centos下 keepalived1.2.8配置文件

sunkezai

　　一、软件配置文件
vrrp_script chk_http_port {
script "/etc/keepalived/nginx_pid.sh"
interval 2
weight 2
}
global_defs {
notification_email {
308616473@qq.com
}
notification_email_from lizhuan@cdxfuture.com
smtp_server smtp.exmail.qq.com
smtp_connect_timeout 30
router_id LVS_Twioo
}
vrrp_instance VI_1 {
state BACKUP
interface eth0
virtual_router_id 51
mcast_src_ip 192.168.2.251
priority 80
advert_int 1
smtp_alert
authentication {
auth_type   PASS
auth_pass 123456
}
virtual_ipaddress {
192.168.2.88
}
track_script {
chk_http_port
}
}
virtual_server 192.168.2.88 80 {
delay_loop 6
lb_algo rr
lb_kind DR
persistence_timeout 5
protocol TCP
real_server 192.168.2.251 80 {
weight 3
TCP_CHECK {
connect_timeout 10
nb_get_retry 3
delay_before_retry 3
connect_port 80
}
}
real_server 192.168.2.80 80 {
weight 3
TCP_CHECK {
connect_timeout 3
nb_get_retry 3
delay_before_retry 3
connect_port 80
}
}
}　　二、检测nginx是否正常检测文件
　　

#!/bin/bash
nginxpid=`ps -C nginx --no-header | wc -l`
if [ $nginxpid -eq 0 ];then
eth0 $nginxpid
/usr/local/nginx/sbin/nginx
sleep 1
if [ $nginxpid -eq 0 ];then
/etc/init.d/keepalived stop
fi
fi
sleep 1
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