1 # Copyright 2016 ZTE Corporation.
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
7 # http://www.apache.org/licenses/LICENSE-2.0
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.
16 from drf_yasg.utils import swagger_auto_schema
17 from rest_framework import status
18 from rest_framework.response import Response
19 from rest_framework.views import APIView
20 from lcm.ns.biz.ns_manual_scale import NSManualScaleService
21 from lcm.ns.serializers.sol.scale_ns_serializers import ScaleNsRequestSerializer
22 from lcm.pub.utils.jobutil import JobUtil
23 from lcm.jobs.enum import JOB_TYPE, JOB_ACTION
24 from lcm.ns.const import NS_OCC_BASE_URI
25 from lcm.pub.exceptions import BadRequestException
26 from lcm.ns.serializers.sol.pub_serializers import ProblemDetailsSerializer
27 from .common import view_safe_call_with_log
29 logger = logging.getLogger(__name__)
32 class ScaleNSView(APIView):
34 This task resource represents the "Scale NS" operation.
35 The client can use this resource to request to scale a NS instance.
38 request_body=ScaleNsRequestSerializer(help_text="NS Scale"),
40 status.HTTP_202_ACCEPTED: "HTTP_202_ACCEPTED",
41 status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
44 @view_safe_call_with_log(logger=logger)
45 def post(self, request, ns_instance_id):
47 The POST method requests to scale a NS instance resource.
49 :param ns_instance_id:
52 logger.debug("Enter ScaleNSView::post %s, %s", request.data, ns_instance_id)
54 req_serializer = ScaleNsRequestSerializer(data=request.data)
55 if not req_serializer.is_valid():
56 raise BadRequestException(req_serializer.errors)
58 job_id = JobUtil.create_job(JOB_TYPE.NS, JOB_ACTION.MANUAL_SCALE, ns_instance_id)
60 nsManualScaleService = NSManualScaleService(ns_instance_id, request.data, job_id)
61 nsManualScaleService.start()
62 response = Response(data={}, status=status.HTTP_202_ACCEPTED)
63 logger.debug("Location: %s" % nsManualScaleService.occ_id)
64 response["Location"] = NS_OCC_BASE_URI % nsManualScaleService.occ_id
65 logger.debug("Leave ScaleNSView")