apiVersion: batch/v1
kind: CronJob
metadata:
name: hello
spec:
schedule: "*/1 * * * *"
jobTemplate:
spec:
template:
spec:
containers:
- name: hello
image: busybox
imagePullPolicy: IfNotPresent
command:
- /bin/sh
- -c
- date; echo Hello from the Kubernetes cluster
restartPolicy: OnFailure
$ kubectl create -f cronjob.yaml
cronjob "hello" created
kubectl run hello --schedule="*/1 * * * *" --restart=OnFailure --image=busybox -- /bin/sh -c "date; echo Hello from the Kubernetes cluster"
$ kubectl get cronjob
NAME SCHEDULE SUSPEND ACTIVE LAST-SCHEDULE
hello */1 * * * * False 0 <none>
$ kubectl get jobs
NAME DESIRED SUCCESSFUL AGE
hello-1202039034 1 1 49s
$ pods=$(kubectl get pods --selector=job-name=hello-1202039034 --output=jsonpath={.items..metadata.name} -a)
$ kubectl logs $pods
Mon Aug 29 21:34:09 UTC 2016
Hello from the Kubernetes cluster
# 删除 cronjob 的时候会删除它创建的 job 和 pod，并停止正在创建的 job
$ kubectl delete cronjob hello
cronjob "hello" deleted
