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Merge pull request #41276 from Random-Liu/print-pods-containers-in-oom-score-test

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Automatic merge from submit-queue

Print running pods and containers in infra container oom score test.

Printing more logs to help debug https://github.com/kubernetes/kubernetes/issues/37580.

@yujuhong @feiskyer
This commit is contained in:
Kubernetes Submit Queue 2017-02-11 08:06:16 -08:00 committed by GitHub
commit 14ab8eb0ad
1 changed files with 51 additions and 40 deletions
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91
test/e2e_node/container_manager_test.go
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@ -92,50 +92,61 @@ var _ = framework.KubeDescribe("Kubelet Container Manager [Serial]", func() {
return validateOOMScoreAdjSetting(kubeletPids[0], -999)
}, 5*time.Minute, 30*time.Second).Should(BeNil())
})
It("pod infra containers oom-score-adj should be -998 and best effort container's should be 1000", func() {
var err error
podClient := f.PodClient()
podName := "besteffort" + string(uuid.NewUUID())
podClient.Create(&v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: podName,
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Image: "gcr.io/google_containers/serve_hostname:v1.4",
Name: podName,
Context("", func() {
It("pod infra containers oom-score-adj should be -998 and best effort container's should be 1000", func() {
var err error
podClient := f.PodClient()
podName := "besteffort" + string(uuid.NewUUID())
podClient.Create(&v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: podName,
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Image: "gcr.io/google_containers/serve_hostname:v1.4",
Name: podName,
},
},
},
},
})
var pausePids []int
By("checking infra container's oom-score-adj")
Eventually(func() error {
pausePids, err = getPidsForProcess("pause", "")
if err != nil {
return fmt.Errorf("failed to get list of pause pids: %v", err)
}
for _, pid := range pausePids {
if err := validateOOMScoreAdjSetting(pid, -998); err != nil {
return err
})
var pausePids []int
By("checking infra container's oom-score-adj")
Eventually(func() error {
pausePids, err = getPidsForProcess("pause", "")
if err != nil {
return fmt.Errorf("failed to get list of pause pids: %v", err)
}
for _, pid := range pausePids {
if err := validateOOMScoreAdjSetting(pid, -998); err != nil {
return err
}
}
return nil
}, 2*time.Minute, time.Second*4).Should(BeNil())
var shPids []int
By("checking besteffort container's oom-score-adj")
Eventually(func() error {
shPids, err = getPidsForProcess("serve_hostname", "")
if err != nil {
return fmt.Errorf("failed to get list of serve hostname process pids: %v", err)
}
if len(shPids) != 1 {
return fmt.Errorf("expected only one serve_hostname process; found %d", len(shPids))
}
return validateOOMScoreAdjSetting(shPids[0], 1000)
}, 2*time.Minute, time.Second*4).Should(BeNil())
})
// Log the running containers here to help debugging. Use `docker ps`
// directly for now because the test is already docker specific.
AfterEach(func() {
if CurrentGinkgoTestDescription().Failed {
By("Dump all running docker containers")
output, err := exec.Command("docker", "ps").CombinedOutput()
Expect(err).NotTo(HaveOccurred())
framework.Logf("Running docker containers:\n%s", string(output))
}
return nil
}, 2*time.Minute, time.Second*4).Should(BeNil())
var shPids []int
By("checking besteffort container's oom-score-adj")
Eventually(func() error {
shPids, err = getPidsForProcess("serve_hostname", "")
if err != nil {
return fmt.Errorf("failed to get list of serve hostname process pids: %v", err)
}
if len(shPids) != 1 {
return fmt.Errorf("expected only one serve_hostname process; found %d", len(shPids))
}
return validateOOMScoreAdjSetting(shPids[0], 1000)
}, 2*time.Minute, time.Second*4).Should(BeNil())
})
})
It("guaranteed container's oom-score-adj should be -998", func() {
podClient := f.PodClient()