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
  20 from rest_framework.decorators import api_view
  21 from rest_framework.response import Response
  22
  23 from driver.pub.utils import restcall
  24 from driver.pub.utils.restcall import req_by_msb
  25
  26 logger = logging.getLogger(__name__)
  27
  28
  29 def fun_name():
  30     return "=================%s==================" % inspect.stack()[1][3]
  31
  32
  33 def ignorcase_get(args, key):
  34     if not key:
  35         return ""
  36     if not args:
  37         return ""
  38     if key in args:
  39         return args[key]
  40     for old_key in args:
  41         if old_key.upper() == key.upper():
  42             return args[old_key]
  43     return ""
  44
  45
  46 def mapping_conv(keyword_map, rest_return):
  47     resp_data = {}
  48     for param in keyword_map:
  49         if keyword_map[param]:
  50             resp_data[keyword_map[param]] = ignorcase_get(rest_return, param)
  51     return resp_data
  52
  53
  54 query_vnfd_url = "api/nslcm/v1/vnfpackage/%s"
  55 query_vnfm_url = "api/extsys/v1/vnfms/%s"
  56 query_package_url = "api/nslcm/v1/vnfpackage/%s"
  57
  58
  59 # Query VNFM by VNFMID
  60 def vnfm_get(vnfmid):
  61     ret = req_by_msb("api/extsys/v1/vnfms/%s" % vnfmid, "GET")
  62     return ret
  63
  64
  65 def vnfd_get(vnfpackageid):
  66     ret = req_by_msb("api/nslcm/v1/vnfpackage/%s" % vnfpackageid, "GET")
  67     return ret
  68
  69
  70 def vnfpackage_get(csarid):
  71     ret = req_by_msb("api/nslcm/v1/vnfpackage/%s" % csarid, "GET")
  72     return ret
  73
  74
  75 # ==================================================
  76 create_vnf_url = "v1/vnfs"
  77 create_vnf_param_mapping = {
  78     "packageUrl": "",
  79     "instantiateUrl": "",
  80     "instantiationLevel": "",
  81     "vnfInstanceName": "",
  82     "vnfPackageId": "",
  83     "vnfDescriptorId": "",
  84     "flavorId": "",
  85     "vnfInstanceDescription": "",
  86     "extVirtualLink": "",
  87     "additionalParam": ""}
  88 create_vnf_resp_mapping = {
  89     "VNFInstanceID": "vnfInstanceId",
  90     "JobId": "jobid",}
  91
  92
  93 @api_view(http_method_names=['POST'])
  94 def instantiate_vnf(request, *args, **kwargs):
  95     try:
  96         logger.debug("[%s] request.data=%s", fun_name(), request.data)
  97         vnfm_id = ignorcase_get(kwargs, "vnfmid")
  98         ret = vnfm_get(vnfm_id)
  99         if ret[0] != 0:
 100             return Response(data={'error': ret[1]}, status=ret[2])
 101         vnfm_info = json.JSONDecoder().decode(ret[1])
 102         logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 103         vnf_package_id = ignorcase_get(request.data, "vnfPackageId")
 104         ret = vnfd_get(vnf_package_id)
 105         if ret[0] != 0:
 106             return Response(data={'error': ret[1]}, status=ret[2])
 107         vnfd_info = json.JSONDecoder().decode(ret[1])
 108         logger.debug("[%s] vnfd_info=%s", fun_name(), vnfd_info)
 109         csar_id = ignorcase_get(vnfd_info, "csarId")
 110         ret = vnfpackage_get(csar_id)
 111         if ret[0] != 0:
 112             return Response(data={'error': ret[1]}, status=ret[2])
 113         vnf_package_info = json.JSONDecoder().decode(ret[1])
 114         packageInfo = ignorcase_get(vnf_package_info, "packageInfo")
 115         logger.debug("[%s] packageInfo=%s", fun_name(), packageInfo)
 116         data = {}
 117         data["NFVOID"] = 1
 118         data["VNFMID"] = vnfm_id
 119         # data["VNFD"] = ignorcase_get(packageInfo, "downloadUri")
 120         # data["VNFURL"] = ignorcase_get(packageInfo, "downloadUri")
 121         vnfdId = ignorcase_get(packageInfo, "vnfdId")
 122         from urlparse import urlparse
 123         vnfm_ip = urlparse(ignorcase_get(vnfm_info, "url")).netloc.split(':')[0]
 124         if "vCSCF_NF_ZTE" == vnfdId:
 125             data["VNFD"] = "ftp://VMVERSION:vmversion@" + "192.168.128.159" + ":21/CSCF"
 126             data["VNFURL"] = "ftp://VMVERSION:vmversion@" + "192.168.128.159" + ":21/CSCF"
 127         elif "vPCRF_NF_ZTE" == vnfdId:
 128             data["VNFD"] = "ftp://VMVERSION:vmversion@" + "192.168.128.159" + ":21/PCRF"
 129             data["VNFURL"] = "ftp://VMVERSION:vmversion@" + "192.168.128.159" + ":21/PCRF"
 130         elif "vTAS_NF_ZTE" == vnfdId:
 131             data["VNFD"] = "ftp://VMVERSION:vmversion@" + "192.168.128.159" + ":21/SSS"
 132             data["VNFURL"] = "ftp://VMVERSION:vmversion@" + "192.168.128.159" + ":21/SSS"
 133         elif "vSPGW_NF_ZTE" == vnfdId:
 134             data["VNFD"] = "ftp://VMVERSION:vmversion@" + "192.168.237.159" + ":21/vgw31"
 135             data["VNFURL"] = "ftp://VMVERSION:vmversion@" + "192.168.237.159" + ":21/vgw31"
 136         else:
 137             data["VNFD"] = ignorcase_get(packageInfo, "downloadUri")
 138             data["VNFURL"] = ignorcase_get(packageInfo, "downloadUri")
 139
 140         data["extension"] = {}
 141         inputs = []
 142         for name, value in ignorcase_get(ignorcase_get(request.data, "additionalParam"), "inputs").items():
 143             inputs.append({"name": name, "value": value})
 144
 145         logger.info(
 146             "ignorcase_get(request.data, \"additionalParam\") = %s" % ignorcase_get(request.data, "additionalParam"))
 147         data["extension"]["inputs"] = json.dumps(inputs)
 148         data["extension"]["extVirtualLinks"] = ignorcase_get(
 149             ignorcase_get(request.data, "additionalParam"), "extVirtualLinks")
 150         data["extension"]["vnfinstancename"] = ignorcase_get(request.data, "vnfInstanceName")
 151         data["extension"]["vnfid"] = data["VNFD"]
 152         data["extension"]["multivim"] = 0
 153         logger.debug("[%s] call_req data=%s", fun_name(), data)
 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=create_vnf_url,
 160             method='post',
 161             content=json.JSONEncoder().encode(data))
 162         logger.debug("[%s] call_req ret=%s", fun_name(), ret)
 163         if ret[0] != 0:
 164             return Response(data={'error': ret[1]}, status=ret[2])
 165         resp = json.JSONDecoder().decode(ret[1])
 166         resp_data = mapping_conv(create_vnf_resp_mapping, resp)
 167         logger.info("[%s]resp_data=%s", fun_name(), resp_data)
 168     except Exception as e:
 169         logger.error("Error occurred when instantiating VNF")
 170         raise e
 171     return Response(data=resp_data, status=ret[2])
 172
 173
 174 # ==================================================
 175 vnf_delete_url = "v1/vnfs/%s"
 176 vnf_delete_param_mapping = {
 177     "terminationType": "terminationType",
 178     "gracefulTerminationTimeout": "gracefulTerminationTimeout"}
 179 vnf_delete_resp_mapping = {
 180     "vnfInstanceId": "vnfInstanceId",
 181     "JobId": "jobid"}
 182
 183
 184 @api_view(http_method_names=['POST'])
 185 def terminate_vnf(request, *args, **kwargs):
 186     try:
 187         logger.debug("[%s] request.data=%s", fun_name(), request.data)
 188         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 189         ret = vnfm_get(vnfm_id)
 190         if ret[0] != 0:
 191             return Response(data={'error': ret[1]}, status=ret[2])
 192         vnfm_info = json.JSONDecoder().decode(ret[1])
 193         logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 194         data = {}
 195         logger.debug("[%s]req_data=%s", fun_name(), data)
 196         ret = restcall.call_req(
 197             base_url=ignorcase_get(vnfm_info, "url"),
 198             user=ignorcase_get(vnfm_info, "userName"),
 199             passwd=ignorcase_get(vnfm_info, "password"),
 200             auth_type=restcall.rest_no_auth,
 201             resource=vnf_delete_url % (ignorcase_get(kwargs, "vnfInstanceID")),
 202             method='delete',
 203             content=json.JSONEncoder().encode(data))
 204         if ret[0] != 0:
 205             return Response(data={'error': ret[1]}, status=ret[2])
 206         resp = json.JSONDecoder().decode(ret[1])
 207         resp_data = mapping_conv(vnf_delete_resp_mapping, resp)
 208         logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 209     except Exception as e:
 210         logger.error("Error occurred when terminating VNF")
 211         raise e
 212     return Response(data=resp_data, status=ret[2])
 213
 214
 215 # ==================================================
 216
 217
 218 vnf_detail_url = "v1/vnfs/%s"
 219 vnf_detail_resp_mapping = {
 220     "VNFInstanseStatus": "status",}
 221
 222
 223 @api_view(http_method_names=['GET'])
 224 def query_vnf(request, *args, **kwargs):
 225     try:
 226         logger.debug("[%s] request.data=%s", fun_name(), request.data)
 227         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 228         ret = vnfm_get(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         data = {}
 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=vnf_detail_url % (ignorcase_get(kwargs, "vnfInstanceID")),
 240             method='get',
 241             content=json.JSONEncoder().encode(data))
 242         if ret[0] != 0:
 243             return Response(data={'error': ret[1]}, status=ret[2])
 244         resp = json.JSONDecoder().decode(ret[1])
 245         vnf_status = ignorcase_get(resp, "vnfinstancestatus")
 246         resp_data = {"vnfInfo": {"vnfStatus": vnf_status}}
 247         logger.debug("[%s]resp_data=%s", fun_name(), resp_data)
 248     except Exception as e:
 249         logger.error("Error occurred when querying VNF information.")
 250         raise e
 251     return Response(data=resp_data, status=ret[2])
 252
 253
 254 # Get Operation Status
 255 operation_status_url = '/v1/jobs/{jobId}?NFVOID={nfvoId}&VNFMID={vnfmId}&ResponseID={responseId}'
 256 operation_status_resp_map = {
 257     "JobId": "jobId",
 258     "Status": "status",
 259     "Progress": "progress",
 260     "StatusDescription": "currentStep",
 261     "ErrorCode": "errorCode",
 262     "ResponseId": "responseId",
 263     "ResponseHistoryList": "responseHistoryList",
 264     "ResponseDescriptor": "responseDescriptor",}
 265
 266
 267 @api_view(http_method_names=['GET'])
 268 def operation_status(request, *args, **kwargs):
 269     data = {}
 270     try:
 271         logger.debug("[%s] request.data=%s", fun_name(), request.data)
 272         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 273         ret = vnfm_get(vnfm_id)
 274         if ret[0] != 0:
 275             return Response(data={'error': ret[1]}, status=ret[2])
 276         vnfm_info = json.JSONDecoder().decode(ret[1])
 277         logger.debug("[%s] vnfm_info=%s", fun_name(), vnfm_info)
 278         ret = restcall.call_req(
 279             base_url=ignorcase_get(vnfm_info, 'url'),
 280             user=ignorcase_get(vnfm_info, 'userName'),
 281             passwd=ignorcase_get(vnfm_info, 'password'),
 282             auth_type=restcall.rest_no_auth,
 283             resource=operation_status_url.format(jobId=ignorcase_get(kwargs, 'jobid'), nfvoId=1,
 284                                                  vnfmId=ignorcase_get(kwargs, 'vnfmid'),
 285                                                  responseId=ignorcase_get(request.GET, 'responseId')),
 286             method='get',
 287             content=json.JSONEncoder().encode(data))
 288
 289         if ret[0] != 0:
 290             return Response(data={'error': ret[1]}, status=ret[2])
 291         resp_data = json.JSONDecoder().decode(ret[1])
 292         logger.info("[%s]resp_data=%s", fun_name(), resp_data)
 293     except Exception as e:
 294         logger.error("Error occurred when getting operation status information.")
 295         raise e
 296     return Response(data=resp_data, status=ret[2])
 297
 298
 299 # Grant VNF Lifecycle Operation
 300 grant_vnf_url = 'api/nslcm/v1/ns/grantvnf'
 301 grant_vnf_param_map = {
 302     "VNFMID": "",
 303     "NFVOID": "",
 304     "VIMID": "",
 305     "ExVIMIDList": "",
 306     "ExVIMID": "",
 307     "Tenant": "",
 308     "VNFInstanceID": "vnfInstanceId",
 309     "OperationRight": "",
 310     "VMList": "",
 311     "VMFlavor": "",
 312     "VMNumber": ""}
 313
 314
 315 @api_view(http_method_names=['PUT'])
 316 def grantvnf(request, *args, **kwargs):
 317     logger.info("=====grantvnf=====")
 318     try:
 319         resp_data = {}
 320         logger.info("req_data = %s", request.data)
 321         data = mapping_conv(grant_vnf_param_map, request.data)
 322         logger.info("grant_vnf_url = %s", grant_vnf_url)
 323         data["vnfDescriptorId"] = ""
 324         if ignorcase_get(request.data, "operationright") == 0:
 325             data["lifecycleOperation"] = "Instantiate"
 326             data["addresource"] = []
 327             for vm in ignorcase_get(request.data, "vmlist"):
 328                 for i in range(int(ignorcase_get(vm, "vmnumber"))):
 329                     data["addresource"].append(
 330                         {"type": "vdu",
 331                          "resourceDefinitionId": i,
 332                          "vdu": ignorcase_get(vm, "vmflavor"),
 333                          "vimid": ignorcase_get(vm, "vimid"),
 334                          "tenant": ignorcase_get(vm, "tenant")
 335                          })
 336
 337         data["additionalparam"] = {}
 338         data["additionalparam"]["vnfmid"] = ignorcase_get(request.data, "vnfmid")
 339         data["additionalparam"]["vimid"] = ignorcase_get(request.data, "vimid")
 340         data["additionalparam"]["tenant"] = ignorcase_get(request.data, "tenant")
 341
 342         logger.info("data = %s", data)
 343         ret = req_by_msb(grant_vnf_url, "POST", content=json.JSONEncoder().encode(data))
 344         logger.info("ret = %s", ret)
 345         if ret[0] != 0:
 346             return Response(data={'error': ret[1]}, status=ret[2])
 347         resp = json.JSONDecoder().decode(ret[1])
 348
 349         resp_data['vimid'] = ignorcase_get(resp['vim'], 'vimid')
 350         resp_data['tenant'] = ignorcase_get(ignorcase_get(resp['vim'], 'accessinfo'), 'tenant')
 351
 352         logger.info("[%s]resp_data=%s", fun_name(), resp_data)
 353     except Exception as e:
 354         logger.error("Error occurred in Grant VNF.")
 355         raise e
 356     return Response(data=resp_data, status=ret[2])
 357
 358
 359 # Notify LCM Events
 360 notify_url = 'api/nslcm/v1/ns/{vnfmid}/vnfs/{vnfInstanceId}/Notify'
 361 notify_param_map = {
 362     "NFVOID": "",
 363     "VNFMID": "VNFMID",
 364     "VIMID": "vimid",
 365     "VNFInstanceID": "vnfInstanceId",
 366     "TimeStamp": "",
 367     "EventType": "operation",
 368     "VMList": "",
 369     "VMFlavor": "",
 370     "VMNumber": "",
 371     "VMIDlist": "",
 372     "VMUUID": "",}
 373
 374
 375 @api_view(http_method_names=['POST'])
 376 def notify(request, *args, **kwargs):
 377     try:
 378         logger.info("[%s]req_data = %s", fun_name(), request.data)
 379         data = mapping_conv(notify_param_map, request.data)
 380         logger.info("[%s]data = %s", fun_name(), data)
 381
 382         data["status"] = "result"
 383         data["jobId"] = "notMust"
 384         data["affectedVnfc"] = []
 385         data["affectedVl"] = []
 386         data["affectedVirtualStorage"] = []
 387         data["affectedCp"] = []
 388
 389         affectedvnfcs = ignorcase_get(ignorcase_get(request.data, "extension"), "affectedvnfc")
 390         affectedvls = ignorcase_get(ignorcase_get(request.data, "extension"), "affectedvl")
 391         affectedcps = ignorcase_get(ignorcase_get(request.data, "extension"), "affectedcp")
 392         vnfdmodule = ignorcase_get(ignorcase_get(request.data, "extension"), "vnfdmodule")
 393
 394         data["vnfdmodule"] = vnfdmodule
 395
 396         for affectedvnfc in affectedvnfcs:
 397             data["affectedVnfc"].append({
 398                 "vnfcInstanceId": ignorcase_get(affectedvnfc, "vnfcinstanceid"),
 399                 "vduId": ignorcase_get(affectedvnfc, "vduId"),
 400                 "changeType": ignorcase_get(affectedvnfc, "changeType"),
 401                 "vimid": ignorcase_get(ignorcase_get(affectedvnfc, "computeresource"), "vimid"),
 402                 "vmId": ignorcase_get(ignorcase_get(affectedvnfc, "computeresource"), "resourceid"),
 403                 "vmName": ignorcase_get(ignorcase_get(affectedvnfc, "computeresource"), "resourcename")
 404             })
 405
 406         for affectedvl in affectedvls:
 407             data["affectedVl"].append({
 408                 "vlInstanceId": ignorcase_get(affectedvl, "virtuallinkinstanceid"),
 409                 "vimid": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "vimid"),
 410                 "vldid": ignorcase_get(affectedvl, "virtuallinkdescid"),
 411                 "vllid": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourceid"),
 412                 "vlName": ignorcase_get(ignorcase_get(affectedvl, "networkresource"), "resourcename")
 413             })
 414
 415         for affectedcp in affectedcps:
 416             data["affectedCp"].append(affectedcp)
 417             #     {
 418             #     "virtualLinkInstanceId": ignorcase_get(affectedcp, "virtuallinkinstanceid"),
 419             #     "ownerId": ignorcase_get(affectedcp, "ownerId"),
 420             #     "ownerType": ignorcase_get(affectedcp, "ownerType")
 421             # }
 422         ret = req_by_msb(notify_url.format(vnfmid=ignorcase_get(data, 'VNFMID'),
 423                                            vnfInstanceId=ignorcase_get(data, 'vnfinstanceid')),
 424                          "POST", content=json.JSONEncoder().encode(data))
 425
 426         logger.info("[%s]data = %s", fun_name(), ret)
 427         if ret[0] != 0:
 428             return Response(data={'error': ret[1]}, status=ret[2])
 429     except Exception as e:
 430         logger.error("Error occurred in LCM notification.")
 431         raise e
 432     return Response(data=None, status=ret[2])
 433
 434
 435 nf_scaling_url = '/v1/vnfs/{vnfInstanceID}/scale'
 436
 437
 438 @api_view(http_method_names=['POST'])
 439 def scale(request, *args, **kwargs):
 440     logger.info("====scale_vnf===")
 441     try:
 442         logger.info("request.data = %s", request.data)
 443         logger.info("requested_url = %s", request.get_full_path())
 444         vnfm_id = ignorcase_get(kwargs, "vnfmid")
 445         nf_instance_id = ignorcase_get(kwargs, "nfInstanceId")
 446         ret = vnfm_get(vnfm_id)
 447         if ret[0] != 0:
 448             return Response(data={'error': ret[1]}, status=ret[2])
 449         vnfm_info = json.JSONDecoder().decode(ret[1])
 450         scale_type = ignorcase_get(request.data, "type")
 451         aspect_id = ignorcase_get(request.data, "aspectId")
 452         number_of_steps = ignorcase_get(request.data, "numberOfSteps")
 453         extension = ignorcase_get(request.data, "additionalParam")
 454         vnfd_model = ignorcase_get(extension, "vnfdModel")
 455         data = {
 456             'vnfmid': vnfm_id,
 457             'nfvoid': 1,
 458             'scaletype': '0' if scale_type == 'SCALE_OUT' else '1',
 459             'vmlist': [{'VMNumber':number_of_steps,'VMFlavor':aspect_id}],
 460             'extension':''
 461         }
 462         '''
 463         for vdu_id in get_vdus(vnfd_model, aspect_id):
 464             data['vmlist'].append({
 465                 "VMFlavor": vdu_id,
 466                 "VMNumber": number_of_steps
 467             })
 468         '''
 469         logger.info("data = %s", data)
 470         ret = restcall.call_req(
 471             base_url=ignorcase_get(vnfm_info, "url"),
 472             user=ignorcase_get(vnfm_info, "userName"),
 473             passwd=ignorcase_get(vnfm_info, "password"),
 474             auth_type=restcall.rest_no_auth,
 475             resource=nf_scaling_url.format(vnfInstanceID=nf_instance_id),
 476             method='put',  # POST
 477             content=json.JSONEncoder().encode(data))
 478         logger.info("ret=%s", ret)
 479         if ret[0] != 0:
 480             return Response(data={'error':'scale error'}, status=ret[2])
 481         resp_data = json.JSONDecoder().decode(ret[1])
 482         jobId = resp_data["jobid"]
 483         logger.info("resp_data=%s", resp_data)
 484     except Exception as e:
 485         logger.error("Error occurred when scaling VNF")
 486         logger.error(traceback.format_exc())
 487         return Response(data={'error':'scale expection'}, status='500')
 488     return Response(data=resp_data, status=ret[2])
 489
 490
 491 #@staticmethod
 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"})