Nginx Map Module Help

[Maxim Dounin]

Hello!

On Thu, Mar 19, 2009 at 01:18:41PM -0500, Resi Cow wrote:

> Hello,
> 
> I am looking at using Nginx and specifically the Map Module.
> 
> http://wiki.nginx.org/NginxHttpMapModule
> 
> I have used the rewrite map stuff in Apache, and I know in Apache you can
> load a key / value pair list from a text file. I had assumed looking at the
> examples on the Wiki that the values needed to be included with the
> configuration, but then I noticed that at the end of the Wiki page on the
> Nginx Map Module there was this:
> 
> include — the maps will be included from a file, or even from multiple files
> when using wildcards.
> 
> How does this work? I was hoping someone with some experience can elaborate
> on this feature, as I was unable to find additional information on this.
> 
> 1) So can the values actually be pulled from a file instead?
> 2) What type of file, what format?
> 3) If the map file is updated, does Nginx need to be restarted for the
> changes to take effect?
> 
> I apologize if these questions have already been answered somewhere, I
> searched and searched and only found that single reference to the "include"
> support in the Map Module.

http://wiki.nginx.org/NginxHttpMainModule#include

It's just include of configuration chunk.  If it's updated - it's 
effectively updated configuration, and you should instruct nginx 
to reload configuration as usual via SIGHUP.

Maxim Dounin