def test_activate_noref_norefresh(self, lvsystem):
# Arrange
self.__create_test_volume(lvsystem)
self.mock_exists.return_value = True
# Act
lvutil.activateNoRefcount(TEST_VOL, False)
def test_activate_noref_not_activated(self, lvsystem):
# Arrange
self.__create_test_volume(lvsystem)
self.mock_exists.return_value = False
# Act
with self.assertRaises(util.CommandException) as ce:
lvutil.activateNoRefcount(TEST_VOL, False)
self.assertIn('LV not activated', ce.exception.reason)
def test_activate_noref_IO_error_reported(self, lvsystem, mock_cmd_lvm):
# Arrange
self.__create_test_volume(lvsystem)
self.mock_exists.return_value = True
mock_cmd_lvm.side_effect = [
util.CommandException(5, 'lvchange', "Device not found")
]
# Act
with self.assertRaises(util.CommandException) as ce:
lvutil.activateNoRefcount(TEST_VOL, False)
self.assertEqual(5, ce.exception.code)
def activateVdi(sr_uuid, vdi_uuid, vhd_path):
name_space = lvhdutil.NS_PREFIX_LVM + sr_uuid
lock = Lock(vdi_uuid, name_space)
lock.acquire()
try:
count = RefCounter.get(vdi_uuid, False, name_space)
if count == 1:
try:
lvutil.activateNoRefcount(vhd_path, False)
except Exception as e:
util.SMlog(" lv activate failed for %s with error %s" %
(vhd_path, str(e)))
RefCounter.put(vdi_uuid, True, name_space)
return False
finally:
lock.release()
return True
def activateVdi(sr_uuid, vdi_uuid, vhd_path):
name_space = lvhdutil.NS_PREFIX_LVM + sr_uuid
lock = Lock(vdi_uuid, name_space)
lock.acquire()
try:
count = RefCounter.get(vdi_uuid, False, name_space)
if count == 1:
try:
lvutil.activateNoRefcount(vhd_path, False)
except Exception, e:
util.SMlog(" lv activate failed for %s with error %s" %
(vhd_path, str(e)))
RefCounter.put(vdi_uuid, True, name_space)
return False
finally:
lock.release()
return True
def test_activate_noref_metadata_error_retry(self, lvsystem, mock_cmd_lvm,
mock_sleep):
# Arrange
self.__create_test_volume(lvsystem)
self.mock_exists.return_value = True
metadata_error = """ Incorrect checksum in metadata area header on /dev/sdb at 4096
Failed to read mda header from /dev/sdb
Failed to scan VG from /dev/sdb
Volume group "VG_XenStorage-94d5c7de-3bee-e7c2-8aeb-d609e7dcd358" not found
Cannot process volume group VG_XenStorage-94d5c7de-3bee-e7c2-8aeb-d609e7dcd358"""
mock_cmd_lvm.side_effect = [
util.CommandException(5, 'lvchange', metadata_error), ''
]
# Act
lvutil.activateNoRefcount(TEST_VOL, False)
def activateNoRefcount(self, lvName, refresh=False):
path = self._getPath(lvName)
lvutil.activateNoRefcount(path, refresh)
self.lvs[lvName].active = True
def activateNoRefcount(self, lvName, refresh = False):
path = self._getPath(lvName)
lvutil.activateNoRefcount(path, refresh)
self.lvs[lvName].active = True