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# -------------------------------------------------------------------------
# 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.
#
# -------------------------------------------------------------------------
import json
import os
BASE_DIR = os.path.dirname(__file__)
"""
This application generates NST SELECTION API calls using the information received from SO
"""
def get_nst_solution(request_json):
# the file is in the same folder for now will move it to the conf folder of the has once its integrated there...
config_input_json = os.path.join(BASE_DIR, 'conf/configIinputs.json')
try:
with open(config_input_json, 'r') as openfile:
serviceProfile = request_json["serviceProfile"]
nstSolutionList = []
resourceName = "NST"
serviceProfileParameters = serviceProfile["serviceProfileParameters"]
nst_object = json.load(openfile)
for nst in nst_object[resourceName]:
[(nstName, nstList)] = nst.items()
individual_nst = dict()
matchall = False
for constraint_name in serviceProfileParameters:
value = serviceProfileParameters[constraint_name]
constraint_value = nstList.get(constraint_name)
if (not constraint_value):
matchall = False
break
else:
matchall = True
if matchall:
individual_nst["NSTName"] = nstList.get("name")
individual_nst["UUID"] = nstList.get("modeluuid")
individual_nst["invariantUUID"] = nstList.get("modelinvariantuuid")
individual_nst["individual_nst"] = 1
nstSolutionList.append(individual_nst)
return nstSolutionList
except Exception as err:
raise err
def process_nst_selection( request_json, osdf_config):
"""
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
"""
solution = get_nst_solution(request_json)
return {
"requestId" : request_json['requestInfo']['requestId'],
"transactionId" : request_json['requestInfo']['transactionId'],
"statusMessage" : " ",
"requestStatus" : "accepted",
"solutions" : solution
}
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