A simple gray-scale publishing system based on Nginx+lua

Upstream.conf

Upstream grey_1                                                                                                                                                              {    keepalive;    Server localhost:8020;} Upstream grey_2{    keepalive;    Server localhost:8021;}

8020 conf

#vhost confserver{        
           Index index.php index.html index.do;        Root/var/html/webroot/grey_1;            Access_log "/data/logs/nginx/access.log";                                                                                                                Error_log  "/data/logs/nginx/error.log"  warn;            Location/{             if ' (!-e $request _filename) {                 rewrite ^/(. *)/index.php last;             }           }           Location ~ \. (Php|do) ($|/) {            Fastcgi_pass 127.0.0.1:9000;            Fastcgi_param  script_filename  $document _root$fastcgi_script_name;            Include Fastcgi_params;              Set $path _info $request _uri;             if ($request _uri ~ ^/(v\d) (\/.*) (\?. *) ($) {                set $path _info;                 break;            }               Fastcgi_param path_info $path _info;        }   }

8021 conf

#vhost confserver{        Listen 8021;            Index index.php index.html index.do;        Root/var/html/webroot/grey_2            Access_log "/data/logs/nginx/access.log";                                                                                                                Error_log  "/data/logs/nginx/error.log"  warn;            Location/{             if ' (!-e $request _filename) {                 rewrite ^/(. *)/index.php last;             }           }           Location ~ \. (Php|do) ($|/) {            Fastcgi_pass 127.0.0.1:9000;            Fastcgi_param  script_filename  $document _root$fastcgi_script_name;            Include Fastcgi_params;              Set $path _info $request _uri;             if ($request _uri ~ ^/(v\d) (\/.*) (\?. *) ($) {                set $path _info;                 break;            }               Fastcgi_param path_info $path _info;        }   }

Nginx.conf

#vhost conf    server{Listen 8000;    Index index.php index.html index.do;    Root/var/html/www/webroot/index;    Access_log/data/logs/index_access.log;    Error_log/data/logs/index_error.log warn;    Lua_code_cache off;      Location/lua {Content_by_lua ' Ngx.say ("Hello") ';         } location/{if (!-e $request _filename) {rewrite ^/(. *)/index.php last;        }} location/grey/{default_type ' text/plain ';        Proxy_set_header x-forwarded-for $proxy _add_x_forwarded_for;        Proxy_set_header Host $http _host;        Proxy_set_header X-real-ip $remote _addr;         Proxy_set_header Connection "";                 Proxy_http_version 1.1;        Set $backend "Grey_1";        Rewrite_by_lua_file Conf/lua/grey.proxy.lua; Proxy_passhttp:/$backend/? $args;    }

Grey.proxy.lua

Local require " Greyrelease.grey "                                                                                                                                                                             local upstream = Grey.get_upstream_by_userid ()--  Ngx.say (upstream)= Upstream

Grey.lua

Localstrings =require "resty.string"Local _m= {}LocalHash_standard = -LocalHash_max_len =TenLocalDefault_stream ="grey_1"LocalSearch_stream ="grey_2"LocalHash_map = {    --grey_0 = {range_start=0,range_end=9,flow= "Grey1"},Grey_0 = {range_start=0, range_end=9, flow="Grey1"}, Grey_1= {range_start=Ten, range_end= +, flow="Grey1"}, Grey_2= {range_start= -, range_end= in, flow="Grey1"}, Grey_3= {range_start= -, range_end= the, flow="Grey1"}, Grey_4= {range_start= +, range_end= the, flow="Grey1"}, Grey_5= {range_start= -, range_end= -, flow="Grey1"}, Grey_6= {range_start= -, range_end= the, flow="Grey1"}, Grey_7= {range_start= -, range_end= -, flow="Grey1"}, Grey_8= {range_start= the, range_end= the, flow="Grey1"}, Grey_9= {range_start= -, range_end= About, flow="Grey1"},}function _m. Get_upstream_by_userid ()ifNgx.var.arg_grey_test = ="grey_1"  Then        returnSearch_streamElseIfNgx.var.arg_grey_test = ="grey_2"  Then        returnDefault_streamEnd     LocalUser_id=ngx.var.arg_user_idLocalupstream=Default_streamifuser_id = =Nil  Then        returnUpstreamEnd    LocalHex_string =Strings.to_hex (user_id)LocalStr_len =String.len(hex_string)LocalHash_string =""    ifStr_len > Hash_max_len Thenhash_string=string.sub(Hex_string,0, Hash_max_len)Elsehash_string=hex_stringEnd    LocalInt_mod =Math.fmod(Hash_string,hash_standard) forKvinch Pairs(HASH_MAP) Do        ifv['Range_start'] <= Int_mod andInt_mod < v['Range_end'] ThenUpstream= v['Flow']             Break        End    End    returnUpstreamEndreturn _m                   

A simple gray-scale publishing system based on Nginx+lua