Dynamic redirect error 500 based on url

[victorf...@ilhasoft.com.br]

Hey guys, I have problem, any one can help me?

So my problems is that when my proxy pass return error 500 I want redirect to another server with same data params

worker_processes 1;

daemon off;

env REDIS_MASTER_ADDRESS;

env REDIS_MASTER_PORT;

env REDIS_MASTER_DB;

master_process off;

error_log  stderr  info;

events {

    worker_connections 1024;

}

http {

    server {

        listen 80;

       charset utf-8;

       location /bots {

           set $proxy_addr '';

           access_by_lua_file /home/config/routers/bots.lua; # it's will return a proxy pass value to $proxy_addr

           proxy_pass http://$proxy_addr;

       }

       location /train-bot {

           set $proxy_addr '';

           access_by_lua_file /home/config/routers/train_bot.lua; # it's will return a proxy pass value to $proxy_addr

           proxy_pass http://$proxy_addr;

       }

       error_page 500 502 503 504 /bots-redirect;

       location /bots-redirect {

           set $proxy_addr '';

           access_by_lua_file /home/config/routers/errors.lua;

           proxy_pass http://$proxy_addr;

       }

    }

}

So I want do some like this:

If my proxy pass to "/bots" fail I want redirect this failed request to another proxy pass

In this case my code redirect to corrent url "/bots-redirect" in another proxy pass, but without params.

How can I get/set this params to this request?

[tokers]

you can always get the uri params from the nginx variable $args, so maybe append this to your proxy_pass directive explicitly can solve your problem?