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Merge pull request #53336 from jiayingz/e2e-flaky

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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>.

Fixes test/e2e_node/gpu_device_plugin.go test failure.

**What this PR does / why we need it**:

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
fixes https://github.com/kubernetes/kubernetes/issues/53354

**Special notes for your reviewer**:

**Release note**:

```release-note
```
This commit is contained in:
Kubernetes Submit Queue 2017-10-03 18:22:07 -07:00 committed by GitHub
commit 762d1e42dc
1 changed files with 13 additions and 7 deletions
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20
test/e2e_node/gpu_device_plugin.go
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@ -18,6 +18,7 @@ package e2e_node
import (
"os/exec"
"path/filepath"
"regexp"
"time"
@ -59,7 +60,7 @@ var _ = framework.KubeDescribe("NVIDIA GPU Device Plugin [Feature:GPUDevicePlugi
By("Waiting for GPUs to become available on the local node")
Eventually(func() bool {
return framework.NumberOfNVIDIAGPUs(getLocalNode(f)) > 0
}, 10*time.Second, time.Second).Should(BeTrue())
}, 10*time.Second, framework.Poll).Should(BeTrue())
if framework.NumberOfNVIDIAGPUs(getLocalNode(f)) < 2 {
Skip("Not enough GPUs to execute this test (at least two needed)")
@ -138,6 +139,9 @@ func newDecimalResourceList(name v1.ResourceName, quantity int64) v1.ResourceLis
// TODO: Find a uniform way to deal with systemctl/initctl/service operations. #34494
func restartKubelet(f *framework.Framework) {
beforeSocks, err := filepath.Glob("/var/lib/kubelet/device-plugins/nvidiaGPU*.sock")
framework.ExpectNoError(err)
Expect(len(beforeSocks)).NotTo(BeZero())
stdout, err := exec.Command("sudo", "systemctl", "list-units", "kubelet*", "--state=running").CombinedOutput()
framework.ExpectNoError(err)
regex := regexp.MustCompile("(kubelet-[0-9]+)")
@ -146,19 +150,21 @@ func restartKubelet(f *framework.Framework) {
kube := matches[0]
framework.Logf("Get running kubelet with systemctl: %v, %v", string(stdout), kube)
stdout, err = exec.Command("sudo", "systemctl", "restart", kube).CombinedOutput()
if err == nil {
return
}
framework.Failf("Failed to restart kubelet with systemctl: %v, %v", err, stdout)
framework.ExpectNoError(err, "Failed to restart kubelet with systemctl: %v, %v", err, stdout)
Eventually(func() ([]string, error) {
return filepath.Glob("/var/lib/kubelet/device-plugins/nvidiaGPU*.sock")
}, 5*time.Minute, framework.Poll).ShouldNot(ConsistOf(beforeSocks))
}
func getDeviceId(f *framework.Framework, podName string, contName string, restartCount int32) string {
// Wait till pod has been restarted at least restartCount times.
Eventually(func() bool {
p, err := f.PodClient().Get(podName, metav1.GetOptions{})
framework.ExpectNoError(err)
if err != nil || len(p.Status.ContainerStatuses) < 1 {
return false
}
return p.Status.ContainerStatuses[0].RestartCount >= restartCount
}, time.Minute, time.Second).Should(BeTrue())
}, 5*time.Minute, framework.Poll).Should(BeTrue())
logs, err := framework.GetPodLogs(f.ClientSet, f.Namespace.Name, podName, contName)
if err != nil {
framework.Failf("GetPodLogs for pod %q failed: %v", podName, err)