centos 7 keepalived故障邮件通知实战(附Python邮件发送脚本)

##################### sendmail.py begin ##################### #!/usr/bin/python -W # -*- coding: UTF-8 -*- from email.mime.multipart import MIMEMultipart from email.mime.base import MIMEBase from email.mime.text import MIMEText from email.utils import COMMASPACE,formatdate from email import encoders import os #server['name'],server['user'],server['passwd'] def send_mail(server,fro,to,subject,text,files=[]): assert type(server) == dict assert type(to) == list assert type(files) == list msg = MIMEMultipart() msg['From'] = fro msg['Subject'] = subject msg['To'] = COMMASPACE.join(to) #COMMASPACE==',' msg['Date'] = formatdate(localtime=True) msg.attach(MIMEText(text)) for file in files: part = MIMEBase('application','octet-stream') #'octet-stream': binary data part.set_payload(open(file,'rb'.read())) encoders.encode_base64(part) part.add_header('Content-Disposition','attachment; filename="%s"' % os.path.basename(file)) msg.attach(part) import smtplib smtp = smtplib.SMTP(server['name']) smtp.login(server['user'],server['passwd']) smtp.sendmail(fro,msg.as_string()) smtp.close() send_mail({'name':'smtp.163.com','user':'erp2','passwd':'xxxxxxxxxx'},'erp2@163.com',['99923309@qq.com'],'服务器故障转移','keepalived故障转移通知',[]) ##################### sendmail.py end ##################### linux centos7.2实际测试可用，放在：/etc/keepalived/sendmail.py keepalived配置如下： 在 /etc/keepalived/keepalived.conf 中增加: vrrp_sync_group VG_1 { group { VI_1 } notify_master /etc/keepalived/sendmail.py } 重启keepalived服务即可