此代码是磁盘使用率超过90%就会发送邮件

#!/usr/bin/env python

#coding:utf-8

import socket

import re

import os

import smtplib

import datetime

import commands,time 

from email.mime.text import MIMEText

from email.utils import formataddr

# 硬盘使用率报警阀值

m=socket.gethostname()

s="磁盘使用率超过:"

b="测试服务器"

d="%"

hd_usage_rate_threshold = 90

def check_hd_use():

        cmd_get_hd_use = '/bin/df'

        try:

            fp = os.popen(cmd_get_hd_use)

        except:

            ErrorInfo = r'get_hd_use_error'

            print ErrorInfo

            return ErrorInfo

        re_obj = re.compile(r'^/dev/.+\s+(?P<used>\d+)%\s+(?P<mount>.+)')

        hd_use = {}

        for line in fp:

            match = re_obj.search(line)

            if match is not None:

                hd_use[match.groupdict()['mount']] = match.groupdict()['used']

        fp.close()

        return  hd_use

def email(message):

msg = MIMEText(message, 'plain', 'utf-8')

msg['From'] = formataddr(["运维专用小号", '1195257477@qq.com'])

msg['To'] = formataddr(["大汉", '610323566@qq.com'])

msg['Subject'] = "磁盘监控报警"

server = smtplib.SMTP_SSL("smtp.qq.com", 465)

server.login("1195257477@qq.com", "xxxxxxxxxx")

server.sendmail('1195257477@qq.com', ['610323566@qq.com'], msg.as_string())

server.quit()

if __name__ == '__main__':

      for v in check_hd_use().values():

            if int(v)>hd_usage_rate_threshold:

               email(m+b+s+str(hd_usage_rate_threshold)+d)