[openstack-dev] [neutron] Testing Neutron with latest OVS

Sean M. Collins sean at coreitpro.com
Thu Jan 14 22:14:09 UTC 2016

On Thu, Jan 14, 2016 at 03:45:39PM CST, Clark Boylan wrote:
> On Thu, Jan 14, 2016, at 01:32 PM, Ben Pfaff wrote:
> > On Thu, Jan 14, 2016 at 09:30:03PM +0000, Sean M. Collins wrote:
> > > On Thu, Jan 14, 2016 at 03:13:16PM CST, Clark Boylan wrote:
> > > > Forgive my ignorance, but if we are gating on OVS 2.0 that is because it
> > > > is what is shipped with the distros that we test on. Are we saying that
> > > > no one uses the distro provided OVS packages to run Neutron? If not what
> > > > are they using?
> > > 
> > > Right - this was my impression as well.
> > 
> > Even Debian stable (jessie) has OVS 2.3, what distro has 2.0?
> > 
> For the three distro releases we currently test on
> Ubuntu Trusty: 2.0.2
> CentOS7: 2.4.0
> Fedora 23 (not actually used just yet, but is being worked on): 2.4.0

I have DevStack running on Ubuntu Wily (15.10) which has OVS 2.4.0 - it at least
runs a stack.sh to completion with no issues. Haven't had a chance to do
more comprehensive validation. 

In a couple months when 16.04 comes out we'll have an LTS release that
will have a more recent OVS version packaged up.

The problem we have is - most operators are using Ubuntu according to
the user survey. Most likely they are using LTS releases. We already get
flack for our pace of releases and our release lifecycle duration, so
if we were to move off LTS for our gate, we would be pushing operators
to move to more frequent upgrades for their base operating system. Maybe
that's a discussion that needs to be had, but it will be contentious.

Sean M. Collins

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