前言
我们历史文章《Centos8安装在线及离线K8S集群搭建》介绍了如何安装低版本k8s 集群环境,往往实践过程中,经常碰到因网络环境受限,导致安装介质无法正常下载现象,今天介绍一种如何获取k8s集群环境所需版本方法。
2
查看k8s版本
3
安装docker


rpm -ivh *.rpm --nodeps --force 安装rpm
4
安装k8s rpm
kubectlkubeadmKubeletkubernetes-cnicri-tools
wget Index of http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/Packages/ -O rpm-download-path.html
wget http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/Packages/1ba3630f32f36700d00afc381e9b86663d4f549d24429984743090c10d853c35-kubectl-1.21.2-0.x86_64.rpm -O kubectl-1.21.2-0.x86_64.rpmwget http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/Packages/60ad5d3435ecb6f822e034c084c9aff6a1a1011a70a8160c011766f8782f5de6-kubeadm-1.21.2-0.x86_64.rpm -O kubeadm-1.21.2-0.x86_64.rpmwget http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/Packages/7300bf6c04057f3986d6093ea05e3675ea6432305403bae3ad5e6a930908a723-kubelet-1.21.2-0.x86_64.rpm -O kubelet-1.21.2-0.x86_64.rpmwget http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/Packages/14bfe6e75a9efc8eca3f638eb22c7e2ce759c67f95b43b16fae4ebabde1549f3-cri-tools-1.13.0-0.x86_64.rpm -O cri-tools-1.13.0-0.x86_64.rpmwget http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/Packages/db7cb5cb0b3f6875f54d10f02e625573988e3e91fd4fc5eef0b1876bb18604ad-kubernetes-cni-0.8.7-0.x86_64.rpm -O kubernetes-cni-0.8.7-0.x86_64.rpm
4.5 所有节点上安装上面下载的 rpm 包:
rpm -ivh *.rpm --nodeps --force
5
安装k8s 镜像
k8s.gcr.io/kube-apiserver:v1.21.2k8s.gcr.io/kube-controller-manager:v1.21.2k8s.gcr.io/kube-scheduler:v1.21.2k8s.gcr.io/kube-proxy:v1.21.2k8s.gcr.io/pause:3.4.1k8s.gcr.io/etcd:3.4.13-0k8s.gcr.io/coredns/coredns:v1.8.0








docker login --username=阿里云用户名 registry.cn-hangzhou.aliyuncs.com

docker pull registry.cn-hangzhou.aliyuncs.com/hnjjs/coredns:v1.8.0

6
总结
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