import re

import os

import subprocess

if __name__ == "__main__":

    p = subprocess.Popen('docker images', shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)

    for line in p.stdout.readlines():

        # 此处的正则表达式是为了匹配镜像名以ufleet为开头的镜像

        # 实际使用中根据需要自行调整

        m = re.match(r'(^ufleet[^\s]*\s*)\s([^\s]*\s)', line)

        # 镜像名

        iname = m.group(1).strip(' ')

        # tag

        itag = m.group(2)

        # tar包的名字

        tarname = iname.split('/')[-1]

        print(tarname)

        tarball = tarname + '.tar'

        ifull = iname + ':' + itag

        #save

        cmd = 'docker save -o ' + tarball + ' ' + ifull

        print os.system(cmd)

        # 将tar包放在临时目录

        print os.system('mv %s /tmp/xfleet/'%tarball)

    retval = p.wait()

cd /tmp/ufleet

tar -czvf ufleetImages.tar.gz ./*.tar 

import os

import sys

if __name__ == "__main__":

    tarball = sys.argv[1]

    print(tarball)

    workdir = '/tmp/xfleet-images'

    os.system('rm -rf %s'%workdir)

    os.system('mkdir -p %s'%workdir)

    os.system('tar -zxvf %s -C %s'%(tarball, workdir))

    os.chdir(workdir)

    files = os.listdir(workdir)

    for filename in files:

        print(filename)

        os.system('docker load -i %s'%filename)

python dockerload.py ufleetImages.tar.gz