备份docker所有镜像脚本

#!/bin/bash
delete=$(docker ps | grep -v CONTAINER|awk '{print "docker rmi",$2".bak"}' > /data/dockerbak/dockerDelete)
bak=$(docker ps | grep -v CONTAINER|awk '{print "docker commit -p",$1,$2".bak"}' > /data/dockerbak/dockerBak)
save=$(docker ps | grep -v CONTAINER|awk '{print "docker save -o","/data/dockerbak/"$2".bak.tar",$2".bak"}' > /data/dockerbak/dockerSave)
while read line
do
    $line
done < dockerDelete

while read line
do
    $line
done < dockerBak

while read line
do
    $line
done < dockerSave