Sample HAPROXY ELB (External Load Balancer) Configuration File

2.5.2.7 Sample HAPROXY ELB (External Load Balancer) Configuration File

Configure the External Load Balancer to forward requests to the HTTP Servers using any preferred routing algorithm such as round robin. See the following configuration done using the HAProxy tool.

The following configuration was performed on HAProxy version 1.6.4. Configure the following settings in the haproxy.cfg file:

#---------------------------------------------------------------------

# Example configuration for a possible web application. See the

# full configuration options online.

#

# http://haproxy.1wt.eu/download/1.4/doc/configuration.txt

#

#---------------------------------------------------------------------

# Global settings

#---------------------------------------------------------------------

global

# to have these messages end up in /var/log/haproxy.log you will

# need to:

#

# 1) configure syslog to accept network log events. This is done

# by adding the '-r' option to the SYSLOGD_OPTIONS in

# /etc/sysconfig/syslog

#

# 2) configure local2 events to go to the /var/log/haproxy.log

# file. A line like the following can be added to

# /etc/sysconfig/syslog

#

# local2.* /var/log/haproxy.log

log 127.0.0.1 local2

chroot /var/lib/haproxy

pidfile /var/run/haproxy.pid

maxconn 4000

user haproxy

group haproxy

daemon

# turn on stats unix socket

stats socket /var/lib/haproxy/stats

#---------------------------------------------------------------------

# common defaults that all the 'listen' and 'backend' sections will

# use if not designated in their block

#---------------------------------------------------------------------

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

#---------------------------------------------------------------------

# main frontend which proxys to the backends

#---------------------------------------------------------------------

frontend ft_web

bind *:80

default_backend bk_web

backend bk_web

balance roundrobin

cookie JSESSIONID prefix nocache

server s1 server1.oracle.com:7011 check cookie s1

server s2 server2.in.oracle.com:7011 check cookie s2