cronjob简单使用

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kind: CronJob
apiVersion: batch/v1beta1
metadata:
  name: hello
spec:
  schedule: '* * * * *'
  successfulJobsHistoryLimit: 3 #指定应保留多少已完成作业
  failedJobsHistoryLimit: 1 #指定应保留多少失败作业
  concurrencyPolicy: Allow
  suspend: false
  jobTemplate:
    metadata:
      creationTimestamp: null
    spec:
      template:
        metadata:
          creationTimestamp: null
        spec:
          containers:
            - name: hello
              image: busybox
              args:
                - /bin/sh
                - '-c'
                - date; echo Hello from the Kubernetes cluster
              resources: {}
              imagePullPolicy: Always
          restartPolicy: OnFailure
          terminationGracePeriodSeconds: 30