genericparser/packages/views/vnf_package_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 swagger_auto_schema, no_body
  19 from rest_framework import status
  20 from rest_framework.decorators import api_view
  21 from rest_framework.response import Response
  22 from genericparser.pub.exceptions import GenericparserException
  23 from genericparser.packages.serializers.upload_vnf_pkg_from_uri_req import UploadVnfPackageFromUriRequestSerializer
  24 from genericparser.packages.serializers.create_vnf_pkg_info_req import CreateVnfPkgInfoRequestSerializer
  25 from genericparser.packages.serializers.vnf_pkg_info import VnfPkgInfoSerializer
  26 from genericparser.packages.serializers.vnf_pkg_infos import VnfPkgInfosSerializer
  27 from genericparser.packages.biz.vnf_package import VnfPackage, VnfPkgUploadThread, parse_vnfd_and_save, handle_upload_failed
  28 from genericparser.packages.views.common import validate_data
  29 from .common import view_safe_call_with_log
  30
  31 logger = logging.getLogger(__name__)
  32
  33
  34 @swagger_auto_schema(
  35     method="GET",
  36     operation_description="Query multiple VNF package resource",
  37     request_body=no_body,
  38     responses={
  39         status.HTTP_200_OK: VnfPkgInfosSerializer(),
  40         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  41     }
  42 )
  43 @swagger_auto_schema(
  44     method="POST",
  45     operation_description="Create an individual VNF package resource",
  46     request_body=CreateVnfPkgInfoRequestSerializer,
  47     responses={
  48         status.HTTP_201_CREATED: VnfPkgInfoSerializer(),
  49         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  50     }
  51 )
  52 @api_view(http_method_names=["GET", "POST"])
  53 @view_safe_call_with_log(logger=logger)
  54 def vnf_packages_rc(request):
  55     if request.method == 'GET':
  56         logger.debug("Query VNF packages> %s" % request.data)
  57         data = VnfPackage().query_multiple()
  58         vnf_pkg_infos = validate_data(data, VnfPkgInfosSerializer)
  59         return Response(data=vnf_pkg_infos.data, status=status.HTTP_200_OK)
  60
  61     if request.method == 'POST':
  62         logger.debug("Create VNF package> %s" % request.data)
  63         create_vnf_pkg_info_request = validate_data(request.data, CreateVnfPkgInfoRequestSerializer)
  64         data = VnfPackage().create_vnf_pkg(create_vnf_pkg_info_request.data)
  65         vnf_pkg_info = validate_data(data, VnfPkgInfoSerializer)
  66         return Response(data=vnf_pkg_info.data, status=status.HTTP_201_CREATED)
  67
  68
  69 @swagger_auto_schema(
  70     method='PUT',
  71     operation_description="Upload VNF package content",
  72     request_body=no_body,
  73     responses={
  74         status.HTTP_202_ACCEPTED: "Successfully",
  75         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  76     }
  77 )
  78 @swagger_auto_schema(
  79     method="GET",
  80     operation_description="Fetch VNF package content",
  81     request_body=no_body,
  82     responses={
  83         status.HTTP_200_OK: VnfPkgInfosSerializer(),
  84         status.HTTP_404_NOT_FOUND: "VNF package does not exist",
  85         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  86     }
  87 )
  88 @api_view(http_method_names=["PUT", "GET"])
  89 @view_safe_call_with_log(logger=logger)
  90 def package_content_ru(request, **kwargs):
  91     vnf_pkg_id = kwargs.get("vnfPkgId")
  92     if request.method == "PUT":
  93         logger.debug("Upload VNF package %s" % vnf_pkg_id)
  94         files = request.FILES.getlist('file')
  95         try:
  96             local_file_name = VnfPackage().upload(vnf_pkg_id, files[0])
  97             parse_vnfd_and_save(vnf_pkg_id, local_file_name)
  98             return Response(None, status=status.HTTP_202_ACCEPTED)
  99         except GenericparserException as e:
 100             handle_upload_failed(vnf_pkg_id)
 101             raise e
 102         except Exception as e:
 103             handle_upload_failed(vnf_pkg_id)
 104             raise e
 105
 106     if request.method == "GET":
 107         file_range = request.META.get('RANGE')
 108         file_iterator = VnfPackage().download(vnf_pkg_id, file_range)
 109         return StreamingHttpResponse(file_iterator, status=status.HTTP_200_OK)
 110
 111
 112 @swagger_auto_schema(
 113     method='POST',
 114     operation_description="Upload VNF package content from uri",
 115     request_body=UploadVnfPackageFromUriRequestSerializer,
 116     responses={
 117         status.HTTP_202_ACCEPTED: "Successfully",
 118         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 119     }
 120 )
 121 @api_view(http_method_names=['POST'])
 122 @view_safe_call_with_log(logger=logger)
 123 def upload_from_uri_c(request, **kwargs):
 124     vnf_pkg_id = kwargs.get("vnfPkgId")
 125     try:
 126         upload_vnf_from_uri_request = validate_data(request.data, UploadVnfPackageFromUriRequestSerializer)
 127         VnfPkgUploadThread(upload_vnf_from_uri_request.data, vnf_pkg_id).start()
 128         return Response(None, status=status.HTTP_202_ACCEPTED)
 129     except GenericparserException as e:
 130         handle_upload_failed(vnf_pkg_id)
 131         raise e
 132     except Exception as e:
 133         handle_upload_failed(vnf_pkg_id)
 134         raise e
 135
 136
 137 @swagger_auto_schema(
 138     method='GET',
 139     operation_description="Query an individual VNF package resource",
 140     request_body=no_body,
 141     responses={
 142         status.HTTP_200_OK: VnfPkgInfoSerializer(),
 143         status.HTTP_404_NOT_FOUND: "VNF package does not exist",
 144         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 145     }
 146 )
 147 @swagger_auto_schema(
 148     method='DELETE',
 149     operation_description="Delete an individual VNF package resource",
 150     request_body=no_body,
 151     responses={
 152         status.HTTP_204_NO_CONTENT: "No content",
 153         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 154     }
 155 )
 156 @api_view(http_method_names=['GET', 'DELETE'])
 157 @view_safe_call_with_log(logger=logger)
 158 def vnf_package_rd(request, **kwargs):
 159     vnf_pkg_id = kwargs.get("vnfPkgId")
 160     if request.method == 'GET':
 161         logger.debug("Query an individual VNF package> %s" % request.data)
 162         data = VnfPackage().query_single(vnf_pkg_id)
 163         vnf_pkg_info = validate_data(data, VnfPkgInfoSerializer)
 164         return Response(data=vnf_pkg_info.data, status=status.HTTP_200_OK)
 165
 166     if request.method == 'DELETE':
 167         logger.debug("Delete an individual VNF package> %s" % request.data)
 168         VnfPackage().delete_vnf_pkg(vnf_pkg_id)
 169         return Response(data=None, status=status.HTTP_204_NO_CONTENT)