apiVersion: batch/v1beta1kind: CronJobmetadata: name: elasticsearch namespace: elasticsearch labels:   app.kubernetes.io/name: elasticsearchspec:  successfulJobsHistoryLimit: 10  failedJobsHistoryLimit: 10  concurrencyPolicy: Forbid #禁止并发运行  schedule: "* * * * *"  jobTemplate: #运行一个job    spec:      template:        metadata:          name: del-es-index-cronjob        spec:          restartPolicy: OnFailure          containers:          - name: curl-es            image: harbor.xxxx.com/base_image/alpine-date-curl            command:            - "/bin/sh"            - "-c"            - >              curl -X DELETE http://elasticsearch:9200/*`date +%Y.%m.%d -d "-7 days"`?pretty

 

查看cronjob

$ kubectl get cronjob -n elasticsearchNAME            SCHEDULE    SUSPEND   ACTIVE   LAST SCHEDULE   AGEelasticsearch   * * * * *   False     0        
     
                11s
     

　　

查看运行的jobs

$ kubectl get jobs -n elasticsearchNAME                       DESIRED   SUCCESSFUL   AGEelasticsearch-1552553820   1         1            2melasticsearch-1552553880   1         1            1melasticsearch-1552553940   1         1            46s

　　

查看jobs执行的情况

$ pods=$(kubectl get pods --selector=job-name=elasticsearch-1552553820  --output=jsonpath={.items..metadata.name} -n elasticsearch)$ echo $podselasticsearch-1552553820-6cb4r$ kubectl logs elasticsearch-1552553820-6cb4r -n elasticsearch  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current                                 Dload  Upload   Total   Spent    Left  Speed{  "acknowledged" : true}100    28  100    28    0     0     10      0  0:00:02  0:00:02 --:--:--    10