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rebase: update kubernetes to v1.20.0

Browse Source 
updated kubernetes packages to latest
release.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna
2020-12-17 17:58:29 +05:30
committed by mergify[bot]
parent 4abe128bd8
commit 83559144b1
1624 changed files with 247222 additions and 160270 deletions
Download Patch File Download Diff File Expand all files Collapse all files

47
vendor/k8s.io/kubernetes/pkg/util/node/BUILD generated vendored
View File

@ -1,47 +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 = ["node.go"],
importpath = "k8s.io/kubernetes/pkg/util/node",
deps = [
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/equality:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/types:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/strategicpatch:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes/typed/core/v1:go_default_library",
"//vendor/k8s.io/klog:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = ["node_test.go"],
embed = [":go_default_library"],
deps = [
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)

359
vendor/k8s.io/kubernetes/pkg/util/node/node.go generated vendored
View File

@ -1,359 +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 node
import (
"context"
"encoding/json"
"fmt"
"net"
"os"
"strings"
"time"
"k8s.io/klog"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/equality"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/strategicpatch"
"k8s.io/apimachinery/pkg/util/wait"
clientset "k8s.io/client-go/kubernetes"
v1core "k8s.io/client-go/kubernetes/typed/core/v1"
)
const (
// NodeUnreachablePodReason is the reason on a pod when its state cannot be confirmed as kubelet is unresponsive
// on the node it is (was) running.
NodeUnreachablePodReason = "NodeLost"
// NodeUnreachablePodMessage is the message on a pod when its state cannot be confirmed as kubelet is unresponsive
// on the node it is (was) running.
NodeUnreachablePodMessage = "Node %v which was running pod %v is unresponsive"
)
// GetHostname returns OS's hostname if 'hostnameOverride' is empty; otherwise, return 'hostnameOverride'.
func GetHostname(hostnameOverride string) (string, error) {
hostName := hostnameOverride
if len(hostName) == 0 {
nodeName, err := os.Hostname()
if err != nil {
return "", fmt.Errorf("couldn't determine hostname: %v", err)
}
hostName = nodeName
}
// Trim whitespaces first to avoid getting an empty hostname
// For linux, the hostname is read from file /proc/sys/kernel/hostname directly
hostName = strings.TrimSpace(hostName)
if len(hostName) == 0 {
return "", fmt.Errorf("empty hostname is invalid")
}
return strings.ToLower(hostName), nil
}
// NoMatchError is a typed implementation of the error interface. It indicates a failure to get a matching Node.
type NoMatchError struct {
addresses []v1.NodeAddress
}
// Error is the implementation of the conventional interface for
// representing an error condition, with the nil value representing no error.
func (e *NoMatchError) Error() string {
return fmt.Sprintf("no preferred addresses found; known addresses: %v", e.addresses)
}
// GetPreferredNodeAddress returns the address of the provided node, using the provided preference order.
// If none of the preferred address types are found, an error is returned.
func GetPreferredNodeAddress(node *v1.Node, preferredAddressTypes []v1.NodeAddressType) (string, error) {
for _, addressType := range preferredAddressTypes {
for _, address := range node.Status.Addresses {
if address.Type == addressType {
return address.Address, nil
}
}
}
return "", &NoMatchError{addresses: node.Status.Addresses}
}
// GetNodeHostIP returns the provided node's IP, based on the priority:
// 1. NodeInternalIP
// 2. NodeExternalIP
func GetNodeHostIP(node *v1.Node) (net.IP, error) {
addresses := node.Status.Addresses
addressMap := make(map[v1.NodeAddressType][]v1.NodeAddress)
for i := range addresses {
addressMap[addresses[i].Type] = append(addressMap[addresses[i].Type], addresses[i])
}
if addresses, ok := addressMap[v1.NodeInternalIP]; ok {
return net.ParseIP(addresses[0].Address), nil
}
if addresses, ok := addressMap[v1.NodeExternalIP]; ok {
return net.ParseIP(addresses[0].Address), nil
}
return nil, fmt.Errorf("host IP unknown; known addresses: %v", addresses)
}
// GetNodeIP returns the ip of node with the provided hostname
// If required, wait for the node to be defined.
func GetNodeIP(client clientset.Interface, hostname string) net.IP {
var nodeIP net.IP
backoff := wait.Backoff{
Steps: 6,
Duration: 1 * time.Second,
Factor: 2.0,
Jitter: 0.2,
}
err := wait.ExponentialBackoff(backoff, func() (bool, error) {
node, err := client.CoreV1().Nodes().Get(context.TODO(), hostname, metav1.GetOptions{})
if err != nil {
klog.Errorf("Failed to retrieve node info: %v", err)
return false, nil
}
nodeIP, err = GetNodeHostIP(node)
if err != nil {
klog.Errorf("Failed to retrieve node IP: %v", err)
return false, err
}
return true, nil
})
if err == nil {
klog.Infof("Successfully retrieved node IP: %v", nodeIP)
}
return nodeIP
}
// GetZoneKey is a helper function that builds a string identifier that is unique per failure-zone;
// it returns empty-string for no zone.
// Since there are currently two separate zone keys:
// * "failure-domain.beta.kubernetes.io/zone"
// * "topology.kubernetes.io/zone"
// GetZoneKey will first check failure-domain.beta.kubernetes.io/zone and if not exists, will then check
// topology.kubernetes.io/zone
func GetZoneKey(node *v1.Node) string {
labels := node.Labels
if labels == nil {
return ""
}
// TODO: prefer stable labels for zone in v1.18
zone, ok := labels[v1.LabelZoneFailureDomain]
if !ok {
zone, _ = labels[v1.LabelZoneFailureDomainStable]
}
// TODO: prefer stable labels for region in v1.18
region, ok := labels[v1.LabelZoneRegion]
if !ok {
region, _ = labels[v1.LabelZoneRegionStable]
}
if region == "" && zone == "" {
return ""
}
// We include the null character just in case region or failureDomain has a colon
// (We do assume there's no null characters in a region or failureDomain)
// As a nice side-benefit, the null character is not printed by fmt.Print or glog
return region + ":\x00:" + zone
}
type nodeForConditionPatch struct {
Status nodeStatusForPatch `json:"status"`
}
type nodeStatusForPatch struct {
Conditions []v1.NodeCondition `json:"conditions"`
}
// SetNodeCondition updates specific node condition with patch operation.
func SetNodeCondition(c clientset.Interface, node types.NodeName, condition v1.NodeCondition) error {
generatePatch := func(condition v1.NodeCondition) ([]byte, error) {
patch := nodeForConditionPatch{
Status: nodeStatusForPatch{
Conditions: []v1.NodeCondition{
condition,
},
},
}
patchBytes, err := json.Marshal(&patch)
if err != nil {
return nil, err
}
return patchBytes, nil
}
condition.LastHeartbeatTime = metav1.NewTime(time.Now())
patch, err := generatePatch(condition)
if err != nil {
return nil
}
_, err = c.CoreV1().Nodes().PatchStatus(context.TODO(), string(node), patch)
return err
}
type nodeForCIDRMergePatch struct {
Spec nodeSpecForMergePatch `json:"spec"`
}
type nodeSpecForMergePatch struct {
PodCIDR string `json:"podCIDR"`
PodCIDRs []string `json:"podCIDRs,omitempty"`
}
// PatchNodeCIDR patches the specified node's CIDR to the given value.
func PatchNodeCIDR(c clientset.Interface, node types.NodeName, cidr string) error {
patch := nodeForCIDRMergePatch{
Spec: nodeSpecForMergePatch{
PodCIDR: cidr,
},
}
patchBytes, err := json.Marshal(&patch)
if err != nil {
return fmt.Errorf("failed to json.Marshal CIDR: %v", err)
}
if _, err := c.CoreV1().Nodes().Patch(context.TODO(), string(node), types.StrategicMergePatchType, patchBytes, metav1.PatchOptions{}); err != nil {
return fmt.Errorf("failed to patch node CIDR: %v", err)
}
return nil
}
// PatchNodeCIDRs patches the specified node.CIDR=cidrs[0] and node.CIDRs to the given value.
func PatchNodeCIDRs(c clientset.Interface, node types.NodeName, cidrs []string) error {
// set the pod cidrs list and set the old pod cidr field
patch := nodeForCIDRMergePatch{
Spec: nodeSpecForMergePatch{
PodCIDR: cidrs[0],
PodCIDRs: cidrs,
},
}
patchBytes, err := json.Marshal(&patch)
if err != nil {
return fmt.Errorf("failed to json.Marshal CIDR: %v", err)
}
klog.V(4).Infof("cidrs patch bytes are:%s", string(patchBytes))
if _, err := c.CoreV1().Nodes().Patch(context.TODO(), string(node), types.StrategicMergePatchType, patchBytes, metav1.PatchOptions{}); err != nil {
return fmt.Errorf("failed to patch node CIDR: %v", err)
}
return nil
}
// PatchNodeStatus patches node status.
func PatchNodeStatus(c v1core.CoreV1Interface, nodeName types.NodeName, oldNode *v1.Node, newNode *v1.Node) (*v1.Node, []byte, error) {
patchBytes, err := preparePatchBytesforNodeStatus(nodeName, oldNode, newNode)
if err != nil {
return nil, nil, err
}
updatedNode, err := c.Nodes().Patch(context.TODO(), string(nodeName), types.StrategicMergePatchType, patchBytes, metav1.PatchOptions{}, "status")
if err != nil {
return nil, nil, fmt.Errorf("failed to patch status %q for node %q: %v", patchBytes, nodeName, err)
}
return updatedNode, patchBytes, nil
}
func preparePatchBytesforNodeStatus(nodeName types.NodeName, oldNode *v1.Node, newNode *v1.Node) ([]byte, error) {
oldData, err := json.Marshal(oldNode)
if err != nil {
return nil, fmt.Errorf("failed to Marshal oldData for node %q: %v", nodeName, err)
}
// NodeStatus.Addresses is incorrectly annotated as patchStrategy=merge, which
// will cause strategicpatch.CreateTwoWayMergePatch to create an incorrect patch
// if it changed.
manuallyPatchAddresses := (len(oldNode.Status.Addresses) > 0) && !equality.Semantic.DeepEqual(oldNode.Status.Addresses, newNode.Status.Addresses)
// Reset spec to make sure only patch for Status or ObjectMeta is generated.
// Note that we don't reset ObjectMeta here, because:
// 1. This aligns with Nodes().UpdateStatus().
// 2. Some component does use this to update node annotations.
diffNode := newNode.DeepCopy()
diffNode.Spec = oldNode.Spec
if manuallyPatchAddresses {
diffNode.Status.Addresses = oldNode.Status.Addresses
}
newData, err := json.Marshal(diffNode)
if err != nil {
return nil, fmt.Errorf("failed to Marshal newData for node %q: %v", nodeName, err)
}
patchBytes, err := strategicpatch.CreateTwoWayMergePatch(oldData, newData, v1.Node{})
if err != nil {
return nil, fmt.Errorf("failed to CreateTwoWayMergePatch for node %q: %v", nodeName, err)
}
if manuallyPatchAddresses {
patchBytes, err = fixupPatchForNodeStatusAddresses(patchBytes, newNode.Status.Addresses)
if err != nil {
return nil, fmt.Errorf("failed to fix up NodeAddresses in patch for node %q: %v", nodeName, err)
}
}
return patchBytes, nil
}
// fixupPatchForNodeStatusAddresses adds a replace-strategy patch for Status.Addresses to
// the existing patch
func fixupPatchForNodeStatusAddresses(patchBytes []byte, addresses []v1.NodeAddress) ([]byte, error) {
// Given patchBytes='{"status": {"conditions": [ ... ], "phase": ...}}' and
// addresses=[{"type": "InternalIP", "address": "10.0.0.1"}], we need to generate:
//
// {
// "status": {
// "conditions": [ ... ],
// "phase": ...,
// "addresses": [
// {
// "type": "InternalIP",
// "address": "10.0.0.1"
// },
// {
// "$patch": "replace"
// }
// ]
// }
// }
var patchMap map[string]interface{}
if err := json.Unmarshal(patchBytes, &patchMap); err != nil {
return nil, err
}
addrBytes, err := json.Marshal(addresses)
if err != nil {
return nil, err
}
var addrArray []interface{}
if err := json.Unmarshal(addrBytes, &addrArray); err != nil {
return nil, err
}
addrArray = append(addrArray, map[string]interface{}{"$patch": "replace"})
status := patchMap["status"]
if status == nil {
status = map[string]interface{}{}
patchMap["status"] = status
}
statusMap, ok := status.(map[string]interface{})
if !ok {
return nil, fmt.Errorf("unexpected data in patch")
}
statusMap["addresses"] = addrArray
return json.Marshal(patchMap)
}

7
vendor/k8s.io/kubernetes/pkg/util/parsers/parsers.go generated vendored
View File

@ -26,11 +26,6 @@ import (
dockerref "github.com/docker/distribution/reference"
)
const (
// DefaultImageTag is the default tag for docker image.
DefaultImageTag = "latest"
)
// ParseImageName parses a docker image string into three parts: repo, tag and digest.
// If both tag and digest are empty, a default image tag will be returned.
func ParseImageName(image string) (string, string, string, error) {
@ -53,7 +48,7 @@ func ParseImageName(image string) (string, string, string, error) {
}
// If no tag was specified, use the default "latest".
if len(tag) == 0 && len(digest) == 0 {
tag = DefaultImageTag
tag = "latest"
}
return repoToPull, tag, digest, nil
}

37
vendor/k8s.io/kubernetes/pkg/util/resizefs/BUILD generated vendored
View File

@ -9,43 +9,52 @@ go_library(
importpath = "k8s.io/kubernetes/pkg/util/resizefs",
visibility = ["//visibility:public"],
deps = select({
"@io_bazel_rules_go//go/platform:aix": [
"//staging/src/k8s.io/mount-utils:go_default_library",
],
"@io_bazel_rules_go//go/platform:android": [
"//vendor/k8s.io/klog:go_default_library",
"//vendor/k8s.io/utils/mount:go_default_library",
"//staging/src/k8s.io/mount-utils:go_default_library",
"//vendor/k8s.io/klog/v2:go_default_library",
],
"@io_bazel_rules_go//go/platform:darwin": [
"//vendor/k8s.io/utils/mount:go_default_library",
"//staging/src/k8s.io/mount-utils:go_default_library",
],
"@io_bazel_rules_go//go/platform:dragonfly": [
"//vendor/k8s.io/utils/mount:go_default_library",
"//staging/src/k8s.io/mount-utils:go_default_library",
],
"@io_bazel_rules_go//go/platform:freebsd": [
"//vendor/k8s.io/utils/mount:go_default_library",
"//staging/src/k8s.io/mount-utils:go_default_library",
],
"@io_bazel_rules_go//go/platform:illumos": [
"//staging/src/k8s.io/mount-utils:go_default_library",
],
"@io_bazel_rules_go//go/platform:ios": [
"//vendor/k8s.io/utils/mount:go_default_library",
"//staging/src/k8s.io/mount-utils:go_default_library",
],
"@io_bazel_rules_go//go/platform:js": [
"//staging/src/k8s.io/mount-utils:go_default_library",
],
"@io_bazel_rules_go//go/platform:linux": [
"//vendor/k8s.io/klog:go_default_library",
"//vendor/k8s.io/utils/mount:go_default_library",
"//staging/src/k8s.io/mount-utils:go_default_library",
"//vendor/k8s.io/klog/v2:go_default_library",
],
"@io_bazel_rules_go//go/platform:nacl": [
"//vendor/k8s.io/utils/mount:go_default_library",
"//staging/src/k8s.io/mount-utils:go_default_library",
],
"@io_bazel_rules_go//go/platform:netbsd": [
"//vendor/k8s.io/utils/mount:go_default_library",
"//staging/src/k8s.io/mount-utils:go_default_library",
],
"@io_bazel_rules_go//go/platform:openbsd": [
"//vendor/k8s.io/utils/mount:go_default_library",
"//staging/src/k8s.io/mount-utils:go_default_library",
],
"@io_bazel_rules_go//go/platform:plan9": [
"//vendor/k8s.io/utils/mount:go_default_library",
"//staging/src/k8s.io/mount-utils:go_default_library",
],
"@io_bazel_rules_go//go/platform:solaris": [
"//vendor/k8s.io/utils/mount:go_default_library",
"//staging/src/k8s.io/mount-utils:go_default_library",
],
"@io_bazel_rules_go//go/platform:windows": [
"//vendor/k8s.io/utils/mount:go_default_library",
"//staging/src/k8s.io/mount-utils:go_default_library",
],
"//conditions:default": [],
}),

4
vendor/k8s.io/kubernetes/pkg/util/resizefs/resizefs_linux.go generated vendored
View File

@ -21,8 +21,8 @@ package resizefs
import (
"fmt"
"k8s.io/klog"
"k8s.io/utils/mount"
"k8s.io/klog/v2"
"k8s.io/mount-utils"
)
// ResizeFs Provides support for resizing file systems

2
vendor/k8s.io/kubernetes/pkg/util/resizefs/resizefs_unsupported.go generated vendored
View File

@ -21,7 +21,7 @@ package resizefs
import (
"fmt"
"k8s.io/utils/mount"
"k8s.io/mount-utils"
)
// ResizeFs Provides support for resizing file systems

28
vendor/k8s.io/kubernetes/pkg/util/sysctl/BUILD generated vendored Normal file
View File

@ -0,0 +1,28 @@
package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
)
go_library(
name = "go_default_library",
srcs = ["sysctl.go"],
importpath = "k8s.io/kubernetes/pkg/util/sysctl",
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [
":package-srcs",
"//pkg/util/sysctl/testing:all-srcs",
],
tags = ["automanaged"],
)

100
vendor/k8s.io/kubernetes/pkg/util/sysctl/sysctl.go generated vendored Normal file
View File

@ -0,0 +1,100 @@
/*
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 sysctl
import (
"io/ioutil"
"path"
"strconv"
"strings"
)
const (
sysctlBase = "/proc/sys"
// VMOvercommitMemory refers to the sysctl variable responsible for defining
// the memory over-commit policy used by kernel.
VMOvercommitMemory = "vm/overcommit_memory"
// VMPanicOnOOM refers to the sysctl variable responsible for defining
// the OOM behavior used by kernel.
VMPanicOnOOM = "vm/panic_on_oom"
// KernelPanic refers to the sysctl variable responsible for defining
// the timeout after a panic for the kernel to reboot.
KernelPanic = "kernel/panic"
// KernelPanicOnOops refers to the sysctl variable responsible for defining
// the kernel behavior when an oops or BUG is encountered.
KernelPanicOnOops = "kernel/panic_on_oops"
// RootMaxKeys refers to the sysctl variable responsible for defining
// the maximum number of keys that the root user (UID 0 in the root user namespace) may own.
RootMaxKeys = "kernel/keys/root_maxkeys"
// RootMaxBytes refers to the sysctl variable responsible for defining
// the maximum number of bytes of data that the root user (UID 0 in the root user namespace)
// can hold in the payloads of the keys owned by root.
RootMaxBytes = "kernel/keys/root_maxbytes"
// VMOvercommitMemoryAlways represents that kernel performs no memory over-commit handling.
VMOvercommitMemoryAlways = 1
// VMPanicOnOOMInvokeOOMKiller represents that kernel calls the oom_killer function when OOM occurs.
VMPanicOnOOMInvokeOOMKiller = 0
// KernelPanicOnOopsAlways represents that kernel panics on kernel oops.
KernelPanicOnOopsAlways = 1
// KernelPanicRebootTimeout is the timeout seconds after a panic for the kernel to reboot.
KernelPanicRebootTimeout = 10
// RootMaxKeysSetting is the maximum number of keys that the root user (UID 0 in the root user namespace) may own.
// Needed since docker creates a new key per container.
RootMaxKeysSetting = 1000000
// RootMaxBytesSetting is the maximum number of bytes of data that the root user (UID 0 in the root user namespace)
// can hold in the payloads of the keys owned by root.
// Allocate 25 bytes per key * number of MaxKeys.
RootMaxBytesSetting = RootMaxKeysSetting * 25
)
// Interface is an injectable interface for running sysctl commands.
type Interface interface {
// GetSysctl returns the value for the specified sysctl setting
GetSysctl(sysctl string) (int, error)
// SetSysctl modifies the specified sysctl flag to the new value
SetSysctl(sysctl string, newVal int) error
}
// New returns a new Interface for accessing sysctl
func New() Interface {
return &procSysctl{}
}
// procSysctl implements Interface by reading and writing files under /proc/sys
type procSysctl struct {
}
// GetSysctl returns the value for the specified sysctl setting
func (*procSysctl) GetSysctl(sysctl string) (int, error) {
data, err := ioutil.ReadFile(path.Join(sysctlBase, sysctl))
if err != nil {
return -1, err
}
val, err := strconv.Atoi(strings.Trim(string(data), " \n"))
if err != nil {
return -1, err
}
return val, nil
}
// SetSysctl modifies the specified sysctl flag to the new value
func (*procSysctl) SetSysctl(sysctl string, newVal int) error {
return ioutil.WriteFile(path.Join(sysctlBase, sysctl), []byte(strconv.Itoa(newVal)), 0640)
}