[openstack-dev] [Nova] Criteria for compute drivers

Joe Gordon joe.gordon0 at gmail.com
Wed Jul 10 12:05:47 UTC 2013

On Tue, Jul 2, 2013 at 7:38 PM, Russell Bryant <rbryant at redhat.com> wrote:

> Greetings,
> Nova includes various compute drivers today, but the test coverage they
> receive varies quite a bit.  This is documented on the following wiki
> page.  The drivers are broken up into groups A, B, and C.
>     https://wiki.openstack.org/wiki/HypervisorSupportMatrix
> We have two new compute drivers in the queue for Havana: docker [1] and
> z/vm [2].  I'd like to propose as a piece of criteria for inclusion that
> new drivers go into groups A or B.
> Further, I would like to see *all* drivers move into groups A or B by
> the release of Icehouse.  I've been told that this is already in the
> works for VMware and baremetal, at least.

And if a driver doesn't go into group A or B by Icehouse?  Do we put clear
warnings in the release notes that they are 'use at your own risk.' Perhaps
if drivers stay in C by the end of Icehouse Development we remove them, as
we have no way of guaranteeing they work and shipping broken code looks bad.

> I feel like if there isn't enough interesting and willingness to raise
> the bar on testing a given compute driver, then we're just wasting our
> time and effort having it in the tree.
> Feedback welcome!
> Thanks,
> [1] https://blueprints.launchpad.net/nova/+spec/new-hypervisor-docker
> [2] https://blueprints.launchpad.net/nova/+spec/zvm-plugin
> --
> Russell Bryant
> _______________________________________________
> OpenStack-dev mailing list
> OpenStack-dev at lists.openstack.org
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