[openstack-dev] [tempest][cinder] Clone feature toggle not in clone tests

Erlon Cruz sombrafam at gmail.com
Thu Aug 25 14:38:53 UTC 2016

Hi Jordan, Slade,

Currently NFS driver does not support cloning neither snapshots (which are
the base for implementing cloning). AFAIC, the NFS driver was in Cinder
before the minimum requirements being discussed and set, so, it just stood
there with the features it already supported.

There is currently this job
'gate-tempest-dsvm-full-devstack-plugin-nfs-nv'[1] that by the way are
failing in the same test you mentioned tough passing the snapshot tests
(not shure how the configuration is doing that) and a work[2] in progress
to support the snapshot feature.

So, Jordan, I think its OK to allow tempest to skip this tests, provided
that at least in the NFS driver, tempest isn't being an enforcement to
Cinder minimum features requirements.


[2] https://review.openstack.org/#/c/147186/

On Wed, Aug 24, 2016 at 6:34 PM, Jordan Pittier <jordan.pittier at scality.com>

> On Wed, Aug 24, 2016 at 6:06 PM, Slade Baumann <baumann at us.ibm.com> wrote:
>> I am attempting to disable clone tests in tempest as they aren't
>> functioning in NFS. But the tests test_volumes_clone.py and
>> test_volumes_clone_negative.py don't have the "clone" feature
>> toggle in them. I thought it obvious that if clone is disabled
>> in tempest, the tests that simply clone should be disabled.
>> So I put up a bug and fix for it, but have been talking with
>> Jordan Pittier and he suggested I come to the mailing list to
>> get this figured out.
>> I'm not asking for reviews, unless you want to give them.
>> I'm simply asking if this is the right way to go about this
>> or if there is something else I need to do to get this into
>> Tempest.
>> Here are the bug and fix:
>> https://bugs.launchpad.net/tempest/+bug/1615770
>> https://review.openstack.org/#/c/358813/
>> I would appreciate any suggestion or direction in this problem.
>> For extra reference, the clone toggle flag was added here:
>> https://bugs.launchpad.net/tempest/+bug/1488274
>> Hi,
> Thanks for starting this thread. My point about this patch is, as "volume
> clone" is part of the core requirements [1] every Cinder drive must
> support, I don't see a need for a feature flag. The feature flag already
> exists, but that doesn't mean we should encourage its usage.
> Now, if this really helps the NFS driver (although I don"t know why we
> couldn't support clone with NFS)... I don't have a strong opinion on this
> patch.
> I -1ed the patch for consistency: I agree that there should be a minimum
> set of features expected from a Cinder driver.
> [1] http://docs.openstack.org/developer/cinder/devref/drivers.html#core-
> functionality
> Cheers,
> Jordan
> <http://bit.ly/2aKbaTu>
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