[openstack-dev] [Trove] Pluggable conductor manager
Denis Makogon
dmakogon at mirantis.com
Mon Apr 28 19:03:33 UTC 2014
Good day, Boden.
I think you should file the blueprint for it and put it into BP meeting
agenda.
Best regards,
Denis Makogon
On Mon, Apr 28, 2014 at 9:50 PM, boden <boden at linux.vnet.ibm.com> wrote:
> Guys,
> I have a few small features / enhancements I'd like to suggest. I'm
> willing to contribute the code / unit tests myself, but am looking for a
> consensus from the group before I invest the time.
>
> There are a few enhancements on my list -- I will send details each in a
> separate email to keep the communication clearer.
>
>
>
> I'd like to propose the ability to support a pluggable trove conductor
> manager. Currently the trove conductor manager is hard-coded [1][2] and
> thus is always 'trove.conductor.manager.Manager'. I'd like to see this
> conductor manager class be pluggable like nova does [3].
>
> I'm thinking the same approach nova took:
> (a) Add a conductor section to the trove-conductor.conf with a property to
> specify the conductor manager class... e.g.
> [conductor]
> manager = package.of.conductor.manager.Manager
>
> (b) Default trove's CONF value for conductor.manager to the existing
> manager trove.conductor.manager.Manager which ensures backwards compat.
>
> (c) In trove.cmd.conductor.py create the RpcService using the conf value.
> e.g.
> server = rpc_service.RpcService(manager=CONF.conductor.manager,
> topic=topic)
>
>
> The above will allow consumers to extend / plug into the conductor manager
> without upstream changes.
>
>
> Any disagreement / comments on this enhancement? Again -- I can contribute
> the code, unless someone is bored and wants to run with it short-term.
>
> Thanks
>
>
> [1] https://github.com/openstack/trove/blob/master/trove/cmd/
> conductor.py#L40
> [2] https://github.com/openstack/trove/blob/master/trove/cmd/
> conductor.py#L42
> [3] https://github.com/openstack/nova/blob/master/nova/cmd/
> conductor.py#L43
>
>
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