lcm/ns/views/sol/lcm_op_occs_view.py

   1 # Copyright (c) 2019, CMCC Technologies Co., Ltd.
   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 lcm.ns.serializers.sol.ns_lcm_op_occ import NSLCMOpOccSerializer
  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.biz.query_ns_lcm_op_occ import QueryNsLcmOpOcc
  24 from lcm.ns.serializers.sol.ns_lcm_op_occ import NSLCMOpOccsSerializer
  25 from lcm.ns.serializers.sol.pub_serializers import ProblemDetailsSerializer
  26 from lcm.pub.exceptions import NSLCMException
  27 from .common import view_safe_call_with_log
  28
  29 logger = logging.getLogger(__name__)
  30 EXCLUDE_DEFAULT = [
  31     'operationParams',
  32     'error',
  33     'resourceChanges'
  34 ]
  35 VALID_FILTERS = [
  36     "fields",
  37     "exclude_fields",
  38     "exclude_default",
  39     "id",
  40     "operationState",
  41     "stateEnteredTime",
  42     "startTime",
  43     "nsInstanceId",
  44     "operation"
  45 ]
  46
  47
  48 def get_problem_details_serializer(status_code, error_message):
  49     problem_details = {
  50         "status": status_code,
  51         "detail": error_message
  52     }
  53     problem_details_serializer = ProblemDetailsSerializer(data=problem_details)
  54     problem_details_serializer.is_valid()
  55     return problem_details_serializer
  56
  57
  58 class QueryMultiNsLcmOpOccs(APIView):
  59     @swagger_auto_schema(
  60         responses={
  61             status.HTTP_200_OK: NSLCMOpOccsSerializer(),
  62             status.HTTP_400_BAD_REQUEST: ProblemDetailsSerializer(),
  63             status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
  64         }
  65     )
  66     @view_safe_call_with_log(logger=logger)
  67     def get(self, request):
  68         logger.debug("QueryMultiNsLcmOpOccs--get::> %s" % request.query_params)
  69
  70         if request.query_params and not set(request.query_params).issubset(set(VALID_FILTERS)):
  71             problem_details_serializer = get_problem_details_serializer(status.HTTP_400_BAD_REQUEST,
  72                                                                         "Not a valid filter")
  73             return Response(data=problem_details_serializer.data, status=status.HTTP_400_BAD_REQUEST)
  74         resp_data = QueryNsLcmOpOcc(request.query_params).query_multi_ns_lcm_op_occ()
  75         if len(resp_data) == 0:
  76             return Response(data=[], status=status.HTTP_200_OK)
  77
  78         ns_lcm_op_occs_serializer = NSLCMOpOccsSerializer(data=resp_data)
  79         if not ns_lcm_op_occs_serializer.is_valid():
  80             raise NSLCMException(ns_lcm_op_occs_serializer.errors)
  81
  82         logger.debug("QueryMultiNsLcmOpOccs--get::> Remove default fields if exclude_default is specified")
  83         if 'exclude_default' in list(request.query_params.keys()):
  84             for field in EXCLUDE_DEFAULT:
  85                 for lcm_op in resp_data:
  86                     del lcm_op[field]
  87         return Response(data=resp_data, status=status.HTTP_200_OK)
  88
  89
  90 class QuerySingleNsLcmOpOcc(APIView):
  91     """
  92     This resource represents NS lifecycle management operation occurrences.
  93     The client can use this resource to query status information about multiple NS lifecycle management operation occurrences.
  94     """
  95
  96     @swagger_auto_schema(
  97         responses={
  98             status.HTTP_200_OK: NSLCMOpOccSerializer(),
  99             status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
 100         }
 101     )
 102     @view_safe_call_with_log(logger=logger)
 103     def get(self, request, lcmopoccid):
 104         """
 105         The client can use this method to query status information about multiple NS lifecycle management operation occurrences.
 106         :param request:
 107         :param lcmopoccid:
 108         :return:
 109         """
 110         logger.debug("QuerySingleNsLcmOpOcc--get::> %s" % request.query_params)
 111
 112         resp_data = QueryNsLcmOpOcc(request.query_params,
 113                                     lcm_op_occ_id=lcmopoccid).query_single_ns_lcm_op_occ()
 114
 115         ns_lcm_op_occ_serializer = NSLCMOpOccSerializer(data=resp_data)
 116         if not ns_lcm_op_occ_serializer.is_valid():
 117             raise NSLCMException(ns_lcm_op_occ_serializer.errors)
 118
 119         return Response(data=resp_data, status=status.HTTP_200_OK)