Golang EventsGetter.Events方法代码示例

// RecordConfigEvent records an event for the deployment config referenced by the
// deployment.
func RecordConfigEvent(client kcoreclient.EventsGetter, deployment *kapi.ReplicationController, decoder runtime.Decoder, eventType, reason, msg string) {
	t := unversioned.Time{Time: time.Now()}
	var obj runtime.Object = deployment
	if config, err := deployutil.DecodeDeploymentConfig(deployment, decoder); err == nil {
		obj = config
	} else {
		glog.Errorf("Unable to decode deployment config from %s/%s: %v", deployment.Namespace, deployment.Name, err)
	}
	ref, err := kapi.GetReference(obj)
	if err != nil {
		glog.Errorf("Unable to get reference for %#v: %v", obj, err)
		return
	}
	event := &kapi.Event{
		ObjectMeta: kapi.ObjectMeta{
			Name:      fmt.Sprintf("%v.%x", ref.Name, t.UnixNano()),
			Namespace: ref.Namespace,
		},
		InvolvedObject: *ref,
		Reason:         reason,
		Message:        msg,
		Source: kapi.EventSource{
			Component: deployutil.DeployerPodNameFor(deployment),
		},
		FirstTimestamp: t,
		LastTimestamp:  t,
		Count:          1,
		Type:           eventType,
	}
	if _, err := client.Events(ref.Namespace).Create(event); err != nil {
		glog.Errorf("Could not create event '%#v': %v", event, err)
	}
}

func NewUnidlingController(scaleNS kextclient.ScalesGetter, endptsNS kclient.EndpointsGetter, evtNS kclient.EventsGetter, dcNamespacer deployclient.DeploymentConfigsGetter, rcNamespacer kclient.ReplicationControllersGetter, resyncPeriod time.Duration) *UnidlingController {
	fieldSet := fields.Set{}
	fieldSet["reason"] = unidlingapi.NeedPodsReason
	fieldSelector := fieldSet.AsSelector()

	unidlingController := &UnidlingController{
		scaleNamespacer:     scaleNS,
		endpointsNamespacer: endptsNS,
		queue:               workqueue.NewRateLimitingQueue(workqueue.DefaultControllerRateLimiter()),
		lastFiredCache: &lastFiredCache{
			items: make(map[types.NamespacedName]time.Time),
		},

		dcNamespacer: dcNamespacer,
		rcNamespacer: rcNamespacer,
	}

	_, controller := framework.NewInformer(
		&cache.ListWatch{
			// No need to list -- we only care about new events
			ListFunc: func(options kapi.ListOptions) (runtime.Object, error) {
				return &kapi.EventList{}, nil
			},
			WatchFunc: func(options kapi.ListOptions) (watch.Interface, error) {
				options.FieldSelector = fieldSelector
				return evtNS.Events(kapi.NamespaceAll).Watch(options)
			},
		},
		&kapi.Event{},
		resyncPeriod,
		framework.ResourceEventHandlerFuncs{
			AddFunc: func(obj interface{}) {
				event := obj.(*kapi.Event)
				unidlingController.enqueueEvent(event)
			},
			UpdateFunc: func(oldObj interface{}, newObj interface{}) {
				// retrigger on new last-seen times
				event := newObj.(*kapi.Event)
				unidlingController.enqueueEvent(event)
			},
			DeleteFunc: func(obj interface{}) {
				// this is just to clean up our cache of the last seen times
				event := obj.(*kapi.Event)
				unidlingController.clearEventFromCache(event)
			},
		},
	)

	unidlingController.controller = controller

	return unidlingController
}

func NewHorizontalController(evtNamespacer unversionedcore.EventsGetter, scaleNamespacer unversionedextensions.ScalesGetter, hpaNamespacer unversionedextensions.HorizontalPodAutoscalersGetter, metricsClient metrics.MetricsClient, resyncPeriod time.Duration) *HorizontalController {
	broadcaster := record.NewBroadcaster()
	broadcaster.StartRecordingToSink(&unversionedcore.EventSinkImpl{evtNamespacer.Events("")})
	recorder := broadcaster.NewRecorder(api.EventSource{Component: "horizontal-pod-autoscaler"})

	controller := &HorizontalController{
		metricsClient:   metricsClient,
		eventRecorder:   recorder,
		scaleNamespacer: scaleNamespacer,
		hpaNamespacer:   hpaNamespacer,
	}
	store, frameworkController := newInformer(controller, resyncPeriod)
	controller.store = store
	controller.controller = frameworkController

	return controller
}

// RecordConfigWarnings records all warning events from the replication controller to the
// associated deployment config.
func RecordConfigWarnings(client kcoreclient.EventsGetter, rc *kapi.ReplicationController, decoder runtime.Decoder, out io.Writer) {
	if rc == nil {
		return
	}
	events, err := client.Events(rc.Namespace).Search(rc)
	if err != nil {
		fmt.Fprintf(out, "--> Error listing events for replication controller %s: %v\n", rc.Name, err)
		return
	}
	// TODO: Do we need to sort the events?
	for _, e := range events.Items {
		if e.Type == kapi.EventTypeWarning {
			fmt.Fprintf(out, "-->  %s: %s %s\n", e.Reason, rc.Name, e.Message)
			RecordConfigEvent(client, rc, decoder, e.Type, e.Reason, e.Message)
		}
	}
}