mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-10 08:20:23 +00:00
509 lines
18 KiB
Go
509 lines
18 KiB
Go
/*
|
|
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 deployment
|
|
|
|
import (
|
|
"fmt"
|
|
"net/http/httptest"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"k8s.io/api/core/v1"
|
|
"k8s.io/api/extensions/v1beta1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/util/intstr"
|
|
"k8s.io/apimachinery/pkg/util/wait"
|
|
"k8s.io/client-go/informers"
|
|
clientset "k8s.io/client-go/kubernetes"
|
|
restclient "k8s.io/client-go/rest"
|
|
podutil "k8s.io/kubernetes/pkg/api/v1/pod"
|
|
"k8s.io/kubernetes/pkg/controller/deployment"
|
|
deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
|
|
"k8s.io/kubernetes/pkg/controller/replicaset"
|
|
"k8s.io/kubernetes/pkg/util/metrics"
|
|
"k8s.io/kubernetes/test/integration/framework"
|
|
testutil "k8s.io/kubernetes/test/utils"
|
|
)
|
|
|
|
const (
|
|
pollInterval = 100 * time.Millisecond
|
|
pollTimeout = 60 * time.Second
|
|
|
|
fakeContainerName = "fake-name"
|
|
fakeImage = "fakeimage"
|
|
)
|
|
|
|
var pauseFn = func(update *v1beta1.Deployment) {
|
|
update.Spec.Paused = true
|
|
}
|
|
|
|
var resumeFn = func(update *v1beta1.Deployment) {
|
|
update.Spec.Paused = false
|
|
}
|
|
|
|
type deploymentTester struct {
|
|
t *testing.T
|
|
c clientset.Interface
|
|
deployment *v1beta1.Deployment
|
|
}
|
|
|
|
func testLabels() map[string]string {
|
|
return map[string]string{"name": "test"}
|
|
}
|
|
|
|
// newDeployment returns a RollingUpdate Deployment with with a fake container image
|
|
func newDeployment(name, ns string, replicas int32) *v1beta1.Deployment {
|
|
return &v1beta1.Deployment{
|
|
TypeMeta: metav1.TypeMeta{
|
|
Kind: "Deployment",
|
|
APIVersion: "extensions/v1beta1",
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Namespace: ns,
|
|
Name: name,
|
|
},
|
|
Spec: v1beta1.DeploymentSpec{
|
|
Replicas: &replicas,
|
|
Selector: &metav1.LabelSelector{MatchLabels: testLabels()},
|
|
Strategy: v1beta1.DeploymentStrategy{
|
|
Type: v1beta1.RollingUpdateDeploymentStrategyType,
|
|
RollingUpdate: new(v1beta1.RollingUpdateDeployment),
|
|
},
|
|
Template: v1.PodTemplateSpec{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: testLabels(),
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: fakeContainerName,
|
|
Image: fakeImage,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func newReplicaSet(name, ns string, replicas int32) *v1beta1.ReplicaSet {
|
|
return &v1beta1.ReplicaSet{
|
|
TypeMeta: metav1.TypeMeta{
|
|
Kind: "ReplicaSet",
|
|
APIVersion: "extensions/v1beta1",
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Namespace: ns,
|
|
Name: name,
|
|
},
|
|
Spec: v1beta1.ReplicaSetSpec{
|
|
Selector: &metav1.LabelSelector{
|
|
MatchLabels: testLabels(),
|
|
},
|
|
Replicas: &replicas,
|
|
Template: v1.PodTemplateSpec{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: testLabels(),
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: fakeContainerName,
|
|
Image: fakeImage,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func newDeploymentRollback(name string, annotations map[string]string, revision int64) *v1beta1.DeploymentRollback {
|
|
return &v1beta1.DeploymentRollback{
|
|
Name: name,
|
|
UpdatedAnnotations: annotations,
|
|
RollbackTo: v1beta1.RollbackConfig{Revision: revision},
|
|
}
|
|
}
|
|
|
|
// dcSetup sets up necessities for Deployment integration test, including master, apiserver, informers, and clientset
|
|
func dcSetup(t *testing.T) (*httptest.Server, framework.CloseFunc, *replicaset.ReplicaSetController, *deployment.DeploymentController, informers.SharedInformerFactory, clientset.Interface) {
|
|
masterConfig := framework.NewIntegrationTestMasterConfig()
|
|
_, s, closeFn := framework.RunAMaster(masterConfig)
|
|
|
|
config := restclient.Config{Host: s.URL}
|
|
clientSet, err := clientset.NewForConfig(&config)
|
|
if err != nil {
|
|
t.Fatalf("error in create clientset: %v", err)
|
|
}
|
|
resyncPeriod := 12 * time.Hour
|
|
informers := informers.NewSharedInformerFactory(clientset.NewForConfigOrDie(restclient.AddUserAgent(&config, "deployment-informers")), resyncPeriod)
|
|
|
|
metrics.UnregisterMetricAndUntrackRateLimiterUsage("deployment_controller")
|
|
dc, err := deployment.NewDeploymentController(
|
|
informers.Extensions().V1beta1().Deployments(),
|
|
informers.Extensions().V1beta1().ReplicaSets(),
|
|
informers.Core().V1().Pods(),
|
|
clientset.NewForConfigOrDie(restclient.AddUserAgent(&config, "deployment-controller")),
|
|
)
|
|
if err != nil {
|
|
t.Fatalf("error creating Deployment controller: %v", err)
|
|
}
|
|
rm := replicaset.NewReplicaSetController(
|
|
informers.Extensions().V1beta1().ReplicaSets(),
|
|
informers.Core().V1().Pods(),
|
|
clientset.NewForConfigOrDie(restclient.AddUserAgent(&config, "replicaset-controller")),
|
|
replicaset.BurstReplicas,
|
|
)
|
|
return s, closeFn, rm, dc, informers, clientSet
|
|
}
|
|
|
|
// dcSimpleSetup sets up necessities for Deployment integration test, including master, apiserver,
|
|
// and clientset, but not controllers and informers
|
|
func dcSimpleSetup(t *testing.T) (*httptest.Server, framework.CloseFunc, clientset.Interface) {
|
|
masterConfig := framework.NewIntegrationTestMasterConfig()
|
|
_, s, closeFn := framework.RunAMaster(masterConfig)
|
|
|
|
config := restclient.Config{Host: s.URL}
|
|
clientSet, err := clientset.NewForConfig(&config)
|
|
if err != nil {
|
|
t.Fatalf("error in create clientset: %v", err)
|
|
}
|
|
return s, closeFn, clientSet
|
|
}
|
|
|
|
// addPodConditionReady sets given pod status to ready at given time
|
|
func addPodConditionReady(pod *v1.Pod, time metav1.Time) {
|
|
pod.Status = v1.PodStatus{
|
|
Phase: v1.PodRunning,
|
|
Conditions: []v1.PodCondition{
|
|
{
|
|
Type: v1.PodReady,
|
|
Status: v1.ConditionTrue,
|
|
LastTransitionTime: time,
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func (d *deploymentTester) waitForDeploymentRevisionAndImage(revision, image string) error {
|
|
if err := testutil.WaitForDeploymentRevisionAndImage(d.c, d.deployment.Namespace, d.deployment.Name, revision, image, d.t.Logf, pollInterval, pollTimeout); err != nil {
|
|
return fmt.Errorf("failed to wait for Deployment revision %s: %v", d.deployment.Name, err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func markPodReady(c clientset.Interface, ns string, pod *v1.Pod) error {
|
|
addPodConditionReady(pod, metav1.Now())
|
|
_, err := c.CoreV1().Pods(ns).UpdateStatus(pod)
|
|
return err
|
|
}
|
|
|
|
func intOrStrP(num int) *intstr.IntOrString {
|
|
intstr := intstr.FromInt(num)
|
|
return &intstr
|
|
}
|
|
|
|
// markUpdatedPodsReady manually marks updated Deployment pods status to ready,
|
|
// until the deployment is complete
|
|
func (d *deploymentTester) markUpdatedPodsReady(wg *sync.WaitGroup) {
|
|
defer wg.Done()
|
|
|
|
ns := d.deployment.Namespace
|
|
err := wait.PollImmediate(pollInterval, pollTimeout, func() (bool, error) {
|
|
// We're done when the deployment is complete
|
|
if completed, err := d.deploymentComplete(); err != nil {
|
|
return false, err
|
|
} else if completed {
|
|
return true, nil
|
|
}
|
|
// Otherwise, mark remaining pods as ready
|
|
pods, err := d.listUpdatedPods()
|
|
if err != nil {
|
|
d.t.Log(err)
|
|
return false, nil
|
|
}
|
|
d.t.Logf("%d/%d of deployment pods are created", len(pods), *d.deployment.Spec.Replicas)
|
|
for i := range pods {
|
|
pod := pods[i]
|
|
if podutil.IsPodReady(&pod) {
|
|
continue
|
|
}
|
|
if err = markPodReady(d.c, ns, &pod); err != nil {
|
|
d.t.Logf("failed to update Deployment pod %s, will retry later: %v", pod.Name, err)
|
|
}
|
|
}
|
|
return false, nil
|
|
})
|
|
if err != nil {
|
|
d.t.Fatalf("failed to mark updated Deployment pods to ready: %v", err)
|
|
}
|
|
}
|
|
|
|
func (d *deploymentTester) deploymentComplete() (bool, error) {
|
|
latest, err := d.c.ExtensionsV1beta1().Deployments(d.deployment.Namespace).Get(d.deployment.Name, metav1.GetOptions{})
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
return deploymentutil.DeploymentComplete(d.deployment, &latest.Status), nil
|
|
}
|
|
|
|
// Waits for the deployment to complete, and check rolling update strategy isn't broken at any times.
|
|
// Rolling update strategy should not be broken during a rolling update.
|
|
func (d *deploymentTester) waitForDeploymentCompleteAndCheckRolling() error {
|
|
return testutil.WaitForDeploymentCompleteAndCheckRolling(d.c, d.deployment, d.t.Logf, pollInterval, pollTimeout)
|
|
}
|
|
|
|
// Waits for the deployment to complete, and don't check if rolling update strategy is broken.
|
|
// Rolling update strategy is used only during a rolling update, and can be violated in other situations,
|
|
// such as shortly after a scaling event or the deployment is just created.
|
|
func (d *deploymentTester) waitForDeploymentComplete() error {
|
|
return testutil.WaitForDeploymentComplete(d.c, d.deployment, d.t.Logf, pollInterval, pollTimeout)
|
|
}
|
|
|
|
// waitForDeploymentCompleteAndCheckRollingAndMarkPodsReady waits for the Deployment to complete
|
|
// while marking updated Deployment pods as ready at the same time.
|
|
// Uses hard check to make sure rolling update strategy is not violated at any times.
|
|
func (d *deploymentTester) waitForDeploymentCompleteAndCheckRollingAndMarkPodsReady() error {
|
|
var wg sync.WaitGroup
|
|
|
|
// Manually mark updated Deployment pods as ready in a separate goroutine
|
|
wg.Add(1)
|
|
go d.markUpdatedPodsReady(&wg)
|
|
|
|
// Wait for the Deployment status to complete while Deployment pods are becoming ready
|
|
err := d.waitForDeploymentCompleteAndCheckRolling()
|
|
if err != nil {
|
|
return fmt.Errorf("failed to wait for Deployment %s to complete: %v", d.deployment.Name, err)
|
|
}
|
|
|
|
// Wait for goroutine to finish
|
|
wg.Wait()
|
|
|
|
return nil
|
|
}
|
|
|
|
// waitForDeploymentCompleteAndMarkPodsReady waits for the Deployment to complete
|
|
// while marking updated Deployment pods as ready at the same time.
|
|
func (d *deploymentTester) waitForDeploymentCompleteAndMarkPodsReady() error {
|
|
var wg sync.WaitGroup
|
|
|
|
// Manually mark updated Deployment pods as ready in a separate goroutine
|
|
wg.Add(1)
|
|
go d.markUpdatedPodsReady(&wg)
|
|
|
|
// Wait for the Deployment status to complete using soft check, while Deployment pods are becoming ready
|
|
err := d.waitForDeploymentComplete()
|
|
if err != nil {
|
|
return fmt.Errorf("failed to wait for Deployment status %s: %v", d.deployment.Name, err)
|
|
}
|
|
|
|
// Wait for goroutine to finish
|
|
wg.Wait()
|
|
|
|
return nil
|
|
}
|
|
|
|
func (d *deploymentTester) updateDeployment(applyUpdate testutil.UpdateDeploymentFunc) (*v1beta1.Deployment, error) {
|
|
return testutil.UpdateDeploymentWithRetries(d.c, d.deployment.Namespace, d.deployment.Name, applyUpdate, d.t.Logf, pollInterval, pollTimeout)
|
|
}
|
|
|
|
func (d *deploymentTester) waitForObservedDeployment(desiredGeneration int64) error {
|
|
if err := testutil.WaitForObservedDeployment(d.c, d.deployment.Namespace, d.deployment.Name, desiredGeneration); err != nil {
|
|
return fmt.Errorf("failed waiting for ObservedGeneration of deployment %s to become %d: %v", d.deployment.Name, desiredGeneration, err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (d *deploymentTester) getNewReplicaSet() (*v1beta1.ReplicaSet, error) {
|
|
deployment, err := d.c.ExtensionsV1beta1().Deployments(d.deployment.Namespace).Get(d.deployment.Name, metav1.GetOptions{})
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed retrieving deployment %s: %v", d.deployment.Name, err)
|
|
}
|
|
rs, err := deploymentutil.GetNewReplicaSet(deployment, d.c.ExtensionsV1beta1())
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed retrieving new replicaset of deployment %s: %v", d.deployment.Name, err)
|
|
}
|
|
return rs, nil
|
|
}
|
|
|
|
func (d *deploymentTester) expectNoNewReplicaSet() error {
|
|
rs, err := d.getNewReplicaSet()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if rs != nil {
|
|
return fmt.Errorf("expected deployment %s not to create a new replicaset, got %v", d.deployment.Name, rs)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (d *deploymentTester) expectNewReplicaSet() (*v1beta1.ReplicaSet, error) {
|
|
rs, err := d.getNewReplicaSet()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if rs == nil {
|
|
return nil, fmt.Errorf("expected deployment %s to create a new replicaset, got nil", d.deployment.Name)
|
|
}
|
|
return rs, nil
|
|
}
|
|
|
|
func (d *deploymentTester) updateReplicaSet(name string, applyUpdate testutil.UpdateReplicaSetFunc) (*v1beta1.ReplicaSet, error) {
|
|
return testutil.UpdateReplicaSetWithRetries(d.c, d.deployment.Namespace, name, applyUpdate, d.t.Logf, pollInterval, pollTimeout)
|
|
}
|
|
|
|
func (d *deploymentTester) updateReplicaSetStatus(name string, applyStatusUpdate testutil.UpdateReplicaSetFunc) (*v1beta1.ReplicaSet, error) {
|
|
return testutil.UpdateReplicaSetStatusWithRetries(d.c, d.deployment.Namespace, name, applyStatusUpdate, d.t.Logf, pollInterval, pollTimeout)
|
|
}
|
|
|
|
// waitForDeploymentRollbackCleared waits for deployment either started rolling back or doesn't need to rollback.
|
|
func (d *deploymentTester) waitForDeploymentRollbackCleared() error {
|
|
return testutil.WaitForDeploymentRollbackCleared(d.c, d.deployment.Namespace, d.deployment.Name, pollInterval, pollTimeout)
|
|
}
|
|
|
|
// checkDeploymentRevisionAndImage checks if the input deployment's and its new replica set's revision and image are as expected.
|
|
func (d *deploymentTester) checkDeploymentRevisionAndImage(revision, image string) error {
|
|
return testutil.CheckDeploymentRevisionAndImage(d.c, d.deployment.Namespace, d.deployment.Name, revision, image)
|
|
}
|
|
|
|
func (d *deploymentTester) waitForDeploymentUpdatedReplicasGTE(minUpdatedReplicas int32) error {
|
|
return testutil.WaitForDeploymentUpdatedReplicasGTE(d.c, d.deployment.Namespace, d.deployment.Name, minUpdatedReplicas, d.deployment.Generation, pollInterval, pollTimeout)
|
|
}
|
|
|
|
func (d *deploymentTester) waitForDeploymentWithCondition(reason string, condType v1beta1.DeploymentConditionType) error {
|
|
return testutil.WaitForDeploymentWithCondition(d.c, d.deployment.Namespace, d.deployment.Name, reason, condType, d.t.Logf, pollInterval, pollTimeout)
|
|
}
|
|
|
|
func (d *deploymentTester) listUpdatedPods() ([]v1.Pod, error) {
|
|
selector, err := metav1.LabelSelectorAsSelector(d.deployment.Spec.Selector)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to parse deployment selector: %v", err)
|
|
}
|
|
pods, err := d.c.CoreV1().Pods(d.deployment.Namespace).List(metav1.ListOptions{LabelSelector: selector.String()})
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to list deployment pods, will retry later: %v", err)
|
|
}
|
|
newRS, err := d.getNewReplicaSet()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to get new replicaset of deployment %q: %v", d.deployment.Name, err)
|
|
}
|
|
if newRS == nil {
|
|
return nil, fmt.Errorf("unable to find new replicaset of deployment %q", d.deployment.Name)
|
|
}
|
|
|
|
var ownedPods []v1.Pod
|
|
for _, pod := range pods.Items {
|
|
rs := metav1.GetControllerOf(&pod)
|
|
if rs.UID == newRS.UID {
|
|
ownedPods = append(ownedPods, pod)
|
|
}
|
|
}
|
|
return ownedPods, nil
|
|
}
|
|
|
|
func (d *deploymentTester) waitRSStable(replicaset *v1beta1.ReplicaSet) error {
|
|
return testutil.WaitRSStable(d.t, d.c, replicaset, pollInterval, pollTimeout)
|
|
}
|
|
|
|
func (d *deploymentTester) scaleDeployment(newReplicas int32) error {
|
|
var err error
|
|
d.deployment, err = d.updateDeployment(func(update *v1beta1.Deployment) {
|
|
update.Spec.Replicas = &newReplicas
|
|
})
|
|
if err != nil {
|
|
return fmt.Errorf("failed updating deployment %q: %v", d.deployment.Name, err)
|
|
}
|
|
|
|
if err := d.waitForDeploymentCompleteAndMarkPodsReady(); err != nil {
|
|
return err
|
|
}
|
|
|
|
rs, err := d.expectNewReplicaSet()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if *rs.Spec.Replicas != newReplicas {
|
|
return fmt.Errorf("expected new replicaset replicas = %d, got %d", newReplicas, *rs.Spec.Replicas)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// waitForReadyReplicas waits for number of ready replicas to equal number of replicas.
|
|
func (d *deploymentTester) waitForReadyReplicas() error {
|
|
if err := wait.PollImmediate(pollInterval, pollTimeout, func() (bool, error) {
|
|
deployment, err := d.c.ExtensionsV1beta1().Deployments(d.deployment.Namespace).Get(d.deployment.Name, metav1.GetOptions{})
|
|
if err != nil {
|
|
return false, fmt.Errorf("failed to get deployment %q: %v", d.deployment.Name, err)
|
|
}
|
|
return deployment.Status.ReadyReplicas == *deployment.Spec.Replicas, nil
|
|
}); err != nil {
|
|
return fmt.Errorf("failed to wait for .readyReplicas to equal .replicas: %v", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// markUpdatedPodsReadyWithoutComplete marks updated Deployment pods as ready without waiting for deployment to complete.
|
|
func (d *deploymentTester) markUpdatedPodsReadyWithoutComplete() error {
|
|
if err := wait.PollImmediate(pollInterval, pollTimeout, func() (bool, error) {
|
|
pods, err := d.listUpdatedPods()
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
for i := range pods {
|
|
pod := pods[i]
|
|
if podutil.IsPodReady(&pod) {
|
|
continue
|
|
}
|
|
if err = markPodReady(d.c, d.deployment.Namespace, &pod); err != nil {
|
|
d.t.Logf("failed to update Deployment pod %q, will retry later: %v", pod.Name, err)
|
|
return false, nil
|
|
}
|
|
}
|
|
return true, nil
|
|
}); err != nil {
|
|
return fmt.Errorf("failed to mark all updated pods as ready: %v", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Verify all replicas fields of DeploymentStatus have desired count.
|
|
// Immediately return an error when found a non-matching replicas field.
|
|
func (d *deploymentTester) checkDeploymentStatusReplicasFields(replicas, updatedReplicas, readyReplicas, availableReplicas, unavailableReplicas int32) error {
|
|
deployment, err := d.c.ExtensionsV1beta1().Deployments(d.deployment.Namespace).Get(d.deployment.Name, metav1.GetOptions{})
|
|
if err != nil {
|
|
return fmt.Errorf("failed to get deployment %q: %v", d.deployment.Name, err)
|
|
}
|
|
if deployment.Status.Replicas != replicas {
|
|
return fmt.Errorf("unexpected .replicas: expect %d, got %d", replicas, deployment.Status.Replicas)
|
|
}
|
|
if deployment.Status.UpdatedReplicas != updatedReplicas {
|
|
return fmt.Errorf("unexpected .updatedReplicas: expect %d, got %d", updatedReplicas, deployment.Status.UpdatedReplicas)
|
|
}
|
|
if deployment.Status.ReadyReplicas != readyReplicas {
|
|
return fmt.Errorf("unexpected .readyReplicas: expect %d, got %d", readyReplicas, deployment.Status.ReadyReplicas)
|
|
}
|
|
if deployment.Status.AvailableReplicas != availableReplicas {
|
|
return fmt.Errorf("unexpected .replicas: expect %d, got %d", availableReplicas, deployment.Status.AvailableReplicas)
|
|
}
|
|
if deployment.Status.UnavailableReplicas != unavailableReplicas {
|
|
return fmt.Errorf("unexpected .replicas: expect %d, got %d", unavailableReplicas, deployment.Status.UnavailableReplicas)
|
|
}
|
|
return nil
|
|
}
|