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