lcm/ns/views/sol/ns_instances_views.py

   1 # Copyright 2019 ZTE Corporation.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #         http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 import logging
  16 import traceback
  17
  18 from drf_yasg.utils import swagger_auto_schema
  19 from rest_framework import status
  20 from rest_framework.response import Response
  21 from rest_framework.views import APIView
  22
  23 from lcm.ns.serializers.sol.create_ns_serializers import CreateNsRequestSerializer
  24 from lcm.ns.serializers.sol.ns_instance import NsInstanceSerializer
  25 from lcm.pub.exceptions import BadRequestException, NSLCMException
  26 from lcm.pub.utils.values import ignore_case_get
  27 from lcm.ns.biz.ns_create import CreateNSService
  28 from lcm.ns.biz.ns_get import GetNSInfoService
  29
  30 logger = logging.getLogger(__name__)
  31
  32
  33 class NSInstancesView(APIView):
  34     @swagger_auto_schema(
  35         request_body=None,
  36         responses={
  37             status.HTTP_200_OK: NsInstanceSerializer(help_text="NS instances", many=True),
  38             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  39         }
  40     )
  41     def get(self, request):
  42         logger.debug(request.query_params)
  43         try:
  44             logger.debug("CreateNSView::get")
  45             ret = GetNSInfoService().get_ns_info()  # todo
  46             logger.debug("CreateNSView::get::ret=%s", ret)
  47             resp_serializer = NsInstanceSerializer(data=ret, many=True)
  48             if not resp_serializer.is_valid():
  49                 raise NSLCMException(resp_serializer.errors)
  50             return Response(data=resp_serializer.data, status=status.HTTP_200_OK)
  51         except Exception as e:
  52             logger.error(traceback.format_exc())
  53             logger.error("Exception in GetNS: %s", e.message)
  54             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  55
  56     @swagger_auto_schema(
  57         request_body=CreateNsRequestSerializer(),
  58         responses={
  59             status.HTTP_201_CREATED: NsInstanceSerializer(),
  60             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  61         }
  62     )
  63     def post(self, request):
  64         logger.debug("Enter NSInstancesView::POST ns_instances: Header:%s, Body: %s" % (request.META, request.data))
  65         try:
  66             globalCustomerId = request.META.get("HTTP_GLOBALCUSTOMERID ", None)
  67             if not globalCustomerId:
  68                 raise BadRequestException("Not found globalCustomerId in header")
  69             req_serializer = CreateNsRequestSerializer(data=request.data)
  70             if not req_serializer.is_valid():
  71                 raise BadRequestException(req_serializer.errors)
  72
  73             if ignore_case_get(request.data, 'test') == "test":
  74                 return Response(data={'nsInstanceId': "test"}, status=status.HTTP_201_CREATED)
  75             csar_id = ignore_case_get(request.data, 'nsdId')
  76             ns_name = ignore_case_get(request.data, 'nsName')
  77             description = ignore_case_get(request.data, 'description')
  78             context = {
  79                 "globalCustomerId": globalCustomerId,
  80                 "serviceType": "NetworkService"
  81             }
  82             ns_inst_id = CreateNSService(csar_id, ns_name, description, context).do_biz()
  83             logger.debug("CreateNSView::post::ret={'nsInstanceId':%s}", ns_inst_id)
  84             ns_filter = {"ns_inst_id": ns_inst_id}
  85             nsInstance = GetNSInfoService(ns_filter).get_ns_info()[0]  # todo
  86             resp_serializer = NsInstanceSerializer(data=nsInstance)
  87             if not resp_serializer.is_valid():
  88                 raise NSLCMException(resp_serializer.errors)
  89             return Response(data=resp_serializer.data, status=status.HTTP_201_CREATED)
  90         except BadRequestException as e:
  91             logger.error("Exception in CreateNS: %s", e.message)
  92             data = {'status': status.HTTP_400_BAD_REQUEST, 'detail': e.message}
  93             return Response(data=data, status=status.HTTP_400_BAD_REQUEST)
  94         except Exception as e:
  95             logger.error("Exception in CreateNS: %s", e.message)
  96             data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message}
  97             return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  98
  99
 100 class IndividualNsInstanceView(APIView):
 101     @swagger_auto_schema(
 102         request_body=None,
 103         responses={
 104             status.HTTP_200_OK: NsInstanceSerializer(help_text="NS instances", many=True),
 105             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
 106         }
 107     )
 108     def get(self, request, ns_instance_id):
 109         logger.debug("Enter IndividualNsInstanceView::get ns(%s)", ns_instance_id)
 110         # todo
 111         return Response(data={}, status=status.HTTP_200_OK)
 112
 113     @swagger_auto_schema(
 114         request_body=None,
 115         responses={
 116             status.HTTP_204_NO_CONTENT: None
 117         }
 118     )
 119     def delete(self, request, ns_instance_id):
 120         logger.debug("Enter IndividualNsInstanceView::DELETE ns_instance(%s)", ns_instance_id)
 121         # todo
 122         return Response(data={}, status=status.HTTP_204_NO_CONTENT)