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.response import Response
  25 from rest_framework.views import APIView
  26 from django.http import StreamingHttpResponse
  27
  28 from driver.interfaces.serializers import HealReqSerializer, InstScaleHealRespSerializer, ScaleReqSerializer, \
  29     NotifyReqSerializer, GrantRespSerializer, GrantReqSerializer, JobQueryRespSerializer, TerminateVnfRequestSerializer, \
  30     InstantiateVnfRequestSerializer, QueryVnfResponseSerializer
  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 CHUNK_SIZE = 1024 * 8
  36
  37 logger = logging.getLogger(__name__)
  38
  39
  40 def load_json_file(file_name):
  41     json_file = os.path.join(os.path.dirname(__file__), "data/" + file_name)
  42     f = open(json_file)
  43     json_data = json.JSONDecoder().decode(f.read())
  44     f.close()
  45     return json_data
  46
  47
  48 def read(file_path, start, end):
  49     fp = open(file_path, 'rb')
  50     fp.seek(start)
  51     pos = start
  52     while pos + CHUNK_SIZE < end:
  53         yield fp.read(CHUNK_SIZE)
  54         pos = fp.tell()
  55     yield fp.read(end - pos)
  56
  57
  58 def parse_file_range(file_path, file_range):
  59     start, end = 0, os.path.getsize(file_path)
  60     if file_range:
  61         [start, end] = file_range.split('-')
  62         start, end = start.strip(), end.strip()
  63         start, end = int(start), int(end)
  64     return start, end
  65
  66
  67 def fun_name():
  68     return "=================%s==================" % inspect.stack()[1][3]
  69
  70
  71 def ignorcase_get(args, key):
  72     if not key:
  73         return ""
  74     if not args:
  75         return ""
  76     if key in args:
  77         return args[key]
  78     for old_key in args:
  79         if old_key.upper() == key.upper():
  80             return args[old_key]
  81     return ""
  82
  83
  84 # Query vnfm_info from nslcm
  85 def get_vnfminfo_from_nslcm(vnfmid):
  86     ret = req_by_msb("api/nslcm/v1/vnfms/%s" % vnfmid, "GET")
  87     return ret
  88
  89
  90 # Query vnfd_info from nslcm
  91 def vnfd_get(vnfpackageid):
  92     ret = req_by_msb("api/nslcm/v1/vnfpackage/%s" % vnfpackageid, "GET")
  93     return ret
  94
  95
  96 # Query vnfpackage_info from nslcm
  97 def vnfpackage_get(csarid):
  98     ret = req_by_msb("api/nslcm/v1/vnfpackage/%s" % csarid, "GET")
  99     return ret
 100
 101
 102 class InstantiateVnf(APIView):
 103     @swagger_auto_schema(
 104         request_body=InstantiateVnfRequestSerializer(),
 105         responses={
 106             status.HTTP_200_OK: InstScaleHealRespSerializer(),
 107             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 108         }
 109     )
 110     def post(self, request, vnfmid):
 111         try:
 112             logger.debug("[%s] request.data=%s", fun_name(), request.data)
 113             instantiateVnfRequestSerializer = InstantiateVnfRequestSerializer(data=request.data)
 114             if not instantiateVnfRequestSerializer.is_valid():
 115                 raise Exception(instantiateVnfRequestSerializer.errors)
 116
 117             ret = get_vnfminfo_from_nslcm(vnfmid)
 118             if ret[0] != 0:
 119                 raise Exception(ret[1])
 120
 121             vnfm_info = json.JSONDecoder().decode(ret[1])
 122             logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 123             vnf_package_id = ignorcase_get(instantiateVnfRequestSerializer.data, "vnfPackageId")
 124             ret = vnfd_get(vnf_package_id)
 125             if ret[0] != 0:
 126                 raise Exception(ret[1])
 127
 128             vnfd_info = json.JSONDecoder().decode(ret[1])
 129             logger.debug("[%s] vnfd_info=%s", fun_name(), vnfd_info)
 130             csar_id = ignorcase_get(vnfd_info, "csarId")
 131             ret = vnfpackage_get(csar_id)
 132             if ret[0] != 0:
 133                 raise Exception(ret[1])
 134
 135             vnf_package_info = json.JSONDecoder().decode(ret[1])
 136             packageInfo = ignorcase_get(vnf_package_info, "packageInfo")
 137             logger.debug("[%s] packageInfo=%s", fun_name(), packageInfo)
 138             logger.debug("VNF_FTP=%s", VNF_FTP)
 139             data = {
 140                 "NFVOID": 1,
 141                 "VNFMID": vnfmid,
 142                 "vnfd_id": packageInfo.get("vnfdId"),
 143                 "deployflavorid": "TODO",
 144                 "extension": {},
 145                 "inputs": []
 146             }
 147
 148             additionalParam = ignorcase_get(instantiateVnfRequestSerializer.data, "additionalParam")
 149             for name, value in ignorcase_get(additionalParam, "inputs").items():
 150                 data["inputs"].append({"key_name": name, "value": value, "type": "TODO"})
 151
 152             logger.debug("[%s] call_req data=%s", fun_name(), data)
 153
 154             ret = restcall.call_req(
 155                 base_url=ignorcase_get(vnfm_info, "url"),
 156                 user=ignorcase_get(vnfm_info, "userName"),
 157                 passwd=ignorcase_get(vnfm_info, "password"),
 158                 auth_type=restcall.rest_no_auth,
 159                 resource="v1/vnfs",
 160                 method='post',
 161                 content=json.JSONEncoder().encode(data))
 162
 163             logger.debug("[%s] call_req ret=%s", fun_name(), ret)
 164             if ret[0] != 0:
 165                 raise Exception(ret[1])
 166
 167             resp = json.JSONDecoder().decode(ret[1])
 168             resp_data = {
 169                 "vnfInstanceId": ignorcase_get(resp, "VNFInstanceID"),
 170                 "jobId": ignorcase_get(resp, "JobId")
 171             }
 172             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 173             instRespSerializer = InstScaleHealRespSerializer(data=resp_data)
 174             if not instRespSerializer.is_valid():
 175                 raise Exception(instRespSerializer.errors)
 176
 177             logger.debug("[%s] instRespSerializer.data=%s", fun_name(), instRespSerializer.data)
 178             return Response(data=instRespSerializer.data, status=status.HTTP_200_OK)
 179         except Exception as e:
 180             logger.error("Error occurred when instantiating VNF,error:%s", e.message)
 181             logger.error(traceback.format_exc())
 182             return Response(data={'error': 'InstantiateVnf expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 183
 184
 185 class TerminateVnf(APIView):
 186     @swagger_auto_schema(
 187         request_body=TerminateVnfRequestSerializer(),
 188         responses={
 189             status.HTTP_200_OK: InstScaleHealRespSerializer(),
 190             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 191         }
 192     )
 193     def post(self, request, vnfmid, vnfInstanceId):
 194         try:
 195             logger.debug("[%s] request.data=%s", fun_name(), request.data)
 196             terminate_vnf_request_serializer = TerminateVnfRequestSerializer(data=request.data)
 197             if not terminate_vnf_request_serializer.is_valid():
 198                 raise Exception(terminate_vnf_request_serializer.errors)
 199
 200             ret = get_vnfminfo_from_nslcm(vnfmid)
 201             if ret[0] != 0:
 202                 raise Exception(ret[1])
 203
 204             vnfm_info = json.JSONDecoder().decode(ret[1])
 205             logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 206             ret = restcall.call_req(
 207                 base_url=ignorcase_get(vnfm_info, "url"),
 208                 user=ignorcase_get(vnfm_info, "userName"),
 209                 passwd=ignorcase_get(vnfm_info, "password"),
 210                 auth_type=restcall.rest_no_auth,
 211                 resource="v1/vnfs/%s" % vnfInstanceId,
 212                 method='delete',
 213                 content=json.JSONEncoder().encode(terminate_vnf_request_serializer.data))
 214             if ret[0] != 0:
 215                 raise Exception(ret[1])
 216
 217             resp = json.JSONDecoder().decode(ret[1])
 218             resp_data = {
 219                 "vnfInstanceId": ignorcase_get(resp, "VNFInstanceID"),
 220                 "jobId": ignorcase_get(resp, "JobId")
 221             }
 222             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 223             terminateRespSerializer = InstScaleHealRespSerializer(data=resp_data)
 224             if not terminateRespSerializer.is_valid():
 225                 raise Exception(terminateRespSerializer.errors)
 226             return Response(data=terminateRespSerializer.data, status=status.HTTP_200_OK)
 227         except Exception as e:
 228             logger.error("Error occurred when terminating VNF,error: %s", e.message)
 229             logger.error(traceback.format_exc())
 230             return Response(data={'error': 'TerminateVnf expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 231
 232
 233 class QueryVnf(APIView):
 234     @swagger_auto_schema(
 235         responses={
 236             status.HTTP_200_OK: QueryVnfResponseSerializer(),
 237             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 238         }
 239     )
 240     def get(self, request, vnfmid, vnfInstanceId):
 241         try:
 242             logger.debug("[%s] request.data=%s", fun_name(), request.data)
 243             ret = get_vnfminfo_from_nslcm(vnfmid)
 244             if ret[0] != 0:
 245                 raise Exception(ret[1])
 246
 247             vnfm_info = json.JSONDecoder().decode(ret[1])
 248             logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 249             ret = restcall.call_req(
 250                 base_url=ignorcase_get(vnfm_info, "url"),
 251                 user=ignorcase_get(vnfm_info, "userName"),
 252                 passwd=ignorcase_get(vnfm_info, "password"),
 253                 auth_type=restcall.rest_no_auth,
 254                 resource="v1/vnfs/%s" % vnfInstanceId,
 255                 method='get',
 256                 content=json.JSONEncoder().encode({}))
 257             if ret[0] != 0:
 258                 raise Exception(ret[1])
 259
 260             resp = json.JSONDecoder().decode(ret[1])
 261             vnf_status = ignorcase_get(resp, "vnfinstancestatus")
 262             resp_data = {"vnfInfo": {"vnfStatus": vnf_status}}
 263             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 264             queryVnfResponseSerializer = QueryVnfResponseSerializer(data=resp_data)
 265             if not queryVnfResponseSerializer.is_valid():
 266                 raise Exception(queryVnfResponseSerializer.errors)
 267             return Response(data=queryVnfResponseSerializer.data, status=status.HTTP_200_OK)
 268         except Exception as e:
 269             logger.error("Error occurred when querying VNF information,error:%s", e.message)
 270             logger.error(traceback.format_exc())
 271             return Response(data={'error': 'QueryVnf expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 272
 273
 274 class JobView(APIView):
 275     @swagger_auto_schema(
 276         manual_parameters=[
 277             openapi.Parameter('responseId',
 278                               openapi.IN_QUERY,
 279                               "responseId",
 280                               type=openapi.TYPE_INTEGER
 281                               ),
 282         ],
 283         responses={
 284             status.HTTP_200_OK: JobQueryRespSerializer(),
 285             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 286         }
 287     )
 288     def get(self, request, vnfmid, jobid):
 289         try:
 290             logger.debug("[%s] request.data=%s", fun_name(), request.data)
 291             ret = get_vnfminfo_from_nslcm(vnfmid)
 292             if ret[0] != 0:
 293                 raise Exception(ret[1])
 294
 295             vnfm_info = json.JSONDecoder().decode(ret[1])
 296             logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 297             operation_status_url = '/v1/jobs/{jobId}?NFVOID={nfvoId}&VNFMID={vnfmId}&ResponseID={responseId}'
 298             responseId = ignorcase_get(request.GET, 'responseId')
 299             query_url = operation_status_url.format(jobId=jobid, nfvoId=1, vnfmId=vnfmid, responseId=responseId)
 300             ret = restcall.call_req(
 301                 base_url=ignorcase_get(vnfm_info, 'url'),
 302                 user=ignorcase_get(vnfm_info, 'userName'),
 303                 passwd=ignorcase_get(vnfm_info, 'password'),
 304                 auth_type=restcall.rest_no_auth,
 305                 resource=query_url,
 306                 method='get',
 307                 content={})
 308
 309             if ret[0] != 0:
 310                 raise Exception(ret[1])
 311
 312             resp_data = json.JSONDecoder().decode(ret[1])
 313             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 314             jobQueryRespSerializer = JobQueryRespSerializer(data=resp_data)
 315             if not jobQueryRespSerializer.is_valid():
 316                 raise Exception(jobQueryRespSerializer.errors)
 317
 318             return Response(data=jobQueryRespSerializer.data, status=status.HTTP_200_OK)
 319         except Exception as e:
 320             logger.error("Error occurred when getting operation status information,error:%s", e.message)
 321             logger.error(traceback.format_exc())
 322             return Response(data={'error': 'QueryJob expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 323
 324
 325 class GrantVnf(APIView):
 326     @swagger_auto_schema(
 327         request_body=GrantReqSerializer(),
 328         responses={
 329             status.HTTP_201_CREATED: GrantRespSerializer(),
 330             status.HTTP_500_INTERNAL_SERVER_ERROR: 'Internal error'
 331         }
 332     )
 333     def put(self, request):
 334         logger.debug("=====GrantVnf=====")
 335         try:
 336             logger.debug("request.data = %s", request.data)
 337             grantReqSerializer = GrantReqSerializer(data=request.data)
 338             if not grantReqSerializer.is_valid():
 339                 raise Exception(grantReqSerializer.errors)
 340
 341             logger.debug("grantReqSerializer.data = %s", grantReqSerializer.data)
 342             req_data = {
 343                 "vnfInstanceId": ignorcase_get(grantReqSerializer.data, "vnfistanceid"),
 344                 "vnfDescriptorId": "",
 345                 "addresource": [],
 346                 "additionalparam": {
 347                     "vnfmid": ignorcase_get(grantReqSerializer.data, "vnfmid"),
 348                     "vimid": ignorcase_get(grantReqSerializer.data, "vimid"),
 349                     "tenant": ignorcase_get(grantReqSerializer.data, "tenant")
 350                 }
 351             }
 352             if ignorcase_get(grantReqSerializer.data, "operationright") == 0:
 353                 req_data["lifecycleOperation"] = "Instantiate"
 354                 for vm in ignorcase_get(grantReqSerializer.data, "vmlist"):
 355                     for i in range(int(ignorcase_get(vm, "VMNumber"))):
 356                         req_data["addresource"].append(
 357                             {
 358                                 "type": "vdu",
 359                                 "resourceDefinitionId": i,
 360                                 "vdu": ignorcase_get(vm, "VMFlavor"),
 361                                 "vimid": ignorcase_get(vm, "vimid"),
 362                                 "tenant": ignorcase_get(vm, "tenant")})
 363
 364             logger.debug("req_data=%s", req_data)
 365             ret = req_by_msb('api/nslcm/v1/ns/grantvnf', "POST", content=json.JSONEncoder().encode(req_data))
 366             logger.info("ret = %s", ret)
 367             if ret[0] != 0:
 368                 raise Exception(ret[1])
 369
 370             resp = json.JSONDecoder().decode(ret[1])
 371             resp_data = {
 372                 'vimid': ignorcase_get(resp['vim'], 'vimid'),
 373                 'tenant': ignorcase_get(ignorcase_get(resp['vim'], 'accessinfo'), 'tenant')
 374             }
 375             logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 376             grantRespSerializer = GrantRespSerializer(data=resp_data)
 377             if not grantRespSerializer.is_valid():
 378                 raise Exception(grantRespSerializer.errors)
 379
 380             logger.debug("grantRespSerializer.data=%s", grantRespSerializer.data)
 381             return Response(data=grantRespSerializer.data, status=status.HTTP_201_CREATED)
 382         except Exception as e:
 383             logger.error("Error occurred in Grant VNF, error: %s", e.message)
 384             logger.error(traceback.format_exc())
 385             return Response(data={'error': 'Grant expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 386
 387
 388 class Notify(APIView):
 389     @swagger_auto_schema(
 390         request_body=NotifyReqSerializer(),
 391         responses={
 392             status.HTTP_200_OK: 'Successfully',
 393             status.HTTP_500_INTERNAL_SERVER_ERROR: 'Internal error'
 394         }
 395     )
 396     def post(self, request):
 397         try:
 398             logger.debug("[%s]request.data = %s", fun_name(), request.data)
 399             notifyReqSerializer = NotifyReqSerializer(data=request.data)
 400             if not notifyReqSerializer.is_valid():
 401                 raise Exception(notifyReqSerializer.errors)
 402
 403             logger.debug("[%s]notifyReqSerializer.data = %s", fun_name(), notifyReqSerializer.data)
 404             req_data = {
 405                 "status": "result",
 406                 "vnfInstanceId": ignorcase_get(notifyReqSerializer.data, "vnfinstanceid"),
 407                 "vnfmId": ignorcase_get(notifyReqSerializer.data, "vnfmid"),
 408                 "vimId": ignorcase_get(notifyReqSerializer.data, "vimid"),
 409                 "operation": ignorcase_get(notifyReqSerializer.data, "EventType"),
 410                 "jobId": "notMust",
 411                 "affectedVl": [],
 412                 "affectedCp": [],
 413                 "affectedVirtualStorage": [],
 414                 "affectedVnfc": [],
 415             }
 416
 417             extension = ignorcase_get(notifyReqSerializer.data, "extension")
 418             openo_notification = ignorcase_get(extension, "openo_notification")
 419             if openo_notification:
 420                 affectedvnfcs = ignorcase_get(openo_notification, "affectedVnfc")
 421                 affectedvls = ignorcase_get(openo_notification, "affectedvirtuallink")
 422                 affectedcps = ignorcase_get(openo_notification, "affectedCp")
 423                 vnfdmodule = ignorcase_get(openo_notification, "vnfdmodule")
 424             else:
 425                 affectedvnfcs = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "affectedvnfc")
 426                 affectedvls = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "affectedvl")
 427                 affectedcps = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "affectedcp")
 428                 vnfdmodule = ignorcase_get(ignorcase_get(notifyReqSerializer.data, "extension"), "vnfdmodule")
 429
 430             req_data["vnfdmodule"] = vnfdmodule
 431
 432             for affectedvnfc in affectedvnfcs:
 433                 req_data["affectedVnfc"].append({
 434                     "vnfcInstanceId": ignorcase_get(affectedvnfc, "vnfcInstanceId"),
 435                     "vduId": ignorcase_get(affectedvnfc, "vduId"),
 436                     "changeType": ignorcase_get(affectedvnfc, "changeType"),
 437                     "vimId": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "vimId"),
 438                     "vmId": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "resourceId"),
 439                     "vmName": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "resourceName")
 440                 })
 441
 442             for affectedvl in affectedvls:
 443                 req_data["affectedVl"].append({
 444                     "vlInstanceId": ignorcase_get(affectedvl, "virtualLinkInstanceId"),
 445                     "changeType": ignorcase_get(affectedvl, "changeType"),
 446                     "vimId": ignorcase_get(ignorcase_get(affectedvl, "networkResource"), "vimId"),
 447                     "vldId": ignorcase_get(affectedvl, "virtuallinkdescid"),
 448                     "networkResource": {
 449                         "resourceType": "network",
 450                         "resourceId": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourceid"),
 451                         "resourceName": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourcename")
 452                     }
 453                 })
 454
 455             for affectedcp in affectedcps:
 456                 req_data["affectedCp"].append(affectedcp)
 457
 458             vnfmid = ignorcase_get(req_data, 'vnfmId')
 459             vnfInstanceId = ignorcase_get(req_data, 'vnfinstanceid')
 460             notify_url = 'api/nslcm/v1/ns/%s/vnfs/%s/Notify' % (vnfmid, vnfInstanceId)
 461             logger.debug("notify_url = %s", notify_url)
 462             logger.debug("req_data = %s", req_data)
 463             ret = req_by_msb(notify_url, "POST", content=json.JSONEncoder().encode(req_data))
 464
 465             logger.debug("[%s]data = %s", fun_name(), ret)
 466             if ret[0] != 0:
 467                 raise Exception(ret[1])
 468
 469             return Response(data=None, status=status.HTTP_200_OK)
 470         except Exception as e:
 471             logger.error("Error occurred in LCM notification,error: %s", e.message)
 472             logger.error(traceback.format_exc())
 473             return Response(data={'error': 'Notify expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 474
 475
 476 class Scale(APIView):
 477     @swagger_auto_schema(
 478         request_body=ScaleReqSerializer(),
 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("====scale_vnf===")
 486         try:
 487             logger.debug("request.data = %s", request.data)
 488             logger.debug("requested_url = %s", request.get_full_path())
 489             scaleReqSerializer = ScaleReqSerializer(data=request.data)
 490             if not scaleReqSerializer.is_valid():
 491                 raise Exception(scaleReqSerializer.errors)
 492
 493             ret = get_vnfminfo_from_nslcm(vnfmid)
 494             if ret[0] != 0:
 495                 raise Exception(ret[1])
 496
 497             vnfm_info = json.JSONDecoder().decode(ret[1])
 498             scale_type = ignorcase_get(scaleReqSerializer.data, "type")
 499             aspect_id = ignorcase_get(scaleReqSerializer.data, "aspectId")
 500             number_of_steps = ignorcase_get(scaleReqSerializer.data, "numberOfSteps")
 501             data = {
 502                 'vnfmid': vnfmid,
 503                 'nfvoid': 1,
 504                 'scaletype': '0' if scale_type == 'SCALE_OUT' else '1',
 505                 'vmlist': [{
 506                     'VMNumber': number_of_steps,
 507                     'VMFlavor': aspect_id
 508                 }],
 509                 'extension': ''
 510             }
 511
 512             logger.debug("data = %s", 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='/v1/vnfs/{vnfInstanceID}/scale'.format(vnfInstanceID=vnfInstanceId),
 519                 method='put',  # POST
 520                 content=json.JSONEncoder().encode(data))
 521             logger.debug("ret=%s", ret)
 522             if ret[0] != 0:
 523                 raise Exception('scale error')
 524
 525             scaleRespSerializer = InstScaleHealRespSerializer(data=json.JSONDecoder().decode(ret[1]))
 526             if not scaleRespSerializer.is_valid():
 527                 raise Exception(scaleRespSerializer.errors)
 528
 529             logger.debug("scaleRespSerializer.data=%s", scaleRespSerializer.data)
 530             return Response(data=scaleRespSerializer.data, status=status.HTTP_202_ACCEPTED)
 531         except Exception as e:
 532             logger.error("Error occurred when scaling VNF,error:%s", e.message)
 533             logger.error(traceback.format_exc())
 534             return Response(data={'error': 'Scale expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 535
 536
 537 class Heal(APIView):
 538     @swagger_auto_schema(
 539         request_body=HealReqSerializer(),
 540         responses={
 541             status.HTTP_202_ACCEPTED: InstScaleHealRespSerializer(),
 542             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
 543         }
 544     )
 545     def post(self, request, vnfmid, vnfInstanceId):
 546         logger.debug("====heal_vnf===")
 547         try:
 548             logger.debug("request.data = %s", request.data)
 549             logger.debug("requested_url = %s", request.get_full_path())
 550             healReqSerializer = HealReqSerializer(data=request.data)
 551             if not healReqSerializer.is_valid():
 552                 raise Exception(healReqSerializer.errors)
 553
 554             logger.debug("healReqSerializer.data = %s", healReqSerializer.data)
 555             logger.debug("vnfmid = %s", vnfmid)
 556             ret = get_vnfminfo_from_nslcm(vnfmid)
 557             if ret[0] != 0:
 558                 raise Exception(ret[1])
 559
 560             vnfm_info = json.JSONDecoder().decode(ret[1])
 561             req_data = {
 562                 "action": ignorcase_get(healReqSerializer.data, 'action'),
 563                 "lifecycleoperation": "operate",
 564                 "isgrace": "force",
 565                 "affectedvm": [],
 566             }
 567             affectedvm = ignorcase_get(healReqSerializer.data, 'affectedvm')
 568             if isinstance(affectedvm, list):
 569                 req_data['affectedvm'] = affectedvm
 570             else:
 571                 req_data['affectedvm'].append(affectedvm)
 572
 573             logger.debug("req_data = %s", req_data)
 574             ret = restcall.call_req(
 575                 base_url=ignorcase_get(vnfm_info, "url"),
 576                 user=ignorcase_get(vnfm_info, "userName"),
 577                 passwd=ignorcase_get(vnfm_info, "password"),
 578                 auth_type=restcall.rest_no_auth,
 579                 resource='/api/v1/nf_m_i/nfs/{vnfInstanceID}/vms/operation'.format(vnfInstanceID=vnfInstanceId),
 580                 method='post',
 581                 content=json.JSONEncoder().encode(req_data))
 582             logger.debug("ret=%s", ret)
 583             if ret[0] != 0:
 584                 raise Exception('heal error')
 585
 586             healRespSerializer = InstScaleHealRespSerializer(data=json.JSONDecoder().decode(ret[1]))
 587             if not healRespSerializer.is_valid():
 588                 raise Exception(healRespSerializer.errors)
 589
 590             logger.debug("healRespSerializer.data=%s", healRespSerializer.data)
 591             return Response(data=healRespSerializer.data, status=status.HTTP_202_ACCEPTED)
 592         except Exception as e:
 593             logger.error("Error occurred when healing VNF,error:%s", e.message)
 594             logger.error(traceback.format_exc())
 595             return Response(data={'error': 'Heal expection'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
 596
 597
 598 def get_vdus(nf_model, aspect_id):
 599     associated_group = ''
 600     members = []
 601     vnf_flavours = nf_model['vnf_flavours']
 602     for vnf_flaour in vnf_flavours:
 603         scaling_aspects = vnf_flaour['scaling_aspects']
 604         for aspect in scaling_aspects:
 605             if aspect_id == aspect['id']:
 606                 associated_group = aspect['associated_group']
 607                 break
 608     if not associated_group:
 609         logger.error('Cannot find the corresponding element group')
 610         raise Exception('Cannot find the corresponding element group')
 611     for element_group in nf_model['element_groups']:
 612         if element_group['group_id'] == associated_group:
 613             members = element_group['members']
 614     if not members:
 615         logger.error('Cannot find the corresponding members')
 616         raise Exception('Cannot find the corresponding members')
 617     return members
 618
 619
 620 class SampleList(APIView):
 621     @swagger_auto_schema(
 622         responses={
 623             status.HTTP_200_OK: 'Successfully'})
 624     def get(self, request):
 625         logger.debug("get")
 626         return Response({"status": "active"})
 627
 628
 629 class Subscribe(APIView):
 630     def get(self, request):
 631         logger.debug("====Subscribe get====")
 632         resp_data = {
 633             "subscriptions": [{
 634                 "subscribeid": "cdbddb00-452c-11e9-91e8-acc860114657",
 635                 "filter": [{
 636                     "vendor": "ZTE",
 637                     "type": "vCPE",
 638                 }],
 639                 "notificationuri": " https://127.0.0.1:80/v2/vnfm/vnfds/notification",
 640             }]
 641         }
 642         return Response(data=resp_data, status=status.HTTP_200_OK)
 643
 644     def post(self, request):
 645         logger.debug("====Subscribe post====")
 646         resp_data = {"subscribeid": "cdbddb00-452c-11e9-91e8-acc860114657"}
 647         return Response(data=resp_data, status=status.HTTP_201_CREATED)
 648
 649
 650 class SubscribeDetail(APIView):
 651     def delete(self, request, subscribeId):
 652         logger.debug("====SubscribeDetail delete %s====", subscribeId)
 653         return Response(status=status.HTTP_204_NO_CONTENT)
 654
 655
 656 class VnfPkgs(APIView):
 657     def get(self, request):
 658         logger.debug("====VnfPkgs get====")
 659         resp_data = {
 660             "data": [{
 661                 "packageid": "924fc980-4530-11e9-ae68-acc860114657",
 662                 "vendor": "ZTE",
 663                 "type": "vCPE",
 664                 "vnfdfile": "MRP6600_FS_SRIOV_4NIC_200W.zip",
 665                 "imagefiles": ["MRP6600_FS_SRIOV_MRPISU_IMGV500R008C20SPC030T.tar"],
 666                 "swfiles": ["MRP6600_SRV_V500R008C20SPC030T.tar"],
 667                 "description": "This is a service for vCPE.",
 668             }]
 669         }
 670         return Response(data=resp_data, status=status.HTTP_200_OK)
 671
 672
 673 class VnfPkg(APIView):
 674     def get(self, request, packageId, fileName):
 675         logger.debug("====VnfPkg get====%s, %s", packageId, fileName)
 676         file_range = request.META.get('RANGE')
 677         logger.debug('file_range: %s' % file_range)
 678         # TODO: get filepath
 679         local_file_path = fileName
 680         start, end = parse_file_range(local_file_path, file_range)
 681         file_iterator = read(local_file_path, start, end)
 682         return StreamingHttpResponse(file_iterator, status=status.HTTP_200_OK)