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     InstantiateVnfRequestSerializer
  31 from driver.pub.config.config import VNF_FTP
  32 from driver.pub.utils import restcall
  33 from driver.pub.utils.restcall import req_by_msb
  34
  35 logger = logging.getLogger(__name__)
  36
  37
  38 def load_json_file(file_name):
  39     json_file = os.path.join(os.path.dirname(__file__), "data/" + file_name)
  40     f = open(json_file)
  41     json_data = json.JSONDecoder().decode(f.read())
  42     f.close()
  43     return json_data
  44
  45
  46 def fun_name():
  47     return "=================%s==================" % inspect.stack()[1][3]
  48
  49
  50 def ignorcase_get(args, key):
  51     if not key:
  52         return ""
  53     if not args:
  54         return ""
  55     if key in args:
  56         return args[key]
  57     for old_key in args:
  58         if old_key.upper() == key.upper():
  59             return args[old_key]
  60     return ""
  61
  62
  63 # Query vnfm_info from nslcm
  64 def get_vnfminfo_from_nslcm(vnfmid):
  65     ret = req_by_msb("api/nslcm/v1/vnfms/%s" % vnfmid, "GET")
  66     return ret
  67
  68
  69 # Query vnfd_info from nslcm
  70 def vnfd_get(vnfpackageid):
  71     ret = req_by_msb("api/nslcm/v1/vnfpackage/%s" % vnfpackageid, "GET")
  72     return ret
  73
  74
  75 # Query vnfpackage_info from nslcm
  76 def vnfpackage_get(csarid):
  77     ret = req_by_msb("api/nslcm/v1/vnfpackage/%s" % csarid, "GET")
  78     return ret
  79
  80
  81 class InstamtiateVnf(APIView):
  82     @swagger_auto_schema(
  83         request_body=InstantiateVnfRequestSerializer(),
  84         responses={
  85             status.HTTP_200_OK: InstScaleHealRespSerializer(),
  86             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
  87         }
  88     )
  89     def post(self, request, vnfmid):
  90         try:
  91             logger.debug("[%s] request.data=%s", fun_name(), request.data)
  92             instantiateVnfRequestSerializer = InstantiateVnfRequestSerializer(data=request.data)
  93             if not instantiateVnfRequestSerializer.is_valid():
  94                 raise Exception(instantiateVnfRequestSerializer.errors)
  95
  96             ret = get_vnfminfo_from_nslcm(vnfmid)
  97             if ret[0] != 0:
  98                 raise Exception(ret[1])
  99
 100             vnfm_info = json.JSONDecoder().decode(ret[1])
 101             logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 102             vnf_package_id = ignorcase_get(instantiateVnfRequestSerializer.data, "vnfPackageId")
 103             ret = vnfd_get(vnf_package_id)
 104             if ret[0] != 0:
 105                 raise Exception(ret[1])
 106
 107             vnfd_info = json.JSONDecoder().decode(ret[1])
 108             logger.debug("[%s] vnfd_info=%s", fun_name(), vnfd_info)
 109             csar_id = ignorcase_get(vnfd_info, "csarId")
 110             ret = vnfpackage_get(csar_id)
 111             if ret[0] != 0:
 112                 raise Exception(ret[1])
 113
 114             vnf_package_info = json.JSONDecoder().decode(ret[1])
 115             packageInfo = ignorcase_get(vnf_package_info, "packageInfo")
 116             logger.debug("[%s] packageInfo=%s", fun_name(), packageInfo)
 117             data = {
 118                 "NFVOID": 1,
 119                 "VNFMID": vnfmid,
 120                 "extension": {},
 121             }
 122             vnfdModel = json.loads(ignorcase_get(packageInfo, "vnfdModel"))
 123             metadata = ignorcase_get(vnfdModel, "metadata")
 124             vnfd_name = ignorcase_get(metadata, "name")
 125             # TODO  convert sdc vnf package to vnf vender package
 126             inputs = []
 127             if "SPGW" in vnfd_name.upper():
 128                 data["VNFD"] = VNF_FTP + "SPGW"
 129                 inputs = load_json_file("SPGW" + "_inputs.json")
 130             elif "MME" in vnfd_name.upper():
 131                 data["VNFD"] = VNF_FTP + "MME"
 132                 inputs = load_json_file("MME" + "_inputs.json")
 133             else:
 134                 data["VNFD"] = ignorcase_get(packageInfo, "downloadUri")
 135
 136             data["VNFURL"] = data["VNFD"]
 137
 138             for name, value in ignorcase_get(ignorcase_get(instantiateVnfRequestSerializer.data, "additionalParam"), "inputs").items():
 139                 inputs.append({"name": name, "value": value})
 140
 141             data["extension"]["inputs"] = json.dumps(inputs)
 142             additionalParam = ignorcase_get(instantiateVnfRequestSerializer.data, "additionalParam")
 143             data["extension"]["extVirtualLinks"] = ignorcase_get(additionalParam, "extVirtualLinks")
 144             data["extension"]["vnfinstancename"] = ignorcase_get(instantiateVnfRequestSerializer.data, "vnfInstanceName")
 145             data["extension"]["vnfid"] = data["VNFD"]
 146             data["extension"]["multivim"] = 0
 147             logger.debug("[%s] call_req data=%s", fun_name(), data)
 148
 149             ret = restcall.call_req(
 150                 base_url=ignorcase_get(vnfm_info, "url"),
 151                 user=ignorcase_get(vnfm_info, "userName"),
 152                 passwd=ignorcase_get(vnfm_info, "password"),
 153                 auth_type=restcall.rest_no_auth,
 154                 resource="v1/vnfs",
 155                 method='post',
 156                 content=json.JSONEncoder().encode(data))
 157
 158             logger.debug("[%s] call_req ret=%s", fun_name(), ret)
 159             if ret[0] != 0:
 160                 raise Exception(ret[1])
 161
 162             resp = json.JSONDecoder().decode(ret[1])
 163             resp_data = {
 164                 "vnfInstanceId": ignorcase_get(resp, "VNFInstanceID"),
 165                 "jobId": ignorcase_get(resp, "JobId")
 166             }
 167             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 168             instRespSerializer = InstScaleHealRespSerializer(data=resp_data)
 169             if not instRespSerializer.is_valid():
 170                 raise Exception(instRespSerializer.errors)
 171
 172             logger.debug("[%s] instRespSerializer.data=%s", fun_name(), instRespSerializer.data)
 173             return Response(data=instRespSerializer.data, status=status.HTTP_200_OK)
 174         except Exception as e:
 175             logger.error("Error occurred when instantiating VNF,error:%s", e.message)
 176             logger.error(traceback.format_exc())
 177             return Response(data={'error': 'InstantiateVnf expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 178
 179
 180 class TerminateVnf(APIView):
 181     @swagger_auto_schema(
 182         request_body=TerminateVnfRequestSerializer(),
 183         responses={
 184             status.HTTP_200_OK: InstScaleHealRespSerializer(),
 185             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 186         }
 187     )
 188     def post(self, request, vnfmid, vnfInstanceId):
 189         try:
 190             logger.debug("[%s] request.data=%s", fun_name(), request.data)
 191             terminate_vnf_request_serializer = TerminateVnfRequestSerializer(data=request.data)
 192             if not terminate_vnf_request_serializer.is_valid():
 193                 raise Exception(terminate_vnf_request_serializer.errors)
 194
 195             ret = get_vnfminfo_from_nslcm(vnfmid)
 196             if ret[0] != 0:
 197                 raise Exception(ret[1])
 198
 199             vnfm_info = json.JSONDecoder().decode(ret[1])
 200             logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 201             ret = restcall.call_req(
 202                 base_url=ignorcase_get(vnfm_info, "url"),
 203                 user=ignorcase_get(vnfm_info, "userName"),
 204                 passwd=ignorcase_get(vnfm_info, "password"),
 205                 auth_type=restcall.rest_no_auth,
 206                 resource="v1/vnfs/%s" % vnfInstanceId,
 207                 method='delete',
 208                 content=json.JSONEncoder().encode(terminate_vnf_request_serializer.data))
 209             if ret[0] != 0:
 210                 raise Exception(ret[1])
 211
 212             resp = json.JSONDecoder().decode(ret[1])
 213             resp_data = {
 214                 "vnfInstanceId": ignorcase_get(resp, "VNFInstanceID"),
 215                 "jobId": ignorcase_get(resp, "JobId")
 216             }
 217             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 218             terminateRespSerializer = InstScaleHealRespSerializer(data=resp_data)
 219             if not terminateRespSerializer.is_valid():
 220                 raise Exception(terminateRespSerializer.errors)
 221             return Response(data=terminateRespSerializer.data, status=status.HTTP_200_OK)
 222         except Exception as e:
 223             logger.error("Error occurred when terminating VNF,error: %s", e.message)
 224             logger.error(traceback.format_exc())
 225             return Response(data={'error': 'TerminateVnf expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 226
 227
 228 @api_view(http_method_names=['GET'])
 229 def query_vnf(request, *args, **kwargs):
 230     try:
 231         logger.debug("[%s] request.data=%s", fun_name(), request.data)
 232         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 233         ret = get_vnfminfo_from_nslcm(vnfm_id)
 234         if ret[0] != 0:
 235             return Response(data={'error': ret[1]}, status=ret[2])
 236         vnfm_info = json.JSONDecoder().decode(ret[1])
 237         logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 238         ret = restcall.call_req(
 239             base_url=ignorcase_get(vnfm_info, "url"),
 240             user=ignorcase_get(vnfm_info, "userName"),
 241             passwd=ignorcase_get(vnfm_info, "password"),
 242             auth_type=restcall.rest_no_auth,
 243             resource="v1/vnfs/%s" % (ignorcase_get(kwargs, "vnfInstanceID")),
 244             method='get',
 245             content=json.JSONEncoder().encode({}))
 246         if ret[0] != 0:
 247             return Response(data={'error': ret[1]}, status=ret[2])
 248         resp = json.JSONDecoder().decode(ret[1])
 249         vnf_status = ignorcase_get(resp, "vnfinstancestatus")
 250         resp_data = {"vnfInfo": {"vnfStatus": vnf_status}}
 251         logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 252     except Exception as e:
 253         logger.error("Error occurred when querying VNF information.")
 254         raise e
 255     return Response(data=resp_data, status=ret[2])
 256
 257
 258 class JobView(APIView):
 259     @swagger_auto_schema(
 260         manual_parameters=[
 261             openapi.Parameter('responseId',
 262                               openapi.IN_QUERY,
 263                               "responseId",
 264                               type=openapi.TYPE_INTEGER
 265                               ),
 266         ],
 267         responses={
 268             status.HTTP_200_OK: JobQueryRespSerializer(),
 269             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 270         }
 271     )
 272     def get(self, request, vnfmid, jobid):
 273         try:
 274             logger.debug("[%s] request.data=%s", fun_name(), request.data)
 275             ret = get_vnfminfo_from_nslcm(vnfmid)
 276             if ret[0] != 0:
 277                 raise Exception(ret[1])
 278
 279             vnfm_info = json.JSONDecoder().decode(ret[1])
 280             logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 281             operation_status_url = '/v1/jobs/{jobId}?NFVOID={nfvoId}&VNFMID={vnfmId}&ResponseID={responseId}'
 282             responseId = ignorcase_get(request.GET, 'responseId')
 283             query_url = operation_status_url.format(jobId=jobid, nfvoId=1, vnfmId=vnfmid, responseId=responseId)
 284             ret = restcall.call_req(
 285                 base_url=ignorcase_get(vnfm_info, 'url'),
 286                 user=ignorcase_get(vnfm_info, 'userName'),
 287                 passwd=ignorcase_get(vnfm_info, 'password'),
 288                 auth_type=restcall.rest_no_auth,
 289                 resource=query_url,
 290                 method='get',
 291                 content={})
 292
 293             if ret[0] != 0:
 294                 raise Exception(ret[1])
 295
 296             resp_data = json.JSONDecoder().decode(ret[1])
 297             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 298             jobQueryRespSerializer = JobQueryRespSerializer(data=resp_data)
 299             if not jobQueryRespSerializer.is_valid():
 300                 raise Exception(jobQueryRespSerializer.errors)
 301
 302             return Response(data=jobQueryRespSerializer.data, status=status.HTTP_200_OK)
 303         except Exception as e:
 304             logger.error("Error occurred when getting operation status information,error:%s", e.message)
 305             logger.error(traceback.format_exc())
 306             return Response(data={'error': 'QueryJob expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 307
 308
 309 class GrantVnf(APIView):
 310     @swagger_auto_schema(
 311         request_body=GrantReqSerializer(),
 312         responses={
 313             status.HTTP_201_CREATED: GrantRespSerializer(),
 314             status.HTTP_500_INTERNAL_SERVER_ERROR: 'Internal error'
 315         }
 316     )
 317     def put(self, request):
 318         logger.debug("=====GrantVnf=====")
 319         try:
 320             logger.debug("request.data = %s", request.data)
 321             grantReqSerializer = GrantReqSerializer(data=request.data)
 322             if not grantReqSerializer.is_valid():
 323                 raise Exception(grantReqSerializer.errors)
 324
 325             logger.debug("grantReqSerializer.data = %s", grantReqSerializer.data)
 326             req_data = {
 327                 "vnfInstanceId": ignorcase_get(grantReqSerializer.data, "vnfistanceid"),
 328                 "vnfDescriptorId": "",
 329                 "addresource": [],
 330                 "additionalparam": {
 331                     "vnfmid": ignorcase_get(grantReqSerializer.data, "vnfmid"),
 332                     "vimid": ignorcase_get(grantReqSerializer.data, "vimid"),
 333                     "tenant": ignorcase_get(grantReqSerializer.data, "tenant")
 334                 }
 335             }
 336             if ignorcase_get(grantReqSerializer.data, "operationright") == 0:
 337                 req_data["lifecycleOperation"] = "Instantiate"
 338                 for vm in ignorcase_get(grantReqSerializer.data, "vmlist"):
 339                     for i in range(int(ignorcase_get(vm, "VMNumber"))):
 340                         req_data["addresource"].append(
 341                             {
 342                                 "type": "vdu",
 343                                 "resourceDefinitionId": i,
 344                                 "vdu": ignorcase_get(vm, "VMFlavor"),
 345                                 "vimid": ignorcase_get(vm, "vimid"),
 346                                 "tenant": ignorcase_get(vm, "tenant")})
 347
 348             logger.debug("req_data=%s", req_data)
 349             ret = req_by_msb('api/nslcm/v1/ns/grantvnf', "POST", content=json.JSONEncoder().encode(req_data))
 350             logger.info("ret = %s", ret)
 351             if ret[0] != 0:
 352                 raise Exception(ret[1])
 353
 354             resp = json.JSONDecoder().decode(ret[1])
 355             resp_data = {
 356                 'vimid': ignorcase_get(resp['vim'], 'vimid'),
 357                 'tenant': ignorcase_get(ignorcase_get(resp['vim'], 'accessinfo'), 'tenant')
 358             }
 359             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 360             grantRespSerializer = GrantRespSerializer(data=resp_data)
 361             if not grantRespSerializer.is_valid():
 362                 raise Exception(grantRespSerializer.errors)
 363
 364             logger.debug("grantRespSerializer.data=%s", grantRespSerializer.data)
 365             return Response(data=grantRespSerializer.data, status=status.HTTP_201_CREATED)
 366         except Exception as e:
 367             logger.error("Error occurred in Grant VNF, error: %s", e.message)
 368             logger.error(traceback.format_exc())
 369             return Response(data={'error': 'Grant expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 370
 371
 372 class Notify(APIView):
 373     @swagger_auto_schema(
 374         request_body=NotifyReqSerializer(),
 375         responses={
 376             status.HTTP_200_OK: 'Successfully',
 377             status.HTTP_500_INTERNAL_SERVER_ERROR: 'Internal error'
 378         }
 379     )
 380     def post(self, request):
 381         try:
 382             logger.debug("[%s]request.data = %s", fun_name(), request.data)
 383             notifyReqSerializer = NotifyReqSerializer(data=request.data)
 384             if not notifyReqSerializer.is_valid():
 385                 raise Exception(notifyReqSerializer.errors)
 386
 387             logger.debug("[%s]notifyReqSerializer.data = %s", fun_name(), notifyReqSerializer.data)
 388             req_data = {
 389                 "status": "result",
 390                 "vnfInstanceId": ignorcase_get(notifyReqSerializer.data, "vnfinstanceid"),
 391                 "vnfmId": ignorcase_get(notifyReqSerializer.data, "vnfmid"),
 392                 "vimId": ignorcase_get(notifyReqSerializer.data, "vimid"),
 393                 "operation": ignorcase_get(notifyReqSerializer.data, "EventType"),
 394                 "jobId": "notMust",
 395                 "affectedVl": [],
 396                 "affectedCp": [],
 397                 "affectedVirtualStorage": [],
 398                 "affectedVnfc": [],
 399             }
 400
 401             extension = ignorcase_get(notifyReqSerializer.data, "extension")
 402             openo_notification = ignorcase_get(extension, "openo_notification")
 403             if openo_notification:
 404                 affectedvnfcs = ignorcase_get(openo_notification, "affectedVnfc")
 405                 affectedvls = ignorcase_get(openo_notification, "affectedvirtuallink")
 406                 affectedcps = ignorcase_get(openo_notification, "affectedCp")
 407                 vnfdmodule = ignorcase_get(openo_notification, "vnfdmodule")
 408             else:
 409                 affectedvnfcs = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "affectedvnfc")
 410                 affectedvls = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "affectedvl")
 411                 affectedcps = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "affectedcp")
 412                 vnfdmodule = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "vnfdmodule")
 413
 414             req_data["vnfdmodule"] = vnfdmodule
 415
 416             for affectedvnfc in affectedvnfcs:
 417                 req_data["affectedVnfc"].append({
 418                     "vnfcInstanceId": ignorcase_get(affectedvnfc, "vnfcInstanceId"),
 419                     "vduId": ignorcase_get(affectedvnfc, "vduId"),
 420                     "changeType": ignorcase_get(affectedvnfc, "changeType"),
 421                     "vimId": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "vimId"),
 422                     "vmId": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "resourceId"),
 423                     "vmName": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "resourceName")
 424                 })
 425
 426             for affectedvl in affectedvls:
 427                 req_data["affectedVl"].append({
 428                     "vlInstanceId": ignorcase_get(affectedvl, "virtualLinkInstanceId"),
 429                     "changeType": ignorcase_get(affectedvl, "changeType"),
 430                     "vimId": ignorcase_get(ignorcase_get(affectedvl, "networkResource"), "vimId"),
 431                     "vldId": ignorcase_get(affectedvl, "virtuallinkdescid"),
 432                     "networkResource": {
 433                         "resourceType": "network",
 434                         "resourceId": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourceid"),
 435                         "resourceName": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourcename")
 436                     }
 437                 })
 438
 439             for affectedcp in affectedcps:
 440                 req_data["affectedCp"].append(affectedcp)
 441
 442             vnfmid = ignorcase_get(req_data, 'vnfmId')
 443             vnfInstanceId = ignorcase_get(req_data, 'vnfinstanceid')
 444             notify_url = 'api/nslcm/v1/ns/%s/vnfs/%s/Notify' % (vnfmid, vnfInstanceId)
 445             logger.debug("notify_url = %s", notify_url)
 446             logger.debug("req_data = %s", req_data)
 447             ret = req_by_msb(notify_url, "POST", content=json.JSONEncoder().encode(req_data))
 448
 449             logger.debug("[%s]data = %s", fun_name(), ret)
 450             if ret[0] != 0:
 451                 raise Exception(ret[1])
 452
 453             return Response(data=None, status=status.HTTP_200_OK)
 454         except Exception as e:
 455             logger.error("Error occurred in LCM notification,error: %s", e.message)
 456             logger.error(traceback.format_exc())
 457             return Response(data={'error': 'Notify expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 458
 459
 460 class Scale(APIView):
 461     @swagger_auto_schema(
 462         request_body=ScaleReqSerializer(),
 463         responses={
 464             status.HTTP_202_ACCEPTED: InstScaleHealRespSerializer(),
 465             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 466         }
 467     )
 468     def post(self, request, vnfmid, vnfInstanceId):
 469         logger.debug("====scale_vnf===")
 470         try:
 471             logger.debug("request.data = %s", request.data)
 472             logger.debug("requested_url = %s", request.get_full_path())
 473             scaleReqSerializer = ScaleReqSerializer(data=request.data)
 474             if not scaleReqSerializer.is_valid():
 475                 raise Exception(scaleReqSerializer.errors)
 476
 477             ret = get_vnfminfo_from_nslcm(vnfmid)
 478             if ret[0] != 0:
 479                 raise Exception(ret[1])
 480
 481             vnfm_info = json.JSONDecoder().decode(ret[1])
 482             scale_type = ignorcase_get(scaleReqSerializer.data, "type")
 483             aspect_id = ignorcase_get(scaleReqSerializer.data, "aspectId")
 484             number_of_steps = ignorcase_get(scaleReqSerializer.data, "numberOfSteps")
 485             data = {
 486                 'vnfmid': vnfmid,
 487                 'nfvoid': 1,
 488                 'scaletype': '0' if scale_type == 'SCALE_OUT' else '1',
 489                 'vmlist': [{
 490                     'VMNumber': number_of_steps,
 491                     'VMFlavor': aspect_id
 492                 }],
 493                 'extension': ''
 494             }
 495
 496             logger.debug("data = %s", data)
 497             ret = restcall.call_req(
 498                 base_url=ignorcase_get(vnfm_info, "url"),
 499                 user=ignorcase_get(vnfm_info, "userName"),
 500                 passwd=ignorcase_get(vnfm_info, "password"),
 501                 auth_type=restcall.rest_no_auth,
 502                 resource='/v1/vnfs/{vnfInstanceID}/scale'.format(vnfInstanceID=vnfInstanceId),
 503                 method='put',  # POST
 504                 content=json.JSONEncoder().encode(data))
 505             logger.debug("ret=%s", ret)
 506             if ret[0] != 0:
 507                 raise Exception('scale error')
 508
 509             scaleRespSerializer = InstScaleHealRespSerializer(data=json.JSONDecoder().decode(ret[1]))
 510             if not scaleRespSerializer.is_valid():
 511                 raise Exception(scaleRespSerializer.errors)
 512
 513             logger.debug("scaleRespSerializer.data=%s", scaleRespSerializer.data)
 514             return Response(data=scaleRespSerializer.data, status=status.HTTP_202_ACCEPTED)
 515         except Exception as e:
 516             logger.error("Error occurred when scaling VNF,error:%s", e.message)
 517             logger.error(traceback.format_exc())
 518             return Response(data={'error': 'Scale expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 519
 520
 521 class Heal(APIView):
 522     @swagger_auto_schema(
 523         request_body=HealReqSerializer(),
 524         responses={
 525             status.HTTP_202_ACCEPTED: InstScaleHealRespSerializer(),
 526             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 527         }
 528     )
 529     def post(self, request, vnfmid, vnfInstanceId):
 530         logger.debug("====heal_vnf===")
 531         try:
 532             logger.debug("request.data = %s", request.data)
 533             logger.debug("requested_url = %s", request.get_full_path())
 534             healReqSerializer = HealReqSerializer(data=request.data)
 535             if not healReqSerializer.is_valid():
 536                 raise Exception(healReqSerializer.errors)
 537
 538             logger.debug("healReqSerializer.data = %s", healReqSerializer.data)
 539             logger.debug("vnfmid = %s", vnfmid)
 540             ret = get_vnfminfo_from_nslcm(vnfmid)
 541             if ret[0] != 0:
 542                 raise Exception(ret[1])
 543
 544             vnfm_info = json.JSONDecoder().decode(ret[1])
 545             req_data = {
 546                 "action": ignorcase_get(healReqSerializer.data, 'action'),
 547                 "lifecycleoperation": "operate",
 548                 "isgrace": "force",
 549                 "affectedvm": [],
 550             }
 551             affectedvm = ignorcase_get(healReqSerializer.data, 'affectedvm')
 552             if isinstance(affectedvm, list):
 553                 req_data['affectedvm'] = affectedvm
 554             else:
 555                 req_data['affectedvm'].append(affectedvm)
 556
 557             logger.debug("req_data = %s", req_data)
 558             ret = restcall.call_req(
 559                 base_url=ignorcase_get(vnfm_info, "url"),
 560                 user=ignorcase_get(vnfm_info, "userName"),
 561                 passwd=ignorcase_get(vnfm_info, "password"),
 562                 auth_type=restcall.rest_no_auth,
 563                 resource='/api/v1/nf_m_i/nfs/{vnfInstanceID}/vms/operation'.format(vnfInstanceID=vnfInstanceId),
 564                 method='post',
 565                 content=json.JSONEncoder().encode(req_data))
 566             logger.debug("ret=%s", ret)
 567             if ret[0] != 0:
 568                 raise Exception('heal error')
 569
 570             healRespSerializer = InstScaleHealRespSerializer(data=json.JSONDecoder().decode(ret[1]))
 571             if not healRespSerializer.is_valid():
 572                 raise Exception(healRespSerializer.errors)
 573
 574             logger.debug("healRespSerializer.data=%s", healRespSerializer.data)
 575             return Response(data=healRespSerializer.data, status=status.HTTP_202_ACCEPTED)
 576         except Exception as e:
 577             logger.error("Error occurred when healing VNF,error:%s", e.message)
 578             logger.error(traceback.format_exc())
 579             return Response(data={'error': 'Heal expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 580
 581
 582 def get_vdus(nf_model, aspect_id):
 583     associated_group = ''
 584     members = []
 585     vnf_flavours = nf_model['vnf_flavours']
 586     for vnf_flaour in vnf_flavours:
 587         scaling_aspects = vnf_flaour['scaling_aspects']
 588         for aspect in scaling_aspects:
 589             if aspect_id == aspect['id']:
 590                 associated_group = aspect['associated_group']
 591                 break
 592     if not associated_group:
 593         logger.error('Cannot find the corresponding element group')
 594         raise Exception('Cannot find the corresponding element group')
 595     for element_group in nf_model['element_groups']:
 596         if element_group['group_id'] == associated_group:
 597             members = element_group['members']
 598     if not members:
 599         logger.error('Cannot find the corresponding members')
 600         raise Exception('Cannot find the corresponding members')
 601     return members
 602
 603
 604 @api_view(http_method_names=['GET'])
 605 def samples(request, *args, **kwargs):
 606     return Response(data={"status": "ok"})