Job 与 CronJob 批处理任务

apiVersion: batch/v1
kind: Job
metadata:
  name: data-migrate
spec:
  completions: 1
  backoffLimit: 3          # 失败最多重试 3 次
  activeDeadlineSeconds: 600   # 整体超时 10 分钟
  template:
    spec:
      restartPolicy: Never     # Job 只能用 Never 或 OnFailure
      containers:
        - name: migrate
          image: myapp:migrate
          command: ["python", "migrate.py"]

apiVersion: batch/v1
kind: CronJob
metadata:
  name: nightly-report
spec:
  schedule: "0 2 * * *"    # 每天凌晨 2 点
  concurrencyPolicy: Forbid   # 上一次没跑完则跳过本次
  successfulJobsHistoryLimit: 3
  jobTemplate:
    spec:
      template:
        spec:
          restartPolicy: OnFailure
          containers:
            - name: report
              image: myapp:report
              command: ["python", "report.py"]

kubectl get jobs
kubectl get cronjob
kubectl logs job/data-migrate