Golang Client.Endpoints方法代碼示例

func runMasterServiceTest(client *client.Client) {
	time.Sleep(12 * time.Second)
	svcList, err := client.Services(api.NamespaceDefault).List(labels.Everything())
	if err != nil {
		glog.Fatalf("unexpected error listing services: %v", err)
	}
	var foundRW bool
	found := sets.String{}
	for i := range svcList.Items {
		found.Insert(svcList.Items[i].Name)
		if svcList.Items[i].Name == "kubernetes" {
			foundRW = true
		}
	}
	if foundRW {
		ep, err := client.Endpoints(api.NamespaceDefault).Get("kubernetes")
		if err != nil {
			glog.Fatalf("unexpected error listing endpoints for kubernetes service: %v", err)
		}
		if countEndpoints(ep) == 0 {
			glog.Fatalf("no endpoints for kubernetes service: %v", ep)
		}
	} else {
		glog.Errorf("no RW service found: %v", found)
		glog.Fatal("Kubernetes service test failed")
	}
	glog.Infof("Master service test passed.")
}

func endpointsSet(c *client.Client, serviceNamespace, serviceID string, endpointCount int) wait.ConditionFunc {
	return func() (bool, error) {
		endpoints, err := c.Endpoints(serviceNamespace).Get(serviceID)
		if err != nil {
			glog.Infof("Error getting endpoints: %v", err)
			return false, nil
		}
		count := 0
		for _, ss := range endpoints.Subsets {
			for _, addr := range ss.Addresses {
				for _, port := range ss.Ports {
					count++
					glog.Infof("%s/%s endpoint: %s:%d %#v", serviceNamespace, serviceID, addr.IP, port.Port, addr.TargetRef)
				}
			}
		}
		return count == endpointCount, nil
	}
}

func validateEndpointsOrFail(c *client.Client, namespace, serviceName string, expectedEndpoints PortsByPodName) {
	By(fmt.Sprintf("waiting up to %v for service %s in namespace %s to expose endpoints %v", serviceStartTimeout, serviceName, namespace, expectedEndpoints))
	i := 1
	for start := time.Now(); time.Since(start) < serviceStartTimeout; time.Sleep(1 * time.Second) {
		endpoints, err := c.Endpoints(namespace).Get(serviceName)
		if err != nil {
			Logf("Get endpoints failed (%v elapsed, ignoring for 5s): %v", time.Since(start), err)
			continue
		}
		// Logf("Found endpoints %v", endpoints)

		portsByPodUID := getContainerPortsByPodUID(endpoints)
		// Logf("Found port by pod UID %v", portsByPodUID)

		expectedPortsByPodUID := translatePodNameToUIDOrFail(c, namespace, expectedEndpoints)
		if len(portsByPodUID) == len(expectedEndpoints) {
			validatePortsOrFail(portsByPodUID, expectedPortsByPodUID)
			Logf("successfully validated that service %s in namespace %s exposes endpoints %v (%v elapsed)",
				serviceName, namespace, expectedEndpoints, time.Since(start))
			return
		}

		if i%5 == 0 {
			Logf("Unexpected endpoints: found %v, expected %v (%v elapsed, will retry)", portsByPodUID, expectedEndpoints, time.Since(start))
		}
		i++
	}

	if pods, err := c.Pods(api.NamespaceAll).List(labels.Everything(), fields.Everything()); err == nil {
		for _, pod := range pods.Items {
			Logf("Pod %s\t%s\t%s\t%s", pod.Namespace, pod.Name, pod.Spec.NodeName, pod.DeletionTimestamp)
		}
	} else {
		Logf("Can't list pod debug info: %v", err)
	}
	Failf("Timed out waiting for service %s in namespace %s to expose endpoints %v (%v elapsed)", serviceName, namespace, expectedEndpoints, serviceStartTimeout)
}

			mkpath := func(file string) string {
				return filepath.Join(testContext.RepoRoot, "examples/guestbook-go", file)
			}
			controllerJson := mkpath("redis-master-controller.json")
			nsFlag := fmt.Sprintf("--namespace=%v", ns)

			redisPort := 6379

			By("creating Redis RC")
			runKubectlOrDie("create", "-f", controllerJson, nsFlag)
			forEachPod(c, ns, "app", "redis", func(pod api.Pod) {
				lookForStringInLog(ns, pod.Name, "redis-master", "The server is now ready to accept connections", podStartTimeout)
			})
			validateService := func(name string, servicePort int, timeout time.Duration) {
				err := wait.Poll(poll, timeout, func() (bool, error) {
					endpoints, err := c.Endpoints(ns).Get(name)
					if err != nil {
						if apierrs.IsNotFound(err) {
							err = nil
						}
						Logf("Get endpoints failed (interval %v): %v", poll, err)
						return false, err
					}

					uidToPort := getContainerPortsByPodUID(endpoints)
					if len(uidToPort) == 0 {
						Logf("No endpoint found, retrying")
						return false, nil
					}
					if len(uidToPort) > 1 {
						Fail("Too many endpoints found")

							{
								IP: serverIP,
							},
						},
						Ports: []api.EndpointPort{
							{
								Name:     "gluster",
								Port:     24007,
								Protocol: api.ProtocolTCP,
							},
						},
					},
				},
			}

			endClient := c.Endpoints(config.namespace)

			defer func() {
				if clean {
					endClient.Delete(config.prefix + "-server")
				}
			}()

			if _, err := endClient.Create(&endpoints); err != nil {
				Failf("Failed to create endpoints for Gluster server: %v", err)
			}

			volume := api.VolumeSource{
				Glusterfs: &api.GlusterfsVolumeSource{
					EndpointsName: config.prefix + "-server",
					// 'test_vol' comes from test/images/volumes-tester/gluster/run_gluster.sh