Golang fields.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)
}

// NewSourceAPIserver creates config source that watches for changes to the services and endpoints.
func NewSourceAPI(c *client.Client, period time.Duration, servicesChan chan<- ServiceUpdate, endpointsChan chan<- EndpointsUpdate) {
	servicesLW := cache.NewListWatchFromClient(c, "services", api.NamespaceAll, fields.Everything())
	endpointsLW := cache.NewListWatchFromClient(c, "endpoints", api.NamespaceAll, fields.Everything())

	newServicesSourceApiFromLW(servicesLW, period, servicesChan)
	newEndpointsSourceApiFromLW(endpointsLW, period, endpointsChan)
}

func checkExistingRCRecovers(f Framework) {
	By("assert that the pre-existing replication controller recovers")
	podClient := f.Client.Pods(f.Namespace.Name)
	rcSelector := labels.Set{"name": "baz"}.AsSelector()

	By("deleting pods from existing replication controller")
	expectNoError(wait.Poll(time.Millisecond*500, time.Second*60, func() (bool, error) {
		pods, err := podClient.List(rcSelector, fields.Everything())
		if err != nil {
			Logf("apiserver returned error, as expected before recovery: %v", err)
			return false, nil
		}
		if len(pods.Items) == 0 {
			return false, nil
		}
		for _, pod := range pods.Items {
			err = podClient.Delete(pod.Name, api.NewDeleteOptions(0))
			Expect(err).NotTo(HaveOccurred())
		}
		Logf("apiserver has recovered")
		return true, nil
	}))

	By("waiting for replication controller to recover")
	expectNoError(wait.Poll(time.Millisecond*500, time.Second*60, func() (bool, error) {
		pods, err := podClient.List(rcSelector, fields.Everything())
		Expect(err).NotTo(HaveOccurred())
		for _, pod := range pods.Items {
			if pod.DeletionTimestamp == nil && api.IsPodReady(&pod) {
				return true, nil
			}
		}
		return false, nil
	}))
}

// newLoadBalancerController creates a new controller from the given config.
func newLoadBalancerController(cfg *loadBalancerConfig, kubeClient *unversioned.Client, namespace string) *loadBalancerController {

	lbc := loadBalancerController{
		cfg:    cfg,
		client: kubeClient,
		queue:  workqueue.New(),
		reloadRateLimiter: util.NewTokenBucketRateLimiter(
			reloadQPS, int(reloadQPS)),
		targetService:   *targetService,
		forwardServices: *forwardServices,
		httpPort:        *httpPort,
		tcpServices:     map[string]int{},
	}

	for _, service := range strings.Split(*tcpServices, ",") {
		portSplit := strings.Split(service, ":")
		if len(portSplit) != 2 {
			glog.Errorf("Ignoring misconfigured TCP service %v", service)
			continue
		}
		if port, err := strconv.Atoi(portSplit[1]); err != nil {
			glog.Errorf("Ignoring misconfigured TCP service %v: %v", service, err)
			continue
		} else {
			lbc.tcpServices[portSplit[0]] = port
		}
	}
	enqueue := func(obj interface{}) {
		key, err := keyFunc(obj)
		if err != nil {
			glog.Infof("Couldn't get key for object %+v: %v", obj, err)
			return
		}
		lbc.queue.Add(key)
	}
	eventHandlers := framework.ResourceEventHandlerFuncs{
		AddFunc:    enqueue,
		DeleteFunc: enqueue,
		UpdateFunc: func(old, cur interface{}) {
			if !reflect.DeepEqual(old, cur) {
				enqueue(cur)
			}
		},
	}

	lbc.svcLister.Store, lbc.svcController = framework.NewInformer(
		cache.NewListWatchFromClient(
			lbc.client, "services", namespace, fields.Everything()),
		&api.Service{}, resyncPeriod, eventHandlers)

	lbc.epLister.Store, lbc.epController = framework.NewInformer(
		cache.NewListWatchFromClient(
			lbc.client, "endpoints", namespace, fields.Everything()),
		&api.Endpoints{}, resyncPeriod, eventHandlers)

	return &lbc
}

// 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
}

// 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
}

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 (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)
	}
}

// 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
}

func (s *storage) ListThirdPartyResourceData(ctx api.Context, label labels.Selector) (*extensions.ThirdPartyResourceDataList, error) {
	obj, err := s.List(ctx, label, fields.Everything())
	if err != nil {
		return nil, err
	}
	return obj.(*extensions.ThirdPartyResourceDataList), nil
}

func (t *Tester) testListMatchLabels(obj runtime.Object, assignFn AssignFunc) {
	ctx := t.TestContext()
	testLabels := map[string]string{"key": "value"}

	foo1 := copyOrDie(obj)
	t.setObjectMeta(foo1, "foo1")
	foo2 := copyOrDie(obj)
	foo2Meta := t.getObjectMetaOrFail(foo2)
	foo2Meta.Name = "foo2"
	foo2Meta.Namespace = api.NamespaceValue(ctx)
	foo2Meta.Labels = testLabels

	existing := assignFn([]runtime.Object{foo1, foo2})
	filtered := []runtime.Object{existing[1]}

	selector := labels.SelectorFromSet(labels.Set(testLabels))
	listObj, err := t.storage.(rest.Lister).List(ctx, selector, 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(filtered) {
		t.Errorf("unexpected number of items: %v", len(items))
	}
	if !api.Semantic.DeepEqual(filtered, items) {
		t.Errorf("expected: %#v, got: %#v", filtered, items)
	}
}

func TestListServicesLabels(t *testing.T) {
	ns := api.NamespaceDefault
	labelSelectorQueryParamName := unversioned.LabelSelectorQueryParam(testapi.Default.Version())
	c := &testClient{
		Request: testRequest{
			Method: "GET",
			Path:   testapi.Default.ResourcePath("services", ns, ""),
			Query:  buildQueryValues(url.Values{labelSelectorQueryParamName: []string{"foo=bar,name=baz"}})},
		Response: Response{StatusCode: 200,
			Body: &api.ServiceList{
				Items: []api.Service{
					{
						ObjectMeta: api.ObjectMeta{
							Name: "name",
							Labels: map[string]string{
								"foo":  "bar",
								"name": "baz",
							},
						},
						Spec: api.ServiceSpec{
							Selector: map[string]string{
								"one": "two",
							},
						},
					},
				},
			},
		},
	}
	c.Setup(t)
	c.QueryValidator[labelSelectorQueryParamName] = validateLabels
	selector := labels.Set{"foo": "bar", "name": "baz"}.AsSelector()
	receivedServiceList, err := c.Services(ns).List(selector, fields.Everything())
	c.Validate(t, receivedServiceList, err)
}

func TestListServices(t *testing.T) {
	ns := api.NamespaceDefault
	c := &testClient{
		Request: testRequest{
			Method: "GET",
			Path:   testapi.Default.ResourcePath("services", ns, ""),
			Query:  buildQueryValues(nil)},
		Response: Response{StatusCode: 200,
			Body: &api.ServiceList{
				Items: []api.Service{
					{
						ObjectMeta: api.ObjectMeta{
							Name: "name",
							Labels: map[string]string{
								"foo":  "bar",
								"name": "baz",
							},
						},
						Spec: api.ServiceSpec{
							Selector: map[string]string{
								"one": "two",
							},
						},
					},
				},
			},
		},
	}
	receivedServiceList, err := c.Setup(t).Services(ns).List(labels.Everything(), fields.Everything())
	t.Logf("received services: %v %#v", err, receivedServiceList)
	c.Validate(t, receivedServiceList, err)
}

func TestListPods(t *testing.T) {
	ns := api.NamespaceDefault
	c := &testClient{
		Request: testRequest{Method: "GET", Path: testapi.Default.ResourcePath("pods", ns, ""), Query: buildQueryValues(nil)},
		Response: Response{StatusCode: 200,
			Body: &api.PodList{
				Items: []api.Pod{
					{
						Status: api.PodStatus{
							Phase: api.PodRunning,
						},
						ObjectMeta: api.ObjectMeta{
							Labels: map[string]string{
								"foo":  "bar",
								"name": "baz",
							},
						},
					},
				},
			},
		},
	}
	receivedPodList, err := c.Setup(t).Pods(ns).List(labels.Everything(), fields.Everything())
	c.Validate(t, receivedPodList, err)
}