Hi Willy, On 20 June 2012 19:44, Willy Tarreau <[email protected]> wrote: > Hi Damien, > > On Wed, Jun 20, 2012 at 04:19:09PM +0100, Damien Churchill wrote: >> I've found another place where the behaviour appears to diverge from >> the documentation. At the beginning of section 4 it says that it's >> mandatory that proxies with overlapping capabilities have different >> names. My interpretation of that is that frontends can't have the same >> name, and neither can backends, however a frontend may share a name >> with a backend, is that correct? I ask as it seems I'm able to (at >> least with 1.4.18) create multiple instances of front and backends >> with overlapping names. >> >> Config extract: >> >> backend some-backend-name >> balance roundrobin >> timeout check 10000 >> >> server localhost 127.0.0.1:80 weight 1 check inter 2000 fall 3 >> option httpchk HEAD / HTTP/1.1\r\nHost:localhost >> >> backend some-backend-name >> balance roundrobin >> timeout check 10000 >> >> server localhost 127.0.0.1:80 weight 1 check inter 2000 fall 3 >> option httpchk HEAD / HTTP/1.1\r\nHost:localhost >> >> frontend test-frontend >> bind :19001 >> >> frontend test-frontend >> bind :19002 >> >> Is this me misinterpreting how things should work or something else going on? > > Your interpretation is right, but I think you didn't read the warnings > that are emitted when starting the service : > > [WARNING] 171/204356 (2413) : Parsing [overlap.cfg:27]: backend > 'some-backend-name' has same name as another backend (declared at > overlap.cfg:20). > [WARNING] 171/204356 (2413) : Parsing [overlap.cfg:37]: frontend > 'test-frontend' has same name as another frontend (declared at > overlap.cfg:34). > > Nothing prevents the config from working, but some features will not > reliably work with such a conf (eg: ACLs referencing a backend name). > Hence the warning. >
Okay thanks, it's good to know the expected behaviour. I see the warnings now, I had 'quiet' in the configuration which was suppressing them, my mistake! Thanks, Damien

