Ejemplo n.º 1
0
// startControllers launches the controllers
func startControllers(oc *origin.MasterConfig, kc *kubernetes.MasterConfig) error {
	if oc.Options.Controllers == configapi.ControllersDisabled {
		return nil
	}

	go func() {
		oc.ControllerPlugStart()
		// when a manual shutdown (DELETE /controllers) or lease lost occurs, the process should exit
		// this ensures no code is still running as a controller, and allows a process manager to reset
		// the controller to come back into a candidate state and compete for the lease
		oc.ControllerPlug.WaitForStop()
		glog.Fatalf("Controller shutdown requested")
	}()

	oc.ControllerPlug.WaitForStart()
	glog.Infof("Controllers starting (%s)", oc.Options.Controllers)

	// Start these first, because they provide credentials for other controllers' clients
	oc.RunServiceAccountsController()
	oc.RunServiceAccountTokensController()
	// used by admission controllers
	oc.RunServiceAccountPullSecretsControllers()
	oc.RunSecurityAllocationController()

	if kc != nil {
		_, _, rcClient, err := oc.GetServiceAccountClients(bootstrappolicy.InfraReplicationControllerServiceAccountName)
		if err != nil {
			glog.Fatalf("Could not get client for replication controller: %v", err)
		}
		_, _, jobClient, err := oc.GetServiceAccountClients(bootstrappolicy.InfraJobControllerServiceAccountName)
		if err != nil {
			glog.Fatalf("Could not get client for job controller: %v", err)
		}
		_, hpaOClient, hpaKClient, err := oc.GetServiceAccountClients(bootstrappolicy.InfraHPAControllerServiceAccountName)
		if err != nil {
			glog.Fatalf("Could not get client for HPA controller: %v", err)
		}

		_, _, recyclerClient, err := oc.GetServiceAccountClients(bootstrappolicy.InfraPersistentVolumeRecyclerControllerServiceAccountName)
		if err != nil {
			glog.Fatalf("Could not get client for persistent volume recycler controller: %v", err)
		}

		_, _, binderClient, err := oc.GetServiceAccountClients(bootstrappolicy.InfraPersistentVolumeBinderControllerServiceAccountName)
		if err != nil {
			glog.Fatalf("Could not get client for persistent volume binder controller: %v", err)
		}

		_, _, provisionerClient, err := oc.GetServiceAccountClients(bootstrappolicy.InfraPersistentVolumeProvisionerControllerServiceAccountName)
		if err != nil {
			glog.Fatalf("Could not get client for persistent volume provisioner controller: %v", err)
		}

		_, _, daemonSetClient, err := oc.GetServiceAccountClients(bootstrappolicy.InfraDaemonSetControllerServiceAccountName)
		if err != nil {
			glog.Fatalf("Could not get client for daemonset controller: %v", err)
		}

		_, _, gcClient, err := oc.GetServiceAccountClients(bootstrappolicy.InfraGCControllerServiceAccountName)
		if err != nil {
			glog.Fatalf("Could not get client for pod gc controller: %v", err)
		}

		namespaceControllerClientConfig, _, namespaceControllerKubeClient, err := oc.GetServiceAccountClients(bootstrappolicy.InfraNamespaceControllerServiceAccountName)
		if err != nil {
			glog.Fatalf("Could not get client for namespace controller: %v", err)
		}
		namespaceControllerClientSet := internalclientset.FromUnversionedClient(namespaceControllerKubeClient)
		namespaceControllerClientPool := dynamic.NewClientPool(namespaceControllerClientConfig, dynamic.LegacyAPIPathResolverFunc)

		// called by admission control
		kc.RunResourceQuotaManager()
		oc.RunResourceQuotaManager(kc.ControllerManager)

		// no special order
		kc.RunNodeController()
		kc.RunScheduler()
		kc.RunReplicationController(rcClient)

		extensionsEnabled := len(configapi.GetEnabledAPIVersionsForGroup(kc.Options, extensions.GroupName)) > 0

		// TODO: enable this check once the job controller can use the batch API if the extensions API is disabled
		// batchEnabled := len(configapi.GetEnabledAPIVersionsForGroup(kc.Options, batch.GroupName)) > 0
		if extensionsEnabled /*|| batchEnabled*/ {
			kc.RunJobController(jobClient)
		}
		// TODO: enable this check once the HPA controller can use the autoscaling API if the extensions API is disabled
		// autoscalingEnabled := len(configapi.GetEnabledAPIVersionsForGroup(kc.Options, autoscaling.GroupName)) > 0
		if extensionsEnabled /*|| autoscalingEnabled*/ {
			kc.RunHPAController(hpaOClient, hpaKClient, oc.Options.PolicyConfig.OpenShiftInfrastructureNamespace)
		}
		if extensionsEnabled {
			kc.RunDaemonSetsController(daemonSetClient)
		}

		kc.RunEndpointController()
		kc.RunNamespaceController(namespaceControllerClientSet, namespaceControllerClientPool)
		kc.RunPersistentVolumeClaimBinder(binderClient)
		kc.RunPersistentVolumeProvisioner(provisionerClient)
		kc.RunPersistentVolumeClaimRecycler(oc.ImageFor("recycler"), recyclerClient, oc.Options.PolicyConfig.OpenShiftInfrastructureNamespace)
		kc.RunGCController(gcClient)

		glog.Infof("Started Kubernetes Controllers")
	} else {
		oc.RunResourceQuotaManager(nil)
	}

	// no special order
	if configapi.IsBuildEnabled(&oc.Options) {
		oc.RunBuildController()
		oc.RunBuildPodController()
		oc.RunBuildConfigChangeController()
		oc.RunBuildImageChangeTriggerController()
	}

	oc.RunApplicationController()
	oc.RunServiceBrokerController()
	oc.RunBackingServiceController()
	oc.RunBackingServiceInstanceController()
	oc.RunDeploymentController()
	oc.RunDeployerPodController()
	oc.RunDeploymentConfigController()
	oc.RunDeploymentConfigChangeController()
	oc.RunDeploymentImageChangeTriggerController()
	oc.RunImageImportController()
	oc.RunOriginNamespaceController()
	oc.RunSDNController()

	glog.Infof("Started Origin Controllers")

	return nil
}