Example #1
0
// TestSecrets tests apiserver-side behavior of creation of secret objects and their use by pods.
func TestSecrets(t *testing.T) {
	helper, err := framework.NewHelper()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	var m *master.Master
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		m.Handler.ServeHTTP(w, req)
	}))
	defer s.Close()

	m = master.New(&master.Config{
		EtcdHelper:            helper,
		KubeletClient:         client.FakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableUISupport:       false,
		EnableIndex:           true,
		APIPrefix:             "/api",
		Authorizer:            apiserver.NewAlwaysAllowAuthorizer(),
		AdmissionControl:      admit.NewAlwaysAdmit(),
	})

	framework.DeleteAllEtcdKeys()
	client := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Version()})
	DoTestSecrets(t, client, testapi.Version())
}
Example #2
0
// TestUnknownUserIsUnauthorized tests that a user who is unknown
// to the authentication system get status code "Unauthorized".
// An authorization module is installed in this scenario for integration
// test purposes, but requests aren't expected to reach it.
func TestUnknownUserIsUnauthorized(t *testing.T) {
	framework.DeleteAllEtcdKeys()

	// This file has alice and bob in it.

	// Set up a master
	helper, err := framework.NewHelper()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	var m *master.Master
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		m.Handler.ServeHTTP(w, req)
	}))
	defer s.Close()

	m = master.New(&master.Config{
		EtcdHelper:            helper,
		KubeletClient:         client.FakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableUISupport:       false,
		EnableIndex:           true,
		APIPrefix:             "/api",
		// enable v1beta3 if we are testing that api version.
		EnableV1Beta3:    testapi.Version() == "v1beta3",
		Authenticator:    getTestTokenAuth(),
		Authorizer:       allowAliceAuthorizer{},
		AdmissionControl: admit.NewAlwaysAdmit(),
	})

	transport := http.DefaultTransport

	for _, r := range getTestRequests() {
		token := UnknownToken
		bodyBytes := bytes.NewReader([]byte(r.body))
		req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
		if err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
		func() {
			resp, err := transport.RoundTrip(req)
			defer resp.Body.Close()
			if err != nil {
				t.Logf("case %v", r)
				t.Fatalf("unexpected error: %v", err)
			}
			// Expect all of unauthenticated user's request to be "Unauthorized"
			if resp.StatusCode != http.StatusUnauthorized {
				t.Logf("case %v", r)
				t.Errorf("Expected status %v, but got %v", http.StatusUnauthorized, resp.StatusCode)
				b, _ := ioutil.ReadAll(resp.Body)
				t.Errorf("Body: %v", string(b))
			}
		}()
	}
}
Example #3
0
// TestBobIsForbidden tests that a user who is known to
// the authentication system but not authorized to do any actions
// should receive "Forbidden".
func TestBobIsForbidden(t *testing.T) {
	framework.DeleteAllEtcdKeys()

	// This file has alice and bob in it.
	etcdStorage, err := framework.NewEtcdStorage()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	var m *master.Master
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		m.Handler.ServeHTTP(w, req)
	}))
	defer s.Close()

	m = master.New(&master.Config{
		DatabaseStorage:       etcdStorage,
		KubeletClient:         client.FakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableUISupport:       false,
		EnableIndex:           true,
		APIPrefix:             "/api",
		Authenticator:         getTestTokenAuth(),
		Authorizer:            allowAliceAuthorizer{},
		AdmissionControl:      admit.NewAlwaysAdmit(),
	})

	transport := http.DefaultTransport

	for _, r := range getTestRequests() {
		token := BobToken
		bodyBytes := bytes.NewReader([]byte(r.body))
		req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
		if err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))

		func() {
			resp, err := transport.RoundTrip(req)
			defer resp.Body.Close()
			if err != nil {
				t.Logf("case %v", r)
				t.Fatalf("unexpected error: %v", err)
			}
			// Expect all of bob's actions to return Forbidden
			if resp.StatusCode != http.StatusForbidden {
				t.Logf("case %v", r)
				t.Errorf("Expected not status Forbidden, but got %s", resp.Status)
			}
		}()
	}
}
Example #4
0
func TestAuthModeAlwaysDeny(t *testing.T) {
	framework.DeleteAllEtcdKeys()

	// Set up a master
	helper, err := framework.NewHelper()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	var m *master.Master
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		m.Handler.ServeHTTP(w, req)
	}))
	defer s.Close()

	m = master.New(&master.Config{
		EtcdHelper:            helper,
		KubeletClient:         client.FakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableUISupport:       false,
		EnableIndex:           true,
		APIPrefix:             "/api",
		// enable v1beta3 if we are testing that api version.
		EnableV1Beta3:    testapi.Version() == "v1beta3",
		Authorizer:       apiserver.NewAlwaysDenyAuthorizer(),
		AdmissionControl: admit.NewAlwaysAdmit(),
	})

	transport := http.DefaultTransport

	for _, r := range getTestRequests() {
		bodyBytes := bytes.NewReader([]byte(r.body))
		req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
		if err != nil {
			t.Logf("case %v", r)
			t.Fatalf("unexpected error: %v", err)
		}
		func() {
			resp, err := transport.RoundTrip(req)
			defer resp.Body.Close()
			if err != nil {
				t.Logf("case %v", r)
				t.Fatalf("unexpected error: %v", err)
			}
			if resp.StatusCode != http.StatusForbidden {
				t.Logf("case %v", r)
				t.Errorf("Expected status Forbidden but got status %v", resp.Status)
			}
		}()
	}
}
func init() {
	q := flag.Int("bench-quiet", 3, "Quietness, don't glog severities <= given level during the benchmark.")
	pods := flag.Int("bench-pods", -1, "Number of pods for the benchmark. If unspecified, uses b.N.")
	workers := flag.Int("bench-workers", -1, "Number workers for the benchmark. If unspecified, uses tasks.")
	tasks := flag.Int("bench-tasks", -1, "Number of tasks for the benchmark. These tasks are sharded across the workers. If unspecified, uses b.N.")
	flag.Parse()

	// Unfortunately this v level goes in the opposite direction as stderrthreshold.
	flag.Set("v", fmt.Sprintf("%d", *q))

	// We need quiet logs to parse benchmark results, which includes Errorf.
	flag.Set("logtostderr", "false")
	flag.Set("stderrthreshold", fmt.Sprintf("%d", Glog_fatalf-*q))
	Pods = *pods
	Workers = *workers
	Tasks = *tasks
	framework.DeleteAllEtcdKeys()
}
Example #6
0
func TestUnschedulableNodes(t *testing.T) {
	helper, err := framework.NewHelper()
	if err != nil {
		t.Fatalf("Couldn't create etcd helper: %v", err)
	}
	framework.DeleteAllEtcdKeys()

	var m *master.Master
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		m.Handler.ServeHTTP(w, req)
	}))
	defer s.Close()

	m = master.New(&master.Config{
		EtcdHelper:            helper,
		KubeletClient:         client.FakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableUISupport:       false,
		EnableIndex:           true,
		APIPrefix:             "/api",
		// Enable v1beta3 if we are testing that version.
		EnableV1Beta3:    testapi.Version() == "v1beta3",
		Authorizer:       apiserver.NewAlwaysAllowAuthorizer(),
		AdmissionControl: admit.NewAlwaysAdmit(),
	})

	restClient := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Version()})

	schedulerConfigFactory := factory.NewConfigFactory(restClient)
	schedulerConfig, err := schedulerConfigFactory.Create()
	if err != nil {
		t.Fatalf("Couldn't create scheduler config: %v", err)
	}
	eventBroadcaster := record.NewBroadcaster()
	schedulerConfig.Recorder = eventBroadcaster.NewRecorder(api.EventSource{Component: "scheduler"})
	eventBroadcaster.StartRecordingToSink(restClient.Events(""))
	scheduler.New(schedulerConfig).Run()

	defer close(schedulerConfig.StopEverything)

	DoTestUnschedulableNodes(t, restClient, schedulerConfigFactory.NodeLister.Store)
}
Example #7
0
// TestKindAuthorization tests that authorization can be controlled
// by namespace.
func TestKindAuthorization(t *testing.T) {
	framework.DeleteAllEtcdKeys()

	// This file has alice and bob in it.

	// Set up a master
	helper, err := framework.NewHelper()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	a := newAuthorizerWithContents(t, `{"resource": "services"}
`)

	var m *master.Master
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		m.Handler.ServeHTTP(w, req)
	}))
	defer s.Close()

	m = master.New(&master.Config{
		EtcdHelper:            helper,
		KubeletClient:         client.FakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableUISupport:       false,
		EnableIndex:           true,
		APIPrefix:             "/api",
		// enable v1beta3 if we are testing that api version.
		EnableV1Beta3:    testapi.Version() == "v1beta3",
		Authenticator:    getTestTokenAuth(),
		Authorizer:       a,
		AdmissionControl: admit.NewAlwaysAdmit(),
	})

	previousResourceVersion := make(map[string]float64)
	transport := http.DefaultTransport

	requests := []struct {
		verb        string
		URL         string
		body        string
		statusCodes map[int]bool // allowed status codes.
	}{
		{"POST", timeoutPath("services", api.NamespaceDefault, ""), aService, code201},
		{"GET", path("services", api.NamespaceDefault, ""), "", code200},
		{"GET", path("services", api.NamespaceDefault, "a"), "", code200},
		{"DELETE", timeoutPath("services", api.NamespaceDefault, "a"), "", code200},

		{"POST", timeoutPath("pods", api.NamespaceDefault, ""), aPod, code403},
		{"GET", path("pods", "", ""), "", code403},
		{"GET", path("pods", api.NamespaceDefault, "a"), "", code403},
		{"DELETE", timeoutPath("pods", api.NamespaceDefault, "a"), "", code403},
	}

	for _, r := range requests {
		token := BobToken
		var bodyStr string
		if r.body != "" {
			bodyStr = fmt.Sprintf(r.body, "")
			if r.verb == "PUT" && r.body != "" {
				// For update operations, insert previous resource version
				if resVersion := previousResourceVersion[getPreviousResourceVersionKey(r.URL, "")]; resVersion != 0 {
					resourceVersionJson := fmt.Sprintf(",\r\n\"resourceVersion\": \"%v\"", resVersion)
					bodyStr = fmt.Sprintf(r.body, resourceVersionJson)
				}
			}
		}
		r.body = bodyStr
		bodyBytes := bytes.NewReader([]byte(bodyStr))
		req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
		if err != nil {
			t.Logf("case %v", r)
			t.Fatalf("unexpected error: %v", err)
		}
		req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
		{
			resp, err := transport.RoundTrip(req)
			defer resp.Body.Close()
			if err != nil {
				t.Logf("case %v", r)
				t.Fatalf("unexpected error: %v", err)
			}
			b, _ := ioutil.ReadAll(resp.Body)
			if _, ok := r.statusCodes[resp.StatusCode]; !ok {
				t.Logf("case %v", r)
				t.Errorf("Expected status one of %v, but got %v", r.statusCodes, resp.StatusCode)
				t.Errorf("Body: %v", string(b))
			} else {
				if r.verb == "POST" {
					// For successful create operations, extract resourceVersion
					id, currentResourceVersion, err := parseResourceVersion(b)
					if err == nil {
						key := getPreviousResourceVersionKey(r.URL, id)
						previousResourceVersion[key] = currentResourceVersion
					}
				}
			}

		}
	}
}
Example #8
0
// TestAliceNotForbiddenOrUnauthorized tests a user who is known to
// the authentication system and authorized to do any actions.
func TestAliceNotForbiddenOrUnauthorized(t *testing.T) {

	framework.DeleteAllEtcdKeys()

	// This file has alice and bob in it.

	// Set up a master
	helper, err := framework.NewHelper()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	var m *master.Master
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		m.Handler.ServeHTTP(w, req)
	}))
	defer s.Close()

	m = master.New(&master.Config{
		EtcdHelper:            helper,
		KubeletClient:         client.FakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableUISupport:       false,
		EnableIndex:           true,
		APIPrefix:             "/api",
		// enable v1beta3 if we are testing that api version.
		EnableV1Beta3:    testapi.Version() == "v1beta3",
		Authenticator:    getTestTokenAuth(),
		Authorizer:       allowAliceAuthorizer{},
		AdmissionControl: admit.NewAlwaysAdmit(),
	})

	previousResourceVersion := make(map[string]float64)
	transport := http.DefaultTransport

	for _, r := range getTestRequests() {
		token := AliceToken
		var bodyStr string
		if r.body != "" {
			sub := ""
			if r.verb == "PUT" {
				// For update operations, insert previous resource version
				if resVersion := previousResourceVersion[getPreviousResourceVersionKey(r.URL, "")]; resVersion != 0 {
					sub += fmt.Sprintf(",\r\n\"resourceVersion\": \"%v\"", resVersion)
				}
				namespace := "default"
				sub += fmt.Sprintf(",\r\n\"namespace\": %q", namespace)
			}
			bodyStr = fmt.Sprintf(r.body, sub)
		}
		r.body = bodyStr
		bodyBytes := bytes.NewReader([]byte(bodyStr))
		req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
		if err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
		if r.verb == "PATCH" {
			req.Header.Set("Content-Type", "application/merge-patch+json")
		}

		func() {
			resp, err := transport.RoundTrip(req)
			defer resp.Body.Close()
			if err != nil {
				t.Logf("case %v", r)
				t.Fatalf("unexpected error: %v", err)
			}
			b, _ := ioutil.ReadAll(resp.Body)
			if _, ok := r.statusCodes[resp.StatusCode]; !ok {
				t.Logf("case %v", r)
				t.Errorf("Expected status one of %v, but got %v", r.statusCodes, resp.StatusCode)
				t.Errorf("Body: %v", string(b))
			} else {
				if r.verb == "POST" {
					// For successful create operations, extract resourceVersion
					id, currentResourceVersion, err := parseResourceVersion(b)
					if err == nil {
						key := getPreviousResourceVersionKey(r.URL, id)
						previousResourceVersion[key] = currentResourceVersion
					}
				}
			}

		}()
	}
}
Example #9
0
// TestReadOnlyAuthorization tests that authorization can be controlled
// by namespace.
func TestReadOnlyAuthorization(t *testing.T) {
	framework.DeleteAllEtcdKeys()

	// This file has alice and bob in it.

	// Set up a master
	helper, err := framework.NewHelper()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	a := newAuthorizerWithContents(t, `{"readonly": true}`)

	var m *master.Master
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		m.Handler.ServeHTTP(w, req)
	}))
	defer s.Close()

	m = master.New(&master.Config{
		EtcdHelper:            helper,
		KubeletClient:         client.FakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableUISupport:       false,
		EnableIndex:           true,
		APIPrefix:             "/api",
		// enable v1beta3 if we are testing that api version.
		EnableV1Beta3:    testapi.Version() == "v1beta3",
		Authenticator:    getTestTokenAuth(),
		Authorizer:       a,
		AdmissionControl: admit.NewAlwaysAdmit(),
	})

	transport := http.DefaultTransport

	requests := []struct {
		verb        string
		URL         string
		body        string
		statusCodes map[int]bool // allowed status codes.
	}{
		{"POST", path("pods", "", ""), aPod, code403},
		{"GET", path("pods", "", ""), "", code200},
		{"GET", path("pods", api.NamespaceDefault, "a"), "", code404},
	}

	for _, r := range requests {
		token := BobToken
		bodyBytes := bytes.NewReader([]byte(r.body))
		req, err := http.NewRequest(r.verb, s.URL+r.URL, bodyBytes)
		if err != nil {
			t.Fatalf("unexpected error: %v", err)
		}
		req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
		func() {
			resp, err := transport.RoundTrip(req)
			defer resp.Body.Close()
			if err != nil {
				t.Logf("case %v", r)
				t.Fatalf("unexpected error: %v", err)
			}
			if _, ok := r.statusCodes[resp.StatusCode]; !ok {
				t.Logf("case %v", r)
				t.Errorf("Expected status one of %v, but got %v", r.statusCodes, resp.StatusCode)
				b, _ := ioutil.ReadAll(resp.Body)
				t.Errorf("Body: %v", string(b))
			}
		}()
	}
}
Example #10
0
func TestClient(t *testing.T) {
	_, s := framework.RunAMaster(t)
	defer s.Close()

	ns := api.NamespaceDefault
	framework.DeleteAllEtcdKeys()
	client := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Version()})

	info, err := client.ServerVersion()
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if e, a := version.Get(), *info; !reflect.DeepEqual(e, a) {
		t.Errorf("expected %#v, got %#v", e, a)
	}

	pods, err := client.Pods(ns).List(labels.Everything(), fields.Everything())
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if len(pods.Items) != 0 {
		t.Errorf("expected no pods, got %#v", pods)
	}

	// get a validation error
	pod := &api.Pod{
		ObjectMeta: api.ObjectMeta{
			GenerateName: "test",
		},
		Spec: api.PodSpec{
			Containers: []api.Container{
				{
					Name: "test",
				},
			},
		},
	}

	got, err := client.Pods(ns).Create(pod)
	if err == nil {
		t.Fatalf("unexpected non-error: %v", got)
	}

	// get a created pod
	pod.Spec.Containers[0].Image = "an-image"
	got, err = client.Pods(ns).Create(pod)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if got.Name == "" {
		t.Errorf("unexpected empty pod Name %v", got)
	}

	// pod is shown, but not scheduled
	pods, err = client.Pods(ns).List(labels.Everything(), fields.Everything())
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if len(pods.Items) != 1 {
		t.Errorf("expected one pod, got %#v", pods)
	}
	actual := pods.Items[0]
	if actual.Name != got.Name {
		t.Errorf("expected pod %#v, got %#v", got, actual)
	}
	if actual.Spec.NodeName != "" {
		t.Errorf("expected pod to be unscheduled, got %#v", actual)
	}
}
Example #11
0
func TestMultiWatch(t *testing.T) {
	// Disable this test as long as it demonstrates a problem.
	// TODO: Reenable this test when we get #6059 resolved.
	return
	const watcherCount = 50
	runtime.GOMAXPROCS(watcherCount)

	framework.DeleteAllEtcdKeys()
	defer framework.DeleteAllEtcdKeys()
	_, s := framework.RunAMaster(t)
	defer s.Close()

	ns := api.NamespaceDefault
	client := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Version()})

	dummyEvent := func(i int) *api.Event {
		name := fmt.Sprintf("unrelated-%v", i)
		return &api.Event{
			ObjectMeta: api.ObjectMeta{
				Name:      fmt.Sprintf("%v.%x", name, time.Now().UnixNano()),
				Namespace: ns,
			},
			InvolvedObject: api.ObjectReference{
				Name:      name,
				Namespace: ns,
			},
			Reason: fmt.Sprintf("unrelated change %v", i),
		}
	}

	type timePair struct {
		t    time.Time
		name string
	}

	receivedTimes := make(chan timePair, watcherCount*2)
	watchesStarted := sync.WaitGroup{}

	// make a bunch of pods and watch them
	for i := 0; i < watcherCount; i++ {
		watchesStarted.Add(1)
		name := fmt.Sprintf("multi-watch-%v", i)
		got, err := client.Pods(ns).Create(&api.Pod{
			ObjectMeta: api.ObjectMeta{
				Name:   name,
				Labels: labels.Set{"watchlabel": name},
			},
			Spec: api.PodSpec{
				Containers: []api.Container{{
					Name:  "nothing",
					Image: "kubernetes/pause",
				}},
			},
		})

		if err != nil {
			t.Fatalf("Couldn't make %v: %v", name, err)
		}
		go func(name, rv string) {
			w, err := client.Pods(ns).Watch(
				labels.Set{"watchlabel": name}.AsSelector(),
				fields.Everything(),
				rv,
			)
			if err != nil {
				panic(fmt.Sprintf("watch error for %v: %v", name, err))
			}
			defer w.Stop()
			watchesStarted.Done()
			e, ok := <-w.ResultChan() // should get the update (that we'll do below)
			if !ok {
				panic(fmt.Sprintf("%v ended early?", name))
			}
			if e.Type != watch.Modified {
				panic(fmt.Sprintf("Got unexpected watch notification:\n%v: %+v %+v", name, e, e.Object))
			}
			receivedTimes <- timePair{time.Now(), name}
		}(name, got.ObjectMeta.ResourceVersion)
	}
	log.Printf("%v: %v pods made and watchers started", time.Now(), watcherCount)

	// wait for watches to start before we start spamming the system with
	// objects below, otherwise we'll hit the watch window restriction.
	watchesStarted.Wait()

	const (
		useEventsAsUnrelatedType = false
		usePodsAsUnrelatedType   = true
	)

	// make a bunch of unrelated changes in parallel
	if useEventsAsUnrelatedType {
		const unrelatedCount = 3000
		var wg sync.WaitGroup
		defer wg.Wait()
		changeToMake := make(chan int, unrelatedCount*2)
		changeMade := make(chan int, unrelatedCount*2)
		go func() {
			for i := 0; i < unrelatedCount; i++ {
				changeToMake <- i
			}
			close(changeToMake)
		}()
		for i := 0; i < 50; i++ {
			wg.Add(1)
			go func() {
				defer wg.Done()
				for {
					i, ok := <-changeToMake
					if !ok {
						return
					}
					if _, err := client.Events(ns).Create(dummyEvent(i)); err != nil {
						panic(fmt.Sprintf("couldn't make an event: %v", err))
					}
					changeMade <- i
				}
			}()
		}

		for i := 0; i < 2000; i++ {
			<-changeMade
			if (i+1)%50 == 0 {
				log.Printf("%v: %v unrelated changes made", time.Now(), i+1)
			}
		}
	}
	if usePodsAsUnrelatedType {
		const unrelatedCount = 3000
		var wg sync.WaitGroup
		defer wg.Wait()
		changeToMake := make(chan int, unrelatedCount*2)
		changeMade := make(chan int, unrelatedCount*2)
		go func() {
			for i := 0; i < unrelatedCount; i++ {
				changeToMake <- i
			}
			close(changeToMake)
		}()
		for i := 0; i < 50; i++ {
			wg.Add(1)
			go func() {
				defer wg.Done()
				for {
					i, ok := <-changeToMake
					if !ok {
						return
					}
					name := fmt.Sprintf("unrelated-%v", i)
					_, err := client.Pods(ns).Create(&api.Pod{
						ObjectMeta: api.ObjectMeta{
							Name: name,
						},
						Spec: api.PodSpec{
							Containers: []api.Container{{
								Name:  "nothing",
								Image: "kubernetes/pause",
							}},
						},
					})

					if err != nil {
						panic(fmt.Sprintf("couldn't make unrelated pod: %v", err))
					}
					changeMade <- i
				}
			}()
		}

		for i := 0; i < 2000; i++ {
			<-changeMade
			if (i+1)%50 == 0 {
				log.Printf("%v: %v unrelated changes made", time.Now(), i+1)
			}
		}
	}

	// Now we still have changes being made in parallel, but at least 1000 have been made.
	// Make some updates to send down the watches.
	sentTimes := make(chan timePair, watcherCount*2)
	for i := 0; i < watcherCount; i++ {
		go func(i int) {
			name := fmt.Sprintf("multi-watch-%v", i)
			pod, err := client.Pods(ns).Get(name)
			if err != nil {
				panic(fmt.Sprintf("Couldn't get %v: %v", name, err))
			}
			pod.Spec.Containers[0].Image = "kubernetes/pause:1"
			sentTimes <- timePair{time.Now(), name}
			if _, err := client.Pods(ns).Update(pod); err != nil {
				panic(fmt.Sprintf("Couldn't make %v: %v", name, err))
			}
		}(i)
	}

	sent := map[string]time.Time{}
	for i := 0; i < watcherCount; i++ {
		tp := <-sentTimes
		sent[tp.name] = tp.t
	}
	log.Printf("all changes made")
	dur := map[string]time.Duration{}
	for i := 0; i < watcherCount; i++ {
		tp := <-receivedTimes
		delta := tp.t.Sub(sent[tp.name])
		dur[tp.name] = delta
		log.Printf("%v: %v", tp.name, delta)
	}
	log.Printf("all watches ended")
	t.Errorf("durations: %v", dur)
}