haproxy+varnish实现discuz论坛的动静分离以及静态缓存
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一、目的:
(1) 动静分离discuzx,静态资源通过NFS挂载至动态服务器中;
(2) varnish缓存静态资源;
二、拓扑规划
三、步骤:
1、先部署discuz的动静分离
(1)在app动态服务器快速搭建LAMP环境:
yum install -y httpd mysql-server php php-mysql
(2)创建discuz论坛的mysql用户:
MySQL [(none)]> GRANT ALL ON *.* TO ‘nihao‘@‘localhost‘ IDENTIFIED BY ‘123456‘; MySQL [(none)]> FLUSH PRIVILEGES;
(3)部署discuz论坛程序:
[[email protected] html]# unzip Discuz_X3.2_SC_UTF8.zip
(4)要实现discuz的动静分离,首先要了解discuz的动静资源的存放目录位置,在discuz的根目录upload目录中,data和static存放的是静态资源:
[[email protected] upload]# tree -L 1 . ├── admin.php ├── api ├── api.php ├── archiver ├── config ├── connect.php ├── cp.php ├── crossdomain.xml ├── data #静态资源 ├── favicon.ico ├── forum.php ├── group.php ├── home.php ├── index.php ├── install ├── member.php ├── misc.php ├── plugin.php ├── portal.php ├── robots.txt ├── search.php ├── source ├── static #静态资源 ├── template ├── uc_client ├── uc_server └── userapp.php 10 directories, 17 files
(5)知道了静态资源的位置,接下来就可以搭建static静态资源的静态服务器了,首先,快速搭建LAMP环境,这里就不演示了,搭建完成后启动NFS和配置NFS:
[[email protected] ~]# yum install -y rpcbind nfs-utils [[email protected] ~]# vim /etc/exports #编辑NFS共享目录 [[email protected] ~]# cat !$ cat /etc/exports /var/www/html/upload/data 10.1.0.0/16(rw) /var/www/html/upload/static 10.1.0.0/16(rw) [[email protected] ~]# service rpcbind start [[email protected] ~]# service ntf start [[email protected] ~]# showmount -e 10.1.249.30 Export list for 10.1.249.30: /var/www/html/upload/static 10.1.0.0/16 /var/www/html/upload/data 10.1.0.0/16
(6)回过头来,先把动态服务的初始化静态内容复制到静态服务器上,再动态服务器上将静态资源的两个目录挂上去:
[[email protected] ~]# scp /var/www/html/upload/static/* 10.1.249.30:/var/www/html/upload/static/* #拷贝文件时路径要一致 [[email protected] ~]# scp /var/www/html/upload/data/* 10.1.249.30:/var/www/html/upload/data/* [[email protected] ~]# mount.nfs 10.1.249.30:/var/www/html/upload/static/ /var/www/html/upload/static/ #挂载NFS [[email protected] ~]# mount.nfs 10.1.249.30:/var/www/html/upload/data/ /var/www/html/upload/data/
(7)OK,接下来可以安装haproxy来进行设置acl调度了:
[[email protected] ~]# yum install -y haproxy [[email protected] ~]# cat /etc/haproxy/haproxy.cfg #--------------------------------------------------------------------- # Example configuration for a possible web application. See the # full configuration options online. # # http://haproxy.1wt.eu/download/1.4/doc/configuration.txt # #--------------------------------------------------------------------- #--------------------------------------------------------------------- # Global settings #--------------------------------------------------------------------- global # to have these messages end up in /var/log/haproxy.log you will # need to: # # 1) configure syslog to accept network log events. This is done # by adding the ‘-r‘ option to the SYSLOGD_OPTIONS in # /etc/sysconfig/syslog # # 2) configure local2 events to go to the /var/log/haproxy.log # file. A line like the following can be added to # /etc/sysconfig/syslog # # local2.* /var/log/haproxy.log # log 127.0.0.1 local2 chroot /var/lib/haproxy pidfile /var/run/haproxy.pid maxconn 4000 user haproxy group haproxy daemon # turn on stats unix socket stats socket /var/lib/haproxy/stats #--------------------------------------------------------------------- # common defaults that all the ‘listen‘ and ‘backend‘ sections will # use if not designated in their block #--------------------------------------------------------------------- defaults mode http log global option httplog option dontlognull option http-server-close option forwardfor except 127.0.0.0/8 option redispatch retries 3 timeout http-request 10s timeout queue 1m timeout connect 10s timeout client 1m timeout server 1m timeout http-keep-alive 10s timeout check 10s maxconn 3000 #--------------------------------------------------------------------- # main frontend which proxys to the backends #--------------------------------------------------------------------- listen stats mode http bind *:1080 stats enable stats hide-version stats uri /admin stats realm Haproxy\ Statistics stats auth admin:admin stats admin if TRUE frontend main bind *:80 acl url_static path_beg -i /static /images /javascript /stylesheets acl url_static path_end -i .jpg .gif .png .css .js .html .ico use_backend static if url_static default_backend app #--------------------------------------------------------------------- # static backend for serving up images, stylesheets and such #--------------------------------------------------------------------- backend static balance roundrobin server static 10.1.249.30:80 check rspadd X-Via:static #启用响应报文首部标志,以便观察是静态服务器反馈的 #--------------------------------------------------------------------- # round robin balancing between the various backends #--------------------------------------------------------------------- backend app balance roundrobin server app 10.1.252.36:80 check rspadd X-Via:app #启用响应报文首部标志,以便观察是动态服务器反馈的
(8)OK,haproxy已经搭建完成,我们来测试一下:
haproxy状态页:
动态服务器响应:
静态服务器响应:
2、动静分离已经实现,接下来在静态资源添加varnish来缓存静态资源:
(9)安装配置varnish,由于前端haproxy已经进行了资源的分离,所以,varnish的配置基本用默认的配置就可以了
[[email protected] ~]# yum install -y varnish-3.0.7-1.el7.centos.x86_64.rpm [[email protected] ~]# vim /etc/varnish/default.vcl backend default { .host = "10.1.249.30"; .port = "80"; }
(10)修改HAproxy的配置文件,把静态资源的调度IP改为varnish:
[[email protected] ~]# cat /etc/haproxy/haproxy.cfg #--------------------------------------------------------------------- # Example configuration for a possible web application. See the # full configuration options online. # # http://haproxy.1wt.eu/download/1.4/doc/configuration.txt # #--------------------------------------------------------------------- #--------------------------------------------------------------------- # Global settings #--------------------------------------------------------------------- global # to have these messages end up in /var/log/haproxy.log you will # need to: # # 1) configure syslog to accept network log events. This is done # by adding the ‘-r‘ option to the SYSLOGD_OPTIONS in # /etc/sysconfig/syslog # # 2) configure local2 events to go to the /var/log/haproxy.log # file. A line like the following can be added to # /etc/sysconfig/syslog # # local2.* /var/log/haproxy.log # log 127.0.0.1 local2 chroot /var/lib/haproxy pidfile /var/run/haproxy.pid maxconn 4000 user haproxy group haproxy daemon # turn on stats unix socket stats socket /var/lib/haproxy/stats #--------------------------------------------------------------------- # common defaults that all the ‘listen‘ and ‘backend‘ sections will # use if not designated in their block #--------------------------------------------------------------------- defaults mode http log global option httplog option dontlognull option http-server-close option forwardfor except 127.0.0.0/8 option redispatch retries 3 timeout http-request 10s timeout queue 1m timeout connect 10s timeout client 1m timeout server 1m timeout http-keep-alive 10s timeout check 10s maxconn 3000 #--------------------------------------------------------------------- # main frontend which proxys to the backends #--------------------------------------------------------------------- listen stats mode http bind *:1080 stats enable stats hide-version stats uri /admin stats realm Haproxy\ Statistics stats auth admin:admin stats admin if TRUE frontend main bind *:80 acl url_static path_beg -i /static /images /javascript /stylesheets acl url_static path_end -i .jpg .gif .png .css .js .html .ico use_backend static if url_static default_backend app #--------------------------------------------------------------------- # static backend for serving up images, stylesheets and such #--------------------------------------------------------------------- backend static balance roundrobin server static 10.1.249.75:6081 check rspadd X-Via:static #--------------------------------------------------------------------- # round robin balancing between the various backends #--------------------------------------------------------------------- backend app balance roundrobin server app 10.1.252.36:80 check rspadd X-Via:app
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