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