songtianlun
437ce63585
- Introduce a sleep command before triggering backup for each pod - This change prevents simultaneous execution of backup tasks - Ensures system stability by spreading out resource usage during backups
34 lines
1.0 KiB
YAML
34 lines
1.0 KiB
YAML
apiVersion: batch/v1
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kind: CronJob
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metadata:
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name: node-backup-job
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namespace: backup-system
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spec:
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# 每天凌晨2点运行
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schedule: "0 2 * * *"
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concurrencyPolicy: Forbid
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jobTemplate:
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spec:
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ttlSecondsAfterFinished: 86400 # 1天后删除已完成的任务
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template:
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spec:
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serviceAccountName: backup-service-account
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nodeSelector:
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#kubernetes.io/hostname: "vkvm-us1"
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region: us
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containers:
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- name: backup-trigger
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image: bitnami/kubectl:latest
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command:
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- /bin/sh
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- -c
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- |
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# 创建触发文件到所有备份 Pod 中
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for pod in $(kubectl get pods -n backup-system -l app=node-backup -o jsonpath='{.items[*].metadata.name}'); do
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echo "触发 Pod $pod 执行备份"
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sleep 60
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kubectl exec $pod -n backup-system -- touch /tmp/backup-triggered
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done
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echo "所有节点备份已触发"
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restartPolicy: OnFailure
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