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HAProxy在Docker下安装

  • Aug 14, 2023

准备配置文件

mkdir -p /opt/volume/haproxy/conf

本例子实现MySQL两从服务器的反向代理

/opt/volume/haproxy/conf/haproxy.cfg

defaults
    mode tcp
    log global
    option tcplog
    option dontlognull
    option http-server-close
    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
    
frontend mysql
    bind 0.0.0.0:3306
    mode tcp
    log global
    default_backend mysql_server
    
backend mysql_server
    balance roundrobin
    server mysql1 192.168.88.172:3306 check inter 5s rise 2 fall 3
    server mysql2 192.168.88.173:3306 check inter 5s rise 2 fall 3
    
listen stats
    mode http
    bind 0.0.0.0:1080
    stats enable
    stats hide-version
    stats uri /haproxyamdin?stats
    stats realm Haproxy\ Statistics
    stats auth admin:admin
    stats admin if TRUE

注意配置文件的最后必须有空行，否则启动时读取配置文件会报错

创建容器并启动

docker run -p 1080:1080 -p 3306:3306  --name haproxy \
--restart always \
-v /etc/timezone:/etc/timezone:ro \
-v /etc/localtime:/etc/localtime:ro \
-v /opt/volume/haproxy/conf/haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg \
-d haproxy

访问管理页面

通过以下地址访问，其中URI、用户名、密码可在配置文件中指定

http://192.168.88.221:1080/haproxyamdin?stats

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