nginx+tomcat+memcached构建session共享集群

| 分类 linux  | 标签 tomcat  memcached  msm  linux 

一、安装配置tomcat

配置前说明：

系统为centos7

m1.xsllqs.com地址为192.168.1.107

c1.xsllqs.com地址为192.168.1.114

c2.xsllqs.com地址为192.168.1.113

安装tomcat需要配合JDK使用，JDK有oracle JDK和open JDK两种

oracle JDK8的下载地址：http://www.oracle.com/technetwork/cn/java/javase/downloads/jdk8-downloads-2133151-zhs.html

tomcat的下载地址：http://tomcat.apache.org/

c1.xsllqs.com(192.168.1.114)下载安装jdk（建议加载到本地在传上去）和tomcat

[root@c1 ~]# wget http://download.oracle.com/otn-pub/java/jdk/8u73-b02/jdk-8u73-linux-x64.rpm
[root@c1 ~]# wget http://mirror.bit.edu.cn/apache/tomcat/tomcat-8/v8.0.36/bin/apache-tomcat-8.0.36.tar.gz
[root@c1 ~]# ls
apache-tomcat-8.0.36.tar.gz  jdk-8u73-linux-x64.rpm

[root@c1 ~]# yum install jdk-8u73-linux-x64.rpm
[root@c1 ~]# vim /etc/profile.d/java.sh
export JAVA_HOME=/usr/java/latest
export PATH=$JAVA_HOME/bin:$PATH

[root@c1 ~]# . /etc/profile.d/java.sh
[root@c1 ~]# java -version
java version "1.8.0_73"

[root@c1 ~]# tar xf apache-tomcat-8.0.36.tar.gz -C /usr/local
[root@c1 ~]# cd /usr/local/
[root@c1 local]# ln -sv apache-tomcat-8.0.36 tomcat
"tomcat" -> "apache-tomcat-8.0.36"

[root@c1 tomcat]# vim /etc/profile.d/tomcat.sh
export CATALINA_HOME=/usr/local/tomcat
export PATH=$CATALINA_HOME/bin:$PATH

[root@c1 tomcat]# . /etc/profile.d/tomcat.sh

c2.xsllqs.com(192.168.1.113)下载安装jdk和tomcat

[root@c2 ~]# wget http://download.oracle.com/otn-pub/java/jdk/8u73-b02/jdk-8u73-linux-x64.rpm
[root@c2 ~]# wget http://mirror.bit.edu.cn/apache/tomcat/tomcat-8/v8.0.36/bin/apache-tomcat-8.0.36.tar.gz
[root@c2 ~]# ls
apache-tomcat-8.0.36.tar.gz  jdk-8u73-linux-x64.rpm
[root@c2 ~]# yum install jdk-8u73-linux-x64.rpm 
[root@c2 ~]# vim /etc/profile.d/java.sh
export JAVA_HOME=/usr/java/latest
export PATH=$JAVA_HOME/bin:$PATH

[root@c2 ~]# . /etc/profile.d/java.sh
[root@c2 ~]# java -version
java version "1.8.0_73"

[root@c2 ~]# tar xf apache-tomcat-8.0.36.tar.gz -C /usr/local
[root@c2 ~]# cd /usr/local/
[root@c2 local]# ln -sv apache-tomcat-8.0.36 tomcat
"tomcat" -> "apache-tomcat-8.0.36"

[root@c2 tomcat]# vim /etc/profile.d/tomcat.sh
export CATALINA_HOME=/usr/local/tomcat
export PATH=$CATALINA_HOME/bin:$PATH

[root@c2 tomcat]# . /etc/profile.d/tomcat.sh

二、修改tomcat配置文件

[root@c1 tomcat]# cd /usr/local/tomcat/webapps/
[root@c1 webapps]# mkdir myapp/{lib,classes,WEB-INF,META-INF} -pv
[root@c1 webapps]# cd myapp/

添加c1和c2的主页文件

[root@c1 myapp]# vim indix.jsp
<%@ page language="java" %>
<html>
  <head><title>Tomcat1</title></head>
  <body>
    <h1><font color="red">c1.xsllqs.com</font></h1>
    <table align="centre" border="1">
      <tr>
        <td>Session ID</td>
    <% session.setAttribute("xsllqs.com","xsllqs.com"); %>
        <td><%= session.getId() %></td>
      </tr>
      <tr>
        <td>Created on</td>
        <td><%= session.getCreationTime() %></td>
     </tr>
    </table>
  </body>
</html>

[root@c2 myapp]# vim indix.jsp

<%@ page language="java" %>
<html>
  <head><title>Tomcat2</title></head>
  <body>  
    <h1><font color="blue">c2.xsllqs.com</font></h1>
    <table align="centre" border="1">
      <tr>    
        <td>Session ID</td> 
    <% session.setAttribute("xsllqs.com","xsllqs.com"); %>
        <td><%= session.getId() %></td> 
      </tr>   
      <tr>    
        <td>Created on</td> 
        <td><%= session.getCreationTime() %></td> 
     </tr>   
    </table>
  </body> 
</html>

修改tomcat-user.xml（c1和c2都要改）

[root@c1 conf]# vim /usr/local/tomcat/conf/tomcat-users.xml
#在</tomcat-users>中添加
  <role rolename="manager-gui"/>
  <role rolename="admin-gui"/>
  <user username="tomcat" password="<tomcat>" roles="manager-gui,admin-gui"/>

修改server.xml（c1和c2都要改）

[root@c1 conf]# vim /usr/local/tomcat/conf/server.xml
#修改主配置文件,appBase后面是应用的相对路径也可以是绝对路径
<Host name="localhost"  appBase="webapps"
unpackWARs="true" autoDeploy="true">
#这里是访问日志的设置
<Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
               prefix="localhost_access_log" suffix=".txt"
               pattern="%h %l %u %t &quot;%r&quot; %s %b" />
#这里设置Context调用msm需要的组件，m1为主c2为备，因为我这里只有3台机器所以把c2作为备，正常情况是4台，2台memcached和2台tomcat
<Context path="/myapp" docBase="/usr/local/tomcat/webapps/myapp" reloadable="true">
              <Manager className="de.javakaffee.web.msm.MemcachedBackupSessionManager"
               memcachedNodes="m1:192.168.1.107:11211,c2:192.168.1.113:11211"
                failoverNodes="m1"
                requestUriIgnorePattern=".*\.(ico|png|gif|jpg|css|js)$"
				transcoderFactoryClass="de.javakaffee.web.msm.serializer.javolution.JavolutionTranscoderFactory"
              />
             </Context>

测试配置文件

[root@c1 ~]# catalina.sh configtest
[root@c2 ~]# catalina.sh configtest
[root@c1 ~]# catalina.sh start
[root@c2 ~]# catalina.sh start

三、安装msm

c1和c2上下载msm需要的jar包

[root@c1 ~]# wget http://repo1.maven.org/maven2/de/javakaffee/msm/memcached-session-manager/1.9.4/memcached-session-manager-1.9.4.jar
[root@c1 ~]# wget http://repo1.maven.org/maven2/de/javakaffee/msm/memcached-session-manager-tc8/1.9.4/memcached-session-manager-tc8-1.9.4.jar
[root@c1 ~]# wget http://repo1.maven.org/maven2/de/javakaffee/msm/msm-javolution-serializer/1.9.4/msm-javolution-serializer-1.9.4.jar
[root@c1 ~]# wget http://repo1.maven.org/maven2/net/spy/spymemcached/2.11.1/spymemcached-2.11.1.jar
[root@c1 ~]# wget http://www.java2s.com/Code/JarDownload/javolution/javolution-5.4.3.1.jar.zip

[root@c1 ~]# mv javolution-5.4.3.1.jar memcached-session-manager-1.9.4.jar memcached-session-manager-tc8-1.9.4.jar msm-javolution-serializer-1.9.4.jar spymemcached-2.11.1.jar /usr/local/tomcat/lib/

m1和c2上安装memcached

[root@m1 ~]# yum install memcached
[root@c2 ~]# yum install memcached

m1上安装nginx修改nginx的配置文件

[root@m1 ~]# yum install nginx
[root@m1 ~]# vim /etc/nginx/nginx.conf
#server外加入
upstream tcsrvs {
    server 192.168.1.114:8080;
    server 192.168.1.113:8080;
}
#server内加入
    location ~* \.(jsp|do)$ {
        proxy_pass http://tcsrvs;
    }
[root@m1 ~]# nginx -t

启动服务

[root@m1 ~]# systemctl start nginx.service
[root@m1 ~]# systemctl start memcached
[root@c2 ~]# systemctl start memcached

四、测试

c1.xsllqs.com

c2.xsllqs.com

c3.xsllqs.com


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