Nginx+Tomcat構建動、靜分離WEB架構

時間  2019-11-18
標籤 nginx+tomcat nginx tomcat 構建 分離 web 架構 欄目 Tomcat 简体版
原文   原文鏈接

1、簡介javascript

2、環境介紹css

3、後端服務器安裝配置html

4、安裝論壇前端

5、安裝配置前端Nginx服務器java

6、驗證服務mysql

1、Tomcat簡介linux

Tomcat是Apache 軟件基金會（Apache Software Foundation）的Jakarta 項目中的一個核心項目，由Apache、Sun 和其餘一些公司及我的共同開發而成。因爲有了Sun 的參與和支持，最新的Servlet 和JSP 規範老是能在Tomcat 中獲得體現，Tomcat 5 支持最新的Servlet 2.4 和JSP 2.0 規範。由於Tomcat 技術先進、性能穩定，並且免費，於是深受Java 愛好者的喜好並獲得了部分軟件開發商的承認，成爲目前比較流行的Web 應用服務器。目前最新版本是8.0nginx

 

Tomcat 服務器是一個免費的開放源代碼的Web 應用服務器，屬於輕量級應用服務器，在中小型系統和併發訪問用戶不是不少的場合下被廣泛使用，是開發和調試JSP 程序的首選。對於一個初學者來講，能夠這樣認爲，當在一臺機器上配置好Apache 服務器，可利用它響應對HTML 頁面的訪問請求。實際上Tomcat 部分是Apache 服務器的擴展，但它是獨立運行的，因此當你運行tomcat 時，它實際上做爲一個與Apache 獨立的進程單獨運行的c++

 

當配置正確時，Apache 爲HTML頁面服務，而Tomcat 實際上運行JSP 頁面和Servlet。另外，Tomcat和IIS、Apache等Web服務器同樣，具備處理HTML頁面的功能，另外它仍是一個Servlet和JSP容器，獨立的Servlet容器是Tomcat的默認模式。不過，Tomcat處理靜態HTML的能力不如Apache服務器。目前Tomcat最新版本爲8.0.0-RC3 (alpha) Released程序員

 

Tomcat 很受廣大程序員的喜歡，由於它運行時佔用的系統資源小，擴展性好，支持負載平衡與郵件服務等開發應用系統經常使用的功能；並且它還在不斷的改進和完善中，任何一個感興趣的程序員均可以更改它或在其中加入新的功能

 

Tomcat最初是由Sun的軟件構架師詹姆斯·鄧肯·戴維森開發的。後來他幫助將其變爲開源項目，並由Sun貢獻給Apache軟件基金會。因爲大部分開源項目O'Reilly都會出一本相關的書，而且將其封面設計成某個動物的素描，所以他但願將此項目以一個動物的名字命名。由於他但願這種動物可以本身照顧本身，最終，他將其命名爲Tomcat（英語公貓或其餘雄性貓科動物）。而O'Reilly出版的介紹Tomcat的書籍（ISBN 0-596-00318-8）[1]的封面也被設計成了一個公貓的形象。而Tomcat的Logo兼吉祥物也被設計成了一隻公貓

2、環境介紹

193659426.gif

 

系統版本： CentOS 6.4_x86_64 

Nginx版本： nginx-1.4.2 點此下載

JDK版本： jdk-7u40-linux-x64 點此下載

Tomcat版本：apache-tomcat-7.0.42 點此下載

論壇版本： JspRun!_6.0.0_GBK 點此下載

環境介紹：

當用戶訪問時"www.allen.com"網站時，經過Nginx服務器代理，將請求的靜態內容（如：.html|.jpg等）讓web服務器來響應，而請求的動態內容都讓java服務器來響應；這樣就實現了動、靜的分離

3、後端服務器的安裝與配置

一、安裝java服務器

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######一、安裝JDK並設置環境變量
[root@java ~] # rpm -ihv jdk-7u40-linux-x64.rpm
[root@java ~] # vim /etc/profile.d/java.sh
export  JAVA_HOME= /usr/java/latest
export  PATH=$JAVA_HOME /bin :$PATH
[root@java ~] # . /etc/profile.d/java.sh
######驗證JDK是否安裝成功
[root@java ~] # java -version
java version  "1.7.0_40"
Java(TM) SE Runtime Environment (build 1.7.0_40-b43)
Java HotSpot(TM) 64-Bit Server VM (build 24.0-b56, mixed mode)
========================================================================
######二、安裝Tomcat
[root@java ~] # tar xf apache-tomcat-7.0.42.tar.gz -C /usr/local/
[root@java ~] # cd /usr/local/
[root@java  local ] # ln -s apache-tomcat-7.0.42 tomcat
[root@java  local ] # vim /etc/profile.d/tomcat.sh
export  CATALINA_HOME= /usr/local/tomcat
export  PATH=$CATALINA_HOME /bin :$PATH
[root@java  local ] # . /etc/profile.d/tomcat.sh
######驗證Tomcat是否安裝成功
[root@java  local ] # catalina.sh version
Using CATALINA_BASE:    /usr/local/tomcat
Using CATALINA_HOME:    /usr/local/tomcat
Using CATALINA_TMPDIR:  /usr/local/tomcat/temp
Using JRE_HOME:         /usr/java/latest
Using CLASSPATH:        /usr/local/tomcat/bin/bootstrap .jar: /usr/local/tomcat/bin/tomcat-juli .jar
Server version: Apache Tomcat /7 .0.42
Server built:   Jul 2 2013 08:57:41
Server number:  7.0.42.0
OS Name:        Linux
OS Version:     2.6.32-358.el6.x86_64
Architecture:   amd64
JVM Version:    1.7.0_40-b43
JVM Vendor:     Oracle Corporation
----------------------------------------------------------------------
[root@java ~] # catalina.sh start

二、訪問測試Java服務器

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######查看監聽端口,Tomcat默認監聽8080端口
[root@java ~] # ss -tanlp | grep 8080
LISTEN     0      100                      :::8080                    :::*       users :(( "java" ,6163,40))

 
224059215.gif

三、安裝web服務器

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######安裝nginx依賴環境
[root@web ~] # yum -y install pcre-devel gcc gcc-c++ openssl-devel
[root@web ~] # useradd -r nginx
[root@web ~] # tar xf nginx-1.4.2.tar.gz
[root@web ~] # cd nginx-1.4.2
[root@web nginx-1.4.2] # ./configure \
    --prefix= /usr/local/nginx  \
    --sbin-path= /usr/local/nginx/sbin/nginx  \
    --conf-path= /etc/nginx/nginx .conf \
    --error-log-path= /var/log/nginx/error .log \
    --http-log-path= /var/log/nginx/access .log \
    --pid-path= /var/run/nginx/nginx .pid  \
    --lock-path= /var/lock/nginx .lock \
    --user=nginx \
    --group=nginx \
    --with-http_ssl_module \
    --with-http_flv_module \
    --with-http_stub_status_module \
    --with-http_gzip_static_module \
    --http-client-body-temp-path= /var/tmp/nginx/client/  \
    --http-proxy-temp-path= /var/tmp/nginx/proxy/  \
    --http-fastcgi-temp-path= /var/tmp/nginx/fcgi/  \
    --http-uwsgi-temp-path= /var/tmp/nginx/uwsgi  \
    --http-scgi-temp-path= /var/tmp/nginx/scgi  \
    --with-pcre
[root@web nginx-1.4.2] # make && make install
======================================================================
######爲Nginx提供Sysv服務腳本
[root@web ~] # vim /etc/init.d/nginx
#!/bin/sh
#
# nginx - this script starts and stops the nginx daemon
#
# chkconfig:   - 85 15
# description:  Nginx is an HTTP(S) server, HTTP(S) reverse \
#               proxy and IMAP/POP3 proxy server
# processname: nginx
# config:      /etc/nginx/nginx.conf
# config:      /etc/sysconfig/nginx
# pidfile:     /var/run/nginx.pid
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
# Source function library.
.  /etc/rc .d /init .d /functions
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
# Source networking configuration.
.  /etc/sysconfig/network
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
# Check that networking is up.
[  "$NETWORKING"  =  "no"  ] &&  exit  0
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
nginx= "/usr/local/nginx/sbin/nginx"
prog=$( basename  $nginx)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
NGINX_CONF_FILE= "/etc/nginx/nginx.conf"
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
[ -f  /etc/sysconfig/nginx  ] && .  /etc/sysconfig/nginx
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
lockfile= /var/lock/subsys/nginx
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
make_dirs() {
    # make required directories
    user=`nginx -V 2>&1 |  grep  "configure arguments:"  |  sed  's/[^*]*--user=\([^ ]*\).*/\1/g'  -`
    options=`$nginx -V 2>&1 |  grep  'configure arguments:' `
    for  opt  in  $options;  do
        if  [ ` echo  $opt |  grep  '.*-temp-path' ` ];  then
            value=` echo  $opt |  cut  -d  "="  -f 2`
            if  [ ! -d  "$value"  ];  then
                # echo "creating" $value
                mkdir  -p $value &&  chown  -R $user $value
            fi
        fi
    done
}
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
start() {
     [ -x $nginx ] ||  exit  5
     [ -f $NGINX_CONF_FILE ] ||  exit  6
     make_dirs
     echo  -n $ "Starting $prog: "
     daemon $nginx -c $NGINX_CONF_FILE
     retval=$?
     echo
     [ $retval - eq  0 ] &&  touch  $lockfile
     return  $retval
}
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
stop() {
     echo  -n $ "Stopping $prog: "
     killproc $prog -QUIT
     retval=$?
     echo
     [ $retval - eq  0 ] &&  rm  -f $lockfile
     return  $retval
}
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
restart() {
     configtest ||  return  $?
     stop
     sleep  1
     start
}
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
reload() {
     configtest ||  return  $?
     echo  -n $ "Reloading $prog: "
     killproc $nginx -HUP
     RETVAL=$?
     echo
}
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
force_reload() {
     restart
}
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
configtest() {
   $nginx -t -c $NGINX_CONF_FILE
}
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
rh_status() {
     status $prog
}
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
rh_status_q() {
     rh_status > /dev/null  2>&1
}
case  "$1"  in
     start)
         rh_status_q &&  exit  0
         $1
         ;;
     stop)
         rh_status_q ||  exit  0
         $1
         ;;
     restart|configtest)
         $1
         ;;
     reload)
         rh_status_q ||  exit  7
         $1
         ;;
     force-reload)
         force_reload
         ;;
     status)
         rh_status
         ;;
     condrestart|try-restart)
         rh_status_q ||  exit  0
             ;;
     *)
         echo  $ "Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|configtest}"
         exit  2
esac
----------------------------------------------------------------------
[root@web ~] # chmod +x /etc/init.d/nginx
[root@web ~] # chkconfig --add nginx
[root@web ~] # service nginx start
[root@web ~] # chkconfig nginx on

四、訪問測試web服務器

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[root@web nginx-1.4.2] # ss -tanlp | grep 80
LISTEN     0      128      *:80       *:*       users :(( "nginx" ,30503,6),( "nginx" ,30504,6))
233713612.gif

五、安裝Mysql服務器

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root@mysql ~] # yum -y install mysql-server
root@mysql ~] # service mysqld start
[root@mysql ~] # mysql
mysql> create database bbs;
mysql> grant all on bbs.* to  'bbsuser' @ '172.16.%.%'  identified by  'bbspass' ;
mysql> flush privileges;
######註釋：建立一個數據庫並受權用戶，方便後面安裝論壇使用到

六、測試受權用戶是否能使用"172.16.0.0"網段的主機鏈接,遠程主機請肯定安裝了mysql客戶端

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[root@java ~] # mysql -ubbsuser -pbbspass -h 172.16.14.4 -e 'show databases';
+--------------------+
| Database           |
+--------------------+
| information_schema |
| bbs                |
|  test                |
+--------------------+
######能夠遠程查詢到數聽說明已鏈接成功

4、安裝論壇

一、在java服務器上安裝論壇程序

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######建立網站存放目錄
[root@java ~] # mkdir /web
[root@java ~] # unzip JspRun\!_6.0.0_GBK.zip
[root@java ~] # mv upload /web/bbs
------------------------------------------------------------------------
######修改Tomcat的默認訪問端口8080爲80
     <Connector port= "80"  protocol= "HTTP/1.1"
                connectionTimeout= "20000"
                redirectPort= "8443"  />
######修改tomcat主配置文件添加虛擬主機
     <Engine name= "Catalina"  defaultHost= "www.allen.com" >
       <Host name= "www.allen.com"   appBase= "/web/bbs"
             unpackWARs= "true"  autoDeploy= "true" >
         <Valve className= "org.apache.catalina.valves.AccessLogValve"  directory= "logs"
                prefix= "bbs_access_log."  suffix= ".txt"
                pattern= "%h %l %u %t &quot;%r&quot; %s %b"  />
         <Context path= ""  docBase= "/web/bbs"  />
       < /Host >
註釋：將 "<Host>" 標記的段添加到 "Engine" 中,而 "Engine" 中的默認主機改成定義的主機名稱；
name:主機名稱
defaultHost：默認訪問的主機名稱
appBase：網站目錄
unpackWARS：是否自動解壓 "war" 格式的包
autoDeploy：是否自動部署應用程序
className：類名稱
prefix：日誌名稱
suffix：日誌後綴名
pattern：日誌格式
"Context" 標記中path：虛擬目錄名稱，docBase：虛擬目錄路徑
======================================================================
######修改論壇配置文件，指定數據庫主機，數據用戶名密碼及數據庫名稱
[root@java conf] # cd /web/bbs/
[root@java bbs] # vim config.properties
dbhost = 172.16.14.4
dbport=3306
dbuser = bbsuser
dbpw = bbspass
dbname = bbs
======================================================================
######啓動Tomcat服務並查看端口
[root@java ~] # catalina.sh start
Using CATALINA_BASE:    /usr/local/tomcat
Using CATALINA_HOME:    /usr/local/tomcat
Using CATALINA_TMPDIR:  /usr/local/tomcat/temp
Using JRE_HOME:         /usr/java/latest
Using CLASSPATH:        /usr/local/tomcat/bin/bootstrap .jar: /usr/local/tomcat/bin/tomcat-juli .jar
[root@java ~] # ss -tanlp | grep 80
LISTEN     0      100      :::80    :::*       users :(( "java" ,7493,40))
LISTEN     0      1        ::ffff:127.0.0.1:8005   :::*       users :(( "java" ,7493,53))
LISTEN     0      100      :::8009  :::*       users :(( "java" ,7493,41))

二、安裝論壇程序

103047532.gif

 

三、點擊下一步-->我贊成-->下一步，進入數據庫配置頁面

103229466.gif

 

四、點下一步-->(填寫管理員密碼)下一步-->進入建立數據表階段-->而後點103517659.gif-->進入首頁

103622430.gif

 

五、將論壇程序拷貝到web服務器上面一份，由於WEB服務器要解析靜態文件

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######建立網站存放目錄
[root@web ~] # mkdir /web
[root@web ~] # scp -r 172.16.14.3:/web/bbs /web/
######修改Nginx主配置文件
[root@web ~] # vim /etc/nginx/nginx.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 /host .access.log  main;
         location / {
             root    /web/bbs ;
             index  index.html index.htm;
######註釋：開啓訪問日誌功能；修改虛擬主機指定網站網站目錄爲"/web/bbs"
----------------------------------------------------------------------
######建立一個靜態測試頁方便後面測試
[root@web ~] # echo '<h1>WEB：172.16.14.2</h1>' > /web/bbs/index.html
[root@web ~] # mkdir /usr/local/nginx/logs  #建立日誌存放目錄
[root@web ~] # service nginx restart

5、安裝配置Nginx前端服務器

一、安裝方法與第三部分的nginx安裝方法相同，這裏就再也不介紹如何安裝

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[root@nginx ~] # vim /etc/nginx/nginx.conf
user  nginx nginx;
worker_processes  2;
worker_rlimit_nofile 51200;
#error_log  logs/error.log;
#pid        logs/nginx.pid;
events {
     use epoll;
     worker_connections  51200;
}
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;
     client_max_body_size 20m;
     client_header_buffer_size 16k;
     large_client_header_buffers 4 16k;
     sendfile        on;
     tcp_nopush     on;
     keepalive_timeout  65;
     gzip   on;
     gzip_min_length 1k;
     gzip_buffers 4 16k;
     gzip_proxied   any;
     gzip_http_version 1.1;
     gzip_comp_level 3;
     gzip_types text /plain  application /x-javascript  text /css  application /xml ;
     gzip_vary on;
     proxy_temp_path    /tmp/proxy_temp ;
     proxy_cache_path   /tmp/proxy_cache  levels=1:2 keys_zone=cache_one:500m inactive=1d max_size=3g;
     proxy_connect_timeout    50;
     proxy_read_timeout       600;
     proxy_send_timeout       600;
     proxy_buffer_size        128k;
     proxy_buffers           16 256k;
     proxy_busy_buffers_size 512k;
     proxy_temp_file_write_size 1024m;
     proxy_next_upstream error timeout invalid_header http_500 http_503 http_404 http_502 http_504;
     server {
         listen       80;
         server_name  www.allen.com;
         access_log  logs /host .access.log  main;
         location / {
         proxy_pass http: //172 .16.14.3;
         }
     location ~* \.(|html|htm|jpg|jpeg|png|gif|bmp|swf|ico)$ {
         proxy_pass http: //172 .16.14.2;
     }
     location ~* \.(jsp|css| do )$ {
         proxy_pass http: //172 .16.14.3;
     }
         #error_page  404              /404.html;
         # redirect server error pages to the static page /50x.html
         #
         error_page   500 502 503 504   /50x .html;
         location =  /50x .html {
             root   html;
         }
     }
}
======================================================================
[root@nginx ~] # service nginx start

二、修改Nginx主配置文件

6、驗證服務

一、在客戶端使用"www.allen.com"域名訪問測試，注意：因爲沒有"DNS"服務器解析須要修改hosts文件來解析

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######添加以下內容解析
C:\Windows\System32\drivers\etc\hosts
172.16.14.1    www.allen.com

 
112659945.gif
二、訪問靜態測試頁
115153642.gif
 

二、查看web服務器上nginx訪問日誌

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[root@web ~] # tail -5 /usr/local/nginx/logs/host.access.log
172.16.14.1 - - [23 /Sep/2013 :22:38:39 +0800]  "GET /images/common/softkeyboard.gif HTTP/1.0"  304 0  "http://www.allen.com/include/css/keyboard.css"  "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Firefox/24.0"  "-"
172.16.14.1 - - [23 /Sep/2013 :22:38:39 +0800]  "GET /images/default/link.gif HTTP/1.0"  304 0 "http://www.allen.com/forumdata/cache/style_1.css"  "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Firefox/24.0"  "-"
172.16.14.1 - - [23 /Sep/2013 :23:04:02 +0800]  "GET /index.html HTTP/1.0"  304 0  "-"  "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Firefox/24.0"  "-"
172.16.14.1 - - [23 /Sep/2013 :22:38:39 +0800]  "GET /images/default/forumbox_head.gif HTTP/1.0" 304 0  "http://www.allen.com/forumdata/cache/style_1.css"  "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Firefox/24.0"  "-"
172.16.14.1 - - [23 /Sep/2013 :23:04:01 +0800]  "GET /index.html HTTP/1.0"  200 25  "-"  "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Firefox/24.0"  "-"
----------------------------------------------------------------------
######由上可見，訪問"www.allen.com"域名時，全部靜態內容都轉發到web服務器上；如圖片

三、查看java服務器上Tomcat訪問日誌

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[root@java ~] # tail -5 /usr/local/tomcat/logs/bbs_access_log.2013-09-14.txt
172.16.14.1 - - [14 /Sep/2013 :23:26:57 +0800]  "GET /forumdata/cache/style_1.css HTTP/1.0"  304 -
172.16.14.1 - - [14 /Sep/2013 :23:26:57 +0800]  "GET /forumdata/cache/style_1_append.css HTTP/1.0" 304 -
172.16.14.1 - - [14 /Sep/2013 :23:27:02 +0800]  "GET /member.jsp?action=list HTTP/1.0"  200 6839
172.16.14.1 - - [14 /Sep/2013 :23:27:02 +0800]  "GET /forumdata/cache/style_1_append.css HTTP/1.0" 304 -
172.16.14.1 - - [14 /Sep/2013 :23:27:02 +0800]  "GET /forumdata/cache/style_1.css HTTP/1.0"  304 -
------------------------------------------------------------------------
######由上可見，訪問的動態內容都轉發到Java服務器來解析；如jsp結尾的文件

到此，Nginx+Tomcat實現WEB網站的動、靜分離已經完成；後面將會更新Apache+Tomcat如何實現Apache代理Tomcat及如何實現會話保存...

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