277 lines
11 KiB
Python
277 lines
11 KiB
Python
# Copyright 2015 Odin
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import copy
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import errno
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import os
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import mock
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from os_brick.remotefs import remotefs
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from oslo_utils import units
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from cinder import exception
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from cinder.image import image_utils
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from cinder import test
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from cinder.volume.drivers import vzstorage
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class VZStorageTestCase(test.TestCase):
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_FAKE_SHARE = "10.0.0.1,10.0.0.2:/cluster123:123123"
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_FAKE_MNT_BASE = '/mnt'
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_FAKE_MNT_POINT = os.path.join(_FAKE_MNT_BASE, 'fake_hash')
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_FAKE_VOLUME_NAME = 'volume-4f711859-4928-4cb7-801a-a50c37ceaccc'
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_FAKE_VOLUME_PATH = os.path.join(_FAKE_MNT_POINT, _FAKE_VOLUME_NAME)
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_FAKE_VOLUME = {'id': '4f711859-4928-4cb7-801a-a50c37ceaccc',
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'size': 1,
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'provider_location': _FAKE_SHARE,
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'name': _FAKE_VOLUME_NAME,
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'status': 'available'}
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_FAKE_SNAPSHOT_ID = '5g811859-4928-4cb7-801a-a50c37ceacba'
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_FAKE_SNAPSHOT_PATH = (
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_FAKE_VOLUME_PATH + '-snapshot' + _FAKE_SNAPSHOT_ID)
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_FAKE_SNAPSHOT = {'id': _FAKE_SNAPSHOT_ID,
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'volume': _FAKE_VOLUME,
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'status': 'available',
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'volume_size': 1}
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_FAKE_VZ_CONFIG = mock.MagicMock()
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_FAKE_VZ_CONFIG.vzstorage_shares_config = '/fake/config/path'
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_FAKE_VZ_CONFIG.vzstorage_sparsed_volumes = False
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_FAKE_VZ_CONFIG.vzstorage_used_ratio = 0.7
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_FAKE_VZ_CONFIG.vzstorage_mount_point_base = _FAKE_MNT_BASE
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_FAKE_VZ_CONFIG.nas_secure_file_operations = 'auto'
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_FAKE_VZ_CONFIG.nas_secure_file_permissions = 'auto'
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def setUp(self):
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super(VZStorageTestCase, self).setUp()
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self._remotefsclient = mock.patch.object(remotefs,
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'RemoteFsClient').start()
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get_mount_point = mock.Mock(return_value=self._FAKE_MNT_POINT)
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self._remotefsclient.get_mount_point = get_mount_point
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cfg = copy.copy(self._FAKE_VZ_CONFIG)
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self._vz_driver = vzstorage.VZStorageDriver(configuration=cfg)
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self._vz_driver._local_volume_dir = mock.Mock(
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return_value=self._FAKE_MNT_POINT)
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self._vz_driver._execute = mock.Mock()
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self._vz_driver.base = self._FAKE_MNT_BASE
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@mock.patch('os.path.exists')
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def test_setup_ok(self, mock_exists):
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mock_exists.return_value = True
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self._vz_driver.do_setup(mock.sentinel.context)
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@mock.patch('os.path.exists')
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def test_setup_missing_shares_conf(self, mock_exists):
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mock_exists.return_value = False
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self.assertRaises(exception.VzStorageException,
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self._vz_driver.do_setup,
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mock.sentinel.context)
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@mock.patch('os.path.exists')
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def test_setup_invalid_usage_ratio(self, mock_exists):
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mock_exists.return_value = True
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self._vz_driver.configuration.vzstorage_used_ratio = 1.2
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self.assertRaises(exception.VzStorageException,
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self._vz_driver.do_setup,
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mock.sentinel.context)
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@mock.patch('os.path.exists')
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def test_setup_invalid_usage_ratio2(self, mock_exists):
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mock_exists.return_value = True
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self._vz_driver.configuration.vzstorage_used_ratio = 0
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self.assertRaises(exception.VzStorageException,
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self._vz_driver.do_setup,
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mock.sentinel.context)
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@mock.patch('os.path.exists')
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def test_setup_invalid_mount_point_base(self, mock_exists):
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mock_exists.return_value = True
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conf = copy.copy(self._FAKE_VZ_CONFIG)
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conf.vzstorage_mount_point_base = './tmp'
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vz_driver = vzstorage.VZStorageDriver(configuration=conf)
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self.assertRaises(exception.VzStorageException,
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vz_driver.do_setup,
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mock.sentinel.context)
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@mock.patch('os.path.exists')
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def test_setup_no_vzstorage(self, mock_exists):
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mock_exists.return_value = True
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exc = OSError()
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exc.errno = errno.ENOENT
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self._vz_driver._execute.side_effect = exc
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self.assertRaises(exception.VzStorageException,
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self._vz_driver.do_setup,
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mock.sentinel.context)
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def test_initialize_connection(self):
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drv = self._vz_driver
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file_format = 'raw'
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info = mock.Mock()
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info.file_format = file_format
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with mock.patch.object(drv, '_qemu_img_info', return_value=info):
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ret = drv.initialize_connection(self._FAKE_VOLUME, None)
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name = drv.get_active_image_from_info(self._FAKE_VOLUME)
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expected = {'driver_volume_type': 'vzstorage',
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'data': {'export': self._FAKE_SHARE,
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'format': file_format,
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'name': name},
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'mount_point_base': self._FAKE_MNT_BASE}
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self.assertEqual(expected, ret)
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def test_ensure_share_mounted_invalid_share(self):
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self.assertRaises(exception.VzStorageException,
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self._vz_driver._ensure_share_mounted, ':')
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def test_ensure_share_mounted(self):
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drv = self._vz_driver
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share = self._FAKE_SHARE
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drv.shares = {'1': '["1", "2", "3"]', share: '["some", "options"]'}
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drv._ensure_share_mounted(share)
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def test_find_share(self):
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drv = self._vz_driver
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drv._mounted_shares = [self._FAKE_SHARE]
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with mock.patch.object(drv, '_is_share_eligible', return_value=True):
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ret = drv._find_share(1)
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self.assertEqual(self._FAKE_SHARE, ret)
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def test_find_share_no_shares_mounted(self):
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drv = self._vz_driver
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with mock.patch.object(drv, '_is_share_eligible', return_value=True):
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self.assertRaises(exception.VzStorageNoSharesMounted,
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drv._find_share, 1)
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def test_find_share_no_shares_suitable(self):
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drv = self._vz_driver
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drv._mounted_shares = [self._FAKE_SHARE]
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with mock.patch.object(drv, '_is_share_eligible', return_value=False):
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self.assertRaises(exception.VzStorageNoSuitableShareFound,
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drv._find_share, 1)
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def test_is_share_eligible_false(self):
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drv = self._vz_driver
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cap_info = (100 * units.Gi, 40 * units.Gi, 60 * units.Gi)
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with mock.patch.object(drv, '_get_capacity_info',
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return_value = cap_info):
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ret = drv._is_share_eligible(self._FAKE_SHARE, 50)
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self.assertEqual(False, ret)
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def test_is_share_eligible_true(self):
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drv = self._vz_driver
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cap_info = (100 * units.Gi, 40 * units.Gi, 60 * units.Gi)
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with mock.patch.object(drv, '_get_capacity_info',
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return_value = cap_info):
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ret = drv._is_share_eligible(self._FAKE_SHARE, 30)
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self.assertEqual(True, ret)
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@mock.patch.object(image_utils, 'resize_image')
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def test_extend_volume(self, mock_resize_image):
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drv = self._vz_driver
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drv._check_extend_volume_support = mock.Mock(return_value=True)
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drv._is_file_size_equal = mock.Mock(return_value=True)
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with mock.patch.object(drv, 'local_path',
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return_value=self._FAKE_VOLUME_PATH):
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drv.extend_volume(self._FAKE_VOLUME, 10)
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mock_resize_image.assert_called_once_with(self._FAKE_VOLUME_PATH, 10)
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def _test_check_extend_support(self, has_snapshots=False,
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is_eligible=True):
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drv = self._vz_driver
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drv.local_path = mock.Mock(return_value=self._FAKE_VOLUME_PATH)
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drv._is_share_eligible = mock.Mock(return_value=is_eligible)
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if has_snapshots:
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active = self._FAKE_SNAPSHOT_PATH
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else:
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active = self._FAKE_VOLUME_PATH
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drv.get_active_image_from_info = mock.Mock(return_value=active)
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if has_snapshots:
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self.assertRaises(exception.InvalidVolume,
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drv._check_extend_volume_support,
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self._FAKE_VOLUME, 2)
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elif not is_eligible:
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self.assertRaises(exception.ExtendVolumeError,
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drv._check_extend_volume_support,
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self._FAKE_VOLUME, 2)
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else:
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drv._check_extend_volume_support(self._FAKE_VOLUME, 2)
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drv._is_share_eligible.assert_called_once_with(self._FAKE_SHARE, 1)
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def test_check_extend_support(self):
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self._test_check_extend_support()
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def test_check_extend_volume_with_snapshots(self):
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self._test_check_extend_support(has_snapshots=True)
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def test_check_extend_volume_uneligible_share(self):
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self._test_check_extend_support(is_eligible=False)
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@mock.patch.object(image_utils, 'convert_image')
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def test_copy_volume_from_snapshot(self, mock_convert_image):
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drv = self._vz_driver
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fake_volume_info = {self._FAKE_SNAPSHOT_ID: 'fake_snapshot_file_name'}
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fake_img_info = mock.MagicMock()
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fake_img_info.backing_file = self._FAKE_VOLUME_NAME
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drv.get_volume_format = mock.Mock(return_value='raw')
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drv._local_path_volume_info = mock.Mock(
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return_value=self._FAKE_VOLUME_PATH + '.info')
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drv._local_volume_dir = mock.Mock(
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return_value=self._FAKE_MNT_POINT)
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drv._read_info_file = mock.Mock(
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return_value=fake_volume_info)
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drv._qemu_img_info = mock.Mock(
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return_value=fake_img_info)
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drv.local_path = mock.Mock(
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return_value=self._FAKE_VOLUME_PATH[:-1])
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drv._extend_volume = mock.Mock()
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drv._copy_volume_from_snapshot(
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self._FAKE_SNAPSHOT, self._FAKE_VOLUME,
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self._FAKE_VOLUME['size'])
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drv._extend_volume.assert_called_once_with(
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self._FAKE_VOLUME, self._FAKE_VOLUME['size'])
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mock_convert_image.assert_called_once_with(
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self._FAKE_VOLUME_PATH, self._FAKE_VOLUME_PATH[:-1], 'raw')
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def test_delete_volume(self):
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drv = self._vz_driver
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fake_vol_info = self._FAKE_VOLUME_PATH + '.info'
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drv._ensure_share_mounted = mock.MagicMock()
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fake_ensure_mounted = drv._ensure_share_mounted
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drv._local_volume_dir = mock.Mock(
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return_value=self._FAKE_MNT_POINT)
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drv.get_active_image_from_info = mock.Mock(
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return_value=self._FAKE_VOLUME_NAME)
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drv._delete = mock.Mock()
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drv._local_path_volume_info = mock.Mock(
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return_value=fake_vol_info)
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with mock.patch('os.path.exists', lambda x: True):
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drv.delete_volume(self._FAKE_VOLUME)
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fake_ensure_mounted.assert_called_once_with(self._FAKE_SHARE)
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drv._delete.assert_any_call(
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self._FAKE_VOLUME_PATH)
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drv._delete.assert_any_call(fake_vol_info)
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