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
  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.ns_vnfs.const import VNF_STATUS, NFVO_VNF_INST_TIMEOUT_SECOND, INST_TYPE, INST_TYPE_NAME
  34 from lcm.ns_vnfs.biz.wait_job import wait_job_finish
  35
  36 logger = logging.getLogger(__name__)
  37
  38
  39 def prepare_create_params():
  40     nf_inst_id = str(uuid.uuid4())
  41     NfInstModel(nfinstid=nf_inst_id, status=VNF_STATUS.INSTANTIATING, create_time=now_time(),
  42                 lastuptime=now_time()).save()
  43     job_id = JobUtil.create_job(INST_TYPE_NAME.VNF, JOB_TYPE.CREATE_VNF, nf_inst_id)
  44     JobUtil.add_job_status(job_id, 0, 'create vnf record in database.', 0)
  45     return nf_inst_id, job_id
  46
  47
  48 class CreateVnfs(Thread):
  49     def __init__(self, data, nf_inst_id, job_id):
  50         super(CreateVnfs, self).__init__()
  51         self.data = data
  52         self.nf_inst_id = nf_inst_id
  53         self.job_id = job_id
  54         self.ns_inst_id = ''
  55         self.vnf_id = ''
  56         self.vnfd_id = ''
  57         self.ns_inst_name = ''
  58         self.nsd_model = ''
  59         self.vnfd_model = ''
  60         self.vnf_inst_name = ''
  61         self.vnfm_inst_id = ''
  62         self.inputs = ''
  63         self.nf_package_info = ''
  64         self.vnfm_nf_inst_id = ''
  65         self.vnfm_job_id = ''
  66         self.vnfm_inst_name = ''
  67         self.vim_id = ''
  68
  69     def run(self):
  70         try:
  71             self.get_params()
  72             self.check_nf_name_exist()
  73             self.get_vnfd_id()
  74             if REPORT_TO_AAI:
  75                 self.create_vnf_in_aai()
  76             self.check_nf_package_valid()
  77             self.send_nf_init_request_to_vnfm()
  78             self.send_get_vnfm_request_to_extsys()
  79             self.send_create_vnf_request_to_resmgr()
  80             self.wait_vnfm_job_finish()
  81             self.write_vnf_creation_info()
  82             self.save_info_to_db()
  83             JobUtil.add_job_status(self.job_id, 100, 'vnf instantiation success', 0)
  84         except NSLCMException as e:
  85             self.vnf_inst_failed_handle(e.message)
  86         except Exception:
  87             logger.error(traceback.format_exc())
  88             self.vnf_inst_failed_handle('unexpected exception')
  89
  90     def get_params(self):
  91         self.ns_inst_id = self.data['ns_instance_id']
  92         vnf_index = int(float(self.data['vnf_index'])) - 1
  93         additional_vnf_info = self.data['additional_param_for_vnf'][vnf_index]
  94         self.vnf_id = ignore_case_get(additional_vnf_info, 'vnfProfileId')
  95         additional_param = ignore_case_get(additional_vnf_info, 'additionalParam')
  96         self.properties = ignore_case_get(additional_param, 'properties')
  97         self.vnfm_inst_id = ignore_case_get(additional_param, 'vnfmInstanceId')
  98         para = ignore_case_get(additional_param, 'inputs')
  99         self.inputs = json.loads(para) if isinstance(para, (str, unicode)) else para
 100         self.vim_id = ignore_case_get(additional_param, 'vimId')
 101         self.vnfd_id = ignore_case_get(additional_param, 'vnfdId')
 102
 103     def check_nf_name_exist(self):
 104         is_exist = NfInstModel.objects.filter(nf_name=self.vnf_inst_name).exists()
 105         if is_exist:
 106             logger.error('The name of NF instance already exists.')
 107             raise NSLCMException('The name of NF instance already exists.')
 108
 109     def get_vnfd_id(self):
 110         if self.vnfd_id:
 111             logger.debug("need not get vnfd_id")
 112             self.nsd_model = {'ns_vnfs': [], 'ns_vls': [], 'vnffgs': []}
 113             self.vnf_inst_name = self.vnfd_id + str(uuid.uuid4())
 114             self.vnf_inst_name = self.vnf_inst_name[:30]
 115             return
 116         ns_inst_info = NSInstModel.objects.get(id=self.ns_inst_id)
 117         self.ns_inst_name = ns_inst_info.name
 118         self.nsd_model = json.loads(ns_inst_info.nsd_model)
 119         for vnf_info in self.nsd_model['ns_vnfs']:
 120             if self.vnf_id == vnf_info['vnf_id']:
 121                 self.vnfd_id = vnf_info['properties']['id']
 122                 if 'name' not in vnf_info['properties']:
 123                     # HW vnf instance name must start with alphabet
 124                     self.vnf_inst_name = 'vnf' + self.vnfd_id[:10] + str(uuid.uuid4())
 125                 else:
 126                     self.vnf_inst_name = vnf_info['properties']['name'] + str(uuid.uuid4())
 127                 self.vnf_inst_name = self.vnf_inst_name[:30]
 128                 self.vnf_inst_name = self.vnf_inst_name.replace("-", "_")
 129                 return
 130         logger.error('Can not found vnf in nsd model')
 131         raise NSLCMException('Can not found vnf in nsd model')
 132
 133     def check_nf_package_valid(self):
 134         nfpackage_info = query_vnfpackage_by_id(self.vnfd_id)
 135         self.nf_package_info = nfpackage_info["packageInfo"]
 136         self.vnfd_model = ignore_case_get(self.nf_package_info, "vnfdModel")
 137         self.vnfd_model = json.loads(self.vnfd_model)
 138
 139     def get_virtual_link_info(self, vnf_id):
 140         virtual_link_list, ext_virtual_link = [], []
 141         for vnf_info in self.nsd_model['ns_vnfs']:
 142             if vnf_info['vnf_id'] != vnf_id:
 143                 continue
 144             for network_info in vnf_info['networks']:
 145                 vl_instance = VLInstModel.objects.get(
 146                     vldid=network_info['vl_id'],
 147                     ownertype=OWNER_TYPE.NS,
 148                     ownerid=self.ns_inst_id)
 149                 vl_instance_id = vl_instance.vlinstanceid
 150                 network_name, subnet_name = self.get_network_info_of_vl(network_info['vl_id'])
 151                 virtual_link_list.append({
 152                     'network_name': network_name,
 153                     'key_name': network_info['key_name'],
 154                     'subnetwork_name': subnet_name,
 155                     'vl_instance_id': vl_instance_id
 156                 })
 157                 ext_virtual_link.append({
 158                     "vlInstanceId": vl_instance_id,
 159                     "resourceId": vl_instance.relatednetworkid,
 160                     "resourceSubnetId": vl_instance.relatedsubnetworkid,
 161                     "cpdId": self.get_cpd_id_of_vl(network_info['key_name']),
 162                     "vim": {
 163                         "vimid": vl_instance.vimid
 164                     }
 165                 })
 166         return virtual_link_list, ext_virtual_link
 167
 168     def get_cpd_id_of_vl(self, vl_key):
 169         for cpd in self.vnfd_model["vnf_exposed"]["external_cps"]:
 170             if vl_key == cpd["key_name"]:
 171                 return cpd["cpd_id"]
 172         return ""
 173
 174     def get_network_info_of_vl(self, vl_id):
 175         for vnf_info in self.nsd_model['ns_vls']:
 176             if vnf_info['vl_id'] == vl_id:
 177                 return vnf_info['properties']['vl_profile']['networkName'], vnf_info['properties']['vl_profile']['initiationParameters']['name']
 178         return '', ''
 179
 180     def send_nf_init_request_to_vnfm(self):
 181         virtual_link_list, ext_virtual_link = self.get_virtual_link_info(self.vnf_id)
 182         req_param = json.JSONEncoder().encode({
 183             'vnfInstanceName': self.vnf_inst_name,
 184             'vnfPackageId': ignore_case_get(self.nf_package_info, "vnfPackageId"),
 185             'vnfDescriptorId': self.vnfd_id,
 186             'extVirtualLink': ext_virtual_link,
 187             'additionalParam': {
 188                 "properties": self.properties,
 189                 "inputs": self.inputs,
 190                 "vimId": self.vim_id,
 191                 "extVirtualLinks": virtual_link_list
 192             }
 193         })
 194         rsp = send_nf_init_request(self.vnfm_inst_id, req_param)
 195         self.vnfm_job_id = ignore_case_get(rsp, 'jobId')
 196         self.vnfm_nf_inst_id = ignore_case_get(rsp, 'vnfInstanceId')
 197
 198         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(
 199             mnfinstid=self.vnfm_nf_inst_id,
 200             nf_name=self.vnf_inst_name,
 201             vnf_id=self.vnf_id,
 202             package_id=ignore_case_get(self.nf_package_info, "vnfPackageId"),
 203             vnfm_inst_id=self.vnfm_inst_id,
 204             ns_inst_id=self.ns_inst_id,
 205             version=ignore_case_get(self.nf_package_info, "vnfdVersion"),
 206             vendor=ignore_case_get(self.nf_package_info, "vnfdProvider"),
 207             vnfd_model=self.vnfd_model,
 208             input_params=json.JSONEncoder().encode(self.inputs),
 209             lastuptime=now_time())
 210
 211     def send_get_vnfm_request_to_extsys(self):
 212         resp_body = get_vnfm_by_id(self.vnfm_inst_id)
 213         self.vnfm_inst_name = ignore_case_get(resp_body, 'name')
 214
 215     def send_create_vnf_request_to_resmgr(self):
 216         pkg_vnfd = self.vnfd_model
 217         data = {
 218             'nf_inst_id': self.nf_inst_id,
 219             'vnfm_nf_inst_id': self.vnfm_nf_inst_id,
 220             'vnf_inst_name': self.vnf_inst_name,
 221             'ns_inst_id': self.ns_inst_id,
 222             'ns_inst_name': self.ns_inst_name,
 223             'nf_inst_name': self.vnf_inst_name,
 224             'vnfm_inst_id': self.vnfm_inst_id,
 225             'vnfm_inst_name': self.vnfm_inst_name,
 226             'vnfd_name': pkg_vnfd['metadata'].get('name', 'undefined'),
 227             'vnfd_id': self.vnfd_id,
 228             'job_id': self.job_id,
 229             'nf_inst_status': VNF_STATUS.INSTANTIATING,
 230             'vnf_type': pkg_vnfd['metadata'].get('vnf_type', 'undefined'),
 231             'nf_package_id': ignore_case_get(self.nf_package_info, "vnfPackageId")
 232         }
 233         create_vnf(data)
 234
 235     def wait_vnfm_job_finish(self):
 236         ret = wait_job_finish(vnfm_id=self.vnfm_inst_id,
 237                               vnfo_job_id=self.job_id,
 238                               vnfm_job_id=self.vnfm_job_id,
 239                               progress_range=[10, 90],
 240                               timeout=NFVO_VNF_INST_TIMEOUT_SECOND)
 241
 242         if ret != JOB_MODEL_STATUS.FINISHED:
 243             logger.error('VNF instantiation failed on VNFM side. ret=[%s]', ret)
 244             raise NSLCMException('VNF instantiation failed on VNFM side.')
 245
 246     def write_vnf_creation_info(self):
 247         logger.debug("write_vnf_creation_info start")
 248         vm_inst_infos = VmInstModel.objects.filter(insttype=INST_TYPE.VNF, instid=self.nf_inst_id)
 249         data = {
 250             'nf_inst_id': self.nf_inst_id,
 251             'ns_inst_id': self.ns_inst_id,
 252             'vnfm_inst_id': self.vnfm_inst_id,
 253             'vms': [{'vmId': vm_inst_info.resouceid, 'vmName': vm_inst_info.vmname, 'vmStatus': 'ACTIVE'} for
 254                     vm_inst_info in vm_inst_infos]}
 255         create_vnf_creation_info(data)
 256         logger.debug("write_vnf_creation_info end")
 257
 258     def save_info_to_db(self):
 259         logger.debug("save_info_to_db start")
 260         do_biz_with_share_lock("set-vnflist-in-vnffginst-%s" % self.ns_inst_id, self.save_vnf_inst_id_in_vnffg)
 261         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.ACTIVE, lastuptime=now_time())
 262         logger.debug("save_info_to_db end")
 263
 264     def vnf_inst_failed_handle(self, error_msg):
 265         logger.error('VNF instantiation failed, detail message: %s' % error_msg)
 266         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.FAILED,
 267                                                                     lastuptime=now_time())
 268         JobUtil.add_job_status(self.job_id, 255, 'VNF instantiation failed, detail message: %s' % error_msg, 0)
 269
 270     def save_vnf_inst_id_in_vnffg(self):
 271         vnffgs = self.nsd_model['vnffgs']
 272         for vnffg in vnffgs:
 273             if self.vnf_id not in vnffg['members']:
 274                 continue
 275             vnffg_inst_infos = VNFFGInstModel.objects.filter(vnffgdid=vnffg['vnffg_Id'], nsinstid=self.ns_inst_id)
 276             if not vnffg_inst_infos:
 277                 logger.error('Vnffg instance not exist.')
 278                 raise NSLCMException('Vnffg instance not exist.')
 279             vnf_list = vnffg_inst_infos[0].vnflist
 280             vnffg_inst_infos.update(vnf_list=vnf_list + ',' + self.nf_inst_id if vnf_list else self.nf_inst_id)
 281
 282     def create_vnf_in_aai(self):
 283         logger.debug("CreateVnfs::create_vnf_in_aai::report vnf instance[%s] to aai." % self.nf_inst_id)
 284         try:
 285             ns_insts = NSInstModel.objects.filter(id=self.ns_inst_id)
 286             self.global_customer_id = ns_insts[0].global_customer_id
 287             self.service_type = ns_insts[0].service_type
 288             data = {
 289                 "vnf-id": self.nf_inst_id,
 290                 "vnf-name": self.vnf_inst_name,
 291                 "vnf-type": "vnf-type-test111",
 292                 "service-id": self.ns_inst_id,
 293                 "in-maint": True,
 294                 "is-closed-loop-disabled": False,
 295                 "relationship-list": {
 296                     "relationship": [
 297                         {
 298                             "related-to": "service-instance",
 299                             "relationship-data": [
 300                                 {
 301                                     "relationship-key": "customer.global-customer-id",
 302                                     "relationship-value": self.global_customer_id
 303                                 },
 304                                 {
 305                                     "relationship-key": "service-subscription.service-type",
 306                                     "relationship-value": self.service_type
 307                                 },
 308                                 {
 309                                     "relationship-key": "service-instance.service-instance-id",
 310                                     "relationship-value": self.ns_inst_id
 311                                 }
 312                             ]
 313                         }
 314                     ]
 315                 }
 316             }
 317             resp_data, resp_status = create_vnf_aai(self.nf_inst_id, data)
 318             logger.debug("Success to create vnf[%s] to aai, ns instance=[%s], resp_status: [%s]."
 319                          % (self.nf_inst_id, self.ns_inst_id, resp_status))
 320         except NSLCMException as e:
 321             logger.debug("Fail to create vnf[%s] to aai, ns instance=[%s], detail message: %s"
 322                          % (self.nf_inst_id, self.ns_inst_id, e.message))
 323         except:
 324             logger.error(traceback.format_exc())