Golang Client.Namespaces方法代码示例

func extinguish(c *client.Client, totalNS int, maxAllowedAfterDel int, maxSeconds int) {

	var err error

	for n := 0; n < totalNS; n += 1 {
		_, err = createTestingNS(fmt.Sprintf("nslifetest-%v", n), c)
		Expect(err).NotTo(HaveOccurred())
	}

	//Wait 10 seconds, then SEND delete requests for all the namespaces.
	time.Sleep(time.Duration(10 * time.Second))
	nsList, err := c.Namespaces().List(labels.Everything(), fields.Everything())
	Expect(err).NotTo(HaveOccurred())
	for _, item := range nsList.Items {
		if strings.Contains(item.Name, "nslifetest") {
			if err := c.Namespaces().Delete(item.Name); err != nil {
				Failf("Failed deleting error ::: --- %v ", err)
			}
		}
		Logf("namespace : %v api call to delete is complete ", item)
	}

	//Now POLL until all namespaces have been eradicated.
	expectNoError(wait.Poll(2*time.Second, time.Duration(maxSeconds)*time.Second,
		func() (bool, error) {
			if rem, err := countRemaining(c, "nslifetest"); err != nil || rem > maxAllowedAfterDel {
				Logf("Remaining namespaces : %v", rem)
				return false, err
			} else {
				return true, nil
			}
		}))

}

// createNamespaceIfDoesNotExist ensures that the namespace with specified name exists, or returns an error
func createNamespaceIfDoesNotExist(c *client.Client, name string) (*api.Namespace, error) {
	namespace, err := c.Namespaces().Get(name)
	if err != nil {
		namespace, err = c.Namespaces().Create(&api.Namespace{ObjectMeta: api.ObjectMeta{Name: name}})
	}
	return namespace, err
}

func newProjectAuthorizationCache(openshiftClient *osclient.Client, kubeClient *kclient.Client,
	policyClient policyclient.ReadOnlyPolicyClient) *projectauth.AuthorizationCache {
	return projectauth.NewAuthorizationCache(
		projectauth.NewReviewer(openshiftClient),
		kubeClient.Namespaces(),
		policyClient,
	)
}

func countRemaining(c *client.Client, withName string) (int, error) {
	var cnt = 0
	nsList, err := c.Namespaces().List(labels.Everything(), fields.Everything())
	for _, item := range nsList.Items {
		if strings.Contains(item.Name, "nslifetest") {
			cnt++
		}
	}
	return cnt, err
}

// createNS should be used by every test, note that we append a common prefix to the provided test name.
func createTestingNS(baseName string, c *client.Client) (*api.Namespace, error) {
	namespaceObj := &api.Namespace{
		ObjectMeta: api.ObjectMeta{
			Name:      fmt.Sprintf("e2e-tests-%v-%v", baseName, uuid.New()),
			Namespace: "",
		},
		Status: api.NamespaceStatus{},
	}
	_, err := c.Namespaces().Create(namespaceObj)
	return namespaceObj, err
}

func extinguish(c *client.Client, totalNS int, maxAllowedAfterDel int, maxSeconds int) {
	var err error

	By("Creating testing namespaces")
	wg := &sync.WaitGroup{}
	for n := 0; n < totalNS; n += 1 {
		wg.Add(1)
		go func(n int) {
			defer wg.Done()
			defer GinkgoRecover()
			_, err = createTestingNS(fmt.Sprintf("nslifetest-%v", n), c)
			Expect(err).NotTo(HaveOccurred())
		}(n)
	}
	wg.Wait()

	By("Waiting 10 seconds")
	//Wait 10 seconds, then SEND delete requests for all the namespaces.
	time.Sleep(time.Duration(10 * time.Second))
	By("Deleting namespaces")
	nsList, err := c.Namespaces().List(labels.Everything(), fields.Everything())
	Expect(err).NotTo(HaveOccurred())
	var nsCount = 0
	for _, item := range nsList.Items {
		if strings.Contains(item.Name, "nslifetest") {
			wg.Add(1)
			nsCount++
			go func(nsName string) {
				defer wg.Done()
				defer GinkgoRecover()
				Expect(c.Namespaces().Delete(nsName)).To(Succeed())
				Logf("namespace : %v api call to delete is complete ", nsName)
			}(item.Name)
		}
	}
	Expect(nsCount).To(Equal(totalNS))
	wg.Wait()

	By("Waiting for namespaces to vanish")
	//Now POLL until all namespaces have been eradicated.
	expectNoError(wait.Poll(2*time.Second, time.Duration(maxSeconds)*time.Second,
		func() (bool, error) {
			if rem, err := countRemaining(c, "nslifetest"); err != nil || rem > maxAllowedAfterDel {
				Logf("Remaining namespaces : %v", rem)
				return false, err
			} else {
				return true, nil
			}
		}))

}

func watchProxyTest(cluster1AdminKubeClient, cluster2AdminKubeClient *kclient.Client, t *testing.T) {
	// list namespaces in order to determine correct resourceVersion
	namespaces, err := cluster1AdminKubeClient.Namespaces().List(labels.Everything(), fields.Everything())

	// open a watch on Cluster 2 for namespaces starting with latest resourceVersion
	namespaceWatch, err := cluster2AdminKubeClient.Namespaces().Watch(labels.Everything(), fields.Everything(), namespaces.ResourceVersion)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	defer namespaceWatch.Stop()

	// add namespace in Cluster 2
	namespace := &kapi.Namespace{
		ObjectMeta: kapi.ObjectMeta{Name: "test-namespace"},
	}
	createdNamespace, err := cluster2AdminKubeClient.Namespaces().Create(namespace)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	// consume watch output and record it if it's the event we want to see
	select {
	case e := <-namespaceWatch.ResultChan():
		// check that the watch shows the new namespace
		if e.Type != watch.Added {
			t.Fatalf("expected an Added event but got: %v", e)
		}
		addedNamespace, ok := e.Object.(*kapi.Namespace)
		if !ok {
			t.Fatalf("unexpected cast error from event Object to Namespace")
		}
		if addedNamespace.ObjectMeta.Name != createdNamespace.Name {
			t.Fatalf("namespace returned from Watch is not the same ast that created: got %v, wanted %v", createdNamespace, addedNamespace)
		}

	case <-time.After(10 * time.Second):
		t.Fatal("Timed out waiting for watch")
	}
}

var _ = Describe("[Skipped] persistentVolumes", func() {
	var c *client.Client
	var ns string

	BeforeEach(func() {
		var err error
		c, err = loadClient()
		Expect(err).NotTo(HaveOccurred())
		ns_, err := createTestingNS("pv", c)
		ns = ns_.Name
		Expect(err).NotTo(HaveOccurred())
	})

	AfterEach(func() {
		By(fmt.Sprintf("Destroying namespace for this suite %v", ns))
		if err := c.Namespaces().Delete(ns); err != nil {
			Failf("Couldn't delete ns %s", err)
		}
	})

	It("PersistentVolume", func() {
		config := VolumeTestConfig{
			namespace:   ns,
			prefix:      "nfs",
			serverImage: "gcr.io/google_containers/volume-nfs",
			serverPorts: []int{2049},
		}

		defer func() {
			volumeTestCleanup(c, config)
		}()

var _ = Describe("Examples e2e", func() {
	var c *client.Client
	var ns string
	var testingNs *api.Namespace
	BeforeEach(func() {
		var err error
		c, err = loadClient()
		expectNoError(err)
		testingNs, err = createTestingNS("examples", c)
		ns = testingNs.Name
		Expect(err).NotTo(HaveOccurred())
	})

	AfterEach(func() {
		By(fmt.Sprintf("Destroying namespace for this suite %v", ns))
		if err := c.Namespaces().Delete(ns); err != nil {
			Failf("Couldn't delete ns %s", err)
		}
	})

	Describe("[Skipped][Example]Redis", func() {
		It("should create and stop redis servers", func() {
			mkpath := func(file string) string {
				return filepath.Join(testContext.RepoRoot, "examples/redis", file)
			}
			bootstrapYaml := mkpath("redis-master.yaml")
			sentinelServiceYaml := mkpath("redis-sentinel-service.yaml")
			sentinelControllerYaml := mkpath("redis-sentinel-controller.yaml")
			controllerYaml := mkpath("redis-controller.yaml")

			bootstrapPodName := "redis-master"

	AfterEach(func() {
		// Remove any remaining pods from this test if the
		// replication controller still exists and the replica count
		// isn't 0.  This means the controller wasn't cleaned up
		// during the test so clean it up here
		rc, err := c.ReplicationControllers(ns).Get(RCName)
		if err == nil && rc.Spec.Replicas != 0 {
			By("Cleaning up the replication controller")
			err := DeleteRC(c, ns, RCName)
			expectNoError(err)
		}

		// Clean up the namespace if a non-default one was used
		if ns != api.NamespaceDefault {
			By("Cleaning up the namespace")
			err := c.Namespaces().Delete(ns)
			expectNoError(err)
		}
	})

	// Tests with "Skipped" substring in their name will be skipped when running
	// e2e test suite without --ginkgo.focus & --ginkgo.skip flags.
	type Density struct {
		skip          bool
		podsPerMinion int
	}

	densityTests := []Density{
		// This test should always run, even if larger densities are skipped.
		{podsPerMinion: 3, skip: false},
		{podsPerMinion: 30, skip: false},