haproxy反向代理

haproxy反响代理简单使用

安装

配置文件：/etc/haproxy/haproxy.cfg

defaults
    mode                    http
    log                     global
    option                  httplog
    option                  dontlognull
    option http-server-close
    option forwardfor       except 127.0.0.0/8
    option                  redispatch
    retries                 3
    timeout http-request    10s
    timeout queue           1m
    timeout connect         10s
    timeout client          1m
    timeout server          1m
    timeout http-keep-alive 10s
    timeout check           10s
    maxconn                 3000

# 定义状态查看和管理信息
listen stats
        mode    {http|tcp}
        bind    *:1080
        stats   enable
        stats   hide-version
        stats   uri     /haproxyadmin?stats
        stats   realm   Haproxy \ Statistics
        stats   auth    admin:admin
        stats   admin if TRUE
# 定义前端监听地址
frontend web
        bind    *:80
        mode    {http:tcp}
        default_backend servers

# 定义后端服务地址
backend servers
        balance {roundrobin | leastconn}
        server  first   192.168.10.11:80        check   maxconn 4000
        server  second  192.168.10.12:80        check   maxconn 3000

haproxy也代理mysql。