[root@lb01 keepalived]# cat keepalived.conf

! Configuration File for keepalived

global_defs {

   notification_email {

       admin@.com      #配置收件人邮箱地址

   }

   notification_email_from keepalived@qq.com      #配置发件人邮箱地址，注：不支持需要smtp验证的发件服务器

   smtp_server 84.17.184.248    #smtp服务器必需是IP地址不能使用域名，如:smtp.163.com

   smtp_connect_timeout

   router_id LVS_DEVEL

}

vrrp_script check_sta {    #定义检测脚本

   script "/etc/keepalived/keepalived.sh"|"pidof nginx"  #当脚本或命令的返回值为0时表示检测失败，非0表示检测通过。脚本的返回值用exit命令控制

   interval 5     #每5s检测一次

   weight -20     #脚本返回值为0时，keepalive优先级减20

   fall 3         #判定服务异常的检查次数

   rise 2         #判定服务正常的检查次数

}

vrrp_instance VI_39. {

    state BACKUP

    interface eth0

    virtual_router_id

    priority

    advert_int 1   ##检查间隔，默认1s，VRRP心跳包的发送周期，组播信息发送间隔，两个节点设置必须一样

    authentication {

        auth_type PASS

        auth_pass

    }

    virtual_ipaddress {

        10.47.39.4

    }

    track_script {

        check_sta   #调用检测脚本

    }

    smtp_alert    #启用keepalive状态切换邮件通知功能

    nopreempt

    notify_master /etc/keepalived/to_master.sh       #keepalive状态切换为主时执行to_master.sh脚本

    notify_backup /etc/keepalived/to_backup.sh       #keepalive状态切换为备时执行to_backup.sh脚本

    notify_fault  /etc/keepalived/to_fault.sh        #keepalive状态失败时执行to_fault.sh脚本

}