[openstack-dev] [nova] Contrail VIF TAP plugging broken

Matt Riedemann mriedemos at gmail.com
Wed Feb 21 20:50:54 UTC 2018


On 2/21/2018 4:30 AM, Édouard Thuleau wrote:
> Hi Seán, Michael,
> 
> Since patch [1] moved Contrail VIF plugging under privsep, Nova fails to 
> plug TAP on the Contrail software switch (named vrouter) [2]. I proposed 
> a fix in the beginning of the year [3] but it still pending approval 
> even it got a couple of +1 and no negative feedback. It's why I'm 
> writing that email to get your attention.
> That issue appeared during the Queens development cycle and we need to 
> fix that before it was released (hope we are not to late).
> Contrail already started to move on os-vif driver [4]. A first VIF type 
> driver is there for DPDK case [5], we plan to do the same for the TAP 
> case in the R release and remove the Nova VIF plugging code for the vrouter.
> 
> [1] https://review.openstack.org/#/c/515916/
> [2] https://bugs.launchpad.net/nova/+bug/1742963
> [3] https://review.openstack.org/#/c/533212/
> [4] https://github.com/Juniper/contrail-nova-vif-driver
> [5] https://review.openstack.org/#/c/441183/
> 
> Regards,
> Édouard.
> 
> 
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Approved the change on master and working on the backport to 
stable/queens. We'll be cutting an RC3 tomorrow so I'll make sure this 
gets into that.

-- 

Thanks,

Matt



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