lcm/ns_vnfs/biz/create_vnfs.py

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