lcm/ns/views/deprecated/inst_ns_post_deal_view.py

   1 # Copyright 2016-2017 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 json
  16 import logging
  17 import traceback
  18
  19 from drf_yasg.utils import swagger_auto_schema
  20 from rest_framework import status
  21 from rest_framework.response import Response
  22 from rest_framework.views import APIView
  23
  24 from lcm.ns.serializers.deprecated.ns_serializers import _InstNsPostDealReqSerializer
  25 from lcm.pub.database.models import NSInstModel, ServiceBaseInfoModel
  26 from lcm.pub.exceptions import BadRequestException
  27 from lcm.pub.utils.restcall import req_by_msb
  28 from lcm.pub.utils.values import ignore_case_get
  29 from lcm.ns.enum import NS_INST_STATUS
  30 from .common import view_safe_call_with_log
  31
  32 logger = logging.getLogger(__name__)
  33
  34
  35 class NSInstPostDealView(APIView):
  36     @swagger_auto_schema(
  37         request_body=_InstNsPostDealReqSerializer(help_text="NS instant post deal"),
  38         responses={
  39             status.HTTP_202_ACCEPTED: "NS instant post deal success",
  40             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  41         }
  42     )
  43     @view_safe_call_with_log(logger=logger)
  44     def post(self, request, ns_instance_id):
  45         logger.debug("Enter NSInstPostDealView::post %s, %s", request.data, ns_instance_id)
  46         ns_post_status = ignore_case_get(request.data, 'status')
  47         ns_status = NS_INST_STATUS.ACTIVE if ns_post_status == 'true' else NS_INST_STATUS.FAILED
  48         ns_opr_status = 'success' if ns_post_status == 'true' else 'failed'
  49         try:
  50             req_serializer = _InstNsPostDealReqSerializer(data=request.data)
  51             if not req_serializer.is_valid():
  52                 raise BadRequestException(req_serializer.errors)
  53             NSInstModel.objects.filter(id=ns_instance_id).update(status=ns_status)
  54             ServiceBaseInfoModel.objects.filter(service_id=ns_instance_id).update(
  55                 active_status=ns_status, status=ns_opr_status)
  56             nsd_info = NSInstModel.objects.filter(id=ns_instance_id)
  57             nsd_id = nsd_info[0].nsd_id
  58             nsd_model = json.loads(nsd_info[0].nsd_model)
  59             if "policies" in nsd_model and nsd_model["policies"]:
  60                 policy = nsd_model["policies"][0]
  61                 if "properties" in policy and policy["properties"]:
  62                     file_url = ignore_case_get(policy["properties"][0], "drl_file_url")
  63                 else:
  64                     file_url = ""
  65                 self.send_policy_request(ns_instance_id, nsd_id, file_url)
  66         except:
  67             logger.error(traceback.format_exc())
  68             return Response(data={'error': 'Failed to update status of NS(%s)' % ns_instance_id},
  69                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  70         logger.debug("*****NS INST %s, %s******", ns_status, ns_opr_status)
  71         return Response(data={'success': 'Update status of NS(%s) to %s' % (ns_instance_id, ns_status)},
  72                         status=status.HTTP_202_ACCEPTED)
  73
  74     def send_policy_request(self, ns_instance_id, nsd_id, file_url):
  75         input_data = {
  76             "nsid": ns_instance_id,
  77             "nsdid": nsd_id,
  78             "fileUri": file_url
  79         }
  80         req_param = json.JSONEncoder().encode(input_data)
  81         policy_engine_url = 'api/polengine/v1/policyinfo'
  82         ret = req_by_msb(policy_engine_url, "POST", req_param)
  83         if ret[0] != 0:
  84             logger.error("Failed to send ns policy req")