centos 配置nginx+keepalive集群

1.配置keepalive

mkdir /etc/keepalived/
# 复制keepalived.conf
cp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived/
#复制系统相关文件
cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
# 复制启动类文件，这个是在keepalived解压出来的源码包里面，位置不一样
#（1.4以后都是在解压里面，1.4以前是在/usr/local/keepalived下面rc.d文件夹里面）
cp /usr/local/java/keepalived/keepalived-2.2.4/keepalived/etc/init.d/keepalived /etc/init.d/

2.编写检测nginx是否正常运行的脚本文件

cd /etc/keepalived/
vi nginx_check.sh

编写nginx_check.sh脚本

#! /bin/bash
A=`ps -C nginx --no-header |wc -l`
#echo $A
if [ $A -eq 0 ];then
echo 'nginx not running, stop keepalived!'
systemctl stop keepalived
fi

赋权

chmod 777 nginx_check.sh 
#chmod +x nginx_check.sh 也可以

3、编写keepalived.conf 配置文件

查看本机ip网络配置 ifconfig

在两台机器配置keepalived.conf里面输入以下脚本代码，路径：/etc/keepalived/下

! Configuration File for keepalived

global_defs {
  #路由id，主备节点不能相同
  router_id node148
}

#自定义监控脚本
vrrp_script chk_haproxy {
  # 脚本位置
  script "/etc/keepalived/nginx_check.sh"
  # 脚本执行的时间间隔
  interval 1
  weight 0

}

vrrp_instance VI_1 {
    # Keepalived的角色，MASTER 表示主节点，BACKUP 表示备份节点
    state MASTER
    # 指定监测的网卡，可以使用 ifconfig 或 ip a 进行查看
    interface eth0
    # 虚拟路由的id，主备节点需要设置为相同
    virtual_router_id 51
    # 优先级，主节点的优先级需要设置比备份节点高
    priority 100
    # 设置主备之间的检查时间，单位为秒
    advert_int 1
    # 定义验证类型和密码
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        172.168.9.210/24 dev eth0 label eth0:1
    }
    # 调用上面自定义的监控脚本
    track_script {
       chk_haproxy
    }
}

怕有人想不通一些地方，贴个配置自己验证下，那里有问题

关闭节点验证，ip进行漂移说明配置成功

nginx配置不过多配置说明贴个图

喜欢 (1)赏

支付宝[]

分享 (0)