Golang labels.Everything函数代码示例

func TestNewClient(t *testing.T) {
	o := NewObjects(api.Scheme, api.Scheme)
	if err := AddObjectsFromPath("../../../../examples/guestbook/frontend-service.yaml", o, api.Scheme); err != nil {
		t.Fatal(err)
	}
	client := &Fake{}
	client.AddReactor("*", "*", ObjectReaction(o, testapi.Default.RESTMapper()))
	list, err := client.Services("test").List(labels.Everything(), fields.Everything())
	if err != nil {
		t.Fatal(err)
	}
	if len(list.Items) != 1 {
		t.Fatalf("unexpected list %#v", list)
	}

	// When list is invoked a second time, the same results are returned.
	list, err = client.Services("test").List(labels.Everything(), fields.Everything())
	if err != nil {
		t.Fatal(err)
	}
	if len(list.Items) != 1 {
		t.Fatalf("unexpected list %#v", list)
	}
	t.Logf("list: %#v", list)
}

func New(kubeClient client.Interface, resyncPeriod controller.ResyncPeriodFunc, threshold int) *GCController {
	eventBroadcaster := record.NewBroadcaster()
	eventBroadcaster.StartLogging(glog.Infof)
	eventBroadcaster.StartRecordingToSink(kubeClient.Events(""))

	gcc := &GCController{
		kubeClient: kubeClient,
		threshold:  threshold,
		deletePod: func(namespace, name string) error {
			return kubeClient.Pods(namespace).Delete(name, api.NewDeleteOptions(0))
		},
	}

	terminatedSelector := compileTerminatedPodSelector()

	gcc.podStore.Store, gcc.podStoreSyncer = framework.NewInformer(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return gcc.kubeClient.Pods(api.NamespaceAll).List(labels.Everything(), terminatedSelector)
			},
			WatchFunc: func(rv string) (watch.Interface, error) {
				return gcc.kubeClient.Pods(api.NamespaceAll).Watch(labels.Everything(), terminatedSelector, rv)
			},
		},
		&api.Pod{},
		resyncPeriod(),
		framework.ResourceEventHandlerFuncs{},
	)
	return gcc
}

// TestGetNodeAddresses verifies that proper results are returned
// when requesting node addresses.
func TestGetNodeAddresses(t *testing.T) {
	master, _, assert := setUp(t)

	// Fail case (no addresses associated with nodes)
	nodes, _ := master.nodeRegistry.ListNodes(api.NewDefaultContext(), labels.Everything(), fields.Everything())
	addrs, err := master.getNodeAddresses()

	assert.Error(err, "getNodeAddresses should have caused an error as there are no addresses.")
	assert.Equal([]string(nil), addrs)

	// Pass case with External type IP
	nodes, _ = master.nodeRegistry.ListNodes(api.NewDefaultContext(), labels.Everything(), fields.Everything())
	for index := range nodes.Items {
		nodes.Items[index].Status.Addresses = []api.NodeAddress{{Type: api.NodeExternalIP, Address: "127.0.0.1"}}
	}
	addrs, err = master.getNodeAddresses()
	assert.NoError(err, "getNodeAddresses should not have returned an error.")
	assert.Equal([]string{"127.0.0.1", "127.0.0.1"}, addrs)

	// Pass case with LegacyHost type IP
	nodes, _ = master.nodeRegistry.ListNodes(api.NewDefaultContext(), labels.Everything(), fields.Everything())
	for index := range nodes.Items {
		nodes.Items[index].Status.Addresses = []api.NodeAddress{{Type: api.NodeLegacyHostIP, Address: "127.0.0.2"}}
	}
	addrs, err = master.getNodeAddresses()
	assert.NoError(err, "getNodeAddresses failback should not have returned an error.")
	assert.Equal([]string{"127.0.0.2", "127.0.0.2"}, addrs)
}

// NewResourceQuota creates a new resource quota admission control handler
func NewResourceQuota(client client.Interface) admission.Interface {
	lw := &cache.ListWatch{
		ListFunc: func() (runtime.Object, error) {
			return client.ResourceQuotas(api.NamespaceAll).List(labels.Everything())
		},
		WatchFunc: func(resourceVersion string) (watch.Interface, error) {
			return client.ResourceQuotas(api.NamespaceAll).Watch(labels.Everything(), fields.Everything(), resourceVersion)
		},
	}
	indexer, reflector := cache.NewNamespaceKeyedIndexerAndReflector(lw, &api.ResourceQuota{}, 0)
	reflector.Run()
	return createResourceQuota(client, indexer)
}

// NewTokensController returns a new *TokensController.
func NewTokensController(cl client.Interface, options TokensControllerOptions) *TokensController {
	e := &TokensController{
		client: cl,
		token:  options.TokenGenerator,
		rootCA: options.RootCA,
	}

	e.serviceAccounts, e.serviceAccountController = framework.NewIndexerInformer(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return e.client.ServiceAccounts(api.NamespaceAll).List(labels.Everything(), fields.Everything())
			},
			WatchFunc: func(rv string) (watch.Interface, error) {
				return e.client.ServiceAccounts(api.NamespaceAll).Watch(labels.Everything(), fields.Everything(), rv)
			},
		},
		&api.ServiceAccount{},
		options.ServiceAccountResync,
		framework.ResourceEventHandlerFuncs{
			AddFunc:    e.serviceAccountAdded,
			UpdateFunc: e.serviceAccountUpdated,
			DeleteFunc: e.serviceAccountDeleted,
		},
		cache.Indexers{"namespace": cache.MetaNamespaceIndexFunc},
	)

	tokenSelector := fields.SelectorFromSet(map[string]string{client.SecretType: string(api.SecretTypeServiceAccountToken)})
	e.secrets, e.secretController = framework.NewIndexerInformer(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return e.client.Secrets(api.NamespaceAll).List(labels.Everything(), tokenSelector)
			},
			WatchFunc: func(rv string) (watch.Interface, error) {
				return e.client.Secrets(api.NamespaceAll).Watch(labels.Everything(), tokenSelector, rv)
			},
		},
		&api.Secret{},
		options.SecretResync,
		framework.ResourceEventHandlerFuncs{
			AddFunc:    e.secretAdded,
			UpdateFunc: e.secretUpdated,
			DeleteFunc: e.secretDeleted,
		},
		cache.Indexers{"namespace": cache.MetaNamespaceIndexFunc},
	)

	e.serviceAccountsSynced = e.serviceAccountController.HasSynced
	e.secretsSynced = e.secretController.HasSynced

	return e
}

// NewPersistentVolumeClaimBinder creates a new PersistentVolumeClaimBinder
func NewPersistentVolumeClaimBinder(kubeClient client.Interface, syncPeriod time.Duration) *PersistentVolumeClaimBinder {
	volumeIndex := NewPersistentVolumeOrderedIndex()
	binderClient := NewBinderClient(kubeClient)
	binder := &PersistentVolumeClaimBinder{
		volumeIndex: volumeIndex,
		client:      binderClient,
	}

	_, volumeController := framework.NewInformer(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return kubeClient.PersistentVolumes().List(labels.Everything(), fields.Everything())
			},
			WatchFunc: func(resourceVersion string) (watch.Interface, error) {
				return kubeClient.PersistentVolumes().Watch(labels.Everything(), fields.Everything(), resourceVersion)
			},
		},
		&api.PersistentVolume{},
		// TODO: Can we have much longer period here?
		syncPeriod,
		framework.ResourceEventHandlerFuncs{
			AddFunc:    binder.addVolume,
			UpdateFunc: binder.updateVolume,
			DeleteFunc: binder.deleteVolume,
		},
	)
	_, claimController := framework.NewInformer(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return kubeClient.PersistentVolumeClaims(api.NamespaceAll).List(labels.Everything(), fields.Everything())
			},
			WatchFunc: func(resourceVersion string) (watch.Interface, error) {
				return kubeClient.PersistentVolumeClaims(api.NamespaceAll).Watch(labels.Everything(), fields.Everything(), resourceVersion)
			},
		},
		&api.PersistentVolumeClaim{},
		// TODO: Can we have much longer period here?
		syncPeriod,
		framework.ResourceEventHandlerFuncs{
			AddFunc:    binder.addClaim,
			UpdateFunc: binder.updateClaim,
			// no DeleteFunc needed.  a claim requires no clean-up.
			// syncVolume handles the missing claim
		},
	)

	binder.claimController = claimController
	binder.volumeController = volumeController

	return binder
}

func doServiceAccountAPIRequests(t *testing.T, c *client.Client, ns string, authenticated bool, canRead bool, canWrite bool) {
	testSecret := &api.Secret{
		ObjectMeta: api.ObjectMeta{Name: "testSecret"},
		Data:       map[string][]byte{"test": []byte("data")},
	}

	readOps := []testOperation{
		func() error { _, err := c.Secrets(ns).List(labels.Everything(), fields.Everything()); return err },
		func() error { _, err := c.Pods(ns).List(labels.Everything(), fields.Everything()); return err },
	}
	writeOps := []testOperation{
		func() error { _, err := c.Secrets(ns).Create(testSecret); return err },
		func() error { return c.Secrets(ns).Delete(testSecret.Name) },
	}

	for _, op := range readOps {
		err := op()
		unauthorizedError := errors.IsUnauthorized(err)
		forbiddenError := errors.IsForbidden(err)

		switch {
		case !authenticated && !unauthorizedError:
			t.Fatalf("expected unauthorized error, got %v", err)
		case authenticated && unauthorizedError:
			t.Fatalf("unexpected unauthorized error: %v", err)
		case authenticated && canRead && forbiddenError:
			t.Fatalf("unexpected forbidden error: %v", err)
		case authenticated && !canRead && !forbiddenError:
			t.Fatalf("expected forbidden error, got: %v", err)
		}
	}

	for _, op := range writeOps {
		err := op()
		unauthorizedError := errors.IsUnauthorized(err)
		forbiddenError := errors.IsForbidden(err)

		switch {
		case !authenticated && !unauthorizedError:
			t.Fatalf("expected unauthorized error, got %v", err)
		case authenticated && unauthorizedError:
			t.Fatalf("unexpected unauthorized error: %v", err)
		case authenticated && canWrite && forbiddenError:
			t.Fatalf("unexpected forbidden error: %v", err)
		case authenticated && !canWrite && !forbiddenError:
			t.Fatalf("expected forbidden error, got: %v", err)
		}
	}
}

// NewServiceAccountsController returns a new *ServiceAccountsController.
func NewServiceAccountsController(cl client.Interface, options ServiceAccountsControllerOptions) *ServiceAccountsController {
	e := &ServiceAccountsController{
		client: cl,
		names:  options.Names,
	}

	accountSelector := fields.Everything()
	if len(options.Names) == 1 {
		// If we're maintaining a single account, we can scope the accounts we watch to just that name
		accountSelector = fields.SelectorFromSet(map[string]string{client.ObjectNameField: options.Names.List()[0]})
	}
	e.serviceAccounts, e.serviceAccountController = framework.NewIndexerInformer(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return e.client.ServiceAccounts(api.NamespaceAll).List(labels.Everything(), accountSelector)
			},
			WatchFunc: func(rv string) (watch.Interface, error) {
				return e.client.ServiceAccounts(api.NamespaceAll).Watch(labels.Everything(), accountSelector, rv)
			},
		},
		&api.ServiceAccount{},
		options.ServiceAccountResync,
		framework.ResourceEventHandlerFuncs{
			DeleteFunc: e.serviceAccountDeleted,
		},
		cache.Indexers{"namespace": cache.MetaNamespaceIndexFunc},
	)

	e.namespaces, e.namespaceController = framework.NewIndexerInformer(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return e.client.Namespaces().List(labels.Everything(), fields.Everything())
			},
			WatchFunc: func(rv string) (watch.Interface, error) {
				return e.client.Namespaces().Watch(labels.Everything(), fields.Everything(), rv)
			},
		},
		&api.Namespace{},
		options.NamespaceResync,
		framework.ResourceEventHandlerFuncs{
			AddFunc:    e.namespaceAdded,
			UpdateFunc: e.namespaceUpdated,
		},
		cache.Indexers{"name": nameIndexFunc},
	)

	return e
}

func deletePods(kubeClient client.Interface, ns string, before unversioned.Time) (int64, error) {
	items, err := kubeClient.Pods(ns).List(labels.Everything(), fields.Everything())
	if err != nil {
		return 0, err
	}
	expired := unversioned.Now().After(before.Time)
	var deleteOptions *api.DeleteOptions
	if expired {
		deleteOptions = api.NewDeleteOptions(0)
	}
	estimate := int64(0)
	for i := range items.Items {
		if items.Items[i].Spec.TerminationGracePeriodSeconds != nil {
			grace := *items.Items[i].Spec.TerminationGracePeriodSeconds
			if grace > estimate {
				estimate = grace
			}
		}
		err := kubeClient.Pods(ns).Delete(items.Items[i].Name, deleteOptions)
		if err != nil && !errors.IsNotFound(err) {
			return 0, err
		}
	}
	if expired {
		estimate = 0
	}
	return estimate, nil
}

func (gcc *GCController) gc() {
	terminatedPods, _ := gcc.podStore.List(labels.Everything())
	terminatedPodCount := len(terminatedPods)
	sort.Sort(byCreationTimestamp(terminatedPods))

	deleteCount := terminatedPodCount - gcc.threshold

	if deleteCount > terminatedPodCount {
		deleteCount = terminatedPodCount
	}
	if deleteCount > 0 {
		glog.Infof("garbage collecting %v pods", deleteCount)
	}

	var wait sync.WaitGroup
	for i := 0; i < deleteCount; i++ {
		wait.Add(1)
		go func(namespace string, name string) {
			defer wait.Done()
			if err := gcc.deletePod(namespace, name); err != nil {
				// ignore not founds
				defer util.HandleError(err)
			}
		}(terminatedPods[i].Namespace, terminatedPods[i].Name)
	}
	wait.Wait()
}

func TestListIngress(t *testing.T) {
	ns := api.NamespaceAll
	c := &testClient{
		Request: testRequest{
			Method: "GET",
			Path:   testapi.Extensions.ResourcePath(getIngressResourceName(), ns, ""),
		},
		Response: Response{StatusCode: 200,
			Body: &extensions.IngressList{
				Items: []extensions.Ingress{
					{
						ObjectMeta: api.ObjectMeta{
							Name: "foo",
							Labels: map[string]string{
								"foo":  "bar",
								"name": "baz",
							},
						},
						Spec: extensions.IngressSpec{
							Rules: []extensions.IngressRule{},
						},
					},
				},
			},
		},
	}
	receivedIngressList, err := c.Setup(t).Extensions().Ingress(ns).List(labels.Everything(), fields.Everything())
	c.Validate(t, receivedIngressList, err)
}

func TestListControllers(t *testing.T) {
	ns := api.NamespaceAll
	c := &testClient{
		Request: testRequest{
			Method: "GET",
			Path:   testapi.Default.ResourcePath(getRCResourceName(), ns, ""),
		},
		Response: Response{StatusCode: 200,
			Body: &api.ReplicationControllerList{
				Items: []api.ReplicationController{
					{
						ObjectMeta: api.ObjectMeta{
							Name: "foo",
							Labels: map[string]string{
								"foo":  "bar",
								"name": "baz",
							},
						},
						Spec: api.ReplicationControllerSpec{
							Replicas: 2,
							Template: &api.PodTemplateSpec{},
						},
					},
				},
			},
		},
	}
	receivedControllerList, err := c.Setup(t).ReplicationControllers(ns).List(labels.Everything())
	c.Validate(t, receivedControllerList, err)

}

func (t *Tester) testListFound(obj runtime.Object, assignFn AssignFunc) {
	ctx := t.TestContext()

	foo1 := copyOrDie(obj)
	t.setObjectMeta(foo1, "foo1")
	foo2 := copyOrDie(obj)
	t.setObjectMeta(foo2, "foo2")

	existing := assignFn([]runtime.Object{foo1, foo2})

	listObj, err := t.storage.(rest.Lister).List(ctx, labels.Everything(), fields.Everything())
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	items, err := listToItems(listObj)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	if len(items) != len(existing) {
		t.Errorf("unexpected number of items: %v", len(items))
	}
	if !api.Semantic.DeepEqual(existing, items) {
		t.Errorf("expected: %#v, got: %#v", existing, items)
	}
}

func (ks *KubernetesScheduler) recoverTasks() error {
	podList, err := ks.client.Pods(api.NamespaceAll).List(labels.Everything(), fields.Everything())
	if err != nil {
		log.V(1).Infof("failed to recover pod registry, madness may ensue: %v", err)
		return err
	}
	recoverSlave := func(t *podtask.T) {

		slaveId := t.Spec.SlaveID
		ks.slaveHostNames.Register(slaveId, t.Offer.Host())
	}
	for _, pod := range podList.Items {
		if _, isMirrorPod := pod.Annotations[kubelet.ConfigMirrorAnnotationKey]; isMirrorPod {
			// mirrored pods are never reconciled because the scheduler isn't responsible for
			// scheduling them; they're started by the executor/kubelet upon instantiation and
			// reflected in the apiserver afterward. the scheduler has no knowledge of them.
			continue
		}
		if t, ok, err := podtask.RecoverFrom(pod); err != nil {
			log.Errorf("failed to recover task from pod, will attempt to delete '%v/%v': %v", pod.Namespace, pod.Name, err)
			err := ks.client.Pods(pod.Namespace).Delete(pod.Name, nil)
			//TODO(jdef) check for temporary or not-found errors
			if err != nil {
				log.Errorf("failed to delete pod '%v/%v': %v", pod.Namespace, pod.Name, err)
			}
		} else if ok {
			ks.taskRegistry.Register(t, nil)
			recoverSlave(t)
			log.Infof("recovered task %v from pod %v/%v", t.ID, pod.Namespace, pod.Name)
		}
	}
	return nil
}

// afterEach deletes the namespace, after reading its events.
func (f *Framework) afterEach() {
	// Print events if the test failed.
	if CurrentGinkgoTestDescription().Failed {
		By(fmt.Sprintf("Collecting events from namespace %q.", f.Namespace.Name))
		events, err := f.Client.Events(f.Namespace.Name).List(labels.Everything(), fields.Everything())
		Expect(err).NotTo(HaveOccurred())

		for _, e := range events.Items {
			Logf("event for %v: %v %v: %v", e.InvolvedObject.Name, e.Source, e.Reason, e.Message)
		}
		// Note that we don't wait for any cleanup to propagate, which means
		// that if you delete a bunch of pods right before ending your test,
		// you may or may not see the killing/deletion/cleanup events.

		dumpAllPodInfo(f.Client)
	}

	// Check whether all nodes are ready after the test.
	if err := allNodesReady(f.Client, time.Minute); err != nil {
		Failf("All nodes should be ready after test, %v", err)
	}

	By(fmt.Sprintf("Destroying namespace %q for this suite.", f.Namespace.Name))

	timeout := 5 * time.Minute
	if f.NamespaceDeletionTimeout != 0 {
		timeout = f.NamespaceDeletionTimeout
	}
	if err := deleteNS(f.Client, f.Namespace.Name, timeout); err != nil {
		Failf("Couldn't delete ns %q: %s", f.Namespace.Name, err)
	}
	// Paranoia-- prevent reuse!
	f.Namespace = nil
	f.Client = nil
}