K8S 任务调度CronJob

添加任务调试测试的test-centos-cronjob.yaml
这里我们做一个测试，每小时的20分，自动拉起一个centos容器，执行打印100行的命令，然后退出。

kind: CronJob
apiVersion: batch/v1beta1
metadata:
  name: test-centos-cronjob
  namespace: test   
  labels:
    app: test-centos-cronjob
spec:
  schedule: 20 * * * *
  concurrencyPolicy: Allow
  suspend: false
  jobTemplate:
    metadata:     
      labels:
        app: test-centos-cronjob
    spec:
      parallelism: 1
      completions: 1
      activeDeadlineSeconds: 30
      backoffLimit: 6
      template:
        metadata:          
          labels:
            app: test-centos-cronjob
        spec:
          containers:
            - name: test-centos-cronjob
              image: '10.41.10.81:5000/centos'
              command:
                - /bin/sh
              args: ["-c","for i in $(seq 0 100); do echo hello$i;done;"]               
              imagePullPolicy: IfNotPresent
              securityContext:
                privileged: true
          restartPolicy: Never  
          schedulerName: default-scheduler
  successfulJobsHistoryLimit: 3
  failedJobsHistoryLimit: 3
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使其生效

kubectl apply -f test-centos-cronjob.yaml
kubectl get cronjob #查看一下效果
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查看有哪个Job执行了

查看一下这个job的情况，找一下pod

看下这个pod的日志