Golang common.GetPodListChannelWithOptions函数代码示例

// getJobPods returns list of pods targeting deployment.
func GetDeploymentPods(client client.Interface, heapsterClient heapster.HeapsterClient,
	dsQuery *dataselect.DataSelectQuery, namespace string, deploymentName string) (*pod.PodList, error) {

	deployment, err := client.Extensions().Deployments(namespace).Get(deploymentName)
	if err != nil {
		return nil, err
	}

	selector, err := unversioned.LabelSelectorAsSelector(deployment.Spec.Selector)
	if err != nil {
		return nil, err
	}

	options := api.ListOptions{LabelSelector: selector}
	channels := &common.ResourceChannels{
		PodList: common.GetPodListChannelWithOptions(client,
			common.NewSameNamespaceQuery(namespace), options, 1),
	}

	rawPods := <-channels.PodList.List
	if err := <-channels.PodList.Error; err != nil {
		return nil, err
	}

	pods := common.FilterNamespacedPodsBySelector(rawPods.Items, deployment.ObjectMeta.Namespace,
		deployment.Spec.Selector.MatchLabels)

	podList := pod.CreatePodList(pods, []api.Event{}, dsQuery, heapsterClient)
	return &podList, nil
}

// GetPodsEvents gets pods events associated to resource targeted by given resource selector.
func GetPodsEvents(client client.Interface, namespace string, resourceSelector map[string]string) (
	[]api.Event, error) {

	channels := &common.ResourceChannels{
		PodList: common.GetPodListChannelWithOptions(
			client,
			common.NewSameNamespaceQuery(namespace),
			api.ListOptions{
				LabelSelector: labels.SelectorFromSet(resourceSelector),
				FieldSelector: fields.Everything(),
			},
			1),
		EventList: common.GetEventListChannel(client, common.NewSameNamespaceQuery(namespace), 1),
	}

	podList := <-channels.PodList.List
	if err := <-channels.PodList.Error; err != nil {
		return nil, err
	}

	eventList := <-channels.EventList.List
	if err := <-channels.EventList.Error; err != nil {
		return nil, err
	}

	events := filterEventsByPodsUID(eventList.Items, podList.Items)

	return events, nil
}

// GetServicePods gets list of pods targeted by given label selector in given namespace.
func GetServicePods(client k8sClient.Interface, heapsterClient client.HeapsterClient, namespace,
	name string, dsQuery *dataselect.DataSelectQuery) (*pod.PodList, error) {

	service, err := client.Core().Services(namespace).Get(name)
	if err != nil {
		return nil, err
	}

	labelSelector := labels.SelectorFromSet(service.Spec.Selector)
	channels := &common.ResourceChannels{
		PodList: common.GetPodListChannelWithOptions(client,
			common.NewSameNamespaceQuery(namespace),
			api.ListOptions{
				LabelSelector: labelSelector,
				FieldSelector: fields.Everything(),
			},
			1),
	}

	apiPodList := <-channels.PodList.List
	if err := <-channels.PodList.Error; err != nil {
		return nil, err
	}

	podList := pod.CreatePodList(apiPodList.Items, dsQuery, heapsterClient)
	return &podList, nil
}

// GetPodList returns a list of all Pods in the cluster.
func GetPodList(client k8sClient.Interface, heapsterClient client.HeapsterClient,
	nsQuery *common.NamespaceQuery, dsQuery *dataselect.DataSelectQuery) (*PodList, error) {
	log.Printf("Getting list of all pods in the cluster")

	channels := &common.ResourceChannels{
		PodList: common.GetPodListChannelWithOptions(client, nsQuery, api.ListOptions{}, 1),
	}

	return GetPodListFromChannels(channels, dsQuery, heapsterClient)
}

// GetDeploymentEvents returns model events for a deployment with the given name in the given
// namespace
func GetDeploymentOldReplicaSets(client client.Interface, dsQuery *dataselect.DataSelectQuery,
	namespace string, deploymentName string) (*replicasetlist.ReplicaSetList, error) {

	deployment, err := client.Extensions().Deployments(namespace).Get(deploymentName)
	if err != nil {
		return nil, err
	}

	selector, err := unversioned.LabelSelectorAsSelector(deployment.Spec.Selector)
	if err != nil {
		return nil, err
	}
	options := api.ListOptions{LabelSelector: selector}

	channels := &common.ResourceChannels{
		ReplicaSetList: common.GetReplicaSetListChannelWithOptions(client,
			common.NewSameNamespaceQuery(namespace), options, 1),
		PodList: common.GetPodListChannelWithOptions(client,
			common.NewSameNamespaceQuery(namespace), options, 1),
		EventList: common.GetEventListChannelWithOptions(client,
			common.NewSameNamespaceQuery(namespace), options, 1),
	}

	rawRs := <-channels.ReplicaSetList.List
	if err := <-channels.ReplicaSetList.Error; err != nil {
		return nil, err
	}
	rawPods := <-channels.PodList.List
	if err := <-channels.PodList.Error; err != nil {
		return nil, err
	}
	rawEvents := <-channels.EventList.List
	if err := <-channels.EventList.Error; err != nil {
		return nil, err
	}

	rawRepSets := make([]*extensions.ReplicaSet, 0)
	for i := range rawRs.Items {
		rawRepSets = append(rawRepSets, &rawRs.Items[i])
	}
	oldRs, _, err := deploymentutil.FindOldReplicaSets(deployment, rawRepSets, rawPods)
	if err != nil {
		return nil, err
	}

	oldReplicaSets := make([]extensions.ReplicaSet, len(oldRs))
	for i, replicaSet := range oldRs {
		oldReplicaSets[i] = *replicaSet
	}
	oldReplicaSetList := replicasetlist.CreateReplicaSetList(oldReplicaSets, rawPods.Items, rawEvents.Items,
		dsQuery, nil)
	return oldReplicaSetList, nil
}

// Returns simple info about pods(running, desired, failing, etc.) related to given job.
func getJobPodInfo(client k8sClient.Interface, job *batch.Job) (*common.PodInfo, error) {
	labelSelector := labels.SelectorFromSet(job.Spec.Selector.MatchLabels)
	channels := &common.ResourceChannels{
		PodList: common.GetPodListChannelWithOptions(client, common.NewSameNamespaceQuery(
			job.Namespace),
			api.ListOptions{
				LabelSelector: labelSelector,
				FieldSelector: fields.Everything(),
			}, 1),
	}

	pods := <-channels.PodList.List
	if err := <-channels.PodList.Error; err != nil {
		return nil, err
	}

	podInfo := common.GetPodInfo(job.Status.Active, *job.Spec.Completions, pods.Items)
	return &podInfo, nil
}

// Returns simple info about pods(running, desired, failing, etc.) related to given replication
// controller.
func getReplicationControllerPodInfo(client k8sClient.Interface, rc *api.ReplicationController,
	namespace string) (*common.PodInfo, error) {

	labelSelector := labels.SelectorFromSet(rc.Spec.Selector)
	channels := &common.ResourceChannels{
		PodList: common.GetPodListChannelWithOptions(client, common.NewSameNamespaceQuery(namespace),
			api.ListOptions{
				LabelSelector: labelSelector,
				FieldSelector: fields.Everything(),
			}, 1),
	}

	pods := <-channels.PodList.List
	if err := <-channels.PodList.Error; err != nil {
		return nil, err
	}

	podInfo := common.GetPodInfo(rc.Status.Replicas, rc.Spec.Replicas, pods.Items)
	return &podInfo, nil
}

// Returns array of api pods targeting job with given name.
func getRawJobPods(client k8sClient.Interface, petSetName, namespace string) ([]api.Pod, error) {

	replicaSet, err := client.Batch().Jobs(namespace).Get(petSetName)
	if err != nil {
		return nil, err
	}

	labelSelector := labels.SelectorFromSet(replicaSet.Spec.Selector.MatchLabels)
	channels := &common.ResourceChannels{
		PodList: common.GetPodListChannelWithOptions(client, common.NewSameNamespaceQuery(namespace),
			api.ListOptions{
				LabelSelector: labelSelector,
				FieldSelector: fields.Everything(),
			}, 1),
	}

	podList := <-channels.PodList.List
	if err := <-channels.PodList.Error; err != nil {
		return nil, err
	}

	return podList.Items, nil
}

// Returns array of api pods targeting replication controller associated to given name.
func getRawReplicationControllerPods(client k8sClient.Interface, rcName, namespace string) (
	[]api.Pod, error) {

	replicationController, err := client.Core().ReplicationControllers(namespace).Get(rcName)
	if err != nil {
		return nil, err
	}

	labelSelector := labels.SelectorFromSet(replicationController.Spec.Selector)
	channels := &common.ResourceChannels{
		PodList: common.GetPodListChannelWithOptions(client, common.NewSameNamespaceQuery(namespace),
			api.ListOptions{
				LabelSelector: labelSelector,
				FieldSelector: fields.Everything(),
			}, 1),
	}

	podList := <-channels.PodList.List
	if err := <-channels.PodList.Error; err != nil {
		return nil, err
	}

	return podList.Items, nil
}

// GetDeploymentDetail returns model object of deployment and error, if any.
func GetDeploymentDetail(client client.Interface, heapsterClient heapster.HeapsterClient, namespace string,
	deploymentName string) (*DeploymentDetail, error) {

	log.Printf("Getting details of %s deployment in %s namespace", deploymentName, namespace)

	deployment, err := client.Extensions().Deployments(namespace).Get(deploymentName)
	if err != nil {
		return nil, err
	}

	selector, err := unversioned.LabelSelectorAsSelector(deployment.Spec.Selector)
	if err != nil {
		return nil, err
	}
	options := api.ListOptions{LabelSelector: selector}

	channels := &common.ResourceChannels{
		ReplicaSetList: common.GetReplicaSetListChannelWithOptions(client.Extensions(),
			common.NewSameNamespaceQuery(namespace), options, 1),
		PodList: common.GetPodListChannelWithOptions(client,
			common.NewSameNamespaceQuery(namespace), options, 1),
	}

	rawRs := <-channels.ReplicaSetList.List
	if err := <-channels.ReplicaSetList.Error; err != nil {
		return nil, err
	}
	rawPods := <-channels.PodList.List
	if err := <-channels.PodList.Error; err != nil {
		return nil, err
	}

	// Pods
	podList, err := GetDeploymentPods(client, heapsterClient, dataselect.DefaultDataSelectWithMetrics, namespace, deploymentName)
	if err != nil {
		return nil, err
	}
	// Events
	eventList, err := GetDeploymentEvents(client, dataselect.DefaultDataSelect, namespace, deploymentName)
	if err != nil {
		return nil, err
	}

	// Old Replica Sets
	oldReplicaSetList, err := GetDeploymentOldReplicaSets(client, dataselect.DefaultDataSelect, namespace, deploymentName)
	if err != nil {
		return nil, err
	}

	// New Replica Set
	newRs, err := deploymentutil.FindNewReplicaSet(deployment, rawRs.Items)
	if err != nil {
		return nil, err
	}
	var newReplicaSet replicaset.ReplicaSet
	if newRs != nil {
		newRsPodInfo := common.GetPodInfo(newRs.Status.Replicas, newRs.Spec.Replicas, rawPods.Items)
		newReplicaSet = replicaset.ToReplicaSet(newRs, &newRsPodInfo)
	}

	// Extra Info
	var rollingUpdateStrategy *RollingUpdateStrategy
	if deployment.Spec.Strategy.RollingUpdate != nil {
		rollingUpdateStrategy = &RollingUpdateStrategy{
			MaxSurge:       deployment.Spec.Strategy.RollingUpdate.MaxSurge.IntValue(),
			MaxUnavailable: deployment.Spec.Strategy.RollingUpdate.MaxUnavailable.IntValue(),
		}
	}

	return &DeploymentDetail{
		ObjectMeta:            common.NewObjectMeta(deployment.ObjectMeta),
		TypeMeta:              common.NewTypeMeta(common.ResourceKindDeployment),
		PodList:               *podList,
		Selector:              deployment.Spec.Selector.MatchLabels,
		StatusInfo:            GetStatusInfo(&deployment.Status),
		Strategy:              deployment.Spec.Strategy.Type,
		MinReadySeconds:       deployment.Spec.MinReadySeconds,
		RollingUpdateStrategy: rollingUpdateStrategy,
		OldReplicaSetList:     *oldReplicaSetList,
		NewReplicaSet:         newReplicaSet,
		RevisionHistoryLimit:  deployment.Spec.RevisionHistoryLimit,
		EventList:             *eventList,
	}, nil

}