screenしてpythonでscreenをsplitしてリモートサーバーにsshログインする

screen上で実行する。
対象サーバーはssh鍵認証を事前に設定しておく

screen.py

# !/usr/bin/python

import os
import time
from subprocess import Popen, PIPE, STDOUT


_SERVER_LIST     = (#('hostname', 'ipaddress'),
                     ('s1',      '192.168.0.1'),
                     ('s2',      '192.168.0.2'),
                     ('s3',      '192.168.0.3'),)

_SSH_USER        = 'admin'

_SUBPROCESS_ARGS = {'stdin'     : None,
                    'stdout'    : PIPE,
                    'stderr'    : STDOUT,
                    'shell'     : False,}

# ----------------------------------------------------------
# SCREEN
# ----------------------------------------------------------
def screen_ssh():

    for server_name, server_ip in _SERVER_LIST:

        screen_ssh = ('screen',
                      '-X',
                      'eval',
                      'split',
                      'focus',
                      'screen',
                      'title %s' % server_name,
                      'stuff "ssh -l %s %s\n"' % (_SSH_USER, server_ip))

        p = Popen(screen_ssh, **_SUBPROCESS_ARGS)
        time.sleep(1.0)

        for i in p.stdout : print i

# ----------------------------------------------------------
# MAIN
# ----------------------------------------------------------
if os.environ['TERM'] == "screen" :

    screen_ssh()

else :
    print "not screen"