由于电脑配置渣，带不动多台虚拟机，所以采用httpd虚拟主机的方式来实现
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CentOS 6
.7
httpd: 2
.2
.15
HAProxy: 1
.5
.4
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主机规划
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- 172
.18
.1
.49
:8080
-->
web
server1
- 172
.18
.1
.49
:8081
-->
web
server2
- 172
.18
.1
.49
:8088
-->
app
server1
- 172
.18
.1
.49
:8089
-->
app
server2
-
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配置虚拟主机
安装httpd及PHP
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yum install httpd php -y
yum install haproxy -y
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修改httpd主机监听的端口
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Listen 8080
Listen 8081
Listen 8088
Listen 8089
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配置虚拟主机websrv1
注意：CentOS7默认安装的是Httpd2.4+,所以，在配置虚拟主机时，allow from all要改为Require all granted
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vim /etc/httpd/conf.d/websrv1.conf
DirectoryIndex index.html
<virtualhost 172.18.1.49:8080>
DocumentRoot /data/webdoc1/
<directory "/data/webdoc1">
allow from
all # apache2.4版本要改为Require
all granted，下同！
</directory>
</virtualhost>
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配置虚拟主机websrv2
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vim /etc/httpd/conf.d/websrv2.conf
DirectoryIndex index.html
<virtualhost 172.18.1.49:8081>
DocumentRoot /data/webdoc2/
<directory "/data/webdoc2">
allow from
all
</directory>
</virtualhost>
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配置虚拟主机appsrv1
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vim /etc/httpd/conf.d/app1.conf
DirectoryIndex index.php
<virtualhost 172.18.1.49:8088>
DocumentRoot /data/appdoc1/
<directory "/data/appdoc1">
allow from
all
</directory>
</virtualhost>
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配置虚拟主机appsrv2
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vim /etc/httpd/conf.d/app2.conf
DirectoryIndex index.php
<virtualhost 172.18.1.49:8089>
DocumentRoot /data/appdoc2/
<directory "/data/appdoc2">
allow from
all
</directory>
</virtualhost>
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为各主机提供测试页
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vim
/data/webdoc1/index.html
<h1>web-server1
</h1>
#websrv2
vim
/data/webdoc2/index.html
<h1>web-server2
</h1>
#appsrv1
vim
/data/appdoc1/index.php
<h1>app-server1
</h1>
<?php
phpinfo();
?>
#appsrv2
vim
/data/appdoc2/index.php
<h1>app-server2
</h1>
<?php
phpinfo();
?>
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修改HAProxy配置
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frontend http-in
bind 172.18.1.49:80 #监听的端口
acl url_static path_end -i .jpg .png .html .css .jsp #acl规则分离静态资源
use_backend websrv
if url_static
default_backend appsrv #默认使用动态后端主机
backend websrv #后端静态主机组
balance roundrobin
server srv1 172.18.1.49:8080 check
server srv2 172.18.1.49:8081 check
backend appsrv #后端动态主机组
balance roundrobin
server app1 172.18.1.49:8088 check
server app2 172.18.1.49:8089 check
listen stats 172.18.1.49:9001 #提供一个管理页面
stats
enable
stats uri /admin?stats
stats hide-version
stats auth admin:admin
service httpd start
service haproxy start
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