kubeasz工具增刪master與node
添加mater節點
當前節點
[root@master1 kubeasz]# ./ezctl add-master k8s-cluster1 192.168.181.112
集群名稱 新增的masterIP
增加node節點
[root@master1 kubeasz]# ./ezctl add-node k8s-cluster1 192.168.181.142
刪除node節點
[root@master1 kubeasz]# ./ezctl del-node k8s-cluster1 192.168.181.142
查看節點信息
手動刪除matser與node節點
先驅逐，再刪除node
手動強制驅逐node節點
[root@master1 kubeasz]# kubectl drain 192.168.181.142 --ignore-daemonsets --delete-emptydir-data
忽略數據 日志、臨時文件刪除
[root@master1 kubeasz]# kubectl delete node 192.168.181.142
集群升級
haproxy配置文件，升級節點前先暫停數據往該升級節點寫入，因此注釋需要升級的節點配置
[root@ha1 ~]# systemctl reload haproxy.service
暫停master3的服務
[root@master3 ~]#systemctl stop kube-apiserver.service kube-controller-manager kubelet kube-proxy.service kube-scheduler.service
每個node節點都要執行
[root@node2 ~]# vim /etc/kube-lb/conf/kube-lb.conf
[root@node2 ~]# systemctl restart kubee--lb
master1上的新版本的二進制包拷貝到master3，替換master3 /usr/bin里的文件
[root@master1 bin]# scp -r kube-apiserver kube-controller-manager kubectl kubelet kube-scheduler 192.168.181.112:/usr/bin/
拷貝完后啟動master3的服務
[root@master3 ~]# systemctl start kube-apiserver.service kube-controller-manager kubelet kube-proxy.service kube-scheduler.service
master3升級成功
master1和master2同理，暫停服務
[root@master1 ~]##systemctl stop kube-apiserver.service kube-controller-manager kubelet kube-proxy.service kube-scheduler.service
[root@master2 ~]# systemctl stop kube-apiserver.service kube-controller-manager kubelet kube-proxy.service kube-scheduler.service
haroxy配置文件注釋
[root@ha1 ~]# systemctl reload haproxy.service
所有node節點執行
[root@node2 ~]# vim /etc/kube-lb/conf/kube-lb.conf
[root@node2 ~]# systemctl restart kubee--lb
拷貝新版本的二進制文件到master1和master的/usr/bin
啟動服務
[root@master1 ~]# systemctl start kube-apiserver.service kube-controller-manager kubelet kube-proxy.service kube-scheduler.service
[root@master2 ~]# systemctl start kube-apiserver.service kube-controller-manager kubelet kube-proxy.service kube-scheduler.service
所有master節點由v1.22.2版本升級到v1.22.5
負載均衡器配置文件去掉之前的注釋
[root@ha1 ~]# systemctl reload haproxy.service
至此master節點升級完成
node節點和kube-proxy升級
[root@node1 ~]# systemctl stop kubectl kubele kube-proxy
[root@node2 ~]# systemctl stop kubectl kubele kube-proxy
[root@node3 ~]# systemctl stop kubectl kubele kube-proxy
master1
#cd /usr/bin
[root@master1 bin]# scp -r kubelet kubectl kube-proxy 192.168.181.140:/usr/bin/
[root@master1 bin]# scp -r kubelet kubectl kube-proxy 192.168.181.141:/usr/bin/
[root@master1 bin]# scp -r kubelet kubectl kube-proxy 192.168.181.142:/usr/bin/
node節點
[root@node1 ~]# systemctl start kubelet kube-proxy.service
[root@node2 ~]# systemctl start kubelet kube-proxy.service
[root@node3 ~]# systemctl start kubelet kube-proxy.service
升級完成
