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# Copyright 2020 Cloudbase Solutions Srl
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from unittest import mock
import ddt
from oslo_concurrency import processutils
from os_brick import exception
from os_brick.initiator.windows import rbd
from os_brick.tests.initiator.connectors import test_base_rbd
from os_brick.tests.windows import test_base
@ddt.ddt
class WindowsRBDConnectorTestCase(test_base_rbd.RBDConnectorTestMixin,
test_base.WindowsConnectorTestBase):
def setUp(self):
super(WindowsRBDConnectorTestCase, self).setUp()
self._diskutils = mock.Mock()
self._execute = mock.Mock(return_value=['fake_stdout', 'fake_stderr'])
self._conn = rbd.WindowsRBDConnector(execute=self._execute)
self._conn._diskutils = self._diskutils
self.dev_name = '\\\\.\\PhysicalDrive5'
@ddt.data(True, False)
def test_check_rbd(self, rbd_available):
self._execute.side_effect = (
None if rbd_available
else processutils.ProcessExecutionError)
self.assertEqual(rbd_available, self._conn._check_rbd())
if rbd_available:
self._conn._ensure_rbd_available()
else:
self.assertRaises(exception.BrickException,
self._conn._ensure_rbd_available)
expected_cmd = ['where.exe', 'rbd']
self._execute.assert_any_call(*expected_cmd)
@mock.patch.object(rbd.WindowsRBDConnector, 'get_device_name')
def test_get_volume_paths(self, mock_get_dev_name):
vol_paths = self._conn.get_volume_paths(mock.sentinel.conn_props)
self.assertEqual([mock_get_dev_name.return_value], vol_paths)
mock_get_dev_name.assert_called_once_with(mock.sentinel.conn_props)
@ddt.data(True, False)
@mock.patch.object(rbd.WindowsRBDConnector, 'get_device_name')
@mock.patch('oslo_utils.eventletutils.EventletEvent.wait')
def test_wait_for_volume(self, device_found, mock_wait, mock_get_dev_name):
mock_open = mock.mock_open()
if device_found:
mock_get_dev_name.return_value = mock.sentinel.dev_name
else:
# First call fails to locate the device, the following ones can't
# open it.
mock_get_dev_name.side_effect = (
[None] +
[mock.sentinel.dev_name] * self._conn.device_scan_attempts)
mock_open.side_effect = FileNotFoundError
with mock.patch.object(rbd, 'open', mock_open,
create=True):
if device_found:
dev_name = self._conn._wait_for_volume(
self.connection_properties)
self.assertEqual(mock.sentinel.dev_name, dev_name)
else:
self.assertRaises(exception.VolumeDeviceNotFound,
self._conn._wait_for_volume,
self.connection_properties)
mock_open.assert_any_call(mock.sentinel.dev_name, 'rb')
mock_get_dev_name.assert_any_call(self.connection_properties,
expect=False)
@mock.patch.object(rbd.WindowsRBDConnector, '_wait_for_volume')
@mock.patch.object(rbd.WindowsRBDConnector, 'get_device_name')
def test_connect_volume(self, mock_get_dev_name, mock_wait_vol):
mock_get_dev_name.return_value = None
mock_wait_vol.return_value = self.dev_name
ret_val = self._conn.connect_volume(self.connection_properties)
exp_ret_val = {
'path': self.dev_name,
'type': 'block'
}
self.assertEqual(exp_ret_val, ret_val)
exp_exec_args = ['rbd', 'device', 'map', self.image_name]
exp_exec_args += self._conn._get_rbd_args(self.connection_properties)
self._execute.assert_any_call(*exp_exec_args)
mock_wait_vol.assert_called_once_with(self.connection_properties)
mock_get_dev_num = self._diskutils.get_device_number_from_device_name
mock_get_dev_num.assert_called_once_with(self.dev_name)
self._diskutils.set_disk_offline.assert_called_once_with(
mock_get_dev_num.return_value)
@ddt.data(True, False)
@mock.patch.object(rbd.WindowsRBDConnector, 'get_device_name')
def test_disconnect_volume(self, force, mock_get_dev_name):
mock_get_dev_name.return_value = self.dev_name
self._conn.disconnect_volume(self.connection_properties, force=force)
exp_exec_args = ['rbd', 'device', 'unmap', self.image_name]
exp_exec_args += self._conn._get_rbd_args(self.connection_properties)
if force:
exp_exec_args += ["-o", "hard-disconnect"]
self._execute.assert_any_call(*exp_exec_args)
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