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

Doug Hellmann doug.hellmann at dreamhost.com
Mon Apr 29 15:52:43 UTC 2013


On Mon, Apr 29, 2013 at 11:49 AM, Mark McLoughlin <markmc at redhat.com> wrote:

> 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?
>

Yes, please!  :-)

Doug
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