​​​​​原始command-job文件

• apiVersion: batch/v1
  kind: Job
  metadata:
    name: command-job
  spec:
    template:
      spec:
        containers:
        - name: command-job
          image: busybox
          command: ["/bin/sh","-c","sleep 100;echo 'job one'"]
        restartPolicy: Never

• 将kubernetes 中的已知job或pod的yaml配置文件导出

• kubectl get job -n命名空间 job名 -o yaml >expory_job.yaml
  eg: kubectl  get job -n default command-job -o yaml  >export_cmd.yaml

  导出的yaml内容

• apiVersion: batch/v1
  kind: Job
  metadata:
    annotations:
      kubectl.kubernetes.io/last-applied-configuration: |
        {"apiVersion":"batch/v1","kind":"Job","metadata":{"annotations":{},"name":"command-job","namespace":"default"},"spec":{"backoffLimit":6,"completionMode":"NonIndexed","completions":1,"parallelism":1,"suspend":false,"template":{"metadata":{"creationTimestamp":null,"labels":{"job-name":"command-job"}},"spec":{"containers":[{"command":["/bin/sh","-c","sleep 100;echo 'job one'"],"image":"busybox","imagePullPolicy":"Always","name":"command-job","resources":{},"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File"}],"dnsPolicy":"ClusterFirst","restartPolicy":"Never","schedulerName":"default-scheduler","securityContext":{},"terminationGracePeriodSeconds":30}}}}
    creationTimestamp: "2023-03-31T12:57:31Z"
    generation: 1
    labels:
      controller-uid: fe93eb9a-374d-46f4-be7b-5d180d373925
      job-name: command-job
    name: command-job
    namespace: default
    resourceVersion: "156649"
    uid: fe93eb9a-374d-46f4-be7b-5d180d373925
  spec:
    backoffLimit: 6
    completionMode: NonIndexed
    completions: 1
    parallelism: 1
    selector:
      matchLabels:
        controller-uid: fe93eb9a-374d-46f4-be7b-5d180d373925
    suspend: false
    template:
      metadata:
        creationTimestamp: null
        labels:
          controller-uid: fe93eb9a-374d-46f4-be7b-5d180d373925
          job-name: command-job
      spec:
        containers:
        - command:
          - /bin/sh
          - -c
          - sleep 100;echo 'job one'
          image: busybox
          imagePullPolicy: Always
          name: command-job
          resources: {}
          terminationMessagePath: /dev/termination-log
          terminationMessagePolicy: File
        dnsPolicy: ClusterFirst
        restartPolicy: Never
        schedulerName: default-scheduler
        securityContext: {}
        terminationGracePeriodSeconds: 30
  status:
    completionTime: "2023-03-31T12:59:33Z"
    conditions:
    - lastProbeTime: "2023-03-31T12:59:33Z"
      lastTransitionTime: "2023-03-31T12:59:33Z"
      status: "True"
      type: Complete
    ready: 0
    startTime: "2023-03-31T12:57:31Z"
    succeeded: 1

• 删除后的yaml

• apiVersion: batch/v1
  kind: Job
  metadata:
    annotations:
      kubectl.kubernetes.io/last-applied-configuration: |
        {"apiVersion":"batch/v1","kind":"Job","metadata":{"annotations":{},"name":"command-job","namespace":"default"},"spec":{"backoffLimit":6,"completionMode":"NonIndexed","completions":1,"parallelism":1,"suspend":false,"template":{"metadata":{"creationTimestamp":null,"labels":{"job-name":"command-job"}},"spec":{"containers":[{"command":["/bin/sh","-c","sleep 100;echo 'job one'"],"image":"busybox","imagePullPolicy":"Always","name":"command-job","resources":{},"terminationMessagePath":"/dev/termination-log","terminationMessagePolicy":"File"}],"dnsPolicy":"ClusterFirst","restartPolicy":"Never","schedulerName":"default-scheduler","securityContext":{},"terminationGracePeriodSeconds":30}}}}
    generation: 1
    name: command-job
    namespace: default
    resourceVersion: "156649"
  spec:
    backoffLimit: 6
    completionMode: NonIndexed
    completions: 1
    parallelism: 1
    suspend: false
    template:
      spec:
        containers:
        - command:
          - /bin/sh
          - -c
          - sleep 100;echo 'job one'
          image: busybox
          imagePullPolicy: Always
          name: command-job
          resources: {}
          terminationMessagePath: /dev/termination-log
          terminationMessagePolicy: File
        dnsPolicy: ClusterFirst
        restartPolicy: Never
        schedulerName: default-scheduler
        securityContext: {}
        terminationGracePeriodSeconds: 30

  运行处理后的job

• kubectl apply -f xxxx.yaml