Example #1
0
// CreateReplicaSetList creates paginated list of Replica Set model
// objects based on Kubernetes Replica Set objects array and related resources arrays.
func CreateReplicaSetList(replicaSets []extensions.ReplicaSet, pods []api.Pod,
	events []api.Event, dsQuery *dataselect.DataSelectQuery, heapsterClient *heapster.HeapsterClient) *ReplicaSetList {

	replicaSetList := &ReplicaSetList{
		ReplicaSets: make([]replicaset.ReplicaSet, 0),
		ListMeta:    common.ListMeta{TotalItems: len(replicaSets)},
	}

	cachedResources := &dataselect.CachedResources{
		Pods: pods,
	}
	replicationControllerCells, metricPromises := dataselect.GenericDataSelectWithMetrics(replicaset.ToCells(replicaSets), dsQuery, cachedResources, heapsterClient)
	replicaSets = replicaset.FromCells(replicationControllerCells)

	for _, replicaSet := range replicaSets {
		matchingPods := common.FilterNamespacedPodsBySelector(pods, replicaSet.ObjectMeta.Namespace,
			replicaSet.Spec.Selector.MatchLabels)
		podInfo := common.GetPodInfo(replicaSet.Status.Replicas,
			replicaSet.Spec.Replicas, matchingPods)
		podInfo.Warnings = event.GetPodsEventWarnings(events, matchingPods)

		replicaSetList.ReplicaSets = append(replicaSetList.ReplicaSets, replicaset.ToReplicaSet(&replicaSet, &podInfo))
	}

	cumulativeMetrics, err := metricPromises.GetMetrics()
	replicaSetList.CumulativeMetrics = cumulativeMetrics
	if err != nil {
		replicaSetList.CumulativeMetrics = make([]metric.Metric, 0)
	}

	return replicaSetList
}
Example #2
0
// CreatePetSetList creates paginated list of Pet Set model
// objects based on Kubernetes Pet Set objects array and related resources arrays.
func CreatePetSetList(petSets []apps.PetSet, pods []api.Pod, events []api.Event,
	dsQuery *dataselect.DataSelectQuery, heapsterClient *heapster.HeapsterClient) *PetSetList {

	petSetList := &PetSetList{
		PetSets:  make([]PetSet, 0),
		ListMeta: common.ListMeta{TotalItems: len(petSets)},
	}

	cachedResources := &dataselect.CachedResources{
		Pods: pods,
	}
	replicationControllerCells, metricPromises := dataselect.GenericDataSelectWithMetrics(petset.ToCells(petSets), dsQuery, cachedResources, heapsterClient)
	petSets = petset.FromCells(replicationControllerCells)

	for _, petSet := range petSets {
		matchingPods := common.FilterNamespacedPodsBySelector(pods, petSet.ObjectMeta.Namespace,
			petSet.Spec.Selector.MatchLabels)
		// TODO(floreks): Conversion should be omitted when client type will be updated
		podInfo := common.GetPodInfo(int32(petSet.Status.Replicas), int32(petSet.Spec.Replicas),
			matchingPods)
		podInfo.Warnings = event.GetPodsEventWarnings(events, matchingPods)

		petSetList.PetSets = append(petSetList.PetSets, ToPetSet(&petSet, &podInfo))
	}

	cumulativeMetrics, err := metricPromises.GetMetrics()
	petSetList.CumulativeMetrics = cumulativeMetrics
	if err != nil {
		petSetList.CumulativeMetrics = make([]metric.Metric, 0)
	}

	return petSetList
}
Example #3
0
// CreateJobList returns a list of all Job model objects in the cluster, based on all
// Kubernetes Job API objects.
func CreateJobList(jobs []batch.Job, pods []api.Pod, events []api.Event,
	dsQuery *dataselect.DataSelectQuery, heapsterClient *heapster.HeapsterClient) *JobList {

	jobList := &JobList{
		Jobs:     make([]Job, 0),
		ListMeta: common.ListMeta{TotalItems: len(jobs)},
	}

	cachedResources := &dataselect.CachedResources{
		Pods: pods,
	}
	replicationControllerCells, metricPromises := dataselect.GenericDataSelectWithMetrics(toCells(jobs), dsQuery, cachedResources, heapsterClient)
	jobs = fromCells(replicationControllerCells)

	for _, job := range jobs {
		var completions int32
		matchingPods := common.FilterNamespacedPodsBySelector(pods, job.ObjectMeta.Namespace,
			job.Spec.Selector.MatchLabels)
		if job.Spec.Completions != nil {
			completions = *job.Spec.Completions
		}
		podInfo := common.GetPodInfo(job.Status.Active, completions, matchingPods)
		podInfo.Warnings = event.GetPodsEventWarnings(events, matchingPods)

		jobList.Jobs = append(jobList.Jobs, ToJob(&job, &podInfo))
	}

	cumulativeMetrics, err := metricPromises.GetMetrics()
	jobList.CumulativeMetrics = cumulativeMetrics
	if err != nil {
		jobList.CumulativeMetrics = make([]metric.Metric, 0)
	}

	return jobList
}
Example #4
0
// 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
}
Example #5
0
// getMyPodsFromCache returns a full list of pods that belong to this resource.
// It is important that cachedPods include ALL pods from the namespace of this resource (but they can also include pods from other namespaces).
func (self *ResourceSelector) getMyPodsFromCache(cachedPods []api.Pod) ([]api.Pod, error) {
	// make sure we have the full list of pods. you have to make sure the cache has pod list for all namespaces!
	if cachedPods == nil {
		return nil, fmt.Errorf(`GetMyPodsFromCache: pods were not available in cache. Required for resource type: "%s"`, self.ResourceType)
	}

	// now decide whether to match by ResourceSelector or by ResourceLabelSelector
	if self.LabelSelector != nil {
		return common.FilterNamespacedPodsByLabelSelector(cachedPods, self.Namespace, self.LabelSelector), nil

	} else if self.Selector != nil {
		return common.FilterNamespacedPodsBySelector(cachedPods, self.Namespace, self.Selector), nil
	} else {
		return nil, fmt.Errorf(`GetMyPodsFromCache: did not find any resource selector for resource type: "%s"`, self.ResourceType)
	}
}
Example #6
0
// CreateDeploymentList returns a list of all Deployment model objects in the cluster, based on all
// Kubernetes Deployment API objects.
func CreateDeploymentList(deployments []extensions.Deployment, pods []api.Pod,
	events []api.Event, dsQuery *dataselect.DataSelectQuery, heapsterClient *heapster.HeapsterClient) *DeploymentList {

	deploymentList := &DeploymentList{
		Deployments: make([]Deployment, 0),
		ListMeta:    common.ListMeta{TotalItems: len(deployments)},
	}

	cachedResources := &dataselect.CachedResources{
		Pods: pods,
	}
	replicationControllerCells, metricPromises := dataselect.GenericDataSelectWithMetrics(toCells(deployments), dsQuery, cachedResources, heapsterClient)
	deployments = fromCells(replicationControllerCells)

	for _, deployment := range deployments {

		matchingPods := common.FilterNamespacedPodsBySelector(pods, deployment.ObjectMeta.Namespace,
			deployment.Spec.Selector.MatchLabels)
		podInfo := common.GetPodInfo(deployment.Status.Replicas, deployment.Spec.Replicas,
			matchingPods)
		podInfo.Warnings = event.GetPodsEventWarnings(events, matchingPods)

		deploymentList.Deployments = append(deploymentList.Deployments,
			Deployment{
				ObjectMeta:      common.NewObjectMeta(deployment.ObjectMeta),
				TypeMeta:        common.NewTypeMeta(common.ResourceKindDeployment),
				ContainerImages: common.GetContainerImages(&deployment.Spec.Template.Spec),
				Pods:            podInfo,
			})
	}

	cumulativeMetrics, err := metricPromises.GetMetrics()
	deploymentList.CumulativeMetrics = cumulativeMetrics
	if err != nil {
		deploymentList.CumulativeMetrics = make([]metric.Metric, 0)
	}

	return deploymentList
}