keepalived 发送告警邮件到外部邮箱
邮件脚本：keepalived_notify.py
#!/usr/bin/env python
# -*- coding:utf-8 -*-
import smtplib
from email.mime.text import MIMEText
from email.header import Header
import sys, time, subprocess, random
# 第三方 SMTP 服务
mail_host="smtp.exmail.qq.com"#设置服务器
# 设置发送邮件的用户及密码，可设置多个
userinfo_list = [{'user':'user1@qq.com','pass':'user1_pass'}, {'user':'user2@qq.com','pass':'user2_pass'}, {'user':'user3@qq.com','pass':'user3_pass'}]
user_inst = userinfo_list
mail_user=user_inst['user'] #用户名
mail_pass=user_inst['pass'] #口令
sender = 'pairobot2@tuandai.com' # 邮件发送者
receivers = ['xx1@qq.com', 'xx2@163.com']# 接收邮件，可设置为你的QQ邮箱或者其他邮箱
p = subprocess.Popen('hostname', shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
hostname = p.stdout.readline().split('\n')
message_to = ''
for i in receivers:
message_to += i + ';'
def print_help():
note = '''python script.py role ip vip
'''
print(note)
exit(1)
time_stamp = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))
if len(sys.argv) != 4:
print_help()
elif sys.argv == 'master':
message_content = '%s server: %s(%s) change to Master, vIP: %s' %(time_stamp, sys.argv, hostname, sys.argv)
subject = '%s change to Master -- keepalived notify' %(sys.argv)
elif sys.argv == 'backup':
message_content = '%s server: %s(%s) change to Backup, vIP: %s' %(time_stamp, sys.argv, hostname, sys.argv)
subject = '%s change to Backup -- keepalived notify' %(sys.argv)
else:
print_help()
message = MIMEText(message_content, 'plain', 'utf-8')
message['From'] = Header(sender, 'utf-8')
message['To'] =Header(message_to, 'utf-8')
message['Subject'] = Header(subject, 'utf-8')
try:
smtpObj = smtplib.SMTP()
smtpObj.connect(mail_host, 25) # 25 为 SMTP 端口号
smtpObj.login(mail_user,mail_pass)
smtpObj.sendmail(sender, receivers, message.as_string())
print("邮件发送成功")
except smtplib.SMTPException as e:
print("Error: 无法发送邮件")
print(e) 使用方法：
python script.py{脚本名} role{master|backup} ip{本keepalived服务器IP} vip{虚拟IP}
master keepalived:
global_defs {
notification_email {
xx@qq.com
}
notification_email_from keepalived@qq.com
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id LVS_DEVEL
}
## 上面的配置邮件只能发送到本机，mail 可查看
vrrp_script chk_http_port {
script " good
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