nginx响应消息记录方法

log_by.lua

local chunk, eof = ngx.arg[1], ngx.arg[2]
local buffered = ngx.ctx.buffered
if not buffered then
    buffered = {}
    ngx.ctx.buffered = buffered
end
if  chunk ~= "" then
    buffered[#buffered + 1] = chunk
    ngx.arg[1] = nil
end
if eof then
    local whole = table.concat(buffered)
    ngx.ctx.buffered = nil
    ngx.arg[1] = whole
    ngx.var.resp_body = ngx.arg[1]
end

nginx.conf

#user  nobody;
worker_processes  4;

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

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}


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"';
	log_format mylog  escape=none '浏览器IP地址:$remote_addr|本地时间:$time_iso8601|请求方法:$request_method|请求URI:$request_uri|状态码:$status|响应时间:$upstream_response_time|请求体:$request_body|响应体:$resp_body|响应数据大小:$bytes_sent|响应体大小:$body_bytes_sent|客户端代理:$http_user_agent';
	log_escape_non_ascii off;

    #access_log  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
        listen       80;
        server_name  localhost;

        #charset koi8-r;
		charset utf-8;
        #access_log  logs/host.access.log  main;
		
		if ($time_iso8601 ~ "^(\d{4})-(\d{2})-(\d{2})") {
			set $date $1$2$3;
		}
		
		set $resp_body "";
		lua_need_request_body on;
		body_filter_by_lua_file  lua/log_by.lua;
		access_log  logs/access_$date.log  mylog;
		


        location / {
            root   html;
            try_files $uri $uri/ /index.html;
        }
		
		location /api {
			proxy_pass http://192.168.1.42:8080/configmanage;
			access_log  logs/access_api_$date.log  mylog;
			#proxy_set_header   X-Forwarded-Proto $scheme;
			#proxy_set_header   Host              $http_host;
			#proxy_set_header   X-Real-IP         $remote_addr;
		}

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #    root           html;
        #    fastcgi_pass   127.0.0.1:9000;
        #    fastcgi_index  index.php;
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
        #    include        fastcgi_params;
        #}

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }


    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443 ssl;
    #    server_name  localhost;

    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

}