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@RavenZZ
Last active February 4, 2022 07:30
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combine two request by openresty
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
#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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