利用python写了简单测试主机是否存活脚本,此脚本不适于线上使用,因为网络延迟、丢包现象会造成误报邮件,那么后续会更新判断三次ping不通后再发报警邮件,并启用多线程处理。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | #!/usr/bin/env python# coding:UTF-8import timeimport pexpectimport smtplibfrom email.mime.text import MIMETextmail_host = "smtp.163.com" #定义smtp服务器mail_to = "baojingtongzhi@163.com" #邮件收件人mail_from = "monitor@163.com" #邮件发件人mail_pass = "123456" #邮件发件人邮箱密码while True : def Mail(error_ip): date = time.strftime( '%Y-%m-%d %H:%M:%S' ) msg = MIMEText( "%s Ping %s failed from 255.252." % (date, error_ip)) msg[ 'Subject' ] = "Ping %s failed." % error_ip #定义邮件主题 msg[ 'From' ] = mail_from msg[ 'To' ] = mail_to try : s = smtplib.SMTP() #创建一个SMTP()对象 s.connect(mail_host, "25" ) #通过connect方法连接smtp主机 s.starttls() #启动安全传输模式 s.login(mail_from,mail_pass) #邮箱账户登录认证 s.sendmail(mail_from, mail_to, msg.as_string()) #邮件发送 s.quit() #断开smtp连接 except Exception, e: print str (e) ip_list = [ '192.168.18.10' , '192.168.18.11' , '192.168.18.12' ] for ip in ip_list: ping = pexpect.spawn( 'ping -c 1 %s' % ip) check = ping.expect([pexpect.TIMEOUT, "1 packets transmitted, 1 received, 0% packet loss" ], 2 ) #2代表超时时间 if check = = 0 : Mail(ip) print "Ping %s failed,Have email." % ip if check = = 1 : print "Ping %s successful." % ip print "Sleep 10s..." time.sleep( 10 ) |
#直接运行
# python ping.py
Ping 192.168.18.10 successful.
Ping 192.168.18.11 successful.
Ping 192.168.18.12 successful.
Sleep 10s...
本文转自 李振良OK 51CTO博客,原文链接:http://blog.51cto.com/lizhenliang/1649664,如需转载请自行联系原作者