def test_find_sr_from_vdi(self):
vdi_ref = 'fake-ref'
def fake_call_xenapi(method, *args):
self.assertEqual(method, 'VDI.get_SR')
self.assertEqual(args[0], vdi_ref)
return args[0]
session = mock.Mock()
session.call_xenapi.side_effect = fake_call_xenapi
self.assertEqual(volume_utils.find_sr_from_vdi(session, vdi_ref),
vdi_ref)
def safe_cleanup_from_vdis(self, vdi_refs):
# A helper method to detach volumes that are not associated with an
# instance
for vdi_ref in vdi_refs:
try:
sr_ref = volume_utils.find_sr_from_vdi(self._session, vdi_ref)
except exception.StorageError as exc:
LOG.debug(exc.format_message())
continue
try:
# Forget (i.e. disconnect) SR only if not in use
volume_utils.purge_sr(self._session, sr_ref)
except Exception:
LOG.debug('Ignoring error while purging sr: %s' % sr_ref,
exc_info=True)
def safe_cleanup_from_vdis(self, vdi_refs):
# A helper method to detach volumes that are not associated with an
# instance
for vdi_ref in vdi_refs:
try:
sr_ref = volume_utils.find_sr_from_vdi(self._session, vdi_ref)
except exception.StorageError as exc:
LOG.debug(exc.format_message())
continue
try:
# Forget (i.e. disconnect) SR only if not in use
volume_utils.purge_sr(self._session, sr_ref)
except Exception:
LOG.debug('Ignoring error while purging sr: %s' % sr_ref,
exc_info=True)
