Golang unversioned.EventNamespacer类代码示例

// RecordConfigEvent records an event for the deployment config referenced by the
// deployment.
func RecordConfigEvent(client kclient.EventNamespacer, 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 NewHorizontalController(evtNamespacer client.EventNamespacer, scaleNamespacer client.ScaleNamespacer, hpaNamespacer client.HorizontalPodAutoscalersNamespacer, metricsClient metrics.MetricsClient) *HorizontalController {
	broadcaster := record.NewBroadcaster()
	broadcaster.StartRecordingToSink(evtNamespacer.Events(""))
	recorder := broadcaster.NewRecorder(api.EventSource{Component: "horizontal-pod-autoscaler"})

	return &HorizontalController{
		metricsClient:   metricsClient,
		eventRecorder:   recorder,
		scaleNamespacer: scaleNamespacer,
		hpaNamespacer:   hpaNamespacer,
	}
}

// RecordConfigWarnings records all warning events from the replication controller to the
// associated deployment config.
func RecordConfigWarnings(client kclient.EventNamespacer, 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)
		}
	}
}

// GetEventListChannelWithOptions is GetEventListChannel plus list options.
func GetEventListChannelWithOptions(client client.EventNamespacer,
	nsQuery *NamespaceQuery, options api.ListOptions, numReads int) EventListChannel {
	channel := EventListChannel{
		List:  make(chan *api.EventList, numReads),
		Error: make(chan error, numReads),
	}

	go func() {
		list, err := client.Events(nsQuery.ToRequestParam()).List(options)
		var filteredItems []api.Event
		for _, item := range list.Items {
			if nsQuery.Matches(item.ObjectMeta.Namespace) {
				filteredItems = append(filteredItems, item)
			}
		}
		list.Items = filteredItems
		for i := 0; i < numReads; i++ {
			channel.List <- list
			channel.Error <- err
		}
	}()

	return channel
}