You can't do this with haproxy, but you can with nginx and X-Accel-Redirect
Sergej On Wed, Jun 9, 2010 at 5:17 AM, Jonah Benton <jo...@jonah.com> wrote: > Greetings, > > I have several web applications that each service different portions > of the same taxonomy. The taxonomy is very deep- millions of > resources- and the rules that dictate which part of the taxonomy each > application serves are fluid and changing. In general it isn't easy to > determine declaratively which web application should service which > uri. > > I'd like to set up a proxy dispatch hierarchy, such that requests > arriving at a proxy front end would be dispatched to one of the web > applications. The response from web application 1 would checked by the > proxy front end. If it's a 404, then the front end discards the > response from web application 1, and dispatches to the next web > application. If non-404, then the response is returned to the client > and the transaction is considered handled. A 404 response from the > last web application would be considered a true 404 and would get > returned to the client. > > From a quick look at the configuration, it doesn't appear that this > can be done with HAProxy (nor with any other proxy software I've > looked at). Am I wrong, can this be arranged? > > Please cc me, I'm not subscribed to the list. > > Thank you, > > Jonah > >
