Open Stack

On 27/08/2014 17:06, Daniel P. Berrange wrote:
> On Tue, Aug 26, 2014 at 05:02:10PM +0300, Itzik Brown wrote:
>> Hi,
>>
>> Following the conversation [1]:
>> My understanding was that the way to use out of the tree vif_driver is to
>> set vif_driver option in nova.conf
>> until there is a better way to support such cases but the commit [2] removed
>> this option.
>> Can someone clarify the current status (i.e. what is the current way to do
>> it ) in Juno?
> For Juno the vif_driver option still exists & can be used.
>
> It is only deleted in the Kilo release.
>
> The recommendation is that people working on new VIF drivers should do
> so on a branch of the Nova repo, so that the can modify the libvirt VIF
> driver code to support their needs, rather than try to write a completely
> isolated out of tree impl. This is an approach that will need to be taken
> regardless in order to submit the VIF driver for review and merge to Nova.
>
> Regards,
> Daniel
Sorry for taking the newbie approach here but can you explain me how to 
do it in Juno?
I see that vif_driver is pointing to LibvirtGenericVIFDriver [1]but not 
to a config option.

[1] 
https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py

BR,
Itzik