func startStatefulSetController(ctx ControllerContext) (bool, error) { if !ctx.AvailableResources[schema.GroupVersionResource{Group: "apps", Version: "v1beta1", Resource: "statefulsets"}] { return false, nil } resyncPeriod := ResyncPeriod(&ctx.Options)() go petset.NewStatefulSetController( ctx.InformerFactory.Pods().Informer(), ctx.ClientBuilder.ClientOrDie("statefulset-controller"), resyncPeriod, ).Run(1, ctx.Stop) return true, nil }
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"), 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 = 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)) 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, sharedInformers) groupKindsToReplenish := []schema.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, 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) // TODO: consider using a list-watch + cache here rather than polling var gvrFn func() ([]schema.GroupVersionResource, error) rsrcs, err := namespaceKubeClient.Discovery().ServerResources() if err != nil { glog.Fatalf("Failed to get group version resources: %v", err) } for _, rsrcList := range rsrcs { for ix := range rsrcList.APIResources { rsrc := &rsrcList.APIResources[ix] if rsrc.Kind == "ThirdPartyResource" { gvrFn = namespaceKubeClient.Discovery().ServerPreferredNamespacedResources } } } if gvrFn == nil { gvr, err := namespaceKubeClient.Discovery().ServerPreferredNamespacedResources() if err != nil { glog.Fatalf("Failed to get resources: %v", err) } gvrFn = func() ([]schema.GroupVersionResource, error) { return gvr, nil } } namespaceController := namespacecontroller.NewNamespaceController(namespaceKubeClient, namespaceClientPool, gvrFn, s.NamespaceSyncPeriod.Duration, v1.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, "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(), sharedInformers.Jobs(), 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(sharedInformers.Deployments(), sharedInformers.ReplicaSets(), sharedInformers.Pods(), client("deployment-controller")). 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.ReplicaSets(), sharedInformers.Pods(), client("replicaset-controller"), replicaset.BurstReplicas, int(s.LookupCacheSizeForRS), s.EnableGarbageCollector). Run(int(s.ConcurrentRSSyncs), wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } groupVersion = "autoscaling/v1" resources, found = resourceMap[groupVersion] glog.Infof("Attempting to start horizontal pod autoscaler controller, full resource map %+v", resourceMap) 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, ) replicaCalc := podautoscaler.NewReplicaCalculator(metricsClient, hpaClient.Core()) go podautoscaler.NewHorizontalController(hpaClient.Core(), hpaClient.Extensions(), hpaClient.Autoscaling(), replicaCalc, s.HorizontalPodAutoscalerSyncPeriod.Duration). Run(wait.NeverStop) time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter)) } } groupVersion = "policy/v1beta1" 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/v1beta1" resources, found = resourceMap[groupVersion] glog.Infof("Attempting to start statefulset, full resource map %+v", resourceMap) if containsVersion(versions, groupVersion) && found { glog.Infof("Starting %s apis", groupVersion) if containsResource(resources, "statefulsets") { glog.Infof("Starting StatefulSet controller") resyncPeriod := ResyncPeriod(s)() go petset.NewStatefulSetController( sharedInformers.Pods().Informer(), client("statefulset-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, "cronjobs") { glog.Infof("Starting cronjob controller") // // TODO: this is a temp fix for allowing kubeClient list v2alpha1 sj, should switch to using clientset kubeconfig.ContentConfig.GroupVersion = &schema.GroupVersion{Group: batch.GroupName, Version: "v2alpha1"} go cronjob.NewCronJobController(client("cronjob-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)) } } go serviceaccountcontroller.NewServiceAccountsController( sharedInformers.ServiceAccounts(), sharedInformers.Namespaces(), client("service-account-controller"), serviceaccountcontroller.DefaultServiceAccountsControllerOptions(), ).Run(1, stop) 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 = dynamic.ContentConfig() 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 {} }
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 {} }