catalog/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
  23 from catalog.packages.biz.vnf_package import VnfPackage
  24 from catalog.packages.biz.vnf_package import VnfPkgUploadThread
  25 from catalog.packages.biz.vnf_package import handle_upload_failed
  26 from catalog.packages.biz.vnf_package import parse_vnfd_and_save
  27 from catalog.packages.const import TAG_VNF_PACKAGE_API
  28 from catalog.packages.serializers.create_vnf_pkg_info_req import CreateVnfPkgInfoRequestSerializer
  29 from catalog.packages.serializers.upload_vnf_pkg_from_uri_req import UploadVnfPackageFromUriRequestSerializer
  30 from catalog.packages.serializers.vnf_pkg_info import VnfPkgInfoSerializer
  31 from catalog.packages.serializers.vnf_pkg_infos import VnfPkgInfosSerializer
  32 from .common import validate_data
  33 from .common import view_safe_call_with_log
  34
  35 logger = logging.getLogger(__name__)
  36
  37
  38 @swagger_auto_schema(
  39     method="GET",
  40     operation_description="Query multiple VNF package resource",
  41     tags=[TAG_VNF_PACKAGE_API],
  42     request_body=no_body,
  43     responses={
  44         status.HTTP_200_OK: VnfPkgInfosSerializer(),
  45         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  46     }
  47 )
  48 @swagger_auto_schema(
  49     method="POST",
  50     operation_description="Create an individual VNF package resource",
  51     tags=[TAG_VNF_PACKAGE_API],
  52     request_body=CreateVnfPkgInfoRequestSerializer,
  53     responses={
  54         status.HTTP_201_CREATED: VnfPkgInfoSerializer(),
  55         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  56     }
  57 )
  58 @api_view(http_method_names=["GET", "POST"])
  59 @view_safe_call_with_log(logger=logger)
  60 def vnf_packages_rc(request):
  61     if request.method == 'GET':
  62         logger.debug("Query VNF packages> %s" % request.data)
  63         data = VnfPackage().query_multiple()
  64         validate_data(data, VnfPkgInfosSerializer)
  65         return Response(data=data, status=status.HTTP_200_OK)
  66
  67     if request.method == 'POST':
  68         logger.debug("Create VNF package> %s" % request.data)
  69         create_vnf_pkg_info_request = validate_data(request.data,
  70                                                     CreateVnfPkgInfoRequestSerializer)
  71         data = VnfPackage().create_vnf_pkg(create_vnf_pkg_info_request.data)
  72         validate_data(data, VnfPkgInfoSerializer)
  73         return Response(data=data, status=status.HTTP_201_CREATED)
  74
  75
  76 @swagger_auto_schema(
  77     method="GET",
  78     operation_description="Read VNFD of an on-boarded VNF package",
  79     tags=[TAG_VNF_PACKAGE_API],
  80     request_body=no_body,
  81     responses={
  82         status.HTTP_200_OK: VnfPkgInfosSerializer(),
  83         status.HTTP_404_NOT_FOUND: "VNF package does not exist",
  84         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  85     }
  86 )
  87 @api_view(http_method_names=["GET"])
  88 @view_safe_call_with_log(logger=logger)
  89 def vnfd_rd(request, **kwargs):
  90     vnf_pkg_id = kwargs.get("vnfPkgId")
  91     logger.debug("Read VNFD for  VNF package %s" % vnf_pkg_id)
  92     try:
  93         file_iterator = VnfPackage().download_vnfd(vnf_pkg_id)
  94         return StreamingHttpResponse(file_iterator, status=status.HTTP_200_OK)
  95     except Exception as e:
  96         logger.error(e)
  97         raise e
  98
  99
 100 @swagger_auto_schema(
 101     method='PUT',
 102     operation_description="Upload VNF package content",
 103     tags=[TAG_VNF_PACKAGE_API],
 104     request_body=no_body,
 105     responses={
 106         status.HTTP_202_ACCEPTED: "Successfully",
 107         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 108     }
 109 )
 110 @swagger_auto_schema(
 111     method="GET",
 112     operation_description="Fetch VNF package content",
 113     tags=[TAG_VNF_PACKAGE_API],
 114     request_body=no_body,
 115     responses={
 116         status.HTTP_200_OK: "Return csar file of VNF package",
 117         status.HTTP_404_NOT_FOUND: "VNF package does not exist",
 118         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 119     }
 120 )
 121 @api_view(http_method_names=["PUT", "GET"])
 122 @view_safe_call_with_log(logger=logger)
 123 def package_content_ru(request, **kwargs):
 124     vnf_pkg_id = kwargs.get("vnfPkgId")
 125     if request.method == "PUT":
 126         logger.debug("Upload VNF package %s" % vnf_pkg_id)
 127         files = request.FILES.getlist('file')
 128         try:
 129             local_file_name = VnfPackage().upload(vnf_pkg_id, files[0])
 130             parse_vnfd_and_save(vnf_pkg_id, local_file_name)
 131             return Response(None, status=status.HTTP_202_ACCEPTED)
 132         except Exception as e:
 133             handle_upload_failed(vnf_pkg_id)
 134             raise e
 135
 136     if request.method == "GET":
 137         file_range = request.META.get('HTTP_RANGE')
 138         file_iterator = VnfPackage().download(vnf_pkg_id, file_range)
 139         return StreamingHttpResponse(file_iterator, status=status.HTTP_200_OK)
 140
 141
 142 @swagger_auto_schema(
 143     method='POST',
 144     operation_description="Upload VNF package content from uri",
 145     tags=[TAG_VNF_PACKAGE_API],
 146     request_body=UploadVnfPackageFromUriRequestSerializer,
 147     responses={
 148         status.HTTP_202_ACCEPTED: "Successfully",
 149         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 150     }
 151 )
 152 @api_view(http_method_names=['POST'])
 153 @view_safe_call_with_log(logger=logger)
 154 def upload_from_uri_c(request, **kwargs):
 155     vnf_pkg_id = kwargs.get("vnfPkgId")
 156     try:
 157         upload_vnf_from_uri_request = validate_data(request.data,
 158                                                     UploadVnfPackageFromUriRequestSerializer)
 159         VnfPkgUploadThread(upload_vnf_from_uri_request.data, vnf_pkg_id).start()
 160         return Response(None, status=status.HTTP_202_ACCEPTED)
 161     except Exception as e:
 162         handle_upload_failed(vnf_pkg_id)
 163         raise e
 164
 165
 166 @swagger_auto_schema(
 167     method='GET',
 168     operation_description="Query an individual VNF package resource",
 169     tags=[TAG_VNF_PACKAGE_API],
 170     request_body=no_body,
 171     responses={
 172         status.HTTP_200_OK: VnfPkgInfoSerializer(),
 173         status.HTTP_404_NOT_FOUND: "VNF package does not exist",
 174         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 175     }
 176 )
 177 @swagger_auto_schema(
 178     method='DELETE',
 179     operation_description="Delete an individual VNF package resource",
 180     tags=[TAG_VNF_PACKAGE_API],
 181     request_body=no_body,
 182     responses={
 183         status.HTTP_204_NO_CONTENT: "No content",
 184         status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 185     }
 186 )
 187 @api_view(http_method_names=['GET', 'DELETE'])
 188 @view_safe_call_with_log(logger=logger)
 189 def vnf_package_rd(request, **kwargs):
 190     vnf_pkg_id = kwargs.get("vnfPkgId")
 191     if request.method == 'GET':
 192         logger.debug("Query an individual VNF package> %s" % request.data)
 193         data = VnfPackage().query_single(vnf_pkg_id)
 194         validate_data(data, VnfPkgInfoSerializer)
 195         return Response(data=data, status=status.HTTP_200_OK)
 196
 197     if request.method == 'DELETE':
 198         logger.debug("Delete an individual VNF package> %s" % request.data)
 199         VnfPackage().delete_vnf_pkg(vnf_pkg_id)
 200         return Response(data=None, status=status.HTTP_204_NO_CONTENT)