Re: SCGI + apache solution

The problem with Apache is that there is no way to detect whether a
location maps directly to a file in the filesystem using a <Location>
directive.  The only directive that I know of that will do that is
RewriteCond.  So you have to use RewriteCond to check for the file,
then RewriteRule to push the request to a different location, then
<Location> to handle the new location.  It could be worse.

The main problem with this solution, in my eyes, is that it requires
you to double up the routes.  While this has no side effects in, say,
a webrick development server, its ugly and violates DRY.  It would be
great if someone who really knows the rails source were to write a
module to automatically duplicate the routes.  Then you could
potentially just insert that module into your environment.

If you don't use caching, and just want a better <Location> match,
don't worry about the .htaccess and routes.rb use the below in your
httpd.conf.  It tells scgi to ignore any urls in the images,
javascripts, or stylesheets folders, as well as any file in the
public/ root folder that has a period in the middle.

SCGIMount / 127.0.0.1:9999
<Location ~^/(images|javascript|stylesheets|[^/]+\.[^/]+$)>
SCGIHandler Off
</Location>

Zed, of course you can post this on your site.

Kyle Maxwell

On 9/27/05, Curt Hibbs <curt.hibbs@...> wrote:
> Yikes! Isn't there a better way?
>
>  I'm no apache expert, so maybe this is as good as it gets. But I'd sure
> like to find something better if anyone has any ideas... esepcially, as
> Yufan says, if we can avoid any configuration in the rails application's
> directories.
>
>  Curt
>
>
> On 9/27/05, yufan shi <yufanshi@...> wrote:
> >
> > Hi Kyle, now I understand your solution very well. It's good enough to
> > fix the url handling issue.
> > It's better if we could avoid config for this in rails application's
> directory.
> > Nice job!
> >
> >
> > 2005/9/27, Kyle Maxwell < kyle@...>:
> > > The following fixes caching, etc in Apache + SCGI.  It would be nice
> > > to not have to repeat oneself in the routes file, but I'm sure someone
> > > can come up with a solution for that.  Doubling up the routes lets the
> > > first route generate a clean url_for, and the second one handles the
> > > actual redirected url.
> > >
> > > Kyle Maxwell
> > >
> > > #in httpd.conf
> > > SCGIMount /scgi-bin/ 127.0.0.1:9999
> > >
> > > #in .htaccess, replace the dispatch.(f)cgi line with:
> > > RewriteRule ^(.*)$ /scgi-bin/$1 [QSA,L]
> > >
> > > #in routes.rb, double up *each* of your routes as so:
> > > map.connect ':controller/:action/:id'
> > > map.connect 'scgi-bin/:controller/:action/:id'
> > > _______________________________________________
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> >
> >
> > --
> > Regards.
> >
> > Yufan
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