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
  31 logger = logging.getLogger(__name__)
  32
  33
  34 class NSInstancesView(APIView):
  35     @swagger_auto_schema(
  36         request_body=None,
  37         responses={
  38             status.HTTP_200_OK: NsInstanceSerializer(help_text="NS instances", many=True),
  39             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  40         }
  41     )
  42     def get(self, request):
  43         logger.debug(request.query_params)
  44         try:
  45             logger.debug("CreateNSView::get")
  46             ret = GetNSInfoService().get_ns_info(is_sol=True)  # todo
  47             logger.debug("CreateNSView::get::ret=%s", ret)
  48             resp_serializer = NsInstanceSerializer(data=ret, many=True)
  49             if not resp_serializer.is_valid():
  50                 raise NSLCMException(resp_serializer.errors)
  51             return Response(data=resp_serializer.data, status=status.HTTP_200_OK)
  52         except Exception as e:
  53             logger.error(traceback.format_exc())
  54             logger.error("Exception in GetNS: %s", e.message)
  55             data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message}
  56             return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  57
  58     @swagger_auto_schema(
  59         request_body=CreateNsRequestSerializer(),
  60         responses={
  61             status.HTTP_201_CREATED: NsInstanceSerializer(),
  62             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  63         }
  64     )
  65     def post(self, request):
  66         logger.debug("Enter NSInstancesView::POST ns_instances: Header:%s, Body: %s" % (request.META, request.data))
  67         try:
  68             globalCustomerId = request.META.get("HTTP_GLOBALCUSTOMERID", None)
  69             if not globalCustomerId:
  70                 raise BadRequestException("Not found globalCustomerId in header")
  71             req_serializer = CreateNsRequestSerializer(data=request.data)
  72             if not req_serializer.is_valid():
  73                 raise BadRequestException(req_serializer.errors)
  74
  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, 'description')
  80             context = {
  81                 "globalCustomerId": globalCustomerId,
  82                 "serviceType": "NetworkService"
  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]  # todo
  88             resp_serializer = NsInstanceSerializer(data=nsInstance)
  89             if not resp_serializer.is_valid():
  90                 raise NSLCMException(resp_serializer.errors)
  91             return Response(data=resp_serializer.data, status=status.HTTP_201_CREATED)
  92         except BadRequestException as e:
  93             logger.error("Exception in CreateNS: %s", e.message)
  94             data = {'status': status.HTTP_400_BAD_REQUEST, 'detail': e.message}
  95             return Response(data=data, status=status.HTTP_400_BAD_REQUEST)
  96         except Exception as e:
  97             logger.error("Exception in CreateNS: %s", e.message)
  98             data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message}
  99             return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 100
 101
 102 class IndividualNsInstanceView(APIView):
 103     @swagger_auto_schema(
 104         request_body=None,
 105         responses={
 106             status.HTTP_200_OK: NsInstanceSerializer(help_text="NS instances", many=False),
 107             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
 108         }
 109     )
 110     def get(self, request, ns_instance_id):
 111         try:
 112             logger.debug("Enter NSDetailView::get ns(%s)", ns_instance_id)
 113             ns_filter = {"ns_inst_id": ns_instance_id}
 114             ret = GetNSInfoService(ns_filter).get_ns_info(is_sol=True)
 115             if not ret:
 116                 data = {'status': status.HTTP_404_NOT_FOUND, 'detail': "NS Instance ID(%s) is not founded" % ns_instance_id}
 117                 return Response(data=data, status=status.HTTP_404_NOT_FOUND)
 118             logger.debug("Leave NSDetailView::get::ret=%s", ret)
 119             resp_serializer = NsInstanceSerializer(data=ret[0])
 120             if not resp_serializer.is_valid():
 121                 raise NSLCMException(resp_serializer.errors)
 122             return Response(data=resp_serializer.data, status=status.HTTP_200_OK)
 123         except Exception as e:
 124             logger.error(traceback.format_exc())
 125             logger.error("Exception in GetNSDetail: %s", e.message)
 126             data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message}
 127             return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 128
 129     @swagger_auto_schema(
 130         request_body=None,
 131         responses={
 132             status.HTTP_204_NO_CONTENT: None
 133         }
 134     )
 135     def delete(self, request, ns_instance_id):
 136         try:
 137             logger.debug("Enter NSDetailView::delete ns(%s)", ns_instance_id)
 138             DeleteNsService(ns_instance_id).do_biz()
 139             return Response(data={}, status=status.HTTP_204_NO_CONTENT)
 140         except Exception as e:
 141             logger.error(traceback.format_exc())
 142             logger.error("Exception in delete NS: %s", e.message)
 143             data = {'status': status.HTTP_500_INTERNAL_SERVER_ERROR, 'detail': e.message}
 144             return Response(data=data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)