Files
PandaX/apps/devops/services/k8s/job/pods.go
2022-01-26 14:13:23 +08:00

79 lines
2.3 KiB
Go

package job
import (
"context"
"pandax/base/global"
"go.uber.org/zap"
batch "k8s.io/api/batch/v1"
v1 "k8s.io/api/core/v1"
metaV1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/client-go/kubernetes"
"pandax/apps/devops/entity/k8s"
k8scommon "pandax/apps/devops/services/k8s/common"
"pandax/apps/devops/services/k8s/event"
"pandax/apps/devops/services/k8s/pods"
)
type PodList struct {
ListMeta k8s.ListMeta `json:"listMeta"`
// Basic information about resources status on the list.
Status k8scommon.ResourceStatus `json:"status"`
// Unordered list of Pods.
Pods []pods.Pod `json:"pods"`
}
// Returns simple info about pods(running, desired, failing, etc.) related to given job.
func getJobPodInfo(client *kubernetes.Clientset, job *batch.Job) (*k8scommon.PodInfo, error) {
labelSelector := labels.SelectorFromSet(job.Spec.Selector.MatchLabels)
channels := &k8scommon.ResourceChannels{
PodList: k8scommon.GetPodListChannelWithOptions(client, k8scommon.NewSameNamespaceQuery(
job.Namespace),
metaV1.ListOptions{
LabelSelector: labelSelector.String(),
FieldSelector: fields.Everything().String(),
}, 1),
}
podList := <-channels.PodList.List
if err := <-channels.PodList.Error; err != nil {
return nil, err
}
podInfo := k8scommon.GetPodInfo(job.Status.Active, job.Spec.Completions, podList.Items)
// This pod info for jobs should be get from job status, similar to kubectl describe logic.
podInfo.Running = job.Status.Active
podInfo.Succeeded = job.Status.Succeeded
podInfo.Failed = job.Status.Failed
return &podInfo, nil
}
func getJobToPod(client *kubernetes.Clientset, job *batch.Job) (po *PodList) {
selector, err := metaV1.LabelSelectorAsSelector(job.Spec.Selector)
if err != nil {
return nil
}
options := metaV1.ListOptions{LabelSelector: selector.String()}
podData, err := client.CoreV1().Pods(job.Namespace).List(context.TODO(), options)
if err != nil {
global.Log.Error("Get a pod exception from the job", zap.Any("err", err))
}
podList := PodList{
Pods: make([]pods.Pod, 0),
}
podList.ListMeta = k8s.ListMeta{TotalItems: len(podData.Items)}
for _, pod := range podData.Items {
warnings := event.GetPodsEventWarnings(nil, []v1.Pod{pod})
podDetail := pods.ToPod(&pod, warnings)
podList.Pods = append(podList.Pods, podDetail)
}
return &podList
}