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How to use get_registered_limits method in tempest

Best Python code snippet using tempest_python

test_limit.py

Source:test_limit.py

...159        self.assertRaises(ValueError,160                          enforcer.calculate_usage,161                          'project', ['a', 123, 'b'])162    @mock.patch.object(limit._EnforcerUtils, "get_registered_limits")163    def test_get_registered_limits(self, mock_get_limits):164        mock_get_limits.return_value = [("a", 1), ("b", 0), ("c", 2)]165        enforcer = limit.Enforcer(lambda: None)166        limits = enforcer.get_registered_limits(["a", "b", "c"])167        mock_get_limits.assert_called_once_with(["a", "b", "c"])168        self.assertEqual(mock_get_limits.return_value, limits)169    @mock.patch.object(limit._EnforcerUtils, "get_project_limits")170    def test_get_project_limits(self, mock_get_limits):171        project_id = uuid.uuid4().hex172        mock_get_limits.return_value = [("a", 1), ("b", 0), ("c", 2)]173        enforcer = limit.Enforcer(lambda: None)174        limits = enforcer.get_project_limits(project_id, ["a", "b", "c"])175        mock_get_limits.assert_called_once_with(project_id, ["a", "b", "c"])176        self.assertEqual(mock_get_limits.return_value, limits)177class TestFlatEnforcer(base.BaseTestCase):178    def setUp(self):179        super(TestFlatEnforcer, self).setUp()180        self.mock_conn = mock.MagicMock()181        limit._SDK_CONNECTION = self.mock_conn182    @mock.patch.object(limit._EnforcerUtils, "get_registered_limits")183    def test_get_registered_limits(self, mock_get_limits):184        mock_get_limits.return_value = [("a", 1), ("b", 0), ("c", 2)]185        enforcer = limit._FlatEnforcer(lambda: None)186        limits = enforcer.get_registered_limits(["a", "b", "c"])187        mock_get_limits.assert_called_once_with(["a", "b", "c"])188        self.assertEqual(mock_get_limits.return_value, limits)189    @mock.patch.object(limit._EnforcerUtils, "get_project_limits")190    def test_get_project_limits(self, mock_get_limits):191        project_id = uuid.uuid4().hex192        mock_get_limits.return_value = [("a", 1), ("b", 0), ("c", 2)]193        enforcer = limit._FlatEnforcer(lambda: None)194        limits = enforcer.get_project_limits(project_id, ["a", "b", "c"])195        mock_get_limits.assert_called_once_with(project_id, ["a", "b", "c"])196        self.assertEqual(mock_get_limits.return_value, limits)197    @mock.patch.object(limit._EnforcerUtils, "get_project_limits")198    def test_enforce(self, mock_get_limits):199        mock_usage = mock.MagicMock()200        project_id = uuid.uuid4().hex201        deltas = {"a": 1, "b": 1}202        mock_get_limits.return_value = [("a", 1), ("b", 2)]203        mock_usage.return_value = {"a": 0, "b": 1}204        enforcer = limit._FlatEnforcer(mock_usage)205        enforcer.enforce(project_id, deltas)206        self.mock_conn.get_endpoint.assert_called_once_with(None)207        mock_get_limits.assert_called_once_with(project_id, ["a", "b"])208        mock_usage.assert_called_once_with(project_id, ["a", "b"])209    @mock.patch.object(limit._EnforcerUtils, "get_project_limits")210    def test_enforce_raises_on_over(self, mock_get_limits):211        mock_usage = mock.MagicMock()212        project_id = uuid.uuid4().hex213        deltas = {"a": 2, "b": 1}214        mock_get_limits.return_value = [("a", 1), ("b", 2)]215        mock_usage.return_value = {"a": 0, "b": 1}216        enforcer = limit._FlatEnforcer(mock_usage)217        e = self.assertRaises(exception.ProjectOverLimit, enforcer.enforce,218                              project_id, deltas)219        expected = ("Project %s is over a limit for "220                    "[Resource a is over limit of 1 due to current usage 0 "221                    "and delta 2]")222        self.assertEqual(expected % project_id, str(e))223        self.assertEqual(project_id, e.project_id)224        self.assertEqual(1, len(e.over_limit_info_list))225        over_a = e.over_limit_info_list[0]226        self.assertEqual("a", over_a.resource_name)227        self.assertEqual(1, over_a.limit)228        self.assertEqual(0, over_a.current_usage)229        self.assertEqual(2, over_a.delta)230    @mock.patch.object(limit._EnforcerUtils, "_get_project_limit")231    @mock.patch.object(limit._EnforcerUtils, "_get_registered_limit")232    def test_enforce_raises_on_missing_limit(self, mock_get_reglimit,233                                             mock_get_limit):234        def mock_usage(*a):235            return {'a': 1, 'b': 1}236        project_id = uuid.uuid4().hex237        deltas = {"a": 0, "b": 0}238        mock_get_reglimit.return_value = None239        mock_get_limit.return_value = None240        enforcer = limit._FlatEnforcer(mock_usage)241        self.assertRaises(exception.ProjectOverLimit, enforcer.enforce,242                          project_id, deltas)243        self.assertRaises(exception.ProjectOverLimit, enforcer.enforce,244                          None, deltas)245class TestEnforcerUtils(base.BaseTestCase):246    def setUp(self):247        super(TestEnforcerUtils, self).setUp()248        self.mock_conn = mock.MagicMock()249        limit._SDK_CONNECTION = self.mock_conn250    def test_get_endpoint(self):251        fake_endpoint = endpoint.Endpoint()252        self.mock_conn.get_endpoint.return_value = fake_endpoint253        utils = limit._EnforcerUtils()254        self.assertEqual(fake_endpoint, utils._endpoint)255        self.mock_conn.get_endpoint.assert_called_once_with(None)256    def test_get_registered_limit_empty(self):257        self.mock_conn.registered_limits.return_value = iter([])258        utils = limit._EnforcerUtils()259        reg_limit = utils._get_registered_limit("foo")260        self.assertIsNone(reg_limit)261    def test_get_registered_limit(self):262        foo = registered_limit.RegisteredLimit()263        foo.resource_name = "foo"264        self.mock_conn.registered_limits.return_value = iter([foo])265        utils = limit._EnforcerUtils()266        reg_limit = utils._get_registered_limit("foo")267        self.assertEqual(foo, reg_limit)268    def test_get_registered_limits(self):269        fake_endpoint = endpoint.Endpoint()270        fake_endpoint.service_id = "service_id"271        fake_endpoint.region_id = "region_id"272        self.mock_conn.get_endpoint.return_value = fake_endpoint273        # a and c have limits, b doesn't have one274        empty_iterator = iter([])275        a = registered_limit.RegisteredLimit()276        a.resource_name = "a"277        a.default_limit = 1278        a_iterator = iter([a])279        c = registered_limit.RegisteredLimit()280        c.resource_name = "c"281        c.default_limit = 2282        c_iterator = iter([c])283        self.mock_conn.registered_limits.side_effect = [a_iterator,284                                                        empty_iterator,285                                                        c_iterator]286        utils = limit._EnforcerUtils()287        limits = utils.get_registered_limits(["a", "b", "c"])288        self.assertEqual([('a', 1), ('b', 0), ('c', 2)], limits)289    def test_get_project_limits(self):290        fake_endpoint = endpoint.Endpoint()291        fake_endpoint.service_id = "service_id"292        fake_endpoint.region_id = "region_id"293        self.mock_conn.get_endpoint.return_value = fake_endpoint294        project_id = uuid.uuid4().hex295        # a is a project limit, b, c and d don't have one296        empty_iterator = iter([])297        a = klimit.Limit()298        a.resource_name = "a"299        a.resource_limit = 1300        a_iterator = iter([a])301        self.mock_conn.limits.side_effect = [a_iterator, empty_iterator,...

limit.py

Source:limit.py

...142        limits = self.model.get_project_limits(project_id, resources_to_check)143        usage = self.model.get_project_usage(project_id, resources_to_check)144        return {resource: ProjectUsage(limit, usage[resource])145                for resource, limit in limits}146    def get_registered_limits(self, resources_to_check):147        return self.model.get_registered_limits(resources_to_check)148    def get_project_limits(self, project_id, resources_to_check):149        return self.model.get_project_limits(project_id,150                                             resources_to_check)151class _FlatEnforcer(object):152    name = 'flat'153    def __init__(self, usage_callback, cache=True):154        self._usage_callback = usage_callback155        self._utils = _EnforcerUtils(cache=cache)156    def get_registered_limits(self, resources_to_check):157        return self._utils.get_registered_limits(resources_to_check)158    def get_project_limits(self, project_id, resources_to_check):159        return self._utils.get_project_limits(project_id, resources_to_check)160    def get_project_usage(self, project_id, resources_to_check):161        return self._usage_callback(project_id, resources_to_check)162    def enforce(self, project_id, deltas):163        resources_to_check = list(deltas.keys())164        # Always check the limits in the same order, for predictable errors165        resources_to_check.sort()166        project_limits = self.get_project_limits(project_id,167                                                 resources_to_check)168        current_usage = self.get_project_usage(project_id,169                                               resources_to_check)170        self._utils.enforce_limits(project_id, project_limits,171                                   current_usage, deltas)172class _StrictTwoLevelEnforcer(object):173    name = 'strict-two-level'174    def __init__(self, usage_callback, cache=True):175        self._usage_callback = usage_callback176    def get_registered_limits(self, resources_to_check):177        raise NotImplementedError()178    def get_project_limits(self, project_id, resources_to_check):179        raise NotImplementedError()180    def get_project_usage(self, project_id, resources_to_check):181        raise NotImplementedError()182    def enforce(self, project_id, deltas):183        raise NotImplementedError()184_MODELS = [_FlatEnforcer, _StrictTwoLevelEnforcer]185class _LimitNotFound(Exception):186    def __init__(self, resource):187        msg = "Can't find the limit for resource %(resource)s" % {188            'resource': resource}189        self.resource = resource190        super(_LimitNotFound, self).__init__(msg)191class _EnforcerUtils(object):192    """Logic common used by multiple enforcers"""193    def __init__(self, cache=True):194        self.connection = _get_keystone_connection()195        self.should_cache = cache196        # {project_id: {resource_name: project_limit}}197        self.plimit_cache = defaultdict(dict)198        # {resource_name: registered_limit}199        self.rlimit_cache = {}200        # get and cache endpoint info201        endpoint_id = CONF.oslo_limit.endpoint_id202        self._endpoint = self.connection.get_endpoint(endpoint_id)203        if not self._endpoint:204            raise ValueError("can't find endpoint for %s" % endpoint_id)205        self._service_id = self._endpoint.service_id206        self._region_id = self._endpoint.region_id207    @staticmethod208    def enforce_limits(project_id, limits, current_usage, deltas):209        """Check that proposed usage is not over given limits210        :param project_id: project being checked or None211        :param limits: list of (resource_name,limit) pairs212        :param current_usage: dict of resource name and current usage213        :param deltas: dict of resource name and proposed additional usage214        :raises exception.ClaimExceedsLimit: raise if over limit215        """216        over_limit_list = []217        for resource_name, limit in limits:218            if resource_name not in current_usage:219                msg = "unable to get current usage for %s" % resource_name220                raise ValueError(msg)221            current = int(current_usage[resource_name])222            delta = int(deltas[resource_name])223            proposed_usage_total = current + delta224            if proposed_usage_total > limit:225                over_limit_list.append(exception.OverLimitInfo(226                    resource_name, limit, current, delta))227        if len(over_limit_list) > 0:228            LOG.debug("hit limit for project: %s", over_limit_list)229            raise exception.ProjectOverLimit(project_id, over_limit_list)230    def get_registered_limits(self, resource_names):231        """Get all the default limits for a given resource name list232        :param resource_names: list of resource_name strings233        :return: list of (resource_name, limit) pairs234        """235        # Using a list to preserve the resource_name order236        registered_limits = []237        for resource_name in resource_names:238            reg_limit = self._get_registered_limit(resource_name)239            if reg_limit:240                limit = reg_limit.default_limit241            else:242                limit = 0243            registered_limits.append((resource_name, limit))244        return registered_limits...

limits_client.py

Source:limits_client.py

...14from oslo_serialization import jsonutils as json15from tempest.lib.common import rest_client16class LimitsClient(rest_client.RestClient):17    api_version = "v3"18    def get_registered_limits(self):19        """Lists all registered limits."""20        resp, body = self.get('registered_limits')21        self.expected_success(200, resp.status)22        return rest_client.ResponseBody(resp, json.loads(body))23    def create_limit(self, region_id, service_id, project_id, resource_name,24                     default_limit, description=None, domain_id=None):25        """Creates a limit in keystone."""26        limit = {27            'service_id': service_id,28            'project_id': project_id,29            'resource_name': resource_name,30            'resource_limit': default_limit,31            'region_id': region_id,32            'description': description or '%s limit for %s' % (...

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