smart-mqtt/haproxy.cfg at master · smartboot/smart-mqtt · GitHub

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global
    log stdout format raw local0
    maxconn 65536
    daemon

defaults
    log     global
    mode    tcp
    option  tcplog
    option  dontlognull
    timeout connect 5s
    timeout client  120s
    timeout server  120s

# HAProxy 监控统计页面
listen stats
    bind *:8404
    mode http
    stats enable
    stats uri /stats
    stats realm HAProxy\ Statistics
    stats auth admin:admin
    stats refresh 5s

# MQTT 前端 - 对外暴露的 MQTT 端口
frontend mqtt_frontend
    bind *:1883
    mode tcp
    option tcplog
    default_backend mqtt_backend

# MQTT 后端 - 3 个 broker 实例负载均衡
backend mqtt_backend
    mode tcp
    balance leastconn
    option tcp-check
    default-server inter 3s downinter 1s rise 2 fall 3

    server broker1 mqtt-broker-1:1883 check
    server broker2 mqtt-broker-2:1883 check
    server broker3 mqtt-broker-3:1883 check