Python脚本实现邮件报警功能

#!/usr/bin/python

import glob
import operator
from optparse import OptionParser
import smtplib
import email.MIMEText as MIMEText
import email.Utils.formadate as formatdate

msg = ""
#主方法
def main():
    global options
    global msg

    parser = OptionParser(add_help_option=False)
    parser.add_option("-m", "--mail", dest="mail", type="str", help="email address to send report result (comma separated)")
    parser.add_option("-t", "--title", dest="title", type="str", help="email title (default:Error File Count)")
    parser.add_option("-a", "--admin", dest="admin", type="str", help="set sender address. works with -m option")
    (options, args) = parser.parse_args()

    #这里监控文件夹下的文件数,超出25个文件即报警
    datanum = cntFiles("/data/","csv")
    if (operator.gt(datanum,25)):
        msg += " Please be alert : \n the number of files under /data/ path is greater than 25 :"
        msg += "\n =========================================="
        msg += "\n The number of files is : " + str(datanum)
        sendmsg(options,msg)
    print("==== end ====")

#添加发送邮件的信息
def sendmsg(options,msg):
    if options.mail:
        toAddr = options.mail
        if options.admin:
            fromAddr = options.admin
        else:
            fromAddr = ‘zhangsan@neiyou.cn‘#这里是公司的公用SMTP邮箱账号

        if options.title:
            subject = options.title
        else:
            subject = ‘File Stacking Alarm‘
        msg += "\n ========================================== \n"
        print( msg)
        msg = createMsg(fromAddr, toAddr, subject, msg)
        print( msg)
        send(fromAddr, toAddr, msg)
    else:
        print( msg)

#glob方法,统计文件夹下的文件数
def cntFiles(in_directory, ext):
    stage = len(glob.glob1(in_directory,"*." + ext))
    return stage

#创建邮件头
def createMsg(fromAddr, toAddr, subject, body):
    msg = MIMEText(body)
    msg[‘Subject‘] = subject
    msg[‘To‘] = toAddr
    msg[‘From‘] = fromAddr
    msg[‘Date‘] = formatdate()
    return msg

#发送邮件
def send(fromAddr, toAddr, msg):
    try:
        #这里添加公司的SMTP邮箱地址
         s = smtplib.SMTP(‘192.168.12.120‘)
         s.sendmail(fromAddr, toAddr.split(‘,‘), msg.as_string())
         s.close()
         print("SUCCESS: sending email")
    except smtplib.SMTPException:
         print("ERROR: sending email")

if __name__ == ‘__main__‘:
    main()

Errymsfileemail.py -m zhangsan@gongsi.cn -t "[ERROR/$HOST] File Stacking Alarm"