gvnfmadapter/driver/interfaces/views.py

   1 # Copyright 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 inspect
  16 import json
  17 import logging
  18 import time
  19 import traceback
  20
  21 from drf_yasg.utils import swagger_auto_schema
  22 from rest_framework import status
  23 from rest_framework.response import Response
  24 from rest_framework.views import APIView
  25
  26 from driver.interfaces.serializers.serializers import VnfInstReqParamsSerializer, ResponseSerializer
  27 from driver.interfaces.serializers.serializers import VnfNotifyReqSerializer, VNFLCMOpOccSerializer
  28 from driver.interfaces.serializers.serializers import VnfOperRespSerializer
  29 from driver.interfaces.serializers.serializers import VnfTermReqSerializer, VnfQueryRespSerializer
  30 from driver.interfaces.serializers.grant_request import GrantRequestSerializer
  31 from driver.interfaces.serializers.grant import GrantSerializer
  32 from driver.interfaces.serializers.lccn_subscription import LccnSubscriptionSerializer
  33 from driver.interfaces.serializers.lccn_subscription_request import LccnSubscriptionRequestSerializer
  34 from driver.pub.exceptions import GvnfmDriverException
  35 from driver.pub.utils import restcall
  36 from driver.pub.utils.restcall import req_by_msb
  37 from driver.interfaces.serializers.operate_request import VnfOperateRequestSerializer
  38 from driver.interfaces.serializers.heal_request import HealVnfRequestSerializerToVnfm, VnfHealRequestSerializer
  39 from driver.interfaces.serializers.response import ProblemDetailsSerializer
  40
  41 logger = logging.getLogger(__name__)
  42
  43
  44 class VnfInstInfo(APIView):
  45     @swagger_auto_schema(
  46         request_body=VnfInstReqParamsSerializer(),
  47         responses={
  48             status.HTTP_201_CREATED: ResponseSerializer(),
  49             status.HTTP_404_NOT_FOUND: "The vnfm instance id is wrong",
  50             status.HTTP_500_INTERNAL_SERVER_ERROR: "The url is invalid"
  51         }
  52     )
  53     def post(self, request, vnfmtype, vnfmid):
  54         logger.debug("instantiate_vnf--post::> %s" % request.data)
  55         logger.debug("Create vnf begin!")
  56         try:
  57             requestSerializer = VnfInstReqParamsSerializer(data=request.data)
  58             request_isValid = requestSerializer.is_valid()
  59             if not request_isValid:
  60                 raise Exception(requestSerializer.errors)
  61
  62             # requestData = requestSerializer.data
  63             requestData = request.data
  64             input_data = {
  65                 "vnfdId": ignorcase_get(requestData, "vnfDescriptorId"),
  66                 "vnfInstanceName": ignorcase_get(requestData, "vnfInstanceName"),
  67                 "vnfInstanceDescription": ignorcase_get(requestData, "vnfInstanceDescription")
  68             }
  69             vnfm_id = vnfmid
  70             logger.debug("do_createvnf: request data=[%s],input_data=[%s],vnfm_id=[%s]",
  71                          request.data, input_data, vnfm_id)
  72             resp = do_createvnf(vnfm_id, input_data)
  73             logger.debug("do_createvnf: response data=[%s]", resp)
  74             logger.debug("Create vnf end!")
  75
  76             logger.debug("Instantiate vnf start!")
  77             vnfInstanceId = resp["id"]
  78             input_data = {
  79                 "flavourId": ignorcase_get(requestData, "flavourId"),
  80                 "extVirtualLinks": ignorcase_get(requestData, "extVirtualLink"),
  81                 "additionalParams": ignorcase_get(requestData, "additionalParam"),
  82             }
  83             logger.debug("do_instvnf: vnfInstanceId=[%s],request data=[%s],input_data=[%s],vnfm_id=[%s]",
  84                          vnfInstanceId, request.data, input_data, vnfm_id)
  85             resp = do_instvnf(vnfInstanceId, vnfm_id, input_data)
  86             logger.debug("do_instvnf: response data=[%s]", resp)
  87             resp_data = {
  88                 "vnfInstanceId": vnfInstanceId,
  89                 "jobId": ignorcase_get(resp, "jobId")
  90             }
  91             logger.debug("Instantiate vnf end!")
  92             return Response(data=resp_data, status=status.HTTP_201_CREATED)
  93         except GvnfmDriverException as e:
  94             logger.error('instantiate vnf failed, detail message: %s' % e.message)
  95             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  96         except:
  97             logger.error(traceback.format_exc())
  98             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
  99
 100
 101 class VnfTermInfo(APIView):
 102     @swagger_auto_schema(
 103         request_body=VnfTermReqSerializer(),
 104         responses={
 105             status.HTTP_201_CREATED: ResponseSerializer(),
 106             status.HTTP_404_NOT_FOUND: "The vnfmid and vnfInstanceId are wrong",
 107             status.HTTP_500_INTERNAL_SERVER_ERROR: "The url is invalid"
 108         }
 109     )
 110     def post(self, request, vnfmtype, vnfmid, vnfInstanceId):
 111         logger.debug("terminate_vnf--post::> %s" % request.data)
 112         vnfm_id = vnfmid
 113         try:
 114             term_type = ignorcase_get(request.data, "terminationType")
 115             input_data = {
 116                 "terminationType": term_type.upper() if term_type else "FORCEFUL"
 117             }
 118             term_timeout = ignorcase_get(request.data, "gracefulTerminationTimeout")
 119             if term_timeout:
 120                 input_data["gracefulTerminationTimeout"] = int(term_timeout)
 121
 122             logger.debug("do_terminatevnf: vnfm_id=[%s],vnfInstanceId=[%s],input_data=[%s]",
 123                          vnfm_id, vnfInstanceId, input_data)
 124             resp = do_terminatevnf(vnfm_id, vnfInstanceId, input_data)
 125             logger.debug("terminate_vnf: response data=[%s]", resp)
 126
 127             jobId = ignorcase_get(resp, "jobId")
 128             logger.debug("wait4job: vnfm_id=[%s],jobId=[%s]", vnfm_id, jobId)
 129             resp = wait4job(vnfm_id, jobId)
 130             logger.debug("[wait4job] response=[%s]", resp)
 131
 132             resp = do_deletevnf(vnfm_id, vnfInstanceId)
 133             logger.debug("do_deletevnf: response data=[%s]", resp)
 134
 135             resp_data = {
 136                 "vnfInstanceId": vnfInstanceId,
 137                 "jobId": jobId
 138             }
 139             return Response(data=resp_data, status=status.HTTP_201_CREATED)
 140         except GvnfmDriverException as e:
 141             logger.error('Terminate vnf failed, detail message: %s' % e.message)
 142             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 143         except:
 144             logger.error(traceback.format_exc())
 145             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 146
 147
 148 class VnfQueryInfo(APIView):
 149     @swagger_auto_schema(
 150         responses={
 151             status.HTTP_201_CREATED: VnfQueryRespSerializer(),
 152             status.HTTP_404_NOT_FOUND: "The vnfmid and vnfInstanceId are wrong",
 153             status.HTTP_500_INTERNAL_SERVER_ERROR: "The url is invalid"
 154         }
 155     )
 156     def get(self, request, vnfmtype, vnfmid, vnfInstanceId):
 157         logger.debug("query_vnf--post::> %s" % request.data)
 158         vnfm_id = vnfmid
 159         try:
 160             logger.debug("[%s] request.data=%s", fun_name(), request.data)
 161             resp = do_queryvnf(request, vnfm_id, vnfInstanceId)
 162             query_vnf_resp_mapping = {
 163                 "vnfInstanceId": "",
 164                 "vnfInstanceName": "",
 165                 "vnfInstanceDescription": "",
 166                 "vnfdId": "",
 167                 "vnfPackageId": "",
 168                 "version": "",
 169                 "vnfProvider": "",
 170                 "vnfType": "",
 171                 "vnfStatus": ""
 172             }
 173             ResponseInfo = ignorcase_get(resp, "ResponseInfo")
 174             resp_response_data = mapping_conv(query_vnf_resp_mapping, ResponseInfo)
 175             resp_data = {
 176                 "vnfInfo": resp_response_data
 177             }
 178             id = ignorcase_get(ResponseInfo, "id")
 179             if id:
 180                 resp_data["vnfInfo"]["vnfInstanceId"] = id
 181             vnfPkgId = ignorcase_get(ResponseInfo, "vnfPkgId")
 182             if vnfPkgId:
 183                 resp_data["vnfInfo"]["vnfPackageId"] = vnfPkgId
 184             vnfSoftwareVersion = ignorcase_get(ResponseInfo, "vnfSoftwareVersion")
 185             if vnfSoftwareVersion:
 186                 resp_data["vnfInfo"]["version"] = vnfSoftwareVersion
 187             if ignorcase_get(ResponseInfo, "instantiationState") == "INSTANTIATED":
 188                 resp_data["vnfInfo"]["vnfStatus"] = "ACTIVE"
 189             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 190             return Response(data=resp_data, status=status.HTTP_200_OK)
 191         except GvnfmDriverException as e:
 192             logger.error('Query vnf failed, detail message: %s' % e.message)
 193             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 194         except:
 195             logger.error(traceback.format_exc())
 196             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 197
 198
 199 class VnfOperInfo(APIView):
 200     @swagger_auto_schema(
 201         responses={
 202             status.HTTP_201_CREATED: VnfOperRespSerializer(),
 203             status.HTTP_404_NOT_FOUND: "The vnfmid, jobid and responseId are wrong",
 204             status.HTTP_500_INTERNAL_SERVER_ERROR: "The url is invalid"
 205         }
 206     )
 207     def get(self, request, vnfmtype, vnfmid, jobid):
 208         logger.debug("operation_status--post::> %s" % request.data)
 209         try:
 210             logger.debug("[%s] request.data=%s", fun_name(), request.data)
 211             vnfm_id = vnfmid
 212             jobId = jobid
 213             responseId = ignorcase_get(request.META, 'responseId')
 214             logger.debug("[operation_status] vnfm_id=%s", vnfm_id)
 215             vnfm_info = get_vnfminfo_from_nslcm(vnfm_id)
 216             logger.debug("[operation_status] vnfm_info=[%s]", vnfm_info)
 217
 218             ret = call_vnfm("api/vnflcm/v1/vnf_lc_ops/%s?responseId=%s" % (jobId, responseId), "GET", vnfm_info)
 219             if ret[0] != 0:
 220                 logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
 221                 raise GvnfmDriverException('Failed to query vnf operation status.')
 222             resp_data = json.JSONDecoder().decode(ret[1])
 223             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 224             # ResponseInfo = ignorcase_get(resp_data, "ResponseInfo")
 225             responseDescriptor = ignorcase_get(resp_data, "responseDescriptor")
 226             status_tmp = ignorcase_get(responseDescriptor, "status")
 227             # del responseDescriptor["lcmOperationStatus"]
 228             responseDescriptor["status"] = status_tmp
 229             operation_data = {
 230                 "jobId": ignorcase_get(resp_data, "jobId"),
 231                 "responseDescriptor": responseDescriptor
 232             }
 233             return Response(data=operation_data, status=status.HTTP_200_OK)
 234         except GvnfmDriverException as e:
 235             logger.error('Query vnf failed, detail message: %s' % e.message)
 236             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 237         except:
 238             logger.error(traceback.format_exc())
 239             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 240
 241
 242 class VnfGrantInfo(APIView):
 243     @swagger_auto_schema(
 244         request_body=GrantRequestSerializer(),  # TODO: not used
 245         responses={
 246             status.HTTP_201_CREATED: GrantSerializer(),
 247             status.HTTP_404_NOT_FOUND: "The request body is wrong",
 248             status.HTTP_500_INTERNAL_SERVER_ERROR: "The url is invalid"
 249         }
 250     )
 251     def put(self, request, vnfmtype):
 252         try:
 253             logger.debug("[grantvnf] req_data = %s", request.data)
 254             grant_request = GrantRequestSerializer(data=request.data)
 255             if not grant_request.is_valid():
 256                 raise GvnfmDriverException(grant_request.error_messages)
 257             ret = req_by_msb('api/nslcm/v2/grants', "POST", content=json.JSONEncoder().encode(request.data))
 258             logger.debug("ret = %s", ret)
 259             if ret[0] != 0:
 260                 logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
 261                 raise GvnfmDriverException('Failed to grant vnf.')
 262             resp = json.JSONDecoder().decode(ret[1])
 263             grant = GrantSerializer(data=resp)
 264             if not grant.is_valid():
 265                 logger.warn(grant.error_messages)
 266                 # raise GvnfmDriverException(grant.error_messages)
 267             logger.debug("[%s]resp_data=%s", fun_name(), resp)
 268             return Response(data=resp, status=status.HTTP_201_CREATED)
 269         except GvnfmDriverException as e:
 270             logger.error('Grant vnf failed, detail message: %s' % e.message)
 271             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 272         except:
 273             logger.error(traceback.format_exc())
 274             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 275
 276
 277 class VnfNotifyInfo(APIView):
 278     @swagger_auto_schema(
 279         request_body=VnfNotifyReqSerializer(),
 280         responses={
 281             status.HTTP_201_CREATED: "Successful Notify",
 282             status.HTTP_404_NOT_FOUND: "The request body is wrong",
 283             status.HTTP_500_INTERNAL_SERVER_ERROR: "The url is invalid"
 284         }
 285     )
 286     def post(self, request, vnfmtype):  # TODO: not compatable with VnfIdentifierCreationNotification and VnfIdentifierDeletionNotification
 287         try:
 288             logger.debug("[%s]req_data = %s", fun_name(), request.data)
 289             vnfminstid = ignorcase_get(request.data, 'vnfmInstId')
 290             vnfinstanceid = ignorcase_get(request.data, 'vnfInstanceId')
 291             request.data.pop("vnfmInstId")
 292             ret = req_by_msb("api/nslcm/v2/ns/%s/vnfs/%s/Notify" % (vnfminstid, vnfinstanceid), "POST",
 293                              json.JSONEncoder().encode(request.data))
 294             logger.debug("[%s]data = %s", fun_name(), ret)
 295             if ret[0] != 0:
 296                 logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
 297                 raise GvnfmDriverException('Failed to notify vnf.')
 298             return Response(data=None, status=status.HTTP_200_OK)
 299         except GvnfmDriverException as e:
 300             logger.error('Grant vnf failed, detail message: %s' % e.message)
 301             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 302         except:
 303             logger.error(traceback.format_exc())
 304             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 305
 306
 307 class VnfOperateView(APIView):
 308     @swagger_auto_schema(
 309         request_body=VnfOperateRequestSerializer(),
 310         responses={
 311             status.HTTP_202_ACCEPTED: "Success",
 312             status.HTTP_404_NOT_FOUND: ProblemDetailsSerializer(),
 313             status.HTTP_409_CONFLICT: ProblemDetailsSerializer(),
 314             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 315         }
 316     )
 317     def post(self, request, vnfmtype, vnfmid, vnfInstanceId):
 318         logger.debug("operate_vnf--post::> %s" % request.data)
 319         logger.debug("Operate vnf begin!")
 320         try:
 321             requestSerializer = VnfOperateRequestSerializer(data=request.data)
 322             request_isValid = requestSerializer.is_valid()
 323             if not request_isValid:
 324                 raise Exception(requestSerializer.errors)
 325             logger.debug("Operate vnf start!")
 326             logger.debug("do_operate: vnfmid=[%s],vnfInstanceId=[%s],request data=[%s]",
 327                          vnfmid, vnfInstanceId, request.data)
 328             statusCode, resp, location = do_lcmVnf(vnfmid, vnfInstanceId, request.data, "operate")
 329             logger.debug("do_operate: response data=[%s]", resp)
 330             logger.debug("Operate vnf end!")
 331             ret = int(statusCode)
 332             if ret == status.HTTP_404_NOT_FOUND:
 333                 return Response(data=resp, status=status.HTTP_404_NOT_FOUND)
 334             elif ret == status.HTTP_409_CONFLICT:
 335                 return Response(data=resp, status=status.HTTP_409_CONFLICT)
 336             response = Response(data=resp, status=status.HTTP_202_ACCEPTED)
 337             response["Location"] = location
 338             return response
 339         except GvnfmDriverException as e:
 340             logger.error('operate vnf failed, detail message: %s' % e.message)
 341             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 342         except:
 343             logger.error(traceback.format_exc())
 344             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 345
 346
 347 class VnfHealView(APIView):
 348     @swagger_auto_schema(
 349         request_body=VnfHealRequestSerializer(),
 350         responses={
 351             status.HTTP_202_ACCEPTED: "Success",
 352             status.HTTP_404_NOT_FOUND: ProblemDetailsSerializer(),
 353             status.HTTP_409_CONFLICT: ProblemDetailsSerializer(),
 354             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 355         }
 356     )
 357     def post(self, request, vnfmtype, vnfmid, vnfInstanceId):
 358         logger.debug("Heal_vnf--post::> %s" % request.data)
 359         logger.debug("Heal vnf begin!")
 360         try:
 361             requestSerializer = VnfHealRequestSerializer(data=request.data)
 362             request_isValid = requestSerializer.is_valid()
 363             if not request_isValid:
 364                 raise Exception(requestSerializer.errors)
 365             healdata = {
 366                 u"additionalParams": {
 367                     u"action": ignorcase_get(request.data, "action"),
 368                     u"affectedvm": ignorcase_get(request.data, "affectedvm")
 369                 }
 370             }
 371             input_data = HealVnfRequestSerializerToVnfm(data=healdata)
 372             resp_isvalid = input_data.is_valid()
 373             if not resp_isvalid:
 374                 raise GvnfmDriverException(input_data.errors)
 375             logger.debug("Heal vnf start!")
 376             logger.debug("do_heal: vnfmid=[%s],vnfInstanceId=[%s],request data=[%s]",
 377                          vnfmid, vnfInstanceId, input_data)
 378             statusCode, resp, location = do_lcmVnf(vnfmid, vnfInstanceId, input_data.data, "heal")
 379             logger.debug("do_heal: response data=[%s]", resp)
 380             logger.debug("Heal vnf end!")
 381             ret = int(statusCode)
 382             if ret == status.HTTP_404_NOT_FOUND:
 383                 return Response(data=resp, status=status.HTTP_404_NOT_FOUND)
 384             elif ret == status.HTTP_409_CONFLICT:
 385                 return Response(data=resp, status=status.HTTP_409_CONFLICT)
 386             response = Response(data=None, status=status.HTTP_202_ACCEPTED)
 387             response["Location"] = location
 388             return response
 389         except GvnfmDriverException as e:
 390             logger.error('Heal vnf failed, detail message: %s' % e.message)
 391             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 392         except:
 393             logger.error(traceback.format_exc())
 394             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 395
 396
 397 class VnfPkgsInfo(APIView):
 398     def get(request, *args, **kwargs):
 399         try:
 400             logger.debug("Enter %s", fun_name())
 401             ret = req_by_msb("api/nslcm/v1/vnfpackage", "GET")
 402             if ret[0] != 0:
 403                 logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
 404                 raise GvnfmDriverException('Failed to get vnfpkgs.')
 405             resp = json.JSONDecoder().decode(ret[1])
 406             return Response(data=resp, status=status.HTTP_200_OK)
 407         except GvnfmDriverException as e:
 408             logger.error('Get vnfpkgs failed, detail message: %s' % e.message)
 409             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 410         except:
 411             logger.error(traceback.format_exc())
 412             return Response(data={'error': 'unexpected exception'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 413
 414
 415 class QuerySingleVnfLcmOpOcc(APIView):
 416     @swagger_auto_schema(
 417         responses={
 418             status.HTTP_200_OK: VNFLCMOpOccSerializer(),
 419             status.HTTP_500_INTERNAL_SERVER_ERROR: ""
 420         }
 421     )
 422     def get(self, request, vnfmtype, vnfmid, lcmopoccid):
 423         logger.debug("[%s]LCMOpOccId = %s", fun_name(), lcmopoccid)
 424         try:
 425             vnfm_info = get_vnfminfo_from_nslcm(vnfmid)
 426             logger.debug("[get lcm op occ] vnfm_info=[%s]", vnfm_info)
 427             ret = call_vnfm("api/vnflcm/v1/vnf_lcm_op_occs/%s" % lcmopoccid, "GET", vnfm_info)
 428             if ret[0] != 0:
 429                 logger.error("Status code is %s. detail is %s.", ret[2], ret[1])
 430                 raise GvnfmDriverException("Failed to query vnf lcm op occ %s" % lcmopoccid)
 431             resp_data = json.JSONDecoder().decode(ret[1])
 432             vnf_lcm_op_occ_serializer = VNFLCMOpOccSerializer(data=resp_data)
 433             if vnf_lcm_op_occ_serializer.is_valid():
 434                 logger.debug("[%s]resp_data=%s" % (fun_name(), resp_data))
 435                 return Response(data=vnf_lcm_op_occ_serializer.data, status=status.HTTP_200_OK)
 436             else:
 437                 raise GvnfmDriverException(vnf_lcm_op_occ_serializer.errors)
 438         except GvnfmDriverException as e:
 439             logger.error("Query vnflcmopocc failed, detail message: %s" % e.message)
 440             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 441         except:
 442             logger.error(traceback.format_exc())
 443             return Response(data={'error': traceback.format_exc()}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 444
 445
 446 class Subscription(APIView):
 447     @swagger_auto_schema(
 448         request_body=LccnSubscriptionRequestSerializer(),
 449         responses={
 450             status.HTTP_201_CREATED: LccnSubscriptionSerializer(),
 451             status.HTTP_303_SEE_OTHER: None,
 452             status.HTTP_500_INTERNAL_SERVER_ERROR: "INTERNAL_SERVER_ERROR"
 453         }
 454     )
 455     def post(self, request, vnfmtype, vnfmid):
 456         logger.debug("Subscription--post::> %s" % request.data)
 457         logger.debug("Subscription begin!")
 458         try:
 459             lccn_subscription_request_serializer = LccnSubscriptionRequestSerializer(data=request.data)
 460             if not lccn_subscription_request_serializer.is_valid():
 461                 raise GvnfmDriverException(lccn_subscription_request_serializer.error_messages)
 462             resp_data = do_subscription(request.data, vnfmid)
 463             lccn_subscription_serializer = LccnSubscriptionSerializer(data=resp_data)
 464             if not lccn_subscription_serializer.is_valid():
 465                 logger.debug("[%s]resp_data=%s" % (fun_name(), resp_data))
 466                 raise GvnfmDriverException(lccn_subscription_serializer.errors)
 467             logger.debug("Subscription end!")
 468             return Response(data=lccn_subscription_serializer.data, status=status.HTTP_201_CREATED)
 469         except GvnfmDriverException as e:
 470             logger.error(e.message)
 471             return Response(status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 472         except Exception as e:
 473             logger.error(e.message)
 474             logger.error(traceback.format_exc())
 475             return Response(status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 476
 477
 478 def call_vnfm(resource, method, vnfm_info, data=""):
 479     ret = restcall.call_req(
 480         base_url=ignorcase_get(vnfm_info, "url"),
 481         user=ignorcase_get(vnfm_info, "userName"),
 482         passwd=ignorcase_get(vnfm_info, "password"),
 483         auth_type=restcall.rest_no_auth,
 484         resource=resource,
 485         method=method,
 486         content=json.JSONEncoder().encode(data))
 487     return ret
 488
 489
 490 def mapping_conv(keyword_map, rest_return):
 491     resp_data = {}
 492     for param in keyword_map:
 493         # if keyword_map[param]:
 494         if isinstance(keyword_map[param], dict):
 495             resp_data[param] = mapping_conv(keyword_map[param], ignorcase_get(rest_return, param))
 496         else:
 497             value = ignorcase_get(rest_return, param)
 498             if value:
 499                 resp_data[param] = value
 500     return resp_data
 501
 502
 503 def fun_name():
 504     return "=========%s=========" % inspect.stack()[1][3]
 505
 506
 507 def ignorcase_get(args, key):
 508     if not key:
 509         return ""
 510     if not args:
 511         return ""
 512     if key in args:
 513         return args[key]
 514     for old_key in args:
 515         if old_key.upper() == key.upper():
 516             return args[old_key]
 517     return ""
 518
 519
 520 def get_vnfminfo_from_nslcm(vnfm_id):
 521     logger.debug("[get_vnfminfo_from_nslcm] vnfm_id=[%s]", vnfm_id)
 522     # ret = req_by_msb("api/aai-esr-server/v1/vnfms/%s" % vnfm_id, "GET")
 523     ret = req_by_msb("api/nslcm/v1/vnfms/%s" % vnfm_id, "GET")
 524     logger.debug("[get_vnfminfo_from_nslcm] response=%s", ret)
 525     if ret[0] != 0:
 526         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
 527         raise GvnfmDriverException("Failed to query vnfm(%s) from nslcm." % vnfm_id)
 528     return json.JSONDecoder().decode(ret[1])
 529
 530
 531 def wait4job(vnfm_id, job_id, gracefulTerminationTimeout=1200, retry_count=60, interval_second=3):
 532     logger.debug("[wait4job] vnfm_id=[%s],jobId=[%s],gracefulTerminationTimeout=[%s]",
 533                  vnfm_id, job_id, gracefulTerminationTimeout)
 534     count = 0
 535     response_id, new_response_id = 0, 0
 536     job_end_normal, job_timeout = False, True
 537     vnfm_info = get_vnfminfo_from_nslcm(vnfm_id)
 538     logger.debug("[do_terminatevnf] vnfm_info=[%s]", vnfm_info)
 539     while count < retry_count:
 540         count = count + 1
 541         time.sleep(interval_second)
 542         ret = call_vnfm("api/vnflcm/v1/vnf_lc_ops/%s?responseId=%s" % (job_id, response_id), "GET", vnfm_info)
 543         if ret[0] != 0:
 544             logger.error("Failed to query job: %s:%s", ret[2], ret[1])
 545             continue
 546         job_result = json.JSONDecoder().decode(ret[1])
 547         if "responseDescriptor" not in job_result:
 548             logger.error("Job(%s) does not exist.", job_id)
 549             continue
 550         progress = str(job_result["responseDescriptor"]["progress"])
 551         new_response_id = job_result["responseDescriptor"]["responseId"]
 552         job_desc = job_result["responseDescriptor"]["statusDescription"]
 553         if new_response_id != response_id:
 554             logger.debug("%s:%s:%s", progress, new_response_id, job_desc)
 555             response_id = new_response_id
 556             count = 0
 557         if progress == "255":
 558             job_timeout = False
 559             logger.error("Job(%s) failed: %s", job_id, job_desc)
 560             break
 561         elif progress == "100":
 562             job_end_normal, job_timeout = True, False
 563             logger.debug("Job(%s) ended normally,job_end_normal=[%s],job_timeout=[%s]",
 564                          job_id, job_end_normal, job_timeout)
 565             return {"success": "success"}
 566     if job_timeout:
 567         logger.error("Job(%s) timeout", job_id)
 568     raise GvnfmDriverException("Fail to get job status!")
 569
 570
 571 def do_createvnf(vnfm_id, data):
 572     logger.debug("[%s] request.data=%s", fun_name(), data)
 573     vnfm_info = get_vnfminfo_from_nslcm(vnfm_id)
 574     logger.debug("[do_createvnf] vnfm_info=[%s]", vnfm_info)
 575     ret = call_vnfm("api/vnflcm/v1/vnf_instances", "POST", vnfm_info, data)
 576     logger.debug("[%s] call_req ret=%s", fun_name(), ret)
 577     if ret[0] != 0:
 578         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
 579         raise GvnfmDriverException('Failed to create vnf.')
 580     return json.JSONDecoder().decode(ret[1])
 581
 582
 583 def do_instvnf(vnfInstanceId, vnfm_id, data):
 584     logger.debug("[%s] request.data=%s", fun_name(), data)
 585     vnfm_info = get_vnfminfo_from_nslcm(vnfm_id)
 586     logger.debug("[do_instvnf] vnfm_info=[%s]", vnfm_info)
 587     ret = call_vnfm("api/vnflcm/v1/vnf_instances/%s/instantiate" % vnfInstanceId, "POST", vnfm_info, data)
 588     logger.debug("[%s] call_req ret=%s", fun_name(), ret)
 589     if ret[0] != 0:
 590         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
 591         raise GvnfmDriverException('Failed to inst vnf.')
 592     return json.JSONDecoder().decode(ret[1])
 593
 594
 595 def do_terminatevnf(vnfm_id, vnfInstanceId, data):
 596     logger.debug("[%s] request.data=%s", fun_name(), data)
 597     vnfm_info = get_vnfminfo_from_nslcm(vnfm_id)
 598     logger.debug("[do_terminatevnf] vnfm_info=[%s]", vnfm_info)
 599     ret = call_vnfm("api/vnflcm/v1/vnf_instances/%s/terminate" % vnfInstanceId, "POST", vnfm_info, data)
 600     if ret[0] != 0:
 601         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
 602         raise GvnfmDriverException('Failed to terminate vnf.')
 603     return json.JSONDecoder().decode(ret[1])
 604
 605
 606 def do_deletevnf(vnfm_id, vnfInstanceId):
 607     logger.debug("[%s] vnfm_id=%s, vnfInstanceId=%s", fun_name(), vnfm_id, vnfInstanceId)
 608     vnfm_info = get_vnfminfo_from_nslcm(vnfm_id)
 609     logger.debug("[do_deletevnf] vnfm_info=[%s]", vnfm_info)
 610     ret = call_vnfm("api/vnflcm/v1/vnf_instances/%s" % vnfInstanceId, "DELETE", vnfm_info)
 611     if ret[0] != 0:
 612         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
 613         raise GvnfmDriverException('Failed to delete vnf.')
 614     return ret[1]
 615
 616
 617 def do_lcmVnf(vnfm_id, vnfInstanceId, data, lcmType):
 618     logger.debug("[%s] request.data=%s", fun_name(), data)
 619     vnfm_info = get_vnfminfo_from_nslcm(vnfm_id)
 620     logger.debug("[do_lcmVnf] vnfm_info=[%s]", vnfm_info)
 621     ret = call_vnfm("api/vnflcm/v1/vnf_instances/%s/%s" % (vnfInstanceId, lcmType), "POST", vnfm_info, data)
 622     if ret[0] != 0 and int(ret[2]) != status.HTTP_404_NOT_FOUND and int(ret[2]) != status.HTTP_409_CONFLICT:
 623         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
 624         raise GvnfmDriverException('Failed to Operate vnf.')
 625     return (ret[2], json.JSONDecoder().decode(ret[1]), ret[3])
 626
 627
 628 def do_queryvnf(data, vnfm_id, vnfInstanceId):
 629     logger.debug("[%s] request.data=%s", fun_name(), data)
 630     vnfm_info = get_vnfminfo_from_nslcm(vnfm_id)
 631     logger.debug("[do_deletevnf] vnfm_info=[%s]", vnfm_info)
 632     ret = call_vnfm("api/vnflcm/v1/vnf_instances/%s" % vnfInstanceId, "GET", vnfm_info)
 633     if ret[0] != 0:
 634         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
 635         raise GvnfmDriverException('Failed to query vnf.')
 636     return json.JSONDecoder().decode(ret[1])
 637
 638
 639 def do_subscription(data, vnfm_id):
 640     logger.debug("[%s] request.data=%s", fun_name(), data)
 641     vnfm_info = get_vnfminfo_from_nslcm(vnfm_id)
 642     logger.debug("[do_subscription] vnfm_info=[%s]", vnfm_info)
 643     ret = call_vnfm("api/vnflcm/v1/subscriptions", "POST", vnfm_info, data)
 644     logger.debug("[%s] call_req ret=%s", fun_name(), ret)
 645     if ret[0] != 0:
 646         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
 647         raise GvnfmDriverException('Failed to subscribe.')
 648     return json.JSONDecoder().decode(ret[1])