k8s拉取镜像脚本

#!/bin/bash
#Author:Hejing
#Date:2021-11-26
#Function:拉取指定版本的k8s所需镜像

url=registry.cn-hangzhou.aliyuncs.com/google_containers
version=v1.17.17
images=(`kubeadm config images list --kubernetes-version=v1.17.17 | awk -F "/" '{print $2}'`)

for imagename in ${images[@]}
do
        docker pull $url/$imagename
        docker tag $url/$imagename k8s.gcr.io/$imagename
        docker save -o /root/kube-images/$imagename.tar.gz k8s.gcr.io/$imagename
        docker rmi -f $url/$imagename
        docker rmi -f k8s.gcr.io/$imagename
done