// RunNodeController starts the node controller // TODO: handle node CIDR and route allocation func (c *MasterConfig) RunNodeController() { s := c.ControllerManager // this cidr has been validated already _, clusterCIDR, _ := net.ParseCIDR(s.ClusterCIDR) _, serviceCIDR, _ := net.ParseCIDR(s.ServiceCIDR) controller, err := nodecontroller.NewNodeController( c.CloudProvider, clientadapter.FromUnversionedClient(c.KubeClient), s.PodEvictionTimeout.Duration, flowcontrol.NewTokenBucketRateLimiter(s.DeletingPodsQps, int(s.DeletingPodsBurst)), flowcontrol.NewTokenBucketRateLimiter(s.DeletingPodsQps, int(s.DeletingPodsBurst)), // upstream uses the same ones too s.NodeMonitorGracePeriod.Duration, s.NodeStartupGracePeriod.Duration, s.NodeMonitorPeriod.Duration, clusterCIDR, serviceCIDR, int(s.NodeCIDRMaskSize), s.AllocateNodeCIDRs, ) if err != nil { glog.Fatalf("Unable to start node controller: %v", err) } controller.Run(s.NodeSyncPeriod.Duration) }
// RunNodeController starts the node controller // TODO: handle node CIDR and route allocation func (c *MasterConfig) RunNodeController() { s := c.ControllerManager // this cidr has been validated already _, clusterCIDR, _ := net.ParseCIDR(s.ClusterCIDR) _, serviceCIDR, _ := net.ParseCIDR(s.ServiceCIDR) controller, err := nodecontroller.NewNodeController( c.Informers.Pods().Informer(), c.CloudProvider, clientadapter.FromUnversionedClient(c.KubeClient), s.PodEvictionTimeout.Duration, s.NodeEvictionRate, s.SecondaryNodeEvictionRate, s.LargeClusterSizeThreshold, s.UnhealthyZoneThreshold, s.NodeMonitorGracePeriod.Duration, s.NodeStartupGracePeriod.Duration, s.NodeMonitorPeriod.Duration, clusterCIDR, serviceCIDR, int(s.NodeCIDRMaskSize), s.AllocateNodeCIDRs, ) if err != nil { glog.Fatalf("Unable to start node controller: %v", err) } controller.Run() }
// RunNodeController starts the node controller func (c *MasterConfig) RunNodeController() { s := c.ControllerManager controller := nodecontroller.NewNodeController( c.CloudProvider, c.KubeClient, s.PodEvictionTimeout, nodecontroller.NewPodEvictor(util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst)), s.NodeMonitorGracePeriod, s.NodeStartupGracePeriod, s.NodeMonitorPeriod, (*net.IPNet)(&s.ClusterCIDR), s.AllocateNodeCIDRs, ) controller.Run(s.NodeSyncPeriod) }
// RunNodeController starts the node controller func (c *MasterConfig) RunNodeController() { s := c.ControllerManager controller := nodecontroller.NewNodeController( c.CloudProvider, internalclientset.FromUnversionedClient(c.KubeClient), s.PodEvictionTimeout, util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), // upstream uses the same ones too s.NodeMonitorGracePeriod, s.NodeStartupGracePeriod, s.NodeMonitorPeriod, (*net.IPNet)(&s.ClusterCIDR), s.AllocateNodeCIDRs, ) controller.Run(s.NodeSyncPeriod) }
// RunNodeController starts the node controller func (c *MasterConfig) RunNodeController() { s := c.ControllerManager // this cidr has been validated already _, clusterCIDR, _ := net.ParseCIDR(s.ClusterCIDR) controller := nodecontroller.NewNodeController( c.CloudProvider, internalclientset.FromUnversionedClient(c.KubeClient), s.PodEvictionTimeout.Duration, util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), // upstream uses the same ones too s.NodeMonitorGracePeriod.Duration, s.NodeStartupGracePeriod.Duration, s.NodeMonitorPeriod.Duration, clusterCIDR, s.AllocateNodeCIDRs, ) controller.Run(s.NodeSyncPeriod.Duration) }
func StartControllers(controllers map[string]InitFunc, s *options.CMServer, rootClientBuilder, clientBuilder controller.ControllerClientBuilder, stop <-chan struct{}) error { sharedInformers := informers.NewSharedInformerFactory(rootClientBuilder.ClientOrDie("shared-informers"), nil, ResyncPeriod(s)()) // always start the SA token controller first using a full-power client, since it needs to mint tokens for the rest if len(s.ServiceAccountKeyFile) > 0 { privateKey, err := serviceaccount.ReadPrivateKey(s.ServiceAccountKeyFile) if err != nil { return fmt.Errorf("error reading key for service account token controller: %v", err) } else { var rootCA []byte if s.RootCAFile != "" { rootCA, err = ioutil.ReadFile(s.RootCAFile) if err != nil { return fmt.Errorf("error reading root-ca-file at %s: %v", s.RootCAFile, err) } if _, err := certutil.ParseCertsPEM(rootCA); err != nil { return fmt.Errorf("error parsing root-ca-file at %s: %v", s.RootCAFile, err) } } else { rootCA = rootClientBuilder.ConfigOrDie("tokens-controller").CAData } go serviceaccountcontroller.NewTokensController( rootClientBuilder.ClientOrDie("tokens-controller"), serviceaccountcontroller.TokensControllerOptions{ TokenGenerator: serviceaccount.JWTTokenGenerator(privateKey), RootCA: rootCA, }, ).Run(int(s.ConcurrentSATokenSyncs), stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } availableResources, err := getAvailableResources(clientBuilder) if err != nil { return err } ctx := ControllerContext{ ClientBuilder: clientBuilder, InformerFactory: sharedInformers, Options: *s, AvailableResources: availableResources, Stop: stop, } for controllerName, initFn := range controllers { time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) glog.V(1).Infof("Starting %q", controllerName) started, err := initFn(ctx) if err != nil { glog.Errorf("Error starting %q", controllerName) return err } if !started { glog.Warningf("Skipping %q", controllerName) } glog.Infof("Started %q", controllerName) } cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile) if err != nil { return fmt.Errorf("cloud provider could not be initialized: %v", err) } _, clusterCIDR, err := net.ParseCIDR(s.ClusterCIDR) if err != nil { glog.Warningf("Unsuccessful parsing of cluster CIDR %v: %v", s.ClusterCIDR, err) } _, serviceCIDR, err := net.ParseCIDR(s.ServiceCIDR) if err != nil { glog.Warningf("Unsuccessful parsing of service CIDR %v: %v", s.ServiceCIDR, err) } nodeController, err := nodecontroller.NewNodeController( sharedInformers.Pods(), sharedInformers.Nodes(), sharedInformers.DaemonSets(), cloud, clientBuilder.ClientOrDie("node-controller"), s.PodEvictionTimeout.Duration, s.NodeEvictionRate, s.SecondaryNodeEvictionRate, s.LargeClusterSizeThreshold, s.UnhealthyZoneThreshold, s.NodeMonitorGracePeriod.Duration, s.NodeStartupGracePeriod.Duration, s.NodeMonitorPeriod.Duration, clusterCIDR, serviceCIDR, int(s.NodeCIDRMaskSize), s.AllocateNodeCIDRs) if err != nil { return fmt.Errorf("failed to initialize nodecontroller: %v", err) } nodeController.Run() time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) serviceController, err := servicecontroller.New(cloud, clientBuilder.ClientOrDie("service-controller"), s.ClusterName) if err != nil { glog.Errorf("Failed to start service controller: %v", err) } else { serviceController.Run(int(s.ConcurrentServiceSyncs)) } time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) if s.AllocateNodeCIDRs && s.ConfigureCloudRoutes { if cloud == nil { glog.Warning("configure-cloud-routes is set, but no cloud provider specified. Will not configure cloud provider routes.") } else if routes, ok := cloud.Routes(); !ok { glog.Warning("configure-cloud-routes is set, but cloud provider does not support routes. Will not configure cloud provider routes.") } else { routeController := routecontroller.New(routes, clientBuilder.ClientOrDie("route-controller"), s.ClusterName, clusterCIDR) routeController.Run(s.RouteReconciliationPeriod.Duration) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } else { glog.Infof("Will not configure cloud provider routes for allocate-node-cidrs: %v, configure-cloud-routes: %v.", s.AllocateNodeCIDRs, s.ConfigureCloudRoutes) } if availableResources[schema.GroupVersionResource{Group: "extensions", Version: "v1beta1", Resource: "daemonsets"}] { go daemon.NewDaemonSetsController(sharedInformers.DaemonSets(), sharedInformers.Pods(), sharedInformers.Nodes(), clientBuilder.ClientOrDie("daemon-set-controller"), int(s.LookupCacheSizeForDaemonSet)). Run(int(s.ConcurrentDaemonSetSyncs), stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if availableResources[schema.GroupVersionResource{Group: "extensions", Version: "v1beta1", Resource: "jobs"}] { glog.Infof("Starting job controller") go job.NewJobController(sharedInformers.Pods().Informer(), sharedInformers.Jobs(), clientBuilder.ClientOrDie("job-controller")). Run(int(s.ConcurrentJobSyncs), stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if availableResources[schema.GroupVersionResource{Group: "extensions", Version: "v1beta1", Resource: "deployments"}] { glog.Infof("Starting deployment controller") go deployment.NewDeploymentController(sharedInformers.Deployments(), sharedInformers.ReplicaSets(), sharedInformers.Pods(), clientBuilder.ClientOrDie("deployment-controller")). Run(int(s.ConcurrentDeploymentSyncs), stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if availableResources[schema.GroupVersionResource{Group: "extensions", Version: "v1beta1", Resource: "replicasets"}] { glog.Infof("Starting ReplicaSet controller") go replicaset.NewReplicaSetController(sharedInformers.ReplicaSets(), sharedInformers.Pods(), clientBuilder.ClientOrDie("replicaset-controller"), replicaset.BurstReplicas, int(s.LookupCacheSizeForRS), s.EnableGarbageCollector). Run(int(s.ConcurrentRSSyncs), stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if availableResources[schema.GroupVersionResource{Group: "autoscaling", Version: "v1", Resource: "horizontalpodautoscalers"}] { glog.Infof("Starting horizontal pod autoscaler controller.") hpaClient := clientBuilder.ClientOrDie("horizontal-pod-autoscaler") metricsClient := metrics.NewHeapsterMetricsClient( hpaClient, metrics.DefaultHeapsterNamespace, metrics.DefaultHeapsterScheme, metrics.DefaultHeapsterService, metrics.DefaultHeapsterPort, ) replicaCalc := podautoscaler.NewReplicaCalculator(metricsClient, hpaClient.Core()) go podautoscaler.NewHorizontalController(hpaClient.Core(), hpaClient.Extensions(), hpaClient.Autoscaling(), replicaCalc, s.HorizontalPodAutoscalerSyncPeriod.Duration). Run(stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if availableResources[schema.GroupVersionResource{Group: "policy", Version: "v1beta1", Resource: "poddisruptionbudgets"}] { glog.Infof("Starting disruption controller") go disruption.NewDisruptionController(sharedInformers.Pods().Informer(), clientBuilder.ClientOrDie("disruption-controller")).Run(stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if availableResources[schema.GroupVersionResource{Group: "apps", Version: "v1beta1", Resource: "statefulsets"}] { glog.Infof("Starting StatefulSet controller") resyncPeriod := ResyncPeriod(s)() go petset.NewStatefulSetController( sharedInformers.Pods().Informer(), clientBuilder.ClientOrDie("statefulset-controller"), resyncPeriod, ).Run(1, stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if availableResources[schema.GroupVersionResource{Group: "batch", Version: "v2alpha1", Resource: "cronjobs"}] { glog.Infof("Starting cronjob controller") // TODO: this is a temp fix for allowing kubeClient list v2alpha1 sj, should switch to using clientset cronjobConfig := rootClientBuilder.ConfigOrDie("cronjob-controller") cronjobConfig.ContentConfig.GroupVersion = &schema.GroupVersion{Group: batch.GroupName, Version: "v2alpha1"} go cronjob.NewCronJobController(clientset.NewForConfigOrDie(cronjobConfig)).Run(stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } alphaProvisioner, err := NewAlphaVolumeProvisioner(cloud, s.VolumeConfiguration) if err != nil { return fmt.Errorf("an backward-compatible provisioner could not be created: %v, but one was expected. Provisioning will not work. This functionality is considered an early Alpha version.", err) } params := persistentvolumecontroller.ControllerParameters{ KubeClient: clientBuilder.ClientOrDie("persistent-volume-binder"), SyncPeriod: s.PVClaimBinderSyncPeriod.Duration, AlphaProvisioner: alphaProvisioner, VolumePlugins: ProbeControllerVolumePlugins(cloud, s.VolumeConfiguration), Cloud: cloud, ClusterName: s.ClusterName, EnableDynamicProvisioning: s.VolumeConfiguration.EnableDynamicProvisioning, } volumeController := persistentvolumecontroller.NewController(params) volumeController.Run(stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) attachDetachController, attachDetachControllerErr := attachdetach.NewAttachDetachController( clientBuilder.ClientOrDie("attachdetach-controller"), sharedInformers.Pods().Informer(), sharedInformers.Nodes().Informer(), sharedInformers.PersistentVolumeClaims().Informer(), sharedInformers.PersistentVolumes().Informer(), cloud, ProbeAttachableVolumePlugins(s.VolumeConfiguration)) if attachDetachControllerErr != nil { return fmt.Errorf("failed to start attach/detach controller: %v", attachDetachControllerErr) } go attachDetachController.Run(stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) if availableResources[schema.GroupVersionResource{Group: "certificates.k8s.io", Version: "v1alpha1", Resource: "certificatesigningrequests"}] { glog.Infof("Starting certificate request controller") resyncPeriod := ResyncPeriod(s)() c := clientBuilder.ClientOrDie("certificate-controller") certController, err := certcontroller.NewCertificateController( c, resyncPeriod, s.ClusterSigningCertFile, s.ClusterSigningKeyFile, certcontroller.NewGroupApprover(c.Certificates().CertificateSigningRequests(), s.ApproveAllKubeletCSRsForGroup), ) if err != nil { glog.Errorf("Failed to start certificate controller: %v", err) } else { go certController.Run(1, stop) } time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } go serviceaccountcontroller.NewServiceAccountsController( sharedInformers.ServiceAccounts(), sharedInformers.Namespaces(), clientBuilder.ClientOrDie("service-account-controller"), serviceaccountcontroller.DefaultServiceAccountsControllerOptions(), ).Run(1, stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) if s.EnableGarbageCollector { // TODO: should use a dynamic RESTMapper built from the discovery results. restMapper := registered.RESTMapper() gcClientset := clientBuilder.ClientOrDie("generic-garbage-collector") preferredResources, err := gcClientset.Discovery().ServerPreferredResources() if err != nil { return fmt.Errorf("failed to get supported resources from server: %v", err) } deletableResources := discovery.FilteredBy(discovery.SupportsAllVerbs{Verbs: []string{"delete"}}, preferredResources) deletableGroupVersionResources, err := discovery.GroupVersionResources(deletableResources) if err != nil { glog.Errorf("Failed to parse resources from server: %v", err) } config := rootClientBuilder.ConfigOrDie("generic-garbage-collector") config.ContentConfig.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: metaonly.NewMetadataCodecFactory()} metaOnlyClientPool := dynamic.NewClientPool(config, restMapper, dynamic.LegacyAPIPathResolverFunc) config.ContentConfig = dynamic.ContentConfig() clientPool := dynamic.NewClientPool(config, restMapper, dynamic.LegacyAPIPathResolverFunc) garbageCollector, err := garbagecollector.NewGarbageCollector(metaOnlyClientPool, clientPool, restMapper, deletableGroupVersionResources) if err != nil { glog.Errorf("Failed to start the generic garbage collector: %v", err) } else { workers := int(s.ConcurrentGCSyncs) go garbageCollector.Run(workers, stop) } } sharedInformers.Start(stop) select {} }
func StartControllers(s *options.CMServer, kubeconfig *restclient.Config, rootClientBuilder, clientBuilder controller.ControllerClientBuilder, stop <-chan struct{}, recorder record.EventRecorder) error { client := func(serviceAccountName string) clientset.Interface { return rootClientBuilder.ClientOrDie(serviceAccountName) } discoveryClient := client("controller-discovery").Discovery() sharedInformers := informers.NewSharedInformerFactory(client("shared-informers"), ResyncPeriod(s)()) // always start the SA token controller first using a full-power client, since it needs to mint tokens for the rest if len(s.ServiceAccountKeyFile) > 0 { privateKey, err := serviceaccount.ReadPrivateKey(s.ServiceAccountKeyFile) if err != nil { return fmt.Errorf("Error reading key for service account token controller: %v", err) } else { var rootCA []byte if s.RootCAFile != "" { rootCA, err = ioutil.ReadFile(s.RootCAFile) if err != nil { return fmt.Errorf("error reading root-ca-file at %s: %v", s.RootCAFile, err) } if _, err := certutil.ParseCertsPEM(rootCA); err != nil { return fmt.Errorf("error parsing root-ca-file at %s: %v", s.RootCAFile, err) } } else { rootCA = kubeconfig.CAData } go serviceaccountcontroller.NewTokensController( rootClientBuilder.ClientOrDie("tokens-controller"), serviceaccountcontroller.TokensControllerOptions{ TokenGenerator: serviceaccount.JWTTokenGenerator(privateKey), RootCA: rootCA, }, ).Run(int(s.ConcurrentSATokenSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } go endpointcontroller.NewEndpointController(sharedInformers.Pods().Informer(), client("endpoint-controller")). Run(int(s.ConcurrentEndpointSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) go replicationcontroller.NewReplicationManager( sharedInformers.Pods().Informer(), clientBuilder.ClientOrDie("replication-controller"), ResyncPeriod(s), replicationcontroller.BurstReplicas, int(s.LookupCacheSizeForRC), s.EnableGarbageCollector, ).Run(int(s.ConcurrentRCSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) if s.TerminatedPodGCThreshold > 0 { go podgc.NewPodGC(client("pod-garbage-collector"), sharedInformers.Pods().Informer(), int(s.TerminatedPodGCThreshold)).Run(wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile) if err != nil { glog.Fatalf("Cloud provider could not be initialized: %v", err) } _, clusterCIDR, err := net.ParseCIDR(s.ClusterCIDR) if err != nil { glog.Warningf("Unsuccessful parsing of cluster CIDR %v: %v", s.ClusterCIDR, err) } _, serviceCIDR, err := net.ParseCIDR(s.ServiceCIDR) if err != nil { glog.Warningf("Unsuccessful parsing of service CIDR %v: %v", s.ServiceCIDR, err) } nodeController, err := nodecontroller.NewNodeController( sharedInformers.Pods(), sharedInformers.Nodes(), sharedInformers.DaemonSets(), cloud, client("node-controller"), s.PodEvictionTimeout.Duration, s.NodeEvictionRate, s.SecondaryNodeEvictionRate, s.LargeClusterSizeThreshold, s.UnhealthyZoneThreshold, s.NodeMonitorGracePeriod.Duration, s.NodeStartupGracePeriod.Duration, s.NodeMonitorPeriod.Duration, clusterCIDR, serviceCIDR, int(s.NodeCIDRMaskSize), s.AllocateNodeCIDRs) if err != nil { glog.Fatalf("Failed to initialize nodecontroller: %v", err) } nodeController.Run() time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) serviceController, err := servicecontroller.New(cloud, client("service-controller"), s.ClusterName) if err != nil { glog.Errorf("Failed to start service controller: %v", err) } else { serviceController.Run(int(s.ConcurrentServiceSyncs)) } time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) if s.AllocateNodeCIDRs && s.ConfigureCloudRoutes { if cloud == nil { glog.Warning("configure-cloud-routes is set, but no cloud provider specified. Will not configure cloud provider routes.") } else if routes, ok := cloud.Routes(); !ok { glog.Warning("configure-cloud-routes is set, but cloud provider does not support routes. Will not configure cloud provider routes.") } else { routeController := routecontroller.New(routes, client("route-controller"), s.ClusterName, clusterCIDR) routeController.Run(s.RouteReconciliationPeriod.Duration) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } else { glog.Infof("Will not configure cloud provider routes for allocate-node-cidrs: %v, configure-cloud-routes: %v.", s.AllocateNodeCIDRs, s.ConfigureCloudRoutes) } resourceQuotaControllerClient := client("resourcequota-controller") resourceQuotaRegistry := quotainstall.NewRegistry(resourceQuotaControllerClient) groupKindsToReplenish := []unversioned.GroupKind{ api.Kind("Pod"), api.Kind("Service"), api.Kind("ReplicationController"), api.Kind("PersistentVolumeClaim"), api.Kind("Secret"), api.Kind("ConfigMap"), } resourceQuotaControllerOptions := &resourcequotacontroller.ResourceQuotaControllerOptions{ KubeClient: resourceQuotaControllerClient, ResyncPeriod: controller.StaticResyncPeriodFunc(s.ResourceQuotaSyncPeriod.Duration), Registry: resourceQuotaRegistry, ControllerFactory: resourcequotacontroller.NewReplenishmentControllerFactory(sharedInformers.Pods().Informer(), resourceQuotaControllerClient), ReplenishmentResyncPeriod: ResyncPeriod(s), GroupKindsToReplenish: groupKindsToReplenish, } go resourcequotacontroller.NewResourceQuotaController(resourceQuotaControllerOptions).Run(int(s.ConcurrentResourceQuotaSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) // If apiserver is not running we should wait for some time and fail only then. This is particularly // important when we start apiserver and controller manager at the same time. var versionStrings []string err = wait.PollImmediate(time.Second, 10*time.Second, func() (bool, error) { if versionStrings, err = restclient.ServerAPIVersions(kubeconfig); err == nil { return true, nil } glog.Errorf("Failed to get api versions from server: %v", err) return false, nil }) if err != nil { glog.Fatalf("Failed to get api versions from server: %v", err) } versions := &unversioned.APIVersions{Versions: versionStrings} resourceMap, err := discoveryClient.ServerResources() if err != nil { glog.Fatalf("Failed to get supported resources from server: %v", err) } // TODO: should use a dynamic RESTMapper built from the discovery results. restMapper := registered.RESTMapper() // Find the list of namespaced resources via discovery that the namespace controller must manage namespaceKubeClient := client("namespace-controller") namespaceClientPool := dynamic.NewClientPool(restclient.AddUserAgent(kubeconfig, "namespace-controller"), restMapper, dynamic.LegacyAPIPathResolverFunc) groupVersionResources, err := namespaceKubeClient.Discovery().ServerPreferredNamespacedResources() if err != nil { glog.Fatalf("Failed to get supported resources from server: %v", err) } namespaceController := namespacecontroller.NewNamespaceController(namespaceKubeClient, namespaceClientPool, groupVersionResources, s.NamespaceSyncPeriod.Duration, api.FinalizerKubernetes) go namespaceController.Run(int(s.ConcurrentNamespaceSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) groupVersion := "extensions/v1beta1" resources, found := resourceMap[groupVersion] // TODO: this needs to be dynamic so users don't have to restart their controller manager if they change the apiserver if containsVersion(versions, groupVersion) && found { glog.Infof("Starting %s apis", groupVersion) if containsResource(resources, "horizontalpodautoscalers") { glog.Infof("Starting horizontal pod controller.") hpaClient := client("horizontal-pod-autoscaler") metricsClient := metrics.NewHeapsterMetricsClient( hpaClient, metrics.DefaultHeapsterNamespace, metrics.DefaultHeapsterScheme, metrics.DefaultHeapsterService, metrics.DefaultHeapsterPort, ) go podautoscaler.NewHorizontalController(hpaClient.Core(), hpaClient.Extensions(), hpaClient.Autoscaling(), metricsClient, s.HorizontalPodAutoscalerSyncPeriod.Duration). Run(wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if containsResource(resources, "daemonsets") { glog.Infof("Starting daemon set controller") go daemon.NewDaemonSetsController(sharedInformers.DaemonSets(), sharedInformers.Pods(), sharedInformers.Nodes(), client("daemon-set-controller"), int(s.LookupCacheSizeForDaemonSet)). Run(int(s.ConcurrentDaemonSetSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if containsResource(resources, "jobs") { glog.Infof("Starting job controller") go job.NewJobController(sharedInformers.Pods().Informer(), client("job-controller")). Run(int(s.ConcurrentJobSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if containsResource(resources, "deployments") { glog.Infof("Starting deployment controller") go deployment.NewDeploymentController(client("deployment-controller"), ResyncPeriod(s)). Run(int(s.ConcurrentDeploymentSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if containsResource(resources, "replicasets") { glog.Infof("Starting ReplicaSet controller") go replicaset.NewReplicaSetController(sharedInformers.Pods().Informer(), client("replicaset-controller"), ResyncPeriod(s), replicaset.BurstReplicas, int(s.LookupCacheSizeForRS), s.EnableGarbageCollector). Run(int(s.ConcurrentRSSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } groupVersion = "policy/v1alpha1" resources, found = resourceMap[groupVersion] glog.Infof("Attempting to start disruption controller, full resource map %+v", resourceMap) if containsVersion(versions, groupVersion) && found { glog.Infof("Starting %s apis", groupVersion) if containsResource(resources, "poddisruptionbudgets") { glog.Infof("Starting disruption controller") go disruption.NewDisruptionController(sharedInformers.Pods().Informer(), client("disruption-controller")).Run(wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } groupVersion = "apps/v1alpha1" resources, found = resourceMap[groupVersion] glog.Infof("Attempting to start petset, full resource map %+v", resourceMap) if containsVersion(versions, groupVersion) && found { glog.Infof("Starting %s apis", groupVersion) if containsResource(resources, "petsets") { glog.Infof("Starting PetSet controller") resyncPeriod := ResyncPeriod(s)() go petset.NewPetSetController( sharedInformers.Pods().Informer(), client("petset-controller"), resyncPeriod, ).Run(1, wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } groupVersion = "batch/v2alpha1" resources, found = resourceMap[groupVersion] if containsVersion(versions, groupVersion) && found { glog.Infof("Starting %s apis", groupVersion) if containsResource(resources, "scheduledjobs") { glog.Infof("Starting scheduledjob controller") // // TODO: this is a temp fix for allowing kubeClient list v2alpha1 sj, should switch to using clientset kubeconfig.ContentConfig.GroupVersion = &unversioned.GroupVersion{Group: batch.GroupName, Version: "v2alpha1"} go scheduledjob.NewScheduledJobController(client("scheduledjob-controller")). Run(wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } else { glog.Infof("Not starting %s apis", groupVersion) } alphaProvisioner, err := NewAlphaVolumeProvisioner(cloud, s.VolumeConfiguration) if err != nil { glog.Fatalf("An backward-compatible provisioner could not be created: %v, but one was expected. Provisioning will not work. This functionality is considered an early Alpha version.", err) } params := persistentvolumecontroller.ControllerParameters{ KubeClient: client("persistent-volume-binder"), SyncPeriod: s.PVClaimBinderSyncPeriod.Duration, AlphaProvisioner: alphaProvisioner, VolumePlugins: ProbeControllerVolumePlugins(cloud, s.VolumeConfiguration), Cloud: cloud, ClusterName: s.ClusterName, EnableDynamicProvisioning: s.VolumeConfiguration.EnableDynamicProvisioning, } volumeController := persistentvolumecontroller.NewController(params) volumeController.Run(wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) attachDetachController, attachDetachControllerErr := attachdetach.NewAttachDetachController( client("attachdetach-controller"), sharedInformers.Pods().Informer(), sharedInformers.Nodes().Informer(), sharedInformers.PersistentVolumeClaims().Informer(), sharedInformers.PersistentVolumes().Informer(), cloud, ProbeAttachableVolumePlugins(s.VolumeConfiguration), recorder) if attachDetachControllerErr != nil { glog.Fatalf("Failed to start attach/detach controller: %v", attachDetachControllerErr) } go attachDetachController.Run(wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) groupVersion = "certificates.k8s.io/v1alpha1" resources, found = resourceMap[groupVersion] glog.Infof("Attempting to start certificates, full resource map %+v", resourceMap) if containsVersion(versions, groupVersion) && found { glog.Infof("Starting %s apis", groupVersion) if containsResource(resources, "certificatesigningrequests") { glog.Infof("Starting certificate request controller") resyncPeriod := ResyncPeriod(s)() certController, err := certcontroller.NewCertificateController( client("certificate-controller"), resyncPeriod, s.ClusterSigningCertFile, s.ClusterSigningKeyFile, s.ApproveAllKubeletCSRsForGroup, ) if err != nil { glog.Errorf("Failed to start certificate controller: %v", err) } else { go certController.Run(1, wait.NeverStop) } time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } serviceaccountcontroller.NewServiceAccountsController( client("service-account-controller"), serviceaccountcontroller.DefaultServiceAccountsControllerOptions(), ).Run() time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) if s.EnableGarbageCollector { gcClientset := client("generic-garbage-collector") groupVersionResources, err := gcClientset.Discovery().ServerPreferredResources() if err != nil { glog.Fatalf("Failed to get supported resources from server: %v", err) } config := restclient.AddUserAgent(kubeconfig, "generic-garbage-collector") config.ContentConfig.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: metaonly.NewMetadataCodecFactory()} metaOnlyClientPool := dynamic.NewClientPool(config, restMapper, dynamic.LegacyAPIPathResolverFunc) config.ContentConfig.NegotiatedSerializer = nil clientPool := dynamic.NewClientPool(config, restMapper, dynamic.LegacyAPIPathResolverFunc) garbageCollector, err := garbagecollector.NewGarbageCollector(metaOnlyClientPool, clientPool, restMapper, groupVersionResources) if err != nil { glog.Errorf("Failed to start the generic garbage collector: %v", err) } else { workers := int(s.ConcurrentGCSyncs) go garbageCollector.Run(workers, wait.NeverStop) } } sharedInformers.Start(stop) select {} }
// Run runs the CMServer. This should never exit. func (s *CMServer) 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()) }() go endpointcontroller.NewEndpointController(kubeClient, s.ResyncPeriod). Run(s.ConcurrentEndpointSyncs, util.NeverStop) go replicationcontroller.NewReplicationManager(kubeClient, s.ResyncPeriod, replicationcontroller.BurstReplicas). Run(s.ConcurrentRCSyncs, util.NeverStop) if s.TerminatedPodGCThreshold > 0 { go gc.New(kubeClient, s.ResyncPeriod, s.TerminatedPodGCThreshold). Run(util.NeverStop) } cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile) if err != nil { glog.Fatalf("Cloud provider could not be initialized: %v", err) } nodeController := nodecontroller.NewNodeController(cloud, kubeClient, s.PodEvictionTimeout, util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), s.NodeMonitorGracePeriod, s.NodeStartupGracePeriod, s.NodeMonitorPeriod, &s.ClusterCIDR, s.AllocateNodeCIDRs) nodeController.Run(s.NodeSyncPeriod) serviceController := servicecontroller.New(cloud, kubeClient, s.ClusterName) if err := serviceController.Run(s.ServiceSyncPeriod, s.NodeSyncPeriod); err != nil { glog.Errorf("Failed to start service controller: %v", err) } if s.AllocateNodeCIDRs { if cloud == nil { glog.Warning("allocate-node-cidrs is set, but no cloud provider specified. Will not manage routes.") } else if routes, ok := cloud.Routes(); !ok { glog.Warning("allocate-node-cidrs is set, but cloud provider does not support routes. Will not manage routes.") } else { routeController := routecontroller.New(routes, kubeClient, s.ClusterName, &s.ClusterCIDR) routeController.Run(s.NodeSyncPeriod) } } resourcequotacontroller.NewResourceQuotaController(kubeClient).Run(s.ResourceQuotaSyncPeriod) // If apiserver is not running we should wait for some time and fail only then. This is particularly // important when we start apiserver and controller manager at the same time. var versionStrings []string err = wait.PollImmediate(time.Second, 10*time.Second, func() (bool, error) { if versionStrings, err = client.ServerAPIVersions(kubeconfig); err == nil { return true, nil } glog.Errorf("Failed to get api versions from server: %v", err) return false, nil }) if err != nil { glog.Fatalf("Failed to get api versions from server: %v", err) } versions := &unversioned.APIVersions{Versions: versionStrings} resourceMap, err := kubeClient.Discovery().ServerResources() if err != nil { glog.Fatalf("Failed to get supported resources from server: %v", err) } namespacecontroller.NewNamespaceController(kubeClient, versions, s.NamespaceSyncPeriod).Run() groupVersion := "extensions/v1beta1" resources, found := resourceMap[groupVersion] // TODO: this needs to be dynamic so users don't have to restart their controller manager if they change the apiserver if containsVersion(versions, groupVersion) && found { glog.Infof("Starting %s apis", groupVersion) if containsResource(resources, "horizontalpodautoscalers") { glog.Infof("Starting horizontal pod controller.") metricsClient := metrics.NewHeapsterMetricsClient(kubeClient, metrics.DefaultHeapsterNamespace, metrics.DefaultHeapsterScheme, metrics.DefaultHeapsterService, metrics.DefaultHeapsterPort) podautoscaler.NewHorizontalController(kubeClient, metricsClient). Run(s.HorizontalPodAutoscalerSyncPeriod) } if containsResource(resources, "daemonsets") { glog.Infof("Starting daemon set controller") go daemon.NewDaemonSetsController(kubeClient, s.ResyncPeriod). Run(s.ConcurrentDSCSyncs, util.NeverStop) } if containsResource(resources, "jobs") { glog.Infof("Starting job controller") go job.NewJobController(kubeClient, s.ResyncPeriod). Run(s.ConcurrentJobSyncs, util.NeverStop) } if containsResource(resources, "deployments") { glog.Infof("Starting deployment controller") deployment.New(kubeClient). Run(s.DeploymentControllerSyncPeriod) } } pvclaimBinder := persistentvolumecontroller.NewPersistentVolumeClaimBinder(kubeClient, s.PVClaimBinderSyncPeriod) pvclaimBinder.Run() pvRecycler, err := persistentvolumecontroller.NewPersistentVolumeRecycler(kubeClient, s.PVClaimBinderSyncPeriod, ProbeRecyclableVolumePlugins(s.VolumeConfigFlags)) if err != nil { glog.Fatalf("Failed to start persistent volume recycler: %+v", err) } pvRecycler.Run() var rootCA []byte if s.RootCAFile != "" { rootCA, err = ioutil.ReadFile(s.RootCAFile) if err != nil { return fmt.Errorf("error reading root-ca-file at %s: %v", s.RootCAFile, err) } if _, err := util.CertsFromPEM(rootCA); err != nil { return fmt.Errorf("error parsing root-ca-file at %s: %v", s.RootCAFile, err) } } else { rootCA = kubeconfig.CAData } if len(s.ServiceAccountKeyFile) > 0 { privateKey, err := serviceaccount.ReadPrivateKey(s.ServiceAccountKeyFile) if err != nil { glog.Errorf("Error reading key for service account token controller: %v", err) } else { serviceaccount.NewTokensController( kubeClient, serviceaccount.TokensControllerOptions{ TokenGenerator: serviceaccount.JWTTokenGenerator(privateKey), RootCA: rootCA, }, ).Run() } } serviceaccount.NewServiceAccountsController( kubeClient, serviceaccount.DefaultServiceAccountsControllerOptions(), ).Run() select {} }
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 }
func (s *CMServer) 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 } kubeconfig.QPS = 20.0 kubeconfig.Burst = 30 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 { profile.InstallHandler(mux) } mux.Handle("/metrics", prometheus.Handler()) server := &http.Server{ Addr: net.JoinHostPort(s.Address, strconv.Itoa(s.Port)), Handler: mux, } glog.Fatal(server.ListenAndServe()) }() endpoints := s.createEndpointController(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "endpoint-controller"))) go endpoints.Run(s.ConcurrentEndpointSyncs, wait.NeverStop) go replicationcontroller.NewReplicationManager(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "replication-controller")), s.resyncPeriod, replicationcontroller.BurstReplicas, s.LookupCacheSizeForRC). Run(s.ConcurrentRCSyncs, wait.NeverStop) if s.TerminatedPodGCThreshold > 0 { go gc.New(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "garbage-collector")), s.resyncPeriod, s.TerminatedPodGCThreshold). Run(wait.NeverStop) } //TODO(jdef) should eventually support more cloud providers here if s.CloudProvider != mesos.ProviderName { glog.Fatalf("Only provider %v is supported, you specified %v", mesos.ProviderName, s.CloudProvider) } cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile) if err != nil { glog.Fatalf("Cloud provider could not be initialized: %v", err) } _, clusterCIDR, _ := net.ParseCIDR(s.ClusterCIDR) nodeController := nodecontroller.NewNodeController(cloud, clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "node-controller")), s.PodEvictionTimeout.Duration, flowcontrol.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), flowcontrol.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), s.NodeMonitorGracePeriod.Duration, s.NodeStartupGracePeriod.Duration, s.NodeMonitorPeriod.Duration, clusterCIDR, s.AllocateNodeCIDRs) nodeController.Run(s.NodeSyncPeriod.Duration) nodeStatusUpdaterController := node.NewStatusUpdater(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "node-status-controller")), s.NodeMonitorPeriod.Duration, time.Now) if err := nodeStatusUpdaterController.Run(wait.NeverStop); err != nil { glog.Fatalf("Failed to start node status update controller: %v", err) } serviceController := servicecontroller.New(cloud, clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "service-controller")), s.ClusterName) if err := serviceController.Run(s.ServiceSyncPeriod.Duration, s.NodeSyncPeriod.Duration); err != nil { glog.Errorf("Failed to start service controller: %v", err) } if s.AllocateNodeCIDRs { routes, ok := cloud.Routes() if !ok { glog.Fatal("Cloud provider must support routes if allocate-node-cidrs is set") } routeController := routecontroller.New(routes, clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "route-controller")), s.ClusterName, clusterCIDR) routeController.Run(s.NodeSyncPeriod.Duration) } resourceQuotaControllerClient := clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "resource-quota-controller")) resourceQuotaRegistry := quotainstall.NewRegistry(resourceQuotaControllerClient) groupKindsToReplenish := []unversioned.GroupKind{ api.Kind("Pod"), api.Kind("Service"), api.Kind("ReplicationController"), api.Kind("PersistentVolumeClaim"), api.Kind("Secret"), } resourceQuotaControllerOptions := &resourcequotacontroller.ResourceQuotaControllerOptions{ KubeClient: resourceQuotaControllerClient, ResyncPeriod: controller.StaticResyncPeriodFunc(s.ResourceQuotaSyncPeriod.Duration), Registry: resourceQuotaRegistry, GroupKindsToReplenish: groupKindsToReplenish, ReplenishmentResyncPeriod: s.resyncPeriod, ControllerFactory: resourcequotacontroller.NewReplenishmentControllerFactory(resourceQuotaControllerClient), } go resourcequotacontroller.NewResourceQuotaController(resourceQuotaControllerOptions).Run(s.ConcurrentResourceQuotaSyncs, wait.NeverStop) // If apiserver is not running we should wait for some time and fail only then. This is particularly // important when we start apiserver and controller manager at the same time. var versionStrings []string err = wait.PollImmediate(time.Second, 10*time.Second, func() (bool, error) { if versionStrings, err = restclient.ServerAPIVersions(kubeconfig); err == nil { return true, nil } glog.Errorf("Failed to get api versions from server: %v", err) return false, nil }) if err != nil { glog.Fatalf("Failed to get api versions from server: %v", err) } versions := &unversioned.APIVersions{Versions: versionStrings} resourceMap, err := kubeClient.Discovery().ServerResources() if err != nil { glog.Fatalf("Failed to get supported resources from server: %v", err) } // Find the list of namespaced resources via discovery that the namespace controller must manage namespaceKubeClient := clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "namespace-controller")) namespaceClientPool := dynamic.NewClientPool(restclient.AddUserAgent(kubeconfig, "namespace-controller"), dynamic.LegacyAPIPathResolverFunc) groupVersionResources, err := namespacecontroller.ServerPreferredNamespacedGroupVersionResources(namespaceKubeClient.Discovery()) if err != nil { glog.Fatalf("Failed to get supported resources from server: %v", err) } namespaceController := namespacecontroller.NewNamespaceController(namespaceKubeClient, namespaceClientPool, groupVersionResources, s.NamespaceSyncPeriod.Duration, api.FinalizerKubernetes) go namespaceController.Run(s.ConcurrentNamespaceSyncs, wait.NeverStop) groupVersion := "extensions/v1beta1" resources, found := resourceMap[groupVersion] // TODO(k8s): this needs to be dynamic so users don't have to restart their controller manager if they change the apiserver if containsVersion(versions, groupVersion) && found { glog.Infof("Starting %s apis", groupVersion) if containsResource(resources, "horizontalpodautoscalers") { glog.Infof("Starting horizontal pod controller.") hpaClient := clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "horizontal-pod-autoscaler")) metricsClient := metrics.NewHeapsterMetricsClient( hpaClient, metrics.DefaultHeapsterNamespace, metrics.DefaultHeapsterScheme, metrics.DefaultHeapsterService, metrics.DefaultHeapsterPort, ) go podautoscaler.NewHorizontalController(hpaClient.Core(), hpaClient.Extensions(), hpaClient, metricsClient, s.HorizontalPodAutoscalerSyncPeriod.Duration). Run(wait.NeverStop) } if containsResource(resources, "daemonsets") { glog.Infof("Starting daemon set controller") go daemon.NewDaemonSetsController(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "daemon-set-controller")), s.resyncPeriod, s.LookupCacheSizeForDaemonSet). Run(s.ConcurrentDaemonSetSyncs, wait.NeverStop) } if containsResource(resources, "jobs") { glog.Infof("Starting job controller") go job.NewJobController(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "job-controller")), s.resyncPeriod). Run(s.ConcurrentJobSyncs, wait.NeverStop) } if containsResource(resources, "deployments") { glog.Infof("Starting deployment controller") go deployment.NewDeploymentController(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "deployment-controller")), s.resyncPeriod). Run(s.ConcurrentDeploymentSyncs, wait.NeverStop) } if containsResource(resources, "replicasets") { glog.Infof("Starting ReplicaSet controller") go replicaset.NewReplicaSetController(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "replicaset-controller")), s.resyncPeriod, replicaset.BurstReplicas, s.LookupCacheSizeForRS). Run(s.ConcurrentRSSyncs, wait.NeverStop) } } volumePlugins := kubecontrollermanager.ProbeRecyclableVolumePlugins(s.VolumeConfiguration) provisioner, err := kubecontrollermanager.NewVolumeProvisioner(cloud, s.VolumeConfiguration) if err != nil { glog.Fatal("A Provisioner could not be created, but one was expected. Provisioning will not work. This functionality is considered an early Alpha version.") } pvclaimBinder := persistentvolumecontroller.NewPersistentVolumeClaimBinder( clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "persistent-volume-binder")), s.PVClaimBinderSyncPeriod.Duration, ) pvclaimBinder.Run() pvRecycler, err := persistentvolumecontroller.NewPersistentVolumeRecycler( clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "persistent-volume-recycler")), s.PVClaimBinderSyncPeriod.Duration, s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.MaximumRetry, kubecontrollermanager.ProbeRecyclableVolumePlugins(s.VolumeConfiguration), cloud, ) if err != nil { glog.Fatalf("Failed to start persistent volume recycler: %+v", err) } pvRecycler.Run() if provisioner != nil { pvController, err := persistentvolumecontroller.NewPersistentVolumeProvisionerController(persistentvolumecontroller.NewControllerClient(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "persistent-volume-controller"))), s.PVClaimBinderSyncPeriod.Duration, s.ClusterName, volumePlugins, provisioner, cloud) if err != nil { glog.Fatalf("Failed to start persistent volume provisioner controller: %+v", err) } pvController.Run() } var rootCA []byte if s.RootCAFile != "" { rootCA, err = ioutil.ReadFile(s.RootCAFile) if err != nil { return fmt.Errorf("error reading root-ca-file at %s: %v", s.RootCAFile, err) } if _, err := crypto.CertsFromPEM(rootCA); err != nil { return fmt.Errorf("error parsing root-ca-file at %s: %v", s.RootCAFile, err) } } else { rootCA = kubeconfig.CAData } if len(s.ServiceAccountKeyFile) > 0 { privateKey, err := serviceaccount.ReadPrivateKey(s.ServiceAccountKeyFile) if err != nil { glog.Errorf("Error reading key for service account token controller: %v", err) } else { serviceaccountcontroller.NewTokensController( clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "tokens-controller")), serviceaccountcontroller.TokensControllerOptions{ TokenGenerator: serviceaccount.JWTTokenGenerator(privateKey), RootCA: rootCA, }, ).Run() } } serviceaccountcontroller.NewServiceAccountsController( clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "service-account-controller")), serviceaccountcontroller.DefaultServiceAccountsControllerOptions(), ).Run() select {} }
func StartControllers(s *options.CMServer, kubeClient *client.Client, kubeconfig *restclient.Config, stop <-chan struct{}) error { podInformer := informers.CreateSharedPodIndexInformer(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "pod-informer")), ResyncPeriod(s)()) nodeInformer := informers.CreateSharedNodeIndexInformer(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "node-informer")), ResyncPeriod(s)()) pvcInformer := informers.CreateSharedPVCIndexInformer(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "pvc-informer")), ResyncPeriod(s)()) pvInformer := informers.CreateSharedPVIndexInformer(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "pv-informer")), ResyncPeriod(s)()) informers := map[reflect.Type]framework.SharedIndexInformer{} informers[reflect.TypeOf(&api.Pod{})] = podInformer informers[reflect.TypeOf(&api.Node{})] = nodeInformer informers[reflect.TypeOf(&api.PersistentVolumeClaim{})] = pvcInformer informers[reflect.TypeOf(&api.PersistentVolume{})] = pvInformer go endpointcontroller.NewEndpointController(podInformer, clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "endpoint-controller"))). Run(int(s.ConcurrentEndpointSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) go replicationcontroller.NewReplicationManager( podInformer, clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "replication-controller")), ResyncPeriod(s), replicationcontroller.BurstReplicas, int(s.LookupCacheSizeForRC), ).Run(int(s.ConcurrentRCSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) if s.TerminatedPodGCThreshold > 0 { go gc.New(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "garbage-collector")), ResyncPeriod(s), int(s.TerminatedPodGCThreshold)). Run(wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile) if err != nil { glog.Fatalf("Cloud provider could not be initialized: %v", err) } _, clusterCIDR, err := net.ParseCIDR(s.ClusterCIDR) if err != nil { glog.Warningf("Unsuccessful parsing of cluster CIDR %v: %v", s.ClusterCIDR, err) } _, serviceCIDR, err := net.ParseCIDR(s.ServiceCIDR) if err != nil { glog.Warningf("Unsuccessful parsing of service CIDR %v: %v", s.ServiceCIDR, err) } nodeController := nodecontroller.NewNodeController(cloud, clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "node-controller")), s.PodEvictionTimeout.Duration, flowcontrol.NewTokenBucketRateLimiter(s.DeletingPodsQps, int(s.DeletingPodsBurst)), flowcontrol.NewTokenBucketRateLimiter(s.DeletingPodsQps, int(s.DeletingPodsBurst)), s.NodeMonitorGracePeriod.Duration, s.NodeStartupGracePeriod.Duration, s.NodeMonitorPeriod.Duration, clusterCIDR, serviceCIDR, int(s.NodeCIDRMaskSize), s.AllocateNodeCIDRs) nodeController.Run(s.NodeSyncPeriod.Duration) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) serviceController := servicecontroller.New(cloud, clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "service-controller")), s.ClusterName) if err := serviceController.Run(s.ServiceSyncPeriod.Duration, s.NodeSyncPeriod.Duration); err != nil { glog.Errorf("Failed to start service controller: %v", err) } time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) if s.AllocateNodeCIDRs && s.ConfigureCloudRoutes { if cloud == nil { glog.Warning("configure-cloud-routes is set, but no cloud provider specified. Will not configure cloud provider routes.") } else if routes, ok := cloud.Routes(); !ok { glog.Warning("configure-cloud-routes is set, but cloud provider does not support routes. Will not configure cloud provider routes.") } else { routeController := routecontroller.New(routes, clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "route-controller")), s.ClusterName, clusterCIDR) routeController.Run(s.NodeSyncPeriod.Duration) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } else if s.ConfigureCloudRoutes && !s.AllocateNodeCIDRs { glog.Warningf("allocate-node-cidrs set to %v, will not configure cloud provider routes.", s.AllocateNodeCIDRs) } else if s.AllocateNodeCIDRs && !s.ConfigureCloudRoutes { glog.Infof("configure-cloud-routes is set to %v, will not configure cloud provider routes.", s.ConfigureCloudRoutes) } resourceQuotaControllerClient := clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "resourcequota-controller")) resourceQuotaRegistry := quotainstall.NewRegistry(resourceQuotaControllerClient) groupKindsToReplenish := []unversioned.GroupKind{ api.Kind("Pod"), api.Kind("Service"), api.Kind("ReplicationController"), api.Kind("PersistentVolumeClaim"), api.Kind("Secret"), api.Kind("ConfigMap"), } resourceQuotaControllerOptions := &resourcequotacontroller.ResourceQuotaControllerOptions{ KubeClient: resourceQuotaControllerClient, ResyncPeriod: controller.StaticResyncPeriodFunc(s.ResourceQuotaSyncPeriod.Duration), Registry: resourceQuotaRegistry, ControllerFactory: resourcequotacontroller.NewReplenishmentControllerFactory(podInformer, resourceQuotaControllerClient), ReplenishmentResyncPeriod: ResyncPeriod(s), GroupKindsToReplenish: groupKindsToReplenish, } go resourcequotacontroller.NewResourceQuotaController(resourceQuotaControllerOptions).Run(int(s.ConcurrentResourceQuotaSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) // If apiserver is not running we should wait for some time and fail only then. This is particularly // important when we start apiserver and controller manager at the same time. var versionStrings []string err = wait.PollImmediate(time.Second, 10*time.Second, func() (bool, error) { if versionStrings, err = restclient.ServerAPIVersions(kubeconfig); err == nil { return true, nil } glog.Errorf("Failed to get api versions from server: %v", err) return false, nil }) if err != nil { glog.Fatalf("Failed to get api versions from server: %v", err) } versions := &unversioned.APIVersions{Versions: versionStrings} resourceMap, err := kubeClient.Discovery().ServerResources() if err != nil { glog.Fatalf("Failed to get supported resources from server: %v", err) } // Find the list of namespaced resources via discovery that the namespace controller must manage namespaceKubeClient := clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "namespace-controller")) namespaceClientPool := dynamic.NewClientPool(restclient.AddUserAgent(kubeconfig, "namespace-controller"), dynamic.LegacyAPIPathResolverFunc) groupVersionResources, err := namespaceKubeClient.Discovery().ServerPreferredNamespacedResources() if err != nil { glog.Fatalf("Failed to get supported resources from server: %v", err) } namespaceController := namespacecontroller.NewNamespaceController(namespaceKubeClient, namespaceClientPool, groupVersionResources, s.NamespaceSyncPeriod.Duration, api.FinalizerKubernetes) go namespaceController.Run(int(s.ConcurrentNamespaceSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) groupVersion := "extensions/v1beta1" resources, found := resourceMap[groupVersion] // TODO: this needs to be dynamic so users don't have to restart their controller manager if they change the apiserver if containsVersion(versions, groupVersion) && found { glog.Infof("Starting %s apis", groupVersion) if containsResource(resources, "horizontalpodautoscalers") { glog.Infof("Starting horizontal pod controller.") hpaClient := clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "horizontal-pod-autoscaler")) metricsClient := metrics.NewHeapsterMetricsClient( hpaClient, metrics.DefaultHeapsterNamespace, metrics.DefaultHeapsterScheme, metrics.DefaultHeapsterService, metrics.DefaultHeapsterPort, ) go podautoscaler.NewHorizontalController(hpaClient.Core(), hpaClient.Extensions(), hpaClient, metricsClient, s.HorizontalPodAutoscalerSyncPeriod.Duration). Run(wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if containsResource(resources, "daemonsets") { glog.Infof("Starting daemon set controller") go daemon.NewDaemonSetsController(podInformer, clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "daemon-set-controller")), ResyncPeriod(s), int(s.LookupCacheSizeForDaemonSet)). Run(int(s.ConcurrentDaemonSetSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if containsResource(resources, "jobs") { glog.Infof("Starting job controller") go job.NewJobController(podInformer, clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "job-controller"))). Run(int(s.ConcurrentJobSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if containsResource(resources, "deployments") { glog.Infof("Starting deployment controller") go deployment.NewDeploymentController(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "deployment-controller")), ResyncPeriod(s)). Run(int(s.ConcurrentDeploymentSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } if containsResource(resources, "replicasets") { glog.Infof("Starting ReplicaSet controller") go replicaset.NewReplicaSetController(clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "replicaset-controller")), ResyncPeriod(s), replicaset.BurstReplicas, int(s.LookupCacheSizeForRS)). Run(int(s.ConcurrentRSSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } groupVersion = "apps/v1alpha1" resources, found = resourceMap[groupVersion] glog.Infof("Attempting to start petset, full resource map %+v", resourceMap) if containsVersion(versions, groupVersion) && found { glog.Infof("Starting %s apis", groupVersion) if containsResource(resources, "petsets") { glog.Infof("Starting PetSet controller") resyncPeriod := ResyncPeriod(s)() go petset.NewPetSetController( podInformer, // TODO: Switch to using clientset kubeClient, resyncPeriod, ).Run(1, wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } provisioner, err := NewVolumeProvisioner(cloud, s.VolumeConfiguration) if err != nil { glog.Fatal("A Provisioner could not be created, but one was expected. Provisioning will not work. This functionality is considered an early Alpha version.") } volumeController := persistentvolumecontroller.NewPersistentVolumeController( clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "persistent-volume-binder")), s.PVClaimBinderSyncPeriod.Duration, provisioner, ProbeRecyclableVolumePlugins(s.VolumeConfiguration), cloud, s.ClusterName, nil, nil, nil, ) volumeController.Run() time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) attachDetachController, attachDetachControllerErr := volume.NewAttachDetachController( clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "attachdetach-controller")), podInformer, nodeInformer, pvcInformer, pvInformer, cloud, ProbeAttachableVolumePlugins(s.VolumeConfiguration)) if attachDetachControllerErr != nil { glog.Fatalf("Failed to start attach/detach controller: %v", attachDetachControllerErr) } else { go attachDetachController.Run(wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } var rootCA []byte if s.RootCAFile != "" { rootCA, err = ioutil.ReadFile(s.RootCAFile) if err != nil { return fmt.Errorf("error reading root-ca-file at %s: %v", s.RootCAFile, err) } if _, err := crypto.CertsFromPEM(rootCA); err != nil { return fmt.Errorf("error parsing root-ca-file at %s: %v", s.RootCAFile, err) } } else { rootCA = kubeconfig.CAData } if len(s.ServiceAccountKeyFile) > 0 { privateKey, err := serviceaccount.ReadPrivateKey(s.ServiceAccountKeyFile) if err != nil { glog.Errorf("Error reading key for service account token controller: %v", err) } else { serviceaccountcontroller.NewTokensController( clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "tokens-controller")), serviceaccountcontroller.TokensControllerOptions{ TokenGenerator: serviceaccount.JWTTokenGenerator(privateKey), RootCA: rootCA, }, ).Run() time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } serviceaccountcontroller.NewServiceAccountsController( clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "service-account-controller")), serviceaccountcontroller.DefaultServiceAccountsControllerOptions(), ).Run() time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) if s.EnableGarbageCollector { gcClientset := clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "generic-garbage-collector")) groupVersionResources, err := gcClientset.Discovery().ServerPreferredResources() if err != nil { glog.Fatalf("Failed to get supported resources from server: %v", err) } clientPool := dynamic.NewClientPool(restclient.AddUserAgent(kubeconfig, "generic-garbage-collector"), dynamic.LegacyAPIPathResolverFunc) garbageCollector, err := garbagecollector.NewGarbageCollector(clientPool, groupVersionResources) if err != nil { glog.Errorf("Failed to start the generic garbage collector") } else { // TODO: make this a flag of kube-controller-manager workers := 5 go garbageCollector.Run(workers, wait.NeverStop) } } // run the shared informers for _, informer := range informers { go informer.Run(wait.NeverStop) } select {} }
func StartControllers(s *options.CMServer, kubeClient *client.Client, kubeconfig *client.Config, stop <-chan struct{}) error { go endpointcontroller.NewEndpointController(clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "endpoint-controller")), ResyncPeriod(s)). Run(s.ConcurrentEndpointSyncs, wait.NeverStop) go replicationcontroller.NewReplicationManager( clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "replication-controller")), ResyncPeriod(s), replicationcontroller.BurstReplicas, s.LookupCacheSizeForRC, ).Run(s.ConcurrentRCSyncs, wait.NeverStop) if s.TerminatedPodGCThreshold > 0 { go gc.New(clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "garbage-collector")), ResyncPeriod(s), s.TerminatedPodGCThreshold). Run(wait.NeverStop) } cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile) if err != nil { glog.Fatalf("Cloud provider could not be initialized: %v", err) } // this cidr has been validated already _, clusterCIDR, _ := net.ParseCIDR(s.ClusterCIDR) nodeController := nodecontroller.NewNodeController(cloud, clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "node-controller")), s.PodEvictionTimeout.Duration, util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), s.NodeMonitorGracePeriod.Duration, s.NodeStartupGracePeriod.Duration, s.NodeMonitorPeriod.Duration, clusterCIDR, s.AllocateNodeCIDRs) nodeController.Run(s.NodeSyncPeriod.Duration) serviceController := servicecontroller.New(cloud, clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "service-controller")), s.ClusterName) if err := serviceController.Run(s.ServiceSyncPeriod.Duration, s.NodeSyncPeriod.Duration); err != nil { glog.Errorf("Failed to start service controller: %v", err) } if s.AllocateNodeCIDRs { if cloud == nil { glog.Warning("allocate-node-cidrs is set, but no cloud provider specified. Will not manage routes.") } else if routes, ok := cloud.Routes(); !ok { glog.Warning("allocate-node-cidrs is set, but cloud provider does not support routes. Will not manage routes.") } else { routeController := routecontroller.New(routes, clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "route-controller")), s.ClusterName, clusterCIDR) routeController.Run(s.NodeSyncPeriod.Duration) } } else { glog.Infof("allocate-node-cidrs set to %v, node controller not creating routes", s.AllocateNodeCIDRs) } go resourcequotacontroller.NewResourceQuotaController( clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "resourcequota-controller")), controller.StaticResyncPeriodFunc(s.ResourceQuotaSyncPeriod.Duration)).Run(s.ConcurrentResourceQuotaSyncs, wait.NeverStop) // If apiserver is not running we should wait for some time and fail only then. This is particularly // important when we start apiserver and controller manager at the same time. var versionStrings []string err = wait.PollImmediate(time.Second, 10*time.Second, func() (bool, error) { if versionStrings, err = client.ServerAPIVersions(kubeconfig); err == nil { return true, nil } glog.Errorf("Failed to get api versions from server: %v", err) return false, nil }) if err != nil { glog.Fatalf("Failed to get api versions from server: %v", err) } versions := &unversioned.APIVersions{Versions: versionStrings} resourceMap, err := kubeClient.Discovery().ServerResources() if err != nil { glog.Fatalf("Failed to get supported resources from server: %v", err) } namespaceController := namespacecontroller.NewNamespaceController(clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "namespace-controller")), versions, s.NamespaceSyncPeriod.Duration) go namespaceController.Run(s.ConcurrentNamespaceSyncs, wait.NeverStop) groupVersion := "extensions/v1beta1" resources, found := resourceMap[groupVersion] // TODO: this needs to be dynamic so users don't have to restart their controller manager if they change the apiserver if containsVersion(versions, groupVersion) && found { glog.Infof("Starting %s apis", groupVersion) if containsResource(resources, "horizontalpodautoscalers") { glog.Infof("Starting horizontal pod controller.") hpaClient := clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "horizontal-pod-autoscaler")) metricsClient := metrics.NewHeapsterMetricsClient( hpaClient, metrics.DefaultHeapsterNamespace, metrics.DefaultHeapsterScheme, metrics.DefaultHeapsterService, metrics.DefaultHeapsterPort, ) podautoscaler.NewHorizontalController(hpaClient.Core(), hpaClient.Extensions(), hpaClient, metricsClient). Run(s.HorizontalPodAutoscalerSyncPeriod.Duration) } if containsResource(resources, "daemonsets") { glog.Infof("Starting daemon set controller") go daemon.NewDaemonSetsController(clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "daemon-set-controller")), ResyncPeriod(s)). Run(s.ConcurrentDaemonSetSyncs, wait.NeverStop) } if containsResource(resources, "jobs") { glog.Infof("Starting job controller") go job.NewJobController(clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "job-controller")), ResyncPeriod(s)). Run(s.ConcurrentJobSyncs, wait.NeverStop) } if containsResource(resources, "deployments") { glog.Infof("Starting deployment controller") go deployment.NewDeploymentController(clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "deployment-controller")), ResyncPeriod(s)). Run(s.ConcurrentDeploymentSyncs, wait.NeverStop) } if containsResource(resources, "replicasets") { glog.Infof("Starting ReplicaSet controller") go replicaset.NewReplicaSetController(clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "replicaset-controller")), ResyncPeriod(s), replicaset.BurstReplicas, s.LookupCacheSizeForRS). Run(s.ConcurrentRSSyncs, wait.NeverStop) } } volumePlugins := ProbeRecyclableVolumePlugins(s.VolumeConfiguration) provisioner, err := NewVolumeProvisioner(cloud, s.VolumeConfiguration) if err != nil { glog.Fatal("A Provisioner could not be created, but one was expected. Provisioning will not work. This functionality is considered an early Alpha version.") } pvclaimBinder := persistentvolumecontroller.NewPersistentVolumeClaimBinder(clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "persistent-volume-binder")), s.PVClaimBinderSyncPeriod.Duration) pvclaimBinder.Run() pvRecycler, err := persistentvolumecontroller.NewPersistentVolumeRecycler( clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "persistent-volume-recycler")), s.PVClaimBinderSyncPeriod.Duration, s.VolumeConfiguration.PersistentVolumeRecyclerConfiguration.MaximumRetry, ProbeRecyclableVolumePlugins(s.VolumeConfiguration), cloud, ) if err != nil { glog.Fatalf("Failed to start persistent volume recycler: %+v", err) } pvRecycler.Run() if provisioner != nil { pvController, err := persistentvolumecontroller.NewPersistentVolumeProvisionerController(persistentvolumecontroller.NewControllerClient(clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "persistent-volume-provisioner"))), s.PVClaimBinderSyncPeriod.Duration, s.ClusterName, volumePlugins, provisioner, cloud) if err != nil { glog.Fatalf("Failed to start persistent volume provisioner controller: %+v", err) } pvController.Run() } var rootCA []byte if s.RootCAFile != "" { rootCA, err = ioutil.ReadFile(s.RootCAFile) if err != nil { return fmt.Errorf("error reading root-ca-file at %s: %v", s.RootCAFile, err) } if _, err := util.CertsFromPEM(rootCA); err != nil { return fmt.Errorf("error parsing root-ca-file at %s: %v", s.RootCAFile, err) } } else { rootCA = kubeconfig.CAData } if len(s.ServiceAccountKeyFile) > 0 { privateKey, err := serviceaccount.ReadPrivateKey(s.ServiceAccountKeyFile) if err != nil { glog.Errorf("Error reading key for service account token controller: %v", err) } else { serviceaccountcontroller.NewTokensController( clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "tokens-controller")), serviceaccountcontroller.TokensControllerOptions{ TokenGenerator: serviceaccount.JWTTokenGenerator(privateKey), RootCA: rootCA, }, ).Run() } } serviceaccountcontroller.NewServiceAccountsController( clientset.NewForConfigOrDie(client.AddUserAgent(kubeconfig, "service-account-controller")), serviceaccountcontroller.DefaultServiceAccountsControllerOptions(), ).Run() select {} }
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 }
func StartControllers(controllers map[string]InitFunc, s *options.CMServer, rootClientBuilder, clientBuilder controller.ControllerClientBuilder, stop <-chan struct{}) error { sharedInformers := informers.NewSharedInformerFactory(rootClientBuilder.ClientOrDie("shared-informers"), nil, ResyncPeriod(s)()) // always start the SA token controller first using a full-power client, since it needs to mint tokens for the rest if len(s.ServiceAccountKeyFile) > 0 { privateKey, err := serviceaccount.ReadPrivateKey(s.ServiceAccountKeyFile) if err != nil { return fmt.Errorf("error reading key for service account token controller: %v", err) } else { var rootCA []byte if s.RootCAFile != "" { rootCA, err = ioutil.ReadFile(s.RootCAFile) if err != nil { return fmt.Errorf("error reading root-ca-file at %s: %v", s.RootCAFile, err) } if _, err := certutil.ParseCertsPEM(rootCA); err != nil { return fmt.Errorf("error parsing root-ca-file at %s: %v", s.RootCAFile, err) } } else { rootCA = rootClientBuilder.ConfigOrDie("tokens-controller").CAData } go serviceaccountcontroller.NewTokensController( rootClientBuilder.ClientOrDie("tokens-controller"), serviceaccountcontroller.TokensControllerOptions{ TokenGenerator: serviceaccount.JWTTokenGenerator(privateKey), RootCA: rootCA, }, ).Run(int(s.ConcurrentSATokenSyncs), stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } availableResources, err := getAvailableResources(clientBuilder) if err != nil { return err } ctx := ControllerContext{ ClientBuilder: clientBuilder, InformerFactory: sharedInformers, Options: *s, AvailableResources: availableResources, Stop: stop, } for controllerName, initFn := range controllers { if !ctx.IsControllerEnabled(controllerName) { glog.Warningf("%q is disabled", controllerName) continue } time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) glog.V(1).Infof("Starting %q", controllerName) started, err := initFn(ctx) if err != nil { glog.Errorf("Error starting %q", controllerName) return err } if !started { glog.Warningf("Skipping %q", controllerName) continue } glog.Infof("Started %q", controllerName) } cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile) if err != nil { return fmt.Errorf("cloud provider could not be initialized: %v", err) } _, clusterCIDR, err := net.ParseCIDR(s.ClusterCIDR) if err != nil { glog.Warningf("Unsuccessful parsing of cluster CIDR %v: %v", s.ClusterCIDR, err) } _, serviceCIDR, err := net.ParseCIDR(s.ServiceCIDR) if err != nil { glog.Warningf("Unsuccessful parsing of service CIDR %v: %v", s.ServiceCIDR, err) } nodeController, err := nodecontroller.NewNodeController( sharedInformers.Pods(), sharedInformers.Nodes(), sharedInformers.DaemonSets(), cloud, clientBuilder.ClientOrDie("node-controller"), s.PodEvictionTimeout.Duration, s.NodeEvictionRate, s.SecondaryNodeEvictionRate, s.LargeClusterSizeThreshold, s.UnhealthyZoneThreshold, s.NodeMonitorGracePeriod.Duration, s.NodeStartupGracePeriod.Duration, s.NodeMonitorPeriod.Duration, clusterCIDR, serviceCIDR, int(s.NodeCIDRMaskSize), s.AllocateNodeCIDRs) if err != nil { return fmt.Errorf("failed to initialize nodecontroller: %v", err) } nodeController.Run() time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) serviceController, err := servicecontroller.New(cloud, clientBuilder.ClientOrDie("service-controller"), s.ClusterName) if err != nil { glog.Errorf("Failed to start service controller: %v", err) } else { serviceController.Run(int(s.ConcurrentServiceSyncs)) } time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) if s.AllocateNodeCIDRs && s.ConfigureCloudRoutes { if cloud == nil { glog.Warning("configure-cloud-routes is set, but no cloud provider specified. Will not configure cloud provider routes.") } else if routes, ok := cloud.Routes(); !ok { glog.Warning("configure-cloud-routes is set, but cloud provider does not support routes. Will not configure cloud provider routes.") } else { routeController := routecontroller.New(routes, clientBuilder.ClientOrDie("route-controller"), s.ClusterName, clusterCIDR) routeController.Run(s.RouteReconciliationPeriod.Duration) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } else { glog.Infof("Will not configure cloud provider routes for allocate-node-cidrs: %v, configure-cloud-routes: %v.", s.AllocateNodeCIDRs, s.ConfigureCloudRoutes) } alphaProvisioner, err := NewAlphaVolumeProvisioner(cloud, s.VolumeConfiguration) if err != nil { return fmt.Errorf("an backward-compatible provisioner could not be created: %v, but one was expected. Provisioning will not work. This functionality is considered an early Alpha version.", err) } params := persistentvolumecontroller.ControllerParameters{ KubeClient: clientBuilder.ClientOrDie("persistent-volume-binder"), SyncPeriod: s.PVClaimBinderSyncPeriod.Duration, AlphaProvisioner: alphaProvisioner, VolumePlugins: ProbeControllerVolumePlugins(cloud, s.VolumeConfiguration), Cloud: cloud, ClusterName: s.ClusterName, EnableDynamicProvisioning: s.VolumeConfiguration.EnableDynamicProvisioning, } volumeController := persistentvolumecontroller.NewController(params) go volumeController.Run(stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) if s.ReconcilerSyncLoopPeriod.Duration < time.Second { return fmt.Errorf("Duration time must be greater than one second as set via command line option reconcile-sync-loop-period.") } attachDetachController, attachDetachControllerErr := attachdetach.NewAttachDetachController( clientBuilder.ClientOrDie("attachdetach-controller"), sharedInformers.Pods().Informer(), sharedInformers.Nodes().Informer(), sharedInformers.PersistentVolumeClaims().Informer(), sharedInformers.PersistentVolumes().Informer(), cloud, ProbeAttachableVolumePlugins(s.VolumeConfiguration), s.DisableAttachDetachReconcilerSync, s.ReconcilerSyncLoopPeriod.Duration, ) if attachDetachControllerErr != nil { return fmt.Errorf("failed to start attach/detach controller: %v", attachDetachControllerErr) } go attachDetachController.Run(stop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) sharedInformers.Start(stop) select {} }
func (s *CMServer) 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 } kubeconfig.QPS = 20.0 kubeconfig.Burst = 30 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 { profile.InstallHandler(mux) } mux.Handle("/metrics", prometheus.Handler()) server := &http.Server{ Addr: net.JoinHostPort(s.Address.String(), strconv.Itoa(s.Port)), Handler: mux, } glog.Fatal(server.ListenAndServe()) }() endpoints := s.createEndpointController(kubeClient) go endpoints.Run(s.ConcurrentEndpointSyncs, util.NeverStop) go replicationcontroller.NewReplicationManager(kubeClient, s.resyncPeriod, replicationcontroller.BurstReplicas). Run(s.ConcurrentRCSyncs, util.NeverStop) go daemon.NewDaemonSetsController(kubeClient, s.resyncPeriod). Run(s.ConcurrentDSCSyncs, util.NeverStop) //TODO(jdef) should eventually support more cloud providers here if s.CloudProvider != mesos.ProviderName { glog.Fatalf("Only provider %v is supported, you specified %v", mesos.ProviderName, s.CloudProvider) } cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile) if err != nil { glog.Fatalf("Cloud provider could not be initialized: %v", err) } nodeController := nodecontroller.NewNodeController(cloud, kubeClient, s.PodEvictionTimeout, util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), s.NodeMonitorGracePeriod, s.NodeStartupGracePeriod, s.NodeMonitorPeriod, (*net.IPNet)(&s.ClusterCIDR), s.AllocateNodeCIDRs) nodeController.Run(s.NodeSyncPeriod) nodeStatusUpdaterController := node.NewStatusUpdater(kubeClient, s.NodeMonitorPeriod, time.Now) if err := nodeStatusUpdaterController.Run(util.NeverStop); err != nil { glog.Fatalf("Failed to start node status update controller: %v", err) } serviceController := servicecontroller.New(cloud, kubeClient, s.ClusterName) if err := serviceController.Run(s.ServiceSyncPeriod, s.NodeSyncPeriod); err != nil { glog.Errorf("Failed to start service controller: %v", err) } if s.AllocateNodeCIDRs { routes, ok := cloud.Routes() if !ok { glog.Fatal("Cloud provider must support routes if allocate-node-cidrs is set") } routeController := routecontroller.New(routes, kubeClient, s.ClusterName, (*net.IPNet)(&s.ClusterCIDR)) routeController.Run(s.NodeSyncPeriod) } resourceQuotaController := resourcequotacontroller.NewResourceQuotaController(kubeClient) resourceQuotaController.Run(s.ResourceQuotaSyncPeriod) namespaceController := namespacecontroller.NewNamespaceController(kubeClient, &unversioned.APIVersions{}, s.NamespaceSyncPeriod) namespaceController.Run() pvclaimBinder := persistentvolumecontroller.NewPersistentVolumeClaimBinder(kubeClient, s.PVClaimBinderSyncPeriod) pvclaimBinder.Run() pvRecycler, err := persistentvolumecontroller.NewPersistentVolumeRecycler(kubeClient, s.PVClaimBinderSyncPeriod, app.ProbeRecyclableVolumePlugins(s.VolumeConfigFlags)) if err != nil { glog.Fatalf("Failed to start persistent volume recycler: %+v", err) } pvRecycler.Run() var rootCA []byte if s.RootCAFile != "" { rootCA, err = ioutil.ReadFile(s.RootCAFile) if err != nil { return fmt.Errorf("error reading root-ca-file at %s: %v", s.RootCAFile, err) } if _, err := util.CertsFromPEM(rootCA); err != nil { return fmt.Errorf("error parsing root-ca-file at %s: %v", s.RootCAFile, err) } } else { rootCA = kubeconfig.CAData } if len(s.ServiceAccountKeyFile) > 0 { privateKey, err := serviceaccount.ReadPrivateKey(s.ServiceAccountKeyFile) if err != nil { glog.Errorf("Error reading key for service account token controller: %v", err) } else { serviceaccount.NewTokensController( kubeClient, serviceaccount.TokensControllerOptions{ TokenGenerator: serviceaccount.JWTTokenGenerator(privateKey), RootCA: rootCA, }, ).Run() } } serviceaccount.NewServiceAccountsController( kubeClient, serviceaccount.DefaultServiceAccountsControllerOptions(), ).Run() select {} }
// Run runs the CMServer. This should never exit. func Run(s *options.CMServer) 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()) }() go endpointcontroller.NewEndpointController(clientForUserAgentOrDie(*kubeconfig, "endpoint-controller"), ResyncPeriod(s)). Run(s.ConcurrentEndpointSyncs, util.NeverStop) go replicationcontroller.NewReplicationManager( clientForUserAgentOrDie(*kubeconfig, "replication-controller"), ResyncPeriod(s), replicationcontroller.BurstReplicas, ).Run(s.ConcurrentRCSyncs, util.NeverStop) if s.TerminatedPodGCThreshold > 0 { go gc.New(clientForUserAgentOrDie(*kubeconfig, "garbage-collector"), ResyncPeriod(s), s.TerminatedPodGCThreshold). Run(util.NeverStop) } cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile) if err != nil { glog.Fatalf("Cloud provider could not be initialized: %v", err) } ProbeNetworkProviders() networkProvider, err := networkprovider.InitNetworkProvider(s.NetworkProvider) if err != nil { glog.Errorf("Network provider could not be initialized: %v", err) } if networkProvider != nil { networkController := networkcontroller.NewNetworkController(kubeClient, networkProvider) go networkController.Run(util.NeverStop) } else { glog.Errorf("NetController should not be run without a networkprovider.") } nodeController := nodecontroller.NewNodeController(cloud, clientForUserAgentOrDie(*kubeconfig, "node-controller"), s.PodEvictionTimeout, util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), s.NodeMonitorGracePeriod, s.NodeStartupGracePeriod, s.NodeMonitorPeriod, &s.ClusterCIDR, s.AllocateNodeCIDRs) nodeController.Run(s.NodeSyncPeriod) serviceController := servicecontroller.New(cloud, clientForUserAgentOrDie(*kubeconfig, "service-controller"), s.ClusterName) if err := serviceController.Run(s.ServiceSyncPeriod, s.NodeSyncPeriod); err != nil { glog.Errorf("Failed to start service controller: %v", err) } if s.AllocateNodeCIDRs { if cloud == nil { glog.Warning("allocate-node-cidrs is set, but no cloud provider specified. Will not manage routes.") } else if routes, ok := cloud.Routes(); !ok { glog.Warning("allocate-node-cidrs is set, but cloud provider does not support routes. Will not manage routes.") } else { routeController := routecontroller.New(routes, clientForUserAgentOrDie(*kubeconfig, "route-controller"), s.ClusterName, &s.ClusterCIDR) routeController.Run(s.NodeSyncPeriod) } } else { glog.Infof("allocate-node-cidrs set to %v, node controller not creating routes", s.AllocateNodeCIDRs) } go resourcequotacontroller.NewResourceQuotaController( clientForUserAgentOrDie(*kubeconfig, "resourcequota-controller"), controller.StaticResyncPeriodFunc(s.ResourceQuotaSyncPeriod)).Run(s.ConcurrentResourceQuotaSyncs, util.NeverStop) // If apiserver is not running we should wait for some time and fail only then. This is particularly // important when we start apiserver and controller manager at the same time. var versionStrings []string err = wait.PollImmediate(time.Second, 10*time.Second, func() (bool, error) { if versionStrings, err = client.ServerAPIVersions(kubeconfig); err == nil { return true, nil } glog.Errorf("Failed to get api versions from server: %v", err) return false, nil }) if err != nil { glog.Fatalf("Failed to get api versions from server: %v", err) } versions := &unversioned.APIVersions{Versions: versionStrings} resourceMap, err := kubeClient.Discovery().ServerResources() if err != nil { glog.Fatalf("Failed to get supported resources from server: %v", err) } namespacecontroller.NewNamespaceController(clientForUserAgentOrDie(*kubeconfig, "namespace-controller"), versions, s.NamespaceSyncPeriod).Run() groupVersion := "extensions/v1beta1" resources, found := resourceMap[groupVersion] // TODO: this needs to be dynamic so users don't have to restart their controller manager if they change the apiserver if containsVersion(versions, groupVersion) && found { glog.Infof("Starting %s apis", groupVersion) if containsResource(resources, "horizontalpodautoscalers") { glog.Infof("Starting horizontal pod controller.") hpaClient := clientForUserAgentOrDie(*kubeconfig, "horizontal-pod-autoscaler") metricsClient := metrics.NewHeapsterMetricsClient( hpaClient, metrics.DefaultHeapsterNamespace, metrics.DefaultHeapsterScheme, metrics.DefaultHeapsterService, metrics.DefaultHeapsterPort, ) podautoscaler.NewHorizontalController(hpaClient, hpaClient, hpaClient, metricsClient). Run(s.HorizontalPodAutoscalerSyncPeriod) } if containsResource(resources, "daemonsets") { glog.Infof("Starting daemon set controller") go daemon.NewDaemonSetsController(clientForUserAgentOrDie(*kubeconfig, "daemon-set-controller"), ResyncPeriod(s)). Run(s.ConcurrentDSCSyncs, util.NeverStop) } if containsResource(resources, "jobs") { glog.Infof("Starting job controller") go job.NewJobController(clientForUserAgentOrDie(*kubeconfig, "job-controller"), ResyncPeriod(s)). Run(s.ConcurrentJobSyncs, util.NeverStop) } if containsResource(resources, "deployments") { glog.Infof("Starting deployment controller") go deployment.NewDeploymentController(clientForUserAgentOrDie(*kubeconfig, "deployment-controller"), ResyncPeriod(s)). Run(s.ConcurrentDeploymentSyncs, util.NeverStop) } } volumePlugins := ProbeRecyclableVolumePlugins(s.VolumeConfigFlags) provisioner, err := NewVolumeProvisioner(cloud, s.VolumeConfigFlags) if err != nil { glog.Fatal("A Provisioner could not be created, but one was expected. Provisioning will not work. This functionality is considered an early Alpha version.") } pvclaimBinder := persistentvolumecontroller.NewPersistentVolumeClaimBinder(clientForUserAgentOrDie(*kubeconfig, "persistent-volume-binder"), s.PVClaimBinderSyncPeriod) pvclaimBinder.Run() pvRecycler, err := persistentvolumecontroller.NewPersistentVolumeRecycler(clientForUserAgentOrDie(*kubeconfig, "persistent-volume-recycler"), s.PVClaimBinderSyncPeriod, ProbeRecyclableVolumePlugins(s.VolumeConfigFlags), cloud) if err != nil { glog.Fatalf("Failed to start persistent volume recycler: %+v", err) } pvRecycler.Run() if provisioner != nil { pvController, err := persistentvolumecontroller.NewPersistentVolumeProvisionerController(persistentvolumecontroller.NewControllerClient(clientForUserAgentOrDie(*kubeconfig, "persistent-volume-provisioner")), s.PVClaimBinderSyncPeriod, volumePlugins, provisioner, cloud) if err != nil { glog.Fatalf("Failed to start persistent volume provisioner controller: %+v", err) } pvController.Run() } var rootCA []byte if s.RootCAFile != "" { rootCA, err = ioutil.ReadFile(s.RootCAFile) if err != nil { return fmt.Errorf("error reading root-ca-file at %s: %v", s.RootCAFile, err) } if _, err := util.CertsFromPEM(rootCA); err != nil { return fmt.Errorf("error parsing root-ca-file at %s: %v", s.RootCAFile, err) } } else { rootCA = kubeconfig.CAData } if len(s.ServiceAccountKeyFile) > 0 { privateKey, err := serviceaccount.ReadPrivateKey(s.ServiceAccountKeyFile) if err != nil { glog.Errorf("Error reading key for service account token controller: %v", err) } else { serviceaccountcontroller.NewTokensController( clientForUserAgentOrDie(*kubeconfig, "tokens-controller"), serviceaccountcontroller.TokensControllerOptions{ TokenGenerator: serviceaccount.JWTTokenGenerator(privateKey), RootCA: rootCA, }, ).Run() } } serviceaccountcontroller.NewServiceAccountsController( clientForUserAgentOrDie(*kubeconfig, "service-account-controller"), serviceaccountcontroller.DefaultServiceAccountsControllerOptions(), ).Run() select {} }
// Run runs the CMServer. This should never exit. func (s *CMServer) 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()) }() go endpointcontroller.NewEndpointController(kubeClient, s.ResyncPeriod). Run(s.ConcurrentEndpointSyncs, util.NeverStop) go replicationcontroller.NewReplicationManager(kubeClient, s.ResyncPeriod, replicationcontroller.BurstReplicas). Run(s.ConcurrentRCSyncs, util.NeverStop) if s.TerminatedPodGCThreshold > 0 { go gc.New(kubeClient, s.ResyncPeriod, s.TerminatedPodGCThreshold). Run(util.NeverStop) } cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile) if err != nil { glog.Fatalf("Cloud provider could not be initialized: %v", err) } nodeController := nodecontroller.NewNodeController(cloud, kubeClient, s.PodEvictionTimeout, util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst), s.NodeMonitorGracePeriod, s.NodeStartupGracePeriod, s.NodeMonitorPeriod, &s.ClusterCIDR, s.AllocateNodeCIDRs) nodeController.Run(s.NodeSyncPeriod) serviceController := servicecontroller.New(cloud, kubeClient, s.ClusterName) if err := serviceController.Run(s.ServiceSyncPeriod, s.NodeSyncPeriod); err != nil { glog.Errorf("Failed to start service controller: %v", err) } if s.AllocateNodeCIDRs { if cloud == nil { glog.Warning("allocate-node-cidrs is set, but no cloud provider specified. Will not manage routes.") } else if routes, ok := cloud.Routes(); !ok { glog.Warning("allocate-node-cidrs is set, but cloud provider does not support routes. Will not manage routes.") } else { routeController := routecontroller.New(routes, kubeClient, s.ClusterName, &s.ClusterCIDR) routeController.Run(s.NodeSyncPeriod) } } resourcequotacontroller.NewResourceQuotaController(kubeClient).Run(s.ResourceQuotaSyncPeriod) namespacecontroller.NewNamespaceController(kubeClient, s.EnableExperimental, s.NamespaceSyncPeriod).Run() if s.EnableExperimental { go daemon.NewDaemonSetsController(kubeClient, s.ResyncPeriod). Run(s.ConcurrentDSCSyncs, util.NeverStop) go job.NewJobController(kubeClient, s.ResyncPeriod). Run(s.ConcurrentJobSyncs, util.NeverStop) podautoscaler.NewHorizontalController(kubeClient, metrics.NewHeapsterMetricsClient(kubeClient)). Run(s.HorizontalPodAutoscalerSyncPeriod) deployment.New(kubeClient). Run(s.DeploymentControllerSyncPeriod) } pvclaimBinder := persistentvolumecontroller.NewPersistentVolumeClaimBinder(kubeClient, s.PVClaimBinderSyncPeriod) pvclaimBinder.Run() pvRecycler, err := persistentvolumecontroller.NewPersistentVolumeRecycler(kubeClient, s.PVClaimBinderSyncPeriod, ProbeRecyclableVolumePlugins(s.VolumeConfigFlags)) if err != nil { glog.Fatalf("Failed to start persistent volume recycler: %+v", err) } pvRecycler.Run() var rootCA []byte if s.RootCAFile != "" { rootCA, err = ioutil.ReadFile(s.RootCAFile) if err != nil { return fmt.Errorf("error reading root-ca-file at %s: %v", s.RootCAFile, err) } if _, err := util.CertsFromPEM(rootCA); err != nil { return fmt.Errorf("error parsing root-ca-file at %s: %v", s.RootCAFile, err) } } else { rootCA = kubeconfig.CAData } if len(s.ServiceAccountKeyFile) > 0 { privateKey, err := serviceaccount.ReadPrivateKey(s.ServiceAccountKeyFile) if err != nil { glog.Errorf("Error reading key for service account token controller: %v", err) } else { serviceaccount.NewTokensController( kubeClient, serviceaccount.TokensControllerOptions{ TokenGenerator: serviceaccount.JWTTokenGenerator(privateKey), RootCA: rootCA, }, ).Run() } } serviceaccount.NewServiceAccountsController( kubeClient, serviceaccount.DefaultServiceAccountsControllerOptions(), ).Run() select {} }