upgrade
1 | ❯ curl -O https://gh-proxy.com/https://github.com/kubernetes/kubernetes/archive/refs/tags/v1.27.16.tar.gz |
1 | ❯ ./kubeadm --image-repository registry.aliyuncs.com/google_containers config images list |
中控机
1 | ❯ kubectl cordon k8s01 |
节点
1 | [root@k8s01 ~]# kubeadm upgrade apply v1.27.16 --etcd-upgrade=false |
#第一个控制面节点
[root@k8s01 ~]# kubeadm upgrade apply v1.27.16 –etcd-upgrade=false –ignore-preflight-errors=CoreDNSUnsupportedPlugins,CoreDNSMigration –v=5
。。。。
[upgrade/successful] SUCCESS! Your cluster was upgraded to “v1.27.16”. Enjoy!
[upgrade/kubelet] Now that your control plane is upgraded, please proceed with upgrading your kubelets if you haven’t already done so.
[root@k8s01 ~]# kubelet –version
Kubernetes v1.27.16
[root@k8s01 ~]# systemctl restart kubelet
[root@k8s01 ~]# systemctl status kubelet
● kubelet.service - Kubernetes Kubelet Server
Loaded: loaded (/etc/systemd/system/kubelet.service; enabled; vendor preset: disabled)
Active: active (running) since 二 2024-08-13 18:37:34 CST; 6s ago
中控机
1 | ❯ kubectl get nodes |
其他控制面板
[root@k8s02 ~]# kubeadm upgrade node
[upgrade] Reading configuration from the cluster…
[upgrade] FYI: You can look at this config file with ‘kubectl -n kube-system get cm kubeadm-config -o yaml’
W0813 18:53:19.459791 21065 utils.go:69] The recommended value for “clusterDNS” in “KubeletConfiguration” is: [10.96.0.10]; the provided value is: [121.21.0.0]
[preflight] Running pre-flight checks
[preflight] Pulling images required for setting up a Kubernetes cluster
[preflight] This might take a minute or two, depending on the speed of your internet connection
[preflight] You can also perform this action in beforehand using ‘kubeadm config images pull’
[upgrade] Upgrading your Static Pod-hosted control plane instance to version “v1.27.16”………
[upgrade] The configuration for this node was successfully updated!
[upgrade] Now you should go ahead and upgrade the kubelet package using your package manager.[root@k8s02 ~]# kubelet –version
Kubernetes v1.27.16
[root@k8s02 ~]# systemctl restart kubelet
[root@k8s02 ~]# systemctl status kubelet
● kubelet.service - Kubernetes Kubelet Server
Loaded: loaded (/etc/systemd/system/kubelet.service; enabled; vendor preset: disabled)
Active: active (running) since 二 2024-08-13 18:57:18 CST; 6s ago
kubeadm upgrade node
中控机 ansible
❯ ansible k8s03 -m shell -a " kubeadm upgrade node "
[WARNING]: Invalid characters were found in group names but not replaced, use -vvvv to see details
k8s03 | CHANGED | rc=0 >>
[upgrade] Reading configuration from the cluster...
[upgrade] FYI: You can look at this config file with 'kubectl -n kube-system get cm kubeadm-config -o yaml'
[preflight] Running pre-flight checks
[preflight] Pulling images required for setting up a Kubernetes cluster
[preflight] This might take a minute or two, depending on the speed of your internet connection
[preflight] You can also perform this action in beforehand using 'kubeadm config images pull'
[upgrade] Upgrading your Static Pod-hosted control plane instance to version "v1.27.16"...
[upgrade/etcd] Upgrading to TLS for etcd
[upgrade/staticpods] Preparing for "etcd" upgrade
[upgrade/staticpods] Renewing etcd-server certificate
[upgrade/staticpods] Renewing etcd-peer certificate
[upgrade/staticpods] Renewing etcd-healthcheck-client certificate
[upgrade/staticpods] Moved new manifest to "/etc/kubernetes/manifests/etcd.yaml" and backed up old manifest to "/etc/kubernetes/tmp/kubeadm-backup-manifests-2024-08-13-19-07-56/etcd.yaml"
[upgrade/staticpods] Waiting for the kubelet to restart the component
[upgrade/staticpods] This might take a minute or longer depending on the component/version gap (timeout 5m0s)
[apiclient] Found 3 Pods for label selector component=etcd
[upgrade/staticpods] Component "etcd" upgraded successfully!
[upgrade/etcd] Waiting for etcd to become available
[upgrade/staticpods] Writing new Static Pod manifests to "/etc/kubernetes/tmp/kubeadm-upgraded-manifests666306646"
[upgrade/staticpods] Preparing for "kube-apiserver" upgrade
[upgrade/staticpods] Renewing apiserver certificate
[upgrade/staticpods] Renewing apiserver-kubelet-client certificate
[upgrade/staticpods] Renewing front-proxy-client certificate
[upgrade/staticpods] Renewing apiserver-etcd-client certificate
[upgrade/staticpods] Moved new manifest to "/etc/kubernetes/manifests/kube-apiserver.yaml" and backed up old manifest to "/etc/kubernetes/tmp/kubeadm-backup-manifests-2024-08-13-19-07-56/kube-apiserver.yaml"
[upgrade/staticpods] Waiting for the kubelet to restart the component
[upgrade/staticpods] This might take a minute or longer depending on the component/version gap (timeout 5m0s)
[apiclient] Found 3 Pods for label selector component=kube-apiserver
[upgrade/staticpods] Component "kube-apiserver" upgraded successfully!
[upgrade/staticpods] Preparing for "kube-controller-manager" upgrade
[upgrade/staticpods] Renewing controller-manager.conf certificate
[upgrade/staticpods] Moved new manifest to "/etc/kubernetes/manifests/kube-controller-manager.yaml" and backed up old manifest to "/etc/kubernetes/tmp/kubeadm-backup-manifests-2024-08-13-19-07-56/kube-controller-manager.yaml"
[upgrade/staticpods] Waiting for the kubelet to restart the component
[upgrade/staticpods] This might take a minute or longer depending on the component/version gap (timeout 5m0s)
[apiclient] Found 3 Pods for label selector component=kube-controller-manager
[upgrade/staticpods] Component "kube-controller-manager" upgraded successfully!
[upgrade/staticpods] Preparing for "kube-scheduler" upgrade
[upgrade/staticpods] Renewing scheduler.conf certificate
[upgrade/staticpods] Moved new manifest to "/etc/kubernetes/manifests/kube-scheduler.yaml" and backed up old manifest to "/etc/kubernetes/tmp/kubeadm-backup-manifests-2024-08-13-19-07-56/kube-scheduler.yaml"
[upgrade/staticpods] Waiting for the kubelet to restart the component
[upgrade/staticpods] This might take a minute or longer depending on the component/version gap (timeout 5m0s)
[apiclient] Found 3 Pods for label selector component=kube-scheduler
[upgrade/staticpods] Component "kube-scheduler" upgraded successfully!
[upgrade] The control plane instance for this node was successfully updated!
[upgrade] Backing up kubelet config file to /etc/kubernetes/tmp/kubeadm-kubelet-config3865846150/config.yaml
[kubelet-start] Writing kubelet configuration to file "/var/lib/kubelet/config.yaml"
[upgrade] The configuration for this node was successfully updated!
[upgrade] Now you should go ahead and upgrade the kubelet package using your package manager.W0813 19:07:43.475203 20009 utils.go:69] The recommended value for "clusterDNS" in "KubeletConfiguration" is: [10.96.0.10]; the provided value is: [121.21.0.0]
升级
https://v1-27.docs.kubernetes.io/zh-cn/docs/tasks/administer-cluster/kubeadm/kubeadm-upgrade/
https://v1-27.docs.kubernetes.io/zh-cn/docs/tasks/administer-cluster/kubeadm/upgrading-linux-nodes/
