如何在kubernetes中配置Master02

這篇文章為大家分享有關在kubernetes中配置Master02的方法。文章涵蓋Master02的配置和使用方法，希望大家通過這篇文章能有所收獲。

服務器角色分配

一、Master02配置

分隔符前的操作均在master01上進行

復制目錄到master02

復制kubernetes目錄到master02

[root@master k8s]# scp -r /opt/kubernetes/ root@192.168.142.120:/opt

復制etcd目錄到master02

master02一定要有etcd證書，否則apiserver服務無法啟動

[root@master k8s]# scp -r /opt/etcd/ root@192.168.142.120:/opt

復制服務啟動腳本

kube-apiserver.service kube-controller-manager.service kube-scheduler.service

[root@master k8s]# scp /usr/lib/systemd/system/{kube-apiserver,kube-controller-manager,kube-scheduler}.service root@192.168.142.120:/usr/lib/systemd/system/

修改服務腳本

實際上僅需要修改apiserver即可

[root@master02 k8s]# cd /opt/kubernetes/cfg/
[root@master02 cfg]# vim kube-apiserver
KUBE_APISERVER_OPTS="--logtostderr=true \
--v=4 \
--etcd-servers=https://192.168.142.220:2379,https://192.168.142.136:2379,https://192.168.142.132:2379 \
#注意地址更改
--bind-address=192.168.142.120 \
--secure-port=6443 \
#注意地址更改
--advertise-address=192.168.142.120 \
--allow-privileged=true \
--service-cluster-ip-range=10.0.0.0/24 \
--enable-admission-plugins=NamespaceLifecycle,LimitRanger,ServiceAccount,ResourceQuota,NodeRestriction \
--authorization-mode=RBAC,Node \
--kubelet-https=true \
--enable-bootstrap-token-auth \
--token-auth-file=/opt/kubernetes/cfg/token.csv \
--service-node-port-range=30000-50000 \
--tls-cert-file=/opt/kubernetes/ssl/server.pem  \
--tls-private-key-file=/opt/kubernetes/ssl/server-key.pem \
--client-ca-file=/opt/kubernetes/ssl/ca.pem \
--service-account-key-file=/opt/kubernetes/ssl/ca-key.pem \
--etcd-cafile=/opt/etcd/ssl/ca.pem \
--etcd-certfile=/opt/etcd/ssl/server.pem \
--etcd-keyfile=/opt/etcd/ssl/server-key.pem"

開啟服務

[root@master02 cfg]# systemctl start kube-apiserver.service 
[root@master02 cfg]# systemctl start kube-controller-manager.service 
[root@master02 cfg]# systemctl start kube-scheduler.service

結果驗證

//增加環境變量
[root@master02 cfg]# vim /etc/profile
//末尾添加
export PATH=$PATH:/opt/kubernetes/bin/
[root@master02 cfg]# source /etc/profile

//見到如下畫面即為成功
[root@master02 cfg]# kubectl get node
NAME              STATUS   ROLES    AGE     VERSION
192.168.142.132   Ready    <none>   2d12h   v1.12.3
192.168.142.136   Ready    <none>   38h     v1.12.3

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