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I had always wanted this to happen. It is really frustrating when nova
throws wierd python exceptions and difficult to comprehend log messages.

If the developers do agree to clean up the interface I would suggest they
make use of some well knows protocol (mpls/rsvp) to do this, instead of
relying on custom south-bound api calls.

regards,
Ageeleshwar K

On Thu, Jan 22, 2015 at 9:39 PM, Sean Dague <sean at dague.net> wrote:

> On 01/22/2015 10:28 AM, Salvatore Orlando wrote:
> > Hi,
> >
> > We have attempted several times to start a conversation around the
> > interface between nova and neutron and its problems, starting with the
> > fact that it's chatter than two Italians arguing about football (*).
> > Indeed the first attempt at fixing these problems goes back to the Fall
> > 2012 summit [1]. While we probably don't want to introduce yet another
> > service to this aim, it might be worth giving another shot at having
> > these two project communicate in a decent way. I know that other
> > developers are interested in this and are probably even already actively
> > working on this topic.
> >
> > In my opinion it might not be such a bad idea to start this conversation
> > at the upcoming nova meetup, if there will be enough interest from the
> > participants. I have started the etherpad [2] for discussing issues of
> > the current implementation, goals, architecture, and design.
> >
> > As for timelines, it is very likely already too late for shipping this
> > in Kilo, but we're probably still on time for completing this work by
> > the "L" release.
> >
> > Salvatore
> >
> > (*) being Italian I am entitled to make jokes about Italians without
> > offending anyone, I hope.
> >
> > [1] https://etherpad.openstack.org/p/grizzly-newtonian
> > [2] https://etherpad.openstack.org/p/nova-neutron-interface-rework
>
> Interesting stuff. I conceptually like the idea of nova-compute doing
> the leg work for sub resources (like the network) as it feels like error
> handling is simpler given it's closeness to the actual VMs that are
> running.
>
> I also like the idea of considering the RPC interface. What kind of
> stability / versioning exists on the Neutron RPC interface?
>
>         -Sean
>
> --
> Sean Dague
> http://dague.net
>
>
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