Open Stack

Glad to hear the news. Thanks, Daniel and Michael.

On Tue, May 3, 2016 at 5:19 PM, Daniel P. Berrange <berrange at redhat.com>
wrote:

> On Mon, May 02, 2016 at 11:27:01AM +0800, ZhiQiang Fan wrote:
> > Hi Nova cores,
> >
> > There is a spec[1] submitted to Telemetry project for Newton release,
> > mentioned that a new feature requires libvirt >= 1.3.4 , I'm not sure if
> > this will have bad impact to Nova service, so I open this thread and wait
> > for your opinions.
> >
> > [1]: https://review.openstack.org/#/c/311655/
>
> Nova's policy is that we pick a minimum requires libvirt that everyone
> must have, this is shown in this table
>
>
> https://wiki.openstack.org/wiki/LibvirtDistroSupportMatrix#Nova_release_min_version
>
> Nova will accept code changes which use features from a newer libvirt,
> as long as they don't cause breakage for people with older libvirt.
> Generally this means that we'll use newer libvirt features, only for
> features which are new to nova - we don't change existing Nova code
> to use new libvirt features, since that would cause regression.
>
> IOW, I don't see any problem with you using newer libvirt version,
> provided you gracefully fallback without error if run against the
> current min required libvirt Nova declares.
>
> Regards,
> Daniel
> --
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