Merge pull request #60993 from MrHohn/e2e-restart-apiserver-refine-followup

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

[e2e service] Move apiserver restart validation logic into util

**What this PR does / why we need it**:
Follow up of #60906, on GKE apiserver pod is invisible on k8s, hence test is failing.

This PR bakes the restart validation logic into the util function instead so it could be env-awared.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #60761

**Special notes for your reviewer**:
Sorry for the noise.
/assign @rramkumar1 @bowei 
cc @krzyzacy 

**Release note**:

```release-note
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2018-03-09 18:33:05 -08:00 committed by GitHub
commit 9ad5ea2d61
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 15 additions and 14 deletions

View File

@ -3916,17 +3916,24 @@ func WaitForKubeletUp(host string) error {
return fmt.Errorf("waiting for kubelet timed out")
}
func RestartApiserver(c discovery.ServerVersionInterface) error {
func RestartApiserver(cs clientset.Interface) error {
// TODO: Make it work for all providers.
if !ProviderIs("gce", "gke", "aws") {
return fmt.Errorf("unsupported provider: %s", TestContext.Provider)
}
if ProviderIs("gce", "aws") {
return sshRestartMaster()
initialRestartCount, err := getApiserverRestartCount(cs)
if err != nil {
return fmt.Errorf("failed to get apiserver's restart count: %v", err)
}
if err := sshRestartMaster(); err != nil {
return fmt.Errorf("failed to restart apiserver: %v", err)
}
return waitForApiserverRestarted(cs, initialRestartCount)
}
// GKE doesn't allow ssh access, so use a same-version master
// upgrade to teardown/recreate master.
v, err := c.ServerVersion()
v, err := cs.Discovery().ServerVersion()
if err != nil {
return err
}
@ -3962,10 +3969,10 @@ func WaitForApiserverUp(c clientset.Interface) error {
return fmt.Errorf("waiting for apiserver timed out")
}
// WaitForApiserverRestarted waits until apiserver's restart count increased.
func WaitForApiserverRestarted(c clientset.Interface, initialRestartCount int32) error {
// waitForApiserverRestarted waits until apiserver's restart count increased.
func waitForApiserverRestarted(c clientset.Interface, initialRestartCount int32) error {
for start := time.Now(); time.Since(start) < time.Minute; time.Sleep(5 * time.Second) {
restartCount, err := GetApiserverRestartCount(c)
restartCount, err := getApiserverRestartCount(c)
if err != nil {
Logf("Failed to get apiserver's restart count: %v", err)
continue
@ -3979,7 +3986,7 @@ func WaitForApiserverRestarted(c clientset.Interface, initialRestartCount int32)
return fmt.Errorf("timed out waiting for apiserver to be restarted")
}
func GetApiserverRestartCount(c clientset.Interface) (int32, error) {
func getApiserverRestartCount(c clientset.Interface) (int32, error) {
label := labels.SelectorFromSet(labels.Set(map[string]string{"component": "kube-apiserver"}))
listOpts := metav1.ListOptions{LabelSelector: label.String()}
pods, err := c.CoreV1().Pods(metav1.NamespaceSystem).List(listOpts)

View File

@ -427,16 +427,10 @@ var _ = SIGDescribe("Services", func() {
framework.ExpectNoError(framework.VerifyServeHostnameServiceUp(cs, ns, host, podNames1, svc1IP, servicePort))
// Restart apiserver
initialRestartCount, err := framework.GetApiserverRestartCount(cs)
Expect(err).NotTo(HaveOccurred(), "failed to get apiserver's restart count")
By("Restarting apiserver")
if err := framework.RestartApiserver(cs.Discovery()); err != nil {
if err := framework.RestartApiserver(cs); err != nil {
framework.Failf("error restarting apiserver: %v", err)
}
By("Waiting for apiserver to be restarted")
if err := framework.WaitForApiserverRestarted(cs, initialRestartCount); err != nil {
framework.Failf("error while waiting for apiserver to be restarted: %v", err)
}
By("Waiting for apiserver to come up by polling /healthz")
if err := framework.WaitForApiserverUp(cs); err != nil {
framework.Failf("error while waiting for apiserver up: %v", err)