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February 4, 2022 07:30
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combine two request by openresty
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| cjson = require "cjson" | |
| ngx. req. read_body() -- explicitly read the req body | |
| local data = ngx. req. get_body_data() | |
| local jsonBody = cjson. decode(data); | |
| if data then | |
| local reqs = { } | |
| --ngx. say("body data:") | |
| for key, value in pairs(jsonBody) do | |
| --ngx.print(key) | |
| --ngx.print(value.url) | |
| local param = { } | |
| param["args"] = value.query | |
| local method = ngx.HTTP_GET | |
| if value.method == "POST" then | |
| method = ngx.HTTP_POST | |
| param["body"] = value.body | |
| end | |
| param["method"] = method | |
| local reqParam = { } | |
| reqParam[1] = value.url | |
| reqParam[2] = param | |
| table.insert(reqs, reqParam) | |
| end | |
| local resps = {ngx.location.capture_multi(reqs)} | |
| local reponseData = {} | |
| -- loop over the responses table | |
| for key, value in pairs(resps) do | |
| -- process the response table "resp" | |
| -- ngx.print(key) | |
| -- ngx.print(value.body) | |
| --ngx.say(jsonBody[key].url) | |
| local theUrl = jsonBody[key].url | |
| reponseData[theUrl] = value.body | |
| end | |
| local responseJson = cjson.encode(reponseData) | |
| ngx.header["Content-Type"] = "application/json; charset=UTF-8" | |
| ngx.say(responseJson) | |
| end |
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| #user nobody; | |
| worker_processes 1; | |
| #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"'; | |
| #access_log logs/access.log main; | |
| sendfile on; | |
| #tcp_nopush on; | |
| #keepalive_timeout 0; | |
| keepalive_timeout 65; | |
| #gzip on; | |
| upstream backend1 { | |
| server 127.0.0.1:8081; | |
| } | |
| init_by_lua 'cjson = require "cjson"'; | |
| lua_code_cache off; | |
| server { | |
| listen 8084; | |
| server_name localhost; | |
| #charset koi8-r; | |
| #access_log logs/host.access.log main; | |
| location / { | |
| proxy_pass http://backend1; | |
| } | |
| location /combine { | |
| proxy_pass http://backend1; | |
| default_type application/json; | |
| content_by_lua_block { | |
| ngx. req. read_body() -- explicitly read the req body | |
| local data = ngx. req. get_body_data() | |
| local jsonBody = cjson. decode(data); | |
| if data then | |
| local reqs = { } | |
| --ngx. say("body data:") | |
| for key, value in pairs(jsonBody) do | |
| --ngx.print(key) | |
| --ngx.print(value.url) | |
| local param = { } | |
| param["args"] = value.query | |
| local method = ngx.HTTP_GET | |
| if value.method == "POST" then | |
| method = ngx.HTTP_POST | |
| param["body"] = value.body | |
| end | |
| param["method"] = method | |
| local reqParam = { } | |
| reqParam[1] = value.url | |
| reqParam[2] = param | |
| table.insert(reqs, reqParam) | |
| end | |
| local resps = {ngx.location.capture_multi(reqs)} | |
| local reponseData = {} | |
| -- loop over the responses table | |
| for key, value in pairs(resps) do | |
| -- process the response table "resp" | |
| -- ngx.print(key) | |
| -- ngx.print(value.body) | |
| --ngx.say(jsonBody[key].url) | |
| local theUrl = jsonBody[key].url | |
| reponseData[theUrl] = value.body | |
| end | |
| local responseJson = cjson.encode(reponseData) | |
| ngx.header["Content-Type"] = "application/json; charset=UTF-8" | |
| ngx.say(responseJson) | |
| end | |
| } | |
| } | |
| #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; | |
| # } | |
| #} | |
| } |
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