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There was a driver thread about snapshot management test failures.  It appears there is a config option that changed for devstack from false to true, causing the cinder drivers all sorts of issues.  Here is the email that discusses the change and its effects on cinder drivers:

http://lists.openstack.org/pipermail/openstack-dev/2017-January/110184.html

It might not be related, but.....

A bit of a coincidence if not.

--Rocky

-----Original Message-----
From: Brian Rosmaita [mailto:rosmaita.fossdev at gmail.com] 
Sent: Monday, January 16, 2017 6:18 PM
To: OpenStack Development Mailing List <openstack-dev at lists.openstack.org>
Subject: [openstack-dev] [infra][qa][glance] gate-tempest-dsvm-full-ceph-plugin-src-glance_store-ubuntu-xenial failures

I need some help troubleshooting a glance_store gate failure that I think is due to a recent change in a tempest test and a configuration problem (or it could be something else entirely).  I'd appreciate some help solving this as it appears to be blocking all merges into glance_store, which, as a non-client library, is supposed to be frozen later this week.

Here's an example of the failure in a global requirements update patch:
https://review.openstack.org/#/c/420832/
(I should mention that the failure is occurring in a volume test in tempest.api.volume.admin.v2.test_snapshot_manage.SnapshotManageAdminV2Test,
not a glance_store test.)

The test is being run by this gate:
gate-tempest-dsvm-full-ceph-plugin-src-glance_store-ubuntu-xenial

The test that's failing, test_unmanage_manage_snapshot was recently modified by Change-Id: I77be1cf85a946bf72e852f6378f0d7b43af8023a
To be more precise, the test itself wasn't changed, rather the criterion for skipping the test was changed (from a skipIf based on whether the backend was ceph, to a skipUnless based on a boolean config option).

>From the comment in the old code on that patch, it seems like the test config value should be False when ceph is the backend (and that's its default).  But in the config dump of the failing test run, http://logs.openstack.org/32/420832/1/check/gate-tempest-dsvm-full-ceph-plugin-src-glance_store-ubuntu-xenial/dab27eb/logs/tempest_conf.txt.gz
you can see that manage_snapshot is True.

That's why I think the problem is being caused by a flipped test config value, but I'm not sure where the configuration for this particular gate lives so I don't know what repo to propose a patch to.

Thanks in advance for any help,
brian


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