1. 查看role标签

 [root@master01 ~]# kubectl  get nodes
NAME       STATUS   ROLES                  AGE    VERSION
master01   Ready    control-plane,master   150d   v1.22.2
node1      Ready    <none>                 150d   v1.22.2
node2      Ready    <none>                 150d   v1.22.2

2. 修改role标签

[root@master01 ~]# kubectl  label node  node1 node-role.kubernetes.io/worker=
node/node1 labeled
[root@master01 ~]# kubectl  get nodes
NAME       STATUS   ROLES                  AGE    VERSION
master01   Ready    control-plane,master   150d   v1.22.2
node1      Ready    worker                 150d   v1.22.2
node2      Ready    <none>                 150d   v1.22.2
[root@master01 ~]# kubectl  label node  node2 node-role.kubernetes.io/worker=
node/node2 labeled
[root@master01 ~]# kubectl  get nodes
NAME       STATUS   ROLES                  AGE    VERSION
master01   Ready    control-plane,master   150d   v1.22.2
node1      Ready    worker                 150d   v1.22.2
node2      Ready    worker                 150d   v1.22.2