Golang Client.Services方法代码示例

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 := util.StringSet{}
	for i := range svcList.Items {
		found.Insert(svcList.Items[i].Name)
		if svcList.Items[i].Name == "qingyuan" {
			foundRW = true
		}
	}
	if foundRW {
		ep, err := client.Endpoints(api.NamespaceDefault).Get("qingyuan")
		if err != nil {
			glog.Fatalf("unexpected error listing endpoints for qingyuan service: %v", err)
		}
		if countEndpoints(ep) == 0 {
			glog.Fatalf("no endpoints for qingyuan service: %v", ep)
		}
	} else {
		glog.Errorf("no RW service found: %v", found)
		glog.Fatal("QingYuan service test failed")
	}
	glog.Infof("Master service test passed.")
}

func expectedServicesExist(c *client.Client) error {
	serviceList, err := c.Services(api.NamespaceDefault).List(labels.Everything())
	if err != nil {
		return err
	}
	for _, service := range serviceList.Items {
		if _, ok := expectedServices[service.Name]; ok {
			expectedServices[service.Name] = true
		}
	}
	for service, found := range expectedServices {
		if !found {
			return fmt.Errorf("Service %q not found", service)
		}
	}
	return nil
}

func waitForLoadBalancerDestroy(c *client.Client, serviceName, namespace string) (*api.Service, error) {
	// TODO: once support ticket 21807001 is resolved, reduce this timeout back to something reasonable
	const timeout = 10 * time.Minute
	var service *api.Service
	By(fmt.Sprintf("waiting up to %v for service %s in namespace %s to have no LoadBalancer ingress points", timeout, serviceName, namespace))
	for start := time.Now(); time.Since(start) < timeout; time.Sleep(5 * time.Second) {
		service, err := c.Services(namespace).Get(serviceName)
		if err != nil {
			Logf("Get service failed, ignoring for 5s: %v", err)
			continue
		}
		if len(service.Status.LoadBalancer.Ingress) == 0 {
			return service, nil
		}
		Logf("Waiting for service %s in namespace %s to have no LoadBalancer ingress points (%v)", serviceName, namespace, time.Since(start))
	}
	return service, fmt.Errorf("service %s in namespace %s still has LoadBalancer ingress points after %.2f seconds", serviceName, namespace, timeout.Seconds())
}

			Expect(err).NotTo(HaveOccurred())
			namespaces[i] = namespacePtr.Name
		}
	})

	AfterEach(func() {
		for _, ns := range namespaces {
			By(fmt.Sprintf("Destroying namespace %v", ns))
			if err := c.Namespaces().Delete(ns); err != nil {
				Failf("Couldn't delete namespace %s: %s", ns, err)
			}
		}
	})
	// TODO: We get coverage of TCP/UDP and multi-port services through the DNS test. We should have a simpler test for multi-port TCP here.
	It("should provide secure master service", func() {
		_, err := c.Services(api.NamespaceDefault).Get("qingyuan")
		Expect(err).NotTo(HaveOccurred())
	})

	It("should serve a basic endpoint from pods", func() {
		serviceName := "endpoint-test2"
		ns := namespaces[0]
		labels := map[string]string{
			"foo": "bar",
			"baz": "blah",
		}

		defer func() {
			err := c.Services(ns).Delete(serviceName)
			Expect(err).NotTo(HaveOccurred())
		}()

				Name: svcName,
				Labels: map[string]string{
					"name": svcName,
				},
			},
			Spec: api.ServiceSpec{
				Ports: []api.ServicePort{{
					Port:       8765,
					TargetPort: util.NewIntOrStringFromInt(8080),
				}},
				Selector: map[string]string{
					"name": serverName,
				},
			},
		}
		defer c.Services(api.NamespaceDefault).Delete(svc.Name)
		_, err = c.Services(api.NamespaceDefault).Create(svc)
		if err != nil {
			Fail(fmt.Sprintf("Failed to create service: %v", err))
		}

		// Make a client pod that verifies that it has the service environment variables.
		podName := "client-envvars-" + string(util.NewUUID())
		pod := &api.Pod{
			ObjectMeta: api.ObjectMeta{
				Name:   podName,
				Labels: map[string]string{"name": podName},
			},
			Spec: api.PodSpec{
				Containers: []api.Container{
					{

func runServiceTest(client *client.Client) {
	pod := &api.Pod{
		ObjectMeta: api.ObjectMeta{
			Name: "foo",
			Labels: map[string]string{
				"name": "thisisalonglabel",
			},
		},
		Spec: api.PodSpec{
			Containers: []api.Container{
				{
					Name:  "c1",
					Image: "foo",
					Ports: []api.ContainerPort{
						{ContainerPort: 1234},
					},
					ImagePullPolicy: api.PullIfNotPresent,
				},
			},
			RestartPolicy: api.RestartPolicyAlways,
			DNSPolicy:     api.DNSClusterFirst,
		},
		Status: api.PodStatus{
			PodIP: "1.2.3.4",
		},
	}
	pod, err := client.Pods(api.NamespaceDefault).Create(pod)
	if err != nil {
		glog.Fatalf("Failed to create pod: %v, %v", pod, err)
	}
	if err := wait.Poll(time.Second, time.Second*20, podExists(client, pod.Namespace, pod.Name)); err != nil {
		glog.Fatalf("FAILED: pod never started running %v", err)
	}
	svc1 := &api.Service{
		ObjectMeta: api.ObjectMeta{Name: "service1"},
		Spec: api.ServiceSpec{
			Selector: map[string]string{
				"name": "thisisalonglabel",
			},
			Ports: []api.ServicePort{{
				Port:     8080,
				Protocol: "TCP",
			}},
			SessionAffinity: "None",
		},
	}
	svc1, err = client.Services(api.NamespaceDefault).Create(svc1)
	if err != nil {
		glog.Fatalf("Failed to create service: %v, %v", svc1, err)
	}

	// create an identical service in the non-default namespace
	svc3 := &api.Service{
		ObjectMeta: api.ObjectMeta{Name: "service1"},
		Spec: api.ServiceSpec{
			Selector: map[string]string{
				"name": "thisisalonglabel",
			},
			Ports: []api.ServicePort{{
				Port:     8080,
				Protocol: "TCP",
			}},
			SessionAffinity: "None",
		},
	}
	svc3, err = client.Services("other").Create(svc3)
	if err != nil {
		glog.Fatalf("Failed to create service: %v, %v", svc3, err)
	}

	// TODO Reduce the timeouts in this test when endpoints controller is sped up. See #6045.
	if err := wait.Poll(time.Second, time.Second*60, endpointsSet(client, svc1.Namespace, svc1.Name, 1)); err != nil {
		glog.Fatalf("FAILED: unexpected endpoints: %v", err)
	}
	// A second service with the same port.
	svc2 := &api.Service{
		ObjectMeta: api.ObjectMeta{Name: "service2"},
		Spec: api.ServiceSpec{
			Selector: map[string]string{
				"name": "thisisalonglabel",
			},
			Ports: []api.ServicePort{{
				Port:     8080,
				Protocol: "TCP",
			}},
			SessionAffinity: "None",
		},
	}
	svc2, err = client.Services(api.NamespaceDefault).Create(svc2)
	if err != nil {
		glog.Fatalf("Failed to create service: %v, %v", svc2, err)
	}
	if err := wait.Poll(time.Second, time.Second*60, endpointsSet(client, svc2.Namespace, svc2.Name, 1)); err != nil {
		glog.Fatalf("FAILED: unexpected endpoints: %v", err)
	}

	if err := wait.Poll(time.Second, time.Second*60, endpointsSet(client, svc3.Namespace, svc3.Name, 0)); err != nil {
		glog.Fatalf("FAILED: service in other namespace should have no endpoints: %v", err)
	}

//.........这里部分代码省略.........

func runPatchTest(c *client.Client) {
	name := "patchservice"
	resource := "services"
	svcBody := api.Service{
		TypeMeta: api.TypeMeta{
			APIVersion: c.APIVersion(),
		},
		ObjectMeta: api.ObjectMeta{
			Name:   name,
			Labels: map[string]string{},
		},
		Spec: api.ServiceSpec{
			// This is here because validation requires it.
			Selector: map[string]string{
				"foo": "bar",
			},
			Ports: []api.ServicePort{{
				Port:     12345,
				Protocol: "TCP",
			}},
			SessionAffinity: "None",
		},
	}
	services := c.Services(api.NamespaceDefault)
	svc, err := services.Create(&svcBody)
	if err != nil {
		glog.Fatalf("Failed creating patchservice: %v", err)
	}

	patchBodies := map[string]map[api.PatchType]struct {
		AddLabelBody        []byte
		RemoveLabelBody     []byte
		RemoveAllLabelsBody []byte
	}{
		"v1beta3": {
			api.JSONPatchType: {
				[]byte(`[{"op":"add","path":"/metadata/labels","value":{"foo":"bar","baz":"qux"}}]`),
				[]byte(`[{"op":"remove","path":"/metadata/labels/foo"}]`),
				[]byte(`[{"op":"remove","path":"/metadata/labels"}]`),
			},
			api.MergePatchType: {
				[]byte(`{"metadata":{"labels":{"foo":"bar","baz":"qux"}}}`),
				[]byte(`{"metadata":{"labels":{"foo":null}}}`),
				[]byte(`{"metadata":{"labels":null}}`),
			},
			api.StrategicMergePatchType: {
				[]byte(`{"metadata":{"labels":{"foo":"bar","baz":"qux"}}}`),
				[]byte(`{"metadata":{"labels":{"foo":null}}}`),
				[]byte(`{"metadata":{"labels":{"$patch":"replace"}}}`),
			},
		},
		"v1": {
			api.JSONPatchType: {
				[]byte(`[{"op":"add","path":"/metadata/labels","value":{"foo":"bar","baz":"qux"}}]`),
				[]byte(`[{"op":"remove","path":"/metadata/labels/foo"}]`),
				[]byte(`[{"op":"remove","path":"/metadata/labels"}]`),
			},
			api.MergePatchType: {
				[]byte(`{"metadata":{"labels":{"foo":"bar","baz":"qux"}}}`),
				[]byte(`{"metadata":{"labels":{"foo":null}}}`),
				[]byte(`{"metadata":{"labels":null}}`),
			},
			api.StrategicMergePatchType: {
				[]byte(`{"metadata":{"labels":{"foo":"bar","baz":"qux"}}}`),
				[]byte(`{"metadata":{"labels":{"foo":null}}}`),
				[]byte(`{"metadata":{"labels":{"$patch":"replace"}}}`),
			},
		},
	}

	pb := patchBodies[c.APIVersion()]

	execPatch := func(pt api.PatchType, body []byte) error {
		return c.Patch(pt).
			Resource(resource).
			Namespace(api.NamespaceDefault).
			Name(name).
			Body(body).
			Do().
			Error()
	}
	for k, v := range pb {
		// add label
		err := execPatch(k, v.AddLabelBody)
		if err != nil {
			glog.Fatalf("Failed updating patchservice with patch type %s: %v", k, err)
		}
		svc, err = services.Get(name)
		if err != nil {
			glog.Fatalf("Failed getting patchservice: %v", err)
		}
		if len(svc.Labels) != 2 || svc.Labels["foo"] != "bar" || svc.Labels["baz"] != "qux" {
			glog.Fatalf("Failed updating patchservice with patch type %s: labels are: %v", k, svc.Labels)
		}

		// remove one label
		err = execPatch(k, v.RemoveLabelBody)
		if err != nil {
			glog.Fatalf("Failed updating patchservice with patch type %s: %v", k, err)
		}
//.........这里部分代码省略.........

func runAtomicPutTest(c *client.Client) {
	svcBody := api.Service{
		TypeMeta: api.TypeMeta{
			APIVersion: c.APIVersion(),
		},
		ObjectMeta: api.ObjectMeta{
			Name: "atomicservice",
			Labels: map[string]string{
				"name": "atomicService",
			},
		},
		Spec: api.ServiceSpec{
			// This is here because validation requires it.
			Selector: map[string]string{
				"foo": "bar",
			},
			Ports: []api.ServicePort{{
				Port:     12345,
				Protocol: "TCP",
			}},
			SessionAffinity: "None",
		},
	}
	services := c.Services(api.NamespaceDefault)
	svc, err := services.Create(&svcBody)
	if err != nil {
		glog.Fatalf("Failed creating atomicService: %v", err)
	}
	glog.Info("Created atomicService")
	testLabels := labels.Set{
		"foo": "bar",
	}
	for i := 0; i < 5; i++ {
		// a: z, b: y, etc...
		testLabels[string([]byte{byte('a' + i)})] = string([]byte{byte('z' - i)})
	}
	var wg sync.WaitGroup
	wg.Add(len(testLabels))
	for label, value := range testLabels {
		go func(l, v string) {
			for {
				glog.Infof("Starting to update (%s, %s)", l, v)
				tmpSvc, err := services.Get(svc.Name)
				if err != nil {
					glog.Errorf("Error getting atomicService: %v", err)
					continue
				}
				if tmpSvc.Spec.Selector == nil {
					tmpSvc.Spec.Selector = map[string]string{l: v}
				} else {
					tmpSvc.Spec.Selector[l] = v
				}
				glog.Infof("Posting update (%s, %s)", l, v)
				tmpSvc, err = services.Update(tmpSvc)
				if err != nil {
					if apierrors.IsConflict(err) {
						glog.Infof("Conflict: (%s, %s)", l, v)
						// This is what we expect.
						continue
					}
					glog.Errorf("Unexpected error putting atomicService: %v", err)
					continue
				}
				break
			}
			glog.Infof("Done update (%s, %s)", l, v)
			wg.Done()
		}(label, value)
	}
	wg.Wait()
	svc, err = services.Get(svc.Name)
	if err != nil {
		glog.Fatalf("Failed getting atomicService after writers are complete: %v", err)
	}
	if !reflect.DeepEqual(testLabels, labels.Set(svc.Spec.Selector)) {
		glog.Fatalf("Selector PUTs were not atomic: wanted %v, got %v", testLabels, svc.Spec.Selector)
	}
	glog.Info("Atomic PUTs work.")
}

func runSelfLinkTestOnNamespace(c *client.Client, namespace string) {
	svcBody := api.Service{
		ObjectMeta: api.ObjectMeta{
			Name:      "selflinktest",
			Namespace: namespace,
			Labels: map[string]string{
				"name": "selflinktest",
			},
		},
		Spec: api.ServiceSpec{
			// This is here because validation requires it.
			Selector: map[string]string{
				"foo": "bar",
			},
			Ports: []api.ServicePort{{
				Port:     12345,
				Protocol: "TCP",
			}},
			SessionAffinity: "None",
		},
	}
	services := c.Services(namespace)
	svc, err := services.Create(&svcBody)
	if err != nil {
		glog.Fatalf("Failed creating selflinktest service: %v", err)
	}
	err = c.Get().RequestURI(svc.SelfLink).Do().Into(svc)
	if err != nil {
		glog.Fatalf("Failed listing service with supplied self link '%v': %v", svc.SelfLink, err)
	}

	svcList, err := services.List(labels.Everything())
	if err != nil {
		glog.Fatalf("Failed listing services: %v", err)
	}

	err = c.Get().RequestURI(svcList.SelfLink).Do().Into(svcList)
	if err != nil {
		glog.Fatalf("Failed listing services with supplied self link '%v': %v", svcList.SelfLink, err)
	}

	found := false
	for i := range svcList.Items {
		item := &svcList.Items[i]
		if item.Name != "selflinktest" {
			continue
		}
		found = true
		err = c.Get().RequestURI(item.SelfLink).Do().Into(svc)
		if err != nil {
			glog.Fatalf("Failed listing service with supplied self link '%v': %v", item.SelfLink, err)
		}
		break
	}
	if !found {
		glog.Fatalf("never found selflinktest service in namespace %s", namespace)
	}
	glog.Infof("Self link test passed in namespace %s", namespace)

	// TODO: Should test PUT at some point, too.
}