Golang Interface.Events方法代码示例

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

// 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,
	}
}

// NewReplicationManager creates a new ReplicationManager.
func NewReplicationManager(qingClient client.Interface, burstReplicas int) *ReplicationManager {
	eventBroadcaster := record.NewBroadcaster()
	eventBroadcaster.StartLogging(glog.Infof)
	eventBroadcaster.StartRecordingToSink(qingClient.Events(""))

	rm := &ReplicationManager{
		qingClient: qingClient,
		podControl: RealPodControl{
			qingClient: qingClient,
			recorder:   eventBroadcaster.NewRecorder(api.EventSource{Component: "replication-controller"}),
		},
		burstReplicas: burstReplicas,
		expectations:  NewRCExpectations(),
		queue:         workqueue.New(),
	}

	rm.controllerStore.Store, rm.rcController = framework.NewInformer(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return rm.qingClient.ReplicationControllers(api.NamespaceAll).List(labels.Everything())
			},
			WatchFunc: func(rv string) (watch.Interface, error) {
				return rm.qingClient.ReplicationControllers(api.NamespaceAll).Watch(labels.Everything(), fields.Everything(), rv)
			},
		},
		&api.ReplicationController{},
		FullControllerResyncPeriod,
		framework.ResourceEventHandlerFuncs{
			AddFunc: rm.enqueueController,
			UpdateFunc: func(old, cur interface{}) {
				// We only really need to do this when spec changes, but for correctness it is safer to
				// periodically double check. It is overkill for 2 reasons:
				// 1. Status.Replica updates will cause a sync
				// 2. Every 30s we will get a full resync (this will happen anyway every 5 minutes when pods relist)
				// However, it shouldn't be that bad as rcs that haven't met expectations won't sync, and all
				// the listing is done using local stores.
				oldRC := old.(*api.ReplicationController)
				curRC := cur.(*api.ReplicationController)
				if oldRC.Status.Replicas != curRC.Status.Replicas {
					glog.V(4).Infof("Observed updated replica count for rc: %v, %d->%d", curRC.Name, oldRC.Status.Replicas, curRC.Status.Replicas)
				}
				rm.enqueueController(cur)
			},
			// This will enter the sync loop and no-op, becuase the controller has been deleted from the store.
			// Note that deleting a controller immediately after scaling it to 0 will not work. The recommended
			// way of achieving this is by performing a `stop` operation on the controller.
			DeleteFunc: rm.enqueueController,
		},
	)

	rm.podStore.Store, rm.podController = framework.NewInformer(
		&cache.ListWatch{
			ListFunc: func() (runtime.Object, error) {
				return rm.qingClient.Pods(api.NamespaceAll).List(labels.Everything(), fields.Everything())
			},
			WatchFunc: func(rv string) (watch.Interface, error) {
				return rm.qingClient.Pods(api.NamespaceAll).Watch(labels.Everything(), fields.Everything(), rv)
			},
		},
		&api.Pod{},
		PodRelistPeriod,
		framework.ResourceEventHandlerFuncs{
			AddFunc: rm.addPod,
			// This invokes the rc for every pod change, eg: host assignment. Though this might seem like overkill
			// the most frequent pod update is status, and the associated rc will only list from local storage, so
			// it should be ok.
			UpdateFunc: rm.updatePod,
			DeleteFunc: rm.deletePod,
		},
	)

	rm.syncHandler = rm.syncReplicationController
	rm.podStoreSynced = rm.podController.HasSynced
	return rm
}