NAT集群部署solo之session server

author：JevonWei

版权声明：原创作品

使用Nginx做代理服务器，部署solo，使用session server做会话黏滞

拓扑图

环境

tomcatA    172.16.253.108

tomcatB    172.16.253.105

memcachedA 172.16.253.108

memcachedB 172.16.253.105

代理服务器 172.16.253.191

在Tomcat主机上搭建httpd服务，使httpd代理本机Tomcat应用,Nginx代理Tomcat

搭建Tomcat和Httpd服务器

TomcatA

[root@TomcatA ~]# yum -y install java-1.8.0-openjdk*

[root@TomcatA ~]# yum -y install tomcat-lib tomcat tomcat-webapps tomcat-docs-webapp tomcat-admin-webapps

[root@TomcatA ~]# iptables -F

[root@TomcatA ~]# setenforce  0

[root@TomcatA ~]# systemctl start tomcat

配置Tomcat测试页

[root@TomcatA ~]# mkdir /data/webapps/ROOT/{classes,lib,WEB-INF} -pv

[root@TomcatA ~]# vim /data/webapps/ROOT/index.jsp

    <%@ page language="java" %>

    <html>

        <head><title>TomcatB</title></head>

            <body>

            <h1><font color="blue">TomcatB.magedu.com</font></h1>

            <table align="centre" border="1">

                <tr>

                    <td>Session ID</td>

                <% session.setAttribute("magedu.com","magedu.com"); %>

                    <td><%= session.getId() %></td>

                </tr>

                <tr>

                    <td>Created on</td>

                    <td><%= session.getCreationTime() %></td>

                </tr>

            </table>

        </body>

    </html>

[root@TomcatA ~]# vim /etc/tomcat/server.xml

    <Engine name="Catalina" defaultHost="www.jevon1.com">

    </Host>

        <Host name="www.jevon1.com"  appBase="/data/webapps"

        unpackWARs="true" autoDeploy="true">

    </Host>

[root@TomcatA ~]# systemctl restart tomcat

搭建Httpd

[root@TomcatA ~]# yum -y install httpd

[root@TomcatA ~]# vim /etc/httpd/conf.d/tomcat.conf

    <VirtualHost *:80>

        ServerName www.jevon1.com

        ProxyRequests Off

        ProxyVia Off

        ProxyPreserveHost Off

        <Proxy *>

            Require all granted

        </Proxy>

        ProxyPass / http://172.16.253.108:8080/

        ProxyPassReverse / http://172.16.253.108:8080/

        <Location />

            Require all granted

        </Location>

    </VirtualHost>

[root@TomcatA ~]# systemctl start httpd

TomcatB

[root@TomcatB ~]# yum -y install java-1.8.0-openjdk*

[root@TomcatB ~]# yum -y install tomcat-lib tomcat tomcat-webapps tomcat-docs-webapp tomcat-admin-webapps

[root@TomcatB ~]# iptables -F

[root@TomcatB ~]# setenforce  0

[root@TomcatB ~]# systemctl start tomcat

配置Tomcat测试页

[root@TomcatB ~]# mkdir /data/webapps/ROOT/{classes,lib,WEB-INF} -pv

[root@TomcatB ~]# vim /data/webapps/ROOT/index.jsp

    <%@ page language="java" %>

    <html>

        <head><title>TomcatA</title></head>

            <body>

            <h1><font color="red">TomcatA.magedu.com</font></h1>

            <table align="centre" border="1">

                <tr>

                    <td>Session ID</td>

                <% session.setAttribute("magedu.com","magedu.com"); %>

                    <td><%= session.getId() %></td>

                </tr>

                <tr>

                    <td>Created on</td>

                    <td><%= session.getCreationTime() %></td>

                </tr>

            </table>

        </body>

    </html>

[root@TomcatB ~]# vim /etc/tomcat/server.xml

    <Engine name="Catalina" defaultHost="www.jevon2.com">

    </Host>

        <Host name="www.jevon2.com"  appBase="/data/webapps"

        unpackWARs="true" autoDeploy="true">

    </Host>

[root@TomcatB ~]# systemctl restart tomcat

搭建Httpd

[root@TomcatB ~]# yum -y install httpd

[root@TomcatB ~]# vim /etc/httpd/conf.d/tomcat.conf

    <VirtualHost *:80>

        ServerName www.jevon2.com

        ProxyRequests Off

        ProxyVia Off

        ProxyPreserveHost Off

        <Proxy *>

            Require all granted

        </Proxy>

        ProxyPass / http://172.16.253.108:8080/

        ProxyPassReverse / http://172.16.253.108:8080/

        <Location />

            Require all granted

        </Location>

    </VirtualHost>

[root@TomcatB ~]# systemctl start httpd

Haproxy代理

[root@nginx ~]# yum -y install haproxy

[root@nginx ~]# vim /etc/hosts

172.16.253.108 www.jevon1.com

172.16.253.105 www.jevon2.com

172.16.250.127 www.danran.com

[root@nginx ~]# vim /etc/nginx/nginx.conf

    http {

        upstream appsrvs {

            server www.jevon1.com:8080;

            server www.jevon2.com:8080;

        }

        server {

            listen 80;

            server_name www.danran.com;

            index index.jsp index.html;

            location / {

                proxy_pass http://appsrvs/;

            }

        }

    }

[root@nginx ~]# nginx -t

[root@nginx ~]# systemctl start nginx

安装后端memcached服务集群

程序下载 https://github.com/magro/memcached-session-manager/wiki/SetupAndConfiguration

下载相关程序到Tomcat主机的//usr/share/java/tomcat目录下

javolution-5.4.3.1.jar

memcached-session-manager-1.8.3.jar

memcached-session-manager-tc7-1.8.3.jar

msm-javolution-serializer-1.8.3.jar

spymemcached-2.11.1.jar /usr/share/java/tomcat

memcachedA

[root@TomcatA ~]# yum -y install memcached

[root@TomcatA ~]# systemctl start memcached.service

[root@TomcatA ~]# ss -ntl

memcachedB

[root@TomcatB ~]# yum -y install memcached

[root@TomcatB ~]# systemctl start memcached.service

[root@TomcatB ~]# ss -ntl

配置Tomcat连接memcached服务端

TomcatA

[root@TomcatA ~]# vim /etc/tomcat/server.xml

    <Engine name="Catalina" defaultHost="www.jevon1.com" jvmRoute="tcA">

     <Host name="www.jevon1.com"  appBase="/data/webapps"

        unpackWARs="true" autoDeploy="true">

        <Manager className="de.javakaffee.web.msm.MemcachedBackupSessionManager"

            memcachedNodes="n1:172.16.253.108:11211,n2:172.16.253.105:11211"

            failoverNodes="n1"

            requestUriIgnorePattern=".*\.(ico|png|gif|jpg|css|js)$"

            transcoderFactoryClass="de.javakaffee.web.msm.serializer.javolution.JavolutionTranscoderFactory"

        />

    </Host>

[root@TomcatB ~]# systemctl restart tomcat

TomcatB

[root@TomcatB ~]# vim /etc/tomcat/server.xml

    <Engine name="Catalina" defaultHost="localhost" jvmRoute="tcB">

    </Host>

   <Host name="localhost"  appBase="webapps"

        unpackWARs="true" autoDeploy="true">

    <Manager className="de.javakaffee.web.msm.MemcachedBackupSessionManager"

        memcachedNodes="n1:172.16.253.108:11211,n2:172.16.253.105:11211"

        failoverNodes="n1"

        requestUriIgnorePattern=".*\.(ico|png|gif|jpg|css|js)$"

        transcoderFactoryClass="de.javakaffee.web.msm.serializer.javolution.JavolutionTranscoderFactory"

      />

</Host>

[root@TomcatB ~]# systemctl restart tomcat

部署solo

[root@TomcatA ~]# vim /etc/tomcat/server.xml

<Engine name="Catalina" defaultHost="localhost" jvmRoute="tcA">

<Host name="localhost"  appBase="webapps"

        unpackWARs="true" autoDeploy="true">

 <Context path="/solo-2.2.0" docBase="solo-2.2.0" reloadable="true">

      <Manager className="de.javakaffee.web.msm.MemcachedBackupSessionManager"

        memcachedNodes="n1:172.16.253.108:11211,n2:172.16.253.105:11211"

        failoverNodes="n1"

        requestUriIgnorePattern=".*\.(ico|png|gif|jpg|css|js)$"

        transcoderFactoryClass="de.javakaffee.web.msm.serializer.javolution.JavolutionTranscoderFactory"

    />

</Context>

[root@TomcatA ~]# vim /etc/tomcat/tomcat-users.xml

<role rolename="manager-gui"/>  \\启用manager-gui管理组

<user username="tomcat" password="tomcat" roles="manager-gui"/> \\添加用户到manager-gui管理组中，用户为tomcat，密码为tomcat

[root@danran ~]# systemctl restart tomcat

浏览器http://172.16.253.105:8080/进入Manager App管理界面

选择solo应用的war文件部署

配置Tomcat的服务代理

[root@TomcatB webapps]# vim /etc/httpd/conf.d/tomcat.conf

    <VirtualHost *:80>

        ServerName www.jevon2.com

        ProxyRequests Off

        ProxyVia On

        ProxyPreserveHost On

        <Proxy *>

            Require all granted

        </Proxy>

        ProxyPass / http://172.16.253.105:8080/solo-2.2.0/

        ProxyPassReverse / http://172.16.253.105:8080/solo-2.2.0/

        <Location />

            Require all granted

        </Location>

    </VirtualHost>

[root@TomcatB webapps]# systemctl restart httpd

修改solo的服务器配置文件

[root@TomcatB ~]# vim  /usr/share/tomcat/webapps/solo-2.2.0/WEB-INF/classes/latke.properties

    serverHost=172.16.253.105 \\本机Tomcat的IP

[root@TomcatB ~]# systemctl restart tomcat

[root@TomcatB ~]# ss -ntl

TomcatB配置同TomcatA一致

client测试访问

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