本文记录了kubernetes1.5.2升级到kubernetes1.10一些主要的设定修改。
版本
| 项目 |
升级前版本 |
目标版本 |
| kubernetes |
1.5.2 |
1.10 |
| docker |
1.12 |
17.12 |
| etcd |
3.0 |
3.3 |
升级方式
二进制替换之后修改systemd相关选项
docker设定
| 项目 |
说明 |
| 对象文件 |
docker.service |
| exec-opt选项删除 |
–exec-opt native.cgroupdriver=systemd删除 |
api-server设定
| 项目 |
说明 |
| 对象文件 |
kube-apiserver.service |
| 修改admission-control选项 |
改为enable-admission-plugins |
kubelet设定
| 项目 |
说明 |
| 对象文件 |
kubelet.service |
| 修改选项 |
改为–kubeconfig=/etc/kubernetes/kubeconfig |
| 删除cgroup-driver选项 |
cgroup-driver删除：–cgroup-driver=systemd |
| 添加fail-swap-on选项 |
–fail-swap-on=false |
/etc/kubernetes/kubeconfig内容：
[root@host124 ~]# cat /etc/kubernetes/kubeconfig
apiVersion: v1
kind: Config
users: []
preferences: {}
clusters:
- name: default
cluster:
server: http://192.168.163.121:8080
contexts:
- context:
cluster: default
user: “”
name: default
current-context: default
[root@host124 ~]#
结果确认
版本确认
[root@host121 ~]# kubectl version
Client Version: version.Info{Major:"1", Minor:"10", GitVersion:"v1.10.0", GitCommit:"fc32d2f3698e36b93322a3465f63a14e9f0eaead", GitTreeState:"clean", BuildDate:"2018-03-26T16:55:54Z", GoVersion:"go1.9.3", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"10", GitVersion:"v1.10.0", GitCommit:"fc32d2f3698e36b93322a3465f63a14e9f0eaead", GitTreeState:"clean", BuildDate:"2018-03-26T16:44:10Z", GoVersion:"go1.9.3", Compiler:"gc", Platform:"linux/amd64"}
[root@host121 ~]#
构成确认
[root@host121 ~]# kubectl get node -o wide
NAME STATUS ROLES AGE VERSION EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME
192.168.163.122 Ready <none> 11h v1.10.0 <none> CentOS Linux 7 (Core) 3.10.0-693.el7.x86_64 docker://17.12.0-ce
192.168.163.123 Ready <none> 11h v1.10.0 <none> CentOS Linux 7 (Core) 3.10.0-693.el7.x86_64 docker://17.12.0-ce
192.168.163.124 Ready <none> 11h v1.10.0 <none> CentOS Linux 7 (Core) 3.10.0-693.el7.x86_64 docker://17.12.0-ce
[root@host121 ~]#