Kubernetes v1.23.6升级到v1.24.0
注意事项:
v1.24.0弃用了v1beta1 api 和dockershim需要提前处理
从 DOCKER SHIM 切换到 CRI DOCKERD
wget -O install.sh https://raw.githubusercontent.com/klts-io/setup-cri-dockerd/main/install.sh
chmod +x ./install.sh && ./install.sh
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"}
当前客户端版本:
[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
卸载老的:
yum remove -y \
kubernetes-cni-* \
kubectl-* \
kubelet-* \
kubeadm-*
安装客户端:
yum install -y \
kubectl \
kubernetes-cni \
kubelet \
kubeadm
最新版本:
[root@master ~]# rpm -qa |grep kube
kubectl-1.24.0-0.x86_64
kubeadm-1.24.0-0.x86_64
kubernetes-cni-0.8.7-0.x86_64
kubelet-1.24.0-0.x86_64
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'
W0505 08:39:13.392607 52125 initconfiguration.go:120] Usage of CRI endpoints without URL scheme is deprecated and can cause kubelet errors in the future. Automatically prepending scheme "unix" to the "criSocket" with value "/var/run/dockershim.sock". Please update your configura
tion![preflight] Running pre-flight checks.
[upgrade] Running cluster health checks
[upgrade] Fetching available versions to upgrade to
[upgrade/versions] Cluster version: v1.23.6
[upgrade/versions] kubeadm version: v1.24.0
[upgrade/versions] Target version: v1.24.0
[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 v1.24.0
1 x v1.23.4 v1.24.0
2 x v1.23.6 v1.24.0
Upgrade to the latest stable version:
COMPONENT CURRENT TARGET
kube-apiserver v1.23.6 v1.24.0
kube-controller-manager v1.23.6 v1.24.0
kube-scheduler v1.23.6 v1.24.0
kube-proxy v1.23.6 v1.24.0
CoreDNS v1.8.6 v1.8.6
etcd 3.5.1-0 3.5.3-0
You can now apply the upgrade by executing the following command:
kubeadm upgrade apply v1.24.0
_____________________________________________________________________
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
_____________________________________________________________________
拉取镜像,注意coredns的镜像需要tag一下
docker pull registry.aliyuncs.com/google_containers/kube-apiserver:v1.24.0
docker pull registry.aliyuncs.com/google_containers/kube-controller-manager:v1.24.0
docker pull registry.aliyuncs.com/google_containers/kube-scheduler:v1.24.0
docker pull registry.aliyuncs.com/google_containers/kube-proxy:v1.24.0
docker pull registry.aliyuncs.com/google_containers/etcd:3.5.3-0
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 v1.24.0
重启:
systemctl daemon-reload
service kubelet restart
kubectl get nodes
当前版本:
[root@master ~]# kubectl version
WARNING: This version information is deprecated and will be replaced with the output from kubectl version --short. Use --output=yaml|json to get the full version.
Client Version: version.Info{Major:"1", Minor:"24", GitVersion:"v1.24.0", GitCommit:"4ce5a8954017644c5420bae81d72b09b735c21f0", GitTreeState:"clean", BuildDate:"2022-05-03T13:46:05Z", GoVersion:"go1.18.1", Compiler:"gc", Platform:"linux/amd64"}
Kustomize Version: v4.5.4
Server Version: version.Info{Major:"1", Minor:"24", GitVersion:"v1.24.0", GitCommit:"4ce5a8954017644c5420bae81d72b09b735c21f0", GitTreeState:"clean", BuildDate:"2022-05-03T13:38:19Z", GoVersion:"go1.18.1", Compiler:"gc", Platform:"linux/amd64"}