升級二進制kubernetes集羣(小版本升級)

基礎操作

查看當前版本信息

[root@k8s-master01 ~]# kubectl  get node
NAME           STATUS   ROLES    AGE    VERSION
k8s-master01   Ready    <none>   110d   v1.34.0
k8s-master02   Ready    <none>   110d   v1.34.0
k8s-master03   Ready    <none>   110d   v1.34.0
k8s-node01     Ready    <none>   110d   v1.34.0
k8s-node02     Ready    <none>   110d   v1.34.0
[root@k8s-master01 ~]#

主機域名以及IP地址

[root@k8s-master01 ~]# cat /etc/hosts | grep k8s
192.168.1.31 k8s-master01
192.168.1.32 k8s-master02
192.168.1.33 k8s-master03
192.168.1.34 k8s-node01
192.168.1.35 k8s-node02
fc00::31 k8s-master01
fc00::32 k8s-master02
fc00::33 k8s-master03
fc00::34 k8s-node01
fc00::35 k8s-node02
[root@k8s-master01 ~]#

下載二進制安裝包

[root@k8s-master01 ~]# wget https://dl.k8s.io/v1.34.3/kubernetes-server-linux-amd64.tar.gz
[root@k8s-master01 ~]# wget https://dl.k8s.io/v1.35.0/kubernetes-server-linux-amd64.tar.gz
[root@k8s-master01 ~]#

解壓二進制安裝包

[root@k8s-master01 ~]# tar xf kubernetes-server-linux-amd64.tar.gz
[root@k8s-master01 ~]#

升級Maser

升級三台主節點上的客户端

[root@k8s-master01 ~]# scp kubernetes/server/bin/kubectl root@192.168.1.31:/usr/local/bin/
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# scp kubernetes/server/bin/kubectl root@192.168.1.32:/usr/local/bin/
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# scp kubernetes/server/bin/kubectl root@192.168.1.33:/usr/local/bin/
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# kubectl version
Client Version: v1.34.3
Kustomize Version: v5.7.1
Server Version: v1.34.0
[root@k8s-master01 ~]#

升級三台主節點api組件

[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl stop kube-apiserver"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# scp kubernetes/server/bin/kube-apiserver root@192.168.1.31:/usr/local/bin/
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl start kube-apiserver"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl status kube-apiserver"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# kube-apiserver --version
Kubernetes v1.34.3
[root@k8s-master01 ~]#

升級三台主節點控制器組件

[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl stop kube-controller-manager"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# scp kubernetes/server/bin/kube-controller-manager root@192.168.1.31:/usr/local/bin/
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl start kube-controller-manager"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl status kube-controller-manager"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# kube-controller-manager --version
Kubernetes v1.34.3
[root@k8s-master01 ~]#

升級三台主節點選擇器組件

[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl stop kube-scheduler"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# scp kubernetes/server/bin/kube-scheduler root@192.168.1.31:/usr/local/bin/
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl start kube-scheduler"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl status kube-scheduler"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# kube-scheduler --version
Kubernetes v1.34.3
[root@k8s-master01 ~]#

升級Worker

每一台機器都要升級kubelet

[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl stop kubelet"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# scp kubernetes/server/bin/kubelet root@192.168.1.31:/usr/local/bin/
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl start kubelet"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl status kubelet"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# ssh root@192.168.1.31 "kubelet --version"
Kubernetes v1.34.3
[root@k8s-master01 ~]#

每一台機器都要升級kube-proxy

[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl stop kube-proxy"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# scp kubernetes/server/bin/kube-proxy root@192.168.1.31:/usr/local/bin/
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl start kube-proxy"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# ssh root@192.168.1.31 "systemctl status kube-proxy"
[root@k8s-master01 ~]#
[root@k8s-master01 ~]# kube-proxy --version

驗證

[root@k8s-master01 ~]# kubectl  get node
NAME           STATUS   ROLES    AGE    VERSION
k8s-master01   Ready    <none>   110d   v1.34.3
k8s-master02   Ready    <none>   110d   v1.34.3
k8s-master03   Ready    <none>   110d   v1.34.3
k8s-node01     Ready    <none>   110d   v1.34.3
k8s-node02     Ready    <none>   110d   v1.34.3
[root@k8s-master01 ~]# 

[root@k8s-master01 ~]# kubectl  version
Client Version: v1.34.3
Kustomize Version: v5.7.1
Server Version: v1.34.3
[root@k8s-master01 ~]#

關於