catalog/packages/views/pnf_descriptor_views.py

   1 # Copyright 2018 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
  17 from django.http import StreamingHttpResponse
  18 from drf_yasg.utils import no_body, swagger_auto_schema
  19 from rest_framework import status
  20 from rest_framework.decorators import api_view
  21 from rest_framework.response import Response
  22
  23 from catalog.packages.biz.pnf_descriptor import PnfDescriptor
  24 from catalog.packages.const import TAG_PNFD_API, TAG_PARSER_API
  25 from catalog.packages.serializers.catalog_serializers import InternalErrorRequestSerializer
  26 from catalog.packages.serializers.catalog_serializers import ParseModelRequestSerializer
  27 from catalog.packages.serializers.catalog_serializers import ParseModelResponseSerializer
  28 from catalog.packages.serializers.create_pnfd_info_request import CreatePnfdInfoRequestSerializer
  29 from catalog.packages.serializers.pnfd_info import PnfdInfoSerializer
  30 from catalog.packages.serializers.pnfd_infos import PnfdInfosSerializer
  31 from catalog.packages.serializers.response import ProblemDetailsSerializer
  32 from catalog.packages.views.common import validate_data
  33 from catalog.pub.utils.syscomm import fun_name
  34 from catalog.pub.utils.values import ignore_case_get
  35 from .common import view_safe_call_with_log
  36
  37 logger = logging.getLogger(__name__)
  38
  39
  40 @swagger_auto_schema(
  41     method='GET',
  42     operation_description="Query a PNFD",
  43     tags=[TAG_PNFD_API],
  44     request_body=no_body,
  45     responses={
  46         status.HTTP_200_OK: PnfdInfoSerializer(),
  47         status.HTTP_404_NOT_FOUND: ProblemDetailsSerializer(),
  48         status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
  49     }
  50 )
  51 @swagger_auto_schema(
  52     method='DELETE',
  53     operation_description="Delete a PNFD",
  54     tags=[TAG_PNFD_API],
  55     request_body=no_body,
  56     responses={
  57         status.HTTP_204_NO_CONTENT: "No content",
  58         status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
  59     }
  60 )
  61 @api_view(http_method_names=['GET', 'DELETE'])
  62 @view_safe_call_with_log(logger=logger)
  63 def pnfd_info_rd(request, **kwargs):  # TODO
  64     pnfd_info_id = kwargs.get('pnfdInfoId')
  65     if request.method == 'GET':
  66         logger.debug("Query an individual PNF descriptor> %s" % request.data)
  67         data = PnfDescriptor().query_single(pnfd_info_id)
  68         pnfd_info = validate_data(data, PnfdInfoSerializer)
  69         return Response(data=pnfd_info.data, status=status.HTTP_200_OK)
  70
  71     if request.method == 'DELETE':
  72         logger.debug("Delete an individual PNFD resource> %s" % request.data)
  73         PnfDescriptor().delete_single(pnfd_info_id)
  74         return Response(data=None, status=status.HTTP_204_NO_CONTENT)
  75
  76
  77 @swagger_auto_schema(
  78     method='POST',
  79     operation_description="Create a  PNFD",
  80     tags=[TAG_PNFD_API],
  81     request_body=CreatePnfdInfoRequestSerializer(),
  82     responses={
  83         status.HTTP_201_CREATED: PnfdInfoSerializer(),
  84         status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
  85     }
  86 )
  87 @swagger_auto_schema(
  88     method='GET',
  89     operation_description="Query multiple PNFDs",
  90     tags=[TAG_PNFD_API],
  91     request_body=no_body,
  92     responses={
  93         status.HTTP_200_OK: PnfdInfosSerializer(),
  94         status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
  95     }
  96 )
  97 @api_view(http_method_names=['POST', 'GET'])
  98 @view_safe_call_with_log(logger=logger)
  99 def pnf_descriptors_rc(request):
 100     if request.method == 'POST':
 101         create_pnfd_info_request = validate_data(request.data, CreatePnfdInfoRequestSerializer)
 102         data = PnfDescriptor().create(create_pnfd_info_request.data)
 103         validate_data(data, PnfdInfoSerializer)
 104         return Response(data=data, status=status.HTTP_201_CREATED)
 105
 106     if request.method == 'GET':
 107         data = PnfDescriptor().query_multiple(request)
 108         validate_data(data, PnfdInfosSerializer)
 109         return Response(data=data, status=status.HTTP_200_OK)
 110
 111
 112 @swagger_auto_schema(
 113     method='PUT',
 114     operation_description="Upload PNFD content",
 115     tags=[TAG_PNFD_API],
 116     request_body=no_body,
 117     responses={
 118         status.HTTP_204_NO_CONTENT: "No content",
 119         status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
 120     }
 121 )
 122 @swagger_auto_schema(
 123     method='GET',
 124     operation_description="Fetch PNFD content",
 125     tags=[TAG_PNFD_API],
 126     request_body=no_body,
 127     responses={
 128         status.HTTP_204_NO_CONTENT: 'PNFD file',
 129         status.HTTP_404_NOT_FOUND: ProblemDetailsSerializer(),
 130         status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
 131     }
 132 )
 133 @api_view(http_method_names=['PUT', 'GET'])
 134 @view_safe_call_with_log(logger=logger)
 135 def pnfd_content_ru(request, **kwargs):
 136     pnfd_info_id = kwargs.get("pnfdInfoId")
 137     if request.method == 'PUT':
 138         files = request.FILES.getlist('file')
 139         try:
 140             local_file_name = PnfDescriptor().upload(files[0], pnfd_info_id)
 141             PnfDescriptor().parse_pnfd_and_save(pnfd_info_id, local_file_name)
 142             return Response(data=None, status=status.HTTP_204_NO_CONTENT)
 143         except Exception as e:
 144             PnfDescriptor().handle_upload_failed(pnfd_info_id)
 145             raise e
 146
 147     if request.method == 'GET':
 148         file_iterator = PnfDescriptor().download(pnfd_info_id)
 149         return StreamingHttpResponse(file_iterator, status=status.HTTP_200_OK)
 150
 151
 152 @swagger_auto_schema(
 153     method='POST',
 154     operation_description="Parse PNF model",
 155     tags=[TAG_PARSER_API],
 156     request_body=ParseModelRequestSerializer,
 157     responses={
 158         status.HTTP_202_ACCEPTED: ParseModelResponseSerializer,
 159         status.HTTP_500_INTERNAL_SERVER_ERROR: InternalErrorRequestSerializer})
 160 @api_view(http_method_names=['POST'])
 161 def pnf_model_parser(request, *args, **kwargs):
 162     csar_id = ignore_case_get(request.data, "csarId")
 163     inputs = ignore_case_get(request.data, "inputs")
 164     logger.debug(
 165         "Enter %s, csar_id=%s, inputs=%s",
 166         fun_name(),
 167         csar_id,
 168         inputs)
 169     ret = PnfDescriptor().parse_pnfd(csar_id, inputs)
 170     logger.info("Leave %s, Return value is %s", fun_name(), ret)
 171     if ret[0] != 0:
 172         return Response(data={'error': ret[1]}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 173     response = validate_data(ret[1], ParseModelResponseSerializer)
 174     return Response(data=response.data, status=status.HTTP_202_ACCEPTED)