On 06/18/2014 05:45 AM, Elena Ezhova wrote:
> Hello!
> 
> I have been exploring bugs connected with using devstack with zmq [1], [2],
> [3] and experimenting with various configurations in attempt to make zmq
> work with projects which have moved to oslo.messaging. It turned out that
> there is a number of things to fix.
> 
> Firstly, even though nova currently uses oslo.messaging, devstack still
> uses nova-rpc-zmq-receiver instead of oslo-messaging-zmq-receiver when
> starting zeromq receiver.
> 
> Secondly, the default matchmaker for zmq is always set as MatchmakerRedis
> (which currently does not work either) and there is no opportunity to
> specify anything else (e.g. MatchmakerRing) using devstack. If there was an
> option to use MatchmakerRing, it would have been possible to create a
> configuration file matchmaker_ring.json in etc/oslo/ directory and write
> there all key-value pairs needed by zmq.
> 
> So I wonder whether it is something the community is interested in and, if
> yes, are there any recommendations concerning possible implementation?

I can't speak to the specific implementation, but if we're going to keep
the zmq driver in oslo.messaging then IMHO it should be usable with
devstack, so +1 to making that work.

> 
> 
> Thanks,
> Elena
> 
> [1] - https://bugs.launchpad.net/devstack/+bug/1279739
> [2] - https://bugs.launchpad.net/neutron/+bug/1298803
> [3] - https://bugs.launchpad.net/oslo.messaging/+bug/1290772
> 
> 
> 
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> 


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