这个脚本执行的前提是，得先做好基于密钥的认证，这样可以避免频繁输入密码，基于密钥的认证这里就不写了。
脚本很简单，使用subprocess模块的call()方法来执行shell命令。刚开始学，一步步来，哈哈。。。
后面再学习学习paramiko模块，多线程。。。
下面是我写的脚本simple_ssh.py，贴上来，自己留作记录：
#!/usr/bin/env python
# Filename: simple_ssh.py
# Author: zhangliang - z_liang90@126.com
# Last modified: 2014-02-26 11:36
# Description:
# -*- coding:UTF-8 -*-
import subprocess
import sys
machines = {
‘Centos6.4‘: (‘10.21.178.239‘, ‘root‘, ‘22‘,),
‘localhost‘: (‘192.168.10.25‘, ‘root‘, ‘22‘,),
}
def ssh_Command(cmd):
try:
for host in machines:
print (‘-‘*30 + ‘ \033[32;1m%s\033[0m ‘ + ‘-‘*30) % machines[host][0]
subprocess.call(‘ssh -p %s %s@%s %s ‘ % (machines[host][2], machines[host][1], machines[host][0], cmd), shell=True)
except KeyboardInterrupt:
sys.exit(‘\n‘)
if __name__ == ‘__main__‘:
if len(sys.argv) != 2:
print "\033[31;1mUsage: python %s ‘commands‘\033[0m" % sys.argv[0]
sys.exit()
cmd = sys.argv[1]
#call ssh_Command
ssh_Command(cmd)
简单演示下：
[root@VMtemp ssh]# python simple_ssh.py "pwd" ------------------------------ 10.21.178.239 ------------------------------ /root ------------------------------ 192.168.10.25 ------------------------------ /root [root@VMtemp ssh]# [root@VMtemp ssh]# python simple_ssh.py "df -h" ------------------------------ 10.21.178.239 ------------------------------ Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg--root-LogVol00 18G 7.2G 9.5G 44% / tmpfs 497M 224K 497M 1% /dev/shm /dev/sda1 194M 97M 88M 53% /boot ------------------------------ 192.168.10.25 ------------------------------ Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg--root-LogVol00 18G 7.2G 9.5G 44% / tmpfs 497M 224K 497M 1% /dev/shm /dev/sda1 194M 97M 88M 53% /boot [root@VMtemp ssh]#
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