从国内镜像站拉取k8s所需镜像，并重命名

pull_k8s.sh

#!/bin/bash

images_list=`kubeadm config images list`
mirrors_url='registry.cn-hangzhou.aliyuncs.com/google_containers'

for need_image in $images_list; do
    down_image="$mirrors_url/${need_image##*/}"
    docker pull $down_image
    docker tag $down_image $need_image
    docker rmi $down_image
done