Dynamic proxy_pass

[mike]

cool!

so http://1.2.3.4/foo.jpg is actually the source file then?

On 7/30/08, W. Andrew Loe III <andrew at andrewloe.com> wrote:
> For those interested I have a working solution.
>
> location /under_the_covers/ {
>  if ($uri ~* ^/under_the_covers/(.*)/.*$) {
>    set $other_nginx $1;
>    rewrite ^/under_the_covers/.*/(.*)$ $1;
>    proxy_pass http://$other_nginx/$uri;
>    break;
>  }
>  }
>
> My client replies with X-Accel-Redirect =
> /under_the_covers/1.2.3.4/foo.jpg and my other webserver gets the
> request.
>
> On Tue, Jul 29, 2008 at 6:34 PM, W. Andrew Loe III <andrew at andrewloe.com> wrote:
> > I have a relatively complex setup but I believe nginx has the ability
> > to do everything I am looking for. I want to proxy requests for files
> > to different servers using x-accel-redirect.
> >
> > A request cycle might look like this:
> > client => interwebs => nginx1 => mongrel (which does some lifting and
> > then replies back with x-accel-redirect and a url like
> > /under_the_covers/10.10.1.2/file.jpg) => nginx1 (at this point the
> > location directive catch the /under_the_covers and do what I want) =>
> > some-other-webserver (10.10.1.2) => nginx1 => interwebs => client.
> >
> > In psuedo code I want something like:
> >
> > location /under_the_covers/(.*) {
> >  internal;
> >  proxy_pass http://$1;
> > }
> >
> > I have tried a few methods but I cannot seem to get it correct.
> >
> > location /under_the_covers/ {
> >  rewrite ^/under_the_covers/(.*)/(.*)$ $2;
> >  proxy_pass http://$1;
> > }
> >
> > I have no trouble if I manually set the host in the proxy pass. So the
> > mongrel replies with x-accel-redirect = /under_the_covers/file.jpg and
> > location looks like so:
> >
> > location /under_the_covers/(.*) {
> >   proxy_pass http://10.10.1.2;
> > }
> >
> > http://article.gmane.org/gmane.comp.web.nginx.english/6206/match=proxy_pass
> >
> > There is discussion there on using proxy_pass with variables but I
> > cannot either construct the uri correctly or I can't get the hostname
> > set from a regular expression.
> >
> > Thank you for your time,
> > -- Andrew
> >
>
>