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最近项目中涉及到旧老项目迁移,需要在nginx上做些配置,所以简单学习了下,好记性不如烂笔头,先记下来。 rewrite 首先查看下nginx是否支持rewrite: ./nginx -V 不支持说明安装nginx时候缺少pcre,需要重新安装nginx: #安装pcre wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.34.tar.gz tar -zxvf pcre-8.34.tar.gz cd pcre-8.34 ./configure make make install #安装nginx cd nginx-1.0.12 ./configure --conf-path=/usr/local/nginx/conf/nginx.conf \ --pid-path=/usr/local/nginx/nginx.pid \ --with-http_ssl_module \ --with-pcre=/usr/local/src/pcre-8.34 \ make make install #启动nginx ./nginx #重启nginx ./nginx –s reload 示例: 比如现有如下的nginx配置: worker_processes 24; #worker_cpu_affinity 0000000000000001; worker_rlimit_nofile 65535; error_log logs/error.log crit; pid logs/nginx.pid; events { use epoll; worker_connections 2048000; } http { include mime.types; default_type application/octet-stream; charset utf-8; sendfile on; tcp_nopush on; tcp_nodelay on; keepalive_timeout 60; client_max_body_size 10m; client_body_buffer_size 128k; upstream log { server 192.168.80.147:8338; } server { listen 6061; server_name 192.168.71.51; location / { proxy_pass http://log; proxy_redirect off; proxy_set_header Host $host; proxy_set_header Remote_Addr $remote_addr; proxy_set_header X-REAL-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 90; proxy_buffer_size 4k; proxy_buffers 4 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; } error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } log_format log '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log logs/access_log.log log; #设定查看Nginx状态的地址 location /NginxStatus { #stub_status on; access_log on; auth_basic "NginxStatus"; #auth_basic_user_file conf/htpasswd; } } } 现在需要作如下的重定向: 192.168.71.51/log.aspx –> 192.168.80.147:8338/log 192.168.71.51/do.aspx –> 192.168.80.147:8338/do 192.168.71.51/uplog.aspx –> 192.168.80.147:8338/log 可以如下配置: server { listen 6061; server_name 192.168.71.51; rewrite ^(.*)(?i)uplog.aspx(.*)$ $1log$2 break; rewrite ^(.*)(?i)log.aspx(.*)$ $1log$2 break; rewrite ^(.*)(?i)do.aspx(.*)$ $1do$2 break; location / { proxy_pass http://log; proxy_redirect off; proxy_set_header Host $host; proxy_set_header Remote_Addr $remote_addr; proxy_set_header X-REAL-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 90; proxy_buffer_size 4k; proxy_buffers 4 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; } 关于这里的rewrite配置主要说明以下几点:
根据url参数location 实际开发中经常有根据请求参数来路由到不同请求处理者的情况,根据POST请求参数需要些nginx插件,这里主要简单介绍下如何根据GET参数来路由。 还是上面的配置文件。比如我们希望访问http://192.168.71.51:6061/do1.aspx?t=1212&c=uplog当url中的参数c为config或uplog的时候(忽略大小写)我们路由到其他地方: 首先增加一个upstream,比如: …… upstream other { server 192.168.71.41:2210; } …… 然后在location里增加如下的判断即可: …… location / { if ( $query_string ~* ^(.*)c=config\b|uplog\b(.*)$ ){ proxy_pass http://other; } …… 关键是标红的行,$query_string表示url参数,后面是标准的正则匹配,需要的注意的是nginx中if有很多限制,语法很苛刻,具体参看上面的文档。 很简单却很实用的配置,希望能帮到正在找这方面信息的同学。 |
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