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