// 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 }