zte/vmanager/driver/interfaces/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
  15 import inspect
  16 import json
  17 import logging
  18 import os
  19 import traceback
  20
  21 from drf_yasg import openapi
  22 from drf_yasg.utils import swagger_auto_schema
  23 from rest_framework import status
  24 from rest_framework.decorators import api_view
  25 from rest_framework.response import Response
  26 from rest_framework.views import APIView
  27
  28 from driver.interfaces.serializers import HealReqSerializer, InstScaleHealRespSerializer, ScaleReqSerializer, \
  29     NotifyReqSerializer, GrantRespSerializer, GrantReqSerializer, JobQueryRespSerializer
  30 from driver.pub.config.config import VNF_FTP
  31 from driver.pub.utils import restcall
  32 from driver.pub.utils.restcall import req_by_msb
  33
  34 logger = logging.getLogger(__name__)
  35
  36
  37 def load_json_file(file_name):
  38     json_file = os.path.join(os.path.dirname(__file__), "data/" + file_name)
  39     f = open(json_file)
  40     json_data = json.JSONDecoder().decode(f.read())
  41     f.close()
  42     return json_data
  43
  44
  45 def fun_name():
  46     return "=================%s==================" % inspect.stack()[1][3]
  47
  48
  49 def ignorcase_get(args, key):
  50     if not key:
  51         return ""
  52     if not args:
  53         return ""
  54     if key in args:
  55         return args[key]
  56     for old_key in args:
  57         if old_key.upper() == key.upper():
  58             return args[old_key]
  59     return ""
  60
  61
  62 def mapping_conv(keyword_map, rest_return):
  63     resp_data = {}
  64     for param in keyword_map:
  65         if keyword_map[param]:
  66             resp_data[keyword_map[param]] = ignorcase_get(rest_return, param)
  67     return resp_data
  68
  69
  70 # Query vnfm_info from nslcm
  71 def get_vnfminfo_from_nslcm(vnfmid):
  72     ret = req_by_msb("api/nslcm/v1/vnfms/%s" % vnfmid, "GET")
  73     return ret
  74
  75
  76 # Query vnfd_info from nslcm
  77 def vnfd_get(vnfpackageid):
  78     ret = req_by_msb("api/nslcm/v1/vnfpackage/%s" % vnfpackageid, "GET")
  79     return ret
  80
  81
  82 # Query vnfpackage_info from nslcm
  83 def vnfpackage_get(csarid):
  84     ret = req_by_msb("api/nslcm/v1/vnfpackage/%s" % csarid, "GET")
  85     return ret
  86
  87
  88 @api_view(http_method_names=['POST'])
  89 def instantiate_vnf(request, *args, **kwargs):
  90     try:
  91         logger.debug("[%s] request.data=%s", fun_name(), request.data)
  92         vnfm_id = ignorcase_get(kwargs, "vnfmid")
  93         ret = get_vnfminfo_from_nslcm(vnfm_id)
  94         if ret[0] != 0:
  95             return Response(data={'error': ret[1]}, status=ret[2])
  96         vnfm_info = json.JSONDecoder().decode(ret[1])
  97         logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
  98         vnf_package_id = ignorcase_get(request.data, "vnfPackageId")
  99         ret = vnfd_get(vnf_package_id)
 100         if ret[0] != 0:
 101             return Response(data={'error': ret[1]}, status=ret[2])
 102         vnfd_info = json.JSONDecoder().decode(ret[1])
 103         logger.debug("[%s] vnfd_info=%s", fun_name(), vnfd_info)
 104         csar_id = ignorcase_get(vnfd_info, "csarId")
 105         ret = vnfpackage_get(csar_id)
 106         if ret[0] != 0:
 107             return Response(data={'error': ret[1]}, status=ret[2])
 108         vnf_package_info = json.JSONDecoder().decode(ret[1])
 109         packageInfo = ignorcase_get(vnf_package_info, "packageInfo")
 110         logger.debug("[%s] packageInfo=%s", fun_name(), packageInfo)
 111         data = {}
 112         data["NFVOID"] = 1
 113         data["VNFMID"] = vnfm_id
 114         vnfdModel = json.loads(ignorcase_get(packageInfo, "vnfdModel"))
 115         metadata = ignorcase_get(vnfdModel, "metadata")
 116         vnfd_name = ignorcase_get(metadata, "name")
 117         # TODO  convert sdc vnf package to vnf vender package
 118         inputs = []
 119         if "SPGW" in vnfd_name.upper():
 120             data["VNFD"] = VNF_FTP + "SPGW"
 121             inputs = load_json_file("SPGW" + "_inputs.json")
 122         elif "MME" in vnfd_name.upper():
 123             data["VNFD"] = VNF_FTP + "MME"
 124             inputs = load_json_file("MME" + "_inputs.json")
 125         else:
 126             data["VNFD"] = ignorcase_get(packageInfo, "downloadUri")
 127
 128         data["VNFURL"] = data["VNFD"]
 129
 130         data["extension"] = {}
 131         for name, value in ignorcase_get(ignorcase_get(request.data, "additionalParam"), "inputs").items():
 132             inputs.append({"name": name, "value": value})
 133
 134         data["extension"]["inputs"] = json.dumps(inputs)
 135         additionalParam = ignorcase_get(request.data, "additionalParam")
 136         data["extension"]["extVirtualLinks"] = ignorcase_get(additionalParam, "extVirtualLinks")
 137         data["extension"]["vnfinstancename"] = ignorcase_get(request.data, "vnfInstanceName")
 138         data["extension"]["vnfid"] = data["VNFD"]
 139         data["extension"]["multivim"] = 0
 140         logger.debug("[%s] call_req data=%s", fun_name(), data)
 141
 142         ret = restcall.call_req(
 143             base_url=ignorcase_get(vnfm_info, "url"),
 144             user=ignorcase_get(vnfm_info, "userName"),
 145             passwd=ignorcase_get(vnfm_info, "password"),
 146             auth_type=restcall.rest_no_auth,
 147             resource="v1/vnfs",
 148             method='post',
 149             content=json.JSONEncoder().encode(data))
 150
 151         logger.debug("[%s] call_req ret=%s", fun_name(), ret)
 152         if ret[0] != 0:
 153             return Response(data={'error': ret[1]}, status=ret[2])
 154         resp = json.JSONDecoder().decode(ret[1])
 155         resp_data = {
 156             "vnfInstanceId": ignorcase_get(resp, "VNFInstanceID"),
 157             "jobId": ignorcase_get(resp, "JobId")
 158         }
 159         logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 160     except Exception as e:
 161         logger.error("Error occurred when instantiating VNF")
 162         raise e
 163     return Response(data=resp_data, status=ret[2])
 164
 165
 166 @api_view(http_method_names=['POST'])
 167 def terminate_vnf(request, *args, **kwargs):
 168     try:
 169         logger.debug("[%s] request.data=%s", fun_name(), request.data)
 170         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 171         ret = get_vnfminfo_from_nslcm(vnfm_id)
 172         if ret[0] != 0:
 173             return Response(data={'error': ret[1]}, status=ret[2])
 174         vnfm_info = json.JSONDecoder().decode(ret[1])
 175         logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 176         ret = restcall.call_req(
 177             base_url=ignorcase_get(vnfm_info, "url"),
 178             user=ignorcase_get(vnfm_info, "userName"),
 179             passwd=ignorcase_get(vnfm_info, "password"),
 180             auth_type=restcall.rest_no_auth,
 181             resource="v1/vnfs/%s" % (ignorcase_get(kwargs, "vnfInstanceID")),
 182             method='delete',
 183             content=json.JSONEncoder().encode(request.data))
 184         if ret[0] != 0:
 185             return Response(data={'error': ret[1]}, status=ret[2])
 186         resp = json.JSONDecoder().decode(ret[1])
 187         resp_data = {
 188             "vnfInstanceId": ignorcase_get(resp, "VNFInstanceID"),
 189             "jobId": ignorcase_get(resp, "JobId")
 190         }
 191         logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 192     except Exception as e:
 193         logger.error("Error occurred when terminating VNF")
 194         raise e
 195     return Response(data=resp_data, status=ret[2])
 196
 197
 198 @api_view(http_method_names=['GET'])
 199 def query_vnf(request, *args, **kwargs):
 200     try:
 201         logger.debug("[%s] request.data=%s", fun_name(), request.data)
 202         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 203         ret = get_vnfminfo_from_nslcm(vnfm_id)
 204         if ret[0] != 0:
 205             return Response(data={'error': ret[1]}, status=ret[2])
 206         vnfm_info = json.JSONDecoder().decode(ret[1])
 207         logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 208         ret = restcall.call_req(
 209             base_url=ignorcase_get(vnfm_info, "url"),
 210             user=ignorcase_get(vnfm_info, "userName"),
 211             passwd=ignorcase_get(vnfm_info, "password"),
 212             auth_type=restcall.rest_no_auth,
 213             resource="v1/vnfs/%s" % (ignorcase_get(kwargs, "vnfInstanceID")),
 214             method='get',
 215             content=json.JSONEncoder().encode({}))
 216         if ret[0] != 0:
 217             return Response(data={'error': ret[1]}, status=ret[2])
 218         resp = json.JSONDecoder().decode(ret[1])
 219         vnf_status = ignorcase_get(resp, "vnfinstancestatus")
 220         resp_data = {"vnfInfo": {"vnfStatus": vnf_status}}
 221         logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 222     except Exception as e:
 223         logger.error("Error occurred when querying VNF information.")
 224         raise e
 225     return Response(data=resp_data, status=ret[2])
 226
 227
 228 class JobView(APIView):
 229     @swagger_auto_schema(
 230         manual_parameters=[
 231             openapi.Parameter('responseId',
 232                               openapi.IN_QUERY,
 233                               "responseId",
 234                               type=openapi.TYPE_INTEGER
 235                               ),
 236         ],
 237         responses={
 238             status.HTTP_200_OK: JobQueryRespSerializer(),
 239             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 240         }
 241     )
 242     def get(self, request, vnfmid, jobid):
 243         try:
 244             logger.debug("[%s] request.data=%s", fun_name(), request.data)
 245             ret = get_vnfminfo_from_nslcm(vnfmid)
 246             if ret[0] != 0:
 247                 raise Exception(ret[1])
 248
 249             vnfm_info = json.JSONDecoder().decode(ret[1])
 250             logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 251             operation_status_url = '/v1/jobs/{jobId}?NFVOID={nfvoId}&VNFMID={vnfmId}&ResponseID={responseId}'
 252             responseId = ignorcase_get(request.GET, 'responseId')
 253             query_url = operation_status_url.format(jobId=jobid, nfvoId=1, vnfmId=vnfmid, responseId=responseId)
 254             ret = restcall.call_req(
 255                 base_url=ignorcase_get(vnfm_info, 'url'),
 256                 user=ignorcase_get(vnfm_info, 'userName'),
 257                 passwd=ignorcase_get(vnfm_info, 'password'),
 258                 auth_type=restcall.rest_no_auth,
 259                 resource=query_url,
 260                 method='get',
 261                 content={})
 262
 263             if ret[0] != 0:
 264                 raise Exception(ret[1])
 265
 266             resp_data = json.JSONDecoder().decode(ret[1])
 267             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 268             jobQueryRespSerializer = JobQueryRespSerializer(data=resp_data)
 269             if not jobQueryRespSerializer.is_valid():
 270                 raise Exception(jobQueryRespSerializer.errors)
 271
 272             return Response(data=jobQueryRespSerializer.data, status=status.HTTP_200_OK)
 273         except Exception as e:
 274             logger.error("Error occurred when getting operation status information,error:%s", e.message)
 275             logger.error(traceback.format_exc())
 276             return Response(data={'error': 'QueryJob expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 277
 278
 279 class GrantVnf(APIView):
 280     @swagger_auto_schema(
 281         request_body=GrantReqSerializer(),
 282         responses={
 283             status.HTTP_201_CREATED: GrantRespSerializer(),
 284             status.HTTP_500_INTERNAL_SERVER_ERROR: 'Internal error'
 285         }
 286     )
 287     def put(self, request):
 288         logger.debug("=====GrantVnf=====")
 289         try:
 290             logger.debug("request.data = %s", request.data)
 291             grantReqSerializer = GrantReqSerializer(data=request.data)
 292             if not grantReqSerializer.is_valid():
 293                 raise Exception(grantReqSerializer.errors)
 294
 295             logger.debug("grantReqSerializer.data = %s", grantReqSerializer.data)
 296             req_data = {
 297                 "vnfInstanceId": ignorcase_get(grantReqSerializer.data, "vnfistanceid"),
 298                 "vnfDescriptorId": "",
 299                 "addresource": [],
 300                 "additionalparam": {
 301                     "vnfmid": ignorcase_get(grantReqSerializer.data, "vnfmid"),
 302                     "vimid": ignorcase_get(grantReqSerializer.data, "vimid"),
 303                     "tenant": ignorcase_get(grantReqSerializer.data, "tenant")
 304                 }
 305             }
 306             if ignorcase_get(grantReqSerializer.data, "operationright") == 0:
 307                 req_data["lifecycleOperation"] = "Instantiate"
 308                 for vm in ignorcase_get(grantReqSerializer.data, "vmlist"):
 309                     for i in range(int(ignorcase_get(vm, "VMNumber"))):
 310                         req_data["addresource"].append(
 311                             {
 312                                 "type": "vdu",
 313                                 "resourceDefinitionId": i,
 314                                 "vdu": ignorcase_get(vm, "VMFlavor"),
 315                                 "vimid": ignorcase_get(vm, "vimid"),
 316                                 "tenant": ignorcase_get(vm, "tenant")})
 317
 318             logger.debug("req_data=%s", req_data)
 319             ret = req_by_msb('api/nslcm/v1/ns/grantvnf', "POST", content=json.JSONEncoder().encode(req_data))
 320             logger.info("ret = %s", ret)
 321             if ret[0] != 0:
 322                 raise Exception(ret[1])
 323
 324             resp = json.JSONDecoder().decode(ret[1])
 325             resp_data = {
 326                 'vimid': ignorcase_get(resp['vim'], 'vimid'),
 327                 'tenant': ignorcase_get(ignorcase_get(resp['vim'], 'accessinfo'), 'tenant')
 328             }
 329             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 330             grantRespSerializer = GrantRespSerializer(data=resp_data)
 331             if not grantRespSerializer.is_valid():
 332                 raise Exception(grantRespSerializer.errors)
 333
 334             logger.debug("grantRespSerializer.data=%s", grantRespSerializer.data)
 335             return Response(data=grantRespSerializer.data, status=status.HTTP_201_CREATED)
 336         except Exception as e:
 337             logger.error("Error occurred in Grant VNF, error: %s", e.message)
 338             logger.error(traceback.format_exc())
 339             return Response(data={'error': 'Grant expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 340
 341
 342 class Notify(APIView):
 343     @swagger_auto_schema(
 344         request_body=NotifyReqSerializer(),
 345         responses={
 346             status.HTTP_200_OK: 'Successfully',
 347             status.HTTP_500_INTERNAL_SERVER_ERROR: 'Internal error'
 348         }
 349     )
 350     def post(self, request):
 351         try:
 352             logger.debug("[%s]request.data = %s", fun_name(), request.data)
 353             notifyReqSerializer = NotifyReqSerializer(data=request.data)
 354             if not notifyReqSerializer.is_valid():
 355                 raise Exception(notifyReqSerializer.errors)
 356
 357             logger.debug("[%s]notifyReqSerializer.data = %s", fun_name(), notifyReqSerializer.data)
 358             req_data = {
 359                 "status": "result",
 360                 "vnfInstanceId": ignorcase_get(notifyReqSerializer.data, "vnfinstanceid"),
 361                 "vnfmId": ignorcase_get(notifyReqSerializer.data, "vnfmid"),
 362                 "vimId": ignorcase_get(notifyReqSerializer.data, "vimid"),
 363                 "operation": ignorcase_get(notifyReqSerializer.data, "EventType"),
 364                 "jobId": "notMust",
 365                 "affectedVl": [],
 366                 "affectedCp": [],
 367                 "affectedVirtualStorage": [],
 368                 "affectedVnfc": [],
 369             }
 370
 371             extension = ignorcase_get(notifyReqSerializer.data, "extension")
 372             openo_notification = ignorcase_get(extension, "openo_notification")
 373             if openo_notification:
 374                 affectedvnfcs = ignorcase_get(openo_notification, "affectedVnfc")
 375                 affectedvls = ignorcase_get(openo_notification, "affectedvirtuallink")
 376                 affectedcps = ignorcase_get(openo_notification, "affectedCp")
 377                 vnfdmodule = ignorcase_get(openo_notification, "vnfdmodule")
 378             else:
 379                 affectedvnfcs = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "affectedvnfc")
 380                 affectedvls = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "affectedvl")
 381                 affectedcps = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "affectedcp")
 382                 vnfdmodule = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "vnfdmodule")
 383
 384             req_data["vnfdmodule"] = vnfdmodule
 385
 386             for affectedvnfc in affectedvnfcs:
 387                 req_data["affectedVnfc"].append({
 388                     "vnfcInstanceId": ignorcase_get(affectedvnfc, "vnfcInstanceId"),
 389                     "vduId": ignorcase_get(affectedvnfc, "vduId"),
 390                     "changeType": ignorcase_get(affectedvnfc, "changeType"),
 391                     "vimId": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "vimId"),
 392                     "vmId": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "resourceId"),
 393                     "vmName": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "resourceName")
 394                 })
 395
 396             for affectedvl in affectedvls:
 397                 req_data["affectedVl"].append({
 398                     "vlInstanceId": ignorcase_get(affectedvl, "virtualLinkInstanceId"),
 399                     "changeType": ignorcase_get(affectedvl, "changeType"),
 400                     "vimId": ignorcase_get(ignorcase_get(affectedvl, "networkResource"), "vimId"),
 401                     "vldId": ignorcase_get(affectedvl, "virtuallinkdescid"),
 402                     "networkResource": {
 403                         "resourceType": "network",
 404                         "resourceId": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourceid"),
 405                         "resourceName": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourcename")
 406                     }
 407                 })
 408
 409             for affectedcp in affectedcps:
 410                 req_data["affectedCp"].append(affectedcp)
 411
 412             vnfmid = ignorcase_get(req_data, 'vnfmId')
 413             vnfInstanceId = ignorcase_get(req_data, 'vnfinstanceid')
 414             notify_url = 'api/nslcm/v1/ns/%s/vnfs/%s/Notify' % (vnfmid, vnfInstanceId)
 415             logger.debug("notify_url = %s", notify_url)
 416             logger.debug("req_data = %s", req_data)
 417             ret = req_by_msb(notify_url, "POST", content=json.JSONEncoder().encode(req_data))
 418
 419             logger.debug("[%s]data = %s", fun_name(), ret)
 420             if ret[0] != 0:
 421                 raise Exception(ret[1])
 422
 423             return Response(data=None, status=status.HTTP_200_OK)
 424         except Exception as e:
 425             logger.error("Error occurred in LCM notification,error: %s", e.message)
 426             logger.error(traceback.format_exc())
 427             return Response(data={'error': 'Notify expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 428
 429
 430 class Scale(APIView):
 431     @swagger_auto_schema(
 432         request_body=ScaleReqSerializer(),
 433         responses={
 434             status.HTTP_202_ACCEPTED: InstScaleHealRespSerializer(),
 435             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 436         }
 437     )
 438     def post(self, request, vnfmid, vnfInstanceId):
 439         logger.debug("====scale_vnf===")
 440         try:
 441             logger.debug("request.data = %s", request.data)
 442             logger.debug("requested_url = %s", request.get_full_path())
 443             scaleReqSerializer = ScaleReqSerializer(data=request.data)
 444             if not scaleReqSerializer.is_valid():
 445                 raise Exception(scaleReqSerializer.errors)
 446
 447             ret = get_vnfminfo_from_nslcm(vnfmid)
 448             if ret[0] != 0:
 449                 raise Exception(ret[1])
 450
 451             vnfm_info = json.JSONDecoder().decode(ret[1])
 452             scale_type = ignorcase_get(scaleReqSerializer.data, "type")
 453             aspect_id = ignorcase_get(scaleReqSerializer.data, "aspectId")
 454             number_of_steps = ignorcase_get(scaleReqSerializer.data, "numberOfSteps")
 455             data = {
 456                 'vnfmid': vnfmid,
 457                 'nfvoid': 1,
 458                 'scaletype': '0' if scale_type == 'SCALE_OUT' else '1',
 459                 'vmlist': [{
 460                     'VMNumber': number_of_steps,
 461                     'VMFlavor': aspect_id
 462                 }],
 463                 'extension': ''
 464             }
 465
 466             logger.debug("data = %s", data)
 467             ret = restcall.call_req(
 468                 base_url=ignorcase_get(vnfm_info, "url"),
 469                 user=ignorcase_get(vnfm_info, "userName"),
 470                 passwd=ignorcase_get(vnfm_info, "password"),
 471                 auth_type=restcall.rest_no_auth,
 472                 resource='/v1/vnfs/{vnfInstanceID}/scale'.format(vnfInstanceID=vnfInstanceId),
 473                 method='put',  # POST
 474                 content=json.JSONEncoder().encode(data))
 475             logger.debug("ret=%s", ret)
 476             if ret[0] != 0:
 477                 raise Exception('scale error')
 478
 479             scaleRespSerializer = InstScaleHealRespSerializer(data=json.JSONDecoder().decode(ret[1]))
 480             if not scaleRespSerializer.is_valid():
 481                 raise Exception(scaleRespSerializer.errors)
 482
 483             logger.debug("scaleRespSerializer.data=%s", scaleRespSerializer.data)
 484             return Response(data=scaleRespSerializer.data, status=status.HTTP_202_ACCEPTED)
 485         except Exception as e:
 486             logger.error("Error occurred when scaling VNF,error:%s", e.message)
 487             logger.error(traceback.format_exc())
 488             return Response(data={'error': 'Scale expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 489
 490
 491 class Heal(APIView):
 492     @swagger_auto_schema(
 493         request_body=HealReqSerializer(),
 494         responses={
 495             status.HTTP_202_ACCEPTED: InstScaleHealRespSerializer(),
 496             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 497         }
 498     )
 499     def post(self, request, vnfmid, vnfInstanceId):
 500         logger.debug("====heal_vnf===")
 501         try:
 502             logger.debug("request.data = %s", request.data)
 503             logger.debug("requested_url = %s", request.get_full_path())
 504             healReqSerializer = HealReqSerializer(data=request.data)
 505             if not healReqSerializer.is_valid():
 506                 raise Exception(healReqSerializer.errors)
 507
 508             logger.debug("healReqSerializer.data = %s", healReqSerializer.data)
 509             logger.debug("vnfmid = %s", vnfmid)
 510             ret = get_vnfminfo_from_nslcm(vnfmid)
 511             if ret[0] != 0:
 512                 raise Exception(ret[1])
 513
 514             vnfm_info = json.JSONDecoder().decode(ret[1])
 515             req_data = {
 516                 "action": ignorcase_get(healReqSerializer.data, 'action'),
 517                 "lifecycleoperation": "operate",
 518                 "isgrace": "force",
 519                 "affectedvm": [],
 520             }
 521             affectedvm = ignorcase_get(healReqSerializer.data, 'affectedvm')
 522             if isinstance(affectedvm, list):
 523                 req_data['affectedvm'] = affectedvm
 524             else:
 525                 req_data['affectedvm'].append(affectedvm)
 526
 527             logger.debug("req_data = %s", req_data)
 528             ret = restcall.call_req(
 529                 base_url=ignorcase_get(vnfm_info, "url"),
 530                 user=ignorcase_get(vnfm_info, "userName"),
 531                 passwd=ignorcase_get(vnfm_info, "password"),
 532                 auth_type=restcall.rest_no_auth,
 533                 resource='/api/v1/nf_m_i/nfs/{vnfInstanceID}/vms/operation'.format(vnfInstanceID=vnfInstanceId),
 534                 method='post',
 535                 content=json.JSONEncoder().encode(req_data))
 536             logger.debug("ret=%s", ret)
 537             if ret[0] != 0:
 538                 raise Exception('heal error')
 539
 540             healRespSerializer = InstScaleHealRespSerializer(data=json.JSONDecoder().decode(ret[1]))
 541             if not healRespSerializer.is_valid():
 542                 raise Exception(healRespSerializer.errors)
 543
 544             logger.debug("healRespSerializer.data=%s", healRespSerializer.data)
 545             return Response(data=healRespSerializer.data, status=status.HTTP_202_ACCEPTED)
 546         except Exception as e:
 547             logger.error("Error occurred when healing VNF,error:%s", e.message)
 548             logger.error(traceback.format_exc())
 549             return Response(data={'error': 'Heal expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 550
 551
 552 def get_vdus(nf_model, aspect_id):
 553     associated_group = ''
 554     members = []
 555     vnf_flavours = nf_model['vnf_flavours']
 556     for vnf_flaour in vnf_flavours:
 557         scaling_aspects = vnf_flaour['scaling_aspects']
 558         for aspect in scaling_aspects:
 559             if aspect_id == aspect['id']:
 560                 associated_group = aspect['associated_group']
 561                 break
 562     if not associated_group:
 563         logger.error('Cannot find the corresponding element group')
 564         raise Exception('Cannot find the corresponding element group')
 565     for element_group in nf_model['element_groups']:
 566         if element_group['group_id'] == associated_group:
 567             members = element_group['members']
 568     if not members:
 569         logger.error('Cannot find the corresponding members')
 570         raise Exception('Cannot find the corresponding members')
 571     return members
 572
 573
 574 @api_view(http_method_names=['GET'])
 575 def samples(request, *args, **kwargs):
 576     return Response(data={"status": "ok"})