[openstack-dev] [nova] Add new VIF Type

Jay Pipes jaypipes at gmail.com
Mon Jun 1 18:55:58 UTC 2015

On 06/01/2015 11:13 AM, Andreas Scheuring wrote:
> Hi,
> what are the prereqs to get a spec for a new nova VIF type approved?
> In my case I'm planning for a new neutron ml2 driver and agent (on
> stackforge) that adds general support for macvtap to neutron. I've not
> yet published anything regarding the neutron part so far - but this will
> happen in the next days...
> For the nova part I already createad a blueprint + spec and a first
> draft of the code changes required [1]. Howewer, this is still WIP, but
> I wanted to get clarification about the process to get it approved
> - Is it sufficient to have a spec with the plans for the neutron code in
> the stackforge repo to get my nova changes approved?
> - Or does it require that the thirdparty code is already up on
> stackforge, and the integration points already merged into neutron?
> It looks like like a chicken egg problem to me: Probably nova only wants
> to add support, if there's already full functional support in neutron,
> but on the other hand, to get the neutron code developed and tested, the
> nova support is required..

No, I think Nova would be fine if the Nova spec pointed to a Neutron 
spec that described the new ML2 plugin.


> Thanks
> [1] https://blueprints.launchpad.net/nova/+spec/libvirt-macvtap-vif

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