lcm/ns/views/views.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 import json
  15 import logging
  16 import traceback
  17
  18 from drf_yasg.utils import swagger_auto_schema
  19 from lcm.ns.biz.ns_create import CreateNSService
  20 from lcm.ns.biz.ns_get import GetNSInfoService
  21 from lcm.ns.biz.ns_heal import NSHealService
  22 from lcm.ns.biz.ns_instant import InstantNSService
  23 from lcm.ns.biz.ns_manual_scale import NSManualScaleService
  24 from lcm.ns.biz.ns_terminate import TerminateNsService
  25 from rest_framework import status
  26 from rest_framework.response import Response
  27 from rest_framework.views import APIView
  28
  29 from lcm.ns.biz.ns_delete import DeleteNsService
  30 from lcm.ns.serializers.ns_serializers import CreateNsReqSerializer, CreateNsRespSerializer
  31 from lcm.ns.serializers.ns_serializers import HealNsReqSerializer
  32 from lcm.ns.serializers.ns_serializers import InstNsPostDealReqSerializer
  33 from lcm.ns.serializers.ns_serializers import InstantNsReqSerializer
  34 from lcm.ns.serializers.ns_serializers import ManualScaleNsReqSerializer
  35 from lcm.ns.serializers.ns_serializers import NsOperateJobSerializer
  36 from lcm.ns.serializers.ns_serializers import QueryNsRespSerializer
  37 from lcm.ns.serializers.ns_serializers import TerminateNsReqSerializer
  38 from lcm.pub.database.models import NSInstModel, ServiceBaseInfoModel
  39 from lcm.pub.exceptions import NSLCMException
  40 from lcm.pub.utils.jobutil import JobUtil, JOB_TYPE
  41 from lcm.pub.utils.restcall import req_by_msb
  42 from lcm.pub.utils.values import ignore_case_get
  43
  44 logger = logging.getLogger(__name__)
  45
  46
  47 class CreateNSView(APIView):
  48     @swagger_auto_schema(
  49         request_body=None,
  50         responses={
  51             status.HTTP_200_OK: QueryNsRespSerializer(help_text="NS instances", many=True),
  52             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  53         }
  54     )
  55     def get(self, request):
  56         try:
  57             logger.debug("CreateNSView::get")
  58             ret = GetNSInfoService().get_ns_info()
  59             logger.debug("CreateNSView::get::ret=%s", ret)
  60             resp_serializer = QueryNsRespSerializer(data=ret, many=True)
  61             if not resp_serializer.is_valid():
  62                 raise NSLCMException(resp_serializer.errors)
  63             return Response(data=resp_serializer.data, status=status.HTTP_200_OK)
  64         except Exception as e:
  65             logger.error(traceback.format_exc())
  66             logger.error("Exception in GetNS: %s", e.message)
  67             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  68
  69     @swagger_auto_schema(
  70         request_body=CreateNsReqSerializer(),
  71         responses={
  72             status.HTTP_201_CREATED: CreateNsRespSerializer(),
  73             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
  74         }
  75     )
  76     def post(self, request):
  77         logger.debug("Enter CreateNS: %s", request.data)
  78         try:
  79             req_serializer = CreateNsReqSerializer(data=request.data)
  80             if not req_serializer.is_valid():
  81                 raise NSLCMException(req_serializer.errors)
  82
  83             if ignore_case_get(request.data, 'test') == "test":
  84                 return Response(data={'nsInstanceId': "test"}, status=status.HTTP_201_CREATED)
  85             csar_id = ignore_case_get(request.data, 'csarId')
  86             ns_name = ignore_case_get(request.data, 'nsName')
  87             description = ignore_case_get(request.data, 'description')
  88             context = ignore_case_get(request.data, 'context')
  89             ns_inst_id = CreateNSService(csar_id, ns_name, description, context).do_biz()
  90
  91             logger.debug("CreateNSView::post::ret={'nsInstanceId':%s}", ns_inst_id)
  92             resp_serializer = CreateNsRespSerializer(data={'nsInstanceId': ns_inst_id})
  93             if not resp_serializer.is_valid():
  94                 raise NSLCMException(resp_serializer.errors)
  95             return Response(data=resp_serializer.data, status=status.HTTP_201_CREATED)
  96         except Exception as e:
  97             logger.error(traceback.format_exc())
  98             logger.error("Exception in CreateNS: %s", e.message)
  99             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 100
 101
 102 class NSInstView(APIView):
 103     @swagger_auto_schema(
 104         request_body=InstantNsReqSerializer(),
 105         responses={
 106             status.HTTP_200_OK: NsOperateJobSerializer(),
 107             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
 108         }
 109     )
 110     def post(self, request, ns_instance_id):
 111         logger.debug("Enter NSInstView::post::ns_instance_id=%s", ns_instance_id)
 112         logger.debug("request.data=%s", request.data)
 113         req_serializer = InstantNsReqSerializer(data=request.data)
 114         if not req_serializer.is_valid():
 115             return Response({'error': req_serializer.errors},
 116                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 117         ack = InstantNSService(ns_instance_id, request.data).do_biz()
 118         resp_serializer = NsOperateJobSerializer(data=ack['data'])
 119         if not resp_serializer.is_valid():
 120             return Response({'error': resp_serializer.errors},
 121                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 122         logger.debug("Leave NSInstView::post::ack=%s", ack)
 123         return Response(data=resp_serializer.data, status=ack['status'])
 124
 125
 126 class TerminateNSView(APIView):
 127     @swagger_auto_schema(
 128         request_body=TerminateNsReqSerializer(),
 129         responses={
 130             status.HTTP_202_ACCEPTED: NsOperateJobSerializer(),
 131             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
 132         }
 133     )
 134     def post(self, request, ns_instance_id):
 135         try:
 136             logger.debug("Enter TerminateNSView::post %s", request.data)
 137             req_serializer = TerminateNsReqSerializer(data=request.data)
 138             if not req_serializer.is_valid():
 139                 raise NSLCMException(req_serializer.errors)
 140
 141             termination_type = ignore_case_get(request.data, 'terminationType')
 142             graceful_termination_timeout = ignore_case_get(request.data, 'gracefulTerminationTimeout')
 143             job_id = JobUtil.create_job("VNF", JOB_TYPE.TERMINATE_VNF, ns_instance_id)
 144             TerminateNsService(ns_instance_id, termination_type, graceful_termination_timeout, job_id).start()
 145
 146             resp_serializer = NsOperateJobSerializer(data={'jobId': job_id})
 147             if not resp_serializer.is_valid():
 148                 raise NSLCMException(resp_serializer.errors)
 149             logger.debug("Leave TerminateNSView::post ret=%s", resp_serializer.data)
 150             return Response(data=resp_serializer.data, status=status.HTTP_202_ACCEPTED)
 151         except Exception as e:
 152             logger.error("Exception in CreateNS: %s", e.message)
 153             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 154
 155
 156 class NSHealView(APIView):
 157     @swagger_auto_schema(
 158         request_body=HealNsReqSerializer(),
 159         responses={
 160             status.HTTP_202_ACCEPTED: NsOperateJobSerializer(),
 161             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
 162         }
 163     )
 164     def post(self, request, ns_instance_id):
 165         try:
 166             logger.debug("Enter HealNSView::post %s", request.data)
 167             logger.debug("Enter HealNSView:: %s", ns_instance_id)
 168             req_serializer = HealNsReqSerializer(data=request.data)
 169             if not req_serializer.is_valid():
 170                 raise NSLCMException(req_serializer.errors)
 171
 172             job_id = JobUtil.create_job("VNF", JOB_TYPE.HEAL_VNF, ns_instance_id)
 173             NSHealService(ns_instance_id, request.data, job_id).start()
 174
 175             resp_serializer = NsOperateJobSerializer(data={'jobId': job_id})
 176             if not resp_serializer.is_valid():
 177                 raise NSLCMException(resp_serializer.errors)
 178
 179             logger.debug("Leave HealNSView::post ret=%s", resp_serializer.data)
 180             return Response(data=resp_serializer.data, status=status.HTTP_202_ACCEPTED)
 181         except Exception as e:
 182             logger.error("Exception in HealNSView: %s", e.message)
 183             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 184
 185
 186 class NSDetailView(APIView):
 187     @swagger_auto_schema(
 188         request_body=None,
 189         responses={
 190             status.HTTP_200_OK: QueryNsRespSerializer(help_text="NS instance", many=True),
 191             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error",
 192             status.HTTP_404_NOT_FOUND: "Ns instance does not exist"
 193         }
 194     )
 195     def get(self, request, ns_instance_id):
 196         try:
 197             logger.debug("Enter NSDetailView::get ns(%s)", ns_instance_id)
 198             ns_filter = {"ns_inst_id": ns_instance_id}
 199             ret = GetNSInfoService(ns_filter).get_ns_info()
 200             if not ret:
 201                 return Response(status=status.HTTP_404_NOT_FOUND)
 202             logger.debug("Leave NSDetailView::get::ret=%s", ret)
 203             resp_serializer = QueryNsRespSerializer(data=ret, many=True)
 204             if not resp_serializer.is_valid():
 205                 raise NSLCMException(resp_serializer.errors)
 206             return Response(data=resp_serializer.data, status=status.HTTP_200_OK)
 207         except Exception as e:
 208             logger.error(traceback.format_exc())
 209             logger.error("Exception in GetNSDetail: %s", e.message)
 210             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 211
 212     @swagger_auto_schema(
 213         request_body=None,
 214         responses={
 215             status.HTTP_204_NO_CONTENT: 'successful',
 216             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
 217         }
 218     )
 219     def delete(self, request, ns_instance_id):
 220         try:
 221             logger.debug("Enter NSDetailView::delete ns(%s)", ns_instance_id)
 222             DeleteNsService(ns_instance_id).do_biz()
 223             return Response(data={}, status=status.HTTP_204_NO_CONTENT)
 224         except Exception as e:
 225             logger.error(traceback.format_exc())
 226             logger.error("Exception in delete NS: %s", e.message)
 227             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 228
 229
 230 class NSInstPostDealView(APIView):
 231     @swagger_auto_schema(
 232         request_body=InstNsPostDealReqSerializer(help_text="NS instant post deal"),
 233         responses={
 234             status.HTTP_202_ACCEPTED: "NS instant post deal success",
 235             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
 236         }
 237     )
 238     def post(self, request, ns_instance_id):
 239         logger.debug("Enter NSInstPostDealView::post %s, %s", request.data, ns_instance_id)
 240         ns_post_status = ignore_case_get(request.data, 'status')
 241         ns_status = 'ACTIVE' if ns_post_status == 'true' else 'FAILED'
 242         ns_opr_status = 'success' if ns_post_status == 'true' else 'failed'
 243         try:
 244             req_serializer = InstNsPostDealReqSerializer(data=request.data)
 245             if not req_serializer.is_valid():
 246                 raise NSLCMException(req_serializer.errors)
 247             NSInstModel.objects.filter(id=ns_instance_id).update(status=ns_status)
 248             ServiceBaseInfoModel.objects.filter(service_id=ns_instance_id).update(
 249                 active_status=ns_status, status=ns_opr_status)
 250             nsd_info = NSInstModel.objects.filter(id=ns_instance_id)
 251             nsd_id = nsd_info[0].nsd_id
 252             nsd_model = json.loads(nsd_info[0].nsd_model)
 253             if "policies" in nsd_model and nsd_model["policies"]:
 254                 policy = nsd_model["policies"][0]
 255                 if "properties" in policy and policy["properties"]:
 256                     file_url = ignore_case_get(policy["properties"][0], "drl_file_url")
 257                 else:
 258                     file_url = ""
 259                 self.send_policy_request(ns_instance_id, nsd_id, file_url)
 260         except:
 261             logger.error(traceback.format_exc())
 262             return Response(data={'error': 'Failed to update status of NS(%s)' % ns_instance_id},
 263                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 264         logger.debug("*****NS INST %s, %s******", ns_status, ns_opr_status)
 265         return Response(data={'success': 'Update status of NS(%s) to %s' % (ns_instance_id, ns_status)},
 266                         status=status.HTTP_202_ACCEPTED)
 267
 268     def send_policy_request(self, ns_instance_id, nsd_id, file_url):
 269         input_data = {
 270             "nsid": ns_instance_id,
 271             "nsdid": nsd_id,
 272             "fileUri": file_url
 273         }
 274         req_param = json.JSONEncoder().encode(input_data)
 275         policy_engine_url = 'api/polengine/v1/policyinfo'
 276         ret = req_by_msb(policy_engine_url, "POST", req_param)
 277         if ret[0] != 0:
 278             logger.error("Failed to send ns policy req")
 279
 280
 281 class NSManualScaleView(APIView):
 282     @swagger_auto_schema(
 283         request_body=ManualScaleNsReqSerializer(help_text="NS manual scale"),
 284         responses={
 285             status.HTTP_202_ACCEPTED: NsOperateJobSerializer(),
 286             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
 287         }
 288     )
 289     def post(self, request, ns_instance_id):
 290         logger.debug("Enter NSManualScaleView::post %s, %s", request.data, ns_instance_id)
 291         job_id = JobUtil.create_job("NS", JOB_TYPE.MANUAL_SCALE_VNF, ns_instance_id)
 292         try:
 293             req_serializer = ManualScaleNsReqSerializer(data=request.data)
 294             if not req_serializer.is_valid():
 295                 raise NSLCMException(req_serializer.errors)
 296
 297             NSManualScaleService(ns_instance_id, request.data, job_id).start()
 298
 299             resp_serializer = NsOperateJobSerializer(data={'jobId': job_id})
 300             if not resp_serializer.is_valid():
 301                 raise NSLCMException(resp_serializer.errors)
 302
 303             return Response(data=resp_serializer.data, status=status.HTTP_202_ACCEPTED)
 304         except Exception as e:
 305             logger.error(traceback.format_exc())
 306             JobUtil.add_job_status(job_id, 255, 'NS scale failed: %s' % e.message)
 307             return Response(data={'error': 'NS scale failed: %s' % ns_instance_id},
 308                             status=status.HTTP_500_INTERNAL_SERVER_ERROR)