lcm/ns_vnfs/biz/create_vnfs.py

   1 # Copyright 2016-2018 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 json
  16 import logging
  17 import traceback
  18 import uuid
  19 from threading import Thread
  20
  21 from lcm.ns.enum import OWNER_TYPE
  22 from lcm.pub.config.config import REPORT_TO_AAI
  23 from lcm.pub.database.models import NfInstModel, NSInstModel, VmInstModel, VNFFGInstModel, VLInstModel, OOFDataModel
  24 from lcm.pub.exceptions import NSLCMException
  25 from lcm.pub.msapi.aai import create_vnf_aai
  26 from lcm.pub.msapi.extsys import get_vnfm_by_id
  27 from lcm.pub.msapi.resmgr import create_vnf, create_vnf_creation_info
  28 from lcm.pub.msapi.sdc_run_catalog import query_vnfpackage_by_id
  29 from lcm.pub.msapi.vnfmdriver import send_nf_init_request
  30 from lcm.pub.utils.jobutil import JOB_MODEL_STATUS, JobUtil, JOB_TYPE
  31 from lcm.pub.utils.share_lock import do_biz_with_share_lock
  32 from lcm.pub.utils.timeutil import now_time
  33 from lcm.pub.utils.values import ignore_case_get
  34 from lcm.pub.utils import restcall
  35 from lcm.ns_vnfs.const import NFVO_VNF_INST_TIMEOUT_SECOND
  36 from lcm.ns_vnfs.enum import VNF_STATUS, INST_TYPE, INST_TYPE_NAME
  37 from lcm.ns_vnfs.biz.wait_job import wait_job_finish
  38 from lcm.pub.config.config import REG_TO_MSB_REG_PARAM, OOF_BASE_URL, OOF_PASSWD, OOF_USER
  39 from lcm.pub.config.config import CUST_NAME, CUST_LAT, CUST_LONG
  40 from lcm.ns_vnfs.biz.subscribe import SubscriptionCreation
  41
  42 logger = logging.getLogger(__name__)
  43
  44
  45 def prepare_create_params():
  46     nf_inst_id = str(uuid.uuid4())
  47     NfInstModel(nfinstid=nf_inst_id, status=VNF_STATUS.INSTANTIATING, create_time=now_time(),
  48                 lastuptime=now_time()).save()
  49     job_id = JobUtil.create_job(INST_TYPE_NAME.VNF, JOB_TYPE.CREATE_VNF, nf_inst_id)
  50     JobUtil.add_job_status(job_id, 0, 'create vnf record in database.', 0)
  51     return nf_inst_id, job_id
  52
  53
  54 class CreateVnfs(Thread):
  55     def __init__(self, data, nf_inst_id, job_id):
  56         super(CreateVnfs, self).__init__()
  57         self.data = data
  58         self.nf_inst_id = nf_inst_id
  59         self.job_id = job_id
  60         self.ns_inst_id = ''
  61         self.vnf_id = ''
  62         self.vnfd_id = ''
  63         self.ns_inst_name = ''
  64         self.nsd_model = ''
  65         self.vnfd_model = ''
  66         self.vnf_inst_name = ''
  67         self.vnfm_inst_id = ''
  68         self.inputs = ''
  69         self.nf_package_info = ''
  70         self.vnfm_nf_inst_id = ''
  71         self.vnfm_job_id = ''
  72         self.vnfm_inst_name = ''
  73         self.vim_id = ''
  74
  75     def run(self):
  76         try:
  77             self.get_params()
  78             self.check_nf_name_exist()
  79             self.get_vnfd_id()
  80             if REPORT_TO_AAI:
  81                 self.create_vnf_in_aai()
  82             self.check_nf_package_valid()
  83             self.send_nf_init_request_to_vnfm()
  84             self.send_homing_request_to_OOF()
  85             self.send_get_vnfm_request_to_extsys()
  86             self.send_create_vnf_request_to_resmgr()
  87             self.wait_vnfm_job_finish()
  88             self.subscribe()
  89             self.write_vnf_creation_info()
  90             self.save_info_to_db()
  91             JobUtil.add_job_status(self.job_id, 100, 'vnf instantiation success', 0)
  92         except NSLCMException as e:
  93             self.vnf_inst_failed_handle(e.message)
  94         except Exception:
  95             logger.error(traceback.format_exc())
  96             self.vnf_inst_failed_handle('unexpected exception')
  97
  98     def get_params(self):
  99         self.ns_inst_id = self.data['ns_instance_id']
 100         vnf_index = int(float(self.data['vnf_index'])) - 1
 101         additional_vnf_info = self.data['additional_param_for_vnf'][vnf_index]
 102         self.vnf_id = ignore_case_get(additional_vnf_info, 'vnfProfileId')
 103         additional_param = ignore_case_get(additional_vnf_info, 'additionalParam')
 104         self.properties = ignore_case_get(additional_param, 'properties')
 105         self.vnfm_inst_id = ignore_case_get(additional_param, 'vnfmInstanceId')
 106         para = ignore_case_get(additional_param, 'inputs')
 107         self.inputs = json.loads(para) if isinstance(para, (str, unicode)) else para
 108         self.vim_id = ignore_case_get(additional_param, 'vimId')
 109         self.vnfd_id = ignore_case_get(additional_param, 'vnfdId')
 110
 111     def check_nf_name_exist(self):
 112         is_exist = NfInstModel.objects.filter(nf_name=self.vnf_inst_name).exists()
 113         if is_exist:
 114             logger.error('The name of NF instance already exists.')
 115             raise NSLCMException('The name of NF instance already exists.')
 116
 117     def get_vnfd_id(self):
 118         if self.vnfd_id:
 119             logger.debug("need not get vnfd_id")
 120             self.nsd_model = {'vnfs': [], 'vls': [], 'vnffgs': []}
 121             self.vnf_inst_name = self.vnfd_id + str(uuid.uuid4())
 122             self.vnf_inst_name = self.vnf_inst_name[:30]
 123             return
 124         ns_inst_info = NSInstModel.objects.get(id=self.ns_inst_id)
 125         self.ns_inst_name = ns_inst_info.name
 126         self.nsd_model = json.loads(ns_inst_info.nsd_model)
 127         for vnf_info in self.nsd_model['vnfs']:
 128             if self.vnf_id == vnf_info['vnf_id']:
 129                 self.vnfd_id = vnf_info['properties']['id']
 130                 if 'name' not in vnf_info['properties']:
 131                     # HW vnf instance name must start with alphabet
 132                     self.vnf_inst_name = 'vnf' + self.vnfd_id[:10] + str(uuid.uuid4())
 133                 else:
 134                     self.vnf_inst_name = vnf_info['properties']['name'] + str(uuid.uuid4())
 135                 self.vnf_inst_name = self.vnf_inst_name[:30]
 136                 self.vnf_inst_name = self.vnf_inst_name.replace("-", "_")
 137                 return
 138         logger.error('Can not found vnf in nsd model')
 139         raise NSLCMException('Can not found vnf in nsd model')
 140
 141     def check_nf_package_valid(self):
 142         nfpackage_info = query_vnfpackage_by_id(self.vnfd_id)
 143         self.nf_package_info = nfpackage_info["packageInfo"]
 144         self.vnfd_model = ignore_case_get(self.nf_package_info, "vnfdModel")
 145         self.vnfd_model = json.loads(self.vnfd_model)
 146
 147     def get_virtual_link_info(self, vnf_id):
 148         virtual_link_list, ext_virtual_link = [], []
 149         for vnf_info in self.nsd_model['vnfs']:
 150             if vnf_info['vnf_id'] != vnf_id:
 151                 continue
 152             for network_info in vnf_info['networks']:
 153                 vl_instance = VLInstModel.objects.get(
 154                     vldid=network_info['vl_id'],
 155                     ownertype=OWNER_TYPE.NS,
 156                     ownerid=self.ns_inst_id)
 157                 vl_instance_id = vl_instance.vlinstanceid
 158                 network_name, subnet_name = self.get_network_info_of_vl(network_info['vl_id'])
 159                 virtual_link_list.append({
 160                     'network_name': network_name,
 161                     'key_name': network_info['key_name'],
 162                     'subnetwork_name': subnet_name,
 163                     'vl_instance_id': vl_instance_id
 164                 })
 165                 vim_id = json.JSONDecoder().decode(vl_instance.vimid) if isinstance(vl_instance.vimid, (str, unicode)) \
 166                     else vl_instance.vimid
 167                 ext_virtual_link.append({
 168                     "vlInstanceId": vl_instance_id,
 169                     "resourceId": vl_instance.relatednetworkid,
 170                     "resourceSubnetId": vl_instance.relatedsubnetworkid,
 171                     "cpdId": self.get_cpd_id_of_vl(network_info['key_name']),
 172                     "vim": {
 173                         "vimid": vim_id
 174                     },
 175                     # SOL 003 align
 176                     "id": vl_instance_id,
 177                     "vimConnectionId": vl_instance.vimid,
 178                     "extCps": self.get_cpds_of_vl(network_info['key_name'])
 179                 })
 180         return virtual_link_list, ext_virtual_link
 181
 182     def get_cpds_of_vl(self, vl_key):
 183         extCps = []
 184         logger.debug("vl_keya; %s" % vl_key)
 185         for cpd in self.vnfd_model["vnf_exposed"]["external_cps"]:
 186             logger.debug("exposed_cpd; %s" % cpd)
 187             if vl_key == cpd["key_name"]:
 188                 cp = {"cpdId": cpd["cpd_id"], "cpConfig": []}
 189                 extCps.append(cp)
 190         return extCps
 191
 192     def get_cpd_id_of_vl(self, vl_key):
 193         for cpd in self.vnfd_model["vnf_exposed"]["external_cps"]:
 194             if vl_key == cpd["key_name"]:
 195                 return cpd["cpd_id"]
 196         return ""
 197
 198     def get_network_info_of_vl(self, vl_id):
 199         for vnf_info in self.nsd_model['vls']:
 200             if vnf_info['vl_id'] == vl_id:
 201                 return vnf_info['properties']['vl_profile']['networkName'], vnf_info['properties']['vl_profile']['networkName']  # ['initiationParameters']['name']
 202         return '', ''
 203
 204     def send_nf_init_request_to_vnfm(self):
 205         virtual_link_list, ext_virtual_link = self.get_virtual_link_info(self.vnf_id)
 206         req_param = json.JSONEncoder().encode({
 207             'vnfInstanceName': self.vnf_inst_name,
 208             'vnfPackageId': ignore_case_get(self.nf_package_info, "vnfPackageId"),
 209             'vnfDescriptorId': self.vnfd_id,
 210             'flavourId': "default",
 211             'extVirtualLink': ext_virtual_link,
 212             'additionalParam': {
 213                 "properties": self.properties,
 214                 "inputs": self.inputs,
 215                 "vimId": self.vim_id,
 216                 "extVirtualLinks": virtual_link_list
 217             }
 218         })
 219         rsp = send_nf_init_request(self.vnfm_inst_id, req_param)
 220         self.vnfm_job_id = ignore_case_get(rsp, 'jobId')
 221         self.vnfm_nf_inst_id = ignore_case_get(rsp, 'vnfInstanceId')
 222
 223         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(
 224             mnfinstid=self.vnfm_nf_inst_id,
 225             nf_name=self.vnf_inst_name,
 226             vnf_id=self.vnf_id,
 227             package_id=ignore_case_get(self.nf_package_info, "vnfPackageId"),
 228             vnfm_inst_id=self.vnfm_inst_id,
 229             ns_inst_id=self.ns_inst_id,
 230             version=ignore_case_get(self.nf_package_info, "vnfdVersion"),
 231             vendor=ignore_case_get(self.nf_package_info, "vnfdProvider"),
 232             vnfd_model=self.vnfd_model,
 233             input_params=json.JSONEncoder().encode(self.inputs),
 234             lastuptime=now_time())
 235
 236     def build_homing_request(self):
 237         id = str(uuid.uuid4())
 238         callback_uri = "http://{vfcBaseUrl}/api/nslcm/v1/ns/placevnf"
 239         IP = REG_TO_MSB_REG_PARAM["nodes"][0]["ip"]
 240         PORT = REG_TO_MSB_REG_PARAM["nodes"][0]["port"]
 241         vfcBaseUrl = IP + ':' + PORT
 242         callback_uri = callback_uri.format(vfcBaseUrl=vfcBaseUrl)
 243         modelInvariantId = "no-resourceModelInvariantId"
 244         modelVersionId = "no-resourceModelVersionId"
 245         nsInfo = NSInstModel.objects.filter(id=self.ns_inst_id)
 246         placementDemand = {
 247             "resourceModuleName": self.vnf_id,
 248             "serviceResourceId": self.vnfm_nf_inst_id,
 249             "resourceModelInfo": {
 250                 "modelInvariantId": modelInvariantId,
 251                 "modelVersionId": modelVersionId
 252             }
 253         }
 254
 255         if self.vim_id:
 256             # vim_info = self.vim_id.split("_")
 257             # identifiers = list()
 258             # identifiers.append(vim_info[1])
 259             # cloudOwner = vim_info[0]
 260             identifiers = list()
 261             identifiers.append(self.vim_id['cloud_regionid'])
 262             cloudOwner = self.vim_id['cloud_owner']
 263             required_candidate = [
 264                 {
 265                     "identifierType": "vimId",
 266                     "cloudOwner": cloudOwner,
 267                     "identifiers": identifiers
 268                 }
 269             ]
 270             placementDemand["requiredCandidates"] = required_candidate
 271
 272         req_body = {
 273             "requestInfo": {
 274                 "transactionId": id,
 275                 "requestId": id,
 276                 "callbackUrl": callback_uri,
 277                 "sourceId": "vfc",
 278                 "requestType": "create",
 279                 "numSolutions": 1,
 280                 "optimizers": ["placement"],
 281                 "timeout": 600
 282             },
 283             "placementInfo": {
 284                 "requestParameters": {
 285                     "customerLatitude": CUST_LAT,
 286                     "customerLongitude": CUST_LONG,
 287                     "customerName": CUST_NAME
 288                 },
 289                 "subscriberInfo": {
 290                     "globalSubscriberId": "",
 291                     "subscriberName": "",
 292                     "subscriberCommonSiteId": "",
 293                 },
 294                 "placementDemands": []
 295             },
 296             "serviceInfo": {
 297                 "serviceInstanceId": self.ns_inst_id,
 298                 "serviceName": self.ns_inst_name,
 299                 "modelInfo": {
 300                     "modelInvariantId": nsInfo[0].nsd_invariant_id,
 301                     "modelVersionId": nsInfo[0].nsd_id
 302                 }
 303             }
 304         }
 305         req_body["placementInfo"]["placementDemands"].append(placementDemand)
 306         # Stored the init request info inside DB
 307         OOFDataModel.objects.create(
 308             request_id=id,
 309             transaction_id=id,
 310             request_status="init",
 311             request_module_name=self.vnf_id,
 312             service_resource_id=self.vnfm_nf_inst_id,
 313             vim_id="",
 314             cloud_owner="",
 315             cloud_region_id="",
 316             vdu_info="",
 317         )
 318         return req_body
 319
 320     def send_homing_request_to_OOF(self):
 321         req_body = self.build_homing_request()
 322         base_url = OOF_BASE_URL
 323         resources = "/api/oof/v1/placement"
 324         resp = restcall.call_req(base_url=base_url, user=OOF_USER, passwd=OOF_PASSWD,
 325                                  auth_type=restcall.rest_oneway_auth, resource=resources,
 326                                  method="POST", content=json.dumps(req_body), additional_headers="")
 327         resp_body = resp[-2]
 328         resp_status = resp[-1]
 329         if resp_body:
 330             logger.debug("Got OOF sync response")
 331         else:
 332             logger.warn("Missing OOF sync response")
 333         logger.debug(("OOF sync response code is %s") % resp_status)
 334         if str(resp_status) != '202' or resp[0] != 0:
 335             OOFDataModel.objects.filter(request_id=req_body["requestInfo"]["requestId"],
 336                                         transaction_id=req_body["requestInfo"]["transactionId"]).update(
 337                 request_status="failed",
 338                 vim_id="none",
 339                 cloud_owner="none",
 340                 cloud_region_id="none",
 341                 vdu_info="none"
 342             )
 343             raise Exception("Received a Bad Sync from OOF with response code %s" % resp_status)
 344         logger.info("Completed Homing request to OOF")
 345
 346     def send_get_vnfm_request_to_extsys(self):
 347         resp_body = get_vnfm_by_id(self.vnfm_inst_id)
 348         self.vnfm_inst_name = ignore_case_get(resp_body, 'name')
 349
 350     def send_create_vnf_request_to_resmgr(self):
 351         pkg_vnfd = self.vnfd_model
 352         data = {
 353             'nf_inst_id': self.nf_inst_id,
 354             'vnfm_nf_inst_id': self.vnfm_nf_inst_id,
 355             'vnf_inst_name': self.vnf_inst_name,
 356             'ns_inst_id': self.ns_inst_id,
 357             'ns_inst_name': self.ns_inst_name,
 358             'nf_inst_name': self.vnf_inst_name,
 359             'vnfm_inst_id': self.vnfm_inst_id,
 360             'vnfm_inst_name': self.vnfm_inst_name,
 361             'vnfd_name': pkg_vnfd['metadata'].get('name', 'undefined'),
 362             'vnfd_id': self.vnfd_id,
 363             'job_id': self.job_id,
 364             'nf_inst_status': VNF_STATUS.INSTANTIATING,
 365             'vnf_type': pkg_vnfd['metadata'].get('vnf_type', 'undefined'),
 366             'nf_package_id': ignore_case_get(self.nf_package_info, "vnfPackageId")
 367         }
 368         create_vnf(data)
 369
 370     def wait_vnfm_job_finish(self):
 371         ret = wait_job_finish(vnfm_id=self.vnfm_inst_id,
 372                               vnfo_job_id=self.job_id,
 373                               vnfm_job_id=self.vnfm_job_id,
 374                               progress_range=[10, 90],
 375                               timeout=NFVO_VNF_INST_TIMEOUT_SECOND)
 376
 377         if ret != JOB_MODEL_STATUS.FINISHED:
 378             logger.error('VNF instantiation failed on VNFM side. ret=[%s]', ret)
 379             raise NSLCMException('VNF instantiation failed on VNFM side.')
 380
 381     def subscribe(self):
 382         data = {
 383             'vnfInstanceId': self.vnfm_nf_inst_id,
 384             'vnfmId': self.vnfm_inst_id
 385         }
 386         SubscriptionCreation(data).do_biz()
 387
 388     def write_vnf_creation_info(self):
 389         logger.debug("write_vnf_creation_info start")
 390         vm_inst_infos = VmInstModel.objects.filter(insttype=INST_TYPE.VNF, instid=self.nf_inst_id)
 391         data = {
 392             'nf_inst_id': self.nf_inst_id,
 393             'ns_inst_id': self.ns_inst_id,
 394             'vnfm_inst_id': self.vnfm_inst_id,
 395             'vms': [{'vmId': vm_inst_info.resouceid, 'vmName': vm_inst_info.vmname, 'vmStatus': 'ACTIVE'} for
 396                     vm_inst_info in vm_inst_infos]}
 397         create_vnf_creation_info(data)
 398         logger.debug("write_vnf_creation_info end")
 399
 400     def save_info_to_db(self):
 401         logger.debug("save_info_to_db start")
 402         do_biz_with_share_lock("set-vnflist-in-vnffginst-%s" % self.ns_inst_id, self.save_vnf_inst_id_in_vnffg)
 403         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.ACTIVE, lastuptime=now_time())
 404         logger.debug("save_info_to_db end")
 405
 406     def vnf_inst_failed_handle(self, error_msg):
 407         logger.error('VNF instantiation failed, detail message: %s' % error_msg)
 408         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.FAILED,
 409                                                                     lastuptime=now_time())
 410         JobUtil.add_job_status(self.job_id, 255, 'VNF instantiation failed, detail message: %s' % error_msg, 0)
 411
 412     def save_vnf_inst_id_in_vnffg(self):
 413         vnffgs = self.nsd_model['vnffgs']
 414         for vnffg in vnffgs:
 415             if self.vnf_id not in vnffg['members']:
 416                 continue
 417             vnffg_inst_infos = VNFFGInstModel.objects.filter(vnffgdid=vnffg['vnffg_Id'], nsinstid=self.ns_inst_id)
 418             if not vnffg_inst_infos:
 419                 logger.error('Vnffg instance not exist.')
 420                 raise NSLCMException('Vnffg instance not exist.')
 421             vnf_list = vnffg_inst_infos[0].vnflist
 422             vnffg_inst_infos.update(vnf_list=vnf_list + ',' + self.nf_inst_id if vnf_list else self.nf_inst_id)
 423
 424     def create_vnf_in_aai(self):
 425         logger.debug("CreateVnfs::create_vnf_in_aai::report vnf instance[%s] to aai." % self.nf_inst_id)
 426         try:
 427             ns_insts = NSInstModel.objects.filter(id=self.ns_inst_id)
 428             self.global_customer_id = ns_insts[0].global_customer_id
 429             self.service_type = ns_insts[0].service_type
 430             data = {
 431                 "vnf-id": self.nf_inst_id,
 432                 "vnf-name": self.vnf_inst_name,
 433                 "vnf-type": "vnf-type-test111",
 434                 "service-id": self.ns_inst_id,
 435                 "in-maint": True,
 436                 "is-closed-loop-disabled": False,
 437                 "relationship-list": {
 438                     "relationship": [
 439                         {
 440                             "related-to": "service-instance",
 441                             "relationship-data": [
 442                                 {
 443                                     "relationship-key": "customer.global-customer-id",
 444                                     "relationship-value": self.global_customer_id
 445                                 },
 446                                 {
 447                                     "relationship-key": "service-subscription.service-type",
 448                                     "relationship-value": self.service_type
 449                                 },
 450                                 {
 451                                     "relationship-key": "service-instance.service-instance-id",
 452                                     "relationship-value": self.ns_inst_id
 453                                 }
 454                             ]
 455                         }
 456                     ]
 457                 }
 458             }
 459             resp_data, resp_status = create_vnf_aai(self.nf_inst_id, data)
 460             logger.debug("Success to create vnf[%s] to aai, ns instance=[%s], resp_status: [%s]."
 461                          % (self.nf_inst_id, self.ns_inst_id, resp_status))
 462         except NSLCMException as e:
 463             logger.debug("Fail to create vnf[%s] to aai, ns instance=[%s], detail message: %s"
 464                          % (self.nf_inst_id, self.ns_inst_id, e.message))
 465         except:
 466             logger.error(traceback.format_exc())