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, TerminateVnfRequestSerializer
  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 class TerminateVnf(APIView):
 167     @swagger_auto_schema(
 168         request_body=TerminateVnfRequestSerializer(),
 169         responses={
 170             status.HTTP_200_OK: InstScaleHealRespSerializer(),
 171             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 172         }
 173     )
 174     def post(self, request, vnfmid, vnfInstanceId):
 175         try:
 176             logger.debug("[%s] request.data=%s", fun_name(), request.data)
 177             ret = get_vnfminfo_from_nslcm(vnfmid)
 178             if ret[0] != 0:
 179                 return Response(data={'error': ret[1]}, status=ret[2])
 180             vnfm_info = json.JSONDecoder().decode(ret[1])
 181             logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 182             ret = restcall.call_req(
 183                 base_url=ignorcase_get(vnfm_info, "url"),
 184                 user=ignorcase_get(vnfm_info, "userName"),
 185                 passwd=ignorcase_get(vnfm_info, "password"),
 186                 auth_type=restcall.rest_no_auth,
 187                 resource="v1/vnfs/%s" % vnfInstanceId,
 188                 method='delete',
 189                 content=json.JSONEncoder().encode(request.data))
 190             if ret[0] != 0:
 191                 return Response(data={'error': ret[1]}, status=ret[2])
 192             resp = json.JSONDecoder().decode(ret[1])
 193             resp_data = {
 194                 "vnfInstanceId": ignorcase_get(resp, "VNFInstanceID"),
 195                 "jobId": ignorcase_get(resp, "JobId")
 196             }
 197             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 198             return Response(data=resp_data, status=status.HTTP_200_OK)
 199         except Exception as e:
 200             logger.error("Error occurred when terminating VNF")
 201             raise e
 202
 203
 204 @api_view(http_method_names=['GET'])
 205 def query_vnf(request, *args, **kwargs):
 206     try:
 207         logger.debug("[%s] request.data=%s", fun_name(), request.data)
 208         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 209         ret = get_vnfminfo_from_nslcm(vnfm_id)
 210         if ret[0] != 0:
 211             return Response(data={'error': ret[1]}, status=ret[2])
 212         vnfm_info = json.JSONDecoder().decode(ret[1])
 213         logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 214         ret = restcall.call_req(
 215             base_url=ignorcase_get(vnfm_info, "url"),
 216             user=ignorcase_get(vnfm_info, "userName"),
 217             passwd=ignorcase_get(vnfm_info, "password"),
 218             auth_type=restcall.rest_no_auth,
 219             resource="v1/vnfs/%s" % (ignorcase_get(kwargs, "vnfInstanceID")),
 220             method='get',
 221             content=json.JSONEncoder().encode({}))
 222         if ret[0] != 0:
 223             return Response(data={'error': ret[1]}, status=ret[2])
 224         resp = json.JSONDecoder().decode(ret[1])
 225         vnf_status = ignorcase_get(resp, "vnfinstancestatus")
 226         resp_data = {"vnfInfo": {"vnfStatus": vnf_status}}
 227         logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 228     except Exception as e:
 229         logger.error("Error occurred when querying VNF information.")
 230         raise e
 231     return Response(data=resp_data, status=ret[2])
 232
 233
 234 class JobView(APIView):
 235     @swagger_auto_schema(
 236         manual_parameters=[
 237             openapi.Parameter('responseId',
 238                               openapi.IN_QUERY,
 239                               "responseId",
 240                               type=openapi.TYPE_INTEGER
 241                               ),
 242         ],
 243         responses={
 244             status.HTTP_200_OK: JobQueryRespSerializer(),
 245             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 246         }
 247     )
 248     def get(self, request, vnfmid, jobid):
 249         try:
 250             logger.debug("[%s] request.data=%s", fun_name(), request.data)
 251             ret = get_vnfminfo_from_nslcm(vnfmid)
 252             if ret[0] != 0:
 253                 raise Exception(ret[1])
 254
 255             vnfm_info = json.JSONDecoder().decode(ret[1])
 256             logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 257             operation_status_url = '/v1/jobs/{jobId}?NFVOID={nfvoId}&VNFMID={vnfmId}&ResponseID={responseId}'
 258             responseId = ignorcase_get(request.GET, 'responseId')
 259             query_url = operation_status_url.format(jobId=jobid, nfvoId=1, vnfmId=vnfmid, responseId=responseId)
 260             ret = restcall.call_req(
 261                 base_url=ignorcase_get(vnfm_info, 'url'),
 262                 user=ignorcase_get(vnfm_info, 'userName'),
 263                 passwd=ignorcase_get(vnfm_info, 'password'),
 264                 auth_type=restcall.rest_no_auth,
 265                 resource=query_url,
 266                 method='get',
 267                 content={})
 268
 269             if ret[0] != 0:
 270                 raise Exception(ret[1])
 271
 272             resp_data = json.JSONDecoder().decode(ret[1])
 273             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 274             jobQueryRespSerializer = JobQueryRespSerializer(data=resp_data)
 275             if not jobQueryRespSerializer.is_valid():
 276                 raise Exception(jobQueryRespSerializer.errors)
 277
 278             return Response(data=jobQueryRespSerializer.data, status=status.HTTP_200_OK)
 279         except Exception as e:
 280             logger.error("Error occurred when getting operation status information,error:%s", e.message)
 281             logger.error(traceback.format_exc())
 282             return Response(data={'error': 'QueryJob expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 283
 284
 285 class GrantVnf(APIView):
 286     @swagger_auto_schema(
 287         request_body=GrantReqSerializer(),
 288         responses={
 289             status.HTTP_201_CREATED: GrantRespSerializer(),
 290             status.HTTP_500_INTERNAL_SERVER_ERROR: 'Internal error'
 291         }
 292     )
 293     def put(self, request):
 294         logger.debug("=====GrantVnf=====")
 295         try:
 296             logger.debug("request.data = %s", request.data)
 297             grantReqSerializer = GrantReqSerializer(data=request.data)
 298             if not grantReqSerializer.is_valid():
 299                 raise Exception(grantReqSerializer.errors)
 300
 301             logger.debug("grantReqSerializer.data = %s", grantReqSerializer.data)
 302             req_data = {
 303                 "vnfInstanceId": ignorcase_get(grantReqSerializer.data, "vnfistanceid"),
 304                 "vnfDescriptorId": "",
 305                 "addresource": [],
 306                 "additionalparam": {
 307                     "vnfmid": ignorcase_get(grantReqSerializer.data, "vnfmid"),
 308                     "vimid": ignorcase_get(grantReqSerializer.data, "vimid"),
 309                     "tenant": ignorcase_get(grantReqSerializer.data, "tenant")
 310                 }
 311             }
 312             if ignorcase_get(grantReqSerializer.data, "operationright") == 0:
 313                 req_data["lifecycleOperation"] = "Instantiate"
 314                 for vm in ignorcase_get(grantReqSerializer.data, "vmlist"):
 315                     for i in range(int(ignorcase_get(vm, "VMNumber"))):
 316                         req_data["addresource"].append(
 317                             {
 318                                 "type": "vdu",
 319                                 "resourceDefinitionId": i,
 320                                 "vdu": ignorcase_get(vm, "VMFlavor"),
 321                                 "vimid": ignorcase_get(vm, "vimid"),
 322                                 "tenant": ignorcase_get(vm, "tenant")})
 323
 324             logger.debug("req_data=%s", req_data)
 325             ret = req_by_msb('api/nslcm/v1/ns/grantvnf', "POST", content=json.JSONEncoder().encode(req_data))
 326             logger.info("ret = %s", ret)
 327             if ret[0] != 0:
 328                 raise Exception(ret[1])
 329
 330             resp = json.JSONDecoder().decode(ret[1])
 331             resp_data = {
 332                 'vimid': ignorcase_get(resp['vim'], 'vimid'),
 333                 'tenant': ignorcase_get(ignorcase_get(resp['vim'], 'accessinfo'), 'tenant')
 334             }
 335             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 336             grantRespSerializer = GrantRespSerializer(data=resp_data)
 337             if not grantRespSerializer.is_valid():
 338                 raise Exception(grantRespSerializer.errors)
 339
 340             logger.debug("grantRespSerializer.data=%s", grantRespSerializer.data)
 341             return Response(data=grantRespSerializer.data, status=status.HTTP_201_CREATED)
 342         except Exception as e:
 343             logger.error("Error occurred in Grant VNF, error: %s", e.message)
 344             logger.error(traceback.format_exc())
 345             return Response(data={'error': 'Grant expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 346
 347
 348 class Notify(APIView):
 349     @swagger_auto_schema(
 350         request_body=NotifyReqSerializer(),
 351         responses={
 352             status.HTTP_200_OK: 'Successfully',
 353             status.HTTP_500_INTERNAL_SERVER_ERROR: 'Internal error'
 354         }
 355     )
 356     def post(self, request):
 357         try:
 358             logger.debug("[%s]request.data = %s", fun_name(), request.data)
 359             notifyReqSerializer = NotifyReqSerializer(data=request.data)
 360             if not notifyReqSerializer.is_valid():
 361                 raise Exception(notifyReqSerializer.errors)
 362
 363             logger.debug("[%s]notifyReqSerializer.data = %s", fun_name(), notifyReqSerializer.data)
 364             req_data = {
 365                 "status": "result",
 366                 "vnfInstanceId": ignorcase_get(notifyReqSerializer.data, "vnfinstanceid"),
 367                 "vnfmId": ignorcase_get(notifyReqSerializer.data, "vnfmid"),
 368                 "vimId": ignorcase_get(notifyReqSerializer.data, "vimid"),
 369                 "operation": ignorcase_get(notifyReqSerializer.data, "EventType"),
 370                 "jobId": "notMust",
 371                 "affectedVl": [],
 372                 "affectedCp": [],
 373                 "affectedVirtualStorage": [],
 374                 "affectedVnfc": [],
 375             }
 376
 377             extension = ignorcase_get(notifyReqSerializer.data, "extension")
 378             openo_notification = ignorcase_get(extension, "openo_notification")
 379             if openo_notification:
 380                 affectedvnfcs = ignorcase_get(openo_notification, "affectedVnfc")
 381                 affectedvls = ignorcase_get(openo_notification, "affectedvirtuallink")
 382                 affectedcps = ignorcase_get(openo_notification, "affectedCp")
 383                 vnfdmodule = ignorcase_get(openo_notification, "vnfdmodule")
 384             else:
 385                 affectedvnfcs = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "affectedvnfc")
 386                 affectedvls = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "affectedvl")
 387                 affectedcps = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "affectedcp")
 388                 vnfdmodule = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "vnfdmodule")
 389
 390             req_data["vnfdmodule"] = vnfdmodule
 391
 392             for affectedvnfc in affectedvnfcs:
 393                 req_data["affectedVnfc"].append({
 394                     "vnfcInstanceId": ignorcase_get(affectedvnfc, "vnfcInstanceId"),
 395                     "vduId": ignorcase_get(affectedvnfc, "vduId"),
 396                     "changeType": ignorcase_get(affectedvnfc, "changeType"),
 397                     "vimId": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "vimId"),
 398                     "vmId": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "resourceId"),
 399                     "vmName": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "resourceName")
 400                 })
 401
 402             for affectedvl in affectedvls:
 403                 req_data["affectedVl"].append({
 404                     "vlInstanceId": ignorcase_get(affectedvl, "virtualLinkInstanceId"),
 405                     "changeType": ignorcase_get(affectedvl, "changeType"),
 406                     "vimId": ignorcase_get(ignorcase_get(affectedvl, "networkResource"), "vimId"),
 407                     "vldId": ignorcase_get(affectedvl, "virtuallinkdescid"),
 408                     "networkResource": {
 409                         "resourceType": "network",
 410                         "resourceId": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourceid"),
 411                         "resourceName": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourcename")
 412                     }
 413                 })
 414
 415             for affectedcp in affectedcps:
 416                 req_data["affectedCp"].append(affectedcp)
 417
 418             vnfmid = ignorcase_get(req_data, 'vnfmId')
 419             vnfInstanceId = ignorcase_get(req_data, 'vnfinstanceid')
 420             notify_url = 'api/nslcm/v1/ns/%s/vnfs/%s/Notify' % (vnfmid, vnfInstanceId)
 421             logger.debug("notify_url = %s", notify_url)
 422             logger.debug("req_data = %s", req_data)
 423             ret = req_by_msb(notify_url, "POST", content=json.JSONEncoder().encode(req_data))
 424
 425             logger.debug("[%s]data = %s", fun_name(), ret)
 426             if ret[0] != 0:
 427                 raise Exception(ret[1])
 428
 429             return Response(data=None, status=status.HTTP_200_OK)
 430         except Exception as e:
 431             logger.error("Error occurred in LCM notification,error: %s", e.message)
 432             logger.error(traceback.format_exc())
 433             return Response(data={'error': 'Notify expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 434
 435
 436 class Scale(APIView):
 437     @swagger_auto_schema(
 438         request_body=ScaleReqSerializer(),
 439         responses={
 440             status.HTTP_202_ACCEPTED: InstScaleHealRespSerializer(),
 441             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 442         }
 443     )
 444     def post(self, request, vnfmid, vnfInstanceId):
 445         logger.debug("====scale_vnf===")
 446         try:
 447             logger.debug("request.data = %s", request.data)
 448             logger.debug("requested_url = %s", request.get_full_path())
 449             scaleReqSerializer = ScaleReqSerializer(data=request.data)
 450             if not scaleReqSerializer.is_valid():
 451                 raise Exception(scaleReqSerializer.errors)
 452
 453             ret = get_vnfminfo_from_nslcm(vnfmid)
 454             if ret[0] != 0:
 455                 raise Exception(ret[1])
 456
 457             vnfm_info = json.JSONDecoder().decode(ret[1])
 458             scale_type = ignorcase_get(scaleReqSerializer.data, "type")
 459             aspect_id = ignorcase_get(scaleReqSerializer.data, "aspectId")
 460             number_of_steps = ignorcase_get(scaleReqSerializer.data, "numberOfSteps")
 461             data = {
 462                 'vnfmid': vnfmid,
 463                 'nfvoid': 1,
 464                 'scaletype': '0' if scale_type == 'SCALE_OUT' else '1',
 465                 'vmlist': [{
 466                     'VMNumber': number_of_steps,
 467                     'VMFlavor': aspect_id
 468                 }],
 469                 'extension': ''
 470             }
 471
 472             logger.debug("data = %s", data)
 473             ret = restcall.call_req(
 474                 base_url=ignorcase_get(vnfm_info, "url"),
 475                 user=ignorcase_get(vnfm_info, "userName"),
 476                 passwd=ignorcase_get(vnfm_info, "password"),
 477                 auth_type=restcall.rest_no_auth,
 478                 resource='/v1/vnfs/{vnfInstanceID}/scale'.format(vnfInstanceID=vnfInstanceId),
 479                 method='put',  # POST
 480                 content=json.JSONEncoder().encode(data))
 481             logger.debug("ret=%s", ret)
 482             if ret[0] != 0:
 483                 raise Exception('scale error')
 484
 485             scaleRespSerializer = InstScaleHealRespSerializer(data=json.JSONDecoder().decode(ret[1]))
 486             if not scaleRespSerializer.is_valid():
 487                 raise Exception(scaleRespSerializer.errors)
 488
 489             logger.debug("scaleRespSerializer.data=%s", scaleRespSerializer.data)
 490             return Response(data=scaleRespSerializer.data, status=status.HTTP_202_ACCEPTED)
 491         except Exception as e:
 492             logger.error("Error occurred when scaling VNF,error:%s", e.message)
 493             logger.error(traceback.format_exc())
 494             return Response(data={'error': 'Scale expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 495
 496
 497 class Heal(APIView):
 498     @swagger_auto_schema(
 499         request_body=HealReqSerializer(),
 500         responses={
 501             status.HTTP_202_ACCEPTED: InstScaleHealRespSerializer(),
 502             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 503         }
 504     )
 505     def post(self, request, vnfmid, vnfInstanceId):
 506         logger.debug("====heal_vnf===")
 507         try:
 508             logger.debug("request.data = %s", request.data)
 509             logger.debug("requested_url = %s", request.get_full_path())
 510             healReqSerializer = HealReqSerializer(data=request.data)
 511             if not healReqSerializer.is_valid():
 512                 raise Exception(healReqSerializer.errors)
 513
 514             logger.debug("healReqSerializer.data = %s", healReqSerializer.data)
 515             logger.debug("vnfmid = %s", vnfmid)
 516             ret = get_vnfminfo_from_nslcm(vnfmid)
 517             if ret[0] != 0:
 518                 raise Exception(ret[1])
 519
 520             vnfm_info = json.JSONDecoder().decode(ret[1])
 521             req_data = {
 522                 "action": ignorcase_get(healReqSerializer.data, 'action'),
 523                 "lifecycleoperation": "operate",
 524                 "isgrace": "force",
 525                 "affectedvm": [],
 526             }
 527             affectedvm = ignorcase_get(healReqSerializer.data, 'affectedvm')
 528             if isinstance(affectedvm, list):
 529                 req_data['affectedvm'] = affectedvm
 530             else:
 531                 req_data['affectedvm'].append(affectedvm)
 532
 533             logger.debug("req_data = %s", req_data)
 534             ret = restcall.call_req(
 535                 base_url=ignorcase_get(vnfm_info, "url"),
 536                 user=ignorcase_get(vnfm_info, "userName"),
 537                 passwd=ignorcase_get(vnfm_info, "password"),
 538                 auth_type=restcall.rest_no_auth,
 539                 resource='/api/v1/nf_m_i/nfs/{vnfInstanceID}/vms/operation'.format(vnfInstanceID=vnfInstanceId),
 540                 method='post',
 541                 content=json.JSONEncoder().encode(req_data))
 542             logger.debug("ret=%s", ret)
 543             if ret[0] != 0:
 544                 raise Exception('heal error')
 545
 546             healRespSerializer = InstScaleHealRespSerializer(data=json.JSONDecoder().decode(ret[1]))
 547             if not healRespSerializer.is_valid():
 548                 raise Exception(healRespSerializer.errors)
 549
 550             logger.debug("healRespSerializer.data=%s", healRespSerializer.data)
 551             return Response(data=healRespSerializer.data, status=status.HTTP_202_ACCEPTED)
 552         except Exception as e:
 553             logger.error("Error occurred when healing VNF,error:%s", e.message)
 554             logger.error(traceback.format_exc())
 555             return Response(data={'error': 'Heal expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 556
 557
 558 def get_vdus(nf_model, aspect_id):
 559     associated_group = ''
 560     members = []
 561     vnf_flavours = nf_model['vnf_flavours']
 562     for vnf_flaour in vnf_flavours:
 563         scaling_aspects = vnf_flaour['scaling_aspects']
 564         for aspect in scaling_aspects:
 565             if aspect_id == aspect['id']:
 566                 associated_group = aspect['associated_group']
 567                 break
 568     if not associated_group:
 569         logger.error('Cannot find the corresponding element group')
 570         raise Exception('Cannot find the corresponding element group')
 571     for element_group in nf_model['element_groups']:
 572         if element_group['group_id'] == associated_group:
 573             members = element_group['members']
 574     if not members:
 575         logger.error('Cannot find the corresponding members')
 576         raise Exception('Cannot find the corresponding members')
 577     return members
 578
 579
 580 @api_view(http_method_names=['GET'])
 581 def samples(request, *args, **kwargs):
 582     return Response(data={"status": "ok"})