apache+tomcat配置动态二级域名
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apache2.2配置
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编译要求支持的组件：
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LoadModule proxy_module modules/mod_proxy.soLoadModule proxy_connect_module modules/mod_proxy_connect.soLoadModule proxy_http_module modules/mod_proxy_http.soLoadModule proxy_balancer_module modules/mod_proxy_balancer.soLoadModule alias_module modules/mod_alias.soLoadModule rewrite_module modules/mod_rewrite.so?
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编辑主配置文件：conf/httpd.conf，再文件结尾加入：
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ProxyRequests OffProxyPreserveHost on?
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打开虚拟主机配置的Include
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#Include conf/extra/httpd-vhosts.conf
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Include conf/extra/httpd-vhosts.conf?
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编辑虚拟主机配置文件 vi conf/extra/http-vhost.conf
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?1.默认虚拟主机，使用ip或任意域名访问
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# default host configuration for business and rm<VirtualHost *:80> ErrorLog "logs/error_default.log" LogLevel warn CustomLog "logs/access_default.log" combinedio ProxyPass / balancer://cluster-busi/ stickysession=jsessionid nofailover=Off ProxyPassReverse / balancer://cluster-busi/ # business ab+lb, Horizontal expansion of multiple business nodes <Proxy balancer://cluster-busi> BalancerMember http://10.10.10.181:8013 loadfactor=5 retry=10 BalancerMember http://10.10.10.182:8013 loadfactor=5 retry=10 ProxySet lbmethod=bybusyness </Proxy></VirtualHost>?
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2.域名访问
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? ?支持: http://www.domain.com 和http://username.domain.com
? ?对于二级域名：http://username.domain.com先使用rewrite重写为：http://username.domain.com/username/，然后再使用proxy转发到下层的tomcat集群处理
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<VirtualHost *:80> ServerName s3.amazonaws.com ServerAlias *.s3.amazonaws.com ErrorLog "logs/error_s3.log" LogLevel warn CustomLog "logs/access_s3.log" combinedio RewriteEngine on RewriteLog "logs/rewrite_s3.log" RewriteLogLevel 3 RewriteCond %{HTTP_HOST} !^s3\.amazonaws\.com$ RewriteCond %{HTTP_HOST} ^.+\.s3\.amazonaws\.com$ RewriteRule /(.*) /%{HTTP_HOST}/$1 RewriteRule /(.+)\.s3\.amazonaws\.com/(.*)$ /$1/$2 [PT] ProxyPass / balancer://cluster-s3/ nofailover=Off ProxyPassReverse / balancer://cluster-s3/ <Proxy balancer://cluster-s3> BalancerMember http://localhost:8080/awsintf loadfactor=1 retry=10 BalancerMember http://10.10.10.182:8013/oss loadfactor=5 retry=10 ProxySet lbmethod=byrequests </Proxy></VirtualHost>??
tomcat集群配置略。
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