在Kubernetes集群中创建CronJob运行自动化任务

创建一个Cron作业

kubectl create -f https://raw.githubusercontent.com/kubernetes/website/master/content/en/examples/application/job/cronjob.yaml

apiVersion: batch/v1beta1
kind: CronJob
metadata:
  name: hello
spec:
  schedule: "*/1 * * * *"
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: hello
            image: busybox
            args:
            - /bin/sh
            - -c
            - date; echo Hello from the Kubernetes cluster
          restartPolicy: OnFailure

或者通过kubectl run方式创建

kubectl run hello --schedule="*/1 * * * *" --restart=OnFailure --image=busybox -- /bin/sh -c "date; echo Hello from the Kubernetes cluster"

查看cronjob状态及结果

kubectl get cronjob hello
kubectl get jobs --watch

删除Cron作业

kubectl delete cronjob hello

参考文档：
https://kubernetes.io/docs/tasks/job/automated-tasks-with-cron-jobs/