k8s基礎概念之十 CronJob

 

job重啟策略

#job重啟策略
restartPolicy
    Always：任何情況下都在重啟
    OnFailure：出錯的情況下重啟  #*
    Never：任何情況下都不重啟    #*

 

job

kind: Job
apiVersion: batch/v1
metadata:
  name: test-job
spec:
  template:
     metadata:
       labels:
         app: job
     spec:
       restartPolicy: OnFailure
       #三個重啟策略：Always、OnFailure、Never，這里重啟策略不能是Always
       containers:
       - name: busybox
         image: busybox
         command:
         - "/bin/sh"
         - "-c"
         - "sleep 30"

 

cronjob

cronjob是管理job，也就是每一個周期創建一個job去執行任務,一次只能管理一個job

kind: CronJob
apiVersion: batch/v1beta1
metadata:
  name: test-cronjob
spec:
  jobTemplate:
    metadata:
      labels:
        app: cronjob
    spec:
      template:
        metadata:
          labels:
            app: cronjob
        spec:
          restartPolicy: OnFailure
          containers:
          - name: busybox
            image: busybox
            imagePullPolicy: IfNotPresent
            command:
            - "/bin/sh"
            - "-c"
            - "sleep 30"
  schedule: "* * * * *"