k8s cronjob设置作业失败后退出不重复执行

Optional parameters

backoffLimit: Number of retries for pods launched by the job. If you want your pods to never restart, you need to set it at 0. However due to some issuewhere pod can’t be restarted beyond backoffLimit it’s better, if you use “restartPolicy : Never”.

 

Here is a more detailed cronjob example with most of the parameters:

apiVersion: batch/v1beta1
kind: CronJob
metadata:
  name: test
spec:
  schedule: "30 16,17,18,19 * * *"
  concurrencyPolicy: "Forbid"
  failedJobsHistoryLimit: 10
  startingDeadlineSeconds: 600 # 10 min
  jobTemplate:
    spec:
      backoffLimit: 0
      activeDeadlineSeconds: 3300 # 55min
      template:
        spec:
          containers:
            - name: hello
              image: python:3.6-slim
              command: ["python"]
              args: ["/usr/src/app/job_offers.py"]
          restartPolicy: Never

　　

实例配置：

kubectl get  cronjob  job-2528049150-app-v1-0   -n data-infra -o yaml
**********
spec:
  concurrencyPolicy: Allow
  failedJobsHistoryLimit: 10
  jobTemplate:
    metadata:
      annotations:
        helm.sh/namespace: data-infra
        helm.sh/path: app
        helm.sh/release: job-2528049150
      creationTimestamp: null
      labels:
        controller.caicloud.io/chart: app
        controller.caicloud.io/release: job-2528049150
    spec:
      activeDeadlineSeconds: 36000
      backoffLimit: 0
      completions: 1
      parallelism: 1
      template:
        metadata:
          annotations:
            helm.sh/namespace: data-infra
            helm.sh/path: app
            helm.sh/release: job-2528049150
          creationTimestamp: null
          labels:
            controller.caicloud.io/chart: app
            controller.caicloud.io/name: job-2528049150-app-v1-0
            controller.caicloud.io/release: job-2528049150
        spec:
          containers:
          - command:
            - python
            - -m
            - fashion_bi.FbMainServer
            env:
            - name: POD_NAMESPACE
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: metadata.namespace
            - name: POD_NAME
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: metadata.name
            - name: POD_IP
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: status.podIP
            - name: NODE_NAME
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: spec.nodeName
            - name: SERVING_TYPE
              value: ins
            image: cargo.caicloudprivatetest.com/data-infra_pro/fb_main_server:3.7
            imagePullPolicy: Always
            name: c0
            resources:
              limits:
                cpu: "2"
                memory: 4Gi
              requests:
                cpu: 250m
                memory: 512Mi
            securityContext:
              privileged: false
            terminationMessagePath: /dev/termination-log
            terminationMessagePolicy: File
          dnsPolicy: ClusterFirst
          restartPolicy: Never
          schedulerName: default-scheduler
          securityContext: {}
          terminationGracePeriodSeconds: 30
  schedule: 00 21 * * *
  successfulJobsHistoryLimit: 10
  suspend: false
status:
  lastScheduleTime: 2019-04-25T21:00:00Z