Golang PodClient.Get方法代码示例

func getRestartDelay(podClient *framework.PodClient, podName string, containerName string) (time.Duration, error) {
	beginTime := time.Now()
	for time.Since(beginTime) < (2 * maxBackOffTolerance) { // may just miss the 1st MaxContainerBackOff delay
		time.Sleep(time.Second)
		pod, err := podClient.Get(podName, metav1.GetOptions{})
		framework.ExpectNoError(err, fmt.Sprintf("getting pod %s", podName))
		status, ok := v1.GetContainerStatus(pod.Status.ContainerStatuses, containerName)
		if !ok {
			framework.Logf("getRestartDelay: status missing")
			continue
		}

		if status.State.Waiting == nil && status.State.Running != nil && status.LastTerminationState.Terminated != nil && status.State.Running.StartedAt.Time.After(beginTime) {
			startedAt := status.State.Running.StartedAt.Time
			finishedAt := status.LastTerminationState.Terminated.FinishedAt.Time
			framework.Logf("getRestartDelay: restartCount = %d, finishedAt=%s restartedAt=%s (%s)", status.RestartCount, finishedAt, startedAt, startedAt.Sub(finishedAt))
			return startedAt.Sub(finishedAt), nil
		}
	}
	return 0, fmt.Errorf("timeout getting pod restart delay")
}

// testHostIP tests that a pod gets a host IP
func testHostIP(podClient *framework.PodClient, pod *v1.Pod) {
	By("creating pod")
	podClient.CreateSync(pod)

	// Try to make sure we get a hostIP for each pod.
	hostIPTimeout := 2 * time.Minute
	t := time.Now()
	for {
		p, err := podClient.Get(pod.Name, metav1.GetOptions{})
		Expect(err).NotTo(HaveOccurred(), "Failed to get pod %q", pod.Name)
		if p.Status.HostIP != "" {
			framework.Logf("Pod %s has hostIP: %s", p.Name, p.Status.HostIP)
			break
		}
		if time.Since(t) >= hostIPTimeout {
			framework.Failf("Gave up waiting for hostIP of pod %s after %v seconds",
				p.Name, time.Since(t).Seconds())
		}
		framework.Logf("Retrying to get the hostIP of pod %s", p.Name)
		time.Sleep(5 * time.Second)
	}
}

		By("Watching for error events or started pod")
		// watch for events instead of termination of pod because the kubelet deletes
		// failed pods without running containers. This would create a race as the pod
		// might have already been deleted here.
		ev, err := waitForPodErrorEventOrStarted(pod)
		Expect(err).NotTo(HaveOccurred())
		if ev != nil && ev.Reason == sysctl.UnsupportedReason {
			framework.Skipf("No sysctl support in Docker <1.12")
		}
		Expect(ev).To(BeNil())

		By("Waiting for pod completion")
		err = f.WaitForPodNoLongerRunning(pod.Name)
		Expect(err).NotTo(HaveOccurred())
		pod, err = podClient.Get(pod.Name, metav1.GetOptions{})
		Expect(err).NotTo(HaveOccurred())

		By("Checking that the pod succeeded")
		Expect(pod.Status.Phase).To(Equal(v1.PodSucceeded))

		By("Getting logs from the pod")
		log, err := framework.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, pod.Spec.Containers[0].Name)
		Expect(err).NotTo(HaveOccurred())

		By("Checking that the sysctl is actually updated")
		Expect(log).To(ContainSubstring("kernel.shm_rmid_forced = 1"))
	})

	It("should support unsafe sysctls which are actually whitelisted", func() {
		pod := testPod()

		By("verifying pod creation was observed")
		select {
		case event, _ := <-w.ResultChan():
			if event.Type != watch.Added {
				framework.Failf("Failed to observe pod creation: %v", event)
			}
		case <-time.After(framework.PodStartTimeout):
			Fail("Timeout while waiting for pod creation")
		}

		// We need to wait for the pod to be running, otherwise the deletion
		// may be carried out immediately rather than gracefully.
		framework.ExpectNoError(f.WaitForPodRunning(pod.Name))
		// save the running pod
		pod, err = podClient.Get(pod.Name)
		Expect(err).NotTo(HaveOccurred(), "failed to GET scheduled pod")
		framework.Logf("running pod: %#v", pod)

		By("deleting the pod gracefully")
		err = podClient.Delete(pod.Name, api.NewDeleteOptions(30))
		Expect(err).NotTo(HaveOccurred(), "failed to delete pod")

		By("verifying the kubelet observed the termination notice")
		Expect(wait.Poll(time.Second*5, time.Second*30, func() (bool, error) {
			podList, err := framework.GetKubeletPods(f.Client, pod.Spec.NodeName)
			if err != nil {
				framework.Logf("Unable to retrieve kubelet pods for node %v: %v", pod.Spec.NodeName, err)
				return false, nil
			}
			for _, kubeletPod := range podList.Items {

)

var _ = framework.KubeDescribe("Probing container", func() {
	f := framework.NewDefaultFramework("container-probe")
	var podClient *framework.PodClient
	probe := webserverProbeBuilder{}

	BeforeEach(func() {
		podClient = f.PodClient()
	})

	It("with readiness probe should not be ready before initial delay and never restart [Conformance]", func() {
		p := podClient.Create(makePodSpec(probe.withInitialDelay().build(), nil))
		f.WaitForPodReady(p.Name)

		p, err := podClient.Get(p.Name, metav1.GetOptions{})
		framework.ExpectNoError(err)
		isReady, err := testutils.PodRunningReady(p)
		framework.ExpectNoError(err)
		Expect(isReady).To(BeTrue(), "pod should be ready")

		// We assume the pod became ready when the container became ready. This
		// is true for a single container pod.
		readyTime, err := getTransitionTimeForReadyCondition(p)
		framework.ExpectNoError(err)
		startedTime, err := getContainerStartedTime(p, probTestContainerName)
		framework.ExpectNoError(err)

		framework.Logf("Container started at %v, pod became ready at %v", startedTime, readyTime)
		initialDelay := probTestInitialDelaySeconds * time.Second
		if readyTime.Sub(startedTime) < initialDelay {

			})

			It("should evict the pod using the most disk space [Slow]", func() {
				evictionOccurred := false
				nodeDiskPressureCondition := false
				podRescheduleable := false
				Eventually(func() error {
					// Avoid the test using up all the disk space
					err := checkDiskUsage(0.05)
					if err != nil {
						return err
					}

					// The pod should be evicted.
					if !evictionOccurred {
						podData, err := podClient.Get(busyPodName)
						if err != nil {
							return err
						}

						err = verifyPodEviction(podData)
						if err != nil {
							return err
						}

						podData, err = podClient.Get(idlePodName)
						if err != nil {
							return err
						}

						if podData.Status.Phase != api.PodRunning {

)

var _ = framework.KubeDescribe("Probing container", func() {
	f := framework.NewDefaultFramework("container-probe")
	var podClient *framework.PodClient
	probe := webserverProbeBuilder{}

	BeforeEach(func() {
		podClient = f.PodClient()
	})

	It("with readiness probe should not be ready before initial delay and never restart [Conformance]", func() {
		p := podClient.Create(makePodSpec(probe.withInitialDelay().build(), nil))
		f.WaitForPodReady(p.Name)

		p, err := podClient.Get(p.Name)
		framework.ExpectNoError(err)
		isReady, err := testutils.PodRunningReady(p)
		framework.ExpectNoError(err)
		Expect(isReady).To(BeTrue(), "pod should be ready")

		// We assume the pod became ready when the container became ready. This
		// is true for a single container pod.
		readyTime, err := getTransitionTimeForReadyCondition(p)
		framework.ExpectNoError(err)
		startedTime, err := getContainerStartedTime(p, probTestContainerName)
		framework.ExpectNoError(err)

		framework.Logf("Container started at %v, pod became ready at %v", startedTime, readyTime)
		initialDelay := probTestInitialDelaySeconds * time.Second
		if readyTime.Sub(startedTime) < initialDelay {

			})

			It("should evict the pod using the most disk space [Slow]", func() {
				evictionOccurred := false
				nodeDiskPressureCondition := false
				podRescheduleable := false
				Eventually(func() error {
					// Avoid the test using up all the disk space
					err := checkDiskUsage(0.05)
					if err != nil {
						return err
					}

					// The pod should be evicted.
					if !evictionOccurred {
						podData, err := podClient.Get(busyPodName, metav1.GetOptions{})
						if err != nil {
							return err
						}

						err = verifyPodEviction(podData)
						if err != nil {
							return err
						}

						podData, err = podClient.Get(idlePodName, metav1.GetOptions{})
						if err != nil {
							return err
						}

						if podData.Status.Phase != v1.PodRunning {

					// Don't restart the Pod since it is expected to exit
					RestartPolicy: v1.RestartPolicyNever,
					Containers: []v1.Container{
						{
							Image:   "gcr.io/google_containers/busybox:1.24",
							Name:    podName,
							Command: []string{"/bin/false"},
						},
					},
				},
			})
		})

		It("should have an error terminated reason", func() {
			Eventually(func() error {
				podData, err := podClient.Get(podName, metav1.GetOptions{})
				if err != nil {
					return err
				}
				if len(podData.Status.ContainerStatuses) != 1 {
					return fmt.Errorf("expected only one container in the pod %q", podName)
				}
				contTerminatedState := podData.Status.ContainerStatuses[0].State.Terminated
				if contTerminatedState == nil {
					return fmt.Errorf("expected state to be terminated. Got pod status: %+v", podData.Status)
				}
				if contTerminatedState.Reason != "Error" {
					return fmt.Errorf("expected terminated state reason to be error. Got %+v", contTerminatedState)
				}
				return nil
			}, time.Minute, time.Second*4).Should(BeNil())