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 traceback
  19 import os
  20
  21 from rest_framework.decorators import api_view
  22 from rest_framework.response import Response
  23
  24 from driver.pub.utils import restcall
  25 from driver.pub.utils.restcall import req_by_msb
  26 from driver.pub.config.config import VNF_FTP
  27
  28 logger = logging.getLogger(__name__)
  29
  30
  31 def load_json_file(file_name):
  32     json_file = os.path.join(os.path.dirname(__file__), "data/" + file_name)
  33     f = open(json_file)
  34     json_data = json.JSONDecoder().decode(f.read())
  35     f.close()
  36     return json_data
  37
  38
  39 def fun_name():
  40     return "=================%s==================" % inspect.stack()[1][3]
  41
  42
  43 def ignorcase_get(args, key):
  44     if not key:
  45         return ""
  46     if not args:
  47         return ""
  48     if key in args:
  49         return args[key]
  50     for old_key in args:
  51         if old_key.upper() == key.upper():
  52             return args[old_key]
  53     return ""
  54
  55
  56 def mapping_conv(keyword_map, rest_return):
  57     resp_data = {}
  58     for param in keyword_map:
  59         if keyword_map[param]:
  60             resp_data[keyword_map[param]] = ignorcase_get(rest_return, param)
  61     return resp_data
  62
  63
  64 # Query vnfm_info from nslcm
  65 def get_vnfminfo_from_nslcm(vnfmid):
  66     ret = req_by_msb("api/nslcm/v1/vnfms/%s" % vnfmid, "GET")
  67     return ret
  68
  69
  70 # Query vnfd_info from nslcm
  71 def vnfd_get(vnfpackageid):
  72     ret = req_by_msb("api/nslcm/v1/vnfpackage/%s" % vnfpackageid, "GET")
  73     return ret
  74
  75
  76 # Query vnfpackage_info from nslcm
  77 def vnfpackage_get(csarid):
  78     ret = req_by_msb("api/nslcm/v1/vnfpackage/%s" % csarid, "GET")
  79     return ret
  80
  81
  82 @api_view(http_method_names=['POST'])
  83 def instantiate_vnf(request, *args, **kwargs):
  84     try:
  85         logger.debug("[%s] request.data=%s", fun_name(), request.data)
  86         vnfm_id = ignorcase_get(kwargs, "vnfmid")
  87         ret = get_vnfminfo_from_nslcm(vnfm_id)
  88         if ret[0] != 0:
  89             return Response(data={'error': ret[1]}, status=ret[2])
  90         vnfm_info = json.JSONDecoder().decode(ret[1])
  91         logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
  92         vnf_package_id = ignorcase_get(request.data, "vnfPackageId")
  93         ret = vnfd_get(vnf_package_id)
  94         if ret[0] != 0:
  95             return Response(data={'error': ret[1]}, status=ret[2])
  96         vnfd_info = json.JSONDecoder().decode(ret[1])
  97         logger.debug("[%s] vnfd_info=%s", fun_name(), vnfd_info)
  98         csar_id = ignorcase_get(vnfd_info, "csarId")
  99         ret = vnfpackage_get(csar_id)
 100         if ret[0] != 0:
 101             return Response(data={'error': ret[1]}, status=ret[2])
 102         vnf_package_info = json.JSONDecoder().decode(ret[1])
 103         packageInfo = ignorcase_get(vnf_package_info, "packageInfo")
 104         logger.debug("[%s] packageInfo=%s", fun_name(), packageInfo)
 105         data = {}
 106         data["NFVOID"] = 1
 107         data["VNFMID"] = vnfm_id
 108         vnfdModel = json.loads(ignorcase_get(packageInfo, "vnfdModel"))
 109         metadata = ignorcase_get(vnfdModel, "metadata")
 110         vnfd_name = ignorcase_get(metadata, "name")
 111         # TODO  convert sdc vnf package to vnf vender package
 112         inputs = []
 113         if "SPGW" in vnfd_name.upper():
 114             data["VNFD"] = VNF_FTP + "SPGW"
 115             inputs = load_json_file("SPGW" + "_inputs.json")
 116         elif "MME" in vnfd_name.upper():
 117             data["VNFD"] = VNF_FTP + "MME"
 118             inputs = load_json_file("MME" + "_inputs.json")
 119         else:
 120             data["VNFD"] = ignorcase_get(packageInfo, "downloadUri")
 121
 122         data["VNFURL"] = data["VNFD"]
 123
 124         data["extension"] = {}
 125         for name, value in ignorcase_get(ignorcase_get(request.data, "additionalParam"), "inputs").items():
 126             inputs.append({"name": name, "value": value})
 127
 128         data["extension"]["inputs"] = json.dumps(inputs)
 129         additionalParam = ignorcase_get(request.data, "additionalParam")
 130         data["extension"]["extVirtualLinks"] = ignorcase_get(additionalParam, "extVirtualLinks")
 131         data["extension"]["vnfinstancename"] = ignorcase_get(request.data, "vnfInstanceName")
 132         data["extension"]["vnfid"] = data["VNFD"]
 133         data["extension"]["multivim"] = 0
 134         logger.debug("[%s] call_req data=%s", fun_name(), data)
 135
 136         ret = restcall.call_req(
 137             base_url=ignorcase_get(vnfm_info, "url"),
 138             user=ignorcase_get(vnfm_info, "userName"),
 139             passwd=ignorcase_get(vnfm_info, "password"),
 140             auth_type=restcall.rest_no_auth,
 141             resource="v1/vnfs",
 142             method='post',
 143             content=json.JSONEncoder().encode(data))
 144
 145         logger.debug("[%s] call_req ret=%s", fun_name(), ret)
 146         if ret[0] != 0:
 147             return Response(data={'error': ret[1]}, status=ret[2])
 148         resp = json.JSONDecoder().decode(ret[1])
 149         resp_data = {
 150             "vnfInstanceId": ignorcase_get(resp, "VNFInstanceID"),
 151             "jobId": ignorcase_get(resp, "JobId")
 152         }
 153         logger.info("[%s]resp_data=%s", fun_name(), resp_data)
 154     except Exception as e:
 155         logger.error("Error occurred when instantiating VNF")
 156         raise e
 157     return Response(data=resp_data, status=ret[2])
 158
 159
 160 @api_view(http_method_names=['POST'])
 161 def terminate_vnf(request, *args, **kwargs):
 162     try:
 163         logger.debug("[%s] request.data=%s", fun_name(), request.data)
 164         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 165         ret = get_vnfminfo_from_nslcm(vnfm_id)
 166         if ret[0] != 0:
 167             return Response(data={'error': ret[1]}, status=ret[2])
 168         vnfm_info = json.JSONDecoder().decode(ret[1])
 169         logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 170         ret = restcall.call_req(
 171             base_url=ignorcase_get(vnfm_info, "url"),
 172             user=ignorcase_get(vnfm_info, "userName"),
 173             passwd=ignorcase_get(vnfm_info, "password"),
 174             auth_type=restcall.rest_no_auth,
 175             resource="v1/vnfs/%s" % (ignorcase_get(kwargs, "vnfInstanceID")),
 176             method='delete',
 177             content=json.JSONEncoder().encode(request.data))
 178         if ret[0] != 0:
 179             return Response(data={'error': ret[1]}, status=ret[2])
 180         resp = json.JSONDecoder().decode(ret[1])
 181         resp_data = {
 182             "vnfInstanceId": ignorcase_get(resp, "VNFInstanceID"),
 183             "jobId": ignorcase_get(resp, "JobId")
 184         }
 185         logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 186     except Exception as e:
 187         logger.error("Error occurred when terminating VNF")
 188         raise e
 189     return Response(data=resp_data, status=ret[2])
 190
 191
 192 @api_view(http_method_names=['GET'])
 193 def query_vnf(request, *args, **kwargs):
 194     try:
 195         logger.debug("[%s] request.data=%s", fun_name(), request.data)
 196         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 197         ret = get_vnfminfo_from_nslcm(vnfm_id)
 198         if ret[0] != 0:
 199             return Response(data={'error': ret[1]}, status=ret[2])
 200         vnfm_info = json.JSONDecoder().decode(ret[1])
 201         logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 202         ret = restcall.call_req(
 203             base_url=ignorcase_get(vnfm_info, "url"),
 204             user=ignorcase_get(vnfm_info, "userName"),
 205             passwd=ignorcase_get(vnfm_info, "password"),
 206             auth_type=restcall.rest_no_auth,
 207             resource="v1/vnfs/%s" % (ignorcase_get(kwargs, "vnfInstanceID")),
 208             method='get',
 209             content=json.JSONEncoder().encode({}))
 210         if ret[0] != 0:
 211             return Response(data={'error': ret[1]}, status=ret[2])
 212         resp = json.JSONDecoder().decode(ret[1])
 213         vnf_status = ignorcase_get(resp, "vnfinstancestatus")
 214         resp_data = {"vnfInfo": {"vnfStatus": vnf_status}}
 215         logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 216     except Exception as e:
 217         logger.error("Error occurred when querying VNF information.")
 218         raise e
 219     return Response(data=resp_data, status=ret[2])
 220
 221
 222 @api_view(http_method_names=['GET'])
 223 def operation_status(request, *args, **kwargs):
 224     data = {}
 225     try:
 226         logger.debug("[%s] request.data=%s", fun_name(), request.data)
 227         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 228         ret = get_vnfminfo_from_nslcm(vnfm_id)
 229         if ret[0] != 0:
 230             return Response(data={'error': ret[1]}, status=ret[2])
 231         vnfm_info = json.JSONDecoder().decode(ret[1])
 232         logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 233         operation_status_url = '/v1/jobs/{jobId}?NFVOID={nfvoId}&VNFMID={vnfmId}&ResponseID={responseId}'
 234         ret = restcall.call_req(
 235             base_url=ignorcase_get(vnfm_info, 'url'),
 236             user=ignorcase_get(vnfm_info, 'userName'),
 237             passwd=ignorcase_get(vnfm_info, 'password'),
 238             auth_type=restcall.rest_no_auth,
 239             resource=operation_status_url.format(jobId=ignorcase_get(kwargs, 'jobid'), nfvoId=1,
 240                                                  vnfmId=ignorcase_get(kwargs, 'vnfmid'),
 241                                                  responseId=ignorcase_get(request.GET, 'responseId')),
 242             method='get',
 243             content=json.JSONEncoder().encode(data))
 244
 245         if ret[0] != 0:
 246             return Response(data={'error': ret[1]}, status=ret[2])
 247         resp_data = json.JSONDecoder().decode(ret[1])
 248         logger.info("[%s]resp_data=%s", fun_name(), resp_data)
 249     except Exception as e:
 250         logger.error("Error occurred when getting operation status information.")
 251         raise e
 252     return Response(data=resp_data, status=ret[2])
 253
 254
 255 @api_view(http_method_names=['PUT'])
 256 def grantvnf(request, *args, **kwargs):
 257     logger.info("=====grantvnf=====")
 258     try:
 259         resp_data = {}
 260         logger.info("req_data = %s", request.data)
 261         grant_vnf_param_map = {
 262             "VNFMID": "",
 263             "NFVOID": "",
 264             "VIMID": "",
 265             "ExVIMIDList": "",
 266             "ExVIMID": "",
 267             "Tenant": "",
 268             "VNFInstanceID": "vnfInstanceId",
 269             "OperationRight": "",
 270             "VMList": "",
 271             "VMFlavor": "",
 272             "VMNumber": ""
 273         }
 274         data = mapping_conv(grant_vnf_param_map, request.data)
 275         data["vnfDescriptorId"] = ""
 276         if ignorcase_get(request.data, "operationright") == 0:
 277             data["lifecycleOperation"] = "Instantiate"
 278             data["addresource"] = []
 279             for vm in ignorcase_get(request.data, "vmlist"):
 280                 for i in range(int(ignorcase_get(vm, "vmnumber"))):
 281                     data["addresource"].append(
 282                         {
 283                             "type": "vdu",
 284                             "resourceDefinitionId": i,
 285                             "vdu": ignorcase_get(vm, "vmflavor"),
 286                             "vimid": ignorcase_get(vm, "vimid"),
 287                             "tenant": ignorcase_get(vm, "tenant")})
 288
 289         data["additionalparam"] = {}
 290         data["additionalparam"]["vnfmid"] = ignorcase_get(request.data, "vnfmid")
 291         data["additionalparam"]["vimid"] = ignorcase_get(request.data, "vimid")
 292         data["additionalparam"]["tenant"] = ignorcase_get(request.data, "tenant")
 293
 294         ret = req_by_msb('api/nslcm/v1/ns/grantvnf', "POST", content=json.JSONEncoder().encode(data))
 295         logger.info("ret = %s", ret)
 296         if ret[0] != 0:
 297             return Response(data={'error': ret[1]}, status=ret[2])
 298         resp = json.JSONDecoder().decode(ret[1])
 299         resp_data['vimid'] = ignorcase_get(resp['vim'], 'vimid')
 300         resp_data['tenant'] = ignorcase_get(ignorcase_get(resp['vim'], 'accessinfo'), 'tenant')
 301         logger.info("[%s]resp_data=%s", fun_name(), resp_data)
 302     except Exception as e:
 303         logger.error("Error occurred in Grant VNF.")
 304         raise e
 305     return Response(data=resp_data, status=ret[2])
 306
 307
 308 # Notify LCM Events
 309 notify_url = 'api/nslcm/v1/ns/{vnfmid}/vnfs/{vnfInstanceId}/Notify'
 310 notify_param_map = {
 311     "NFVOID": "",
 312     "VNFMID": "VNFMID",
 313     "VIMID": "vimid",
 314     "VNFInstanceID": "vnfInstanceId",
 315     "TimeStamp": "",
 316     "EventType": "operation",
 317     "VMList": "",
 318     "VMFlavor": "",
 319     "VMNumber": "",
 320     "VMIDlist": "",
 321     "VMUUID": ""
 322 }
 323
 324
 325 @api_view(http_method_names=['POST'])
 326 def notify(request, *args, **kwargs):
 327     try:
 328         logger.info("[%s]req_data = %s", fun_name(), request.data)
 329         data = mapping_conv(notify_param_map, request.data)
 330         logger.info("[%s]data = %s", fun_name(), data)
 331
 332         data["status"] = "result"
 333         data["jobId"] = "notMust"
 334         data["affectedVnfc"] = []
 335         data["affectedVl"] = []
 336         data["affectedVirtualStorage"] = []
 337         data["affectedCp"] = []
 338
 339         extension = ignorcase_get(request.data, "extension")
 340         openo_notification = ignorcase_get(extension, "openo_notification")
 341         if openo_notification:
 342             affectedvnfcs = ignorcase_get(openo_notification, "affectedVnfc")
 343             affectedvls = ignorcase_get(openo_notification, "affectedvirtuallink")
 344             affectedcps = ignorcase_get(openo_notification, "affectedCp")
 345             vnfdmodule = ignorcase_get(openo_notification, "vnfdmodule")
 346         else:
 347             affectedvnfcs = ignorcase_get(ignorcase_get(request.data, "extension"), "affectedvnfc")
 348             affectedvls = ignorcase_get(ignorcase_get(request.data, "extension"), "affectedvl")
 349             affectedcps = ignorcase_get(ignorcase_get(request.data, "extension"), "affectedcp")
 350             vnfdmodule = ignorcase_get(ignorcase_get(request.data, "extension"), "vnfdmodule")
 351
 352         data["vnfdmodule"] = vnfdmodule
 353
 354         for affectedvnfc in affectedvnfcs:
 355             data["affectedVnfc"].append({
 356                 "vnfcInstanceId": ignorcase_get(affectedvnfc, "vnfcInstanceId"),
 357                 "vduId": ignorcase_get(affectedvnfc, "vduId"),
 358                 "changeType": ignorcase_get(affectedvnfc, "changeType"),
 359                 "vimid": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "vimId"),
 360                 "vmId": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "resourceId"),
 361                 "vmName": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "resourceName")
 362             })
 363
 364         for affectedvl in affectedvls:
 365             data["affectedVl"].append({
 366                 "vlInstanceId": ignorcase_get(affectedvl, "virtuallinkinstanceid"),
 367                 "vimid": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "vimid"),
 368                 "vldid": ignorcase_get(affectedvl, "virtuallinkdescid"),
 369                 "vllid": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourceid"),
 370                 "vlName": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourcename")
 371             })
 372
 373         for affectedcp in affectedcps:
 374             data["affectedCp"].append(affectedcp)
 375
 376         ret = req_by_msb(notify_url.format(vnfmid=ignorcase_get(data, 'VNFMID'),
 377                                            vnfInstanceId=ignorcase_get(data, 'vnfinstanceid')),
 378                          "POST", content=json.JSONEncoder().encode(data))
 379
 380         logger.info("[%s]data = %s", fun_name(), ret)
 381         if ret[0] != 0:
 382             return Response(data={'error': ret[1]}, status=ret[2])
 383     except Exception as e:
 384         logger.error("Error occurred in LCM notification.")
 385         logger.error(traceback.format_exc())
 386         raise e
 387     return Response(data=None, status=ret[2])
 388
 389
 390 nf_scaling_url = '/v1/vnfs/{vnfInstanceID}/scale'
 391
 392
 393 @api_view(http_method_names=['POST'])
 394 def scale(request, *args, **kwargs):
 395     logger.info("====scale_vnf===")
 396     try:
 397         logger.info("request.data = %s", request.data)
 398         logger.info("requested_url = %s", request.get_full_path())
 399         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 400         nf_instance_id = ignorcase_get(kwargs, "vnfInstanceId")
 401         ret = get_vnfminfo_from_nslcm(vnfm_id)
 402         if ret[0] != 0:
 403             return Response(data={'error': ret[1]}, status=ret[2])
 404         vnfm_info = json.JSONDecoder().decode(ret[1])
 405         scale_type = ignorcase_get(request.data, "type")
 406         aspect_id = ignorcase_get(request.data, "aspectId")
 407         number_of_steps = ignorcase_get(request.data, "numberOfSteps")
 408         # extension = ignorcase_get(request.data, "additionalParam")
 409         # vnfd_model = ignorcase_get(extension, "vnfdModel")
 410         data = {
 411             'vnfmid': vnfm_id,
 412             'nfvoid': 1,
 413             'scaletype': '0' if scale_type == 'SCALE_OUT' else '1',
 414             'vmlist': [{'VMNumber': number_of_steps, 'VMFlavor': aspect_id}],
 415             'extension': ''
 416         }
 417         '''
 418         for vdu_id in get_vdus(vnfd_model, aspect_id):
 419             data['vmlist'].append({
 420                 "VMFlavor": vdu_id,
 421                 "VMNumber": number_of_steps
 422             })
 423         '''
 424         logger.info("data = %s", data)
 425         ret = restcall.call_req(
 426             base_url=ignorcase_get(vnfm_info, "url"),
 427             user=ignorcase_get(vnfm_info, "userName"),
 428             passwd=ignorcase_get(vnfm_info, "password"),
 429             auth_type=restcall.rest_no_auth,
 430             resource=nf_scaling_url.format(vnfInstanceID=nf_instance_id),
 431             method='put',  # POST
 432             content=json.JSONEncoder().encode(data))
 433         logger.info("ret=%s", ret)
 434         if ret[0] != 0:
 435             return Response(data={'error': 'scale error'}, status=ret[2])
 436         resp_data = json.JSONDecoder().decode(ret[1])
 437         logger.info("resp_data=%s", resp_data)
 438     except Exception as e:
 439         logger.error("Error occurred when scaling VNF,error:%s", e.message)
 440         logger.error(traceback.format_exc())
 441         return Response(data={'error': 'scale expection'}, status='500')
 442     return Response(data=resp_data, status=ret[2])
 443
 444
 445 nf_healing_url = '/api/v1/nf_m_i/nfs/{vnfInstanceID}/vms/operation'
 446
 447
 448 @api_view(http_method_names=['POST'])
 449 def heal(request, *args, **kwargs):
 450     logger.info("====heal_vnf===")
 451     try:
 452         logger.info("request.data = %s", request.data)
 453         logger.info("requested_url = %s", request.get_full_path())
 454         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 455         nf_instance_id = ignorcase_get(kwargs, "vnfInstanceId")
 456         ret = get_vnfminfo_from_nslcm(vnfm_id)
 457         if ret[0] != 0:
 458             return Response(data={'error': ret[1]}, status=ret[2])
 459         vnfm_info = json.JSONDecoder().decode(ret[1])
 460         data = {}
 461         data['action'] = ignorcase_get(request.data, 'action')
 462         affectedvm = ignorcase_get(request.data, 'affectedvm')
 463         data['affectedvm'] = []
 464         if isinstance(affectedvm, list):
 465             data['affectedvm'] = affectedvm
 466         else:
 467             data['affectedvm'].append(affectedvm)
 468         data['lifecycleoperation'] = 'operate'
 469         data['isgrace'] = 'force'
 470
 471         logger.info("data = %s", data)
 472         ret = restcall.call_req(
 473             base_url=ignorcase_get(vnfm_info, "url"),
 474             user=ignorcase_get(vnfm_info, "userName"),
 475             passwd=ignorcase_get(vnfm_info, "password"),
 476             auth_type=restcall.rest_no_auth,
 477             resource=nf_healing_url.format(vnfInstanceID=nf_instance_id),
 478             method='post',
 479             content=json.JSONEncoder().encode(data))
 480         logger.info("ret=%s", ret)
 481         if ret[0] != 0:
 482             return Response(data={'error': 'heal error'}, status=ret[2])
 483         resp_data = json.JSONDecoder().decode(ret[1])
 484         logger.info("resp_data=%s", resp_data)
 485     except Exception as e:
 486         logger.error("Error occurred when healing VNF,error:%s", e.message)
 487         logger.error(traceback.format_exc())
 488         return Response(data={'error': 'heal expection'}, status='500')
 489     return Response(data=resp_data, status=ret[2])
 490
 491
 492 def get_vdus(nf_model, aspect_id):
 493     associated_group = ''
 494     members = []
 495     vnf_flavours = nf_model['vnf_flavours']
 496     for vnf_flaour in vnf_flavours:
 497         scaling_aspects = vnf_flaour['scaling_aspects']
 498         for aspect in scaling_aspects:
 499             if aspect_id == aspect['id']:
 500                 associated_group = aspect['associated_group']
 501                 break
 502     if not associated_group:
 503         logger.error('Cannot find the corresponding element group')
 504         raise Exception('Cannot find the corresponding element group')
 505     for element_group in nf_model['element_groups']:
 506         if element_group['group_id'] == associated_group:
 507             members = element_group['members']
 508     if not members:
 509         logger.error('Cannot find the corresponding members')
 510         raise Exception('Cannot find the corresponding members')
 511     return members
 512
 513
 514 @api_view(http_method_names=['GET'])
 515 def samples(request, *args, **kwargs):
 516     return Response(data={"status": "ok"})