python ssh 登录执行命令

单线程的模式，只能执行一条语句



多线程的模式，可以执行多条语句

#-*- coding: utf-8 -*-

#!/usr/bin/python

import paramiko

import threading

def ssh2(ip,username,passwd,cmd):

    try:

        ssh = paramiko.SSHClient()

        ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

        ssh.connect(ip,22,username,passwd,timeout=5)

        for m in cmd:

            stdin, stdout, stderr = ssh.exec_command(m)

#           stdin.write("Y")   #简单交互，输入 ‘Y’

            out = stdout.readlines()

            #屏幕输出

            for o in out:

                print o,

        print '%s\tOK\n'%(ip)

        ssh.close()

    except :

        print '%s\tError\n'%(ip)

if __name__=='__main__':

    cmd = ['sys','blacklist ip 192.168.2.12']

    ip = "119.255.248.26"

    username = "sz1card1-admin"

    passwd = "sz1card12015@admin"

    threads = []

    print "Begin......"

    a=threading.Thread(target=ssh2,args=(ip,username,passwd,cmd))

    a.start()