lcm/lcm/nf/views/lcm_op_occs_view.py

   1 # Copyright (C) 2018 Verizon. All Rights Reserved
   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
  17 from drf_yasg.utils import swagger_auto_schema
  18 from rest_framework import status
  19 from rest_framework.response import Response
  20 from rest_framework.views import APIView
  21
  22 from lcm.nf.biz.query_vnf_lcm_op_occ import QueryVnfLcmOpOcc
  23 from lcm.nf.serializers.response import ProblemDetailsSerializer
  24 from lcm.nf.serializers.vnf_lcm_op_occ import VNFLCMOpOccSerializer
  25 from lcm.nf.serializers.vnf_lcm_op_occs import VNFLCMOpOccsSerializer
  26 from lcm.pub.exceptions import NFLCMException
  27 from .common import view_safe_call_with_log
  28 from .common import deal_indivdual_query
  29
  30 logger = logging.getLogger(__name__)
  31 EXCLUDE_DEFAULT = ['operationParams', 'error', 'resourceChanges', 'changedInfo', 'changedExtConnectivity']
  32 VALID_FILTERS = ["all_fields", "fields", "exclude_fields", "exclude_default",
  33                  "id", "operationState", "stateEnteredTime", "startTime",
  34                  "vnfInstanceId", "grantId", "operation"]
  35
  36
  37 def get_problem_details_serializer(status_code, error_message):
  38     problem_details = {
  39         "status": status_code,
  40         "detail": error_message
  41     }
  42     problem_details_serializer = ProblemDetailsSerializer(data=problem_details)
  43     problem_details_serializer.is_valid()
  44     return problem_details_serializer
  45
  46
  47 class QueryMultiVnfLcmOpOccs(APIView):
  48     @swagger_auto_schema(
  49         responses={
  50             status.HTTP_200_OK: VNFLCMOpOccsSerializer(),
  51             status.HTTP_400_BAD_REQUEST: ProblemDetailsSerializer(),
  52             status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
  53         }
  54     )
  55     @view_safe_call_with_log(logger=logger)
  56     def get(self, request):
  57         logger.debug("QueryMultiVnfLcmOpOccs--get::> %s" % request.query_params)
  58         if request.query_params and not set(request.query_params).issubset(set(VALID_FILTERS)):
  59             problem_details_serializer = get_problem_details_serializer(status.HTTP_400_BAD_REQUEST, "Not a valid filter")
  60             return Response(data=problem_details_serializer.data, status=status.HTTP_400_BAD_REQUEST)
  61         resp_data = QueryVnfLcmOpOcc(request.query_params).query_multi_vnf_lcm_op_occ()
  62
  63         vnf_lcm_op_occs_serializer = VNFLCMOpOccsSerializer(data=resp_data)
  64         if not vnf_lcm_op_occs_serializer.is_valid():
  65             raise NFLCMException(vnf_lcm_op_occs_serializer.errors)
  66
  67         logger.debug("QueryMultiVnfLcmOpOccs--get::> Remove default fields if exclude_default" +
  68                      " is specified")
  69         # TODO(bharath): Add support for "fields", "exclude_fields" in query parameters
  70         if 'exclude_default' in request.query_params.keys():
  71             for field in EXCLUDE_DEFAULT:
  72                 for lcm_op in vnf_lcm_op_occs_serializer.data:
  73                     del lcm_op[field]
  74         return Response(data=vnf_lcm_op_occs_serializer.data, status=status.HTTP_200_OK)
  75
  76
  77 class QuerySingleVnfLcmOpOcc(APIView):
  78     @swagger_auto_schema(
  79         responses={
  80             status.HTTP_200_OK: VNFLCMOpOccSerializer(),
  81             status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
  82         }
  83     )
  84     @view_safe_call_with_log(logger=logger)
  85     def get(self, request, lcmopoccid):
  86         logger.debug("QuerySingleVnfLcmOpOcc--get::> %s" % request.query_params)
  87
  88         return deal_indivdual_query(res_serializer=VNFLCMOpOccSerializer,
  89                                     query_fun=QueryVnfLcmOpOcc(
  90                                         data=request.data,
  91                                         lcm_op_occ_id=lcmopoccid).query_single_vnf_lcm_op_occ)