python 監(jiān)控日志并發(fā)送郵件報警

#!/usr/bin/env?python  #coding:utf8  import?re  import?os  import?time  import?smtplib  import?socket  import?fcntl  import?struct  from?email.mime.text?import?MIMEText  def?get_ip_address(ifname):  ????s?=?socket.socket(socket.AF_INET,?socket.SOCK_DGRAM)  ????return?socket.inet_ntoa(fcntl.ioctl(  ????????s.fileno(),  ????????0x8915,??#?SIOCGIFADDR  ????????struct.pack('256s',?ifname[:15])  ????)[20:24])  ???  def?sendemail(subject,msg,fromemail,emailpasswd,toemail):  ????'''實現(xiàn)發(fā)送郵件功能函數(shù)'''  ????_user?=?fromemail  ????_pwd??=?emailpasswd  ????_to???=?toemail  ????nowtime?=?time.strftime('%Y-%m-%d?%H:%M:%S')  ?????  ????msg?=?MIMEText(msg)  ????msg["Subject"]?=?subject  ????msg["From"]????=?_user  ????msg["To"]??????=?_to  ?????  ????try:  ????????s?=?smtplib.SMTP_SSL('smtp.qq.com',?465)  ????????s.login(_user,?_pwd)  ????????s.sendmail(_user,?_to,?msg.as_string())  ????????s.quit()  ????????print?"[%s]INFO:Email?send?Success!"?%?nowtime  ????except?smtplib.SMTPException,e:  ????????print?"[%s]ERROR:Email?send?Falied,%s"?%?(nowtime,e)?  def?matchkeyword(pattern,alertlogfile):  ????'''實現(xiàn)匹配關(guān)鍵字函數(shù)'''  ????re.compile(pattern)  ????posfile?=?"/tmp/posfile"  ????if?not?os.path.exists(posfile):  ????????os.mknod(posfile)  ????if?not?os.path.getsize(posfile):  ????????with?open(posfile,'w')?as?fobj:  ????????????fobj.write('0')???????  ????#打開文件  ????f?=?open(alertlogfile,'r')  ????#移動到文件結(jié)尾  ????f.seek(0,2)  ????#讀出文件所在的字節(jié)位置  ????endpos?=?f.tell()?  ????#移動到文件的開頭  ????with?open(posfile,'r')?as?fobj:  ????????startpos?=?int(fobj.read())  ????????f.seek(startpos)  ?????????  ????if?endpos-startpos?>?0:????  ????????data?=?f.read(endpos-startpos)  ????????f.close()  ????????with?open(posfile,'w')?as?fobj:  ????????????fobj.write(str(endpos))  ????????m?=?re.findall(pattern,?data,re.IGNORECASE)  ????????if?m:  ????????????content?=?'n'.join(m)????  ????????????return?content  ????????else:  ????????????return?''  ?????????????  if?__name__?==?'__main__':  ????local_ip?=?get_ip_address('eth0')  ????subject?=?'服務(wù)器[%s]日志報警了！'?%?local_ip  ????fromemail?=?'xxxxxxxx@qq.com'  ????#emailpasswd為QQ郵箱的授權(quán)碼  ????emailpasswd?=?'mdkuasfhnjbrbhdj'  ????toemail?=?'xxxxxx@qq.com'  ????alertlogfile?=?"/data/mysql/mysql_3306/log/error.log"  ????#pattern?=?".*[Warning].*s|.*[Note].*s"  ????pattern?=?".*Warning.*s|.*error.*s"  ????while?True:  ????????content?=?matchkeyword(pattern,?alertlogfile)  ????????if?content:  ????????????sendemail(subject,?content,?fromemail,?emailpasswd,?toemail)