HAProxy Cluster Setup Example

[root@us ~]# cat /etc/haproxy/haproxy.cfg global

  log /dev/log local0
  log /dev/log local1 notice
  chroot /var/lib/haproxy
  stats timeout 30s
  user haproxy
  group haproxy
  daemon

listen stats

 bind :1936
 stats enable
 stats uri /
 stats refresh 10s
 stats hide-version
 stats auth esg:pw4nexcess

defaults

  log global
  mode http
  option httplog
  option dontlognull
   option forwardfor

  timeout connect 5000
  timeout client 50000
  timeout server 50000

frontend http_front

  bind *:80
  stats uri /haproxy?stats

1. default_backend http_back

 # redirect all to https
 redirect scheme https if !{ ssl_fc }

frontend https_front

  bind *:443 ssl crt /etc/haproxy/ssl/dev.briansnelson.com.pem

1. reqadd X-Forwarded-Proto:\ https

  mode http
  acl https ssl_fc

 # Add the X-Forwarded-Proto header if we're on https
 http-request add-header X-Forwarded-Proto https if https
 http-request set-header Ssl-Offloaded 1 if https
 http-request set-header X-Forwarded-Port %[dst_port]

  default_backend https_back

backend http_back

  mode http
  balance roundrobin

1. server web01 108.61.205.235:80 check ssl verify none
2. server web02 108.61.205.235:80 check ssl verify none

backend https_back

  mode http
  balance leastconn
  server web01 127.0.0.1:6081 check ssl verify none
  server web02 108.61.205.235:443 check ssl verify none backup