keepalived主备切换MSN警告

xiaodouya33

　　主备切换MSN警告
　　当主备机发生故障切换时，会发MSN消息给警报给管理员，此警报消息是由keepalived上的bash脚本将参数通过crul命令传给PHP接口程序（也就是拓扑中的WEB），由PHP接口程序来完成发送MSN消息。
　　在WEB主机上安装php-mcrypt和php-bcmath
下载php发MSN消息类项目
http://code.google.com/p/phpmsmclass/downloads/list
下载完成后把msn.class.php放到/var/www/html目录下面
　　

　　test1的keepalived的配置

[root@test1 ~]# vim  /etc/keepalived/keepalived.conf
! Configuration File for keepalived

global_defs {
   router_id  HAWEB
  }
vrrp_sync_group VGM {
       group {
          VI_HA
             }
}
　　vrrp_instance VI_HA {

state MASTER
    interface eth0
    virtual_router_id 51
    priority 100
    advert_int 5
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        18.1.30.30/24 dev eth0
　　}
　　notify_master  "/etc/keepalived/sendmsn.sh   master"
　　notify_backup  "/etc/keepalived/sendmsn.sh   backup"
　　notify_fault   "/etc/keepalived/sendmsn.sh   fault"
}
　　[root@test1 ~]# vim  /etc/keepalived/sendmsn.sh
　　#!/bin/bash
url="http://18.1.30.30/interface.php"
today=$(date -d "today" +"%Y-%m-%d _%H:%M:%S")
ip=$(/sbin/ifconfig  |grep " inet addr"|grep -v "127.0.0.1"|awk '{print $2;}'|awk -F ':' '{print $2;}'|tr -s ';' '\n'|awk "NR==2")
/usr/bin/curl  -d  date=$today -d  ip=$ip -d state=$1  $url

　　[root@test1 ~]# chmod a+x /etc/keepalived/sendmsn.sh
　　

　　test2的keepalived的配置
　　[root@test2 ~]# vim  /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
   router_id  HAWEB
  }
vrrp_sync_group VGM {
       group {
          VI_HA
             }
}

　　vrrp_instance VI_HA {

state MASTER
    interface eth0
    virtual_router_id 51
   priority 99
    advert_int 5
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        18.1.30.30/24 dev eth0
　　}
　　notify_master  "/etc/keepalived/sendmsn.sh   master"
　　notify_backup  "/etc/keepalived/sendmsn.sh   backup"
　　notify_fault   "/etc/keepalived/sendmsn.sh   fault"
}　　[root@test1 ~]# vim  /etc/keepalived/sendmsn.sh
　　#!/bin/bash
url="http://18.1.30.30/interface.php"
today=$(date -d "today" +"%Y-%m-%d _%H:%M:%S")
ip=$(/sbin/ifconfig  |grep " inet addr"|grep -v "127.0.0.1"|awk '{print $2;}'|awk -F ':' '{print $2;}'|tr -s ';' '\n'|awk "NR==2")
/usr/bin/curl  -d  date=$today -d  ip=$ip -d state=$1  $url

　　[root@test2 ~]# chmod a+x /etc/keepalived/sendmsn.sh