// 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
}
// 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
}
// 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
}
// 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
}
// 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)
}
}
// 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
}