diff options
Diffstat (limited to 'components')
9 files changed, 144 insertions, 114 deletions
diff --git a/components/pm-subscription-handler/Changelog.md b/components/pm-subscription-handler/Changelog.md index 5fe19ba0..f02fc5eb 100755 --- a/components/pm-subscription-handler/Changelog.md +++ b/components/pm-subscription-handler/Changelog.md @@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/). * Created Schema definitions in swagger file according to the new structure (DCAEGEN2-2889) * Implemented Create Subscription public API (DCAEGEN2-2819) * Added 2 new attributes to the subscription model (DCAEGEN2-2913) +* Read subscription API by using subscription name (DCAEGEN2-2818) ## [1.3.2] ### Changed diff --git a/components/pm-subscription-handler/pmsh_service/mod/api/controller.py b/components/pm-subscription-handler/pmsh_service/mod/api/controller.py index 8af6c777..80d86362 100755 --- a/components/pm-subscription-handler/pmsh_service/mod/api/controller.py +++ b/components/pm-subscription-handler/pmsh_service/mod/api/controller.py @@ -16,7 +16,6 @@ # SPDX-License-Identifier: Apache-2.0 # ============LICENSE_END===================================================== -from mod.subscription import Subscription from http import HTTPStatus from mod import logger from mod.api.services import subscription_service @@ -37,16 +36,6 @@ def status(): return {'status': 'healthy'} -def get_all_sub_to_nf_relations(): - """ Retrieves all subscription to nf relations - - Returns: - list: of Subscriptions and it's related Network Functions, else empty - """ - subs_dict = [s.serialize() for s in Subscription.get_all()] - return subs_dict - - def post_subscription(body): """ Creates a subscription @@ -76,3 +65,34 @@ def post_subscription(body): exc_info=True) response = e.invalid_message, HTTPStatus.BAD_REQUEST.value return response + + +def get_subscription_by_name(subscription_name): + """ + Retrieves subscription based on the name + + Args: + subscription_name (String): Name of the subscription. + + Returns: + success: dict of single Subscription, 200 + None: subscription not defined, 404 + Exception: Details about exception, 500 + """ + logger.info('API call received to fetch subscription by name') + try: + subscription = subscription_service.get_subscription_by_name(subscription_name) + if subscription is not None: + logger.info(f'subscription object with the name "{subscription_name}" ' + 'was fetched successfully from database') + return subscription.serialize(), HTTPStatus.OK + else: + logger.error(f'subscription object with the name "{subscription_name}" ' + 'was un successful to fetch from database') + return {'error': 'Subscription was not defined with the name : ' + f'{subscription_name}'}, HTTPStatus.NOT_FOUND + except Exception as exception: + logger.error(f'The following exception occurred "{exception}" while fetching subscription ' + f'with the name "{subscription_name}"') + return {'error': 'Request was not processed due to Exception : ' + f'{exception}'}, HTTPStatus.INTERNAL_SERVER_ERROR diff --git a/components/pm-subscription-handler/pmsh_service/mod/api/db_models.py b/components/pm-subscription-handler/pmsh_service/mod/api/db_models.py index 49ca0581..96a803ba 100755 --- a/components/pm-subscription-handler/pmsh_service/mod/api/db_models.py +++ b/components/pm-subscription-handler/pmsh_service/mod/api/db_models.py @@ -38,7 +38,7 @@ class SubscriptionModel(db.Model): network_filter = relationship( 'NetworkFunctionFilterModel', cascade='all, delete-orphan', - backref='subscription') + backref='subscription', uselist=False) measurement_groups = relationship( 'MeasurementGroupModel', @@ -63,14 +63,12 @@ class SubscriptionModel(db.Model): return False def serialize(self): - sub_nfs = NfSubRelationalModel.query.filter( - NfSubRelationalModel.subscription_name == self.subscription_name).all() - db.session.remove() - return {'subscription_name': self.subscription_name, - 'operational_policy_name': self.operational_policy_name, - 'control_loop_name': self.control_loop_name, - 'subscription_status': self.status, - 'network_functions': [sub_nf.serialize_nf() for sub_nf in sub_nfs]} + return {'subscription': {'subscriptionName': self.subscription_name, + 'operationalPolicyName': self.operational_policy_name, + 'controlLoopName': self.control_loop_name, + 'nfFilter': self.network_filter.serialize(), + 'measurementGroups': + [mg.serialize() for mg in self.measurement_groups]}} class NetworkFunctionModel(db.Model): @@ -141,7 +139,7 @@ class NfSubRelationalModel(db.Model): def __repr__(self): return f'subscription_name: {self.subscription_name}, ' \ - f'nf_name: {self.nf_name}, nf_sub_status: {self.nf_sub_status}' + f'nf_name: {self.nf_name}, nf_sub_status: {self.nf_sub_status}' def serialize(self): return {'subscription_name': self.subscription_name, 'nf_name': self.nf_name, @@ -185,12 +183,11 @@ class NetworkFunctionFilterModel(db.Model): def __repr__(self): return f'subscription_name: {self.subscription_name}, ' \ - f'nf_names: {self.nf_names}, model_invariant_ids: {self.model_invariant_ids}' \ + f'nf_names: {self.nf_names}, model_invariant_ids: {self.model_invariant_ids}' \ f'model_version_ids: {self.model_version_ids}, model_names: {self.model_names}' def serialize(self): - return {'subscriptionName': self.subscription_name, - 'nfNames': convert_db_string_to_list(self.nf_names), + return {'nfNames': convert_db_string_to_list(self.nf_names), 'modelInvariantIDs': convert_db_string_to_list(self.model_invariant_ids), 'modelVersionIDs': convert_db_string_to_list(self.model_version_ids), 'modelNames': convert_db_string_to_list(self.model_names)} @@ -231,13 +228,12 @@ class MeasurementGroupModel(db.Model): f'managed_object_dns_basic: {self.managed_object_dns_basic}' def serialize(self): - return {'subscription_name': self.subscription_name, - 'measurement_group_name': self.measurement_group_name, - 'administrative_state': self.administrative_state, - 'file_based_gp': self.file_based_gp, - 'file_location': self.file_location, - 'measurement_type': self.measurement_type, - 'managed_object_dns_basic': self.managed_object_dns_basic} + return {'measurementGroup': {'measurementGroupName': self.measurement_group_name, + 'administrativeState': self.administrative_state, + 'fileBasedGP': self.file_based_gp, + 'fileLocation': self.file_location, + 'measurementTypes': self.measurement_type, + 'managedObjectDNsBasic': self.managed_object_dns_basic}} class NfMeasureGroupRelationalModel(db.Model): @@ -267,7 +263,7 @@ class NfMeasureGroupRelationalModel(db.Model): def __repr__(self): return f'measurement_grp_name: {self.measurement_grp_name}, ' \ - f'nf_name: {self.nf_name}, nf_measure_grp_status: {self.nf_measure_grp_status}' + f'nf_name: {self.nf_name}, nf_measure_grp_status: {self.nf_measure_grp_status}' def convert_db_string_to_list(db_string): diff --git a/components/pm-subscription-handler/pmsh_service/mod/api/pmsh_swagger.yml b/components/pm-subscription-handler/pmsh_service/mod/api/pmsh_swagger.yml index 11cea4ee..f27fb7ab 100644 --- a/components/pm-subscription-handler/pmsh_service/mod/api/pmsh_swagger.yml +++ b/components/pm-subscription-handler/pmsh_service/mod/api/pmsh_swagger.yml @@ -31,46 +31,6 @@ schemes: - http # Paths supported by the server application paths: - /subscriptions: - get: - description: >- - Get all defined Subscriptions and their related Network Functions from ONAP. - operationId: mod.api.controller.get_all_sub_to_nf_relations - responses: - 200: - description: OK; Array of subscriptions are returned as an object - schema: - type: array - items: - type: object - properties: - subscription_name: - type: string - description: Name of the Subscription - subscription_status: - type: string - description: Status of the Subscription - network_functions: - type: array - items: - type: object - properties: - nf_name: - type: string - description: Name of the Network Function - nf_sub_status: - type: string - description: Status of the Subscription on the Network Function - orchestration_status: - type: string - description: Orchestration status of the Network Function - 401: - description: Unauthorized - 403: - description: Forbidden - 404: - description: there are no subscriptions defined - /healthcheck: get: operationId: mod.api.controller.status @@ -112,6 +72,28 @@ paths: 400: description: Invalid input + /subscription/{subscription_name}: + get: + description: Get the Subscription from ONAP specified by Name + operationId: mod.api.controller.get_subscription_by_name + tags: + - "Subscription" + parameters: + - name: subscription_name + in: path + required: true + description: Name of the subscription + type: string + responses: + 200: + description: OK; Requested Subscription was returned + schema: + $ref : "#/definitions/subscription" + 404: + description: Subscription with specified name not found + 500: + description: Exception occurs while querying database + definitions: subscription: type: object diff --git a/components/pm-subscription-handler/pmsh_service/mod/api/services/subscription_service.py b/components/pm-subscription-handler/pmsh_service/mod/api/services/subscription_service.py index ea1640c2..c41bb18b 100644 --- a/components/pm-subscription-handler/pmsh_service/mod/api/services/subscription_service.py +++ b/components/pm-subscription-handler/pmsh_service/mod/api/services/subscription_service.py @@ -23,6 +23,7 @@ from mod.api.services import measurement_group_service, nf_service from mod.api.custom_exception import InvalidDataException, DuplicateDataException from mod.subscription import AdministrativeState from sqlalchemy.exc import IntegrityError +from sqlalchemy.orm import joinedload def create_subscription(subscription): @@ -203,7 +204,7 @@ def save_subscription_request(subscription): subscription (dict): subscription request to be saved. Returns: - string: Subscription name + SubscriptionModel: subscription object which was added to the session list[MeasurementGroupModel]: list of measurement groups """ logger.info(f'Saving subscription request for: {subscription["subscriptionName"]}') @@ -289,3 +290,22 @@ def save_nf_filter(nf_filter, subscription_name): model_version_ids=nf_filter['modelVersionIDs'], model_names=nf_filter['modelNames']) db.session.add(new_filter) + + +def get_subscription_by_name(subscription_name): + """ + Retrieves the subscription information by name + + Args: + subscription_name (String): Name of the Subscription + + Returns: + SubscriptionModel: If subscription was defined else None + """ + logger.info(f'Attempting to fetch subscription by name: {subscription_name}') + subscription_model = db.session.query(SubscriptionModel) \ + .options(joinedload(SubscriptionModel.network_filter), + joinedload(SubscriptionModel.measurement_groups)) \ + .filter_by(subscription_name=subscription_name).first() + db.session.remove() + return subscription_model diff --git a/components/pm-subscription-handler/pmsh_service/mod/subscription.py b/components/pm-subscription-handler/pmsh_service/mod/subscription.py index bdfed189..603343f0 100755 --- a/components/pm-subscription-handler/pmsh_service/mod/subscription.py +++ b/components/pm-subscription-handler/pmsh_service/mod/subscription.py @@ -202,18 +202,6 @@ class Subscription: db.session.remove() return sub_model.status - @staticmethod - def get_all(): - """ Retrieves a list of subscriptions - - Returns: - list(SubscriptionModel): Subscriptions list else empty - """ - - sub_models = SubscriptionModel.query.all() - db.session.remove() - return sub_models - def create_subscription_on_nfs(self, nfs, mr_pub): """ Publishes an event to create a Subscription on an nf diff --git a/components/pm-subscription-handler/tests/base_setup.py b/components/pm-subscription-handler/tests/base_setup.py index e422ceac..4328f59c 100755 --- a/components/pm-subscription-handler/tests/base_setup.py +++ b/components/pm-subscription-handler/tests/base_setup.py @@ -15,12 +15,14 @@ # # SPDX-License-Identifier: Apache-2.0 # ============LICENSE_END===================================================== +import copy import json import os from unittest import TestCase from unittest.mock import patch, MagicMock from mod import create_app, db +from mod.api.db_models import NetworkFunctionFilterModel, MeasurementGroupModel, SubscriptionModel from mod.network_function import NetworkFunctionFilter from mod.pmsh_utils import AppConfig from mod.pmsh_config import AppConfig as NewAppConfig @@ -31,6 +33,24 @@ def get_pmsh_config(file_path='data/cbs_data_1.json'): return json.load(data) +def subscription_data(subscription_name): + nf_filter = NetworkFunctionFilterModel(subscription_name, '{^pnf.*,^vnf.*}', + '{}', '{}', '{}') + mg_first = MeasurementGroupModel(subscription_name, 'MG1', 'UNLOCKED', 15, '/pm/pm.xml', + '[{ "measurementType": "countera" }, ' + '{ "measurementType": "counterb" }]', + '[{ "DN":"dna"},{"DN":"dnb"}]') + mg_second = copy.deepcopy(mg_first) + mg_second.measurement_group_name = 'MG2' + mg_second.administrative_state = 'LOCKED' + mg_list = [mg_first, mg_second] + subscription_model = SubscriptionModel(subscription_name, 'pmsh_operational_policy', + 'pmsh_control_loop_name', 'LOCKED') + subscription_model.network_filter = nf_filter + subscription_model.measurement_groups = mg_list + return subscription_model + + class BaseClassSetup(TestCase): app = None app_context = None diff --git a/components/pm-subscription-handler/tests/test_controller.py b/components/pm-subscription-handler/tests/test_controller.py index a3a28163..7bd72a29 100755 --- a/components/pm-subscription-handler/tests/test_controller.py +++ b/components/pm-subscription-handler/tests/test_controller.py @@ -18,14 +18,15 @@ import json import os from unittest.mock import patch, MagicMock -import responses -from requests import Session +from http import HTTPStatus + from mod import aai_client -from mod.api.controller import status, get_all_sub_to_nf_relations, post_subscription +from mod.api.controller import status, post_subscription, get_subscription_by_name from tests.base_setup import BaseClassSetup from mod.api.db_models import SubscriptionModel, NfMeasureGroupRelationalModel from mod.subscription import SubNfState from mod.network_function import NetworkFunctionFilter +from tests.base_setup import subscription_data class ControllerTestCase(BaseClassSetup): @@ -55,26 +56,6 @@ class ControllerTestCase(BaseClassSetup): def test_status_response_healthy(self): self.assertEqual(status()['status'], 'healthy') - @patch.object(Session, 'get') - @patch.object(Session, 'put') - def test_get_all_sub_to_nf_relations(self, mock_put_session, mock_get_session): - mock_put_session.return_value.status_code = 200 - mock_put_session.return_value.text = self.aai_response_data - mock_get_session.return_value.status_code = 200 - mock_get_session.return_value.text = self.good_model_info - responses.add(responses.GET, - 'https://aai:8443/aai/v20/service-design-and-creation/models/model/' - '7129e420-d396-4efb-af02-6b83499b12f8/model-vers/model-ver/' - 'e80a6ae3-cafd-4d24-850d-e14c084a5ca9', - json=json.loads(self.good_model_info), status=200) - self.xnfs = aai_client.get_pmsh_nfs_from_aai(self.app_conf, self.app_conf.nf_filter) - sub_model = self.app_conf.subscription.get() - for nf in self.xnfs: - self.app_conf.subscription.add_network_function_to_subscription(nf, sub_model) - all_subs = get_all_sub_to_nf_relations() - self.assertEqual(len(all_subs[0]['network_functions']), 3) - self.assertEqual(all_subs[0]['subscription_name'], 'ExtraPM-All-gNB-R2B') - def create_test_subs(self, new_sub_name, new_msrmt_grp_name): subscription = self.subscription_request.replace('ExtraPM-All-gNB-R2B', new_sub_name) subscription = subscription.replace('msrmt_grp_name', new_msrmt_grp_name) @@ -129,3 +110,31 @@ class ControllerTestCase(BaseClassSetup): response = post_subscription(subscription) self.assertEqual(response[1], 400) self.assertEqual(response[0], 'No value provided in subscription name') + + @patch('mod.api.services.subscription_service.get_subscription_by_name', + MagicMock(return_value=subscription_data('sub_demo'))) + def test_get_subscription_by_name_api(self): + sub, status_code = get_subscription_by_name('sub_demo') + self.assertEqual(status_code, HTTPStatus.OK) + self.assertEqual(sub['subscription']['subscriptionName'], 'sub_demo') + self.assertEqual(sub['subscription']['nfFilter']['nfNames'], + ['^pnf.*', '^vnf.*']) + self.assertEqual(sub['subscription']['controlLoopName'], + 'pmsh_control_loop_name') + self.assertEqual(len(sub['subscription']['measurementGroups']), 2) + self.assertEqual(sub['subscription']['operationalPolicyName'], + 'pmsh_operational_policy') + + @patch('mod.api.services.subscription_service.get_subscription_by_name', + MagicMock(return_value=None)) + def test_get_subscription_by_name_api_error(self): + sub, status_code = get_subscription_by_name('sub_demo') + self.assertEqual(status_code, HTTPStatus.NOT_FOUND) + self.assertEqual(sub['error'], + 'Subscription was not defined with the name : sub_demo') + + @patch('mod.api.services.subscription_service.get_subscription_by_name', + MagicMock(side_effect=Exception('something failed'))) + def test_get_subscription_by_name_api_exception(self): + sub, status_code = get_subscription_by_name('sub_demo') + self.assertEqual(status_code, HTTPStatus.INTERNAL_SERVER_ERROR) diff --git a/components/pm-subscription-handler/tests/test_subscription.py b/components/pm-subscription-handler/tests/test_subscription.py index 538baf39..5c40c4fd 100755 --- a/components/pm-subscription-handler/tests/test_subscription.py +++ b/components/pm-subscription-handler/tests/test_subscription.py @@ -75,12 +75,6 @@ class SubscriptionTest(BaseClassSetup): self.app_conf.subscription.add_network_function_to_subscription(list(self.xnfs)[1], self.sub_model) - def test_create_existing_subscription(self): - sub1 = self.app_conf.subscription.create() - same_sub1 = self.app_conf.subscription.create() - self.assertEqual(sub1, same_sub1) - self.assertEqual(1, len(self.app_conf.subscription.get_all())) - def test_add_duplicate_network_functions_per_subscription(self): self.app_conf.subscription.add_network_function_to_subscription(list(self.xnfs)[0], self.sub_model) |