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