On Thu, Feb 3, 2011 at 1:39 PM, Raphael Bauduin <[email protected]> wrote: > On Tue, Feb 1, 2011 at 2:06 PM, Raphael Bauduin <[email protected]> wrote: >> Hi, >> >> I would like to apply a reqrep rule only if requests are redirected to >> the backup server (my backup server is running a very simple http >> server that cannot handle rewrites and I want all requests to return >> /index.html). >> Is there a way to achieve this? > > Fore the record, in case anyone asks the same question, here's the > solution: define an acl based on the number of servers available, and > only do the rewrite if the number of servers available is equal to > zero. > > I ended up with this config: > > backend app_servers > balance roundrobin > option redispatch > option httpclose > option forwardfor > option httplog > option httpchk OPTIONS / > server biff 10.12.13.176:80 weight 16 maxconn 16 check inter 10s > server mainappserver 10.12.13.127:80 weight 16 maxconn 16 check inter 10s > acl maintenance_mode nbsrv eq 0 > reqrep ^([^\ ]*)\ /([^\ ]*)\ (.*) \1\ /\ \3 if maintenance_mode > server static-backup 10.12.13.14:2001 backup > > Raph
I sent this mail too fast: the reqrep is applied even when the acl is not verified.... (using ubuntu package v 1.3.18-1). Raph > > >> >> Here's the relevant part of my config file. the problem here is that >> all requests are send to / on the backend server, even the production >> servers..... >> >> backend app_servers >> balance roundrobin >> option redispatch >> option httpclose >> option forwardfor >> option httplog >> option httpchk OPTIONS / >> server mainappserver 10.12.13.172:80 weight 16 maxconn 16 check >> inter 10s >> reqrep ^([^\ ]*)\ /([^\ ]*)\ (.*) \1\ /\ \3 >> server static-backup 10.12.13.14:2001 backup >> >> Thanks >> >> Raph >> >> -- >> Web database: http://www.myowndb.com >> Free Software Developers Meeting: http://www.fosdem.org >> > > > > -- > Web database: http://www.myowndb.com > Free Software Developers Meeting: http://www.fosdem.org > -- Web database: http://www.myowndb.com Free Software Developers Meeting: http://www.fosdem.org
