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         logger.info("req_data = %s", request.data)
 260         grant_vnf_param_map = {
 261             "VNFMID": "",
 262             "NFVOID": "",
 263             "VIMID": "",
 264             "ExVIMIDList": "",
 265             "ExVIMID": "",
 266             "Tenant": "",
 267             "VNFInstanceID": "vnfInstanceId",
 268             "OperationRight": "",
 269             "VMList": "",
 270             "VMFlavor": "",
 271             "VMNumber": ""
 272         }
 273         data = mapping_conv(grant_vnf_param_map, request.data)
 274         data["vnfDescriptorId"] = ""
 275         if ignorcase_get(request.data, "operationright") == 0:
 276             data["lifecycleOperation"] = "Instantiate"
 277             data["addresource"] = []
 278             for vm in ignorcase_get(request.data, "vmlist"):
 279                 for i in range(int(ignorcase_get(vm, "vmnumber"))):
 280                     data["addresource"].append(
 281                         {
 282                             "type": "vdu",
 283                             "resourceDefinitionId": i,
 284                             "vdu": ignorcase_get(vm, "vmflavor"),
 285                             "vimid": ignorcase_get(vm, "vimid"),
 286                             "tenant": ignorcase_get(vm, "tenant")})
 287
 288         data["additionalparam"] = {}
 289         data["additionalparam"]["vnfmid"] = ignorcase_get(request.data, "vnfmid")
 290         data["additionalparam"]["vimid"] = ignorcase_get(request.data, "vimid")
 291         data["additionalparam"]["tenant"] = ignorcase_get(request.data, "tenant")
 292
 293         ret = req_by_msb('api/nslcm/v1/ns/grantvnf', "POST", content=json.JSONEncoder().encode(data))
 294         logger.info("ret = %s", ret)
 295         if ret[0] != 0:
 296             return Response(data={'error': ret[1]}, status=ret[2])
 297         resp = json.JSONDecoder().decode(ret[1])
 298         resp_data = {
 299             'vimid': ignorcase_get(resp['vim'], 'vimid'),
 300             'tenant': ignorcase_get(ignorcase_get(resp['vim'], 'accessinfo'), 'tenant')
 301         }
 302         logger.info("[%s]resp_data=%s", fun_name(), resp_data)
 303     except Exception as e:
 304         logger.error("Error occurred in Grant VNF.")
 305         raise e
 306     return Response(data=resp_data, status=ret[2])
 307
 308
 309 @api_view(http_method_names=['POST'])
 310 def notify(request, *args, **kwargs):
 311     try:
 312         logger.info("[%s]req_data = %s", fun_name(), request.data)
 313         notify_param_map = {
 314             "NFVOID": "",
 315             "VNFMID": "VNFMID",
 316             "VIMID": "vimid",
 317             "VNFInstanceID": "vnfInstanceId",
 318             "TimeStamp": "",
 319             "EventType": "operation",
 320             "VMList": "",
 321             "VMFlavor": "",
 322             "VMNumber": "",
 323             "VMIDlist": "",
 324             "VMUUID": ""
 325         }
 326         data = mapping_conv(notify_param_map, request.data)
 327         logger.info("[%s]data = %s", fun_name(), data)
 328
 329         data["status"] = "result"
 330         data["jobId"] = "notMust"
 331         data["affectedVnfc"] = []
 332         data["affectedVl"] = []
 333         data["affectedVirtualStorage"] = []
 334         data["affectedCp"] = []
 335
 336         extension = ignorcase_get(request.data, "extension")
 337         openo_notification = ignorcase_get(extension, "openo_notification")
 338         if openo_notification:
 339             affectedvnfcs = ignorcase_get(openo_notification, "affectedVnfc")
 340             affectedvls = ignorcase_get(openo_notification, "affectedvirtuallink")
 341             affectedcps = ignorcase_get(openo_notification, "affectedCp")
 342             vnfdmodule = ignorcase_get(openo_notification, "vnfdmodule")
 343         else:
 344             affectedvnfcs = ignorcase_get(ignorcase_get(request.data, "extension"), "affectedvnfc")
 345             affectedvls = ignorcase_get(ignorcase_get(request.data, "extension"), "affectedvl")
 346             affectedcps = ignorcase_get(ignorcase_get(request.data, "extension"), "affectedcp")
 347             vnfdmodule = ignorcase_get(ignorcase_get(request.data, "extension"), "vnfdmodule")
 348
 349         data["vnfdmodule"] = vnfdmodule
 350
 351         for affectedvnfc in affectedvnfcs:
 352             data["affectedVnfc"].append({
 353                 "vnfcInstanceId": ignorcase_get(affectedvnfc, "vnfcInstanceId"),
 354                 "vduId": ignorcase_get(affectedvnfc, "vduId"),
 355                 "changeType": ignorcase_get(affectedvnfc, "changeType"),
 356                 "vimid": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "vimId"),
 357                 "vmId": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "resourceId"),
 358                 "vmName": ignorcase_get(ignorcase_get(affectedvnfc, "computeResource"), "resourceName")
 359             })
 360
 361         for affectedvl in affectedvls:
 362             data["affectedVl"].append({
 363                 "vlInstanceId": ignorcase_get(affectedvl, "virtuallinkinstanceid"),
 364                 "vimid": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "vimid"),
 365                 "vldid": ignorcase_get(affectedvl, "virtuallinkdescid"),
 366                 "vllid": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourceid"),
 367                 "vlName": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourcename")
 368             })
 369
 370         for affectedcp in affectedcps:
 371             data["affectedCp"].append(affectedcp)
 372
 373         notify_url = 'api/nslcm/v1/ns/{vnfmid}/vnfs/{vnfInstanceId}/Notify'
 374         ret = req_by_msb(notify_url.format(vnfmid=ignorcase_get(data, 'VNFMID'),
 375                                            vnfInstanceId=ignorcase_get(data, 'vnfinstanceid')),
 376                          "POST", content=json.JSONEncoder().encode(data))
 377
 378         logger.info("[%s]data = %s", fun_name(), ret)
 379         if ret[0] != 0:
 380             return Response(data={'error': ret[1]}, status=ret[2])
 381     except Exception as e:
 382         logger.error("Error occurred in LCM notification.")
 383         logger.error(traceback.format_exc())
 384         raise e
 385     return Response(data=None, status=ret[2])
 386
 387
 388 @api_view(http_method_names=['POST'])
 389 def scale(request, *args, **kwargs):
 390     logger.info("====scale_vnf===")
 391     try:
 392         logger.info("request.data = %s", request.data)
 393         logger.info("requested_url = %s", request.get_full_path())
 394         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 395         nf_instance_id = ignorcase_get(kwargs, "vnfInstanceId")
 396         ret = get_vnfminfo_from_nslcm(vnfm_id)
 397         if ret[0] != 0:
 398             return Response(data={'error': ret[1]}, status=ret[2])
 399         vnfm_info = json.JSONDecoder().decode(ret[1])
 400         scale_type = ignorcase_get(request.data, "type")
 401         aspect_id = ignorcase_get(request.data, "aspectId")
 402         number_of_steps = ignorcase_get(request.data, "numberOfSteps")
 403         data = {
 404             'vnfmid': vnfm_id,
 405             'nfvoid': 1,
 406             'scaletype': '0' if scale_type == 'SCALE_OUT' else '1',
 407             'vmlist': [{'VMNumber': number_of_steps, 'VMFlavor': aspect_id}],
 408             'extension': ''
 409         }
 410
 411         logger.info("data = %s", data)
 412         ret = restcall.call_req(
 413             base_url=ignorcase_get(vnfm_info, "url"),
 414             user=ignorcase_get(vnfm_info, "userName"),
 415             passwd=ignorcase_get(vnfm_info, "password"),
 416             auth_type=restcall.rest_no_auth,
 417             resource='/v1/vnfs/{vnfInstanceID}/scale'.format(vnfInstanceID=nf_instance_id),
 418             method='put',  # POST
 419             content=json.JSONEncoder().encode(data))
 420         logger.info("ret=%s", ret)
 421         if ret[0] != 0:
 422             return Response(data={'error': 'scale error'}, status=ret[2])
 423         resp_data = json.JSONDecoder().decode(ret[1])
 424         logger.info("resp_data=%s", resp_data)
 425     except Exception as e:
 426         logger.error("Error occurred when scaling VNF,error:%s", e.message)
 427         logger.error(traceback.format_exc())
 428         return Response(data={'error': 'scale expection'}, status='500')
 429     return Response(data=resp_data, status=ret[2])
 430
 431
 432 @api_view(http_method_names=['POST'])
 433 def heal(request, *args, **kwargs):
 434     logger.info("====heal_vnf===")
 435     try:
 436         logger.info("request.data = %s", request.data)
 437         logger.info("requested_url = %s", request.get_full_path())
 438         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 439         nf_instance_id = ignorcase_get(kwargs, "vnfInstanceId")
 440         ret = get_vnfminfo_from_nslcm(vnfm_id)
 441         if ret[0] != 0:
 442             return Response(data={'error': ret[1]}, status=ret[2])
 443         vnfm_info = json.JSONDecoder().decode(ret[1])
 444         data = {}
 445         data['action'] = ignorcase_get(request.data, 'action')
 446         affectedvm = ignorcase_get(request.data, 'affectedvm')
 447         data['affectedvm'] = []
 448         if isinstance(affectedvm, list):
 449             data['affectedvm'] = affectedvm
 450         else:
 451             data['affectedvm'].append(affectedvm)
 452         data['lifecycleoperation'] = 'operate'
 453         data['isgrace'] = 'force'
 454
 455         logger.info("data = %s", data)
 456         ret = restcall.call_req(
 457             base_url=ignorcase_get(vnfm_info, "url"),
 458             user=ignorcase_get(vnfm_info, "userName"),
 459             passwd=ignorcase_get(vnfm_info, "password"),
 460             auth_type=restcall.rest_no_auth,
 461             resource='/api/v1/nf_m_i/nfs/{vnfInstanceID}/vms/operation'.format(vnfInstanceID=nf_instance_id),
 462             method='post',
 463             content=json.JSONEncoder().encode(data))
 464         logger.info("ret=%s", ret)
 465         if ret[0] != 0:
 466             return Response(data={'error': 'heal error'}, status=ret[2])
 467         resp_data = json.JSONDecoder().decode(ret[1])
 468         logger.info("resp_data=%s", resp_data)
 469     except Exception as e:
 470         logger.error("Error occurred when healing VNF,error:%s", e.message)
 471         logger.error(traceback.format_exc())
 472         return Response(data={'error': 'heal expection'}, status='500')
 473     return Response(data=resp_data, status=ret[2])
 474
 475
 476 def get_vdus(nf_model, aspect_id):
 477     associated_group = ''
 478     members = []
 479     vnf_flavours = nf_model['vnf_flavours']
 480     for vnf_flaour in vnf_flavours:
 481         scaling_aspects = vnf_flaour['scaling_aspects']
 482         for aspect in scaling_aspects:
 483             if aspect_id == aspect['id']:
 484                 associated_group = aspect['associated_group']
 485                 break
 486     if not associated_group:
 487         logger.error('Cannot find the corresponding element group')
 488         raise Exception('Cannot find the corresponding element group')
 489     for element_group in nf_model['element_groups']:
 490         if element_group['group_id'] == associated_group:
 491             members = element_group['members']
 492     if not members:
 493         logger.error('Cannot find the corresponding members')
 494         raise Exception('Cannot find the corresponding members')
 495     return members
 496
 497
 498 @api_view(http_method_names=['GET'])
 499 def samples(request, *args, **kwargs):
 500     return Response(data={"status": "ok"})