apiVersion: batch/v1
kind: CronJob
metadata:
  name: node-backup-job
  namespace: backup-system
spec:
  # 每天凌晨2点运行
  schedule: "0 2 * * *"
  concurrencyPolicy: Forbid
  jobTemplate:
    spec:
      ttlSecondsAfterFinished: 86400  # 1天后删除已完成的任务
      template:
        spec:
          serviceAccountName: backup-service-account
          nodeSelector:
            #kubernetes.io/hostname: "vkvm-us1"
            region: us
          containers:
          - name: backup-trigger
            image: bitnami/kubectl:latest
            command:
            - /bin/sh
            - -c
            - |
              # 创建触发文件到所有备份 Pod 中
              for pod in $(kubectl get pods -n backup-system -l app=node-backup -o jsonpath='{.items[*].metadata.name}'); do
                echo "触发 Pod $pod 执行备份"
                sleep 60
                kubectl exec $pod -n backup-system -- touch /tmp/backup-triggered
              done
              echo "所有节点备份已触发"
          restartPolicy: OnFailure