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
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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