RKE K8S 集群增删节点

rke 删除节点：

修改cluster.yal 将需要删除的节点配置删除，然后运行

[root@cnvs-kubm-101-103 rke]# more cluster.ymlnodes:  - address: 172.20.101.103    user: ptmind    role: [controlplane,worker,etcd]  - address: 172.20.101.104    user: ptmind    role: [controlplane,worker,etcd]  - address: 172.20.101.105    user: ptmind    role: [controlplane,worker,etcd]删除#  - address: 172.20.101.106删除#    user: ptmind删除#    role: [worker]删除#    labels: {traefik: traefik-outer}

执行删除节点操作

rke up --update-only

查看输出信息：

INFO[0010] [reconcile] Check etcd hosts to be deleted   INFO[0010] [reconcile] Check etcd hosts to be added     INFO[0010] [hosts] Cordoning host [172.20.101.106]      INFO[0010] [hosts] Deleting host [172.20.101.106] from the cluster INFO[0010] [hosts] Successfully deleted host [172.20.101.106] from the cluster INFO[0010] [dialer] Setup tunnel for host [172.20.101.106] INFO[0011] [worker] Tearing down Worker Plane..         INFO[0011] [remove/kubelet] Successfully removed container on host [172.20.101.106] INFO[0011] [remove/kube-proxy] Successfully removed container on host [172.20.101.106] INFO[0011] [remove/nginx-proxy] Successfully removed container on host [172.20.101.106] INFO[0011] [remove/service-sidekick] Successfully removed container on host [172.20.101.106] INFO[0011] [worker] Successfully tore down Worker Plane.. INFO[0011] [hosts] Cleaning up host [172.20.101.106]    INFO[0011] [hosts] Running cleaner container on host [172.20.101.106] INFO[0012] [kube-cleaner] Successfully started [kube-cleaner] container on host [172.20.101.106] INFO[0012] Waiting for [kube-cleaner] container to exit on host [172.20.101.106] INFO[0012] Container [kube-cleaner] is still running on host [172.20.101.106] INFO[0013] Waiting for [kube-cleaner] container to exit on host [172.20.101.106] INFO[0013] [hosts] Removing cleaner container on host [172.20.101.106] INFO[0013] [hosts] Removing dead container logs on host [172.20.101.106] INFO[0014] [cleanup] Successfully started [rke-log-cleaner] container on host [172.20.101.106] INFO[0014] [remove/rke-log-cleaner] Successfully removed container on host [172.20.101.106] INFO[0014] [hosts] Successfully cleaned up host [172.20.101.106

添加节点：

修改cluster.yal 将需要添加的节点配置，然后运行

[root@cnvs-kubm-101-103 rke]# more cluster.ymlnodes:  - address: 172.20.101.103    user: ptmind    role: [controlplane,worker,etcd]  - address: 172.20.101.104    user: ptmind    role: [controlplane,worker,etcd]  - address: 172.20.101.105    user: ptmind    role: [controlplane,worker,etcd]  - address: 172.20.101.106    user: ptmind    role: [worker]    labels: {traefik: traefik-outer}

执行添加节点操作

rke up --update-only

查看输出信息：

INFO[0025] [worker] Building up Worker Plane..          INFO[0025] [worker] Successfully started [nginx-proxy] container on host [172.20.101.106] INFO[0026] [worker] Successfully started [rke-log-linker] container on host [172.20.101.106] INFO[0026] [remove/rke-log-linker] Successfully removed container on host [172.20.101.106] INFO[0027] [worker] Successfully started [kubelet] container on host [172.20.101.106] INFO[0027] [healthcheck] Start Healthcheck on service [kubelet] on host [172.20.101.106] INFO[0032] [healthcheck] service [kubelet] on host [172.20.101.106] is healthy INFO[0032] [worker] Successfully started [rke-log-linker] container on host [172.20.101.106] INFO[0033] [remove/rke-log-linker] Successfully removed container on host [172.20.101.106] INFO[0033] [worker] Successfully started [kube-proxy] container on host [172.20.101.106] INFO[0033] [healthcheck] Start Healthcheck on service [kube-proxy] on host [172.20.101.106] INFO[0038] [healthcheck] service [kube-proxy] on host [172.20.101.106] is healthy INFO[0039] [worker] Successfully started [rke-log-linker] container on host [172.20.101.106] INFO[0039] [remove/rke-log-linker] Successfully removed container on host [172.20.101.106] INFO[0039] [worker] Successfully started Worker Plane..