issue with capturing server name

[Igor Sysoev]

On Sun, Dec 12, 2010 at 07:26:23PM +0100, Sven 'Darkman' Michels wrote:

> Hi,
> 
> on http://wiki.nginx.org/HttpCoreModule#server_name i read about capturing
> the servername with regular expressions. Now i used the following on nginx
> 0.9.2:
> 
>   server {
>     listen  [::]:80 default ipv6only=off;
>     server_name ~^(?<domain>.+)\.internal\.mydomain\.tld$;
> 
>     location / {
>             proxy_pass             http://1.2.3.4:80;
>             proxy_set_header       Host $domain;
> 
>    }
>   }
> 
> but Host is not set at all on the upstream, because it seems that nginx
> doesn't get it captured. The regexp matches, i also tried with ?P<domain>
> as stated on the page with no success. Anything i'm doing wrong here?

If you run nginx with debug log:
http://nginx.org/en/docs/debugging_log.html
you should see something like this:

http header: "Host: www.internal.mydonain.tld"
...
http regex set $domain to "www"


-- 
Igor Sysoev
http://sysoev.ru/en/