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vendor cleanup: remove unused,non-go and test files

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This commit is contained in:
Madhu Rajanna
2019-01-16 00:05:52 +05:30
parent 52cf4aa902
commit b10ba188e7
15421 changed files with 17 additions and 4208853 deletions
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152
vendor/k8s.io/kubernetes/pkg/volume/BUILD generated vendored
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@ -1,152 +0,0 @@
load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
go_library(
name = "go_default_library",
srcs = [
"doc.go",
"metrics_cached.go",
"metrics_du.go",
"metrics_errors.go",
"metrics_nil.go",
"metrics_statfs.go",
"plugins.go",
"volume.go",
] + select({
"@io_bazel_rules_go//go/platform:android": [
"volume_unsupported.go",
],
"@io_bazel_rules_go//go/platform:darwin": [
"volume_unsupported.go",
],
"@io_bazel_rules_go//go/platform:dragonfly": [
"volume_unsupported.go",
],
"@io_bazel_rules_go//go/platform:freebsd": [
"volume_unsupported.go",
],
"@io_bazel_rules_go//go/platform:linux": [
"volume_linux.go",
],
"@io_bazel_rules_go//go/platform:nacl": [
"volume_unsupported.go",
],
"@io_bazel_rules_go//go/platform:netbsd": [
"volume_unsupported.go",
],
"@io_bazel_rules_go//go/platform:openbsd": [
"volume_unsupported.go",
],
"@io_bazel_rules_go//go/platform:plan9": [
"volume_unsupported.go",
],
"@io_bazel_rules_go//go/platform:solaris": [
"volume_unsupported.go",
],
"@io_bazel_rules_go//go/platform:windows": [
"volume_unsupported.go",
],
"//conditions:default": [],
}),
importpath = "k8s.io/kubernetes/pkg/volume",
visibility = ["//visibility:public"],
deps = [
"//pkg/cloudprovider:go_default_library",
"//pkg/util/io:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/volume/util/fs:go_default_library",
"//pkg/volume/util/recyclerclient:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/authentication/v1:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/resource:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/errors:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/validation:go_default_library",
"//vendor/k8s.io/client-go/kubernetes:go_default_library",
"//vendor/k8s.io/client-go/tools/record:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = [
"metrics_nil_test.go",
"plugins_test.go",
],
embed = [":go_default_library"],
deps = [
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
],
)
go_test(
name = "go_default_xtest",
srcs = [
"metrics_statfs_test.go",
] + select({
"@io_bazel_rules_go//go/platform:linux": [
"metrics_du_test.go",
],
"//conditions:default": [],
}),
deps = [
":go_default_library",
"//pkg/volume/testing:go_default_library",
"//vendor/k8s.io/client-go/util/testing:go_default_library",
] + select({
"@io_bazel_rules_go//go/platform:linux": [
"//vendor/golang.org/x/sys/unix:go_default_library",
],
"//conditions:default": [],
}),
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [
":package-srcs",
"//pkg/volume/aws_ebs:all-srcs",
"//pkg/volume/azure_dd:all-srcs",
"//pkg/volume/azure_file:all-srcs",
"//pkg/volume/cephfs:all-srcs",
"//pkg/volume/cinder:all-srcs",
"//pkg/volume/configmap:all-srcs",
"//pkg/volume/csi:all-srcs",
"//pkg/volume/downwardapi:all-srcs",
"//pkg/volume/empty_dir:all-srcs",
"//pkg/volume/fc:all-srcs",
"//pkg/volume/flexvolume:all-srcs",
"//pkg/volume/flocker:all-srcs",
"//pkg/volume/gce_pd:all-srcs",
"//pkg/volume/git_repo:all-srcs",
"//pkg/volume/glusterfs:all-srcs",
"//pkg/volume/host_path:all-srcs",
"//pkg/volume/iscsi:all-srcs",
"//pkg/volume/local:all-srcs",
"//pkg/volume/nfs:all-srcs",
"//pkg/volume/photon_pd:all-srcs",
"//pkg/volume/portworx:all-srcs",
"//pkg/volume/projected:all-srcs",
"//pkg/volume/quobyte:all-srcs",
"//pkg/volume/rbd:all-srcs",
"//pkg/volume/scaleio:all-srcs",
"//pkg/volume/secret:all-srcs",
"//pkg/volume/storageos:all-srcs",
"//pkg/volume/testing:all-srcs",
"//pkg/volume/util:all-srcs",
"//pkg/volume/validation:all-srcs",
"//pkg/volume/vsphere_volume:all-srcs",
],
tags = ["automanaged"],
visibility = ["//visibility:public"],
)

17
vendor/k8s.io/kubernetes/pkg/volume/OWNERS generated vendored
View File

@ -1,17 +0,0 @@
approvers:
- saad-ali
- thockin
- jsafrane
- matchstick
- rootfs
- gnufied
- childsb
reviewers:
- saad-ali
- jsafrane
- rootfs
- jingxu97
- msau42
- gnufied
- verult
- davidz627

71
vendor/k8s.io/kubernetes/pkg/volume/aws_ebs/BUILD generated vendored
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@ -1,71 +0,0 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_library(
name = "go_default_library",
srcs = [
"attacher.go",
"aws_ebs.go",
"aws_ebs_block.go",
"aws_util.go",
"doc.go",
],
importpath = "k8s.io/kubernetes/pkg/volume/aws_ebs",
deps = [
"//pkg/cloudprovider:go_default_library",
"//pkg/cloudprovider/providers/aws:go_default_library",
"//pkg/features:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/util/strings:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/util:go_default_library",
"//pkg/volume/util/volumepathhandler:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/resource:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = [
"attacher_test.go",
"aws_ebs_block_test.go",
"aws_ebs_test.go",
],
embed = [":go_default_library"],
deps = [
"//pkg/cloudprovider/providers/aws:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/testing:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/resource:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/client-go/kubernetes/fake:go_default_library",
"//vendor/k8s.io/client-go/util/testing:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)

13
vendor/k8s.io/kubernetes/pkg/volume/aws_ebs/OWNERS generated vendored
View File

@ -1,13 +0,0 @@
approvers:
- gnufied
- jingxu97
- jsafrane
- justinsb
reviewers:
- chrislovecnm
- gnufied
- jingxu97
- justinsb
- jsafrane
- rootfs
- saad-ali

277
vendor/k8s.io/kubernetes/pkg/volume/aws_ebs/attacher.go generated vendored
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@ -1,277 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package aws_ebs
import (
"fmt"
"os"
"path"
"strconv"
"time"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/cloudprovider/providers/aws"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
volumeutil "k8s.io/kubernetes/pkg/volume/util"
)
type awsElasticBlockStoreAttacher struct {
host volume.VolumeHost
awsVolumes aws.Volumes
}
var _ volume.Attacher = &awsElasticBlockStoreAttacher{}
var _ volume.AttachableVolumePlugin = &awsElasticBlockStorePlugin{}
func (plugin *awsElasticBlockStorePlugin) NewAttacher() (volume.Attacher, error) {
awsCloud, err := getCloudProvider(plugin.host.GetCloudProvider())
if err != nil {
return nil, err
}
return &awsElasticBlockStoreAttacher{
host: plugin.host,
awsVolumes: awsCloud,
}, nil
}
func (plugin *awsElasticBlockStorePlugin) GetDeviceMountRefs(deviceMountPath string) ([]string, error) {
mounter := plugin.host.GetMounter(plugin.GetPluginName())
return mount.GetMountRefs(mounter, deviceMountPath)
}
func (attacher *awsElasticBlockStoreAttacher) Attach(spec *volume.Spec, nodeName types.NodeName) (string, error) {
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
return "", err
}
volumeID := aws.KubernetesVolumeID(volumeSource.VolumeID)
// awsCloud.AttachDisk checks if disk is already attached to node and
// succeeds in that case, so no need to do that separately.
devicePath, err := attacher.awsVolumes.AttachDisk(volumeID, nodeName)
if err != nil {
glog.Errorf("Error attaching volume %q to node %q: %+v", volumeID, nodeName, err)
return "", err
}
return devicePath, nil
}
func (attacher *awsElasticBlockStoreAttacher) VolumesAreAttached(specs []*volume.Spec, nodeName types.NodeName) (map[*volume.Spec]bool, error) {
glog.Warningf("Attacher.VolumesAreAttached called for node %q - Please use BulkVerifyVolumes for AWS", nodeName)
volumeNodeMap := map[types.NodeName][]*volume.Spec{
nodeName: specs,
}
nodeVolumesResult := make(map[*volume.Spec]bool)
nodesVerificationMap, err := attacher.BulkVerifyVolumes(volumeNodeMap)
if err != nil {
glog.Errorf("Attacher.VolumesAreAttached - error checking volumes for node %q with %v", nodeName, err)
return nodeVolumesResult, err
}
if result, ok := nodesVerificationMap[nodeName]; ok {
return result, nil
}
return nodeVolumesResult, nil
}
func (attacher *awsElasticBlockStoreAttacher) BulkVerifyVolumes(volumesByNode map[types.NodeName][]*volume.Spec) (map[types.NodeName]map[*volume.Spec]bool, error) {
volumesAttachedCheck := make(map[types.NodeName]map[*volume.Spec]bool)
diskNamesByNode := make(map[types.NodeName][]aws.KubernetesVolumeID)
volumeSpecMap := make(map[aws.KubernetesVolumeID]*volume.Spec)
for nodeName, volumeSpecs := range volumesByNode {
for _, volumeSpec := range volumeSpecs {
volumeSource, _, err := getVolumeSource(volumeSpec)
if err != nil {
glog.Errorf("Error getting volume (%q) source : %v", volumeSpec.Name(), err)
continue
}
name := aws.KubernetesVolumeID(volumeSource.VolumeID)
diskNamesByNode[nodeName] = append(diskNamesByNode[nodeName], name)
nodeDisk, nodeDiskExists := volumesAttachedCheck[nodeName]
if !nodeDiskExists {
nodeDisk = make(map[*volume.Spec]bool)
}
nodeDisk[volumeSpec] = true
volumeSpecMap[name] = volumeSpec
volumesAttachedCheck[nodeName] = nodeDisk
}
}
attachedResult, err := attacher.awsVolumes.DisksAreAttached(diskNamesByNode)
if err != nil {
glog.Errorf("Error checking if volumes are attached to nodes err = %v", err)
return volumesAttachedCheck, err
}
for nodeName, nodeDisks := range attachedResult {
for diskName, attached := range nodeDisks {
if !attached {
spec := volumeSpecMap[diskName]
setNodeDisk(volumesAttachedCheck, spec, nodeName, false)
}
}
}
return volumesAttachedCheck, nil
}
func (attacher *awsElasticBlockStoreAttacher) WaitForAttach(spec *volume.Spec, devicePath string, _ *v1.Pod, timeout time.Duration) (string, error) {
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
return "", err
}
volumeID := volumeSource.VolumeID
partition := ""
if volumeSource.Partition != 0 {
partition = strconv.Itoa(int(volumeSource.Partition))
}
if devicePath == "" {
return "", fmt.Errorf("WaitForAttach failed for AWS Volume %q: devicePath is empty.", volumeID)
}
ticker := time.NewTicker(checkSleepDuration)
defer ticker.Stop()
timer := time.NewTimer(timeout)
defer timer.Stop()
for {
select {
case <-ticker.C:
glog.V(5).Infof("Checking AWS Volume %q is attached.", volumeID)
devicePaths := getDiskByIdPaths(aws.KubernetesVolumeID(volumeSource.VolumeID), partition, devicePath)
path, err := verifyDevicePath(devicePaths)
if err != nil {
// Log error, if any, and continue checking periodically. See issue #11321
glog.Errorf("Error verifying AWS Volume (%q) is attached: %v", volumeID, err)
} else if path != "" {
// A device path has successfully been created for the PD
glog.Infof("Successfully found attached AWS Volume %q.", volumeID)
return path, nil
}
case <-timer.C:
return "", fmt.Errorf("Could not find attached AWS Volume %q. Timeout waiting for mount paths to be created.", volumeID)
}
}
}
func (attacher *awsElasticBlockStoreAttacher) GetDeviceMountPath(
spec *volume.Spec) (string, error) {
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
return "", err
}
return makeGlobalPDPath(attacher.host, aws.KubernetesVolumeID(volumeSource.VolumeID)), nil
}
// FIXME: this method can be further pruned.
func (attacher *awsElasticBlockStoreAttacher) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string) error {
mounter := attacher.host.GetMounter(awsElasticBlockStorePluginName)
notMnt, err := mounter.IsLikelyNotMountPoint(deviceMountPath)
if err != nil {
if os.IsNotExist(err) {
if err := os.MkdirAll(deviceMountPath, 0750); err != nil {
return err
}
notMnt = true
} else {
return err
}
}
volumeSource, readOnly, err := getVolumeSource(spec)
if err != nil {
return err
}
options := []string{}
if readOnly {
options = append(options, "ro")
}
if notMnt {
diskMounter := volumeutil.NewSafeFormatAndMountFromHost(awsElasticBlockStorePluginName, attacher.host)
mountOptions := volumeutil.MountOptionFromSpec(spec, options...)
err = diskMounter.FormatAndMount(devicePath, deviceMountPath, volumeSource.FSType, mountOptions)
if err != nil {
os.Remove(deviceMountPath)
return err
}
}
return nil
}
type awsElasticBlockStoreDetacher struct {
mounter mount.Interface
awsVolumes aws.Volumes
}
var _ volume.Detacher = &awsElasticBlockStoreDetacher{}
func (plugin *awsElasticBlockStorePlugin) NewDetacher() (volume.Detacher, error) {
awsCloud, err := getCloudProvider(plugin.host.GetCloudProvider())
if err != nil {
return nil, err
}
return &awsElasticBlockStoreDetacher{
mounter: plugin.host.GetMounter(plugin.GetPluginName()),
awsVolumes: awsCloud,
}, nil
}
func (detacher *awsElasticBlockStoreDetacher) Detach(volumeName string, nodeName types.NodeName) error {
volumeID := aws.KubernetesVolumeID(path.Base(volumeName))
if _, err := detacher.awsVolumes.DetachDisk(volumeID, nodeName); err != nil {
glog.Errorf("Error detaching volumeID %q: %v", volumeID, err)
return err
}
return nil
}
func (detacher *awsElasticBlockStoreDetacher) UnmountDevice(deviceMountPath string) error {
return volumeutil.UnmountPath(deviceMountPath, detacher.mounter)
}
func setNodeDisk(
nodeDiskMap map[types.NodeName]map[*volume.Spec]bool,
volumeSpec *volume.Spec,
nodeName types.NodeName,
check bool) {
volumeMap := nodeDiskMap[nodeName]
if volumeMap == nil {
volumeMap = make(map[*volume.Spec]bool)
nodeDiskMap[nodeName] = volumeMap
}
volumeMap[volumeSpec] = check
}

295
vendor/k8s.io/kubernetes/pkg/volume/aws_ebs/attacher_test.go generated vendored
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@ -1,295 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package aws_ebs
import (
"errors"
"testing"
"k8s.io/api/core/v1"
"k8s.io/kubernetes/pkg/cloudprovider/providers/aws"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
"github.com/golang/glog"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/apimachinery/pkg/types"
)
func TestGetVolumeName_Volume(t *testing.T) {
plugin := newPlugin()
name := aws.KubernetesVolumeID("my-aws-volume")
spec := createVolSpec(name, false)
volumeName, err := plugin.GetVolumeName(spec)
if err != nil {
t.Errorf("GetVolumeName error: %v", err)
}
if volumeName != string(name) {
t.Errorf("GetVolumeName error: expected %s, got %s", name, volumeName)
}
}
func TestGetVolumeName_PersistentVolume(t *testing.T) {
plugin := newPlugin()
name := aws.KubernetesVolumeID("my-aws-pv")
spec := createPVSpec(name, true)
volumeName, err := plugin.GetVolumeName(spec)
if err != nil {
t.Errorf("GetVolumeName error: %v", err)
}
if volumeName != string(name) {
t.Errorf("GetVolumeName error: expected %s, got %s", name, volumeName)
}
}
// One testcase for TestAttachDetach table test below
type testcase struct {
name aws.KubernetesVolumeID
// For fake AWS:
attach attachCall
detach detachCall
t *testing.T
// Actual test to run
test func(test *testcase) (string, error)
// Expected return of the test
expectedDevice string
expectedError error
}
func TestAttachDetach(t *testing.T) {
diskName := aws.KubernetesVolumeID("disk")
nodeName := types.NodeName("instance")
spec := createVolSpec(diskName, false)
attachError := errors.New("Fake attach error")
detachError := errors.New("Fake detach error")
tests := []testcase{
// Successful Attach call
{
name: "Attach_Positive",
attach: attachCall{diskName, nodeName, "/dev/sda", nil},
test: func(testcase *testcase) (string, error) {
attacher := newAttacher(testcase)
return attacher.Attach(spec, nodeName)
},
expectedDevice: "/dev/sda",
},
// Attach call fails
{
name: "Attach_Negative",
attach: attachCall{diskName, nodeName, "", attachError},
test: func(testcase *testcase) (string, error) {
attacher := newAttacher(testcase)
return attacher.Attach(spec, nodeName)
},
expectedError: attachError,
},
// Detach succeeds
{
name: "Detach_Positive",
detach: detachCall{diskName, nodeName, "/dev/sda", nil},
test: func(testcase *testcase) (string, error) {
detacher := newDetacher(testcase)
mountPath := "/mnt/" + string(diskName)
return "", detacher.Detach(mountPath, nodeName)
},
},
// Detach fails
{
name: "Detach_Negative",
detach: detachCall{diskName, nodeName, "", detachError},
test: func(testcase *testcase) (string, error) {
detacher := newDetacher(testcase)
mountPath := "/mnt/" + string(diskName)
return "", detacher.Detach(mountPath, nodeName)
},
expectedError: detachError,
},
}
for _, testcase := range tests {
testcase.t = t
device, err := testcase.test(&testcase)
if err != testcase.expectedError {
t.Errorf("%s failed: expected err=%q, got %q", testcase.name, testcase.expectedError.Error(), err.Error())
}
if device != testcase.expectedDevice {
t.Errorf("%s failed: expected device=%q, got %q", testcase.name, testcase.expectedDevice, device)
}
t.Logf("Test %q succeeded", testcase.name)
}
}
// newPlugin creates a new gcePersistentDiskPlugin with fake cloud, NewAttacher
// and NewDetacher won't work.
func newPlugin() *awsElasticBlockStorePlugin {
host := volumetest.NewFakeVolumeHost("/tmp", nil, nil)
plugins := ProbeVolumePlugins()
plugin := plugins[0]
plugin.Init(host)
return plugin.(*awsElasticBlockStorePlugin)
}
func newAttacher(testcase *testcase) *awsElasticBlockStoreAttacher {
return &awsElasticBlockStoreAttacher{
host: nil,
awsVolumes: testcase,
}
}
func newDetacher(testcase *testcase) *awsElasticBlockStoreDetacher {
return &awsElasticBlockStoreDetacher{
awsVolumes: testcase,
}
}
func createVolSpec(name aws.KubernetesVolumeID, readOnly bool) *volume.Spec {
return &volume.Spec{
Volume: &v1.Volume{
VolumeSource: v1.VolumeSource{
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{
VolumeID: string(name),
ReadOnly: readOnly,
},
},
},
}
}
func createPVSpec(name aws.KubernetesVolumeID, readOnly bool) *volume.Spec {
return &volume.Spec{
PersistentVolume: &v1.PersistentVolume{
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{
VolumeID: string(name),
ReadOnly: readOnly,
},
},
},
},
}
}
// Fake AWS implementation
type attachCall struct {
diskName aws.KubernetesVolumeID
nodeName types.NodeName
retDeviceName string
ret error
}
type detachCall struct {
diskName aws.KubernetesVolumeID
nodeName types.NodeName
retDeviceName string
ret error
}
type diskIsAttachedCall struct {
diskName aws.KubernetesVolumeID
nodeName types.NodeName
isAttached bool
ret error
}
func (testcase *testcase) AttachDisk(diskName aws.KubernetesVolumeID, nodeName types.NodeName) (string, error) {
expected := &testcase.attach
if expected.diskName == "" && expected.nodeName == "" {
// testcase.attach looks uninitialized, test did not expect to call
// AttachDisk
testcase.t.Errorf("Unexpected AttachDisk call!")
return "", errors.New("Unexpected AttachDisk call!")
}
if expected.diskName != diskName {
testcase.t.Errorf("Unexpected AttachDisk call: expected diskName %s, got %s", expected.diskName, diskName)
return "", errors.New("Unexpected AttachDisk call: wrong diskName")
}
if expected.nodeName != nodeName {
testcase.t.Errorf("Unexpected AttachDisk call: expected nodeName %s, got %s", expected.nodeName, nodeName)
return "", errors.New("Unexpected AttachDisk call: wrong nodeName")
}
glog.V(4).Infof("AttachDisk call: %s, %s, returning %q, %v", diskName, nodeName, expected.retDeviceName, expected.ret)
return expected.retDeviceName, expected.ret
}
func (testcase *testcase) DetachDisk(diskName aws.KubernetesVolumeID, nodeName types.NodeName) (string, error) {
expected := &testcase.detach
if expected.diskName == "" && expected.nodeName == "" {
// testcase.detach looks uninitialized, test did not expect to call
// DetachDisk
testcase.t.Errorf("Unexpected DetachDisk call!")
return "", errors.New("Unexpected DetachDisk call!")
}
if expected.diskName != diskName {
testcase.t.Errorf("Unexpected DetachDisk call: expected diskName %s, got %s", expected.diskName, diskName)
return "", errors.New("Unexpected DetachDisk call: wrong diskName")
}
if expected.nodeName != nodeName {
testcase.t.Errorf("Unexpected DetachDisk call: expected nodeName %s, got %s", expected.nodeName, nodeName)
return "", errors.New("Unexpected DetachDisk call: wrong nodeName")
}
glog.V(4).Infof("DetachDisk call: %s, %s, returning %q, %v", diskName, nodeName, expected.retDeviceName, expected.ret)
return expected.retDeviceName, expected.ret
}
func (testcase *testcase) DiskIsAttached(diskName aws.KubernetesVolumeID, nodeName types.NodeName) (bool, error) {
// DetachDisk no longer relies on DiskIsAttached api call
return false, nil
}
func (testcase *testcase) DisksAreAttached(nodeDisks map[types.NodeName][]aws.KubernetesVolumeID) (map[types.NodeName]map[aws.KubernetesVolumeID]bool, error) {
return nil, errors.New("Not implemented")
}
func (testcase *testcase) CreateDisk(volumeOptions *aws.VolumeOptions) (volumeName aws.KubernetesVolumeID, err error) {
return "", errors.New("Not implemented")
}
func (testcase *testcase) DeleteDisk(volumeName aws.KubernetesVolumeID) (bool, error) {
return false, errors.New("Not implemented")
}
func (testcase *testcase) GetVolumeLabels(volumeName aws.KubernetesVolumeID) (map[string]string, error) {
return map[string]string{}, errors.New("Not implemented")
}
func (testcase *testcase) GetDiskPath(volumeName aws.KubernetesVolumeID) (string, error) {
return "", errors.New("Not implemented")
}
func (testcase *testcase) ResizeDisk(
volumeName aws.KubernetesVolumeID,
oldSize resource.Quantity,
newSize resource.Quantity) (resource.Quantity, error) {
return oldSize, errors.New("Not implemented")
}

561
vendor/k8s.io/kubernetes/pkg/volume/aws_ebs/aws_ebs.go generated vendored
View File

@ -1,561 +0,0 @@
/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package aws_ebs
import (
"context"
"fmt"
"os"
"path/filepath"
"regexp"
"strconv"
"strings"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/kubernetes/pkg/cloudprovider/providers/aws"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/util/mount"
kstrings "k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
)
// This is the primary entrypoint for volume plugins.
func ProbeVolumePlugins() []volume.VolumePlugin {
return []volume.VolumePlugin{&awsElasticBlockStorePlugin{nil}}
}
type awsElasticBlockStorePlugin struct {
host volume.VolumeHost
}
var _ volume.VolumePlugin = &awsElasticBlockStorePlugin{}
var _ volume.PersistentVolumePlugin = &awsElasticBlockStorePlugin{}
var _ volume.DeletableVolumePlugin = &awsElasticBlockStorePlugin{}
var _ volume.ProvisionableVolumePlugin = &awsElasticBlockStorePlugin{}
const (
awsElasticBlockStorePluginName = "kubernetes.io/aws-ebs"
awsURLNamePrefix = "aws://"
)
func getPath(uid types.UID, volName string, host volume.VolumeHost) string {
return host.GetPodVolumeDir(uid, kstrings.EscapeQualifiedNameForDisk(awsElasticBlockStorePluginName), volName)
}
func (plugin *awsElasticBlockStorePlugin) Init(host volume.VolumeHost) error {
plugin.host = host
return nil
}
func (plugin *awsElasticBlockStorePlugin) GetPluginName() string {
return awsElasticBlockStorePluginName
}
func (plugin *awsElasticBlockStorePlugin) GetVolumeName(spec *volume.Spec) (string, error) {
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
return "", err
}
return volumeSource.VolumeID, nil
}
func (plugin *awsElasticBlockStorePlugin) CanSupport(spec *volume.Spec) bool {
return (spec.PersistentVolume != nil && spec.PersistentVolume.Spec.AWSElasticBlockStore != nil) ||
(spec.Volume != nil && spec.Volume.AWSElasticBlockStore != nil)
}
func (plugin *awsElasticBlockStorePlugin) RequiresRemount() bool {
return false
}
func (plugin *awsElasticBlockStorePlugin) SupportsMountOption() bool {
return true
}
func (plugin *awsElasticBlockStorePlugin) SupportsBulkVolumeVerification() bool {
return true
}
func (plugin *awsElasticBlockStorePlugin) GetVolumeLimits() (map[string]int64, error) {
volumeLimits := map[string]int64{
util.EBSVolumeLimitKey: 39,
}
cloud := plugin.host.GetCloudProvider()
// if we can't fetch cloudprovider we return an error
// hoping external CCM or admin can set it. Returning
// default values from here will mean, no one can
// override them.
if cloud == nil {
return nil, fmt.Errorf("No cloudprovider present")
}
if cloud.ProviderName() != aws.ProviderName {
return nil, fmt.Errorf("Expected aws cloud, found %s", cloud.ProviderName())
}
instances, ok := cloud.Instances()
if !ok {
glog.V(3).Infof("Failed to get instances from cloud provider")
return volumeLimits, nil
}
instanceType, err := instances.InstanceType(context.TODO(), plugin.host.GetNodeName())
if err != nil {
glog.Errorf("Failed to get instance type from AWS cloud provider")
return volumeLimits, nil
}
if ok, _ := regexp.MatchString("^[cm]5.*", instanceType); ok {
volumeLimits[util.EBSVolumeLimitKey] = 25
}
return volumeLimits, nil
}
func (plugin *awsElasticBlockStorePlugin) VolumeLimitKey(spec *volume.Spec) string {
return util.EBSVolumeLimitKey
}
func (plugin *awsElasticBlockStorePlugin) GetAccessModes() []v1.PersistentVolumeAccessMode {
return []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
}
}
func (plugin *awsElasticBlockStorePlugin) NewMounter(spec *volume.Spec, pod *v1.Pod, _ volume.VolumeOptions) (volume.Mounter, error) {
// Inject real implementations here, test through the internal function.
return plugin.newMounterInternal(spec, pod.UID, &AWSDiskUtil{}, plugin.host.GetMounter(plugin.GetPluginName()))
}
func (plugin *awsElasticBlockStorePlugin) newMounterInternal(spec *volume.Spec, podUID types.UID, manager ebsManager, mounter mount.Interface) (volume.Mounter, error) {
// EBSs used directly in a pod have a ReadOnly flag set by the pod author.
// EBSs used as a PersistentVolume gets the ReadOnly flag indirectly through the persistent-claim volume used to mount the PV
ebs, readOnly, err := getVolumeSource(spec)
if err != nil {
return nil, err
}
volumeID := aws.KubernetesVolumeID(ebs.VolumeID)
fsType := ebs.FSType
partition := ""
if ebs.Partition != 0 {
partition = strconv.Itoa(int(ebs.Partition))
}
return &awsElasticBlockStoreMounter{
awsElasticBlockStore: &awsElasticBlockStore{
podUID: podUID,
volName: spec.Name(),
volumeID: volumeID,
partition: partition,
manager: manager,
mounter: mounter,
plugin: plugin,
MetricsProvider: volume.NewMetricsStatFS(getPath(podUID, spec.Name(), plugin.host)),
},
fsType: fsType,
readOnly: readOnly,
diskMounter: util.NewSafeFormatAndMountFromHost(plugin.GetPluginName(), plugin.host)}, nil
}
func (plugin *awsElasticBlockStorePlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
// Inject real implementations here, test through the internal function.
return plugin.newUnmounterInternal(volName, podUID, &AWSDiskUtil{}, plugin.host.GetMounter(plugin.GetPluginName()))
}
func (plugin *awsElasticBlockStorePlugin) newUnmounterInternal(volName string, podUID types.UID, manager ebsManager, mounter mount.Interface) (volume.Unmounter, error) {
return &awsElasticBlockStoreUnmounter{&awsElasticBlockStore{
podUID: podUID,
volName: volName,
manager: manager,
mounter: mounter,
plugin: plugin,
MetricsProvider: volume.NewMetricsStatFS(getPath(podUID, volName, plugin.host)),
}}, nil
}
func (plugin *awsElasticBlockStorePlugin) NewDeleter(spec *volume.Spec) (volume.Deleter, error) {
return plugin.newDeleterInternal(spec, &AWSDiskUtil{})
}
func (plugin *awsElasticBlockStorePlugin) newDeleterInternal(spec *volume.Spec, manager ebsManager) (volume.Deleter, error) {
if spec.PersistentVolume != nil && spec.PersistentVolume.Spec.AWSElasticBlockStore == nil {
glog.Errorf("spec.PersistentVolumeSource.AWSElasticBlockStore is nil")
return nil, fmt.Errorf("spec.PersistentVolumeSource.AWSElasticBlockStore is nil")
}
return &awsElasticBlockStoreDeleter{
awsElasticBlockStore: &awsElasticBlockStore{
volName: spec.Name(),
volumeID: aws.KubernetesVolumeID(spec.PersistentVolume.Spec.AWSElasticBlockStore.VolumeID),
manager: manager,
plugin: plugin,
}}, nil
}
func (plugin *awsElasticBlockStorePlugin) NewProvisioner(options volume.VolumeOptions) (volume.Provisioner, error) {
return plugin.newProvisionerInternal(options, &AWSDiskUtil{})
}
func (plugin *awsElasticBlockStorePlugin) newProvisionerInternal(options volume.VolumeOptions, manager ebsManager) (volume.Provisioner, error) {
return &awsElasticBlockStoreProvisioner{
awsElasticBlockStore: &awsElasticBlockStore{
manager: manager,
plugin: plugin,
},
options: options,
}, nil
}
func getVolumeSource(
spec *volume.Spec) (*v1.AWSElasticBlockStoreVolumeSource, bool, error) {
if spec.Volume != nil && spec.Volume.AWSElasticBlockStore != nil {
return spec.Volume.AWSElasticBlockStore, spec.Volume.AWSElasticBlockStore.ReadOnly, nil
} else if spec.PersistentVolume != nil &&
spec.PersistentVolume.Spec.AWSElasticBlockStore != nil {
return spec.PersistentVolume.Spec.AWSElasticBlockStore, spec.ReadOnly, nil
}
return nil, false, fmt.Errorf("Spec does not reference an AWS EBS volume type")
}
func (plugin *awsElasticBlockStorePlugin) ConstructVolumeSpec(volName, mountPath string) (*volume.Spec, error) {
mounter := plugin.host.GetMounter(plugin.GetPluginName())
pluginDir := plugin.host.GetPluginDir(plugin.GetPluginName())
volumeID, err := mounter.GetDeviceNameFromMount(mountPath, pluginDir)
if err != nil {
return nil, err
}
// This is a workaround to fix the issue in converting aws volume id from globalPDPath
// There are three aws volume id formats and their volumeID from GetDeviceNameFromMount() are:
// aws:///vol-1234 (aws/vol-1234)
// aws://us-east-1/vol-1234 (aws/us-east-1/vol-1234)
// vol-1234 (vol-1234)
// This code is for converting volume id to aws style volume id for the first two cases.
sourceName := volumeID
if strings.HasPrefix(volumeID, "aws/") {
names := strings.Split(volumeID, "/")
length := len(names)
if length < 2 || length > 3 {
return nil, fmt.Errorf("Failed to get AWS volume id from mount path %q: invalid volume name format %q", mountPath, volumeID)
}
volName := names[length-1]
if !strings.HasPrefix(volName, "vol-") {
return nil, fmt.Errorf("Invalid volume name format for AWS volume (%q) retrieved from mount path %q", volName, mountPath)
}
if length == 2 {
sourceName = awsURLNamePrefix + "" + "/" + volName // empty zone label
}
if length == 3 {
sourceName = awsURLNamePrefix + names[1] + "/" + volName // names[1] is the zone label
}
glog.V(4).Infof("Convert aws volume name from %q to %q ", volumeID, sourceName)
}
awsVolume := &v1.Volume{
Name: volName,
VolumeSource: v1.VolumeSource{
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{
VolumeID: sourceName,
},
},
}
return volume.NewSpecFromVolume(awsVolume), nil
}
func (plugin *awsElasticBlockStorePlugin) RequiresFSResize() bool {
return true
}
func (plugin *awsElasticBlockStorePlugin) ExpandVolumeDevice(
spec *volume.Spec,
newSize resource.Quantity,
oldSize resource.Quantity) (resource.Quantity, error) {
var awsVolume aws.Volumes
awsVolume, err := getCloudProvider(plugin.host.GetCloudProvider())
if err != nil {
return oldSize, err
}
// we don't expect to receive this call for non PVs
rawVolumeName := spec.PersistentVolume.Spec.AWSElasticBlockStore.VolumeID
volumeID := aws.KubernetesVolumeID(rawVolumeName)
if volumeID == "" {
return oldSize, fmt.Errorf("EBS.ExpandVolumeDevice Invalid volume id for %s", spec.Name())
}
return awsVolume.ResizeDisk(volumeID, oldSize, newSize)
}
var _ volume.ExpandableVolumePlugin = &awsElasticBlockStorePlugin{}
var _ volume.VolumePluginWithAttachLimits = &awsElasticBlockStorePlugin{}
// Abstract interface to PD operations.
type ebsManager interface {
CreateVolume(provisioner *awsElasticBlockStoreProvisioner) (volumeID aws.KubernetesVolumeID, volumeSizeGB int, labels map[string]string, fstype string, err error)
// Deletes a volume
DeleteVolume(deleter *awsElasticBlockStoreDeleter) error
}
// awsElasticBlockStore volumes are disk resources provided by Amazon Web Services
// that are attached to the kubelet's host machine and exposed to the pod.
type awsElasticBlockStore struct {
volName string
podUID types.UID
// Unique id of the PD, used to find the disk resource in the provider.
volumeID aws.KubernetesVolumeID
// Specifies the partition to mount
partition string
// Utility interface that provides API calls to the provider to attach/detach disks.
manager ebsManager
// Mounter interface that provides system calls to mount the global path to the pod local path.
mounter mount.Interface
plugin *awsElasticBlockStorePlugin
volume.MetricsProvider
}
type awsElasticBlockStoreMounter struct {
*awsElasticBlockStore
// Filesystem type, optional.
fsType string
// Specifies whether the disk will be attached as read-only.
readOnly bool
// diskMounter provides the interface that is used to mount the actual block device.
diskMounter *mount.SafeFormatAndMount
}
var _ volume.Mounter = &awsElasticBlockStoreMounter{}
func (b *awsElasticBlockStoreMounter) GetAttributes() volume.Attributes {
return volume.Attributes{
ReadOnly: b.readOnly,
Managed: !b.readOnly,
SupportsSELinux: true,
}
}
// Checks prior to mount operations to verify that the required components (binaries, etc.)
// to mount the volume are available on the underlying node.
// If not, it returns an error
func (b *awsElasticBlockStoreMounter) CanMount() error {
return nil
}
// SetUp attaches the disk and bind mounts to the volume path.
func (b *awsElasticBlockStoreMounter) SetUp(fsGroup *int64) error {
return b.SetUpAt(b.GetPath(), fsGroup)
}
// SetUpAt attaches the disk and bind mounts to the volume path.
func (b *awsElasticBlockStoreMounter) SetUpAt(dir string, fsGroup *int64) error {
// TODO: handle failed mounts here.
notMnt, err := b.mounter.IsLikelyNotMountPoint(dir)
glog.V(4).Infof("PersistentDisk set up: %s %v %v", dir, !notMnt, err)
if err != nil && !os.IsNotExist(err) {
glog.Errorf("cannot validate mount point: %s %v", dir, err)
return err
}
if !notMnt {
return nil
}
globalPDPath := makeGlobalPDPath(b.plugin.host, b.volumeID)
if err := os.MkdirAll(dir, 0750); err != nil {
return err
}
// Perform a bind mount to the full path to allow duplicate mounts of the same PD.
options := []string{"bind"}
if b.readOnly {
options = append(options, "ro")
}
err = b.mounter.Mount(globalPDPath, dir, "", options)
if err != nil {
notMnt, mntErr := b.mounter.IsLikelyNotMountPoint(dir)
if mntErr != nil {
glog.Errorf("IsLikelyNotMountPoint check failed for %s: %v", dir, mntErr)
return err
}
if !notMnt {
if mntErr = b.mounter.Unmount(dir); mntErr != nil {
glog.Errorf("failed to unmount %s: %v", dir, mntErr)
return err
}
notMnt, mntErr := b.mounter.IsLikelyNotMountPoint(dir)
if mntErr != nil {
glog.Errorf("IsLikelyNotMountPoint check failed for %s: %v", dir, mntErr)
return err
}
if !notMnt {
// This is very odd, we don't expect it. We'll try again next sync loop.
glog.Errorf("%s is still mounted, despite call to unmount(). Will try again next sync loop.", dir)
return err
}
}
os.Remove(dir)
glog.Errorf("Mount of disk %s failed: %v", dir, err)
return err
}
if !b.readOnly {
volume.SetVolumeOwnership(b, fsGroup)
}
glog.V(4).Infof("Successfully mounted %s", dir)
return nil
}
func makeGlobalPDPath(host volume.VolumeHost, volumeID aws.KubernetesVolumeID) string {
// Clean up the URI to be more fs-friendly
name := string(volumeID)
name = strings.Replace(name, "://", "/", -1)
return filepath.Join(host.GetPluginDir(awsElasticBlockStorePluginName), mount.MountsInGlobalPDPath, name)
}
// Reverses the mapping done in makeGlobalPDPath
func getVolumeIDFromGlobalMount(host volume.VolumeHost, globalPath string) (string, error) {
basePath := filepath.Join(host.GetPluginDir(awsElasticBlockStorePluginName), mount.MountsInGlobalPDPath)
rel, err := filepath.Rel(basePath, globalPath)
if err != nil {
glog.Errorf("Failed to get volume id from global mount %s - %v", globalPath, err)
return "", err
}
if strings.Contains(rel, "../") {
glog.Errorf("Unexpected mount path: %s", globalPath)
return "", fmt.Errorf("unexpected mount path: " + globalPath)
}
// Reverse the :// replacement done in makeGlobalPDPath
volumeID := rel
if strings.HasPrefix(volumeID, "aws/") {
volumeID = strings.Replace(volumeID, "aws/", "aws://", 1)
}
glog.V(2).Info("Mapping mount dir ", globalPath, " to volumeID ", volumeID)
return volumeID, nil
}
func (ebs *awsElasticBlockStore) GetPath() string {
return getPath(ebs.podUID, ebs.volName, ebs.plugin.host)
}
type awsElasticBlockStoreUnmounter struct {
*awsElasticBlockStore
}
var _ volume.Unmounter = &awsElasticBlockStoreUnmounter{}
// Unmounts the bind mount, and detaches the disk only if the PD
// resource was the last reference to that disk on the kubelet.
func (c *awsElasticBlockStoreUnmounter) TearDown() error {
return c.TearDownAt(c.GetPath())
}
// Unmounts the bind mount
func (c *awsElasticBlockStoreUnmounter) TearDownAt(dir string) error {
return util.UnmountPath(dir, c.mounter)
}
type awsElasticBlockStoreDeleter struct {
*awsElasticBlockStore
}
var _ volume.Deleter = &awsElasticBlockStoreDeleter{}
func (d *awsElasticBlockStoreDeleter) GetPath() string {
return getPath(d.podUID, d.volName, d.plugin.host)
}
func (d *awsElasticBlockStoreDeleter) Delete() error {
return d.manager.DeleteVolume(d)
}
type awsElasticBlockStoreProvisioner struct {
*awsElasticBlockStore
options volume.VolumeOptions
namespace string
}
var _ volume.Provisioner = &awsElasticBlockStoreProvisioner{}
func (c *awsElasticBlockStoreProvisioner) Provision(selectedNode *v1.Node, allowedTopologies []v1.TopologySelectorTerm) (*v1.PersistentVolume, error) {
if !util.AccessModesContainedInAll(c.plugin.GetAccessModes(), c.options.PVC.Spec.AccessModes) {
return nil, fmt.Errorf("invalid AccessModes %v: only AccessModes %v are supported", c.options.PVC.Spec.AccessModes, c.plugin.GetAccessModes())
}
volumeID, sizeGB, labels, fstype, err := c.manager.CreateVolume(c)
if err != nil {
glog.Errorf("Provision failed: %v", err)
return nil, err
}
if fstype == "" {
fstype = "ext4"
}
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: c.options.PVName,
Labels: map[string]string{},
Annotations: map[string]string{
util.VolumeDynamicallyCreatedByKey: "aws-ebs-dynamic-provisioner",
},
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeReclaimPolicy: c.options.PersistentVolumeReclaimPolicy,
AccessModes: c.options.PVC.Spec.AccessModes,
Capacity: v1.ResourceList{
v1.ResourceName(v1.ResourceStorage): resource.MustParse(fmt.Sprintf("%dGi", sizeGB)),
},
PersistentVolumeSource: v1.PersistentVolumeSource{
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{
VolumeID: string(volumeID),
FSType: fstype,
Partition: 0,
ReadOnly: false,
},
},
MountOptions: c.options.MountOptions,
},
}
if len(c.options.PVC.Spec.AccessModes) == 0 {
pv.Spec.AccessModes = c.plugin.GetAccessModes()
}
if len(labels) != 0 {
if pv.Labels == nil {
pv.Labels = make(map[string]string)
}
for k, v := range labels {
pv.Labels[k] = v
}
}
if utilfeature.DefaultFeatureGate.Enabled(features.BlockVolume) {
pv.Spec.VolumeMode = c.options.PVC.Spec.VolumeMode
}
return pv, nil
}

179
vendor/k8s.io/kubernetes/pkg/volume/aws_ebs/aws_ebs_block.go generated vendored
View File

@ -1,179 +0,0 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package aws_ebs
import (
"fmt"
"path/filepath"
"strconv"
"strings"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/cloudprovider/providers/aws"
"k8s.io/kubernetes/pkg/util/mount"
kstrings "k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
"k8s.io/kubernetes/pkg/volume/util/volumepathhandler"
)
var _ volume.VolumePlugin = &awsElasticBlockStorePlugin{}
var _ volume.PersistentVolumePlugin = &awsElasticBlockStorePlugin{}
var _ volume.BlockVolumePlugin = &awsElasticBlockStorePlugin{}
var _ volume.DeletableVolumePlugin = &awsElasticBlockStorePlugin{}
var _ volume.ProvisionableVolumePlugin = &awsElasticBlockStorePlugin{}
func (plugin *awsElasticBlockStorePlugin) ConstructBlockVolumeSpec(podUID types.UID, volumeName, mapPath string) (*volume.Spec, error) {
pluginDir := plugin.host.GetVolumeDevicePluginDir(awsElasticBlockStorePluginName)
blkutil := volumepathhandler.NewBlockVolumePathHandler()
globalMapPathUUID, err := blkutil.FindGlobalMapPathUUIDFromPod(pluginDir, mapPath, podUID)
if err != nil {
return nil, err
}
glog.V(5).Infof("globalMapPathUUID: %s", globalMapPathUUID)
globalMapPath := filepath.Dir(globalMapPathUUID)
if len(globalMapPath) <= 1 {
return nil, fmt.Errorf("failed to get volume plugin information from globalMapPathUUID: %v", globalMapPathUUID)
}
return getVolumeSpecFromGlobalMapPath(globalMapPath)
}
func getVolumeSpecFromGlobalMapPath(globalMapPath string) (*volume.Spec, error) {
// Get volume spec information from globalMapPath
// globalMapPath example:
// plugins/kubernetes.io/{PluginName}/{DefaultKubeletVolumeDevicesDirName}/{volumeID}
// plugins/kubernetes.io/aws-ebs/volumeDevices/vol-XXXXXX
vID := filepath.Base(globalMapPath)
if len(vID) <= 1 {
return nil, fmt.Errorf("failed to get volumeID from global path=%s", globalMapPath)
}
if !strings.Contains(vID, "vol-") {
return nil, fmt.Errorf("failed to get volumeID from global path=%s, invalid volumeID format = %s", globalMapPath, vID)
}
block := v1.PersistentVolumeBlock
awsVolume := &v1.PersistentVolume{
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{
VolumeID: vID,
},
},
VolumeMode: &block,
},
}
return volume.NewSpecFromPersistentVolume(awsVolume, true), nil
}
// NewBlockVolumeMapper creates a new volume.BlockVolumeMapper from an API specification.
func (plugin *awsElasticBlockStorePlugin) NewBlockVolumeMapper(spec *volume.Spec, pod *v1.Pod, _ volume.VolumeOptions) (volume.BlockVolumeMapper, error) {
// If this is called via GenerateUnmapDeviceFunc(), pod is nil.
// Pass empty string as dummy uid since uid isn't used in the case.
var uid types.UID
if pod != nil {
uid = pod.UID
}
return plugin.newBlockVolumeMapperInternal(spec, uid, &AWSDiskUtil{}, plugin.host.GetMounter(plugin.GetPluginName()))
}
func (plugin *awsElasticBlockStorePlugin) newBlockVolumeMapperInternal(spec *volume.Spec, podUID types.UID, manager ebsManager, mounter mount.Interface) (volume.BlockVolumeMapper, error) {
ebs, readOnly, err := getVolumeSource(spec)
if err != nil {
return nil, err
}
volumeID := aws.KubernetesVolumeID(ebs.VolumeID)
partition := ""
if ebs.Partition != 0 {
partition = strconv.Itoa(int(ebs.Partition))
}
return &awsElasticBlockStoreMapper{
awsElasticBlockStore: &awsElasticBlockStore{
podUID: podUID,
volName: spec.Name(),
volumeID: volumeID,
partition: partition,
manager: manager,
mounter: mounter,
plugin: plugin,
},
readOnly: readOnly}, nil
}
func (plugin *awsElasticBlockStorePlugin) NewBlockVolumeUnmapper(volName string, podUID types.UID) (volume.BlockVolumeUnmapper, error) {
return plugin.newUnmapperInternal(volName, podUID, &AWSDiskUtil{}, plugin.host.GetMounter(plugin.GetPluginName()))
}
func (plugin *awsElasticBlockStorePlugin) newUnmapperInternal(volName string, podUID types.UID, manager ebsManager, mounter mount.Interface) (volume.BlockVolumeUnmapper, error) {
return &awsElasticBlockStoreUnmapper{
awsElasticBlockStore: &awsElasticBlockStore{
podUID: podUID,
volName: volName,
manager: manager,
mounter: mounter,
plugin: plugin,
}}, nil
}
func (c *awsElasticBlockStoreUnmapper) TearDownDevice(mapPath, devicePath string) error {
return nil
}
type awsElasticBlockStoreUnmapper struct {
*awsElasticBlockStore
}
var _ volume.BlockVolumeUnmapper = &awsElasticBlockStoreUnmapper{}
type awsElasticBlockStoreMapper struct {
*awsElasticBlockStore
readOnly bool
}
var _ volume.BlockVolumeMapper = &awsElasticBlockStoreMapper{}
func (b *awsElasticBlockStoreMapper) SetUpDevice() (string, error) {
return "", nil
}
func (b *awsElasticBlockStoreMapper) MapDevice(devicePath, globalMapPath, volumeMapPath, volumeMapName string, podUID types.UID) error {
return util.MapBlockVolume(devicePath, globalMapPath, volumeMapPath, volumeMapName, podUID)
}
// GetGlobalMapPath returns global map path and error
// path: plugins/kubernetes.io/{PluginName}/volumeDevices/volumeID
// plugins/kubernetes.io/aws-ebs/volumeDevices/vol-XXXXXX
func (ebs *awsElasticBlockStore) GetGlobalMapPath(spec *volume.Spec) (string, error) {
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
return "", err
}
return filepath.Join(ebs.plugin.host.GetVolumeDevicePluginDir(awsElasticBlockStorePluginName), string(volumeSource.VolumeID)), nil
}
// GetPodDeviceMapPath returns pod device map path and volume name
// path: pods/{podUid}/volumeDevices/kubernetes.io~aws
func (ebs *awsElasticBlockStore) GetPodDeviceMapPath() (string, string) {
name := awsElasticBlockStorePluginName
return ebs.plugin.host.GetPodVolumeDeviceDir(ebs.podUID, kstrings.EscapeQualifiedNameForDisk(name)), ebs.volName
}

145
vendor/k8s.io/kubernetes/pkg/volume/aws_ebs/aws_ebs_block_test.go generated vendored
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@ -1,145 +0,0 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package aws_ebs
import (
"os"
"path/filepath"
"testing"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
const (
testVolName = "vol-1234"
testPVName = "pv1"
testGlobalPath = "plugins/kubernetes.io/aws-ebs/volumeDevices/vol-1234"
testPodPath = "pods/poduid/volumeDevices/kubernetes.io~aws-ebs"
)
func TestGetVolumeSpecFromGlobalMapPath(t *testing.T) {
// make our test path for fake GlobalMapPath
// /tmp symbolized our pluginDir
// /tmp/testGlobalPathXXXXX/plugins/kubernetes.io/gce-pd/volumeDevices/pdVol1
tmpVDir, err := utiltesting.MkTmpdir("awsBlockTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
//deferred clean up
defer os.RemoveAll(tmpVDir)
expectedGlobalPath := filepath.Join(tmpVDir, testGlobalPath)
//Bad Path
badspec, err := getVolumeSpecFromGlobalMapPath("")
if badspec != nil || err == nil {
t.Fatalf("Expected not to get spec from GlobalMapPath but did")
}
// Good Path
spec, err := getVolumeSpecFromGlobalMapPath(expectedGlobalPath)
if spec == nil || err != nil {
t.Fatalf("Failed to get spec from GlobalMapPath: %v", err)
}
if spec.PersistentVolume.Spec.AWSElasticBlockStore.VolumeID != testVolName {
t.Errorf("Invalid volumeID from GlobalMapPath spec: %s", spec.PersistentVolume.Spec.AWSElasticBlockStore.VolumeID)
}
block := v1.PersistentVolumeBlock
specMode := spec.PersistentVolume.Spec.VolumeMode
if &specMode == nil {
t.Errorf("Invalid volumeMode from GlobalMapPath spec: %v - %v", &specMode, block)
}
if *specMode != block {
t.Errorf("Invalid volumeMode from GlobalMapPath spec: %v - %v", *specMode, block)
}
}
func getTestVolume(readOnly bool, isBlock bool) *volume.Spec {
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: testPVName,
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{
VolumeID: testVolName,
},
},
},
}
if isBlock {
blockMode := v1.PersistentVolumeBlock
pv.Spec.VolumeMode = &blockMode
}
return volume.NewSpecFromPersistentVolume(pv, readOnly)
}
func TestGetPodAndPluginMapPaths(t *testing.T) {
tmpVDir, err := utiltesting.MkTmpdir("awsBlockTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
//deferred clean up
defer os.RemoveAll(tmpVDir)
expectedGlobalPath := filepath.Join(tmpVDir, testGlobalPath)
expectedPodPath := filepath.Join(tmpVDir, testPodPath)
spec := getTestVolume(false, true /*isBlock*/)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpVDir, nil, nil))
plug, err := plugMgr.FindMapperPluginByName(awsElasticBlockStorePluginName)
if err != nil {
os.RemoveAll(tmpVDir)
t.Fatalf("Can't find the plugin by name: %q", awsElasticBlockStorePluginName)
}
if plug.GetPluginName() != awsElasticBlockStorePluginName {
t.Fatalf("Wrong name: %s", plug.GetPluginName())
}
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
mapper, err := plug.NewBlockVolumeMapper(spec, pod, volume.VolumeOptions{})
if err != nil {
t.Fatalf("Failed to make a new Mounter: %v", err)
}
if mapper == nil {
t.Fatalf("Got a nil Mounter")
}
//GetGlobalMapPath
gMapPath, err := mapper.GetGlobalMapPath(spec)
if err != nil || len(gMapPath) == 0 {
t.Fatalf("Invalid path from GlobalMapPath spec: %s", spec.PersistentVolume.Spec.GCEPersistentDisk.PDName)
}
if gMapPath != expectedGlobalPath {
t.Fatalf("Failed to get GlobalMapPath: %s %s", gMapPath, expectedGlobalPath)
}
//GetPodDeviceMapPath
gDevicePath, gVolName := mapper.GetPodDeviceMapPath()
if gDevicePath != expectedPodPath {
t.Errorf("Got unexpected pod path: %s, expected %s", gDevicePath, expectedPodPath)
}
if gVolName != testPVName {
t.Errorf("Got unexpected volNamne: %s, expected %s", gVolName, testPVName)
}
}

295
vendor/k8s.io/kubernetes/pkg/volume/aws_ebs/aws_ebs_test.go generated vendored
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@ -1,295 +0,0 @@
/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package aws_ebs
import (
"fmt"
"os"
"path/filepath"
"testing"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/kubernetes/fake"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/cloudprovider/providers/aws"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
func TestCanSupport(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("awsebsTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/aws-ebs")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plug.GetPluginName() != "kubernetes.io/aws-ebs" {
t.Errorf("Wrong name: %s", plug.GetPluginName())
}
if !plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{}}}}) {
t.Errorf("Expected true")
}
if !plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{PersistentVolumeSource: v1.PersistentVolumeSource{AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{}}}}}) {
t.Errorf("Expected true")
}
}
func TestGetAccessModes(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("awsebsTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPersistentPluginByName("kubernetes.io/aws-ebs")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if !volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadWriteOnce) {
t.Errorf("Expected to support AccessModeTypes: %s", v1.ReadWriteOnce)
}
if volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadOnlyMany) {
t.Errorf("Expected not to support AccessModeTypes: %s", v1.ReadOnlyMany)
}
}
type fakePDManager struct {
}
// TODO(jonesdl) To fully test this, we could create a loopback device
// and mount that instead.
func (fake *fakePDManager) CreateVolume(c *awsElasticBlockStoreProvisioner) (volumeID aws.KubernetesVolumeID, volumeSizeGB int, labels map[string]string, fstype string, err error) {
labels = make(map[string]string)
labels["fakepdmanager"] = "yes"
return "test-aws-volume-name", 100, labels, "", nil
}
func (fake *fakePDManager) DeleteVolume(cd *awsElasticBlockStoreDeleter) error {
if cd.volumeID != "test-aws-volume-name" {
return fmt.Errorf("Deleter got unexpected volume name: %s", cd.volumeID)
}
return nil
}
func TestPlugin(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("awsebsTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/aws-ebs")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
spec := &v1.Volume{
Name: "vol1",
VolumeSource: v1.VolumeSource{
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{
VolumeID: "pd",
FSType: "ext4",
},
},
}
fakeManager := &fakePDManager{}
fakeMounter := &mount.FakeMounter{}
mounter, err := plug.(*awsElasticBlockStorePlugin).newMounterInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), fakeManager, fakeMounter)
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Errorf("Got a nil Mounter")
}
volPath := filepath.Join(tmpDir, "pods/poduid/volumes/kubernetes.io~aws-ebs/vol1")
path := mounter.GetPath()
if path != volPath {
t.Errorf("Got unexpected path: %s", path)
}
if err := mounter.SetUp(nil); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", path)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
fakeManager = &fakePDManager{}
unmounter, err := plug.(*awsElasticBlockStorePlugin).newUnmounterInternal("vol1", types.UID("poduid"), fakeManager, fakeMounter)
if err != nil {
t.Errorf("Failed to make a new Unmounter: %v", err)
}
if unmounter == nil {
t.Errorf("Got a nil Unmounter")
}
if err := unmounter.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err == nil {
t.Errorf("TearDown() failed, volume path still exists: %s", path)
} else if !os.IsNotExist(err) {
t.Errorf("TearDown() failed: %v", err)
}
// Test Provisioner
options := volume.VolumeOptions{
PVC: volumetest.CreateTestPVC("100Mi", []v1.PersistentVolumeAccessMode{v1.ReadWriteOnce}),
PersistentVolumeReclaimPolicy: v1.PersistentVolumeReclaimDelete,
}
provisioner, err := plug.(*awsElasticBlockStorePlugin).newProvisionerInternal(options, &fakePDManager{})
if err != nil {
t.Errorf("Error creating new provisioner:%v", err)
}
persistentSpec, err := provisioner.Provision(nil, nil)
if err != nil {
t.Errorf("Provision() failed: %v", err)
}
if persistentSpec.Spec.PersistentVolumeSource.AWSElasticBlockStore.VolumeID != "test-aws-volume-name" {
t.Errorf("Provision() returned unexpected volume ID: %s", persistentSpec.Spec.PersistentVolumeSource.AWSElasticBlockStore.VolumeID)
}
cap := persistentSpec.Spec.Capacity[v1.ResourceStorage]
size := cap.Value()
if size != 100*1024*1024*1024 {
t.Errorf("Provision() returned unexpected volume size: %v", size)
}
if persistentSpec.Labels["fakepdmanager"] != "yes" {
t.Errorf("Provision() returned unexpected labels: %v", persistentSpec.Labels)
}
// Test Deleter
volSpec := &volume.Spec{
PersistentVolume: persistentSpec,
}
deleter, err := plug.(*awsElasticBlockStorePlugin).newDeleterInternal(volSpec, &fakePDManager{})
if err != nil {
t.Errorf("Error creating new deleter:%v", err)
}
err = deleter.Delete()
if err != nil {
t.Errorf("Deleter() failed: %v", err)
}
}
func TestPersistentClaimReadOnlyFlag(t *testing.T) {
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: "pvA",
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{},
},
ClaimRef: &v1.ObjectReference{
Name: "claimA",
},
},
}
claim := &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: "claimA",
Namespace: "nsA",
},
Spec: v1.PersistentVolumeClaimSpec{
VolumeName: "pvA",
},
Status: v1.PersistentVolumeClaimStatus{
Phase: v1.ClaimBound,
},
}
clientset := fake.NewSimpleClientset(pv, claim)
tmpDir, err := utiltesting.MkTmpdir("awsebsTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, clientset, nil))
plug, _ := plugMgr.FindPluginByName(awsElasticBlockStorePluginName)
// readOnly bool is supplied by persistent-claim volume source when its mounter creates other volumes
spec := volume.NewSpecFromPersistentVolume(pv, true)
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
mounter, _ := plug.NewMounter(spec, pod, volume.VolumeOptions{})
if !mounter.GetAttributes().ReadOnly {
t.Errorf("Expected true for mounter.IsReadOnly")
}
}
func TestMounterAndUnmounterTypeAssert(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("awsebsTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/aws-ebs")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
spec := &v1.Volume{
Name: "vol1",
VolumeSource: v1.VolumeSource{
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{
VolumeID: "pd",
FSType: "ext4",
},
},
}
mounter, err := plug.(*awsElasticBlockStorePlugin).newMounterInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), &fakePDManager{}, &mount.FakeMounter{})
if err != nil {
t.Errorf("Error creating new mounter:%v", err)
}
if _, ok := mounter.(volume.Unmounter); ok {
t.Errorf("Volume Mounter can be type-assert to Unmounter")
}
unmounter, err := plug.(*awsElasticBlockStorePlugin).newUnmounterInternal("vol1", types.UID("poduid"), &fakePDManager{}, &mount.FakeMounter{})
if err != nil {
t.Errorf("Error creating new unmounter:%v", err)
}
if _, ok := unmounter.(volume.Mounter); ok {
t.Errorf("Volume Unmounter can be type-assert to Mounter")
}
}

255
vendor/k8s.io/kubernetes/pkg/volume/aws_ebs/aws_util.go generated vendored
View File

@ -1,255 +0,0 @@
/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package aws_ebs
import (
"fmt"
"os"
"path/filepath"
"strconv"
"strings"
"time"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/kubernetes/pkg/cloudprovider"
"k8s.io/kubernetes/pkg/cloudprovider/providers/aws"
"k8s.io/kubernetes/pkg/volume"
volumeutil "k8s.io/kubernetes/pkg/volume/util"
)
const (
diskPartitionSuffix = ""
diskXVDPath = "/dev/xvd"
diskXVDPattern = "/dev/xvd*"
maxChecks = 60
maxRetries = 10
checkSleepDuration = time.Second
errorSleepDuration = 5 * time.Second
)
type AWSDiskUtil struct{}
func (util *AWSDiskUtil) DeleteVolume(d *awsElasticBlockStoreDeleter) error {
cloud, err := getCloudProvider(d.awsElasticBlockStore.plugin.host.GetCloudProvider())
if err != nil {
return err
}
deleted, err := cloud.DeleteDisk(d.volumeID)
if err != nil {
// AWS cloud provider returns volume.deletedVolumeInUseError when
// necessary, no handling needed here.
glog.V(2).Infof("Error deleting EBS Disk volume %s: %v", d.volumeID, err)
return err
}
if deleted {
glog.V(2).Infof("Successfully deleted EBS Disk volume %s", d.volumeID)
} else {
glog.V(2).Infof("Successfully deleted EBS Disk volume %s (actually already deleted)", d.volumeID)
}
return nil
}
// CreateVolume creates an AWS EBS volume.
// Returns: volumeID, volumeSizeGB, labels, error
func (util *AWSDiskUtil) CreateVolume(c *awsElasticBlockStoreProvisioner) (aws.KubernetesVolumeID, int, map[string]string, string, error) {
cloud, err := getCloudProvider(c.awsElasticBlockStore.plugin.host.GetCloudProvider())
if err != nil {
return "", 0, nil, "", err
}
// AWS volumes don't have Name field, store the name in Name tag
var tags map[string]string
if c.options.CloudTags == nil {
tags = make(map[string]string)
} else {
tags = *c.options.CloudTags
}
tags["Name"] = volumeutil.GenerateVolumeName(c.options.ClusterName, c.options.PVName, 255) // AWS tags can have 255 characters
capacity := c.options.PVC.Spec.Resources.Requests[v1.ResourceName(v1.ResourceStorage)]
requestBytes := capacity.Value()
// AWS works with gigabytes, convert to GiB with rounding up
requestGB := int(volumeutil.RoundUpSize(requestBytes, 1024*1024*1024))
volumeOptions := &aws.VolumeOptions{
CapacityGB: requestGB,
Tags: tags,
PVCName: c.options.PVC.Name,
}
fstype := ""
// Apply Parameters (case-insensitive). We leave validation of
// the values to the cloud provider.
volumeOptions.ZonePresent = false
volumeOptions.ZonesPresent = false
for k, v := range c.options.Parameters {
switch strings.ToLower(k) {
case "type":
volumeOptions.VolumeType = v
case "zone":
volumeOptions.ZonePresent = true
volumeOptions.AvailabilityZone = v
case "zones":
volumeOptions.ZonesPresent = true
volumeOptions.AvailabilityZones = v
case "iopspergb":
volumeOptions.IOPSPerGB, err = strconv.Atoi(v)
if err != nil {
return "", 0, nil, "", fmt.Errorf("invalid iopsPerGB value %q, must be integer between 1 and 30: %v", v, err)
}
case "encrypted":
volumeOptions.Encrypted, err = strconv.ParseBool(v)
if err != nil {
return "", 0, nil, "", fmt.Errorf("invalid encrypted boolean value %q, must be true or false: %v", v, err)
}
case "kmskeyid":
volumeOptions.KmsKeyId = v
case volume.VolumeParameterFSType:
fstype = v
default:
return "", 0, nil, "", fmt.Errorf("invalid option %q for volume plugin %s", k, c.plugin.GetPluginName())
}
}
if volumeOptions.ZonePresent && volumeOptions.ZonesPresent {
return "", 0, nil, "", fmt.Errorf("both zone and zones StorageClass parameters must not be used at the same time")
}
// TODO: implement PVC.Selector parsing
if c.options.PVC.Spec.Selector != nil {
return "", 0, nil, "", fmt.Errorf("claim.Spec.Selector is not supported for dynamic provisioning on AWS")
}
name, err := cloud.CreateDisk(volumeOptions)
if err != nil {
glog.V(2).Infof("Error creating EBS Disk volume: %v", err)
return "", 0, nil, "", err
}
glog.V(2).Infof("Successfully created EBS Disk volume %s", name)
labels, err := cloud.GetVolumeLabels(name)
if err != nil {
// We don't really want to leak the volume here...
glog.Errorf("error building labels for new EBS volume %q: %v", name, err)
}
return name, int(requestGB), labels, fstype, nil
}
// Returns the first path that exists, or empty string if none exist.
func verifyDevicePath(devicePaths []string) (string, error) {
for _, path := range devicePaths {
if pathExists, err := volumeutil.PathExists(path); err != nil {
return "", fmt.Errorf("Error checking if path exists: %v", err)
} else if pathExists {
return path, nil
}
}
return "", nil
}
// Returns the first path that exists, or empty string if none exist.
func verifyAllPathsRemoved(devicePaths []string) (bool, error) {
allPathsRemoved := true
for _, path := range devicePaths {
if exists, err := volumeutil.PathExists(path); err != nil {
return false, fmt.Errorf("Error checking if path exists: %v", err)
} else {
allPathsRemoved = allPathsRemoved && !exists
}
}
return allPathsRemoved, nil
}
// Returns list of all paths for given EBS mount
// This is more interesting on GCE (where we are able to identify volumes under /dev/disk-by-id)
// Here it is mostly about applying the partition path
func getDiskByIdPaths(volumeID aws.KubernetesVolumeID, partition string, devicePath string) []string {
devicePaths := []string{}
if devicePath != "" {
devicePaths = append(devicePaths, devicePath)
}
if partition != "" {
for i, path := range devicePaths {
devicePaths[i] = path + diskPartitionSuffix + partition
}
}
// We need to find NVME volumes, which are mounted on a "random" nvme path ("/dev/nvme0n1"),
// and we have to get the volume id from the nvme interface
awsVolumeID, err := volumeID.MapToAWSVolumeID()
if err != nil {
glog.Warningf("error mapping volume %q to AWS volume: %v", volumeID, err)
} else {
// This is the magic name on which AWS presents NVME devices under /dev/disk/by-id/
// For example, vol-0fab1d5e3f72a5e23 creates a symlink at /dev/disk/by-id/nvme-Amazon_Elastic_Block_Store_vol0fab1d5e3f72a5e23
nvmeName := "nvme-Amazon_Elastic_Block_Store_" + strings.Replace(string(awsVolumeID), "-", "", -1)
nvmePath, err := findNvmeVolume(nvmeName)
if err != nil {
glog.Warningf("error looking for nvme volume %q: %v", volumeID, err)
} else if nvmePath != "" {
devicePaths = append(devicePaths, nvmePath)
}
}
return devicePaths
}
// Return cloud provider
func getCloudProvider(cloudProvider cloudprovider.Interface) (*aws.Cloud, error) {
awsCloudProvider, ok := cloudProvider.(*aws.Cloud)
if !ok || awsCloudProvider == nil {
return nil, fmt.Errorf("Failed to get AWS Cloud Provider. GetCloudProvider returned %v instead", cloudProvider)
}
return awsCloudProvider, nil
}
// findNvmeVolume looks for the nvme volume with the specified name
// It follows the symlink (if it exists) and returns the absolute path to the device
func findNvmeVolume(findName string) (device string, err error) {
p := filepath.Join("/dev/disk/by-id/", findName)
stat, err := os.Lstat(p)
if err != nil {
if os.IsNotExist(err) {
glog.V(6).Infof("nvme path not found %q", p)
return "", nil
}
return "", fmt.Errorf("error getting stat of %q: %v", p, err)
}
if stat.Mode()&os.ModeSymlink != os.ModeSymlink {
glog.Warningf("nvme file %q found, but was not a symlink", p)
return "", nil
}
// Find the target, resolving to an absolute path
// For example, /dev/disk/by-id/nvme-Amazon_Elastic_Block_Store_vol0fab1d5e3f72a5e23 -> ../../nvme2n1
resolved, err := filepath.EvalSymlinks(p)
if err != nil {
return "", fmt.Errorf("error reading target of symlink %q: %v", p, err)
}
if !strings.HasPrefix(resolved, "/dev") {
return "", fmt.Errorf("resolved symlink for %q was unexpected: %q", p, resolved)
}
return resolved, nil
}

19
vendor/k8s.io/kubernetes/pkg/volume/aws_ebs/doc.go generated vendored
View File

@ -1,19 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package aws_ebs contains the internal representation of AWS Elastic
// Block Store volumes.
package aws_ebs // import "k8s.io/kubernetes/pkg/volume/aws_ebs"

109
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/BUILD generated vendored
View File

@ -1,109 +0,0 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_library(
name = "go_default_library",
srcs = [
"attacher.go",
"azure_common.go",
"azure_dd.go",
"azure_dd_block.go",
"azure_mounter.go",
"azure_provision.go",
] + select({
"@io_bazel_rules_go//go/platform:android": [
"azure_common_unsupported.go",
],
"@io_bazel_rules_go//go/platform:darwin": [
"azure_common_unsupported.go",
],
"@io_bazel_rules_go//go/platform:dragonfly": [
"azure_common_unsupported.go",
],
"@io_bazel_rules_go//go/platform:freebsd": [
"azure_common_unsupported.go",
],
"@io_bazel_rules_go//go/platform:linux": [
"azure_common_linux.go",
],
"@io_bazel_rules_go//go/platform:nacl": [
"azure_common_unsupported.go",
],
"@io_bazel_rules_go//go/platform:netbsd": [
"azure_common_unsupported.go",
],
"@io_bazel_rules_go//go/platform:openbsd": [
"azure_common_unsupported.go",
],
"@io_bazel_rules_go//go/platform:plan9": [
"azure_common_unsupported.go",
],
"@io_bazel_rules_go//go/platform:solaris": [
"azure_common_unsupported.go",
],
"@io_bazel_rules_go//go/platform:windows": [
"azure_common_windows.go",
],
"//conditions:default": [],
}),
importpath = "k8s.io/kubernetes/pkg/volume/azure_dd",
deps = [
"//pkg/apis/core:go_default_library",
"//pkg/cloudprovider:go_default_library",
"//pkg/cloudprovider/providers/azure:go_default_library",
"//pkg/features:go_default_library",
"//pkg/util/keymutex:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/util/strings:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/util:go_default_library",
"//pkg/volume/util/volumepathhandler:go_default_library",
"//vendor/github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2017-12-01/compute:go_default_library",
"//vendor/github.com/Azure/azure-sdk-for-go/services/storage/mgmt/2017-10-01/storage:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/resource:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/sets:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/wait:go_default_library",
"//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)
go_test(
name = "go_default_test",
srcs = [
"azure_common_test.go",
"azure_dd_block_test.go",
"azure_dd_test.go",
],
embed = [":go_default_library"],
deps = [
"//pkg/util/mount:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/testing:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/client-go/util/testing:go_default_library",
],
)

18
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/OWNERS generated vendored
View File

@ -1,18 +0,0 @@
approvers:
- andyzhangx
- brendandburns
- feiskyer
- karataliu
- khenidak
- rootfs
reviewers:
- andyzhangx
- brendandburns
- feiskyer
- jingxu97
- jsafrane
- msau42
- karataliu
- khenidak
- rootfs
- saad-ali

309
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/attacher.go generated vendored
View File

@ -1,309 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_dd
import (
"context"
"fmt"
"os"
"path/filepath"
"runtime"
"strconv"
"time"
"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2017-12-01/compute"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/kubernetes/pkg/cloudprovider"
"k8s.io/kubernetes/pkg/cloudprovider/providers/azure"
"k8s.io/kubernetes/pkg/util/keymutex"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
)
type azureDiskDetacher struct {
plugin *azureDataDiskPlugin
cloud *azure.Cloud
}
type azureDiskAttacher struct {
plugin *azureDataDiskPlugin
cloud *azure.Cloud
}
var _ volume.Attacher = &azureDiskAttacher{}
var _ volume.Detacher = &azureDiskDetacher{}
// acquire lock to get an lun number
var getLunMutex = keymutex.NewKeyMutex()
// Attach attaches a volume.Spec to an Azure VM referenced by NodeName, returning the disk's LUN
func (a *azureDiskAttacher) Attach(spec *volume.Spec, nodeName types.NodeName) (string, error) {
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
glog.Warningf("failed to get azure disk spec (%v)", err)
return "", err
}
instanceid, err := a.cloud.InstanceID(context.TODO(), nodeName)
if err != nil {
glog.Warningf("failed to get azure instance id (%v)", err)
return "", fmt.Errorf("failed to get azure instance id for node %q (%v)", nodeName, err)
}
diskController, err := getDiskController(a.plugin.host)
if err != nil {
return "", err
}
lun, err := diskController.GetDiskLun(volumeSource.DiskName, volumeSource.DataDiskURI, nodeName)
if err == cloudprovider.InstanceNotFound {
// Log error and continue with attach
glog.Warningf(
"Error checking if volume is already attached to current node (%q). Will continue and try attach anyway. err=%v",
instanceid, err)
}
if err == nil {
// Volume is already attached to node.
glog.V(4).Infof("Attach operation is successful. volume %q is already attached to node %q at lun %d.", volumeSource.DiskName, instanceid, lun)
} else {
glog.V(4).Infof("GetDiskLun returned: %v. Initiating attaching volume %q to node %q.", err, volumeSource.DataDiskURI, nodeName)
getLunMutex.LockKey(instanceid)
defer getLunMutex.UnlockKey(instanceid)
lun, err = diskController.GetNextDiskLun(nodeName)
if err != nil {
glog.Warningf("no LUN available for instance %q (%v)", nodeName, err)
return "", fmt.Errorf("all LUNs are used, cannot attach volume %q to instance %q (%v)", volumeSource.DiskName, instanceid, err)
}
glog.V(4).Infof("Trying to attach volume %q lun %d to node %q.", volumeSource.DataDiskURI, lun, nodeName)
isManagedDisk := (*volumeSource.Kind == v1.AzureManagedDisk)
err = diskController.AttachDisk(isManagedDisk, volumeSource.DiskName, volumeSource.DataDiskURI, nodeName, lun, compute.CachingTypes(*volumeSource.CachingMode))
if err == nil {
glog.V(4).Infof("Attach operation successful: volume %q attached to node %q.", volumeSource.DataDiskURI, nodeName)
} else {
glog.V(2).Infof("Attach volume %q to instance %q failed with %v", volumeSource.DataDiskURI, instanceid, err)
return "", fmt.Errorf("Attach volume %q to instance %q failed with %v", volumeSource.DiskName, instanceid, err)
}
}
return strconv.Itoa(int(lun)), err
}
func (a *azureDiskAttacher) VolumesAreAttached(specs []*volume.Spec, nodeName types.NodeName) (map[*volume.Spec]bool, error) {
volumesAttachedCheck := make(map[*volume.Spec]bool)
volumeSpecMap := make(map[string]*volume.Spec)
volumeIDList := []string{}
for _, spec := range specs {
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
glog.Errorf("azureDisk - Error getting volume (%q) source : %v", spec.Name(), err)
continue
}
volumeIDList = append(volumeIDList, volumeSource.DiskName)
volumesAttachedCheck[spec] = true
volumeSpecMap[volumeSource.DiskName] = spec
}
diskController, err := getDiskController(a.plugin.host)
if err != nil {
return nil, err
}
attachedResult, err := diskController.DisksAreAttached(volumeIDList, nodeName)
if err != nil {
// Log error and continue with attach
glog.Errorf(
"azureDisk - Error checking if volumes (%v) are attached to current node (%q). err=%v",
volumeIDList, nodeName, err)
return volumesAttachedCheck, err
}
for volumeID, attached := range attachedResult {
if !attached {
spec := volumeSpecMap[volumeID]
volumesAttachedCheck[spec] = false
glog.V(2).Infof("azureDisk - VolumesAreAttached: check volume %q (specName: %q) is no longer attached", volumeID, spec.Name())
}
}
return volumesAttachedCheck, nil
}
func (a *azureDiskAttacher) WaitForAttach(spec *volume.Spec, devicePath string, _ *v1.Pod, timeout time.Duration) (string, error) {
var err error
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
return "", err
}
diskController, err := getDiskController(a.plugin.host)
if err != nil {
return "", err
}
nodeName := types.NodeName(a.plugin.host.GetHostName())
diskName := volumeSource.DiskName
glog.V(5).Infof("azureDisk - WaitForAttach: begin to GetDiskLun by diskName(%s), DataDiskURI(%s), nodeName(%s), devicePath(%s)",
diskName, volumeSource.DataDiskURI, nodeName, devicePath)
lun, err := diskController.GetDiskLun(diskName, volumeSource.DataDiskURI, nodeName)
if err != nil {
return "", err
}
glog.V(5).Infof("azureDisk - WaitForAttach: GetDiskLun succeeded, got lun(%v)", lun)
exec := a.plugin.host.GetExec(a.plugin.GetPluginName())
io := &osIOHandler{}
scsiHostRescan(io, exec)
newDevicePath := ""
err = wait.Poll(1*time.Second, timeout, func() (bool, error) {
if newDevicePath, err = findDiskByLun(int(lun), io, exec); err != nil {
return false, fmt.Errorf("azureDisk - WaitForAttach ticker failed node (%s) disk (%s) lun(%v) err(%s)", nodeName, diskName, lun, err)
}
// did we find it?
if newDevicePath != "" {
return true, nil
}
return false, fmt.Errorf("azureDisk - WaitForAttach failed within timeout node (%s) diskId:(%s) lun:(%v)", nodeName, diskName, lun)
})
return newDevicePath, err
}
// to avoid name conflicts (similar *.vhd name)
// we use hash diskUri and we use it as device mount target.
// this is generalized for both managed and blob disks
// we also prefix the hash with m/b based on disk kind
func (a *azureDiskAttacher) GetDeviceMountPath(spec *volume.Spec) (string, error) {
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
return "", err
}
if volumeSource.Kind == nil { // this spec was constructed from info on the node
pdPath := filepath.Join(a.plugin.host.GetPluginDir(azureDataDiskPluginName), mount.MountsInGlobalPDPath, volumeSource.DataDiskURI)
return pdPath, nil
}
isManagedDisk := (*volumeSource.Kind == v1.AzureManagedDisk)
return makeGlobalPDPath(a.plugin.host, volumeSource.DataDiskURI, isManagedDisk)
}
func (attacher *azureDiskAttacher) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string) error {
mounter := attacher.plugin.host.GetMounter(azureDataDiskPluginName)
notMnt, err := mounter.IsLikelyNotMountPoint(deviceMountPath)
if err != nil {
if os.IsNotExist(err) {
dir := deviceMountPath
if runtime.GOOS == "windows" {
// in windows, as we use mklink, only need to MkdirAll for parent directory
dir = filepath.Dir(deviceMountPath)
}
if err := os.MkdirAll(dir, 0750); err != nil {
return fmt.Errorf("azureDisk - mountDevice:CreateDirectory failed with %s", err)
}
notMnt = true
} else {
return fmt.Errorf("azureDisk - mountDevice:IsLikelyNotMountPoint failed with %s", err)
}
}
if !notMnt {
// testing original mount point, make sure the mount link is valid
if _, err := (&osIOHandler{}).ReadDir(deviceMountPath); err != nil {
// mount link is invalid, now unmount and remount later
glog.Warningf("azureDisk - ReadDir %s failed with %v, unmount this directory", deviceMountPath, err)
if err := mounter.Unmount(deviceMountPath); err != nil {
glog.Errorf("azureDisk - Unmount deviceMountPath %s failed with %v", deviceMountPath, err)
return err
}
notMnt = true
}
}
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
return err
}
options := []string{}
if notMnt {
diskMounter := util.NewSafeFormatAndMountFromHost(azureDataDiskPluginName, attacher.plugin.host)
mountOptions := util.MountOptionFromSpec(spec, options...)
err = diskMounter.FormatAndMount(devicePath, deviceMountPath, *volumeSource.FSType, mountOptions)
if err != nil {
if cleanErr := os.Remove(deviceMountPath); cleanErr != nil {
return fmt.Errorf("azureDisk - mountDevice:FormatAndMount failed with %s and clean up failed with :%v", err, cleanErr)
}
return fmt.Errorf("azureDisk - mountDevice:FormatAndMount failed with %s", err)
}
}
return nil
}
// Detach detaches disk from Azure VM.
func (d *azureDiskDetacher) Detach(diskURI string, nodeName types.NodeName) error {
if diskURI == "" {
return fmt.Errorf("invalid disk to detach: %q", diskURI)
}
instanceid, err := d.cloud.InstanceID(context.TODO(), nodeName)
if err != nil {
glog.Warningf("no instance id for node %q, skip detaching (%v)", nodeName, err)
return nil
}
glog.V(4).Infof("detach %v from node %q", diskURI, nodeName)
diskController, err := getDiskController(d.plugin.host)
if err != nil {
return err
}
getLunMutex.LockKey(instanceid)
defer getLunMutex.UnlockKey(instanceid)
err = diskController.DetachDiskByName("", diskURI, nodeName)
if err != nil {
glog.Errorf("failed to detach azure disk %q, err %v", diskURI, err)
}
glog.V(2).Infof("azureDisk - disk:%s was detached from node:%v", diskURI, nodeName)
return err
}
// UnmountDevice unmounts the volume on the node
func (detacher *azureDiskDetacher) UnmountDevice(deviceMountPath string) error {
err := util.UnmountPath(deviceMountPath, detacher.plugin.host.GetMounter(detacher.plugin.GetPluginName()))
if err == nil {
glog.V(4).Infof("azureDisk - Device %s was unmounted", deviceMountPath)
} else {
glog.Infof("azureDisk - Device %s failed to unmount with error: %s", deviceMountPath, err.Error())
}
return err
}

201
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/azure_common.go generated vendored
View File

@ -1,201 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_dd
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
libstrings "strings"
"github.com/Azure/azure-sdk-for-go/services/storage/mgmt/2017-10-01/storage"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/sets"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/cloudprovider/providers/azure"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
)
const (
defaultStorageAccountType = storage.StandardLRS
defaultAzureDiskKind = v1.AzureSharedBlobDisk
defaultAzureDataDiskCachingMode = v1.AzureDataDiskCachingNone
)
type dataDisk struct {
volume.MetricsProvider
volumeName string
diskName string
podUID types.UID
plugin *azureDataDiskPlugin
}
var (
supportedCachingModes = sets.NewString(
string(api.AzureDataDiskCachingNone),
string(api.AzureDataDiskCachingReadOnly),
string(api.AzureDataDiskCachingReadWrite))
supportedDiskKinds = sets.NewString(
string(api.AzureSharedBlobDisk),
string(api.AzureDedicatedBlobDisk),
string(api.AzureManagedDisk))
supportedStorageAccountTypes = sets.NewString("Premium_LRS", "Standard_LRS", "Standard_GRS", "Standard_RAGRS")
)
func getPath(uid types.UID, volName string, host volume.VolumeHost) string {
return host.GetPodVolumeDir(uid, strings.EscapeQualifiedNameForDisk(azureDataDiskPluginName), volName)
}
// creates a unique path for disks (even if they share the same *.vhd name)
func makeGlobalPDPath(host volume.VolumeHost, diskUri string, isManaged bool) (string, error) {
diskUri = libstrings.ToLower(diskUri) // always lower uri because users may enter it in caps.
uniqueDiskNameTemplate := "%s%s"
hashedDiskUri := azure.MakeCRC32(diskUri)
prefix := "b"
if isManaged {
prefix = "m"
}
// "{m for managed b for blob}{hashed diskUri or DiskId depending on disk kind }"
diskName := fmt.Sprintf(uniqueDiskNameTemplate, prefix, hashedDiskUri)
pdPath := filepath.Join(host.GetPluginDir(azureDataDiskPluginName), mount.MountsInGlobalPDPath, diskName)
return pdPath, nil
}
func makeDataDisk(volumeName string, podUID types.UID, diskName string, host volume.VolumeHost, plugin *azureDataDiskPlugin) *dataDisk {
var metricProvider volume.MetricsProvider
if podUID != "" {
metricProvider = volume.NewMetricsStatFS(getPath(podUID, volumeName, host))
}
return &dataDisk{
MetricsProvider: metricProvider,
volumeName: volumeName,
diskName: diskName,
podUID: podUID,
plugin: plugin,
}
}
func getVolumeSource(spec *volume.Spec) (volumeSource *v1.AzureDiskVolumeSource, readOnly bool, err error) {
if spec.Volume != nil && spec.Volume.AzureDisk != nil {
return spec.Volume.AzureDisk, spec.Volume.AzureDisk.ReadOnly != nil && *spec.Volume.AzureDisk.ReadOnly, nil
}
if spec.PersistentVolume != nil && spec.PersistentVolume.Spec.AzureDisk != nil {
return spec.PersistentVolume.Spec.AzureDisk, spec.ReadOnly, nil
}
return nil, false, fmt.Errorf("azureDisk - Spec does not reference an Azure disk volume type")
}
func normalizeKind(kind string) (v1.AzureDataDiskKind, error) {
if kind == "" {
return defaultAzureDiskKind, nil
}
if !supportedDiskKinds.Has(kind) {
return "", fmt.Errorf("azureDisk - %s is not supported disk kind. Supported values are %s", kind, supportedDiskKinds.List())
}
return v1.AzureDataDiskKind(kind), nil
}
func normalizeStorageAccountType(storageAccountType string) (storage.SkuName, error) {
if storageAccountType == "" {
return defaultStorageAccountType, nil
}
if !supportedStorageAccountTypes.Has(storageAccountType) {
return "", fmt.Errorf("azureDisk - %s is not supported sku/storageaccounttype. Supported values are %s", storageAccountType, supportedStorageAccountTypes.List())
}
return storage.SkuName(storageAccountType), nil
}
func normalizeCachingMode(cachingMode v1.AzureDataDiskCachingMode) (v1.AzureDataDiskCachingMode, error) {
if cachingMode == "" {
return defaultAzureDataDiskCachingMode, nil
}
if !supportedCachingModes.Has(string(cachingMode)) {
return "", fmt.Errorf("azureDisk - %s is not supported cachingmode. Supported values are %s", cachingMode, supportedCachingModes.List())
}
return cachingMode, nil
}
type ioHandler interface {
ReadDir(dirname string) ([]os.FileInfo, error)
WriteFile(filename string, data []byte, perm os.FileMode) error
Readlink(name string) (string, error)
ReadFile(filename string) ([]byte, error)
}
//TODO: check if priming the iscsi interface is actually needed
type osIOHandler struct{}
func (handler *osIOHandler) ReadDir(dirname string) ([]os.FileInfo, error) {
return ioutil.ReadDir(dirname)
}
func (handler *osIOHandler) WriteFile(filename string, data []byte, perm os.FileMode) error {
return ioutil.WriteFile(filename, data, perm)
}
func (handler *osIOHandler) Readlink(name string) (string, error) {
return os.Readlink(name)
}
func (handler *osIOHandler) ReadFile(filename string) ([]byte, error) {
return ioutil.ReadFile(filename)
}
func getDiskController(host volume.VolumeHost) (DiskController, error) {
cloudProvider := host.GetCloudProvider()
az, ok := cloudProvider.(*azure.Cloud)
if !ok || az == nil {
return nil, fmt.Errorf("AzureDisk - failed to get Azure Cloud Provider. GetCloudProvider returned %v instead", cloudProvider)
}
return az, nil
}
func getCloud(host volume.VolumeHost) (*azure.Cloud, error) {
cloudProvider := host.GetCloudProvider()
az, ok := cloudProvider.(*azure.Cloud)
if !ok || az == nil {
return nil, fmt.Errorf("AzureDisk - failed to get Azure Cloud Provider. GetCloudProvider returned %v instead", cloudProvider)
}
return az, nil
}
func strFirstLetterToUpper(str string) string {
if len(str) < 2 {
return str
}
return libstrings.ToUpper(string(str[0])) + str[1:]
}

180
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/azure_common_linux.go generated vendored
View File

@ -1,180 +0,0 @@
// +build linux
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_dd
import (
"fmt"
"path/filepath"
"strconv"
libstrings "strings"
"github.com/golang/glog"
"k8s.io/kubernetes/pkg/util/mount"
)
// exclude those used by azure as resource and OS root in /dev/disk/azure
func listAzureDiskPath(io ioHandler) []string {
azureDiskPath := "/dev/disk/azure/"
var azureDiskList []string
if dirs, err := io.ReadDir(azureDiskPath); err == nil {
for _, f := range dirs {
name := f.Name()
diskPath := azureDiskPath + name
if link, linkErr := io.Readlink(diskPath); linkErr == nil {
sd := link[(libstrings.LastIndex(link, "/") + 1):]
azureDiskList = append(azureDiskList, sd)
}
}
}
glog.V(12).Infof("Azure sys disks paths: %v", azureDiskList)
return azureDiskList
}
// getDiskLinkByDevName get disk link by device name from devLinkPath, e.g. /dev/disk/azure/, /dev/disk/by-id/
func getDiskLinkByDevName(io ioHandler, devLinkPath, devName string) (string, error) {
dirs, err := io.ReadDir(devLinkPath)
glog.V(12).Infof("azureDisk - begin to find %s from %s", devName, devLinkPath)
if err == nil {
for _, f := range dirs {
diskPath := devLinkPath + f.Name()
glog.V(12).Infof("azureDisk - begin to Readlink: %s", diskPath)
link, linkErr := io.Readlink(diskPath)
if linkErr != nil {
glog.Warningf("azureDisk - read link (%s) error: %v", diskPath, linkErr)
continue
}
if libstrings.HasSuffix(link, devName) {
return diskPath, nil
}
}
return "", fmt.Errorf("device name(%s) is not found under %s", devName, devLinkPath)
}
return "", fmt.Errorf("read %s error: %v", devLinkPath, err)
}
func scsiHostRescan(io ioHandler, exec mount.Exec) {
scsi_path := "/sys/class/scsi_host/"
if dirs, err := io.ReadDir(scsi_path); err == nil {
for _, f := range dirs {
name := scsi_path + f.Name() + "/scan"
data := []byte("- - -")
if err = io.WriteFile(name, data, 0666); err != nil {
glog.Warningf("failed to rescan scsi host %s", name)
}
}
} else {
glog.Warningf("failed to read %s, err %v", scsi_path, err)
}
}
func findDiskByLun(lun int, io ioHandler, exec mount.Exec) (string, error) {
azureDisks := listAzureDiskPath(io)
return findDiskByLunWithConstraint(lun, io, azureDisks)
}
// finds a device mounted to "current" node
func findDiskByLunWithConstraint(lun int, io ioHandler, azureDisks []string) (string, error) {
var err error
sys_path := "/sys/bus/scsi/devices"
if dirs, err := io.ReadDir(sys_path); err == nil {
for _, f := range dirs {
name := f.Name()
// look for path like /sys/bus/scsi/devices/3:0:0:1
arr := libstrings.Split(name, ":")
if len(arr) < 4 {
continue
}
if len(azureDisks) == 0 {
glog.V(4).Infof("/dev/disk/azure is not populated, now try to parse %v directly", name)
target, err := strconv.Atoi(arr[0])
if err != nil {
glog.Errorf("failed to parse target from %v (%v), err %v", arr[0], name, err)
continue
}
// as observed, targets 0-3 are used by OS disks. Skip them
if target <= 3 {
continue
}
}
// extract LUN from the path.
// LUN is the last index of the array, i.e. 1 in /sys/bus/scsi/devices/3:0:0:1
l, err := strconv.Atoi(arr[3])
if err != nil {
// unknown path format, continue to read the next one
glog.V(4).Infof("azure disk - failed to parse lun from %v (%v), err %v", arr[3], name, err)
continue
}
if lun == l {
// find the matching LUN
// read vendor and model to ensure it is a VHD disk
vendorPath := filepath.Join(sys_path, name, "vendor")
vendorBytes, err := io.ReadFile(vendorPath)
if err != nil {
glog.Errorf("failed to read device vendor, err: %v", err)
continue
}
vendor := libstrings.TrimSpace(string(vendorBytes))
if libstrings.ToUpper(vendor) != "MSFT" {
glog.V(4).Infof("vendor doesn't match VHD, got %s", vendor)
continue
}
modelPath := filepath.Join(sys_path, name, "model")
modelBytes, err := io.ReadFile(modelPath)
if err != nil {
glog.Errorf("failed to read device model, err: %v", err)
continue
}
model := libstrings.TrimSpace(string(modelBytes))
if libstrings.ToUpper(model) != "VIRTUAL DISK" {
glog.V(4).Infof("model doesn't match VHD, got %s", model)
continue
}
// find a disk, validate name
dir := filepath.Join(sys_path, name, "block")
if dev, err := io.ReadDir(dir); err == nil {
found := false
devName := dev[0].Name()
for _, diskName := range azureDisks {
glog.V(12).Infof("azureDisk - validating disk %q with sys disk %q", devName, diskName)
if devName == diskName {
found = true
break
}
}
if !found {
devLinkPaths := []string{"/dev/disk/azure/scsi1/", "/dev/disk/by-id/"}
for _, devLinkPath := range devLinkPaths {
diskPath, err := getDiskLinkByDevName(io, devLinkPath, devName)
if err == nil {
glog.V(4).Infof("azureDisk - found %s by %s under %s", diskPath, devName, devLinkPath)
return diskPath, nil
}
glog.Warningf("azureDisk - getDiskLinkByDevName by %s under %s failed, error: %v", devName, devLinkPath, err)
}
return "/dev/" + devName, nil
}
}
}
}
}
return "", err
}

136
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/azure_common_test.go generated vendored
View File

@ -1,136 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_dd
import (
"fmt"
"os"
"runtime"
"strings"
"testing"
"time"
"k8s.io/kubernetes/pkg/util/mount"
)
type fakeFileInfo struct {
name string
}
func (fi *fakeFileInfo) Name() string {
return fi.name
}
func (fi *fakeFileInfo) Size() int64 {
return 0
}
func (fi *fakeFileInfo) Mode() os.FileMode {
return 777
}
func (fi *fakeFileInfo) ModTime() time.Time {
return time.Now()
}
func (fi *fakeFileInfo) IsDir() bool {
return false
}
func (fi *fakeFileInfo) Sys() interface{} {
return nil
}
var (
lun = 1
lunStr = "1"
diskPath = "4:0:0:" + lunStr
devName = "sdd"
lun1 = 2
lunStr1 = "2"
diskPath1 = "3:0:0:" + lunStr1
devName1 = "sde"
)
type fakeIOHandler struct{}
func (handler *fakeIOHandler) ReadDir(dirname string) ([]os.FileInfo, error) {
switch dirname {
case "/sys/bus/scsi/devices":
f1 := &fakeFileInfo{
name: "3:0:0:1",
}
f2 := &fakeFileInfo{
name: "4:0:0:0",
}
f3 := &fakeFileInfo{
name: diskPath,
}
f4 := &fakeFileInfo{
name: "host1",
}
f5 := &fakeFileInfo{
name: "target2:0:0",
}
return []os.FileInfo{f1, f2, f3, f4, f5}, nil
case "/sys/bus/scsi/devices/" + diskPath + "/block":
n := &fakeFileInfo{
name: devName,
}
return []os.FileInfo{n}, nil
case "/sys/bus/scsi/devices/" + diskPath1 + "/block":
n := &fakeFileInfo{
name: devName1,
}
return []os.FileInfo{n}, nil
}
return nil, fmt.Errorf("bad dir")
}
func (handler *fakeIOHandler) WriteFile(filename string, data []byte, perm os.FileMode) error {
return nil
}
func (handler *fakeIOHandler) Readlink(name string) (string, error) {
return "/dev/azure/disk/sda", nil
}
func (handler *fakeIOHandler) ReadFile(filename string) ([]byte, error) {
if strings.HasSuffix(filename, "vendor") {
return []byte("Msft \n"), nil
}
if strings.HasSuffix(filename, "model") {
return []byte("Virtual Disk \n"), nil
}
return nil, fmt.Errorf("unknown file")
}
func TestIoHandler(t *testing.T) {
if runtime.GOOS != "windows" && runtime.GOOS != "linux" {
t.Skipf("TestIoHandler not supported on GOOS=%s", runtime.GOOS)
}
disk, err := findDiskByLun(lun, &fakeIOHandler{}, mount.NewOsExec())
if runtime.GOOS == "windows" {
if err != nil {
t.Errorf("no data disk found: disk %v err %v", disk, err)
}
} else {
// if no disk matches lun, exit
if disk != "/dev/"+devName || err != nil {
t.Errorf("no data disk found: disk %v err %v", disk, err)
}
}
}

28
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/azure_common_unsupported.go generated vendored
View File

@ -1,28 +0,0 @@
// +build !linux,!windows
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_dd
import "k8s.io/kubernetes/pkg/util/mount"
func scsiHostRescan(io ioHandler, exec mount.Exec) {
}
func findDiskByLun(lun int, io ioHandler, exec mount.Exec) (string, error) {
return "", nil
}

118
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/azure_common_windows.go generated vendored
View File

@ -1,118 +0,0 @@
// +build windows
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_dd
import (
"encoding/json"
"fmt"
"strconv"
"strings"
"github.com/golang/glog"
"k8s.io/kubernetes/pkg/util/mount"
)
func scsiHostRescan(io ioHandler, exec mount.Exec) {
cmd := "Update-HostStorageCache"
output, err := exec.Run("powershell", "/c", cmd)
if err != nil {
glog.Errorf("Update-HostStorageCache failed in scsiHostRescan, error: %v, output: %q", err, string(output))
}
}
// search Windows disk number by LUN
func findDiskByLun(lun int, iohandler ioHandler, exec mount.Exec) (string, error) {
cmd := `Get-Disk | select number, location | ConvertTo-Json`
output, err := exec.Run("powershell", "/c", cmd)
if err != nil {
glog.Errorf("Get-Disk failed in findDiskByLun, error: %v, output: %q", err, string(output))
return "", err
}
if len(output) < 10 {
return "", fmt.Errorf("Get-Disk output is too short, output: %q", string(output))
}
var data []map[string]interface{}
if err = json.Unmarshal(output, &data); err != nil {
glog.Errorf("Get-Disk output is not a json array, output: %q", string(output))
return "", err
}
for _, v := range data {
if jsonLocation, ok := v["location"]; ok {
if location, ok := jsonLocation.(string); ok {
if !strings.Contains(location, " LUN ") {
continue
}
arr := strings.Split(location, " ")
arrLen := len(arr)
if arrLen < 3 {
glog.Warningf("unexpected json structure from Get-Disk, location: %q", jsonLocation)
continue
}
glog.V(4).Infof("found a disk, locatin: %q, lun: %q", location, arr[arrLen-1])
//last element of location field is LUN number, e.g.
// "location": "Integrated : Adapter 3 : Port 0 : Target 0 : LUN 1"
l, err := strconv.Atoi(arr[arrLen-1])
if err != nil {
glog.Warningf("cannot parse element from data structure, location: %q, element: %q", location, arr[arrLen-1])
continue
}
if l == lun {
glog.V(4).Infof("found a disk and lun, locatin: %q, lun: %d", location, lun)
if d, ok := v["number"]; ok {
if diskNum, ok := d.(float64); ok {
glog.V(2).Infof("azureDisk Mount: got disk number(%d) by LUN(%d)", int(diskNum), lun)
return strconv.Itoa(int(diskNum)), nil
}
glog.Warningf("LUN(%d) found, but could not get disk number(%q), location: %q", lun, d, location)
}
return "", fmt.Errorf("LUN(%d) found, but could not get disk number, location: %q", lun, location)
}
}
}
}
return "", nil
}
func formatIfNotFormatted(disk string, fstype string, exec mount.Exec) {
if err := mount.ValidateDiskNumber(disk); err != nil {
glog.Errorf("azureDisk Mount: formatIfNotFormatted failed, err: %v\n", err)
return
}
if len(fstype) == 0 {
// Use 'NTFS' as the default
fstype = "NTFS"
}
cmd := fmt.Sprintf("Get-Disk -Number %s | Where partitionstyle -eq 'raw' | Initialize-Disk -PartitionStyle MBR -PassThru", disk)
cmd += fmt.Sprintf(" | New-Partition -AssignDriveLetter -UseMaximumSize | Format-Volume -FileSystem %s -Confirm:$false", fstype)
output, err := exec.Run("powershell", "/c", cmd)
if err != nil {
glog.Errorf("azureDisk Mount: Get-Disk failed, error: %v, output: %q", err, string(output))
} else {
glog.Infof("azureDisk Mount: Disk successfully formatted, disk: %q, fstype: %q\n", disk, fstype)
}
}

271
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/azure_dd.go generated vendored
View File

@ -1,271 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_dd
import (
"fmt"
"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2017-12-01/compute"
"github.com/Azure/azure-sdk-for-go/services/storage/mgmt/2017-10-01/storage"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/cloudprovider/providers/azure"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
)
// interface exposed by the cloud provider implementing Disk functionality
type DiskController interface {
CreateBlobDisk(dataDiskName string, storageAccountType storage.SkuName, sizeGB int) (string, error)
DeleteBlobDisk(diskUri string) error
CreateManagedDisk(diskName string, storageAccountType storage.SkuName, resourceGroup string, sizeGB int, tags map[string]string) (string, error)
DeleteManagedDisk(diskURI string) error
// Attaches the disk to the host machine.
AttachDisk(isManagedDisk bool, diskName, diskUri string, nodeName types.NodeName, lun int32, cachingMode compute.CachingTypes) error
// Detaches the disk, identified by disk name or uri, from the host machine.
DetachDiskByName(diskName, diskUri string, nodeName types.NodeName) error
// Check if a list of volumes are attached to the node with the specified NodeName
DisksAreAttached(diskNames []string, nodeName types.NodeName) (map[string]bool, error)
// Get the LUN number of the disk that is attached to the host
GetDiskLun(diskName, diskUri string, nodeName types.NodeName) (int32, error)
// Get the next available LUN number to attach a new VHD
GetNextDiskLun(nodeName types.NodeName) (int32, error)
// Create a VHD blob
CreateVolume(name, storageAccount, storageAccountType, location string, requestGB int) (string, string, int, error)
// Delete a VHD blob
DeleteVolume(diskURI string) error
// Expand the disk to new size
ResizeDisk(diskURI string, oldSize resource.Quantity, newSize resource.Quantity) (resource.Quantity, error)
}
type azureDataDiskPlugin struct {
host volume.VolumeHost
}
var _ volume.VolumePlugin = &azureDataDiskPlugin{}
var _ volume.PersistentVolumePlugin = &azureDataDiskPlugin{}
var _ volume.DeletableVolumePlugin = &azureDataDiskPlugin{}
var _ volume.ProvisionableVolumePlugin = &azureDataDiskPlugin{}
var _ volume.AttachableVolumePlugin = &azureDataDiskPlugin{}
var _ volume.VolumePluginWithAttachLimits = &azureDataDiskPlugin{}
var _ volume.ExpandableVolumePlugin = &azureDataDiskPlugin{}
const (
azureDataDiskPluginName = "kubernetes.io/azure-disk"
)
func ProbeVolumePlugins() []volume.VolumePlugin {
return []volume.VolumePlugin{&azureDataDiskPlugin{}}
}
func (plugin *azureDataDiskPlugin) Init(host volume.VolumeHost) error {
plugin.host = host
return nil
}
func (plugin *azureDataDiskPlugin) GetPluginName() string {
return azureDataDiskPluginName
}
func (plugin *azureDataDiskPlugin) GetVolumeName(spec *volume.Spec) (string, error) {
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
return "", err
}
return volumeSource.DataDiskURI, nil
}
func (plugin *azureDataDiskPlugin) CanSupport(spec *volume.Spec) bool {
return (spec.PersistentVolume != nil && spec.PersistentVolume.Spec.AzureDisk != nil) ||
(spec.Volume != nil && spec.Volume.AzureDisk != nil)
}
func (plugin *azureDataDiskPlugin) RequiresRemount() bool {
return false
}
func (plugin *azureDataDiskPlugin) SupportsMountOption() bool {
return true
}
func (plugin *azureDataDiskPlugin) SupportsBulkVolumeVerification() bool {
return false
}
func (plugin *azureDataDiskPlugin) GetVolumeLimits() (map[string]int64, error) {
volumeLimits := map[string]int64{
util.AzureVolumeLimitKey: 16,
}
cloud := plugin.host.GetCloudProvider()
// if we can't fetch cloudprovider we return an error
// hoping external CCM or admin can set it. Returning
// default values from here will mean, no one can
// override them.
if cloud == nil {
return nil, fmt.Errorf("No cloudprovider present")
}
if cloud.ProviderName() != azure.CloudProviderName {
return nil, fmt.Errorf("Expected Azure cloudprovider, got %s", cloud.ProviderName())
}
return volumeLimits, nil
}
func (plugin *azureDataDiskPlugin) VolumeLimitKey(spec *volume.Spec) string {
return util.AzureVolumeLimitKey
}
func (plugin *azureDataDiskPlugin) GetAccessModes() []v1.PersistentVolumeAccessMode {
return []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
}
}
// NewAttacher initializes an Attacher
func (plugin *azureDataDiskPlugin) NewAttacher() (volume.Attacher, error) {
azure, err := getCloud(plugin.host)
if err != nil {
glog.Errorf("failed to get azure cloud in NewAttacher, plugin.host : %s, err:%v", plugin.host.GetHostName(), err)
return nil, err
}
return &azureDiskAttacher{
plugin: plugin,
cloud: azure,
}, nil
}
func (plugin *azureDataDiskPlugin) NewDetacher() (volume.Detacher, error) {
azure, err := getCloud(plugin.host)
if err != nil {
glog.V(4).Infof("failed to get azure cloud in NewDetacher, plugin.host : %s", plugin.host.GetHostName())
return nil, err
}
return &azureDiskDetacher{
plugin: plugin,
cloud: azure,
}, nil
}
func (plugin *azureDataDiskPlugin) NewDeleter(spec *volume.Spec) (volume.Deleter, error) {
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
return nil, err
}
disk := makeDataDisk(spec.Name(), "", volumeSource.DiskName, plugin.host, plugin)
return &azureDiskDeleter{
spec: spec,
plugin: plugin,
dataDisk: disk,
}, nil
}
func (plugin *azureDataDiskPlugin) NewProvisioner(options volume.VolumeOptions) (volume.Provisioner, error) {
if len(options.PVC.Spec.AccessModes) == 0 {
options.PVC.Spec.AccessModes = plugin.GetAccessModes()
}
return &azureDiskProvisioner{
plugin: plugin,
options: options,
}, nil
}
func (plugin *azureDataDiskPlugin) NewMounter(spec *volume.Spec, pod *v1.Pod, options volume.VolumeOptions) (volume.Mounter, error) {
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
return nil, err
}
disk := makeDataDisk(spec.Name(), pod.UID, volumeSource.DiskName, plugin.host, plugin)
return &azureDiskMounter{
plugin: plugin,
spec: spec,
options: options,
dataDisk: disk,
}, nil
}
func (plugin *azureDataDiskPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
disk := makeDataDisk(volName, podUID, "", plugin.host, plugin)
return &azureDiskUnmounter{
plugin: plugin,
dataDisk: disk,
}, nil
}
func (plugin *azureDataDiskPlugin) RequiresFSResize() bool {
return true
}
func (plugin *azureDataDiskPlugin) ExpandVolumeDevice(
spec *volume.Spec,
newSize resource.Quantity,
oldSize resource.Quantity) (resource.Quantity, error) {
if spec.PersistentVolume == nil || spec.PersistentVolume.Spec.AzureDisk == nil {
return oldSize, fmt.Errorf("invalid PV spec")
}
diskController, err := getDiskController(plugin.host)
if err != nil {
return oldSize, err
}
return diskController.ResizeDisk(spec.PersistentVolume.Spec.AzureDisk.DataDiskURI, oldSize, newSize)
}
func (plugin *azureDataDiskPlugin) ConstructVolumeSpec(volumeName, mountPath string) (*volume.Spec, error) {
mounter := plugin.host.GetMounter(plugin.GetPluginName())
pluginDir := plugin.host.GetPluginDir(plugin.GetPluginName())
sourceName, err := mounter.GetDeviceNameFromMount(mountPath, pluginDir)
if err != nil {
return nil, err
}
azureVolume := &v1.Volume{
Name: volumeName,
VolumeSource: v1.VolumeSource{
AzureDisk: &v1.AzureDiskVolumeSource{
DataDiskURI: sourceName,
},
},
}
return volume.NewSpecFromVolume(azureVolume), nil
}
func (plugin *azureDataDiskPlugin) GetDeviceMountRefs(deviceMountPath string) ([]string, error) {
m := plugin.host.GetMounter(plugin.GetPluginName())
return mount.GetMountRefs(m, deviceMountPath)
}

161
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/azure_dd_block.go generated vendored
View File

@ -1,161 +0,0 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_dd
import (
"fmt"
"path/filepath"
"github.com/golang/glog"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/util/mount"
kstrings "k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
"k8s.io/kubernetes/pkg/volume/util/volumepathhandler"
)
var _ volume.VolumePlugin = &azureDataDiskPlugin{}
var _ volume.PersistentVolumePlugin = &azureDataDiskPlugin{}
var _ volume.BlockVolumePlugin = &azureDataDiskPlugin{}
var _ volume.DeletableVolumePlugin = &azureDataDiskPlugin{}
var _ volume.ProvisionableVolumePlugin = &azureDataDiskPlugin{}
func (plugin *azureDataDiskPlugin) ConstructBlockVolumeSpec(podUID types.UID, volumeName, mapPath string) (*volume.Spec, error) {
pluginDir := plugin.host.GetVolumeDevicePluginDir(azureDataDiskPluginName)
blkutil := volumepathhandler.NewBlockVolumePathHandler()
globalMapPathUUID, err := blkutil.FindGlobalMapPathUUIDFromPod(pluginDir, mapPath, podUID)
if err != nil {
return nil, err
}
glog.V(5).Infof("constructing block volume spec from globalMapPathUUID: %s", globalMapPathUUID)
globalMapPath := filepath.Dir(globalMapPathUUID)
if len(globalMapPath) <= 1 {
return nil, fmt.Errorf("failed to get volume plugin information from globalMapPathUUID: %v", globalMapPathUUID)
}
return getVolumeSpecFromGlobalMapPath(globalMapPath, volumeName)
}
func getVolumeSpecFromGlobalMapPath(globalMapPath, volumeName string) (*volume.Spec, error) {
// Get volume spec information from globalMapPath
// globalMapPath example:
// plugins/kubernetes.io/{PluginName}/{DefaultKubeletVolumeDevicesDirName}/{volumeID}
// plugins/kubernetes.io/azure-disk/volumeDevices/vol-XXXXXX
diskName := filepath.Base(globalMapPath)
if len(diskName) <= 1 {
return nil, fmt.Errorf("failed to get diskName from global path=%s", globalMapPath)
}
glog.V(5).Infof("got diskName(%s) from globalMapPath: %s", globalMapPath, diskName)
block := v1.PersistentVolumeBlock
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: volumeName,
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
AzureDisk: &v1.AzureDiskVolumeSource{
DiskName: diskName,
},
},
VolumeMode: &block,
},
}
return volume.NewSpecFromPersistentVolume(pv, true), nil
}
// NewBlockVolumeMapper creates a new volume.BlockVolumeMapper from an API specification.
func (plugin *azureDataDiskPlugin) NewBlockVolumeMapper(spec *volume.Spec, pod *v1.Pod, _ volume.VolumeOptions) (volume.BlockVolumeMapper, error) {
// If this is called via GenerateUnmapDeviceFunc(), pod is nil.
// Pass empty string as dummy uid since uid isn't used in the case.
var uid types.UID
if pod != nil {
uid = pod.UID
}
return plugin.newBlockVolumeMapperInternal(spec, uid, plugin.host.GetMounter(plugin.GetPluginName()))
}
func (plugin *azureDataDiskPlugin) newBlockVolumeMapperInternal(spec *volume.Spec, podUID types.UID, mounter mount.Interface) (volume.BlockVolumeMapper, error) {
volumeSource, readOnly, err := getVolumeSource(spec)
if err != nil {
return nil, err
}
disk := makeDataDisk(spec.Name(), podUID, volumeSource.DiskName, plugin.host, plugin)
return &azureDataDiskMapper{
dataDisk: disk,
readOnly: readOnly,
}, nil
}
func (plugin *azureDataDiskPlugin) NewBlockVolumeUnmapper(volName string, podUID types.UID) (volume.BlockVolumeUnmapper, error) {
return plugin.newUnmapperInternal(volName, podUID, plugin.host.GetMounter(plugin.GetPluginName()))
}
func (plugin *azureDataDiskPlugin) newUnmapperInternal(volName string, podUID types.UID, mounter mount.Interface) (volume.BlockVolumeUnmapper, error) {
disk := makeDataDisk(volName, podUID, "", plugin.host, plugin)
return &azureDataDiskUnmapper{dataDisk: disk}, nil
}
func (c *azureDataDiskUnmapper) TearDownDevice(mapPath, devicePath string) error {
return nil
}
type azureDataDiskUnmapper struct {
*dataDisk
}
var _ volume.BlockVolumeUnmapper = &azureDataDiskUnmapper{}
type azureDataDiskMapper struct {
*dataDisk
readOnly bool
}
var _ volume.BlockVolumeMapper = &azureDataDiskMapper{}
func (b *azureDataDiskMapper) SetUpDevice() (string, error) {
return "", nil
}
func (b *azureDataDiskMapper) MapDevice(devicePath, globalMapPath, volumeMapPath, volumeMapName string, podUID types.UID) error {
return util.MapBlockVolume(devicePath, globalMapPath, volumeMapPath, volumeMapName, podUID)
}
// GetGlobalMapPath returns global map path and error
// path: plugins/kubernetes.io/{PluginName}/volumeDevices/volumeID
// plugins/kubernetes.io/azure-disk/volumeDevices/vol-XXXXXX
func (disk *dataDisk) GetGlobalMapPath(spec *volume.Spec) (string, error) {
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
return "", err
}
return filepath.Join(disk.plugin.host.GetVolumeDevicePluginDir(azureDataDiskPluginName), string(volumeSource.DiskName)), nil
}
// GetPodDeviceMapPath returns pod device map path and volume name
// path: pods/{podUid}/volumeDevices/kubernetes.io~azure
func (disk *dataDisk) GetPodDeviceMapPath() (string, string) {
name := azureDataDiskPluginName
return disk.plugin.host.GetPodVolumeDeviceDir(disk.podUID, kstrings.EscapeQualifiedNameForDisk(name)), disk.volumeName
}

145
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/azure_dd_block_test.go generated vendored
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@ -1,145 +0,0 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_dd
import (
"os"
"path/filepath"
"testing"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
const (
testDiskName = "disk1"
testPVName = "pv1"
testGlobalPath = "plugins/kubernetes.io/azure-disk/volumeDevices/disk1"
testPodPath = "pods/poduid/volumeDevices/kubernetes.io~azure-disk"
)
func TestGetVolumeSpecFromGlobalMapPath(t *testing.T) {
// make our test path for fake GlobalMapPath
// /tmp symbolized our pluginDir
// /tmp/testGlobalPathXXXXX/plugins/kubernetes.io/azure-disk/volumeDevices/disk1
tmpVDir, err := utiltesting.MkTmpdir("azureDiskBlockTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
//deferred clean up
defer os.RemoveAll(tmpVDir)
expectedGlobalPath := filepath.Join(tmpVDir, testGlobalPath)
//Bad Path
badspec, err := getVolumeSpecFromGlobalMapPath("", "")
if badspec != nil || err == nil {
t.Errorf("Expected not to get spec from GlobalMapPath but did")
}
// Good Path
spec, err := getVolumeSpecFromGlobalMapPath(expectedGlobalPath, "")
if spec == nil || err != nil {
t.Fatalf("Failed to get spec from GlobalMapPath: %v", err)
}
if spec.PersistentVolume.Spec.AzureDisk.DiskName != testDiskName {
t.Errorf("Invalid pdName from GlobalMapPath spec: %s", spec.PersistentVolume.Spec.AzureDisk.DiskName)
}
block := v1.PersistentVolumeBlock
specMode := spec.PersistentVolume.Spec.VolumeMode
if &specMode == nil {
t.Errorf("Invalid volumeMode from GlobalMapPath spec: %v expected: %v", &specMode, block)
}
if *specMode != block {
t.Errorf("Invalid volumeMode from GlobalMapPath spec: %v expected: %v", *specMode, block)
}
}
func getTestVolume(readOnly bool, path string, isBlock bool) *volume.Spec {
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: testPVName,
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
AzureDisk: &v1.AzureDiskVolumeSource{
DiskName: testDiskName,
},
},
},
}
if isBlock {
blockMode := v1.PersistentVolumeBlock
pv.Spec.VolumeMode = &blockMode
}
return volume.NewSpecFromPersistentVolume(pv, readOnly)
}
func TestGetPodAndPluginMapPaths(t *testing.T) {
tmpVDir, err := utiltesting.MkTmpdir("azureDiskBlockTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
//deferred clean up
defer os.RemoveAll(tmpVDir)
expectedGlobalPath := filepath.Join(tmpVDir, testGlobalPath)
expectedPodPath := filepath.Join(tmpVDir, testPodPath)
spec := getTestVolume(false, tmpVDir, true /*isBlock*/)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpVDir, nil, nil))
plug, err := plugMgr.FindMapperPluginByName(azureDataDiskPluginName)
if err != nil {
os.RemoveAll(tmpVDir)
t.Fatalf("Can't find the plugin by name: %q", azureDataDiskPluginName)
}
if plug.GetPluginName() != azureDataDiskPluginName {
t.Fatalf("Wrong name: %s", plug.GetPluginName())
}
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
mapper, err := plug.NewBlockVolumeMapper(spec, pod, volume.VolumeOptions{})
if err != nil {
t.Fatalf("Failed to make a new Mounter: %v", err)
}
if mapper == nil {
t.Fatalf("Got a nil Mounter")
}
//GetGlobalMapPath
gMapPath, err := mapper.GetGlobalMapPath(spec)
if err != nil || len(gMapPath) == 0 {
t.Fatalf("Invalid GlobalMapPath from spec: %s, error: %v", spec.PersistentVolume.Spec.AzureDisk.DiskName, err)
}
if gMapPath != expectedGlobalPath {
t.Errorf("Failed to get GlobalMapPath: %s, expected %s", gMapPath, expectedGlobalPath)
}
//GetPodDeviceMapPath
gDevicePath, gVolName := mapper.GetPodDeviceMapPath()
if gDevicePath != expectedPodPath {
t.Errorf("Got unexpected pod path: %s, expected %s", gDevicePath, expectedPodPath)
}
if gVolName != testPVName {
t.Errorf("Got unexpected volNamne: %s, expected %s", gVolName, testPVName)
}
}

55
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/azure_dd_test.go generated vendored
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@ -1,55 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_dd
import (
"os"
"testing"
"k8s.io/api/core/v1"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
func TestCanSupport(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("azure_dd")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName(azureDataDiskPluginName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plug.GetPluginName() != azureDataDiskPluginName {
t.Errorf("Wrong name: %s", plug.GetPluginName())
}
if !plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{AzureDisk: &v1.AzureDiskVolumeSource{}}}}) {
t.Errorf("Expected true")
}
if !plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{PersistentVolumeSource: v1.PersistentVolumeSource{AzureDisk: &v1.AzureDiskVolumeSource{}}}}}) {
t.Errorf("Expected true")
}
}
// fakeAzureProvider type was removed because all functions were not used
// Testing mounting will require path calculation which depends on the cloud provider, which is faked in the above test.

210
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/azure_mounter.go generated vendored
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@ -1,210 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_dd
import (
"fmt"
"os"
"runtime"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
)
type azureDiskMounter struct {
*dataDisk
spec *volume.Spec
plugin *azureDataDiskPlugin
options volume.VolumeOptions
}
type azureDiskUnmounter struct {
*dataDisk
plugin *azureDataDiskPlugin
}
var _ volume.Unmounter = &azureDiskUnmounter{}
var _ volume.Mounter = &azureDiskMounter{}
func (m *azureDiskMounter) GetAttributes() volume.Attributes {
readOnly := false
volumeSource, _, err := getVolumeSource(m.spec)
if err != nil {
glog.Infof("azureDisk - mounter failed to get volume source for spec %s %v", m.spec.Name(), err)
} else if volumeSource.ReadOnly != nil {
readOnly = *volumeSource.ReadOnly
}
return volume.Attributes{
ReadOnly: readOnly,
Managed: !readOnly,
SupportsSELinux: true,
}
}
func (m *azureDiskMounter) CanMount() error {
return nil
}
func (m *azureDiskMounter) SetUp(fsGroup *int64) error {
return m.SetUpAt(m.GetPath(), fsGroup)
}
func (m *azureDiskMounter) GetPath() string {
return getPath(m.dataDisk.podUID, m.dataDisk.volumeName, m.plugin.host)
}
func (m *azureDiskMounter) SetUpAt(dir string, fsGroup *int64) error {
mounter := m.plugin.host.GetMounter(m.plugin.GetPluginName())
volumeSource, _, err := getVolumeSource(m.spec)
if err != nil {
glog.Infof("azureDisk - mounter failed to get volume source for spec %s", m.spec.Name())
return err
}
diskName := volumeSource.DiskName
mountPoint, err := mounter.IsLikelyNotMountPoint(dir)
if err != nil && !os.IsNotExist(err) {
glog.Infof("azureDisk - cannot validate mount point for disk %s on %s %v", diskName, dir, err)
return err
}
if !mountPoint {
// testing original mount point, make sure the mount link is valid
_, err := (&osIOHandler{}).ReadDir(dir)
if err == nil {
glog.V(4).Infof("azureDisk - already mounted to target %s", dir)
return nil
}
// mount link is invalid, now unmount and remount later
glog.Warningf("azureDisk - ReadDir %s failed with %v, unmount this directory", dir, err)
if err := mounter.Unmount(dir); err != nil {
glog.Errorf("azureDisk - Unmount directory %s failed with %v", dir, err)
return err
}
mountPoint = true
}
if runtime.GOOS != "windows" {
// in windows, we will use mklink to mount, will MkdirAll in Mount func
if err := os.MkdirAll(dir, 0750); err != nil {
glog.Errorf("azureDisk - mkdir failed on disk %s on dir: %s (%v)", diskName, dir, err)
return err
}
}
options := []string{"bind"}
if volumeSource.ReadOnly != nil && *volumeSource.ReadOnly {
options = append(options, "ro")
}
if m.options.MountOptions != nil {
options = util.JoinMountOptions(m.options.MountOptions, options)
}
glog.V(4).Infof("azureDisk - Attempting to mount %s on %s", diskName, dir)
isManagedDisk := (*volumeSource.Kind == v1.AzureManagedDisk)
globalPDPath, err := makeGlobalPDPath(m.plugin.host, volumeSource.DataDiskURI, isManagedDisk)
if err != nil {
return err
}
mountErr := mounter.Mount(globalPDPath, dir, *volumeSource.FSType, options)
// Everything in the following control flow is meant as an
// attempt cleanup a failed setupAt (bind mount)
if mountErr != nil {
glog.Infof("azureDisk - SetupAt:Mount disk:%s at dir:%s failed during mounting with error:%v, will attempt to clean up", diskName, dir, mountErr)
mountPoint, err := mounter.IsLikelyNotMountPoint(dir)
if err != nil {
return fmt.Errorf("azureDisk - SetupAt:Mount:Failure:cleanup IsLikelyNotMountPoint check failed for disk:%s on dir:%s with error %v original-mountErr:%v", diskName, dir, err, mountErr)
}
if !mountPoint {
if err = mounter.Unmount(dir); err != nil {
return fmt.Errorf("azureDisk - SetupAt:Mount:Failure:cleanup failed to unmount disk:%s on dir:%s with error:%v original-mountErr:%v", diskName, dir, err, mountErr)
}
mountPoint, err := mounter.IsLikelyNotMountPoint(dir)
if err != nil {
return fmt.Errorf("azureDisk - SetupAt:Mount:Failure:cleanup IsLikelyNotMountPoint for disk:%s on dir:%s check failed with error:%v original-mountErr:%v", diskName, dir, err, mountErr)
}
if !mountPoint {
// not cool. leave for next sync loop.
return fmt.Errorf("azureDisk - SetupAt:Mount:Failure:cleanup disk %s is still mounted on %s during cleanup original-mountErr:%v, despite call to unmount(). Will try again next sync loop.", diskName, dir, mountErr)
}
}
if err = os.Remove(dir); err != nil {
return fmt.Errorf("azureDisk - SetupAt:Mount:Failure error cleaning up (removing dir:%s) with error:%v original-mountErr:%v", dir, err, mountErr)
}
glog.V(2).Infof("azureDisk - Mount of disk:%s on dir:%s failed with mount error:%v post failure clean up was completed", diskName, dir, mountErr)
return mountErr
}
if volumeSource.ReadOnly == nil || !*volumeSource.ReadOnly {
volume.SetVolumeOwnership(m, fsGroup)
}
glog.V(2).Infof("azureDisk - successfully mounted disk %s on %s", diskName, dir)
return nil
}
func (u *azureDiskUnmounter) TearDown() error {
return u.TearDownAt(u.GetPath())
}
func (u *azureDiskUnmounter) TearDownAt(dir string) error {
if pathExists, pathErr := util.PathExists(dir); pathErr != nil {
return fmt.Errorf("Error checking if path exists: %v", pathErr)
} else if !pathExists {
glog.Warningf("Warning: Unmount skipped because path does not exist: %v", dir)
return nil
}
glog.V(4).Infof("azureDisk - TearDownAt: %s", dir)
mounter := u.plugin.host.GetMounter(u.plugin.GetPluginName())
mountPoint, err := mounter.IsLikelyNotMountPoint(dir)
if err != nil {
return fmt.Errorf("azureDisk - TearDownAt: %s failed to do IsLikelyNotMountPoint %s", dir, err)
}
if mountPoint {
if err := os.Remove(dir); err != nil {
return fmt.Errorf("azureDisk - TearDownAt: %s failed to do os.Remove %s", dir, err)
}
}
if err := mounter.Unmount(dir); err != nil {
return fmt.Errorf("azureDisk - TearDownAt: %s failed to do mounter.Unmount %s", dir, err)
}
mountPoint, err = mounter.IsLikelyNotMountPoint(dir)
if err != nil {
return fmt.Errorf("azureDisk - TearTownAt:IsLikelyNotMountPoint check failed: %v", err)
}
if mountPoint {
return os.Remove(dir)
}
return fmt.Errorf("azureDisk - failed to un-bind-mount volume dir")
}
func (u *azureDiskUnmounter) GetPath() string {
return getPath(u.dataDisk.podUID, u.dataDisk.volumeName, u.plugin.host)
}

210
vendor/k8s.io/kubernetes/pkg/volume/azure_dd/azure_provision.go generated vendored
View File

@ -1,210 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_dd
import (
"errors"
"fmt"
"strings"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
)
type azureDiskProvisioner struct {
plugin *azureDataDiskPlugin
options volume.VolumeOptions
}
type azureDiskDeleter struct {
*dataDisk
spec *volume.Spec
plugin *azureDataDiskPlugin
}
var _ volume.Provisioner = &azureDiskProvisioner{}
var _ volume.Deleter = &azureDiskDeleter{}
func (d *azureDiskDeleter) GetPath() string {
return getPath(d.podUID, d.dataDisk.diskName, d.plugin.host)
}
func (d *azureDiskDeleter) Delete() error {
volumeSource, _, err := getVolumeSource(d.spec)
if err != nil {
return err
}
diskController, err := getDiskController(d.plugin.host)
if err != nil {
return err
}
managed := (*volumeSource.Kind == v1.AzureManagedDisk)
if managed {
return diskController.DeleteManagedDisk(volumeSource.DataDiskURI)
}
return diskController.DeleteBlobDisk(volumeSource.DataDiskURI)
}
func (p *azureDiskProvisioner) Provision(selectedNode *v1.Node, allowedTopologies []v1.TopologySelectorTerm) (*v1.PersistentVolume, error) {
if !util.AccessModesContainedInAll(p.plugin.GetAccessModes(), p.options.PVC.Spec.AccessModes) {
return nil, fmt.Errorf("invalid AccessModes %v: only AccessModes %v are supported", p.options.PVC.Spec.AccessModes, p.plugin.GetAccessModes())
}
supportedModes := p.plugin.GetAccessModes()
// perform static validation first
if p.options.PVC.Spec.Selector != nil {
return nil, fmt.Errorf("azureDisk - claim.Spec.Selector is not supported for dynamic provisioning on Azure disk")
}
if len(p.options.PVC.Spec.AccessModes) > 1 {
return nil, fmt.Errorf("AzureDisk - multiple access modes are not supported on AzureDisk plugin")
}
if len(p.options.PVC.Spec.AccessModes) == 1 {
if p.options.PVC.Spec.AccessModes[0] != supportedModes[0] {
return nil, fmt.Errorf("AzureDisk - mode %s is not supporetd by AzureDisk plugin supported mode is %s", p.options.PVC.Spec.AccessModes[0], supportedModes)
}
}
var (
location, account string
storageAccountType, fsType string
cachingMode v1.AzureDataDiskCachingMode
strKind string
err error
resourceGroup string
)
// maxLength = 79 - (4 for ".vhd") = 75
name := util.GenerateVolumeName(p.options.ClusterName, p.options.PVName, 75)
capacity := p.options.PVC.Spec.Resources.Requests[v1.ResourceName(v1.ResourceStorage)]
requestBytes := capacity.Value()
requestGB := int(util.RoundUpSize(requestBytes, 1024*1024*1024))
for k, v := range p.options.Parameters {
switch strings.ToLower(k) {
case "skuname":
storageAccountType = v
case "location":
location = v
case "storageaccount":
account = v
case "storageaccounttype":
storageAccountType = v
case "kind":
strKind = v
case "cachingmode":
cachingMode = v1.AzureDataDiskCachingMode(v)
case volume.VolumeParameterFSType:
fsType = strings.ToLower(v)
case "resourcegroup":
resourceGroup = v
default:
return nil, fmt.Errorf("AzureDisk - invalid option %s in storage class", k)
}
}
// normalize values
skuName, err := normalizeStorageAccountType(storageAccountType)
if err != nil {
return nil, err
}
kind, err := normalizeKind(strFirstLetterToUpper(strKind))
if err != nil {
return nil, err
}
if cachingMode, err = normalizeCachingMode(cachingMode); err != nil {
return nil, err
}
diskController, err := getDiskController(p.plugin.host)
if err != nil {
return nil, err
}
if resourceGroup != "" && kind != v1.AzureManagedDisk {
return nil, errors.New("StorageClass option 'resourceGroup' can be used only for managed disks")
}
// create disk
diskURI := ""
if kind == v1.AzureManagedDisk {
tags := make(map[string]string)
if p.options.CloudTags != nil {
tags = *(p.options.CloudTags)
}
diskURI, err = diskController.CreateManagedDisk(name, skuName, resourceGroup, requestGB, tags)
if err != nil {
return nil, err
}
} else {
if kind == v1.AzureDedicatedBlobDisk {
_, diskURI, _, err = diskController.CreateVolume(name, account, storageAccountType, location, requestGB)
if err != nil {
return nil, err
}
} else {
diskURI, err = diskController.CreateBlobDisk(name, skuName, requestGB)
if err != nil {
return nil, err
}
}
}
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: p.options.PVName,
Labels: map[string]string{},
Annotations: map[string]string{
"volumehelper.VolumeDynamicallyCreatedByKey": "azure-disk-dynamic-provisioner",
},
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeReclaimPolicy: p.options.PersistentVolumeReclaimPolicy,
AccessModes: supportedModes,
Capacity: v1.ResourceList{
v1.ResourceName(v1.ResourceStorage): resource.MustParse(fmt.Sprintf("%dGi", requestGB)),
},
PersistentVolumeSource: v1.PersistentVolumeSource{
AzureDisk: &v1.AzureDiskVolumeSource{
CachingMode: &cachingMode,
DiskName: name,
DataDiskURI: diskURI,
Kind: &kind,
FSType: &fsType,
},
},
MountOptions: p.options.MountOptions,
},
}
if utilfeature.DefaultFeatureGate.Enabled(features.BlockVolume) {
pv.Spec.VolumeMode = p.options.PVC.Spec.VolumeMode
}
return pv, nil
}

63
vendor/k8s.io/kubernetes/pkg/volume/azure_file/BUILD generated vendored
View File

@ -1,63 +0,0 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_library(
name = "go_default_library",
srcs = [
"azure_file.go",
"azure_provision.go",
"azure_util.go",
"doc.go",
],
importpath = "k8s.io/kubernetes/pkg/volume/azure_file",
deps = [
"//pkg/cloudprovider:go_default_library",
"//pkg/cloudprovider/providers/azure:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/util/strings:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/util:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/resource:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = ["azure_file_test.go"],
embed = [":go_default_library"],
deps = [
"//pkg/cloudprovider/providers/azure:go_default_library",
"//pkg/cloudprovider/providers/fake:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/testing:go_default_library",
"//vendor/github.com/Azure/go-autorest/autorest/to:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/client-go/kubernetes/fake:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)

18
vendor/k8s.io/kubernetes/pkg/volume/azure_file/OWNERS generated vendored
View File

@ -1,18 +0,0 @@
approvers:
- andyzhangx
- brendandburns
- feiskyer
- karataliu
- khenidak
- rootfs
reviewers:
- andyzhangx
- brendandburns
- feiskyer
- jsafrane
- jingxu97
- karataliu
- khenidak
- msau42
- rootfs
- saad-ali

381
vendor/k8s.io/kubernetes/pkg/volume/azure_file/azure_file.go generated vendored
View File

@ -1,381 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_file
import (
"fmt"
"io/ioutil"
"os"
"runtime"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/cloudprovider"
"k8s.io/kubernetes/pkg/cloudprovider/providers/azure"
"k8s.io/kubernetes/pkg/util/mount"
kstrings "k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
volutil "k8s.io/kubernetes/pkg/volume/util"
)
// ProbeVolumePlugins is the primary endpoint for volume plugins
func ProbeVolumePlugins() []volume.VolumePlugin {
return []volume.VolumePlugin{&azureFilePlugin{nil}}
}
type azureFilePlugin struct {
host volume.VolumeHost
}
var _ volume.VolumePlugin = &azureFilePlugin{}
var _ volume.PersistentVolumePlugin = &azureFilePlugin{}
var _ volume.ExpandableVolumePlugin = &azureFilePlugin{}
const (
azureFilePluginName = "kubernetes.io/azure-file"
)
func getPath(uid types.UID, volName string, host volume.VolumeHost) string {
return host.GetPodVolumeDir(uid, kstrings.EscapeQualifiedNameForDisk(azureFilePluginName), volName)
}
func (plugin *azureFilePlugin) Init(host volume.VolumeHost) error {
plugin.host = host
return nil
}
func (plugin *azureFilePlugin) GetPluginName() string {
return azureFilePluginName
}
func (plugin *azureFilePlugin) GetVolumeName(spec *volume.Spec) (string, error) {
share, _, err := getVolumeSource(spec)
if err != nil {
return "", err
}
return share, nil
}
func (plugin *azureFilePlugin) CanSupport(spec *volume.Spec) bool {
//TODO: check if mount.cifs is there
return (spec.PersistentVolume != nil && spec.PersistentVolume.Spec.AzureFile != nil) ||
(spec.Volume != nil && spec.Volume.AzureFile != nil)
}
func (plugin *azureFilePlugin) RequiresRemount() bool {
return false
}
func (plugin *azureFilePlugin) SupportsMountOption() bool {
return true
}
func (plugin *azureFilePlugin) SupportsBulkVolumeVerification() bool {
return false
}
func (plugin *azureFilePlugin) GetAccessModes() []v1.PersistentVolumeAccessMode {
return []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
v1.ReadOnlyMany,
v1.ReadWriteMany,
}
}
func (plugin *azureFilePlugin) NewMounter(spec *volume.Spec, pod *v1.Pod, _ volume.VolumeOptions) (volume.Mounter, error) {
return plugin.newMounterInternal(spec, pod, &azureSvc{}, plugin.host.GetMounter(plugin.GetPluginName()))
}
func (plugin *azureFilePlugin) newMounterInternal(spec *volume.Spec, pod *v1.Pod, util azureUtil, mounter mount.Interface) (volume.Mounter, error) {
share, readOnly, err := getVolumeSource(spec)
if err != nil {
return nil, err
}
secretName, secretNamespace, err := getSecretNameAndNamespace(spec, pod.Namespace)
return &azureFileMounter{
azureFile: &azureFile{
volName: spec.Name(),
mounter: mounter,
pod: pod,
plugin: plugin,
MetricsProvider: volume.NewMetricsStatFS(getPath(pod.UID, spec.Name(), plugin.host)),
},
util: util,
secretNamespace: secretNamespace,
secretName: secretName,
shareName: share,
readOnly: readOnly,
mountOptions: volutil.MountOptionFromSpec(spec),
}, nil
}
func (plugin *azureFilePlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
return plugin.newUnmounterInternal(volName, podUID, plugin.host.GetMounter(plugin.GetPluginName()))
}
func (plugin *azureFilePlugin) newUnmounterInternal(volName string, podUID types.UID, mounter mount.Interface) (volume.Unmounter, error) {
return &azureFileUnmounter{&azureFile{
volName: volName,
mounter: mounter,
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: podUID}},
plugin: plugin,
MetricsProvider: volume.NewMetricsStatFS(getPath(podUID, volName, plugin.host)),
}}, nil
}
func (plugin *azureFilePlugin) RequiresFSResize() bool {
return false
}
func (plugin *azureFilePlugin) ExpandVolumeDevice(
spec *volume.Spec,
newSize resource.Quantity,
oldSize resource.Quantity) (resource.Quantity, error) {
if spec.PersistentVolume == nil || spec.PersistentVolume.Spec.AzureFile == nil {
return oldSize, fmt.Errorf("invalid PV spec")
}
shareName := spec.PersistentVolume.Spec.AzureFile.ShareName
azure, err := getAzureCloudProvider(plugin.host.GetCloudProvider())
if err != nil {
return oldSize, err
}
secretName, secretNamespace, err := getSecretNameAndNamespace(spec, spec.PersistentVolume.Spec.ClaimRef.Namespace)
if err != nil {
return oldSize, err
}
accountName, accountKey, err := (&azureSvc{}).GetAzureCredentials(plugin.host, secretNamespace, secretName)
if err != nil {
return oldSize, err
}
if err := azure.ResizeFileShare(accountName, accountKey, shareName, int(volutil.RoundUpToGiB(newSize))); err != nil {
return oldSize, err
}
return newSize, nil
}
func (plugin *azureFilePlugin) ConstructVolumeSpec(volName, mountPath string) (*volume.Spec, error) {
azureVolume := &v1.Volume{
Name: volName,
VolumeSource: v1.VolumeSource{
AzureFile: &v1.AzureFileVolumeSource{
SecretName: volName,
ShareName: volName,
},
},
}
return volume.NewSpecFromVolume(azureVolume), nil
}
// azureFile volumes represent mount of an AzureFile share.
type azureFile struct {
volName string
podUID types.UID
pod *v1.Pod
mounter mount.Interface
plugin *azureFilePlugin
volume.MetricsProvider
}
func (azureFileVolume *azureFile) GetPath() string {
return getPath(azureFileVolume.pod.UID, azureFileVolume.volName, azureFileVolume.plugin.host)
}
type azureFileMounter struct {
*azureFile
util azureUtil
secretName string
secretNamespace string
shareName string
readOnly bool
mountOptions []string
}
var _ volume.Mounter = &azureFileMounter{}
func (b *azureFileMounter) GetAttributes() volume.Attributes {
return volume.Attributes{
ReadOnly: b.readOnly,
Managed: !b.readOnly,
SupportsSELinux: false,
}
}
// Checks prior to mount operations to verify that the required components (binaries, etc.)
// to mount the volume are available on the underlying node.
// If not, it returns an error
func (b *azureFileMounter) CanMount() error {
return nil
}
// SetUp attaches the disk and bind mounts to the volume path.
func (b *azureFileMounter) SetUp(fsGroup *int64) error {
return b.SetUpAt(b.GetPath(), fsGroup)
}
func (b *azureFileMounter) SetUpAt(dir string, fsGroup *int64) error {
notMnt, err := b.mounter.IsLikelyNotMountPoint(dir)
glog.V(4).Infof("AzureFile mount set up: %s %v %v", dir, !notMnt, err)
if err != nil && !os.IsNotExist(err) {
return err
}
if !notMnt {
// testing original mount point, make sure the mount link is valid
if _, err := ioutil.ReadDir(dir); err == nil {
glog.V(4).Infof("azureFile - already mounted to target %s", dir)
return nil
}
// mount link is invalid, now unmount and remount later
glog.Warningf("azureFile - ReadDir %s failed with %v, unmount this directory", dir, err)
if err := b.mounter.Unmount(dir); err != nil {
glog.Errorf("azureFile - Unmount directory %s failed with %v", dir, err)
return err
}
notMnt = true
}
var accountKey, accountName string
if accountName, accountKey, err = b.util.GetAzureCredentials(b.plugin.host, b.secretNamespace, b.secretName); err != nil {
return err
}
mountOptions := []string{}
source := ""
osSeparator := string(os.PathSeparator)
source = fmt.Sprintf("%s%s%s.file.%s%s%s", osSeparator, osSeparator, accountName, getStorageEndpointSuffix(b.plugin.host.GetCloudProvider()), osSeparator, b.shareName)
if runtime.GOOS == "windows" {
mountOptions = []string{fmt.Sprintf("AZURE\\%s", accountName), accountKey}
} else {
os.MkdirAll(dir, 0700)
// parameters suggested by https://azure.microsoft.com/en-us/documentation/articles/storage-how-to-use-files-linux/
options := []string{fmt.Sprintf("username=%s,password=%s", accountName, accountKey)}
if b.readOnly {
options = append(options, "ro")
}
mountOptions = volutil.JoinMountOptions(b.mountOptions, options)
mountOptions = appendDefaultMountOptions(mountOptions, fsGroup)
}
err = b.mounter.Mount(source, dir, "cifs", mountOptions)
if err != nil {
notMnt, mntErr := b.mounter.IsLikelyNotMountPoint(dir)
if mntErr != nil {
glog.Errorf("IsLikelyNotMountPoint check failed: %v", mntErr)
return err
}
if !notMnt {
if mntErr = b.mounter.Unmount(dir); mntErr != nil {
glog.Errorf("Failed to unmount: %v", mntErr)
return err
}
notMnt, mntErr := b.mounter.IsLikelyNotMountPoint(dir)
if mntErr != nil {
glog.Errorf("IsLikelyNotMountPoint check failed: %v", mntErr)
return err
}
if !notMnt {
// This is very odd, we don't expect it. We'll try again next sync loop.
glog.Errorf("%s is still mounted, despite call to unmount(). Will try again next sync loop.", dir)
return err
}
}
os.Remove(dir)
return err
}
return nil
}
var _ volume.Unmounter = &azureFileUnmounter{}
type azureFileUnmounter struct {
*azureFile
}
func (c *azureFileUnmounter) TearDown() error {
return c.TearDownAt(c.GetPath())
}
func (c *azureFileUnmounter) TearDownAt(dir string) error {
return volutil.UnmountPath(dir, c.mounter)
}
func getVolumeSource(spec *volume.Spec) (string, bool, error) {
if spec.Volume != nil && spec.Volume.AzureFile != nil {
share := spec.Volume.AzureFile.ShareName
readOnly := spec.Volume.AzureFile.ReadOnly
return share, readOnly, nil
} else if spec.PersistentVolume != nil &&
spec.PersistentVolume.Spec.AzureFile != nil {
share := spec.PersistentVolume.Spec.AzureFile.ShareName
readOnly := spec.ReadOnly
return share, readOnly, nil
}
return "", false, fmt.Errorf("Spec does not reference an AzureFile volume type")
}
func getSecretNameAndNamespace(spec *volume.Spec, defaultNamespace string) (string, string, error) {
secretName := ""
secretNamespace := ""
if spec.Volume != nil && spec.Volume.AzureFile != nil {
secretName = spec.Volume.AzureFile.SecretName
secretNamespace = defaultNamespace
} else if spec.PersistentVolume != nil &&
spec.PersistentVolume.Spec.AzureFile != nil {
secretNamespace = defaultNamespace
if spec.PersistentVolume.Spec.AzureFile.SecretNamespace != nil {
secretNamespace = *spec.PersistentVolume.Spec.AzureFile.SecretNamespace
}
secretName = spec.PersistentVolume.Spec.AzureFile.SecretName
} else {
return "", "", fmt.Errorf("Spec does not reference an AzureFile volume type")
}
if len(secretNamespace) == 0 {
return "", "", fmt.Errorf("invalid Azure volume: nil namespace")
}
return secretName, secretNamespace, nil
}
func getAzureCloud(cloudProvider cloudprovider.Interface) (*azure.Cloud, error) {
azure, ok := cloudProvider.(*azure.Cloud)
if !ok || azure == nil {
return nil, fmt.Errorf("Failed to get Azure Cloud Provider. GetCloudProvider returned %v instead", cloudProvider)
}
return azure, nil
}
func getStorageEndpointSuffix(cloudprovider cloudprovider.Interface) string {
const publicCloudStorageEndpointSuffix = "core.windows.net"
azure, err := getAzureCloud(cloudprovider)
if err != nil {
glog.Warningf("No Azure cloud provider found. Using the Azure public cloud endpoint: %s", publicCloudStorageEndpointSuffix)
return publicCloudStorageEndpointSuffix
}
return azure.Environment.StorageEndpointSuffix
}

414
vendor/k8s.io/kubernetes/pkg/volume/azure_file/azure_file_test.go generated vendored
View File

@ -1,414 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_file
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"reflect"
"strings"
"testing"
"github.com/Azure/go-autorest/autorest/to"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/kubernetes/fake"
"k8s.io/kubernetes/pkg/cloudprovider/providers/azure"
fakecloud "k8s.io/kubernetes/pkg/cloudprovider/providers/fake"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
func TestCanSupport(t *testing.T) {
tmpDir, err := ioutil.TempDir(os.TempDir(), "azureFileTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/azure-file")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plug.GetPluginName() != "kubernetes.io/azure-file" {
t.Errorf("Wrong name: %s", plug.GetPluginName())
}
if !plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{AzureFile: &v1.AzureFileVolumeSource{}}}}) {
t.Errorf("Expected true")
}
if !plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{PersistentVolumeSource: v1.PersistentVolumeSource{AzureFile: &v1.AzureFilePersistentVolumeSource{}}}}}) {
t.Errorf("Expected true")
}
}
func TestGetAccessModes(t *testing.T) {
tmpDir, err := ioutil.TempDir(os.TempDir(), "azureFileTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPersistentPluginByName("kubernetes.io/azure-file")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if !volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadWriteOnce) || !volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadOnlyMany) || !volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadWriteMany) {
t.Errorf("Expected three AccessModeTypes: %s, %s, and %s", v1.ReadWriteOnce, v1.ReadOnlyMany, v1.ReadWriteMany)
}
}
func getAzureTestCloud(t *testing.T) *azure.Cloud {
config := `{
"aadClientId": "--aad-client-id--",
"aadClientSecret": "--aad-client-secret--"
}`
configReader := strings.NewReader(config)
cloud, err := azure.NewCloud(configReader)
if err != nil {
t.Error(err)
}
azureCloud, ok := cloud.(*azure.Cloud)
if !ok {
t.Error("NewCloud returned incorrect type")
}
return azureCloud
}
func getTestTempDir(t *testing.T) string {
tmpDir, err := ioutil.TempDir(os.TempDir(), "azurefileTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
return tmpDir
}
func TestPluginAzureCloudProvider(t *testing.T) {
tmpDir := getTestTempDir(t)
defer os.RemoveAll(tmpDir)
testPlugin(t, tmpDir, volumetest.NewFakeVolumeHostWithCloudProvider(tmpDir, nil, nil, getAzureTestCloud(t)))
}
func TestPluginWithoutCloudProvider(t *testing.T) {
tmpDir := getTestTempDir(t)
defer os.RemoveAll(tmpDir)
testPlugin(t, tmpDir, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
}
func TestPluginWithOtherCloudProvider(t *testing.T) {
tmpDir := getTestTempDir(t)
defer os.RemoveAll(tmpDir)
cloud := &fakecloud.FakeCloud{}
testPlugin(t, tmpDir, volumetest.NewFakeVolumeHostWithCloudProvider(tmpDir, nil, nil, cloud))
}
func testPlugin(t *testing.T, tmpDir string, volumeHost volume.VolumeHost) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumeHost)
plug, err := plugMgr.FindPluginByName("kubernetes.io/azure-file")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
spec := &v1.Volume{
Name: "vol1",
VolumeSource: v1.VolumeSource{
AzureFile: &v1.AzureFileVolumeSource{
SecretName: "secret",
ShareName: "share",
},
},
}
fake := &mount.FakeMounter{}
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
mounter, err := plug.(*azureFilePlugin).newMounterInternal(volume.NewSpecFromVolume(spec), pod, &fakeAzureSvc{}, fake)
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Errorf("Got a nil Mounter")
}
volPath := filepath.Join(tmpDir, "pods/poduid/volumes/kubernetes.io~azure-file/vol1")
path := mounter.GetPath()
if path != volPath {
t.Errorf("Got unexpected path: %s", path)
}
if err := mounter.SetUp(nil); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", path)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
unmounter, err := plug.(*azureFilePlugin).newUnmounterInternal("vol1", types.UID("poduid"), &mount.FakeMounter{})
if err != nil {
t.Errorf("Failed to make a new Unmounter: %v", err)
}
if unmounter == nil {
t.Errorf("Got a nil Unmounter")
}
if err := unmounter.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err == nil {
t.Errorf("TearDown() failed, volume path still exists: %s", path)
} else if !os.IsNotExist(err) {
t.Errorf("TearDown() failed: %v", err)
}
}
func TestPersistentClaimReadOnlyFlag(t *testing.T) {
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: "pvA",
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
AzureFile: &v1.AzureFilePersistentVolumeSource{},
},
ClaimRef: &v1.ObjectReference{
Name: "claimA",
},
},
}
claim := &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: "claimA",
Namespace: "nsA",
},
Spec: v1.PersistentVolumeClaimSpec{
VolumeName: "pvA",
},
Status: v1.PersistentVolumeClaimStatus{
Phase: v1.ClaimBound,
},
}
client := fake.NewSimpleClientset(pv, claim)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost("/tmp/fake", client, nil))
plug, _ := plugMgr.FindPluginByName(azureFilePluginName)
// readOnly bool is supplied by persistent-claim volume source when its mounter creates other volumes
spec := volume.NewSpecFromPersistentVolume(pv, true)
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
mounter, _ := plug.NewMounter(spec, pod, volume.VolumeOptions{})
if mounter == nil {
t.Fatalf("Got a nil Mounter")
}
if !mounter.GetAttributes().ReadOnly {
t.Errorf("Expected true for mounter.IsReadOnly")
}
}
type fakeAzureSvc struct{}
func (s *fakeAzureSvc) GetAzureCredentials(host volume.VolumeHost, nameSpace, secretName string) (string, string, error) {
return "name", "key", nil
}
func (s *fakeAzureSvc) SetAzureCredentials(host volume.VolumeHost, nameSpace, accountName, accountKey string) (string, error) {
return "secret", nil
}
func TestMounterAndUnmounterTypeAssert(t *testing.T) {
tmpDir, err := ioutil.TempDir(os.TempDir(), "azurefileTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/azure-file")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
spec := &v1.Volume{
Name: "vol1",
VolumeSource: v1.VolumeSource{
AzureFile: &v1.AzureFileVolumeSource{
SecretName: "secret",
ShareName: "share",
},
},
}
fake := &mount.FakeMounter{}
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
mounter, err := plug.(*azureFilePlugin).newMounterInternal(volume.NewSpecFromVolume(spec), pod, &fakeAzureSvc{}, fake)
if _, ok := mounter.(volume.Unmounter); ok {
t.Errorf("Volume Mounter can be type-assert to Unmounter")
}
unmounter, err := plug.(*azureFilePlugin).newUnmounterInternal("vol1", types.UID("poduid"), &mount.FakeMounter{})
if _, ok := unmounter.(volume.Mounter); ok {
t.Errorf("Volume Unmounter can be type-assert to Mounter")
}
}
type testcase struct {
name string
defaultNs string
spec *volume.Spec
// Expected return of the test
expectedName string
expectedNs string
expectedError error
}
func TestGetSecretNameAndNamespaceForPV(t *testing.T) {
secretNs := "ns"
tests := []testcase{
{
name: "persistent volume source",
defaultNs: "default",
spec: &volume.Spec{
PersistentVolume: &v1.PersistentVolume{
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
AzureFile: &v1.AzureFilePersistentVolumeSource{
ShareName: "share",
SecretName: "name",
SecretNamespace: &secretNs,
},
},
},
},
},
expectedName: "name",
expectedNs: "ns",
expectedError: nil,
},
{
name: "persistent volume source without namespace",
defaultNs: "default",
spec: &volume.Spec{
PersistentVolume: &v1.PersistentVolume{
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
AzureFile: &v1.AzureFilePersistentVolumeSource{
ShareName: "share",
SecretName: "name",
},
},
},
},
},
expectedName: "name",
expectedNs: "default",
expectedError: nil,
},
{
name: "pod volume source",
defaultNs: "default",
spec: &volume.Spec{
Volume: &v1.Volume{
VolumeSource: v1.VolumeSource{
AzureFile: &v1.AzureFileVolumeSource{
ShareName: "share",
SecretName: "name",
},
},
},
},
expectedName: "name",
expectedNs: "default",
expectedError: nil,
},
}
for _, testcase := range tests {
resultName, resultNs, err := getSecretNameAndNamespace(testcase.spec, testcase.defaultNs)
if err != testcase.expectedError || resultName != testcase.expectedName || resultNs != testcase.expectedNs {
t.Errorf("%s failed: expected err=%v ns=%q name=%q, got %v/%q/%q", testcase.name, testcase.expectedError, testcase.expectedNs, testcase.expectedName,
err, resultNs, resultName)
}
}
}
func TestAppendDefaultMountOptions(t *testing.T) {
tests := []struct {
options []string
fsGroup *int64
expected []string
}{
{
options: []string{"dir_mode=0777"},
fsGroup: nil,
expected: []string{"dir_mode=0777",
fmt.Sprintf("%s=%s", fileMode, defaultFileMode),
fmt.Sprintf("%s=%s", vers, defaultVers)},
},
{
options: []string{"file_mode=0777"},
fsGroup: to.Int64Ptr(0),
expected: []string{"file_mode=0777",
fmt.Sprintf("%s=%s", dirMode, defaultDirMode),
fmt.Sprintf("%s=%s", vers, defaultVers),
fmt.Sprintf("%s=0", gid)},
},
{
options: []string{"vers=2.1"},
fsGroup: to.Int64Ptr(1000),
expected: []string{"vers=2.1",
fmt.Sprintf("%s=%s", fileMode, defaultFileMode),
fmt.Sprintf("%s=%s", dirMode, defaultDirMode),
fmt.Sprintf("%s=1000", gid)},
},
{
options: []string{""},
expected: []string{"", fmt.Sprintf("%s=%s",
fileMode, defaultFileMode),
fmt.Sprintf("%s=%s", dirMode, defaultDirMode),
fmt.Sprintf("%s=%s", vers, defaultVers)},
},
{
options: []string{"file_mode=0777", "dir_mode=0777"},
expected: []string{"file_mode=0777", "dir_mode=0777", fmt.Sprintf("%s=%s", vers, defaultVers)},
},
{
options: []string{"gid=2000"},
fsGroup: to.Int64Ptr(1000),
expected: []string{"gid=2000",
fmt.Sprintf("%s=%s", fileMode, defaultFileMode),
fmt.Sprintf("%s=%s", dirMode, defaultDirMode),
"vers=3.0"},
},
}
for _, test := range tests {
result := appendDefaultMountOptions(test.options, test.fsGroup)
if !reflect.DeepEqual(result, test.expected) {
t.Errorf("input: %q, appendDefaultMountOptions result: %q, expected: %q", test.options, result, test.expected)
}
}
}

218
vendor/k8s.io/kubernetes/pkg/volume/azure_file/azure_provision.go generated vendored
View File

@ -1,218 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_file
import (
"fmt"
"strings"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/kubernetes/pkg/cloudprovider"
"k8s.io/kubernetes/pkg/cloudprovider/providers/azure"
utilstrings "k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
)
var _ volume.DeletableVolumePlugin = &azureFilePlugin{}
var _ volume.ProvisionableVolumePlugin = &azureFilePlugin{}
// Abstract interface to file share operations.
// azure cloud provider should implement it
type azureCloudProvider interface {
// create a file share
CreateFileShare(shareName, accountName, accountType, location string, requestGiB int) (string, string, error)
// delete a file share
DeleteFileShare(accountName, accountKey, shareName string) error
// resize a file share
ResizeFileShare(accountName, accountKey, name string, sizeGiB int) error
}
type azureFileDeleter struct {
*azureFile
accountName, accountKey, shareName string
azureProvider azureCloudProvider
}
func (plugin *azureFilePlugin) NewDeleter(spec *volume.Spec) (volume.Deleter, error) {
azure, err := getAzureCloudProvider(plugin.host.GetCloudProvider())
if err != nil {
glog.V(4).Infof("failed to get azure provider")
return nil, err
}
return plugin.newDeleterInternal(spec, &azureSvc{}, azure)
}
func (plugin *azureFilePlugin) newDeleterInternal(spec *volume.Spec, util azureUtil, azure azureCloudProvider) (volume.Deleter, error) {
if spec.PersistentVolume != nil && spec.PersistentVolume.Spec.AzureFile == nil {
return nil, fmt.Errorf("invalid PV spec")
}
secretName, secretNamespace, err := getSecretNameAndNamespace(spec, spec.PersistentVolume.Spec.ClaimRef.Namespace)
if err != nil {
return nil, err
}
shareName := spec.PersistentVolume.Spec.AzureFile.ShareName
if accountName, accountKey, err := util.GetAzureCredentials(plugin.host, secretNamespace, secretName); err != nil {
return nil, err
} else {
return &azureFileDeleter{
azureFile: &azureFile{
volName: spec.Name(),
plugin: plugin,
},
shareName: shareName,
accountName: accountName,
accountKey: accountKey,
azureProvider: azure,
}, nil
}
}
func (plugin *azureFilePlugin) NewProvisioner(options volume.VolumeOptions) (volume.Provisioner, error) {
azure, err := getAzureCloudProvider(plugin.host.GetCloudProvider())
if err != nil {
glog.V(4).Infof("failed to get azure provider")
return nil, err
}
if len(options.PVC.Spec.AccessModes) == 0 {
options.PVC.Spec.AccessModes = plugin.GetAccessModes()
}
return plugin.newProvisionerInternal(options, azure)
}
func (plugin *azureFilePlugin) newProvisionerInternal(options volume.VolumeOptions, azure azureCloudProvider) (volume.Provisioner, error) {
return &azureFileProvisioner{
azureFile: &azureFile{
plugin: plugin,
},
azureProvider: azure,
util: &azureSvc{},
options: options,
}, nil
}
var _ volume.Deleter = &azureFileDeleter{}
func (f *azureFileDeleter) GetPath() string {
name := azureFilePluginName
return f.plugin.host.GetPodVolumeDir(f.podUID, utilstrings.EscapeQualifiedNameForDisk(name), f.volName)
}
func (f *azureFileDeleter) Delete() error {
glog.V(4).Infof("deleting volume %s", f.shareName)
return f.azureProvider.DeleteFileShare(f.accountName, f.accountKey, f.shareName)
}
type azureFileProvisioner struct {
*azureFile
azureProvider azureCloudProvider
util azureUtil
options volume.VolumeOptions
}
var _ volume.Provisioner = &azureFileProvisioner{}
func (a *azureFileProvisioner) Provision(selectedNode *v1.Node, allowedTopologies []v1.TopologySelectorTerm) (*v1.PersistentVolume, error) {
if !util.AccessModesContainedInAll(a.plugin.GetAccessModes(), a.options.PVC.Spec.AccessModes) {
return nil, fmt.Errorf("invalid AccessModes %v: only AccessModes %v are supported", a.options.PVC.Spec.AccessModes, a.plugin.GetAccessModes())
}
if util.CheckPersistentVolumeClaimModeBlock(a.options.PVC) {
return nil, fmt.Errorf("%s does not support block volume provisioning", a.plugin.GetPluginName())
}
var sku, location, account string
// File share name has a length limit of 63, and it cannot contain two consecutive '-'s.
name := util.GenerateVolumeName(a.options.ClusterName, a.options.PVName, 63)
name = strings.Replace(name, "--", "-", -1)
capacity := a.options.PVC.Spec.Resources.Requests[v1.ResourceName(v1.ResourceStorage)]
requestBytes := capacity.Value()
requestGiB := int(util.RoundUpSize(requestBytes, 1024*1024*1024))
secretNamespace := a.options.PVC.Namespace
// Apply ProvisionerParameters (case-insensitive). We leave validation of
// the values to the cloud provider.
for k, v := range a.options.Parameters {
switch strings.ToLower(k) {
case "skuname":
sku = v
case "location":
location = v
case "storageaccount":
account = v
case "secretnamespace":
secretNamespace = v
default:
return nil, fmt.Errorf("invalid option %q for volume plugin %s", k, a.plugin.GetPluginName())
}
}
// TODO: implement c.options.ProvisionerSelector parsing
if a.options.PVC.Spec.Selector != nil {
return nil, fmt.Errorf("claim.Spec.Selector is not supported for dynamic provisioning on Azure file")
}
account, key, err := a.azureProvider.CreateFileShare(name, account, sku, location, requestGiB)
if err != nil {
return nil, err
}
// create a secret for storage account and key
secretName, err := a.util.SetAzureCredentials(a.plugin.host, secretNamespace, account, key)
if err != nil {
return nil, err
}
// create PV
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: a.options.PVName,
Labels: map[string]string{},
Annotations: map[string]string{
util.VolumeDynamicallyCreatedByKey: "azure-file-dynamic-provisioner",
},
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeReclaimPolicy: a.options.PersistentVolumeReclaimPolicy,
AccessModes: a.options.PVC.Spec.AccessModes,
Capacity: v1.ResourceList{
v1.ResourceName(v1.ResourceStorage): resource.MustParse(fmt.Sprintf("%dGi", requestGiB)),
},
PersistentVolumeSource: v1.PersistentVolumeSource{
AzureFile: &v1.AzureFilePersistentVolumeSource{
SecretName: secretName,
ShareName: name,
SecretNamespace: &secretNamespace,
},
},
MountOptions: a.options.MountOptions,
},
}
return pv, nil
}
// Return cloud provider
func getAzureCloudProvider(cloudProvider cloudprovider.Interface) (azureCloudProvider, error) {
azureCloudProvider, ok := cloudProvider.(*azure.Cloud)
if !ok || azureCloudProvider == nil {
return nil, fmt.Errorf("Failed to get Azure Cloud Provider. GetCloudProvider returned %v instead", cloudProvider)
}
return azureCloudProvider, nil
}

138
vendor/k8s.io/kubernetes/pkg/volume/azure_file/azure_util.go generated vendored
View File

@ -1,138 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package azure_file
import (
"fmt"
"strings"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/kubernetes/pkg/volume"
)
const (
fileMode = "file_mode"
dirMode = "dir_mode"
gid = "gid"
vers = "vers"
defaultFileMode = "0755"
defaultDirMode = "0755"
defaultVers = "3.0"
)
// Abstract interface to azure file operations.
type azureUtil interface {
GetAzureCredentials(host volume.VolumeHost, nameSpace, secretName string) (string, string, error)
SetAzureCredentials(host volume.VolumeHost, nameSpace, accountName, accountKey string) (string, error)
}
type azureSvc struct{}
func (s *azureSvc) GetAzureCredentials(host volume.VolumeHost, nameSpace, secretName string) (string, string, error) {
var accountKey, accountName string
kubeClient := host.GetKubeClient()
if kubeClient == nil {
return "", "", fmt.Errorf("Cannot get kube client")
}
keys, err := kubeClient.CoreV1().Secrets(nameSpace).Get(secretName, metav1.GetOptions{})
if err != nil {
return "", "", fmt.Errorf("Couldn't get secret %v/%v", nameSpace, secretName)
}
for name, data := range keys.Data {
if name == "azurestorageaccountname" {
accountName = string(data)
}
if name == "azurestorageaccountkey" {
accountKey = string(data)
}
}
if accountName == "" || accountKey == "" {
return "", "", fmt.Errorf("Invalid %v/%v, couldn't extract azurestorageaccountname or azurestorageaccountkey", nameSpace, secretName)
}
return accountName, accountKey, nil
}
func (s *azureSvc) SetAzureCredentials(host volume.VolumeHost, nameSpace, accountName, accountKey string) (string, error) {
kubeClient := host.GetKubeClient()
if kubeClient == nil {
return "", fmt.Errorf("Cannot get kube client")
}
secretName := "azure-storage-account-" + accountName + "-secret"
secret := &v1.Secret{
ObjectMeta: metav1.ObjectMeta{
Namespace: nameSpace,
Name: secretName,
},
Data: map[string][]byte{
"azurestorageaccountname": []byte(accountName),
"azurestorageaccountkey": []byte(accountKey),
},
Type: "Opaque",
}
_, err := kubeClient.CoreV1().Secrets(nameSpace).Create(secret)
if errors.IsAlreadyExists(err) {
err = nil
}
if err != nil {
return "", fmt.Errorf("Couldn't create secret %v", err)
}
return secretName, err
}
// check whether mountOptions contain file_mode, dir_mode, vers, gid, if not, append default mode
func appendDefaultMountOptions(mountOptions []string, fsGroup *int64) []string {
fileModeFlag := false
dirModeFlag := false
versFlag := false
gidFlag := false
for _, mountOption := range mountOptions {
if strings.HasPrefix(mountOption, fileMode) {
fileModeFlag = true
}
if strings.HasPrefix(mountOption, dirMode) {
dirModeFlag = true
}
if strings.HasPrefix(mountOption, vers) {
versFlag = true
}
if strings.HasPrefix(mountOption, gid) {
gidFlag = true
}
}
allMountOptions := mountOptions
if !fileModeFlag {
allMountOptions = append(allMountOptions, fmt.Sprintf("%s=%s", fileMode, defaultFileMode))
}
if !dirModeFlag {
allMountOptions = append(allMountOptions, fmt.Sprintf("%s=%s", dirMode, defaultDirMode))
}
if !versFlag {
allMountOptions = append(allMountOptions, fmt.Sprintf("%s=%s", vers, defaultVers))
}
if !gidFlag && fsGroup != nil {
allMountOptions = append(allMountOptions, fmt.Sprintf("%s=%d", gid, *fsGroup))
}
return allMountOptions
}

19
vendor/k8s.io/kubernetes/pkg/volume/azure_file/doc.go generated vendored
View File

@ -1,19 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package azure_file contains the internal representation of
// Azure File Service Volume
package azure_file // import "k8s.io/kubernetes/pkg/volume/azure_file"

53
vendor/k8s.io/kubernetes/pkg/volume/cephfs/BUILD generated vendored
View File

@ -1,53 +0,0 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_library(
name = "go_default_library",
srcs = [
"cephfs.go",
"doc.go",
],
importpath = "k8s.io/kubernetes/pkg/volume/cephfs",
deps = [
"//pkg/util/mount:go_default_library",
"//pkg/util/strings:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/util:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = ["cephfs_test.go"],
embed = [":go_default_library"],
deps = [
"//pkg/util/mount:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/testing:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/client-go/util/testing:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)

9
vendor/k8s.io/kubernetes/pkg/volume/cephfs/OWNERS generated vendored
View File

@ -1,9 +0,0 @@
approvers:
- rootfs
- saad-ali
reviewers:
- rootfs
- saad-ali
- jsafrane
- jingxu97
- msau42

463
vendor/k8s.io/kubernetes/pkg/volume/cephfs/cephfs.go generated vendored
View File

@ -1,463 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cephfs
import (
"fmt"
"os"
"os/exec"
"path"
"runtime"
"strings"
"github.com/golang/glog"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/util/mount"
utilstrings "k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
)
// This is the primary entrypoint for volume plugins.
func ProbeVolumePlugins() []volume.VolumePlugin {
return []volume.VolumePlugin{&cephfsPlugin{nil}}
}
type cephfsPlugin struct {
host volume.VolumeHost
}
var _ volume.VolumePlugin = &cephfsPlugin{}
const (
cephfsPluginName = "kubernetes.io/cephfs"
)
func (plugin *cephfsPlugin) Init(host volume.VolumeHost) error {
plugin.host = host
return nil
}
func (plugin *cephfsPlugin) GetPluginName() string {
return cephfsPluginName
}
func (plugin *cephfsPlugin) GetVolumeName(spec *volume.Spec) (string, error) {
mon, _, _, _, _, err := getVolumeSource(spec)
if err != nil {
return "", err
}
return fmt.Sprintf("%v", mon), nil
}
func (plugin *cephfsPlugin) CanSupport(spec *volume.Spec) bool {
return (spec.Volume != nil && spec.Volume.CephFS != nil) || (spec.PersistentVolume != nil && spec.PersistentVolume.Spec.CephFS != nil)
}
func (plugin *cephfsPlugin) RequiresRemount() bool {
return false
}
func (plugin *cephfsPlugin) SupportsMountOption() bool {
return true
}
func (plugin *cephfsPlugin) SupportsBulkVolumeVerification() bool {
return false
}
func (plugin *cephfsPlugin) GetAccessModes() []v1.PersistentVolumeAccessMode {
return []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
v1.ReadOnlyMany,
v1.ReadWriteMany,
}
}
func (plugin *cephfsPlugin) NewMounter(spec *volume.Spec, pod *v1.Pod, _ volume.VolumeOptions) (volume.Mounter, error) {
secretName, secretNs, err := getSecretNameAndNamespace(spec, pod.Namespace)
if err != nil {
return nil, err
}
secret := ""
if len(secretName) > 0 && len(secretNs) > 0 {
// if secret is provideded, retrieve it
kubeClient := plugin.host.GetKubeClient()
if kubeClient == nil {
return nil, fmt.Errorf("Cannot get kube client")
}
secrets, err := kubeClient.CoreV1().Secrets(secretNs).Get(secretName, metav1.GetOptions{})
if err != nil {
err = fmt.Errorf("Couldn't get secret %v/%v err: %v", secretNs, secretName, err)
return nil, err
}
for name, data := range secrets.Data {
secret = string(data)
glog.V(4).Infof("found ceph secret info: %s", name)
}
}
return plugin.newMounterInternal(spec, pod.UID, plugin.host.GetMounter(plugin.GetPluginName()), secret)
}
func (plugin *cephfsPlugin) newMounterInternal(spec *volume.Spec, podUID types.UID, mounter mount.Interface, secret string) (volume.Mounter, error) {
mon, path, id, secretFile, readOnly, err := getVolumeSource(spec)
if err != nil {
return nil, err
}
if id == "" {
id = "admin"
}
if path == "" {
path = "/"
}
if !strings.HasPrefix(path, "/") {
path = "/" + path
}
if secretFile == "" {
secretFile = "/etc/ceph/" + id + ".secret"
}
return &cephfsMounter{
cephfs: &cephfs{
podUID: podUID,
volName: spec.Name(),
mon: mon,
path: path,
secret: secret,
id: id,
secret_file: secretFile,
readonly: readOnly,
mounter: mounter,
plugin: plugin,
mountOptions: util.MountOptionFromSpec(spec),
},
}, nil
}
func (plugin *cephfsPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
return plugin.newUnmounterInternal(volName, podUID, plugin.host.GetMounter(plugin.GetPluginName()))
}
func (plugin *cephfsPlugin) newUnmounterInternal(volName string, podUID types.UID, mounter mount.Interface) (volume.Unmounter, error) {
return &cephfsUnmounter{
cephfs: &cephfs{
podUID: podUID,
volName: volName,
mounter: mounter,
plugin: plugin},
}, nil
}
func (plugin *cephfsPlugin) ConstructVolumeSpec(volumeName, mountPath string) (*volume.Spec, error) {
cephfsVolume := &v1.Volume{
Name: volumeName,
VolumeSource: v1.VolumeSource{
CephFS: &v1.CephFSVolumeSource{
Monitors: []string{},
Path: mountPath,
},
},
}
return volume.NewSpecFromVolume(cephfsVolume), nil
}
// CephFS volumes represent a bare host file or directory mount of an CephFS export.
type cephfs struct {
volName string
podUID types.UID
mon []string
path string
id string
secret string
secret_file string
readonly bool
mounter mount.Interface
plugin *cephfsPlugin
volume.MetricsNil
mountOptions []string
}
type cephfsMounter struct {
*cephfs
}
var _ volume.Mounter = &cephfsMounter{}
func (cephfsVolume *cephfsMounter) GetAttributes() volume.Attributes {
return volume.Attributes{
ReadOnly: cephfsVolume.readonly,
Managed: false,
SupportsSELinux: false,
}
}
// Checks prior to mount operations to verify that the required components (binaries, etc.)
// to mount the volume are available on the underlying node.
// If not, it returns an error
func (cephfsMounter *cephfsMounter) CanMount() error {
return nil
}
// SetUp attaches the disk and bind mounts to the volume path.
func (cephfsVolume *cephfsMounter) SetUp(fsGroup *int64) error {
return cephfsVolume.SetUpAt(cephfsVolume.GetPath(), fsGroup)
}
// SetUpAt attaches the disk and bind mounts to the volume path.
func (cephfsVolume *cephfsMounter) SetUpAt(dir string, fsGroup *int64) error {
notMnt, err := cephfsVolume.mounter.IsLikelyNotMountPoint(dir)
glog.V(4).Infof("CephFS mount set up: %s %v %v", dir, !notMnt, err)
if err != nil && !os.IsNotExist(err) {
return err
}
if !notMnt {
return nil
}
if err := os.MkdirAll(dir, 0750); err != nil {
return err
}
// check whether it belongs to fuse, if not, default to use kernel mount.
if cephfsVolume.checkFuseMount() {
glog.V(4).Info("CephFS fuse mount.")
err = cephfsVolume.execFuseMount(dir)
// cleanup no matter if fuse mount fail.
keyringPath := cephfsVolume.GetKeyringPath()
_, StatErr := os.Stat(keyringPath)
if !os.IsNotExist(StatErr) {
os.RemoveAll(keyringPath)
}
if err == nil {
// cephfs fuse mount succeeded.
return nil
} else {
// if cephfs fuse mount failed, fallback to kernel mount.
glog.V(4).Infof("CephFS fuse mount failed: %v, fallback to kernel mount.", err)
}
}
glog.V(4).Info("CephFS kernel mount.")
err = cephfsVolume.execMount(dir)
if err != nil {
// cleanup upon failure.
util.UnmountPath(dir, cephfsVolume.mounter)
return err
}
return nil
}
type cephfsUnmounter struct {
*cephfs
}
var _ volume.Unmounter = &cephfsUnmounter{}
// TearDown unmounts the bind mount
func (cephfsVolume *cephfsUnmounter) TearDown() error {
return cephfsVolume.TearDownAt(cephfsVolume.GetPath())
}
// TearDownAt unmounts the bind mount
func (cephfsVolume *cephfsUnmounter) TearDownAt(dir string) error {
return util.UnmountPath(dir, cephfsVolume.mounter)
}
// GetPath creates global mount path
func (cephfsVolume *cephfs) GetPath() string {
name := cephfsPluginName
return cephfsVolume.plugin.host.GetPodVolumeDir(cephfsVolume.podUID, utilstrings.EscapeQualifiedNameForDisk(name), cephfsVolume.volName)
}
// GetKeyringPath creates cephfuse keyring path
func (cephfsVolume *cephfs) GetKeyringPath() string {
name := cephfsPluginName
volumeDir := cephfsVolume.plugin.host.GetPodVolumeDir(cephfsVolume.podUID, utilstrings.EscapeQualifiedNameForDisk(name), cephfsVolume.volName)
volumeKeyringDir := volumeDir + "~keyring"
return volumeKeyringDir
}
func (cephfsVolume *cephfs) execMount(mountpoint string) error {
// cephfs mount option
ceph_opt := ""
// override secretfile if secret is provided
if cephfsVolume.secret != "" {
ceph_opt = "name=" + cephfsVolume.id + ",secret=" + cephfsVolume.secret
} else {
ceph_opt = "name=" + cephfsVolume.id + ",secretfile=" + cephfsVolume.secret_file
}
// build option array
opt := []string{}
if cephfsVolume.readonly {
opt = append(opt, "ro")
}
opt = append(opt, ceph_opt)
// build src like mon1:6789,mon2:6789,mon3:6789:/
hosts := cephfsVolume.mon
l := len(hosts)
// pass all monitors and let ceph randomize and fail over
i := 0
src := ""
for i = 0; i < l-1; i++ {
src += hosts[i] + ","
}
src += hosts[i] + ":" + cephfsVolume.path
mountOptions := util.JoinMountOptions(cephfsVolume.mountOptions, opt)
if err := cephfsVolume.mounter.Mount(src, mountpoint, "ceph", mountOptions); err != nil {
return fmt.Errorf("CephFS: mount failed: %v", err)
}
return nil
}
func (cephfsMounter *cephfsMounter) checkFuseMount() bool {
execute := cephfsMounter.plugin.host.GetExec(cephfsMounter.plugin.GetPluginName())
switch runtime.GOOS {
case "linux":
if _, err := execute.Run("/usr/bin/test", "-x", "/sbin/mount.fuse.ceph"); err == nil {
glog.V(4).Info("/sbin/mount.fuse.ceph exists, it should be fuse mount.")
return true
}
return false
}
return false
}
func (cephfsVolume *cephfs) execFuseMount(mountpoint string) error {
// cephfs keyring file
keyring_file := ""
// override secretfile if secret is provided
if cephfsVolume.secret != "" {
// TODO: cephfs fuse currently doesn't support secret option,
// remove keyring file create once secret option is supported.
glog.V(4).Info("cephfs mount begin using fuse.")
keyringPath := cephfsVolume.GetKeyringPath()
os.MkdirAll(keyringPath, 0750)
payload := make(map[string]util.FileProjection, 1)
var fileProjection util.FileProjection
keyring := fmt.Sprintf("[client.%s]\nkey = %s\n", cephfsVolume.id, cephfsVolume.secret)
fileProjection.Data = []byte(keyring)
fileProjection.Mode = int32(0644)
fileName := cephfsVolume.id + ".keyring"
payload[fileName] = fileProjection
writerContext := fmt.Sprintf("cephfuse:%v.keyring", cephfsVolume.id)
writer, err := util.NewAtomicWriter(keyringPath, writerContext)
if err != nil {
glog.Errorf("failed to create atomic writer: %v", err)
return err
}
err = writer.Write(payload)
if err != nil {
glog.Errorf("failed to write payload to dir: %v", err)
return err
}
keyring_file = path.Join(keyringPath, fileName)
} else {
keyring_file = cephfsVolume.secret_file
}
// build src like mon1:6789,mon2:6789,mon3:6789:/
hosts := cephfsVolume.mon
l := len(hosts)
// pass all monitors and let ceph randomize and fail over
i := 0
src := ""
for i = 0; i < l-1; i++ {
src += hosts[i] + ","
}
src += hosts[i]
mountArgs := []string{}
mountArgs = append(mountArgs, "-k")
mountArgs = append(mountArgs, keyring_file)
mountArgs = append(mountArgs, "-m")
mountArgs = append(mountArgs, src)
mountArgs = append(mountArgs, mountpoint)
mountArgs = append(mountArgs, "-r")
mountArgs = append(mountArgs, cephfsVolume.path)
mountArgs = append(mountArgs, "--id")
mountArgs = append(mountArgs, cephfsVolume.id)
glog.V(4).Infof("Mounting cmd ceph-fuse with arguments (%s)", mountArgs)
command := exec.Command("ceph-fuse", mountArgs...)
output, err := command.CombinedOutput()
if err != nil || !(strings.Contains(string(output), "starting fuse")) {
return fmt.Errorf("Ceph-fuse failed: %v\narguments: %s\nOutput: %s\n", err, mountArgs, string(output))
}
return nil
}
func getVolumeSource(spec *volume.Spec) ([]string, string, string, string, bool, error) {
if spec.Volume != nil && spec.Volume.CephFS != nil {
mon := spec.Volume.CephFS.Monitors
path := spec.Volume.CephFS.Path
user := spec.Volume.CephFS.User
secretFile := spec.Volume.CephFS.SecretFile
readOnly := spec.Volume.CephFS.ReadOnly
return mon, path, user, secretFile, readOnly, nil
} else if spec.PersistentVolume != nil &&
spec.PersistentVolume.Spec.CephFS != nil {
mon := spec.PersistentVolume.Spec.CephFS.Monitors
path := spec.PersistentVolume.Spec.CephFS.Path
user := spec.PersistentVolume.Spec.CephFS.User
secretFile := spec.PersistentVolume.Spec.CephFS.SecretFile
readOnly := spec.PersistentVolume.Spec.CephFS.ReadOnly
return mon, path, user, secretFile, readOnly, nil
}
return nil, "", "", "", false, fmt.Errorf("Spec does not reference a CephFS volume type")
}
func getSecretNameAndNamespace(spec *volume.Spec, defaultNamespace string) (string, string, error) {
if spec.Volume != nil && spec.Volume.CephFS != nil {
localSecretRef := spec.Volume.CephFS.SecretRef
if localSecretRef != nil {
return localSecretRef.Name, defaultNamespace, nil
}
return "", "", nil
} else if spec.PersistentVolume != nil &&
spec.PersistentVolume.Spec.CephFS != nil {
secretRef := spec.PersistentVolume.Spec.CephFS.SecretRef
secretNs := defaultNamespace
if secretRef != nil {
if len(secretRef.Namespace) != 0 {
secretNs = secretRef.Namespace
}
return secretRef.Name, secretNs, nil
}
return "", "", nil
}
return "", "", fmt.Errorf("Spec does not reference an CephFS volume type")
}

227
vendor/k8s.io/kubernetes/pkg/volume/cephfs/cephfs_test.go generated vendored
View File

@ -1,227 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cephfs
import (
"os"
"path"
"testing"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
func TestCanSupport(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("cephTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/cephfs")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plug.GetPluginName() != "kubernetes.io/cephfs" {
t.Errorf("Wrong name: %s", plug.GetPluginName())
}
if plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{}}}) {
t.Errorf("Expected false")
}
if !plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{CephFS: &v1.CephFSVolumeSource{}}}}) {
t.Errorf("Expected true")
}
}
func TestPlugin(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("cephTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/cephfs")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
spec := &v1.Volume{
Name: "vol1",
VolumeSource: v1.VolumeSource{
CephFS: &v1.CephFSVolumeSource{
Monitors: []string{"a", "b"},
User: "user",
SecretRef: nil,
SecretFile: "/etc/ceph/user.secret",
},
},
}
mounter, err := plug.(*cephfsPlugin).newMounterInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), &mount.FakeMounter{}, "secrets")
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Errorf("Got a nil Mounter")
}
volumePath := mounter.GetPath()
volpath := path.Join(tmpDir, "pods/poduid/volumes/kubernetes.io~cephfs/vol1")
if volumePath != volpath {
t.Errorf("Got unexpected path: %s", volumePath)
}
if err := mounter.SetUp(nil); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(volumePath); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", volumePath)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
unmounter, err := plug.(*cephfsPlugin).newUnmounterInternal("vol1", types.UID("poduid"), &mount.FakeMounter{})
if err != nil {
t.Errorf("Failed to make a new Unmounter: %v", err)
}
if unmounter == nil {
t.Errorf("Got a nil Unmounter")
}
if err := unmounter.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(volumePath); err == nil {
t.Errorf("TearDown() failed, volume path still exists: %s", volumePath)
} else if !os.IsNotExist(err) {
t.Errorf("TearDown() failed: %v", err)
}
}
func TestConstructVolumeSpec(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("cephTest")
if err != nil {
t.Fatalf("Can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/cephfs")
if err != nil {
t.Errorf("can't find cephfs plugin by name")
}
cephfsSpec, err := plug.(*cephfsPlugin).ConstructVolumeSpec("cephfsVolume", "/cephfsVolume/")
if cephfsSpec.Name() != "cephfsVolume" {
t.Errorf("Get wrong cephfs spec name, got: %s", cephfsSpec.Name())
}
}
type testcase struct {
name string
defaultNs string
spec *volume.Spec
// Expected return of the test
expectedName string
expectedNs string
expectedError error
}
func TestGetSecretNameAndNamespaceForPV(t *testing.T) {
tests := []testcase{
{
name: "persistent volume source",
defaultNs: "default",
spec: &volume.Spec{
PersistentVolume: &v1.PersistentVolume{
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
CephFS: &v1.CephFSPersistentVolumeSource{
Monitors: []string{"a", "b"},
User: "user",
SecretRef: &v1.SecretReference{
Name: "name",
Namespace: "ns",
},
SecretFile: "/etc/ceph/user.secret",
},
},
},
},
},
expectedName: "name",
expectedNs: "ns",
expectedError: nil,
},
{
name: "persistent volume source without namespace",
defaultNs: "default",
spec: &volume.Spec{
PersistentVolume: &v1.PersistentVolume{
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
CephFS: &v1.CephFSPersistentVolumeSource{
Monitors: []string{"a", "b"},
User: "user",
SecretRef: &v1.SecretReference{
Name: "name",
},
SecretFile: "/etc/ceph/user.secret",
},
},
},
},
},
expectedName: "name",
expectedNs: "default",
expectedError: nil,
},
{
name: "pod volume source",
defaultNs: "default",
spec: &volume.Spec{
Volume: &v1.Volume{
VolumeSource: v1.VolumeSource{
CephFS: &v1.CephFSVolumeSource{
Monitors: []string{"a", "b"},
User: "user",
SecretRef: &v1.LocalObjectReference{
Name: "name",
},
SecretFile: "/etc/ceph/user.secret",
},
},
},
},
expectedName: "name",
expectedNs: "default",
expectedError: nil,
},
}
for _, testcase := range tests {
resultName, resultNs, err := getSecretNameAndNamespace(testcase.spec, testcase.defaultNs)
if err != testcase.expectedError || resultName != testcase.expectedName || resultNs != testcase.expectedNs {
t.Errorf("%s failed: expected err=%v ns=%q name=%q, got %v/%q/%q", testcase.name, testcase.expectedError, testcase.expectedNs, testcase.expectedName,
err, resultNs, resultName)
}
}
}

19
vendor/k8s.io/kubernetes/pkg/volume/cephfs/doc.go generated vendored
View File

@ -1,19 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package nfs contains the internal representation of Ceph file system
// (CephFS) volumes.
package cephfs // import "k8s.io/kubernetes/pkg/volume/cephfs"

70
vendor/k8s.io/kubernetes/pkg/volume/cinder/BUILD generated vendored
View File

@ -1,70 +0,0 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_library(
name = "go_default_library",
srcs = [
"attacher.go",
"cinder.go",
"cinder_util.go",
"doc.go",
],
importpath = "k8s.io/kubernetes/pkg/volume/cinder",
deps = [
"//pkg/cloudprovider:go_default_library",
"//pkg/cloudprovider/providers/openstack:go_default_library",
"//pkg/kubelet/apis:go_default_library",
"//pkg/util/keymutex:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/util/strings:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/util:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/resource:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/sets:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/wait:go_default_library",
"//vendor/k8s.io/client-go/kubernetes:go_default_library",
"//vendor/k8s.io/utils/exec:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = [
"attacher_test.go",
"cinder_test.go",
],
embed = [":go_default_library"],
deps = [
"//pkg/cloudprovider:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/testing:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/resource:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/client-go/util/testing:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)

13
vendor/k8s.io/kubernetes/pkg/volume/cinder/OWNERS generated vendored
View File

@ -1,13 +0,0 @@
approvers:
- jsafrane
- anguslees
- dims
- FengyunPan2
reviewers:
- anguslees
- rootfs
- saad-ali
- jsafrane
- jingxu97
- msau42
- FengyunPan2

408
vendor/k8s.io/kubernetes/pkg/volume/cinder/attacher.go generated vendored
View File

@ -1,408 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cinder
import (
"context"
"fmt"
"os"
"path"
"strings"
"time"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
volumeutil "k8s.io/kubernetes/pkg/volume/util"
)
type cinderDiskAttacher struct {
host volume.VolumeHost
cinderProvider BlockStorageProvider
}
var _ volume.Attacher = &cinderDiskAttacher{}
var _ volume.AttachableVolumePlugin = &cinderPlugin{}
const (
probeVolumeInitDelay = 1 * time.Second
probeVolumeFactor = 2.0
operationFinishInitDelay = 1 * time.Second
operationFinishFactor = 1.1
operationFinishSteps = 10
diskAttachInitDelay = 1 * time.Second
diskAttachFactor = 1.2
diskAttachSteps = 15
diskDetachInitDelay = 1 * time.Second
diskDetachFactor = 1.2
diskDetachSteps = 13
)
func (plugin *cinderPlugin) NewAttacher() (volume.Attacher, error) {
cinder, err := plugin.getCloudProvider()
if err != nil {
return nil, err
}
return &cinderDiskAttacher{
host: plugin.host,
cinderProvider: cinder,
}, nil
}
func (plugin *cinderPlugin) GetDeviceMountRefs(deviceMountPath string) ([]string, error) {
mounter := plugin.host.GetMounter(plugin.GetPluginName())
return mount.GetMountRefs(mounter, deviceMountPath)
}
func (attacher *cinderDiskAttacher) waitOperationFinished(volumeID string) error {
backoff := wait.Backoff{
Duration: operationFinishInitDelay,
Factor: operationFinishFactor,
Steps: operationFinishSteps,
}
var volumeStatus string
err := wait.ExponentialBackoff(backoff, func() (bool, error) {
var pending bool
var err error
pending, volumeStatus, err = attacher.cinderProvider.OperationPending(volumeID)
if err != nil {
return false, err
}
return !pending, nil
})
if err == wait.ErrWaitTimeout {
err = fmt.Errorf("Volume %q is %s, can't finish within the alloted time", volumeID, volumeStatus)
}
return err
}
func (attacher *cinderDiskAttacher) waitDiskAttached(instanceID, volumeID string) error {
backoff := wait.Backoff{
Duration: diskAttachInitDelay,
Factor: diskAttachFactor,
Steps: diskAttachSteps,
}
err := wait.ExponentialBackoff(backoff, func() (bool, error) {
attached, err := attacher.cinderProvider.DiskIsAttached(instanceID, volumeID)
if err != nil {
return false, err
}
return attached, nil
})
if err == wait.ErrWaitTimeout {
err = fmt.Errorf("Volume %q failed to be attached within the alloted time", volumeID)
}
return err
}
func (attacher *cinderDiskAttacher) Attach(spec *volume.Spec, nodeName types.NodeName) (string, error) {
volumeID, _, _, err := getVolumeInfo(spec)
if err != nil {
return "", err
}
instanceID, err := attacher.nodeInstanceID(nodeName)
if err != nil {
return "", err
}
if err := attacher.waitOperationFinished(volumeID); err != nil {
return "", err
}
attached, err := attacher.cinderProvider.DiskIsAttached(instanceID, volumeID)
if err != nil {
// Log error and continue with attach
glog.Warningf(
"Error checking if volume (%q) is already attached to current instance (%q). Will continue and try attach anyway. err=%v",
volumeID, instanceID, err)
}
if err == nil && attached {
// Volume is already attached to instance.
glog.Infof("Attach operation is successful. volume %q is already attached to instance %q.", volumeID, instanceID)
} else {
_, err = attacher.cinderProvider.AttachDisk(instanceID, volumeID)
if err == nil {
if err = attacher.waitDiskAttached(instanceID, volumeID); err != nil {
glog.Errorf("Error waiting for volume %q to be attached from node %q: %v", volumeID, nodeName, err)
return "", err
}
glog.Infof("Attach operation successful: volume %q attached to instance %q.", volumeID, instanceID)
} else {
glog.Infof("Attach volume %q to instance %q failed with: %v", volumeID, instanceID, err)
return "", err
}
}
devicePath, err := attacher.cinderProvider.GetAttachmentDiskPath(instanceID, volumeID)
if err != nil {
glog.Infof("Can not get device path of volume %q which be attached to instance %q, failed with: %v", volumeID, instanceID, err)
return "", err
}
return devicePath, nil
}
func (attacher *cinderDiskAttacher) VolumesAreAttached(specs []*volume.Spec, nodeName types.NodeName) (map[*volume.Spec]bool, error) {
volumesAttachedCheck := make(map[*volume.Spec]bool)
volumeSpecMap := make(map[string]*volume.Spec)
volumeIDList := []string{}
for _, spec := range specs {
volumeID, _, _, err := getVolumeInfo(spec)
if err != nil {
glog.Errorf("Error getting volume (%q) source : %v", spec.Name(), err)
continue
}
volumeIDList = append(volumeIDList, volumeID)
volumesAttachedCheck[spec] = true
volumeSpecMap[volumeID] = spec
}
attachedResult, err := attacher.cinderProvider.DisksAreAttachedByName(nodeName, volumeIDList)
if err != nil {
// Log error and continue with attach
glog.Errorf(
"Error checking if Volumes (%v) are already attached to current node (%q). Will continue and try attach anyway. err=%v",
volumeIDList, nodeName, err)
return volumesAttachedCheck, err
}
for volumeID, attached := range attachedResult {
if !attached {
spec := volumeSpecMap[volumeID]
volumesAttachedCheck[spec] = false
glog.V(2).Infof("VolumesAreAttached: check volume %q (specName: %q) is no longer attached", volumeID, spec.Name())
}
}
return volumesAttachedCheck, nil
}
func (attacher *cinderDiskAttacher) WaitForAttach(spec *volume.Spec, devicePath string, _ *v1.Pod, timeout time.Duration) (string, error) {
// NOTE: devicePath is is path as reported by Cinder, which may be incorrect and should not be used. See Issue #33128
volumeID, _, _, err := getVolumeInfo(spec)
if err != nil {
return "", err
}
if devicePath == "" {
return "", fmt.Errorf("WaitForAttach failed for Cinder disk %q: devicePath is empty", volumeID)
}
ticker := time.NewTicker(probeVolumeInitDelay)
defer ticker.Stop()
timer := time.NewTimer(timeout)
defer timer.Stop()
duration := probeVolumeInitDelay
for {
select {
case <-ticker.C:
glog.V(5).Infof("Checking Cinder disk %q is attached.", volumeID)
probeAttachedVolume()
if !attacher.cinderProvider.ShouldTrustDevicePath() {
// Using the Cinder volume ID, find the real device path (See Issue #33128)
devicePath = attacher.cinderProvider.GetDevicePath(volumeID)
}
exists, err := volumeutil.PathExists(devicePath)
if exists && err == nil {
glog.Infof("Successfully found attached Cinder disk %q at %v.", volumeID, devicePath)
return devicePath, nil
}
// Log an error, and continue checking periodically
glog.Errorf("Error: could not find attached Cinder disk %q (path: %q): %v", volumeID, devicePath, err)
// Using exponential backoff instead of linear
ticker.Stop()
duration = time.Duration(float64(duration) * probeVolumeFactor)
ticker = time.NewTicker(duration)
case <-timer.C:
return "", fmt.Errorf("could not find attached Cinder disk %q. Timeout waiting for mount paths to be created", volumeID)
}
}
}
func (attacher *cinderDiskAttacher) GetDeviceMountPath(
spec *volume.Spec) (string, error) {
volumeID, _, _, err := getVolumeInfo(spec)
if err != nil {
return "", err
}
return makeGlobalPDName(attacher.host, volumeID), nil
}
// FIXME: this method can be further pruned.
func (attacher *cinderDiskAttacher) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string) error {
mounter := attacher.host.GetMounter(cinderVolumePluginName)
notMnt, err := mounter.IsLikelyNotMountPoint(deviceMountPath)
if err != nil {
if os.IsNotExist(err) {
if err := os.MkdirAll(deviceMountPath, 0750); err != nil {
return err
}
notMnt = true
} else {
return err
}
}
_, volumeFSType, readOnly, err := getVolumeInfo(spec)
if err != nil {
return err
}
options := []string{}
if readOnly {
options = append(options, "ro")
}
if notMnt {
diskMounter := volumeutil.NewSafeFormatAndMountFromHost(cinderVolumePluginName, attacher.host)
mountOptions := volumeutil.MountOptionFromSpec(spec, options...)
err = diskMounter.FormatAndMount(devicePath, deviceMountPath, volumeFSType, mountOptions)
if err != nil {
os.Remove(deviceMountPath)
return err
}
}
return nil
}
type cinderDiskDetacher struct {
mounter mount.Interface
cinderProvider BlockStorageProvider
}
var _ volume.Detacher = &cinderDiskDetacher{}
func (plugin *cinderPlugin) NewDetacher() (volume.Detacher, error) {
cinder, err := plugin.getCloudProvider()
if err != nil {
return nil, err
}
return &cinderDiskDetacher{
mounter: plugin.host.GetMounter(plugin.GetPluginName()),
cinderProvider: cinder,
}, nil
}
func (detacher *cinderDiskDetacher) waitOperationFinished(volumeID string) error {
backoff := wait.Backoff{
Duration: operationFinishInitDelay,
Factor: operationFinishFactor,
Steps: operationFinishSteps,
}
var volumeStatus string
err := wait.ExponentialBackoff(backoff, func() (bool, error) {
var pending bool
var err error
pending, volumeStatus, err = detacher.cinderProvider.OperationPending(volumeID)
if err != nil {
return false, err
}
return !pending, nil
})
if err == wait.ErrWaitTimeout {
err = fmt.Errorf("Volume %q is %s, can't finish within the alloted time", volumeID, volumeStatus)
}
return err
}
func (detacher *cinderDiskDetacher) waitDiskDetached(instanceID, volumeID string) error {
backoff := wait.Backoff{
Duration: diskDetachInitDelay,
Factor: diskDetachFactor,
Steps: diskDetachSteps,
}
err := wait.ExponentialBackoff(backoff, func() (bool, error) {
attached, err := detacher.cinderProvider.DiskIsAttached(instanceID, volumeID)
if err != nil {
return false, err
}
return !attached, nil
})
if err == wait.ErrWaitTimeout {
err = fmt.Errorf("Volume %q failed to detach within the alloted time", volumeID)
}
return err
}
func (detacher *cinderDiskDetacher) Detach(volumeName string, nodeName types.NodeName) error {
volumeID := path.Base(volumeName)
if err := detacher.waitOperationFinished(volumeID); err != nil {
return err
}
attached, instanceID, err := detacher.cinderProvider.DiskIsAttachedByName(nodeName, volumeID)
if err != nil {
// Log error and continue with detach
glog.Errorf(
"Error checking if volume (%q) is already attached to current node (%q). Will continue and try detach anyway. err=%v",
volumeID, nodeName, err)
}
if err == nil && !attached {
// Volume is already detached from node.
glog.Infof("detach operation was successful. volume %q is already detached from node %q.", volumeID, nodeName)
return nil
}
if err = detacher.cinderProvider.DetachDisk(instanceID, volumeID); err != nil {
glog.Errorf("Error detaching volume %q from node %q: %v", volumeID, nodeName, err)
return err
}
if err = detacher.waitDiskDetached(instanceID, volumeID); err != nil {
glog.Errorf("Error waiting for volume %q to detach from node %q: %v", volumeID, nodeName, err)
return err
}
glog.Infof("detached volume %q from node %q", volumeID, nodeName)
return nil
}
func (detacher *cinderDiskDetacher) UnmountDevice(deviceMountPath string) error {
return volumeutil.UnmountPath(deviceMountPath, detacher.mounter)
}
func (attacher *cinderDiskAttacher) nodeInstanceID(nodeName types.NodeName) (string, error) {
instances, res := attacher.cinderProvider.Instances()
if !res {
return "", fmt.Errorf("failed to list openstack instances")
}
instanceID, err := instances.InstanceID(context.TODO(), nodeName)
if err != nil {
return "", err
}
if ind := strings.LastIndex(instanceID, "/"); ind >= 0 {
instanceID = instanceID[(ind + 1):]
}
return instanceID, nil
}

745
vendor/k8s.io/kubernetes/pkg/volume/cinder/attacher_test.go generated vendored
View File

@ -1,745 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cinder
import (
"context"
"errors"
"reflect"
"testing"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/kubernetes/pkg/cloudprovider"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
"fmt"
"sort"
"github.com/golang/glog"
"k8s.io/apimachinery/pkg/types"
)
const (
VolumeStatusPending = "pending"
VolumeStatusDone = "done"
)
var attachStatus = "Attach"
var detachStatus = "Detach"
func TestGetDeviceName_Volume(t *testing.T) {
plugin := newPlugin()
name := "my-cinder-volume"
spec := createVolSpec(name, false)
deviceName, err := plugin.GetVolumeName(spec)
if err != nil {
t.Errorf("GetDeviceName error: %v", err)
}
if deviceName != name {
t.Errorf("GetDeviceName error: expected %s, got %s", name, deviceName)
}
}
func TestGetDeviceName_PersistentVolume(t *testing.T) {
plugin := newPlugin()
name := "my-cinder-pv"
spec := createPVSpec(name, true)
deviceName, err := plugin.GetVolumeName(spec)
if err != nil {
t.Errorf("GetDeviceName error: %v", err)
}
if deviceName != name {
t.Errorf("GetDeviceName error: expected %s, got %s", name, deviceName)
}
}
func TestGetDeviceMountPath(t *testing.T) {
name := "cinder-volume-id"
spec := createVolSpec(name, false)
rootDir := "/var/lib/kubelet/"
host := volumetest.NewFakeVolumeHost(rootDir, nil, nil)
attacher := &cinderDiskAttacher{
host: host,
}
//test the path
path, err := attacher.GetDeviceMountPath(spec)
if err != nil {
t.Errorf("Get device mount path error")
}
expectedPath := rootDir + "plugins/kubernetes.io/cinder/mounts/" + name
if path != expectedPath {
t.Errorf("Device mount path error: expected %s, got %s ", expectedPath, path)
}
}
// One testcase for TestAttachDetach table test below
type testcase struct {
name string
// For fake GCE:
attach attachCall
detach detachCall
operationPending operationPendingCall
diskIsAttached diskIsAttachedCall
disksAreAttached disksAreAttachedCall
diskPath diskPathCall
t *testing.T
attachOrDetach *string
instanceID string
// Actual test to run
test func(test *testcase) (string, error)
// Expected return of the test
expectedResult string
expectedError error
}
func TestAttachDetach(t *testing.T) {
volumeID := "disk"
instanceID := "instance"
pending := VolumeStatusPending
done := VolumeStatusDone
nodeName := types.NodeName("nodeName")
readOnly := false
spec := createVolSpec(volumeID, readOnly)
attachError := errors.New("Fake attach error")
detachError := errors.New("Fake detach error")
diskCheckError := errors.New("Fake DiskIsAttached error")
diskPathError := errors.New("Fake GetAttachmentDiskPath error")
disksCheckError := errors.New("Fake DisksAreAttached error")
operationFinishTimeout := errors.New("Fake waitOperationFinished error")
tests := []testcase{
// Successful Attach call
{
name: "Attach_Positive",
instanceID: instanceID,
operationPending: operationPendingCall{volumeID, false, done, nil},
diskIsAttached: diskIsAttachedCall{instanceID, nodeName, volumeID, false, nil},
attach: attachCall{instanceID, volumeID, "", nil},
diskPath: diskPathCall{instanceID, volumeID, "/dev/sda", nil},
test: func(testcase *testcase) (string, error) {
attacher := newAttacher(testcase)
return attacher.Attach(spec, nodeName)
},
expectedResult: "/dev/sda",
},
// Disk is already attached
{
name: "Attach_Positive_AlreadyAttached",
instanceID: instanceID,
operationPending: operationPendingCall{volumeID, false, done, nil},
diskIsAttached: diskIsAttachedCall{instanceID, nodeName, volumeID, true, nil},
diskPath: diskPathCall{instanceID, volumeID, "/dev/sda", nil},
test: func(testcase *testcase) (string, error) {
attacher := newAttacher(testcase)
return attacher.Attach(spec, nodeName)
},
expectedResult: "/dev/sda",
},
// Disk is attaching
{
name: "Attach_is_attaching",
instanceID: instanceID,
operationPending: operationPendingCall{volumeID, true, pending, operationFinishTimeout},
test: func(testcase *testcase) (string, error) {
attacher := newAttacher(testcase)
return attacher.Attach(spec, nodeName)
},
expectedError: operationFinishTimeout,
},
// Attach call fails
{
name: "Attach_Negative",
instanceID: instanceID,
operationPending: operationPendingCall{volumeID, false, done, nil},
diskIsAttached: diskIsAttachedCall{instanceID, nodeName, volumeID, false, diskCheckError},
attach: attachCall{instanceID, volumeID, "/dev/sda", attachError},
test: func(testcase *testcase) (string, error) {
attacher := newAttacher(testcase)
return attacher.Attach(spec, nodeName)
},
expectedError: attachError,
},
// GetAttachmentDiskPath call fails
{
name: "Attach_Negative_DiskPatchFails",
instanceID: instanceID,
operationPending: operationPendingCall{volumeID, false, done, nil},
diskIsAttached: diskIsAttachedCall{instanceID, nodeName, volumeID, false, nil},
attach: attachCall{instanceID, volumeID, "", nil},
diskPath: diskPathCall{instanceID, volumeID, "", diskPathError},
test: func(testcase *testcase) (string, error) {
attacher := newAttacher(testcase)
return attacher.Attach(spec, nodeName)
},
expectedError: diskPathError,
},
// Successful VolumesAreAttached call, attached
{
name: "VolumesAreAttached_Positive",
instanceID: instanceID,
disksAreAttached: disksAreAttachedCall{instanceID, nodeName, []string{volumeID}, map[string]bool{volumeID: true}, nil},
test: func(testcase *testcase) (string, error) {
attacher := newAttacher(testcase)
attachments, err := attacher.VolumesAreAttached([]*volume.Spec{spec}, nodeName)
return serializeAttachments(attachments), err
},
expectedResult: serializeAttachments(map[*volume.Spec]bool{spec: true}),
},
// Successful VolumesAreAttached call, not attached
{
name: "VolumesAreAttached_Negative",
instanceID: instanceID,
disksAreAttached: disksAreAttachedCall{instanceID, nodeName, []string{volumeID}, map[string]bool{volumeID: false}, nil},
test: func(testcase *testcase) (string, error) {
attacher := newAttacher(testcase)
attachments, err := attacher.VolumesAreAttached([]*volume.Spec{spec}, nodeName)
return serializeAttachments(attachments), err
},
expectedResult: serializeAttachments(map[*volume.Spec]bool{spec: false}),
},
// Treat as attached when DisksAreAttached call fails
{
name: "VolumesAreAttached_CinderFailed",
instanceID: instanceID,
disksAreAttached: disksAreAttachedCall{instanceID, nodeName, []string{volumeID}, nil, disksCheckError},
test: func(testcase *testcase) (string, error) {
attacher := newAttacher(testcase)
attachments, err := attacher.VolumesAreAttached([]*volume.Spec{spec}, nodeName)
return serializeAttachments(attachments), err
},
expectedResult: serializeAttachments(map[*volume.Spec]bool{spec: true}),
expectedError: disksCheckError,
},
// Detach succeeds
{
name: "Detach_Positive",
instanceID: instanceID,
operationPending: operationPendingCall{volumeID, false, done, nil},
diskIsAttached: diskIsAttachedCall{instanceID, nodeName, volumeID, true, nil},
detach: detachCall{instanceID, volumeID, nil},
test: func(testcase *testcase) (string, error) {
detacher := newDetacher(testcase)
return "", detacher.Detach(volumeID, nodeName)
},
},
// Disk is already detached
{
name: "Detach_Positive_AlreadyDetached",
instanceID: instanceID,
operationPending: operationPendingCall{volumeID, false, done, nil},
diskIsAttached: diskIsAttachedCall{instanceID, nodeName, volumeID, false, nil},
test: func(testcase *testcase) (string, error) {
detacher := newDetacher(testcase)
return "", detacher.Detach(volumeID, nodeName)
},
},
// Detach succeeds when DiskIsAttached fails
{
name: "Detach_Positive_CheckFails",
instanceID: instanceID,
operationPending: operationPendingCall{volumeID, false, done, nil},
diskIsAttached: diskIsAttachedCall{instanceID, nodeName, volumeID, false, diskCheckError},
detach: detachCall{instanceID, volumeID, nil},
test: func(testcase *testcase) (string, error) {
detacher := newDetacher(testcase)
return "", detacher.Detach(volumeID, nodeName)
},
},
// Detach fails
{
name: "Detach_Negative",
instanceID: instanceID,
operationPending: operationPendingCall{volumeID, false, done, nil},
diskIsAttached: diskIsAttachedCall{instanceID, nodeName, volumeID, false, diskCheckError},
detach: detachCall{instanceID, volumeID, detachError},
test: func(testcase *testcase) (string, error) {
detacher := newDetacher(testcase)
return "", detacher.Detach(volumeID, nodeName)
},
expectedError: detachError,
},
// // Disk is detaching
{
name: "Detach_Is_Detaching",
instanceID: instanceID,
operationPending: operationPendingCall{volumeID, true, pending, operationFinishTimeout},
test: func(testcase *testcase) (string, error) {
detacher := newDetacher(testcase)
return "", detacher.Detach(volumeID, nodeName)
},
expectedError: operationFinishTimeout,
},
}
for _, testcase := range tests {
testcase.t = t
attachOrDetach := ""
testcase.attachOrDetach = &attachOrDetach
result, err := testcase.test(&testcase)
if err != testcase.expectedError {
t.Errorf("%s failed: expected err=%q, got %q", testcase.name, testcase.expectedError, err)
}
if result != testcase.expectedResult {
t.Errorf("%s failed: expected result=%q, got %q", testcase.name, testcase.expectedResult, result)
}
}
}
type volumeAttachmentFlag struct {
volumeID string
attached bool
}
type volumeAttachmentFlags []volumeAttachmentFlag
func (va volumeAttachmentFlags) Len() int {
return len(va)
}
func (va volumeAttachmentFlags) Swap(i, j int) {
va[i], va[j] = va[j], va[i]
}
func (va volumeAttachmentFlags) Less(i, j int) bool {
if va[i].volumeID < va[j].volumeID {
return true
}
if va[i].volumeID > va[j].volumeID {
return false
}
return va[j].attached
}
func serializeAttachments(attachments map[*volume.Spec]bool) string {
var attachmentFlags volumeAttachmentFlags
for spec, attached := range attachments {
attachmentFlags = append(attachmentFlags, volumeAttachmentFlag{spec.Name(), attached})
}
sort.Sort(attachmentFlags)
return fmt.Sprint(attachmentFlags)
}
// newPlugin creates a new gcePersistentDiskPlugin with fake cloud, NewAttacher
// and NewDetacher won't work.
func newPlugin() *cinderPlugin {
host := volumetest.NewFakeVolumeHost("/tmp", nil, nil)
plugins := ProbeVolumePlugins()
plugin := plugins[0]
plugin.Init(host)
return plugin.(*cinderPlugin)
}
func newAttacher(testcase *testcase) *cinderDiskAttacher {
return &cinderDiskAttacher{
host: nil,
cinderProvider: testcase,
}
}
func newDetacher(testcase *testcase) *cinderDiskDetacher {
return &cinderDiskDetacher{
cinderProvider: testcase,
}
}
func createVolSpec(name string, readOnly bool) *volume.Spec {
return &volume.Spec{
Volume: &v1.Volume{
Name: name,
VolumeSource: v1.VolumeSource{
Cinder: &v1.CinderVolumeSource{
VolumeID: name,
ReadOnly: readOnly,
},
},
},
}
}
func createPVSpec(name string, readOnly bool) *volume.Spec {
return &volume.Spec{
PersistentVolume: &v1.PersistentVolume{
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
Cinder: &v1.CinderPersistentVolumeSource{
VolumeID: name,
ReadOnly: readOnly,
},
},
},
},
}
}
// Fake GCE implementation
type attachCall struct {
instanceID string
volumeID string
retDeviceName string
ret error
}
type detachCall struct {
instanceID string
devicePath string
ret error
}
type operationPendingCall struct {
diskName string
pending bool
volumeStatus string
ret error
}
type diskIsAttachedCall struct {
instanceID string
nodeName types.NodeName
volumeID string
isAttached bool
ret error
}
type diskPathCall struct {
instanceID string
volumeID string
retPath string
ret error
}
type disksAreAttachedCall struct {
instanceID string
nodeName types.NodeName
volumeIDs []string
areAttached map[string]bool
ret error
}
func (testcase *testcase) AttachDisk(instanceID, volumeID string) (string, error) {
expected := &testcase.attach
if expected.volumeID == "" && expected.instanceID == "" {
// testcase.attach looks uninitialized, test did not expect to call
// AttachDisk
testcase.t.Errorf("unexpected AttachDisk call")
return "", errors.New("unexpected AttachDisk call")
}
if expected.volumeID != volumeID {
testcase.t.Errorf("unexpected AttachDisk call: expected volumeID %s, got %s", expected.volumeID, volumeID)
return "", errors.New("unexpected AttachDisk call: wrong volumeID")
}
if expected.instanceID != instanceID {
testcase.t.Errorf("unexpected AttachDisk call: expected instanceID %s, got %s", expected.instanceID, instanceID)
return "", errors.New("unexpected AttachDisk call: wrong instanceID")
}
glog.V(4).Infof("AttachDisk call: %s, %s, returning %q, %v", volumeID, instanceID, expected.retDeviceName, expected.ret)
testcase.attachOrDetach = &attachStatus
return expected.retDeviceName, expected.ret
}
func (testcase *testcase) DetachDisk(instanceID, volumeID string) error {
expected := &testcase.detach
if expected.devicePath == "" && expected.instanceID == "" {
// testcase.detach looks uninitialized, test did not expect to call
// DetachDisk
testcase.t.Errorf("unexpected DetachDisk call")
return errors.New("unexpected DetachDisk call")
}
if expected.devicePath != volumeID {
testcase.t.Errorf("unexpected DetachDisk call: expected volumeID %s, got %s", expected.devicePath, volumeID)
return errors.New("unexpected DetachDisk call: wrong volumeID")
}
if expected.instanceID != instanceID {
testcase.t.Errorf("unexpected DetachDisk call: expected instanceID %s, got %s", expected.instanceID, instanceID)
return errors.New("unexpected DetachDisk call: wrong instanceID")
}
glog.V(4).Infof("DetachDisk call: %s, %s, returning %v", volumeID, instanceID, expected.ret)
testcase.attachOrDetach = &detachStatus
return expected.ret
}
func (testcase *testcase) OperationPending(diskName string) (bool, string, error) {
expected := &testcase.operationPending
if expected.volumeStatus == VolumeStatusPending {
glog.V(4).Infof("OperationPending call: %s, returning %v, %v, %v", diskName, expected.pending, expected.volumeStatus, expected.ret)
return true, expected.volumeStatus, expected.ret
}
glog.V(4).Infof("OperationPending call: %s, returning %v, %v, %v", diskName, expected.pending, expected.volumeStatus, expected.ret)
return false, expected.volumeStatus, expected.ret
}
func (testcase *testcase) DiskIsAttached(instanceID, volumeID string) (bool, error) {
expected := &testcase.diskIsAttached
// If testcase call DetachDisk*, return false
if *testcase.attachOrDetach == detachStatus {
return false, nil
}
// If testcase call AttachDisk*, return true
if *testcase.attachOrDetach == attachStatus {
return true, nil
}
if expected.volumeID == "" && expected.instanceID == "" {
// testcase.diskIsAttached looks uninitialized, test did not expect to
// call DiskIsAttached
testcase.t.Errorf("unexpected DiskIsAttached call")
return false, errors.New("unexpected DiskIsAttached call")
}
if expected.volumeID != volumeID {
testcase.t.Errorf("unexpected DiskIsAttached call: expected volumeID %s, got %s", expected.volumeID, volumeID)
return false, errors.New("unexpected DiskIsAttached call: wrong volumeID")
}
if expected.instanceID != instanceID {
testcase.t.Errorf("unexpected DiskIsAttached call: expected instanceID %s, got %s", expected.instanceID, instanceID)
return false, errors.New("unexpected DiskIsAttached call: wrong instanceID")
}
glog.V(4).Infof("DiskIsAttached call: %s, %s, returning %v, %v", volumeID, instanceID, expected.isAttached, expected.ret)
return expected.isAttached, expected.ret
}
func (testcase *testcase) GetAttachmentDiskPath(instanceID, volumeID string) (string, error) {
expected := &testcase.diskPath
if expected.volumeID == "" && expected.instanceID == "" {
// testcase.diskPath looks uninitialized, test did not expect to
// call GetAttachmentDiskPath
testcase.t.Errorf("unexpected GetAttachmentDiskPath call")
return "", errors.New("unexpected GetAttachmentDiskPath call")
}
if expected.volumeID != volumeID {
testcase.t.Errorf("unexpected GetAttachmentDiskPath call: expected volumeID %s, got %s", expected.volumeID, volumeID)
return "", errors.New("unexpected GetAttachmentDiskPath call: wrong volumeID")
}
if expected.instanceID != instanceID {
testcase.t.Errorf("unexpected GetAttachmentDiskPath call: expected instanceID %s, got %s", expected.instanceID, instanceID)
return "", errors.New("unexpected GetAttachmentDiskPath call: wrong instanceID")
}
glog.V(4).Infof("GetAttachmentDiskPath call: %s, %s, returning %v, %v", volumeID, instanceID, expected.retPath, expected.ret)
return expected.retPath, expected.ret
}
func (testcase *testcase) ShouldTrustDevicePath() bool {
return true
}
func (testcase *testcase) DiskIsAttachedByName(nodeName types.NodeName, volumeID string) (bool, string, error) {
expected := &testcase.diskIsAttached
instanceID := expected.instanceID
// If testcase call DetachDisk*, return false
if *testcase.attachOrDetach == detachStatus {
return false, instanceID, nil
}
// If testcase call AttachDisk*, return true
if *testcase.attachOrDetach == attachStatus {
return true, instanceID, nil
}
if expected.nodeName != nodeName {
testcase.t.Errorf("unexpected DiskIsAttachedByName call: expected nodename %s, got %s", expected.nodeName, nodeName)
return false, instanceID, errors.New("unexpected DiskIsAttachedByName call: wrong nodename")
}
if expected.volumeID == "" && expected.instanceID == "" {
// testcase.diskIsAttached looks uninitialized, test did not expect to
// call DiskIsAttached
testcase.t.Errorf("unexpected DiskIsAttachedByName call")
return false, instanceID, errors.New("unexpected DiskIsAttachedByName call")
}
if expected.volumeID != volumeID {
testcase.t.Errorf("unexpected DiskIsAttachedByName call: expected volumeID %s, got %s", expected.volumeID, volumeID)
return false, instanceID, errors.New("unexpected DiskIsAttachedByName call: wrong volumeID")
}
if expected.instanceID != instanceID {
testcase.t.Errorf("unexpected DiskIsAttachedByName call: expected instanceID %s, got %s", expected.instanceID, instanceID)
return false, instanceID, errors.New("unexpected DiskIsAttachedByName call: wrong instanceID")
}
glog.V(4).Infof("DiskIsAttachedByName call: %s, %s, returning %v, %v", volumeID, nodeName, expected.isAttached, expected.instanceID, expected.ret)
return expected.isAttached, expected.instanceID, expected.ret
}
func (testcase *testcase) CreateVolume(name string, size int, vtype, availability string, tags *map[string]string) (string, string, bool, error) {
return "", "", false, errors.New("Not implemented")
}
func (testcase *testcase) GetDevicePath(volumeID string) string {
return ""
}
func (testcase *testcase) InstanceID() (string, error) {
return testcase.instanceID, nil
}
func (testcase *testcase) ExpandVolume(volumeID string, oldSize resource.Quantity, newSize resource.Quantity) (resource.Quantity, error) {
return resource.Quantity{}, nil
}
func (testcase *testcase) DeleteVolume(volumeID string) error {
return errors.New("Not implemented")
}
func (testcase *testcase) GetAutoLabelsForPD(name string) (map[string]string, error) {
return map[string]string{}, errors.New("Not implemented")
}
func (testcase *testcase) Instances() (cloudprovider.Instances, bool) {
return &instances{testcase.instanceID}, true
}
func (testcase *testcase) DisksAreAttached(instanceID string, volumeIDs []string) (map[string]bool, error) {
expected := &testcase.disksAreAttached
areAttached := make(map[string]bool)
if len(expected.volumeIDs) == 0 && expected.instanceID == "" {
// testcase.volumeIDs looks uninitialized, test did not expect to call DisksAreAttached
testcase.t.Errorf("Unexpected DisksAreAttached call!")
return areAttached, errors.New("Unexpected DisksAreAttached call")
}
if !reflect.DeepEqual(expected.volumeIDs, volumeIDs) {
testcase.t.Errorf("Unexpected DisksAreAttached call: expected volumeIDs %v, got %v", expected.volumeIDs, volumeIDs)
return areAttached, errors.New("Unexpected DisksAreAttached call: wrong volumeID")
}
if expected.instanceID != instanceID {
testcase.t.Errorf("Unexpected DisksAreAttached call: expected instanceID %s, got %s", expected.instanceID, instanceID)
return areAttached, errors.New("Unexpected DisksAreAttached call: wrong instanceID")
}
glog.V(4).Infof("DisksAreAttached call: %v, %s, returning %v, %v", volumeIDs, instanceID, expected.areAttached, expected.ret)
return expected.areAttached, expected.ret
}
func (testcase *testcase) DisksAreAttachedByName(nodeName types.NodeName, volumeIDs []string) (map[string]bool, error) {
expected := &testcase.disksAreAttached
areAttached := make(map[string]bool)
instanceID := expected.instanceID
if expected.nodeName != nodeName {
testcase.t.Errorf("Unexpected DisksAreAttachedByName call: expected nodeName %s, got %s", expected.nodeName, nodeName)
return areAttached, errors.New("Unexpected DisksAreAttachedByName call: wrong nodename")
}
if len(expected.volumeIDs) == 0 && expected.instanceID == "" {
// testcase.volumeIDs looks uninitialized, test did not expect to call DisksAreAttached
testcase.t.Errorf("Unexpected DisksAreAttachedByName call!")
return areAttached, errors.New("Unexpected DisksAreAttachedByName call")
}
if !reflect.DeepEqual(expected.volumeIDs, volumeIDs) {
testcase.t.Errorf("Unexpected DisksAreAttachedByName call: expected volumeIDs %v, got %v", expected.volumeIDs, volumeIDs)
return areAttached, errors.New("Unexpected DisksAreAttachedByName call: wrong volumeID")
}
if expected.instanceID != instanceID {
testcase.t.Errorf("Unexpected DisksAreAttachedByName call: expected instanceID %s, got %s", expected.instanceID, instanceID)
return areAttached, errors.New("Unexpected DisksAreAttachedByName call: wrong instanceID")
}
glog.V(4).Infof("DisksAreAttachedByName call: %v, %s, returning %v, %v", volumeIDs, nodeName, expected.areAttached, expected.ret)
return expected.areAttached, expected.ret
}
// Implementation of fake cloudprovider.Instances
type instances struct {
instanceID string
}
func (instances *instances) NodeAddresses(ctx context.Context, name types.NodeName) ([]v1.NodeAddress, error) {
return []v1.NodeAddress{}, errors.New("Not implemented")
}
func (instances *instances) NodeAddressesByProviderID(ctx context.Context, providerID string) ([]v1.NodeAddress, error) {
return []v1.NodeAddress{}, errors.New("Not implemented")
}
func (instances *instances) InstanceID(ctx context.Context, name types.NodeName) (string, error) {
return instances.instanceID, nil
}
func (instances *instances) InstanceType(ctx context.Context, name types.NodeName) (string, error) {
return "", errors.New("Not implemented")
}
func (instances *instances) InstanceTypeByProviderID(ctx context.Context, providerID string) (string, error) {
return "", errors.New("Not implemented")
}
func (instances *instances) InstanceExistsByProviderID(ctx context.Context, providerID string) (bool, error) {
return false, errors.New("unimplemented")
}
func (instances *instances) InstanceShutdownByProviderID(ctx context.Context, providerID string) (bool, error) {
return false, errors.New("unimplemented")
}
func (instances *instances) List(filter string) ([]types.NodeName, error) {
return []types.NodeName{}, errors.New("Not implemented")
}
func (instances *instances) AddSSHKeyToAllInstances(ctx context.Context, user string, keyData []byte) error {
return cloudprovider.NotImplemented
}
func (instances *instances) CurrentNodeName(ctx context.Context, hostname string) (types.NodeName, error) {
return "", errors.New("Not implemented")
}

557
vendor/k8s.io/kubernetes/pkg/volume/cinder/cinder.go generated vendored
View File

@ -1,557 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cinder
import (
"errors"
"fmt"
"os"
"path"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/cloudprovider"
"k8s.io/kubernetes/pkg/cloudprovider/providers/openstack"
"k8s.io/kubernetes/pkg/util/keymutex"
"k8s.io/kubernetes/pkg/util/mount"
kstrings "k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
)
const (
// DefaultCloudConfigPath is the default path for cloud configuration
DefaultCloudConfigPath = "/etc/kubernetes/cloud-config"
)
// ProbeVolumePlugins is the primary entrypoint for volume plugins.
func ProbeVolumePlugins() []volume.VolumePlugin {
return []volume.VolumePlugin{&cinderPlugin{}}
}
// BlockStorageProvider is the interface for accessing cinder functionality.
type BlockStorageProvider interface {
AttachDisk(instanceID, volumeID string) (string, error)
DetachDisk(instanceID, volumeID string) error
DeleteVolume(volumeID string) error
CreateVolume(name string, size int, vtype, availability string, tags *map[string]string) (string, string, bool, error)
GetDevicePath(volumeID string) string
InstanceID() (string, error)
GetAttachmentDiskPath(instanceID, volumeID string) (string, error)
OperationPending(diskName string) (bool, string, error)
DiskIsAttached(instanceID, volumeID string) (bool, error)
DiskIsAttachedByName(nodeName types.NodeName, volumeID string) (bool, string, error)
DisksAreAttachedByName(nodeName types.NodeName, volumeIDs []string) (map[string]bool, error)
ShouldTrustDevicePath() bool
Instances() (cloudprovider.Instances, bool)
ExpandVolume(volumeID string, oldSize resource.Quantity, newSize resource.Quantity) (resource.Quantity, error)
}
type cinderPlugin struct {
host volume.VolumeHost
// Guarding SetUp and TearDown operations
volumeLocks keymutex.KeyMutex
}
var _ volume.VolumePlugin = &cinderPlugin{}
var _ volume.PersistentVolumePlugin = &cinderPlugin{}
var _ volume.DeletableVolumePlugin = &cinderPlugin{}
var _ volume.ProvisionableVolumePlugin = &cinderPlugin{}
const (
cinderVolumePluginName = "kubernetes.io/cinder"
)
func getPath(uid types.UID, volName string, host volume.VolumeHost) string {
return host.GetPodVolumeDir(uid, kstrings.EscapeQualifiedNameForDisk(cinderVolumePluginName), volName)
}
func (plugin *cinderPlugin) Init(host volume.VolumeHost) error {
plugin.host = host
plugin.volumeLocks = keymutex.NewKeyMutex()
return nil
}
func (plugin *cinderPlugin) GetPluginName() string {
return cinderVolumePluginName
}
func (plugin *cinderPlugin) GetVolumeName(spec *volume.Spec) (string, error) {
volumeID, _, _, err := getVolumeInfo(spec)
if err != nil {
return "", err
}
return volumeID, nil
}
func (plugin *cinderPlugin) CanSupport(spec *volume.Spec) bool {
return (spec.Volume != nil && spec.Volume.Cinder != nil) || (spec.PersistentVolume != nil && spec.PersistentVolume.Spec.Cinder != nil)
}
func (plugin *cinderPlugin) RequiresRemount() bool {
return false
}
func (plugin *cinderPlugin) SupportsMountOption() bool {
return true
}
func (plugin *cinderPlugin) SupportsBulkVolumeVerification() bool {
return false
}
func (plugin *cinderPlugin) GetAccessModes() []v1.PersistentVolumeAccessMode {
return []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
}
}
func (plugin *cinderPlugin) NewMounter(spec *volume.Spec, pod *v1.Pod, _ volume.VolumeOptions) (volume.Mounter, error) {
return plugin.newMounterInternal(spec, pod.UID, &DiskUtil{}, plugin.host.GetMounter(plugin.GetPluginName()))
}
func (plugin *cinderPlugin) newMounterInternal(spec *volume.Spec, podUID types.UID, manager cdManager, mounter mount.Interface) (volume.Mounter, error) {
pdName, fsType, readOnly, err := getVolumeInfo(spec)
if err != nil {
return nil, err
}
return &cinderVolumeMounter{
cinderVolume: &cinderVolume{
podUID: podUID,
volName: spec.Name(),
pdName: pdName,
mounter: mounter,
manager: manager,
plugin: plugin,
MetricsProvider: volume.NewMetricsStatFS(getPath(podUID, spec.Name(), plugin.host)),
},
fsType: fsType,
readOnly: readOnly,
blockDeviceMounter: util.NewSafeFormatAndMountFromHost(plugin.GetPluginName(), plugin.host)}, nil
}
func (plugin *cinderPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
return plugin.newUnmounterInternal(volName, podUID, &DiskUtil{}, plugin.host.GetMounter(plugin.GetPluginName()))
}
func (plugin *cinderPlugin) newUnmounterInternal(volName string, podUID types.UID, manager cdManager, mounter mount.Interface) (volume.Unmounter, error) {
return &cinderVolumeUnmounter{
&cinderVolume{
podUID: podUID,
volName: volName,
manager: manager,
mounter: mounter,
plugin: plugin,
MetricsProvider: volume.NewMetricsStatFS(getPath(podUID, volName, plugin.host)),
}}, nil
}
func (plugin *cinderPlugin) NewDeleter(spec *volume.Spec) (volume.Deleter, error) {
return plugin.newDeleterInternal(spec, &DiskUtil{})
}
func (plugin *cinderPlugin) newDeleterInternal(spec *volume.Spec, manager cdManager) (volume.Deleter, error) {
if spec.PersistentVolume != nil && spec.PersistentVolume.Spec.Cinder == nil {
return nil, fmt.Errorf("spec.PersistentVolumeSource.Cinder is nil")
}
return &cinderVolumeDeleter{
&cinderVolume{
volName: spec.Name(),
pdName: spec.PersistentVolume.Spec.Cinder.VolumeID,
manager: manager,
plugin: plugin,
}}, nil
}
func (plugin *cinderPlugin) NewProvisioner(options volume.VolumeOptions) (volume.Provisioner, error) {
return plugin.newProvisionerInternal(options, &DiskUtil{})
}
func (plugin *cinderPlugin) newProvisionerInternal(options volume.VolumeOptions, manager cdManager) (volume.Provisioner, error) {
return &cinderVolumeProvisioner{
cinderVolume: &cinderVolume{
manager: manager,
plugin: plugin,
},
options: options,
}, nil
}
func (plugin *cinderPlugin) getCloudProvider() (BlockStorageProvider, error) {
cloud := plugin.host.GetCloudProvider()
if cloud == nil {
if _, err := os.Stat(DefaultCloudConfigPath); err == nil {
var config *os.File
config, err = os.Open(DefaultCloudConfigPath)
if err != nil {
return nil, fmt.Errorf("unable to load OpenStack configuration from default path : %v", err)
}
defer config.Close()
cloud, err = cloudprovider.GetCloudProvider(openstack.ProviderName, config)
if err != nil {
return nil, fmt.Errorf("unable to create OpenStack cloud provider from default path : %v", err)
}
} else {
return nil, fmt.Errorf("OpenStack cloud provider was not initialized properly : %v", err)
}
}
switch cloud := cloud.(type) {
case *openstack.OpenStack:
return cloud, nil
default:
return nil, errors.New("invalid cloud provider: expected OpenStack")
}
}
func (plugin *cinderPlugin) ConstructVolumeSpec(volumeName, mountPath string) (*volume.Spec, error) {
mounter := plugin.host.GetMounter(plugin.GetPluginName())
pluginDir := plugin.host.GetPluginDir(plugin.GetPluginName())
sourceName, err := mounter.GetDeviceNameFromMount(mountPath, pluginDir)
if err != nil {
return nil, err
}
glog.V(4).Infof("Found volume %s mounted to %s", sourceName, mountPath)
cinderVolume := &v1.Volume{
Name: volumeName,
VolumeSource: v1.VolumeSource{
Cinder: &v1.CinderVolumeSource{
VolumeID: sourceName,
},
},
}
return volume.NewSpecFromVolume(cinderVolume), nil
}
var _ volume.ExpandableVolumePlugin = &cinderPlugin{}
func (plugin *cinderPlugin) ExpandVolumeDevice(spec *volume.Spec, newSize resource.Quantity, oldSize resource.Quantity) (resource.Quantity, error) {
volumeID, _, _, err := getVolumeInfo(spec)
if err != nil {
return oldSize, err
}
cloud, err := plugin.getCloudProvider()
if err != nil {
return oldSize, err
}
expandedSize, err := cloud.ExpandVolume(volumeID, oldSize, newSize)
if err != nil {
return oldSize, err
}
glog.V(2).Infof("volume %s expanded to new size %d successfully", volumeID, int(newSize.Value()))
return expandedSize, nil
}
func (plugin *cinderPlugin) RequiresFSResize() bool {
return true
}
// Abstract interface to PD operations.
type cdManager interface {
// Attaches the disk to the kubelet's host machine.
AttachDisk(mounter *cinderVolumeMounter, globalPDPath string) error
// Detaches the disk from the kubelet's host machine.
DetachDisk(unmounter *cinderVolumeUnmounter) error
// Creates a volume
CreateVolume(provisioner *cinderVolumeProvisioner) (volumeID string, volumeSizeGB int, labels map[string]string, fstype string, err error)
// Deletes a volume
DeleteVolume(deleter *cinderVolumeDeleter) error
}
var _ volume.Mounter = &cinderVolumeMounter{}
type cinderVolumeMounter struct {
*cinderVolume
fsType string
readOnly bool
blockDeviceMounter *mount.SafeFormatAndMount
}
// cinderPersistentDisk volumes are disk resources provided by C3
// that are attached to the kubelet's host machine and exposed to the pod.
type cinderVolume struct {
volName string
podUID types.UID
// Unique identifier of the volume, used to find the disk resource in the provider.
pdName string
// Filesystem type, optional.
fsType string
// Specifies whether the disk will be attached as read-only.
readOnly bool
// Utility interface that provides API calls to the provider to attach/detach disks.
manager cdManager
// Mounter interface that provides system calls to mount the global path to the pod local path.
mounter mount.Interface
// diskMounter provides the interface that is used to mount the actual block device.
blockDeviceMounter mount.Interface
plugin *cinderPlugin
volume.MetricsProvider
}
func (b *cinderVolumeMounter) GetAttributes() volume.Attributes {
return volume.Attributes{
ReadOnly: b.readOnly,
Managed: !b.readOnly,
SupportsSELinux: true,
}
}
// Checks prior to mount operations to verify that the required components (binaries, etc.)
// to mount the volume are available on the underlying node.
// If not, it returns an error
func (b *cinderVolumeMounter) CanMount() error {
return nil
}
func (b *cinderVolumeMounter) SetUp(fsGroup *int64) error {
return b.SetUpAt(b.GetPath(), fsGroup)
}
// SetUp bind mounts to the volume path.
func (b *cinderVolumeMounter) SetUpAt(dir string, fsGroup *int64) error {
glog.V(5).Infof("Cinder SetUp %s to %s", b.pdName, dir)
b.plugin.volumeLocks.LockKey(b.pdName)
defer b.plugin.volumeLocks.UnlockKey(b.pdName)
notmnt, err := b.mounter.IsLikelyNotMountPoint(dir)
if err != nil && !os.IsNotExist(err) {
glog.Errorf("Cannot validate mount point: %s %v", dir, err)
return err
}
if !notmnt {
glog.V(4).Infof("Something is already mounted to target %s", dir)
return nil
}
globalPDPath := makeGlobalPDName(b.plugin.host, b.pdName)
options := []string{"bind"}
if b.readOnly {
options = append(options, "ro")
}
if err := os.MkdirAll(dir, 0750); err != nil {
glog.V(4).Infof("Could not create directory %s: %v", dir, err)
return err
}
// Perform a bind mount to the full path to allow duplicate mounts of the same PD.
glog.V(4).Infof("Attempting to mount cinder volume %s to %s with options %v", b.pdName, dir, options)
err = b.mounter.Mount(globalPDPath, dir, "", options)
if err != nil {
glog.V(4).Infof("Mount failed: %v", err)
notmnt, mntErr := b.mounter.IsLikelyNotMountPoint(dir)
if mntErr != nil {
glog.Errorf("IsLikelyNotMountPoint check failed: %v", mntErr)
return err
}
if !notmnt {
if mntErr = b.mounter.Unmount(dir); mntErr != nil {
glog.Errorf("Failed to unmount: %v", mntErr)
return err
}
notmnt, mntErr := b.mounter.IsLikelyNotMountPoint(dir)
if mntErr != nil {
glog.Errorf("IsLikelyNotMountPoint check failed: %v", mntErr)
return err
}
if !notmnt {
// This is very odd, we don't expect it. We'll try again next sync loop.
glog.Errorf("%s is still mounted, despite call to unmount(). Will try again next sync loop.", b.GetPath())
return err
}
}
os.Remove(dir)
glog.Errorf("Failed to mount %s: %v", dir, err)
return err
}
if !b.readOnly {
volume.SetVolumeOwnership(b, fsGroup)
}
glog.V(3).Infof("Cinder volume %s mounted to %s", b.pdName, dir)
return nil
}
func makeGlobalPDName(host volume.VolumeHost, devName string) string {
return path.Join(host.GetPluginDir(cinderVolumePluginName), mount.MountsInGlobalPDPath, devName)
}
func (cd *cinderVolume) GetPath() string {
return getPath(cd.podUID, cd.volName, cd.plugin.host)
}
type cinderVolumeUnmounter struct {
*cinderVolume
}
var _ volume.Unmounter = &cinderVolumeUnmounter{}
func (c *cinderVolumeUnmounter) TearDown() error {
return c.TearDownAt(c.GetPath())
}
// Unmounts the bind mount, and detaches the disk only if the PD
// resource was the last reference to that disk on the kubelet.
func (c *cinderVolumeUnmounter) TearDownAt(dir string) error {
if pathExists, pathErr := util.PathExists(dir); pathErr != nil {
return fmt.Errorf("Error checking if path exists: %v", pathErr)
} else if !pathExists {
glog.Warningf("Warning: Unmount skipped because path does not exist: %v", dir)
return nil
}
glog.V(5).Infof("Cinder TearDown of %s", dir)
notmnt, err := c.mounter.IsLikelyNotMountPoint(dir)
if err != nil {
glog.V(4).Infof("IsLikelyNotMountPoint check failed: %v", err)
return err
}
if notmnt {
glog.V(4).Infof("Nothing is mounted to %s, ignoring", dir)
return os.Remove(dir)
}
// Find Cinder volumeID to lock the right volume
// TODO: refactor VolumePlugin.NewUnmounter to get full volume.Spec just like
// NewMounter. We could then find volumeID there without probing MountRefs.
refs, err := mount.GetMountRefs(c.mounter, dir)
if err != nil {
glog.V(4).Infof("GetMountRefs failed: %v", err)
return err
}
if len(refs) == 0 {
glog.V(4).Infof("Directory %s is not mounted", dir)
return fmt.Errorf("directory %s is not mounted", dir)
}
c.pdName = path.Base(refs[0])
glog.V(4).Infof("Found volume %s mounted to %s", c.pdName, dir)
// lock the volume (and thus wait for any concurrrent SetUpAt to finish)
c.plugin.volumeLocks.LockKey(c.pdName)
defer c.plugin.volumeLocks.UnlockKey(c.pdName)
// Reload list of references, there might be SetUpAt finished in the meantime
refs, err = mount.GetMountRefs(c.mounter, dir)
if err != nil {
glog.V(4).Infof("GetMountRefs failed: %v", err)
return err
}
if err := c.mounter.Unmount(dir); err != nil {
glog.V(4).Infof("Unmount failed: %v", err)
return err
}
glog.V(3).Infof("Successfully unmounted: %s\n", dir)
notmnt, mntErr := c.mounter.IsLikelyNotMountPoint(dir)
if mntErr != nil {
glog.Errorf("IsLikelyNotMountPoint check failed: %v", mntErr)
return err
}
if notmnt {
if err := os.Remove(dir); err != nil {
glog.V(4).Infof("Failed to remove directory after unmount: %v", err)
return err
}
}
return nil
}
type cinderVolumeDeleter struct {
*cinderVolume
}
var _ volume.Deleter = &cinderVolumeDeleter{}
func (r *cinderVolumeDeleter) GetPath() string {
return getPath(r.podUID, r.volName, r.plugin.host)
}
func (r *cinderVolumeDeleter) Delete() error {
return r.manager.DeleteVolume(r)
}
type cinderVolumeProvisioner struct {
*cinderVolume
options volume.VolumeOptions
}
var _ volume.Provisioner = &cinderVolumeProvisioner{}
func (c *cinderVolumeProvisioner) Provision(selectedNode *v1.Node, allowedTopologies []v1.TopologySelectorTerm) (*v1.PersistentVolume, error) {
if !util.AccessModesContainedInAll(c.plugin.GetAccessModes(), c.options.PVC.Spec.AccessModes) {
return nil, fmt.Errorf("invalid AccessModes %v: only AccessModes %v are supported", c.options.PVC.Spec.AccessModes, c.plugin.GetAccessModes())
}
if util.CheckPersistentVolumeClaimModeBlock(c.options.PVC) {
return nil, fmt.Errorf("%s does not support block volume provisioning", c.plugin.GetPluginName())
}
volumeID, sizeGB, labels, fstype, err := c.manager.CreateVolume(c)
if err != nil {
return nil, err
}
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: c.options.PVName,
Labels: labels,
Annotations: map[string]string{
util.VolumeDynamicallyCreatedByKey: "cinder-dynamic-provisioner",
},
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeReclaimPolicy: c.options.PersistentVolumeReclaimPolicy,
AccessModes: c.options.PVC.Spec.AccessModes,
Capacity: v1.ResourceList{
v1.ResourceName(v1.ResourceStorage): resource.MustParse(fmt.Sprintf("%dGi", sizeGB)),
},
PersistentVolumeSource: v1.PersistentVolumeSource{
Cinder: &v1.CinderPersistentVolumeSource{
VolumeID: volumeID,
FSType: fstype,
ReadOnly: false,
},
},
MountOptions: c.options.MountOptions,
},
}
if len(c.options.PVC.Spec.AccessModes) == 0 {
pv.Spec.AccessModes = c.plugin.GetAccessModes()
}
return pv, nil
}
func getVolumeInfo(spec *volume.Spec) (string, string, bool, error) {
if spec.Volume != nil && spec.Volume.Cinder != nil {
return spec.Volume.Cinder.VolumeID, spec.Volume.Cinder.FSType, spec.Volume.Cinder.ReadOnly, nil
} else if spec.PersistentVolume != nil &&
spec.PersistentVolume.Spec.Cinder != nil {
return spec.PersistentVolume.Spec.Cinder.VolumeID, spec.PersistentVolume.Spec.Cinder.FSType, spec.ReadOnly, nil
}
return "", "", false, fmt.Errorf("Spec does not reference a Cinder volume type")
}

222
vendor/k8s.io/kubernetes/pkg/volume/cinder/cinder_test.go generated vendored
View File

@ -1,222 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cinder
import (
"fmt"
"os"
"path"
"testing"
"time"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
func TestCanSupport(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("cinderTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/cinder")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plug.GetPluginName() != "kubernetes.io/cinder" {
t.Errorf("Wrong name: %s", plug.GetPluginName())
}
if !plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{Cinder: &v1.CinderVolumeSource{}}}}) {
t.Errorf("Expected true")
}
if !plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{PersistentVolumeSource: v1.PersistentVolumeSource{Cinder: &v1.CinderPersistentVolumeSource{}}}}}) {
t.Errorf("Expected true")
}
}
type fakePDManager struct {
// How long should AttachDisk/DetachDisk take - we need slower AttachDisk in a test.
attachDetachDuration time.Duration
}
func getFakeDeviceName(host volume.VolumeHost, pdName string) string {
return path.Join(host.GetPluginDir(cinderVolumePluginName), "device", pdName)
}
// Real Cinder AttachDisk attaches a cinder volume. If it is not yet mounted,
// it mounts it to globalPDPath.
// We create a dummy directory (="device") and bind-mount it to globalPDPath
func (fake *fakePDManager) AttachDisk(b *cinderVolumeMounter, globalPDPath string) error {
globalPath := makeGlobalPDName(b.plugin.host, b.pdName)
fakeDeviceName := getFakeDeviceName(b.plugin.host, b.pdName)
err := os.MkdirAll(fakeDeviceName, 0750)
if err != nil {
return err
}
// Attaching a Cinder volume can be slow...
time.Sleep(fake.attachDetachDuration)
// The volume is "attached", bind-mount it if it's not mounted yet.
notmnt, err := b.mounter.IsLikelyNotMountPoint(globalPath)
if err != nil {
if os.IsNotExist(err) {
if err := os.MkdirAll(globalPath, 0750); err != nil {
return err
}
notmnt = true
} else {
return err
}
}
if notmnt {
err = b.mounter.Mount(fakeDeviceName, globalPath, "", []string{"bind"})
if err != nil {
return err
}
}
return nil
}
func (fake *fakePDManager) DetachDisk(c *cinderVolumeUnmounter) error {
globalPath := makeGlobalPDName(c.plugin.host, c.pdName)
fakeDeviceName := getFakeDeviceName(c.plugin.host, c.pdName)
// unmount the bind-mount - should be fast
err := c.mounter.Unmount(globalPath)
if err != nil {
return err
}
// "Detach" the fake "device"
err = os.RemoveAll(fakeDeviceName)
if err != nil {
return err
}
return nil
}
func (fake *fakePDManager) CreateVolume(c *cinderVolumeProvisioner) (volumeID string, volumeSizeGB int, labels map[string]string, fstype string, err error) {
return "test-volume-name", 1, nil, "", nil
}
func (fake *fakePDManager) DeleteVolume(cd *cinderVolumeDeleter) error {
if cd.pdName != "test-volume-name" {
return fmt.Errorf("Deleter got unexpected volume name: %s", cd.pdName)
}
return nil
}
func TestPlugin(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("cinderTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/cinder")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
spec := &v1.Volume{
Name: "vol1",
VolumeSource: v1.VolumeSource{
Cinder: &v1.CinderVolumeSource{
VolumeID: "pd",
FSType: "ext4",
},
},
}
mounter, err := plug.(*cinderPlugin).newMounterInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), &fakePDManager{0}, &mount.FakeMounter{})
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Errorf("Got a nil Mounter")
}
volPath := path.Join(tmpDir, "pods/poduid/volumes/kubernetes.io~cinder/vol1")
path := mounter.GetPath()
if path != volPath {
t.Errorf("Got unexpected path: %s", path)
}
if err := mounter.SetUp(nil); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", path)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
unmounter, err := plug.(*cinderPlugin).newUnmounterInternal("vol1", types.UID("poduid"), &fakePDManager{0}, &mount.FakeMounter{})
if err != nil {
t.Errorf("Failed to make a new Unmounter: %v", err)
}
if unmounter == nil {
t.Errorf("Got a nil Unmounter")
}
if err := unmounter.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err == nil {
t.Errorf("TearDown() failed, volume path still exists: %s", path)
} else if !os.IsNotExist(err) {
t.Errorf("TearDown() failed: %v", err)
}
// Test Provisioner
options := volume.VolumeOptions{
PVC: volumetest.CreateTestPVC("100Mi", []v1.PersistentVolumeAccessMode{v1.ReadWriteOnce}),
PersistentVolumeReclaimPolicy: v1.PersistentVolumeReclaimDelete,
}
provisioner, err := plug.(*cinderPlugin).newProvisionerInternal(options, &fakePDManager{0})
persistentSpec, err := provisioner.Provision(nil, nil)
if err != nil {
t.Errorf("Provision() failed: %v", err)
}
if persistentSpec.Spec.PersistentVolumeSource.Cinder.VolumeID != "test-volume-name" {
t.Errorf("Provision() returned unexpected volume ID: %s", persistentSpec.Spec.PersistentVolumeSource.Cinder.VolumeID)
}
cap := persistentSpec.Spec.Capacity[v1.ResourceStorage]
size := cap.Value()
if size != 1024*1024*1024 {
t.Errorf("Provision() returned unexpected volume size: %v", size)
}
// Test Deleter
volSpec := &volume.Spec{
PersistentVolume: persistentSpec,
}
deleter, err := plug.(*cinderPlugin).newDeleterInternal(volSpec, &fakePDManager{0})
err = deleter.Delete()
if err != nil {
t.Errorf("Deleter() failed: %v", err)
}
}

262
vendor/k8s.io/kubernetes/pkg/volume/cinder/cinder_util.go generated vendored
View File

@ -1,262 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cinder
import (
"errors"
"fmt"
"io/ioutil"
"os"
"strings"
"time"
"github.com/golang/glog"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/util/sets"
clientset "k8s.io/client-go/kubernetes"
kubeletapis "k8s.io/kubernetes/pkg/kubelet/apis"
"k8s.io/kubernetes/pkg/volume"
volutil "k8s.io/kubernetes/pkg/volume/util"
"k8s.io/utils/exec"
)
// DiskUtil has utility/helper methods
type DiskUtil struct{}
// AttachDisk attaches a disk specified by a volume.CinderPersistenDisk to the current kubelet.
// Mounts the disk to its global path.
func (util *DiskUtil) AttachDisk(b *cinderVolumeMounter, globalPDPath string) error {
options := []string{}
if b.readOnly {
options = append(options, "ro")
}
cloud, err := b.plugin.getCloudProvider()
if err != nil {
return err
}
instanceid, err := cloud.InstanceID()
if err != nil {
return err
}
diskid, err := cloud.AttachDisk(instanceid, b.pdName)
if err != nil {
return err
}
var devicePath string
numTries := 0
for {
devicePath = cloud.GetDevicePath(diskid)
probeAttachedVolume()
_, err := os.Stat(devicePath)
if err == nil {
break
}
if err != nil && !os.IsNotExist(err) {
return err
}
numTries++
if numTries == 10 {
return errors.New("Could not attach disk: Timeout after 60s")
}
time.Sleep(time.Second * 6)
}
notmnt, err := b.mounter.IsLikelyNotMountPoint(globalPDPath)
if err != nil {
if os.IsNotExist(err) {
if err := os.MkdirAll(globalPDPath, 0750); err != nil {
return err
}
notmnt = true
} else {
return err
}
}
if notmnt {
err = b.blockDeviceMounter.FormatAndMount(devicePath, globalPDPath, b.fsType, options)
if err != nil {
os.Remove(globalPDPath)
return err
}
glog.V(2).Infof("Safe mount successful: %q\n", devicePath)
}
return nil
}
// DetachDisk unmounts the device and detaches the disk from the kubelet's host machine.
func (util *DiskUtil) DetachDisk(cd *cinderVolumeUnmounter) error {
globalPDPath := makeGlobalPDName(cd.plugin.host, cd.pdName)
if err := cd.mounter.Unmount(globalPDPath); err != nil {
return err
}
if err := os.Remove(globalPDPath); err != nil {
return err
}
glog.V(2).Infof("Successfully unmounted main device: %s\n", globalPDPath)
cloud, err := cd.plugin.getCloudProvider()
if err != nil {
return err
}
instanceid, err := cloud.InstanceID()
if err != nil {
return err
}
if err = cloud.DetachDisk(instanceid, cd.pdName); err != nil {
return err
}
glog.V(2).Infof("Successfully detached cinder volume %s", cd.pdName)
return nil
}
// DeleteVolume uses the cloud entrypoint to delete specified volume
func (util *DiskUtil) DeleteVolume(cd *cinderVolumeDeleter) error {
cloud, err := cd.plugin.getCloudProvider()
if err != nil {
return err
}
if err = cloud.DeleteVolume(cd.pdName); err != nil {
// OpenStack cloud provider returns volume.tryAgainError when necessary,
// no handling needed here.
glog.V(2).Infof("Error deleting cinder volume %s: %v", cd.pdName, err)
return err
}
glog.V(2).Infof("Successfully deleted cinder volume %s", cd.pdName)
return nil
}
func getZonesFromNodes(kubeClient clientset.Interface) (sets.String, error) {
// TODO: caching, currently it is overkill because it calls this function
// only when it creates dynamic PV
zones := make(sets.String)
nodes, err := kubeClient.CoreV1().Nodes().List(metav1.ListOptions{})
if err != nil {
glog.V(2).Infof("Error listing nodes")
return zones, err
}
for _, node := range nodes.Items {
if zone, ok := node.Labels[kubeletapis.LabelZoneFailureDomain]; ok {
zones.Insert(zone)
}
}
glog.V(4).Infof("zones found: %v", zones)
return zones, nil
}
// CreateVolume uses the cloud provider entrypoint for creating a volume
func (util *DiskUtil) CreateVolume(c *cinderVolumeProvisioner) (volumeID string, volumeSizeGB int, volumeLabels map[string]string, fstype string, err error) {
cloud, err := c.plugin.getCloudProvider()
if err != nil {
return "", 0, nil, "", err
}
capacity := c.options.PVC.Spec.Resources.Requests[v1.ResourceName(v1.ResourceStorage)]
volSizeBytes := capacity.Value()
// Cinder works with gigabytes, convert to GiB with rounding up
volSizeGB := int(volutil.RoundUpSize(volSizeBytes, 1024*1024*1024))
name := volutil.GenerateVolumeName(c.options.ClusterName, c.options.PVName, 255) // Cinder volume name can have up to 255 characters
vtype := ""
availability := ""
// Apply ProvisionerParameters (case-insensitive). We leave validation of
// the values to the cloud provider.
for k, v := range c.options.Parameters {
switch strings.ToLower(k) {
case "type":
vtype = v
case "availability":
availability = v
case volume.VolumeParameterFSType:
fstype = v
default:
return "", 0, nil, "", fmt.Errorf("invalid option %q for volume plugin %s", k, c.plugin.GetPluginName())
}
}
// TODO: implement PVC.Selector parsing
if c.options.PVC.Spec.Selector != nil {
return "", 0, nil, "", fmt.Errorf("claim.Spec.Selector is not supported for dynamic provisioning on Cinder")
}
if availability == "" {
// No zone specified, choose one randomly in the same region
zones, err := getZonesFromNodes(c.plugin.host.GetKubeClient())
if err != nil {
glog.V(2).Infof("error getting zone information: %v", err)
return "", 0, nil, "", err
}
// if we did not get any zones, lets leave it blank and gophercloud will
// use zone "nova" as default
if len(zones) > 0 {
availability = volutil.ChooseZoneForVolume(zones, c.options.PVC.Name)
}
}
volumeID, volumeAZ, IgnoreVolumeAZ, errr := cloud.CreateVolume(name, volSizeGB, vtype, availability, c.options.CloudTags)
if errr != nil {
glog.V(2).Infof("Error creating cinder volume: %v", errr)
return "", 0, nil, "", errr
}
glog.V(2).Infof("Successfully created cinder volume %s", volumeID)
// these are needed that pod is spawning to same AZ
volumeLabels = make(map[string]string)
if IgnoreVolumeAZ == false {
volumeLabels[kubeletapis.LabelZoneFailureDomain] = volumeAZ
}
return volumeID, volSizeGB, volumeLabels, fstype, nil
}
func probeAttachedVolume() error {
// rescan scsi bus
scsiHostRescan()
executor := exec.New()
// udevadm settle waits for udevd to process the device creation
// events for all hardware devices, thus ensuring that any device
// nodes have been created successfully before proceeding.
argsSettle := []string{"settle"}
cmdSettle := executor.Command("udevadm", argsSettle...)
_, errSettle := cmdSettle.CombinedOutput()
if errSettle != nil {
glog.Errorf("error running udevadm settle %v\n", errSettle)
}
args := []string{"trigger"}
cmd := executor.Command("udevadm", args...)
_, err := cmd.CombinedOutput()
if err != nil {
glog.Errorf("error running udevadm trigger %v\n", err)
return err
}
glog.V(4).Infof("Successfully probed all attachments")
return nil
}
func scsiHostRescan() {
scsiPath := "/sys/class/scsi_host/"
if dirs, err := ioutil.ReadDir(scsiPath); err == nil {
for _, f := range dirs {
name := scsiPath + f.Name() + "/scan"
data := []byte("- - -")
ioutil.WriteFile(name, data, 0666)
}
}
}

18
vendor/k8s.io/kubernetes/pkg/volume/cinder/doc.go generated vendored
View File

@ -1,18 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package cinder contains the internal representation of cinder volumes.
package cinder // import "k8s.io/kubernetes/pkg/volume/cinder"

58
vendor/k8s.io/kubernetes/pkg/volume/configmap/BUILD generated vendored
View File

@ -1,58 +0,0 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_library(
name = "go_default_library",
srcs = [
"configmap.go",
"doc.go",
],
importpath = "k8s.io/kubernetes/pkg/volume/configmap",
deps = [
"//pkg/util/io:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/util/strings:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/util:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = ["configmap_test.go"],
embed = [":go_default_library"],
deps = [
"//pkg/volume:go_default_library",
"//pkg/volume/empty_dir:go_default_library",
"//pkg/volume/testing:go_default_library",
"//pkg/volume/util:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/client-go/kubernetes:go_default_library",
"//vendor/k8s.io/client-go/kubernetes/fake:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)

14
vendor/k8s.io/kubernetes/pkg/volume/configmap/OWNERS generated vendored
View File

@ -1,14 +0,0 @@
approvers:
- pmorie
- saad-ali
- thockin
- matchstick
reviewers:
- ivan4th
- rata
- sjenning
- saad-ali
- jsafrane
- rootfs
- jingxu97
- msau42

332
vendor/k8s.io/kubernetes/pkg/volume/configmap/configmap.go generated vendored
View File

@ -1,332 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package configmap
import (
"fmt"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
ioutil "k8s.io/kubernetes/pkg/util/io"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
volumeutil "k8s.io/kubernetes/pkg/volume/util"
)
// ProbeVolumePlugin is the entry point for plugin detection in a package.
func ProbeVolumePlugins() []volume.VolumePlugin {
return []volume.VolumePlugin{&configMapPlugin{}}
}
const (
configMapPluginName = "kubernetes.io/configmap"
)
// configMapPlugin implements the VolumePlugin interface.
type configMapPlugin struct {
host volume.VolumeHost
getConfigMap func(namespace, name string) (*v1.ConfigMap, error)
}
var _ volume.VolumePlugin = &configMapPlugin{}
func (plugin *configMapPlugin) Init(host volume.VolumeHost) error {
plugin.host = host
plugin.getConfigMap = host.GetConfigMapFunc()
return nil
}
func (plugin *configMapPlugin) GetPluginName() string {
return configMapPluginName
}
func (plugin *configMapPlugin) GetVolumeName(spec *volume.Spec) (string, error) {
volumeSource, _ := getVolumeSource(spec)
if volumeSource == nil {
return "", fmt.Errorf("Spec does not reference a ConfigMap volume type")
}
return fmt.Sprintf(
"%v/%v",
spec.Name(),
volumeSource.Name), nil
}
func (plugin *configMapPlugin) CanSupport(spec *volume.Spec) bool {
return spec.Volume != nil && spec.Volume.ConfigMap != nil
}
func (plugin *configMapPlugin) RequiresRemount() bool {
return true
}
func (plugin *configMapPlugin) SupportsMountOption() bool {
return false
}
func (plugin *configMapPlugin) SupportsBulkVolumeVerification() bool {
return false
}
func (plugin *configMapPlugin) NewMounter(spec *volume.Spec, pod *v1.Pod, opts volume.VolumeOptions) (volume.Mounter, error) {
return &configMapVolumeMounter{
configMapVolume: &configMapVolume{
spec.Name(),
pod.UID,
plugin,
plugin.host.GetMounter(plugin.GetPluginName()),
plugin.host.GetWriter(),
volume.MetricsNil{},
},
source: *spec.Volume.ConfigMap,
pod: *pod,
opts: &opts,
getConfigMap: plugin.getConfigMap,
}, nil
}
func (plugin *configMapPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
return &configMapVolumeUnmounter{
&configMapVolume{
volName,
podUID,
plugin,
plugin.host.GetMounter(plugin.GetPluginName()),
plugin.host.GetWriter(),
volume.MetricsNil{},
},
}, nil
}
func (plugin *configMapPlugin) ConstructVolumeSpec(volumeName, mountPath string) (*volume.Spec, error) {
configMapVolume := &v1.Volume{
Name: volumeName,
VolumeSource: v1.VolumeSource{
ConfigMap: &v1.ConfigMapVolumeSource{},
},
}
return volume.NewSpecFromVolume(configMapVolume), nil
}
type configMapVolume struct {
volName string
podUID types.UID
plugin *configMapPlugin
mounter mount.Interface
writer ioutil.Writer
volume.MetricsNil
}
var _ volume.Volume = &configMapVolume{}
func (sv *configMapVolume) GetPath() string {
return sv.plugin.host.GetPodVolumeDir(sv.podUID, strings.EscapeQualifiedNameForDisk(configMapPluginName), sv.volName)
}
// configMapVolumeMounter handles retrieving secrets from the API server
// and placing them into the volume on the host.
type configMapVolumeMounter struct {
*configMapVolume
source v1.ConfigMapVolumeSource
pod v1.Pod
opts *volume.VolumeOptions
getConfigMap func(namespace, name string) (*v1.ConfigMap, error)
}
var _ volume.Mounter = &configMapVolumeMounter{}
func (sv *configMapVolume) GetAttributes() volume.Attributes {
return volume.Attributes{
ReadOnly: true,
Managed: true,
SupportsSELinux: true,
}
}
func wrappedVolumeSpec() volume.Spec {
// This is the spec for the volume that this plugin wraps.
return volume.Spec{
// This should be on a tmpfs instead of the local disk; the problem is
// charging the memory for the tmpfs to the right cgroup. We should make
// this a tmpfs when we can do the accounting correctly.
Volume: &v1.Volume{VolumeSource: v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}},
}
}
// Checks prior to mount operations to verify that the required components (binaries, etc.)
// to mount the volume are available on the underlying node.
// If not, it returns an error
func (b *configMapVolumeMounter) CanMount() error {
return nil
}
func (b *configMapVolumeMounter) SetUp(fsGroup *int64) error {
return b.SetUpAt(b.GetPath(), fsGroup)
}
func (b *configMapVolumeMounter) SetUpAt(dir string, fsGroup *int64) error {
glog.V(3).Infof("Setting up volume %v for pod %v at %v", b.volName, b.pod.UID, dir)
// Wrap EmptyDir, let it do the setup.
wrapped, err := b.plugin.host.NewWrapperMounter(b.volName, wrappedVolumeSpec(), &b.pod, *b.opts)
if err != nil {
return err
}
optional := b.source.Optional != nil && *b.source.Optional
configMap, err := b.getConfigMap(b.pod.Namespace, b.source.Name)
if err != nil {
if !(errors.IsNotFound(err) && optional) {
glog.Errorf("Couldn't get configMap %v/%v: %v", b.pod.Namespace, b.source.Name, err)
return err
}
configMap = &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Namespace: b.pod.Namespace,
Name: b.source.Name,
},
}
}
if err := wrapped.SetUpAt(dir, fsGroup); err != nil {
return err
}
if err := volumeutil.MakeNestedMountpoints(b.volName, dir, b.pod); err != nil {
return err
}
totalBytes := totalBytes(configMap)
glog.V(3).Infof("Received configMap %v/%v containing (%v) pieces of data, %v total bytes",
b.pod.Namespace,
b.source.Name,
len(configMap.Data)+len(configMap.BinaryData),
totalBytes)
payload, err := MakePayload(b.source.Items, configMap, b.source.DefaultMode, optional)
if err != nil {
return err
}
writerContext := fmt.Sprintf("pod %v/%v volume %v", b.pod.Namespace, b.pod.Name, b.volName)
writer, err := volumeutil.NewAtomicWriter(dir, writerContext)
if err != nil {
glog.Errorf("Error creating atomic writer: %v", err)
return err
}
err = writer.Write(payload)
if err != nil {
glog.Errorf("Error writing payload to dir: %v", err)
return err
}
err = volume.SetVolumeOwnership(b, fsGroup)
if err != nil {
glog.Errorf("Error applying volume ownership settings for group: %v", fsGroup)
return err
}
return nil
}
// Note: this function is exported so that it can be called from the projection volume driver
func MakePayload(mappings []v1.KeyToPath, configMap *v1.ConfigMap, defaultMode *int32, optional bool) (map[string]volumeutil.FileProjection, error) {
if defaultMode == nil {
return nil, fmt.Errorf("No defaultMode used, not even the default value for it")
}
payload := make(map[string]volumeutil.FileProjection, (len(configMap.Data) + len(configMap.BinaryData)))
var fileProjection volumeutil.FileProjection
if len(mappings) == 0 {
for name, data := range configMap.Data {
fileProjection.Data = []byte(data)
fileProjection.Mode = *defaultMode
payload[name] = fileProjection
}
for name, data := range configMap.BinaryData {
fileProjection.Data = data
fileProjection.Mode = *defaultMode
payload[name] = fileProjection
}
} else {
for _, ktp := range mappings {
if stringData, ok := configMap.Data[ktp.Key]; ok {
fileProjection.Data = []byte(stringData)
} else if binaryData, ok := configMap.BinaryData[ktp.Key]; ok {
fileProjection.Data = binaryData
} else {
if optional {
continue
}
return nil, fmt.Errorf("configmap references non-existent config key: %s", ktp.Key)
}
if ktp.Mode != nil {
fileProjection.Mode = *ktp.Mode
} else {
fileProjection.Mode = *defaultMode
}
payload[ktp.Path] = fileProjection
}
}
return payload, nil
}
func totalBytes(configMap *v1.ConfigMap) int {
totalSize := 0
for _, value := range configMap.Data {
totalSize += len(value)
}
for _, value := range configMap.BinaryData {
totalSize += len(value)
}
return totalSize
}
// configMapVolumeUnmounter handles cleaning up configMap volumes.
type configMapVolumeUnmounter struct {
*configMapVolume
}
var _ volume.Unmounter = &configMapVolumeUnmounter{}
func (c *configMapVolumeUnmounter) TearDown() error {
return c.TearDownAt(c.GetPath())
}
func (c *configMapVolumeUnmounter) TearDownAt(dir string) error {
return volumeutil.UnmountViaEmptyDir(dir, c.plugin.host, c.volName, wrappedVolumeSpec(), c.podUID)
}
func getVolumeSource(spec *volume.Spec) (*v1.ConfigMapVolumeSource, bool) {
var readOnly bool
var volumeSource *v1.ConfigMapVolumeSource
if spec.Volume != nil && spec.Volume.ConfigMap != nil {
volumeSource = spec.Volume.ConfigMap
readOnly = spec.ReadOnly
}
return volumeSource, readOnly
}

665
vendor/k8s.io/kubernetes/pkg/volume/configmap/configmap_test.go generated vendored
View File

@ -1,665 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package configmap
import (
"fmt"
"io/ioutil"
"os"
"path"
"reflect"
"strings"
"testing"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/fake"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/empty_dir"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
"k8s.io/kubernetes/pkg/volume/util"
)
func TestMakePayload(t *testing.T) {
caseMappingMode := int32(0400)
cases := []struct {
name string
mappings []v1.KeyToPath
configMap *v1.ConfigMap
mode int32
optional bool
payload map[string]util.FileProjection
success bool
}{
{
name: "no overrides",
configMap: &v1.ConfigMap{
Data: map[string]string{
"foo": "foo",
"bar": "bar",
},
},
mode: 0644,
payload: map[string]util.FileProjection{
"foo": {Data: []byte("foo"), Mode: 0644},
"bar": {Data: []byte("bar"), Mode: 0644},
},
success: true,
},
{
name: "no overrides binary data",
configMap: &v1.ConfigMap{
BinaryData: map[string][]byte{
"foo": []byte("foo"),
"bar": []byte("bar"),
},
},
mode: 0644,
payload: map[string]util.FileProjection{
"foo": {Data: []byte("foo"), Mode: 0644},
"bar": {Data: []byte("bar"), Mode: 0644},
},
success: true,
},
{
name: "no overrides mixed data",
configMap: &v1.ConfigMap{
BinaryData: map[string][]byte{
"foo": []byte("foo"),
},
Data: map[string]string{
"bar": "bar",
},
},
mode: 0644,
payload: map[string]util.FileProjection{
"foo": {Data: []byte("foo"), Mode: 0644},
"bar": {Data: []byte("bar"), Mode: 0644},
},
success: true,
},
{
name: "basic 1",
mappings: []v1.KeyToPath{
{
Key: "foo",
Path: "path/to/foo.txt",
},
},
configMap: &v1.ConfigMap{
Data: map[string]string{
"foo": "foo",
"bar": "bar",
},
},
mode: 0644,
payload: map[string]util.FileProjection{
"path/to/foo.txt": {Data: []byte("foo"), Mode: 0644},
},
success: true,
},
{
name: "subdirs",
mappings: []v1.KeyToPath{
{
Key: "foo",
Path: "path/to/1/2/3/foo.txt",
},
},
configMap: &v1.ConfigMap{
Data: map[string]string{
"foo": "foo",
"bar": "bar",
},
},
mode: 0644,
payload: map[string]util.FileProjection{
"path/to/1/2/3/foo.txt": {Data: []byte("foo"), Mode: 0644},
},
success: true,
},
{
name: "subdirs 2",
mappings: []v1.KeyToPath{
{
Key: "foo",
Path: "path/to/1/2/3/foo.txt",
},
},
configMap: &v1.ConfigMap{
Data: map[string]string{
"foo": "foo",
"bar": "bar",
},
},
mode: 0644,
payload: map[string]util.FileProjection{
"path/to/1/2/3/foo.txt": {Data: []byte("foo"), Mode: 0644},
},
success: true,
},
{
name: "subdirs 3",
mappings: []v1.KeyToPath{
{
Key: "foo",
Path: "path/to/1/2/3/foo.txt",
},
{
Key: "bar",
Path: "another/path/to/the/esteemed/bar.bin",
},
},
configMap: &v1.ConfigMap{
Data: map[string]string{
"foo": "foo",
"bar": "bar",
},
},
mode: 0644,
payload: map[string]util.FileProjection{
"path/to/1/2/3/foo.txt": {Data: []byte("foo"), Mode: 0644},
"another/path/to/the/esteemed/bar.bin": {Data: []byte("bar"), Mode: 0644},
},
success: true,
},
{
name: "non existent key",
mappings: []v1.KeyToPath{
{
Key: "zab",
Path: "path/to/foo.txt",
},
},
configMap: &v1.ConfigMap{
Data: map[string]string{
"foo": "foo",
"bar": "bar",
},
},
mode: 0644,
success: false,
},
{
name: "mapping with Mode",
mappings: []v1.KeyToPath{
{
Key: "foo",
Path: "foo.txt",
Mode: &caseMappingMode,
},
{
Key: "bar",
Path: "bar.bin",
Mode: &caseMappingMode,
},
},
configMap: &v1.ConfigMap{
Data: map[string]string{
"foo": "foo",
"bar": "bar",
},
},
mode: 0644,
payload: map[string]util.FileProjection{
"foo.txt": {Data: []byte("foo"), Mode: caseMappingMode},
"bar.bin": {Data: []byte("bar"), Mode: caseMappingMode},
},
success: true,
},
{
name: "mapping with defaultMode",
mappings: []v1.KeyToPath{
{
Key: "foo",
Path: "foo.txt",
},
{
Key: "bar",
Path: "bar.bin",
},
},
configMap: &v1.ConfigMap{
Data: map[string]string{
"foo": "foo",
"bar": "bar",
},
},
mode: 0644,
payload: map[string]util.FileProjection{
"foo.txt": {Data: []byte("foo"), Mode: 0644},
"bar.bin": {Data: []byte("bar"), Mode: 0644},
},
success: true,
},
{
name: "optional non existent key",
mappings: []v1.KeyToPath{
{
Key: "zab",
Path: "path/to/foo.txt",
},
},
configMap: &v1.ConfigMap{
Data: map[string]string{
"foo": "foo",
"bar": "bar",
},
},
mode: 0644,
optional: true,
payload: map[string]util.FileProjection{},
success: true,
},
}
for _, tc := range cases {
actualPayload, err := MakePayload(tc.mappings, tc.configMap, &tc.mode, tc.optional)
if err != nil && tc.success {
t.Errorf("%v: unexpected failure making payload: %v", tc.name, err)
continue
}
if err == nil && !tc.success {
t.Errorf("%v: unexpected success making payload", tc.name)
continue
}
if !tc.success {
continue
}
if e, a := tc.payload, actualPayload; !reflect.DeepEqual(e, a) {
t.Errorf("%v: expected and actual payload do not match", tc.name)
}
}
}
func newTestHost(t *testing.T, clientset clientset.Interface) (string, volume.VolumeHost) {
tempDir, err := ioutil.TempDir("/tmp", "configmap_volume_test.")
if err != nil {
t.Fatalf("can't make a temp rootdir: %v", err)
}
return tempDir, volumetest.NewFakeVolumeHost(tempDir, clientset, empty_dir.ProbeVolumePlugins())
}
func TestCanSupport(t *testing.T) {
pluginMgr := volume.VolumePluginMgr{}
tempDir, host := newTestHost(t, nil)
defer os.RemoveAll(tempDir)
pluginMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, host)
plugin, err := pluginMgr.FindPluginByName(configMapPluginName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plugin.GetPluginName() != configMapPluginName {
t.Errorf("Wrong name: %s", plugin.GetPluginName())
}
if !plugin.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{ConfigMap: &v1.ConfigMapVolumeSource{LocalObjectReference: v1.LocalObjectReference{Name: ""}}}}}) {
t.Errorf("Expected true")
}
if plugin.CanSupport(&volume.Spec{}) {
t.Errorf("Expected false")
}
}
func TestPlugin(t *testing.T) {
var (
testPodUID = types.UID("test_pod_uid")
testVolumeName = "test_volume_name"
testNamespace = "test_configmap_namespace"
testName = "test_configmap_name"
volumeSpec = volumeSpec(testVolumeName, testName, 0644)
configMap = configMap(testNamespace, testName)
client = fake.NewSimpleClientset(&configMap)
pluginMgr = volume.VolumePluginMgr{}
tempDir, host = newTestHost(t, client)
)
defer os.RemoveAll(tempDir)
pluginMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, host)
plugin, err := pluginMgr.FindPluginByName(configMapPluginName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{Namespace: testNamespace, UID: testPodUID}}
mounter, err := plugin.NewMounter(volume.NewSpecFromVolume(volumeSpec), pod, volume.VolumeOptions{})
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Fatalf("Got a nil Mounter")
}
vName, err := plugin.GetVolumeName(volume.NewSpecFromVolume(volumeSpec))
if err != nil {
t.Errorf("Failed to GetVolumeName: %v", err)
}
if vName != "test_volume_name/test_configmap_name" {
t.Errorf("Got unexpect VolumeName %v", vName)
}
volumePath := mounter.GetPath()
if !strings.HasSuffix(volumePath, fmt.Sprintf("pods/test_pod_uid/volumes/kubernetes.io~configmap/test_volume_name")) {
t.Errorf("Got unexpected path: %s", volumePath)
}
fsGroup := int64(1001)
err = mounter.SetUp(&fsGroup)
if err != nil {
t.Errorf("Failed to setup volume: %v", err)
}
if _, err := os.Stat(volumePath); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", volumePath)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
doTestConfigMapDataInVolume(volumePath, configMap, t)
doTestCleanAndTeardown(plugin, testPodUID, testVolumeName, volumePath, t)
}
// Test the case where the plugin's ready file exists, but the volume dir is not a
// mountpoint, which is the state the system will be in after reboot. The dir
// should be mounter and the configMap data written to it.
func TestPluginReboot(t *testing.T) {
var (
testPodUID = types.UID("test_pod_uid3")
testVolumeName = "test_volume_name"
testNamespace = "test_configmap_namespace"
testName = "test_configmap_name"
volumeSpec = volumeSpec(testVolumeName, testName, 0644)
configMap = configMap(testNamespace, testName)
client = fake.NewSimpleClientset(&configMap)
pluginMgr = volume.VolumePluginMgr{}
rootDir, host = newTestHost(t, client)
)
defer os.RemoveAll(rootDir)
pluginMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, host)
plugin, err := pluginMgr.FindPluginByName(configMapPluginName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{Namespace: testNamespace, UID: testPodUID}}
mounter, err := plugin.NewMounter(volume.NewSpecFromVolume(volumeSpec), pod, volume.VolumeOptions{})
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Fatalf("Got a nil Mounter")
}
podMetadataDir := fmt.Sprintf("%v/pods/test_pod_uid3/plugins/kubernetes.io~configmap/test_volume_name", rootDir)
util.SetReady(podMetadataDir)
volumePath := mounter.GetPath()
if !strings.HasSuffix(volumePath, fmt.Sprintf("pods/test_pod_uid3/volumes/kubernetes.io~configmap/test_volume_name")) {
t.Errorf("Got unexpected path: %s", volumePath)
}
fsGroup := int64(1001)
err = mounter.SetUp(&fsGroup)
if err != nil {
t.Errorf("Failed to setup volume: %v", err)
}
if _, err := os.Stat(volumePath); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", volumePath)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
doTestConfigMapDataInVolume(volumePath, configMap, t)
doTestCleanAndTeardown(plugin, testPodUID, testVolumeName, volumePath, t)
}
func TestPluginOptional(t *testing.T) {
var (
testPodUID = types.UID("test_pod_uid")
testVolumeName = "test_volume_name"
testNamespace = "test_configmap_namespace"
testName = "test_configmap_name"
trueVal = true
volumeSpec = volumeSpec(testVolumeName, testName, 0644)
client = fake.NewSimpleClientset()
pluginMgr = volume.VolumePluginMgr{}
tempDir, host = newTestHost(t, client)
)
volumeSpec.VolumeSource.ConfigMap.Optional = &trueVal
defer os.RemoveAll(tempDir)
pluginMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, host)
plugin, err := pluginMgr.FindPluginByName(configMapPluginName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{Namespace: testNamespace, UID: testPodUID}}
mounter, err := plugin.NewMounter(volume.NewSpecFromVolume(volumeSpec), pod, volume.VolumeOptions{})
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Errorf("Got a nil Mounter")
}
vName, err := plugin.GetVolumeName(volume.NewSpecFromVolume(volumeSpec))
if err != nil {
t.Errorf("Failed to GetVolumeName: %v", err)
}
if vName != "test_volume_name/test_configmap_name" {
t.Errorf("Got unexpect VolumeName %v", vName)
}
volumePath := mounter.GetPath()
if !strings.HasSuffix(volumePath, fmt.Sprintf("pods/test_pod_uid/volumes/kubernetes.io~configmap/test_volume_name")) {
t.Errorf("Got unexpected path: %s", volumePath)
}
fsGroup := int64(1001)
err = mounter.SetUp(&fsGroup)
if err != nil {
t.Errorf("Failed to setup volume: %v", err)
}
if _, err := os.Stat(volumePath); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", volumePath)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
datadirSymlink := path.Join(volumePath, "..data")
datadir, err := os.Readlink(datadirSymlink)
if err != nil && os.IsNotExist(err) {
t.Fatalf("couldn't find volume path's data dir, %s", datadirSymlink)
} else if err != nil {
t.Fatalf("couldn't read symlink, %s", datadirSymlink)
}
datadirPath := path.Join(volumePath, datadir)
infos, err := ioutil.ReadDir(volumePath)
if err != nil {
t.Fatalf("couldn't find volume path, %s", volumePath)
}
if len(infos) != 0 {
for _, fi := range infos {
if fi.Name() != "..data" && fi.Name() != datadir {
t.Errorf("empty data directory, %s, is not empty. Contains: %s", datadirSymlink, fi.Name())
}
}
}
infos, err = ioutil.ReadDir(datadirPath)
if err != nil {
t.Fatalf("couldn't find volume data path, %s", datadirPath)
}
if len(infos) != 0 {
t.Errorf("empty data directory, %s, is not empty. Contains: %s", datadirSymlink, infos[0].Name())
}
doTestCleanAndTeardown(plugin, testPodUID, testVolumeName, volumePath, t)
}
func TestPluginKeysOptional(t *testing.T) {
var (
testPodUID = types.UID("test_pod_uid")
testVolumeName = "test_volume_name"
testNamespace = "test_configmap_namespace"
testName = "test_configmap_name"
trueVal = true
volumeSpec = volumeSpec(testVolumeName, testName, 0644)
configMap = configMap(testNamespace, testName)
client = fake.NewSimpleClientset(&configMap)
pluginMgr = volume.VolumePluginMgr{}
tempDir, host = newTestHost(t, client)
)
volumeSpec.VolumeSource.ConfigMap.Items = []v1.KeyToPath{
{Key: "data-1", Path: "data-1"},
{Key: "data-2", Path: "data-2"},
{Key: "data-3", Path: "data-3"},
{Key: "missing", Path: "missing"},
}
volumeSpec.VolumeSource.ConfigMap.Optional = &trueVal
defer os.RemoveAll(tempDir)
pluginMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, host)
plugin, err := pluginMgr.FindPluginByName(configMapPluginName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{Namespace: testNamespace, UID: testPodUID}}
mounter, err := plugin.NewMounter(volume.NewSpecFromVolume(volumeSpec), pod, volume.VolumeOptions{})
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Errorf("Got a nil Mounter")
}
vName, err := plugin.GetVolumeName(volume.NewSpecFromVolume(volumeSpec))
if err != nil {
t.Errorf("Failed to GetVolumeName: %v", err)
}
if vName != "test_volume_name/test_configmap_name" {
t.Errorf("Got unexpect VolumeName %v", vName)
}
volumePath := mounter.GetPath()
if !strings.HasSuffix(volumePath, fmt.Sprintf("pods/test_pod_uid/volumes/kubernetes.io~configmap/test_volume_name")) {
t.Errorf("Got unexpected path: %s", volumePath)
}
fsGroup := int64(1001)
err = mounter.SetUp(&fsGroup)
if err != nil {
t.Errorf("Failed to setup volume: %v", err)
}
if _, err := os.Stat(volumePath); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", volumePath)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
doTestConfigMapDataInVolume(volumePath, configMap, t)
doTestCleanAndTeardown(plugin, testPodUID, testVolumeName, volumePath, t)
}
func volumeSpec(volumeName, configMapName string, defaultMode int32) *v1.Volume {
return &v1.Volume{
Name: volumeName,
VolumeSource: v1.VolumeSource{
ConfigMap: &v1.ConfigMapVolumeSource{
LocalObjectReference: v1.LocalObjectReference{
Name: configMapName,
},
DefaultMode: &defaultMode,
},
},
}
}
func configMap(namespace, name string) v1.ConfigMap {
return v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Namespace: namespace,
Name: name,
},
Data: map[string]string{
"data-1": "value-1",
"data-2": "value-2",
"data-3": "value-3",
},
}
}
func doTestConfigMapDataInVolume(volumePath string, configMap v1.ConfigMap, t *testing.T) {
for key, value := range configMap.Data {
configMapDataHostPath := path.Join(volumePath, key)
if _, err := os.Stat(configMapDataHostPath); err != nil {
t.Fatalf("SetUp() failed, couldn't find configMap data on disk: %v", configMapDataHostPath)
} else {
actualValue, err := ioutil.ReadFile(configMapDataHostPath)
if err != nil {
t.Fatalf("Couldn't read configMap data from: %v", configMapDataHostPath)
}
if value != string(actualValue) {
t.Errorf("Unexpected value; expected %q, got %q", value, actualValue)
}
}
}
}
func doTestCleanAndTeardown(plugin volume.VolumePlugin, podUID types.UID, testVolumeName, volumePath string, t *testing.T) {
unmounter, err := plugin.NewUnmounter(testVolumeName, podUID)
if err != nil {
t.Errorf("Failed to make a new Unmounter: %v", err)
}
if unmounter == nil {
t.Fatalf("Got a nil Unmounter")
}
if err := unmounter.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(volumePath); err == nil {
t.Errorf("TearDown() failed, volume path still exists: %s", volumePath)
} else if !os.IsNotExist(err) {
t.Errorf("TearDown() failed: %v", err)
}
}

18
vendor/k8s.io/kubernetes/pkg/volume/configmap/doc.go generated vendored
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@ -1,18 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package configmap contains the internal representation of configMap volumes.
package configmap // import "k8s.io/kubernetes/pkg/volume/configmap"

83
vendor/k8s.io/kubernetes/pkg/volume/csi/BUILD generated vendored
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@ -1,83 +0,0 @@
load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
go_library(
name = "go_default_library",
srcs = [
"csi_attacher.go",
"csi_block.go",
"csi_client.go",
"csi_mounter.go",
"csi_plugin.go",
"csi_util.go",
],
importpath = "k8s.io/kubernetes/pkg/volume/csi",
visibility = ["//visibility:public"],
deps = [
"//pkg/features:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/util/strings:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/csi/labelmanager:go_default_library",
"//pkg/volume/util:go_default_library",
"//vendor/github.com/container-storage-interface/spec/lib/go/csi/v0:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/google.golang.org/grpc:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/api/storage/v1beta1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/watch:go_default_library",
"//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library",
"//vendor/k8s.io/client-go/kubernetes:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = [
"csi_attacher_test.go",
"csi_block_test.go",
"csi_client_test.go",
"csi_mounter_test.go",
"csi_plugin_test.go",
],
embed = [":go_default_library"],
deps = [
"//pkg/volume:go_default_library",
"//pkg/volume/csi/fake:go_default_library",
"//pkg/volume/testing:go_default_library",
"//pkg/volume/util:go_default_library",
"//vendor/github.com/container-storage-interface/spec/lib/go/csi/v0:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/api/storage/v1beta1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/resource:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/watch:go_default_library",
"//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library",
"//vendor/k8s.io/client-go/kubernetes/fake:go_default_library",
"//vendor/k8s.io/client-go/testing:go_default_library",
"//vendor/k8s.io/client-go/util/testing:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [
":package-srcs",
"//pkg/volume/csi/fake:all-srcs",
"//pkg/volume/csi/labelmanager:all-srcs",
],
tags = ["automanaged"],
visibility = ["//visibility:public"],
)

4
vendor/k8s.io/kubernetes/pkg/volume/csi/OWNERS generated vendored
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@ -1,4 +0,0 @@
approvers:
- jsafrane
- saad-ali
- vladimirvivien

603
vendor/k8s.io/kubernetes/pkg/volume/csi/csi_attacher.go generated vendored
View File

@ -1,603 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package csi
import (
"context"
"crypto/sha256"
"errors"
"fmt"
"os"
"path"
"path/filepath"
"strings"
"time"
"github.com/golang/glog"
csipb "github.com/container-storage-interface/spec/lib/go/csi/v0"
"k8s.io/api/core/v1"
storage "k8s.io/api/storage/v1beta1"
apierrs "k8s.io/apimachinery/pkg/api/errors"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/kubernetes"
"k8s.io/kubernetes/pkg/volume"
)
const (
persistentVolumeInGlobalPath = "pv"
globalMountInGlobalPath = "globalmount"
)
type csiAttacher struct {
plugin *csiPlugin
k8s kubernetes.Interface
waitSleepTime time.Duration
csiClient csiClient
}
// volume.Attacher methods
var _ volume.Attacher = &csiAttacher{}
func (c *csiAttacher) Attach(spec *volume.Spec, nodeName types.NodeName) (string, error) {
if spec == nil {
glog.Error(log("attacher.Attach missing volume.Spec"))
return "", errors.New("missing spec")
}
csiSource, err := getCSISourceFromSpec(spec)
if err != nil {
glog.Error(log("attacher.Attach failed to get CSI persistent source: %v", err))
return "", err
}
node := string(nodeName)
pvName := spec.PersistentVolume.GetName()
attachID := getAttachmentName(csiSource.VolumeHandle, csiSource.Driver, node)
attachment := &storage.VolumeAttachment{
ObjectMeta: meta.ObjectMeta{
Name: attachID,
},
Spec: storage.VolumeAttachmentSpec{
NodeName: node,
Attacher: csiSource.Driver,
Source: storage.VolumeAttachmentSource{
PersistentVolumeName: &pvName,
},
},
Status: storage.VolumeAttachmentStatus{Attached: false},
}
_, err = c.k8s.StorageV1beta1().VolumeAttachments().Create(attachment)
alreadyExist := false
if err != nil {
if !apierrs.IsAlreadyExists(err) {
glog.Error(log("attacher.Attach failed: %v", err))
return "", err
}
alreadyExist = true
}
if alreadyExist {
glog.V(4).Info(log("attachment [%v] for volume [%v] already exists (will not be recreated)", attachID, csiSource.VolumeHandle))
} else {
glog.V(4).Info(log("attachment [%v] for volume [%v] created successfully", attachID, csiSource.VolumeHandle))
}
if _, err := c.waitForVolumeAttachment(csiSource.VolumeHandle, attachID, csiTimeout); err != nil {
return "", err
}
glog.V(4).Info(log("attacher.Attach finished OK with VolumeAttachment object [%s]", attachID))
return attachID, nil
}
func (c *csiAttacher) WaitForAttach(spec *volume.Spec, attachID string, pod *v1.Pod, timeout time.Duration) (string, error) {
source, err := getCSISourceFromSpec(spec)
if err != nil {
glog.Error(log("attacher.WaitForAttach failed to extract CSI volume source: %v", err))
return "", err
}
return c.waitForVolumeAttachment(source.VolumeHandle, attachID, timeout)
}
func (c *csiAttacher) waitForVolumeAttachment(volumeHandle, attachID string, timeout time.Duration) (string, error) {
glog.V(4).Info(log("probing for updates from CSI driver for [attachment.ID=%v]", attachID))
timer := time.NewTimer(timeout) // TODO (vladimirvivien) investigate making this configurable
defer timer.Stop()
return c.waitForVolumeAttachmentInternal(volumeHandle, attachID, timer, timeout)
}
func (c *csiAttacher) waitForVolumeAttachmentInternal(volumeHandle, attachID string, timer *time.Timer, timeout time.Duration) (string, error) {
glog.V(4).Info(log("probing VolumeAttachment [id=%v]", attachID))
attach, err := c.k8s.StorageV1beta1().VolumeAttachments().Get(attachID, meta.GetOptions{})
if err != nil {
glog.Error(log("attacher.WaitForAttach failed for volume [%s] (will continue to try): %v", volumeHandle, err))
return "", err
}
// if being deleted, fail fast
if attach.GetDeletionTimestamp() != nil {
glog.Error(log("VolumeAttachment [%s] has deletion timestamp, will not continue to wait for attachment", attachID))
return "", errors.New("volume attachment is being deleted")
}
// attachment OK
if attach.Status.Attached {
return attachID, nil
}
// driver reports attach error
attachErr := attach.Status.AttachError
if attachErr != nil {
glog.Error(log("attachment for %v failed: %v", volumeHandle, attachErr.Message))
return "", errors.New(attachErr.Message)
}
watcher, err := c.k8s.StorageV1beta1().VolumeAttachments().Watch(meta.SingleObject(meta.ObjectMeta{Name: attachID, ResourceVersion: attach.ResourceVersion}))
if err != nil {
return "", fmt.Errorf("watch error:%v for volume %v", err, volumeHandle)
}
ch := watcher.ResultChan()
defer watcher.Stop()
for {
select {
case event, ok := <-ch:
if !ok {
glog.Errorf("[attachment.ID=%v] watch channel had been closed", attachID)
return "", errors.New("volume attachment watch channel had been closed")
}
switch event.Type {
case watch.Added, watch.Modified:
attach, _ := event.Object.(*storage.VolumeAttachment)
// if being deleted, fail fast
if attach.GetDeletionTimestamp() != nil {
glog.Error(log("VolumeAttachment [%s] has deletion timestamp, will not continue to wait for attachment", attachID))
return "", errors.New("volume attachment is being deleted")
}
// attachment OK
if attach.Status.Attached {
return attachID, nil
}
// driver reports attach error
attachErr := attach.Status.AttachError
if attachErr != nil {
glog.Error(log("attachment for %v failed: %v", volumeHandle, attachErr.Message))
return "", errors.New(attachErr.Message)
}
case watch.Deleted:
// if deleted, fail fast
glog.Error(log("VolumeAttachment [%s] has been deleted, will not continue to wait for attachment", attachID))
return "", errors.New("volume attachment has been deleted")
case watch.Error:
// start another cycle
c.waitForVolumeAttachmentInternal(volumeHandle, attachID, timer, timeout)
}
case <-timer.C:
glog.Error(log("attacher.WaitForAttach timeout after %v [volume=%v; attachment.ID=%v]", timeout, volumeHandle, attachID))
return "", fmt.Errorf("attachment timeout for volume %v", volumeHandle)
}
}
}
func (c *csiAttacher) VolumesAreAttached(specs []*volume.Spec, nodeName types.NodeName) (map[*volume.Spec]bool, error) {
glog.V(4).Info(log("probing attachment status for %d volume(s) ", len(specs)))
attached := make(map[*volume.Spec]bool)
for _, spec := range specs {
if spec == nil {
glog.Error(log("attacher.VolumesAreAttached missing volume.Spec"))
return nil, errors.New("missing spec")
}
source, err := getCSISourceFromSpec(spec)
if err != nil {
glog.Error(log("attacher.VolumesAreAttached failed: %v", err))
continue
}
attachID := getAttachmentName(source.VolumeHandle, source.Driver, string(nodeName))
glog.V(4).Info(log("probing attachment status for VolumeAttachment %v", attachID))
attach, err := c.k8s.StorageV1beta1().VolumeAttachments().Get(attachID, meta.GetOptions{})
if err != nil {
glog.Error(log("attacher.VolumesAreAttached failed for attach.ID=%v: %v", attachID, err))
continue
}
glog.V(4).Info(log("attacher.VolumesAreAttached attachment [%v] has status.attached=%t", attachID, attach.Status.Attached))
attached[spec] = attach.Status.Attached
}
return attached, nil
}
func (c *csiAttacher) GetDeviceMountPath(spec *volume.Spec) (string, error) {
glog.V(4).Info(log("attacher.GetDeviceMountPath(%v)", spec))
deviceMountPath, err := makeDeviceMountPath(c.plugin, spec)
if err != nil {
glog.Error(log("attacher.GetDeviceMountPath failed to make device mount path: %v", err))
return "", err
}
glog.V(4).Infof("attacher.GetDeviceMountPath succeeded, deviceMountPath: %s", deviceMountPath)
return deviceMountPath, nil
}
func (c *csiAttacher) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string) (err error) {
glog.V(4).Infof(log("attacher.MountDevice(%s, %s)", devicePath, deviceMountPath))
mounted, err := isDirMounted(c.plugin, deviceMountPath)
if err != nil {
glog.Error(log("attacher.MountDevice failed while checking mount status for dir [%s]", deviceMountPath))
return err
}
if mounted {
glog.V(4).Info(log("attacher.MountDevice skipping mount, dir already mounted [%s]", deviceMountPath))
return nil
}
// Setup
if spec == nil {
return fmt.Errorf("attacher.MountDevice failed, spec is nil")
}
csiSource, err := getCSISourceFromSpec(spec)
if err != nil {
glog.Error(log("attacher.MountDevice failed to get CSI persistent source: %v", err))
return err
}
// Store volume metadata for UnmountDevice. Keep it around even if the
// driver does not support NodeStage, UnmountDevice still needs it.
if err = os.MkdirAll(deviceMountPath, 0750); err != nil {
glog.Error(log("attacher.MountDevice failed to create dir %#v: %v", deviceMountPath, err))
return err
}
glog.V(4).Info(log("created target path successfully [%s]", deviceMountPath))
dataDir := filepath.Dir(deviceMountPath)
data := map[string]string{
volDataKey.volHandle: csiSource.VolumeHandle,
volDataKey.driverName: csiSource.Driver,
}
if err = saveVolumeData(dataDir, volDataFileName, data); err != nil {
glog.Error(log("failed to save volume info data: %v", err))
if cleanerr := os.RemoveAll(dataDir); err != nil {
glog.Error(log("failed to remove dir after error [%s]: %v", dataDir, cleanerr))
}
return err
}
defer func() {
if err != nil {
// clean up metadata
glog.Errorf(log("attacher.MountDevice failed: %v", err))
if err := removeMountDir(c.plugin, deviceMountPath); err != nil {
glog.Error(log("attacher.MountDevice failed to remove mount dir after errir [%s]: %v", deviceMountPath, err))
}
}
}()
if c.csiClient == nil {
c.csiClient = newCsiDriverClient(csiSource.Driver)
}
csi := c.csiClient
ctx, cancel := context.WithTimeout(context.Background(), csiTimeout)
defer cancel()
// Check whether "STAGE_UNSTAGE_VOLUME" is set
stageUnstageSet, err := hasStageUnstageCapability(ctx, csi)
if err != nil {
return err
}
if !stageUnstageSet {
glog.Infof(log("attacher.MountDevice STAGE_UNSTAGE_VOLUME capability not set. Skipping MountDevice..."))
// defer does *not* remove the metadata file and it's correct - UnmountDevice needs it there.
return nil
}
// Start MountDevice
if deviceMountPath == "" {
err = fmt.Errorf("attacher.MountDevice failed, deviceMountPath is empty")
return err
}
nodeName := string(c.plugin.host.GetNodeName())
attachID := getAttachmentName(csiSource.VolumeHandle, csiSource.Driver, nodeName)
// search for attachment by VolumeAttachment.Spec.Source.PersistentVolumeName
attachment, err := c.k8s.StorageV1beta1().VolumeAttachments().Get(attachID, meta.GetOptions{})
if err != nil {
return err // This err already has enough context ("VolumeAttachment xyz not found")
}
if attachment == nil {
err = errors.New("no existing VolumeAttachment found")
return err
}
publishVolumeInfo := attachment.Status.AttachmentMetadata
nodeStageSecrets := map[string]string{}
if csiSource.NodeStageSecretRef != nil {
nodeStageSecrets, err = getCredentialsFromSecret(c.k8s, csiSource.NodeStageSecretRef)
if err != nil {
err = fmt.Errorf("fetching NodeStageSecretRef %s/%s failed: %v",
csiSource.NodeStageSecretRef.Namespace, csiSource.NodeStageSecretRef.Name, err)
return err
}
}
//TODO (vladimirvivien) implement better AccessModes mapping between k8s and CSI
accessMode := v1.ReadWriteOnce
if spec.PersistentVolume.Spec.AccessModes != nil {
accessMode = spec.PersistentVolume.Spec.AccessModes[0]
}
fsType := csiSource.FSType
err = csi.NodeStageVolume(ctx,
csiSource.VolumeHandle,
publishVolumeInfo,
deviceMountPath,
fsType,
accessMode,
nodeStageSecrets,
csiSource.VolumeAttributes)
if err != nil {
return err
}
glog.V(4).Infof(log("attacher.MountDevice successfully requested NodeStageVolume [%s]", deviceMountPath))
return nil
}
var _ volume.Detacher = &csiAttacher{}
func (c *csiAttacher) Detach(volumeName string, nodeName types.NodeName) error {
// volumeName in format driverName<SEP>volumeHandle generated by plugin.GetVolumeName()
if volumeName == "" {
glog.Error(log("detacher.Detach missing value for parameter volumeName"))
return errors.New("missing expected parameter volumeName")
}
parts := strings.Split(volumeName, volNameSep)
if len(parts) != 2 {
glog.Error(log("detacher.Detach insufficient info encoded in volumeName"))
return errors.New("volumeName missing expected data")
}
driverName := parts[0]
volID := parts[1]
attachID := getAttachmentName(volID, driverName, string(nodeName))
if err := c.k8s.StorageV1beta1().VolumeAttachments().Delete(attachID, nil); err != nil {
if apierrs.IsNotFound(err) {
// object deleted or never existed, done
glog.V(4).Info(log("VolumeAttachment object [%v] for volume [%v] not found, object deleted", attachID, volID))
return nil
}
glog.Error(log("detacher.Detach failed to delete VolumeAttachment [%s]: %v", attachID, err))
return err
}
glog.V(4).Info(log("detacher deleted ok VolumeAttachment.ID=%s", attachID))
return c.waitForVolumeDetachment(volID, attachID)
}
func (c *csiAttacher) waitForVolumeDetachment(volumeHandle, attachID string) error {
glog.V(4).Info(log("probing for updates from CSI driver for [attachment.ID=%v]", attachID))
timeout := c.waitSleepTime * 10
timer := time.NewTimer(timeout) // TODO (vladimirvivien) investigate making this configurable
defer timer.Stop()
return c.waitForVolumeDetachmentInternal(volumeHandle, attachID, timer, timeout)
}
func (c *csiAttacher) waitForVolumeDetachmentInternal(volumeHandle, attachID string, timer *time.Timer, timeout time.Duration) error {
glog.V(4).Info(log("probing VolumeAttachment [id=%v]", attachID))
attach, err := c.k8s.StorageV1beta1().VolumeAttachments().Get(attachID, meta.GetOptions{})
if err != nil {
if apierrs.IsNotFound(err) {
//object deleted or never existed, done
glog.V(4).Info(log("VolumeAttachment object [%v] for volume [%v] not found, object deleted", attachID, volumeHandle))
return nil
}
glog.Error(log("detacher.WaitForDetach failed for volume [%s] (will continue to try): %v", volumeHandle, err))
return err
}
// driver reports attach error
detachErr := attach.Status.DetachError
if detachErr != nil {
glog.Error(log("detachment for VolumeAttachment [%v] for volume [%s] failed: %v", attachID, volumeHandle, detachErr.Message))
return errors.New(detachErr.Message)
}
watcher, err := c.k8s.StorageV1beta1().VolumeAttachments().Watch(meta.SingleObject(meta.ObjectMeta{Name: attachID, ResourceVersion: attach.ResourceVersion}))
if err != nil {
return fmt.Errorf("watch error:%v for volume %v", err, volumeHandle)
}
ch := watcher.ResultChan()
defer watcher.Stop()
for {
select {
case event, ok := <-ch:
if !ok {
glog.Errorf("[attachment.ID=%v] watch channel had been closed", attachID)
return errors.New("volume attachment watch channel had been closed")
}
switch event.Type {
case watch.Added, watch.Modified:
attach, _ := event.Object.(*storage.VolumeAttachment)
// driver reports attach error
detachErr := attach.Status.DetachError
if detachErr != nil {
glog.Error(log("detachment for VolumeAttachment [%v] for volume [%s] failed: %v", attachID, volumeHandle, detachErr.Message))
return errors.New(detachErr.Message)
}
case watch.Deleted:
//object deleted
glog.V(4).Info(log("VolumeAttachment object [%v] for volume [%v] has been deleted", attachID, volumeHandle))
return nil
case watch.Error:
// start another cycle
c.waitForVolumeDetachmentInternal(volumeHandle, attachID, timer, timeout)
}
case <-timer.C:
glog.Error(log("detacher.WaitForDetach timeout after %v [volume=%v; attachment.ID=%v]", timeout, volumeHandle, attachID))
return fmt.Errorf("detachment timeout for volume %v", volumeHandle)
}
}
}
func (c *csiAttacher) UnmountDevice(deviceMountPath string) error {
glog.V(4).Info(log("attacher.UnmountDevice(%s)", deviceMountPath))
// Setup
var driverName, volID string
dataDir := filepath.Dir(deviceMountPath)
data, err := loadVolumeData(dataDir, volDataFileName)
if err == nil {
driverName = data[volDataKey.driverName]
volID = data[volDataKey.volHandle]
} else {
glog.Error(log("UnmountDevice failed to load volume data file [%s]: %v", dataDir, err))
// The volume might have been mounted by old CSI volume plugin. Fall back to the old behavior: read PV from API server
driverName, volID, err = getDriverAndVolNameFromDeviceMountPath(c.k8s, deviceMountPath)
if err != nil {
glog.Errorf(log("attacher.UnmountDevice failed to get driver and volume name from device mount path: %v", err))
return err
}
}
if c.csiClient == nil {
c.csiClient = newCsiDriverClient(driverName)
}
csi := c.csiClient
ctx, cancel := context.WithTimeout(context.Background(), csiTimeout)
defer cancel()
// Check whether "STAGE_UNSTAGE_VOLUME" is set
stageUnstageSet, err := hasStageUnstageCapability(ctx, csi)
if err != nil {
glog.Errorf(log("attacher.UnmountDevice failed to check whether STAGE_UNSTAGE_VOLUME set: %v", err))
return err
}
if !stageUnstageSet {
glog.Infof(log("attacher.UnmountDevice STAGE_UNSTAGE_VOLUME capability not set. Skipping UnmountDevice..."))
// Just delete the global directory + json file
if err := removeMountDir(c.plugin, deviceMountPath); err != nil {
return fmt.Errorf("failed to clean up gloubal mount %s: %s", dataDir, err)
}
return nil
}
// Start UnmountDevice
err = csi.NodeUnstageVolume(ctx,
volID,
deviceMountPath)
if err != nil {
glog.Errorf(log("attacher.UnmountDevice failed: %v", err))
return err
}
// Delete the global directory + json file
if err := removeMountDir(c.plugin, deviceMountPath); err != nil {
return fmt.Errorf("failed to clean up gloubal mount %s: %s", dataDir, err)
}
glog.V(4).Infof(log("attacher.UnmountDevice successfully requested NodeStageVolume [%s]", deviceMountPath))
return nil
}
func hasStageUnstageCapability(ctx context.Context, csi csiClient) (bool, error) {
capabilities, err := csi.NodeGetCapabilities(ctx)
if err != nil {
return false, err
}
stageUnstageSet := false
if capabilities == nil {
return false, nil
}
for _, capability := range capabilities {
if capability.GetRpc().GetType() == csipb.NodeServiceCapability_RPC_STAGE_UNSTAGE_VOLUME {
stageUnstageSet = true
}
}
return stageUnstageSet, nil
}
// getAttachmentName returns csi-<sha252(volName,csiDriverName,NodeName>
func getAttachmentName(volName, csiDriverName, nodeName string) string {
result := sha256.Sum256([]byte(fmt.Sprintf("%s%s%s", volName, csiDriverName, nodeName)))
return fmt.Sprintf("csi-%x", result)
}
func makeDeviceMountPath(plugin *csiPlugin, spec *volume.Spec) (string, error) {
if spec == nil {
return "", fmt.Errorf("makeDeviceMountPath failed, spec is nil")
}
pvName := spec.PersistentVolume.Name
if pvName == "" {
return "", fmt.Errorf("makeDeviceMountPath failed, pv name empty")
}
return path.Join(plugin.host.GetPluginDir(plugin.GetPluginName()), persistentVolumeInGlobalPath, pvName, globalMountInGlobalPath), nil
}
func getDriverAndVolNameFromDeviceMountPath(k8s kubernetes.Interface, deviceMountPath string) (string, string, error) {
// deviceMountPath structure: /var/lib/kubelet/plugins/kubernetes.io/csi/pv/{pvname}/globalmount
dir := filepath.Dir(deviceMountPath)
if file := filepath.Base(deviceMountPath); file != globalMountInGlobalPath {
return "", "", fmt.Errorf("getDriverAndVolNameFromDeviceMountPath failed, path did not end in %s", globalMountInGlobalPath)
}
// dir is now /var/lib/kubelet/plugins/kubernetes.io/csi/pv/{pvname}
pvName := filepath.Base(dir)
// Get PV and check for errors
pv, err := k8s.CoreV1().PersistentVolumes().Get(pvName, meta.GetOptions{})
if err != nil {
return "", "", err
}
if pv == nil || pv.Spec.CSI == nil {
return "", "", fmt.Errorf("getDriverAndVolNameFromDeviceMountPath could not find CSI Persistent Volume Source for pv: %s", pvName)
}
// Get VolumeHandle and PluginName from pv
csiSource := pv.Spec.CSI
if csiSource.Driver == "" {
return "", "", fmt.Errorf("getDriverAndVolNameFromDeviceMountPath failed, driver name empty")
}
if csiSource.VolumeHandle == "" {
return "", "", fmt.Errorf("getDriverAndVolNameFromDeviceMountPath failed, VolumeHandle empty")
}
return csiSource.Driver, csiSource.VolumeHandle, nil
}

775
vendor/k8s.io/kubernetes/pkg/volume/csi/csi_attacher_test.go generated vendored
View File

@ -1,775 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package csi
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"testing"
"time"
storage "k8s.io/api/storage/v1beta1"
apierrs "k8s.io/apimachinery/pkg/api/errors"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/watch"
fakeclient "k8s.io/client-go/kubernetes/fake"
core "k8s.io/client-go/testing"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
func makeTestAttachment(attachID, nodeName, pvName string) *storage.VolumeAttachment {
return &storage.VolumeAttachment{
ObjectMeta: meta.ObjectMeta{
Name: attachID,
},
Spec: storage.VolumeAttachmentSpec{
NodeName: nodeName,
Attacher: "mock",
Source: storage.VolumeAttachmentSource{
PersistentVolumeName: &pvName,
},
},
Status: storage.VolumeAttachmentStatus{
Attached: false,
AttachError: nil,
DetachError: nil,
},
}
}
func TestAttacherAttach(t *testing.T) {
testCases := []struct {
name string
nodeName string
driverName string
volumeName string
attachID string
injectAttacherError bool
shouldFail bool
}{
{
name: "test ok 1",
nodeName: "testnode-01",
driverName: "testdriver-01",
volumeName: "testvol-01",
attachID: getAttachmentName("testvol-01", "testdriver-01", "testnode-01"),
},
{
name: "test ok 2",
nodeName: "node02",
driverName: "driver02",
volumeName: "vol02",
attachID: getAttachmentName("vol02", "driver02", "node02"),
},
{
name: "mismatch vol",
nodeName: "node02",
driverName: "driver02",
volumeName: "vol01",
attachID: getAttachmentName("vol02", "driver02", "node02"),
shouldFail: true,
},
{
name: "mismatch driver",
nodeName: "node02",
driverName: "driver000",
volumeName: "vol02",
attachID: getAttachmentName("vol02", "driver02", "node02"),
shouldFail: true,
},
{
name: "mismatch node",
nodeName: "node000",
driverName: "driver000",
volumeName: "vol02",
attachID: getAttachmentName("vol02", "driver02", "node02"),
shouldFail: true,
},
{
name: "attacher error",
nodeName: "node02",
driverName: "driver02",
volumeName: "vol02",
attachID: getAttachmentName("vol02", "driver02", "node02"),
injectAttacherError: true,
shouldFail: true,
},
}
// attacher loop
for i, tc := range testCases {
t.Logf("test case: %s", tc.name)
plug, fakeWatcher, tmpDir, _ := newTestWatchPlugin(t)
defer os.RemoveAll(tmpDir)
attacher, err := plug.NewAttacher()
if err != nil {
t.Fatalf("failed to create new attacher: %v", err)
}
csiAttacher := attacher.(*csiAttacher)
spec := volume.NewSpecFromPersistentVolume(makeTestPV(fmt.Sprintf("test-pv%d", i), 10, tc.driverName, tc.volumeName), false)
go func(id, nodename string, fail bool) {
attachID, err := csiAttacher.Attach(spec, types.NodeName(nodename))
if !fail && err != nil {
t.Errorf("expecting no failure, but got err: %v", err)
}
if fail && err == nil {
t.Errorf("expecting failure, but got no err")
}
if attachID != id && !fail {
t.Errorf("expecting attachID %v, got %v", id, attachID)
}
}(tc.attachID, tc.nodeName, tc.shouldFail)
// update attachment to avoid long waitForAttachment
ticker := time.NewTicker(10 * time.Millisecond)
defer ticker.Stop()
// wait for attachment to be saved
var attach *storage.VolumeAttachment
for i := 0; i < 100; i++ {
attach, err = csiAttacher.k8s.StorageV1beta1().VolumeAttachments().Get(tc.attachID, meta.GetOptions{})
if err != nil {
if apierrs.IsNotFound(err) {
<-ticker.C
continue
}
t.Error(err)
}
if attach != nil {
break
}
}
if attach == nil {
t.Logf("attachment not found for id:%v", tc.attachID)
} else {
if tc.injectAttacherError {
attach.Status.Attached = false
attach.Status.AttachError = &storage.VolumeError{
Message: "attacher error",
}
} else {
attach.Status.Attached = true
}
_, err = csiAttacher.k8s.StorageV1beta1().VolumeAttachments().Update(attach)
if err != nil {
t.Error(err)
}
fakeWatcher.Modify(attach)
}
}
}
func TestAttacherWaitForVolumeAttachment(t *testing.T) {
nodeName := "test-node"
testCases := []struct {
name string
initAttached bool
finalAttached bool
trigerWatchEventTime time.Duration
initAttachErr *storage.VolumeError
finalAttachErr *storage.VolumeError
timeout time.Duration
shouldFail bool
}{
{
name: "attach success at get",
initAttached: true,
timeout: 50 * time.Millisecond,
shouldFail: false,
},
{
name: "attachment error ant get",
initAttachErr: &storage.VolumeError{Message: "missing volume"},
timeout: 30 * time.Millisecond,
shouldFail: true,
},
{
name: "attach success at watch",
initAttached: false,
finalAttached: true,
trigerWatchEventTime: 5 * time.Millisecond,
timeout: 50 * time.Millisecond,
shouldFail: false,
},
{
name: "attachment error ant watch",
initAttached: false,
finalAttached: false,
finalAttachErr: &storage.VolumeError{Message: "missing volume"},
trigerWatchEventTime: 5 * time.Millisecond,
timeout: 30 * time.Millisecond,
shouldFail: true,
},
{
name: "time ran out",
initAttached: false,
finalAttached: true,
trigerWatchEventTime: 100 * time.Millisecond,
timeout: 50 * time.Millisecond,
shouldFail: true,
},
}
for i, tc := range testCases {
plug, fakeWatcher, tmpDir, _ := newTestWatchPlugin(t)
defer os.RemoveAll(tmpDir)
attacher, err := plug.NewAttacher()
if err != nil {
t.Fatalf("failed to create new attacher: %v", err)
}
csiAttacher := attacher.(*csiAttacher)
t.Logf("running test: %v", tc.name)
pvName := fmt.Sprintf("test-pv-%d", i)
volID := fmt.Sprintf("test-vol-%d", i)
attachID := getAttachmentName(volID, testDriver, nodeName)
attachment := makeTestAttachment(attachID, nodeName, pvName)
attachment.Status.Attached = tc.initAttached
attachment.Status.AttachError = tc.initAttachErr
_, err = csiAttacher.k8s.StorageV1beta1().VolumeAttachments().Create(attachment)
if err != nil {
t.Fatalf("failed to attach: %v", err)
}
trigerWatchEventTime := tc.trigerWatchEventTime
finalAttached := tc.finalAttached
finalAttachErr := tc.finalAttachErr
// after timeout, fakeWatcher will be closed by csiAttacher.waitForVolumeAttachment
if tc.trigerWatchEventTime > 0 && tc.trigerWatchEventTime < tc.timeout {
go func() {
time.Sleep(trigerWatchEventTime)
attachment := makeTestAttachment(attachID, nodeName, pvName)
attachment.Status.Attached = finalAttached
attachment.Status.AttachError = finalAttachErr
fakeWatcher.Modify(attachment)
}()
}
retID, err := csiAttacher.waitForVolumeAttachment(volID, attachID, tc.timeout)
if tc.shouldFail && err == nil {
t.Error("expecting failure, but err is nil")
}
if tc.initAttachErr != nil {
if tc.initAttachErr.Message != err.Error() {
t.Errorf("expecting error [%v], got [%v]", tc.initAttachErr.Message, err.Error())
}
}
if err == nil && retID != attachID {
t.Errorf("attacher.WaitForAttach not returning attachment ID")
}
}
}
func TestAttacherVolumesAreAttached(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
attacher, err := plug.NewAttacher()
if err != nil {
t.Fatalf("failed to create new attacher: %v", err)
}
csiAttacher := attacher.(*csiAttacher)
nodeName := "test-node"
testCases := []struct {
name string
attachedStats map[string]bool
}{
{"attach + detach", map[string]bool{"vol-01": true, "vol-02": true, "vol-03": false, "vol-04": false, "vol-05": true}},
{"all detached", map[string]bool{"vol-11": false, "vol-12": false, "vol-13": false, "vol-14": false, "vol-15": false}},
{"all attached", map[string]bool{"vol-21": true, "vol-22": true, "vol-23": true, "vol-24": true, "vol-25": true}},
}
for _, tc := range testCases {
var specs []*volume.Spec
// create and save volume attchments
for volName, stat := range tc.attachedStats {
pv := makeTestPV("test-pv", 10, testDriver, volName)
spec := volume.NewSpecFromPersistentVolume(pv, pv.Spec.PersistentVolumeSource.CSI.ReadOnly)
specs = append(specs, spec)
attachID := getAttachmentName(volName, testDriver, nodeName)
attachment := makeTestAttachment(attachID, nodeName, pv.GetName())
attachment.Status.Attached = stat
_, err := csiAttacher.k8s.StorageV1beta1().VolumeAttachments().Create(attachment)
if err != nil {
t.Fatalf("failed to attach: %v", err)
}
}
// retrieve attached status
stats, err := csiAttacher.VolumesAreAttached(specs, types.NodeName(nodeName))
if err != nil {
t.Fatal(err)
}
if len(tc.attachedStats) != len(stats) {
t.Errorf("expecting %d attachment status, got %d", len(tc.attachedStats), len(stats))
}
// compare attachment status for each spec
for spec, stat := range stats {
source, err := getCSISourceFromSpec(spec)
if err != nil {
t.Error(err)
}
if stat != tc.attachedStats[source.VolumeHandle] {
t.Errorf("expecting volume attachment %t, got %t", tc.attachedStats[source.VolumeHandle], stat)
}
}
}
}
func TestAttacherDetach(t *testing.T) {
nodeName := "test-node"
testCases := []struct {
name string
volID string
attachID string
shouldFail bool
reactor func(action core.Action) (handled bool, ret runtime.Object, err error)
}{
{name: "normal test", volID: "vol-001", attachID: getAttachmentName("vol-001", testDriver, nodeName)},
{name: "normal test 2", volID: "vol-002", attachID: getAttachmentName("vol-002", testDriver, nodeName)},
{name: "object not found", volID: "vol-non-existing", attachID: getAttachmentName("vol-003", testDriver, nodeName)},
{
name: "API error",
volID: "vol-004",
attachID: getAttachmentName("vol-004", testDriver, nodeName),
shouldFail: true, // All other API errors should be propagated to caller
reactor: func(action core.Action) (handled bool, ret runtime.Object, err error) {
// return Forbidden to all DELETE requests
if action.Matches("delete", "volumeattachments") {
return true, nil, apierrs.NewForbidden(action.GetResource().GroupResource(), action.GetNamespace(), fmt.Errorf("mock error"))
}
return false, nil, nil
},
},
}
for _, tc := range testCases {
t.Logf("running test: %v", tc.name)
plug, fakeWatcher, tmpDir, client := newTestWatchPlugin(t)
defer os.RemoveAll(tmpDir)
if tc.reactor != nil {
client.PrependReactor("*", "*", tc.reactor)
}
attacher, err0 := plug.NewAttacher()
if err0 != nil {
t.Fatalf("failed to create new attacher: %v", err0)
}
csiAttacher := attacher.(*csiAttacher)
pv := makeTestPV("test-pv", 10, testDriver, tc.volID)
spec := volume.NewSpecFromPersistentVolume(pv, pv.Spec.PersistentVolumeSource.CSI.ReadOnly)
attachment := makeTestAttachment(tc.attachID, nodeName, "test-pv")
_, err := csiAttacher.k8s.StorageV1beta1().VolumeAttachments().Create(attachment)
if err != nil {
t.Fatalf("failed to attach: %v", err)
}
volumeName, err := plug.GetVolumeName(spec)
if err != nil {
t.Errorf("test case %s failed: %v", tc.name, err)
}
go func() {
fakeWatcher.Delete(attachment)
}()
err = csiAttacher.Detach(volumeName, types.NodeName(nodeName))
if tc.shouldFail && err == nil {
t.Fatal("expecting failure, but err = nil")
}
if !tc.shouldFail && err != nil {
t.Fatalf("unexpected err: %v", err)
}
attach, err := csiAttacher.k8s.StorageV1beta1().VolumeAttachments().Get(tc.attachID, meta.GetOptions{})
if err != nil {
if !apierrs.IsNotFound(err) {
t.Fatalf("unexpected err: %v", err)
}
} else {
if attach == nil {
t.Errorf("expecting attachment not to be nil, but it is")
}
}
}
}
func TestAttacherGetDeviceMountPath(t *testing.T) {
// Setup
// Create a new attacher
plug, _, tmpDir, _ := newTestWatchPlugin(t)
defer os.RemoveAll(tmpDir)
attacher, err0 := plug.NewAttacher()
if err0 != nil {
t.Fatalf("failed to create new attacher: %v", err0)
}
csiAttacher := attacher.(*csiAttacher)
pluginDir := csiAttacher.plugin.host.GetPluginDir(plug.GetPluginName())
testCases := []struct {
testName string
pvName string
expectedMountPath string
shouldFail bool
}{
{
testName: "normal test",
pvName: "test-pv1",
expectedMountPath: pluginDir + "/pv/test-pv1/globalmount",
},
{
testName: "no pv name",
pvName: "",
expectedMountPath: pluginDir + "/pv/test-pv1/globalmount",
shouldFail: true,
},
}
for _, tc := range testCases {
t.Logf("Running test case: %s", tc.testName)
var spec *volume.Spec
// Create spec
pv := makeTestPV(tc.pvName, 10, testDriver, "testvol")
spec = volume.NewSpecFromPersistentVolume(pv, pv.Spec.PersistentVolumeSource.CSI.ReadOnly)
// Run
mountPath, err := csiAttacher.GetDeviceMountPath(spec)
// Verify
if err != nil && !tc.shouldFail {
t.Errorf("test should not fail, but error occurred: %v", err)
} else if err == nil {
if tc.shouldFail {
t.Errorf("test should fail, but no error occurred")
} else if mountPath != tc.expectedMountPath {
t.Errorf("mountPath does not equal expectedMountPath. Got: %s. Expected: %s", mountPath, tc.expectedMountPath)
}
}
}
}
func TestAttacherMountDevice(t *testing.T) {
testCases := []struct {
testName string
volName string
devicePath string
deviceMountPath string
stageUnstageSet bool
shouldFail bool
}{
{
testName: "normal",
volName: "test-vol1",
devicePath: "path1",
deviceMountPath: "path2",
stageUnstageSet: true,
},
{
testName: "no vol name",
volName: "",
devicePath: "path1",
deviceMountPath: "path2",
stageUnstageSet: true,
shouldFail: true,
},
{
testName: "no device path",
volName: "test-vol1",
devicePath: "",
deviceMountPath: "path2",
stageUnstageSet: true,
shouldFail: false,
},
{
testName: "no device mount path",
volName: "test-vol1",
devicePath: "path1",
deviceMountPath: "",
stageUnstageSet: true,
shouldFail: true,
},
{
testName: "stage_unstage cap not set",
volName: "test-vol1",
devicePath: "path1",
deviceMountPath: "path2",
stageUnstageSet: false,
},
}
for _, tc := range testCases {
t.Logf("Running test case: %s", tc.testName)
var spec *volume.Spec
pvName := "test-pv"
// Setup
// Create a new attacher
plug, fakeWatcher, tmpDir, _ := newTestWatchPlugin(t)
defer os.RemoveAll(tmpDir)
attacher, err0 := plug.NewAttacher()
if err0 != nil {
t.Fatalf("failed to create new attacher: %v", err0)
}
csiAttacher := attacher.(*csiAttacher)
csiAttacher.csiClient = setupClient(t, tc.stageUnstageSet)
nodeName := string(csiAttacher.plugin.host.GetNodeName())
// Create spec
pv := makeTestPV(pvName, 10, testDriver, tc.volName)
spec = volume.NewSpecFromPersistentVolume(pv, pv.Spec.PersistentVolumeSource.CSI.ReadOnly)
attachID := getAttachmentName(tc.volName, testDriver, nodeName)
// Set up volume attachment
attachment := makeTestAttachment(attachID, nodeName, pvName)
_, err := csiAttacher.k8s.StorageV1beta1().VolumeAttachments().Create(attachment)
if err != nil {
t.Fatalf("failed to attach: %v", err)
}
go func() {
fakeWatcher.Delete(attachment)
}()
// Run
err = csiAttacher.MountDevice(spec, tc.devicePath, tc.deviceMountPath)
// Verify
if err != nil {
if !tc.shouldFail {
t.Errorf("test should not fail, but error occurred: %v", err)
}
continue
}
if err == nil && tc.shouldFail {
t.Errorf("test should fail, but no error occurred")
}
// Verify call goes through all the way
numStaged := 1
if !tc.stageUnstageSet {
numStaged = 0
}
cdc := csiAttacher.csiClient.(*fakeCsiDriverClient)
staged := cdc.nodeClient.GetNodeStagedVolumes()
if len(staged) != numStaged {
t.Errorf("got wrong number of staged volumes, expecting %v got: %v", numStaged, len(staged))
}
if tc.stageUnstageSet {
gotPath, ok := staged[tc.volName]
if !ok {
t.Errorf("could not find staged volume: %s", tc.volName)
}
if gotPath != tc.deviceMountPath {
t.Errorf("expected mount path: %s. got: %s", tc.deviceMountPath, gotPath)
}
}
}
}
func TestAttacherUnmountDevice(t *testing.T) {
testCases := []struct {
testName string
volID string
deviceMountPath string
jsonFile string
createPV bool
stageUnstageSet bool
shouldFail bool
}{
{
testName: "normal, json file exists",
volID: "project/zone/test-vol1",
deviceMountPath: "plugins/csi/pv/test-pv-name/globalmount",
jsonFile: `{"driverName": "csi", "volumeHandle":"project/zone/test-vol1"}`,
createPV: false,
stageUnstageSet: true,
},
{
testName: "normal, json file doesn't exist -> use PV",
volID: "project/zone/test-vol1",
deviceMountPath: "plugins/csi/pv/test-pv-name/globalmount",
jsonFile: "",
createPV: true,
stageUnstageSet: true,
},
{
testName: "invalid json -> use PV",
volID: "project/zone/test-vol1",
deviceMountPath: "plugins/csi/pv/test-pv-name/globalmount",
jsonFile: `{"driverName"}}`,
createPV: true,
stageUnstageSet: true,
},
{
testName: "no json, no PV.volID",
volID: "",
deviceMountPath: "plugins/csi/pv/test-pv-name/globalmount",
jsonFile: "",
createPV: true,
shouldFail: true,
},
{
testName: "no json, no PV",
volID: "project/zone/test-vol1",
deviceMountPath: "plugins/csi/pv/test-pv-name/globalmount",
jsonFile: "",
createPV: false,
stageUnstageSet: true,
shouldFail: true,
},
{
testName: "stage_unstage not set no vars should not fail",
stageUnstageSet: false,
},
}
for _, tc := range testCases {
t.Logf("Running test case: %s", tc.testName)
// Setup
// Create a new attacher
plug, _, tmpDir, _ := newTestWatchPlugin(t)
defer os.RemoveAll(tmpDir)
attacher, err0 := plug.NewAttacher()
if err0 != nil {
t.Fatalf("failed to create new attacher: %v", err0)
}
csiAttacher := attacher.(*csiAttacher)
csiAttacher.csiClient = setupClient(t, tc.stageUnstageSet)
if tc.deviceMountPath != "" {
tc.deviceMountPath = filepath.Join(tmpDir, tc.deviceMountPath)
}
// Add the volume to NodeStagedVolumes
cdc := csiAttacher.csiClient.(*fakeCsiDriverClient)
cdc.nodeClient.AddNodeStagedVolume(tc.volID, tc.deviceMountPath)
// Make JSON for this object
if tc.deviceMountPath != "" {
if err := os.MkdirAll(tc.deviceMountPath, 0755); err != nil {
t.Fatalf("error creating directory %s: %s", tc.deviceMountPath, err)
}
}
dir := filepath.Dir(tc.deviceMountPath)
if tc.jsonFile != "" {
dataPath := filepath.Join(dir, volDataFileName)
if err := ioutil.WriteFile(dataPath, []byte(tc.jsonFile), 0644); err != nil {
t.Fatalf("error creating %s: %s", dataPath, err)
}
}
if tc.createPV {
// Make the PV for this object
pvName := filepath.Base(dir)
pv := makeTestPV(pvName, 5, "csi", tc.volID)
_, err := csiAttacher.k8s.CoreV1().PersistentVolumes().Create(pv)
if err != nil && !tc.shouldFail {
t.Fatalf("Failed to create PV: %v", err)
}
}
// Run
err := csiAttacher.UnmountDevice(tc.deviceMountPath)
// Verify
if err != nil {
if !tc.shouldFail {
t.Errorf("test should not fail, but error occurred: %v", err)
}
continue
}
if err == nil && tc.shouldFail {
t.Errorf("test should fail, but no error occurred")
}
// Verify call goes through all the way
expectedSet := 0
if !tc.stageUnstageSet {
expectedSet = 1
}
staged := cdc.nodeClient.GetNodeStagedVolumes()
if len(staged) != expectedSet {
t.Errorf("got wrong number of staged volumes, expecting %v got: %v", expectedSet, len(staged))
}
_, ok := staged[tc.volID]
if ok && tc.stageUnstageSet {
t.Errorf("found unexpected staged volume: %s", tc.volID)
} else if !ok && !tc.stageUnstageSet {
t.Errorf("could not find expected staged volume: %s", tc.volID)
}
if tc.jsonFile != "" && !tc.shouldFail {
dataPath := filepath.Join(dir, volDataFileName)
if _, err := os.Stat(dataPath); !os.IsNotExist(err) {
if err != nil {
t.Errorf("error checking file %s: %s", dataPath, err)
} else {
t.Errorf("json file %s should not exists, but it does", dataPath)
}
} else {
t.Logf("json file %s was correctly removed", dataPath)
}
}
}
}
// create a plugin mgr to load plugins and setup a fake client
func newTestWatchPlugin(t *testing.T) (*csiPlugin, *watch.RaceFreeFakeWatcher, string, *fakeclient.Clientset) {
tmpDir, err := utiltesting.MkTmpdir("csi-test")
if err != nil {
t.Fatalf("can't create temp dir: %v", err)
}
fakeClient := fakeclient.NewSimpleClientset()
fakeWatcher := watch.NewRaceFreeFake()
fakeClient.Fake.PrependWatchReactor("*", core.DefaultWatchReactor(fakeWatcher, nil))
fakeClient.Fake.WatchReactionChain = fakeClient.Fake.WatchReactionChain[:1]
host := volumetest.NewFakeVolumeHost(
tmpDir,
fakeClient,
nil,
)
plugMgr := &volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, host)
plug, err := plugMgr.FindPluginByName(csiPluginName)
if err != nil {
t.Fatalf("can't find plugin %v", csiPluginName)
}
csiPlug, ok := plug.(*csiPlugin)
if !ok {
t.Fatalf("cannot assert plugin to be type csiPlugin")
}
return csiPlug, fakeWatcher, tmpDir, fakeClient
}

283
vendor/k8s.io/kubernetes/pkg/volume/csi/csi_block.go generated vendored
View File

@ -1,283 +0,0 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package csi
import (
"context"
"errors"
"fmt"
"os"
"path/filepath"
"github.com/golang/glog"
"k8s.io/api/core/v1"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/kubernetes"
"k8s.io/kubernetes/pkg/volume"
)
type csiBlockMapper struct {
k8s kubernetes.Interface
csiClient csiClient
plugin *csiPlugin
driverName string
specName string
volumeID string
readOnly bool
spec *volume.Spec
podUID types.UID
volumeInfo map[string]string
}
var _ volume.BlockVolumeMapper = &csiBlockMapper{}
// GetGlobalMapPath returns a path (on the node) where the devicePath will be symlinked to
// Example: plugins/kubernetes.io/csi/volumeDevices/{volumeID}
func (m *csiBlockMapper) GetGlobalMapPath(spec *volume.Spec) (string, error) {
dir := getVolumeDevicePluginDir(spec.Name(), m.plugin.host)
glog.V(4).Infof(log("blockMapper.GetGlobalMapPath = %s", dir))
return dir, nil
}
// GetPodDeviceMapPath returns pod's device map path and volume name
// path: pods/{podUid}/volumeDevices/kubernetes.io~csi/, {volumeID}
func (m *csiBlockMapper) GetPodDeviceMapPath() (string, string) {
path, specName := m.plugin.host.GetPodVolumeDeviceDir(m.podUID, csiPluginName), m.specName
glog.V(4).Infof(log("blockMapper.GetPodDeviceMapPath = %s", path))
return path, specName
}
// SetUpDevice ensures the device is attached returns path where the device is located.
func (m *csiBlockMapper) SetUpDevice() (string, error) {
if !m.plugin.blockEnabled {
return "", errors.New("CSIBlockVolume feature not enabled")
}
glog.V(4).Infof(log("blockMapper.SetupDevice called"))
if m.spec == nil {
glog.Error(log("blockMapper.Map spec is nil"))
return "", fmt.Errorf("spec is nil")
}
csiSource, err := getCSISourceFromSpec(m.spec)
if err != nil {
glog.Error(log("blockMapper.SetupDevice failed to get CSI persistent source: %v", err))
return "", err
}
globalMapPath, err := m.GetGlobalMapPath(m.spec)
if err != nil {
glog.Error(log("blockMapper.SetupDevice failed to get global map path: %v", err))
return "", err
}
csi := m.csiClient
ctx, cancel := context.WithTimeout(context.Background(), csiTimeout)
defer cancel()
// Check whether "STAGE_UNSTAGE_VOLUME" is set
stageUnstageSet, err := hasStageUnstageCapability(ctx, csi)
if err != nil {
glog.Error(log("blockMapper.SetupDevice failed to check STAGE_UNSTAGE_VOLUME capability: %v", err))
return "", err
}
if !stageUnstageSet {
glog.Infof(log("blockMapper.SetupDevice STAGE_UNSTAGE_VOLUME capability not set. Skipping MountDevice..."))
return "", nil
}
// Start MountDevice
nodeName := string(m.plugin.host.GetNodeName())
attachID := getAttachmentName(csiSource.VolumeHandle, csiSource.Driver, nodeName)
// search for attachment by VolumeAttachment.Spec.Source.PersistentVolumeName
attachment, err := m.k8s.StorageV1beta1().VolumeAttachments().Get(attachID, meta.GetOptions{})
if err != nil {
glog.Error(log("blockMapper.SetupDevice failed to get volume attachment [id=%v]: %v", attachID, err))
return "", err
}
if attachment == nil {
glog.Error(log("blockMapper.SetupDevice unable to find VolumeAttachment [id=%s]", attachID))
return "", errors.New("no existing VolumeAttachment found")
}
publishVolumeInfo := attachment.Status.AttachmentMetadata
nodeStageSecrets := map[string]string{}
if csiSource.NodeStageSecretRef != nil {
nodeStageSecrets, err = getCredentialsFromSecret(m.k8s, csiSource.NodeStageSecretRef)
if err != nil {
return "", fmt.Errorf("failed to get NodeStageSecretRef %s/%s: %v",
csiSource.NodeStageSecretRef.Namespace, csiSource.NodeStageSecretRef.Name, err)
}
}
// create globalMapPath before call to NodeStageVolume
if err := os.MkdirAll(globalMapPath, 0750); err != nil {
glog.Error(log("blockMapper.SetupDevice failed to create dir %s: %v", globalMapPath, err))
return "", err
}
glog.V(4).Info(log("blockMapper.SetupDevice created global device map path successfully [%s]", globalMapPath))
//TODO (vladimirvivien) implement better AccessModes mapping between k8s and CSI
accessMode := v1.ReadWriteOnce
if m.spec.PersistentVolume.Spec.AccessModes != nil {
accessMode = m.spec.PersistentVolume.Spec.AccessModes[0]
}
err = csi.NodeStageVolume(ctx,
csiSource.VolumeHandle,
publishVolumeInfo,
globalMapPath,
fsTypeBlockName,
accessMode,
nodeStageSecrets,
csiSource.VolumeAttributes)
if err != nil {
glog.Error(log("blockMapper.SetupDevice failed: %v", err))
if err := os.RemoveAll(globalMapPath); err != nil {
glog.Error(log("blockMapper.SetupDevice failed to remove dir after a NodeStageVolume() error [%s]: %v", globalMapPath, err))
}
return "", err
}
glog.V(4).Infof(log("blockMapper.SetupDevice successfully requested NodeStageVolume [%s]", globalMapPath))
return globalMapPath, nil
}
func (m *csiBlockMapper) MapDevice(devicePath, globalMapPath, volumeMapPath, volumeMapName string, podUID types.UID) error {
if !m.plugin.blockEnabled {
return errors.New("CSIBlockVolume feature not enabled")
}
glog.V(4).Infof(log("blockMapper.MapDevice mapping block device %s", devicePath))
if m.spec == nil {
glog.Error(log("blockMapper.MapDevice spec is nil"))
return fmt.Errorf("spec is nil")
}
csiSource, err := getCSISourceFromSpec(m.spec)
if err != nil {
glog.Error(log("blockMapper.Map failed to get CSI persistent source: %v", err))
return err
}
dir := filepath.Join(volumeMapPath, volumeMapName)
csi := m.csiClient
ctx, cancel := context.WithTimeout(context.Background(), csiTimeout)
defer cancel()
nodeName := string(m.plugin.host.GetNodeName())
attachID := getAttachmentName(csiSource.VolumeHandle, csiSource.Driver, nodeName)
// search for attachment by VolumeAttachment.Spec.Source.PersistentVolumeName
attachment, err := m.k8s.StorageV1beta1().VolumeAttachments().Get(attachID, meta.GetOptions{})
if err != nil {
glog.Error(log("blockMapper.MapDevice failed to get volume attachment [id=%v]: %v", attachID, err))
return err
}
if attachment == nil {
glog.Error(log("blockMapper.MapDevice unable to find VolumeAttachment [id=%s]", attachID))
return errors.New("no existing VolumeAttachment found")
}
publishVolumeInfo := attachment.Status.AttachmentMetadata
nodePublishSecrets := map[string]string{}
if csiSource.NodePublishSecretRef != nil {
nodePublishSecrets, err = getCredentialsFromSecret(m.k8s, csiSource.NodePublishSecretRef)
if err != nil {
glog.Errorf("blockMapper.MapDevice failed to get NodePublishSecretRef %s/%s: %v",
csiSource.NodePublishSecretRef.Namespace, csiSource.NodePublishSecretRef.Name, err)
return err
}
}
if err := os.MkdirAll(dir, 0750); err != nil {
glog.Error(log("blockMapper.MapDevice failed to create dir %#v: %v", dir, err))
return err
}
glog.V(4).Info(log("blockMapper.MapDevice created NodePublish path [%s]", dir))
//TODO (vladimirvivien) implement better AccessModes mapping between k8s and CSI
accessMode := v1.ReadWriteOnce
if m.spec.PersistentVolume.Spec.AccessModes != nil {
accessMode = m.spec.PersistentVolume.Spec.AccessModes[0]
}
err = csi.NodePublishVolume(
ctx,
m.volumeID,
m.readOnly,
globalMapPath,
dir,
accessMode,
publishVolumeInfo,
csiSource.VolumeAttributes,
nodePublishSecrets,
fsTypeBlockName,
)
if err != nil {
glog.Errorf(log("blockMapper.MapDevice failed: %v", err))
if err := os.RemoveAll(dir); err != nil {
glog.Error(log("blockMapper.MapDevice failed to remove mount dir after a NodePublish() error [%s]: %v", dir, err))
}
return err
}
return nil
}
var _ volume.BlockVolumeUnmapper = &csiBlockMapper{}
// TearDownDevice removes traces of the SetUpDevice.
func (m *csiBlockMapper) TearDownDevice(globalMapPath, devicePath string) error {
if !m.plugin.blockEnabled {
return errors.New("CSIBlockVolume feature not enabled")
}
glog.V(4).Infof(log("unmapper.TearDownDevice(globalMapPath=%s; devicePath=%s)", globalMapPath, devicePath))
csi := m.csiClient
ctx, cancel := context.WithTimeout(context.Background(), csiTimeout)
defer cancel()
// unmap global device map path
if err := csi.NodeUnstageVolume(ctx, m.volumeID, globalMapPath); err != nil {
glog.Errorf(log("blockMapper.TearDownDevice failed: %v", err))
return err
}
glog.V(4).Infof(log("blockMapper.TearDownDevice NodeUnstageVolume successfully [%s]", globalMapPath))
// request to remove pod volume map path also
podVolumePath, volumeName := m.GetPodDeviceMapPath()
podVolumeMapPath := filepath.Join(podVolumePath, volumeName)
if err := csi.NodeUnpublishVolume(ctx, m.volumeID, podVolumeMapPath); err != nil {
glog.Error(log("blockMapper.TearDownDevice failed: %v", err))
return err
}
glog.V(4).Infof(log("blockMapper.TearDownDevice NodeUnpublished successfully [%s]", podVolumeMapPath))
return nil
}

264
vendor/k8s.io/kubernetes/pkg/volume/csi/csi_block_test.go generated vendored
View File

@ -1,264 +0,0 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package csi
import (
"fmt"
"os"
"path"
"path/filepath"
"testing"
api "k8s.io/api/core/v1"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
fakeclient "k8s.io/client-go/kubernetes/fake"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
func TestBlockMapperGetGlobalMapPath(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
// TODO (vladimirvivien) specName with slashes will not work
testCases := []struct {
name string
specVolumeName string
path string
}{
{
name: "simple specName",
specVolumeName: "spec-0",
path: path.Join(tmpDir, fmt.Sprintf("plugins/kubernetes.io/csi/volumeDevices/%s/%s", "spec-0", "dev")),
},
{
name: "specName with dots",
specVolumeName: "test.spec.1",
path: path.Join(tmpDir, fmt.Sprintf("plugins/kubernetes.io/csi/volumeDevices/%s/%s", "test.spec.1", "dev")),
},
}
for _, tc := range testCases {
t.Logf("test case: %s", tc.name)
pv := makeTestPV(tc.specVolumeName, 10, testDriver, testVol)
spec := volume.NewSpecFromPersistentVolume(pv, pv.Spec.PersistentVolumeSource.CSI.ReadOnly)
mapper, err := plug.NewBlockVolumeMapper(
spec,
&api.Pod{ObjectMeta: meta.ObjectMeta{UID: testPodUID, Namespace: testns}},
volume.VolumeOptions{},
)
if err != nil {
t.Fatalf("Failed to make a new Mapper: %v", err)
}
csiMapper := mapper.(*csiBlockMapper)
path, err := csiMapper.GetGlobalMapPath(spec)
if err != nil {
t.Errorf("mapper GetGlobalMapPath failed: %v", err)
}
if tc.path != path {
t.Errorf("expecting path %s, got %s", tc.path, path)
}
}
}
func TestBlockMapperSetupDevice(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
fakeClient := fakeclient.NewSimpleClientset()
host := volumetest.NewFakeVolumeHostWithNodeName(
tmpDir,
fakeClient,
nil,
"fakeNode",
)
plug.host = host
pv := makeTestPV("test-pv", 10, testDriver, testVol)
pvName := pv.GetName()
nodeName := string(plug.host.GetNodeName())
spec := volume.NewSpecFromPersistentVolume(pv, pv.Spec.PersistentVolumeSource.CSI.ReadOnly)
// MapDevice
mapper, err := plug.NewBlockVolumeMapper(
spec,
&api.Pod{ObjectMeta: meta.ObjectMeta{UID: testPodUID, Namespace: testns}},
volume.VolumeOptions{},
)
if err != nil {
t.Fatalf("failed to create new mapper: %v", err)
}
csiMapper := mapper.(*csiBlockMapper)
csiMapper.csiClient = setupClient(t, true)
attachID := getAttachmentName(csiMapper.volumeID, csiMapper.driverName, string(nodeName))
attachment := makeTestAttachment(attachID, nodeName, pvName)
attachment.Status.Attached = true
_, err = csiMapper.k8s.StorageV1beta1().VolumeAttachments().Create(attachment)
if err != nil {
t.Fatalf("failed to setup VolumeAttachment: %v", err)
}
t.Log("created attachement ", attachID)
devicePath, err := csiMapper.SetUpDevice()
if err != nil {
t.Fatalf("mapper failed to SetupDevice: %v", err)
}
globalMapPath, err := csiMapper.GetGlobalMapPath(spec)
if err != nil {
t.Fatalf("mapper failed to GetGlobalMapPath: %v", err)
}
if devicePath != globalMapPath {
t.Fatalf("mapper.SetupDevice returned unexpected path %s instead of %v", devicePath, globalMapPath)
}
vols := csiMapper.csiClient.(*fakeCsiDriverClient).nodeClient.GetNodeStagedVolumes()
if vols[csiMapper.volumeID] != devicePath {
t.Error("csi server may not have received NodePublishVolume call")
}
}
func TestBlockMapperMapDevice(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
fakeClient := fakeclient.NewSimpleClientset()
host := volumetest.NewFakeVolumeHostWithNodeName(
tmpDir,
fakeClient,
nil,
"fakeNode",
)
plug.host = host
pv := makeTestPV("test-pv", 10, testDriver, testVol)
pvName := pv.GetName()
nodeName := string(plug.host.GetNodeName())
spec := volume.NewSpecFromPersistentVolume(pv, pv.Spec.PersistentVolumeSource.CSI.ReadOnly)
// MapDevice
mapper, err := plug.NewBlockVolumeMapper(
spec,
&api.Pod{ObjectMeta: meta.ObjectMeta{UID: testPodUID, Namespace: testns}},
volume.VolumeOptions{},
)
if err != nil {
t.Fatalf("failed to create new mapper: %v", err)
}
csiMapper := mapper.(*csiBlockMapper)
csiMapper.csiClient = setupClient(t, true)
attachID := getAttachmentName(csiMapper.volumeID, csiMapper.driverName, string(nodeName))
attachment := makeTestAttachment(attachID, nodeName, pvName)
attachment.Status.Attached = true
_, err = csiMapper.k8s.StorageV1beta1().VolumeAttachments().Create(attachment)
if err != nil {
t.Fatalf("failed to setup VolumeAttachment: %v", err)
}
t.Log("created attachement ", attachID)
devicePath, err := csiMapper.SetUpDevice()
if err != nil {
t.Fatalf("mapper failed to SetupDevice: %v", err)
}
globalMapPath, err := csiMapper.GetGlobalMapPath(csiMapper.spec)
if err != nil {
t.Fatalf("mapper failed to GetGlobalMapPath: %v", err)
}
// Map device to global and pod device map path
volumeMapPath, volName := csiMapper.GetPodDeviceMapPath()
err = csiMapper.MapDevice(devicePath, globalMapPath, volumeMapPath, volName, csiMapper.podUID)
if err != nil {
t.Fatalf("mapper failed to GetGlobalMapPath: %v", err)
}
if _, err := os.Stat(filepath.Join(volumeMapPath, volName)); err != nil {
if os.IsNotExist(err) {
t.Errorf("mapper.MapDevice failed, volume path not created: %s", volumeMapPath)
} else {
t.Errorf("mapper.MapDevice failed: %v", err)
}
}
pubs := csiMapper.csiClient.(*fakeCsiDriverClient).nodeClient.GetNodePublishedVolumes()
if pubs[csiMapper.volumeID] != volumeMapPath {
t.Error("csi server may not have received NodePublishVolume call")
}
}
func TestBlockMapperTearDownDevice(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
fakeClient := fakeclient.NewSimpleClientset()
host := volumetest.NewFakeVolumeHostWithNodeName(
tmpDir,
fakeClient,
nil,
"fakeNode",
)
plug.host = host
pv := makeTestPV("test-pv", 10, testDriver, testVol)
spec := volume.NewSpecFromPersistentVolume(pv, pv.Spec.PersistentVolumeSource.CSI.ReadOnly)
// save volume data
dir := getVolumeDeviceDataDir(pv.ObjectMeta.Name, plug.host)
if err := os.MkdirAll(dir, 0755); err != nil && !os.IsNotExist(err) {
t.Errorf("failed to create dir [%s]: %v", dir, err)
}
if err := saveVolumeData(
dir,
volDataFileName,
map[string]string{
volDataKey.specVolID: pv.ObjectMeta.Name,
volDataKey.driverName: testDriver,
volDataKey.volHandle: testVol,
},
); err != nil {
t.Fatalf("failed to save volume data: %v", err)
}
unmapper, err := plug.NewBlockVolumeUnmapper(pv.ObjectMeta.Name, testPodUID)
if err != nil {
t.Fatalf("failed to make a new Unmapper: %v", err)
}
csiUnmapper := unmapper.(*csiBlockMapper)
csiUnmapper.csiClient = setupClient(t, true)
globalMapPath, err := csiUnmapper.GetGlobalMapPath(spec)
if err != nil {
t.Fatalf("unmapper failed to GetGlobalMapPath: %v", err)
}
err = csiUnmapper.TearDownDevice(globalMapPath, "/dev/test")
if err != nil {
t.Fatal(err)
}
// ensure csi client call and node unstaged
vols := csiUnmapper.csiClient.(*fakeCsiDriverClient).nodeClient.GetNodeStagedVolumes()
if _, ok := vols[csiUnmapper.volumeID]; ok {
t.Error("csi server may not have received NodeUnstageVolume call")
}
// ensure csi client call and node unpblished
pubs := csiUnmapper.csiClient.(*fakeCsiDriverClient).nodeClient.GetNodePublishedVolumes()
if _, ok := pubs[csiUnmapper.volumeID]; ok {
t.Error("csi server may not have received NodeUnpublishVolume call")
}
}

293
vendor/k8s.io/kubernetes/pkg/volume/csi/csi_client.go generated vendored
View File

@ -1,293 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package csi
import (
"context"
"errors"
"fmt"
"net"
"time"
csipb "github.com/container-storage-interface/spec/lib/go/csi/v0"
"github.com/golang/glog"
"google.golang.org/grpc"
api "k8s.io/api/core/v1"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/kubernetes/pkg/features"
)
type csiClient interface {
NodePublishVolume(
ctx context.Context,
volumeid string,
readOnly bool,
stagingTargetPath string,
targetPath string,
accessMode api.PersistentVolumeAccessMode,
volumeInfo map[string]string,
volumeAttribs map[string]string,
nodePublishSecrets map[string]string,
fsType string,
) error
NodeUnpublishVolume(
ctx context.Context,
volID string,
targetPath string,
) error
NodeStageVolume(ctx context.Context,
volID string,
publishVolumeInfo map[string]string,
stagingTargetPath string,
fsType string,
accessMode api.PersistentVolumeAccessMode,
nodeStageSecrets map[string]string,
volumeAttribs map[string]string,
) error
NodeUnstageVolume(ctx context.Context, volID, stagingTargetPath string) error
NodeGetCapabilities(ctx context.Context) ([]*csipb.NodeServiceCapability, error)
}
// csiClient encapsulates all csi-plugin methods
type csiDriverClient struct {
driverName string
nodeClient csipb.NodeClient
}
var _ csiClient = &csiDriverClient{}
func newCsiDriverClient(driverName string) *csiDriverClient {
c := &csiDriverClient{driverName: driverName}
return c
}
func (c *csiDriverClient) NodePublishVolume(
ctx context.Context,
volID string,
readOnly bool,
stagingTargetPath string,
targetPath string,
accessMode api.PersistentVolumeAccessMode,
volumeInfo map[string]string,
volumeAttribs map[string]string,
nodePublishSecrets map[string]string,
fsType string,
) error {
glog.V(4).Info(log("calling NodePublishVolume rpc [volid=%s,target_path=%s]", volID, targetPath))
if volID == "" {
return errors.New("missing volume id")
}
if targetPath == "" {
return errors.New("missing target path")
}
conn, err := newGrpcConn(c.driverName)
if err != nil {
return err
}
defer conn.Close()
nodeClient := csipb.NewNodeClient(conn)
req := &csipb.NodePublishVolumeRequest{
VolumeId: volID,
TargetPath: targetPath,
Readonly: readOnly,
PublishInfo: volumeInfo,
VolumeAttributes: volumeAttribs,
NodePublishSecrets: nodePublishSecrets,
VolumeCapability: &csipb.VolumeCapability{
AccessMode: &csipb.VolumeCapability_AccessMode{
Mode: asCSIAccessMode(accessMode),
},
},
}
if stagingTargetPath != "" {
req.StagingTargetPath = stagingTargetPath
}
if fsType == fsTypeBlockName {
req.VolumeCapability.AccessType = &csipb.VolumeCapability_Block{
Block: &csipb.VolumeCapability_BlockVolume{},
}
} else {
req.VolumeCapability.AccessType = &csipb.VolumeCapability_Mount{
Mount: &csipb.VolumeCapability_MountVolume{
FsType: fsType,
},
}
}
_, err = nodeClient.NodePublishVolume(ctx, req)
return err
}
func (c *csiDriverClient) NodeUnpublishVolume(ctx context.Context, volID string, targetPath string) error {
glog.V(4).Info(log("calling NodeUnpublishVolume rpc: [volid=%s, target_path=%s", volID, targetPath))
if volID == "" {
return errors.New("missing volume id")
}
if targetPath == "" {
return errors.New("missing target path")
}
conn, err := newGrpcConn(c.driverName)
if err != nil {
return err
}
defer conn.Close()
nodeClient := csipb.NewNodeClient(conn)
req := &csipb.NodeUnpublishVolumeRequest{
VolumeId: volID,
TargetPath: targetPath,
}
_, err = nodeClient.NodeUnpublishVolume(ctx, req)
return err
}
func (c *csiDriverClient) NodeStageVolume(ctx context.Context,
volID string,
publishInfo map[string]string,
stagingTargetPath string,
fsType string,
accessMode api.PersistentVolumeAccessMode,
nodeStageSecrets map[string]string,
volumeAttribs map[string]string,
) error {
glog.V(4).Info(log("calling NodeStageVolume rpc [volid=%s,staging_target_path=%s]", volID, stagingTargetPath))
if volID == "" {
return errors.New("missing volume id")
}
if stagingTargetPath == "" {
return errors.New("missing staging target path")
}
conn, err := newGrpcConn(c.driverName)
if err != nil {
return err
}
defer conn.Close()
nodeClient := csipb.NewNodeClient(conn)
req := &csipb.NodeStageVolumeRequest{
VolumeId: volID,
PublishInfo: publishInfo,
StagingTargetPath: stagingTargetPath,
VolumeCapability: &csipb.VolumeCapability{
AccessMode: &csipb.VolumeCapability_AccessMode{
Mode: asCSIAccessMode(accessMode),
},
},
NodeStageSecrets: nodeStageSecrets,
VolumeAttributes: volumeAttribs,
}
if fsType == fsTypeBlockName {
req.VolumeCapability.AccessType = &csipb.VolumeCapability_Block{
Block: &csipb.VolumeCapability_BlockVolume{},
}
} else {
req.VolumeCapability.AccessType = &csipb.VolumeCapability_Mount{
Mount: &csipb.VolumeCapability_MountVolume{
FsType: fsType,
},
}
}
_, err = nodeClient.NodeStageVolume(ctx, req)
return err
}
func (c *csiDriverClient) NodeUnstageVolume(ctx context.Context, volID, stagingTargetPath string) error {
glog.V(4).Info(log("calling NodeUnstageVolume rpc [volid=%s,staging_target_path=%s]", volID, stagingTargetPath))
if volID == "" {
return errors.New("missing volume id")
}
if stagingTargetPath == "" {
return errors.New("missing staging target path")
}
conn, err := newGrpcConn(c.driverName)
if err != nil {
return err
}
defer conn.Close()
nodeClient := csipb.NewNodeClient(conn)
req := &csipb.NodeUnstageVolumeRequest{
VolumeId: volID,
StagingTargetPath: stagingTargetPath,
}
_, err = nodeClient.NodeUnstageVolume(ctx, req)
return err
}
func (c *csiDriverClient) NodeGetCapabilities(ctx context.Context) ([]*csipb.NodeServiceCapability, error) {
glog.V(4).Info(log("calling NodeGetCapabilities rpc"))
conn, err := newGrpcConn(c.driverName)
if err != nil {
return nil, err
}
defer conn.Close()
nodeClient := csipb.NewNodeClient(conn)
req := &csipb.NodeGetCapabilitiesRequest{}
resp, err := nodeClient.NodeGetCapabilities(ctx, req)
if err != nil {
return nil, err
}
return resp.GetCapabilities(), nil
}
func asCSIAccessMode(am api.PersistentVolumeAccessMode) csipb.VolumeCapability_AccessMode_Mode {
switch am {
case api.ReadWriteOnce:
return csipb.VolumeCapability_AccessMode_SINGLE_NODE_WRITER
case api.ReadOnlyMany:
return csipb.VolumeCapability_AccessMode_MULTI_NODE_READER_ONLY
case api.ReadWriteMany:
return csipb.VolumeCapability_AccessMode_MULTI_NODE_MULTI_WRITER
}
return csipb.VolumeCapability_AccessMode_UNKNOWN
}
func newGrpcConn(driverName string) (*grpc.ClientConn, error) {
if driverName == "" {
return nil, fmt.Errorf("driver name is empty")
}
addr := fmt.Sprintf(csiAddrTemplate, driverName)
// TODO once KubeletPluginsWatcher graduates to beta, remove FeatureGate check
if utilfeature.DefaultFeatureGate.Enabled(features.KubeletPluginsWatcher) {
driver, ok := csiDrivers.driversMap[driverName]
if !ok {
return nil, fmt.Errorf("driver name %s not found in the list of registered CSI drivers", driverName)
}
addr = driver.driverEndpoint
}
network := "unix"
glog.V(4).Infof(log("creating new gRPC connection for [%s://%s]", network, addr))
return grpc.Dial(
addr,
grpc.WithInsecure(),
grpc.WithDialer(func(target string, timeout time.Duration) (net.Conn, error) {
return net.Dial(network, target)
}),
)
}

276
vendor/k8s.io/kubernetes/pkg/volume/csi/csi_client_test.go generated vendored
View File

@ -1,276 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package csi
import (
"context"
"errors"
"testing"
csipb "github.com/container-storage-interface/spec/lib/go/csi/v0"
api "k8s.io/api/core/v1"
"k8s.io/kubernetes/pkg/volume/csi/fake"
)
type fakeCsiDriverClient struct {
t *testing.T
nodeClient *fake.NodeClient
}
func newFakeCsiDriverClient(t *testing.T, stagingCapable bool) *fakeCsiDriverClient {
return &fakeCsiDriverClient{
t: t,
nodeClient: fake.NewNodeClient(stagingCapable),
}
}
func (c *fakeCsiDriverClient) NodePublishVolume(
ctx context.Context,
volID string,
readOnly bool,
stagingTargetPath string,
targetPath string,
accessMode api.PersistentVolumeAccessMode,
volumeInfo map[string]string,
volumeAttribs map[string]string,
nodePublishSecrets map[string]string,
fsType string,
) error {
c.t.Log("calling fake.NodePublishVolume...")
req := &csipb.NodePublishVolumeRequest{
VolumeId: volID,
TargetPath: targetPath,
Readonly: readOnly,
PublishInfo: volumeInfo,
VolumeAttributes: volumeAttribs,
NodePublishSecrets: nodePublishSecrets,
VolumeCapability: &csipb.VolumeCapability{
AccessMode: &csipb.VolumeCapability_AccessMode{
Mode: asCSIAccessMode(accessMode),
},
AccessType: &csipb.VolumeCapability_Mount{
Mount: &csipb.VolumeCapability_MountVolume{
FsType: fsType,
},
},
},
}
_, err := c.nodeClient.NodePublishVolume(ctx, req)
return err
}
func (c *fakeCsiDriverClient) NodeUnpublishVolume(ctx context.Context, volID string, targetPath string) error {
c.t.Log("calling fake.NodeUnpublishVolume...")
req := &csipb.NodeUnpublishVolumeRequest{
VolumeId: volID,
TargetPath: targetPath,
}
_, err := c.nodeClient.NodeUnpublishVolume(ctx, req)
return err
}
func (c *fakeCsiDriverClient) NodeStageVolume(ctx context.Context,
volID string,
publishInfo map[string]string,
stagingTargetPath string,
fsType string,
accessMode api.PersistentVolumeAccessMode,
nodeStageSecrets map[string]string,
volumeAttribs map[string]string,
) error {
c.t.Log("calling fake.NodeStageVolume...")
req := &csipb.NodeStageVolumeRequest{
VolumeId: volID,
PublishInfo: publishInfo,
StagingTargetPath: stagingTargetPath,
VolumeCapability: &csipb.VolumeCapability{
AccessMode: &csipb.VolumeCapability_AccessMode{
Mode: asCSIAccessMode(accessMode),
},
AccessType: &csipb.VolumeCapability_Mount{
Mount: &csipb.VolumeCapability_MountVolume{
FsType: fsType,
},
},
},
NodeStageSecrets: nodeStageSecrets,
VolumeAttributes: volumeAttribs,
}
_, err := c.nodeClient.NodeStageVolume(ctx, req)
return err
}
func (c *fakeCsiDriverClient) NodeUnstageVolume(ctx context.Context, volID, stagingTargetPath string) error {
c.t.Log("calling fake.NodeUnstageVolume...")
req := &csipb.NodeUnstageVolumeRequest{
VolumeId: volID,
StagingTargetPath: stagingTargetPath,
}
_, err := c.nodeClient.NodeUnstageVolume(ctx, req)
return err
}
func (c *fakeCsiDriverClient) NodeGetCapabilities(ctx context.Context) ([]*csipb.NodeServiceCapability, error) {
c.t.Log("calling fake.NodeGetCapabilities...")
req := &csipb.NodeGetCapabilitiesRequest{}
resp, err := c.nodeClient.NodeGetCapabilities(ctx, req)
if err != nil {
return nil, err
}
return resp.GetCapabilities(), nil
}
func setupClient(t *testing.T, stageUnstageSet bool) csiClient {
return newFakeCsiDriverClient(t, stageUnstageSet)
}
func TestClientNodePublishVolume(t *testing.T) {
testCases := []struct {
name string
volID string
targetPath string
fsType string
mustFail bool
err error
}{
{name: "test ok", volID: "vol-test", targetPath: "/test/path"},
{name: "missing volID", targetPath: "/test/path", mustFail: true},
{name: "missing target path", volID: "vol-test", mustFail: true},
{name: "bad fs", volID: "vol-test", targetPath: "/test/path", fsType: "badfs", mustFail: true},
{name: "grpc error", volID: "vol-test", targetPath: "/test/path", mustFail: true, err: errors.New("grpc error")},
}
client := setupClient(t, false)
for _, tc := range testCases {
t.Logf("test case: %s", tc.name)
client.(*fakeCsiDriverClient).nodeClient.SetNextError(tc.err)
err := client.NodePublishVolume(
context.Background(),
tc.volID,
false,
"",
tc.targetPath,
api.ReadWriteOnce,
map[string]string{"device": "/dev/null"},
map[string]string{"attr0": "val0"},
map[string]string{},
tc.fsType,
)
if tc.mustFail && err == nil {
t.Error("test must fail, but err is nil")
}
}
}
func TestClientNodeUnpublishVolume(t *testing.T) {
testCases := []struct {
name string
volID string
targetPath string
mustFail bool
err error
}{
{name: "test ok", volID: "vol-test", targetPath: "/test/path"},
{name: "missing volID", targetPath: "/test/path", mustFail: true},
{name: "missing target path", volID: "vol-test", mustFail: true},
{name: "grpc error", volID: "vol-test", targetPath: "/test/path", mustFail: true, err: errors.New("grpc error")},
}
client := setupClient(t, false)
for _, tc := range testCases {
t.Logf("test case: %s", tc.name)
client.(*fakeCsiDriverClient).nodeClient.SetNextError(tc.err)
err := client.NodeUnpublishVolume(context.Background(), tc.volID, tc.targetPath)
if tc.mustFail && err == nil {
t.Error("test must fail, but err is nil")
}
}
}
func TestClientNodeStageVolume(t *testing.T) {
testCases := []struct {
name string
volID string
stagingTargetPath string
fsType string
secret map[string]string
mustFail bool
err error
}{
{name: "test ok", volID: "vol-test", stagingTargetPath: "/test/path", fsType: "ext4"},
{name: "missing volID", stagingTargetPath: "/test/path", mustFail: true},
{name: "missing target path", volID: "vol-test", mustFail: true},
{name: "bad fs", volID: "vol-test", stagingTargetPath: "/test/path", fsType: "badfs", mustFail: true},
{name: "grpc error", volID: "vol-test", stagingTargetPath: "/test/path", mustFail: true, err: errors.New("grpc error")},
}
client := setupClient(t, false)
for _, tc := range testCases {
t.Logf("Running test case: %s", tc.name)
client.(*fakeCsiDriverClient).nodeClient.SetNextError(tc.err)
err := client.NodeStageVolume(
context.Background(),
tc.volID,
map[string]string{"device": "/dev/null"},
tc.stagingTargetPath,
tc.fsType,
api.ReadWriteOnce,
tc.secret,
map[string]string{"attr0": "val0"},
)
if tc.mustFail && err == nil {
t.Error("test must fail, but err is nil")
}
}
}
func TestClientNodeUnstageVolume(t *testing.T) {
testCases := []struct {
name string
volID string
stagingTargetPath string
mustFail bool
err error
}{
{name: "test ok", volID: "vol-test", stagingTargetPath: "/test/path"},
{name: "missing volID", stagingTargetPath: "/test/path", mustFail: true},
{name: "missing target path", volID: "vol-test", mustFail: true},
{name: "grpc error", volID: "vol-test", stagingTargetPath: "/test/path", mustFail: true, err: errors.New("grpc error")},
}
client := setupClient(t, false)
for _, tc := range testCases {
t.Logf("Running test case: %s", tc.name)
client.(*fakeCsiDriverClient).nodeClient.SetNextError(tc.err)
err := client.NodeUnstageVolume(
context.Background(),
tc.volID, tc.stagingTargetPath,
)
if tc.mustFail && err == nil {
t.Error("test must fail, but err is nil")
}
}
}

341
vendor/k8s.io/kubernetes/pkg/volume/csi/csi_mounter.go generated vendored
View File

@ -1,341 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package csi
import (
"context"
"errors"
"fmt"
"os"
"path"
"github.com/golang/glog"
api "k8s.io/api/core/v1"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/kubernetes"
kstrings "k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
)
//TODO (vladimirvivien) move this in a central loc later
var (
volDataKey = struct {
specVolID,
volHandle,
driverName,
nodeName,
attachmentID string
}{
"specVolID",
"volumeHandle",
"driverName",
"nodeName",
"attachmentID",
}
)
type csiMountMgr struct {
csiClient csiClient
k8s kubernetes.Interface
plugin *csiPlugin
driverName string
volumeID string
specVolumeID string
readOnly bool
spec *volume.Spec
pod *api.Pod
podUID types.UID
options volume.VolumeOptions
volumeInfo map[string]string
volume.MetricsNil
}
// volume.Volume methods
var _ volume.Volume = &csiMountMgr{}
func (c *csiMountMgr) GetPath() string {
dir := path.Join(getTargetPath(c.podUID, c.specVolumeID, c.plugin.host), "/mount")
glog.V(4).Info(log("mounter.GetPath generated [%s]", dir))
return dir
}
func getTargetPath(uid types.UID, specVolumeID string, host volume.VolumeHost) string {
specVolID := kstrings.EscapeQualifiedNameForDisk(specVolumeID)
return host.GetPodVolumeDir(uid, kstrings.EscapeQualifiedNameForDisk(csiPluginName), specVolID)
}
// volume.Mounter methods
var _ volume.Mounter = &csiMountMgr{}
func (c *csiMountMgr) CanMount() error {
return nil
}
func (c *csiMountMgr) SetUp(fsGroup *int64) error {
return c.SetUpAt(c.GetPath(), fsGroup)
}
func (c *csiMountMgr) SetUpAt(dir string, fsGroup *int64) error {
glog.V(4).Infof(log("Mounter.SetUpAt(%s)", dir))
mounted, err := isDirMounted(c.plugin, dir)
if err != nil {
glog.Error(log("mounter.SetUpAt failed while checking mount status for dir [%s]", dir))
return err
}
if mounted {
glog.V(4).Info(log("mounter.SetUpAt skipping mount, dir already mounted [%s]", dir))
return nil
}
csiSource, err := getCSISourceFromSpec(c.spec)
if err != nil {
glog.Error(log("mounter.SetupAt failed to get CSI persistent source: %v", err))
return err
}
csi := c.csiClient
nodeName := string(c.plugin.host.GetNodeName())
attachID := getAttachmentName(csiSource.VolumeHandle, csiSource.Driver, nodeName)
ctx, cancel := context.WithTimeout(context.Background(), csiTimeout)
defer cancel()
// Check for STAGE_UNSTAGE_VOLUME set and populate deviceMountPath if so
deviceMountPath := ""
stageUnstageSet, err := hasStageUnstageCapability(ctx, csi)
if err != nil {
glog.Error(log("mounter.SetUpAt failed to check for STAGE_UNSTAGE_VOLUME capabilty: %v", err))
return err
}
if stageUnstageSet {
deviceMountPath, err = makeDeviceMountPath(c.plugin, c.spec)
if err != nil {
glog.Error(log("mounter.SetUpAt failed to make device mount path: %v", err))
return err
}
}
// search for attachment by VolumeAttachment.Spec.Source.PersistentVolumeName
if c.volumeInfo == nil {
attachment, err := c.k8s.StorageV1beta1().VolumeAttachments().Get(attachID, meta.GetOptions{})
if err != nil {
glog.Error(log("mounter.SetupAt failed while getting volume attachment [id=%v]: %v", attachID, err))
return err
}
if attachment == nil {
glog.Error(log("unable to find VolumeAttachment [id=%s]", attachID))
return errors.New("no existing VolumeAttachment found")
}
c.volumeInfo = attachment.Status.AttachmentMetadata
}
attribs := csiSource.VolumeAttributes
nodePublishSecrets := map[string]string{}
if csiSource.NodePublishSecretRef != nil {
nodePublishSecrets, err = getCredentialsFromSecret(c.k8s, csiSource.NodePublishSecretRef)
if err != nil {
return fmt.Errorf("fetching NodePublishSecretRef %s/%s failed: %v",
csiSource.NodePublishSecretRef.Namespace, csiSource.NodePublishSecretRef.Name, err)
}
}
// create target_dir before call to NodePublish
if err := os.MkdirAll(dir, 0750); err != nil {
glog.Error(log("mouter.SetUpAt failed to create dir %#v: %v", dir, err))
return err
}
glog.V(4).Info(log("created target path successfully [%s]", dir))
//TODO (vladimirvivien) implement better AccessModes mapping between k8s and CSI
accessMode := api.ReadWriteOnce
if c.spec.PersistentVolume.Spec.AccessModes != nil {
accessMode = c.spec.PersistentVolume.Spec.AccessModes[0]
}
fsType := csiSource.FSType
err = csi.NodePublishVolume(
ctx,
c.volumeID,
c.readOnly,
deviceMountPath,
dir,
accessMode,
c.volumeInfo,
attribs,
nodePublishSecrets,
fsType,
)
if err != nil {
glog.Errorf(log("mounter.SetupAt failed: %v", err))
if removeMountDirErr := removeMountDir(c.plugin, dir); removeMountDirErr != nil {
glog.Error(log("mounter.SetupAt failed to remove mount dir after a NodePublish() error [%s]: %v", dir, removeMountDirErr))
}
return err
}
// apply volume ownership
if !c.readOnly && fsGroup != nil {
err := volume.SetVolumeOwnership(c, fsGroup)
if err != nil {
// attempt to rollback mount.
glog.Error(log("mounter.SetupAt failed to set fsgroup volume ownership for [%s]: %v", c.volumeID, err))
glog.V(4).Info(log("mounter.SetupAt attempting to unpublish volume %s due to previous error", c.volumeID))
if unpubErr := csi.NodeUnpublishVolume(ctx, c.volumeID, dir); unpubErr != nil {
glog.Error(log(
"mounter.SetupAt failed to unpublish volume [%s]: %v (caused by previous NodePublish error: %v)",
c.volumeID, unpubErr, err,
))
return fmt.Errorf("%v (caused by %v)", unpubErr, err)
}
if unmountErr := removeMountDir(c.plugin, dir); unmountErr != nil {
glog.Error(log(
"mounter.SetupAt failed to clean mount dir [%s]: %v (caused by previous NodePublish error: %v)",
dir, unmountErr, err,
))
return fmt.Errorf("%v (caused by %v)", unmountErr, err)
}
return err
}
glog.V(4).Info(log("mounter.SetupAt sets fsGroup to [%d] for %s", *fsGroup, c.volumeID))
}
glog.V(4).Infof(log("mounter.SetUp successfully requested NodePublish [%s]", dir))
return nil
}
func (c *csiMountMgr) GetAttributes() volume.Attributes {
mounter := c.plugin.host.GetMounter(c.plugin.GetPluginName())
path := c.GetPath()
supportSelinux, err := mounter.GetSELinuxSupport(path)
if err != nil {
glog.V(2).Info(log("error checking for SELinux support: %s", err))
// Best guess
supportSelinux = false
}
return volume.Attributes{
ReadOnly: c.readOnly,
Managed: !c.readOnly,
SupportsSELinux: supportSelinux,
}
}
// volume.Unmounter methods
var _ volume.Unmounter = &csiMountMgr{}
func (c *csiMountMgr) TearDown() error {
return c.TearDownAt(c.GetPath())
}
func (c *csiMountMgr) TearDownAt(dir string) error {
glog.V(4).Infof(log("Unmounter.TearDown(%s)", dir))
// is dir even mounted ?
// TODO (vladimirvivien) this check may not work for an emptyDir or local storage
// see https://github.com/kubernetes/kubernetes/pull/56836#discussion_r155834524
mounted, err := isDirMounted(c.plugin, dir)
if err != nil {
glog.Error(log("unmounter.Teardown failed while checking mount status for dir [%s]: %v", dir, err))
return err
}
if !mounted {
glog.V(4).Info(log("unmounter.Teardown skipping unmount, dir not mounted [%s]", dir))
return nil
}
volID := c.volumeID
csi := c.csiClient
ctx, cancel := context.WithTimeout(context.Background(), csiTimeout)
defer cancel()
if err := csi.NodeUnpublishVolume(ctx, volID, dir); err != nil {
glog.Errorf(log("mounter.TearDownAt failed: %v", err))
return err
}
// clean mount point dir
if err := removeMountDir(c.plugin, dir); err != nil {
glog.Error(log("mounter.TearDownAt failed to clean mount dir [%s]: %v", dir, err))
return err
}
glog.V(4).Infof(log("mounte.TearDownAt successfully unmounted dir [%s]", dir))
return nil
}
// isDirMounted returns the !notMounted result from IsLikelyNotMountPoint check
func isDirMounted(plug *csiPlugin, dir string) (bool, error) {
mounter := plug.host.GetMounter(plug.GetPluginName())
notMnt, err := mounter.IsLikelyNotMountPoint(dir)
if err != nil && !os.IsNotExist(err) {
glog.Error(log("isDirMounted IsLikelyNotMountPoint test failed for dir [%v]", dir))
return false, err
}
return !notMnt, nil
}
// removeMountDir cleans the mount dir when dir is not mounted and removed the volume data file in dir
func removeMountDir(plug *csiPlugin, mountPath string) error {
glog.V(4).Info(log("removing mount path [%s]", mountPath))
if pathExists, pathErr := util.PathExists(mountPath); pathErr != nil {
glog.Error(log("failed while checking mount path stat [%s]", pathErr))
return pathErr
} else if !pathExists {
glog.Warning(log("skipping mount dir removal, path does not exist [%v]", mountPath))
return nil
}
mounter := plug.host.GetMounter(plug.GetPluginName())
notMnt, err := mounter.IsLikelyNotMountPoint(mountPath)
if err != nil {
glog.Error(log("mount dir removal failed [%s]: %v", mountPath, err))
return err
}
if notMnt {
glog.V(4).Info(log("dir not mounted, deleting it [%s]", mountPath))
if err := os.Remove(mountPath); err != nil && !os.IsNotExist(err) {
glog.Error(log("failed to remove dir [%s]: %v", mountPath, err))
return err
}
// remove volume data file as well
volPath := path.Dir(mountPath)
dataFile := path.Join(volPath, volDataFileName)
glog.V(4).Info(log("also deleting volume info data file [%s]", dataFile))
if err := os.Remove(dataFile); err != nil && !os.IsNotExist(err) {
glog.Error(log("failed to delete volume data file [%s]: %v", dataFile, err))
return err
}
// remove volume path
glog.V(4).Info(log("deleting volume path [%s]", volPath))
if err := os.Remove(volPath); err != nil && !os.IsNotExist(err) {
glog.Error(log("failed to delete volume path [%s]: %v", volPath, err))
return err
}
}
return nil
}

264
vendor/k8s.io/kubernetes/pkg/volume/csi/csi_mounter_test.go generated vendored
View File

@ -1,264 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package csi
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path"
"testing"
api "k8s.io/api/core/v1"
storage "k8s.io/api/storage/v1beta1"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
fakeclient "k8s.io/client-go/kubernetes/fake"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
"k8s.io/kubernetes/pkg/volume/util"
)
var (
testDriver = "test-driver"
testVol = "vol-123"
testns = "test-ns"
testPodUID = types.UID("test-pod")
)
func TestMounterGetPath(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
// TODO (vladimirvivien) specName with slashes will not work
testCases := []struct {
name string
specVolumeName string
path string
}{
{
name: "simple specName",
specVolumeName: "spec-0",
path: path.Join(tmpDir, fmt.Sprintf("pods/%s/volumes/kubernetes.io~csi/%s/%s", testPodUID, "spec-0", "/mount")),
},
{
name: "specName with dots",
specVolumeName: "test.spec.1",
path: path.Join(tmpDir, fmt.Sprintf("pods/%s/volumes/kubernetes.io~csi/%s/%s", testPodUID, "test.spec.1", "/mount")),
},
}
for _, tc := range testCases {
t.Logf("test case: %s", tc.name)
pv := makeTestPV(tc.specVolumeName, 10, testDriver, testVol)
spec := volume.NewSpecFromPersistentVolume(pv, pv.Spec.PersistentVolumeSource.CSI.ReadOnly)
mounter, err := plug.NewMounter(
spec,
&api.Pod{ObjectMeta: meta.ObjectMeta{UID: testPodUID, Namespace: testns}},
volume.VolumeOptions{},
)
if err != nil {
t.Fatalf("Failed to make a new Mounter: %v", err)
}
csiMounter := mounter.(*csiMountMgr)
path := csiMounter.GetPath()
if tc.path != path {
t.Errorf("expecting path %s, got %s", tc.path, path)
}
}
}
func TestMounterSetUp(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
fakeClient := fakeclient.NewSimpleClientset()
host := volumetest.NewFakeVolumeHostWithNodeName(
tmpDir,
fakeClient,
nil,
"fakeNode",
)
plug.host = host
pv := makeTestPV("test-pv", 10, testDriver, testVol)
pvName := pv.GetName()
mounter, err := plug.NewMounter(
volume.NewSpecFromPersistentVolume(pv, pv.Spec.PersistentVolumeSource.CSI.ReadOnly),
&api.Pod{ObjectMeta: meta.ObjectMeta{UID: testPodUID, Namespace: testns}},
volume.VolumeOptions{},
)
if err != nil {
t.Fatalf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Fatal("failed to create CSI mounter")
}
csiMounter := mounter.(*csiMountMgr)
csiMounter.csiClient = setupClient(t, true)
attachID := getAttachmentName(csiMounter.volumeID, csiMounter.driverName, string(plug.host.GetNodeName()))
attachment := &storage.VolumeAttachment{
ObjectMeta: meta.ObjectMeta{
Name: attachID,
},
Spec: storage.VolumeAttachmentSpec{
NodeName: "test-node",
Attacher: csiPluginName,
Source: storage.VolumeAttachmentSource{
PersistentVolumeName: &pvName,
},
},
Status: storage.VolumeAttachmentStatus{
Attached: false,
AttachError: nil,
DetachError: nil,
},
}
_, err = csiMounter.k8s.StorageV1beta1().VolumeAttachments().Create(attachment)
if err != nil {
t.Fatalf("failed to setup VolumeAttachment: %v", err)
}
// Mounter.SetUp()
fsGroup := int64(2000)
if err := csiMounter.SetUp(&fsGroup); err != nil {
t.Fatalf("mounter.Setup failed: %v", err)
}
//Test the default value of file system type is not overridden
if len(csiMounter.spec.PersistentVolume.Spec.CSI.FSType) != 0 {
t.Errorf("default value of file system type was overridden by type %s", csiMounter.spec.PersistentVolume.Spec.CSI.FSType)
}
path := csiMounter.GetPath()
if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", path)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
// ensure call went all the way
pubs := csiMounter.csiClient.(*fakeCsiDriverClient).nodeClient.GetNodePublishedVolumes()
if pubs[csiMounter.volumeID] != csiMounter.GetPath() {
t.Error("csi server may not have received NodePublishVolume call")
}
}
func TestUnmounterTeardown(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
pv := makeTestPV("test-pv", 10, testDriver, testVol)
// save the data file prior to unmount
dir := path.Join(getTargetPath(testPodUID, pv.ObjectMeta.Name, plug.host), "/mount")
if err := os.MkdirAll(dir, 0755); err != nil && !os.IsNotExist(err) {
t.Errorf("failed to create dir [%s]: %v", dir, err)
}
// do a fake local mount
diskMounter := util.NewSafeFormatAndMountFromHost(plug.GetPluginName(), plug.host)
if err := diskMounter.FormatAndMount("/fake/device", dir, "testfs", nil); err != nil {
t.Errorf("failed to mount dir [%s]: %v", dir, err)
}
if err := saveVolumeData(
path.Dir(dir),
volDataFileName,
map[string]string{
volDataKey.specVolID: pv.ObjectMeta.Name,
volDataKey.driverName: testDriver,
volDataKey.volHandle: testVol,
},
); err != nil {
t.Fatalf("failed to save volume data: %v", err)
}
unmounter, err := plug.NewUnmounter(pv.ObjectMeta.Name, testPodUID)
if err != nil {
t.Fatalf("failed to make a new Unmounter: %v", err)
}
csiUnmounter := unmounter.(*csiMountMgr)
csiUnmounter.csiClient = setupClient(t, true)
err = csiUnmounter.TearDownAt(dir)
if err != nil {
t.Fatal(err)
}
// ensure csi client call
pubs := csiUnmounter.csiClient.(*fakeCsiDriverClient).nodeClient.GetNodePublishedVolumes()
if _, ok := pubs[csiUnmounter.volumeID]; ok {
t.Error("csi server may not have received NodeUnpublishVolume call")
}
}
func TestSaveVolumeData(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
testCases := []struct {
name string
data map[string]string
shouldFail bool
}{
{name: "test with data ok", data: map[string]string{"key0": "val0", "_key1": "val1", "key2": "val2"}},
{name: "test with data ok 2 ", data: map[string]string{"_key0_": "val0", "&key1": "val1", "key2": "val2"}},
}
for i, tc := range testCases {
t.Logf("test case: %s", tc.name)
specVolID := fmt.Sprintf("spec-volid-%d", i)
mountDir := path.Join(getTargetPath(testPodUID, specVolID, plug.host), "/mount")
if err := os.MkdirAll(mountDir, 0755); err != nil && !os.IsNotExist(err) {
t.Errorf("failed to create dir [%s]: %v", mountDir, err)
}
err := saveVolumeData(path.Dir(mountDir), volDataFileName, tc.data)
if !tc.shouldFail && err != nil {
t.Errorf("unexpected failure: %v", err)
}
// did file get created
dataDir := getTargetPath(testPodUID, specVolID, plug.host)
file := path.Join(dataDir, volDataFileName)
if _, err := os.Stat(file); err != nil {
t.Errorf("failed to create data dir: %v", err)
}
// validate content
data, err := ioutil.ReadFile(file)
if !tc.shouldFail && err != nil {
t.Errorf("failed to read data file: %v", err)
}
jsonData := new(bytes.Buffer)
if err := json.NewEncoder(jsonData).Encode(tc.data); err != nil {
t.Errorf("failed to encode json: %v", err)
}
if string(data) != jsonData.String() {
t.Errorf("expecting encoded data %v, got %v", string(data), jsonData)
}
}
}

443
vendor/k8s.io/kubernetes/pkg/volume/csi/csi_plugin.go generated vendored
View File

@ -1,443 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package csi
import (
"errors"
"fmt"
"os"
"path"
"strings"
"sync"
"time"
"github.com/golang/glog"
api "k8s.io/api/core/v1"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/csi/labelmanager"
)
const (
csiPluginName = "kubernetes.io/csi"
// TODO (vladimirvivien) implement a more dynamic way to discover
// the unix domain socket path for each installed csi driver.
// TODO (vladimirvivien) would be nice to name socket with a .sock extension
// for consistency.
csiAddrTemplate = "/var/lib/kubelet/plugins/%v/csi.sock"
csiTimeout = 15 * time.Second
volNameSep = "^"
volDataFileName = "vol_data.json"
fsTypeBlockName = "block"
)
type csiPlugin struct {
host volume.VolumeHost
blockEnabled bool
}
// ProbeVolumePlugins returns implemented plugins
func ProbeVolumePlugins() []volume.VolumePlugin {
p := &csiPlugin{
host: nil,
blockEnabled: utilfeature.DefaultFeatureGate.Enabled(features.CSIBlockVolume),
}
return []volume.VolumePlugin{p}
}
// volume.VolumePlugin methods
var _ volume.VolumePlugin = &csiPlugin{}
type csiDriver struct {
driverName string
driverEndpoint string
}
type csiDriversStore struct {
driversMap map[string]csiDriver
sync.RWMutex
}
// csiDrivers map keep track of all registered CSI drivers on the node and their
// corresponding sockets
var csiDrivers csiDriversStore
var lm labelmanager.Interface
// RegistrationCallback is called by kubelet's plugin watcher upon detection
// of a new registration socket opened by CSI Driver registrar side car.
func RegistrationCallback(pluginName string, endpoint string, versions []string, socketPath string) (error, chan bool) {
glog.Infof(log("Callback from kubelet with plugin name: %s endpoint: %s versions: %s socket path: %s",
pluginName, endpoint, strings.Join(versions, ","), socketPath))
if endpoint == "" {
endpoint = socketPath
}
// Calling nodeLabelManager to update label for newly registered CSI driver
err := lm.AddLabels(pluginName)
if err != nil {
return err, nil
}
// Storing endpoint of newly registered CSI driver into the map, where CSI driver name will be the key
// all other CSI components will be able to get the actual socket of CSI drivers by its name.
csiDrivers.Lock()
defer csiDrivers.Unlock()
csiDrivers.driversMap[pluginName] = csiDriver{driverName: pluginName, driverEndpoint: endpoint}
return nil, nil
}
func (p *csiPlugin) Init(host volume.VolumeHost) error {
glog.Info(log("plugin initializing..."))
p.host = host
// Initializing csiDrivers map and label management channels
csiDrivers = csiDriversStore{driversMap: map[string]csiDriver{}}
lm = labelmanager.NewLabelManager(host.GetNodeName(), host.GetKubeClient())
return nil
}
func (p *csiPlugin) GetPluginName() string {
return csiPluginName
}
// GetvolumeName returns a concatenated string of CSIVolumeSource.Driver<volNameSe>CSIVolumeSource.VolumeHandle
// That string value is used in Detach() to extract driver name and volumeName.
func (p *csiPlugin) GetVolumeName(spec *volume.Spec) (string, error) {
csi, err := getCSISourceFromSpec(spec)
if err != nil {
glog.Error(log("plugin.GetVolumeName failed to extract volume source from spec: %v", err))
return "", err
}
// return driverName<separator>volumeHandle
return fmt.Sprintf("%s%s%s", csi.Driver, volNameSep, csi.VolumeHandle), nil
}
func (p *csiPlugin) CanSupport(spec *volume.Spec) bool {
// TODO (vladimirvivien) CanSupport should also take into account
// the availability/registration of specified Driver in the volume source
return spec.PersistentVolume != nil && spec.PersistentVolume.Spec.CSI != nil
}
func (p *csiPlugin) RequiresRemount() bool {
return false
}
func (p *csiPlugin) NewMounter(
spec *volume.Spec,
pod *api.Pod,
_ volume.VolumeOptions) (volume.Mounter, error) {
pvSource, err := getCSISourceFromSpec(spec)
if err != nil {
return nil, err
}
readOnly, err := getReadOnlyFromSpec(spec)
if err != nil {
return nil, err
}
k8s := p.host.GetKubeClient()
if k8s == nil {
glog.Error(log("failed to get a kubernetes client"))
return nil, errors.New("failed to get a Kubernetes client")
}
csi := newCsiDriverClient(pvSource.Driver)
mounter := &csiMountMgr{
plugin: p,
k8s: k8s,
spec: spec,
pod: pod,
podUID: pod.UID,
driverName: pvSource.Driver,
volumeID: pvSource.VolumeHandle,
specVolumeID: spec.Name(),
csiClient: csi,
readOnly: readOnly,
}
// Save volume info in pod dir
dir := mounter.GetPath()
dataDir := path.Dir(dir) // dropoff /mount at end
if err := os.MkdirAll(dataDir, 0750); err != nil {
glog.Error(log("failed to create dir %#v: %v", dataDir, err))
return nil, err
}
glog.V(4).Info(log("created path successfully [%s]", dataDir))
// persist volume info data for teardown
node := string(p.host.GetNodeName())
attachID := getAttachmentName(pvSource.VolumeHandle, pvSource.Driver, node)
volData := map[string]string{
volDataKey.specVolID: spec.Name(),
volDataKey.volHandle: pvSource.VolumeHandle,
volDataKey.driverName: pvSource.Driver,
volDataKey.nodeName: node,
volDataKey.attachmentID: attachID,
}
if err := saveVolumeData(dataDir, volDataFileName, volData); err != nil {
glog.Error(log("failed to save volume info data: %v", err))
if err := os.RemoveAll(dataDir); err != nil {
glog.Error(log("failed to remove dir after error [%s]: %v", dataDir, err))
return nil, err
}
return nil, err
}
glog.V(4).Info(log("mounter created successfully"))
return mounter, nil
}
func (p *csiPlugin) NewUnmounter(specName string, podUID types.UID) (volume.Unmounter, error) {
glog.V(4).Infof(log("setting up unmounter for [name=%v, podUID=%v]", specName, podUID))
unmounter := &csiMountMgr{
plugin: p,
podUID: podUID,
specVolumeID: specName,
}
// load volume info from file
dir := unmounter.GetPath()
dataDir := path.Dir(dir) // dropoff /mount at end
data, err := loadVolumeData(dataDir, volDataFileName)
if err != nil {
glog.Error(log("unmounter failed to load volume data file [%s]: %v", dir, err))
return nil, err
}
unmounter.driverName = data[volDataKey.driverName]
unmounter.volumeID = data[volDataKey.volHandle]
unmounter.csiClient = newCsiDriverClient(unmounter.driverName)
return unmounter, nil
}
func (p *csiPlugin) ConstructVolumeSpec(volumeName, mountPath string) (*volume.Spec, error) {
glog.V(4).Info(log("plugin.ConstructVolumeSpec [pv.Name=%v, path=%v]", volumeName, mountPath))
volData, err := loadVolumeData(mountPath, volDataFileName)
if err != nil {
glog.Error(log("plugin.ConstructVolumeSpec failed loading volume data using [%s]: %v", mountPath, err))
return nil, err
}
glog.V(4).Info(log("plugin.ConstructVolumeSpec extracted [%#v]", volData))
pv := &api.PersistentVolume{
ObjectMeta: meta.ObjectMeta{
Name: volData[volDataKey.specVolID],
},
Spec: api.PersistentVolumeSpec{
PersistentVolumeSource: api.PersistentVolumeSource{
CSI: &api.CSIPersistentVolumeSource{
Driver: volData[volDataKey.driverName],
VolumeHandle: volData[volDataKey.volHandle],
},
},
},
}
return volume.NewSpecFromPersistentVolume(pv, false), nil
}
func (p *csiPlugin) SupportsMountOption() bool {
// TODO (vladimirvivien) use CSI VolumeCapability.MountVolume.mount_flags
// to probe for the result for this method:w
return false
}
func (p *csiPlugin) SupportsBulkVolumeVerification() bool {
return false
}
// volume.AttachableVolumePlugin methods
var _ volume.AttachableVolumePlugin = &csiPlugin{}
func (p *csiPlugin) NewAttacher() (volume.Attacher, error) {
k8s := p.host.GetKubeClient()
if k8s == nil {
glog.Error(log("unable to get kubernetes client from host"))
return nil, errors.New("unable to get Kubernetes client")
}
return &csiAttacher{
plugin: p,
k8s: k8s,
waitSleepTime: 1 * time.Second,
}, nil
}
func (p *csiPlugin) NewDetacher() (volume.Detacher, error) {
k8s := p.host.GetKubeClient()
if k8s == nil {
glog.Error(log("unable to get kubernetes client from host"))
return nil, errors.New("unable to get Kubernetes client")
}
return &csiAttacher{
plugin: p,
k8s: k8s,
waitSleepTime: 1 * time.Second,
}, nil
}
func (p *csiPlugin) GetDeviceMountRefs(deviceMountPath string) ([]string, error) {
m := p.host.GetMounter(p.GetPluginName())
return mount.GetMountRefs(m, deviceMountPath)
}
// BlockVolumePlugin methods
var _ volume.BlockVolumePlugin = &csiPlugin{}
func (p *csiPlugin) NewBlockVolumeMapper(spec *volume.Spec, podRef *api.Pod, opts volume.VolumeOptions) (volume.BlockVolumeMapper, error) {
if !p.blockEnabled {
return nil, errors.New("CSIBlockVolume feature not enabled")
}
pvSource, err := getCSISourceFromSpec(spec)
if err != nil {
return nil, err
}
readOnly, err := getReadOnlyFromSpec(spec)
if err != nil {
return nil, err
}
glog.V(4).Info(log("setting up block mapper for [volume=%v,driver=%v]", pvSource.VolumeHandle, pvSource.Driver))
client := newCsiDriverClient(pvSource.Driver)
k8s := p.host.GetKubeClient()
if k8s == nil {
glog.Error(log("failed to get a kubernetes client"))
return nil, errors.New("failed to get a Kubernetes client")
}
mapper := &csiBlockMapper{
csiClient: client,
k8s: k8s,
plugin: p,
volumeID: pvSource.VolumeHandle,
driverName: pvSource.Driver,
readOnly: readOnly,
spec: spec,
podUID: podRef.UID,
}
// Save volume info in pod dir
dataDir := getVolumeDeviceDataDir(spec.Name(), p.host)
if err := os.MkdirAll(dataDir, 0750); err != nil {
glog.Error(log("failed to create data dir %s: %v", dataDir, err))
return nil, err
}
glog.V(4).Info(log("created path successfully [%s]", dataDir))
// persist volume info data for teardown
node := string(p.host.GetNodeName())
attachID := getAttachmentName(pvSource.VolumeHandle, pvSource.Driver, node)
volData := map[string]string{
volDataKey.specVolID: spec.Name(),
volDataKey.volHandle: pvSource.VolumeHandle,
volDataKey.driverName: pvSource.Driver,
volDataKey.nodeName: node,
volDataKey.attachmentID: attachID,
}
if err := saveVolumeData(dataDir, volDataFileName, volData); err != nil {
glog.Error(log("failed to save volume info data: %v", err))
if err := os.RemoveAll(dataDir); err != nil {
glog.Error(log("failed to remove dir after error [%s]: %v", dataDir, err))
return nil, err
}
return nil, err
}
return mapper, nil
}
func (p *csiPlugin) NewBlockVolumeUnmapper(volName string, podUID types.UID) (volume.BlockVolumeUnmapper, error) {
if !p.blockEnabled {
return nil, errors.New("CSIBlockVolume feature not enabled")
}
glog.V(4).Infof(log("setting up block unmapper for [Spec=%v, podUID=%v]", volName, podUID))
unmapper := &csiBlockMapper{
plugin: p,
podUID: podUID,
specName: volName,
}
// load volume info from file
dataDir := getVolumeDeviceDataDir(unmapper.specName, p.host)
data, err := loadVolumeData(dataDir, volDataFileName)
if err != nil {
glog.Error(log("unmapper failed to load volume data file [%s]: %v", dataDir, err))
return nil, err
}
unmapper.driverName = data[volDataKey.driverName]
unmapper.volumeID = data[volDataKey.volHandle]
unmapper.csiClient = newCsiDriverClient(unmapper.driverName)
return unmapper, nil
}
func (p *csiPlugin) ConstructBlockVolumeSpec(podUID types.UID, specVolName, mapPath string) (*volume.Spec, error) {
if !p.blockEnabled {
return nil, errors.New("CSIBlockVolume feature not enabled")
}
glog.V(4).Infof("plugin.ConstructBlockVolumeSpec [podUID=%s, specVolName=%s, path=%s]", string(podUID), specVolName, mapPath)
dataDir := getVolumeDeviceDataDir(specVolName, p.host)
volData, err := loadVolumeData(dataDir, volDataFileName)
if err != nil {
glog.Error(log("plugin.ConstructBlockVolumeSpec failed loading volume data using [%s]: %v", mapPath, err))
return nil, err
}
glog.V(4).Info(log("plugin.ConstructBlockVolumeSpec extracted [%#v]", volData))
blockMode := api.PersistentVolumeBlock
pv := &api.PersistentVolume{
ObjectMeta: meta.ObjectMeta{
Name: volData[volDataKey.specVolID],
},
Spec: api.PersistentVolumeSpec{
PersistentVolumeSource: api.PersistentVolumeSource{
CSI: &api.CSIPersistentVolumeSource{
Driver: volData[volDataKey.driverName],
VolumeHandle: volData[volDataKey.volHandle],
},
},
VolumeMode: &blockMode,
},
}
return volume.NewSpecFromPersistentVolume(pv, false), nil
}

475
vendor/k8s.io/kubernetes/pkg/volume/csi/csi_plugin_test.go generated vendored
View File

@ -1,475 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package csi
import (
"fmt"
"os"
"path"
"path/filepath"
"testing"
api "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
utilfeature "k8s.io/apiserver/pkg/util/feature"
fakeclient "k8s.io/client-go/kubernetes/fake"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
// create a plugin mgr to load plugins and setup a fake client
func newTestPlugin(t *testing.T) (*csiPlugin, string) {
err := utilfeature.DefaultFeatureGate.Set("CSIBlockVolume=true")
if err != nil {
t.Fatalf("Failed to enable feature gate for CSIBlockVolume: %v", err)
}
tmpDir, err := utiltesting.MkTmpdir("csi-test")
if err != nil {
t.Fatalf("can't create temp dir: %v", err)
}
fakeClient := fakeclient.NewSimpleClientset()
host := volumetest.NewFakeVolumeHost(
tmpDir,
fakeClient,
nil,
)
plugMgr := &volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, host)
plug, err := plugMgr.FindPluginByName(csiPluginName)
if err != nil {
t.Fatalf("can't find plugin %v", csiPluginName)
}
csiPlug, ok := plug.(*csiPlugin)
if !ok {
t.Fatalf("cannot assert plugin to be type csiPlugin")
}
return csiPlug, tmpDir
}
func makeTestPV(name string, sizeGig int, driverName, volID string) *api.PersistentVolume {
return &api.PersistentVolume{
ObjectMeta: meta.ObjectMeta{
Name: name,
},
Spec: api.PersistentVolumeSpec{
AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
Capacity: api.ResourceList{
api.ResourceName(api.ResourceStorage): resource.MustParse(
fmt.Sprintf("%dGi", sizeGig),
),
},
PersistentVolumeSource: api.PersistentVolumeSource{
CSI: &api.CSIPersistentVolumeSource{
Driver: driverName,
VolumeHandle: volID,
ReadOnly: false,
},
},
},
}
}
func TestPluginGetPluginName(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
if plug.GetPluginName() != "kubernetes.io/csi" {
t.Errorf("unexpected plugin name %v", plug.GetPluginName())
}
}
func TestPluginGetVolumeName(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
testCases := []struct {
name string
driverName string
volName string
shouldFail bool
}{
{"alphanum names", "testdr", "testvol", false},
{"mixchar driver", "test.dr.cc", "testvol", false},
{"mixchar volume", "testdr", "test-vol-name", false},
{"mixchars all", "test-driver", "test.vol.name", false},
}
for _, tc := range testCases {
t.Logf("testing: %s", tc.name)
pv := makeTestPV("test-pv", 10, tc.driverName, tc.volName)
spec := volume.NewSpecFromPersistentVolume(pv, false)
name, err := plug.GetVolumeName(spec)
if tc.shouldFail && err == nil {
t.Fatal("GetVolumeName should fail, but got err=nil")
}
if name != fmt.Sprintf("%s%s%s", tc.driverName, volNameSep, tc.volName) {
t.Errorf("unexpected volume name %s", name)
}
}
}
func TestPluginCanSupport(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
pv := makeTestPV("test-pv", 10, testDriver, testVol)
spec := volume.NewSpecFromPersistentVolume(pv, false)
if !plug.CanSupport(spec) {
t.Errorf("should support CSI spec")
}
}
func TestPluginConstructVolumeSpec(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
testCases := []struct {
name string
specVolID string
data map[string]string
shouldFail bool
}{
{
name: "valid spec name",
specVolID: "test.vol.id",
data: map[string]string{volDataKey.specVolID: "test.vol.id", volDataKey.volHandle: "test-vol0", volDataKey.driverName: "test-driver0"},
},
}
for _, tc := range testCases {
t.Logf("test case: %s", tc.name)
dir := getTargetPath(testPodUID, tc.specVolID, plug.host)
// create the data file
if tc.data != nil {
mountDir := path.Join(getTargetPath(testPodUID, tc.specVolID, plug.host), "/mount")
if err := os.MkdirAll(mountDir, 0755); err != nil && !os.IsNotExist(err) {
t.Errorf("failed to create dir [%s]: %v", mountDir, err)
}
if err := saveVolumeData(path.Dir(mountDir), volDataFileName, tc.data); err != nil {
t.Fatal(err)
}
}
// rebuild spec
spec, err := plug.ConstructVolumeSpec("test-pv", dir)
if tc.shouldFail {
if err == nil {
t.Fatal("expecting ConstructVolumeSpec to fail, but got nil error")
}
continue
}
volHandle := spec.PersistentVolume.Spec.CSI.VolumeHandle
if volHandle != tc.data[volDataKey.volHandle] {
t.Errorf("expected volID %s, got volID %s", tc.data[volDataKey.volHandle], volHandle)
}
if spec.Name() != tc.specVolID {
t.Errorf("Unexpected spec name %s", spec.Name())
}
}
}
func TestPluginNewMounter(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
pv := makeTestPV("test-pv", 10, testDriver, testVol)
mounter, err := plug.NewMounter(
volume.NewSpecFromPersistentVolume(pv, pv.Spec.PersistentVolumeSource.CSI.ReadOnly),
&api.Pod{ObjectMeta: meta.ObjectMeta{UID: testPodUID, Namespace: testns}},
volume.VolumeOptions{},
)
if err != nil {
t.Fatalf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Fatal("failed to create CSI mounter")
}
csiMounter := mounter.(*csiMountMgr)
// validate mounter fields
if csiMounter.driverName != testDriver {
t.Error("mounter driver name not set")
}
if csiMounter.volumeID != testVol {
t.Error("mounter volume id not set")
}
if csiMounter.pod == nil {
t.Error("mounter pod not set")
}
if csiMounter.podUID == types.UID("") {
t.Error("mounter podUID not set")
}
if csiMounter.csiClient == nil {
t.Error("mounter csiClient is nil")
}
// ensure data file is created
dataDir := path.Dir(mounter.GetPath())
dataFile := filepath.Join(dataDir, volDataFileName)
if _, err := os.Stat(dataFile); err != nil {
if os.IsNotExist(err) {
t.Errorf("data file not created %s", dataFile)
} else {
t.Fatal(err)
}
}
}
func TestPluginNewUnmounter(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
pv := makeTestPV("test-pv", 10, testDriver, testVol)
// save the data file to re-create client
dir := path.Join(getTargetPath(testPodUID, pv.ObjectMeta.Name, plug.host), "/mount")
if err := os.MkdirAll(dir, 0755); err != nil && !os.IsNotExist(err) {
t.Errorf("failed to create dir [%s]: %v", dir, err)
}
if err := saveVolumeData(
path.Dir(dir),
volDataFileName,
map[string]string{
volDataKey.specVolID: pv.ObjectMeta.Name,
volDataKey.driverName: testDriver,
volDataKey.volHandle: testVol,
},
); err != nil {
t.Fatalf("failed to save volume data: %v", err)
}
// test unmounter
unmounter, err := plug.NewUnmounter(pv.ObjectMeta.Name, testPodUID)
csiUnmounter := unmounter.(*csiMountMgr)
if err != nil {
t.Fatalf("Failed to make a new Unmounter: %v", err)
}
if csiUnmounter == nil {
t.Fatal("failed to create CSI Unmounter")
}
if csiUnmounter.podUID != testPodUID {
t.Error("podUID not set")
}
if csiUnmounter.csiClient == nil {
t.Error("unmounter csiClient is nil")
}
}
func TestPluginNewAttacher(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
attacher, err := plug.NewAttacher()
if err != nil {
t.Fatalf("failed to create new attacher: %v", err)
}
csiAttacher := attacher.(*csiAttacher)
if csiAttacher.plugin == nil {
t.Error("plugin not set for attacher")
}
if csiAttacher.k8s == nil {
t.Error("Kubernetes client not set for attacher")
}
}
func TestPluginNewDetacher(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
detacher, err := plug.NewDetacher()
if err != nil {
t.Fatalf("failed to create new detacher: %v", err)
}
csiDetacher := detacher.(*csiAttacher)
if csiDetacher.plugin == nil {
t.Error("plugin not set for detacher")
}
if csiDetacher.k8s == nil {
t.Error("Kubernetes client not set for detacher")
}
}
func TestPluginNewBlockMapper(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
pv := makeTestPV("test-block-pv", 10, testDriver, testVol)
mounter, err := plug.NewBlockVolumeMapper(
volume.NewSpecFromPersistentVolume(pv, pv.Spec.PersistentVolumeSource.CSI.ReadOnly),
&api.Pod{ObjectMeta: meta.ObjectMeta{UID: testPodUID, Namespace: testns}},
volume.VolumeOptions{},
)
if err != nil {
t.Fatalf("Failed to make a new BlockMapper: %v", err)
}
if mounter == nil {
t.Fatal("failed to create CSI BlockMapper, mapper is nill")
}
csiMapper := mounter.(*csiBlockMapper)
// validate mounter fields
if csiMapper.driverName != testDriver {
t.Error("CSI block mapper missing driver name")
}
if csiMapper.volumeID != testVol {
t.Error("CSI block mapper missing volumeID")
}
if csiMapper.podUID == types.UID("") {
t.Error("CSI block mapper missing pod.UID")
}
if csiMapper.csiClient == nil {
t.Error("mapper csiClient is nil")
}
// ensure data file is created
dataFile := getVolumeDeviceDataDir(csiMapper.spec.Name(), plug.host)
if _, err := os.Stat(dataFile); err != nil {
if os.IsNotExist(err) {
t.Errorf("data file not created %s", dataFile)
} else {
t.Fatal(err)
}
}
}
func TestPluginNewUnmapper(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
pv := makeTestPV("test-pv", 10, testDriver, testVol)
// save the data file to re-create client
dir := getVolumeDeviceDataDir(pv.ObjectMeta.Name, plug.host)
if err := os.MkdirAll(dir, 0755); err != nil && !os.IsNotExist(err) {
t.Errorf("failed to create dir [%s]: %v", dir, err)
}
if err := saveVolumeData(
dir,
volDataFileName,
map[string]string{
volDataKey.specVolID: pv.ObjectMeta.Name,
volDataKey.driverName: testDriver,
volDataKey.volHandle: testVol,
},
); err != nil {
t.Fatalf("failed to save volume data: %v", err)
}
// test unmounter
unmapper, err := plug.NewBlockVolumeUnmapper(pv.ObjectMeta.Name, testPodUID)
csiUnmapper := unmapper.(*csiBlockMapper)
if err != nil {
t.Fatalf("Failed to make a new Unmounter: %v", err)
}
if csiUnmapper == nil {
t.Fatal("failed to create CSI Unmounter")
}
if csiUnmapper.podUID != testPodUID {
t.Error("podUID not set")
}
if csiUnmapper.specName != pv.ObjectMeta.Name {
t.Error("specName not set")
}
if csiUnmapper.csiClient == nil {
t.Error("unmapper csiClient is nil")
}
// test loaded vol data
if csiUnmapper.driverName != testDriver {
t.Error("unmapper driverName not set")
}
if csiUnmapper.volumeID != testVol {
t.Error("unmapper volumeHandle not set")
}
}
func TestPluginConstructBlockVolumeSpec(t *testing.T) {
plug, tmpDir := newTestPlugin(t)
defer os.RemoveAll(tmpDir)
testCases := []struct {
name string
specVolID string
data map[string]string
shouldFail bool
}{
{
name: "valid spec name",
specVolID: "test.vol.id",
data: map[string]string{volDataKey.specVolID: "test.vol.id", volDataKey.volHandle: "test-vol0", volDataKey.driverName: "test-driver0"},
},
}
for _, tc := range testCases {
t.Logf("test case: %s", tc.name)
deviceDataDir := getVolumeDeviceDataDir(tc.specVolID, plug.host)
// create data file in csi plugin dir
if tc.data != nil {
if err := os.MkdirAll(deviceDataDir, 0755); err != nil && !os.IsNotExist(err) {
t.Errorf("failed to create dir [%s]: %v", deviceDataDir, err)
}
if err := saveVolumeData(deviceDataDir, volDataFileName, tc.data); err != nil {
t.Fatal(err)
}
}
// rebuild spec
spec, err := plug.ConstructBlockVolumeSpec("test-podUID", tc.specVolID, getVolumeDevicePluginDir(tc.specVolID, plug.host))
if tc.shouldFail {
if err == nil {
t.Fatal("expecting ConstructVolumeSpec to fail, but got nil error")
}
continue
}
volHandle := spec.PersistentVolume.Spec.CSI.VolumeHandle
if volHandle != tc.data[volDataKey.volHandle] {
t.Errorf("expected volID %s, got volID %s", tc.data[volDataKey.volHandle], volHandle)
}
if spec.Name() != tc.specVolID {
t.Errorf("Unexpected spec name %s", spec.Name())
}
}
}

123
vendor/k8s.io/kubernetes/pkg/volume/csi/csi_util.go generated vendored
View File

@ -1,123 +0,0 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package csi
import (
"encoding/json"
"fmt"
"os"
"path"
"github.com/golang/glog"
api "k8s.io/api/core/v1"
meta "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
kstrings "k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
)
func getCredentialsFromSecret(k8s kubernetes.Interface, secretRef *api.SecretReference) (map[string]string, error) {
credentials := map[string]string{}
secret, err := k8s.CoreV1().Secrets(secretRef.Namespace).Get(secretRef.Name, meta.GetOptions{})
if err != nil {
glog.Errorf("failed to find the secret %s in the namespace %s with error: %v\n", secretRef.Name, secretRef.Namespace, err)
return credentials, err
}
for key, value := range secret.Data {
credentials[key] = string(value)
}
return credentials, nil
}
// saveVolumeData persists parameter data as json file at the provided location
func saveVolumeData(dir string, fileName string, data map[string]string) error {
dataFilePath := path.Join(dir, fileName)
glog.V(4).Info(log("saving volume data file [%s]", dataFilePath))
file, err := os.Create(dataFilePath)
if err != nil {
glog.Error(log("failed to save volume data file %s: %v", dataFilePath, err))
return err
}
defer file.Close()
if err := json.NewEncoder(file).Encode(data); err != nil {
glog.Error(log("failed to save volume data file %s: %v", dataFilePath, err))
return err
}
glog.V(4).Info(log("volume data file saved successfully [%s]", dataFilePath))
return nil
}
// loadVolumeData loads volume info from specified json file/location
func loadVolumeData(dir string, fileName string) (map[string]string, error) {
// remove /mount at the end
dataFileName := path.Join(dir, fileName)
glog.V(4).Info(log("loading volume data file [%s]", dataFileName))
file, err := os.Open(dataFileName)
if err != nil {
glog.Error(log("failed to open volume data file [%s]: %v", dataFileName, err))
return nil, err
}
defer file.Close()
data := map[string]string{}
if err := json.NewDecoder(file).Decode(&data); err != nil {
glog.Error(log("failed to parse volume data file [%s]: %v", dataFileName, err))
return nil, err
}
return data, nil
}
func getCSISourceFromSpec(spec *volume.Spec) (*api.CSIPersistentVolumeSource, error) {
if spec.PersistentVolume != nil &&
spec.PersistentVolume.Spec.CSI != nil {
return spec.PersistentVolume.Spec.CSI, nil
}
return nil, fmt.Errorf("CSIPersistentVolumeSource not defined in spec")
}
func getReadOnlyFromSpec(spec *volume.Spec) (bool, error) {
if spec.PersistentVolume != nil &&
spec.PersistentVolume.Spec.CSI != nil {
return spec.ReadOnly, nil
}
return false, fmt.Errorf("CSIPersistentVolumeSource not defined in spec")
}
// log prepends log string with `kubernetes.io/csi`
func log(msg string, parts ...interface{}) string {
return fmt.Sprintf(fmt.Sprintf("%s: %s", csiPluginName, msg), parts...)
}
// getVolumeDevicePluginDir returns the path where the CSI plugin keeps the
// symlink for a block device associated with a given specVolumeID.
// path: plugins/kubernetes.io/csi/volumeDevices/{specVolumeID}/dev
func getVolumeDevicePluginDir(specVolID string, host volume.VolumeHost) string {
sanitizedSpecVolID := kstrings.EscapeQualifiedNameForDisk(specVolID)
return path.Join(host.GetVolumeDevicePluginDir(csiPluginName), sanitizedSpecVolID, "dev")
}
// getVolumeDeviceDataDir returns the path where the CSI plugin keeps the
// volume data for a block device associated with a given specVolumeID.
// path: plugins/kubernetes.io/csi/volumeDevices/{specVolumeID}/data
func getVolumeDeviceDataDir(specVolID string, host volume.VolumeHost) string {
sanitizedSpecVolID := kstrings.EscapeQualifiedNameForDisk(specVolID)
return path.Join(host.GetVolumeDevicePluginDir(csiPluginName), sanitizedSpecVolID, "data")
}

26
vendor/k8s.io/kubernetes/pkg/volume/csi/fake/BUILD generated vendored
View File

@ -1,26 +0,0 @@
load("@io_bazel_rules_go//go:def.bzl", "go_library")
go_library(
name = "go_default_library",
srcs = ["fake_client.go"],
importpath = "k8s.io/kubernetes/pkg/volume/csi/fake",
visibility = ["//visibility:public"],
deps = [
"//vendor/github.com/container-storage-interface/spec/lib/go/csi/v0:go_default_library",
"//vendor/google.golang.org/grpc:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
visibility = ["//visibility:public"],
)

277
vendor/k8s.io/kubernetes/pkg/volume/csi/fake/fake_client.go generated vendored
View File

@ -1,277 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package fake
import (
"context"
"errors"
"strings"
"google.golang.org/grpc"
csipb "github.com/container-storage-interface/spec/lib/go/csi/v0"
)
// IdentityClient is a CSI identity client used for testing
type IdentityClient struct {
nextErr error
}
// NewIdentityClient returns a new IdentityClient
func NewIdentityClient() *IdentityClient {
return &IdentityClient{}
}
// SetNextError injects expected error
func (f *IdentityClient) SetNextError(err error) {
f.nextErr = err
}
// GetPluginInfo returns plugin info
func (f *IdentityClient) GetPluginInfo(ctx context.Context, in *csipb.GetPluginInfoRequest, opts ...grpc.CallOption) (*csipb.GetPluginInfoResponse, error) {
return nil, nil
}
// GetPluginCapabilities implements csi method
func (f *IdentityClient) GetPluginCapabilities(ctx context.Context, in *csipb.GetPluginCapabilitiesRequest, opts ...grpc.CallOption) (*csipb.GetPluginCapabilitiesResponse, error) {
return nil, nil
}
// Probe implements csi method
func (f *IdentityClient) Probe(ctx context.Context, in *csipb.ProbeRequest, opts ...grpc.CallOption) (*csipb.ProbeResponse, error) {
return nil, nil
}
// NodeClient returns CSI node client
type NodeClient struct {
nodePublishedVolumes map[string]string
nodeStagedVolumes map[string]string
stageUnstageSet bool
nextErr error
}
// NewNodeClient returns fake node client
func NewNodeClient(stageUnstageSet bool) *NodeClient {
return &NodeClient{
nodePublishedVolumes: make(map[string]string),
nodeStagedVolumes: make(map[string]string),
stageUnstageSet: stageUnstageSet,
}
}
// SetNextError injects next expected error
func (f *NodeClient) SetNextError(err error) {
f.nextErr = err
}
// GetNodePublishedVolumes returns node published volumes
func (f *NodeClient) GetNodePublishedVolumes() map[string]string {
return f.nodePublishedVolumes
}
// GetNodeStagedVolumes returns node staged volumes
func (f *NodeClient) GetNodeStagedVolumes() map[string]string {
return f.nodeStagedVolumes
}
func (f *NodeClient) AddNodeStagedVolume(volID, deviceMountPath string) {
f.nodeStagedVolumes[volID] = deviceMountPath
}
// NodePublishVolume implements CSI NodePublishVolume
func (f *NodeClient) NodePublishVolume(ctx context.Context, req *csipb.NodePublishVolumeRequest, opts ...grpc.CallOption) (*csipb.NodePublishVolumeResponse, error) {
if f.nextErr != nil {
return nil, f.nextErr
}
if req.GetVolumeId() == "" {
return nil, errors.New("missing volume id")
}
if req.GetTargetPath() == "" {
return nil, errors.New("missing target path")
}
fsTypes := "block|ext4|xfs|zfs"
fsType := req.GetVolumeCapability().GetMount().GetFsType()
if !strings.Contains(fsTypes, fsType) {
return nil, errors.New("invalid fstype")
}
f.nodePublishedVolumes[req.GetVolumeId()] = req.GetTargetPath()
return &csipb.NodePublishVolumeResponse{}, nil
}
// NodeUnpublishVolume implements csi method
func (f *NodeClient) NodeUnpublishVolume(ctx context.Context, req *csipb.NodeUnpublishVolumeRequest, opts ...grpc.CallOption) (*csipb.NodeUnpublishVolumeResponse, error) {
if f.nextErr != nil {
return nil, f.nextErr
}
if req.GetVolumeId() == "" {
return nil, errors.New("missing volume id")
}
if req.GetTargetPath() == "" {
return nil, errors.New("missing target path")
}
delete(f.nodePublishedVolumes, req.GetVolumeId())
return &csipb.NodeUnpublishVolumeResponse{}, nil
}
// NodeStagevolume implements csi method
func (f *NodeClient) NodeStageVolume(ctx context.Context, req *csipb.NodeStageVolumeRequest, opts ...grpc.CallOption) (*csipb.NodeStageVolumeResponse, error) {
if f.nextErr != nil {
return nil, f.nextErr
}
if req.GetVolumeId() == "" {
return nil, errors.New("missing volume id")
}
if req.GetStagingTargetPath() == "" {
return nil, errors.New("missing staging target path")
}
fsType := ""
fsTypes := "block|ext4|xfs|zfs"
mounted := req.GetVolumeCapability().GetMount()
if mounted != nil {
fsType = mounted.GetFsType()
}
if !strings.Contains(fsTypes, fsType) {
return nil, errors.New("invalid fstype")
}
f.nodeStagedVolumes[req.GetVolumeId()] = req.GetStagingTargetPath()
return &csipb.NodeStageVolumeResponse{}, nil
}
// NodeUnstageVolume implements csi method
func (f *NodeClient) NodeUnstageVolume(ctx context.Context, req *csipb.NodeUnstageVolumeRequest, opts ...grpc.CallOption) (*csipb.NodeUnstageVolumeResponse, error) {
if f.nextErr != nil {
return nil, f.nextErr
}
if req.GetVolumeId() == "" {
return nil, errors.New("missing volume id")
}
if req.GetStagingTargetPath() == "" {
return nil, errors.New("missing staging target path")
}
delete(f.nodeStagedVolumes, req.GetVolumeId())
return &csipb.NodeUnstageVolumeResponse{}, nil
}
// NodeGetId implements method
func (f *NodeClient) NodeGetId(ctx context.Context, in *csipb.NodeGetIdRequest, opts ...grpc.CallOption) (*csipb.NodeGetIdResponse, error) {
return nil, nil
}
// NodeGetCapabilities implements csi method
func (f *NodeClient) NodeGetCapabilities(ctx context.Context, in *csipb.NodeGetCapabilitiesRequest, opts ...grpc.CallOption) (*csipb.NodeGetCapabilitiesResponse, error) {
resp := &csipb.NodeGetCapabilitiesResponse{
Capabilities: []*csipb.NodeServiceCapability{
{
Type: &csipb.NodeServiceCapability_Rpc{
Rpc: &csipb.NodeServiceCapability_RPC{
Type: csipb.NodeServiceCapability_RPC_STAGE_UNSTAGE_VOLUME,
},
},
},
},
}
if f.stageUnstageSet {
return resp, nil
}
return nil, nil
}
// ControllerClient represents a CSI Controller client
type ControllerClient struct {
nextCapabilities []*csipb.ControllerServiceCapability
nextErr error
}
// NewControllerClient returns a ControllerClient
func NewControllerClient() *ControllerClient {
return &ControllerClient{}
}
// SetNextError injects next expected error
func (f *ControllerClient) SetNextError(err error) {
f.nextErr = err
}
// SetNextCapabilities injects next expected capabilities
func (f *ControllerClient) SetNextCapabilities(caps []*csipb.ControllerServiceCapability) {
f.nextCapabilities = caps
}
// ControllerGetCapabilities implements csi method
func (f *ControllerClient) ControllerGetCapabilities(ctx context.Context, in *csipb.ControllerGetCapabilitiesRequest, opts ...grpc.CallOption) (*csipb.ControllerGetCapabilitiesResponse, error) {
if f.nextErr != nil {
return nil, f.nextErr
}
if f.nextCapabilities == nil {
f.nextCapabilities = []*csipb.ControllerServiceCapability{
{
Type: &csipb.ControllerServiceCapability_Rpc{
Rpc: &csipb.ControllerServiceCapability_RPC{
Type: csipb.ControllerServiceCapability_RPC_PUBLISH_UNPUBLISH_VOLUME,
},
},
},
}
}
return &csipb.ControllerGetCapabilitiesResponse{
Capabilities: f.nextCapabilities,
}, nil
}
// CreateVolume implements csi method
func (f *ControllerClient) CreateVolume(ctx context.Context, in *csipb.CreateVolumeRequest, opts ...grpc.CallOption) (*csipb.CreateVolumeResponse, error) {
return nil, nil
}
// DeleteVolume implements csi method
func (f *ControllerClient) DeleteVolume(ctx context.Context, in *csipb.DeleteVolumeRequest, opts ...grpc.CallOption) (*csipb.DeleteVolumeResponse, error) {
return nil, nil
}
// ControllerPublishVolume implements csi method
func (f *ControllerClient) ControllerPublishVolume(ctx context.Context, in *csipb.ControllerPublishVolumeRequest, opts ...grpc.CallOption) (*csipb.ControllerPublishVolumeResponse, error) {
return nil, nil
}
// ControllerUnpublishVolume implements csi method
func (f *ControllerClient) ControllerUnpublishVolume(ctx context.Context, in *csipb.ControllerUnpublishVolumeRequest, opts ...grpc.CallOption) (*csipb.ControllerUnpublishVolumeResponse, error) {
return nil, nil
}
// ValidateVolumeCapabilities implements csi method
func (f *ControllerClient) ValidateVolumeCapabilities(ctx context.Context, in *csipb.ValidateVolumeCapabilitiesRequest, opts ...grpc.CallOption) (*csipb.ValidateVolumeCapabilitiesResponse, error) {
return nil, nil
}
// ListVolumes implements csi method
func (f *ControllerClient) ListVolumes(ctx context.Context, in *csipb.ListVolumesRequest, opts ...grpc.CallOption) (*csipb.ListVolumesResponse, error) {
return nil, nil
}
// GetCapacity implements csi method
func (f *ControllerClient) GetCapacity(ctx context.Context, in *csipb.GetCapacityRequest, opts ...grpc.CallOption) (*csipb.GetCapacityResponse, error) {
return nil, nil
}

30
vendor/k8s.io/kubernetes/pkg/volume/csi/labelmanager/BUILD generated vendored
View File

@ -1,30 +0,0 @@
load("@io_bazel_rules_go//go:def.bzl", "go_library")
go_library(
name = "go_default_library",
srcs = ["labelmanager.go"],
importpath = "k8s.io/kubernetes/pkg/volume/csi/labelmanager",
visibility = ["//visibility:public"],
deps = [
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/client-go/kubernetes:go_default_library",
"//vendor/k8s.io/client-go/kubernetes/typed/core/v1:go_default_library",
"//vendor/k8s.io/client-go/util/retry:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
visibility = ["//visibility:public"],
)

251
vendor/k8s.io/kubernetes/pkg/volume/csi/labelmanager/labelmanager.go generated vendored
View File

@ -1,251 +0,0 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package labelmanager includes internal functions used to add/delete labels to
// kubernetes nodes for corresponding CSI drivers
package labelmanager // import "k8s.io/kubernetes/pkg/volume/csi/labelmanager"
import (
"encoding/json"
"fmt"
"github.com/golang/glog"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/kubernetes"
corev1 "k8s.io/client-go/kubernetes/typed/core/v1"
"k8s.io/client-go/util/retry"
)
const (
// Name of node annotation that contains JSON map of driver names to node
// names
annotationKey = "csi.volume.kubernetes.io/nodeid"
csiPluginName = "kubernetes.io/csi"
)
// labelManagementStruct is struct of channels used for communication between the driver registration
// code and the go routine responsible for managing the node's labels
type labelManagerStruct struct {
nodeName types.NodeName
k8s kubernetes.Interface
}
// Interface implements an interface for managing labels of a node
type Interface interface {
AddLabels(driverName string) error
}
// NewLabelManager initializes labelManagerStruct and returns available interfaces
func NewLabelManager(nodeName types.NodeName, kubeClient kubernetes.Interface) Interface {
return labelManagerStruct{
nodeName: nodeName,
k8s: kubeClient,
}
}
// nodeLabelManager waits for labeling requests initiated by the driver's registration
// process.
func (lm labelManagerStruct) AddLabels(driverName string) error {
err := verifyAndAddNodeId(string(lm.nodeName), lm.k8s.CoreV1().Nodes(), driverName, string(lm.nodeName))
if err != nil {
return fmt.Errorf("failed to update node %s's annotation with error: %+v", lm.nodeName, err)
}
return nil
}
// Clones the given map and returns a new map with the given key and value added.
// Returns the given map, if annotationKey is empty.
func cloneAndAddAnnotation(
annotations map[string]string,
annotationKey,
annotationValue string) map[string]string {
if annotationKey == "" {
// Don't need to add an annotation.
return annotations
}
// Clone.
newAnnotations := map[string]string{}
for key, value := range annotations {
newAnnotations[key] = value
}
newAnnotations[annotationKey] = annotationValue
return newAnnotations
}
func verifyAndAddNodeId(
k8sNodeName string,
k8sNodesClient corev1.NodeInterface,
csiDriverName string,
csiDriverNodeId string) error {
// Add or update annotation on Node object
retryErr := retry.RetryOnConflict(retry.DefaultRetry, func() error {
// Retrieve the latest version of Node before attempting update, so that
// existing changes are not overwritten. RetryOnConflict uses
// exponential backoff to avoid exhausting the apiserver.
result, getErr := k8sNodesClient.Get(k8sNodeName, metav1.GetOptions{})
if getErr != nil {
glog.Errorf("Failed to get latest version of Node: %v", getErr)
return getErr // do not wrap error
}
var previousAnnotationValue string
if result.ObjectMeta.Annotations != nil {
previousAnnotationValue =
result.ObjectMeta.Annotations[annotationKey]
glog.V(3).Infof(
"previousAnnotationValue=%q", previousAnnotationValue)
}
existingDriverMap := map[string]string{}
if previousAnnotationValue != "" {
// Parse previousAnnotationValue as JSON
if err := json.Unmarshal([]byte(previousAnnotationValue), &existingDriverMap); err != nil {
return fmt.Errorf(
"failed to parse node's %q annotation value (%q) err=%v",
annotationKey,
previousAnnotationValue,
err)
}
}
if val, ok := existingDriverMap[csiDriverName]; ok {
if val == csiDriverNodeId {
// Value already exists in node annotation, nothing more to do
glog.V(1).Infof(
"The key value {%q: %q} alredy eixst in node %q annotation, no need to update: %v",
csiDriverName,
csiDriverNodeId,
annotationKey,
previousAnnotationValue)
return nil
}
}
// Add/update annotation value
existingDriverMap[csiDriverName] = csiDriverNodeId
jsonObj, err := json.Marshal(existingDriverMap)
if err != nil {
return fmt.Errorf(
"failed while trying to add key value {%q: %q} to node %q annotation. Existing value: %v",
csiDriverName,
csiDriverNodeId,
annotationKey,
previousAnnotationValue)
}
result.ObjectMeta.Annotations = cloneAndAddAnnotation(
result.ObjectMeta.Annotations,
annotationKey,
string(jsonObj))
_, updateErr := k8sNodesClient.Update(result)
if updateErr == nil {
fmt.Printf(
"Updated node %q successfully for CSI driver %q and CSI node name %q",
k8sNodeName,
csiDriverName,
csiDriverNodeId)
}
return updateErr // do not wrap error
})
if retryErr != nil {
return fmt.Errorf("node update failed: %v", retryErr)
}
return nil
}
// Fetches Kubernetes node API object corresponding to k8sNodeName.
// If the csiDriverName is present in the node annotation, it is removed.
func verifyAndDeleteNodeId(
k8sNodeName string,
k8sNodesClient corev1.NodeInterface,
csiDriverName string) error {
retryErr := retry.RetryOnConflict(retry.DefaultRetry, func() error {
// Retrieve the latest version of Node before attempting update, so that
// existing changes are not overwritten. RetryOnConflict uses
// exponential backoff to avoid exhausting the apiserver.
result, getErr := k8sNodesClient.Get(k8sNodeName, metav1.GetOptions{})
if getErr != nil {
glog.Errorf("failed to get latest version of Node: %v", getErr)
return getErr // do not wrap error
}
var previousAnnotationValue string
if result.ObjectMeta.Annotations != nil {
previousAnnotationValue =
result.ObjectMeta.Annotations[annotationKey]
glog.V(3).Infof(
"previousAnnotationValue=%q", previousAnnotationValue)
}
existingDriverMap := map[string]string{}
if previousAnnotationValue == "" {
// Value already exists in node annotation, nothing more to do
glog.V(1).Infof(
"The key %q does not exist in node %q annotation, no need to cleanup.",
csiDriverName,
annotationKey)
return nil
}
// Parse previousAnnotationValue as JSON
if err := json.Unmarshal([]byte(previousAnnotationValue), &existingDriverMap); err != nil {
return fmt.Errorf(
"failed to parse node's %q annotation value (%q) err=%v",
annotationKey,
previousAnnotationValue,
err)
}
if _, ok := existingDriverMap[csiDriverName]; !ok {
// Value already exists in node annotation, nothing more to do
glog.V(1).Infof(
"The key %q does not eixst in node %q annotation, no need to cleanup: %v",
csiDriverName,
annotationKey,
previousAnnotationValue)
return nil
}
// Add/update annotation value
delete(existingDriverMap, csiDriverName)
jsonObj, err := json.Marshal(existingDriverMap)
if err != nil {
return fmt.Errorf(
"failed while trying to remove key %q from node %q annotation. Existing data: %v",
csiDriverName,
annotationKey,
previousAnnotationValue)
}
result.ObjectMeta.Annotations = cloneAndAddAnnotation(
result.ObjectMeta.Annotations,
annotationKey,
string(jsonObj))
_, updateErr := k8sNodesClient.Update(result)
if updateErr == nil {
fmt.Printf(
"Updated node %q annotation to remove CSI driver %q.",
k8sNodeName,
csiDriverName)
}
return updateErr // do not wrap error
})
if retryErr != nil {
return fmt.Errorf("node update failed: %v", retryErr)
}
return nil
}

19
vendor/k8s.io/kubernetes/pkg/volume/doc.go generated vendored
View File

@ -1,19 +0,0 @@
/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package volume includes internal representations of external volume types
// as well as utility methods required to mount/unmount volumes to kubelets.
package volume // import "k8s.io/kubernetes/pkg/volume"

55
vendor/k8s.io/kubernetes/pkg/volume/downwardapi/BUILD generated vendored
View File

@ -1,55 +0,0 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_library(
name = "go_default_library",
srcs = ["downwardapi.go"],
importpath = "k8s.io/kubernetes/pkg/volume/downwardapi",
deps = [
"//pkg/api/v1/resource:go_default_library",
"//pkg/fieldpath:go_default_library",
"//pkg/util/strings:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/util:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/errors:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = ["downwardapi_test.go"],
embed = [":go_default_library"],
deps = [
"//pkg/fieldpath:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/empty_dir:go_default_library",
"//pkg/volume/testing:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/client-go/kubernetes:go_default_library",
"//vendor/k8s.io/client-go/kubernetes/fake:go_default_library",
"//vendor/k8s.io/client-go/util/testing:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)

14
vendor/k8s.io/kubernetes/pkg/volume/downwardapi/OWNERS generated vendored
View File

@ -1,14 +0,0 @@
approvers:
- pmorie
- saad-ali
- thockin
- matchstick
reviewers:
- ivan4th
- rata
- sjenning
- saad-ali
- jsafrane
- rootfs
- jingxu97
- msau42

309
vendor/k8s.io/kubernetes/pkg/volume/downwardapi/downwardapi.go generated vendored
View File

@ -1,309 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package downwardapi
import (
"fmt"
"path"
"path/filepath"
"sort"
"strings"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
utilerrors "k8s.io/apimachinery/pkg/util/errors"
"k8s.io/kubernetes/pkg/api/v1/resource"
"k8s.io/kubernetes/pkg/fieldpath"
utilstrings "k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
volumeutil "k8s.io/kubernetes/pkg/volume/util"
"github.com/golang/glog"
)
// ProbeVolumePlugins is the entry point for plugin detection in a package.
func ProbeVolumePlugins() []volume.VolumePlugin {
return []volume.VolumePlugin{&downwardAPIPlugin{}}
}
const (
downwardAPIPluginName = "kubernetes.io/downward-api"
)
// downwardAPIPlugin implements the VolumePlugin interface.
type downwardAPIPlugin struct {
host volume.VolumeHost
}
var _ volume.VolumePlugin = &downwardAPIPlugin{}
func wrappedVolumeSpec() volume.Spec {
return volume.Spec{
Volume: &v1.Volume{VolumeSource: v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{Medium: v1.StorageMediumMemory}}},
}
}
func (plugin *downwardAPIPlugin) Init(host volume.VolumeHost) error {
plugin.host = host
return nil
}
func (plugin *downwardAPIPlugin) GetPluginName() string {
return downwardAPIPluginName
}
func (plugin *downwardAPIPlugin) GetVolumeName(spec *volume.Spec) (string, error) {
volumeSource, _ := getVolumeSource(spec)
if volumeSource == nil {
return "", fmt.Errorf("Spec does not reference a DownwardAPI volume type")
}
// Return user defined volume name, since this is an ephemeral volume type
return spec.Name(), nil
}
func (plugin *downwardAPIPlugin) CanSupport(spec *volume.Spec) bool {
return spec.Volume != nil && spec.Volume.DownwardAPI != nil
}
func (plugin *downwardAPIPlugin) RequiresRemount() bool {
return true
}
func (plugin *downwardAPIPlugin) SupportsMountOption() bool {
return false
}
func (plugin *downwardAPIPlugin) SupportsBulkVolumeVerification() bool {
return false
}
func (plugin *downwardAPIPlugin) NewMounter(spec *volume.Spec, pod *v1.Pod, opts volume.VolumeOptions) (volume.Mounter, error) {
v := &downwardAPIVolume{
volName: spec.Name(),
items: spec.Volume.DownwardAPI.Items,
pod: pod,
podUID: pod.UID,
plugin: plugin,
}
return &downwardAPIVolumeMounter{
downwardAPIVolume: v,
source: *spec.Volume.DownwardAPI,
opts: &opts,
}, nil
}
func (plugin *downwardAPIPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
return &downwardAPIVolumeUnmounter{
&downwardAPIVolume{
volName: volName,
podUID: podUID,
plugin: plugin,
},
}, nil
}
func (plugin *downwardAPIPlugin) ConstructVolumeSpec(volumeName, mountPath string) (*volume.Spec, error) {
downwardAPIVolume := &v1.Volume{
Name: volumeName,
VolumeSource: v1.VolumeSource{
DownwardAPI: &v1.DownwardAPIVolumeSource{},
},
}
return volume.NewSpecFromVolume(downwardAPIVolume), nil
}
// downwardAPIVolume retrieves downward API data and placing them into the volume on the host.
type downwardAPIVolume struct {
volName string
items []v1.DownwardAPIVolumeFile
pod *v1.Pod
podUID types.UID // TODO: remove this redundancy as soon NewUnmounter func will have *v1.POD and not only types.UID
plugin *downwardAPIPlugin
volume.MetricsNil
}
// downwardAPIVolumeMounter fetches info from downward API from the pod
// and dumps it in files
type downwardAPIVolumeMounter struct {
*downwardAPIVolume
source v1.DownwardAPIVolumeSource
opts *volume.VolumeOptions
}
// downwardAPIVolumeMounter implements volume.Mounter interface
var _ volume.Mounter = &downwardAPIVolumeMounter{}
// downward API volumes are always ReadOnlyManaged
func (d *downwardAPIVolume) GetAttributes() volume.Attributes {
return volume.Attributes{
ReadOnly: true,
Managed: true,
SupportsSELinux: true,
}
}
// Checks prior to mount operations to verify that the required components (binaries, etc.)
// to mount the volume are available on the underlying node.
// If not, it returns an error
func (b *downwardAPIVolumeMounter) CanMount() error {
return nil
}
// SetUp puts in place the volume plugin.
// This function is not idempotent by design. We want the data to be refreshed periodically.
// The internal sync interval of kubelet will drive the refresh of data.
// TODO: Add volume specific ticker and refresh loop
func (b *downwardAPIVolumeMounter) SetUp(fsGroup *int64) error {
return b.SetUpAt(b.GetPath(), fsGroup)
}
func (b *downwardAPIVolumeMounter) SetUpAt(dir string, fsGroup *int64) error {
glog.V(3).Infof("Setting up a downwardAPI volume %v for pod %v/%v at %v", b.volName, b.pod.Namespace, b.pod.Name, dir)
// Wrap EmptyDir. Here we rely on the idempotency of the wrapped plugin to avoid repeatedly mounting
wrapped, err := b.plugin.host.NewWrapperMounter(b.volName, wrappedVolumeSpec(), b.pod, *b.opts)
if err != nil {
glog.Errorf("Couldn't setup downwardAPI volume %v for pod %v/%v: %s", b.volName, b.pod.Namespace, b.pod.Name, err.Error())
return err
}
data, err := CollectData(b.source.Items, b.pod, b.plugin.host, b.source.DefaultMode)
if err != nil {
glog.Errorf("Error preparing data for downwardAPI volume %v for pod %v/%v: %s", b.volName, b.pod.Namespace, b.pod.Name, err.Error())
return err
}
if err := wrapped.SetUpAt(dir, fsGroup); err != nil {
glog.Errorf("Unable to setup downwardAPI volume %v for pod %v/%v: %s", b.volName, b.pod.Namespace, b.pod.Name, err.Error())
return err
}
if err := volumeutil.MakeNestedMountpoints(b.volName, dir, *b.pod); err != nil {
return err
}
writerContext := fmt.Sprintf("pod %v/%v volume %v", b.pod.Namespace, b.pod.Name, b.volName)
writer, err := volumeutil.NewAtomicWriter(dir, writerContext)
if err != nil {
glog.Errorf("Error creating atomic writer: %v", err)
return err
}
err = writer.Write(data)
if err != nil {
glog.Errorf("Error writing payload to dir: %v", err)
return err
}
err = volume.SetVolumeOwnership(b, fsGroup)
if err != nil {
glog.Errorf("Error applying volume ownership settings for group: %v", fsGroup)
return err
}
return nil
}
// CollectData collects requested downwardAPI in data map.
// Map's key is the requested name of file to dump
// Map's value is the (sorted) content of the field to be dumped in the file.
//
// Note: this function is exported so that it can be called from the projection volume driver
func CollectData(items []v1.DownwardAPIVolumeFile, pod *v1.Pod, host volume.VolumeHost, defaultMode *int32) (map[string]volumeutil.FileProjection, error) {
if defaultMode == nil {
return nil, fmt.Errorf("No defaultMode used, not even the default value for it")
}
errlist := []error{}
data := make(map[string]volumeutil.FileProjection)
for _, fileInfo := range items {
var fileProjection volumeutil.FileProjection
fPath := filepath.Clean(fileInfo.Path)
if fileInfo.Mode != nil {
fileProjection.Mode = *fileInfo.Mode
} else {
fileProjection.Mode = *defaultMode
}
if fileInfo.FieldRef != nil {
// TODO: unify with Kubelet.podFieldSelectorRuntimeValue
if values, err := fieldpath.ExtractFieldPathAsString(pod, fileInfo.FieldRef.FieldPath); err != nil {
glog.Errorf("Unable to extract field %s: %s", fileInfo.FieldRef.FieldPath, err.Error())
errlist = append(errlist, err)
} else {
fileProjection.Data = []byte(sortLines(values))
}
} else if fileInfo.ResourceFieldRef != nil {
containerName := fileInfo.ResourceFieldRef.ContainerName
nodeAllocatable, err := host.GetNodeAllocatable()
if err != nil {
errlist = append(errlist, err)
} else if values, err := resource.ExtractResourceValueByContainerNameAndNodeAllocatable(fileInfo.ResourceFieldRef, pod, containerName, nodeAllocatable); err != nil {
glog.Errorf("Unable to extract field %s: %s", fileInfo.ResourceFieldRef.Resource, err.Error())
errlist = append(errlist, err)
} else {
fileProjection.Data = []byte(sortLines(values))
}
}
data[fPath] = fileProjection
}
return data, utilerrors.NewAggregate(errlist)
}
// sortLines sorts the strings generated from map based data
// (annotations and labels)
func sortLines(values string) string {
splitted := strings.Split(values, "\n")
sort.Strings(splitted)
return strings.Join(splitted, "\n")
}
func (d *downwardAPIVolume) GetPath() string {
return d.plugin.host.GetPodVolumeDir(d.podUID, utilstrings.EscapeQualifiedNameForDisk(downwardAPIPluginName), d.volName)
}
// downwardAPIVolumeCleaner handles cleaning up downwardAPI volumes
type downwardAPIVolumeUnmounter struct {
*downwardAPIVolume
}
// downwardAPIVolumeUnmounter implements volume.Unmounter interface
var _ volume.Unmounter = &downwardAPIVolumeUnmounter{}
func (c *downwardAPIVolumeUnmounter) TearDown() error {
return c.TearDownAt(c.GetPath())
}
func (c *downwardAPIVolumeUnmounter) TearDownAt(dir string) error {
return volumeutil.UnmountViaEmptyDir(dir, c.plugin.host, c.volName, wrappedVolumeSpec(), c.podUID)
}
func (b *downwardAPIVolumeMounter) getMetaDir() string {
return path.Join(b.plugin.host.GetPodPluginDir(b.podUID, utilstrings.EscapeQualifiedNameForDisk(downwardAPIPluginName)), b.volName)
}
func getVolumeSource(spec *volume.Spec) (*v1.DownwardAPIVolumeSource, bool) {
var readOnly bool
var volumeSource *v1.DownwardAPIVolumeSource
if spec.Volume != nil && spec.Volume.DownwardAPI != nil {
volumeSource = spec.Volume.DownwardAPI
readOnly = spec.ReadOnly
}
return volumeSource, readOnly
}

399
vendor/k8s.io/kubernetes/pkg/volume/downwardapi/downwardapi_test.go generated vendored
View File

@ -1,399 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package downwardapi
import (
"fmt"
"io/ioutil"
"os"
"path"
"testing"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/fake"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/fieldpath"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/empty_dir"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
const (
downwardAPIDir = "..data"
testPodUID = types.UID("test_pod_uid")
testNamespace = "test_metadata_namespace"
testName = "test_metadata_name"
)
func newTestHost(t *testing.T, clientset clientset.Interface) (string, volume.VolumeHost) {
tempDir, err := utiltesting.MkTmpdir("downwardApi_volume_test.")
if err != nil {
t.Fatalf("can't make a temp rootdir: %v", err)
}
return tempDir, volumetest.NewFakeVolumeHost(tempDir, clientset, empty_dir.ProbeVolumePlugins())
}
func TestCanSupport(t *testing.T) {
pluginMgr := volume.VolumePluginMgr{}
tmpDir, host := newTestHost(t, nil)
defer os.RemoveAll(tmpDir)
pluginMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, host)
plugin, err := pluginMgr.FindPluginByName(downwardAPIPluginName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plugin.GetPluginName() != downwardAPIPluginName {
t.Errorf("Wrong name: %s", plugin.GetPluginName())
}
if !plugin.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{DownwardAPI: &v1.DownwardAPIVolumeSource{}}}}) {
t.Errorf("Expected true")
}
if plugin.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{}}}) {
t.Errorf("Expected false")
}
}
func TestDownwardAPI(t *testing.T) {
labels1 := map[string]string{
"key1": "value1",
"key2": "value2",
}
labels2 := map[string]string{
"key1": "value1",
"key2": "value2",
"key3": "value3",
}
annotations := map[string]string{
"a1": "value1",
"a2": "value2",
}
testCases := []struct {
name string
files map[string]string
modes map[string]int32
podLabels map[string]string
podAnnotations map[string]string
steps []testStep
}{
{
name: "test_labels",
files: map[string]string{"labels": "metadata.labels"},
podLabels: labels1,
steps: []testStep{
// for steps that involve files, stepName is also
// used as the name of the file to verify
verifyMapInFile{stepName{"labels"}, labels1},
},
},
{
name: "test_annotations",
files: map[string]string{"annotations": "metadata.annotations"},
podAnnotations: annotations,
steps: []testStep{
verifyMapInFile{stepName{"annotations"}, annotations},
},
},
{
name: "test_name",
files: map[string]string{"name_file_name": "metadata.name"},
steps: []testStep{
verifyLinesInFile{stepName{"name_file_name"}, testName},
},
},
{
name: "test_namespace",
files: map[string]string{"namespace_file_name": "metadata.namespace"},
steps: []testStep{
verifyLinesInFile{stepName{"namespace_file_name"}, testNamespace},
},
},
{
name: "test_write_twice_no_update",
files: map[string]string{"labels": "metadata.labels"},
podLabels: labels1,
steps: []testStep{
reSetUp{stepName{"resetup"}, false, nil},
verifyMapInFile{stepName{"labels"}, labels1},
},
},
{
name: "test_write_twice_with_update",
files: map[string]string{"labels": "metadata.labels"},
podLabels: labels1,
steps: []testStep{
reSetUp{stepName{"resetup"}, true, labels2},
verifyMapInFile{stepName{"labels"}, labels2},
},
},
{
name: "test_write_with_unix_path",
files: map[string]string{
"these/are/my/labels": "metadata.labels",
"these/are/your/annotations": "metadata.annotations",
},
podLabels: labels1,
podAnnotations: annotations,
steps: []testStep{
verifyMapInFile{stepName{"these/are/my/labels"}, labels1},
verifyMapInFile{stepName{"these/are/your/annotations"}, annotations},
},
},
{
name: "test_write_with_two_consecutive_slashes_in_the_path",
files: map[string]string{"this//labels": "metadata.labels"},
podLabels: labels1,
steps: []testStep{
verifyMapInFile{stepName{"this/labels"}, labels1},
},
},
{
name: "test_default_mode",
files: map[string]string{"name_file_name": "metadata.name"},
steps: []testStep{
verifyMode{stepName{"name_file_name"}, 0644},
},
},
{
name: "test_item_mode",
files: map[string]string{"name_file_name": "metadata.name"},
modes: map[string]int32{"name_file_name": 0400},
steps: []testStep{
verifyMode{stepName{"name_file_name"}, 0400},
},
},
}
for _, testCase := range testCases {
test := newDownwardAPITest(t, testCase.name, testCase.files, testCase.podLabels, testCase.podAnnotations, testCase.modes)
for _, step := range testCase.steps {
test.t.Logf("Test case: %q Step: %q", testCase.name, step.getName())
step.run(test)
}
test.tearDown()
}
}
type downwardAPITest struct {
t *testing.T
name string
plugin volume.VolumePlugin
pod *v1.Pod
mounter volume.Mounter
volumePath string
rootDir string
}
func newDownwardAPITest(t *testing.T, name string, volumeFiles, podLabels, podAnnotations map[string]string, modes map[string]int32) *downwardAPITest {
defaultMode := int32(0644)
var files []v1.DownwardAPIVolumeFile
for path, fieldPath := range volumeFiles {
file := v1.DownwardAPIVolumeFile{
Path: path,
FieldRef: &v1.ObjectFieldSelector{
FieldPath: fieldPath,
},
}
if mode, found := modes[path]; found {
file.Mode = &mode
}
files = append(files, file)
}
podMeta := metav1.ObjectMeta{
Name: testName,
Namespace: testNamespace,
Labels: podLabels,
Annotations: podAnnotations,
}
clientset := fake.NewSimpleClientset(&v1.Pod{ObjectMeta: podMeta})
pluginMgr := volume.VolumePluginMgr{}
rootDir, host := newTestHost(t, clientset)
pluginMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, host)
plugin, err := pluginMgr.FindPluginByName(downwardAPIPluginName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
volumeSpec := &v1.Volume{
Name: name,
VolumeSource: v1.VolumeSource{
DownwardAPI: &v1.DownwardAPIVolumeSource{
DefaultMode: &defaultMode,
Items: files,
},
},
}
podMeta.UID = testPodUID
pod := &v1.Pod{ObjectMeta: podMeta}
mounter, err := plugin.NewMounter(volume.NewSpecFromVolume(volumeSpec), pod, volume.VolumeOptions{})
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Fatalf("Got a nil Mounter")
}
volumePath := mounter.GetPath()
err = mounter.SetUp(nil)
if err != nil {
t.Errorf("Failed to setup volume: %v", err)
}
// downwardAPI volume should create its own empty wrapper path
podWrapperMetadataDir := fmt.Sprintf("%v/pods/%v/plugins/kubernetes.io~empty-dir/wrapped_%v", rootDir, testPodUID, name)
if _, err := os.Stat(podWrapperMetadataDir); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, empty-dir wrapper path was not created: %s", podWrapperMetadataDir)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
return &downwardAPITest{
t: t,
plugin: plugin,
pod: pod,
mounter: mounter,
volumePath: volumePath,
rootDir: rootDir,
}
}
func (test *downwardAPITest) tearDown() {
unmounter, err := test.plugin.NewUnmounter(test.name, testPodUID)
if err != nil {
test.t.Errorf("Failed to make a new Unmounter: %v", err)
}
if unmounter == nil {
test.t.Fatalf("Got a nil Unmounter")
}
if err := unmounter.TearDown(); err != nil {
test.t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(test.volumePath); err == nil {
test.t.Errorf("TearDown() failed, volume path still exists: %s", test.volumePath)
} else if !os.IsNotExist(err) {
test.t.Errorf("TearDown() failed: %v", err)
}
os.RemoveAll(test.rootDir)
}
// testStep represents a named step of downwardAPITest.
// For steps that deal with files, step name also serves
// as the name of the file that's used by the step.
type testStep interface {
getName() string
run(*downwardAPITest)
}
type stepName struct {
name string
}
func (step stepName) getName() string { return step.name }
func doVerifyLinesInFile(t *testing.T, volumePath, filename string, expected string) {
data, err := ioutil.ReadFile(path.Join(volumePath, filename))
if err != nil {
t.Errorf(err.Error())
return
}
actualStr := sortLines(string(data))
expectedStr := sortLines(expected)
if actualStr != expectedStr {
t.Errorf("Found `%s`, expected `%s`", actualStr, expectedStr)
}
}
type verifyLinesInFile struct {
stepName
expected string
}
func (step verifyLinesInFile) run(test *downwardAPITest) {
doVerifyLinesInFile(test.t, test.volumePath, step.name, step.expected)
}
type verifyMapInFile struct {
stepName
expected map[string]string
}
func (step verifyMapInFile) run(test *downwardAPITest) {
doVerifyLinesInFile(test.t, test.volumePath, step.name, fieldpath.FormatMap(step.expected))
}
type verifyMode struct {
stepName
expectedMode int32
}
func (step verifyMode) run(test *downwardAPITest) {
fileInfo, err := os.Stat(path.Join(test.volumePath, step.name))
if err != nil {
test.t.Errorf(err.Error())
return
}
actualMode := fileInfo.Mode()
expectedMode := os.FileMode(step.expectedMode)
if actualMode != expectedMode {
test.t.Errorf("Found mode `%v` expected %v", actualMode, expectedMode)
}
}
type reSetUp struct {
stepName
linkShouldChange bool
newLabels map[string]string
}
func (step reSetUp) run(test *downwardAPITest) {
if step.newLabels != nil {
test.pod.ObjectMeta.Labels = step.newLabels
}
currentTarget, err := os.Readlink(path.Join(test.volumePath, downwardAPIDir))
if err != nil {
test.t.Errorf("labels file should be a link... %s\n", err.Error())
}
// now re-run Setup
if err = test.mounter.SetUp(nil); err != nil {
test.t.Errorf("Failed to re-setup volume: %v", err)
}
// get the link of the link
currentTarget2, err := os.Readlink(path.Join(test.volumePath, downwardAPIDir))
if err != nil {
test.t.Errorf(".current should be a link... %s\n", err.Error())
}
switch {
case step.linkShouldChange && currentTarget2 == currentTarget:
test.t.Errorf("Got and update between the two Setup... Target link should NOT be the same\n")
case !step.linkShouldChange && currentTarget2 != currentTarget:
test.t.Errorf("No update between the two Setup... Target link should be the same %s %s\n",
currentTarget, currentTarget2)
}
}

106
vendor/k8s.io/kubernetes/pkg/volume/empty_dir/BUILD generated vendored
View File

@ -1,106 +0,0 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_library(
name = "go_default_library",
srcs = [
"doc.go",
"empty_dir.go",
] + select({
"@io_bazel_rules_go//go/platform:android": [
"empty_dir_unsupported.go",
],
"@io_bazel_rules_go//go/platform:darwin": [
"empty_dir_unsupported.go",
],
"@io_bazel_rules_go//go/platform:dragonfly": [
"empty_dir_unsupported.go",
],
"@io_bazel_rules_go//go/platform:freebsd": [
"empty_dir_unsupported.go",
],
"@io_bazel_rules_go//go/platform:linux": [
"empty_dir_linux.go",
],
"@io_bazel_rules_go//go/platform:nacl": [
"empty_dir_unsupported.go",
],
"@io_bazel_rules_go//go/platform:netbsd": [
"empty_dir_unsupported.go",
],
"@io_bazel_rules_go//go/platform:openbsd": [
"empty_dir_unsupported.go",
],
"@io_bazel_rules_go//go/platform:plan9": [
"empty_dir_unsupported.go",
],
"@io_bazel_rules_go//go/platform:solaris": [
"empty_dir_unsupported.go",
],
"@io_bazel_rules_go//go/platform:windows": [
"empty_dir_unsupported.go",
],
"//conditions:default": [],
}),
importpath = "k8s.io/kubernetes/pkg/volume/empty_dir",
deps = [
"//pkg/apis/core/v1/helper:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/util/strings:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/util:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/resource:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
] + select({
"@io_bazel_rules_go//go/platform:linux": [
"//vendor/golang.org/x/sys/unix:go_default_library",
],
"//conditions:default": [],
}),
)
go_test(
name = "go_default_test",
srcs = select({
"@io_bazel_rules_go//go/platform:linux": [
"empty_dir_test.go",
],
"//conditions:default": [],
}),
embed = [":go_default_library"],
deps = select({
"@io_bazel_rules_go//go/platform:linux": [
"//pkg/util/mount:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/testing:go_default_library",
"//pkg/volume/util:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/api/resource:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/client-go/util/testing:go_default_library",
],
"//conditions:default": [],
}),
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)

14
vendor/k8s.io/kubernetes/pkg/volume/empty_dir/OWNERS generated vendored
View File

@ -1,14 +0,0 @@
approvers:
- pmorie
- saad-ali
- thockin
- matchstick
reviewers:
- ivan4th
- rata
- sjenning
- saad-ali
- jsafrane
- rootfs
- jingxu97
- msau42

19
vendor/k8s.io/kubernetes/pkg/volume/empty_dir/doc.go generated vendored
View File

@ -1,19 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package empty_dir contains the internal representation of emptyDir
// volumes.
package empty_dir // import "k8s.io/kubernetes/pkg/volume/empty_dir"

432
vendor/k8s.io/kubernetes/pkg/volume/empty_dir/empty_dir.go generated vendored
View File

@ -1,432 +0,0 @@
/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package empty_dir
import (
"fmt"
"os"
"path"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
v1helper "k8s.io/kubernetes/pkg/apis/core/v1/helper"
"k8s.io/kubernetes/pkg/util/mount"
stringsutil "k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
volumeutil "k8s.io/kubernetes/pkg/volume/util"
)
// TODO: in the near future, this will be changed to be more restrictive
// and the group will be set to allow containers to use emptyDir volumes
// from the group attribute.
//
// http://issue.k8s.io/2630
const perm os.FileMode = 0777
// This is the primary entrypoint for volume plugins.
func ProbeVolumePlugins() []volume.VolumePlugin {
return []volume.VolumePlugin{
&emptyDirPlugin{nil},
}
}
type emptyDirPlugin struct {
host volume.VolumeHost
}
var _ volume.VolumePlugin = &emptyDirPlugin{}
const (
emptyDirPluginName = "kubernetes.io/empty-dir"
hugePagesPageSizeMountOption = "pagesize"
)
func getPath(uid types.UID, volName string, host volume.VolumeHost) string {
return host.GetPodVolumeDir(uid, stringsutil.EscapeQualifiedNameForDisk(emptyDirPluginName), volName)
}
func (plugin *emptyDirPlugin) Init(host volume.VolumeHost) error {
plugin.host = host
return nil
}
func (plugin *emptyDirPlugin) GetPluginName() string {
return emptyDirPluginName
}
func (plugin *emptyDirPlugin) GetVolumeName(spec *volume.Spec) (string, error) {
volumeSource, _ := getVolumeSource(spec)
if volumeSource == nil {
return "", fmt.Errorf("Spec does not reference an EmptyDir volume type")
}
// Return user defined volume name, since this is an ephemeral volume type
return spec.Name(), nil
}
func (plugin *emptyDirPlugin) CanSupport(spec *volume.Spec) bool {
if spec.Volume != nil && spec.Volume.EmptyDir != nil {
return true
}
return false
}
func (plugin *emptyDirPlugin) RequiresRemount() bool {
return false
}
func (plugin *emptyDirPlugin) SupportsMountOption() bool {
return false
}
func (plugin *emptyDirPlugin) SupportsBulkVolumeVerification() bool {
return false
}
func (plugin *emptyDirPlugin) NewMounter(spec *volume.Spec, pod *v1.Pod, opts volume.VolumeOptions) (volume.Mounter, error) {
return plugin.newMounterInternal(spec, pod, plugin.host.GetMounter(plugin.GetPluginName()), &realMountDetector{plugin.host.GetMounter(plugin.GetPluginName())}, opts)
}
func (plugin *emptyDirPlugin) newMounterInternal(spec *volume.Spec, pod *v1.Pod, mounter mount.Interface, mountDetector mountDetector, opts volume.VolumeOptions) (volume.Mounter, error) {
medium := v1.StorageMediumDefault
if spec.Volume.EmptyDir != nil { // Support a non-specified source as EmptyDir.
medium = spec.Volume.EmptyDir.Medium
}
return &emptyDir{
pod: pod,
volName: spec.Name(),
medium: medium,
mounter: mounter,
mountDetector: mountDetector,
plugin: plugin,
MetricsProvider: volume.NewMetricsDu(getPath(pod.UID, spec.Name(), plugin.host)),
}, nil
}
func (plugin *emptyDirPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
// Inject real implementations here, test through the internal function.
return plugin.newUnmounterInternal(volName, podUID, plugin.host.GetMounter(plugin.GetPluginName()), &realMountDetector{plugin.host.GetMounter(plugin.GetPluginName())})
}
func (plugin *emptyDirPlugin) newUnmounterInternal(volName string, podUID types.UID, mounter mount.Interface, mountDetector mountDetector) (volume.Unmounter, error) {
ed := &emptyDir{
pod: &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: podUID}},
volName: volName,
medium: v1.StorageMediumDefault, // might be changed later
mounter: mounter,
mountDetector: mountDetector,
plugin: plugin,
MetricsProvider: volume.NewMetricsDu(getPath(podUID, volName, plugin.host)),
}
return ed, nil
}
func (plugin *emptyDirPlugin) ConstructVolumeSpec(volName, mountPath string) (*volume.Spec, error) {
emptyDirVolume := &v1.Volume{
Name: volName,
VolumeSource: v1.VolumeSource{
EmptyDir: &v1.EmptyDirVolumeSource{},
},
}
return volume.NewSpecFromVolume(emptyDirVolume), nil
}
// mountDetector abstracts how to find what kind of mount a path is backed by.
type mountDetector interface {
// GetMountMedium determines what type of medium a given path is backed
// by and whether that path is a mount point. For example, if this
// returns (v1.StorageMediumMemory, false, nil), the caller knows that the path is
// on a memory FS (tmpfs on Linux) but is not the root mountpoint of
// that tmpfs.
GetMountMedium(path string) (v1.StorageMedium, bool, error)
}
// EmptyDir volumes are temporary directories exposed to the pod.
// These do not persist beyond the lifetime of a pod.
type emptyDir struct {
pod *v1.Pod
volName string
medium v1.StorageMedium
mounter mount.Interface
mountDetector mountDetector
plugin *emptyDirPlugin
volume.MetricsProvider
}
func (ed *emptyDir) GetAttributes() volume.Attributes {
return volume.Attributes{
ReadOnly: false,
Managed: true,
SupportsSELinux: true,
}
}
// Checks prior to mount operations to verify that the required components (binaries, etc.)
// to mount the volume are available on the underlying node.
// If not, it returns an error
func (b *emptyDir) CanMount() error {
return nil
}
// SetUp creates new directory.
func (ed *emptyDir) SetUp(fsGroup *int64) error {
return ed.SetUpAt(ed.GetPath(), fsGroup)
}
// SetUpAt creates new directory.
func (ed *emptyDir) SetUpAt(dir string, fsGroup *int64) error {
notMnt, err := ed.mounter.IsLikelyNotMountPoint(dir)
// Getting an os.IsNotExist err from is a contingency; the directory
// may not exist yet, in which case, setup should run.
if err != nil && !os.IsNotExist(err) {
return err
}
// If the plugin readiness file is present for this volume, and the
// storage medium is the default, then the volume is ready. If the
// medium is memory, and a mountpoint is present, then the volume is
// ready.
if volumeutil.IsReady(ed.getMetaDir()) {
if ed.medium == v1.StorageMediumMemory && !notMnt {
return nil
} else if ed.medium == v1.StorageMediumDefault {
return nil
}
}
switch ed.medium {
case v1.StorageMediumDefault:
err = ed.setupDir(dir)
case v1.StorageMediumMemory:
err = ed.setupTmpfs(dir)
case v1.StorageMediumHugePages:
err = ed.setupHugepages(dir)
default:
err = fmt.Errorf("unknown storage medium %q", ed.medium)
}
volume.SetVolumeOwnership(ed, fsGroup)
if err == nil {
volumeutil.SetReady(ed.getMetaDir())
}
return err
}
// setupTmpfs creates a tmpfs mount at the specified directory.
func (ed *emptyDir) setupTmpfs(dir string) error {
if ed.mounter == nil {
return fmt.Errorf("memory storage requested, but mounter is nil")
}
if err := ed.setupDir(dir); err != nil {
return err
}
// Make SetUp idempotent.
medium, isMnt, err := ed.mountDetector.GetMountMedium(dir)
if err != nil {
return err
}
// If the directory is a mountpoint with medium memory, there is no
// work to do since we are already in the desired state.
if isMnt && medium == v1.StorageMediumMemory {
return nil
}
glog.V(3).Infof("pod %v: mounting tmpfs for volume %v", ed.pod.UID, ed.volName)
return ed.mounter.Mount("tmpfs", dir, "tmpfs", nil /* options */)
}
// setupHugepages creates a hugepage mount at the specified directory.
func (ed *emptyDir) setupHugepages(dir string) error {
if ed.mounter == nil {
return fmt.Errorf("memory storage requested, but mounter is nil")
}
if err := ed.setupDir(dir); err != nil {
return err
}
// Make SetUp idempotent.
medium, isMnt, err := ed.mountDetector.GetMountMedium(dir)
if err != nil {
return err
}
// If the directory is a mountpoint with medium hugepages, there is no
// work to do since we are already in the desired state.
if isMnt && medium == v1.StorageMediumHugePages {
return nil
}
pageSizeMountOption, err := getPageSizeMountOptionFromPod(ed.pod)
if err != nil {
return err
}
glog.V(3).Infof("pod %v: mounting hugepages for volume %v", ed.pod.UID, ed.volName)
return ed.mounter.Mount("nodev", dir, "hugetlbfs", []string{pageSizeMountOption})
}
// getPageSizeMountOptionFromPod retrieves pageSize mount option from Pod's resources
// and validates pageSize options in all containers of given Pod.
func getPageSizeMountOptionFromPod(pod *v1.Pod) (string, error) {
pageSizeFound := false
pageSize := resource.Quantity{}
// In some rare cases init containers can also consume Huge pages.
containers := append(pod.Spec.Containers, pod.Spec.InitContainers...)
for _, container := range containers {
// We can take request because limit and requests must match.
for requestName := range container.Resources.Requests {
if v1helper.IsHugePageResourceName(requestName) {
currentPageSize, err := v1helper.HugePageSizeFromResourceName(requestName)
if err != nil {
return "", err
}
// PageSize for all volumes in a POD are equal, except for the first one discovered.
if pageSizeFound && pageSize.Cmp(currentPageSize) != 0 {
return "", fmt.Errorf("multiple pageSizes for huge pages in a single PodSpec")
}
pageSize = currentPageSize
pageSizeFound = true
}
}
}
if !pageSizeFound {
return "", fmt.Errorf("hugePages storage requested, but there is no resource request for huge pages.")
}
return fmt.Sprintf("%s=%s", hugePagesPageSizeMountOption, pageSize.String()), nil
}
// setupDir creates the directory with the default permissions specified by the perm constant.
func (ed *emptyDir) setupDir(dir string) error {
// Create the directory if it doesn't already exist.
if err := os.MkdirAll(dir, perm); err != nil {
return err
}
// stat the directory to read permission bits
fileinfo, err := os.Lstat(dir)
if err != nil {
return err
}
if fileinfo.Mode().Perm() != perm.Perm() {
// If the permissions on the created directory are wrong, the
// kubelet is probably running with a umask set. In order to
// avoid clearing the umask for the entire process or locking
// the thread, clearing the umask, creating the dir, restoring
// the umask, and unlocking the thread, we do a chmod to set
// the specific bits we need.
err := os.Chmod(dir, perm)
if err != nil {
return err
}
fileinfo, err = os.Lstat(dir)
if err != nil {
return err
}
if fileinfo.Mode().Perm() != perm.Perm() {
glog.Errorf("Expected directory %q permissions to be: %s; got: %s", dir, perm.Perm(), fileinfo.Mode().Perm())
}
}
return nil
}
func (ed *emptyDir) GetPath() string {
return getPath(ed.pod.UID, ed.volName, ed.plugin.host)
}
// TearDown simply discards everything in the directory.
func (ed *emptyDir) TearDown() error {
return ed.TearDownAt(ed.GetPath())
}
// TearDownAt simply discards everything in the directory.
func (ed *emptyDir) TearDownAt(dir string) error {
if pathExists, pathErr := volumeutil.PathExists(dir); pathErr != nil {
return fmt.Errorf("Error checking if path exists: %v", pathErr)
} else if !pathExists {
glog.Warningf("Warning: Unmount skipped because path does not exist: %v", dir)
return nil
}
// Figure out the medium.
medium, isMnt, err := ed.mountDetector.GetMountMedium(dir)
if err != nil {
return err
}
if isMnt {
if medium == v1.StorageMediumMemory {
ed.medium = v1.StorageMediumMemory
return ed.teardownTmpfsOrHugetlbfs(dir)
} else if medium == v1.StorageMediumHugePages {
ed.medium = v1.StorageMediumHugePages
return ed.teardownTmpfsOrHugetlbfs(dir)
}
}
// assume StorageMediumDefault
return ed.teardownDefault(dir)
}
func (ed *emptyDir) teardownDefault(dir string) error {
// Renaming the directory is not required anymore because the operation executor
// now handles duplicate operations on the same volume
err := os.RemoveAll(dir)
if err != nil {
return err
}
return nil
}
func (ed *emptyDir) teardownTmpfsOrHugetlbfs(dir string) error {
if ed.mounter == nil {
return fmt.Errorf("memory storage requested, but mounter is nil")
}
if err := ed.mounter.Unmount(dir); err != nil {
return err
}
if err := os.RemoveAll(dir); err != nil {
return err
}
return nil
}
func (ed *emptyDir) getMetaDir() string {
return path.Join(ed.plugin.host.GetPodPluginDir(ed.pod.UID, stringsutil.EscapeQualifiedNameForDisk(emptyDirPluginName)), ed.volName)
}
func getVolumeSource(spec *volume.Spec) (*v1.EmptyDirVolumeSource, bool) {
var readOnly bool
var volumeSource *v1.EmptyDirVolumeSource
if spec.Volume != nil && spec.Volume.EmptyDir != nil {
volumeSource = spec.Volume.EmptyDir
readOnly = spec.ReadOnly
}
return volumeSource, readOnly
}

60
vendor/k8s.io/kubernetes/pkg/volume/empty_dir/empty_dir_linux.go generated vendored
View File

@ -1,60 +0,0 @@
// +build linux
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package empty_dir
import (
"fmt"
"github.com/golang/glog"
"golang.org/x/sys/unix"
"k8s.io/api/core/v1"
"k8s.io/kubernetes/pkg/util/mount"
)
// Defined by Linux - the type number for tmpfs mounts.
const (
linuxTmpfsMagic = 0x01021994
linuxHugetlbfsMagic = 0x958458f6
)
// realMountDetector implements mountDetector in terms of syscalls.
type realMountDetector struct {
mounter mount.Interface
}
func (m *realMountDetector) GetMountMedium(path string) (v1.StorageMedium, bool, error) {
glog.V(5).Infof("Determining mount medium of %v", path)
notMnt, err := m.mounter.IsLikelyNotMountPoint(path)
if err != nil {
return v1.StorageMediumDefault, false, fmt.Errorf("IsLikelyNotMountPoint(%q): %v", path, err)
}
buf := unix.Statfs_t{}
if err := unix.Statfs(path, &buf); err != nil {
return v1.StorageMediumDefault, false, fmt.Errorf("statfs(%q): %v", path, err)
}
glog.V(5).Infof("Statfs_t of %v: %+v", path, buf)
if buf.Type == linuxTmpfsMagic {
return v1.StorageMediumMemory, !notMnt, nil
} else if int64(buf.Type) == linuxHugetlbfsMagic {
return v1.StorageMediumHugePages, !notMnt, nil
}
return v1.StorageMediumDefault, !notMnt, nil
}

441
vendor/k8s.io/kubernetes/pkg/volume/empty_dir/empty_dir_test.go generated vendored
View File

@ -1,441 +0,0 @@
// +build linux
/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package empty_dir
import (
"os"
"path"
"testing"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
"k8s.io/kubernetes/pkg/volume/util"
)
// Construct an instance of a plugin, by name.
func makePluginUnderTest(t *testing.T, plugName, basePath string) volume.VolumePlugin {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(basePath, nil, nil))
plug, err := plugMgr.FindPluginByName(plugName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
return plug
}
func TestCanSupport(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("emptydirTest")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plug := makePluginUnderTest(t, "kubernetes.io/empty-dir", tmpDir)
if plug.GetPluginName() != "kubernetes.io/empty-dir" {
t.Errorf("Wrong name: %s", plug.GetPluginName())
}
if !plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{}}}}) {
t.Errorf("Expected true")
}
if plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{}}}) {
t.Errorf("Expected false")
}
}
type fakeMountDetector struct {
medium v1.StorageMedium
isMount bool
}
func (fake *fakeMountDetector) GetMountMedium(path string) (v1.StorageMedium, bool, error) {
return fake.medium, fake.isMount, nil
}
func TestPluginEmptyRootContext(t *testing.T) {
doTestPlugin(t, pluginTestConfig{
medium: v1.StorageMediumDefault,
expectedSetupMounts: 0,
expectedTeardownMounts: 0})
}
func TestPluginHugetlbfs(t *testing.T) {
doTestPlugin(t, pluginTestConfig{
medium: v1.StorageMediumHugePages,
expectedSetupMounts: 1,
expectedTeardownMounts: 0,
shouldBeMountedBeforeTeardown: true,
})
}
type pluginTestConfig struct {
medium v1.StorageMedium
idempotent bool
expectedSetupMounts int
shouldBeMountedBeforeTeardown bool
expectedTeardownMounts int
}
// doTestPlugin sets up a volume and tears it back down.
func doTestPlugin(t *testing.T, config pluginTestConfig) {
basePath, err := utiltesting.MkTmpdir("emptydir_volume_test")
if err != nil {
t.Fatalf("can't make a temp rootdir: %v", err)
}
defer os.RemoveAll(basePath)
var (
volumePath = path.Join(basePath, "pods/poduid/volumes/kubernetes.io~empty-dir/test-volume")
metadataDir = path.Join(basePath, "pods/poduid/plugins/kubernetes.io~empty-dir/test-volume")
plug = makePluginUnderTest(t, "kubernetes.io/empty-dir", basePath)
volumeName = "test-volume"
spec = &v1.Volume{
Name: volumeName,
VolumeSource: v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{Medium: config.medium}},
}
physicalMounter = mount.FakeMounter{}
mountDetector = fakeMountDetector{}
pod = &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
UID: types.UID("poduid"),
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceName("hugepages-2Mi"): resource.MustParse("100Mi"),
},
},
},
},
},
}
)
if config.idempotent {
physicalMounter.MountPoints = []mount.MountPoint{
{
Path: volumePath,
},
}
util.SetReady(metadataDir)
}
mounter, err := plug.(*emptyDirPlugin).newMounterInternal(volume.NewSpecFromVolume(spec),
pod,
&physicalMounter,
&mountDetector,
volume.VolumeOptions{})
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Errorf("Got a nil Mounter")
}
volPath := mounter.GetPath()
if volPath != volumePath {
t.Errorf("Got unexpected path: %s", volPath)
}
if err := mounter.SetUp(nil); err != nil {
t.Errorf("Expected success, got: %v", err)
}
// Stat the directory and check the permission bits
fileinfo, err := os.Stat(volPath)
if !config.idempotent {
if err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", volPath)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
if e, a := perm, fileinfo.Mode().Perm(); e != a {
t.Errorf("Unexpected file mode for %v: expected: %v, got: %v", volPath, e, a)
}
} else if err == nil {
// If this test is for idempotency and we were able
// to stat the volume path, it's an error.
t.Errorf("Volume directory was created unexpectedly")
}
// Check the number of mounts performed during setup
if e, a := config.expectedSetupMounts, len(physicalMounter.Log); e != a {
t.Errorf("Expected %v physicalMounter calls during setup, got %v", e, a)
} else if config.expectedSetupMounts == 1 &&
(physicalMounter.Log[0].Action != mount.FakeActionMount || (physicalMounter.Log[0].FSType != "tmpfs" && physicalMounter.Log[0].FSType != "hugetlbfs")) {
t.Errorf("Unexpected physicalMounter action during setup: %#v", physicalMounter.Log[0])
}
physicalMounter.ResetLog()
// Make an unmounter for the volume
teardownMedium := v1.StorageMediumDefault
if config.medium == v1.StorageMediumMemory {
teardownMedium = v1.StorageMediumMemory
}
unmounterMountDetector := &fakeMountDetector{medium: teardownMedium, isMount: config.shouldBeMountedBeforeTeardown}
unmounter, err := plug.(*emptyDirPlugin).newUnmounterInternal(volumeName, types.UID("poduid"), &physicalMounter, unmounterMountDetector)
if err != nil {
t.Errorf("Failed to make a new Unmounter: %v", err)
}
if unmounter == nil {
t.Errorf("Got a nil Unmounter")
}
// Tear down the volume
if err := unmounter.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(volPath); err == nil {
t.Errorf("TearDown() failed, volume path still exists: %s", volPath)
} else if !os.IsNotExist(err) {
t.Errorf("TearDown() failed: %v", err)
}
// Check the number of physicalMounter calls during tardown
if e, a := config.expectedTeardownMounts, len(physicalMounter.Log); e != a {
t.Errorf("Expected %v physicalMounter calls during teardown, got %v", e, a)
} else if config.expectedTeardownMounts == 1 && physicalMounter.Log[0].Action != mount.FakeActionUnmount {
t.Errorf("Unexpected physicalMounter action during teardown: %#v", physicalMounter.Log[0])
}
physicalMounter.ResetLog()
}
func TestPluginBackCompat(t *testing.T) {
basePath, err := utiltesting.MkTmpdir("emptydirTest")
if err != nil {
t.Fatalf("can't make a temp dir： %v", err)
}
defer os.RemoveAll(basePath)
plug := makePluginUnderTest(t, "kubernetes.io/empty-dir", basePath)
spec := &v1.Volume{
Name: "vol1",
}
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
mounter, err := plug.NewMounter(volume.NewSpecFromVolume(spec), pod, volume.VolumeOptions{})
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Fatalf("Got a nil Mounter")
}
volPath := mounter.GetPath()
if volPath != path.Join(basePath, "pods/poduid/volumes/kubernetes.io~empty-dir/vol1") {
t.Errorf("Got unexpected path: %s", volPath)
}
}
// TestMetrics tests that MetricProvider methods return sane values.
func TestMetrics(t *testing.T) {
// Create an empty temp directory for the volume
tmpDir, err := utiltesting.MkTmpdir("empty_dir_test")
if err != nil {
t.Fatalf("Can't make a tmp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plug := makePluginUnderTest(t, "kubernetes.io/empty-dir", tmpDir)
spec := &v1.Volume{
Name: "vol1",
}
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
mounter, err := plug.NewMounter(volume.NewSpecFromVolume(spec), pod, volume.VolumeOptions{})
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Fatalf("Got a nil Mounter")
}
// Need to create the subdirectory
os.MkdirAll(mounter.GetPath(), 0755)
expectedEmptyDirUsage, err := volumetest.FindEmptyDirectoryUsageOnTmpfs()
if err != nil {
t.Errorf("Unexpected error finding expected empty directory usage on tmpfs: %v", err)
}
// TODO(pwittroc): Move this into a reusable testing utility
metrics, err := mounter.GetMetrics()
if err != nil {
t.Errorf("Unexpected error when calling GetMetrics %v", err)
}
if e, a := expectedEmptyDirUsage.Value(), metrics.Used.Value(); e != a {
t.Errorf("Unexpected value for empty directory; expected %v, got %v", e, a)
}
if metrics.Capacity.Value() <= 0 {
t.Errorf("Expected Capacity to be greater than 0")
}
if metrics.Available.Value() <= 0 {
t.Errorf("Expected Available to be greater than 0")
}
}
func TestGetHugePagesMountOptions(t *testing.T) {
testCases := map[string]struct {
pod *v1.Pod
shouldFail bool
expectedResult string
}{
"testWithProperValues": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceName("hugepages-2Mi"): resource.MustParse("100Mi"),
},
},
},
},
},
},
shouldFail: false,
expectedResult: "pagesize=2Mi",
},
"testWithProperValuesAndDifferentPageSize": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceName("hugepages-1Gi"): resource.MustParse("2Gi"),
},
},
},
{
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceName("hugepages-1Gi"): resource.MustParse("4Gi"),
},
},
},
},
},
},
shouldFail: false,
expectedResult: "pagesize=1Gi",
},
"InitContainerAndContainerHasProperValues": {
pod: &v1.Pod{
Spec: v1.PodSpec{
InitContainers: []v1.Container{
{
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceName("hugepages-1Gi"): resource.MustParse("2Gi"),
},
},
},
{
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceName("hugepages-1Gi"): resource.MustParse("4Gi"),
},
},
},
},
},
},
shouldFail: false,
expectedResult: "pagesize=1Gi",
},
"InitContainerAndContainerHasDifferentPageSizes": {
pod: &v1.Pod{
Spec: v1.PodSpec{
InitContainers: []v1.Container{
{
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceName("hugepages-2Mi"): resource.MustParse("2Gi"),
},
},
},
{
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceName("hugepages-1Gi"): resource.MustParse("4Gi"),
},
},
},
},
},
},
shouldFail: true,
expectedResult: "",
},
"ContainersWithMultiplePageSizes": {
pod: &v1.Pod{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceName("hugepages-1Gi"): resource.MustParse("2Gi"),
},
},
},
{
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceName("hugepages-2Mi"): resource.MustParse("100Mi"),
},
},
},
},
},
},
shouldFail: true,
expectedResult: "",
},
"PodWithNoHugePagesRequest": {
pod: &v1.Pod{},
shouldFail: true,
expectedResult: "",
},
}
for testCaseName, testCase := range testCases {
value, err := getPageSizeMountOptionFromPod(testCase.pod)
if testCase.shouldFail && err == nil {
t.Errorf("Expected an error in %v", testCaseName)
} else if !testCase.shouldFail && err != nil {
t.Errorf("Unexpected error in %v, got %v", testCaseName, err)
} else if testCase.expectedResult != value {
t.Errorf("Unexpected mountOptions for Pod. Expected %v, got %v", testCase.expectedResult, value)
}
}
}

33
vendor/k8s.io/kubernetes/pkg/volume/empty_dir/empty_dir_unsupported.go generated vendored
View File

@ -1,33 +0,0 @@
// +build !linux
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package empty_dir
import (
"k8s.io/api/core/v1"
"k8s.io/kubernetes/pkg/util/mount"
)
// realMountDetector pretends to implement mediumer.
type realMountDetector struct {
mounter mount.Interface
}
func (m *realMountDetector) GetMountMedium(path string) (v1.StorageMedium, bool, error) {
return v1.StorageMediumDefault, false, nil
}

65
vendor/k8s.io/kubernetes/pkg/volume/fc/BUILD generated vendored
View File

@ -1,65 +0,0 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_library(
name = "go_default_library",
srcs = [
"attacher.go",
"disk_manager.go",
"doc.go",
"fc.go",
"fc_util.go",
],
importpath = "k8s.io/kubernetes/pkg/volume/fc",
deps = [
"//pkg/features:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/util/strings:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/util:go_default_library",
"//pkg/volume/util/volumepathhandler:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/apiserver/pkg/util/feature:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = [
"fc_test.go",
"fc_util_test.go",
],
embed = [":go_default_library"],
deps = [
"//pkg/util/mount:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/testing:go_default_library",
"//pkg/volume/util:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/client-go/kubernetes/fake:go_default_library",
"//vendor/k8s.io/client-go/util/testing:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)

10
vendor/k8s.io/kubernetes/pkg/volume/fc/OWNERS generated vendored
View File

@ -1,10 +0,0 @@
approvers:
- rootfs
- saad-ali
reviewers:
- saad-ali
- jsafrane
- rootfs
- jingxu97
- msau42
- mtanino

222
vendor/k8s.io/kubernetes/pkg/volume/fc/attacher.go generated vendored
View File

@ -1,222 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package fc
import (
"fmt"
"os"
"strconv"
"strings"
"time"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
volumeutil "k8s.io/kubernetes/pkg/volume/util"
)
type fcAttacher struct {
host volume.VolumeHost
manager diskManager
}
var _ volume.Attacher = &fcAttacher{}
var _ volume.AttachableVolumePlugin = &fcPlugin{}
func (plugin *fcPlugin) NewAttacher() (volume.Attacher, error) {
return &fcAttacher{
host: plugin.host,
manager: &FCUtil{},
}, nil
}
func (plugin *fcPlugin) GetDeviceMountRefs(deviceMountPath string) ([]string, error) {
mounter := plugin.host.GetMounter(plugin.GetPluginName())
return mount.GetMountRefs(mounter, deviceMountPath)
}
func (attacher *fcAttacher) Attach(spec *volume.Spec, nodeName types.NodeName) (string, error) {
return "", nil
}
func (attacher *fcAttacher) VolumesAreAttached(specs []*volume.Spec, nodeName types.NodeName) (map[*volume.Spec]bool, error) {
volumesAttachedCheck := make(map[*volume.Spec]bool)
for _, spec := range specs {
volumesAttachedCheck[spec] = true
}
return volumesAttachedCheck, nil
}
func (attacher *fcAttacher) WaitForAttach(spec *volume.Spec, devicePath string, _ *v1.Pod, timeout time.Duration) (string, error) {
mounter, err := volumeSpecToMounter(spec, attacher.host)
if err != nil {
glog.Warningf("failed to get fc mounter: %v", err)
return "", err
}
return attacher.manager.AttachDisk(*mounter)
}
func (attacher *fcAttacher) GetDeviceMountPath(
spec *volume.Spec) (string, error) {
mounter, err := volumeSpecToMounter(spec, attacher.host)
if err != nil {
glog.Warningf("failed to get fc mounter: %v", err)
return "", err
}
return attacher.manager.MakeGlobalPDName(*mounter.fcDisk), nil
}
func (attacher *fcAttacher) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string) error {
mounter := attacher.host.GetMounter(fcPluginName)
notMnt, err := mounter.IsLikelyNotMountPoint(deviceMountPath)
if err != nil {
if os.IsNotExist(err) {
if err := os.MkdirAll(deviceMountPath, 0750); err != nil {
return err
}
notMnt = true
} else {
return err
}
}
volumeSource, readOnly, err := getVolumeSource(spec)
if err != nil {
return err
}
options := []string{}
if readOnly {
options = append(options, "ro")
}
if notMnt {
diskMounter := &mount.SafeFormatAndMount{Interface: mounter, Exec: attacher.host.GetExec(fcPluginName)}
mountOptions := volumeutil.MountOptionFromSpec(spec, options...)
err = diskMounter.FormatAndMount(devicePath, deviceMountPath, volumeSource.FSType, mountOptions)
if err != nil {
os.Remove(deviceMountPath)
return err
}
}
return nil
}
type fcDetacher struct {
mounter mount.Interface
manager diskManager
}
var _ volume.Detacher = &fcDetacher{}
func (plugin *fcPlugin) NewDetacher() (volume.Detacher, error) {
return &fcDetacher{
mounter: plugin.host.GetMounter(plugin.GetPluginName()),
manager: &FCUtil{},
}, nil
}
func (detacher *fcDetacher) Detach(volumeName string, nodeName types.NodeName) error {
return nil
}
func (detacher *fcDetacher) UnmountDevice(deviceMountPath string) error {
// Specify device name for DetachDisk later
devName, _, err := mount.GetDeviceNameFromMount(detacher.mounter, deviceMountPath)
if err != nil {
glog.Errorf("fc: failed to get device from mnt: %s\nError: %v", deviceMountPath, err)
return err
}
// Unmount for deviceMountPath(=globalPDPath)
err = volumeutil.UnmountPath(deviceMountPath, detacher.mounter)
if err != nil {
return fmt.Errorf("fc: failed to unmount: %s\nError: %v", deviceMountPath, err)
}
unMounter := volumeSpecToUnmounter(detacher.mounter)
err = detacher.manager.DetachDisk(*unMounter, devName)
if err != nil {
return fmt.Errorf("fc: failed to detach disk: %s\nError: %v", devName, err)
}
glog.V(4).Infof("fc: successfully detached disk: %s", devName)
return nil
}
func volumeSpecToMounter(spec *volume.Spec, host volume.VolumeHost) (*fcDiskMounter, error) {
fc, readOnly, err := getVolumeSource(spec)
if err != nil {
return nil, err
}
var lun string
var wwids []string
if fc.Lun != nil && len(fc.TargetWWNs) != 0 {
lun = strconv.Itoa(int(*fc.Lun))
} else if len(fc.WWIDs) != 0 {
for _, wwid := range fc.WWIDs {
wwids = append(wwids, strings.Replace(wwid, " ", "_", -1))
}
} else {
return nil, fmt.Errorf("fc: no fc disk information found. failed to make a new mounter")
}
fcDisk := &fcDisk{
plugin: &fcPlugin{
host: host,
},
wwns: fc.TargetWWNs,
lun: lun,
wwids: wwids,
io: &osIOHandler{},
}
// TODO: remove feature gate check after no longer needed
if utilfeature.DefaultFeatureGate.Enabled(features.BlockVolume) {
volumeMode, err := volumeutil.GetVolumeMode(spec)
if err != nil {
return nil, err
}
glog.V(5).Infof("fc: volumeSpecToMounter volumeMode %s", volumeMode)
return &fcDiskMounter{
fcDisk: fcDisk,
fsType: fc.FSType,
volumeMode: volumeMode,
readOnly: readOnly,
mounter: volumeutil.NewSafeFormatAndMountFromHost(fcPluginName, host),
deviceUtil: volumeutil.NewDeviceHandler(volumeutil.NewIOHandler()),
}, nil
}
return &fcDiskMounter{
fcDisk: fcDisk,
fsType: fc.FSType,
readOnly: readOnly,
mounter: volumeutil.NewSafeFormatAndMountFromHost(fcPluginName, host),
deviceUtil: volumeutil.NewDeviceHandler(volumeutil.NewIOHandler()),
}, nil
}
func volumeSpecToUnmounter(mounter mount.Interface) *fcDiskUnmounter {
return &fcDiskUnmounter{
fcDisk: &fcDisk{
io: &osIOHandler{},
},
mounter: mounter,
deviceUtil: volumeutil.NewDeviceHandler(volumeutil.NewIOHandler()),
}
}

94
vendor/k8s.io/kubernetes/pkg/volume/fc/disk_manager.go generated vendored
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@ -1,94 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package fc
import (
"os"
"github.com/golang/glog"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
)
// Abstract interface to disk operations.
type diskManager interface {
MakeGlobalPDName(disk fcDisk) string
MakeGlobalVDPDName(disk fcDisk) string
// Attaches the disk to the kubelet's host machine.
AttachDisk(b fcDiskMounter) (string, error)
// Detaches the disk from the kubelet's host machine.
DetachDisk(disk fcDiskUnmounter, devicePath string) error
// Detaches the block disk from the kubelet's host machine.
DetachBlockFCDisk(disk fcDiskUnmapper, mntPath, devicePath string) error
}
// utility to mount a disk based filesystem
func diskSetUp(manager diskManager, b fcDiskMounter, volPath string, mounter mount.Interface, fsGroup *int64) error {
globalPDPath := manager.MakeGlobalPDName(*b.fcDisk)
noMnt, err := mounter.IsLikelyNotMountPoint(volPath)
if err != nil && !os.IsNotExist(err) {
glog.Errorf("cannot validate mountpoint: %s", volPath)
return err
}
if !noMnt {
return nil
}
if err := os.MkdirAll(volPath, 0750); err != nil {
glog.Errorf("failed to mkdir:%s", volPath)
return err
}
// Perform a bind mount to the full path to allow duplicate mounts of the same disk.
options := []string{"bind"}
if b.readOnly {
options = append(options, "ro")
}
err = mounter.Mount(globalPDPath, volPath, "", options)
if err != nil {
glog.Errorf("Failed to bind mount: source:%s, target:%s, err:%v", globalPDPath, volPath, err)
noMnt, mntErr := b.mounter.IsLikelyNotMountPoint(volPath)
if mntErr != nil {
glog.Errorf("IsLikelyNotMountPoint check failed: %v", mntErr)
return err
}
if !noMnt {
if mntErr = b.mounter.Unmount(volPath); mntErr != nil {
glog.Errorf("Failed to unmount: %v", mntErr)
return err
}
noMnt, mntErr = b.mounter.IsLikelyNotMountPoint(volPath)
if mntErr != nil {
glog.Errorf("IsLikelyNotMountPoint check failed: %v", mntErr)
return err
}
if !noMnt {
// will most likely retry on next sync loop.
glog.Errorf("%s is still mounted, despite call to unmount(). Will try again next sync loop.", volPath)
return err
}
}
os.Remove(volPath)
return err
}
if !b.readOnly {
volume.SetVolumeOwnership(&b, fsGroup)
}
return nil
}

19
vendor/k8s.io/kubernetes/pkg/volume/fc/doc.go generated vendored
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@ -1,19 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package fc contains the internal representation of
// Fibre Channel (fc) volumes.
package fc // import "k8s.io/kubernetes/pkg/volume/fc"

526
vendor/k8s.io/kubernetes/pkg/volume/fc/fc.go generated vendored
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@ -1,526 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package fc
import (
"fmt"
"os"
"strconv"
"strings"
"github.com/golang/glog"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/util/mount"
utilstrings "k8s.io/kubernetes/pkg/util/strings"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
"k8s.io/kubernetes/pkg/volume/util/volumepathhandler"
)
// This is the primary entrypoint for volume plugins.
func ProbeVolumePlugins() []volume.VolumePlugin {
return []volume.VolumePlugin{&fcPlugin{nil}}
}
type fcPlugin struct {
host volume.VolumeHost
}
var _ volume.VolumePlugin = &fcPlugin{}
var _ volume.PersistentVolumePlugin = &fcPlugin{}
var _ volume.BlockVolumePlugin = &fcPlugin{}
const (
fcPluginName = "kubernetes.io/fc"
)
func (plugin *fcPlugin) Init(host volume.VolumeHost) error {
plugin.host = host
return nil
}
func (plugin *fcPlugin) GetPluginName() string {
return fcPluginName
}
func (plugin *fcPlugin) GetVolumeName(spec *volume.Spec) (string, error) {
volumeSource, _, err := getVolumeSource(spec)
if err != nil {
return "", err
}
// API server validates these parameters beforehand but attach/detach
// controller creates volumespec without validation. They may be nil
// or zero length. We should check again to avoid unexpected conditions.
if len(volumeSource.TargetWWNs) != 0 && volumeSource.Lun != nil {
// TargetWWNs are the FibreChannel target worldwide names
return fmt.Sprintf("%v:%v", volumeSource.TargetWWNs, *volumeSource.Lun), nil
} else if len(volumeSource.WWIDs) != 0 {
// WWIDs are the FibreChannel World Wide Identifiers
return fmt.Sprintf("%v", volumeSource.WWIDs), nil
}
return "", err
}
func (plugin *fcPlugin) CanSupport(spec *volume.Spec) bool {
return (spec.Volume != nil && spec.Volume.FC != nil) || (spec.PersistentVolume != nil && spec.PersistentVolume.Spec.FC != nil)
}
func (plugin *fcPlugin) RequiresRemount() bool {
return false
}
func (plugin *fcPlugin) SupportsMountOption() bool {
return false
}
func (plugin *fcPlugin) SupportsBulkVolumeVerification() bool {
return false
}
func (plugin *fcPlugin) GetAccessModes() []v1.PersistentVolumeAccessMode {
return []v1.PersistentVolumeAccessMode{
v1.ReadWriteOnce,
v1.ReadOnlyMany,
}
}
func (plugin *fcPlugin) NewMounter(spec *volume.Spec, pod *v1.Pod, _ volume.VolumeOptions) (volume.Mounter, error) {
// Inject real implementations here, test through the internal function.
return plugin.newMounterInternal(spec, pod.UID, &FCUtil{}, plugin.host.GetMounter(plugin.GetPluginName()), plugin.host.GetExec(plugin.GetPluginName()))
}
func (plugin *fcPlugin) newMounterInternal(spec *volume.Spec, podUID types.UID, manager diskManager, mounter mount.Interface, exec mount.Exec) (volume.Mounter, error) {
// fc volumes used directly in a pod have a ReadOnly flag set by the pod author.
// fc volumes used as a PersistentVolume gets the ReadOnly flag indirectly through the persistent-claim volume used to mount the PV
fc, readOnly, err := getVolumeSource(spec)
if err != nil {
return nil, err
}
wwns, lun, wwids, err := getWwnsLunWwids(fc)
if err != nil {
return nil, fmt.Errorf("fc: no fc disk information found. failed to make a new mounter")
}
fcDisk := &fcDisk{
podUID: podUID,
volName: spec.Name(),
wwns: wwns,
lun: lun,
wwids: wwids,
manager: manager,
io: &osIOHandler{},
plugin: plugin,
}
// TODO: remove feature gate check after no longer needed
if utilfeature.DefaultFeatureGate.Enabled(features.BlockVolume) {
volumeMode, err := util.GetVolumeMode(spec)
if err != nil {
return nil, err
}
glog.V(5).Infof("fc: newMounterInternal volumeMode %s", volumeMode)
return &fcDiskMounter{
fcDisk: fcDisk,
fsType: fc.FSType,
volumeMode: volumeMode,
readOnly: readOnly,
mounter: &mount.SafeFormatAndMount{Interface: mounter, Exec: exec},
deviceUtil: util.NewDeviceHandler(util.NewIOHandler()),
}, nil
}
return &fcDiskMounter{
fcDisk: fcDisk,
fsType: fc.FSType,
readOnly: readOnly,
mounter: &mount.SafeFormatAndMount{Interface: mounter, Exec: exec},
deviceUtil: util.NewDeviceHandler(util.NewIOHandler()),
}, nil
}
func (plugin *fcPlugin) NewBlockVolumeMapper(spec *volume.Spec, pod *v1.Pod, _ volume.VolumeOptions) (volume.BlockVolumeMapper, error) {
// If this called via GenerateUnmapDeviceFunc(), pod is nil.
// Pass empty string as dummy uid since uid isn't used in the case.
var uid types.UID
if pod != nil {
uid = pod.UID
}
return plugin.newBlockVolumeMapperInternal(spec, uid, &FCUtil{}, plugin.host.GetMounter(plugin.GetPluginName()), plugin.host.GetExec(plugin.GetPluginName()))
}
func (plugin *fcPlugin) newBlockVolumeMapperInternal(spec *volume.Spec, podUID types.UID, manager diskManager, mounter mount.Interface, exec mount.Exec) (volume.BlockVolumeMapper, error) {
fc, readOnly, err := getVolumeSource(spec)
if err != nil {
return nil, err
}
wwns, lun, wwids, err := getWwnsLunWwids(fc)
if err != nil {
return nil, fmt.Errorf("fc: no fc disk information found. failed to make a new mapper")
}
return &fcDiskMapper{
fcDisk: &fcDisk{
podUID: podUID,
volName: spec.Name(),
wwns: wwns,
lun: lun,
wwids: wwids,
manager: manager,
io: &osIOHandler{},
plugin: plugin},
readOnly: readOnly,
mounter: &mount.SafeFormatAndMount{Interface: mounter, Exec: exec},
deviceUtil: util.NewDeviceHandler(util.NewIOHandler()),
}, nil
}
func (plugin *fcPlugin) NewUnmounter(volName string, podUID types.UID) (volume.Unmounter, error) {
// Inject real implementations here, test through the internal function.
return plugin.newUnmounterInternal(volName, podUID, &FCUtil{}, plugin.host.GetMounter(plugin.GetPluginName()))
}
func (plugin *fcPlugin) newUnmounterInternal(volName string, podUID types.UID, manager diskManager, mounter mount.Interface) (volume.Unmounter, error) {
return &fcDiskUnmounter{
fcDisk: &fcDisk{
podUID: podUID,
volName: volName,
manager: manager,
plugin: plugin,
io: &osIOHandler{},
},
mounter: mounter,
deviceUtil: util.NewDeviceHandler(util.NewIOHandler()),
}, nil
}
func (plugin *fcPlugin) NewBlockVolumeUnmapper(volName string, podUID types.UID) (volume.BlockVolumeUnmapper, error) {
return plugin.newUnmapperInternal(volName, podUID, &FCUtil{})
}
func (plugin *fcPlugin) newUnmapperInternal(volName string, podUID types.UID, manager diskManager) (volume.BlockVolumeUnmapper, error) {
return &fcDiskUnmapper{
fcDisk: &fcDisk{
podUID: podUID,
volName: volName,
manager: manager,
plugin: plugin,
io: &osIOHandler{},
},
deviceUtil: util.NewDeviceHandler(util.NewIOHandler()),
}, nil
}
func (plugin *fcPlugin) ConstructVolumeSpec(volumeName, mountPath string) (*volume.Spec, error) {
// Find globalPDPath from pod volume directory(mountPath)
// examples:
// mountPath: pods/{podUid}/volumes/kubernetes.io~fc/{volumeName}
// globalPDPath : plugins/kubernetes.io/fc/50060e801049cfd1-lun-0
var globalPDPath string
mounter := plugin.host.GetMounter(plugin.GetPluginName())
paths, err := mount.GetMountRefs(mounter, mountPath)
if err != nil {
return nil, err
}
for _, path := range paths {
if strings.Contains(path, plugin.host.GetPluginDir(fcPluginName)) {
globalPDPath = path
break
}
}
// Couldn't fetch globalPDPath
if len(globalPDPath) == 0 {
return nil, fmt.Errorf("couldn't fetch globalPDPath. failed to obtain volume spec")
}
arr := strings.Split(globalPDPath, "/")
if len(arr) < 1 {
return nil, fmt.Errorf("failed to retrieve volume plugin information from globalPDPath: %v", globalPDPath)
}
volumeInfo := arr[len(arr)-1]
// Create volume from wwn+lun or wwid
var fcVolume *v1.Volume
if strings.Contains(volumeInfo, "-lun-") {
wwnLun := strings.Split(volumeInfo, "-lun-")
if len(wwnLun) < 2 {
return nil, fmt.Errorf("failed to retrieve TargetWWN and Lun. volumeInfo is invalid: %v", volumeInfo)
}
lun, err := strconv.Atoi(wwnLun[1])
if err != nil {
return nil, err
}
lun32 := int32(lun)
fcVolume = &v1.Volume{
Name: volumeName,
VolumeSource: v1.VolumeSource{
FC: &v1.FCVolumeSource{TargetWWNs: []string{wwnLun[0]}, Lun: &lun32},
},
}
glog.V(5).Infof("ConstructVolumeSpec: TargetWWNs: %v, Lun: %v",
fcVolume.VolumeSource.FC.TargetWWNs, *fcVolume.VolumeSource.FC.Lun)
} else {
fcVolume = &v1.Volume{
Name: volumeName,
VolumeSource: v1.VolumeSource{
FC: &v1.FCVolumeSource{WWIDs: []string{volumeInfo}},
},
}
glog.V(5).Infof("ConstructVolumeSpec: WWIDs: %v", fcVolume.VolumeSource.FC.WWIDs)
}
return volume.NewSpecFromVolume(fcVolume), nil
}
// ConstructBlockVolumeSpec creates a new volume.Spec with following steps.
// - Searches a file whose name is {pod uuid} under volume plugin directory.
// - If a file is found, then retreives volumePluginDependentPath from globalMapPathUUID.
// - Once volumePluginDependentPath is obtained, store volume information to VolumeSource
// examples:
// mapPath: pods/{podUid}/{DefaultKubeletVolumeDevicesDirName}/{escapeQualifiedPluginName}/{volumeName}
// globalMapPathUUID : plugins/kubernetes.io/{PluginName}/{DefaultKubeletVolumeDevicesDirName}/{volumePluginDependentPath}/{pod uuid}
func (plugin *fcPlugin) ConstructBlockVolumeSpec(podUID types.UID, volumeName, mapPath string) (*volume.Spec, error) {
pluginDir := plugin.host.GetVolumeDevicePluginDir(fcPluginName)
blkutil := volumepathhandler.NewBlockVolumePathHandler()
globalMapPathUUID, err := blkutil.FindGlobalMapPathUUIDFromPod(pluginDir, mapPath, podUID)
if err != nil {
return nil, err
}
glog.V(5).Infof("globalMapPathUUID: %v, err: %v", globalMapPathUUID, err)
// Retrieve volumePluginDependentPath from globalMapPathUUID
// globalMapPathUUID examples:
// wwn+lun: plugins/kubernetes.io/fc/volumeDevices/50060e801049cfd1-lun-0/{pod uuid}
// wwid: plugins/kubernetes.io/fc/volumeDevices/3600508b400105e210000900000490000/{pod uuid}
arr := strings.Split(globalMapPathUUID, "/")
if len(arr) < 2 {
return nil, fmt.Errorf("Fail to retrieve volume plugin information from globalMapPathUUID: %v", globalMapPathUUID)
}
l := len(arr) - 2
volumeInfo := arr[l]
// Create volume from wwn+lun or wwid
var fcPV *v1.PersistentVolume
if strings.Contains(volumeInfo, "-lun-") {
wwnLun := strings.Split(volumeInfo, "-lun-")
lun, err := strconv.Atoi(wwnLun[1])
if err != nil {
return nil, err
}
lun32 := int32(lun)
fcPV = createPersistentVolumeFromFCVolumeSource(volumeName,
v1.FCVolumeSource{TargetWWNs: []string{wwnLun[0]}, Lun: &lun32})
glog.V(5).Infof("ConstructBlockVolumeSpec: TargetWWNs: %v, Lun: %v",
fcPV.Spec.PersistentVolumeSource.FC.TargetWWNs,
*fcPV.Spec.PersistentVolumeSource.FC.Lun)
} else {
fcPV = createPersistentVolumeFromFCVolumeSource(volumeName,
v1.FCVolumeSource{WWIDs: []string{volumeInfo}})
glog.V(5).Infof("ConstructBlockVolumeSpec: WWIDs: %v", fcPV.Spec.PersistentVolumeSource.FC.WWIDs)
}
return volume.NewSpecFromPersistentVolume(fcPV, false), nil
}
type fcDisk struct {
volName string
podUID types.UID
portal string
wwns []string
lun string
wwids []string
plugin *fcPlugin
// Utility interface that provides API calls to the provider to attach/detach disks.
manager diskManager
// io handler interface
io ioHandler
volume.MetricsNil
}
func (fc *fcDisk) GetPath() string {
name := fcPluginName
// safe to use PodVolumeDir now: volume teardown occurs before pod is cleaned up
return fc.plugin.host.GetPodVolumeDir(fc.podUID, utilstrings.EscapeQualifiedNameForDisk(name), fc.volName)
}
func (fc *fcDisk) fcGlobalMapPath(spec *volume.Spec) (string, error) {
mounter, err := volumeSpecToMounter(spec, fc.plugin.host)
if err != nil {
glog.Warningf("failed to get fc mounter: %v", err)
return "", err
}
return fc.manager.MakeGlobalVDPDName(*mounter.fcDisk), nil
}
func (fc *fcDisk) fcPodDeviceMapPath() (string, string) {
name := fcPluginName
return fc.plugin.host.GetPodVolumeDeviceDir(fc.podUID, utilstrings.EscapeQualifiedNameForDisk(name)), fc.volName
}
type fcDiskMounter struct {
*fcDisk
readOnly bool
fsType string
volumeMode v1.PersistentVolumeMode
mounter *mount.SafeFormatAndMount
deviceUtil util.DeviceUtil
}
var _ volume.Mounter = &fcDiskMounter{}
func (b *fcDiskMounter) GetAttributes() volume.Attributes {
return volume.Attributes{
ReadOnly: b.readOnly,
Managed: !b.readOnly,
SupportsSELinux: true,
}
}
// Checks prior to mount operations to verify that the required components (binaries, etc.)
// to mount the volume are available on the underlying node.
// If not, it returns an error
func (b *fcDiskMounter) CanMount() error {
return nil
}
func (b *fcDiskMounter) SetUp(fsGroup *int64) error {
return b.SetUpAt(b.GetPath(), fsGroup)
}
func (b *fcDiskMounter) SetUpAt(dir string, fsGroup *int64) error {
// diskSetUp checks mountpoints and prevent repeated calls
err := diskSetUp(b.manager, *b, dir, b.mounter, fsGroup)
if err != nil {
glog.Errorf("fc: failed to setup")
}
return err
}
type fcDiskUnmounter struct {
*fcDisk
mounter mount.Interface
deviceUtil util.DeviceUtil
}
var _ volume.Unmounter = &fcDiskUnmounter{}
// Unmounts the bind mount, and detaches the disk only if the disk
// resource was the last reference to that disk on the kubelet.
func (c *fcDiskUnmounter) TearDown() error {
return c.TearDownAt(c.GetPath())
}
func (c *fcDiskUnmounter) TearDownAt(dir string) error {
return util.UnmountPath(dir, c.mounter)
}
// Block Volumes Support
type fcDiskMapper struct {
*fcDisk
readOnly bool
mounter mount.Interface
deviceUtil util.DeviceUtil
}
var _ volume.BlockVolumeMapper = &fcDiskMapper{}
func (b *fcDiskMapper) SetUpDevice() (string, error) {
return "", nil
}
func (b *fcDiskMapper) MapDevice(devicePath, globalMapPath, volumeMapPath, volumeMapName string, podUID types.UID) error {
return util.MapBlockVolume(devicePath, globalMapPath, volumeMapPath, volumeMapName, podUID)
}
type fcDiskUnmapper struct {
*fcDisk
deviceUtil util.DeviceUtil
}
var _ volume.BlockVolumeUnmapper = &fcDiskUnmapper{}
func (c *fcDiskUnmapper) TearDownDevice(mapPath, devicePath string) error {
err := c.manager.DetachBlockFCDisk(*c, mapPath, devicePath)
if err != nil {
return fmt.Errorf("fc: failed to detach disk: %s\nError: %v", mapPath, err)
}
glog.V(4).Infof("fc: %q is unmounted, deleting the directory", mapPath)
err = os.RemoveAll(mapPath)
if err != nil {
return fmt.Errorf("fc: failed to delete the directory: %s\nError: %v", mapPath, err)
}
glog.V(4).Infof("fc: successfully detached disk: %s", mapPath)
return nil
}
// GetGlobalMapPath returns global map path and error
// path: plugins/kubernetes.io/{PluginName}/volumeDevices/{WWID}/{podUid}
func (fc *fcDisk) GetGlobalMapPath(spec *volume.Spec) (string, error) {
return fc.fcGlobalMapPath(spec)
}
// GetPodDeviceMapPath returns pod device map path and volume name
// path: pods/{podUid}/volumeDevices/kubernetes.io~fc
// volumeName: pv0001
func (fc *fcDisk) GetPodDeviceMapPath() (string, string) {
return fc.fcPodDeviceMapPath()
}
func getVolumeSource(spec *volume.Spec) (*v1.FCVolumeSource, bool, error) {
// fc volumes used directly in a pod have a ReadOnly flag set by the pod author.
// fc volumes used as a PersistentVolume gets the ReadOnly flag indirectly through the persistent-claim volume used to mount the PV
if spec.Volume != nil && spec.Volume.FC != nil {
return spec.Volume.FC, spec.Volume.FC.ReadOnly, nil
} else if spec.PersistentVolume != nil &&
spec.PersistentVolume.Spec.FC != nil {
return spec.PersistentVolume.Spec.FC, spec.ReadOnly, nil
}
return nil, false, fmt.Errorf("Spec does not reference a FibreChannel volume type")
}
func createPersistentVolumeFromFCVolumeSource(volumeName string, fc v1.FCVolumeSource) *v1.PersistentVolume {
block := v1.PersistentVolumeBlock
return &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: volumeName,
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
FC: &fc,
},
VolumeMode: &block,
},
}
}
func getWwnsLunWwids(fc *v1.FCVolumeSource) ([]string, string, []string, error) {
var lun string
var wwids []string
if fc.Lun != nil && len(fc.TargetWWNs) != 0 {
lun = strconv.Itoa(int(*fc.Lun))
return fc.TargetWWNs, lun, wwids, nil
}
if len(fc.WWIDs) != 0 {
for _, wwid := range fc.WWIDs {
wwids = append(wwids, strings.Replace(wwid, " ", "_", -1))
}
return fc.TargetWWNs, lun, wwids, nil
}
return nil, "", nil, fmt.Errorf("fc: no fc disk information found")
}

503
vendor/k8s.io/kubernetes/pkg/volume/fc/fc_test.go generated vendored
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@ -1,503 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package fc
import (
"fmt"
"os"
"runtime"
"strconv"
"strings"
"testing"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/kubernetes/fake"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
func TestCanSupport(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("fc_test")
if err != nil {
t.Fatalf("error creating temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/fc")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plug.GetPluginName() != "kubernetes.io/fc" {
t.Errorf("Wrong name: %s", plug.GetPluginName())
}
if plug.CanSupport(&volume.Spec{}) {
t.Errorf("Expected false")
}
if plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{}}}) {
t.Errorf("Expected false")
}
if !plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{FC: &v1.FCVolumeSource{}}}}) {
t.Errorf("Expected true")
}
if plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{}}}) {
t.Errorf("Expected false")
}
if plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{PersistentVolumeSource: v1.PersistentVolumeSource{}}}}) {
t.Errorf("Expected false")
}
if !plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{PersistentVolumeSource: v1.PersistentVolumeSource{FC: &v1.FCVolumeSource{}}}}}) {
t.Errorf("Expected true")
}
}
func TestGetAccessModes(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("fc_test")
if err != nil {
t.Fatalf("error creating temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPersistentPluginByName("kubernetes.io/fc")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if !volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadWriteOnce) || !volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadOnlyMany) {
t.Errorf("Expected two AccessModeTypes: %s and %s", v1.ReadWriteOnce, v1.ReadOnlyMany)
}
}
type fakeDiskManager struct {
tmpDir string
attachCalled bool
detachCalled bool
}
func NewFakeDiskManager() *fakeDiskManager {
return &fakeDiskManager{
tmpDir: utiltesting.MkTmpdirOrDie("fc_test"),
}
}
func (fake *fakeDiskManager) Cleanup() {
os.RemoveAll(fake.tmpDir)
}
func (fake *fakeDiskManager) MakeGlobalPDName(disk fcDisk) string {
return fake.tmpDir
}
func (fake *fakeDiskManager) MakeGlobalVDPDName(disk fcDisk) string {
return fake.tmpDir
}
func (fake *fakeDiskManager) AttachDisk(b fcDiskMounter) (string, error) {
globalPath := b.manager.MakeGlobalPDName(*b.fcDisk)
err := os.MkdirAll(globalPath, 0750)
if err != nil {
return "", err
}
// Simulate the global mount so that the fakeMounter returns the
// expected number of mounts for the attached disk.
b.mounter.Mount(globalPath, globalPath, b.fsType, nil)
fake.attachCalled = true
return "", nil
}
func (fake *fakeDiskManager) DetachDisk(c fcDiskUnmounter, mntPath string) error {
globalPath := c.manager.MakeGlobalPDName(*c.fcDisk)
err := os.RemoveAll(globalPath)
if err != nil {
return err
}
fake.detachCalled = true
return nil
}
func (fake *fakeDiskManager) DetachBlockFCDisk(c fcDiskUnmapper, mapPath, devicePath string) error {
err := os.RemoveAll(mapPath)
if err != nil {
return err
}
fake.detachCalled = true
return nil
}
func doTestPlugin(t *testing.T, spec *volume.Spec) {
tmpDir, err := utiltesting.MkTmpdir("fc_test")
if err != nil {
t.Fatalf("error creating temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/fc")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
fakeManager := NewFakeDiskManager()
defer fakeManager.Cleanup()
fakeMounter := &mount.FakeMounter{}
fakeExec := mount.NewFakeExec(nil)
mounter, err := plug.(*fcPlugin).newMounterInternal(spec, types.UID("poduid"), fakeManager, fakeMounter, fakeExec)
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Errorf("Got a nil Mounter: %v", err)
}
path := mounter.GetPath()
expectedPath := fmt.Sprintf("%s/pods/poduid/volumes/kubernetes.io~fc/vol1", tmpDir)
if path != expectedPath {
t.Errorf("Unexpected path, expected %q, got: %q", expectedPath, path)
}
if err := mounter.SetUp(nil); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", path)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
fakeManager2 := NewFakeDiskManager()
defer fakeManager2.Cleanup()
unmounter, err := plug.(*fcPlugin).newUnmounterInternal("vol1", types.UID("poduid"), fakeManager2, fakeMounter)
if err != nil {
t.Errorf("Failed to make a new Unmounter: %v", err)
}
if unmounter == nil {
t.Errorf("Got a nil Unmounter: %v", err)
}
if err := unmounter.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err == nil {
t.Errorf("TearDown() failed, volume path still exists: %s", path)
} else if !os.IsNotExist(err) {
t.Errorf("TearDown() failed: %v", err)
}
}
func doTestPluginNilMounter(t *testing.T, spec *volume.Spec) {
tmpDir, err := utiltesting.MkTmpdir("fc_test")
if err != nil {
t.Fatalf("error creating temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/fc")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
fakeManager := NewFakeDiskManager()
defer fakeManager.Cleanup()
fakeMounter := &mount.FakeMounter{}
fakeExec := mount.NewFakeExec(nil)
mounter, err := plug.(*fcPlugin).newMounterInternal(spec, types.UID("poduid"), fakeManager, fakeMounter, fakeExec)
if err == nil {
t.Errorf("Error failed to make a new Mounter is expected: %v", err)
}
if mounter != nil {
t.Errorf("A nil Mounter is expected: %v", err)
}
}
func TestPluginVolume(t *testing.T) {
lun := int32(0)
vol := &v1.Volume{
Name: "vol1",
VolumeSource: v1.VolumeSource{
FC: &v1.FCVolumeSource{
TargetWWNs: []string{"500a0981891b8dc5"},
FSType: "ext4",
Lun: &lun,
},
},
}
doTestPlugin(t, volume.NewSpecFromVolume(vol))
}
func TestPluginPersistentVolume(t *testing.T) {
lun := int32(0)
vol := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: "vol1",
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
FC: &v1.FCVolumeSource{
TargetWWNs: []string{"500a0981891b8dc5"},
FSType: "ext4",
Lun: &lun,
},
},
},
}
doTestPlugin(t, volume.NewSpecFromPersistentVolume(vol, false))
}
func TestPluginVolumeWWIDs(t *testing.T) {
vol := &v1.Volume{
Name: "vol1",
VolumeSource: v1.VolumeSource{
FC: &v1.FCVolumeSource{
WWIDs: []string{"3600508b400105e210000900000490000"},
FSType: "ext4",
},
},
}
doTestPlugin(t, volume.NewSpecFromVolume(vol))
}
func TestPluginPersistentVolumeWWIDs(t *testing.T) {
vol := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: "vol1",
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
FC: &v1.FCVolumeSource{
WWIDs: []string{"3600508b400105e21 000900000490000"},
FSType: "ext4",
},
},
},
}
doTestPlugin(t, volume.NewSpecFromPersistentVolume(vol, false))
}
func TestPluginVolumeNoDiskInfo(t *testing.T) {
vol := &v1.Volume{
Name: "vol1",
VolumeSource: v1.VolumeSource{
FC: &v1.FCVolumeSource{
FSType: "ext4",
},
},
}
doTestPluginNilMounter(t, volume.NewSpecFromVolume(vol))
}
func TestPluginPersistentVolumeNoDiskInfo(t *testing.T) {
vol := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: "vol1",
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
FC: &v1.FCVolumeSource{
FSType: "ext4",
},
},
},
}
doTestPluginNilMounter(t, volume.NewSpecFromPersistentVolume(vol, false))
}
func TestPersistentClaimReadOnlyFlag(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("fc_test")
if err != nil {
t.Fatalf("error creating temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
lun := int32(0)
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: "pvA",
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
FC: &v1.FCVolumeSource{
TargetWWNs: []string{"some_wwn"},
FSType: "ext4",
Lun: &lun,
},
},
ClaimRef: &v1.ObjectReference{
Name: "claimA",
},
},
}
claim := &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: "claimA",
Namespace: "nsA",
},
Spec: v1.PersistentVolumeClaimSpec{
VolumeName: "pvA",
},
Status: v1.PersistentVolumeClaimStatus{
Phase: v1.ClaimBound,
},
}
client := fake.NewSimpleClientset(pv, claim)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, client, nil))
plug, _ := plugMgr.FindPluginByName(fcPluginName)
// readOnly bool is supplied by persistent-claim volume source when its mounter creates other volumes
spec := volume.NewSpecFromPersistentVolume(pv, true)
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
mounter, _ := plug.NewMounter(spec, pod, volume.VolumeOptions{})
if mounter == nil {
t.Fatalf("Got a nil Mounter")
}
if !mounter.GetAttributes().ReadOnly {
t.Errorf("Expected true for mounter.IsReadOnly")
}
}
func Test_getWwnsLun(t *testing.T) {
num := int32(0)
fc := &v1.FCVolumeSource{
TargetWWNs: []string{"500a0981891b8dc5"},
FSType: "ext4",
Lun: &num,
}
wwn, lun, _, err := getWwnsLunWwids(fc)
// if no wwn and lun, exit
if (len(wwn) == 0 && lun != "0") || err != nil {
t.Errorf("no fc disk found")
}
}
func Test_getWwids(t *testing.T) {
fc := &v1.FCVolumeSource{
FSType: "ext4",
WWIDs: []string{"3600508b400105e210000900000490000"},
}
_, _, wwid, err := getWwnsLunWwids(fc)
// if no wwn and lun, exit
if len(wwid) == 0 || err != nil {
t.Errorf("no fc disk found")
}
}
func Test_getWwnsLunWwidsError(t *testing.T) {
fc := &v1.FCVolumeSource{
FSType: "ext4",
}
wwn, lun, wwid, err := getWwnsLunWwids(fc)
// expected no wwn and lun and wwid
if (len(wwn) != 0 && lun != "" && len(wwid) != 0) || err == nil {
t.Errorf("unexpected fc disk found")
}
}
func Test_ConstructVolumeSpec(t *testing.T) {
if runtime.GOOS == "darwin" {
t.Skipf("Test_ConstructVolumeSpec is not supported on GOOS=%s", runtime.GOOS)
}
fm := &mount.FakeMounter{
MountPoints: []mount.MountPoint{
{Device: "/dev/sdb", Path: "/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~fc/fc-in-pod1"},
{Device: "/dev/sdb", Path: "/var/lib/kubelet/plugins/kubernetes.io/fc/50060e801049cfd1-lun-0"},
{Device: "/dev/sdc", Path: "/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~fc/fc-in-pod2"},
{Device: "/dev/sdc", Path: "/var/lib/kubelet/plugins/kubernetes.io/fc/volumeDevices/3600508b400105e210000900000490000"},
},
}
mountPaths := []string{
"/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~fc/fc-in-pod1",
"/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~fc/fc-in-pod2",
}
for _, path := range mountPaths {
refs, err := mount.GetMountRefs(fm, path)
if err != nil {
t.Errorf("couldn't get mountrefs. err: %v", err)
}
var globalPDPath string
for _, ref := range refs {
if strings.Contains(ref, "kubernetes.io/fc") {
globalPDPath = ref
break
}
}
if len(globalPDPath) == 0 {
t.Errorf("couldn't fetch mountrefs")
}
arr := strings.Split(globalPDPath, "/")
if len(arr) < 1 {
t.Errorf("failed to retrieve volume plugin information from globalPDPath: %v", globalPDPath)
}
volumeInfo := arr[len(arr)-1]
if strings.Contains(volumeInfo, "-lun-") {
wwnLun := strings.Split(volumeInfo, "-lun-")
if len(wwnLun) < 2 {
t.Errorf("failed to retrieve TargetWWN and Lun. volumeInfo is invalid: %v", volumeInfo)
}
lun, _ := strconv.Atoi(wwnLun[1])
lun32 := int32(lun)
if wwnLun[0] != "50060e801049cfd1" || lun32 != 0 {
t.Errorf("failed to retrieve TargetWWN and Lun")
}
} else {
if volumeInfo != "3600508b400105e210000900000490000" {
t.Errorf("failed to retrieve WWIDs")
}
}
}
}
func Test_ConstructVolumeSpecNoRefs(t *testing.T) {
fm := &mount.FakeMounter{
MountPoints: []mount.MountPoint{
{Device: "/dev/sdd", Path: "/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~fc/fc-in-pod1"},
},
}
mountPaths := []string{
"/var/lib/kubelet/pods/some-pod/volumes/kubernetes.io~fc/fc-in-pod1",
}
for _, path := range mountPaths {
refs, _ := mount.GetMountRefs(fm, path)
var globalPDPath string
for _, ref := range refs {
if strings.Contains(ref, "kubernetes.io/fc") {
globalPDPath = ref
break
}
}
if len(globalPDPath) != 0 {
t.Errorf("invalid globalPDPath")
}
}
}

409
vendor/k8s.io/kubernetes/pkg/volume/fc/fc_util.go generated vendored
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@ -1,409 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package fc
import (
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"strings"
"github.com/golang/glog"
"k8s.io/api/core/v1"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/volume"
volumeutil "k8s.io/kubernetes/pkg/volume/util"
"k8s.io/kubernetes/pkg/volume/util/volumepathhandler"
)
type ioHandler interface {
ReadDir(dirname string) ([]os.FileInfo, error)
Lstat(name string) (os.FileInfo, error)
EvalSymlinks(path string) (string, error)
WriteFile(filename string, data []byte, perm os.FileMode) error
}
type osIOHandler struct{}
const (
byPath = "/dev/disk/by-path/"
byID = "/dev/disk/by-id/"
)
func (handler *osIOHandler) ReadDir(dirname string) ([]os.FileInfo, error) {
return ioutil.ReadDir(dirname)
}
func (handler *osIOHandler) Lstat(name string) (os.FileInfo, error) {
return os.Lstat(name)
}
func (handler *osIOHandler) EvalSymlinks(path string) (string, error) {
return filepath.EvalSymlinks(path)
}
func (handler *osIOHandler) WriteFile(filename string, data []byte, perm os.FileMode) error {
return ioutil.WriteFile(filename, data, perm)
}
// given a wwn and lun, find the device and associated devicemapper parent
func findDisk(wwn, lun string, io ioHandler, deviceUtil volumeutil.DeviceUtil) (string, string) {
fc_path := "-fc-0x" + wwn + "-lun-" + lun
dev_path := byPath
if dirs, err := io.ReadDir(dev_path); err == nil {
for _, f := range dirs {
name := f.Name()
if strings.Contains(name, fc_path) {
if disk, err1 := io.EvalSymlinks(dev_path + name); err1 == nil {
dm := deviceUtil.FindMultipathDeviceForDevice(disk)
glog.Infof("fc: find disk: %v, dm: %v", disk, dm)
return disk, dm
}
}
}
}
return "", ""
}
// given a wwid, find the device and associated devicemapper parent
func findDiskWWIDs(wwid string, io ioHandler, deviceUtil volumeutil.DeviceUtil) (string, string) {
// Example wwid format:
// 3600508b400105e210000900000490000
// <VENDOR NAME> <IDENTIFIER NUMBER>
// Example of symlink under by-id:
// /dev/by-id/scsi-3600508b400105e210000900000490000
// /dev/by-id/scsi-<VENDOR NAME>_<IDENTIFIER NUMBER>
// The wwid could contain white space and it will be replaced
// underscore when wwid is exposed under /dev/by-id.
fc_path := "scsi-" + wwid
dev_id := byID
if dirs, err := io.ReadDir(dev_id); err == nil {
for _, f := range dirs {
name := f.Name()
if name == fc_path {
disk, err := io.EvalSymlinks(dev_id + name)
if err != nil {
glog.V(2).Infof("fc: failed to find a corresponding disk from symlink[%s], error %v", dev_id+name, err)
return "", ""
}
dm := deviceUtil.FindMultipathDeviceForDevice(disk)
glog.Infof("fc: find disk: %v, dm: %v", disk, dm)
return disk, dm
}
}
}
glog.V(2).Infof("fc: failed to find a disk [%s]", dev_id+fc_path)
return "", ""
}
// Removes a scsi device based upon /dev/sdX name
func removeFromScsiSubsystem(deviceName string, io ioHandler) {
fileName := "/sys/block/" + deviceName + "/device/delete"
glog.V(4).Infof("fc: remove device from scsi-subsystem: path: %s", fileName)
data := []byte("1")
io.WriteFile(fileName, data, 0666)
}
// rescan scsi bus
func scsiHostRescan(io ioHandler) {
scsi_path := "/sys/class/scsi_host/"
if dirs, err := io.ReadDir(scsi_path); err == nil {
for _, f := range dirs {
name := scsi_path + f.Name() + "/scan"
data := []byte("- - -")
io.WriteFile(name, data, 0666)
}
}
}
// make a directory like /var/lib/kubelet/plugins/kubernetes.io/fc/target-lun-0
func makePDNameInternal(host volume.VolumeHost, wwns []string, lun string, wwids []string) string {
if len(wwns) != 0 {
return path.Join(host.GetPluginDir(fcPluginName), wwns[0]+"-lun-"+lun)
} else {
return path.Join(host.GetPluginDir(fcPluginName), wwids[0])
}
}
// make a directory like /var/lib/kubelet/plugins/kubernetes.io/fc/volumeDevices/target-lun-0
func makeVDPDNameInternal(host volume.VolumeHost, wwns []string, lun string, wwids []string) string {
if len(wwns) != 0 {
return path.Join(host.GetVolumeDevicePluginDir(fcPluginName), wwns[0]+"-lun-"+lun)
} else {
return path.Join(host.GetVolumeDevicePluginDir(fcPluginName), wwids[0])
}
}
type FCUtil struct{}
func (util *FCUtil) MakeGlobalPDName(fc fcDisk) string {
return makePDNameInternal(fc.plugin.host, fc.wwns, fc.lun, fc.wwids)
}
// Global volume device plugin dir
func (util *FCUtil) MakeGlobalVDPDName(fc fcDisk) string {
return makeVDPDNameInternal(fc.plugin.host, fc.wwns, fc.lun, fc.wwids)
}
func searchDisk(b fcDiskMounter) (string, error) {
var diskIds []string
var disk string
var dm string
io := b.io
wwids := b.wwids
wwns := b.wwns
lun := b.lun
if len(wwns) != 0 {
diskIds = wwns
} else {
diskIds = wwids
}
rescaned := false
// two-phase search:
// first phase, search existing device path, if a multipath dm is found, exit loop
// otherwise, in second phase, rescan scsi bus and search again, return with any findings
for true {
for _, diskId := range diskIds {
if len(wwns) != 0 {
disk, dm = findDisk(diskId, lun, io, b.deviceUtil)
} else {
disk, dm = findDiskWWIDs(diskId, io, b.deviceUtil)
}
// if multipath device is found, break
if dm != "" {
break
}
}
// if a dm is found, exit loop
if rescaned || dm != "" {
break
}
// rescan and search again
// rescan scsi bus
scsiHostRescan(io)
rescaned = true
}
// if no disk matches input wwn and lun, exit
if disk == "" && dm == "" {
return "", fmt.Errorf("no fc disk found")
}
// if multipath devicemapper device is found, use it; otherwise use raw disk
if dm != "" {
return dm, nil
}
return disk, nil
}
func (util *FCUtil) AttachDisk(b fcDiskMounter) (string, error) {
devicePath, err := searchDisk(b)
if err != nil {
return "", err
}
// TODO: remove feature gate check after no longer needed
if utilfeature.DefaultFeatureGate.Enabled(features.BlockVolume) {
// If the volumeMode is 'Block', plugin don't have to format the volume.
// The globalPDPath will be created by operationexecutor. Just return devicePath here.
glog.V(5).Infof("fc: AttachDisk volumeMode: %s, devicePath: %s", b.volumeMode, devicePath)
if b.volumeMode == v1.PersistentVolumeBlock {
return devicePath, nil
}
}
// mount it
globalPDPath := util.MakeGlobalPDName(*b.fcDisk)
if err := os.MkdirAll(globalPDPath, 0750); err != nil {
return devicePath, fmt.Errorf("fc: failed to mkdir %s, error", globalPDPath)
}
noMnt, err := b.mounter.IsLikelyNotMountPoint(globalPDPath)
if err != nil {
return devicePath, fmt.Errorf("Heuristic determination of mount point failed:%v", err)
}
if !noMnt {
glog.Infof("fc: %s already mounted", globalPDPath)
return devicePath, nil
}
err = b.mounter.FormatAndMount(devicePath, globalPDPath, b.fsType, nil)
if err != nil {
return devicePath, fmt.Errorf("fc: failed to mount fc volume %s [%s] to %s, error %v", devicePath, b.fsType, globalPDPath, err)
}
return devicePath, err
}
// DetachDisk removes scsi device file such as /dev/sdX from the node.
func (util *FCUtil) DetachDisk(c fcDiskUnmounter, devicePath string) error {
var devices []string
// devicePath might be like /dev/mapper/mpathX. Find destination.
dstPath, err := c.io.EvalSymlinks(devicePath)
if err != nil {
return err
}
// Find slave
if strings.HasPrefix(dstPath, "/dev/dm-") {
devices = c.deviceUtil.FindSlaveDevicesOnMultipath(dstPath)
} else {
// Add single devicepath to devices
devices = append(devices, dstPath)
}
glog.V(4).Infof("fc: DetachDisk devicePath: %v, dstPath: %v, devices: %v", devicePath, dstPath, devices)
var lastErr error
for _, device := range devices {
err := util.detachFCDisk(c.io, device)
if err != nil {
glog.Errorf("fc: detachFCDisk failed. device: %v err: %v", device, err)
lastErr = fmt.Errorf("fc: detachFCDisk failed. device: %v err: %v", device, err)
}
}
if lastErr != nil {
glog.Errorf("fc: last error occurred during detach disk:\n%v", lastErr)
return lastErr
}
return nil
}
// detachFCDisk removes scsi device file such as /dev/sdX from the node.
func (util *FCUtil) detachFCDisk(io ioHandler, devicePath string) error {
// Remove scsi device from the node.
if !strings.HasPrefix(devicePath, "/dev/") {
return fmt.Errorf("fc detach disk: invalid device name: %s", devicePath)
}
arr := strings.Split(devicePath, "/")
dev := arr[len(arr)-1]
removeFromScsiSubsystem(dev, io)
return nil
}
// DetachBlockFCDisk detaches a volume from kubelet node, removes scsi device file
// such as /dev/sdX from the node, and then removes loopback for the scsi device.
func (util *FCUtil) DetachBlockFCDisk(c fcDiskUnmapper, mapPath, devicePath string) error {
// Check if devicePath is valid
if len(devicePath) != 0 {
if pathExists, pathErr := checkPathExists(devicePath); !pathExists || pathErr != nil {
return pathErr
}
} else {
// TODO: FC plugin can't obtain the devicePath from kubelet because devicePath
// in volume object isn't updated when volume is attached to kubelet node.
glog.Infof("fc: devicePath is empty. Try to retrieve FC configuration from global map path: %v", mapPath)
}
// Check if global map path is valid
// global map path examples:
// wwn+lun: plugins/kubernetes.io/fc/volumeDevices/50060e801049cfd1-lun-0/
// wwid: plugins/kubernetes.io/fc/volumeDevices/3600508b400105e210000900000490000/
if pathExists, pathErr := checkPathExists(mapPath); !pathExists || pathErr != nil {
return pathErr
}
// Retrieve volume plugin dependent path like '50060e801049cfd1-lun-0' from global map path
arr := strings.Split(mapPath, "/")
if len(arr) < 1 {
return fmt.Errorf("Fail to retrieve volume plugin information from global map path: %v", mapPath)
}
volumeInfo := arr[len(arr)-1]
// Search symbolick link which matches volumeInfo under /dev/disk/by-path or /dev/disk/by-id
// then find destination device path from the link
searchPath := byID
if strings.Contains(volumeInfo, "-lun-") {
searchPath = byPath
}
fis, err := ioutil.ReadDir(searchPath)
if err != nil {
return err
}
for _, fi := range fis {
if strings.Contains(fi.Name(), volumeInfo) {
devicePath = path.Join(searchPath, fi.Name())
glog.V(5).Infof("fc: updated devicePath: %s", devicePath)
break
}
}
if len(devicePath) == 0 {
return fmt.Errorf("fc: failed to find corresponding device from searchPath: %v", searchPath)
}
dstPath, err := c.io.EvalSymlinks(devicePath)
if err != nil {
return err
}
glog.V(4).Infof("fc: find destination device path from symlink: %v", dstPath)
// Get loopback device which takes fd lock for device beofore detaching a volume from node.
// TODO: This is a workaround for issue #54108
// Currently local attach plugins such as FC, iSCSI, RBD can't obtain devicePath during
// GenerateUnmapDeviceFunc() in operation_generator. As a result, these plugins fail to get
// and remove loopback device then it will be remained on kubelet node. To avoid the problem,
// local attach plugins needs to remove loopback device during TearDownDevice().
var devices []string
blkUtil := volumepathhandler.NewBlockVolumePathHandler()
dm := c.deviceUtil.FindMultipathDeviceForDevice(dstPath)
if len(dm) != 0 {
dstPath = dm
}
loop, err := volumepathhandler.BlockVolumePathHandler.GetLoopDevice(blkUtil, dstPath)
if err != nil {
if err.Error() != volumepathhandler.ErrDeviceNotFound {
return fmt.Errorf("fc: failed to get loopback for destination path: %v, err: %v", dstPath, err)
}
glog.Warning("fc: loopback for destination path: %s not found", dstPath)
}
// Detach volume from kubelet node
if len(dm) != 0 {
// Find all devices which are managed by multipath
devices = c.deviceUtil.FindSlaveDevicesOnMultipath(dm)
} else {
// Add single device path to devices
devices = append(devices, dstPath)
}
var lastErr error
for _, device := range devices {
err = util.detachFCDisk(c.io, device)
if err != nil {
glog.Errorf("fc: detachFCDisk failed. device: %v err: %v", device, err)
lastErr = fmt.Errorf("fc: detachFCDisk failed. device: %v err: %v", device, err)
}
}
if lastErr != nil {
glog.Errorf("fc: last error occurred during detach disk:\n%v", lastErr)
return lastErr
}
if len(loop) != 0 {
// The volume was successfully detached from node. We can safely remove the loopback.
err = volumepathhandler.BlockVolumePathHandler.RemoveLoopDevice(blkUtil, loop)
if err != nil {
return fmt.Errorf("fc: failed to remove loopback :%v, err: %v", loop, err)
}
}
return nil
}
func checkPathExists(path string) (bool, error) {
if pathExists, pathErr := volumeutil.PathExists(path); pathErr != nil {
return pathExists, fmt.Errorf("Error checking if path exists: %v", pathErr)
} else if !pathExists {
glog.Warningf("Warning: Unmap skipped because path does not exist: %v", path)
return pathExists, nil
}
return true, nil
}

118
vendor/k8s.io/kubernetes/pkg/volume/fc/fc_util_test.go generated vendored
View File

@ -1,118 +0,0 @@
/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package fc
import (
"os"
"testing"
"time"
"k8s.io/kubernetes/pkg/volume/util"
)
type fakeFileInfo struct {
name string
}
func (fi *fakeFileInfo) Name() string {
return fi.name
}
func (fi *fakeFileInfo) Size() int64 {
return 0
}
func (fi *fakeFileInfo) Mode() os.FileMode {
return 777
}
func (fi *fakeFileInfo) ModTime() time.Time {
return time.Now()
}
func (fi *fakeFileInfo) IsDir() bool {
return false
}
func (fi *fakeFileInfo) Sys() interface{} {
return nil
}
type fakeIOHandler struct{}
func (handler *fakeIOHandler) ReadDir(dirname string) ([]os.FileInfo, error) {
switch dirname {
case "/dev/disk/by-path/":
f := &fakeFileInfo{
name: "pci-0000:41:00.0-fc-0x500a0981891b8dc5-lun-0",
}
return []os.FileInfo{f}, nil
case "/sys/block/":
f := &fakeFileInfo{
name: "dm-1",
}
return []os.FileInfo{f}, nil
case "/dev/disk/by-id/":
f := &fakeFileInfo{
name: "scsi-3600508b400105e210000900000490000",
}
return []os.FileInfo{f}, nil
}
return nil, nil
}
func (handler *fakeIOHandler) Lstat(name string) (os.FileInfo, error) {
return nil, nil
}
func (handler *fakeIOHandler) EvalSymlinks(path string) (string, error) {
return "/dev/sda", nil
}
func (handler *fakeIOHandler) WriteFile(filename string, data []byte, perm os.FileMode) error {
return nil
}
func TestSearchDisk(t *testing.T) {
fakeMounter := fcDiskMounter{
fcDisk: &fcDisk{
wwns: []string{"500a0981891b8dc5"},
lun: "0",
io: &fakeIOHandler{},
},
deviceUtil: util.NewDeviceHandler(util.NewIOHandler()),
}
devicePath, error := searchDisk(fakeMounter)
// if no disk matches input wwn and lun, exit
if devicePath == "" || error != nil {
t.Errorf("no fc disk found")
}
}
func TestSearchDiskWWID(t *testing.T) {
fakeMounter := fcDiskMounter{
fcDisk: &fcDisk{
wwids: []string{"3600508b400105e210000900000490000"},
io: &fakeIOHandler{},
},
deviceUtil: util.NewDeviceHandler(util.NewIOHandler()),
}
devicePath, error := searchDisk(fakeMounter)
// if no disk matches input wwid, exit
if devicePath == "" || error != nil {
t.Errorf("no fc disk found")
}
}

85
vendor/k8s.io/kubernetes/pkg/volume/flexvolume/BUILD generated vendored
View File

@ -1,85 +0,0 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_library(
name = "go_default_library",
srcs = [
"attacher.go",
"attacher-defaults.go",
"detacher.go",
"detacher-defaults.go",
"driver-call.go",
"fake_watcher.go",
"mounter.go",
"mounter-defaults.go",
"plugin.go",
"plugin-defaults.go",
"probe.go",
"unmounter.go",
"unmounter-defaults.go",
"util.go",
"volume.go",
],
importpath = "k8s.io/kubernetes/pkg/volume/flexvolume",
deps = [
"//pkg/util/filesystem:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/util/strings:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/util:go_default_library",
"//vendor/github.com/fsnotify/fsnotify:go_default_library",
"//vendor/github.com/golang/glog:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/util/errors:go_default_library",
"//vendor/k8s.io/utils/exec:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = [
"attacher_test.go",
"common_test.go",
"detacher_test.go",
"driver-call_test.go",
"flexvolume_test.go",
"mounter_test.go",
"plugin_test.go",
"probe_test.go",
"unmounter_test.go",
],
embed = [":go_default_library"],
deps = [
"//pkg/util/filesystem:go_default_library",
"//pkg/util/mount:go_default_library",
"//pkg/volume:go_default_library",
"//pkg/volume/testing:go_default_library",
"//vendor/github.com/fsnotify/fsnotify:go_default_library",
"//vendor/github.com/stretchr/testify/assert:go_default_library",
"//vendor/k8s.io/api/core/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
"//vendor/k8s.io/client-go/util/testing:go_default_library",
"//vendor/k8s.io/utils/exec:go_default_library",
"//vendor/k8s.io/utils/exec/testing:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)

15
vendor/k8s.io/kubernetes/pkg/volume/flexvolume/OWNERS generated vendored
View File

@ -1,15 +0,0 @@
approvers:
- chakri-nelluri
- saad-ali
- MikaelCluseau
reviewers:
- ivan4th
- rata
- sjenning
- saad-ali
- jsafrane
- rootfs
- jingxu97
- msau42
- chakri-nelluri
- MikaelCluseau

73
vendor/k8s.io/kubernetes/pkg/volume/flexvolume/attacher-defaults.go generated vendored
View File

@ -1,73 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package flexvolume
import (
"time"
"github.com/golang/glog"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/util/mount"
"k8s.io/kubernetes/pkg/volume"
)
type attacherDefaults flexVolumeAttacher
// Attach is part of the volume.Attacher interface
func (a *attacherDefaults) Attach(spec *volume.Spec, hostName types.NodeName) (string, error) {
glog.Warning(logPrefix(a.plugin.flexVolumePlugin), "using default Attach for volume ", spec.Name(), ", host ", hostName)
return "", nil
}
// WaitForAttach is part of the volume.Attacher interface
func (a *attacherDefaults) WaitForAttach(spec *volume.Spec, devicePath string, timeout time.Duration) (string, error) {
glog.Warning(logPrefix(a.plugin.flexVolumePlugin), "using default WaitForAttach for volume ", spec.Name(), ", device ", devicePath)
return devicePath, nil
}
// GetDeviceMountPath is part of the volume.Attacher interface
func (a *attacherDefaults) GetDeviceMountPath(spec *volume.Spec, mountsDir string) (string, error) {
return a.plugin.getDeviceMountPath(spec)
}
// MountDevice is part of the volume.Attacher interface
func (a *attacherDefaults) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string, mounter mount.Interface) error {
glog.Warning(logPrefix(a.plugin.flexVolumePlugin), "using default MountDevice for volume ", spec.Name(), ", device ", devicePath, ", deviceMountPath ", deviceMountPath)
volSourceFSType, err := getFSType(spec)
if err != nil {
return err
}
readOnly, err := getReadOnly(spec)
if err != nil {
return err
}
options := make([]string, 0)
if readOnly {
options = append(options, "ro")
} else {
options = append(options, "rw")
}
diskMounter := &mount.SafeFormatAndMount{Interface: mounter, Exec: a.plugin.host.GetExec(a.plugin.GetPluginName())}
return diskMounter.FormatAndMount(devicePath, deviceMountPath, volSourceFSType, options)
}

121
vendor/k8s.io/kubernetes/pkg/volume/flexvolume/attacher.go generated vendored
View File

@ -1,121 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package flexvolume
import (
"time"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/volume"
)
type flexVolumeAttacher struct {
plugin *flexVolumeAttachablePlugin
}
var _ volume.Attacher = &flexVolumeAttacher{}
// Attach is part of the volume.Attacher interface
func (a *flexVolumeAttacher) Attach(spec *volume.Spec, hostName types.NodeName) (string, error) {
call := a.plugin.NewDriverCall(attachCmd)
call.AppendSpec(spec, a.plugin.host, nil)
call.Append(string(hostName))
status, err := call.Run()
if isCmdNotSupportedErr(err) {
return (*attacherDefaults)(a).Attach(spec, hostName)
} else if err != nil {
return "", err
}
return status.DevicePath, err
}
// WaitForAttach is part of the volume.Attacher interface
func (a *flexVolumeAttacher) WaitForAttach(spec *volume.Spec, devicePath string, _ *v1.Pod, timeout time.Duration) (string, error) {
call := a.plugin.NewDriverCallWithTimeout(waitForAttachCmd, timeout)
call.Append(devicePath)
call.AppendSpec(spec, a.plugin.host, nil)
status, err := call.Run()
if isCmdNotSupportedErr(err) {
return (*attacherDefaults)(a).WaitForAttach(spec, devicePath, timeout)
} else if err != nil {
return "", err
}
return status.DevicePath, nil
}
// GetDeviceMountPath is part of the volume.Attacher interface
func (a *flexVolumeAttacher) GetDeviceMountPath(spec *volume.Spec) (string, error) {
return a.plugin.getDeviceMountPath(spec)
}
// MountDevice is part of the volume.Attacher interface
func (a *flexVolumeAttacher) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string) error {
// Mount only once.
alreadyMounted, err := prepareForMount(a.plugin.host.GetMounter(a.plugin.GetPluginName()), deviceMountPath)
if err != nil {
return err
}
if alreadyMounted {
return nil
}
call := a.plugin.NewDriverCall(mountDeviceCmd)
call.Append(deviceMountPath)
call.Append(devicePath)
call.AppendSpec(spec, a.plugin.host, nil)
_, err = call.Run()
if isCmdNotSupportedErr(err) {
// Devicepath is empty if the plugin does not support attach calls. Ignore mountDevice calls if the
// plugin does not implement attach interface.
if devicePath != "" {
return (*attacherDefaults)(a).MountDevice(spec, devicePath, deviceMountPath, a.plugin.host.GetMounter(a.plugin.GetPluginName()))
} else {
return nil
}
}
return err
}
func (a *flexVolumeAttacher) VolumesAreAttached(specs []*volume.Spec, nodeName types.NodeName) (map[*volume.Spec]bool, error) {
volumesAttachedCheck := make(map[*volume.Spec]bool)
for _, spec := range specs {
volumesAttachedCheck[spec] = true
call := a.plugin.NewDriverCall(isAttached)
call.AppendSpec(spec, a.plugin.host, nil)
call.Append(string(nodeName))
status, err := call.Run()
if isCmdNotSupportedErr(err) {
return nil, nil
} else if err == nil {
if !status.Attached {
volumesAttachedCheck[spec] = false
glog.V(2).Infof("VolumesAreAttached: check volume (%q) is no longer attached", spec.Name())
}
} else {
return nil, err
}
}
return volumesAttachedCheck, nil
}

76
vendor/k8s.io/kubernetes/pkg/volume/flexvolume/attacher_test.go generated vendored
View File

@ -1,76 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package flexvolume
import (
"testing"
"time"
"k8s.io/api/core/v1"
"k8s.io/kubernetes/pkg/volume"
)
func TestAttach(t *testing.T) {
spec := fakeVolumeSpec()
plugin, _ := testPlugin()
plugin.runner = fakeRunner(
assertDriverCall(t, notSupportedOutput(), attachCmd,
specJson(plugin, spec, nil), "localhost"),
)
a, _ := plugin.NewAttacher()
a.Attach(spec, "localhost")
}
func TestWaitForAttach(t *testing.T) {
spec := fakeVolumeSpec()
var pod *v1.Pod
plugin, _ := testPlugin()
plugin.runner = fakeRunner(
assertDriverCall(t, notSupportedOutput(), waitForAttachCmd, "/dev/sdx",
specJson(plugin, spec, nil)),
)
a, _ := plugin.NewAttacher()
a.WaitForAttach(spec, "/dev/sdx", pod, 1*time.Second)
}
func TestMountDevice(t *testing.T) {
spec := fakeVolumeSpec()
plugin, rootDir := testPlugin()
plugin.runner = fakeRunner(
assertDriverCall(t, notSupportedOutput(), mountDeviceCmd, rootDir+"/mount-dir", "/dev/sdx",
specJson(plugin, spec, nil)),
)
a, _ := plugin.NewAttacher()
a.MountDevice(spec, "/dev/sdx", rootDir+"/mount-dir")
}
func TestIsVolumeAttached(t *testing.T) {
spec := fakeVolumeSpec()
plugin, _ := testPlugin()
plugin.runner = fakeRunner(
assertDriverCall(t, notSupportedOutput(), isAttached, specJson(plugin, spec, nil), "localhost"),
)
a, _ := plugin.NewAttacher()
specs := []*volume.Spec{spec}
a.VolumesAreAttached(specs, "localhost")
}

142
vendor/k8s.io/kubernetes/pkg/volume/flexvolume/common_test.go generated vendored
View File

@ -1,142 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package flexvolume
import (
"encoding/json"
"testing"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/volume"
volumetesting "k8s.io/kubernetes/pkg/volume/testing"
"k8s.io/utils/exec"
fakeexec "k8s.io/utils/exec/testing"
)
func testPlugin() (*flexVolumeAttachablePlugin, string) {
rootDir, err := utiltesting.MkTmpdir("flexvolume_test")
if err != nil {
panic("error creating temp dir: " + err.Error())
}
return &flexVolumeAttachablePlugin{
flexVolumePlugin: &flexVolumePlugin{
driverName: "test",
execPath: "/plugin",
host: volumetesting.NewFakeVolumeHost(rootDir, nil, nil),
unsupportedCommands: []string{},
},
}, rootDir
}
func assertDriverCall(t *testing.T, output fakeexec.FakeCombinedOutputAction, expectedCommand string, expectedArgs ...string) fakeexec.FakeCommandAction {
return func(cmd string, args ...string) exec.Cmd {
if cmd != "/plugin/test" {
t.Errorf("Wrong executable called: got %v, expected %v", cmd, "/plugin/test")
}
if args[0] != expectedCommand {
t.Errorf("Wrong command called: got %v, expected %v", args[0], expectedCommand)
}
cmdArgs := args[1:]
if !sameArgs(cmdArgs, expectedArgs) {
t.Errorf("Wrong args for %s: got %v, expected %v", args[0], cmdArgs, expectedArgs)
}
return &fakeexec.FakeCmd{
Argv: args,
CombinedOutputScript: []fakeexec.FakeCombinedOutputAction{output},
}
}
}
func fakeRunner(fakeCommands ...fakeexec.FakeCommandAction) exec.Interface {
return &fakeexec.FakeExec{
CommandScript: fakeCommands,
}
}
func fakeResultOutput(result interface{}) fakeexec.FakeCombinedOutputAction {
return func() ([]byte, error) {
bytes, err := json.Marshal(result)
if err != nil {
panic("Unable to marshal result: " + err.Error())
}
return bytes, nil
}
}
func successOutput() fakeexec.FakeCombinedOutputAction {
return fakeResultOutput(&DriverStatus{StatusSuccess, "", "", "", true, nil})
}
func notSupportedOutput() fakeexec.FakeCombinedOutputAction {
return fakeResultOutput(&DriverStatus{StatusNotSupported, "", "", "", false, nil})
}
func sameArgs(args, expectedArgs []string) bool {
if len(args) != len(expectedArgs) {
return false
}
for i, v := range args {
if v != expectedArgs[i] {
return false
}
}
return true
}
func fakeVolumeSpec() *volume.Spec {
vol := &v1.Volume{
Name: "vol1",
VolumeSource: v1.VolumeSource{
FlexVolume: &v1.FlexVolumeSource{
Driver: "kubernetes.io/fakeAttacher",
ReadOnly: false,
},
},
}
return volume.NewSpecFromVolume(vol)
}
func fakePersistentVolumeSpec() *volume.Spec {
vol := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: "vol1",
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
FlexVolume: &v1.FlexPersistentVolumeSource{
Driver: "kubernetes.io/fakeAttacher",
ReadOnly: false,
},
},
},
}
return volume.NewSpecFromPersistentVolume(vol, false)
}
func specJson(plugin *flexVolumeAttachablePlugin, spec *volume.Spec, extraOptions map[string]string) string {
o, err := NewOptionsForDriver(spec, plugin.host, extraOptions)
if err != nil {
panic("Failed to convert spec: " + err.Error())
}
bytes, err := json.Marshal(o)
if err != nil {
panic("Unable to marshal result: " + err.Error())
}
return string(bytes)
}

45
vendor/k8s.io/kubernetes/pkg/volume/flexvolume/detacher-defaults.go generated vendored
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@ -1,45 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package flexvolume
import (
"time"
"github.com/golang/glog"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/volume/util"
)
type detacherDefaults flexVolumeDetacher
// Detach is part of the volume.Detacher interface.
func (d *detacherDefaults) Detach(volumeName string, hostName types.NodeName) error {
glog.Warning(logPrefix(d.plugin.flexVolumePlugin), "using default Detach for volume ", volumeName, ", host ", hostName)
return nil
}
// WaitForDetach is part of the volume.Detacher interface.
func (d *detacherDefaults) WaitForDetach(devicePath string, timeout time.Duration) error {
glog.Warning(logPrefix(d.plugin.flexVolumePlugin), "using default WaitForDetach for device ", devicePath)
return nil
}
// UnmountDevice is part of the volume.Detacher interface.
func (d *detacherDefaults) UnmountDevice(deviceMountPath string) error {
glog.Warning(logPrefix(d.plugin.flexVolumePlugin), "using default UnmountDevice for device mount path ", deviceMountPath)
return util.UnmountPath(deviceMountPath, d.plugin.host.GetMounter(d.plugin.GetPluginName()))
}

85
vendor/k8s.io/kubernetes/pkg/volume/flexvolume/detacher.go generated vendored
View File

@ -1,85 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package flexvolume
import (
"fmt"
"os"
"github.com/golang/glog"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/volume"
"k8s.io/kubernetes/pkg/volume/util"
)
type flexVolumeDetacher struct {
plugin *flexVolumeAttachablePlugin
}
var _ volume.Detacher = &flexVolumeDetacher{}
// Detach is part of the volume.Detacher interface.
func (d *flexVolumeDetacher) Detach(volumeName string, hostName types.NodeName) error {
call := d.plugin.NewDriverCall(detachCmd)
call.Append(volumeName)
call.Append(string(hostName))
_, err := call.Run()
if isCmdNotSupportedErr(err) {
return (*detacherDefaults)(d).Detach(volumeName, hostName)
}
return err
}
// UnmountDevice is part of the volume.Detacher interface.
func (d *flexVolumeDetacher) UnmountDevice(deviceMountPath string) error {
if pathExists, pathErr := util.PathExists(deviceMountPath); pathErr != nil {
return fmt.Errorf("Error checking if path exists: %v", pathErr)
} else if !pathExists {
glog.Warningf("Warning: Unmount skipped because path does not exist: %v", deviceMountPath)
return nil
}
notmnt, err := isNotMounted(d.plugin.host.GetMounter(d.plugin.GetPluginName()), deviceMountPath)
if err != nil {
return err
}
if notmnt {
glog.Warningf("Warning: Path: %v already unmounted", deviceMountPath)
} else {
call := d.plugin.NewDriverCall(unmountDeviceCmd)
call.Append(deviceMountPath)
_, err := call.Run()
if isCmdNotSupportedErr(err) {
err = (*detacherDefaults)(d).UnmountDevice(deviceMountPath)
}
if err != nil {
return err
}
}
// Flexvolume driver may remove the directory. Ignore if it does.
if pathExists, pathErr := util.PathExists(deviceMountPath); pathErr != nil {
return fmt.Errorf("Error checking if path exists: %v", pathErr)
} else if !pathExists {
return nil
}
return os.Remove(deviceMountPath)
}

43
vendor/k8s.io/kubernetes/pkg/volume/flexvolume/detacher_test.go generated vendored
View File

@ -1,43 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package flexvolume
import (
"testing"
)
func TestDetach(t *testing.T) {
plugin, _ := testPlugin()
plugin.runner = fakeRunner(
assertDriverCall(t, notSupportedOutput(), detachCmd,
"sdx", "localhost"),
)
d, _ := plugin.NewDetacher()
d.Detach("sdx", "localhost")
}
func TestUnmountDevice(t *testing.T) {
plugin, rootDir := testPlugin()
plugin.runner = fakeRunner(
assertDriverCall(t, notSupportedOutput(), unmountDeviceCmd,
rootDir+"/mount-dir"),
)
d, _ := plugin.NewDetacher()
d.UnmountDevice(rootDir + "/mount-dir")
}

263
vendor/k8s.io/kubernetes/pkg/volume/flexvolume/driver-call.go generated vendored
View File

@ -1,263 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package flexvolume
import (
"encoding/json"
"errors"
"fmt"
"time"
"github.com/golang/glog"
"k8s.io/kubernetes/pkg/volume"
)
const (
// Driver calls
initCmd = "init"
getVolumeNameCmd = "getvolumename"
isAttached = "isattached"
attachCmd = "attach"
waitForAttachCmd = "waitforattach"
mountDeviceCmd = "mountdevice"
detachCmd = "detach"
unmountDeviceCmd = "unmountdevice"
mountCmd = "mount"
unmountCmd = "unmount"
// Option keys
optionFSType = "kubernetes.io/fsType"
optionReadWrite = "kubernetes.io/readwrite"
optionKeySecret = "kubernetes.io/secret"
optionFSGroup = "kubernetes.io/fsGroup"
optionMountsDir = "kubernetes.io/mountsDir"
optionPVorVolumeName = "kubernetes.io/pvOrVolumeName"
optionKeyPodName = "kubernetes.io/pod.name"
optionKeyPodNamespace = "kubernetes.io/pod.namespace"
optionKeyPodUID = "kubernetes.io/pod.uid"
optionKeyServiceAccountName = "kubernetes.io/serviceAccount.name"
)
const (
// StatusSuccess represents the successful completion of command.
StatusSuccess = "Success"
// StatusNotSupported represents that the command is not supported.
StatusNotSupported = "Not supported"
)
var (
TimeoutError = fmt.Errorf("Timeout")
)
// DriverCall implements the basic contract between FlexVolume and its driver.
// The caller is responsible for providing the required args.
type DriverCall struct {
Command string
Timeout time.Duration
plugin *flexVolumePlugin
args []string
}
func (plugin *flexVolumePlugin) NewDriverCall(command string) *DriverCall {
return plugin.NewDriverCallWithTimeout(command, 0)
}
func (plugin *flexVolumePlugin) NewDriverCallWithTimeout(command string, timeout time.Duration) *DriverCall {
return &DriverCall{
Command: command,
Timeout: timeout,
plugin: plugin,
args: []string{command},
}
}
func (dc *DriverCall) Append(arg string) {
dc.args = append(dc.args, arg)
}
func (dc *DriverCall) AppendSpec(spec *volume.Spec, host volume.VolumeHost, extraOptions map[string]string) error {
optionsForDriver, err := NewOptionsForDriver(spec, host, extraOptions)
if err != nil {
return err
}
jsonBytes, err := json.Marshal(optionsForDriver)
if err != nil {
return fmt.Errorf("Failed to marshal spec, error: %s", err.Error())
}
dc.Append(string(jsonBytes))
return nil
}
func (dc *DriverCall) Run() (*DriverStatus, error) {
if dc.plugin.isUnsupported(dc.Command) {
return nil, errors.New(StatusNotSupported)
}
execPath := dc.plugin.getExecutable()
cmd := dc.plugin.runner.Command(execPath, dc.args...)
timeout := false
if dc.Timeout > 0 {
timer := time.AfterFunc(dc.Timeout, func() {
timeout = true
cmd.Stop()
})
defer timer.Stop()
}
output, execErr := cmd.CombinedOutput()
if execErr != nil {
if timeout {
return nil, TimeoutError
}
_, err := handleCmdResponse(dc.Command, output)
if err == nil {
glog.Errorf("FlexVolume: driver bug: %s: exec error (%s) but no error in response.", execPath, execErr)
return nil, execErr
}
if isCmdNotSupportedErr(err) {
dc.plugin.unsupported(dc.Command)
} else {
glog.Warningf("FlexVolume: driver call failed: executable: %s, args: %s, error: %s, output: %q", execPath, dc.args, execErr.Error(), output)
}
return nil, err
}
status, err := handleCmdResponse(dc.Command, output)
if err != nil {
if isCmdNotSupportedErr(err) {
dc.plugin.unsupported(dc.Command)
}
return nil, err
}
return status, nil
}
// OptionsForDriver represents the spec given to the driver.
type OptionsForDriver map[string]string
func NewOptionsForDriver(spec *volume.Spec, host volume.VolumeHost, extraOptions map[string]string) (OptionsForDriver, error) {
volSourceFSType, err := getFSType(spec)
if err != nil {
return nil, err
}
readOnly, err := getReadOnly(spec)
if err != nil {
return nil, err
}
volSourceOptions, err := getOptions(spec)
if err != nil {
return nil, err
}
options := map[string]string{}
options[optionFSType] = volSourceFSType
if readOnly {
options[optionReadWrite] = "ro"
} else {
options[optionReadWrite] = "rw"
}
options[optionPVorVolumeName] = spec.Name()
for key, value := range extraOptions {
options[key] = value
}
for key, value := range volSourceOptions {
options[key] = value
}
return OptionsForDriver(options), nil
}
// DriverStatus represents the return value of the driver callout.
type DriverStatus struct {
// Status of the callout. One of "Success", "Failure" or "Not supported".
Status string `json:"status"`
// Reason for success/failure.
Message string `json:"message,omitempty"`
// Path to the device attached. This field is valid only for attach calls.
// ie: /dev/sdx
DevicePath string `json:"device,omitempty"`
// Cluster wide unique name of the volume.
VolumeName string `json:"volumeName,omitempty"`
// Represents volume is attached on the node
Attached bool `json:"attached,omitempty"`
// Returns capabilities of the driver.
// By default we assume all the capabilities are supported.
// If the plugin does not support a capability, it can return false for that capability.
Capabilities *DriverCapabilities `json:",omitempty"`
}
type DriverCapabilities struct {
Attach bool `json:"attach"`
SELinuxRelabel bool `json:"selinuxRelabel"`
}
func defaultCapabilities() *DriverCapabilities {
return &DriverCapabilities{
Attach: true,
SELinuxRelabel: true,
}
}
// isCmdNotSupportedErr checks if the error corresponds to command not supported by
// driver.
func isCmdNotSupportedErr(err error) bool {
if err != nil && err.Error() == StatusNotSupported {
return true
}
return false
}
// handleCmdResponse processes the command output and returns the appropriate
// error code or message.
func handleCmdResponse(cmd string, output []byte) (*DriverStatus, error) {
status := DriverStatus{
Capabilities: defaultCapabilities(),
}
if err := json.Unmarshal(output, &status); err != nil {
glog.Errorf("Failed to unmarshal output for command: %s, output: %q, error: %s", cmd, string(output), err.Error())
return nil, err
} else if status.Status == StatusNotSupported {
glog.V(5).Infof("%s command is not supported by the driver", cmd)
return nil, errors.New(status.Status)
} else if status.Status != StatusSuccess {
errMsg := fmt.Sprintf("%s command failed, status: %s, reason: %s", cmd, status.Status, status.Message)
glog.Errorf(errMsg)
return nil, fmt.Errorf("%s", errMsg)
}
return &status, nil
}

32
vendor/k8s.io/kubernetes/pkg/volume/flexvolume/driver-call_test.go generated vendored
View File

@ -1,32 +0,0 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package flexvolume
import (
"testing"
)
func TestHandleResponseDefaults(t *testing.T) {
ds, err := handleCmdResponse("test", []byte(`{"status": "Success"}`))
if err != nil {
t.Error("error: ", err)
}
if *ds.Capabilities != *defaultCapabilities() {
t.Error("wrong default capabilities: ", *ds.Capabilities)
}
}

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