A quickly throw together haproxy config for RabbitMQ

haproxy.cfg

global
    log         127.0.0.1 local2
    chroot      /var/lib/haproxy
    pidfile     /var/run/haproxy.pid
    maxconn     4000
    user        haproxy
    group       haproxy
    daemon
    stats socket /var/lib/haproxy/stats
    tune.bufsize  128000

defaults
    mode                    http
    log                     global
    maxconn                 8000
    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 check           10s

listen rabbitmq
    bind 127.0.0.1:5672
    mode tcp
    option tcpka
    timeout client 99999m
    timeout server 99999m
    balance roundrobin
    server rabbit1 192.168.10.1:5672 check inter 5s rise 2 fall 3 on-marked-down shutdown-sessions
    server rabbit2 192.168.10.2:5672 check inter 5s rise 2 fall 3 on-marked-down shutdown-sessions

listen stats 192.168.10.3:8080
    mode http
    stats enable
    stats uri /stats
    stats realm HAProxy\ Statistics
    stats auth openstack:testing