Golang ReplicaSetStatus.ReadyReplicas方法代碼示例

//.........這裏部分代碼省略.........

	// collect current status and do schedule
	allPods, err := frsc.fedPodInformer.GetTargetStore().List()
	if err != nil {
		return statusError, err
	}
	podStatus, err := podanalyzer.AnalysePods(frs.Spec.Selector, allPods, time.Now())
	current := make(map[string]int64)
	estimatedCapacity := make(map[string]int64)
	for _, cluster := range clusters {
		lrsObj, exists, err := frsc.fedReplicaSetInformer.GetTargetStore().GetByKey(cluster.Name, key)
		if err != nil {
			return statusError, err
		}
		if exists {
			lrs := lrsObj.(*extensionsv1.ReplicaSet)
			current[cluster.Name] = int64(podStatus[cluster.Name].RunningAndReady) // include pending as well?
			unschedulable := int64(podStatus[cluster.Name].Unschedulable)
			if unschedulable > 0 {
				estimatedCapacity[cluster.Name] = int64(*lrs.Spec.Replicas) - unschedulable
			}
		}
	}

	scheduleResult := frsc.schedule(frs, clusters, current, estimatedCapacity)

	glog.V(4).Infof("Start syncing local replicaset %s: %v", key, scheduleResult)

	fedStatus := extensionsv1.ReplicaSetStatus{ObservedGeneration: frs.Generation}
	operations := make([]fedutil.FederatedOperation, 0)
	for clusterName, replicas := range scheduleResult {

		lrsObj, exists, err := frsc.fedReplicaSetInformer.GetTargetStore().GetByKey(clusterName, key)
		if err != nil {
			return statusError, err
		}

		// The object can be modified.
		lrs := &extensionsv1.ReplicaSet{
			ObjectMeta: fedutil.DeepCopyRelevantObjectMeta(frs.ObjectMeta),
			Spec:       fedutil.DeepCopyApiTypeOrPanic(frs.Spec).(extensionsv1.ReplicaSetSpec),
		}
		specReplicas := int32(replicas)
		lrs.Spec.Replicas = &specReplicas

		if !exists {
			if replicas > 0 {
				frsc.eventRecorder.Eventf(frs, api.EventTypeNormal, "CreateInCluster",
					"Creating replicaset in cluster %s", clusterName)

				operations = append(operations, fedutil.FederatedOperation{
					Type:        fedutil.OperationTypeAdd,
					Obj:         lrs,
					ClusterName: clusterName,
				})
			}
		} else {
			currentLrs := lrsObj.(*extensionsv1.ReplicaSet)
			// Update existing replica set, if needed.
			if !fedutil.ObjectMetaAndSpecEquivalent(lrs, currentLrs) {
				frsc.eventRecorder.Eventf(frs, api.EventTypeNormal, "UpdateInCluster",
					"Updating replicaset in cluster %s", clusterName)

				operations = append(operations, fedutil.FederatedOperation{
					Type:        fedutil.OperationTypeUpdate,
					Obj:         lrs,
					ClusterName: clusterName,
				})
			}
			fedStatus.Replicas += currentLrs.Status.Replicas
			fedStatus.FullyLabeledReplicas += currentLrs.Status.FullyLabeledReplicas
			fedStatus.ReadyReplicas += currentLrs.Status.ReadyReplicas
			fedStatus.AvailableReplicas += currentLrs.Status.AvailableReplicas
		}
	}
	if fedStatus.Replicas != frs.Status.Replicas || fedStatus.FullyLabeledReplicas != frs.Status.FullyLabeledReplicas ||
		fedStatus.ReadyReplicas != frs.Status.ReadyReplicas || fedStatus.AvailableReplicas != frs.Status.AvailableReplicas {
		frs.Status = fedStatus
		_, err = frsc.fedClient.Extensions().ReplicaSets(frs.Namespace).UpdateStatus(frs)
		if err != nil {
			return statusError, err
		}
	}

	if len(operations) == 0 {
		// Everything is in order
		return statusAllOk, nil
	}
	err = frsc.fedUpdater.UpdateWithOnError(operations, updateTimeout, func(op fedutil.FederatedOperation, operror error) {
		frsc.eventRecorder.Eventf(frs, api.EventTypeNormal, "FailedUpdateInCluster",
			"Replicaset update in cluster %s failed: %v", op.ClusterName, operror)
	})
	if err != nil {
		glog.Errorf("Failed to execute updates for %s: %v", key, err)
		return statusError, err
	}

	// Some operations were made, reconcile after a while.
	return statusNeedRecheck, nil
}