mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-20 20:10:22 +00:00
1219 lines
35 KiB
Go
1219 lines
35 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package testing
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import (
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"fmt"
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"net"
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"os"
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"os/exec"
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"path"
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"strings"
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"sync"
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"testing"
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"time"
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authenticationv1 "k8s.io/api/authentication/v1"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/uuid"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/client-go/tools/record"
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utiltesting "k8s.io/client-go/util/testing"
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"k8s.io/kubernetes/pkg/cloudprovider"
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"k8s.io/kubernetes/pkg/util/io"
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"k8s.io/kubernetes/pkg/util/mount"
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utilstrings "k8s.io/kubernetes/pkg/util/strings"
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. "k8s.io/kubernetes/pkg/volume"
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"k8s.io/kubernetes/pkg/volume/util"
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"k8s.io/kubernetes/pkg/volume/util/recyclerclient"
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"k8s.io/kubernetes/pkg/volume/util/volumepathhandler"
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)
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// fakeVolumeHost is useful for testing volume plugins.
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type fakeVolumeHost struct {
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rootDir string
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kubeClient clientset.Interface
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pluginMgr VolumePluginMgr
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cloud cloudprovider.Interface
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mounter mount.Interface
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exec mount.Exec
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writer io.Writer
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nodeLabels map[string]string
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nodeName string
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}
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func NewFakeVolumeHost(rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin) *fakeVolumeHost {
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return newFakeVolumeHost(rootDir, kubeClient, plugins, nil)
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}
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func NewFakeVolumeHostWithCloudProvider(rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, cloud cloudprovider.Interface) *fakeVolumeHost {
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return newFakeVolumeHost(rootDir, kubeClient, plugins, cloud)
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}
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func NewFakeVolumeHostWithNodeLabels(rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, labels map[string]string) *fakeVolumeHost {
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volHost := newFakeVolumeHost(rootDir, kubeClient, plugins, nil)
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volHost.nodeLabels = labels
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return volHost
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}
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func NewFakeVolumeHostWithNodeName(rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, nodeName string) *fakeVolumeHost {
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volHost := newFakeVolumeHost(rootDir, kubeClient, plugins, nil)
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volHost.nodeName = nodeName
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return volHost
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}
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func newFakeVolumeHost(rootDir string, kubeClient clientset.Interface, plugins []VolumePlugin, cloud cloudprovider.Interface) *fakeVolumeHost {
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host := &fakeVolumeHost{rootDir: rootDir, kubeClient: kubeClient, cloud: cloud}
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host.mounter = &mount.FakeMounter{}
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host.writer = &io.StdWriter{}
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host.exec = mount.NewFakeExec(nil)
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host.pluginMgr.InitPlugins(plugins, nil /* prober */, host)
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return host
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}
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func (f *fakeVolumeHost) GetPluginDir(podUID string) string {
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return path.Join(f.rootDir, "plugins", podUID)
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}
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func (f *fakeVolumeHost) GetVolumeDevicePluginDir(pluginName string) string {
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return path.Join(f.rootDir, "plugins", pluginName, "volumeDevices")
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}
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func (f *fakeVolumeHost) GetPodsDir() string {
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return path.Join(f.rootDir, "pods")
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}
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func (f *fakeVolumeHost) GetPodVolumeDir(podUID types.UID, pluginName, volumeName string) string {
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return path.Join(f.rootDir, "pods", string(podUID), "volumes", pluginName, volumeName)
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}
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func (f *fakeVolumeHost) GetPodVolumeDeviceDir(podUID types.UID, pluginName string) string {
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return path.Join(f.rootDir, "pods", string(podUID), "volumeDevices", pluginName)
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}
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func (f *fakeVolumeHost) GetPodPluginDir(podUID types.UID, pluginName string) string {
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return path.Join(f.rootDir, "pods", string(podUID), "plugins", pluginName)
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}
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func (f *fakeVolumeHost) GetKubeClient() clientset.Interface {
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return f.kubeClient
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}
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func (f *fakeVolumeHost) GetCloudProvider() cloudprovider.Interface {
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return f.cloud
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}
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func (f *fakeVolumeHost) GetMounter(pluginName string) mount.Interface {
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return f.mounter
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}
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func (f *fakeVolumeHost) GetWriter() io.Writer {
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return f.writer
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}
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func (f *fakeVolumeHost) NewWrapperMounter(volName string, spec Spec, pod *v1.Pod, opts VolumeOptions) (Mounter, error) {
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// The name of wrapper volume is set to "wrapped_{wrapped_volume_name}"
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wrapperVolumeName := "wrapped_" + volName
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if spec.Volume != nil {
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spec.Volume.Name = wrapperVolumeName
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}
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plug, err := f.pluginMgr.FindPluginBySpec(&spec)
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if err != nil {
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return nil, err
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}
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return plug.NewMounter(&spec, pod, opts)
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}
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func (f *fakeVolumeHost) NewWrapperUnmounter(volName string, spec Spec, podUID types.UID) (Unmounter, error) {
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// The name of wrapper volume is set to "wrapped_{wrapped_volume_name}"
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wrapperVolumeName := "wrapped_" + volName
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if spec.Volume != nil {
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spec.Volume.Name = wrapperVolumeName
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}
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plug, err := f.pluginMgr.FindPluginBySpec(&spec)
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if err != nil {
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return nil, err
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}
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return plug.NewUnmounter(spec.Name(), podUID)
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}
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// Returns the hostname of the host kubelet is running on
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func (f *fakeVolumeHost) GetHostName() string {
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return "fakeHostName"
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}
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// Returns host IP or nil in the case of error.
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func (f *fakeVolumeHost) GetHostIP() (net.IP, error) {
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return nil, fmt.Errorf("GetHostIP() not implemented")
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}
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func (f *fakeVolumeHost) GetNodeAllocatable() (v1.ResourceList, error) {
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return v1.ResourceList{}, nil
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}
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func (f *fakeVolumeHost) GetSecretFunc() func(namespace, name string) (*v1.Secret, error) {
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return func(namespace, name string) (*v1.Secret, error) {
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return f.kubeClient.CoreV1().Secrets(namespace).Get(name, metav1.GetOptions{})
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}
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}
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func (f *fakeVolumeHost) GetExec(pluginName string) mount.Exec {
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return f.exec
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}
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func (f *fakeVolumeHost) GetConfigMapFunc() func(namespace, name string) (*v1.ConfigMap, error) {
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return func(namespace, name string) (*v1.ConfigMap, error) {
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return f.kubeClient.CoreV1().ConfigMaps(namespace).Get(name, metav1.GetOptions{})
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}
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}
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func (f *fakeVolumeHost) GetServiceAccountTokenFunc() func(string, string, *authenticationv1.TokenRequest) (*authenticationv1.TokenRequest, error) {
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return func(namespace, name string, tr *authenticationv1.TokenRequest) (*authenticationv1.TokenRequest, error) {
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return f.kubeClient.CoreV1().ServiceAccounts(namespace).CreateToken(name, tr)
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}
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}
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func (f *fakeVolumeHost) GetNodeLabels() (map[string]string, error) {
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if f.nodeLabels == nil {
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f.nodeLabels = map[string]string{"test-label": "test-value"}
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}
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return f.nodeLabels, nil
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}
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func (f *fakeVolumeHost) GetNodeName() types.NodeName {
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return types.NodeName(f.nodeName)
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}
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func (f *fakeVolumeHost) GetEventRecorder() record.EventRecorder {
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return nil
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}
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func ProbeVolumePlugins(config VolumeConfig) []VolumePlugin {
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if _, ok := config.OtherAttributes["fake-property"]; ok {
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return []VolumePlugin{
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&FakeVolumePlugin{
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PluginName: "fake-plugin",
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Host: nil,
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// SomeFakeProperty: config.OtherAttributes["fake-property"] -- string, may require parsing by plugin
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},
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}
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}
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return []VolumePlugin{&FakeVolumePlugin{PluginName: "fake-plugin"}}
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}
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// FakeVolumePlugin is useful for testing. It tries to be a fully compliant
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// plugin, but all it does is make empty directories.
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// Use as:
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// volume.RegisterPlugin(&FakePlugin{"fake-name"})
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type FakeVolumePlugin struct {
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sync.RWMutex
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PluginName string
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Host VolumeHost
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Config VolumeConfig
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LastProvisionerOptions VolumeOptions
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NewAttacherCallCount int
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NewDetacherCallCount int
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Mounters []*FakeVolume
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Unmounters []*FakeVolume
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Attachers []*FakeVolume
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Detachers []*FakeVolume
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BlockVolumeMappers []*FakeVolume
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BlockVolumeUnmappers []*FakeVolume
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}
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var _ VolumePlugin = &FakeVolumePlugin{}
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var _ BlockVolumePlugin = &FakeVolumePlugin{}
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var _ RecyclableVolumePlugin = &FakeVolumePlugin{}
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var _ DeletableVolumePlugin = &FakeVolumePlugin{}
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var _ ProvisionableVolumePlugin = &FakeVolumePlugin{}
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var _ AttachableVolumePlugin = &FakeVolumePlugin{}
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func (plugin *FakeVolumePlugin) getFakeVolume(list *[]*FakeVolume) *FakeVolume {
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volume := &FakeVolume{}
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*list = append(*list, volume)
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return volume
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}
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func (plugin *FakeVolumePlugin) Init(host VolumeHost) error {
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plugin.Lock()
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defer plugin.Unlock()
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plugin.Host = host
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return nil
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}
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func (plugin *FakeVolumePlugin) GetPluginName() string {
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plugin.RLock()
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defer plugin.RUnlock()
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return plugin.PluginName
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}
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func (plugin *FakeVolumePlugin) GetVolumeName(spec *Spec) (string, error) {
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var volumeName string
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if spec.Volume != nil && spec.Volume.GCEPersistentDisk != nil {
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volumeName = spec.Volume.GCEPersistentDisk.PDName
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} else if spec.PersistentVolume != nil &&
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spec.PersistentVolume.Spec.GCEPersistentDisk != nil {
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volumeName = spec.PersistentVolume.Spec.GCEPersistentDisk.PDName
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}
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if volumeName == "" {
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volumeName = spec.Name()
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}
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return volumeName, nil
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}
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func (plugin *FakeVolumePlugin) CanSupport(spec *Spec) bool {
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// TODO: maybe pattern-match on spec.Name() to decide?
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return true
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}
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func (plugin *FakeVolumePlugin) RequiresRemount() bool {
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return false
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}
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func (plugin *FakeVolumePlugin) SupportsMountOption() bool {
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return true
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}
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func (plugin *FakeVolumePlugin) SupportsBulkVolumeVerification() bool {
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return false
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}
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func (plugin *FakeVolumePlugin) NewMounter(spec *Spec, pod *v1.Pod, opts VolumeOptions) (Mounter, error) {
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plugin.Lock()
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defer plugin.Unlock()
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volume := plugin.getFakeVolume(&plugin.Mounters)
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volume.PodUID = pod.UID
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volume.VolName = spec.Name()
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volume.Plugin = plugin
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volume.MetricsNil = MetricsNil{}
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return volume, nil
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}
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func (plugin *FakeVolumePlugin) GetMounters() (Mounters []*FakeVolume) {
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plugin.RLock()
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defer plugin.RUnlock()
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return plugin.Mounters
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}
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func (plugin *FakeVolumePlugin) NewUnmounter(volName string, podUID types.UID) (Unmounter, error) {
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plugin.Lock()
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defer plugin.Unlock()
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volume := plugin.getFakeVolume(&plugin.Unmounters)
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volume.PodUID = podUID
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volume.VolName = volName
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volume.Plugin = plugin
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volume.MetricsNil = MetricsNil{}
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return volume, nil
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}
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func (plugin *FakeVolumePlugin) GetUnmounters() (Unmounters []*FakeVolume) {
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plugin.RLock()
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defer plugin.RUnlock()
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return plugin.Unmounters
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}
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// Block volume support
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func (plugin *FakeVolumePlugin) NewBlockVolumeMapper(spec *Spec, pod *v1.Pod, opts VolumeOptions) (BlockVolumeMapper, error) {
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plugin.Lock()
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defer plugin.Unlock()
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volume := plugin.getFakeVolume(&plugin.BlockVolumeMappers)
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if pod != nil {
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volume.PodUID = pod.UID
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}
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volume.VolName = spec.Name()
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volume.Plugin = plugin
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return volume, nil
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}
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// Block volume support
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func (plugin *FakeVolumePlugin) GetBlockVolumeMapper() (BlockVolumeMappers []*FakeVolume) {
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plugin.RLock()
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defer plugin.RUnlock()
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return plugin.BlockVolumeMappers
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}
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// Block volume support
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func (plugin *FakeVolumePlugin) NewBlockVolumeUnmapper(volName string, podUID types.UID) (BlockVolumeUnmapper, error) {
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plugin.Lock()
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defer plugin.Unlock()
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volume := plugin.getFakeVolume(&plugin.BlockVolumeUnmappers)
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volume.PodUID = podUID
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volume.VolName = volName
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volume.Plugin = plugin
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return volume, nil
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}
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// Block volume support
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func (plugin *FakeVolumePlugin) GetBlockVolumeUnmapper() (BlockVolumeUnmappers []*FakeVolume) {
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plugin.RLock()
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defer plugin.RUnlock()
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return plugin.BlockVolumeUnmappers
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}
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func (plugin *FakeVolumePlugin) NewAttacher() (Attacher, error) {
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plugin.Lock()
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defer plugin.Unlock()
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plugin.NewAttacherCallCount = plugin.NewAttacherCallCount + 1
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return plugin.getFakeVolume(&plugin.Attachers), nil
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}
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func (plugin *FakeVolumePlugin) GetAttachers() (Attachers []*FakeVolume) {
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plugin.RLock()
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defer plugin.RUnlock()
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return plugin.Attachers
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}
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func (plugin *FakeVolumePlugin) GetNewAttacherCallCount() int {
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plugin.RLock()
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defer plugin.RUnlock()
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return plugin.NewAttacherCallCount
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}
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func (plugin *FakeVolumePlugin) NewDetacher() (Detacher, error) {
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plugin.Lock()
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defer plugin.Unlock()
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plugin.NewDetacherCallCount = plugin.NewDetacherCallCount + 1
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return plugin.getFakeVolume(&plugin.Detachers), nil
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}
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func (plugin *FakeVolumePlugin) GetDetachers() (Detachers []*FakeVolume) {
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plugin.RLock()
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defer plugin.RUnlock()
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return plugin.Detachers
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}
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func (plugin *FakeVolumePlugin) GetNewDetacherCallCount() int {
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plugin.RLock()
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defer plugin.RUnlock()
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return plugin.NewDetacherCallCount
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}
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func (plugin *FakeVolumePlugin) Recycle(pvName string, spec *Spec, eventRecorder recyclerclient.RecycleEventRecorder) error {
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return nil
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}
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func (plugin *FakeVolumePlugin) NewDeleter(spec *Spec) (Deleter, error) {
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return &FakeDeleter{"/attributesTransferredFromSpec", MetricsNil{}}, nil
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}
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func (plugin *FakeVolumePlugin) NewProvisioner(options VolumeOptions) (Provisioner, error) {
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plugin.Lock()
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defer plugin.Unlock()
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plugin.LastProvisionerOptions = options
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return &FakeProvisioner{options, plugin.Host}, nil
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}
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func (plugin *FakeVolumePlugin) GetAccessModes() []v1.PersistentVolumeAccessMode {
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return []v1.PersistentVolumeAccessMode{}
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}
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func (plugin *FakeVolumePlugin) ConstructVolumeSpec(volumeName, mountPath string) (*Spec, error) {
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return &Spec{
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Volume: &v1.Volume{
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Name: volumeName,
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},
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}, nil
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}
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// Block volume support
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func (plugin *FakeVolumePlugin) ConstructBlockVolumeSpec(podUID types.UID, volumeName, mountPath string) (*Spec, error) {
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return &Spec{
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Volume: &v1.Volume{
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Name: volumeName,
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},
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}, nil
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}
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func (plugin *FakeVolumePlugin) GetDeviceMountRefs(deviceMountPath string) ([]string, error) {
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return []string{}, nil
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}
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// Expandable volume support
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func (plugin *FakeVolumePlugin) ExpandVolumeDevice(spec *Spec, newSize resource.Quantity, oldSize resource.Quantity) (resource.Quantity, error) {
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return resource.Quantity{}, nil
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}
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func (plugin *FakeVolumePlugin) RequiresFSResize() bool {
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return true
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}
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type FakeFileVolumePlugin struct {
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}
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func (plugin *FakeFileVolumePlugin) Init(host VolumeHost) error {
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return nil
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}
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func (plugin *FakeFileVolumePlugin) GetPluginName() string {
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return "fake-file-plugin"
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}
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func (plugin *FakeFileVolumePlugin) GetVolumeName(spec *Spec) (string, error) {
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return "", nil
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}
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func (plugin *FakeFileVolumePlugin) CanSupport(spec *Spec) bool {
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return true
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}
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func (plugin *FakeFileVolumePlugin) RequiresRemount() bool {
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return false
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}
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func (plugin *FakeFileVolumePlugin) SupportsMountOption() bool {
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return false
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}
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func (plugin *FakeFileVolumePlugin) SupportsBulkVolumeVerification() bool {
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return false
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}
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func (plugin *FakeFileVolumePlugin) NewMounter(spec *Spec, podRef *v1.Pod, opts VolumeOptions) (Mounter, error) {
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return nil, nil
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}
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func (plugin *FakeFileVolumePlugin) NewUnmounter(name string, podUID types.UID) (Unmounter, error) {
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return nil, nil
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}
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func (plugin *FakeFileVolumePlugin) ConstructVolumeSpec(volumeName, mountPath string) (*Spec, error) {
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return nil, nil
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}
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|
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func NewFakeFileVolumePlugin() []VolumePlugin {
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return []VolumePlugin{&FakeFileVolumePlugin{}}
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}
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type FakeVolume struct {
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sync.RWMutex
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PodUID types.UID
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VolName string
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Plugin *FakeVolumePlugin
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MetricsNil
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|
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SetUpCallCount int
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TearDownCallCount int
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AttachCallCount int
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DetachCallCount int
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WaitForAttachCallCount int
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MountDeviceCallCount int
|
|
UnmountDeviceCallCount int
|
|
GetDeviceMountPathCallCount int
|
|
SetUpDeviceCallCount int
|
|
TearDownDeviceCallCount int
|
|
MapDeviceCallCount int
|
|
GlobalMapPathCallCount int
|
|
PodDeviceMapPathCallCount int
|
|
}
|
|
|
|
func (_ *FakeVolume) GetAttributes() Attributes {
|
|
return Attributes{
|
|
ReadOnly: false,
|
|
Managed: true,
|
|
SupportsSELinux: true,
|
|
}
|
|
}
|
|
|
|
func (fv *FakeVolume) CanMount() error {
|
|
return nil
|
|
}
|
|
|
|
func (fv *FakeVolume) SetUp(fsGroup *int64) error {
|
|
fv.Lock()
|
|
defer fv.Unlock()
|
|
fv.SetUpCallCount++
|
|
return fv.SetUpAt(fv.getPath(), fsGroup)
|
|
}
|
|
|
|
func (fv *FakeVolume) GetSetUpCallCount() int {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
return fv.SetUpCallCount
|
|
}
|
|
|
|
func (fv *FakeVolume) SetUpAt(dir string, fsGroup *int64) error {
|
|
return os.MkdirAll(dir, 0750)
|
|
}
|
|
|
|
func (fv *FakeVolume) GetPath() string {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
return fv.getPath()
|
|
}
|
|
|
|
func (fv *FakeVolume) getPath() string {
|
|
return path.Join(fv.Plugin.Host.GetPodVolumeDir(fv.PodUID, utilstrings.EscapeQualifiedNameForDisk(fv.Plugin.PluginName), fv.VolName))
|
|
}
|
|
|
|
func (fv *FakeVolume) TearDown() error {
|
|
fv.Lock()
|
|
defer fv.Unlock()
|
|
fv.TearDownCallCount++
|
|
return fv.TearDownAt(fv.getPath())
|
|
}
|
|
|
|
func (fv *FakeVolume) GetTearDownCallCount() int {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
return fv.TearDownCallCount
|
|
}
|
|
|
|
func (fv *FakeVolume) TearDownAt(dir string) error {
|
|
return os.RemoveAll(dir)
|
|
}
|
|
|
|
// Block volume support
|
|
func (fv *FakeVolume) SetUpDevice() (string, error) {
|
|
fv.Lock()
|
|
defer fv.Unlock()
|
|
fv.SetUpDeviceCallCount++
|
|
return "", nil
|
|
}
|
|
|
|
// Block volume support
|
|
func (fv *FakeVolume) GetSetUpDeviceCallCount() int {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
return fv.SetUpDeviceCallCount
|
|
}
|
|
|
|
// Block volume support
|
|
func (fv *FakeVolume) GetGlobalMapPath(spec *Spec) (string, error) {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
fv.GlobalMapPathCallCount++
|
|
return fv.getGlobalMapPath()
|
|
}
|
|
|
|
// Block volume support
|
|
func (fv *FakeVolume) getGlobalMapPath() (string, error) {
|
|
return path.Join(fv.Plugin.Host.GetVolumeDevicePluginDir(utilstrings.EscapeQualifiedNameForDisk(fv.Plugin.PluginName)), "pluginDependentPath"), nil
|
|
}
|
|
|
|
// Block volume support
|
|
func (fv *FakeVolume) GetGlobalMapPathCallCount() int {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
return fv.GlobalMapPathCallCount
|
|
}
|
|
|
|
// Block volume support
|
|
func (fv *FakeVolume) GetPodDeviceMapPath() (string, string) {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
fv.PodDeviceMapPathCallCount++
|
|
return fv.getPodDeviceMapPath()
|
|
}
|
|
|
|
// Block volume support
|
|
func (fv *FakeVolume) getPodDeviceMapPath() (string, string) {
|
|
return path.Join(fv.Plugin.Host.GetPodVolumeDeviceDir(fv.PodUID, utilstrings.EscapeQualifiedNameForDisk(fv.Plugin.PluginName))), fv.VolName
|
|
}
|
|
|
|
// Block volume support
|
|
func (fv *FakeVolume) GetPodDeviceMapPathCallCount() int {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
return fv.PodDeviceMapPathCallCount
|
|
}
|
|
|
|
// Block volume support
|
|
func (fv *FakeVolume) TearDownDevice(mapPath string, devicePath string) error {
|
|
fv.Lock()
|
|
defer fv.Unlock()
|
|
fv.TearDownDeviceCallCount++
|
|
return nil
|
|
}
|
|
|
|
// Block volume support
|
|
func (fv *FakeVolume) GetTearDownDeviceCallCount() int {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
return fv.TearDownDeviceCallCount
|
|
}
|
|
|
|
// Block volume support
|
|
func (fv *FakeVolume) MapDevice(devicePath, globalMapPath, volumeMapPath, volumeMapName string, pod types.UID) error {
|
|
fv.Lock()
|
|
defer fv.Unlock()
|
|
fv.MapDeviceCallCount++
|
|
return nil
|
|
}
|
|
|
|
// Block volume support
|
|
func (fv *FakeVolume) GetMapDeviceCallCount() int {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
return fv.MapDeviceCallCount
|
|
}
|
|
|
|
func (fv *FakeVolume) Attach(spec *Spec, nodeName types.NodeName) (string, error) {
|
|
fv.Lock()
|
|
defer fv.Unlock()
|
|
fv.AttachCallCount++
|
|
return "/dev/vdb-test", nil
|
|
}
|
|
|
|
func (fv *FakeVolume) GetAttachCallCount() int {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
return fv.AttachCallCount
|
|
}
|
|
|
|
func (fv *FakeVolume) WaitForAttach(spec *Spec, devicePath string, pod *v1.Pod, spectimeout time.Duration) (string, error) {
|
|
fv.Lock()
|
|
defer fv.Unlock()
|
|
fv.WaitForAttachCallCount++
|
|
return "/dev/sdb", nil
|
|
}
|
|
|
|
func (fv *FakeVolume) GetWaitForAttachCallCount() int {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
return fv.WaitForAttachCallCount
|
|
}
|
|
|
|
func (fv *FakeVolume) GetDeviceMountPath(spec *Spec) (string, error) {
|
|
fv.Lock()
|
|
defer fv.Unlock()
|
|
fv.GetDeviceMountPathCallCount++
|
|
return "", nil
|
|
}
|
|
|
|
func (fv *FakeVolume) MountDevice(spec *Spec, devicePath string, deviceMountPath string) error {
|
|
fv.Lock()
|
|
defer fv.Unlock()
|
|
fv.MountDeviceCallCount++
|
|
return nil
|
|
}
|
|
|
|
func (fv *FakeVolume) GetMountDeviceCallCount() int {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
return fv.MountDeviceCallCount
|
|
}
|
|
|
|
func (fv *FakeVolume) Detach(volumeName string, nodeName types.NodeName) error {
|
|
fv.Lock()
|
|
defer fv.Unlock()
|
|
fv.DetachCallCount++
|
|
return nil
|
|
}
|
|
|
|
func (fv *FakeVolume) VolumesAreAttached(spec []*Spec, nodeName types.NodeName) (map[*Spec]bool, error) {
|
|
fv.Lock()
|
|
defer fv.Unlock()
|
|
return nil, nil
|
|
}
|
|
|
|
func (fv *FakeVolume) GetDetachCallCount() int {
|
|
fv.RLock()
|
|
defer fv.RUnlock()
|
|
return fv.DetachCallCount
|
|
}
|
|
|
|
func (fv *FakeVolume) UnmountDevice(globalMountPath string) error {
|
|
fv.Lock()
|
|
defer fv.Unlock()
|
|
fv.UnmountDeviceCallCount++
|
|
return nil
|
|
}
|
|
|
|
type FakeDeleter struct {
|
|
path string
|
|
MetricsNil
|
|
}
|
|
|
|
func (fd *FakeDeleter) Delete() error {
|
|
// nil is success, else error
|
|
return nil
|
|
}
|
|
|
|
func (fd *FakeDeleter) GetPath() string {
|
|
return fd.path
|
|
}
|
|
|
|
type FakeProvisioner struct {
|
|
Options VolumeOptions
|
|
Host VolumeHost
|
|
}
|
|
|
|
func (fc *FakeProvisioner) Provision(selectedNode *v1.Node, allowedTopologies []v1.TopologySelectorTerm) (*v1.PersistentVolume, error) {
|
|
fullpath := fmt.Sprintf("/tmp/hostpath_pv/%s", uuid.NewUUID())
|
|
|
|
pv := &v1.PersistentVolume{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: fc.Options.PVName,
|
|
Annotations: map[string]string{
|
|
util.VolumeDynamicallyCreatedByKey: "fakeplugin-provisioner",
|
|
},
|
|
},
|
|
Spec: v1.PersistentVolumeSpec{
|
|
PersistentVolumeReclaimPolicy: fc.Options.PersistentVolumeReclaimPolicy,
|
|
AccessModes: fc.Options.PVC.Spec.AccessModes,
|
|
Capacity: v1.ResourceList{
|
|
v1.ResourceName(v1.ResourceStorage): fc.Options.PVC.Spec.Resources.Requests[v1.ResourceName(v1.ResourceStorage)],
|
|
},
|
|
PersistentVolumeSource: v1.PersistentVolumeSource{
|
|
HostPath: &v1.HostPathVolumeSource{
|
|
Path: fullpath,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
return pv, nil
|
|
}
|
|
|
|
var _ volumepathhandler.BlockVolumePathHandler = &FakeVolumePathHandler{}
|
|
|
|
//NewDeviceHandler Create a new IoHandler implementation
|
|
func NewBlockVolumePathHandler() volumepathhandler.BlockVolumePathHandler {
|
|
return &FakeVolumePathHandler{}
|
|
}
|
|
|
|
type FakeVolumePathHandler struct {
|
|
sync.RWMutex
|
|
}
|
|
|
|
func (fv *FakeVolumePathHandler) MapDevice(devicePath string, mapDir string, linkName string) error {
|
|
// nil is success, else error
|
|
return nil
|
|
}
|
|
|
|
func (fv *FakeVolumePathHandler) UnmapDevice(mapDir string, linkName string) error {
|
|
// nil is success, else error
|
|
return nil
|
|
}
|
|
|
|
func (fv *FakeVolumePathHandler) RemoveMapPath(mapPath string) error {
|
|
// nil is success, else error
|
|
return nil
|
|
}
|
|
|
|
func (fv *FakeVolumePathHandler) IsSymlinkExist(mapPath string) (bool, error) {
|
|
// nil is success, else error
|
|
return true, nil
|
|
}
|
|
|
|
func (fv *FakeVolumePathHandler) GetDeviceSymlinkRefs(devPath string, mapPath string) ([]string, error) {
|
|
// nil is success, else error
|
|
return []string{}, nil
|
|
}
|
|
|
|
func (fv *FakeVolumePathHandler) FindGlobalMapPathUUIDFromPod(pluginDir, mapPath string, podUID types.UID) (string, error) {
|
|
// nil is success, else error
|
|
return "", nil
|
|
}
|
|
|
|
func (fv *FakeVolumePathHandler) AttachFileDevice(path string) (string, error) {
|
|
// nil is success, else error
|
|
return "", nil
|
|
}
|
|
|
|
func (fv *FakeVolumePathHandler) GetLoopDevice(path string) (string, error) {
|
|
// nil is success, else error
|
|
return "/dev/loop1", nil
|
|
}
|
|
|
|
func (fv *FakeVolumePathHandler) RemoveLoopDevice(device string) error {
|
|
// nil is success, else error
|
|
return nil
|
|
}
|
|
|
|
// FindEmptyDirectoryUsageOnTmpfs finds the expected usage of an empty directory existing on
|
|
// a tmpfs filesystem on this system.
|
|
func FindEmptyDirectoryUsageOnTmpfs() (*resource.Quantity, error) {
|
|
tmpDir, err := utiltesting.MkTmpdir("metrics_du_test")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer os.RemoveAll(tmpDir)
|
|
out, err := exec.Command("nice", "-n", "19", "du", "-s", "-B", "1", tmpDir).CombinedOutput()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed command 'du' on %s with error %v", tmpDir, err)
|
|
}
|
|
used, err := resource.ParseQuantity(strings.Fields(string(out))[0])
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to parse 'du' output %s due to error %v", out, err)
|
|
}
|
|
used.Format = resource.BinarySI
|
|
return &used, nil
|
|
}
|
|
|
|
// VerifyAttachCallCount ensures that at least one of the Attachers for this
|
|
// plugin has the expectedAttachCallCount number of calls. Otherwise it returns
|
|
// an error.
|
|
func VerifyAttachCallCount(
|
|
expectedAttachCallCount int,
|
|
fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, attacher := range fakeVolumePlugin.GetAttachers() {
|
|
actualCallCount := attacher.GetAttachCallCount()
|
|
if actualCallCount == expectedAttachCallCount {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf(
|
|
"No attachers have expected AttachCallCount. Expected: <%v>.",
|
|
expectedAttachCallCount)
|
|
}
|
|
|
|
// VerifyZeroAttachCalls ensures that all of the Attachers for this plugin have
|
|
// a zero AttachCallCount. Otherwise it returns an error.
|
|
func VerifyZeroAttachCalls(fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, attacher := range fakeVolumePlugin.GetAttachers() {
|
|
actualCallCount := attacher.GetAttachCallCount()
|
|
if actualCallCount != 0 {
|
|
return fmt.Errorf(
|
|
"At least one attacher has non-zero AttachCallCount: <%v>.",
|
|
actualCallCount)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// VerifyWaitForAttachCallCount ensures that at least one of the Mounters for
|
|
// this plugin has the expectedWaitForAttachCallCount number of calls. Otherwise
|
|
// it returns an error.
|
|
func VerifyWaitForAttachCallCount(
|
|
expectedWaitForAttachCallCount int,
|
|
fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, attacher := range fakeVolumePlugin.GetAttachers() {
|
|
actualCallCount := attacher.GetWaitForAttachCallCount()
|
|
if actualCallCount == expectedWaitForAttachCallCount {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf(
|
|
"No Attachers have expected WaitForAttachCallCount. Expected: <%v>.",
|
|
expectedWaitForAttachCallCount)
|
|
}
|
|
|
|
// VerifyZeroWaitForAttachCallCount ensures that all Attachers for this plugin
|
|
// have a zero WaitForAttachCallCount. Otherwise it returns an error.
|
|
func VerifyZeroWaitForAttachCallCount(fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, attacher := range fakeVolumePlugin.GetAttachers() {
|
|
actualCallCount := attacher.GetWaitForAttachCallCount()
|
|
if actualCallCount != 0 {
|
|
return fmt.Errorf(
|
|
"At least one attacher has non-zero WaitForAttachCallCount: <%v>.",
|
|
actualCallCount)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// VerifyMountDeviceCallCount ensures that at least one of the Mounters for
|
|
// this plugin has the expectedMountDeviceCallCount number of calls. Otherwise
|
|
// it returns an error.
|
|
func VerifyMountDeviceCallCount(
|
|
expectedMountDeviceCallCount int,
|
|
fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, attacher := range fakeVolumePlugin.GetAttachers() {
|
|
actualCallCount := attacher.GetMountDeviceCallCount()
|
|
if actualCallCount == expectedMountDeviceCallCount {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf(
|
|
"No Attachers have expected MountDeviceCallCount. Expected: <%v>.",
|
|
expectedMountDeviceCallCount)
|
|
}
|
|
|
|
// VerifyZeroMountDeviceCallCount ensures that all Attachers for this plugin
|
|
// have a zero MountDeviceCallCount. Otherwise it returns an error.
|
|
func VerifyZeroMountDeviceCallCount(fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, attacher := range fakeVolumePlugin.GetAttachers() {
|
|
actualCallCount := attacher.GetMountDeviceCallCount()
|
|
if actualCallCount != 0 {
|
|
return fmt.Errorf(
|
|
"At least one attacher has non-zero MountDeviceCallCount: <%v>.",
|
|
actualCallCount)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// VerifySetUpCallCount ensures that at least one of the Mounters for this
|
|
// plugin has the expectedSetUpCallCount number of calls. Otherwise it returns
|
|
// an error.
|
|
func VerifySetUpCallCount(
|
|
expectedSetUpCallCount int,
|
|
fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, mounter := range fakeVolumePlugin.GetMounters() {
|
|
actualCallCount := mounter.GetSetUpCallCount()
|
|
if actualCallCount >= expectedSetUpCallCount {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf(
|
|
"No Mounters have expected SetUpCallCount. Expected: <%v>.",
|
|
expectedSetUpCallCount)
|
|
}
|
|
|
|
// VerifyZeroSetUpCallCount ensures that all Mounters for this plugin have a
|
|
// zero SetUpCallCount. Otherwise it returns an error.
|
|
func VerifyZeroSetUpCallCount(fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, mounter := range fakeVolumePlugin.GetMounters() {
|
|
actualCallCount := mounter.GetSetUpCallCount()
|
|
if actualCallCount != 0 {
|
|
return fmt.Errorf(
|
|
"At least one mounter has non-zero SetUpCallCount: <%v>.",
|
|
actualCallCount)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// VerifyTearDownCallCount ensures that at least one of the Unounters for this
|
|
// plugin has the expectedTearDownCallCount number of calls. Otherwise it
|
|
// returns an error.
|
|
func VerifyTearDownCallCount(
|
|
expectedTearDownCallCount int,
|
|
fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, unmounter := range fakeVolumePlugin.GetUnmounters() {
|
|
actualCallCount := unmounter.GetTearDownCallCount()
|
|
if actualCallCount >= expectedTearDownCallCount {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf(
|
|
"No Unmounters have expected SetUpCallCount. Expected: <%v>.",
|
|
expectedTearDownCallCount)
|
|
}
|
|
|
|
// VerifyZeroTearDownCallCount ensures that all Mounters for this plugin have a
|
|
// zero TearDownCallCount. Otherwise it returns an error.
|
|
func VerifyZeroTearDownCallCount(fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, mounter := range fakeVolumePlugin.GetMounters() {
|
|
actualCallCount := mounter.GetTearDownCallCount()
|
|
if actualCallCount != 0 {
|
|
return fmt.Errorf(
|
|
"At least one mounter has non-zero TearDownCallCount: <%v>.",
|
|
actualCallCount)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// VerifyDetachCallCount ensures that at least one of the Attachers for this
|
|
// plugin has the expectedDetachCallCount number of calls. Otherwise it returns
|
|
// an error.
|
|
func VerifyDetachCallCount(
|
|
expectedDetachCallCount int,
|
|
fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, detacher := range fakeVolumePlugin.GetDetachers() {
|
|
actualCallCount := detacher.GetDetachCallCount()
|
|
if actualCallCount == expectedDetachCallCount {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf(
|
|
"No Detachers have expected DetachCallCount. Expected: <%v>.",
|
|
expectedDetachCallCount)
|
|
}
|
|
|
|
// VerifyZeroDetachCallCount ensures that all Detachers for this plugin have a
|
|
// zero DetachCallCount. Otherwise it returns an error.
|
|
func VerifyZeroDetachCallCount(fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, detacher := range fakeVolumePlugin.GetDetachers() {
|
|
actualCallCount := detacher.GetDetachCallCount()
|
|
if actualCallCount != 0 {
|
|
return fmt.Errorf(
|
|
"At least one detacher has non-zero DetachCallCount: <%v>.",
|
|
actualCallCount)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// VerifySetUpDeviceCallCount ensures that at least one of the Mappers for this
|
|
// plugin has the expectedSetUpDeviceCallCount number of calls. Otherwise it
|
|
// returns an error.
|
|
func VerifySetUpDeviceCallCount(
|
|
expectedSetUpDeviceCallCount int,
|
|
fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, mapper := range fakeVolumePlugin.GetBlockVolumeMapper() {
|
|
actualCallCount := mapper.GetSetUpDeviceCallCount()
|
|
if actualCallCount >= expectedSetUpDeviceCallCount {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf(
|
|
"No Mapper have expected SetUpDeviceCallCount. Expected: <%v>.",
|
|
expectedSetUpDeviceCallCount)
|
|
}
|
|
|
|
// VerifyTearDownDeviceCallCount ensures that at least one of the Unmappers for this
|
|
// plugin has the expectedTearDownDeviceCallCount number of calls. Otherwise it
|
|
// returns an error.
|
|
func VerifyTearDownDeviceCallCount(
|
|
expectedTearDownDeviceCallCount int,
|
|
fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, unmapper := range fakeVolumePlugin.GetBlockVolumeUnmapper() {
|
|
actualCallCount := unmapper.GetTearDownDeviceCallCount()
|
|
if actualCallCount >= expectedTearDownDeviceCallCount {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf(
|
|
"No Unmapper have expected TearDownDeviceCallCount. Expected: <%v>.",
|
|
expectedTearDownDeviceCallCount)
|
|
}
|
|
|
|
// VerifyZeroTearDownDeviceCallCount ensures that all Mappers for this plugin have a
|
|
// zero TearDownDeviceCallCount. Otherwise it returns an error.
|
|
func VerifyZeroTearDownDeviceCallCount(fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, unmapper := range fakeVolumePlugin.GetBlockVolumeUnmapper() {
|
|
actualCallCount := unmapper.GetTearDownDeviceCallCount()
|
|
if actualCallCount != 0 {
|
|
return fmt.Errorf(
|
|
"At least one unmapper has non-zero TearDownDeviceCallCount: <%v>.",
|
|
actualCallCount)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// VerifyGetGlobalMapPathCallCount ensures that at least one of the Mappers for this
|
|
// plugin has the expectedGlobalMapPathCallCount number of calls. Otherwise it returns
|
|
// an error.
|
|
func VerifyGetGlobalMapPathCallCount(
|
|
expectedGlobalMapPathCallCount int,
|
|
fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, mapper := range fakeVolumePlugin.GetBlockVolumeMapper() {
|
|
actualCallCount := mapper.GetGlobalMapPathCallCount()
|
|
if actualCallCount == expectedGlobalMapPathCallCount {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf(
|
|
"No Mappers have expected GetGlobalMapPathCallCount. Expected: <%v>.",
|
|
expectedGlobalMapPathCallCount)
|
|
}
|
|
|
|
// VerifyGetPodDeviceMapPathCallCount ensures that at least one of the Mappers for this
|
|
// plugin has the expectedPodDeviceMapPathCallCount number of calls. Otherwise it returns
|
|
// an error.
|
|
func VerifyGetPodDeviceMapPathCallCount(
|
|
expectedPodDeviceMapPathCallCount int,
|
|
fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, mapper := range fakeVolumePlugin.GetBlockVolumeMapper() {
|
|
actualCallCount := mapper.GetPodDeviceMapPathCallCount()
|
|
if actualCallCount == expectedPodDeviceMapPathCallCount {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf(
|
|
"No Mappers have expected GetPodDeviceMapPathCallCount. Expected: <%v>.",
|
|
expectedPodDeviceMapPathCallCount)
|
|
}
|
|
|
|
// VerifyGetMapDeviceCallCount ensures that at least one of the Mappers for this
|
|
// plugin has the expectedMapDeviceCallCount number of calls. Otherwise it
|
|
// returns an error.
|
|
func VerifyGetMapDeviceCallCount(
|
|
expectedMapDeviceCallCount int,
|
|
fakeVolumePlugin *FakeVolumePlugin) error {
|
|
for _, mapper := range fakeVolumePlugin.GetBlockVolumeMapper() {
|
|
actualCallCount := mapper.GetMapDeviceCallCount()
|
|
if actualCallCount >= expectedMapDeviceCallCount {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return fmt.Errorf(
|
|
"No Mapper have expected MapdDeviceCallCount. Expected: <%v>.",
|
|
expectedMapDeviceCallCount)
|
|
}
|
|
|
|
// GetTestVolumePluginMgr creates, initializes, and returns a test volume plugin
|
|
// manager and fake volume plugin using a fake volume host.
|
|
func GetTestVolumePluginMgr(
|
|
t *testing.T) (*VolumePluginMgr, *FakeVolumePlugin) {
|
|
v := NewFakeVolumeHost(
|
|
"", /* rootDir */
|
|
nil, /* kubeClient */
|
|
nil, /* plugins */
|
|
)
|
|
plugins := ProbeVolumePlugins(VolumeConfig{})
|
|
if err := v.pluginMgr.InitPlugins(plugins, nil /* prober */, v); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
return &v.pluginMgr, plugins[0].(*FakeVolumePlugin)
|
|
}
|
|
|
|
// CreateTestPVC returns a provisionable PVC for tests
|
|
func CreateTestPVC(capacity string, accessModes []v1.PersistentVolumeAccessMode) *v1.PersistentVolumeClaim {
|
|
claim := v1.PersistentVolumeClaim{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "dummy",
|
|
Namespace: "default",
|
|
},
|
|
Spec: v1.PersistentVolumeClaimSpec{
|
|
AccessModes: accessModes,
|
|
Resources: v1.ResourceRequirements{
|
|
Requests: v1.ResourceList{
|
|
v1.ResourceName(v1.ResourceStorage): resource.MustParse(capacity),
|
|
},
|
|
},
|
|
},
|
|
}
|
|
return &claim
|
|
}
|
|
|
|
func MetricsEqualIgnoreTimestamp(a *Metrics, b *Metrics) bool {
|
|
available := a.Available == b.Available
|
|
capacity := a.Capacity == b.Capacity
|
|
used := a.Used == b.Used
|
|
inodes := a.Inodes == b.Inodes
|
|
inodesFree := a.InodesFree == b.InodesFree
|
|
inodesUsed := a.InodesUsed == b.InodesUsed
|
|
return available && capacity && used && inodes && inodesFree && inodesUsed
|
|
}
|
|
|
|
func ContainsAccessMode(modes []v1.PersistentVolumeAccessMode, mode v1.PersistentVolumeAccessMode) bool {
|
|
for _, m := range modes {
|
|
if m == mode {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|