Golang client.Interface类代码示例

// NewNamespaceManager creates a new NamespaceManager
func NewNamespaceManager(qingClient client.Interface, resyncPeriod time.Duration) *NamespaceManager {
	_, controller := framework.NewInformer(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return qingClient.Namespaces().List(labels.Everything(), fields.Everything())
			},
			WatchFunc: func(resourceVersion string) (watch.Interface, error) {
				return qingClient.Namespaces().Watch(labels.Everything(), fields.Everything(), resourceVersion)
			},
		},
		&api.Namespace{},
		resyncPeriod,
		framework.ResourceEventHandlerFuncs{
			AddFunc: func(obj interface{}) {
				namespace := obj.(*api.Namespace)
				err := syncNamespace(qingClient, *namespace)
				if err != nil {
					glog.Error(err)
				}
			},
			UpdateFunc: func(oldObj, newObj interface{}) {
				namespace := newObj.(*api.Namespace)
				err := syncNamespace(qingClient, *namespace)
				if err != nil {
					glog.Error(err)
				}
			},
		},
	)

	return &NamespaceManager{
		controller: controller,
	}
}

func GetApiVersions(w io.Writer, qingClient client.Interface) {
	apiVersions, err := qingClient.ServerAPIVersions()
	if err != nil {
		fmt.Printf("Couldn't get available api versions from server: %v\n", err)
		os.Exit(1)
	}

	fmt.Fprintf(w, "Available Server Api Versions: %#v\n", *apiVersions)
}

func UpdateExistingReplicationController(c client.Interface, oldRc *api.ReplicationController, namespace, newName, deploymentKey, deploymentValue string, out io.Writer) (*api.ReplicationController, error) {
	SetNextControllerAnnotation(oldRc, newName)
	if _, found := oldRc.Spec.Selector[deploymentKey]; !found {
		return AddDeploymentKeyToReplicationController(oldRc, c, deploymentKey, deploymentValue, namespace, out)
	} else {
		// If we didn't need to update the controller for the deployment key, we still need to write
		// the "next" controller.
		return c.ReplicationControllers(namespace).Update(oldRc)
	}
}

func GetVersion(w io.Writer, qingClient client.Interface) {
	GetClientVersion(w)

	serverVersion, err := qingClient.ServerVersion()
	if err != nil {
		fmt.Printf("Couldn't read version from server: %v\n", err)
		os.Exit(1)
	}

	fmt.Fprintf(w, "Server Version: %#v\n", *serverVersion)
}

func deletePersistentVolumeClaims(qingClient client.Interface, ns string) error {
	items, err := qingClient.PersistentVolumeClaims(ns).List(labels.Everything(), fields.Everything())
	if err != nil {
		return err
	}
	for i := range items.Items {
		err := qingClient.PersistentVolumeClaims(ns).Delete(items.Items[i].Name)
		if err != nil && !errors.IsNotFound(err) {
			return err
		}
	}
	return nil
}

func deleteReplicationControllers(qingClient client.Interface, ns string) error {
	items, err := qingClient.ReplicationControllers(ns).List(labels.Everything())
	if err != nil {
		return err
	}
	for i := range items.Items {
		err := qingClient.ReplicationControllers(ns).Delete(items.Items[i].Name)
		if err != nil && !errors.IsNotFound(err) {
			return err
		}
	}
	return nil
}

func deleteResourceQuotas(qingClient client.Interface, ns string) error {
	resourceQuotas, err := qingClient.ResourceQuotas(ns).List(labels.Everything())
	if err != nil {
		return err
	}
	for i := range resourceQuotas.Items {
		err := qingClient.ResourceQuotas(ns).Delete(resourceQuotas.Items[i].Name)
		if err != nil && !errors.IsNotFound(err) {
			return err
		}
	}
	return nil
}

// NewResourceQuota creates a new resource quota admission control handler
func NewResourceQuota(client client.Interface) admission.Interface {
	lw := &cache.ListWatch{
		ListFunc: func() (runtime.Object, error) {
			return client.ResourceQuotas(api.NamespaceAll).List(labels.Everything())
		},
		WatchFunc: func(resourceVersion string) (watch.Interface, error) {
			return client.ResourceQuotas(api.NamespaceAll).Watch(labels.Everything(), fields.Everything(), resourceVersion)
		},
	}
	indexer, reflector := cache.NewNamespaceKeyedIndexerAndReflector(lw, &api.ResourceQuota{}, 0)
	reflector.Run()
	return createResourceQuota(client, indexer)
}

// New returns a new service controller to keep cloud provider service resources
// (like external load balancers) in sync with the registry.
func New(cloud cloudprovider.Interface, qingClient client.Interface, clusterName string) *ServiceController {
	broadcaster := record.NewBroadcaster()
	broadcaster.StartRecordingToSink(qingClient.Events(""))
	recorder := broadcaster.NewRecorder(api.EventSource{Component: "service-controller"})

	return &ServiceController{
		cloud:            cloud,
		qingClient:       qingClient,
		clusterName:      clusterName,
		cache:            &serviceCache{serviceMap: make(map[string]*cachedService)},
		eventBroadcaster: broadcaster,
		eventRecorder:    recorder,
	}
}

// finalize will finalize the namespace for qingyuan
func finalize(qingClient client.Interface, namespace api.Namespace) (*api.Namespace, error) {
	namespaceFinalize := api.Namespace{}
	namespaceFinalize.ObjectMeta = namespace.ObjectMeta
	namespaceFinalize.Spec = namespace.Spec
	finalizerSet := util.NewStringSet()
	for i := range namespace.Spec.Finalizers {
		if namespace.Spec.Finalizers[i] != api.FinalizerQingYuan {
			finalizerSet.Insert(string(namespace.Spec.Finalizers[i]))
		}
	}
	namespaceFinalize.Spec.Finalizers = make([]api.FinalizerName, 0, len(finalizerSet))
	for _, value := range finalizerSet.List() {
		namespaceFinalize.Spec.Finalizers = append(namespaceFinalize.Spec.Finalizers, api.FinalizerName(value))
	}
	return qingClient.Namespaces().Finalize(&namespaceFinalize)
}

// NewLimitRanger returns an object that enforces limits based on the supplied limit function
func NewLimitRanger(client client.Interface, limitFunc LimitFunc) admission.Interface {
	lw := &cache.ListWatch{
		ListFunc: func() (runtime.Object, error) {
			return client.LimitRanges(api.NamespaceAll).List(labels.Everything())
		},
		WatchFunc: func(resourceVersion string) (watch.Interface, error) {
			return client.LimitRanges(api.NamespaceAll).Watch(labels.Everything(), fields.Everything(), resourceVersion)
		},
	}
	indexer, reflector := cache.NewNamespaceKeyedIndexerAndReflector(lw, &api.LimitRange{}, 0)
	reflector.Run()
	return &limitRanger{
		Handler:   admission.NewHandler(admission.Create, admission.Update),
		client:    client,
		limitFunc: limitFunc,
		indexer:   indexer,
	}
}

// NewProvision creates a new namespace provision admission control handler
func NewProvision(c client.Interface) admission.Interface {
	store := cache.NewStore(cache.MetaNamespaceKeyFunc)
	reflector := cache.NewReflector(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return c.Namespaces().List(labels.Everything(), fields.Everything())
			},
			WatchFunc: func(resourceVersion string) (watch.Interface, error) {
				return c.Namespaces().Watch(labels.Everything(), fields.Everything(), resourceVersion)
			},
		},
		&api.Namespace{},
		store,
		0,
	)
	reflector.Run()
	return createProvision(c, store)
}

// NewPersistentVolumeClaimBinder creates a new PersistentVolumeClaimBinder
func NewPersistentVolumeClaimBinder(qingClient client.Interface, syncPeriod time.Duration) *PersistentVolumeClaimBinder {
	volumeIndex := NewPersistentVolumeOrderedIndex()
	binderClient := NewBinderClient(qingClient)
	binder := &PersistentVolumeClaimBinder{
		volumeIndex: volumeIndex,
		client:      binderClient,
	}

	_, volumeController := framework.NewInformer(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return qingClient.PersistentVolumes().List(labels.Everything(), fields.Everything())
			},
			WatchFunc: func(resourceVersion string) (watch.Interface, error) {
				return qingClient.PersistentVolumes().Watch(labels.Everything(), fields.Everything(), resourceVersion)
			},
		},
		&api.PersistentVolume{},
		syncPeriod,
		framework.ResourceEventHandlerFuncs{
			AddFunc:    binder.addVolume,
			UpdateFunc: binder.updateVolume,
			DeleteFunc: binder.deleteVolume,
		},
	)
	_, claimController := framework.NewInformer(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return qingClient.PersistentVolumeClaims(api.NamespaceAll).List(labels.Everything(), fields.Everything())
			},
			WatchFunc: func(resourceVersion string) (watch.Interface, error) {
				return qingClient.PersistentVolumeClaims(api.NamespaceAll).Watch(labels.Everything(), fields.Everything(), resourceVersion)
			},
		},
		&api.PersistentVolumeClaim{},
		syncPeriod,
		framework.ResourceEventHandlerFuncs{
			AddFunc:    binder.addClaim,
			UpdateFunc: binder.updateClaim,
			// no DeleteFunc needed.  a claim requires no clean-up.
			// syncVolume handles the missing claim
		},
	)

	binder.claimController = claimController
	binder.volumeController = volumeController

	return binder
}

// NewLifecycle creates a new namespace lifecycle admission control handler
func NewLifecycle(c client.Interface) admission.Interface {
	store := cache.NewStore(cache.MetaNamespaceKeyFunc)
	reflector := cache.NewReflector(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return c.Namespaces().List(labels.Everything(), fields.Everything())
			},
			WatchFunc: func(resourceVersion string) (watch.Interface, error) {
				return c.Namespaces().Watch(labels.Everything(), fields.Everything(), resourceVersion)
			},
		},
		&api.Namespace{},
		store,
		0,
	)
	reflector.Run()
	return &lifecycle{
		Handler:            admission.NewHandler(admission.Create, admission.Delete),
		client:             c,
		store:              store,
		immortalNamespaces: util.NewStringSet(api.NamespaceDefault),
	}
}

// PersistentVolumeRecycler creates a new PersistentVolumeRecycler
func NewPersistentVolumeRecycler(qingClient client.Interface, syncPeriod time.Duration, plugins []volume.VolumePlugin) (*PersistentVolumeRecycler, error) {
	recyclerClient := NewRecyclerClient(qingClient)
	recycler := &PersistentVolumeRecycler{
		client:     recyclerClient,
		qingClient: qingClient,
	}

	if err := recycler.pluginMgr.InitPlugins(plugins, recycler); err != nil {
		return nil, fmt.Errorf("Could not initialize volume plugins for PVClaimBinder: %+v", err)
	}

	_, volumeController := framework.NewInformer(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return qingClient.PersistentVolumes().List(labels.Everything(), fields.Everything())
			},
			WatchFunc: func(resourceVersion string) (watch.Interface, error) {
				return qingClient.PersistentVolumes().Watch(labels.Everything(), fields.Everything(), resourceVersion)
			},
		},
		&api.PersistentVolume{},
		syncPeriod,
		framework.ResourceEventHandlerFuncs{
			AddFunc: func(obj interface{}) {
				pv := obj.(*api.PersistentVolume)
				recycler.reclaimVolume(pv)
			},
			UpdateFunc: func(oldObj, newObj interface{}) {
				pv := newObj.(*api.PersistentVolume)
				recycler.reclaimVolume(pv)
			},
		},
	)

	recycler.volumeController = volumeController
	return recycler, nil
}