[openstack-dev] [OSLO][RPC] AMQP / ZeroMQ control_exchange vs port numbers

Mark McLoughlin markmc at redhat.com
Mon Apr 29 15:49:56 UTC 2013

On Mon, 2013-04-29 at 11:00 -0400, Doug Hellmann wrote:
>On Mon, Apr 29, 2013 at 10:26 AM, Mark McLoughlin <markmc at redhat.com> wrote:
> > I don't think what I'm saying changes that. You can absolutely put each
> > exchange on a separate broker.
> >
> It is difficult to do that using the current configuration schema, because
> there are so many different options that have to be replicated for each
> broker. So you end up with foo_exchange, foo_host, foo_port, etc. for every
> service that you want to connect to. For ceilometer we just said that all
> of the exchanges have to be on the same broker. For cells, I think they
> reproduce the settings in the database. 

But if we allow all of these options to be specified in a URL,
ceilometer can just have:

  glance_transport = kombu://me:secret@foobar:3232//glance/notifications

rather than just:

  glance_control_exchange = 'glance'

and can easily support exchanges being on different brokers. Right?


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