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
! Configuration File for keepalived
global_defs {
router_id HAWEB
}
vrrp_sync_group VGM {
group {
VI_HA
}
}
vrrp_instance VI_HA {
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 $url
[root@test1 ~]# chmod a+x /etc/keepalived/sendmsn.sh
test2的keepalived的配置
[root@test2 ~]# vim /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
router_id HAWEB
}
vrrp_sync_group VGM {
group {
VI_HA
}
}
vrrp_instance VI_HA {
interface eth0
virtual_router_id 51
priority 99
advert_int 5
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
18.1.30.30/24 dev eth0
}
notify_master "/etc/keepalived/sendmsn.sh master"
notify_backup "/etc/keepalived/sendmsn.sh backup"
notify_fault "/etc/keepalived/sendmsn.sh fault"
}[root@test1 ~]# vim /etc/keepalived/sendmsn.sh
#!/bin/bash
url="http://18.1.30.30/interface.php"
today=$(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
