Kubernetes版本升级

　　Kubernetes版本从1.13.4升级至1.17.4

　　下载新版二进制包下载地址https://github.com/kubernetes/kubernetes/tree/master/CHANGELOG

　　本次下载1.17.4

　　选择服务器包

Kubernetes版本升级

　　解压

tar -xf kubernetes-server-linux-amd64.tar.gz

　　master更新以下几个二进制包

 cd server/bin/
 cp kube-apiserver kube-scheduler kube-controller-manager kubectl /opt/kubernetes/bin/

　　node端更新以下几个二进制包

cp kubelet kube-proxy /opt/kubernetes/bin/

　　master重启

systemctl restart kube-apiserver
systemctl restart kube-scheduler
systemctl restart kube-controller-manager

　　node重启

systemctl restart kubelet
systemctl restart kube-proxy

　　查看，版本升级为1.17.4了

# kubectl version
Client Version: version.Info{Major:"1", Minor:"17", GitVersion:"v1.17.4", GitCommit:"8d8aa39598534325ad77120c120a22b3a990b5ea", GitTreeState:"clean", BuildDate:"2020-03-12T21:03:42Z", GoVersion:"go1.13.8", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"17", GitVersion:"v1.17.4", GitCommit:"8d8aa39598534325ad77120c120a22b3a990b5ea", GitTreeState:"clean", BuildDate:"2020-03-12T20:55:23Z", GoVersion:"go1.13.8", Compiler:"gc", Platform:"linux/amd64"}