python3监控CentOS磁盘空间脚本


            Python脚本监控CentOS磁盘空间，任何一个分区空间使用大于80%即发邮件给到指定邮箱。

monitor.py





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

import socket 

import subprocess 

import smtplib 

from email.mime.text import MIMEText 

 

sender="xxx.xx@xxx.com" 

receiver= ["xxx.xx@xxx.com"] 

smtpHost="10.134.xxx.xxx" 

smtpPort="587" 

 

def get_ip(): 

  hostname = socket.getfqdn(socket.gethostname()) 

  ip = socket.gethostbyname(hostname) 

  return ip 

 

def send_mail(receiver,subject,content): 

  ip = get_ip() 

  msg = MIMEText(content,_subtype='plain',_charset='utf-8') 

  msg['Subject'] = subject 

  msg['From'] = 'CLOUD SERVER ' + ip 

  msg['To'] = ",".join(receiver) 

 

  try: 

    smtp = smtplib.SMTP(smtpHost,smtpPort) 

    #smtp.set_debuglevel(1) 

    smtp.docmd("HELO Server") 

    smtp.ehlo("ismetoad") 

    smtp.starttls() 

    smtp.helo("ismetoad") 

    smtp.sendmail(sender,receiver,msg.as_string()) 

    smtp.close() 

 

  except Exception as error: 

    print(error) 

 

def run_cmd(cmd): 

  process = subprocess.Popen(cmd,shell=True, stdout=subprocess.PIPE,stderr=subprocess.PIPE)   

  result_f,error_f = process.stdout,process.stderr 

  errors = error_f.read() 

  if errors: 

    pass 

  result = result_f.read().decode() 

  if result_f: 

    result_f.close() 

  if error_f: 

    error_f.close() 

  return result 

 

def disk_check(): 

  subject = '' 

  result = run_cmd(cmd) 

  content = '[root@vm-vc02-SR910 ~]# ' + cmd + '\n' + result 

  result = result.split('\n') 

  for line in result: 

    if 'G ' in line or 'M ' in line: 

      line = line.split() 

      for i in line: 

        if '%' in i and int(i.strip('%')) > 80: 

          subject = '[WARNING] SERVER FILESYSTEM USE% OVER ' + i + ', PLEASE CHECK!' 

  if subject: 

    send_mail(receiver,subject,content) 

    print('email sended') 

  else: 

    print('Everything is ok, keep on monitor.') 

               

if __name__ == '__main__': 

  cmd = 'df -h' 

  disk_check() 





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