Haproxy Load Balancer Web

Haproxy Load Balancer Web

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26.211 and 26.212 install Apache Web service omitted here

Yum Install-y httpd

Two Web pages created on Divisions 26.211 and 26.212

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Installing the haproxy:1.5.4 on the 192.16.26.210

Yum Install–y Haproxy

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To edit the Haproxy configuration file:

Vim/etc/haproxy/haproxy.cfg

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The contents of the configuration file are as follows:

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

# 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 has these messages end up In/var/log/haproxy.log you'll

# Need to:

#

# 1) Configure Syslog to accept network log events. This was 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 is 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 would

# 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 Main *:5000

# ACL url_static path_beg-i/static/images/javascript/stylesheets

# ACL url_static path_end-i. jpg. gif. png. css. js

#

# use_backend Static If url_static

# Default_backend App

#

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

# # Static backend for serving up images, stylesheets and such

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

#backend Static

# balance Roundrobin

# Server static 127.0.0.1:4331 check

#

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

# # Round robin balancing between the various backends

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

#backend app

# balance Roundrobin

# Server App1 127.0.0.1:5001 Check

# Server APP2 127.0.0.1:5002 Check

# Server APP3 127.0.0.1:5003 Check

# Server APP4 127.0.0.1:5004 Check

Frontend websrv *:80

Default_backend webservers

Backend Webservers

Balance Roundrobin

Server Node2 192.168.26.211:80 Check

Server Node3 192.168.26.212:80 Check

Save exit:

Start the Haproxy service.

Service Haproxy Start

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Performed on 192.168.26.210: SS–TNLP #查看HAproxy是否监听80端口

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Open Browser: Constantly refresh access 192.168.26.210 observation results

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This article is from the "on the Road" blog, please be sure to keep this source http://jdonghong.blog.51cto.com/3473478/1883368

Haproxy Load Balancer Web