class TestNasFunctions(unittest.TestCase):
def mock_rabbitcli(self, exchange, exchange_type, process_message=None):
class MockRabbitMQCommonClient(RabbitMQCommonClient):
def publish_message(self,
message,
routing_key=None,
reply_to=None,
exchange=None,
correlation_id=None,
on_fail=None):
return
return MockRabbitMQCommonClient
@mock.patch('imgstorage.imgstoragenas.RabbitMQCommonClient')
@mock.patch('imgstorage.imgstoragenas.NasDaemon.is_sync_node',
return_value=False)
def setUp(self, mock_sync_node, mock_rabbit):
self.client = NasDaemon()
mock_rabbit.publish_message = MagicMock()
self.client.process_message = MagicMock()
self.client.SQLITE_DB = '/tmp/test_db_%s' % uuid.uuid4()
self.client.run()
with sqlite3.connect(self.client.SQLITE_DB) as con:
cur = con.cursor()
cur.execute('INSERT INTO zvols VALUES (?,?,?,?) ',
('vol1', None, None, None))
cur.execute('INSERT INTO zvols VALUES (?,?,?,?) ',
('vol2', 'my_tank', 'iqn.2001-04.com.nas-0-1-vol2',
'compute-0-3'))
cur.execute('INSERT INTO zvols VALUES (?,?,?,?) ',
('vol3_busy', 'my_tank',
'iqn.2001-04.com.nas-0-1-vol3_busy', 'compute-0-3'))
cur.execute('INSERT INTO zvol_calls VALUES (?,?,?)',
('vol3_busy', 'reply_to', time.time()))
cur.execute('INSERT INTO zvols VALUES (?,?,?,?) ',
('vol4_busy', 'my_tank',
'iqn.2001-04.com.nas-0-1-vol4_busy', 'compute-0-3'))
cur.execute('INSERT INTO zvol_calls VALUES (?,?,?)',
('vol4_busy', 'reply_to', time.time()))
con.commit()
def tearDown(self):
os.remove(self.client.SQLITE_DB)
""" Testing mapping of newly created zvol """
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('socket.gethostbyname', return_value='10.1.1.1')
def test_map_zvol_createnew_success(self, mockGetHostCommand,
mockRunCommand):
zvol = 'vol3'
def my_side_effect(*args, **kwargs):
if args[0][0] == 'zfs': return StringIO("")
elif args[0][0] == 'tgt-setup-lun':
return StringIO(tgt_setup_lun_response % (zvol, zvol))
mockRunCommand.side_effect = my_side_effect
self.client.ib_net = 'ibnet'
self.client.map_zvol(
{
'action': 'map_zvol',
'zpool': 'mytank',
'zvol': zvol,
'remotehost': 'compute-0-1',
'size': '10'
}, BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{
'action': 'map_zvol',
'zvol': zvol,
'nas': '%s.ibnet' % self.client.NODE_NAME,
'target': 'iqn.2001-04.com.nas-0-1-%s' % (zvol),
'size': '10'
},
'compute-0-1',
self.client.NODE_NAME,
on_fail=ANY)
self.assertTrue(self.check_zvol_busy(zvol))
""" Testing mapping of zvol created before """
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('socket.gethostbyname', return_value='10.1.1.1')
def test_map_zvol_usecreated_success(self, mockGetHostCommand,
mockRunCommand):
zvol = 'vol1'
def my_side_effect(*args, **kwargs):
if args[0][0] == 'zfs': return StringIO("")
elif args[0][0] == 'tgt-setup-lun':
return StringIO(tgt_setup_lun_response % (zvol, zvol))
mockRunCommand.side_effect = my_side_effect
self.client.ib_net = 'ibnet'
self.client.map_zvol(
{
'action': 'map_zvol',
'zpool': 'mytank',
'zvol': zvol,
'remotehost': 'compute-0-1',
'size': '10'
}, BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{
'action': 'map_zvol',
'zvol': zvol,
'nas': '%s.ibnet' % self.client.NODE_NAME,
'target': 'iqn.2001-04.com.nas-0-1-%s' % (zvol),
'size': '10'
},
'compute-0-1',
self.client.NODE_NAME,
on_fail=ANY)
self.assertTrue(self.check_zvol_busy(zvol))
""" Testing mapping of busy zvol """
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('socket.gethostbyname', return_value='10.1.1.1')
def test_map_zvol_busy(self, mockGetHostCommand, mockRunCommand):
zvol = 'vol3_busy'
def my_side_effect(
*args,
**kwargs): # just in case... not used in normal condition
if args[0][0] == 'zfs': return StringIO("")
elif args[0][0] == 'tgt-setup-lun':
return StringIO(tgt_setup_lun_response % (zvol, zvol))
mockRunCommand.side_effect = my_side_effect
self.client.ib_net = 'ibnet'
self.client.map_zvol(
{
'action': 'map_zvol',
'zpool': 'mytank',
'zvol': zvol,
'remotehost': 'compute-0-1',
'size': '10'
}, BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{
'action': 'zvol_mapped',
'status': 'error',
'error': 'ZVol %s is busy' % zvol
},
routing_key='reply_to',
exchange='')
self.assertTrue(self.check_zvol_busy(zvol))
def test_fail_action(self):
self.client.failAction('routing_key', 'action', 'error_message')
self.client.queue_connector.publish_message.assert_called_with(
{
'action': 'action',
'status': 'error',
'error': 'error_message'
},
routing_key='routing_key',
exchange='')
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch(
'imgstorage.imgstoragenas.rocks.db.helper.DatabaseHelper.getHostAttr',
return_value=False)
def test_teardown_success(self, mockHostSyncAttr, mockRunCommand):
zvol = 'vol2'
mockRunCommand.return_value = StringIO(tgtadm_response % (zvol, zvol))
self.client.unmap_zvol({
'action': 'unmap_zvol',
'zvol': zvol
}, BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{
'action': 'unmap_zvol',
'target': u'iqn.2001-04.com.nas-0-1-%s' % zvol,
'zvol': zvol
},
u'compute-0-3',
self.client.NODE_NAME,
on_fail=ANY)
self.assertTrue(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch(
'imgstorage.imgstoragenas.rocks.db.helper.DatabaseHelper.getHostAttr',
return_value=False)
def test_teardown_busy(self, mockHostSyncAttr, mockRunCommand):
zvol = 'vol3_busy'
mockRunCommand.return_value = StringIO(tgtadm_response % (zvol, zvol))
self.assertFalse(
self.client.unmap_zvol({
'action': 'unmap_zvol',
'zvol': zvol
}, BasicProperties(reply_to='reply_to')))
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_teardown_unmapped_volume(self, mockRunCommand):
zvol = 'vol1'
mockRunCommand.return_value = StringIO(tgtadm_response % (zvol, zvol))
self.client.unmap_zvol({
'action': 'unmap_zvol',
'zvol': zvol
}, BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{
'action': 'zvol_unmapped',
'status': 'error',
'error': 'ZVol %s is not mapped' % zvol
},
routing_key='reply_to',
exchange='')
self.assertFalse(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.runCommand', return_value='')
def test_del_zvol_success(self, mockRunCommand):
zvol = 'vol1'
self.client.del_zvol(
{
'action': 'del_zvol',
'zpool': 'mytank',
'zvol': zvol
}, BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{
'action': 'zvol_deleted',
'status': 'success'
},
routing_key='reply_to',
exchange='')
mockRunCommand.assert_called_with(
['zfs', 'destroy', 'mytank/%s' % (zvol), '-r'])
self.assertFalse(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.runCommand', return_value='')
def test_del_zvol_not_found(self, mockRunCommand):
zvol = 'wrong_vol'
self.client.del_zvol(
{
'action': 'del_zvol',
'zpool': 'mytank',
'zvol': zvol
}, BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{
'action': 'zvol_deleted',
'status': 'error',
'error': 'ZVol %s not found in database' % zvol
},
routing_key='reply_to',
exchange='')
self.assertFalse(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.runCommand', return_value='')
def test_del_zvol_mapped(self, mockRunCommand):
zvol = 'vol2'
self.client.del_zvol(
{
'action': 'del_zvol',
'zpool': 'mytank',
'zvol': zvol
}, BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{
'action': 'zvol_deleted',
'status': 'error',
'error': 'Error deleting zvol %s: is mapped' % zvol
},
routing_key='reply_to',
exchange='')
self.assertFalse(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_find_iscsi_target_num_not_found(self, mockRunCommand):
zvol = 'vol1'
target = 'not_found_iqn.2001-04.com.nas-0-1-%s' % zvol
mockRunCommand.return_value = StringIO(tgtadm_response % (zvol, zvol))
self.assertEqual(self.client.find_iscsi_target_num(target), None)
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_find_iscsi_target_num_success(self, mockRunCommand):
zvol = 'vol1'
target = 'iqn.2001-04.com.nas-0-1-%s' % zvol
mockRunCommand.return_value = StringIO(tgtadm_response % (zvol, zvol))
self.assertEqual(self.client.find_iscsi_target_num(target), '1')
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('imgstorage.imgstoragenas.NasDaemon.is_sync_node',
return_value=False)
def test_zvol_unmapped_success(self, mockIsSyncMode, mockRunCommand):
zvol = 'vol3_busy'
target = 'iqn.2001-04.com.nas-0-1-%s' % zvol
self.client.zvol_unmapped(
{
'action': 'zvol_unmapped',
'target': target,
'zvol': zvol,
'status': 'success'
}, BasicProperties(reply_to='reply_to',
correlation_id='message_id'))
self.client.queue_connector.publish_message.assert_called_with(
{
'action': 'zvol_unmapped',
'status': 'success'
},
routing_key=u'reply_to',
exchange='')
self.assertFalse(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_zvol_unmapped_got_error(self, mockRunCommand):
zvol = 'vol3_busy'
target = 'iqn.2001-04.com.nas-0-1-%s' % zvol
self.client.zvol_unmapped(
{
'action': 'zvol_unmapped',
'target': target,
'zvol': zvol,
'status': 'error',
'error': 'Some error'
}, BasicProperties(reply_to='reply_to',
correlation_id='message_id'))
self.client.queue_connector.publish_message.assert_called_with(
{
'action':
'zvol_unmapped',
'status':
'error',
'error':
'Error detaching iSCSI target from compute node: Some error'
},
routing_key=u'reply_to',
exchange='')
self.assertFalse(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.NasDaemon.is_sync_node',
return_value=False)
def test_zvol_mapped_success(self, mockIsSyncMode):
zvol = 'vol4_busy'
target = 'iqn.2001-04.com.nas-0-1-%s' % zvol
self.client.zvol_mapped(
{
'action': 'zvol_mapped',
'target': target,
'bdev': 'sdc',
'status': 'success'
}, BasicProperties(reply_to='reply_to',
correlation_id='message_id'))
self.client.queue_connector.publish_message.assert_called_with(
{
'action': 'zvol_mapped',
'status': 'success',
'bdev': 'sdc'
},
routing_key=u'reply_to',
exchange='')
self.assertFalse(self.check_zvol_busy(zvol))
def test_zvol_mapped_got_error(self):
zvol = 'vol4_busy'
target = 'iqn.2001-04.com.nas-0-1-%s' % zvol
self.client.zvol_mapped(
{
'action': 'zvol_mapped',
'target': target,
'status': 'error',
'error': 'Some error'
}, BasicProperties(reply_to='reply_to',
correlation_id='message_id'))
self.client.queue_connector.publish_message.assert_called_with(
{
'action': 'zvol_mapped',
'status': 'error',
'error':
'Error attaching iSCSI target to compute node: Some error'
},
routing_key=u'reply_to',
exchange='')
self.assertFalse(self.check_zvol_busy(zvol)) # TODO IS THIS RIGHT?
def check_zvol_busy(self, zvol):
with sqlite3.connect(self.client.SQLITE_DB) as con:
cur = con.cursor()
cur.execute('SELECT count(*) from zvol_calls where zvol = ?',
[zvol])
num_rows = cur.fetchone()[0]
return num_rows > 0
class TestNasFunctions(unittest.TestCase):
def mock_rabbitcli(self, exchange, exchange_type, process_message=None):
class MockRabbitMQCommonClient(RabbitMQCommonClient):
def publish_message(self, message, routing_key=None, reply_to=None, exchange=None, correlation_id=None, on_fail=None):
return
return MockRabbitMQCommonClient
@mock.patch('imgstorage.imgstoragenas.RabbitMQCommonClient')
@mock.patch('imgstorage.imgstoragenas.NasDaemon.is_sync_node', return_value=False)
def setUp(self, mock_sync_node, mock_rabbit):
self.client = NasDaemon()
mock_rabbit.publish_message = MagicMock()
self.client.process_message = MagicMock()
self.client.SQLITE_DB = '/tmp/test_db_%s'%uuid.uuid4()
self.client.run()
with sqlite3.connect(self.client.SQLITE_DB) as con:
cur = con.cursor()
cur.execute('INSERT INTO zvols VALUES (?,?,?,?) ',('vol1',None, None, None))
cur.execute('INSERT INTO zvols VALUES (?,?,?,?) ',('vol2', 'my_tank', 'iqn.2001-04.com.nas-0-1-vol2', 'compute-0-3'))
cur.execute('INSERT INTO zvols VALUES (?,?,?,?) ',('vol3_busy', 'my_tank', 'iqn.2001-04.com.nas-0-1-vol3_busy', 'compute-0-3'))
cur.execute('INSERT INTO zvol_calls VALUES (?,?,?)',('vol3_busy', 'reply_to', time.time()))
cur.execute('INSERT INTO zvols VALUES (?,?,?,?) ',('vol4_busy', 'my_tank', 'iqn.2001-04.com.nas-0-1-vol4_busy', 'compute-0-3'))
cur.execute('INSERT INTO zvol_calls VALUES (?,?,?)',('vol4_busy', 'reply_to', time.time()))
con.commit()
def tearDown(self):
os.remove(self.client.SQLITE_DB)
""" Testing mapping of newly created zvol """
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('socket.gethostbyname', return_value='10.1.1.1')
def test_map_zvol_createnew_success(self, mockGetHostCommand, mockRunCommand):
zvol = 'vol3'
def my_side_effect(*args, **kwargs):
if args[0][0] == 'zfs': return StringIO("")
elif args[0][0] == 'tgt-setup-lun': return StringIO(tgt_setup_lun_response%(zvol, zvol))
mockRunCommand.side_effect = my_side_effect
self.client.ib_net = 'ibnet'
self.client.map_zvol(
{'action': 'map_zvol', 'zpool':'mytank', 'zvol': zvol, 'remotehost': 'compute-0-1', 'size': '10'},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'map_zvol', 'zvol': zvol, 'nas': '%s.ibnet'%self.client.NODE_NAME, 'target': 'iqn.2001-04.com.nas-0-1-%s'%(zvol), 'size':'10'}, 'compute-0-1', self.client.NODE_NAME, on_fail=ANY)
self.assertTrue(self.check_zvol_busy(zvol))
""" Testing mapping of zvol created before """
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('socket.gethostbyname', return_value='10.1.1.1')
def test_map_zvol_usecreated_success(self, mockGetHostCommand, mockRunCommand ):
zvol = 'vol1'
def my_side_effect(*args, **kwargs):
if args[0][0] == 'zfs': return StringIO("")
elif args[0][0] == 'tgt-setup-lun': return StringIO(tgt_setup_lun_response%(zvol, zvol))
mockRunCommand.side_effect = my_side_effect
self.client.ib_net = 'ibnet'
self.client.map_zvol(
{'action': 'map_zvol', 'zpool':'mytank', 'zvol': zvol, 'remotehost': 'compute-0-1', 'size': '10'},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'map_zvol', 'zvol': zvol, 'nas': '%s.ibnet'%self.client.NODE_NAME, 'target': 'iqn.2001-04.com.nas-0-1-%s'%(zvol), 'size':'10'}, 'compute-0-1', self.client.NODE_NAME, on_fail=ANY)
self.assertTrue(self.check_zvol_busy(zvol))
""" Testing mapping of busy zvol """
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('socket.gethostbyname', return_value='10.1.1.1')
def test_map_zvol_busy(self, mockGetHostCommand, mockRunCommand ):
zvol = 'vol3_busy'
def my_side_effect(*args, **kwargs): # just in case... not used in normal condition
if args[0][0] == 'zfs': return StringIO("")
elif args[0][0] == 'tgt-setup-lun': return StringIO(tgt_setup_lun_response%(zvol, zvol))
mockRunCommand.side_effect = my_side_effect
self.client.ib_net = 'ibnet'
self.client.map_zvol(
{'action': 'map_zvol', 'zpool':'mytank', 'zvol': zvol, 'remotehost': 'compute-0-1', 'size': '10'},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_mapped', 'status': 'error', 'error': 'ZVol %s is busy'%zvol}, routing_key='reply_to', exchange='')
self.assertTrue(self.check_zvol_busy(zvol))
def test_fail_action(self):
self.client.failAction('routing_key', 'action', 'error_message')
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'action', 'status': 'error', 'error': 'error_message'},
routing_key='routing_key',
exchange='')
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('imgstorage.imgstoragenas.rocks.db.helper.DatabaseHelper.getHostAttr', return_value=False)
def test_teardown_success(self, mockHostSyncAttr, mockRunCommand):
zvol = 'vol2'
mockRunCommand.return_value = StringIO(tgtadm_response%(zvol, zvol))
self.client.unmap_zvol(
{'action': 'unmap_zvol', 'zvol': zvol},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'unmap_zvol', 'target': u'iqn.2001-04.com.nas-0-1-%s'%zvol, 'zvol':zvol}, u'compute-0-3', self.client.NODE_NAME, on_fail=ANY)
self.assertTrue(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('imgstorage.imgstoragenas.rocks.db.helper.DatabaseHelper.getHostAttr', return_value=False)
def test_teardown_busy(self, mockHostSyncAttr, mockRunCommand):
zvol = 'vol3_busy'
mockRunCommand.return_value = StringIO(tgtadm_response%(zvol, zvol))
self.assertFalse(self.client.unmap_zvol(
{'action': 'unmap_zvol', 'zvol': zvol},
BasicProperties(reply_to='reply_to')))
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_teardown_unmapped_volume(self, mockRunCommand):
zvol = 'vol1'
mockRunCommand.return_value = StringIO(tgtadm_response%(zvol, zvol))
self.client.unmap_zvol(
{'action': 'unmap_zvol', 'zvol': zvol},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_unmapped', 'status': 'error', 'error': 'ZVol %s is not mapped'%zvol},
routing_key='reply_to',
exchange='')
self.assertFalse(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.runCommand', return_value='')
def test_del_zvol_success(self, mockRunCommand):
zvol = 'vol1'
self.client.del_zvol(
{'action': 'del_zvol', 'zpool':'mytank', 'zvol': zvol},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_deleted', 'status': 'success'}, routing_key='reply_to', exchange='')
mockRunCommand.assert_called_with(['zfs', 'destroy', 'mytank/%s'%(zvol), '-r'])
self.assertFalse(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.runCommand', return_value='')
def test_del_zvol_not_found(self, mockRunCommand):
zvol = 'wrong_vol'
self.client.del_zvol(
{'action': 'del_zvol', 'zpool':'mytank', 'zvol': zvol},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_deleted', 'status': 'error', 'error': 'ZVol %s not found in database'%zvol},
routing_key='reply_to', exchange='')
self.assertFalse(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.runCommand', return_value='')
def test_del_zvol_mapped(self, mockRunCommand):
zvol = 'vol2'
self.client.del_zvol(
{'action': 'del_zvol', 'zpool':'mytank', 'zvol': zvol},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_deleted', 'status': 'error', 'error': 'Error deleting zvol %s: is mapped'%zvol},
routing_key='reply_to', exchange='')
self.assertFalse(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_find_iscsi_target_num_not_found(self, mockRunCommand):
zvol = 'vol1'
target = 'not_found_iqn.2001-04.com.nas-0-1-%s'%zvol
mockRunCommand.return_value = StringIO(tgtadm_response%(zvol, zvol))
self.assertEqual(self.client.find_iscsi_target_num(target), None)
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_find_iscsi_target_num_success(self, mockRunCommand):
zvol = 'vol1'
target = 'iqn.2001-04.com.nas-0-1-%s'%zvol
mockRunCommand.return_value = StringIO(tgtadm_response%(zvol, zvol))
self.assertEqual(self.client.find_iscsi_target_num(target), '1')
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('imgstorage.imgstoragenas.NasDaemon.is_sync_node', return_value=False)
def test_zvol_unmapped_success(self, mockIsSyncMode, mockRunCommand):
zvol = 'vol3_busy'
target = 'iqn.2001-04.com.nas-0-1-%s'%zvol
self.client.zvol_unmapped(
{'action': 'zvol_unmapped', 'target':target, 'zvol':zvol, 'status':'success'},
BasicProperties(reply_to='reply_to', correlation_id='message_id'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_unmapped', 'status': 'success'}, routing_key=u'reply_to', exchange='')
self.assertFalse(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_zvol_unmapped_got_error(self, mockRunCommand):
zvol = 'vol3_busy'
target = 'iqn.2001-04.com.nas-0-1-%s'%zvol
self.client.zvol_unmapped(
{'action': 'zvol_unmapped', 'target':target, 'zvol':zvol, 'status':'error', 'error':'Some error'},
BasicProperties(reply_to='reply_to', correlation_id='message_id'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_unmapped', 'status': 'error', 'error': 'Error detaching iSCSI target from compute node: Some error'}, routing_key=u'reply_to', exchange='')
self.assertFalse(self.check_zvol_busy(zvol))
@mock.patch('imgstorage.imgstoragenas.NasDaemon.is_sync_node', return_value=False)
def test_zvol_mapped_success(self, mockIsSyncMode):
zvol = 'vol4_busy'
target = 'iqn.2001-04.com.nas-0-1-%s'%zvol
self.client.zvol_mapped(
{'action': 'zvol_mapped', 'target':target, 'bdev': 'sdc', 'status':'success'},
BasicProperties(reply_to='reply_to', correlation_id='message_id'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_mapped', 'status': 'success', 'bdev': 'sdc'}, routing_key=u'reply_to', exchange='')
self.assertFalse(self.check_zvol_busy(zvol))
def test_zvol_mapped_got_error(self):
zvol = 'vol4_busy'
target = 'iqn.2001-04.com.nas-0-1-%s'%zvol
self.client.zvol_mapped(
{'action': 'zvol_mapped', 'target':target, 'status':'error', 'error':'Some error'},
BasicProperties(reply_to='reply_to', correlation_id='message_id'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_mapped', 'status': 'error', 'error': 'Error attaching iSCSI target to compute node: Some error'}, routing_key=u'reply_to', exchange='')
self.assertFalse(self.check_zvol_busy(zvol)) # TODO IS THIS RIGHT?
def check_zvol_busy(self, zvol):
with sqlite3.connect(self.client.SQLITE_DB) as con:
cur = con.cursor()
cur.execute('SELECT count(*) from zvol_calls where zvol = ?',[zvol])
num_rows = cur.fetchone()[0]
return num_rows > 0
class TestSyncFunctions(unittest.TestCase):
def mock_rabbitcli(self, exchange, exchange_type, process_message=None):
class MockRabbitMQCommonClient(RabbitMQCommonClient):
def publish_message(self, message, routing_key=None, reply_to=None, exchange=None, correlation_id=None, on_fail=None):
return
return MockRabbitMQCommonClient
@mock.patch('imgstorage.imgstoragenas.RabbitMQCommonClient')
@mock.patch('imgstorage.imgstoragevm.RabbitMQCommonClient')
def setUp(self, mock_rabbit_vm, mock_rabbit_sync):
self.nas_client = NasDaemon()
mock_rabbit_vm.publish_message = MagicMock()
mock_rabbit_sync.publish_message = MagicMock()
self.nas_client.process_message = MagicMock()
self.nas_client.is_sync_node = MagicMock(return_value = True)
self.nas_client.get_node_zpool = MagicMock(return_value = 'my_tank')
self.nas_client.SQLITE_DB = '/tmp/test_db_%s'%uuid.uuid4()
self.nas_client.run()
with sqlite3.connect(self.nas_client.SQLITE_DB) as con:
cur = con.cursor()
cur.execute('CREATE TABLE IF NOT EXISTS zvol_calls(zvol TEXT PRIMARY KEY NOT NULL, reply_to TEXT NOT NULL, time INT NOT NULL)')
cur.execute('CREATE TABLE IF NOT EXISTS zvols(zvol TEXT PRIMARY KEY NOT NULL, zpool TEXT NOT NULL, iscsi_target TEXT UNIQUE, remotehost TEXT)')
cur.execute('INSERT INTO zvols VALUES (?,?,?,?) ',('vol1', None, None, None))
cur.execute('INSERT INTO zvols VALUES (?,?,?,?) ',('vol2', 'my_tank', None, 'compute-0-1'))
cur.execute('INSERT INTO zvols VALUES (?,?,?,?) ',('vol3_busy', 'my_tank', None, 'compute-0-1'))
cur.execute('INSERT INTO zvol_calls VALUES (?,?,?)',('vol3_busy', 'reply_to', time.time()))
cur.execute('INSERT INTO zvols VALUES (?,?,?,?) ',('vol4_busy', 'my_tank', 'iqn.2001-04.com.nas-0-1-vol4_busy', 'compute-0-1'))
cur.execute('INSERT INTO zvol_calls VALUES (?,?,?)',('vol4_busy', 'reply_to', time.time()))
con.commit()
def tearDown(self):
os.remove(self.nas_client.SQLITE_DB)
@mock.patch('imgstorage.imgstoragenas.NasDaemon.download_snapshot')
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_zvol_unmapped_success(self, mock_run_command, mock_download_snapshot):
zvol = 'vol4_busy'
target = 'iqn.2001-04.com.nas-0-1-%s'%zvol
mock_run_command.return_value = (iscsiadm_session_response%(target, zvol)).splitlines()
self.nas_client.zvol_unmapped(
{'action': 'zvol_unmapped', 'target':target, 'zvol': zvol, 'status':'success'},
BasicProperties(reply_to='compute-0-3', correlation_id='message_id'))
self.nas_client.schedule_next_sync()
self.nas_client.pool.close()
self.nas_client.pool.join()
print mock_download_snapshot.mock_calls
self.nas_client.download_snapshot.assert_called_with('my_tank', zvol, 'compute-0-3.ibnet')
with sqlite3.connect(self.nas_client.SQLITE_DB) as con:
cur = con.cursor()
cur.execute('SELECT zvol, iscsi_target, remotehost FROM zvols WHERE zvol = ?',[zvol])
self.assertSequenceEqual(cur.fetchone(), [zvol, None, 'compute-0-1'])
@mock.patch('imgstorage.imgstoragevm.VmDaemon.is_sync_enabled', return_value=True)
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_zvol_synced_success(self, mock_run_command, mock_sync_enabled):
zvol = 'vol2'
target = 'iqn.2001-04.com.nas-0-1-%s'%zvol
mock_run_command.return_value = (iscsiadm_session_response%(target, zvol)).splitlines()
self.nas_client.zvol_synced(
{'action': 'zvol_synced', 'status':'success', 'zvol':zvol},
BasicProperties(reply_to='reply_to', correlation_id='message_id'))
self.assertFalse(self.check_zvol_busy(zvol))
with sqlite3.connect(self.nas_client.SQLITE_DB) as con:
cur = con.cursor()
cur.execute('SELECT zvol, iscsi_target, remotehost FROM zvols WHERE zvol = ?',[zvol])
self.assertSequenceEqual(cur.fetchone(), [zvol, None, 'compute-0-1'])
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('imgstorage.imgstoragenas.NasDaemon.upload_snapshot')
def test_zvol_mapped(self, mock_upload_snapshot, mock_run_command):
zvol = 'vol4_busy'
target = 'iqn.2001-04.com.nas-0-1-%s'%zvol
bdev = 'sdc'
mock_run_command.return_value = (iscsiadm_session_response%(target, zvol)).splitlines()
self.nas_client.zvol_mapped(
{'action': 'zvol_mapped', 'target':target, 'bdev':bdev, 'zvol':zvol, 'status':'success'},
BasicProperties(reply_to='reply_to', correlation_id='message_id'))
self.nas_client.schedule_next_sync()
self.nas_client.pool.close()
self.nas_client.pool.join()
print mock_upload_snapshot.mock_calls
mock_upload_snapshot.assert_called_with('my_tank', zvol, 'reply_to.ibnet')
self.assertTrue(self.check_zvol_busy(zvol))
with sqlite3.connect(self.nas_client.SQLITE_DB) as con:
cur = con.cursor()
cur.execute('SELECT zvol, iscsi_target, remotehost FROM zvols WHERE zvol = ?',[zvol])
self.assertSequenceEqual(cur.fetchone(), [zvol, target, 'compute-0-1'])
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_zvol_mapped_finished(self, mock_run_command):
zvol = 'vol4_busy'
target = 'iqn.2001-04.com.nas-0-1-%s'%zvol
bdev = 'sdc'
mock_run_command.return_value = (iscsiadm_session_response%(target, zvol)).splitlines()
self.nas_client.zvol_mapped(
{'action': 'zvol_mapped', 'target':target, 'bdev':bdev, 'zvol':zvol, 'status':'success'},
BasicProperties(reply_to='reply_to', correlation_id='message_id'))
self.nas_client.sync_result = MagicMock()
self.nas_client.sync_result.ready = MagicMock(return_value=True)
self.nas_client.schedule_next_sync()
self.nas_client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_mapped', 'bdev':bdev, 'status': 'success'}, routing_key='reply_to', exchange='')
self.assertTrue(self.check_zvol_busy(zvol))
with sqlite3.connect(self.nas_client.SQLITE_DB) as con:
cur = con.cursor()
cur.execute('SELECT zvol, iscsi_target, remotehost FROM zvols WHERE zvol = ?',[zvol])
self.assertSequenceEqual(cur.fetchone(), [zvol, target, 'compute-0-1'])
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_zvol_unmapped_finished_when_have_pull_scheduled(self, mock_run_command):
zvol = 'vol4_busy'
target = 'iqn.2001-04.com.nas-0-1-%s'%zvol
bdev = 'sdc'
mock_run_command.return_value = (iscsiadm_session_response%(target, zvol)).splitlines()
with sqlite3.connect(self.nas_client.SQLITE_DB) as con:
cur = con.cursor()
cur.execute('INSERT INTO sync_queue VALUES(?,?,?,0,0,1)',[zvol, 'my_tank', 'compute-0-3'])
con.commit()
self.nas_client.zvol_unmapped(
{'action': 'zvol_unmapped', 'target':target, 'zvol':zvol, 'status':'success'},
BasicProperties(reply_to='reply_to', correlation_id='message_id'))
cur.execute('SELECT is_delete_remote FROM sync_queue WHERE zvol = ?',[zvol])
self.assertEqual(cur.fetchone()[0], 1)
sync_result = MagicMock()
sync_result.ready = MagicMock(return_value=True)
self.nas_client.results[zvol] = sync_result
self.nas_client.schedule_next_sync()
self.assertFalse(self.check_zvol_busy(zvol))
print mock_run_command.mock_calls
mock_run_command.assert_any_call(['su', 'img-storage', '-c', '/usr/bin/ssh compute-0-3 "/sbin/zfs destroy my_tank/%s -r"'%zvol])
@mock.patch('imgstorage.imgstoragenas.runCommand', return_value=
("my_tank/vm-hpcdev-pub03-1-vol@aaa\n"+
"my_tank/vm-hpcdev-pub03-1-vol@bbb").splitlines())
def test_find_last_snapshot(self, mock_run_command):
zvol = 'vm-hpcdev-pub03-1-vol'
self.assertEqual(self.nas_client.find_last_snapshot('my_tank', zvol), 'bbb')
def check_zvol_busy(self, zvol):
with sqlite3.connect(self.nas_client.SQLITE_DB) as con:
cur = con.cursor()
cur.execute('SELECT count(*) from zvol_calls where zvol = ?',[zvol])
num_rows = cur.fetchone()[0]
return num_rows > 0
def assertSequenceEqual(self, it1, it2):
self.assertEqual(tuple(it1), tuple(it2))
class TestNasFunctions(unittest.TestCase):
def mock_rabbitcli(self, exchange, exchange_type, process_message=None):
class MockRabbitMQCommonClient(RabbitMQCommonClient):
def publish_message(self, message, routing_key=None, reply_to=None, exchange=None, correlation_id=None, on_fail=None):
return
return MockRabbitMQCommonClient
@mock.patch('imgstorage.imgstoragenas.RabbitMQCommonClient')
def setUp(self, mock_rabbit):
self.client = NasDaemon()
mock_rabbit.publish_message = MagicMock()
self.client.process_message = MagicMock()
self.client.SQLITE_DB = '/tmp/test_db_%s'%uuid.uuid4()
self.client.run()
with sqlite3.connect(self.client.SQLITE_DB) as con:
cur = con.cursor()
cur.execute('INSERT INTO zvols VALUES (?,?,?) ',('vol1', None, None))
cur.execute('INSERT INTO zvols VALUES (?,?,?) ',('vol2', 'iqn.2001-04.com.nas-0-1-vol2', 'nas-0-1'))
cur.execute('INSERT INTO zvols VALUES (?,?,?) ',('vol3_busy', 'iqn.2001-04.com.nas-0-1-vol3_busy', 'nas-0-1'))
cur.execute('INSERT INTO zvol_calls VALUES (?,?,?)',('vol3_busy', 'reply_to', time.time()))
con.commit()
def tearDown(self):
os.remove(self.client.SQLITE_DB)
""" Testing mapping of newly created zvol """
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('socket.gethostbyname', return_value='10.1.1.1')
def test_set_zvol_createnew_success(self, mockGetHostCommand, mockRunCommand):
zvol = 'vol3'
def my_side_effect(*args, **kwargs):
if args[0][0] == 'zfs': return StringIO("")
elif args[0][0] == 'tgt-setup-lun': return StringIO(tgt_setup_lun_response%(zvol, zvol))
mockRunCommand.side_effect = my_side_effect
self.client.ib_net = 'ibnet'
self.client.set_zvol(
{'action': 'set_zvol', 'zvol': zvol, 'hosting': 'compute-0-1', 'size': '10gb'},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'set_zvol', 'nas': 'hpcdev-pub02.ibnet', 'target': 'iqn.2001-04.com.nas-0-1-%s'%(zvol)}, 'compute-0-1', 'hpcdev-pub02', on_fail=ANY)
""" Testing mapping of zvol created before """
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('socket.gethostbyname', return_value='10.1.1.1')
def test_set_zvol_usecreated_success(self, mockGetHostCommand, mockRunCommand ):
zvol = 'vol1'
def my_side_effect(*args, **kwargs):
if args[0][0] == 'zfs': return StringIO("")
elif args[0][0] == 'tgt-setup-lun': return StringIO(tgt_setup_lun_response%(zvol, zvol))
mockRunCommand.side_effect = my_side_effect
self.client.ib_net = 'ibnet'
self.client.set_zvol(
{'action': 'set_zvol', 'zvol': zvol, 'hosting': 'compute-0-1', 'size': '10gb'},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'set_zvol', 'nas': 'hpcdev-pub02.ibnet', 'target': 'iqn.2001-04.com.nas-0-1-%s'%(zvol)}, 'compute-0-1', 'hpcdev-pub02', on_fail=ANY)
""" Testing mapping of busy zvol """
@mock.patch('imgstorage.imgstoragenas.runCommand')
@mock.patch('socket.gethostbyname', return_value='10.1.1.1')
def test_set_zvol_busy(self, mockGetHostCommand, mockRunCommand ):
zvol = 'vol3_busy'
def my_side_effect(*args, **kwargs): # just in case... not used in normal condition
if args[0][0] == 'zfs': return StringIO("")
elif args[0][0] == 'tgt-setup-lun': return StringIO(tgt_setup_lun_response%(zvol, zvol))
mockRunCommand.side_effect = my_side_effect
self.client.ib_net = 'ibnet'
self.client.set_zvol(
{'action': 'set_zvol', 'zvol': zvol, 'hosting': 'compute-0-1', 'size': '10gb'},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_attached', 'status': 'error', 'error': 'ZVol %s is busy'%zvol}, routing_key='reply_to', exchange='')
def test_fail_action(self):
self.client.failAction('routing_key', 'action', 'error_message')
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'action', 'status': 'error', 'error': 'error_message'},
routing_key='routing_key',
exchange='')
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_teardown_success(self, mockRunCommand):
zvol = 'vol2'
mockRunCommand.return_value = StringIO(tgtadm_response%(zvol, zvol))
self.client.tear_down(
{'action': 'tear_down', 'zvol': zvol},
BasicProperties(reply_to='reply_to'))
mockRunCommand.assert_called_with(['tgtadm', '--op', 'show', '--mode', 'target'])
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'tear_down', 'target': u'iqn.2001-04.com.nas-0-1-%s'%zvol}, u'nas-0-1', 'hpcdev-pub02', on_fail=ANY)
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_teardown_busy(self, mockRunCommand):
zvol = 'vol3_busy'
mockRunCommand.return_value = StringIO(tgtadm_response%(zvol, zvol))
self.client.tear_down(
{'action': 'tear_down', 'zvol': zvol},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_detached', 'status': 'error', 'error': 'ZVol %s is busy'%zvol}, routing_key='reply_to', exchange='')
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_teardown_detached_volume(self, mockRunCommand):
zvol = 'vol1'
mockRunCommand.return_value = StringIO(tgtadm_response%(zvol, zvol))
self.client.tear_down(
{'action': 'tear_down', 'zvol': zvol},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_detached', 'status': 'error', 'error': 'ZVol %s is not attached'%zvol},
routing_key='reply_to',
exchange='')
@mock.patch('imgstorage.imgstoragenas.runCommand', return_value='')
def test_del_zvol_success(self, mockRunCommand):
zvol = 'vol1'
self.client.del_zvol(
{'action': 'del_zvol', 'zvol': zvol},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_deleted', 'status': 'success'}, routing_key='reply_to', exchange='')
@mock.patch('imgstorage.imgstoragenas.runCommand', return_value='')
def test_del_zvol_not_found(self, mockRunCommand):
zvol = 'wrong_vol'
self.client.del_zvol(
{'action': 'del_zvol', 'zvol': zvol},
BasicProperties(reply_to='reply_to'))
self.client.queue_connector.publish_message.assert_called_with(
{'action': 'zvol_deleted', 'status': 'error', 'error': 'ZVol %s not found in database'%zvol},
routing_key='reply_to', exchange='')
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_find_iscsi_target_num_not_found(self, mockRunCommand):
zvol = 'vol1'
target = 'not_found_iqn.2001-04.com.nas-0-1-%s'%zvol
mockRunCommand.return_value = StringIO(tgtadm_response%(zvol, zvol))
self.assertEqual(self.client.find_iscsi_target_num(target), None)
@mock.patch('imgstorage.imgstoragenas.runCommand')
def test_find_iscsi_target_num_success(self, mockRunCommand):
zvol = 'vol1'
target = 'iqn.2001-04.com.nas-0-1-%s'%zvol
mockRunCommand.return_value = StringIO(tgtadm_response%(zvol, zvol))
self.assertEqual(self.client.find_iscsi_target_num(target), '1')