Kubernetes v1.23.5升级到v1.23.6
当前版本:
[root@master ~]# kubectl version
Client Version: version.Info{Major:"1", Minor:"23", GitVersion:"v1.23.5", GitCommit:"c285e781331a3785a7f436042c65c5641ce8a9e9", GitTreeState:"clean", BuildDate:"2022-03-16T15:58:47Z", GoVersion:"go1.17.8", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"23", GitVersion:"v1.23.5", GitCommit:"c285e781331a3785a7f436042c65c5641ce8a9e9", GitTreeState:"clean", BuildDate:"2022-03-16T15:52:18Z", GoVersion:"go1.17.8", Compiler:"gc", Platform:"linux/amd64"}
最新版本:
[root@master ~]# kubeadm upgrade plan
[upgrade/config] Making sure the configuration is correct:
[upgrade/config] Reading configuration from the cluster...
[upgrade/config] FYI: You can look at this config file with 'kubectl -n kube-system get cm kubeadm-config -o yaml'
[preflight] Running pre-flight checks.
[upgrade] Running cluster health checks
[upgrade] Fetching available versions to upgrade to
[upgrade/versions] Cluster version: v1.23.5
[upgrade/versions] kubeadm version: v1.23.5
I0505 08:25:00.758979 43844 version.go:255] remote version is much newer: v1.24.0; falling back to: stable-1.23
[upgrade/versions] Target version: v1.23.6
[upgrade/versions] Latest version in the v1.23 series: v1.23.6
Components that must be upgraded manually after you have upgraded the control plane with 'kubeadm upgrade apply':
COMPONENT CURRENT TARGET
kubelet 1 x v1.23.1 v1.23.6
1 x v1.23.4 v1.23.6
2 x v1.23.5 v1.23.6
Upgrade to the latest version in the v1.23 series:
COMPONENT CURRENT TARGET
kube-apiserver v1.23.5 v1.23.6
kube-controller-manager v1.23.5 v1.23.6
kube-scheduler v1.23.5 v1.23.6
kube-proxy v1.23.5 v1.23.6
CoreDNS v1.8.6 v1.8.6
etcd 3.5.1-0 3.5.1-0
You can now apply the upgrade by executing the following command:
kubeadm upgrade apply v1.23.6
Note: Before you can perform this upgrade, you have to update kubeadm to v1.23.6.
_____________________________________________________________________
The table below shows the current state of component configs as understood by this version of kubeadm.
Configs that have a "yes" mark in the "MANUAL UPGRADE REQUIRED" column require manual config upgrade or
resetting to kubeadm defaults before a successful upgrade can be performed. The version to manually
upgrade to is denoted in the "PREFERRED VERSION" column.
API GROUP CURRENT VERSION PREFERRED VERSION MANUAL UPGRADE REQUIRED
kubeproxy.config.k8s.io v1alpha1 v1alpha1 no
kubelet.config.k8s.io v1beta1 v1beta1 no
_____________________________________________________________________
客户端版本:
[root@master ~]# rpm -qa |grep kube
kubectl-1.23.5-0.x86_64
kubeadm-1.23.5-0.x86_64
kubernetes-cni-0.8.7-0.x86_64
kubelet-1.23.5-0.x86_64
卸载老的:
yum remove -y \
kubernetes-cni-* \
kubectl-* \
kubelet-* \
kubeadm-*
安装1.23.6版本客户端:
[root@master ~]# yum install -y \
kubectl-1.23.6-0.x86_64 \
kubeadm-1.23.6-0.x86_64 \
kubernetes-cni-0.8.7-0.x86_64 \
kubelet-1.23.6-0.x86_64
最新版本:
[root@master ~]# rpm -qa |grep kube
kubectl-1.23.6-0.x86_64
kubeadm-1.23.6-0.x86_64
kubernetes-cni-0.8.7-0.x86_64
kubelet-1.23.6-0.x86_64
拉取镜像,注意coredns的镜像需要tag一下
docker pull registry.aliyuncs.com/google_containers/kube-apiserver:v1.23.6
docker pull registry.aliyuncs.com/google_containers/kube-controller-manager:v1.23.6
docker pull registry.aliyuncs.com/google_containers/kube-scheduler:v1.23.6
docker pull registry.aliyuncs.com/google_containers/kube-proxy:v1.23.6
docker pull registry.aliyuncs.com/google_containers/etcd:3.5.1-0
docker pull registry.aliyuncs.com/google_containers/coredns:1.8.6
docker tag registry.aliyuncs.com/google_containers/coredns:1.8.6 registry.aliyuncs.com/google_containers/coredns:v1.8.6
升级:
kubeadm upgrade apply v1.23.6
重启:
systemctl daemon-reload
service kubelet restart
kubectl get nodes
当前版本:
[root@master ~]# kubectl version
Client Version: version.Info{Major:"1", Minor:"23", GitVersion:"v1.23.6", GitCommit:"ad3338546da947756e8a88aa6822e9c11e7eac22", GitTreeState:"clean", BuildDate:"2022-04-14T08:49:13Z", GoVersion:"go1.17.9", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"23", GitVersion:"v1.23.6", GitCommit:"ad3338546da947756e8a88aa6822e9c11e7eac22", GitTreeState:"clean", BuildDate:"2022-04-14T08:43:11Z", GoVersion:"go1.17.9", Compiler:"gc", Platform:"linux/amd64"}