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