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