Golang garbagecollector.NewGarbageCollector函数代码示例

func setup(t *testing.T) (*garbagecollector.GarbageCollector, clientset.Interface) {
	var m *master.Master
	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
		m.Handler.ServeHTTP(w, req)
	}))
	// TODO: close the http server

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

	framework.DeleteAllEtcdKeys()
	clientSet, err := clientset.NewForConfig(&restclient.Config{Host: s.URL})
	if err != nil {
		t.Fatalf("Error in create clientset: %v", err)
	}
	groupVersionResources, err := clientSet.Discovery().ServerPreferredResources()
	if err != nil {
		t.Fatalf("Failed to get supported resources from server: %v", err)
	}
	clientPool := dynamic.NewClientPool(&restclient.Config{Host: s.URL}, dynamic.LegacyAPIPathResolverFunc)
	gc, err := garbagecollector.NewGarbageCollector(clientPool, groupVersionResources)
	if err != nil {
		t.Fatalf("Failed to create garbage collector")
	}
	return gc, clientSet
}

func setup(t *testing.T) (*httptest.Server, *garbagecollector.GarbageCollector, clientset.Interface) {
	masterConfig := framework.NewIntegrationTestMasterConfig()
	masterConfig.EnableCoreControllers = false
	masterConfig.EnableGarbageCollection = true
	_, s := framework.RunAMaster(masterConfig)

	clientSet, err := clientset.NewForConfig(&restclient.Config{Host: s.URL})
	if err != nil {
		t.Fatalf("Error in create clientset: %v", err)
	}
	groupVersionResources, err := clientSet.Discovery().ServerPreferredResources()
	if err != nil {
		t.Fatalf("Failed to get supported resources from server: %v", err)
	}
	config := &restclient.Config{Host: s.URL}
	config.ContentConfig.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: metaonly.NewMetadataCodecFactory()}
	metaOnlyClientPool := dynamic.NewClientPool(config, registered.RESTMapper(), dynamic.LegacyAPIPathResolverFunc)
	config.ContentConfig.NegotiatedSerializer = nil
	clientPool := dynamic.NewClientPool(config, registered.RESTMapper(), dynamic.LegacyAPIPathResolverFunc)
	gc, err := garbagecollector.NewGarbageCollector(metaOnlyClientPool, clientPool, registered.RESTMapper(), groupVersionResources)
	if err != nil {
		t.Fatalf("Failed to create garbage collector")
	}
	return s, gc, clientSet
}

// RunGarbageCollectorController starts generic garbage collection for the cluster.
func (c *MasterConfig) RunGarbageCollectorController(client *osclient.Client, config *restclient.Config) {
	if !c.ControllerManager.EnableGarbageCollector {
		return
	}

	groupVersionResources, err := client.Discovery().ServerPreferredResources()
	if err != nil {
		glog.Fatalf("Failed to get supported resources from server: %v", err)
	}

	config = restclient.AddUserAgent(config, "generic-garbage-collector")
	config.ContentConfig.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: metaonly.NewMetadataCodecFactory()}
	// TODO: needs to take GVR
	metaOnlyClientPool := dynamic.NewClientPool(config, dynamic.LegacyAPIPathResolverFunc)
	config.ContentConfig.NegotiatedSerializer = nil
	// TODO: needs to take GVR
	clientPool := dynamic.NewClientPool(config, dynamic.LegacyAPIPathResolverFunc)
	garbageCollector, err := garbagecollector.NewGarbageCollector(metaOnlyClientPool, clientPool, groupVersionResources)
	if err != nil {
		glog.Fatalf("Failed to start the garbage collector: %v", err)
	}

	workers := int(c.ControllerManager.ConcurrentGCSyncs)
	go garbageCollector.Run(workers, utilwait.NeverStop)
}

func startGarbageCollectorController(ctx ControllerContext) (bool, error) {
	if !ctx.Options.EnableGarbageCollector {
		return false, nil
	}

	// TODO: should use a dynamic RESTMapper built from the discovery results.
	restMapper := api.Registry.RESTMapper()

	gcClientset := ctx.ClientBuilder.ClientOrDie("generic-garbage-collector")
	preferredResources, err := gcClientset.Discovery().ServerPreferredResources()
	if err != nil {
		return true, 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 {
		return true, fmt.Errorf("Failed to parse resources from server: %v", err)
	}

	config := ctx.ClientBuilder.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 {
		return true, fmt.Errorf("Failed to start the generic garbage collector: %v", err)
	}
	workers := int(ctx.Options.ConcurrentGCSyncs)
	go garbageCollector.Run(workers, ctx.Stop)

	return true, nil
}

func setup(t *testing.T) (*httptest.Server, *garbagecollector.GarbageCollector, clientset.Interface) {
	masterConfig := framework.NewIntegrationTestMasterConfig()
	masterConfig.EnableCoreControllers = false
	_, s := framework.RunAMaster(masterConfig)

	clientSet, err := clientset.NewForConfig(&restclient.Config{Host: s.URL})
	if err != nil {
		t.Fatalf("Error in create clientset: %v", err)
	}
	groupVersionResources, err := clientSet.Discovery().ServerPreferredResources()
	if err != nil {
		t.Fatalf("Failed to get supported resources from server: %v", err)
	}
	clientPool := dynamic.NewClientPool(&restclient.Config{Host: s.URL}, dynamic.LegacyAPIPathResolverFunc)
	gc, err := garbagecollector.NewGarbageCollector(clientPool, groupVersionResources)
	if err != nil {
		t.Fatalf("Failed to create garbage collector")
	}
	return s, gc, clientSet
}

//.........这里部分代码省略.........
			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 {}
}

//.........这里部分代码省略.........
				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 {}
}

//.........这里部分代码省略.........
	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 {}
}