Haproxy Lab Notes

Experimental planning:

Host Name	IP Address	Role
Node01	192.168.112.128	Web01
Node02	192.168.112.129	Web02
Node03	192.168.112.130	Haproxy

Operating System Information:

[Email protected] ~]# cat/etc/redhat-release

CentOS Release 6.6 (Final)

[Email protected] ~]# uname-a

Linux node03 2.6.32-504.el6.x86_64 #1 SMP Wed Oct 04:27:16 UTC x86_64 x86_64 x86_64 gnu/linux

[Email protected] ~]#

Install Haproxy:

[Email protected] ~]# yum-y install haproxy nginx php

Install nginx PHP:

[[email protected] ~]# yum-y install Nginx

[[email protected] ~]# yum-y install Nginx

Node01 and NODE02 on nginx configuration files:

User Nginx;

Worker_processes 4;

#error_log Logs/error.log;

#error_log Logs/error.log Notice;

#error_log Logs/error.log Info;

#pid Logs/nginx.pid;

Events {

Worker_connections 1024;

}

HTTP {

Include Mime.types;

Default_type Application/octet-stream;

server {

Listen 80;

server_name localhost;

#charset Koi8-r;

#access_log Logs/host.access.log Main;

Location/{

root HTML;

Index index.html index.htm;

}

}

Node03 on Haproxy and nginx configuration files

Haproxy

Global

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

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

Listen S-monitor *:90

Mode http

Stats enable

Stats Refresh 5s

Stats Realm New0ldname

Stats URI/

Stats Auth user:123456

Frontend main *:80

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

Backend static

Balance Roundrobin

Server static 127.0.0.1:8080 Check

Backend app

Balance Roundrobin

Server App1 192.168.112.128:80 Check

Server APP2 192.168.112.129:80 Check

Nginx configuration file:

User Nginx;

Worker_processes 4;

#error_log Logs/error.log;

#error_log Logs/error.log Notice;

#error_log Logs/error.log Info;

#pid Logs/nginx.pid;

Events {

Worker_connections 1024;

}

HTTP {

Include Mime.types;

Default_type Application/octet-stream;

Sendfile on;

User Nginx;

Worker_processes 4;

#error_log Logs/error.log;

#error_log Logs/error.log Notice;

#error_log Logs/error.log Info;

#pid Logs/nginx.pid;

Events {

Worker_connections 1024;

}

HTTP {

Include Mime.types;

Default_type Application/octet-stream;

#log_format Main ' $remote _addr-$remote _user [$time _local] "$request" '

# ' $status $body _bytes_sent ' $http _referer '

# ' "$http _user_agent" "$http _x_forwarded_for" ';

#access_log Logs/access.log Main;

Sendfile on;

#tcp_nopush on;

#keepalive_timeout 0;

Keepalive_timeout 65;

#gzip on;

server {

Listen 8080;

server_name localhost;

#charset Koi8-r;

#access_log Logs/host.access.log Main;

Root/data/website/app;

Location/{

#root html;

Index index.php index.html index.htm;

}

#error_page 404/404.html;

# REDIRECT Server error pages to the static page/50x.html

#

Error_page 502 503 504/50x.html;

Location =/50x.html {

root HTML;

}

# Proxy The PHP scripts to Apache listening on 127.0.0.1:80

#

#location ~ \.php$ {

# Proxy_pass http://127.0.0.1;

#}

# Pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000

#

Location ~ \.php$ {

root HTML;

Fastcgi_pass 127.0.0.1:9000;

Fastcgi_index index.php;

Fastcgi_param script_filename $document _root$fastcgi_script_name;

Include Fastcgi_params;

}

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Haproxy Lab Notes