nginx反向代理及缓存清理

#下载安装包 wget http://nginx.org/download/nginx-1.13.7.tar.gz wget http://labs.frickle.com/files/ngx_cache_purge-2.3.tar.gz wget https://nchc.dl.sourceforge.net/project/pcre/pcre/8.40/pcre-8.41.tar.bz2

#--------------- 在未安装nginx的情况下安装ngx_cache_purge ---------------# cd nginx-1.13.7 ./configure --prefix=/usr/local/nginx
--with-pcre=/opt/pcre-8.41
--user=www
--group=www
--with-http_stub_status_module
--with-http_ssl_module
--with-http_flv_module
--with-http_gzip_static_module --add-module=/opt/ngx_cache_purge-2.3

make make install

#--------------- 在已安装nginx情况下安装ngx_cache_purge ---------------# cd nginx-1.13.7 ./configure --prefix=/usr/local/nginx
--with-pcre=/opt/pcre-8.41
--user=www
--group=www
--with-http_stub_status_module
--with-http_ssl_module
--with-http_flv_module
--with-http_gzip_static_module --add-module=/opt/ngx_cache_purge-2.3

make //千万不要make install，不然就真的覆盖了

/etc/init.d/nginx stop mv /usr/local/nginx/sbin/nginx /usr/local/nginx/sbin/nginx.bak cp objs/nginx /usr/local/nginx/sbin/nginx

#nginx反向代理及缓存清理

#user nobody; worker_processes 8;

#error_log logs/error.log; #error_log logs/error.log notice; #error_log logs/error.log info;

#pid logs/nginx.pid;

events { worker_connections 65535; }

http { include mime.types; default_type application/octet-stream;

#log_format  main  '$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  main;
sendfile        off;
tcp_nopush     on;
keepalive_timeout  300;
#nginx跟后端服务器连接超时时间(代理连接超时)
proxy_connect_timeout 300s; 
#连接成功后，后端服务器响应时间(代理接收超时)
proxy_read_timeout 300s; 
proxy_send_timeout 300s; 
#设置代理服务器（nginx）保存用户头信息的缓冲区大小
proxy_buffer_size 64k;
#proxy_buffers缓冲区，网页平均在32k以下的话，这样设置
proxy_buffers 4 32k;
#高负荷下缓冲大小（proxy_buffers*2）
proxy_busy_buffers_size 64k; 
#设定缓存文件夹大小，大于这个值，将从upstream服务器传递请求，而不缓冲到磁盘
proxy_temp_file_write_size 64k; 
#不允许代理端主动关闭连接
proxy_ignore_client_abort on;
proxy_cache_path /data/cache1 levels=1:2 keys_zone=cache_blufly:20m inactive=1d max_size=1g;
fastcgi_connect_timeout 300;
fastcgi_send_timeout 300;
fastcgi_read_timeout 300;
fastcgi_buffer_size 64k;
fastcgi_buffers 4 64k;
fastcgi_busy_buffers_size 128k;
fastcgi_temp_file_write_size 128k;
gzip on;
gzip_min_length  1k;
gzip_buffers     4 16k;
gzip_http_version 1.0;
gzip_comp_level 2;
gzip_types       text/plain application/x-javascript text/css application/xml;
gzip_vary on;

#禁止非指定域名访问
server {
listen 80 default;
server_name  _;
return 500;
}

#www.blufly.com前端缓存
server
{
listen	80;
server_name	blufly.com www.blufly.com;
add_header X-Via $server_addr;
add_header X-Cache $upstream_cache_status;
#301重定向设置
if ($host != 'www.blufly.com' ) 
{
	rewrite ^/(.*)$ http://www.blufly.com/$1 permanent;
}
location /
{
	proxy_cache cache_blufly;
	proxy_cache_valid 200 302 3h;
	proxy_cache_key $uri$is_args$args;
	proxy_set_header Host www.blufly.com;
	proxy_set_header X-Forwarded-For $remote_addr;
	proxy_pass http://192.168.5.31:80/;
	expires      1d;
}
#使用ngx_cache_purge清理缓存
    location ~ /purge(/.*) {
	allow              127.0.0.1;
	allow              192.168.5.0/24;
	deny               all;
	proxy_cache_purge  cache_blufly $1$is_args$args;
    }
access_log off;
}

}

#---------------- nginx缓存清理脚本 ------------------------# cat atuo_nginx_cache_clean.sh

#!/bin/bash mfile="$*" cache_dir=/data/cache1 echo $mfile if [ "$#" -eq 0 ] then echo "please input scripts, if not, it will exit" sleep 2 && exit fi echo "what you put $mfile will delete, please wait..." for i in echo $mfile | sed 's/ /\n/g' do grep -ira $i $cache_dir | awk -F ':' '{print $1}' > /tmp/cache_list.txt for j in cat /tmp/cache_list.txt do rm -rf $j echo "$i $j is delete Success!" done done

#脚本用法 ./atuo_nginx_cache_clean.sh aa.jpg bb.js cc.html