Ejemplo n.º 1
0
func TestUnschedulableNodes(t *testing.T) {
	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()

	masterConfig := framework.NewIntegrationTestMasterConfig()
	m = master.New(masterConfig)

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

	schedulerConfigFactory := factory.NewConfigFactory(restClient, nil)
	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)
}
Ejemplo n.º 2
0
func TestUnschedulableNodes(t *testing.T) {
	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()

	masterConfig := framework.NewIntegrationTestMasterConfig()
	m, err := master.New(masterConfig)
	if err != nil {
		t.Fatalf("Error in bringing up the master: %v", err)
	}

	restClient := client.NewOrDie(&restclient.Config{Host: s.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})

	schedulerConfigFactory := factory.NewConfigFactory(restClient, api.DefaultSchedulerName, api.DefaultHardPodAffinitySymmetricWeight, api.DefaultFailureDomains)
	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: api.DefaultSchedulerName})
	eventBroadcaster.StartRecordingToSink(restClient.Events(""))
	scheduler.New(schedulerConfig).Run()

	defer close(schedulerConfig.StopEverything)

	DoTestUnschedulableNodes(t, restClient, schedulerConfigFactory.NodeLister.Store)
}
Ejemplo n.º 3
0
// mustSetupScheduler starts the following components:
// - k8s api server (a.k.a. master)
// - scheduler
// It returns scheduler config factory and destroyFunc which should be used to
// remove resources after finished.
// Notes on rate limiter:
//   - The BindPodsRateLimiter is nil, meaning no rate limits.
//   - client rate limit is set to 5000.
func mustSetupScheduler() (schedulerConfigFactory *factory.ConfigFactory, destroyFunc func()) {
	framework.DeleteAllEtcdKeys()

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

	c := client.NewOrDie(&client.Config{
		Host:         s.URL,
		GroupVersion: testapi.Default.GroupVersion(),
		QPS:          5000.0,
		Burst:        5000,
	})

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

	destroyFunc = func() {
		glog.Infof("destroying")
		close(schedulerConfig.StopEverything)
		s.Close()
		glog.Infof("destroyed")
	}
	return
}
Ejemplo n.º 4
0
func TestUnschedulableNodes(t *testing.T) {
	etcdStorage, err := framework.NewEtcdStorage()
	if err != nil {
		t.Fatalf("Couldn't create etcd storage: %v", err)
	}
	expEtcdStorage, err := framework.NewExtensionsEtcdStorage(nil)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	storageDestinations := master.NewStorageDestinations()
	storageDestinations.AddAPIGroup("", etcdStorage)
	storageDestinations.AddAPIGroup("extensions", expEtcdStorage)

	storageVersions := make(map[string]string)
	storageVersions[""] = testapi.Default.Version()
	storageVersions["extensions"] = testapi.Extensions.GroupAndVersion()

	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{
		StorageDestinations:   storageDestinations,
		KubeletClient:         client.FakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableUISupport:       false,
		EnableIndex:           true,
		APIPrefix:             "/api",
		Authorizer:            apiserver.NewAlwaysAllowAuthorizer(),
		AdmissionControl:      admit.NewAlwaysAdmit(),
		StorageVersions:       storageVersions,
		PublicAddress:         net.ParseIP("192.168.10.4"),
	})

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

	schedulerConfigFactory := factory.NewConfigFactory(restClient, nil)
	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)
}
Ejemplo n.º 5
0
// Run runs the specified SchedulerServer.  This should never exit.
func (s *SchedulerServer) Run(_ []string) error {
	if s.Kubeconfig == "" && s.Master == "" {
		glog.Warningf("Neither --kubeconfig nor --master was specified.  Using default API client.  This might not work.")
	}

	// This creates a client, first loading any specified kubeconfig
	// file, and then overriding the Master flag, if non-empty.
	kubeconfig, err := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
		&clientcmd.ClientConfigLoadingRules{ExplicitPath: s.Kubeconfig},
		&clientcmd.ConfigOverrides{ClusterInfo: clientcmdapi.Cluster{Server: s.Master}}).ClientConfig()
	if err != nil {
		return err
	}

	// Override kubeconfig qps/burst settings from flags
	kubeconfig.QPS = s.KubeAPIQPS
	kubeconfig.Burst = s.KubeAPIBurst

	kubeClient, err := client.New(kubeconfig)
	if err != nil {
		glog.Fatalf("Invalid API configuration: %v", err)
	}

	go func() {
		mux := http.NewServeMux()
		healthz.InstallHandler(mux)
		if s.EnableProfiling {
			mux.HandleFunc("/debug/pprof/", pprof.Index)
			mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
			mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
		}
		mux.Handle("/metrics", prometheus.Handler())

		server := &http.Server{
			Addr:    net.JoinHostPort(s.Address.String(), strconv.Itoa(s.Port)),
			Handler: mux,
		}
		glog.Fatal(server.ListenAndServe())
	}()

	configFactory := factory.NewConfigFactory(kubeClient, util.NewTokenBucketRateLimiter(s.BindPodsQPS, s.BindPodsBurst))
	config, err := s.createConfig(configFactory)
	if err != nil {
		glog.Fatalf("Failed to create scheduler configuration: %v", err)
	}

	eventBroadcaster := record.NewBroadcaster()
	config.Recorder = eventBroadcaster.NewRecorder(api.EventSource{Component: "scheduler"})
	eventBroadcaster.StartLogging(glog.Infof)
	eventBroadcaster.StartRecordingToSink(kubeClient.Events(""))

	sched := scheduler.New(config)
	sched.Run()

	select {}
}
Ejemplo n.º 6
0
// RunScheduler starts the Kubernetes scheduler
func (c *MasterConfig) RunScheduler() {
	config, err := c.createSchedulerConfig()
	if err != nil {
		glog.Fatalf("Unable to start scheduler: %v", err)
	}
	eventcast := record.NewBroadcaster()
	config.Recorder = eventcast.NewRecorder(kapi.EventSource{Component: "scheduler"})
	eventcast.StartRecordingToSink(c.KubeClient.Events(""))

	s := scheduler.New(config)
	s.Run()
}
Ejemplo n.º 7
0
// Run runs the specified SchedulerServer.  This should never exit.
func Run(s *options.SchedulerServer) error {
	kubecli, err := createClient(s)
	if err != nil {
		return fmt.Errorf("unable to create kube client: %v", err)
	}
	config, err := createConfig(s, kubecli)
	if err != nil {
		return fmt.Errorf("failed to create scheduler configuration: %v", err)
	}
	sched := scheduler.New(config)

	go startHTTP(s)

	run := func(_ <-chan struct{}) {
		sched.Run()
		select {}
	}

	if !s.LeaderElection.LeaderElect {
		run(nil)
		panic("unreachable")
	}

	id, err := os.Hostname()
	if err != nil {
		return fmt.Errorf("unable to get hostname: %v", err)
	}
	// TODO: enable other lock types
	rl := &resourcelock.EndpointsLock{
		EndpointsMeta: metav1.ObjectMeta{
			Namespace: "kube-system",
			Name:      "kube-scheduler",
		},
		Client: kubecli,
		LockConfig: resourcelock.ResourceLockConfig{
			Identity:      id,
			EventRecorder: config.Recorder,
		},
	}
	leaderelection.RunOrDie(leaderelection.LeaderElectionConfig{
		Lock:          rl,
		LeaseDuration: s.LeaderElection.LeaseDuration.Duration,
		RenewDeadline: s.LeaderElection.RenewDeadline.Duration,
		RetryPeriod:   s.LeaderElection.RetryPeriod.Duration,
		Callbacks: leaderelection.LeaderCallbacks{
			OnStartedLeading: run,
			OnStoppedLeading: func() {
				glog.Fatalf("lost master")
			},
		},
	})
	panic("unreachable")
}
Ejemplo n.º 8
0
func BenchmarkScheduling(b *testing.B) {
	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()

	masterConfig := framework.NewIntegrationTestMasterConfig()
	m = master.New(masterConfig)

	c := client.NewOrDie(&client.Config{
		Host:         s.URL,
		GroupVersion: testapi.Default.GroupVersion(),
		QPS:          5000.0,
		Burst:        5000,
	})

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

	defer close(schedulerConfig.StopEverything)

	makeNNodes(c, 1000)
	N := b.N
	b.ResetTimer()
	makeNPods(c, N)
	for {
		objs := schedulerConfigFactory.ScheduledPodLister.Store.List()
		if len(objs) >= N {
			fmt.Printf("%v pods scheduled.\n", len(objs))
			/* // To prove that this actually works:
			for _, o := range objs {
				fmt.Printf("%s\n", o.(*api.Pod).Spec.NodeName)
			}
			*/
			break
		}
		time.Sleep(time.Millisecond)
	}
	b.StopTimer()
}
Ejemplo n.º 9
0
// Run runs the specified SchedulerServer.  This should never exit.
func (s *SchedulerServer) Run(_ []string) error {
	kubeconfig, err := clientcmd.BuildConfigFromFlags(s.Master, s.Kubeconfig)
	if err != nil {
		return err
	}

	// Override kubeconfig qps/burst settings from flags
	kubeconfig.QPS = s.KubeAPIQPS
	kubeconfig.Burst = s.KubeAPIBurst

	kubeClient, err := client.New(kubeconfig)
	if err != nil {
		glog.Fatalf("Invalid API configuration: %v", err)
	}

	go func() {
		mux := http.NewServeMux()
		healthz.InstallHandler(mux)
		if s.EnableProfiling {
			mux.HandleFunc("/debug/pprof/", pprof.Index)
			mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
			mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
		}
		mux.Handle("/metrics", prometheus.Handler())

		server := &http.Server{
			Addr:    net.JoinHostPort(s.Address.String(), strconv.Itoa(s.Port)),
			Handler: mux,
		}
		glog.Fatal(server.ListenAndServe())
	}()

	configFactory := factory.NewConfigFactory(kubeClient, util.NewTokenBucketRateLimiter(s.BindPodsQPS, s.BindPodsBurst))
	config, err := s.createConfig(configFactory)
	if err != nil {
		glog.Fatalf("Failed to create scheduler configuration: %v", err)
	}

	eventBroadcaster := record.NewBroadcaster()
	config.Recorder = eventBroadcaster.NewRecorder(api.EventSource{Component: "scheduler"})
	eventBroadcaster.StartLogging(glog.Infof)
	eventBroadcaster.StartRecordingToSink(kubeClient.Events(""))

	sched := scheduler.New(config)
	sched.Run()

	select {}
}
Ejemplo n.º 10
0
func TestUnschedulableNodes(t *testing.T) {
	etcdStorage, err := framework.NewEtcdStorage()
	if err != nil {
		t.Fatalf("Couldn't create etcd storage: %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{
		DatabaseStorage:       etcdStorage,
		KubeletClient:         client.FakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableUISupport:       false,
		EnableIndex:           true,
		APIPrefix:             "/api",
		Authorizer:            apiserver.NewAlwaysAllowAuthorizer(),
		AdmissionControl:      admit.NewAlwaysAdmit(),
		StorageVersions:       map[string]string{"": testapi.Default.Version()},
	})

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

	schedulerConfigFactory := factory.NewConfigFactory(restClient, nil)
	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)
}
Ejemplo n.º 11
0
// mustSetupScheduler starts the following components:
// - k8s api server (a.k.a. master)
// - scheduler
// It returns scheduler config factory and destroyFunc which should be used to
// remove resources after finished.
// Notes on rate limiter:
//   - client rate limit is set to 5000.
func mustSetupScheduler() (schedulerConfigFactory *factory.ConfigFactory, destroyFunc func()) {
	// framework.DeleteAllEtcdKeys()

	var m *master.Master
	masterConfig := framework.NewIntegrationTestMasterConfig()
	m, err := masterConfig.Complete().New()
	if err != nil {
		panic("error in brining up the master: " + err.Error())
	}
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		m.Handler.ServeHTTP(w, req)
	}))

	c := client.NewOrDie(&restclient.Config{
		Host:          s.URL,
		ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()},
		QPS:           5000.0,
		Burst:         5000,
	})

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

	destroyFunc = func() {
		glog.Infof("destroying")
		close(schedulerConfig.StopEverything)
		s.Close()
		glog.Infof("destroyed")
	}
	return
}
Ejemplo n.º 12
0
func TestUnschedulableNodes(t *testing.T) {
	// TODO: Limit the test to a single non-default namespace and clean this up at the end.
	framework.DeleteAllEtcdKeys()

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

	restClient := client.NewOrDie(&restclient.Config{Host: s.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})

	schedulerConfigFactory := factory.NewConfigFactory(restClient, api.DefaultSchedulerName, api.DefaultHardPodAffinitySymmetricWeight, api.DefaultFailureDomains)
	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: api.DefaultSchedulerName})
	eventBroadcaster.StartRecordingToSink(restClient.Events(""))
	scheduler.New(schedulerConfig).Run()

	defer close(schedulerConfig.StopEverything)

	DoTestUnschedulableNodes(t, restClient, schedulerConfigFactory.NodeLister.Store)
}
Ejemplo n.º 13
0
func TestUnschedulableNodes(t *testing.T) {
	_, s := framework.RunAMaster(nil)
	defer s.Close()

	ns := framework.CreateTestingNamespace("unschedulable-nodes", s, t)
	defer framework.DeleteTestingNamespace(ns, s, t)

	clientSet := clientset.NewForConfigOrDie(&restclient.Config{Host: s.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &registered.GroupOrDie(api.GroupName).GroupVersion}})

	schedulerConfigFactory := factory.NewConfigFactory(clientSet, api.DefaultSchedulerName, api.DefaultHardPodAffinitySymmetricWeight, api.DefaultFailureDomains)
	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: api.DefaultSchedulerName})
	eventBroadcaster.StartRecordingToSink(&unversionedcore.EventSinkImpl{Interface: clientSet.Core().Events(ns.Name)})
	scheduler.New(schedulerConfig).Run()

	defer close(schedulerConfig.StopEverything)

	DoTestUnschedulableNodes(t, clientSet, ns, schedulerConfigFactory.NodeLister.Store)
}
Ejemplo n.º 14
0
// mustSetupScheduler starts the following components:
// - k8s api server (a.k.a. master)
// - scheduler
// It returns scheduler config factory and destroyFunc which should be used to
// remove resources after finished.
// Notes on rate limiter:
//   - client rate limit is set to 5000.
func mustSetupScheduler() (schedulerConfigFactory *factory.ConfigFactory, destroyFunc func()) {

	h := &framework.MasterHolder{Initialized: make(chan struct{})}
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		<-h.Initialized
		h.M.GenericAPIServer.Handler.ServeHTTP(w, req)
	}))

	framework.RunAMasterUsingServer(framework.NewIntegrationTestMasterConfig(), s, h)

	clientSet := clientset.NewForConfigOrDie(&restclient.Config{
		Host:          s.URL,
		ContentConfig: restclient.ContentConfig{GroupVersion: &registered.GroupOrDie(api.GroupName).GroupVersion},
		QPS:           5000.0,
		Burst:         5000,
	})

	schedulerConfigFactory = factory.NewConfigFactory(clientSet, api.DefaultSchedulerName, api.DefaultHardPodAffinitySymmetricWeight, api.DefaultFailureDomains)

	schedulerConfig, err := schedulerConfigFactory.Create()
	if err != nil {
		panic("Couldn't create scheduler config")
	}
	eventBroadcaster := record.NewBroadcaster()
	schedulerConfig.Recorder = eventBroadcaster.NewRecorder(api.EventSource{Component: "scheduler"})
	eventBroadcaster.StartRecordingToSink(&unversionedcore.EventSinkImpl{Interface: clientSet.Core().Events("")})
	scheduler.New(schedulerConfig).Run()

	destroyFunc = func() {
		glog.Infof("destroying")
		close(schedulerConfig.StopEverything)
		s.Close()
		glog.Infof("destroyed")
	}
	return
}
Ejemplo n.º 15
0
func startComponents(firstManifestURL, secondManifestURL, apiVersion string) (string, string) {
	// Setup
	servers := []string{}
	glog.Infof("Creating etcd client pointing to %v", servers)

	handler := delegateHandler{}
	apiServer := httptest.NewServer(&handler)

	etcdClient := etcd.NewClient(servers)
	sleep := 4 * time.Second
	ok := false
	for i := 0; i < 3; i++ {
		keys, err := etcdClient.Get("/", false, false)
		if err != nil {
			glog.Warningf("Unable to list root etcd keys: %v", err)
			if i < 2 {
				time.Sleep(sleep)
				sleep = sleep * sleep
			}
			continue
		}
		for _, node := range keys.Node.Nodes {
			if _, err := etcdClient.Delete(node.Key, true); err != nil {
				glog.Fatalf("Unable delete key: %v", err)
			}
		}
		ok = true
		break
	}
	if !ok {
		glog.Fatalf("Failed to connect to etcd")
	}

	cl := client.NewOrDie(&client.Config{Host: apiServer.URL, Version: apiVersion})

	etcdStorage, err := master.NewEtcdStorage(etcdClient, latest.InterfacesFor, latest.Version, etcdtest.PathPrefix())
	if err != nil {
		glog.Fatalf("Unable to get etcd storage: %v", err)
	}
	expEtcdStorage, err := master.NewEtcdStorage(etcdClient, explatest.InterfacesFor, explatest.Version, etcdtest.PathPrefix())
	if err != nil {
		glog.Fatalf("Unable to get etcd storage for experimental: %v", err)
	}

	// Master
	host, port, err := net.SplitHostPort(strings.TrimLeft(apiServer.URL, "http://"))
	if err != nil {
		glog.Fatalf("Unable to parse URL '%v': %v", apiServer.URL, err)
	}
	portNumber, err := strconv.Atoi(port)
	if err != nil {
		glog.Fatalf("Nonnumeric port? %v", err)
	}

	publicAddress := net.ParseIP(host)
	if publicAddress == nil {
		glog.Fatalf("no public address for %s", host)
	}

	// Create a master and install handlers into mux.
	m := master.New(&master.Config{
		DatabaseStorage:       etcdStorage,
		ExpDatabaseStorage:    expEtcdStorage,
		KubeletClient:         fakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableProfiling:       true,
		APIPrefix:             "/api",
		ExpAPIPrefix:          "/experimental",
		Authorizer:            apiserver.NewAlwaysAllowAuthorizer(),
		AdmissionControl:      admit.NewAlwaysAdmit(),
		ReadWritePort:         portNumber,
		PublicAddress:         publicAddress,
		CacheTimeout:          2 * time.Second,
	})
	handler.delegate = m.Handler

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

	endpoints := endpointcontroller.NewEndpointController(cl)
	// ensure the service endpoints are sync'd several times within the window that the integration tests wait
	go endpoints.Run(3, util.NeverStop)

	controllerManager := replicationControllerPkg.NewReplicationManager(cl, replicationControllerPkg.BurstReplicas)

	// TODO: Write an integration test for the replication controllers watch.
	go controllerManager.Run(3, util.NeverStop)

	nodeController := nodecontroller.NewNodeController(nil, cl, 5*time.Minute, util.NewFakeRateLimiter(),
		40*time.Second, 60*time.Second, 5*time.Second, nil, false)
	nodeController.Run(5 * time.Second)
	cadvisorInterface := new(cadvisor.Fake)

	// Kubelet (localhost)
	testRootDir := makeTempDirOrDie("kubelet_integ_1.", "")
	configFilePath := makeTempDirOrDie("config", testRootDir)
	glog.Infof("Using %s as root dir for kubelet #1", testRootDir)
	fakeDocker1.VersionInfo = docker.Env{"ApiVersion=1.15"}
	kcfg := kubeletapp.SimpleKubelet(cl, &fakeDocker1, "localhost", testRootDir, firstManifestURL, "127.0.0.1", 10250, api.NamespaceDefault, empty_dir.ProbeVolumePlugins(), nil, cadvisorInterface, configFilePath, nil, kubecontainer.FakeOS{})
	kubeletapp.RunKubelet(kcfg, nil)
	// Kubelet (machine)
	// Create a second kubelet so that the guestbook example's two redis slaves both
	// have a place they can schedule.
	testRootDir = makeTempDirOrDie("kubelet_integ_2.", "")
	glog.Infof("Using %s as root dir for kubelet #2", testRootDir)
	fakeDocker2.VersionInfo = docker.Env{"ApiVersion=1.15"}
	kcfg = kubeletapp.SimpleKubelet(cl, &fakeDocker2, "127.0.0.1", testRootDir, secondManifestURL, "127.0.0.1", 10251, api.NamespaceDefault, empty_dir.ProbeVolumePlugins(), nil, cadvisorInterface, "", nil, kubecontainer.FakeOS{})
	kubeletapp.RunKubelet(kcfg, nil)
	return apiServer.URL, configFilePath
}
Ejemplo n.º 16
0
// Run runs the specified SchedulerServer.  This should never exit.
func Run(s *options.SchedulerServer) error {
	if c, err := configz.New("componentconfig"); err == nil {
		c.Set(s.KubeSchedulerConfiguration)
	} else {
		glog.Errorf("unable to register configz: %s", err)
	}
	kubeconfig, err := clientcmd.BuildConfigFromFlags(s.Master, s.Kubeconfig)
	if err != nil {
		return err
	}

	kubeconfig.ContentType = s.ContentType
	// Override kubeconfig qps/burst settings from flags
	kubeconfig.QPS = s.KubeAPIQPS
	kubeconfig.Burst = int(s.KubeAPIBurst)

	kubeClient, err := client.New(kubeconfig)
	if err != nil {
		glog.Fatalf("Invalid API configuration: %v", err)
	}

	go func() {
		mux := http.NewServeMux()
		healthz.InstallHandler(mux)
		if s.EnableProfiling {
			mux.HandleFunc("/debug/pprof/", pprof.Index)
			mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
			mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
		}
		configz.InstallHandler(mux)
		mux.Handle("/metrics", prometheus.Handler())

		server := &http.Server{
			Addr:    net.JoinHostPort(s.Address, strconv.Itoa(int(s.Port))),
			Handler: mux,
		}
		glog.Fatal(server.ListenAndServe())
	}()

	configFactory := factory.NewConfigFactory(kubeClient, s.SchedulerName)
	config, err := createConfig(s, configFactory)

	if err != nil {
		glog.Fatalf("Failed to create scheduler configuration: %v", err)
	}

	eventBroadcaster := record.NewBroadcaster()
	config.Recorder = eventBroadcaster.NewRecorder(api.EventSource{Component: s.SchedulerName})
	eventBroadcaster.StartLogging(glog.Infof)
	eventBroadcaster.StartRecordingToSink(kubeClient.Events(""))

	sched := scheduler.New(config)

	run := func(_ <-chan struct{}) {
		sched.Run()
		select {}
	}

	if !s.LeaderElection.LeaderElect {
		run(nil)
		glog.Fatal("this statement is unreachable")
		panic("unreachable")
	}

	id, err := os.Hostname()
	if err != nil {
		return err
	}

	leaderelection.RunOrDie(leaderelection.LeaderElectionConfig{
		EndpointsMeta: api.ObjectMeta{
			Namespace: "kube-system",
			Name:      "kube-scheduler",
		},
		Client:        kubeClient,
		Identity:      id,
		EventRecorder: config.Recorder,
		LeaseDuration: s.LeaderElection.LeaseDuration.Duration,
		RenewDeadline: s.LeaderElection.RenewDeadline.Duration,
		RetryPeriod:   s.LeaderElection.RetryPeriod.Duration,
		Callbacks: leaderelection.LeaderCallbacks{
			OnStartedLeading: run,
			OnStoppedLeading: func() {
				glog.Fatalf("lost master")
			},
		},
	})

	glog.Fatal("this statement is unreachable")
	panic("unreachable")
}
Ejemplo n.º 17
0
func startComponents(firstManifestURL, secondManifestURL string) (string, string) {
	// Setup
	handler := delegateHandler{}
	apiServer := httptest.NewServer(&handler)

	cfg := etcd.Config{
		Endpoints: []string{"http://127.0.0.1:4001"},
	}
	etcdClient, err := etcd.New(cfg)
	if err != nil {
		glog.Fatalf("Error creating etcd client: %v", err)
	}
	glog.Infof("Creating etcd client pointing to %v", cfg.Endpoints)

	keysAPI := etcd.NewKeysAPI(etcdClient)
	sleep := 4 * time.Second
	ok := false
	for i := 0; i < 3; i++ {
		keys, err := keysAPI.Get(context.TODO(), "/", nil)
		if err != nil {
			glog.Warningf("Unable to list root etcd keys: %v", err)
			if i < 2 {
				time.Sleep(sleep)
				sleep = sleep * sleep
			}
			continue
		}
		for _, node := range keys.Node.Nodes {
			if _, err := keysAPI.Delete(context.TODO(), node.Key, &etcd.DeleteOptions{Recursive: true}); err != nil {
				glog.Fatalf("Unable delete key: %v", err)
			}
		}
		ok = true
		break
	}
	if !ok {
		glog.Fatalf("Failed to connect to etcd")
	}

	cl := client.NewOrDie(&client.Config{Host: apiServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
	clientset := clientset.NewForConfigOrDie(&client.Config{Host: apiServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})

	// TODO: caesarxuchao: hacky way to specify version of Experimental client.
	// We will fix this by supporting multiple group versions in Config
	cl.ExtensionsClient = client.NewExtensionsOrDie(&client.Config{Host: apiServer.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Extensions.GroupVersion()}})

	// Master
	host, port, err := net.SplitHostPort(strings.TrimLeft(apiServer.URL, "http://"))
	if err != nil {
		glog.Fatalf("Unable to parse URL '%v': %v", apiServer.URL, err)
	}
	portNumber, err := strconv.Atoi(port)
	if err != nil {
		glog.Fatalf("Nonnumeric port? %v", err)
	}

	publicAddress := net.ParseIP(host)
	if publicAddress == nil {
		glog.Fatalf("No public address for %s", host)
	}

	// The caller of master.New should guarantee pulicAddress is properly set
	hostIP, err := utilnet.ChooseBindAddress(publicAddress)
	if err != nil {
		glog.Fatalf("Unable to find suitable network address.error='%v' . "+
			"Fail to get a valid public address for master.", err)
	}

	masterConfig := framework.NewMasterConfig()
	masterConfig.EnableCoreControllers = true
	masterConfig.EnableProfiling = true
	masterConfig.ReadWritePort = portNumber
	masterConfig.PublicAddress = hostIP
	masterConfig.CacheTimeout = 2 * time.Second

	// Create a master and install handlers into mux.
	m := master.New(masterConfig)
	handler.delegate = m.Handler

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

	// ensure the service endpoints are sync'd several times within the window that the integration tests wait
	go endpointcontroller.NewEndpointController(clientset, controller.NoResyncPeriodFunc).
		Run(3, util.NeverStop)

	// TODO: Write an integration test for the replication controllers watch.
	go replicationcontroller.NewReplicationManager(clientset, controller.NoResyncPeriodFunc, replicationcontroller.BurstReplicas).
		Run(3, util.NeverStop)

	nodeController := nodecontroller.NewNodeController(nil, clientset, 5*time.Minute, util.NewFakeRateLimiter(), util.NewFakeRateLimiter(),
		40*time.Second, 60*time.Second, 5*time.Second, nil, false)
	nodeController.Run(5 * time.Second)
	cadvisorInterface := new(cadvisor.Fake)

	// Kubelet (localhost)
	testRootDir := integration.MakeTempDirOrDie("kubelet_integ_1.", "")
	configFilePath := integration.MakeTempDirOrDie("config", testRootDir)
	glog.Infof("Using %s as root dir for kubelet #1", testRootDir)
	cm := cm.NewStubContainerManager()
	kcfg := kubeletapp.SimpleKubelet(
		clientset,
		fakeDocker1,
		"localhost",
		testRootDir,
		firstManifestURL,
		"127.0.0.1",
		10250, /* KubeletPort */
		0,     /* ReadOnlyPort */
		api.NamespaceDefault,
		empty_dir.ProbeVolumePlugins(),
		nil,
		cadvisorInterface,
		configFilePath,
		nil,
		kubecontainer.FakeOS{},
		1*time.Second,  /* FileCheckFrequency */
		1*time.Second,  /* HTTPCheckFrequency */
		10*time.Second, /* MinimumGCAge */
		3*time.Second,  /* NodeStatusUpdateFrequency */
		10*time.Second, /* SyncFrequency */
		10*time.Second, /* OutOfDiskTransitionFrequency */
		40,             /* MaxPods */
		cm, net.ParseIP("127.0.0.1"))

	kubeletapp.RunKubelet(kcfg)
	// Kubelet (machine)
	// Create a second kubelet so that the guestbook example's two redis slaves both
	// have a place they can schedule.
	testRootDir = integration.MakeTempDirOrDie("kubelet_integ_2.", "")
	glog.Infof("Using %s as root dir for kubelet #2", testRootDir)

	kcfg = kubeletapp.SimpleKubelet(
		clientset,
		fakeDocker2,
		"127.0.0.1",
		testRootDir,
		secondManifestURL,
		"127.0.0.1",
		10251, /* KubeletPort */
		0,     /* ReadOnlyPort */
		api.NamespaceDefault,
		empty_dir.ProbeVolumePlugins(),
		nil,
		cadvisorInterface,
		"",
		nil,
		kubecontainer.FakeOS{},
		1*time.Second,  /* FileCheckFrequency */
		1*time.Second,  /* HTTPCheckFrequency */
		10*time.Second, /* MinimumGCAge */
		3*time.Second,  /* NodeStatusUpdateFrequency */
		10*time.Second, /* SyncFrequency */
		10*time.Second, /* OutOfDiskTransitionFrequency */

		40, /* MaxPods */
		cm,
		net.ParseIP("127.0.0.1"))

	kubeletapp.RunKubelet(kcfg)
	return apiServer.URL, configFilePath
}
Ejemplo n.º 18
0
func TestSchedulerExtender(t *testing.T) {
	_, s := framework.RunAMaster(nil)
	defer s.Close()

	ns := framework.CreateTestingNamespace("scheduler-extender", s, t)
	defer framework.DeleteTestingNamespace(ns, s, t)

	clientSet := clientset.NewForConfigOrDie(&restclient.Config{Host: s.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &registered.GroupOrDie(v1.GroupName).GroupVersion}})

	extender1 := &Extender{
		name:         "extender1",
		predicates:   []fitPredicate{machine_1_2_3_Predicate},
		prioritizers: []priorityConfig{{machine_2_Prioritizer, 1}},
	}
	es1 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		extender1.serveHTTP(t, w, req)
	}))
	defer es1.Close()

	extender2 := &Extender{
		name:         "extender2",
		predicates:   []fitPredicate{machine_2_3_5_Predicate},
		prioritizers: []priorityConfig{{machine_3_Prioritizer, 1}},
	}
	es2 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		extender2.serveHTTP(t, w, req)
	}))
	defer es2.Close()

	policy := schedulerapi.Policy{
		ExtenderConfigs: []schedulerapi.ExtenderConfig{
			{
				URLPrefix:      es1.URL,
				FilterVerb:     filter,
				PrioritizeVerb: prioritize,
				Weight:         3,
				EnableHttps:    false,
			},
			{
				URLPrefix:      es2.URL,
				FilterVerb:     filter,
				PrioritizeVerb: prioritize,
				Weight:         4,
				EnableHttps:    false,
			},
		},
	}
	policy.APIVersion = registered.GroupOrDie(v1.GroupName).GroupVersion.String()

	schedulerConfigFactory := factory.NewConfigFactory(clientSet, v1.DefaultSchedulerName, v1.DefaultHardPodAffinitySymmetricWeight, v1.DefaultFailureDomains)
	schedulerConfig, err := schedulerConfigFactory.CreateFromConfig(policy)
	if err != nil {
		t.Fatalf("Couldn't create scheduler config: %v", err)
	}
	eventBroadcaster := record.NewBroadcaster()
	schedulerConfig.Recorder = eventBroadcaster.NewRecorder(v1.EventSource{Component: v1.DefaultSchedulerName})
	eventBroadcaster.StartRecordingToSink(&v1core.EventSinkImpl{Interface: clientSet.Core().Events("")})
	scheduler.New(schedulerConfig).Run()

	defer close(schedulerConfig.StopEverything)

	DoTestPodScheduling(ns, t, clientSet)
}
Ejemplo n.º 19
0
func TestSchedulerExtender(t *testing.T) {
	etcdStorage, err := framework.NewEtcdStorage()
	if err != nil {
		t.Fatalf("Couldn't create etcd storage: %v", err)
	}
	expEtcdStorage, err := framework.NewExtensionsEtcdStorage(nil)
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	storageDestinations := master.NewStorageDestinations()
	storageDestinations.AddAPIGroup("", etcdStorage)
	storageDestinations.AddAPIGroup("extensions", expEtcdStorage)

	storageVersions := make(map[string]string)
	storageVersions[""] = testapi.Default.Version()
	storageVersions["extensions"] = testapi.Extensions.GroupAndVersion()

	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{
		StorageDestinations:   storageDestinations,
		KubeletClient:         kubeletclient.FakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableUISupport:       false,
		EnableIndex:           true,
		APIPrefix:             "/api",
		Authorizer:            apiserver.NewAlwaysAllowAuthorizer(),
		AdmissionControl:      admit.NewAlwaysAdmit(),
		StorageVersions:       storageVersions,
	})

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

	extender1 := &Extender{
		name:         "extender1",
		predicates:   []fitPredicate{machine_1_2_3_Predicate},
		prioritizers: []priorityConfig{{machine_2_Prioritizer, 1}},
	}
	es1 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		extender1.serveHTTP(t, w, req)
	}))
	defer es1.Close()

	extender2 := &Extender{
		name:         "extender2",
		predicates:   []fitPredicate{machine_2_3_5_Predicate},
		prioritizers: []priorityConfig{{machine_3_Prioritizer, 1}},
	}
	es2 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		extender2.serveHTTP(t, w, req)
	}))
	defer es2.Close()

	policy := schedulerapi.Policy{
		ExtenderConfigs: []schedulerapi.ExtenderConfig{
			{
				URLPrefix:      es1.URL,
				FilterVerb:     filter,
				PrioritizeVerb: prioritize,
				Weight:         3,
				EnableHttps:    false,
			},
			{
				URLPrefix:      es2.URL,
				FilterVerb:     filter,
				PrioritizeVerb: prioritize,
				Weight:         4,
				EnableHttps:    false,
			},
		},
	}
	policy.APIVersion = testapi.Default.Version()

	schedulerConfigFactory := factory.NewConfigFactory(restClient, nil)
	schedulerConfig, err := schedulerConfigFactory.CreateFromConfig(policy)
	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)

	DoTestPodScheduling(t, restClient)
}
Ejemplo n.º 20
0
func startComponents(firstManifestURL, secondManifestURL string) (string, string) {
	// Setup
	servers := []string{}
	glog.Infof("Creating etcd client pointing to %v", servers)

	handler := delegateHandler{}
	apiServer := httptest.NewServer(&handler)

	etcdClient := etcd.NewClient(servers)
	sleep := 4 * time.Second
	ok := false
	for i := 0; i < 3; i++ {
		keys, err := etcdClient.Get("/", false, false)
		if err != nil {
			glog.Warningf("Unable to list root etcd keys: %v", err)
			if i < 2 {
				time.Sleep(sleep)
				sleep = sleep * sleep
			}
			continue
		}
		for _, node := range keys.Node.Nodes {
			if _, err := etcdClient.Delete(node.Key, true); err != nil {
				glog.Fatalf("Unable delete key: %v", err)
			}
		}
		ok = true
		break
	}
	if !ok {
		glog.Fatalf("Failed to connect to etcd")
	}

	cl := client.NewOrDie(&client.Config{Host: apiServer.URL, GroupVersion: testapi.Default.GroupVersion()})

	// TODO: caesarxuchao: hacky way to specify version of Experimental client.
	// We will fix this by supporting multiple group versions in Config
	cl.ExtensionsClient = client.NewExtensionsOrDie(&client.Config{Host: apiServer.URL, GroupVersion: testapi.Extensions.GroupVersion()})

	storageVersions := make(map[string]string)
	etcdStorage, err := master.NewEtcdStorage(etcdClient, latest.GroupOrDie("").InterfacesFor, testapi.Default.GroupAndVersion(), etcdtest.PathPrefix())
	storageVersions[""] = testapi.Default.GroupAndVersion()
	if err != nil {
		glog.Fatalf("Unable to get etcd storage: %v", err)
	}
	expEtcdStorage, err := master.NewEtcdStorage(etcdClient, latest.GroupOrDie("extensions").InterfacesFor, testapi.Extensions.GroupAndVersion(), etcdtest.PathPrefix())
	storageVersions["extensions"] = testapi.Extensions.GroupAndVersion()
	if err != nil {
		glog.Fatalf("Unable to get etcd storage for experimental: %v", err)
	}
	storageDestinations := master.NewStorageDestinations()
	storageDestinations.AddAPIGroup("", etcdStorage)
	storageDestinations.AddAPIGroup("extensions", expEtcdStorage)

	// Master
	host, port, err := net.SplitHostPort(strings.TrimLeft(apiServer.URL, "http://"))
	if err != nil {
		glog.Fatalf("Unable to parse URL '%v': %v", apiServer.URL, err)
	}
	portNumber, err := strconv.Atoi(port)
	if err != nil {
		glog.Fatalf("Nonnumeric port? %v", err)
	}

	publicAddress := net.ParseIP(host)
	if publicAddress == nil {
		glog.Fatalf("No public address for %s", host)
	}

	// The caller of master.New should guarantee pulicAddress is properly set
	hostIP, err := util.ValidPublicAddrForMaster(publicAddress)
	if err != nil {
		glog.Fatalf("Unable to find suitable network address.error='%v' . "+
			"Fail to get a valid public address for master.", err)
	}

	// Create a master and install handlers into mux.
	m := master.New(&master.Config{
		StorageDestinations:   storageDestinations,
		KubeletClient:         fakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableProfiling:       true,
		APIPrefix:             "/api",
		APIGroupPrefix:        "/apis",
		Authorizer:            apiserver.NewAlwaysAllowAuthorizer(),
		AdmissionControl:      admit.NewAlwaysAdmit(),
		ReadWritePort:         portNumber,
		PublicAddress:         hostIP,
		CacheTimeout:          2 * time.Second,
		StorageVersions:       storageVersions,
	})
	handler.delegate = m.Handler

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

	// ensure the service endpoints are sync'd several times within the window that the integration tests wait
	go endpointcontroller.NewEndpointController(cl, controller.NoResyncPeriodFunc).
		Run(3, util.NeverStop)

	// TODO: Write an integration test for the replication controllers watch.
	go replicationcontroller.NewReplicationManager(cl, controller.NoResyncPeriodFunc, replicationcontroller.BurstReplicas).
		Run(3, util.NeverStop)

	nodeController := nodecontroller.NewNodeController(nil, cl, 5*time.Minute, util.NewFakeRateLimiter(), util.NewFakeRateLimiter(),
		40*time.Second, 60*time.Second, 5*time.Second, nil, false)
	nodeController.Run(5 * time.Second)
	cadvisorInterface := new(cadvisor.Fake)

	// Kubelet (localhost)
	testRootDir := integration.MakeTempDirOrDie("kubelet_integ_1.", "")
	configFilePath := integration.MakeTempDirOrDie("config", testRootDir)
	glog.Infof("Using %s as root dir for kubelet #1", testRootDir)
	fakeDocker1.VersionInfo = docker.Env{"ApiVersion=1.20"}
	cm := cm.NewStubContainerManager()
	kcfg := kubeletapp.SimpleKubelet(
		cl,
		fakeDocker1,
		"localhost",
		testRootDir,
		firstManifestURL,
		"127.0.0.1",
		10250, /* KubeletPort */
		0,     /* ReadOnlyPort */
		api.NamespaceDefault,
		empty_dir.ProbeVolumePlugins(),
		nil,
		cadvisorInterface,
		configFilePath,
		nil,
		kubecontainer.FakeOS{},
		1*time.Second,  /* FileCheckFrequency */
		1*time.Second,  /* HTTPCheckFrequency */
		10*time.Second, /* MinimumGCAge */
		3*time.Second,  /* NodeStatusUpdateFrequency */
		10*time.Second, /* SyncFrequency */
		40,             /* MaxPods */
		cm)

	kubeletapp.RunKubelet(kcfg)
	// Kubelet (machine)
	// Create a second kubelet so that the guestbook example's two redis slaves both
	// have a place they can schedule.
	testRootDir = integration.MakeTempDirOrDie("kubelet_integ_2.", "")
	glog.Infof("Using %s as root dir for kubelet #2", testRootDir)
	fakeDocker2.VersionInfo = docker.Env{"ApiVersion=1.20"}

	kcfg = kubeletapp.SimpleKubelet(
		cl,
		fakeDocker2,
		"127.0.0.1",
		testRootDir,
		secondManifestURL,
		"127.0.0.1",
		10251, /* KubeletPort */
		0,     /* ReadOnlyPort */
		api.NamespaceDefault,
		empty_dir.ProbeVolumePlugins(),
		nil,
		cadvisorInterface,
		"",
		nil,
		kubecontainer.FakeOS{},
		1*time.Second,  /* FileCheckFrequency */
		1*time.Second,  /* HTTPCheckFrequency */
		10*time.Second, /* MinimumGCAge */
		3*time.Second,  /* NodeStatusUpdateFrequency */
		10*time.Second, /* SyncFrequency */

		40, /* MaxPods */
		cm)

	kubeletapp.RunKubelet(kcfg)
	return apiServer.URL, configFilePath
}
Ejemplo n.º 21
0
// This test will verify scheduler can work well regardless of whether kubelet is allocatable aware or not.
func TestAllocatable(t *testing.T) {
	_, s := framework.RunAMaster(nil)
	defer s.Close()

	ns := framework.CreateTestingNamespace("allocatable", s, t)
	defer framework.DeleteTestingNamespace(ns, s, t)

	// 1. create and start default-scheduler
	clientSet := clientset.NewForConfigOrDie(&restclient.Config{Host: s.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &registered.GroupOrDie(api.GroupName).GroupVersion}})

	// NOTE: This test cannot run in parallel, because it is creating and deleting
	// non-namespaced objects (Nodes).
	defer clientSet.Core().Nodes().DeleteCollection(nil, api.ListOptions{})

	schedulerConfigFactory := factory.NewConfigFactory(clientSet, api.DefaultSchedulerName, api.DefaultHardPodAffinitySymmetricWeight, api.DefaultFailureDomains)
	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: api.DefaultSchedulerName})
	eventBroadcaster.StartRecordingToSink(&unversionedcore.EventSinkImpl{Interface: clientSet.Core().Events(ns.Name)})
	scheduler.New(schedulerConfig).Run()
	// default-scheduler will be stopped later
	defer close(schedulerConfig.StopEverything)

	// 2. create a node without allocatable awareness
	node := &api.Node{
		ObjectMeta: api.ObjectMeta{Name: "node-allocatable-scheduler-test-node"},
		Spec:       api.NodeSpec{Unschedulable: false},
		Status: api.NodeStatus{
			Capacity: api.ResourceList{
				api.ResourcePods:   *resource.NewQuantity(32, resource.DecimalSI),
				api.ResourceCPU:    *resource.NewMilliQuantity(30, resource.DecimalSI),
				api.ResourceMemory: *resource.NewQuantity(30, resource.BinarySI),
			},
		},
	}

	allocNode, err := clientSet.Core().Nodes().Create(node)
	if err != nil {
		t.Fatalf("Failed to create node: %v", err)
	}

	// 3. create resource pod which requires less than Capacity
	podResource := &api.Pod{
		ObjectMeta: api.ObjectMeta{Name: "pod-test-allocatable"},
		Spec: api.PodSpec{
			Containers: []api.Container{
				{
					Name:  "container",
					Image: e2e.GetPauseImageName(clientSet),
					Resources: api.ResourceRequirements{
						Requests: api.ResourceList{
							api.ResourceCPU:    *resource.NewMilliQuantity(20, resource.DecimalSI),
							api.ResourceMemory: *resource.NewQuantity(20, resource.BinarySI),
						},
					},
				},
			},
		},
	}

	testAllocPod, err := clientSet.Core().Pods(ns.Name).Create(podResource)
	if err != nil {
		t.Fatalf("Test allocatable unawareness failed to create pod: %v", err)
	}

	// 4. Test: this test pod should be scheduled since api-server will use Capacity as Allocatable
	err = wait.Poll(time.Second, time.Second*5, podScheduled(clientSet, testAllocPod.Namespace, testAllocPod.Name))
	if err != nil {
		t.Errorf("Test allocatable unawareness: %s Pod not scheduled: %v", testAllocPod.Name, err)
	} else {
		t.Logf("Test allocatable unawareness: %s Pod scheduled", testAllocPod.Name)
	}

	// 5. Change the node status to allocatable aware, note that Allocatable is less than Pod's requirement
	allocNode.Status = api.NodeStatus{
		Capacity: api.ResourceList{
			api.ResourcePods:   *resource.NewQuantity(32, resource.DecimalSI),
			api.ResourceCPU:    *resource.NewMilliQuantity(30, resource.DecimalSI),
			api.ResourceMemory: *resource.NewQuantity(30, resource.BinarySI),
		},
		Allocatable: api.ResourceList{
			api.ResourcePods:   *resource.NewQuantity(32, resource.DecimalSI),
			api.ResourceCPU:    *resource.NewMilliQuantity(10, resource.DecimalSI),
			api.ResourceMemory: *resource.NewQuantity(10, resource.BinarySI),
		},
	}

	if _, err := clientSet.Core().Nodes().UpdateStatus(allocNode); err != nil {
		t.Fatalf("Failed to update node with Status.Allocatable: %v", err)
	}

	if err := clientSet.Core().Pods(ns.Name).Delete(podResource.Name, &api.DeleteOptions{}); err != nil {
		t.Fatalf("Failed to remove first resource pod: %v", err)
	}

	// 6. Make another pod with different name, same resource request
	podResource.ObjectMeta.Name = "pod-test-allocatable2"
	testAllocPod2, err := clientSet.Core().Pods(ns.Name).Create(podResource)
	if err != nil {
		t.Fatalf("Test allocatable awareness failed to create pod: %v", err)
	}

	// 7. Test: this test pod should not be scheduled since it request more than Allocatable
	err = wait.Poll(time.Second, time.Second*5, podScheduled(clientSet, testAllocPod2.Namespace, testAllocPod2.Name))
	if err == nil {
		t.Errorf("Test allocatable awareness: %s Pod got scheduled unexpectly, %v", testAllocPod2.Name, err)
	} else {
		t.Logf("Test allocatable awareness: %s Pod not scheduled as expected", testAllocPod2.Name)
	}
}
Ejemplo n.º 22
0
func TestSchedulerExtender(t *testing.T) {
	framework.DeleteAllEtcdKeys()

	var m *master.Master
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		m.Handler.ServeHTTP(w, req)
	}))
	// TODO: Uncomment when fix #19254
	// defer s.Close()

	masterConfig := framework.NewIntegrationTestMasterConfig()
	m, err := master.New(masterConfig)
	if err != nil {
		t.Fatalf("error in bringing up the master: %v", err)
	}

	restClient := client.NewOrDie(&restclient.Config{Host: s.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})

	extender1 := &Extender{
		name:         "extender1",
		predicates:   []fitPredicate{machine_1_2_3_Predicate},
		prioritizers: []priorityConfig{{machine_2_Prioritizer, 1}},
	}
	es1 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		extender1.serveHTTP(t, w, req)
	}))
	// TODO: Uncomment when fix #19254
	// defer es1.Close()

	extender2 := &Extender{
		name:         "extender2",
		predicates:   []fitPredicate{machine_2_3_5_Predicate},
		prioritizers: []priorityConfig{{machine_3_Prioritizer, 1}},
	}
	es2 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		extender2.serveHTTP(t, w, req)
	}))
	// TODO: Uncomment when fix #19254
	// defer es2.Close()

	policy := schedulerapi.Policy{
		ExtenderConfigs: []schedulerapi.ExtenderConfig{
			{
				URLPrefix:      es1.URL,
				FilterVerb:     filter,
				PrioritizeVerb: prioritize,
				Weight:         3,
				EnableHttps:    false,
			},
			{
				URLPrefix:      es2.URL,
				FilterVerb:     filter,
				PrioritizeVerb: prioritize,
				Weight:         4,
				EnableHttps:    false,
			},
		},
	}
	policy.APIVersion = testapi.Default.GroupVersion().String()

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

	defer close(schedulerConfig.StopEverything)

	DoTestPodScheduling(t, restClient)
}
Ejemplo n.º 23
0
func TestMultiScheduler(t *testing.T) {
	_, s := framework.RunAMaster(nil)
	// TODO: Uncomment when fix #19254
	// This seems to be a different issue - it still doesn't work.
	// defer s.Close()

	ns := framework.CreateTestingNamespace("multi-scheduler", s, t)
	defer framework.DeleteTestingNamespace(ns, s, t)

	/*
		This integration tests the multi-scheduler feature in the following way:
		1. create a default scheduler
		2. create a node
		3. create 3 pods: testPodNoAnnotation, testPodWithAnnotationFitsDefault and testPodWithAnnotationFitsFoo
			- note: the first two should be picked and scheduled by default scheduler while the last one should be
			        picked by scheduler of name "foo-scheduler" which does not exist yet.
		4. **check point-1**:
			- testPodNoAnnotation, testPodWithAnnotationFitsDefault should be scheduled
			- testPodWithAnnotationFitsFoo should NOT be scheduled
		5. create a scheduler with name "foo-scheduler"
		6. **check point-2**:
			- testPodWithAnnotationFitsFoo should be scheduled
		7. stop default scheduler
		8. create 2 pods: testPodNoAnnotation2 and testPodWithAnnotationFitsDefault2
			- note: these two pods belong to default scheduler which no longer exists
		9. **check point-3**:
			- testPodNoAnnotation2 and testPodWithAnnotationFitsDefault2 shoule NOT be scheduled
	*/
	// 1. create and start default-scheduler
	clientSet := clientset.NewForConfigOrDie(&restclient.Config{Host: s.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &registered.GroupOrDie(api.GroupName).GroupVersion}})

	// NOTE: This test cannot run in parallel, because it is creating and deleting
	// non-namespaced objects (Nodes).
	defer clientSet.Core().Nodes().DeleteCollection(nil, api.ListOptions{})

	schedulerConfigFactory := factory.NewConfigFactory(clientSet, api.DefaultSchedulerName, api.DefaultHardPodAffinitySymmetricWeight, api.DefaultFailureDomains)
	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: api.DefaultSchedulerName})
	eventBroadcaster.StartRecordingToSink(&unversionedcore.EventSinkImpl{Interface: clientSet.Core().Events(ns.Name)})
	scheduler.New(schedulerConfig).Run()
	// default-scheduler will be stopped later

	// 2. create a node
	node := &api.Node{
		ObjectMeta: api.ObjectMeta{Name: "node-multi-scheduler-test-node"},
		Spec:       api.NodeSpec{Unschedulable: false},
		Status: api.NodeStatus{
			Capacity: api.ResourceList{
				api.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
			},
		},
	}
	clientSet.Core().Nodes().Create(node)

	// 3. create 3 pods for testing
	podWithNoAnnotation := createPod(clientSet, "pod-with-no-annotation", nil)
	testPodNoAnnotation, err := clientSet.Core().Pods(ns.Name).Create(podWithNoAnnotation)
	if err != nil {
		t.Fatalf("Failed to create pod: %v", err)
	}

	schedulerAnnotationFitsDefault := map[string]string{"scheduler.alpha.kubernetes.io/name": "default-scheduler"}
	podWithAnnotationFitsDefault := createPod(clientSet, "pod-with-annotation-fits-default", schedulerAnnotationFitsDefault)
	testPodWithAnnotationFitsDefault, err := clientSet.Core().Pods(ns.Name).Create(podWithAnnotationFitsDefault)
	if err != nil {
		t.Fatalf("Failed to create pod: %v", err)
	}

	schedulerAnnotationFitsFoo := map[string]string{"scheduler.alpha.kubernetes.io/name": "foo-scheduler"}
	podWithAnnotationFitsFoo := createPod(clientSet, "pod-with-annotation-fits-foo", schedulerAnnotationFitsFoo)
	testPodWithAnnotationFitsFoo, err := clientSet.Core().Pods(ns.Name).Create(podWithAnnotationFitsFoo)
	if err != nil {
		t.Fatalf("Failed to create pod: %v", err)
	}

	// 4. **check point-1**:
	//		- testPodNoAnnotation, testPodWithAnnotationFitsDefault should be scheduled
	//		- testPodWithAnnotationFitsFoo should NOT be scheduled
	err = wait.Poll(time.Second, time.Second*5, podScheduled(clientSet, testPodNoAnnotation.Namespace, testPodNoAnnotation.Name))
	if err != nil {
		t.Errorf("Test MultiScheduler: %s Pod not scheduled: %v", testPodNoAnnotation.Name, err)
	} else {
		t.Logf("Test MultiScheduler: %s Pod scheduled", testPodNoAnnotation.Name)
	}

	err = wait.Poll(time.Second, time.Second*5, podScheduled(clientSet, testPodWithAnnotationFitsDefault.Namespace, testPodWithAnnotationFitsDefault.Name))
	if err != nil {
		t.Errorf("Test MultiScheduler: %s Pod not scheduled: %v", testPodWithAnnotationFitsDefault.Name, err)
	} else {
		t.Logf("Test MultiScheduler: %s Pod scheduled", testPodWithAnnotationFitsDefault.Name)
	}

	err = wait.Poll(time.Second, time.Second*5, podScheduled(clientSet, testPodWithAnnotationFitsFoo.Namespace, testPodWithAnnotationFitsFoo.Name))
	if err == nil {
		t.Errorf("Test MultiScheduler: %s Pod got scheduled, %v", testPodWithAnnotationFitsFoo.Name, err)
	} else {
		t.Logf("Test MultiScheduler: %s Pod not scheduled", testPodWithAnnotationFitsFoo.Name)
	}

	// 5. create and start a scheduler with name "foo-scheduler"
	clientSet2 := clientset.NewForConfigOrDie(&restclient.Config{Host: s.URL, ContentConfig: restclient.ContentConfig{GroupVersion: &registered.GroupOrDie(api.GroupName).GroupVersion}})

	schedulerConfigFactory2 := factory.NewConfigFactory(clientSet2, "foo-scheduler", api.DefaultHardPodAffinitySymmetricWeight, api.DefaultFailureDomains)
	schedulerConfig2, err := schedulerConfigFactory2.Create()
	if err != nil {
		t.Errorf("Couldn't create scheduler config: %v", err)
	}
	eventBroadcaster2 := record.NewBroadcaster()
	schedulerConfig2.Recorder = eventBroadcaster2.NewRecorder(api.EventSource{Component: "foo-scheduler"})
	eventBroadcaster2.StartRecordingToSink(&unversionedcore.EventSinkImpl{Interface: clientSet2.Core().Events(ns.Name)})
	scheduler.New(schedulerConfig2).Run()

	defer close(schedulerConfig2.StopEverything)

	//	6. **check point-2**:
	//		- testPodWithAnnotationFitsFoo should be scheduled
	err = wait.Poll(time.Second, time.Second*5, podScheduled(clientSet, testPodWithAnnotationFitsFoo.Namespace, testPodWithAnnotationFitsFoo.Name))
	if err != nil {
		t.Errorf("Test MultiScheduler: %s Pod not scheduled, %v", testPodWithAnnotationFitsFoo.Name, err)
	} else {
		t.Logf("Test MultiScheduler: %s Pod scheduled", testPodWithAnnotationFitsFoo.Name)
	}

	//	7. delete the pods that were scheduled by the default scheduler, and stop the default scheduler
	err = clientSet.Core().Pods(ns.Name).Delete(testPodNoAnnotation.Name, api.NewDeleteOptions(0))
	if err != nil {
		t.Errorf("Failed to delete pod: %v", err)
	}
	err = clientSet.Core().Pods(ns.Name).Delete(testPodWithAnnotationFitsDefault.Name, api.NewDeleteOptions(0))
	if err != nil {
		t.Errorf("Failed to delete pod: %v", err)
	}

	// The rest of this test assumes that closing StopEverything will cause the
	// scheduler thread to stop immediately.  It won't, and in fact it will often
	// schedule 1 more pod before finally exiting.  Comment out until we fix that.
	//
	// See https://github.com/kubernetes/kubernetes/issues/23715 for more details.

	/*
		close(schedulerConfig.StopEverything)

		//	8. create 2 pods: testPodNoAnnotation2 and testPodWithAnnotationFitsDefault2
		//		- note: these two pods belong to default scheduler which no longer exists
		podWithNoAnnotation2 := createPod("pod-with-no-annotation2", nil)
		podWithAnnotationFitsDefault2 := createPod("pod-with-annotation-fits-default2", schedulerAnnotationFitsDefault)
		testPodNoAnnotation2, err := clientSet.Core().Pods(ns.Name).Create(podWithNoAnnotation2)
		if err != nil {
			t.Fatalf("Failed to create pod: %v", err)
		}
		testPodWithAnnotationFitsDefault2, err := clientSet.Core().Pods(ns.Name).Create(podWithAnnotationFitsDefault2)
		if err != nil {
			t.Fatalf("Failed to create pod: %v", err)
		}

		//	9. **check point-3**:
		//		- testPodNoAnnotation2 and testPodWithAnnotationFitsDefault2 shoule NOT be scheduled
		err = wait.Poll(time.Second, time.Second*5, podScheduled(clientSet, testPodNoAnnotation2.Namespace, testPodNoAnnotation2.Name))
		if err == nil {
			t.Errorf("Test MultiScheduler: %s Pod got scheduled, %v", testPodNoAnnotation2.Name, err)
		} else {
			t.Logf("Test MultiScheduler: %s Pod not scheduled", testPodNoAnnotation2.Name)
		}
		err = wait.Poll(time.Second, time.Second*5, podScheduled(clientSet, testPodWithAnnotationFitsDefault2.Namespace, testPodWithAnnotationFitsDefault2.Name))
		if err == nil {
			t.Errorf("Test MultiScheduler: %s Pod got scheduled, %v", testPodWithAnnotationFitsDefault2.Name, err)
		} else {
			t.Logf("Test MultiScheduler: %s Pod scheduled", testPodWithAnnotationFitsDefault2.Name)
		}
	*/
}
Ejemplo n.º 24
0
func TestSchedulerExtender(t *testing.T) {
	// TODO: Limit the test to a single non-default namespace and clean this up at the end.
	framework.DeleteAllEtcdKeys()

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

	restClient := client.NewOrDie(&restclient.Config{Host: s.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})

	extender1 := &Extender{
		name:         "extender1",
		predicates:   []fitPredicate{machine_1_2_3_Predicate},
		prioritizers: []priorityConfig{{machine_2_Prioritizer, 1}},
	}
	es1 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		extender1.serveHTTP(t, w, req)
	}))
	defer es1.Close()

	extender2 := &Extender{
		name:         "extender2",
		predicates:   []fitPredicate{machine_2_3_5_Predicate},
		prioritizers: []priorityConfig{{machine_3_Prioritizer, 1}},
	}
	es2 := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		extender2.serveHTTP(t, w, req)
	}))
	defer es2.Close()

	policy := schedulerapi.Policy{
		ExtenderConfigs: []schedulerapi.ExtenderConfig{
			{
				URLPrefix:      es1.URL,
				FilterVerb:     filter,
				PrioritizeVerb: prioritize,
				Weight:         3,
				EnableHttps:    false,
			},
			{
				URLPrefix:      es2.URL,
				FilterVerb:     filter,
				PrioritizeVerb: prioritize,
				Weight:         4,
				EnableHttps:    false,
			},
		},
	}
	policy.APIVersion = testapi.Default.GroupVersion().String()

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

	defer close(schedulerConfig.StopEverything)

	DoTestPodScheduling(t, restClient)
}
Ejemplo n.º 25
0
func TestMultiScheduler(t *testing.T) {
	framework.DeleteAllEtcdKeys()

	var m *master.Master
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		m.Handler.ServeHTTP(w, req)
	}))
	// TODO: Uncomment when fix #19254
	// defer s.Close()

	masterConfig := framework.NewIntegrationTestMasterConfig()
	m, err := master.New(masterConfig)
	if err != nil {
		t.Fatalf("Error in bringing up the master: %v", err)
	}

	/*
		This integration tests the multi-scheduler feature in the following way:
		1. create a default scheduler
		2. create a node
		3. create 3 pods: testPodNoAnnotation, testPodWithAnnotationFitsDefault and testPodWithAnnotationFitsFoo
			- note: the first two should be picked and scheduled by default scheduler while the last one should be
			        picked by scheduler of name "foo-scheduler" which does not exist yet.
		4. **check point-1**:
			- testPodNoAnnotation, testPodWithAnnotationFitsDefault should be scheduled
			- testPodWithAnnotationFitsFoo should NOT be scheduled
		5. create a scheduler with name "foo-scheduler"
		6. **check point-2**:
			- testPodWithAnnotationFitsFoo should be scheduled
		7. stop default scheduler
		8. create 2 pods: testPodNoAnnotation2 and testPodWithAnnotationFitsDefault2
			- note: these two pods belong to default scheduler which no longer exists
		9. **check point-3**:
			- testPodNoAnnotation2 and testPodWithAnnotationFitsDefault2 shoule NOT be scheduled
	*/
	// 1. create and start default-scheduler
	restClient := client.NewOrDie(&client.Config{Host: s.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})

	schedulerConfigFactory := factory.NewConfigFactory(restClient, api.DefaultSchedulerName)
	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: api.DefaultSchedulerName})
	eventBroadcaster.StartRecordingToSink(restClient.Events(""))
	scheduler.New(schedulerConfig).Run()
	// default-scheduler will be stopped later

	// 2. create a node
	node := &api.Node{
		ObjectMeta: api.ObjectMeta{Name: "node-multi-scheduler-test-node"},
		Spec:       api.NodeSpec{Unschedulable: false},
		Status: api.NodeStatus{
			Capacity: api.ResourceList{
				api.ResourcePods: *resource.NewQuantity(32, resource.DecimalSI),
			},
		},
	}
	restClient.Nodes().Create(node)

	// 3. create 3 pods for testing
	podWithNoAnnotation := createPod("pod-with-no-annotation", nil)
	testPodNoAnnotation, err := restClient.Pods(api.NamespaceDefault).Create(podWithNoAnnotation)
	if err != nil {
		t.Fatalf("Failed to create pod: %v", err)
	}

	schedulerAnnotationFitsDefault := map[string]string{"scheduler.alpha.kubernetes.io/name": "default-scheduler"}
	podWithAnnotationFitsDefault := createPod("pod-with-annotation-fits-default", schedulerAnnotationFitsDefault)
	testPodWithAnnotationFitsDefault, err := restClient.Pods(api.NamespaceDefault).Create(podWithAnnotationFitsDefault)
	if err != nil {
		t.Fatalf("Failed to create pod: %v", err)
	}

	schedulerAnnotationFitsFoo := map[string]string{"scheduler.alpha.kubernetes.io/name": "foo-scheduler"}
	podWithAnnotationFitsFoo := createPod("pod-with-annotation-fits-foo", schedulerAnnotationFitsFoo)
	testPodWithAnnotationFitsFoo, err := restClient.Pods(api.NamespaceDefault).Create(podWithAnnotationFitsFoo)
	if err != nil {
		t.Fatalf("Failed to create pod: %v", err)
	}

	// 4. **check point-1**:
	//		- testPodNoAnnotation, testPodWithAnnotationFitsDefault should be scheduled
	//		- testPodWithAnnotationFitsFoo should NOT be scheduled
	err = wait.Poll(time.Second, time.Second*5, podScheduled(restClient, testPodNoAnnotation.Namespace, testPodNoAnnotation.Name))
	if err != nil {
		t.Errorf("Test MultiScheduler: %s Pod not scheduled: %v", testPodNoAnnotation.Name, err)
	} else {
		t.Logf("Test MultiScheduler: %s Pod scheduled", testPodNoAnnotation.Name)
	}

	err = wait.Poll(time.Second, time.Second*5, podScheduled(restClient, testPodWithAnnotationFitsDefault.Namespace, testPodWithAnnotationFitsDefault.Name))
	if err != nil {
		t.Errorf("Test MultiScheduler: %s Pod not scheduled: %v", testPodWithAnnotationFitsDefault.Name, err)
	} else {
		t.Logf("Test MultiScheduler: %s Pod scheduled", testPodWithAnnotationFitsDefault.Name)
	}

	err = wait.Poll(time.Second, time.Second*5, podScheduled(restClient, testPodWithAnnotationFitsFoo.Namespace, testPodWithAnnotationFitsFoo.Name))
	if err == nil {
		t.Errorf("Test MultiScheduler: %s Pod got scheduled, %v", testPodWithAnnotationFitsFoo.Name, err)
	} else {
		t.Logf("Test MultiScheduler: %s Pod not scheduled", testPodWithAnnotationFitsFoo.Name)
	}

	// 5. create and start a scheduler with name "foo-scheduler"
	restClient2 := client.NewOrDie(&client.Config{Host: s.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})

	schedulerConfigFactory2 := factory.NewConfigFactory(restClient2, "foo-scheduler")
	schedulerConfig2, err := schedulerConfigFactory2.Create()
	if err != nil {
		t.Errorf("Couldn't create scheduler config: %v", err)
	}
	eventBroadcaster2 := record.NewBroadcaster()
	schedulerConfig2.Recorder = eventBroadcaster2.NewRecorder(api.EventSource{Component: "foo-scheduler"})
	eventBroadcaster2.StartRecordingToSink(restClient2.Events(""))
	scheduler.New(schedulerConfig2).Run()

	defer close(schedulerConfig2.StopEverything)

	//	6. **check point-2**:
	//		- testPodWithAnnotationFitsFoo should be scheduled
	err = wait.Poll(time.Second, time.Second*5, podScheduled(restClient, testPodWithAnnotationFitsFoo.Namespace, testPodWithAnnotationFitsFoo.Name))
	if err != nil {
		t.Errorf("Test MultiScheduler: %s Pod not scheduled, %v", testPodWithAnnotationFitsFoo.Name, err)
	} else {
		t.Logf("Test MultiScheduler: %s Pod scheduled", testPodWithAnnotationFitsFoo.Name)
	}

	//	7. delete the pods that were scheduled by the default scheduler, and stop the default scheduler
	err = restClient.Pods(api.NamespaceDefault).Delete(testPodNoAnnotation.Name, api.NewDeleteOptions(0))
	if err != nil {
		t.Errorf("Failed to delete pod: %v", err)
	}
	err = restClient.Pods(api.NamespaceDefault).Delete(testPodWithAnnotationFitsDefault.Name, api.NewDeleteOptions(0))
	if err != nil {
		t.Errorf("Failed to delete pod: %v", err)
	}
	close(schedulerConfig.StopEverything)

	//	8. create 2 pods: testPodNoAnnotation2 and testPodWithAnnotationFitsDefault2
	//		- note: these two pods belong to default scheduler which no longer exists
	podWithNoAnnotation2 := createPod("pod-with-no-annotation2", nil)
	podWithAnnotationFitsDefault2 := createPod("pod-with-annotation-fits-default2", schedulerAnnotationFitsDefault)
	testPodNoAnnotation2, err := restClient.Pods(api.NamespaceDefault).Create(podWithNoAnnotation2)
	if err != nil {
		t.Fatalf("Failed to create pod: %v", err)
	}
	testPodWithAnnotationFitsDefault2, err := restClient.Pods(api.NamespaceDefault).Create(podWithAnnotationFitsDefault2)
	if err != nil {
		t.Fatalf("Failed to create pod: %v", err)
	}

	//	9. **check point-3**:
	//		- testPodNoAnnotation2 and testPodWithAnnotationFitsDefault2 shoule NOT be scheduled
	err = wait.Poll(time.Second, time.Second*5, podScheduled(restClient, testPodNoAnnotation2.Namespace, testPodNoAnnotation2.Name))
	if err == nil {
		t.Errorf("Test MultiScheduler: %s Pod got scheduled, %v", testPodNoAnnotation2.Name, err)
	} else {
		t.Logf("Test MultiScheduler: %s Pod not scheduled", testPodNoAnnotation2.Name)
	}
	err = wait.Poll(time.Second, time.Second*5, podScheduled(restClient, testPodWithAnnotationFitsDefault2.Namespace, testPodWithAnnotationFitsDefault2.Name))
	if err == nil {
		t.Errorf("Test MultiScheduler: %s Pod got scheduled, %v", testPodWithAnnotationFitsDefault2.Name, err)
	} else {
		t.Logf("Test MultiScheduler: %s Pod scheduled", testPodWithAnnotationFitsDefault2.Name)
	}
}
Ejemplo n.º 26
0
// This test will verify scheduler can work well regardless of whether kubelet is allocatable aware or not.
func TestAllocatable(t *testing.T) {
	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()

	masterConfig := framework.NewIntegrationTestMasterConfig()
	m, err := master.New(masterConfig)
	if err != nil {
		t.Fatalf("Error in bringing up the master: %v", err)
	}

	// 1. create and start default-scheduler
	restClient := client.NewOrDie(&client.Config{Host: s.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})

	schedulerConfigFactory := factory.NewConfigFactory(restClient, api.DefaultSchedulerName)
	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: api.DefaultSchedulerName})
	eventBroadcaster.StartRecordingToSink(restClient.Events(""))
	scheduler.New(schedulerConfig).Run()
	// default-scheduler will be stopped later
	defer close(schedulerConfig.StopEverything)

	// 2. create a node without allocatable awareness
	node := &api.Node{
		ObjectMeta: api.ObjectMeta{Name: "node-allocatable-scheduler-test-node"},
		Spec:       api.NodeSpec{Unschedulable: false},
		Status: api.NodeStatus{
			Capacity: api.ResourceList{
				api.ResourcePods:   *resource.NewQuantity(32, resource.DecimalSI),
				api.ResourceCPU:    *resource.NewMilliQuantity(30, resource.DecimalSI),
				api.ResourceMemory: *resource.NewQuantity(30, resource.BinarySI),
			},
		},
	}

	allocNode, err := restClient.Nodes().Create(node)
	if err != nil {
		t.Fatalf("Failed to create node: %v", err)
	}

	// 3. create resource pod which requires less than Capacity
	podResource := &api.Pod{
		ObjectMeta: api.ObjectMeta{Name: "pod-test-allocatable"},
		Spec: api.PodSpec{
			Containers: []api.Container{
				{
					Name:  "container",
					Image: "kubernetes/pause:go",
					Resources: api.ResourceRequirements{
						Requests: api.ResourceList{
							api.ResourceCPU:    *resource.NewMilliQuantity(20, resource.DecimalSI),
							api.ResourceMemory: *resource.NewQuantity(20, resource.BinarySI),
						},
					},
				},
			},
		},
	}

	testAllocPod, err := restClient.Pods(api.NamespaceDefault).Create(podResource)
	if err != nil {
		t.Fatalf("Test allocatable unawareness failed to create pod: %v", err)
	}

	// 4. Test: this test pod should be scheduled since api-server will use Capacity as Allocatable
	err = wait.Poll(time.Second, time.Second*5, podScheduled(restClient, testAllocPod.Namespace, testAllocPod.Name))
	if err != nil {
		t.Errorf("Test allocatable unawareness: %s Pod not scheduled: %v", testAllocPod.Name, err)
	} else {
		t.Logf("Test allocatable unawareness: %s Pod scheduled", testAllocPod.Name)
	}

	// 5. Change the node status to allocatable aware, note that Allocatable is less than Pod's requirement
	allocNode.Status = api.NodeStatus{
		Capacity: api.ResourceList{
			api.ResourcePods:   *resource.NewQuantity(32, resource.DecimalSI),
			api.ResourceCPU:    *resource.NewMilliQuantity(30, resource.DecimalSI),
			api.ResourceMemory: *resource.NewQuantity(30, resource.BinarySI),
		},
		Allocatable: api.ResourceList{
			api.ResourcePods:   *resource.NewQuantity(32, resource.DecimalSI),
			api.ResourceCPU:    *resource.NewMilliQuantity(10, resource.DecimalSI),
			api.ResourceMemory: *resource.NewQuantity(10, resource.BinarySI),
		},
	}

	if _, err := restClient.Nodes().UpdateStatus(allocNode); err != nil {
		t.Fatalf("Failed to update node with Status.Allocatable: %v", err)
	}

	if err := restClient.Pods(api.NamespaceDefault).Delete(podResource.Name, &api.DeleteOptions{}); err != nil {
		t.Fatalf("Failed to remove first resource pod: %v", err)
	}

	// 6. Make another pod with different name, same resource request
	podResource.ObjectMeta.Name = "pod-test-allocatable2"
	testAllocPod2, err := restClient.Pods(api.NamespaceDefault).Create(podResource)
	if err != nil {
		t.Fatalf("Test allocatable awareness failed to create pod: %v", err)
	}

	// 7. Test: this test pod should not be scheduled since it request more than Allocatable
	err = wait.Poll(time.Second, time.Second*5, podScheduled(restClient, testAllocPod2.Namespace, testAllocPod2.Name))
	if err == nil {
		t.Errorf("Test allocatable awareness: %s Pod got scheduled unexpectly, %v", testAllocPod2.Name, err)
	} else {
		t.Logf("Test allocatable awareness: %s Pod not scheduled as expected", testAllocPod2.Name)
	}
}
Ejemplo n.º 27
0
func BenchmarkScheduling(b *testing.B) {
	etcdStorage, err := framework.NewEtcdStorage()
	if err != nil {
		b.Fatalf("Couldn't create etcd storage: %v", err)
	}
	storageDestinations := master.NewStorageDestinations()
	storageDestinations.AddAPIGroup("", etcdStorage)
	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{
		StorageDestinations:   storageDestinations,
		KubeletClient:         client.FakeKubeletClient{},
		EnableCoreControllers: true,
		EnableLogsSupport:     false,
		EnableUISupport:       false,
		EnableIndex:           true,
		APIPrefix:             "/api",
		Authorizer:            apiserver.NewAlwaysAllowAuthorizer(),
		AdmissionControl:      admit.NewAlwaysAdmit(),
		StorageVersions:       map[string]string{"": testapi.Default.Version()},
	})

	c := client.NewOrDie(&client.Config{
		Host:    s.URL,
		Version: testapi.Default.Version(),
		QPS:     5000.0,
		Burst:   5000,
	})

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

	defer close(schedulerConfig.StopEverything)

	makeNNodes(c, 1000)
	N := b.N
	b.ResetTimer()
	makeNPods(c, N)
	for {
		objs := schedulerConfigFactory.ScheduledPodLister.Store.List()
		if len(objs) >= N {
			fmt.Printf("%v pods scheduled.\n", len(objs))
			/* // To prove that this actually works:
			for _, o := range objs {
				fmt.Printf("%s\n", o.(*api.Pod).Spec.NodeName)
			}
			*/
			break
		}
		time.Sleep(time.Millisecond)
	}
	b.StopTimer()
}
Ejemplo n.º 28
0
// Run runs the specified SchedulerServer.  This should never exit.
func Run(s *options.SchedulerServer) error {
	if c, err := configz.New("componentconfig"); err == nil {
		c.Set(s.KubeSchedulerConfiguration)
	} else {
		glog.Errorf("unable to register configz: %s", err)
	}
	kubeconfig, err := clientcmd.BuildConfigFromFlags(s.Master, s.Kubeconfig)
	if err != nil {
		glog.Errorf("unable to build config from flags: %v", err)
		return err
	}

	kubeconfig.ContentType = s.ContentType
	// Override kubeconfig qps/burst settings from flags
	kubeconfig.QPS = s.KubeAPIQPS
	kubeconfig.Burst = int(s.KubeAPIBurst)

	if err != nil {
		glog.Fatalf("Invalid API configuration: %v", err)
	}
	leaderElectionClient, err := clientset.NewForConfig(restclient.AddUserAgent(kubeconfig, "leader-election"))
	if err != nil {
		glog.Fatalf("Invalid API configuration: %v", err)
	}

	go func() {
		mux := http.NewServeMux()
		healthz.InstallHandler(mux)
		if s.EnableProfiling {
			mux.HandleFunc("/debug/pprof/", pprof.Index)
			mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
			mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
			if s.EnableContentionProfiling {
				goruntime.SetBlockProfileRate(1)
			}
		}
		configz.InstallHandler(mux)
		mux.Handle("/metrics", prometheus.Handler())

		server := &http.Server{
			Addr:    net.JoinHostPort(s.Address, strconv.Itoa(int(s.Port))),
			Handler: mux,
		}
		glog.Fatal(server.ListenAndServe())
	}()

	configFactory := factory.NewConfigFactory(leaderElectionClient, s.SchedulerName, s.HardPodAffinitySymmetricWeight, s.FailureDomains)
	config, err := createConfig(s, configFactory)

	if err != nil {
		glog.Fatalf("Failed to create scheduler configuration: %v", err)
	}

	eventBroadcaster := record.NewBroadcaster()
	config.Recorder = eventBroadcaster.NewRecorder(v1.EventSource{Component: s.SchedulerName})
	eventBroadcaster.StartLogging(glog.Infof)
	eventBroadcaster.StartRecordingToSink(&v1core.EventSinkImpl{Interface: leaderElectionClient.Core().Events("")})

	sched := scheduler.New(config)

	run := func(_ <-chan struct{}) {
		sched.Run()
		select {}
	}

	if !s.LeaderElection.LeaderElect {
		run(nil)
		glog.Fatal("this statement is unreachable")
		panic("unreachable")
	}

	id, err := os.Hostname()
	if err != nil {
		glog.Errorf("unable to get hostname: %v", err)
		return err
	}

	// TODO: enable other lock types
	rl := resourcelock.EndpointsLock{
		EndpointsMeta: v1.ObjectMeta{
			Namespace: "kube-system",
			Name:      "kube-scheduler",
		},
		Client: leaderElectionClient,
		LockConfig: resourcelock.ResourceLockConfig{
			Identity:      id,
			EventRecorder: config.Recorder,
		},
	}

	leaderelection.RunOrDie(leaderelection.LeaderElectionConfig{
		Lock:          &rl,
		LeaseDuration: s.LeaderElection.LeaseDuration.Duration,
		RenewDeadline: s.LeaderElection.RenewDeadline.Duration,
		RetryPeriod:   s.LeaderElection.RetryPeriod.Duration,
		Callbacks: leaderelection.LeaderCallbacks{
			OnStartedLeading: run,
			OnStoppedLeading: func() {
				glog.Fatalf("lost master")
			},
		},
	})

	glog.Fatal("this statement is unreachable")
	panic("unreachable")
}