Re: Refiring requests to proxy backend (Apache Users)

Jim,

Sorry, I could not find the documentation on how to do this using mod_lua. Can you please point me there ?

In my current setup which is on httpd 2.2 - we use modpython. For routing requests (based on a header) we use a simple python script. For refiring the request (when a custom response code is received), another python script is configured in a "PythonOutputFilter". That script internally uses the python requests library.

We are upgrading to httpd 2.4 and wanted to see if this code can be ported to mod_lua. I have already ported the first script (routing) to lua. Where i am clueless, is how to resend the request to backend for the 2nd script in a "LuaOutputFilter".

Thanks & regards,

Jose

On Fri, Dec 18, 2015 at 5:08 PM, Jim Jagielski <jim@xxxxxxxxxxx> wrote:

In general, if you prepend the URL w/ 'proxy:' and then
use it in a subrequest, it will be processed as a proxy
request.

> On Dec 17, 2015, at 9:21 AM, Jose Thomas <jostho@xxxxxxxxx> wrote:
>
> All,
>
> I am using httpd 2.4 with mod_proxy (http) routing requests to multiple backends.
>
> I have a strange requirement. If a backend responds with a custom response code - i need to re-execute the request to a different backend.
>
> What would be the right way to implement this functionality ?
>
> I was looking at mod_lua for a solution. The idea is to use a "LuaOutputFilter" to check the response code, and then re-execute the request with a different backend. How can i refire the request ? Should i use a lua httpclient library for this ? Is there a easier way to do this ?
>
> Any other suggestions/comments are welcome.
>
> Version of stack
> * Apache 2.4.6
> * Lua 5.1.4
>
> Regards,
> Jose
> ____________
>
>
>

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