Python远程获取MD5校验码并在web上显示

一、编写python脚本，远程执行命令获取MD5校验码，脚本放到CGI路径下

#!/usr/bin/env python

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


"""

This runs a command on a remote host using SSH. At the prompts enter hostname,

user, password and the command.

"""


print "Content-type:text/html"

print

print '<html>'

print '<head>'

print '<title>Hello</title>'

print '</head>'

print '<body>'


import pexpect

import getpass, os

import traceback

#user: ssh 主机的用户名

#host：ssh 主机的域名

#password：ssh 主机的密码

#command：即将在远端 ssh 主机上运行的命令

def ssh_command (user, host, password, command):

    """

    This runs a command on the remote host. This could also be done with the

    pxssh class, but this demonstrates what that class does at a simpler level.

    This returns a pexpect.spawn object. This handles the case when you try to

    connect to a new host and ssh asks you if you want to accept the public key

    fingerprint and continue connecting.

    """

    ssh_newkey = 'Are you sure you want to continue connecting'

    # 为 ssh 命令生成一个 spawn 类的子程序对象.

    child = pexpect.spawn('ssh -l %s %s %s'%(user, host, command))

    i = child.expect([pexpect.TIMEOUT, ssh_newkey, 'password: '])

    # 如果登录超时，打印出错信息，并退出.

    if i == 0: # Timeout

        print 'ERROR!'

        print 'SSH could not login. Here is what SSH said:'

        print child.before, child.after

        return None

    # 如果 ssh 没有 public key，接受它.

    if i == 1: # SSH does not have the public key. Just accept it.

        child.sendline ('yes')

        child.expect ('password: ')

        i = child.expect([pexpect.TIMEOUT, 'password: '])

        if i == 0: # Timeout

            print 'ERROR!'

            print 'SSH could not login. Here is what SSH said:'

            print child.before, child.after

        return None

    # 输入密码.

    child.sendline(password)

    return child


def main ():

    # 获得用户指定 ssh 主机域名.

    #host = raw_input('Hostname: ')

    host = "192.168.1.100"

    # 获得用户指定 ssh 主机用户名.

    #user = raw_input('User: ')

    user = "centos"

    # 获得用户指定 ssh 主机密码.

    #password = getpass.getpass()

    password = "************"

    # 获得用户指定 ssh 主机上即将运行的命令.

    #command = raw_input('Enter the command: ')

    command = "md5sum /usr/local/tomcat8.0.15/webapps/ROOT/caijinquanInHouse/caijinquan.plist | awk '{print\$1}'"

    child = ssh_command (user, host, password, command)

    # 匹配 pexpect.EOF

    child.expect(pexpect.EOF)

    # 输出命令结果.

    print child.before


if __name__ == '__main__':

    try:

        main()

    except Exception, e:

        print str(e)

        traceback.print_exc()

        os._exit(1)


print '</body>'

print '</html>'

二、配置Apache调用python脚本

1开启CGI功能