Python 实现周期自动更改服务器密码邮件通知

代码中有Ansible的内容，需要搭建Ansible自动化工具，配置host文件和使用authorized_key模块来实现服务器互信，详情请见Ansible分类。

#! /usr/bin/env python
# -*- coding: utf-8 -*-
# auto. Mr.Wang

import smtplib
import os
import string
from email.mime.text import MIMEText
from random import choice

mailto_list=['[e-mail]','[e-mail]'] #收件人(列表)
mail_host="smtp.163.com" #使用的邮箱的smtp服务器地址
mail_user="USER" #用户名
mail_pass="PASSWORD" #密码
mail_postfix="163.com" #邮箱的后缀

def GenPassword(length=20,chars=string.ascii_letters+string.digits):
    return ''.join([choice(chars) for i in range(length)])

def send_mail(to_list,sub,content):
    me="Mr.Wang"+"<"+mail_user+"@"+mail_postfix+">"
    msg = MIMEText(content,_subtype='plain')
    msg['Subject'] = sub
    msg['From'] = me
    msg['To'] = ";".join(to_list) #将收件人列表以‘；’分隔
    try:
        server = smtplib.SMTP()
        server.connect(mail_host) #连接服务器
        server.login(mail_user,mail_pass) #登录操作
        server.sendmail(me, to_list, msg.as_string())
        server.close()
        return True
    except Exception, e:
        print str(e)
        return False

pasd = GenPassword()
os.system("ansible Test -m shell -a 'echo \"%s\" | passwd --stdin root'"%(pasd))
if send_mail(mailto_list,"WFJ Server Change Password",pasd): #邮件主题和邮件内容
    print "发送成功!"
else:
    print "发送失败!"