Kubernetes Cronjob Scheduling Guide

Schedule Cronjobs in Kubernetes

Tasks

• Create a cronjob named xfusion.

• Set its schedule to something like */7 * * * *. You can set any schedule for now.

• Name the container cron-xfusion.

• Utilize the httpd image with latest tag (specify as httpd:latest).

• Execute the dummy command echo Welcome to xfusioncorp!.

• Ensure the restart policy is OnFailure.

Steps

1. Create a manifest file cronjob.yaml using given details.

    apiVersion: batch/v1
    kind: CronJob
    metadata:
      name: xfusion
    spec:
      schedule: "*/7 * * * *"
      jobTemplate:
        spec:
          template:
            spec:
              restartPolicy: OnFailure
              containers:
                - name: cron-xfusion
                  image: httpd:latest
                  command: ["echo", "Welcome to xfusioncorp!"]

    cat <<EOF > cronjob.yaml
    apiVersion: batch/v1
    kind: CronJob
    metadata:
      name: xfusion
    spec:
      schedule: "*/7 * * * *"
      jobTemplate:
        spec:
          template:
            spec:
              restartPolicy: OnFailure
              containers:
                - name: cron-xfusion
                  image: httpd:latest
                  command: ["echo", "Welcome to xfusioncorp!"]
    EOF

   
2. Now apply the yaml manifest file.

    k apply -f cronjob.yaml

   

   • We can also use kubectl apply -f cronjob.yaml too.

3. Let’s get the result.

     k get cronjob -o wide

   
4. Describe the cronjob now.

    k describe cronjob

   

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