[openstack-dev] [Nova][Neutron] Linuxbridge as the default in DevStack [was: Status of the nova-network to Neutron migration work]

Tom Fifield tom at openstack.org
Thu Apr 16 00:58:43 UTC 2015

On 14/04/15 23:36, Dean Troyer wrote:
> On Tue, Apr 14, 2015 at 7:02 AM, Miguel Angel Ajo Pelayo
> <mangelajo at redhat.com <mailto:mangelajo at redhat.com>> wrote:
>     Why would operators install from devstack? that’s not going to be
>     the case.
> If they do they need more help than we can give...

So, ummm, there is actually a valid use case for ops on devstack: it's 
part of the learning process.

In my rounds, I've had feedback from more than a few whose first 
OpenStack experience was to run up a devstack, so they could run ps 
aufx, brctl, iptables, etc just to see what was going on under the 
covers before moving on to something more 'proper'.

While acknowledging that the primary purpose and audience of devstack is 
and should remain development and developers, if there is something we 
can do to improve the experience for those ops first-timers that doesn't 
have a huge impact on devs, it would be kinda nice.

After all, one of the reasons this thread exists is because of problems 
with that ramp up process, no?

>     I believe we should have both LB & OVS well tested, if LB is a good
>     option for
>     some operators willing to migrate from nova, that’s great, let’s
>     make sure LB
>     is perfectly tested upstream.
> +1
>     But by doing such change we can’t let OVS code rot and we would be
>     neglecting
>     a big customer base which is now making use of the openvswitch
>     mechanism.
>     (may be I’m miss understanding  the scope of the change).
> Changing DevStack's default doesn't remove anything OVS-related, nor
> does it by itself remove any OVS jobs.  It gives everyone who is happy
> with nova-net (or more correctly doesn't think about it) a new default
> that changes their experience the least for when nova-net disappears.
> dt
> --
> Dean Troyer
> dtroyer at gmail.com <mailto:dtroyer at gmail.com>
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