查询标签

[root@master tls]# kd pod nginx-deploy  | grep '^Labels'
Error from server (NotFound): pods "pod" not found
Labels:       run=nginx-deploy
[root@master tls]# kubectl  get pods  nginx-deploy --show-labels
NAME           READY   STATUS    RESTARTS   AGE    LABELS
nginx-deploy   1/1     Running   1          115d   run=nginx-deploy

增加标签

[root@master tls]# kubectl label  pod nginx-deploy app=nginx
pod/nginx-deploy labeled
[root@master tls]# kg pods nginx-deploy --show-labels
NAME           READY   STATUS    RESTARTS   AGE    LABELS
nginx-deploy   1/1     Running   1          115d   app=nginx,run=nginx-deploy

删除标签

[root@master ~]# kubectl  label pod nginx-deploy app-
pod/nginx-deploy labeled
[root@master ~]# kg pods nginx-deploy --show-labels
NAME           READY   STATUS    RESTARTS   AGE    LABELS
nginx-deploy   1/1     Running   1          115d   run=nginx-deploy

修改标签

[root@master ~]# kubectl  label pod nginx-deploy app=test1 --overwrite
pod/nginx-deploy labeled
[root@master ~]# kg pods nginx-deploy --show-labels
NAME           READY   STATUS    RESTARTS   AGE    LABELS
nginx-deploy   1/1     Running   1          115d   app=test1,run=nginx-deploy