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