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How to use _set_driver method in Selene

Best Python code snippet using selene_python

test_nfs.py

Source:test_nfs.py

...344        self.configuration.nas_share_path = None345        self.configuration.nas_mount_options = None346        self.configuration.volume_dd_blocksize = '1M'347        self.context = context.get_admin_context()348    def _set_driver(self, extra_confs=None):349        # Overide the default configs350        if extra_confs:351            for config_name, config_value in extra_confs.items():352                setattr(self.configuration, config_name, config_value)353        self._driver = nfs.NfsDriver(configuration=self.configuration)354        self._driver.shares = {}355        self.mock_object(self._driver, '_execute')356    @ddt.data(NFS_CONFIG1, NFS_CONFIG2, NFS_CONFIG3, NFS_CONFIG4)357    def test_local_path(self, nfs_config):358        """local_path common use case."""359        self.configuration.nfs_mount_point_base = self.TEST_MNT_POINT_BASE360        self._set_driver(extra_confs=nfs_config)361        drv = self._driver362        volume = fake_volume.fake_volume_obj(363            self.context,364            provider_location=self.TEST_NFS_EXPORT1)365        self.assertEqual(366            '/mnt/test/2f4f60214cf43c595666dd815f0360a4/%s' % volume.name,367            drv.local_path(volume))368    @ddt.data(NFS_CONFIG1, NFS_CONFIG2, NFS_CONFIG3, NFS_CONFIG4)369    def test_copy_image_to_volume(self, nfs_config):370        """resize_image common case usage."""371        mock_resize = self.mock_object(image_utils, 'resize_image')372        mock_fetch = self.mock_object(image_utils, 'fetch_to_raw')373        self._set_driver()374        drv = self._driver375        volume = fake_volume.fake_volume_obj(self.context,376                                             size=self.TEST_SIZE_IN_GB)377        test_img_source = 'volume-%s' % volume.id378        self.mock_object(drv, 'local_path', return_value=test_img_source)379        data = mock.Mock()380        data.virtual_size = 1 * units.Gi381        self.mock_object(image_utils, 'qemu_img_info', return_value=data)382        drv.copy_image_to_volume(None, volume, None, None)383        mock_fetch.assert_called_once_with(384            None, None, None, test_img_source, mock.ANY, run_as_root=True,385            size=self.TEST_SIZE_IN_GB)386        mock_resize.assert_called_once_with(test_img_source,387                                            self.TEST_SIZE_IN_GB,388                                            run_as_root=True)389    def test_get_mount_point_for_share(self):390        """_get_mount_point_for_share should calculate correct value."""391        self._set_driver()392        drv = self._driver393        self.configuration.nfs_mount_point_base = self.TEST_MNT_POINT_BASE394        self.assertEqual('/mnt/test/2f4f60214cf43c595666dd815f0360a4',395                         drv._get_mount_point_for_share(self.TEST_NFS_EXPORT1))396    def test_get_mount_point_for_share_given_extra_slash_in_state_path(self):397        """_get_mount_point_for_share should calculate correct value."""398        # This test gets called with the extra slash399        self.configuration.nfs_mount_point_base = (400            self.TEST_MNT_POINT_BASE_EXTRA_SLASH)401        # The driver gets called with the correct configuration and removes402        # the extra slash403        drv = nfs.NfsDriver(configuration=self.configuration)404        self.assertEqual('/opt/stack/data/cinder/mnt', drv.base)405        self.assertEqual(406            '/opt/stack/data/cinder/mnt/2f4f60214cf43c595666dd815f0360a4',407            drv._get_mount_point_for_share(self.TEST_NFS_EXPORT1))408    def test_get_capacity_info(self):409        """_get_capacity_info should calculate correct value."""410        self._set_driver()411        drv = self._driver412        stat_total_size = 2620544413        stat_avail = 2129984414        stat_output = '1 %d %d' % (stat_total_size, stat_avail)415        du_used = 490560416        du_output = '%d /mnt' % du_used417        with mock.patch.object(418                drv, '_get_mount_point_for_share') as mock_get_mount:419            mock_get_mount.return_value = self.TEST_MNT_POINT420            drv._execute.side_effect = [(stat_output, None),421                                        (du_output, None)]422            self.assertEqual((stat_total_size, stat_avail, du_used),423                             drv._get_capacity_info(self.TEST_NFS_EXPORT1))424            mock_get_mount.assert_called_once_with(self.TEST_NFS_EXPORT1)425            calls = [mock.call('stat', '-f', '-c', '%S %b %a',426                               self.TEST_MNT_POINT, run_as_root=True),427                     mock.call('du', '-sb', '--apparent-size',428                               '--exclude', '*snapshot*',429                               self.TEST_MNT_POINT, run_as_root=True)]430            drv._execute.assert_has_calls(calls)431    def test_get_capacity_info_for_share_and_mount_point_with_spaces(self):432        """_get_capacity_info should calculate correct value."""433        self._set_driver()434        drv = self._driver435        stat_total_size = 2620544436        stat_avail = 2129984437        stat_output = '1 %d %d' % (stat_total_size, stat_avail)438        du_used = 490560439        du_output = '%d /mnt' % du_used440        with mock.patch.object(441                drv, '_get_mount_point_for_share') as mock_get_mount:442            mock_get_mount.return_value = self.TEST_MNT_POINT_SPACES443            drv._execute.side_effect = [(stat_output, None),444                                        (du_output, None)]445            self.assertEqual((stat_total_size, stat_avail, du_used),446                             drv._get_capacity_info(447                                 self.TEST_NFS_EXPORT_SPACES))448            mock_get_mount.assert_called_once_with(449                self.TEST_NFS_EXPORT_SPACES)450            calls = [mock.call('stat', '-f', '-c', '%S %b %a',451                               self.TEST_MNT_POINT_SPACES, run_as_root=True),452                     mock.call('du', '-sb', '--apparent-size',453                               '--exclude', '*snapshot*',454                               self.TEST_MNT_POINT_SPACES, run_as_root=True)]455            drv._execute.assert_has_calls(calls)456    def test_load_shares_config(self):457        self._set_driver()458        drv = self._driver459        drv.configuration.nfs_shares_config = self.TEST_SHARES_CONFIG_FILE460        with mock.patch.object(461                drv, '_read_config_file') as mock_read_config:462            config_data = []463            config_data.append(self.TEST_NFS_EXPORT1)464            config_data.append('#' + self.TEST_NFS_EXPORT2)465            config_data.append('')466            config_data.append(self.TEST_NFS_EXPORT2 + ' ' +467                               self.TEST_NFS_EXPORT2_OPTIONS)468            config_data.append('broken:share_format')469            mock_read_config.return_value = config_data470            drv._load_shares_config(drv.configuration.nfs_shares_config)471            mock_read_config.assert_called_once_with(472                self.TEST_SHARES_CONFIG_FILE)473            self.assertIn(self.TEST_NFS_EXPORT1, drv.shares)474            self.assertIn(self.TEST_NFS_EXPORT2, drv.shares)475            self.assertEqual(2, len(drv.shares))476            self.assertEqual(self.TEST_NFS_EXPORT2_OPTIONS,477                             drv.shares[self.TEST_NFS_EXPORT2])478    def test_load_shares_config_nas_opts(self):479        self._set_driver()480        drv = self._driver481        drv.configuration.nas_host = self.TEST_NFS_HOST482        drv.configuration.nas_share_path = self.TEST_NFS_SHARE_PATH483        drv.configuration.nfs_shares_config = self.TEST_SHARES_CONFIG_FILE484        drv._load_shares_config(drv.configuration.nfs_shares_config)485        self.assertIn(self.TEST_NFS_EXPORT1, drv.shares)486        self.assertEqual(1, len(drv.shares))487    def test_ensure_shares_mounted_should_save_mounting_successfully(self):488        """_ensure_shares_mounted should save share if mounted with success."""489        self._set_driver()490        drv = self._driver491        config_data = []492        config_data.append(self.TEST_NFS_EXPORT1)493        drv.configuration.nfs_shares_config = self.TEST_SHARES_CONFIG_FILE494        with mock.patch.object(495                drv, '_read_config_file') as mock_read_config:496            with mock.patch.object(497                    drv, '_ensure_share_mounted') as mock_ensure:498                mock_read_config.return_value = config_data499                drv._ensure_share_mounted(self.TEST_NFS_EXPORT1)500                mock_ensure.assert_called_once_with(self.TEST_NFS_EXPORT1)501    @mock.patch.object(remotefs, 'LOG')502    def test_ensure_shares_mounted_should_not_save_mounting_with_error(self,503                                                                       LOG):504        """_ensure_shares_mounted should not save share if failed to mount."""505        self._set_driver()506        drv = self._driver507        config_data = []508        config_data.append(self.TEST_NFS_EXPORT1)509        drv.configuration.nfs_shares_config = self.TEST_SHARES_CONFIG_FILE510        with mock.patch.object(511                drv, '_read_config_file') as mock_read_config:512            with mock.patch.object(513                    drv, '_ensure_share_mounted') as mock_ensure:514                mock_read_config.return_value = config_data515                drv._ensure_share_mounted()516                self.assertEqual(0, len(drv._mounted_shares))517                mock_ensure.assert_called_once_with()518    def test_find_share_should_throw_error_if_there_is_no_mounted_share(self):519        """_find_share should throw error if there is no mounted shares."""520        self._set_driver()521        drv = self._driver522        drv._mounted_shares = []523        self.assertRaises(exception.NfsNoSharesMounted, drv._find_share,524                          self._simple_volume())525    def test_find_share(self):526        """_find_share simple use case."""527        self._set_driver()528        drv = self._driver529        drv._mounted_shares = [self.TEST_NFS_EXPORT1, self.TEST_NFS_EXPORT2]530        volume = fake_volume.fake_volume_obj(self.context,531                                             size=self.TEST_SIZE_IN_GB)532        with mock.patch.object(533                drv, '_get_capacity_info') as mock_get_capacity_info:534            mock_get_capacity_info.side_effect = [535                (5 * units.Gi, 2 * units.Gi, 2 * units.Gi),536                (10 * units.Gi, 3 * units.Gi, 1 * units.Gi)]537            self.assertEqual(self.TEST_NFS_EXPORT2,538                             drv._find_share(volume))539            calls = [mock.call(self.TEST_NFS_EXPORT1),540                     mock.call(self.TEST_NFS_EXPORT2)]541            mock_get_capacity_info.assert_has_calls(calls)542            self.assertEqual(2, mock_get_capacity_info.call_count)543    def test_find_share_should_throw_error_if_there_is_not_enough_space(self):544        """_find_share should throw error if there is no share to host vol."""545        self._set_driver()546        drv = self._driver547        drv._mounted_shares = [self.TEST_NFS_EXPORT1, self.TEST_NFS_EXPORT2]548        with mock.patch.object(549                drv, '_get_capacity_info') as mock_get_capacity_info:550            mock_get_capacity_info.side_effect = [551                (5 * units.Gi, 0, 5 * units.Gi),552                (10 * units.Gi, 0, 10 * units.Gi)]553            self.assertRaises(exception.NfsNoSuitableShareFound,554                              drv._find_share, self._simple_volume())555            calls = [mock.call(self.TEST_NFS_EXPORT1),556                     mock.call(self.TEST_NFS_EXPORT2)]557            mock_get_capacity_info.assert_has_calls(calls)558            self.assertEqual(2, mock_get_capacity_info.call_count)559    def _simple_volume(self, size=10):560        loc = self.TEST_NFS_EXPORT1561        return fake_volume.fake_volume_obj(self.context,562                                           display_name='volume_name',563                                           provider_location=loc,564                                           size=size)565    def test_create_sparsed_volume(self):566        self._set_driver()567        drv = self._driver568        volume = self._simple_volume()569        self.override_config('nfs_sparsed_volumes', True)570        with mock.patch.object(571                drv, '_create_sparsed_file') as mock_create_sparsed_file:572            with mock.patch.object(573                    drv, '_set_rw_permissions') as mock_set_rw_permissions:574                drv._do_create_volume(volume)575                mock_create_sparsed_file.assert_called_once_with(mock.ANY,576                                                                 mock.ANY)577                mock_set_rw_permissions.assert_called_once_with(mock.ANY)578    def test_create_nonsparsed_volume(self):579        self._set_driver()580        drv = self._driver581        self.configuration.nfs_sparsed_volumes = False582        volume = self._simple_volume()583        self.override_config('nfs_sparsed_volumes', False)584        with mock.patch.object(585                drv, '_create_regular_file') as mock_create_regular_file:586            with mock.patch.object(587                    drv, '_set_rw_permissions') as mock_set_rw_permissions:588                drv._do_create_volume(volume)589                mock_create_regular_file.assert_called_once_with(mock.ANY,590                                                                 mock.ANY)591                mock_set_rw_permissions.assert_called_once_with(mock.ANY)592    @mock.patch.object(nfs, 'LOG')593    def test_create_volume_should_ensure_nfs_mounted(self, mock_log):594        """create_volume ensures shares provided in config are mounted."""595        self._set_driver()596        drv = self._driver597        drv._find_share = mock.Mock()598        drv._find_share.return_value = self.TEST_NFS_EXPORT1599        drv._do_create_volume = mock.Mock()600        with mock.patch.object(601                drv, '_ensure_share_mounted') as mock_ensure_share:602            drv._ensure_share_mounted()603            volume = fake_volume.fake_volume_obj(self.context,604                                                 size=self.TEST_SIZE_IN_GB)605            drv.create_volume(volume)606            mock_ensure_share.assert_called_once_with()607    @mock.patch.object(nfs, 'LOG')608    def test_create_volume_should_return_provider_location(self, mock_log):609        """create_volume should return provider_location with found share."""610        self._set_driver()611        drv = self._driver612        drv._ensure_shares_mounted = mock.Mock()613        drv._do_create_volume = mock.Mock()614        with mock.patch.object(drv, '_find_share') as mock_find_share:615            mock_find_share.return_value = self.TEST_NFS_EXPORT1616            volume = fake_volume.fake_volume_obj(self.context,617                                                 size=self.TEST_SIZE_IN_GB)618            result = drv.create_volume(volume)619            self.assertEqual(self.TEST_NFS_EXPORT1,620                             result['provider_location'])621            mock_find_share.assert_called_once_with(volume)622    def test_delete_volume(self):623        """delete_volume simple test case."""624        self._set_driver()625        drv = self._driver626        drv._ensure_share_mounted = mock.Mock()627        volume = fake_volume.fake_volume_obj(628            self.context,629            display_name='volume-123',630            provider_location=self.TEST_NFS_EXPORT1)631        with mock.patch.object(drv, 'local_path') as mock_local_path:632            mock_local_path.return_value = self.TEST_LOCAL_PATH633            drv.delete_volume(volume)634            mock_local_path.assert_called_with(volume)635            drv._execute.assert_called_once()636    def test_delete_should_ensure_share_mounted(self):637        """delete_volume should ensure that corresponding share is mounted."""638        self._set_driver()639        drv = self._driver640        volume = fake_volume.fake_volume_obj(641            self.context,642            display_name='volume-123',643            provider_location=self.TEST_NFS_EXPORT1)644        with mock.patch.object(drv, '_ensure_share_mounted'):645            drv.delete_volume(volume)646    def test_delete_should_not_delete_if_provider_location_not_provided(self):647        """delete_volume shouldn't delete if provider_location missed."""648        self._set_driver()649        drv = self._driver650        volume = fake_volume.fake_volume_obj(self.context,651                                             name='volume-123',652                                             provider_location=None)653        with mock.patch.object(drv, '_ensure_share_mounted'):654            drv.delete_volume(volume)655            self.assertFalse(drv._execute.called)656    def test_get_volume_stats(self):657        """get_volume_stats must fill the correct values."""658        self._set_driver()659        drv = self._driver660        drv._mounted_shares = [self.TEST_NFS_EXPORT1, self.TEST_NFS_EXPORT2]661        with mock.patch.object(662                drv, '_ensure_shares_mounted') as mock_ensure_share:663            with mock.patch.object(664                    drv, '_get_capacity_info') as mock_get_capacity_info:665                mock_get_capacity_info.side_effect = [666                    (10 * units.Gi, 2 * units.Gi, 2 * units.Gi),667                    (20 * units.Gi, 3 * units.Gi, 3 * units.Gi)]668                drv._ensure_shares_mounted()669                drv.get_volume_stats()670                calls = [mock.call(self.TEST_NFS_EXPORT1),671                         mock.call(self.TEST_NFS_EXPORT2)]672                mock_get_capacity_info.assert_has_calls(calls)673                self.assertTrue(mock_ensure_share.called)674                self.assertEqual(30.0, drv._stats['total_capacity_gb'])675                self.assertEqual(5.0, drv._stats['free_capacity_gb'])676                self.assertEqual(5, drv._stats['reserved_percentage'])677                self.assertTrue(drv._stats['sparse_copy_volume'])678    def test_get_volume_stats_with_non_zero_reserved_percentage(self):679        """get_volume_stats must fill the correct values."""680        self.configuration.reserved_percentage = 10.0681        drv = nfs.NfsDriver(configuration=self.configuration)682        drv._mounted_shares = [self.TEST_NFS_EXPORT1, self.TEST_NFS_EXPORT2]683        with mock.patch.object(684                drv, '_ensure_shares_mounted') as mock_ensure_share:685            with mock.patch.object(686                    drv, '_get_capacity_info') as mock_get_capacity_info:687                mock_get_capacity_info.side_effect = [688                    (10 * units.Gi, 2 * units.Gi, 2 * units.Gi),689                    (20 * units.Gi, 3 * units.Gi, 3 * units.Gi)]690                drv._ensure_shares_mounted()691                drv.get_volume_stats()692                calls = [mock.call(self.TEST_NFS_EXPORT1),693                         mock.call(self.TEST_NFS_EXPORT2)]694                mock_get_capacity_info.assert_has_calls(calls)695                self.assertTrue(mock_ensure_share.called)696                self.assertEqual(30.0, drv._stats['total_capacity_gb'])697                self.assertEqual(5.0, drv._stats['free_capacity_gb'])698                self.assertEqual(10.0, drv._stats['reserved_percentage'])699    @ddt.data(True, False)700    def test_update_volume_stats(self, thin):701        self._set_driver()702        self._driver.configuration.max_over_subscription_ratio = 20.0703        self._driver.configuration.reserved_percentage = 5.0704        self._driver.configuration.nfs_sparsed_volumes = thin705        remotefs_volume_stats = {706            'volume_backend_name': 'fake_backend_name',707            'vendor_name': 'fake_vendor',708            'driver_version': 'fake_version',709            'storage_protocol': 'NFS',710            'total_capacity_gb': 100.0,711            'free_capacity_gb': 20.0,712            'reserved_percentage': 5.0,713            'QoS_support': False,714        }715        self.mock_object(remotefs.RemoteFSDriver, '_update_volume_stats')716        self._driver._stats = remotefs_volume_stats717        mock_get_provisioned_capacity = self.mock_object(718            self._driver, '_get_provisioned_capacity', return_value=25.0)719        self._driver._update_volume_stats()720        nfs_added_volume_stats = {721            'provisioned_capacity_gb': 25.0 if thin else 80.0,722            'max_over_subscription_ratio': 20.0,723            'reserved_percentage': 5.0,724            'thin_provisioning_support': thin,725            'thick_provisioning_support': not thin,726        }727        expected = remotefs_volume_stats728        expected.update(nfs_added_volume_stats)729        self.assertEqual(expected, self._driver._stats)730        self.assertEqual(thin, mock_get_provisioned_capacity.called)731    def _check_is_share_eligible(self, total_size, total_available,732                                 total_allocated, requested_volume_size):733        self._set_driver()734        with mock.patch.object(self._driver, '_get_capacity_info')\735                as mock_get_capacity_info:736            mock_get_capacity_info.return_value = (total_size,737                                                   total_available,738                                                   total_allocated)739            return self._driver._is_share_eligible('fake_share',740                                                   requested_volume_size)741    def test_is_share_eligible(self):742        self._set_driver()743        total_size = 100.0 * units.Gi744        total_available = 90.0 * units.Gi745        total_allocated = 10.0 * units.Gi746        requested_volume_size = 1  # GiB747        self.assertTrue(self._check_is_share_eligible(total_size,748                                                      total_available,749                                                      total_allocated,750                                                      requested_volume_size))751    def test_share_eligibility_with_reserved_percentage(self):752        self._set_driver()753        total_size = 100.0 * units.Gi754        total_available = 4.0 * units.Gi755        total_allocated = 96.0 * units.Gi756        requested_volume_size = 1  # GiB757        # Check used > used_ratio statement entered758        self.assertFalse(self._check_is_share_eligible(total_size,759                                                       total_available,760                                                       total_allocated,761                                                       requested_volume_size))762    def test_is_share_eligible_above_oversub_ratio(self):763        self._set_driver()764        total_size = 100.0 * units.Gi765        total_available = 10.0 * units.Gi766        total_allocated = 90.0 * units.Gi767        requested_volume_size = 10  # GiB768        # Check apparent_available <= requested_volume_size statement entered769        self.assertFalse(self._check_is_share_eligible(total_size,770                                                       total_available,771                                                       total_allocated,772                                                       requested_volume_size))773    def test_is_share_eligible_reserved_space_above_oversub_ratio(self):774        self._set_driver()775        total_size = 100.0 * units.Gi776        total_available = 10.0 * units.Gi777        total_allocated = 100.0 * units.Gi778        requested_volume_size = 1  # GiB779        # Check total_allocated / total_size >= oversub_ratio780        # statement entered781        self.assertFalse(self._check_is_share_eligible(total_size,782                                                       total_available,783                                                       total_allocated,784                                                       requested_volume_size))785    def test_extend_volume(self):786        """Extend a volume by 1."""787        self._set_driver()788        drv = self._driver789        volume = fake_volume.fake_volume_obj(790            self.context,791            id='80ee16b6-75d2-4d54-9539-ffc1b4b0fb10',792            size=1,793            provider_location='nfs_share')794        path = 'path'795        newSize = volume['size'] + 1796        with mock.patch.object(image_utils, 'resize_image') as resize:797            with mock.patch.object(drv, 'local_path', return_value=path):798                with mock.patch.object(drv, '_is_share_eligible',799                                       return_value=True):800                    with mock.patch.object(drv, '_is_file_size_equal',801                                           return_value=True):802                        drv.extend_volume(volume, newSize)803                        resize.assert_called_once_with(path, newSize,804                                                       run_as_root=True)805    def test_extend_volume_failure(self):806        """Error during extend operation."""807        self._set_driver()808        drv = self._driver809        volume = fake_volume.fake_volume_obj(810            self.context,811            id='80ee16b6-75d2-4d54-9539-ffc1b4b0fb10',812            size=1,813            provider_location='nfs_share')814        with mock.patch.object(image_utils, 'resize_image'):815            with mock.patch.object(drv, 'local_path', return_value='path'):816                with mock.patch.object(drv, '_is_share_eligible',817                                       return_value=True):818                    with mock.patch.object(drv, '_is_file_size_equal',819                                           return_value=False):820                        self.assertRaises(exception.ExtendVolumeError,821                                          drv.extend_volume, volume, 2)822    def test_extend_volume_insufficient_space(self):823        """Insufficient space on nfs_share during extend operation."""824        self._set_driver()825        drv = self._driver826        volume = fake_volume.fake_volume_obj(827            self.context,828            id='80ee16b6-75d2-4d54-9539-ffc1b4b0fb10',829            size=1,830            provider_location='nfs_share')831        with mock.patch.object(image_utils, 'resize_image'):832            with mock.patch.object(drv, 'local_path', return_value='path'):833                with mock.patch.object(drv, '_is_share_eligible',834                                       return_value=False):835                    with mock.patch.object(drv, '_is_file_size_equal',836                                           return_value=False):837                        self.assertRaises(exception.ExtendVolumeError,838                                          drv.extend_volume, volume, 2)839    def test_is_file_size_equal(self):840        """File sizes are equal."""841        self._set_driver()842        drv = self._driver843        path = 'fake/path'844        size = 2845        data = mock.MagicMock()846        data.virtual_size = size * units.Gi847        with mock.patch.object(image_utils, 'qemu_img_info',848                               return_value=data):849            self.assertTrue(drv._is_file_size_equal(path, size))850    def test_is_file_size_equal_false(self):851        """File sizes are not equal."""852        self._set_driver()853        drv = self._driver854        path = 'fake/path'855        size = 2856        data = mock.MagicMock()857        data.virtual_size = (size + 1) * units.Gi858        with mock.patch.object(image_utils, 'qemu_img_info',859                               return_value=data):860            self.assertFalse(drv._is_file_size_equal(path, size))861    @mock.patch.object(nfs, 'LOG')862    def test_set_nas_security_options_when_true(self, LOG):863        """Test higher level setting of NAS Security options.864        The NFS driver overrides the base method with a driver specific865        version.866        """867        self._set_driver()868        drv = self._driver869        drv._mounted_shares = [self.TEST_NFS_EXPORT1]870        is_new_install = True871        drv._ensure_shares_mounted = mock.Mock()872        drv._get_mount_point_for_share = mock.Mock(873            return_value=self.TEST_MNT_POINT)874        drv._determine_nas_security_option_setting = mock.Mock(875            return_value='true')876        drv.set_nas_security_options(is_new_install)877        self.assertEqual('true', drv.configuration.nas_secure_file_operations)878        self.assertEqual('true', drv.configuration.nas_secure_file_permissions)879        self.assertFalse(LOG.warning.called)880    @mock.patch.object(nfs, 'LOG')881    def test_set_nas_security_options_when_false(self, LOG):882        """Test higher level setting of NAS Security options.883        The NFS driver overrides the base method with a driver specific884        version.885        """886        self._set_driver()887        drv = self._driver888        drv._mounted_shares = [self.TEST_NFS_EXPORT1]889        is_new_install = False890        drv._ensure_shares_mounted = mock.Mock()891        drv._get_mount_point_for_share = mock.Mock(892            return_value=self.TEST_MNT_POINT)893        drv._determine_nas_security_option_setting = mock.Mock(894            return_value='false')895        drv.set_nas_security_options(is_new_install)896        self.assertEqual('false', drv.configuration.nas_secure_file_operations)897        self.assertEqual('false',898                         drv.configuration.nas_secure_file_permissions)899        self.assertTrue(LOG.warning.called)900    def test_set_nas_security_options_exception_if_no_mounted_shares(self):901        """Ensure proper exception is raised if there are no mounted shares."""902        self._set_driver()903        drv = self._driver904        drv._ensure_shares_mounted = mock.Mock()905        drv._mounted_shares = []906        is_new_cinder_install = 'does not matter'907        self.assertRaises(exception.NfsNoSharesMounted,908                          drv.set_nas_security_options,909                          is_new_cinder_install)910    def test_ensure_share_mounted(self):911        """Case where the mount works the first time."""912        self._set_driver()913        self.mock_object(self._driver._remotefsclient, 'mount')914        drv = self._driver915        drv.configuration.nfs_mount_attempts = 3916        drv.shares = {self.TEST_NFS_EXPORT1: ''}917        drv._ensure_share_mounted(self.TEST_NFS_EXPORT1)918        drv._remotefsclient.mount.called_once()919    @mock.patch('time.sleep')920    def test_ensure_share_mounted_exception(self, _mock_sleep):921        """Make the configured number of attempts when mounts fail."""922        num_attempts = 3923        self._set_driver()924        self.mock_object(self._driver._remotefsclient, 'mount',925                         side_effect=Exception)926        drv = self._driver927        drv.configuration.nfs_mount_attempts = num_attempts928        drv.shares = {self.TEST_NFS_EXPORT1: ''}929        self.assertRaises(exception.NfsException, drv._ensure_share_mounted,930                          self.TEST_NFS_EXPORT1)931        self.assertEqual(num_attempts, drv._remotefsclient.mount.call_count)932    def test_ensure_share_mounted_at_least_one_attempt(self):933        """Make at least one mount attempt even if configured for less."""934        min_num_attempts = 1935        num_attempts = 0936        self._set_driver()937        self.mock_object(self._driver._remotefsclient, 'mount',938                         side_effect=Exception)939        drv = self._driver940        drv.configuration.nfs_mount_attempts = num_attempts941        drv.shares = {self.TEST_NFS_EXPORT1: ''}942        self.assertRaises(exception.NfsException, drv._ensure_share_mounted,943                          self.TEST_NFS_EXPORT1)944        self.assertEqual(min_num_attempts,945                         drv._remotefsclient.mount.call_count)946    @ddt.data([NFS_CONFIG1, QEMU_IMG_INFO_OUT3],947              [NFS_CONFIG2, QEMU_IMG_INFO_OUT4],948              [NFS_CONFIG3, QEMU_IMG_INFO_OUT3],949              [NFS_CONFIG4, QEMU_IMG_INFO_OUT4])950    @ddt.unpack951    def test_copy_volume_from_snapshot(self, nfs_conf, qemu_img_info):952        self._set_driver(extra_confs=nfs_conf)953        drv = self._driver954        dest_volume = self._simple_volume()955        src_volume = self._simple_volume()956        fake_snap = fake_snapshot.fake_snapshot_obj(self.context)957        fake_snap.volume = src_volume958        img_out = qemu_img_info % {'volid': src_volume.id,959                                   'snapid': fake_snap.id,960                                   'size_gb': src_volume.size,961                                   'size_b': src_volume.size * units.Gi}962        img_info = imageutils.QemuImgInfo(img_out)963        mock_img_info = self.mock_object(image_utils, 'qemu_img_info')964        mock_img_info.return_value = img_info965        mock_convert_image = self.mock_object(image_utils, 'convert_image')966        vol_dir = os.path.join(self.TEST_MNT_POINT_BASE,967                               drv._get_hash_str(src_volume.provider_location))968        src_vol_path = os.path.join(vol_dir, img_info.backing_file)969        dest_vol_path = os.path.join(vol_dir, dest_volume.name)970        info_path = os.path.join(vol_dir, src_volume.name) + '.info'971        snap_file = dest_volume.name + '.' + fake_snap.id972        snap_path = os.path.join(vol_dir, snap_file)973        size = dest_volume.size974        mock_read_info_file = self.mock_object(drv, '_read_info_file')975        mock_read_info_file.return_value = {'active': snap_file,976                                            fake_snap.id: snap_file}977        mock_permission = self.mock_object(drv, '_set_rw_permissions_for_all')978        drv._copy_volume_from_snapshot(fake_snap, dest_volume, size)979        mock_read_info_file.assert_called_once_with(info_path)980        mock_img_info.assert_called_once_with(snap_path, run_as_root=True)981        used_qcow = nfs_conf['nfs_qcow2_volumes']982        mock_convert_image.assert_called_once_with(983            src_vol_path, dest_vol_path, 'qcow2' if used_qcow else 'raw',984            run_as_root=True)985        mock_permission.assert_called_once_with(dest_vol_path)986    @ddt.data([NFS_CONFIG1, QEMU_IMG_INFO_OUT3],987              [NFS_CONFIG2, QEMU_IMG_INFO_OUT4],988              [NFS_CONFIG3, QEMU_IMG_INFO_OUT3],989              [NFS_CONFIG4, QEMU_IMG_INFO_OUT4])990    @ddt.unpack991    def test_create_volume_from_snapshot(self, nfs_conf, qemu_img_info):992        self._set_driver(extra_confs=nfs_conf)993        drv = self._driver994        # Volume source of the snapshot we are trying to clone from. We need it995        # to have a different id than the default provided.996        src_volume = self._simple_volume(size=10)997        src_volume.id = six.text_type(uuid.uuid4())998        src_volume_dir = os.path.join(self.TEST_MNT_POINT_BASE,999                                      drv._get_hash_str(1000                                          src_volume.provider_location))1001        src_volume_path = os.path.join(src_volume_dir, src_volume.name)1002        fake_snap = fake_snapshot.fake_snapshot_obj(self.context)1003        # Fake snapshot based in the previous created volume1004        snap_file = src_volume.name + '.' + fake_snap.id1005        fake_snap.volume = src_volume1006        fake_snap.status = 'available'1007        fake_snap.size = 101008        # New fake volume where the snap will be copied1009        new_volume = self._simple_volume(size=10)1010        new_volume_dir = os.path.join(self.TEST_MNT_POINT_BASE,1011                                      drv._get_hash_str(1012                                          src_volume.provider_location))1013        new_volume_path = os.path.join(new_volume_dir, new_volume.name)1014        # Mocks1015        img_out = qemu_img_info % {'volid': src_volume.id,1016                                   'snapid': fake_snap.id,1017                                   'size_gb': src_volume.size,1018                                   'size_b': src_volume.size * units.Gi}1019        img_info = imageutils.QemuImgInfo(img_out)1020        mock_img_info = self.mock_object(image_utils, 'qemu_img_info')1021        mock_img_info.return_value = img_info1022        mock_ensure = self.mock_object(drv, '_ensure_shares_mounted')1023        mock_find_share = self.mock_object(drv, '_find_share',1024                                           return_value=self.TEST_NFS_EXPORT1)1025        mock_read_info_file = self.mock_object(drv, '_read_info_file')1026        mock_read_info_file.return_value = {'active': snap_file,1027                                            fake_snap.id: snap_file}1028        mock_convert_image = self.mock_object(image_utils, 'convert_image')1029        self.mock_object(drv, '_create_qcow2_file')1030        self.mock_object(drv, '_create_regular_file')1031        self.mock_object(drv, '_create_regular_file')1032        self.mock_object(drv, '_set_rw_permissions')1033        self.mock_object(drv, '_read_file')1034        ret = drv.create_volume_from_snapshot(new_volume, fake_snap)1035        # Test asserts1036        self.assertEqual(self.TEST_NFS_EXPORT1, ret['provider_location'])1037        used_qcow = nfs_conf['nfs_qcow2_volumes']1038        mock_convert_image.assert_called_once_with(1039            src_volume_path, new_volume_path, 'qcow2' if used_qcow else 'raw',1040            run_as_root=True)1041        mock_ensure.assert_called_once()1042        mock_find_share.assert_called_once_with(new_volume)1043    def test_create_volume_from_snapshot_status_not_available(self):1044        """Expect an error when the snapshot's status is not 'available'."""1045        self._set_driver()1046        drv = self._driver1047        src_volume = self._simple_volume()1048        fake_snap = fake_snapshot.fake_snapshot_obj(self.context)1049        fake_snap.volume = src_volume1050        new_volume = self._simple_volume()1051        new_volume['size'] = fake_snap['volume_size']1052        self.assertRaises(exception.InvalidSnapshot,1053                          drv.create_volume_from_snapshot,1054                          new_volume,1055                          fake_snap)1056    @ddt.data([NFS_CONFIG1, QEMU_IMG_INFO_OUT1],1057              [NFS_CONFIG2, QEMU_IMG_INFO_OUT2],1058              [NFS_CONFIG3, QEMU_IMG_INFO_OUT1],1059              [NFS_CONFIG4, QEMU_IMG_INFO_OUT2])1060    @ddt.unpack1061    def test_initialize_connection(self, nfs_confs, qemu_img_info):1062        self._set_driver(extra_confs=nfs_confs)1063        drv = self._driver1064        volume = self._simple_volume()1065        vol_dir = os.path.join(self.TEST_MNT_POINT_BASE,1066                               drv._get_hash_str(volume.provider_location))1067        vol_path = os.path.join(vol_dir, volume.name)1068        mock_img_utils = self.mock_object(image_utils, 'qemu_img_info')1069        img_out = qemu_img_info % {'volid': volume.id, 'size_gb': volume.size,1070                                   'size_b': volume.size * units.Gi}1071        mock_img_utils.return_value = imageutils.QemuImgInfo(img_out)1072        self.mock_object(drv, '_read_info_file',1073                         return_value={'active': "volume-%s" % volume.id})1074        conn_info = drv.initialize_connection(volume, None)1075        mock_img_utils.assert_called_once_with(vol_path, run_as_root=True)1076        self.assertEqual('nfs', conn_info['driver_volume_type'])1077        self.assertEqual(volume.name, conn_info['data']['name'])1078        self.assertEqual(self.TEST_MNT_POINT_BASE,1079                         conn_info['mount_point_base'])1080    @mock.patch.object(image_utils, 'qemu_img_info')1081    def test_initialize_connection_raise_exception(self, mock_img_info):1082        self._set_driver()1083        drv = self._driver1084        volume = self._simple_volume()1085        qemu_img_output = """image: %s1086        file format: iso1087        virtual size: 1.0G (1073741824 bytes)1088        disk size: 173K1089        """ % volume['name']1090        mock_img_info.return_value = imageutils.QemuImgInfo(qemu_img_output)1091        self.assertRaises(exception.InvalidVolume,1092                          drv.initialize_connection,1093                          volume,1094                          None)1095    def test_create_snapshot(self):1096        self._set_driver()1097        drv = self._driver1098        volume = self._simple_volume()1099        self.configuration.nfs_snapshot_support = True1100        fake_snap = fake_snapshot.fake_snapshot_obj(self.context)1101        fake_snap.volume = volume1102        vol_dir = os.path.join(self.TEST_MNT_POINT_BASE,1103                               drv._get_hash_str(self.TEST_NFS_EXPORT1))1104        snap_file = volume['name'] + '.' + fake_snap.id1105        snap_path = os.path.join(vol_dir, snap_file)1106        info_path = os.path.join(vol_dir, volume['name']) + '.info'1107        with mock.patch.object(drv, '_local_path_volume_info',1108                               return_value=info_path), \1109                mock.patch.object(drv, '_read_info_file', return_value={}), \1110                mock.patch.object(drv, '_do_create_snapshot') \...

scrappa.py

Source:scrappa.py

...3from selenium.common.exceptions import TimeoutException, NoAlertPresentException, UnexpectedAlertPresentException4from selenium.webdriver.support.wait import WebDriverWait5class Scrappa:6    def _get(self, link, wait=True):7        # self._set_driver()8        self.driver.stop_client()9        try:10            self.driver.get('about:blank')11        except UnexpectedAlertPresentException as e:12            try:13                self.driver.switch_to.alert.accept()14            except NoAlertPresentException:15                pass16        try:17            self.driver.get(link)18            if wait:19                return self.driver.page_source20        except UnexpectedAlertPresentException as e:21            try:22                self.driver.switch_to.alert.accept()23            except NoAlertPresentException:24                pass25            try:26                if wait:27                    return self.driver.page_source28            except TimeoutException as e:29                self._set_driver()30                return self._get(link, wait)31        except TimeoutException as e:32            self._set_driver()33            return self._get(link, wait)34    def _set_driver(self):35        if hasattr(self, 'driver') and self.driver is not None:36            self.driver.quit()37        self.driver = self.browser(**self.browser_args)38        self.driver.set_page_load_timeout(self.timeout)39        self.driver.implicitly_wait(self.timeout)40        self.wait = WebDriverWait(self.driver, self.timeout)41    def _reload(self):42        self.driver.stop_client()43        self.driver.start_client()44    def __init__(self, timeout=5, browser=webdriver.Chrome, browser_args=None, whitelist_domains=None):45        self.timeout = timeout46        self.browser = browser47        default_browser_args = {}48        if browser == webdriver.Chrome:49            chrome_options = webdriver.ChromeOptions()50            prefs = {'profile.managed_default_content_settings.images': 2}51            chrome_options.add_experimental_option("prefs", prefs)52            if whitelist_domains is not None:53                chrome_options.add_argument(54                    f"--host-resolver-rules=MAP * 127.0.0.1, " + ", ".join([f"EXCLUDE {domain}" for domain in whitelist_domains])55                )56            default_browser_args['chrome_options'] = chrome_options57        elif browser == webdriver.Firefox:58            firefox_profile = webdriver.FirefoxProfile()59            firefox_profile.set_preference('permissions.default.image', 2)60            firefox_profile.set_preference('dom.ipc.plugins.enabled.libflashplayer.so', 'false')61            default_browser_args['firefox_profile'] = firefox_profile62        self.browser_args = default_browser_args if browser_args is None else browser_args63        self._set_driver()64    def soup(self, link):65        page_source = self._get(link)66        return BeautifulSoup(page_source, 'lxml')67    def soups(self, links):68        for link in links:69            yield self.soup(link)70    def get_soup(self):...

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