// 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 }