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jobpods.go
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jobpods.go
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// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package jobdetail
import (
"log"
"github.com/kubernetes/dashboard/src/app/backend/client"
"github.com/kubernetes/dashboard/src/app/backend/resource/common"
"github.com/kubernetes/dashboard/src/app/backend/resource/pod"
"github.com/kubernetes/dashboard/src/app/backend/resource/dataselect"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/apis/batch"
k8sClient "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
"k8s.io/kubernetes/pkg/fields"
"k8s.io/kubernetes/pkg/labels"
)
// GetJobPods return list of pods targeting job.
func GetJobPods(client k8sClient.Interface, heapsterClient client.HeapsterClient,
dsQuery *dataselect.DataSelectQuery, namespace string, jobName string) (*pod.PodList, error) {
log.Printf("Getting replication controller %s pods in namespace %s", jobName, namespace)
pods, err := getRawJobPods(client, jobName, namespace)
if err != nil {
return nil, err
}
podList := pod.CreatePodList(pods, []api.Event{}, dsQuery, heapsterClient)
return &podList, 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 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
}