Open Stack

Hi all!

This is a follow-up to several summit discussions on
how-do-we-deprecate-baremetal, a summary of the plan forward, a call to
raise awareness of the project's status, and hopefully gain some interest
from folks on nova-core to help with spec and code reviews.

The nova.virt.ironic driver lives in Ironic's git tree today [1]. We're
cleaning it up and submitting it to Nova again this cycle. I've posted
specs [2] outlining the design and planned upgrade process. Earlier today,
we enabled voting in Ironic's check and gate queues for the
tempest-dsvm-virtual-ironic job. This runs a tempest scenario test [3]
against devstack, exercising Nova with the Ironic driver to PXE boot a
virtual machine. It has been running for a few months on Ironic, and has
been stable for more than a month. However, because Ironic is not
integrated, we also can't vote in check/gate queues on integrated projects
(like Nova). We can - and do - report the test result in a non-voting way,
though that's easy to miss, since it looks like every other non-voting test.

At the summit [4], it was suggested that we make this job report as though
it were a third-party CI test for a Nova driver. This would be removed at
the time that Ironic graduates and the job is allowed to vote in the gate.
Until that time, I'm happy to have the nova.virt.ironic driver reporting as
a third-party driver (even though it's not) simply to help raise awareness
(third-party CI jobs are watched more closely than non-voting jobs) and
decrease the likelihood that Nova developers will inadvertently break
Ironic's gate.

Given that there's a concrete plan forward, why am I sending this email to
all three teams? A few reasons:
- document the plan that we discussed
- many people from infra and nova were not present during the discussion
and may not be aware of the details
- I may have gotten something wrong (it was a long week)
- and mostly because I don't technically know how to make an upstream job
report as though it's a third-party job, and am hoping someone wants to
volunteer to help figure that out


Regards,
Devananda


1: https://github.com/openstack/ironic/tree/master/ironic/nova/virt/ironic

2: https://review.openstack.org/95024 and https://review.openstack.org/95025

3:
https://github.com/openstack/tempest/blob/master/tempest/scenario/test_baremetal_basic_ops.py

4: https://etherpad.openstack.org/p/juno-nova-deprecating-baremetal
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