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How to use _detach_volume method in tempest

Best Python code snippet using tempest_python

test_volumes.py

Source:test_volumes.py

1# Copyright 2013 Huawei Technologies Co.,LTD.2# All Rights Reserved.3#4#    Licensed under the Apache License, Version 2.0 (the "License"); you may5#    not use this file except in compliance with the License. You may obtain6#    a copy of the License at7#8#         http://www.apache.org/licenses/LICENSE-2.09#10#    Unless required by applicable law or agreed to in writing, software11#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT12#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the13#    License for the specific language governing permissions and limitations14#    under the License.15import mock16from rally.plugins.openstack.scenarios.cinder import volumes17from tests.unit import test18CINDER_VOLUMES = ("rally.plugins.openstack.scenarios.cinder.volumes"19                  ".CinderVolumes")20class fake_type(object):21    name = "fake"22class CinderServersTestCase(test.ScenarioTestCase):23    def _get_context(self):24        return {"user": {"tenant_id": "fake",25                         "endpoint": mock.MagicMock()},26                "tenant": {"id": "fake", "name": "fake",27                           "volumes": [{"id": "uuid"}],28                           "servers": [1]}}29    def test_create_and_list_volume(self):30        scenario = volumes.CinderVolumes()31        scenario._create_volume = mock.MagicMock()32        scenario._list_volumes = mock.MagicMock()33        scenario.create_and_list_volume(1, True, fakearg="f")34        scenario._create_volume.assert_called_once_with(1, fakearg="f")35        scenario._list_volumes.assert_called_once_with(True)36    def test_list_volumes(self):37        scenario = volumes.CinderVolumes()38        scenario._list_volumes = mock.MagicMock()39        scenario.list_volumes(True)40        scenario._list_volumes.assert_called_once_with(True)41    def test_create_and_delete_volume(self):42        fake_volume = mock.MagicMock()43        scenario = volumes.CinderVolumes()44        scenario._create_volume = mock.MagicMock(return_value=fake_volume)45        scenario.sleep_between = mock.MagicMock()46        scenario._delete_volume = mock.MagicMock()47        scenario.create_and_delete_volume(size=1, min_sleep=10, max_sleep=20,48                                          fakearg="f")49        scenario._create_volume.assert_called_once_with(1, fakearg="f")50        scenario.sleep_between.assert_called_once_with(10, 20)51        scenario._delete_volume.assert_called_once_with(fake_volume)52    def test_create_volume(self):53        fake_volume = mock.MagicMock()54        scenario = volumes.CinderVolumes()55        scenario._create_volume = mock.MagicMock(return_value=fake_volume)56        scenario.create_volume(1, fakearg="f")57        scenario._create_volume.assert_called_once_with(1, fakearg="f")58    def test_create_volume_and_modify_metadata(self):59        scenario = volumes.CinderVolumes(self._get_context())60        scenario._set_metadata = mock.Mock()61        scenario._delete_metadata = mock.Mock()62        scenario.modify_volume_metadata(sets=5, set_size=4,63                                        deletes=3, delete_size=2)64        scenario._set_metadata.assert_called_once_with("uuid", 5, 4)65        scenario._delete_metadata.assert_called_once_with(66            "uuid",67            scenario._set_metadata.return_value, 3, 2)68    def test_create_and_extend_volume(self):69        fake_volume = mock.MagicMock()70        scenario = volumes.CinderVolumes()71        scenario._create_volume = mock.MagicMock(return_value=fake_volume)72        scenario._extend_volume = mock.MagicMock(return_value=fake_volume)73        scenario.sleep_between = mock.MagicMock()74        scenario._delete_volume = mock.MagicMock()75        scenario.create_and_extend_volume(1, 2, 10, 20, fakearg="f")76        scenario._create_volume.assert_called_once_with(1, fakearg="f")77        self.assertTrue(scenario._extend_volume.called)78        scenario.sleep_between.assert_called_once_with(10, 20)79        scenario._delete_volume.assert_called_once_with(fake_volume)80    def test_create_from_image_and_delete_volume(self):81        fake_volume = mock.MagicMock()82        scenario = volumes.CinderVolumes()83        scenario._create_volume = mock.MagicMock(return_value=fake_volume)84        scenario._delete_volume = mock.MagicMock()85        scenario.create_and_delete_volume(1, image="fake_image")86        scenario._create_volume.assert_called_once_with(1,87                                                        imageRef="fake_image")88        scenario._delete_volume.assert_called_once_with(fake_volume)89    def test_create_volume_from_image(self):90        fake_volume = mock.MagicMock()91        scenario = volumes.CinderVolumes()92        scenario._create_volume = mock.MagicMock(return_value=fake_volume)93        scenario.create_volume(1, image="fake_image")94        scenario._create_volume.assert_called_once_with(1,95                                                        imageRef="fake_image")96    def test_create_volume_from_image_and_list(self):97        fake_volume = mock.MagicMock()98        scenario = volumes.CinderVolumes()99        scenario._create_volume = mock.MagicMock(return_value=fake_volume)100        scenario._list_volumes = mock.MagicMock()101        scenario.create_and_list_volume(1, True, "fake_image")102        scenario._create_volume.assert_called_once_with(1,103                                                        imageRef="fake_image")104        scenario._list_volumes.assert_called_once_with(True)105    def test_create_from_volume_and_delete_volume(self):106        fake_volume = mock.MagicMock()107        vol_size = 1108        scenario = volumes.CinderVolumes(self._get_context())109        scenario._create_volume = mock.MagicMock(return_value=fake_volume)110        scenario._delete_volume = mock.MagicMock()111        scenario.create_from_volume_and_delete_volume(vol_size)112        scenario._create_volume.assert_called_once_with(1, source_volid="uuid")113        scenario._delete_volume.assert_called_once_with(fake_volume)114    def test_create_and_delete_snapshot(self):115        fake_snapshot = mock.MagicMock()116        scenario = volumes.CinderVolumes(self._get_context())117        scenario._create_snapshot = mock.MagicMock(return_value=fake_snapshot)118        scenario.sleep_between = mock.MagicMock()119        scenario._delete_snapshot = mock.MagicMock()120        scenario.create_and_delete_snapshot(False, 10, 20, fakearg="f")121        scenario._create_snapshot.assert_called_once_with("uuid", force=False,122                                                          fakearg="f")123        scenario.sleep_between.assert_called_once_with(10, 20)124        scenario._delete_snapshot.assert_called_once_with(fake_snapshot)125    def test_create_and_list_snapshots(self):126        fake_snapshot = mock.MagicMock()127        scenario = volumes.CinderVolumes(self._get_context())128        scenario._create_snapshot = mock.MagicMock(return_value=fake_snapshot)129        scenario._list_snapshots = mock.MagicMock()130        scenario.create_and_list_snapshots(False, True, fakearg="f")131        scenario._create_snapshot.assert_called_once_with("uuid", force=False,132                                                          fakearg="f")133        scenario._list_snapshots.assert_called_once_with(True)134    def test_create_and_attach_volume(self):135        fake_volume = mock.MagicMock()136        fake_server = mock.MagicMock()137        scenario = volumes.CinderVolumes()138        scenario._attach_volume = mock.MagicMock()139        scenario._detach_volume = mock.MagicMock()140        scenario._boot_server = mock.MagicMock(return_value=fake_server)141        scenario._delete_server = mock.MagicMock()142        scenario._create_volume = mock.MagicMock(return_value=fake_volume)143        scenario._delete_volume = mock.MagicMock()144        scenario.create_and_attach_volume(10, "img", "0")145        scenario._attach_volume.assert_called_once_with(fake_server,146                                                        fake_volume)147        scenario._detach_volume.assert_called_once_with(fake_server,148                                                        fake_volume)149        scenario._delete_volume.assert_called_once_with(fake_volume)150        scenario._delete_server.assert_called_once_with(fake_server)151    def test_create_and_upload_volume_to_image(self):152        fake_volume = mock.Mock()153        fake_image = mock.Mock()154        scenario = volumes.CinderVolumes()155        scenario._create_volume = mock.MagicMock(return_value=fake_volume)156        scenario._upload_volume_to_image = mock.MagicMock(157            return_value=fake_image)158        scenario._delete_volume = mock.MagicMock()159        scenario._delete_image = mock.MagicMock()160        scenario.create_and_upload_volume_to_image(2,161                                                   container_format="fake",162                                                   disk_format="disk",163                                                   do_delete=False)164        scenario._create_volume.assert_called_once_with(2)165        scenario._upload_volume_to_image.assert_called_once_with(fake_volume,166                                                                 False,167                                                                 "fake",168                                                                 "disk")169        scenario._create_volume.reset_mock()170        scenario._upload_volume_to_image.reset_mock()171        scenario.create_and_upload_volume_to_image(1, do_delete=True)172        scenario._create_volume.assert_called_once_with(1)173        scenario._upload_volume_to_image.assert_called_once_with(fake_volume,174                                                                 False,175                                                                 "bare",176                                                                 "raw")177        scenario._delete_volume.assert_called_once_with(fake_volume)178        scenario._delete_image.assert_called_once_with(fake_image)179    def test_create_snapshot_and_attach_volume(self):180        fake_volume = mock.MagicMock()181        fake_snapshot = mock.MagicMock()182        fake_server = mock.MagicMock()183        scenario = volumes.CinderVolumes(self._get_context())184        scenario._attach_volume = mock.MagicMock()185        scenario._detach_volume = mock.MagicMock()186        scenario._boot_server = mock.MagicMock(return_value=fake_server)187        scenario._delete_server = mock.MagicMock()188        scenario._create_volume = mock.MagicMock(return_value=fake_volume)189        scenario._delete_volume = mock.MagicMock()190        scenario._create_snapshot = mock.MagicMock(return_value=fake_snapshot)191        scenario._delete_snapshot = mock.MagicMock()192        self.clients("nova").servers.get = mock.MagicMock(193            return_value=fake_server)194        scenario.create_snapshot_and_attach_volume()195        self.assertTrue(scenario._create_volume.called)196        scenario._create_snapshot.assert_called_once_with(fake_volume.id,197                                                          False)198        scenario._delete_snapshot.assert_called_once_with(fake_snapshot)199        scenario._attach_volume.assert_called_once_with(fake_server,200                                                        fake_volume)201        scenario._detach_volume.assert_called_once_with(fake_server,202                                                        fake_volume)203        scenario._delete_volume.assert_called_once_with(fake_volume)204    def test_create_snapshot_and_attach_volume_use_volume_type(self):205        fake_volume = mock.MagicMock()206        fake_snapshot = mock.MagicMock()207        fake_server = mock.MagicMock()208        scenario = volumes.CinderVolumes(self._get_context())209        scenario._attach_volume = mock.MagicMock()210        scenario._detach_volume = mock.MagicMock()211        scenario._boot_server = mock.MagicMock(return_value=fake_server)212        scenario._delete_server = mock.MagicMock()213        scenario._create_volume = mock.MagicMock(return_value=fake_volume)214        scenario._delete_volume = mock.MagicMock()215        scenario._create_snapshot = mock.MagicMock(return_value=fake_snapshot)216        scenario._delete_snapshot = mock.MagicMock()217        fake = fake_type()218        self.clients("cinder").volume_types.list = mock.MagicMock(219            return_value=[fake])220        self.clients("nova").servers.get = mock.MagicMock(221            return_value=fake_server)222        scenario.create_snapshot_and_attach_volume(volume_type=True)223        # Make sure create volume's second arg was the correct volume type.224        # fake or none (randomly selected)225        self.assertTrue(scenario._create_volume.called)226        vol_type = scenario._create_volume.call_args_list[0][1]["volume_type"]227        self.assertTrue(vol_type is fake.name or vol_type is None)228        scenario._create_snapshot.assert_called_once_with(fake_volume.id,229                                                          False)230        scenario._delete_snapshot.assert_called_once_with(fake_snapshot)231        scenario._attach_volume.assert_called_once_with(fake_server,232                                                        fake_volume)233        scenario._detach_volume.assert_called_once_with(fake_server,234                                                        fake_volume)235        scenario._delete_volume.assert_called_once_with(fake_volume)236    def test_create_nested_snapshots_and_attach_volume(self):237        fake_volume = mock.MagicMock()238        fake_snapshot = mock.MagicMock()239        scenario = volumes.CinderVolumes(context=self._get_context())240        scenario._attach_volume = mock.MagicMock()241        scenario._detach_volume = mock.MagicMock()242        scenario._delete_server = mock.MagicMock()243        scenario._create_volume = mock.MagicMock(return_value=fake_volume)244        scenario._delete_volume = mock.MagicMock()245        scenario._create_snapshot = mock.MagicMock(return_value=fake_snapshot)246        scenario._delete_snapshot = mock.MagicMock()247        scenario.create_nested_snapshots_and_attach_volume()248        volume_count = scenario._create_volume.call_count249        snapshots_count = scenario._create_snapshot.call_count250        attached_count = scenario._attach_volume.call_count251        self.assertEqual(scenario._delete_volume.call_count, volume_count)252        self.assertEqual(scenario._delete_snapshot.call_count, snapshots_count)253        self.assertEqual(scenario._detach_volume.call_count, attached_count)254    def test_create_nested_snapshots_calls_order(self):255        fake_volume1 = mock.MagicMock()256        fake_volume2 = mock.MagicMock()257        fake_snapshot1 = mock.MagicMock()258        fake_snapshot2 = mock.MagicMock()259        scenario = volumes.CinderVolumes(self._get_context())260        scenario._attach_volume = mock.MagicMock()261        scenario._detach_volume = mock.MagicMock()262        scenario._delete_server = mock.MagicMock()263        scenario._create_volume = mock.MagicMock(264            side_effect=[fake_volume1, fake_volume2])265        scenario._delete_volume = mock.MagicMock()266        scenario._create_snapshot = mock.MagicMock(267            side_effect=[fake_snapshot1, fake_snapshot2])268        scenario._delete_snapshot = mock.MagicMock()269        scenario.create_nested_snapshots_and_attach_volume(270            nested_level={"min": 2, "max": 2})271        vol_delete_calls = [mock.call(fake_volume2), mock.call(fake_volume1)]272        snap_delete_calls = [mock.call(fake_snapshot2),273                             mock.call(fake_snapshot1)]274        scenario._delete_volume.assert_has_calls(vol_delete_calls)275        scenario._delete_snapshot.assert_has_calls(snap_delete_calls)276    @mock.patch("rally.plugins.openstack.scenarios.cinder.volumes.random")277    def test_create_nested_snapshots_check_resources_size(self, mock_random):278        mock_random.randint.return_value = 3279        fake_volume = mock.MagicMock()280        fake_snapshot = mock.MagicMock()281        fake_server = mock.MagicMock()282        scenario = volumes.CinderVolumes(self._get_context())283        scenario.get_random_server = mock.MagicMock(return_value=fake_server)284        scenario._attach_volume = mock.MagicMock()285        scenario._detach_volume = mock.MagicMock()286        scenario._delete_server = mock.MagicMock()287        scenario._create_volume = mock.MagicMock(return_value=fake_volume)288        scenario._delete_volume = mock.MagicMock()289        scenario._create_snapshot = mock.MagicMock(return_value=fake_snapshot)290        scenario._delete_snapshot = mock.MagicMock()291        scenario.create_nested_snapshots_and_attach_volume()292        # NOTE: Two calls for random size and nested level293        random_call_count = mock_random.randint.call_count294        self.assertEqual(2, random_call_count)295        calls = scenario._create_volume.mock_calls296        expected_calls = [mock.call(3),297                          mock.call(3, snapshot_id=fake_snapshot.id),298                          mock.call(3, snapshot_id=fake_snapshot.id)]299        self.assertEqual(expected_calls, calls)300    def test_create_volume_backup(self):301        fake_volume = mock.MagicMock()302        fake_backup = mock.MagicMock()303        scenario = self._get_scenario(fake_volume, fake_backup)304        volume_kwargs = {"some_var": "zaq"}305        scenario.create_volume_backup(306            1, do_delete=True, create_volume_kwargs=volume_kwargs)307        scenario._create_volume.assert_called_once_with(1, **volume_kwargs)308        scenario._create_backup.assert_called_once_with(fake_volume.id)309        scenario._delete_volume.assert_called_once_with(fake_volume)310        scenario._delete_backup.assert_called_once_with(fake_backup)311    def test_create_volume_backup_no_delete(self):312        fake_volume = mock.MagicMock()313        fake_backup = mock.MagicMock()314        scenario = self._get_scenario(fake_volume, fake_backup)315        volume_kwargs = {"some_var": "zaq"}316        scenario.create_volume_backup(317            1, do_delete=False, create_volume_kwargs=volume_kwargs)318        scenario._create_volume.assert_called_once_with(1, **volume_kwargs)319        scenario._create_backup.assert_called_once_with(fake_volume.id)320        self.assertFalse(scenario._delete_volume.called)321        self.assertFalse(scenario._delete_backup.called)322    def _get_scenario(self, fake_volume, fake_backup, fake_restore=None):323        scenario = volumes.CinderVolumes()324        scenario._create_volume = mock.MagicMock(return_value=fake_volume)325        scenario._create_backup = mock.MagicMock(return_value=fake_backup)326        scenario._restore_backup = mock.MagicMock(return_value=fake_restore)327        scenario._list_backups = mock.MagicMock()328        scenario._delete_volume = mock.MagicMock()329        scenario._delete_backup = mock.MagicMock()330        return scenario331    def test_create_and_restore_volume_backup(self):332        fake_volume = mock.MagicMock()333        fake_backup = mock.MagicMock()334        fake_restore = mock.MagicMock()335        scenario = self._get_scenario(fake_volume, fake_backup, fake_restore)336        volume_kwargs = {"some_var": "zaq"}337        scenario.create_and_restore_volume_backup(338            1, do_delete=True, create_volume_kwargs=volume_kwargs)339        scenario._create_volume.assert_called_once_with(1, **volume_kwargs)340        scenario._create_backup.assert_called_once_with(fake_volume.id)341        scenario._restore_backup.assert_called_once_with(fake_backup.id)342        scenario._delete_volume.assert_called_once_with(fake_volume)343        scenario._delete_backup.assert_called_once_with(fake_backup)344    def test_create_and_restore_volume_backup_no_delete(self):345        fake_volume = mock.MagicMock()346        fake_backup = mock.MagicMock()347        fake_restore = mock.MagicMock()348        scenario = self._get_scenario(fake_volume, fake_backup, fake_restore)349        volume_kwargs = {"some_var": "zaq"}350        scenario.create_and_restore_volume_backup(351            1, do_delete=False, create_volume_kwargs=volume_kwargs)352        scenario._create_volume.assert_called_once_with(1, **volume_kwargs)353        scenario._create_backup.assert_called_once_with(fake_volume.id)354        scenario._restore_backup.assert_called_once_with(fake_backup.id)355        self.assertFalse(scenario._delete_volume.called)356        self.assertFalse(scenario._delete_backup.called)357    def test_create_and_list_volume_backups(self):358        fake_volume = mock.MagicMock()359        fake_backup = mock.MagicMock()360        scenario = self._get_scenario(fake_volume, fake_backup)361        volume_kwargs = {"some_var": "zaq"}362        scenario.create_and_list_volume_backups(363            1, detailed=True, do_delete=True,364            create_volume_kwargs=volume_kwargs)365        scenario._create_volume.assert_called_once_with(1, **volume_kwargs)366        scenario._create_backup.assert_called_once_with(fake_volume.id)367        scenario._list_backups.assert_called_once_with(True)368        scenario._delete_volume.assert_called_once_with(fake_volume)369        scenario._delete_backup.assert_called_once_with(fake_backup)370    def test_create_and_list_volume_backups_no_delete(self):371        fake_volume = mock.MagicMock()372        fake_backup = mock.MagicMock()373        scenario = self._get_scenario(fake_volume, fake_backup)374        volume_kwargs = {"some_var": "zaq"}375        scenario.create_and_list_volume_backups(376            1, detailed=True, do_delete=False,377            create_volume_kwargs=volume_kwargs)378        scenario._create_volume.assert_called_once_with(1, **volume_kwargs)379        scenario._create_backup.assert_called_once_with(fake_volume.id)380        scenario._list_backups.assert_called_once_with(True)381        self.assertFalse(scenario._delete_volume.called)...

test_volume.py

Source:test_volume.py

...83                          volume_id)84        db.volume_destroy(context.get_admin_context(), volume_id)85        for volume_id in vols:86            self.volume.delete_volume(self.context, volume_id)87    def test_run_attach_detach_volume(self):88        """Make sure volume can be attached and detached from instance."""89        inst = {}90        inst['image_id'] = 191        inst['reservation_id'] = 'r-fakeres'92        inst['launch_time'] = '10'93        inst['user_id'] = 'fake'94        inst['project_id'] = 'fake'95        inst['instance_type_id'] = '2'  # m1.tiny96        inst['mac_address'] = utils.generate_mac()97        inst['ami_launch_index'] = 098        instance_id = db.instance_create(self.context, inst)['id']99        mountpoint = "/dev/sdf"100        volume_id = self._create_volume()101        self.volume.create_volume(self.context, volume_id)102        if FLAGS.fake_tests:103            db.volume_attached(self.context, volume_id, instance_id,104                               mountpoint)105        else:106            self.compute.attach_volume(self.context,107                                       instance_id,108                                       volume_id,109                                       mountpoint)110        vol = db.volume_get(context.get_admin_context(), volume_id)111        self.assertEqual(vol['status'], "in-use")112        self.assertEqual(vol['attach_status'], "attached")113        self.assertEqual(vol['mountpoint'], mountpoint)114        instance_ref = db.volume_get_instance(self.context, volume_id)115        self.assertEqual(instance_ref['id'], instance_id)116        self.assertRaises(exception.Error,117                          self.volume.delete_volume,118                          self.context,119                          volume_id)120        if FLAGS.fake_tests:121            db.volume_detached(self.context, volume_id)122        else:123            self.compute.detach_volume(self.context,124                                       instance_id,125                                       volume_id)126        vol = db.volume_get(self.context, volume_id)127        self.assertEqual(vol['status'], "available")128        self.volume.delete_volume(self.context, volume_id)129        self.assertRaises(exception.VolumeNotFound,130                          db.volume_get,131                          self.context,132                          volume_id)133        db.instance_destroy(self.context, instance_id)134    def test_concurrent_volumes_get_different_targets(self):135        """Ensure multiple concurrent volumes get different targets."""136        volume_ids = []137        targets = []138        def _check(volume_id):139            """Make sure targets aren't duplicated."""140            volume_ids.append(volume_id)141            admin_context = context.get_admin_context()142            iscsi_target = db.volume_get_iscsi_target_num(admin_context,143                                                          volume_id)144            self.assert_(iscsi_target not in targets)145            targets.append(iscsi_target)146            LOG.debug(_("Target %s allocated"), iscsi_target)147        total_slots = FLAGS.iscsi_num_targets148        for _index in xrange(total_slots):149            volume_id = self._create_volume()150            d = self.volume.create_volume(self.context, volume_id)151            _check(d)152        for volume_id in volume_ids:153            self.volume.delete_volume(self.context, volume_id)154    def test_multi_node(self):155        # TODO(termie): Figure out how to test with two nodes,156        # each of them having a different FLAG for storage_node157        # This will allow us to test cross-node interactions158        pass159class DriverTestCase(test.TestCase):160    """Base Test class for Drivers."""161    driver_name = "nova.volume.driver.FakeAOEDriver"162    def setUp(self):163        super(DriverTestCase, self).setUp()164        self.flags(volume_driver=self.driver_name,165                   logging_default_format_string="%(message)s")166        self.volume = utils.import_object(FLAGS.volume_manager)167        self.context = context.get_admin_context()168        self.output = ""169        def _fake_execute(_command, *_args, **_kwargs):170            """Fake _execute."""171            return self.output, None172        self.volume.driver._execute = _fake_execute173        self.volume.driver._sync_execute = _fake_execute174        log = logging.getLogger()175        self.stream = cStringIO.StringIO()176        log.addHandler(logging.StreamHandler(self.stream))177        inst = {}178        self.instance_id = db.instance_create(self.context, inst)['id']179    def tearDown(self):180        super(DriverTestCase, self).tearDown()181    def _attach_volume(self):182        """Attach volumes to an instance. This function also sets183           a fake log message."""184        return []185    def _detach_volume(self, volume_id_list):186        """Detach volumes from an instance."""187        for volume_id in volume_id_list:188            db.volume_detached(self.context, volume_id)189            self.volume.delete_volume(self.context, volume_id)190class AOETestCase(DriverTestCase):191    """Test Case for AOEDriver"""192    driver_name = "nova.volume.driver.AOEDriver"193    def setUp(self):194        super(AOETestCase, self).setUp()195    def tearDown(self):196        super(AOETestCase, self).tearDown()197    def _attach_volume(self):198        """Attach volumes to an instance. This function also sets199           a fake log message."""200        volume_id_list = []201        for index in xrange(3):202            vol = {}203            vol['size'] = 0204            volume_id = db.volume_create(self.context,205                                         vol)['id']206            self.volume.create_volume(self.context, volume_id)207            # each volume has a different mountpoint208            mountpoint = "/dev/sd" + chr((ord('b') + index))209            db.volume_attached(self.context, volume_id, self.instance_id,210                               mountpoint)211            (shelf_id, blade_id) = db.volume_get_shelf_and_blade(self.context,212                                                                 volume_id)213            self.output += "%s %s eth0 /dev/nova-volumes/vol-foo auto run\n" \214                      % (shelf_id, blade_id)215            volume_id_list.append(volume_id)216        return volume_id_list217    def test_check_for_export_with_no_volume(self):218        """No log message when no volume is attached to an instance."""219        self.stream.truncate(0)220        self.volume.check_for_export(self.context, self.instance_id)221        self.assertEqual(self.stream.getvalue(), '')222    def test_check_for_export_with_all_vblade_processes(self):223        """No log message when all the vblade processes are running."""224        volume_id_list = self._attach_volume()225        self.stream.truncate(0)226        self.volume.check_for_export(self.context, self.instance_id)227        self.assertEqual(self.stream.getvalue(), '')228        self._detach_volume(volume_id_list)229    def test_check_for_export_with_vblade_process_missing(self):230        """Output a warning message when some vblade processes aren't231           running."""232        volume_id_list = self._attach_volume()233        # the first vblade process isn't running234        self.output = self.output.replace("run", "down", 1)235        (shelf_id, blade_id) = db.volume_get_shelf_and_blade(self.context,236                                                             volume_id_list[0])237        msg_is_match = False238        self.stream.truncate(0)239        try:240            self.volume.check_for_export(self.context, self.instance_id)241        except exception.ProcessExecutionError, e:242            volume_id = volume_id_list[0]243            msg = _("Cannot confirm exported volume id:%(volume_id)s. "244                    "vblade process for e%(shelf_id)s.%(blade_id)s "245                    "isn't running.") % locals()246            msg_is_match = (0 <= e.message.find(msg))247        self.assertTrue(msg_is_match)248        self._detach_volume(volume_id_list)249class ISCSITestCase(DriverTestCase):250    """Test Case for ISCSIDriver"""251    driver_name = "nova.volume.driver.ISCSIDriver"252    def setUp(self):253        super(ISCSITestCase, self).setUp()254    def tearDown(self):255        super(ISCSITestCase, self).tearDown()256    def _attach_volume(self):257        """Attach volumes to an instance. This function also sets258           a fake log message."""259        volume_id_list = []260        for index in xrange(3):261            vol = {}262            vol['size'] = 0263            vol_ref = db.volume_create(self.context, vol)264            self.volume.create_volume(self.context, vol_ref['id'])265            vol_ref = db.volume_get(self.context, vol_ref['id'])266            # each volume has a different mountpoint267            mountpoint = "/dev/sd" + chr((ord('b') + index))268            db.volume_attached(self.context, vol_ref['id'], self.instance_id,269                               mountpoint)270            volume_id_list.append(vol_ref['id'])271        return volume_id_list272    def test_check_for_export_with_no_volume(self):273        """No log message when no volume is attached to an instance."""274        self.stream.truncate(0)275        self.volume.check_for_export(self.context, self.instance_id)276        self.assertEqual(self.stream.getvalue(), '')277    def test_check_for_export_with_all_volume_exported(self):278        """No log message when all the vblade processes are running."""279        volume_id_list = self._attach_volume()280        self.mox.StubOutWithMock(self.volume.driver, '_execute')281        for i in volume_id_list:282            tid = db.volume_get_iscsi_target_num(self.context, i)283            self.volume.driver._execute("sudo", "ietadm", "--op", "show",284                                        "--tid=%(tid)d" % locals())285        self.stream.truncate(0)286        self.mox.ReplayAll()287        self.volume.check_for_export(self.context, self.instance_id)288        self.assertEqual(self.stream.getvalue(), '')289        self.mox.UnsetStubs()290        self._detach_volume(volume_id_list)291    def test_check_for_export_with_some_volume_missing(self):292        """Output a warning message when some volumes are not recognied293           by ietd."""294        volume_id_list = self._attach_volume()295        # the first vblade process isn't running296        tid = db.volume_get_iscsi_target_num(self.context, volume_id_list[0])297        self.mox.StubOutWithMock(self.volume.driver, '_execute')298        self.volume.driver._execute("sudo", "ietadm", "--op", "show",299                                    "--tid=%(tid)d" % locals()).AndRaise(300                                            exception.ProcessExecutionError())301        self.mox.ReplayAll()302        self.assertRaises(exception.ProcessExecutionError,303                          self.volume.check_for_export,304                          self.context,305                          self.instance_id)306        msg = _("Cannot confirm exported volume id:%s.") % volume_id_list[0]307        self.assertTrue(0 <= self.stream.getvalue().find(msg))308        self.mox.UnsetStubs()...

test_ebs.py

Source:test_ebs.py

1'''2Created on Sep 4, 20123 4@author: marat5'''6 7import mock8from nose.tools import raises9 10from scalarizr.storage2 import StorageError11from scalarizr.storage2.volumes import base12from scalarizr.storage2.volumes import ebs13from scalarizr.linux import coreutils14 15 16def test_name2device():17    pass18 19 20@mock.patch('os.path.exists', return_value=True)21def test_name2device_xen(*args):22    device = ebs.name2device('/dev/sda1')23    assert device == '/dev/xvda1'24 25 26@mock.patch('os.path.exists', return_value=True)27@mock.patch.object(ebs, 'storage2')28def test_name2device_rhel_bug(s, exists):29    s.RHEL_DEVICE_ORDERING_BUG = True30    device = ebs.name2device('/dev/sda1')31    assert device == '/dev/xvde1'32 33 34def test_name2device_device_passed():35    pass36 37def test_device2name():38    pass39 40def test_device2name_xen():41    pass42 43def test_device2name_rhel_bug():44    pass45 46def test_device2name_name_passed():47    pass48 49 50class TestFreeDeviceLetterMgr(object):51    def setup(self):52        self.mgr = ebs.FreeDeviceLetterMgr()53 54    @mock.patch('glob.glob')55    @mock.patch.object(ebs, '__node__', new={'ec2': {56                                    't1micro_detached_ebs': None}})57    def test_acquire(self, glob):58        glob_returns = [['/dev/sdf1'], []]59        def globfn(*args, **kwds):60            return glob_returns.pop(0)61        glob.side_effect = globfn62 63        letter = self.mgr.__enter__().get()64 65        glob.assert_called_with('/dev/sd%s*' % letter)66        assert glob.call_count == 267 68 69    def test_acquire_concurrent(self):70        pass71 72 73    @mock.patch('glob.glob', return_value=[])74    @mock.patch.object(ebs, '__node__', new={'ec2': {75                                    't1micro_detached_ebs': ['/dev/sdg', '/dev/sdf']}})76    def test_acquire_t1micro(self, glob):77        letter = self.mgr.__enter__().get()78        assert letter not in ('g', 'f')79 80 81Ebs = ebs.EbsVolume82@mock.patch.object(ebs, '__node__', new={'ec2': {83                                'instance_id': 'i-12345678',84                                'instance_type': 'm1.small',85                                'avail_zone': 'us-east-1a'}})86@mock.patch.object(ebs, 'name2device',87                                side_effect=lambda name: name.replace('/sd', '/xvd'))88@mock.patch.object(Ebs, '_free_device_letter_mgr',89                                **{'get.return_value' : 'b'})90@mock.patch.object(Ebs, '_connect_ec2')91class TestEbsVolume(object):92 93    @mock.patch.object(Ebs, '_attach_volume')94    @mock.patch.object(Ebs, '_create_volume')95    def test_ensure_new(self, _create_volume, *args):96        ebs = mock.Mock(97                id='vol-12345678',98                size=1,99                zone='us-east-1a',100                **{'volume_state.return_value': 'available',101                        'attach_data.device': '/dev/sdb'}102        )103        _create_volume.return_value = ebs104 105        self.vol = Ebs(type='ebs')106        self.vol.ensure()107 108        assert self.vol.id == ebs.id109        assert self.vol.size == ebs.size110        assert self.vol.avail_zone == 'us-east-1a'111        assert self.vol.name == '/dev/sdb'112        assert self.vol.device == '/dev/xvdb'113        assert self.vol.config()114 115 116    @mock.patch.object(Ebs, '_attach_volume')117    def test_ensure_existed(self, av, _connect_ec2, *args):118        conn = _connect_ec2.return_value119        ebs = mock.Mock(120                id='vol-12345678',121                size=1,122                zone='us-east-1a',123                **{'volume_state.return_value': 'available'}124        )125        conn.get_all_volumes.return_value = [ebs]126 127        vol = Ebs(type='ebs', id='vol-12345678')128        vol.ensure()129 130        assert vol.id == ebs.id131        assert vol.size == ebs.size132        assert vol.avail_zone == 'us-east-1a'133        assert vol.name == '/dev/sdb'134        assert vol.device == '/dev/xvdb'135        conn.get_all_volumes.assert_called_once_with(['vol-12345678'])136        assert vol.config()137 138 139    @mock.patch.object(Ebs, '_attach_volume')140    @mock.patch.object(Ebs, '_create_volume')141    @mock.patch.object(Ebs, '_create_snapshot')142    def test_ensure_existed_in_different_zone(self, _create_snapshot,143                            _create_volume, av, _connect_ec2, *args):144        conn = _connect_ec2.return_value145        ebs = mock.Mock(146                id='vol-12345678',147                size=1,148                zone='us-east-1b',149                **{'volume_state.return_value': 'available'}150        )151        ebs2 = mock.Mock(152                id='vol-87654321',153                size=1,154                zone='us-east-1a',155                **{'volume_state.return_value': 'available'}156        )157        conn.get_all_volumes.return_value = [ebs]158        _create_volume.return_value = ebs2159        _create_snapshot.return_value = mock.Mock(id='snap-12345678')160 161        vol = Ebs(type='ebs', id='vol-12345678')162        vol.ensure()163 164        assert vol.id == ebs2.id165 166 167    @mock.patch.object(Ebs, '_attach_volume')168    @mock.patch.object(Ebs, '_detach_volume')169    def test_ensure_existed_attached_to_other_instance(self, av, dv,170                                    _connect_ec2, *args):171        conn = _connect_ec2.return_value172        ebs = mock.Mock(173                id='vol-12345678',174                size=1,175                zone='us-east-1a',176                **{'volume_state.return_value': 'available',177                        'attachment_state.return_value': 'attached'}178        )179        conn.get_all_volumes.return_value = [ebs]180 181        vol = Ebs(type='ebs', id='vol-12345678')182        vol.ensure()183 184        assert vol.id == ebs.id185        vol._detach_volume.assert_called_once_with(ebs)186        vol._attach_volume.assert_called_once_with(ebs, '/dev/sdb')187 188 189    @mock.patch.object(Ebs, '_attach_volume')190    @mock.patch.object(Ebs, '_detach_volume')191    @mock.patch.object(Ebs, '_wait_attachment_state_change')192    def test_ensure_existed_attaching_to_other_instance(self,193                                    av, dv, wasc, _connect_ec2, *args):194        ebs = mock.Mock(195                id='vol-12345678',196                size=1,197                zone='us-east-1a',198                **{'volume_state.return_value': 'available',199                        'attachment_state.return_value': 'attaching'}200        )201        _connect_ec2.return_value.get_all_volumes.return_value = [ebs]202 203        vol = Ebs(type='ebs', id='vol-12345678')204        vol.ensure()205 206        assert vol.id == ebs.id207        assert vol._detach_volume.call_count == 0208        vol._attach_volume.assert_called_once_with(ebs, '/dev/sdb')209 210 211    @mock.patch.object(Ebs, '_create_volume')212    @mock.patch.object(Ebs, '_attach_volume')213    def test_ensure_restore(self, vc, av, *args):214        snap_config = {215                'id':'snap-12345678',216                'tags':{'ta':'gs'}217        }218        size = 1219        vol = Ebs(size=size, snap=snap_config)220        vol.ensure()221 222        vol._create_volume.assert_called_once_with(223                        zone=mock.ANY,224                        size=size,225                        snapshot=snap_config['id'],226                        tags=snap_config['tags'],227                        volume_type=mock.ANY,228                        iops=mock.ANY)229 230 231    @mock.patch.object(Ebs, '_create_snapshot')232    def test_snapshot(self, cs, _connect_ec2, *args):233        description='test'234        tags={'ta':'gs'}235        vol = Ebs(type='ebs', id='vol-12345678')236 237        vol.snapshot(description, tags=tags, nowait=True)238        vol._create_snapshot.assert_called_once_with(239                                vol.id, description, tags, True)240 241 242    @mock.patch.object(coreutils, 'sync')243    def test_snapshot_tags(self, sync, _connect_ec2, *args):244        snapshot = mock.Mock(id='snap-12345678')245        conn = _connect_ec2.return_value246        conn.configure_mock(**{'create_snapshot.return_value': snapshot,247                                                        'create_tags': mock.Mock()})248 249        tags = {'ta':'gs'}250        vol = Ebs(type='ebs', id='vol-12345678')251        snap = vol.snapshot('test', tags=tags)252 253        conn.create_tags.assert_called_once_with([snapshot.id], tags)254 255 256    @mock.patch.object(Ebs, '_wait_snapshot')257    def test_snapshot_wait(self, ws, _connect_ec2, *args):258        snapshot = mock.Mock(id='snap-12345678')259        _connect_ec2.return_value.configure_mock(**{260                        'create_snapshot.return_value': snapshot,261                        'create_tags': mock.Mock()})262 263        vol = Ebs(type='ebs', id='vol-12345678', tags={'ta': 'gs'})264        snap = vol.snapshot('test', tags=vol.tags, nowait=False)265 266        vol._wait_snapshot.assert_called_once_with(snapshot)267 268 269    @raises(AssertionError)270    def test_snapshot_no_connection(self, _connect_ec2, *args):271        _connect_ec2.return_value = None272        self.vol = Ebs(type='ebs', id='vol-12345678')273        snap = self.vol.snapshot('test')274 275 276    @mock.patch.object(Ebs, 'umount')277    @mock.patch.object(Ebs, '_detach_volume')278    def test_detach(self, *args):279        vol = Ebs(type='ebs', device='/dev/xvdp', id='vol-12345678')280        vol.detach()281        vol._detach_volume.assert_called_with(vol.id, False)282 283 284    @mock.patch.object(Ebs, '_detach_volume')285    @mock.patch.object(Ebs, '_instance_type', return_value='t1.micro')286    def test_detach_t1micro(self, *args):287        ebs.__node__['ec2']['t1micro_detached_ebs'] = None288        vol = Ebs(name='/dev/sdf', type='ebs', id='vol-12345678')289        vol._detach(True)290        assert ebs.__node__['ec2']['t1micro_detached_ebs'] == [vol.name,]291 292 293    @raises(AssertionError)294    def test_detach_no_connection(self, _connect_ec2, *args):295        _connect_ec2.return_value = None296        vol = Ebs(type='ebs', id='vol-12345678', device='/dev/xvdp')297        vol._detach(False)298 299 300    def test_destroy(self, _connect_ec2, *args):301        vol = Ebs(type='ebs', id='vol-12345678')302        vol.destroy(True)303        conn = _connect_ec2.return_value304        conn.delete_volume.assert_called_once_with(vol.id)305 306 307    @raises(AssertionError)308    def test_destroy_no_connection(self, _connect_ec2, *args):309        _connect_ec2.return_value = None310        vol = Ebs(type='ebs', id='vol-12345678')311        vol.destroy(True)312 313 314EbsSnapshot = ebs.EbsSnapshot315@mock.patch.object(EbsSnapshot, '_connect_ec2')316class TestEbsSnapshot(object):317 318    @mock.patch.object(EbsSnapshot, '_ebs_snapshot')319    def test_status(self, _ebs_snapshot, _connect_ec2, *args, **kwargs):320        snap = EbsSnapshot(id='vol-123456ab')321        snapshot = mock.Mock(id='vol-123456ab')322        snapshot.status = 'pending'323        _ebs_snapshot.return_value = snapshot324        assert snap.status() == base.Snapshot.IN_PROGRESS325        _ebs_snapshot.assert_called_once_with('vol-123456ab')326        snapshot.update.assert_called_with()327        snapshot.status = 'completed'328        assert snap.status() == base.Snapshot.COMPLETED329        snapshot.status = 'error'330        assert snap.status() == base.Snapshot.FAILED331 332 333    @raises(AssertionError)334    def test_status_no_connection(self, _connect_ec2, *args, **kwargs):335        _connect_ec2.return_value = None336        snap = EbsSnapshot(id='vol-123456ab')337        snap.status()338 339 340    def test_destroy(self, _connect_ec2, *args, **kwargs):341        snap = EbsSnapshot(id='vol-123456ab')342        snap.destroy()343        conn = _connect_ec2.return_value344        conn.delete_snapshot.assert_called_once_with(snap.id)...

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