Golang PodClient.Delete方法代碼示例

// testHostIP tests that a pod gets a host IP
func testHostIP(podClient *framework.PodClient, pod *api.Pod) {
	By("creating pod")
	defer podClient.Delete(pod.Name, api.NewDeleteOptions(0))
	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)
		Expect(err).NotTo(HaveOccurred())
		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)
	}
}

				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, metav1.GetOptions{})
		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, v1.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.ClientSet, 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 {
				if pod.Name != kubeletPod.Name {
					continue
				}
				if kubeletPod.ObjectMeta.DeletionTimestamp == nil {
					framework.Logf("deletion has not yet been observed")

				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())
		})

		It("should be possible to delete", func() {
			err := podClient.Delete(podName, &v1.DeleteOptions{})
			Expect(err).To(BeNil(), fmt.Sprintf("Error deleting Pod %v", err))
		})
	})
	Context("when scheduling a read only busybox container", func() {
		podName := "busybox-readonly-fs" + string(uuid.NewUUID())
		It("it should not write to root filesystem [Conformance]", func() {
			isReadOnly := true
			podClient.CreateSync(&v1.Pod{
				ObjectMeta: v1.ObjectMeta{
					Name: podName,
				},
				Spec: v1.PodSpec{
					// Don't restart the Pod since it is expected to exit
					RestartPolicy: v1.RestartPolicyNever,
					Containers: []v1.Container{

	f := framework.NewDefaultFramework("kubelet-eviction-manager")
	var podClient *framework.PodClient
	var c *client.Client

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

	Describe("hard eviction test", func() {
		Context("pod using the most disk space gets evicted when the node disk usage is above the eviction hard threshold", func() {
			var busyPodName, idlePodName, verifyPodName string
			var containersToCleanUp map[string]bool

			AfterEach(func() {
				podClient.Delete(busyPodName, &api.DeleteOptions{})
				podClient.Delete(idlePodName, &api.DeleteOptions{})
				podClient.Delete(verifyPodName, &api.DeleteOptions{})
				for container := range containersToCleanUp {
					// TODO: to be container implementation agnostic
					cmd := exec.Command("docker", "rm", "-f", strings.Trim(container, dockertools.DockerPrefix))
					cmd.Run()
				}
			})

			BeforeEach(func() {
				if !isImageSupported() || !evictionOptionIsSet() {
					return
				}

				busyPodName = "to-evict" + string(uuid.NewUUID())

		f.TestContainerOutput("downward API volume plugin", pod, 0, []string{
			fmt.Sprintf("%s\n", podName),
		})
	})

	It("should update labels on modification [Conformance]", func() {
		labels := map[string]string{}
		labels["key1"] = "value1"
		labels["key2"] = "value2"

		podName := "labelsupdate" + string(uuid.NewUUID())
		pod := downwardAPIVolumePodForUpdateTest(podName, labels, map[string]string{}, "/etc/labels")
		containerName := "client-container"
		defer func() {
			By("Deleting the pod")
			podClient.Delete(pod.Name, api.NewDeleteOptions(0))
		}()
		By("Creating the pod")
		podClient.CreateSync(pod)

		Eventually(func() (string, error) {
			return framework.GetPodLogs(f.Client, f.Namespace.Name, podName, containerName)
		},
			podLogTimeout, framework.Poll).Should(ContainSubstring("key1=\"value1\"\n"))

		//modify labels
		podClient.Update(podName, func(pod *api.Pod) {
			pod.Labels["key3"] = "value3"
		})

		Eventually(func() (string, error) {

		options := api.ListOptions{LabelSelector: selector}
		pods, err := podClient.List(options)
		Expect(err).NotTo(HaveOccurred(), "failed to query for pods")
		Expect(len(pods.Items)).To(Equal(0))
		options = api.ListOptions{
			LabelSelector:   selector,
			ResourceVersion: pods.ListMeta.ResourceVersion,
		}
		w, err := podClient.Watch(options)
		Expect(err).NotTo(HaveOccurred(), "failed to set up watch")

		By("submitting the pod to kubernetes")
		// We call defer here in case there is a problem with
		// the test so we can ensure that we clean up after
		// ourselves
		defer podClient.Delete(pod.Name, api.NewDeleteOptions(0))
		podClient.Create(pod)

		By("verifying the pod is in kubernetes")
		selector = labels.SelectorFromSet(labels.Set(map[string]string{"time": value}))
		options = api.ListOptions{LabelSelector: selector}
		pods, err = podClient.List(options)
		Expect(err).NotTo(HaveOccurred(), "failed to query for pods")
		Expect(len(pods.Items)).To(Equal(1))

		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)
			}

					{
						Name:    "init2",
						Image:   "gcr.io/google_containers/busybox:1.24",
						Command: []string{"/bin/true"},
					},
				},
				Containers: []api.Container{
					{
						Name:    "run1",
						Image:   "gcr.io/google_containers/busybox:1.24",
						Command: []string{"/bin/true"},
					},
				},
			},
		}
		defer podClient.Delete(pod.Name, nil)
		startedPod := podClient.Create(pod)
		w, err := podClient.Watch(api.SingleObject(startedPod.ObjectMeta))
		Expect(err).NotTo(HaveOccurred(), "error watching a pod")
		wr := watch.NewRecorder(w)
		event, err := watch.Until(framework.PodStartTimeout, wr, client.PodCompleted)
		Expect(err).To(BeNil())
		framework.CheckInvariants(wr.Events(), framework.ContainerInitInvariant)
		endPod := event.Object.(*api.Pod)

		Expect(endPod.Status.Phase).To(Equal(api.PodSucceeded))
		_, init := api.GetPodCondition(&endPod.Status, api.PodInitialized)
		Expect(init).NotTo(BeNil())
		Expect(init.Status).To(Equal(api.ConditionTrue))

		Expect(len(endPod.Status.InitContainerStatuses)).To(Equal(2))