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How to use check_quotas_enabled method in tempest

Best Python code snippet using tempest_python
test_unified_limits.py
Source:test_unified_limits.py
...50        except lib_exc.Forbidden:51            # If we fail to set limits, it means they are not52            # registered, and thus we will skip these tests once we53            # have our os_system_admin client and run54            # check_quotas_enabled().55            pass56    def setUp(self):57        super(ImageQuotaTest, self).setUp()58        self.created_images = []59    def create_image(self, data=None, **kwargs):60        """Wrapper that returns a test image."""61        if 'name' not in kwargs:62            name = data_utils.rand_name(self.__name__ + "-image")63            kwargs['name'] = name64        params = dict(kwargs)65        if data:66            # NOTE: On glance v1 API, the data should be passed on67            # a header. Then here handles the data separately.68            params['data'] = data69        image = self.image_client.create_image(**params)70        # Image objects returned by the v1 client have the image71        # data inside a dict that is keyed against 'image'.72        if 'image' in image:73            image = image['image']74        self.created_images.append(image['id'])75        self.addCleanup(76            self.image_client.wait_for_resource_deletion,77            image['id'])78        self.addCleanup(79            test_utils.call_and_ignore_notfound_exc,80            self.image_client.delete_image, image['id'])81        return image82    def check_quotas_enabled(self):83        # Check to see if we should even be running these tests. Use84        # the presence of a registered limit that we recognize as an85        # indication.  This will be set up by the operator (or86        # devstack) if glance is configured to use/honor the unified87        # limits. If one is set, they must all be set, because glance88        # has a single all-or-nothing flag for whether or not to use89        # keystone limits. If anything, checking only one helps to90        # assert the assumption that, if enabled, they must all be at91        # least registered for proper operation.92        registered_limits = self.os_system_admin.identity_limits_client.\93            get_registered_limits()['registered_limits']94        if 'image_count_total' not in [x['resource_name']95                                       for x in registered_limits]:96            raise self.skipException('Target system is not configured with '97                                     'glance unified limits')98    @classmethod99    def _create_limit(cls, name, value):100        return cls.os_system_admin.identity_limits_client.create_limit(101            CONF.identity.region, cls.glance_service_id,102            cls.image_client.tenant_id, name, value)['limits'][0]['id']103    def _update_limit(self, name, value):104        self.os_system_admin.identity_limits_client.update_limit(105            self.limit_ids[name], value)106    def _cleanup_images(self):107        while self.created_images:108            image_id = self.created_images.pop()109            try:110                self.image_client.delete_image(image_id)111            except lib_exc.NotFound:112                pass113    @decorators.idempotent_id('9b74fe24-183b-41e6-bf42-84c2958a7be8')114    @utils.services('image', 'identity')115    def test_image_count_quota(self):116        self.check_quotas_enabled()117        # Set a quota on the number of images for our tenant to one.118        self._update_limit('image_count_total', 1)119        # Create one image120        image = self.create_image(name='first',121                                  container_format='bare',122                                  disk_format='raw',123                                  visibility='private')124        # Second image would put us over quota, so expect failure.125        self.assertRaises(lib_exc.OverLimit,126                          self.create_image,127                          name='second',128                          container_format='bare',129                          disk_format='raw',130                          visibility='private')131        # Update our limit to two.132        self._update_limit('image_count_total', 2)133        # Now the same create should succeed.134        self.create_image(name='second',135                          container_format='bare',136                          disk_format='raw',137                          visibility='private')138        # Third image would put us over quota, so expect failure.139        self.assertRaises(lib_exc.OverLimit,140                          self.create_image,141                          name='third',142                          container_format='bare',143                          disk_format='raw',144                          visibility='private')145        # Delete the first image to put us under quota.146        self.image_client.delete_image(image['id'])147        # Now the same create should succeed.148        self.create_image(name='third',149                          container_format='bare',150                          disk_format='raw',151                          visibility='private')152        # Delete all the images we created before the next test runs,153        # so that it starts with full quota.154        self._cleanup_images()155    @decorators.idempotent_id('b103788b-5329-4aa9-8b0d-97f8733460db')156    @utils.services('image', 'identity')157    def test_image_count_uploading_quota(self):158        if not CONF.image_feature_enabled.import_image:159            skip_msg = (160                "%s skipped as image import is not available" % __name__)161            raise self.skipException(skip_msg)162        self.check_quotas_enabled()163        # Set a quota on the number of images we can have in uploading state.164        self._update_limit('image_stage_total', 10)165        self._update_limit('image_size_total', 10)166        self._update_limit('image_count_total', 10)167        self._update_limit('image_count_uploading', 1)168        file_content = data_utils.random_bytes(1 * units.Mi)169        # Create and stage an image170        image1 = self.create_image(name='first',171                                   container_format='bare',172                                   disk_format='raw',173                                   visibility='private')174        self.image_client.stage_image_file(image1['id'],175                                           io.BytesIO(file_content))176        # Check that we can not stage another177        image2 = self.create_image(name='second',178                                   container_format='bare',179                                   disk_format='raw',180                                   visibility='private')181        self.assertRaises(lib_exc.OverLimit,182                          self.image_client.stage_image_file,183                          image2['id'], io.BytesIO(file_content))184        # ... nor upload directly185        image3 = self.create_image(name='third',186                                   container_format='bare',187                                   disk_format='raw',188                                   visibility='private')189        self.assertRaises(lib_exc.OverLimit,190                          self.image_client.store_image_file,191                          image3['id'],192                          io.BytesIO(file_content))193        # Update our quota to make room194        self._update_limit('image_count_uploading', 2)195        # Now our upload should work196        self.image_client.store_image_file(image3['id'],197                                           io.BytesIO(file_content))198        # ...and because that is no longer in uploading state, we should be199        # able to stage our second image from above.200        self.image_client.stage_image_file(image2['id'],201                                           io.BytesIO(file_content))202        # Finish our import of image2203        self.image_client.image_import(image2['id'], method='glance-direct')204        waiters.wait_for_image_imported_to_stores(self.image_client,205                                                  image2['id'])206        # Set our quota back to one207        self._update_limit('image_count_uploading', 1)208        # Since image1 is still staged, we should not be able to upload209        # an image.210        image4 = self.create_image(name='fourth',211                                   container_format='bare',212                                   disk_format='raw',213                                   visibility='private')214        self.assertRaises(lib_exc.OverLimit,215                          self.image_client.store_image_file,216                          image4['id'],217                          io.BytesIO(file_content))218        # Finish our import of image1 to make space in our uploading quota.219        self.image_client.image_import(image1['id'], method='glance-direct')220        waiters.wait_for_image_imported_to_stores(self.image_client,221                                                  image1['id'])222        # Make sure that freed up the one upload quota to complete our upload223        self.image_client.store_image_file(image4['id'],224                                           io.BytesIO(file_content))225        # Delete all the images we created before the next test runs,226        # so that it starts with full quota.227        self._cleanup_images()228    @decorators.idempotent_id('05e8d064-c39a-4801-8c6a-465df375ec5b')229    @utils.services('image', 'identity')230    def test_image_size_quota(self):231        self.check_quotas_enabled()232        # Set a quota on the image size for our tenant to 1MiB, and allow ten233        # images.234        self._update_limit('image_size_total', 1)235        self._update_limit('image_count_total', 10)236        self._update_limit('image_count_uploading', 10)237        file_content = data_utils.random_bytes(1 * units.Mi)238        # Create and upload a 1MiB image.239        image1 = self.create_image(name='first',240                                   container_format='bare',241                                   disk_format='raw',242                                   visibility='private')243        self.image_client.store_image_file(image1['id'],244                                           io.BytesIO(file_content))245        # Create and upload a second 1MiB image. This succeeds, but246        # after completion, we are over quota. Despite us being at247        # quota above, the initial quota check for the second248        # operation has no idea what the image size will be, and thus249        # uses delta=0. This will succeed because we're not250        # technically over-quota and have not asked for any more (this251        # is oslo.limit behavior). After the second operation,252        # however, we will be over-quota regardless of the delta and253        # subsequent attempts will fail. Because glance goes not254        # require an image size to be declared before upload, this is255        # really the best it can do without an API change.256        image2 = self.create_image(name='second',257                                   container_format='bare',258                                   disk_format='raw',259                                   visibility='private')260        self.image_client.store_image_file(image2['id'],261                                           io.BytesIO(file_content))262        # Create and attempt to upload a third 1MiB image. This should fail to263        # upload (but not create) because we are over quota.264        image3 = self.create_image(name='third',265                                   container_format='bare',266                                   disk_format='raw',267                                   visibility='private')268        self.assertRaises(lib_exc.OverLimit,269                          self.image_client.store_image_file,270                          image3['id'], io.BytesIO(file_content))271        # Increase our size quota to 2MiB.272        self._update_limit('image_size_total', 2)273        # Now the upload of the already-created image is allowed, but274        # after completion, we are over quota again.275        self.image_client.store_image_file(image3['id'],276                                           io.BytesIO(file_content))277        # Create and attempt to upload a fourth 1MiB image. This should278        # fail to upload (but not create) because we are over quota.279        image4 = self.create_image(name='fourth',280                                   container_format='bare',281                                   disk_format='raw',282                                   visibility='private')283        self.assertRaises(lib_exc.OverLimit,284                          self.image_client.store_image_file,285                          image4['id'], io.BytesIO(file_content))286        # Delete our first image to make space in our existing 2MiB quota.287        self.image_client.delete_image(image1['id'])288        # Now the upload of the already-created image is allowed.289        self.image_client.store_image_file(image4['id'],290                                           io.BytesIO(file_content))291        # Delete all the images we created before the next test runs,292        # so that it starts with full quota.293        self._cleanup_images()294    @decorators.idempotent_id('fc76b8d9-aae5-46fb-9285-099e37f311f7')295    @utils.services('image', 'identity')296    def test_image_stage_quota(self):297        if not CONF.image_feature_enabled.import_image:298            skip_msg = (299                "%s skipped as image import is not available" % __name__)300            raise self.skipException(skip_msg)301        self.check_quotas_enabled()302        # Create a staging quota of 1MiB, allow 10MiB of active303        # images, and a total of ten images.304        self._update_limit('image_stage_total', 1)305        self._update_limit('image_size_total', 10)306        self._update_limit('image_count_total', 10)307        self._update_limit('image_count_uploading', 10)308        file_content = data_utils.random_bytes(1 * units.Mi)309        # Create and stage a 1MiB image.310        image1 = self.create_image(name='first',311                                   container_format='bare',312                                   disk_format='raw',313                                   visibility='private')314        self.image_client.stage_image_file(image1['id'],315                                           io.BytesIO(file_content))...
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