在工做中,開發但願能從Nginx日誌中獲取POST的數據信息,先記錄下來nginx
在日誌格式後面加上 $request_body 配置信息 log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for" $request_body'; 在server中添加打印日誌的操做 access_log logs/access.log main;
本覺得問題解決了,開發有要求在日誌中添加上 服務器響應返回的數據git
目前的 nginx 是不支持輸出 response 報文體的 使用body_filter_by_lua
來分配請求報文體給一個nginx
變量。下面是一個示例github
1:下載安裝LuaJIT服務器
# wget http://luajit.org/download/LuaJIT-2.0.2.tar.gz # tar -xzvf LuaJIT-2.0.2.tar.gz # cd LuaJIT-2.0.2 # make 出現以下內容表示編譯成功 OK Successfully built LuaJIT make[1]: Leaving directory `/usr/local/src/LuaJIT-2.0.2/src' ==== Successfully built LuaJIT 2.0.2 ==== # make install 出現以下內容,表示安裝成功 ==== Successfully installed LuaJIT 2.0.2 to /usr/local ====
2:下載準備nginx lua模塊 session
wget https://github.com/chaoslawful/lua-nginx-module/archive/v0.8.6.tar.gz tar -xzvf lua-nginx-module-0.8.6.tar.gz mv lua-nginx-module-0.8.6 /usr/local/src/lua-nginx-module-0.8.6
3:安裝nginxcurl
tar zxf nginx-1.16.1.tar.gz cd nginx-1.16.1 //先導入環境變量,告訴nginx去哪裏找luajit export LUAJIT_LIB=/usr/local/lib export LUAJIT_INC=/usr/local/include/luajit-2.0 ./configure --prefix=/usr/local/nginx --add-module=/usr/local/src/lua-nginx-module-0.8.6 --with-http_ssl_module --with-http_stub_status_module --with-pcre make j2 make install
常見錯誤處理:測試
/usr/local/nginx-1.4.2/sbin/nginx -v ./objs/nginx: error while loading shared libraries: libluajit-5.1.so.2: cannot open shared object file: No such file or directory 解決方法: # ln -s /usr/local/lib/libluajit-5.1.so.2 /lib64/libluajit-5.1.so.2
4:配置Nginxui
nginx配置文件加入以下配置: location /test { default_type 'text/plain'; content_by_lua 'ngx.say("hello, ttlsa lua")'; }
5:訪問測試lua
curl http://127.0.0.1/test hello, ttlsa lua //使用curl測試,返回數據表示安裝成功
6:Nginx日誌配置url
log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for" $request_body resp_body:"$resp_body"';
在server中添加相應的配置:
lua_need_request_body on; set $resp_body ""; body_filter_by_lua ' local resp_body = string.sub(ngx.arg[1], 1, 1000) ngx.ctx.buffered = (ngx.ctx.buffered or"") .. resp_body if ngx.arg[2] then ngx.var.resp_body = ngx.ctx.buffered end ';
以下事例:
server { listen 443 ssl; server_name xxxx.com; # ssl on; ssl_certificate /usr/local/nginx/conf/keys/public.pem; ssl_certificate_key /usr/local/nginx/conf/keys/private.key; ssl_session_cache shared:SSL:1m; ssl_session_timeout 5m; ssl_protocols TLSv1 TLSv1.1 TLSv1.2; ssl_ciphers ECDH:AESGCM:HIGH:!RC4:!DH:!MD5:!3DES:!aNULL:!eNULL; ssl_prefer_server_ciphers on; lua_need_request_body on; set $resp_body ""; body_filter_by_lua ' local resp_body = string.sub(ngx.arg[1], 1, 1000) ngx.ctx.buffered = (ngx.ctx.buffered or"") .. resp_body if ngx.arg[2] then ngx.var.resp_body = ngx.ctx.buffered end '; location / { proxy_pass http://127.0.0.1:8080; proxy_redirect off ; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header REMOTE-HOST $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header User-Agent $http_user_agent; proxy_set_header Referer $http_referer; client_max_body_size 50m; client_body_buffer_size 256k; proxy_connect_timeout 300; proxy_send_timeout 300; proxy_read_timeout 300; proxy_next_upstream error timeout invalid_header http_500 http_503 http_404; proxy_max_temp_file_size 128m; proxy_buffer_size 512k; proxy_buffers 16 512k; proxy_busy_buffers_size 512k; proxy_temp_file_write_size 512k; } access_log /tmp/faceauth.log main; }
啓動Nginx,打印日誌,就能夠看到相關數據。