lcm/ns/views/sol/ns_instances_views.py

   1 # Copyright 2019 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 drf_yasg.utils import swagger_auto_schema
  18 from rest_framework import status
  19 from rest_framework.response import Response
  20 from rest_framework.views import APIView
  21
  22 from lcm.ns.serializers.sol.create_ns_serializers import CreateNsRequestSerializer
  23 from lcm.ns.serializers.sol.ns_instance import NsInstanceSerializer
  24 from lcm.pub.exceptions import BadRequestException, NSLCMException
  25 from lcm.pub.utils.values import ignore_case_get
  26 from lcm.ns.biz.ns_create import CreateNSService
  27 from lcm.ns.biz.ns_get import GetNSInfoService
  28 from lcm.ns.biz.ns_delete import DeleteNsService
  29 from lcm.ns.const import NS_INSTANCE_BASE_URI
  30 from .common import view_safe_call_with_log
  31
  32 logger = logging.getLogger(__name__)
  33
  34
  35 class NSInstancesView(APIView):
  36     @swagger_auto_schema(
  37         request_body=None,
  38         responses={
  39             status.HTTP_200_OK: NsInstanceSerializer(help_text="NS instances", many=True),
  40             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  41         }
  42     )
  43     @view_safe_call_with_log(logger=logger)
  44     def get(self, request):
  45         logger.debug(request.query_params)
  46
  47         logger.debug("CreateNSView::get")
  48         ret = GetNSInfoService().get_ns_info(is_sol=True)  # todo
  49         logger.debug("CreateNSView::get::ret=%s", ret)
  50         resp_serializer = NsInstanceSerializer(data=ret, many=True)
  51         if not resp_serializer.is_valid():
  52             raise NSLCMException(resp_serializer.errors)
  53         return Response(data=ret, status=status.HTTP_200_OK)
  54
  55     @swagger_auto_schema(
  56         request_body=CreateNsRequestSerializer(),
  57         responses={
  58             status.HTTP_201_CREATED: NsInstanceSerializer(),
  59             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  60         }
  61     )
  62     @view_safe_call_with_log(logger=logger)
  63     def post(self, request):
  64         logger.debug("Enter NSInstancesView::POST ns_instances: Header:%s, Body: %s" % (request.META, request.data))
  65
  66         globalCustomerId = request.META.get("HTTP_GLOBALCUSTOMERID", None)
  67         if not globalCustomerId:
  68             raise BadRequestException("Not found globalCustomerId in header")
  69         serviceType = request.META.get("HTTP_SERVICETYPE", None)
  70         if not serviceType:
  71             serviceType = "NetworkService"
  72         req_serializer = CreateNsRequestSerializer(data=request.data)
  73         if not req_serializer.is_valid():
  74             raise BadRequestException(req_serializer.errors)
  75         if ignore_case_get(request.data, 'test') == "test":
  76             return Response(data={'nsInstanceId': "test"}, status=status.HTTP_201_CREATED)
  77         csar_id = ignore_case_get(request.data, 'nsdId')
  78         ns_name = ignore_case_get(request.data, 'nsName')
  79         description = ignore_case_get(request.data, 'nsDescription')
  80         context = {
  81             "globalCustomerId": globalCustomerId,
  82             "serviceType": serviceType
  83         }
  84         ns_inst_id = CreateNSService(csar_id, ns_name, description, context).do_biz()
  85         logger.debug("CreateNSView::post::ret={'nsInstanceId':%s}", ns_inst_id)
  86         ns_filter = {"ns_inst_id": ns_inst_id}
  87         nsInstance = GetNSInfoService(ns_filter).get_ns_info(is_sol=True)[0]
  88         logger.debug("nsInstance: %s" % nsInstance)
  89         resp_serializer = NsInstanceSerializer(data=nsInstance)
  90         if not resp_serializer.is_valid():
  91             raise NSLCMException(resp_serializer.errors)
  92         response = Response(data=nsInstance, status=status.HTTP_201_CREATED)
  93         response["Location"] = NS_INSTANCE_BASE_URI % nsInstance['id']
  94         return response
  95
  96
  97 class IndividualNsInstanceView(APIView):
  98     @swagger_auto_schema(
  99         request_body=None,
 100         responses={
 101             status.HTTP_200_OK: NsInstanceSerializer(help_text="NS instances", many=False),
 102             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
 103         }
 104     )
 105     @view_safe_call_with_log(logger=logger)
 106     def get(self, request, ns_instance_id):
 107
 108         logger.debug("Enter NSDetailView::get ns(%s)", ns_instance_id)
 109         ns_filter = {"ns_inst_id": ns_instance_id}
 110         ret = GetNSInfoService(ns_filter).get_ns_info(is_sol=True)
 111         if not ret:
 112             data = {'status': status.HTTP_404_NOT_FOUND, 'detail': "NS Instance ID(%s) is not founded" % ns_instance_id}
 113             return Response(data=data, status=status.HTTP_404_NOT_FOUND)
 114         logger.debug("Leave NSDetailView::get::ret=%s", ret)
 115         resp_serializer = NsInstanceSerializer(data=ret[0])
 116         if not resp_serializer.is_valid():
 117             raise NSLCMException(resp_serializer.errors)
 118         return Response(data=ret[0], status=status.HTTP_200_OK)
 119
 120     @swagger_auto_schema(
 121         request_body=None,
 122         responses={
 123             status.HTTP_204_NO_CONTENT: "HTTP_204_NO_CONTENT"
 124         }
 125     )
 126     @view_safe_call_with_log(logger=logger)
 127     def delete(self, request, ns_instance_id):
 128
 129         logger.debug("Enter NSDetailView::delete ns(%s)", ns_instance_id)
 130         DeleteNsService(ns_instance_id).do_biz()
 131         return Response(data={}, status=status.HTTP_204_NO_CONTENT)