打包docker镜像脚本

开发同事叫我自己去后台取镜像，docker image | wc -l == 100+ 脚本解决
环境是rancher2.0+k8s

#!/bin/bash
#
#
#echo "hello,world!"
#
Liss=`docker images | grep -v rancher | grep -v none | grep -v REPOSITORY | awk -v OFS=":" '{ print $1,$2 }'`
echo $Liss
docker save -o image.tar $Liss