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

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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
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2 changed files with 15 additions and 14 deletions
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21
test/e2e/framework/util.go
View File

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

8
test/e2e/network/service.go
View File

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