Kubernetes版本升级到v1.18.0方法
2023-12-13 23:25:28
升级k8s版本才能使用kube-prometheus安装监控
1、查看集群状态
[root@k8s-master k8s-script]# kubectl get nodes
NAME STATUS ROLES AGE VERSION
k8s-master Ready master 5d22h v1.18.0
k8s-slave1 Ready <none> 4d10h v1.18.0
k8s-slave2 Ready <none> 4d10h v1.18.0
[root@k8s-master k8s-script]# kubectl get pods -n kube-system
NAME READY STATUS RESTARTS AGE
coredns-7ff77c879f-nzw77 1/1 Running 5 5d22h
coredns-7ff77c879f-x5gc9 1/1 Running 5 5d22h
dashboard-metrics-scraper-6b4884c9d5-8cxd8 1/1 Running 4 4d7h
etcd-k8s-master 1/1 Running 6 5d22h
kube-apiserver-k8s-master 1/1 Running 6 5d22h
kube-controller-manager-k8s-master 1/1 Running 7 5d22h
kube-proxy-8m9lq 1/1 Running 6 4d10h
kube-proxy-jr72q 1/1 Running 5 4d10h
kube-proxy-kv9n5 1/1 Running 6 5d22h
kube-scheduler-k8s-master 1/1 Running 7 5d22h
kubernetes-dashboard-c98496485-ch4lw 1/1 Running 4 4d7h
2、把master节点设置为不可调度
[root@k8s-master ~]# kubectl drain k8s-master --ignore-daemonsets --force
node/k8s-master already cordoned
WARNING: ignoring DaemonSet-managed Pods: kube-flannel/kube-flannel-ds-jpllk, kube-system/kube-proxy-kv9n5
evicting pod kube-system/coredns-7ff77c879f-nzw77
pod/coredns-7ff77c879f-nzw77 evicted
node/k8s-master evicted
3、把要升级的节点上的服务驱逐到别的节点上
[root@k8s-master ~]# # kubectl drain k8s-master --ignore-daemonsets --force
4、查看kueadm的所有版本
[root@k8s-master ~]# yum list kubeadm.x86_64 --showduplicates
已加载插件：fastestmirror, langpacks
Determining fastest mirrors
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
已安装的软件包
kubeadm.x86_64 1.18.0-0 @kubernetes
可安装的软件包
kubeadm.x86_64 1.6.0-0 kubernetes
kubeadm.x86_64 1.6.1-0 kubernetes
kubeadm.x86_64 1.6.2-0 kubernetes
kubeadm.x86_64 1.6.3-0 kubernetes
kubeadm.x86_64 1.6.4-0 kubernetes
kubeadm.x86_64 1.6.5-0 kubernetes
kubeadm.x86_64 1.6.6-0 kubernetes
kubeadm.x86_64 1.6.7-0 kubernetes
kubeadm.x86_64 1.6.8-0 kubernetes
kubeadm.x86_64 1.6.9-0 kubernetes
kubeadm.x86_64 1.6.10-0 kubernetes
kubeadm.x86_64 1.6.11-0 kubernetes
kubeadm.x86_64 1.6.12-0 kubernetes
kubeadm.x86_64 1.6.13-0 kubernetes
kubeadm.x86_64 1.7.0-0 kubernetes
kubeadm.x86_64 1.7.1-0 kubernetes
kubeadm.x86_64 1.7.2-0 kubernetes
kubeadm.x86_64 1.7.3-1 kubernetes
kubeadm.x86_64 1.7.4-0 kubernetes
kubeadm.x86_64 1.7.5-0 kubernetes
kubeadm.x86_64 1.7.6-1 kubernetes
kubeadm.x86_64 1.7.7-1 kubernetes
kubeadm.x86_64 1.7.8-1 kubernetes
kubeadm.x86_64 1.7.9-0 kubernetes
kubeadm.x86_64 1.7.10-0 kubernetes
kubeadm.x86_64 1.7.11-0 kubernetes
kubeadm.x86_64 1.7.14-0 kubernetes
kubeadm.x86_64 1.7.15-0 kubernetes
kubeadm.x86_64 1.7.16-0 kubernetes
kubeadm.x86_64 1.8.0-0 kubernetes
kubeadm.x86_64 1.8.0-1 kubernetes
kubeadm.x86_64 1.8.1-0 kubernetes
kubeadm.x86_64 1.8.2-0 kubernetes
kubeadm.x86_64 1.8.3-0 kubernetes
kubeadm.x86_64 1.8.4-0 kubernetes
kubeadm.x86_64 1.8.5-0 kubernetes
kubeadm.x86_64 1.8.6-0 kubernetes
kubeadm.x86_64 1.8.7-0 kubernetes
kubeadm.x86_64 1.8.8-0 kubernetes
kubeadm.x86_64 1.8.9-0 kubernetes
kubeadm.x86_64 1.8.10-0 kubernetes
kubeadm.x86_64 1.8.11-0 kubernetes
kubeadm.x86_64 1.8.12-0 kubernetes
kubeadm.x86_64 1.8.13-0 kubernetes
kubeadm.x86_64 1.8.14-0 kubernetes
kubeadm.x86_64 1.8.15-0 kubernetes
kubeadm.x86_64 1.9.0-0 kubernetes
kubeadm.x86_64 1.9.1-0 kubernetes
kubeadm.x86_64 1.9.2-0 kubernetes
kubeadm.x86_64 1.9.3-0 kubernetes
kubeadm.x86_64 1.9.4-0 kubernetes
kubeadm.x86_64 1.9.5-0 kubernetes
kubeadm.x86_64 1.9.6-0 kubernetes
kubeadm.x86_64 1.9.7-0 kubernetes
kubeadm.x86_64 1.9.8-0 kubernetes
kubeadm.x86_64 1.9.9-0 kubernetes
kubeadm.x86_64 1.9.10-0 kubernetes
kubeadm.x86_64 1.9.11-0 kubernetes
kubeadm.x86_64 1.10.0-0 kubernetes
kubeadm.x86_64 1.10.1-0 kubernetes
kubeadm.x86_64 1.10.2-0 kubernetes
kubeadm.x86_64 1.10.3-0 kubernetes
kubeadm.x86_64 1.10.4-0 kubernetes
kubeadm.x86_64 1.10.5-0 kubernetes
kubeadm.x86_64 1.10.6-0 kubernetes
kubeadm.x86_64 1.10.7-0 kubernetes
kubeadm.x86_64 1.10.8-0 kubernetes
kubeadm.x86_64 1.10.9-0 kubernetes
kubeadm.x86_64 1.10.10-0 kubernetes
kubeadm.x86_64 1.10.11-0 kubernetes
kubeadm.x86_64 1.10.12-0 kubernetes
kubeadm.x86_64 1.10.13-0 kubernetes
kubeadm.x86_64 1.11.0-0 kubernetes
kubeadm.x86_64 1.11.1-0 kubernetes
kubeadm.x86_64 1.11.2-0 kubernetes
kubeadm.x86_64 1.11.3-0 kubernetes
kubeadm.x86_64 1.11.4-0 kubernetes
kubeadm.x86_64 1.11.5-0 kubernetes
kubeadm.x86_64 1.11.6-0 kubernetes
kubeadm.x86_64 1.11.7-0 kubernetes
kubeadm.x86_64 1.11.8-0 kubernetes
kubeadm.x86_64 1.11.9-0 kubernetes
kubeadm.x86_64 1.11.10-0 kubernetes
kubeadm.x86_64 1.12.0-0 kubernetes
kubeadm.x86_64 1.12.1-0 kubernetes
kubeadm.x86_64 1.12.2-0 kubernetes
kubeadm.x86_64 1.12.3-0 kubernetes
kubeadm.x86_64 1.12.4-0 kubernetes
kubeadm.x86_64 1.12.5-0 kubernetes
kubeadm.x86_64 1.12.6-0 kubernetes
kubeadm.x86_64 1.12.7-0 kubernetes
kubeadm.x86_64 1.12.8-0 kubernetes
kubeadm.x86_64 1.12.9-0 kubernetes
kubeadm.x86_64 1.12.10-0 kubernetes
kubeadm.x86_64 1.13.0-0 kubernetes
kubeadm.x86_64 1.13.1-0 kubernetes
kubeadm.x86_64 1.13.2-0 kubernetes
kubeadm.x86_64 1.13.3-0 kubernetes
kubeadm.x86_64 1.13.4-0 kubernetes
kubeadm.x86_64 1.13.5-0 kubernetes
kubeadm.x86_64 1.13.6-0 kubernetes
kubeadm.x86_64 1.13.7-0 kubernetes
kubeadm.x86_64 1.13.8-0 kubernetes
kubeadm.x86_64 1.13.9-0 kubernetes
kubeadm.x86_64 1.13.10-0 kubernetes
kubeadm.x86_64 1.13.11-0 kubernetes
kubeadm.x86_64 1.13.12-0 kubernetes
kubeadm.x86_64 1.14.0-0 kubernetes
kubeadm.x86_64 1.14.1-0 kubernetes
kubeadm.x86_64 1.14.2-0 kubernetes
kubeadm.x86_64 1.14.3-0 kubernetes
kubeadm.x86_64 1.14.4-0 kubernetes
kubeadm.x86_64 1.14.5-0 kubernetes
kubeadm.x86_64 1.14.6-0 kubernetes
kubeadm.x86_64 1.14.7-0 kubernetes
kubeadm.x86_64 1.14.8-0 kubernetes
kubeadm.x86_64 1.14.9-0 kubernetes
kubeadm.x86_64 1.14.10-0 kubernetes
kubeadm.x86_64 1.15.0-0 kubernetes
kubeadm.x86_64 1.15.1-0 kubernetes
kubeadm.x86_64 1.15.2-0 kubernetes
kubeadm.x86_64 1.15.3-0 kubernetes
kubeadm.x86_64 1.15.4-0 kubernetes
kubeadm.x86_64 1.15.5-0 kubernetes
kubeadm.x86_64 1.15.6-0 kubernetes
kubeadm.x86_64 1.15.7-0 kubernetes
kubeadm.x86_64 1.15.8-0 kubernetes
kubeadm.x86_64 1.15.9-0 kubernetes
kubeadm.x86_64 1.15.10-0 kubernetes
kubeadm.x86_64 1.15.11-0 kubernetes
kubeadm.x86_64 1.15.12-0 kubernetes
kubeadm.x86_64 1.16.0-0 kubernetes
kubeadm.x86_64 1.16.1-0 kubernetes
kubeadm.x86_64 1.16.2-0 kubernetes
kubeadm.x86_64 1.16.3-0 kubernetes
kubeadm.x86_64 1.16.4-0 kubernetes
kubeadm.x86_64 1.16.5-0 kubernetes
kubeadm.x86_64 1.16.6-0 kubernetes
kubeadm.x86_64 1.16.7-0 kubernetes
kubeadm.x86_64 1.16.8-0 kubernetes
kubeadm.x86_64 1.16.9-0 kubernetes
kubeadm.x86_64 1.16.10-0 kubernetes
kubeadm.x86_64 1.16.11-0 kubernetes
kubeadm.x86_64 1.16.11-1 kubernetes
kubeadm.x86_64 1.16.12-0 kubernetes
kubeadm.x86_64 1.16.13-0 kubernetes
kubeadm.x86_64 1.16.14-0 kubernetes
kubeadm.x86_64 1.16.15-0 kubernetes
kubeadm.x86_64 1.17.0-0 kubernetes
kubeadm.x86_64 1.17.1-0 kubernetes
kubeadm.x86_64 1.17.2-0 kubernetes
kubeadm.x86_64 1.17.3-0 kubernetes
kubeadm.x86_64 1.17.4-0 kubernetes
kubeadm.x86_64 1.17.5-0 kubernetes
kubeadm.x86_64 1.17.6-0 kubernetes
kubeadm.x86_64 1.17.7-0 kubernetes
kubeadm.x86_64 1.17.7-1 kubernetes
kubeadm.x86_64 1.17.8-0 kubernetes
kubeadm.x86_64 1.17.9-0 kubernetes
kubeadm.x86_64 1.17.11-0 kubernetes
kubeadm.x86_64 1.17.12-0 kubernetes
kubeadm.x86_64 1.17.13-0 kubernetes
kubeadm.x86_64 1.17.14-0 kubernetes
kubeadm.x86_64 1.17.15-0 kubernetes
kubeadm.x86_64 1.17.16-0 kubernetes
kubeadm.x86_64 1.17.17-0 kubernetes
kubeadm.x86_64 1.18.0-0 kubernetes
kubeadm.x86_64 1.18.1-0 kubernetes
kubeadm.x86_64 1.18.2-0 kubernetes
kubeadm.x86_64 1.18.3-0 kubernetes
kubeadm.x86_64 1.18.4-0 kubernetes
kubeadm.x86_64 1.18.4-1 kubernetes
kubeadm.x86_64 1.18.5-0 kubernetes
kubeadm.x86_64 1.18.6-0 kubernetes
kubeadm.x86_64 1.18.8-0 kubernetes
kubeadm.x86_64 1.18.9-0 kubernetes
kubeadm.x86_64 1.18.10-0 kubernetes
kubeadm.x86_64 1.18.12-0 kubernetes
kubeadm.x86_64 1.18.13-0 kubernetes
kubeadm.x86_64 1.18.14-0 kubernetes
kubeadm.x86_64 1.18.15-0 kubernetes
kubeadm.x86_64 1.18.16-0 kubernetes
kubeadm.x86_64 1.18.17-0 kubernetes
kubeadm.x86_64 1.18.18-0 kubernetes
kubeadm.x86_64 1.18.19-0 kubernetes
kubeadm.x86_64 1.18.20-0 kubernetes
kubeadm.x86_64 1.19.0-0 kubernetes
kubeadm.x86_64 1.19.1-0 kubernetes
kubeadm.x86_64 1.19.2-0 kubernetes
kubeadm.x86_64 1.19.3-0 kubernetes
kubeadm.x86_64 1.19.4-0 kubernetes
kubeadm.x86_64 1.19.5-0 kubernetes
kubeadm.x86_64 1.19.6-0 kubernetes
kubeadm.x86_64 1.19.7-0 kubernetes
kubeadm.x86_64 1.19.8-0 kubernetes
kubeadm.x86_64 1.19.9-0 kubernetes
kubeadm.x86_64 1.19.10-0 kubernetes
kubeadm.x86_64 1.19.11-0 kubernetes
kubeadm.x86_64 1.19.12-0 kubernetes
kubeadm.x86_64 1.19.13-0 kubernetes
kubeadm.x86_64 1.19.14-0 kubernetes
kubeadm.x86_64 1.19.15-0 kubernetes
kubeadm.x86_64 1.19.16-0 kubernetes
kubeadm.x86_64 1.20.0-0 kubernetes
kubeadm.x86_64 1.20.1-0 kubernetes
kubeadm.x86_64 1.20.2-0 kubernetes
kubeadm.x86_64 1.20.4-0 kubernetes
kubeadm.x86_64 1.20.5-0 kubernetes
kubeadm.x86_64 1.20.6-0 kubernetes
kubeadm.x86_64 1.20.7-0 kubernetes
kubeadm.x86_64 1.20.8-0 kubernetes
kubeadm.x86_64 1.20.9-0 kubernetes
kubeadm.x86_64 1.20.10-0 kubernetes
kubeadm.x86_64 1.20.11-0 kubernetes
kubeadm.x86_64 1.20.12-0 kubernetes
kubeadm.x86_64 1.20.13-0 kubernetes
kubeadm.x86_64 1.20.14-0 kubernetes
kubeadm.x86_64 1.20.15-0 kubernetes
kubeadm.x86_64 1.21.0-0 kubernetes
kubeadm.x86_64 1.21.1-0 kubernetes
kubeadm.x86_64 1.21.2-0 kubernetes
kubeadm.x86_64 1.21.3-0 kubernetes
kubeadm.x86_64 1.21.4-0 kubernetes
kubeadm.x86_64 1.21.5-0 kubernetes
kubeadm.x86_64 1.21.6-0 kubernetes
kubeadm.x86_64 1.21.7-0 kubernetes
kubeadm.x86_64 1.21.8-0 kubernetes
kubeadm.x86_64 1.21.9-0 kubernetes
kubeadm.x86_64 1.21.10-0 kubernetes
kubeadm.x86_64 1.21.11-0 kubernetes
kubeadm.x86_64 1.21.12-0 kubernetes
kubeadm.x86_64 1.21.13-0 kubernetes
kubeadm.x86_64 1.21.14-0 kubernetes
kubeadm.x86_64 1.22.0-0 kubernetes
kubeadm.x86_64 1.22.1-0 kubernetes
kubeadm.x86_64 1.22.2-0 kubernetes
kubeadm.x86_64 1.22.3-0 kubernetes
kubeadm.x86_64 1.22.4-0 kubernetes
kubeadm.x86_64 1.22.5-0 kubernetes
kubeadm.x86_64 1.22.6-0 kubernetes
kubeadm.x86_64 1.22.7-0 kubernetes
kubeadm.x86_64 1.22.8-0 kubernetes
kubeadm.x86_64 1.22.9-0 kubernetes
kubeadm.x86_64 1.22.10-0 kubernetes
kubeadm.x86_64 1.22.11-0 kubernetes
kubeadm.x86_64 1.22.12-0 kubernetes
kubeadm.x86_64 1.22.13-0 kubernetes
kubeadm.x86_64 1.22.14-0 kubernetes
kubeadm.x86_64 1.22.15-0 kubernetes
kubeadm.x86_64 1.22.16-0 kubernetes
kubeadm.x86_64 1.22.17-0 kubernetes
kubeadm.x86_64 1.23.0-0 kubernetes
kubeadm.x86_64 1.23.1-0 kubernetes
kubeadm.x86_64 1.23.2-0 kubernetes
kubeadm.x86_64 1.23.3-0 kubernetes
kubeadm.x86_64 1.23.4-0 kubernetes
kubeadm.x86_64 1.23.5-0 kubernetes
kubeadm.x86_64 1.23.6-0 kubernetes
kubeadm.x86_64 1.23.7-0 kubernetes
kubeadm.x86_64 1.23.8-0 kubernetes
kubeadm.x86_64 1.23.9-0 kubernetes
kubeadm.x86_64 1.23.10-0 kubernetes
kubeadm.x86_64 1.23.11-0 kubernetes
kubeadm.x86_64 1.23.12-0 kubernetes
kubeadm.x86_64 1.23.13-0 kubernetes
kubeadm.x86_64 1.23.14-0 kubernetes
kubeadm.x86_64 1.23.15-0 kubernetes
kubeadm.x86_64 1.23.16-0 kubernetes
kubeadm.x86_64 1.23.17-0 kubernetes
kubeadm.x86_64 1.24.0-0 kubernetes
kubeadm.x86_64 1.24.1-0 kubernetes
kubeadm.x86_64 1.24.2-0 kubernetes
kubeadm.x86_64 1.24.3-0 kubernetes
kubeadm.x86_64 1.24.4-0 kubernetes
kubeadm.x86_64 1.24.5-0 kubernetes
kubeadm.x86_64 1.24.6-0 kubernetes
kubeadm.x86_64 1.24.7-0 kubernetes
kubeadm.x86_64 1.24.8-0 kubernetes
kubeadm.x86_64 1.24.9-0 kubernetes
kubeadm.x86_64 1.24.10-0 kubernetes
kubeadm.x86_64 1.24.11-0 kubernetes
kubeadm.x86_64 1.24.12-0 kubernetes
kubeadm.x86_64 1.24.13-0 kubernetes
kubeadm.x86_64 1.24.14-0 kubernetes
kubeadm.x86_64 1.24.15-0 kubernetes
kubeadm.x86_64 1.24.16-0 kubernetes
kubeadm.x86_64 1.24.17-0 kubernetes
kubeadm.x86_64 1.25.0-0 kubernetes
kubeadm.x86_64 1.25.1-0 kubernetes
kubeadm.x86_64 1.25.2-0 kubernetes
kubeadm.x86_64 1.25.3-0 kubernetes
kubeadm.x86_64 1.25.4-0 kubernetes
kubeadm.x86_64 1.25.5-0 kubernetes
kubeadm.x86_64 1.25.6-0 kubernetes
kubeadm.x86_64 1.25.7-0 kubernetes
kubeadm.x86_64 1.25.8-0 kubernetes
kubeadm.x86_64 1.25.9-0 kubernetes
kubeadm.x86_64 1.25.10-0 kubernetes
kubeadm.x86_64 1.25.11-0 kubernetes
kubeadm.x86_64 1.25.12-0 kubernetes
kubeadm.x86_64 1.25.13-0 kubernetes
kubeadm.x86_64 1.25.14-0 kubernetes
kubeadm.x86_64 1.26.0-0 kubernetes
kubeadm.x86_64 1.26.1-0 kubernetes
kubeadm.x86_64 1.26.2-0 kubernetes
kubeadm.x86_64 1.26.3-0 kubernetes
kubeadm.x86_64 1.26.4-0 kubernetes
kubeadm.x86_64 1.26.5-0 kubernetes
kubeadm.x86_64 1.26.6-0 kubernetes
kubeadm.x86_64 1.26.7-0 kubernetes
kubeadm.x86_64 1.26.8-0 kubernetes
kubeadm.x86_64 1.26.9-0 kubernetes
kubeadm.x86_64 1.27.0-0 kubernetes
kubeadm.x86_64 1.27.1-0 kubernetes
kubeadm.x86_64 1.27.2-0 kubernetes
kubeadm.x86_64 1.27.3-0 kubernetes
kubeadm.x86_64 1.27.4-0 kubernetes
kubeadm.x86_64 1.27.5-0 kubernetes
kubeadm.x86_64 1.27.6-0 kubernetes
kubeadm.x86_64 1.28.0-0 kubernetes
kubeadm.x86_64 1.28.1-0 kubernetes
kubeadm.x86_64 1.28.2-0 kubernetes
5、在github中查看kube-prometheus和k8s对应的版本信息，
https://github.com/prometheus-operator/kube-prometheus
如下图
一步到位，把k8s升级到1.28版本
下文中本来想升级到1.27，结果系统自动默认升级到1.28了
[root@k8s-master ~]# yum install kubeadm-1.27.0-0.x86_64 -y --disableexcludes=kubernetes
已加载插件：fastestmirror, langpacks
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
base | 3.6 kB 00:00:00
docker-ce-edge | 3.5 kB 00:00:00
extras | 2.9 kB 00:00:00
kubernetes | 1.4 kB 00:00:00
updates | 2.9 kB 00:00:00
正在解决依赖关系
--> 正在检查事务
---> 软件包 kubeadm.x86_64.0.1.18.0-0 将被 升级
---> 软件包 kubeadm.x86_64.0.1.27.0-0 将被 更新
--> 正在处理依赖关系 kubelet >= 1.19.0，它被软件包 kubeadm-1.27.0-0.x86_64 需要
--> 正在处理依赖关系 kubectl >= 1.19.0，它被软件包 kubeadm-1.27.0-0.x86_64 需要
--> 正在检查事务
---> 软件包 kubectl.x86_64.0.1.18.0-0 将被 升级
---> 软件包 kubectl.x86_64.0.1.28.2-0 将被 更新
---> 软件包 kubelet.x86_64.0.1.18.0-0 将被 升级
---> 软件包 kubelet.x86_64.0.1.28.2-0 将被 更新
--> 解决依赖关系完成
依赖关系解决
================================================================================================
Package 架构 版本 源 大小
================================================================================================
正在更新:
kubeadm x86_64 1.27.0-0 kubernetes 11 M
为依赖而更新:
kubectl x86_64 1.28.2-0 kubernetes 11 M
kubelet x86_64 1.28.2-0 kubernetes 21 M
事务概要
================================================================================================
升级 1 软件包 (+2 依赖软件包)
总计：42 M
总下载量：11 M
Downloading packages:
No Presto metadata available for kubernetes
5757b853af7b81f977d17812620d3eef53be41fb81b208b815a0dcb6a6ab2299-kubeadm | 11 MB 00:00:17
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
正在更新 : kubelet-1.28.2-0.x86_64 1/6
正在更新 : kubectl-1.28.2-0.x86_64 2/6
正在更新 : kubeadm-1.27.0-0.x86_64 3/6
清理 : kubeadm-1.18.0-0.x86_64 4/6
清理 : kubectl-1.18.0-0.x86_64 5/6
清理 : kubelet-1.18.0-0.x86_64 6/6
验证中 : kubectl-1.28.2-0.x86_64 1/6
验证中 : kubeadm-1.27.0-0.x86_64 2/6
验证中 : kubelet-1.28.2-0.x86_64 3/6
验证中 : kubectl-1.18.0-0.x86_64 4/6
验证中 : kubelet-1.18.0-0.x86_64 5/6
验证中 : kubeadm-1.18.0-0.x86_64 6/6
更新完毕:
kubeadm.x86_64 0:1.27.0-0
作为依赖被升级:
kubectl.x86_64 0:1.28.2-0 kubelet.x86_64 0:1.28.2-0
完毕！
6、重新加载重启集群
[root@k8s-master ~]# systemctl daemon-reload
[root@k8s-master ~]# systemctl restart kubelet
[root@k8s-master ~]# kubectl uncordon k8s-master
node/k8s-master uncordoned
7、查看集群节点状态，version为集群版本信息
[root@k8s-master ~]# kubectl get nodes
NAME STATUS ROLES AGE VERSION
k8s-master Ready master 5d23h v1.18.0
k8s-slave1 Ready <none> 4d11h v1.18.0
k8s-slave2 Ready <none> 4d11h v1.18.0
8、查看集群所有的pod
[root@k8s-master ~]# kubectl get pods --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
default nginx-5749bd847d-94zvw 1/1 Running 3 2d1h
dev nginx-755c49cf64-lbl25 1/1 Running 3 2d
dev nginx-755c49cf64-lj5nf 1/1 Running 3 2d
dev nginx-755c49cf64-pps2p 1/1 Running 3 2d
kube-flannel kube-flannel-ds-jpllk 1/1 Running 6 4d11h
kube-flannel kube-flannel-ds-md7hb 1/1 Running 7 4d11h
kube-flannel kube-flannel-ds-q428r 1/1 Running 7 4d11h
kube-system coredns-7ff77c879f-t4c9z 1/1 Running 0 21m
kube-system coredns-7ff77c879f-x5gc9 1/1 Running 6 5d23h
kube-system dashboard-metrics-scraper-6b4884c9d5-8cxd8 1/1 Running 5 4d8h
kube-system etcd-k8s-master 1/1 Running 7 5d23h
kube-system kube-apiserver-k8s-master 1/1 Running 7 5d23h
kube-system kube-controller-manager-k8s-master 1/1 Running 8 5d23h
kube-system kube-proxy-8m9lq 1/1 Running 7 4d11h
kube-system kube-proxy-jr72q 1/1 Running 6 4d11h
kube-system kube-proxy-kv9n5 1/1 Running 7 5d23h
kube-system kube-scheduler-k8s-master 1/1 Running 8 5d23h
kube-system kubernetes-dashboard-c98496485-ch4lw 1/1 Running 5 4d8h
都为Running，升级成功！
文章来源:https://blog.csdn.net/weixin_44870066/article/details/134983749
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