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 import traceback
  17
  18 from drf_yasg.utils import swagger_auto_schema
  19 from rest_framework import status
  20 from rest_framework.response import Response
  21 from rest_framework.views import APIView
  22
  23 from lcm.ns.serializers.sol.create_ns_serializers import CreateNsRequestSerializer
  24 from lcm.ns.serializers.sol.ns_instance import NsInstanceSerializer
  25 from lcm.pub.exceptions import BadRequestException, NSLCMException
  26 from lcm.pub.utils.values import ignore_case_get
  27 from lcm.ns.biz.ns_create import CreateNSService
  28 from lcm.ns.biz.ns_get import GetNSInfoService
  29 from lcm.ns.biz.ns_delete import DeleteNsService
  30 from lcm.ns.const import NS_INSTANCE_BASE_URI
  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     def get(self, request):
  44         logger.debug(request.query_params)
  45         try:
  46             logger.debug("CreateNSView::get")
  47             ret = GetNSInfoService().get_ns_info(is_sol=True)  # todo
  48             logger.debug("CreateNSView::get::ret=%s", ret)
  49             resp_serializer = NsInstanceSerializer(data=ret, many=True)
  50             if not resp_serializer.is_valid():
  51                 raise NSLCMException(resp_serializer.errors)
  52             return Response(data=resp_serializer.data, status=status.HTTP_200_OK)
  53         except Exception as e:
  54             logger.error(traceback.format_exc())
  55             logger.error("Exception in GetNS: %s", e.message)
  56             data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message}
  57             return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  58
  59     @swagger_auto_schema(
  60         request_body=CreateNsRequestSerializer(),
  61         responses={
  62             status.HTTP_201_CREATED: NsInstanceSerializer(),
  63             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  64         }
  65     )
  66     def post(self, request):
  67         logger.debug("Enter NSInstancesView::POST ns_instances: Header:%s, Body: %s" % (request.META, request.data))
  68         try:
  69             globalCustomerId = request.META.get("HTTP_GLOBALCUSTOMERID", None)
  70             if not globalCustomerId:
  71                 raise BadRequestException("Not found globalCustomerId in header")
  72             req_serializer = CreateNsRequestSerializer(data=request.data)
  73             if not req_serializer.is_valid():
  74                 raise BadRequestException(req_serializer.errors)
  75
  76             if ignore_case_get(request.data, 'test') == "test":
  77                 return Response(data={'nsInstanceId': "test"}, status=status.HTTP_201_CREATED)
  78             csar_id = ignore_case_get(request.data, 'nsdId')
  79             ns_name = ignore_case_get(request.data, 'nsName')
  80             description = ignore_case_get(request.data, 'description')
  81             context = {
  82                 "globalCustomerId": globalCustomerId,
  83                 "serviceType": "NetworkService"
  84             }
  85             ns_inst_id = CreateNSService(csar_id, ns_name, description, context).do_biz()
  86             logger.debug("CreateNSView::post::ret={'nsInstanceId':%s}", ns_inst_id)
  87             ns_filter = {"ns_inst_id": ns_inst_id}
  88             nsInstance = GetNSInfoService(ns_filter).get_ns_info(is_sol=True)[0]
  89             resp_serializer = NsInstanceSerializer(data=nsInstance)
  90             if not resp_serializer.is_valid():
  91                 raise NSLCMException(resp_serializer.errors)
  92             response = Response(data=resp_serializer.data, status=status.HTTP_201_CREATED)
  93             response["Location"] = NS_INSTANCE_BASE_URI % nsInstance['id']
  94             return response
  95
  96         except BadRequestException as e:
  97             logger.error("Exception in CreateNS: %s", e.message)
  98             data = {'status': status.HTTP_400_BAD_REQUEST, 'detail': e.message}
  99             return Response(data=data, status=status.HTTP_400_BAD_REQUEST)
 100         except Exception as e:
 101             logger.error("Exception in CreateNS: %s", e.message)
 102             data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message}
 103             return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 104
 105
 106 class IndividualNsInstanceView(APIView):
 107     @swagger_auto_schema(
 108         request_body=None,
 109         responses={
 110             status.HTTP_200_OK: NsInstanceSerializer(help_text="NS instances", many=False),
 111             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
 112         }
 113     )
 114     def get(self, request, ns_instance_id):
 115         try:
 116             logger.debug("Enter NSDetailView::get ns(%s)", ns_instance_id)
 117             ns_filter = {"ns_inst_id": ns_instance_id}
 118             ret = GetNSInfoService(ns_filter).get_ns_info(is_sol=True)
 119             if not ret:
 120                 data = {'status': status.HTTP_404_NOT_FOUND, 'detail': "NS Instance ID(%s) is not founded" % ns_instance_id}
 121                 return Response(data=data, status=status.HTTP_404_NOT_FOUND)
 122             logger.debug("Leave NSDetailView::get::ret=%s", ret)
 123             resp_serializer = NsInstanceSerializer(data=ret[0])
 124             if not resp_serializer.is_valid():
 125                 raise NSLCMException(resp_serializer.errors)
 126             return Response(data=resp_serializer.data, status=status.HTTP_200_OK)
 127         except Exception as e:
 128             logger.error(traceback.format_exc())
 129             logger.error("Exception in GetNSDetail: %s", e.message)
 130             data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message}
 131             return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 132
 133     @swagger_auto_schema(
 134         request_body=None,
 135         responses={
 136             status.HTTP_204_NO_CONTENT: None
 137         }
 138     )
 139     def delete(self, request, ns_instance_id):
 140         try:
 141             logger.debug("Enter NSDetailView::delete ns(%s)", ns_instance_id)
 142             DeleteNsService(ns_instance_id).do_biz()
 143             return Response(data={}, status=status.HTTP_204_NO_CONTENT)
 144         except Exception as e:
 145             logger.error(traceback.format_exc())
 146             logger.error("Exception in delete NS: %s", e.message)
 147             data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message}
 148             return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)