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test: auto-upgrade subvolume test

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Fixes: https://tracker.ceph.com/issues/43349
Signed-off-by: Venky Shankar <vshankar@redhat.com>
This commit is contained in:
Venky Shankar 2019-12-17 00:55:35 -05:00
parent 9b87bd7209
commit 03ee966b6c
1 changed files with 41 additions and 0 deletions
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41
qa/tasks/cephfs/test_volumes.py
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@ -1193,3 +1193,44 @@ class TestVolumes(CephFSTestCase):
mgr = self.mgr_cluster.get_active_id()
self.mgr_cluster.mgr_fail(mgr)
self.wait_until_evicted(sessions[0]['id'])
def test_subvolume_upgrade(self):
"""
poor man's upgrade test -- rather than going through a full upgrade cycle,
emulate subvolumes by going through the wormhole and verify if they are
accessible.
"""
subvolume1, subvolume2 = self._generate_random_subvolume_name(2)
group = self._generate_random_group_name()
# emulate a old-fashioned subvolume -- one in the default group and
# the other in a custom group
createpath1 = os.path.join(".", "volumes", "_nogroup", subvolume1)
self.mount_a.run_shell(['mkdir', '-p', createpath1])
# create group
createpath2 = os.path.join(".", "volumes", group, subvolume2)
self.mount_a.run_shell(['mkdir', '-p', createpath2])
# this would auto-upgrade on access without anyone noticing
subvolpath1 = self._fs_cmd("subvolume", "getpath", self.volname, subvolume1)
self.assertNotEqual(subvolpath1, None)
subvolpath1 = subvolpath1.rstrip() # remove "/" prefix and any trailing newline
subvolpath2 = self._fs_cmd("subvolume", "getpath", self.volname, subvolume2, group)
self.assertNotEqual(subvolpath2, None)
subvolpath2 = subvolpath2.rstrip() # remove "/" prefix and any trailing newline
# and... the subvolume path returned should be what we created behind the scene
self.assertEqual(createpath1[1:], subvolpath1)
self.assertEqual(createpath2[1:], subvolpath2)
# remove subvolume
self._fs_cmd("subvolume", "rm", self.volname, subvolume1)
self._fs_cmd("subvolume", "rm", self.volname, subvolume2, group)
# verify trash dir is clean
self._wait_for_trash_empty()
# remove group
self._fs_cmd("subvolumegroup", "rm", self.volname, group)