apache+nginx 實現動靜分離

這兩天做了一下apache+nginx實現動靜分離的實驗,實驗大概是這樣的,搭建LAMP之後,再裝上Nginx。用戶訪問頁面的請求到達服務器之後,靜態頁面又nginx出來,動態頁面則交給apache處理。這是因爲apache處理靜態頁面的效率不高,遠不及nginx。通過nginx的反向代理加速,直接將請求丟給apache去處理,達到動靜分離的效果。下面是實驗的過程:

實驗平臺:RHEL6.3_x64 最小化安裝

IP:192.168.30.114


[root@node1 src]# yum install cmake gcc gcc-c++ make ncurses-devel bison wget
[root@node1 src]# wget http://dev.mysql.com/get/Downloads/MySQL-5.5/mysql-5.5.31.tar.gz/from/http://cdn.mysql.com/
一、安裝mysql
[root@node1 src]# useradd -s /sbin/nologin -M mysql
[root@node1 src]# cd mysql-5.5.29
[root@node1 mysql-5.5.29]# cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DINSTALL_DATADIR=/data/mysql -DMYSQL_UNIX_ADDR=/tmp/mysql.sock -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -DWITH_EXTRA_CHARSETS=complex -DMYSQL_USER=mysql
[root@node1 mysql-5.5.29]# make && make install
[root@node1 mysql-5.5.29]# cd /usr/local/mysql/
[root@node1 mysql]# chown -R mysql:mysql  .
[root@node1 mysql]# mkdir /data
[root@node1 mysql]# scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/data/mysql
[root@node1 mysql]# chown -R root .
[root@node1 mysql]# rm -rf /etc/my.cnf
[root@node1 mysql]# cp support-files/my-medium.cnf /etc/my.cnf
[mysqld]
bind-address    = 127.0.0.1
port            = 3306
socket          = /tmp/mysql.sock
basedir         = /usr/local/mysql
datadir         = /data/mysql
user            = mysql
character_set_server = utf8
......
[root@node1 mysql]# vim /etc/init.d/mysqld
basedir=/usr/local/mysql

datadir=/data/mysql


二、安裝apache
[root@node1 src]# wget http://mirror.bjtu.edu.cn/apache//apr/apr-1.4.6.tar.bz2
[root@node1 src]# wget http://mirror.bjtu.edu.cn/apache//apr/apr-util-1.5.2.tar.bz2
[root@node1 src]# wget http://mirror.bjtu.edu.cn/apache//apr/apr-iconv-1.2.1.tar.bz2
[root@node1 src]# tar xf apr-1.4.6.tar.gz
[root@node1 src]# cd apr-1.4.6
[root@node1 apr-1.4.6]# ./configure
這裏有一個報錯:
config.status: executing libtool commands
rm: cannot remove `libtoolT': No such file or directory
config.status: executing default commands
解決辦法:
[root@node1 apr-1.4.6]# vim configure
# $RM "$cfgfile"
找到上面那句命令,並註釋
[root@node1 apr-1.4.6]# make && make install
[root@node1 apr-1.4.6]# vim /etc/ld.so.conf.d/apr.conf
/usr/local/apr/lib
[root@node1 apr-1.4.6]# ldconfig
[root@node1 apr-1.4.6]# cd ..
[root@node1 src]# tar xf apr-util-1.5.2.tar.bz2
[root@node1 src]# cd apr-util-1.5.2
[root@node1 apr-util-1.5.2]# ./configure --with-apr=/usr/local/apr
[root@node1 apr-util-1.5.2]# make && make install
[root@node1 apr-util-1.5.2]# cd ..
[root@node1 src]# tar xf apr-iconv-1.2.1.tar.bz2
[root@node1 src]# cd apr-iconv-1.2.1
[root@node1 apr-iconv-1.2.1]# ./configure --with-apr=/usr/local/apr
[root@node1 apr-iconv-1.2.1]# make && make install
[root@node1 src]# tar xf httpd-2.2.22.tar.gz
[root@node1 src]# cd httpd-2.2.22
[root@node1 httpd-2.2.22]# ./configure --prefix=/usr/local/apache2 --enable-ssl=share --enable-so

[root@node1 httpd-2.2.22]# make && make install


三、安裝php
[root@node1 src]# yum install libxml2-devel bzip2-devel libcurl-devel libjpeg-turbo libjpeg-turbo-devel libpng libpng-devel
readline-devel net-snmp-devel freetype-devel zlib-devel gd libjpeg-devel
[root@node1 src]# tar xf php-5.4.11.tar.bz2
[root@node1 src]# cd php-5.4.11
[root@node1 php-5.4.11]# ./configure --prefix=/usr/local/php  --with-apxs2=/usr/local/apache2/bin/apxs --disable-ipv6 --with-pcre-regex --with-zlib --with-bz2 --with-curl --enable-dba=shared --with-pcre-dir --with-gd --with-jpeg-dir --with-png-dir --with-zlib-dir --with-freetype --enable-mbstring --enable-gd-native-ttf --with-mhash --with-mysql --with-mysqli --with-pdo-mysql --with-readline --with-snmp --enable-sockets --enable-zip
[root@node1 php-5.4.11]# make && make install
[root@node1 php-5.4.11]# cp php.ini-production /usr/local/php/lib/php.ini
爲apache添加支持php
[root@node1 php-5.4.11]# vim /usr/local/apache2/conf/httpd.conf
<IfModule dir_module>
   DirectoryIndex index.html index.php
</IfModule>
Include conf/extra/php.conf
[root@node1 php-5.4.11]# vim /usr/local/apache2/conf/extra/php.conf
<FilesMatch \.php$>
   SetHandler application/x-httpd-php                   // 引用模板使apache支持php
</FilesMatch>
創建動態頁面
[root@node1 apache2]# mkdir /data/www
[root@node1 apache2]# vim /data/www/index.php
<?php
phpinfo();
?>
啓動apache
[root@node1 apache2]# bin/apachectl start
測試訪問是否正常支持php
四、編譯安裝nginx
[root@node1 src]#  yum install pcre-devel openssl-devel perl-ExtUtils-Embed
[root@node1 src]# tar xf nginx-1.2.6.tar.gz
[root@node1 src]# cd nginx-1.2.6
[root@node1 nginx-1.2.6]# useradd -s /sbin/nologin -M www
[root@node1 nginx-1.2.6]#  ./configure --prefix=/usr/local/nginx --user=www --group=www --with-http_ssl_module --with-http_gzip_static_module  --without-http_uwsgi_module --without-http_scgi_module --without-http_upstream_ip_hash_module --with-http_perl_module --with-pcre

[root@node1 nginx-1.2.6]# make && make install


五、配置nginx
[root@node1 nginx]# vim conf/nginx.conf
user  www www;
worker_processes  8;
worker_rlimit_nofile 65535;
pid        logs/nginx.pid;
events {
   worker_connections  65535;
   use epoll;
}
error_log /usr/local/nginx/logs/error.log info;
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;
   charset gb2312;
   server_names_hash_max_size 2048;
   server_names_hash_bucket_size 256;
   client_header_buffer_size 256k;
   client_max_body_size 100m;
   large_client_header_buffers 4 256k;
   sendfile        on;
   tcp_nopush     on;
   server_tokens   off;
   tcp_nodelay     on;
   proxy_send_timeout  300;
   proxy_read_timeout  300;
   proxy_buffer_size  4k;
   proxy_buffers 16 32k;
   proxy_busy_buffers_size 64k;
   proxy_temp_file_write_size 64k;
   proxy_connect_timeout 30s;
   keepalive_timeout  10;
# 開啓壓縮功能
   gzip  on;
   gzip_http_version 1.0;
   gzip_min_length  1100;
   gzip_comp_level  3;
   gzip_buffers  4 32k;
   gzip_types    text/plain text/xml text/css application/x-javascript application/xml application/xml+rss text/javascript application/atom+xml;
   ignore_invalid_headers on;
   client_header_timeout  3m;
   client_body_timeout 3m;
   send_timeout     3m;
   connection_pool_size  256;
   request_pool_size  32k;
   output_buffers   4 64k;
   postpone_output  1460;
   open_file_cache max=1000 inactive=300s;
   open_file_cache_valid    600s;
   open_file_cache_min_uses 2;
   open_file_cache_errors   off;
   include "/usr/local/nginx/conf/vhosts/*.conf";
    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;

}



[root@node1 nginx]# vim conf/vhosts/vhost1.conf
server{
       listen 80;
       server_name 192.168.30.114;
       root /data/www;
       index   index.html index.htm index.php;
       if (-d $request_filename)
               {
                       rewrite ^/(.*)([^/])$ http://$host/$1$2/ permanent;
               }
#所有php的頁面均交由apache處理
       location ~ \.(php)?$ {
               proxy_set_header  Host $host;
               proxy_set_header  X-Real-IP  $remote_addr;
               proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
               proxy_pass http://192.168.30.114:81;
               }

}



創建靜態頁面
[root@node1 nginx]# echo "hello,this is the html test." > /data/www/index.html
測試81端口能不能成功訪問到頁面


測試訪問靜態頁面


測試訪問動態頁面


通過curl -I 可以看到訪問靜態頁面的時候是通過Nginx處理的
[root@node1 nginx]# curl -I http://192.168.30.114
HTTP/1.1 200 OK
Server: nginx
Date: Thu, 06 Jun 2013 09:26:10 GMT
Content-Type: text/html; charset=gb2312
Content-Length: 29
Last-Modified: Thu, 06 Jun 2013 09:25:48 GMT
Connection: keep-alive
Accept-Ranges: bytes
由於動態頁面是通過nginx進行反向代理交給apache處理,所以返回顯示的也是nginx
[root@node1 nginx]# curl -I http://192.168.30.114/index.php
HTTP/1.1 200 OK
Server: nginx
Date: Thu, 06 Jun 2013 09:26:58 GMT
Content-Type: text/html; charset=gb2312
Connection: keep-alive
X-Powered-By: PHP/5.4.11
驗證php是通過apache 處理的:
關閉apache 再測試訪問php頁面,看到訪問不到php,但是能訪問到靜態頁面


爲apache安裝rpaf模塊,該模塊用於apache做後端時獲取訪客真實的IP
[root@node1 src]# tar xf mod_rpaf-0.6.tar.gz
[root@node1 src]# cd mod_rpaf-0.6
[root@node1 mod_rpaf-0.6]# /usr/local/apache2/bin/apxs -i -c -n mod_rpaf-2.0.so mod_rpaf-2.0.c

編輯/usr/local/apache2/conf/httpd.conf添加模塊參數

查找LoadModule php5_module modules/libphp5.so,在下方添加:

[root@node1 mod_rpaf-0.6]# vim /usr/local/apache2/conf/httpd.conf
LoadModule rpaf_module modules/mod_rpaf-2.0.so
#Mod_rpaf settings
RPAFenable On
RPAFproxy_ips 192.168.30.114
RPAFsethostname On

RPAFheader X-Forwarded-For


重啓apache,nginx 即可

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