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-rw-r--r--apps/nsst/__init__.py0
-rw-r--r--apps/nsst/models/api/nsstSelectionRequest.py43
-rw-r--r--apps/nsst/optimizers/__init__.py0
-rw-r--r--apps/nsst/optimizers/conf/configIinputs.json53
-rw-r--r--apps/nsst/optimizers/nsst_select_processor.py155
5 files changed, 251 insertions, 0 deletions
diff --git a/apps/nsst/__init__.py b/apps/nsst/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/nsst/__init__.py
diff --git a/apps/nsst/models/api/nsstSelectionRequest.py b/apps/nsst/models/api/nsstSelectionRequest.py
new file mode 100644
index 0000000..3355ea2
--- /dev/null
+++ b/apps/nsst/models/api/nsstSelectionRequest.py
@@ -0,0 +1,43 @@
+# -------------------------------------------------------------------------
+# Copyright (c) 2020 Huawei Intellectual Property
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+from osdf.models.api.common import OSDFModel
+from schematics.types import BaseType
+from schematics.types.compound import DictType
+from schematics.types.compound import ModelType
+from schematics.types import IntType
+from schematics.types import StringType
+from schematics.types import URLType
+
+
+class RequestInfo(OSDFModel):
+ """Info for northbound request from client such as SO"""
+
+ transactionId = StringType(required=True)
+ requestId = StringType(required=True)
+ callbackUrl = URLType(required=True)
+ callbackHeader = DictType(BaseType)
+ sourceId = StringType(required=True)
+ timeout = IntType()
+
+
+class NSSTSelectionAPI(OSDFModel):
+ """Request for NST selection """
+
+ requestInfo = ModelType(RequestInfo, required=True)
+ sliceProfile = DictType(BaseType)
diff --git a/apps/nsst/optimizers/__init__.py b/apps/nsst/optimizers/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/apps/nsst/optimizers/__init__.py
diff --git a/apps/nsst/optimizers/conf/configIinputs.json b/apps/nsst/optimizers/conf/configIinputs.json
new file mode 100644
index 0000000..11247bb
--- /dev/null
+++ b/apps/nsst/optimizers/conf/configIinputs.json
@@ -0,0 +1,53 @@
+{
+ "NST": [{
+ "NST1 ": {
+ "name": "EmbbNst",
+ "id": "EmbbNst_1",
+ "latency": 20,
+ "uplink": 5,
+ "downlink": 8,
+ "reliability": 95,
+ "areaTrafficCapDL": 10,
+ "areaTrafficCapUL": 100,
+ "maxNumberofUEs": 10000,
+ "areas": " area1|area2",
+ "expDataRateDL": 10,
+ "expDataRateUL": 1000,
+ "uEMobilityLevel": "stationary",
+ "resourceSharingLevel": "shared",
+ "skip_post_instantiation_configuration": "true",
+ "controller_actor": "SO-REF-DATA",
+ "sNSSAI": "01-3226E7D1",
+ "pLMNIdList": "39-00",
+ "sST": "embb",
+ "uEMobilityLevel": "stationary",
+ "activityFactor": "0",
+ "coverageAreaTAList": "Beijing;Beijing;HaidanDistrict;WanshouluStreet",
+ "modeluuid": "fe6c82b9-4e53-4322-a671-e2d8637bfbb7",
+ "modelinvariantuuid": "7d7df980-cb81-45f8-bad9-4e5ad2876393"
+
+ }
+ },
+ {
+ "NST2 ": {
+ "name": "NST_2",
+ "id": "NST_2_id",
+ "latency": 3,
+ "uplink": 7,
+ "downlink": 1,
+ "areaTrafficCapDL": 100,
+ "areaTrafficCapUL": 100,
+ "maxNumberofUEs": 300,
+ "areas": " area1|area2",
+ "expDataRateDL": 10,
+ "expDataRateUL": 30,
+ "uEMobilityLevel": "stationary",
+ "resourceSharingLevel": "shared",
+ "skip_post_instantiation_configuration": "true",
+ "controller_actor": "SO-REF-DATA",
+ "modeluuid": "7981375e-5e0a-4bf5-93fa-f3e3c02f2b15",
+ "modelinvariantuuid": "087f11b4-aca0-4341-8104-e5bb2b73285g"
+ }
+ }
+ ]
+}
diff --git a/apps/nsst/optimizers/nsst_select_processor.py b/apps/nsst/optimizers/nsst_select_processor.py
new file mode 100644
index 0000000..90f40f2
--- /dev/null
+++ b/apps/nsst/optimizers/nsst_select_processor.py
@@ -0,0 +1,155 @@
+# -------------------------------------------------------------------------
+# Copyright (c) 2020 Huawei Intellectual Property
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# -------------------------------------------------------------------------
+
+"""
+This application generates NST SELECTION API calls using the information received from SO
+"""
+import os
+from osdf.adapters.conductor import conductor
+from osdf.adapters.policy.interface import get_policies
+from osdf.logging.osdf_logging import debug_log
+from osdf.logging.osdf_logging import error_log
+from osdf.utils.interfaces import get_rest_client
+from requests import RequestException
+from threading import Thread
+import traceback
+BASE_DIR = os.path.dirname(__file__)
+
+
+# This is the class for NST Selection
+
+
+class NsstSelection(Thread):
+
+ def __init__(self, osdf_config, request_json):
+ super().__init__()
+ self.osdf_config = osdf_config
+ self.request_json = request_json
+ self.request_info = self.request_json['requestInfo']
+ self.request_info['numSolutions'] = 1
+
+ def run(self):
+ self.process_nsst_selection()
+
+ def process_nsst_selection(self):
+ """Process a PCI request from a Client (build config-db, policy and API call, make the call, return result)
+
+ :param req_object: Request parameters from the client
+ :param osdf_config: Configuration specific to OSDF application (core + deployment)
+ :return: response from NST Opt
+ """
+ try:
+ rest_client = get_rest_client(self.request_json, service='so')
+ solution = self.get_nsst_solution()
+ except Exception as err:
+ error_log.error("Error for {} {}".format(self.request_info.get('requestId'),
+ traceback.format_exc()))
+ error_message = str(err)
+ solution = self.error_response(error_message)
+
+ try:
+ rest_client.request(json=solution, noresponse=True)
+ except RequestException:
+ error_log.error("Error sending asynchronous notification for {} {}".
+ format(self.request_info['requestId'], traceback.format_exc()))
+
+ def get_nsst_solution(self):
+ """the file is in the same folder for now will move it to the conf folder of the has once its
+
+ integrated there...
+ """
+ req_info = self.request_json['requestInfo']
+ requirements = self.request_json['sliceProfile']
+ model_name = "nsst"
+ policies = self.get_app_policies(model_name, "nsst_selection")
+ conductor_response = self.get_conductor(req_info, requirements, policies, model_name)
+ return conductor_response
+
+ def get_nsst_selection_response(self, solutions):
+ """Get NST selection response from final solution
+
+ :param solutions: final solutions
+ :return: NST selection response to send back as dictionary
+ """
+ return {'requestId': self.request_info['requestId'],
+ 'transactionId': self.request_info['transactionId'],
+ 'requestStatus': 'completed',
+ 'statusMessage': '',
+ 'solutions': solutions}
+
+ def error_response(self, error_message):
+ """Form response message from the error message
+
+ :param error_message: error message while processing the request
+ :return: response json as dictionary
+ """
+ return {'requestId': self.request_info['requestId'],
+ 'transactionId': self.request_info['transactionId'],
+ 'requestStatus': 'error',
+ 'statusMessage': error_message}
+
+ def get_app_policies(self, model_name, app_name):
+ policy_request_json = self.request_json.copy()
+ policy_request_json['serviceInfo'] = {'serviceName': model_name}
+ debug_log.debug("policy_request_json {}".format(str(policy_request_json)))
+ return get_policies(policy_request_json, app_name) # app_name: nsst_selection
+
+ def get_conductor(self, req_info, request_parameters, policies, model_name):
+ demands = [
+ {
+ "resourceModuleName": model_name,
+ "resourceModelInfo": {}
+ }
+ ]
+
+ try:
+ template_fields = {
+ 'location_enabled': False,
+ 'version': '2020-08-13'
+ }
+ resp = conductor.request(req_info, demands, request_parameters, {}, template_fields,
+ self.osdf_config, policies)
+ except RequestException as e:
+ resp = e.response.json()
+ error = resp['plans'][0]['message']
+ if "Unable to find any" in error:
+ return self.get_nsst_selection_response([])
+ error_log.error('Error from conductor {}'.format(error))
+ return self.error_response(error)
+ debug_log.debug("Response from conductor in get_conductor method {}".format(str(resp)))
+ recommendations = resp["plans"][0].get("recommendations")
+ return self.process_response(recommendations, model_name)
+
+ def process_response(self, recommendations, model_name):
+ """Process conductor response to form the response for the API request
+
+ :param recommendations: recommendations from conductor
+ :return: response json as a dictionary
+ """
+ if not recommendations:
+ return self.get_nsst_selection_response([])
+ solutions = [self.get_solution_from_candidate(rec[model_name]['candidate'])
+ for rec in recommendations]
+ return self.get_nsst_selection_response(solutions)
+
+ def get_solution_from_candidate(self, candidate):
+ if candidate['inventory_type'] == 'nsst':
+ return {
+ 'UUID': candidate['model_version_id'],
+ 'invariantUUID': candidate['model_invariant_id'],
+ 'NSSTName': candidate['model_name'],
+ }