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