k8s集群移除node

先drain节点上的pod

使用kubectl drain node03 --delete-local-data --force --ignore-daemonsets

之后删除node

[root@master01 ~]# kg node
NAME       STATUS   ROLES    AGE   VERSION
master01   Ready    master   97d   v1.18.2
master02   Ready    master   97d   v1.18.2
master03   Ready    master   97d   v1.18.2
node01     Ready    <none>   97d   v1.18.2
node02     Ready    <none>   92d   v1.18.2
node03     Ready    <none>   91d   v1.18.2
[root@master01 ~]# kubectl drain node03 --delete-local-data --force --ignore-daemonsets
node/node03 cordoned
WARNING: ignoring DaemonSet-managed Pods: kube-system/calico-node-vv7nj, kube-system/kube-proxy-gtg5v
evicting pod default/my-test01-68c4c897cb-hl2np
pod/my-test01-68c4c897cb-hl2np evicted
node/node03 evicted
[root@master01 ~]# kubectl get nodes
NAME       STATUS                     ROLES    AGE   VERSION
master01   Ready                      master   97d   v1.18.2
master02   Ready                      master   97d   v1.18.2
master03   Ready                      master   97d   v1.18.2
node01     Ready                      <none>   97d   v1.18.2
node02     Ready                      <none>   92d   v1.18.2
node03     Ready,SchedulingDisabled   <none>   91d   v1.18.2
[root@master01 ~]# kubectl delete node node03
node "node03" deleted
[root@master01 ~]# kubectl get nodes
NAME       STATUS   ROLES    AGE   VERSION
master01   Ready    master   97d   v1.18.2
master02   Ready    master   97d   v1.18.2
master03   Ready    master   97d   v1.18.2
node01     Ready    <none>   97d   v1.18.2
node02     Ready    <none>   92d   v1.18.2
[root@master01 ~]#