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 NfPackageModel, NfInstModel, NSInstModel, VmInstModel, VNFFGInstModel, VLInstModel
  25 from lcm.pub.exceptions import NSLCMException
  26 from lcm.pub.msapi.aai import create_vnf_aai, create_vserver_aai
  27 from lcm.pub.msapi.extsys import get_vnfm_by_id, split_vim_to_owner_region, get_vim_by_id
  28 from lcm.pub.msapi.resmgr import create_vnf, create_vnf_creation_info
  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
  35 logger = logging.getLogger(__name__)
  36
  37
  38 def prepare_create_params():
  39     nf_inst_id = str(uuid.uuid4())
  40     NfInstModel(nfinstid=nf_inst_id, status=VNF_STATUS.INSTANTIATING, create_time=now_time(),
  41                 lastuptime=now_time()).save()
  42     job_id = JobUtil.create_job(INST_TYPE_NAME.VNF, JOB_TYPE.CREATE_VNF, nf_inst_id)
  43     JobUtil.add_job_status(job_id, 0, 'create vnf record in database.', 0)
  44     return nf_inst_id, job_id
  45
  46
  47 class CreateVnfs(Thread):
  48     def __init__(self, data, nf_inst_id, job_id):
  49         super(CreateVnfs, self).__init__()
  50         self.data = data
  51         self.nf_inst_id = nf_inst_id
  52         self.job_id = job_id
  53         self.ns_inst_id = ''
  54         self.vnf_id = ''
  55         self.vnfd_id = ''
  56         self.ns_inst_name = ''
  57         self.nsd_model = ''
  58         self.vnfd_model = ''
  59         self.vnf_inst_name = ''
  60         self.vnfm_inst_id = ''
  61         self.inputs = ''
  62         self.nf_package_info = ''
  63         self.vnfm_nf_inst_id = ''
  64         self.vnfm_job_id = ''
  65         self.vnfm_inst_name = ''
  66         self.vim_id = ''
  67
  68     def run(self):
  69         try:
  70             self.get_params()
  71             self.check_nf_name_exist()
  72             self.get_vnfd_id()
  73             self.check_nf_package_valid()
  74             self.send_nf_init_request_to_vnfm()
  75             self.send_get_vnfm_request_to_extsys()
  76             self.send_create_vnf_request_to_resmgr()
  77             self.wait_vnfm_job_finish()
  78             self.write_vnf_creation_info()
  79             self.save_info_to_db()
  80             if REPORT_TO_AAI:
  81                 self.create_vnf_in_aai()
  82                 self.create_vserver_in_aai()
  83         except NSLCMException as e:
  84             self.vnf_inst_failed_handle(e.message)
  85         except Exception:
  86             logger.error(traceback.format_exc())
  87             self.vnf_inst_failed_handle('unexpected exception')
  88
  89     def get_params(self):
  90         self.ns_inst_id = self.data['ns_instance_id']
  91         vnf_index = int(float(self.data['vnf_index'])) - 1
  92         additional_vnf_info = self.data['additional_param_for_vnf'][vnf_index]
  93         self.vnf_id = ignore_case_get(additional_vnf_info, 'vnfProfileId')
  94         additional_param = ignore_case_get(additional_vnf_info, 'additionalParam')
  95         self.vnfm_inst_id = ignore_case_get(additional_param, 'vnfmInstanceId')
  96         para = ignore_case_get(additional_param, 'inputs')
  97         self.inputs = json.loads(para) if isinstance(para, (str, unicode)) else para
  98         self.vim_id = ignore_case_get(additional_param, 'vimId')
  99         self.vnfd_id = ignore_case_get(additional_param, 'vnfdId')
 100
 101     def check_nf_name_exist(self):
 102         is_exist = NfInstModel.objects.filter(nf_name=self.vnf_inst_name).exists()
 103         if is_exist:
 104             logger.error('The name of NF instance already exists.')
 105             raise NSLCMException('The name of NF instance already exists.')
 106
 107     def get_vnfd_id(self):
 108         if self.vnfd_id:
 109             logger.debug("need not get vnfd_id")
 110             self.nsd_model = {'vnfs': [], 'vls': [], 'vnffgs': []}
 111             self.vnf_inst_name = self.vnfd_id + str(uuid.uuid4())
 112             self.vnf_inst_name = self.vnf_inst_name[:30]
 113             return
 114         ns_inst_info = NSInstModel.objects.get(id=self.ns_inst_id)
 115         self.ns_inst_name = ns_inst_info.name
 116         self.nsd_model = json.loads(ns_inst_info.nsd_model)
 117         for vnf_info in self.nsd_model['vnfs']:
 118             if self.vnf_id == vnf_info['vnf_id']:
 119                 self.vnfd_id = vnf_info['properties']['id']
 120                 if 'name' not in vnf_info['properties']:
 121                     self.vnf_inst_name = self.vnfd_id + str(uuid.uuid4())
 122                 else:
 123                     self.vnf_inst_name = vnf_info['properties']['name'] + str(uuid.uuid4())
 124                 self.vnf_inst_name = self.vnf_inst_name[:30]
 125                 return
 126         logger.error('Can not found vnf in nsd model')
 127         raise NSLCMException('Can not found vnf in nsd model')
 128
 129     def check_nf_package_valid(self):
 130         nf_package_info = NfPackageModel.objects.filter(vnfdid=self.vnfd_id)
 131         if not nf_package_info:
 132             logger.info('NF package not exist.')
 133             raise NSLCMException('NF package not exist.')
 134         self.nf_package_info = nf_package_info[0]
 135         self.vnfd_model = json.loads(self.nf_package_info.vnfdmodel)
 136
 137     def get_virtual_link_info(self, vnf_id):
 138         virtual_link_list, ext_virtual_link = [], []
 139         for vnf_info in self.nsd_model['vnfs']:
 140             if vnf_info['vnf_id'] != vnf_id:
 141                 continue
 142             for network_info in vnf_info['networks']:
 143                 vl_instance = VLInstModel.objects.get(
 144                     vldid=network_info['vl_id'],
 145                     ownertype=OWNER_TYPE.NS,
 146                     ownerid=self.ns_inst_id)
 147                 vl_instance_id = vl_instance.vlinstanceid
 148                 network_name, subnet_name = self.get_network_info_of_vl(network_info['vl_id'])
 149                 virtual_link_list.append({
 150                     'network_name': network_name,
 151                     'key_name': network_info['key_name'],
 152                     'subnetwork_name': subnet_name,
 153                     'vl_instance_id': vl_instance_id
 154                 })
 155                 ext_virtual_link.append({
 156                     "vlInstanceId": vl_instance_id,
 157                     "resourceId": vl_instance.relatednetworkid,
 158                     "resourceSubnetId": vl_instance.relatedsubnetworkid,
 159                     "cpdId": self.get_cpd_id_of_vl(network_info['key_name']),
 160                     "vim": {
 161                         "vimid": vl_instance.vimid
 162                     }
 163                 })
 164         return virtual_link_list, ext_virtual_link
 165
 166     def get_cpd_id_of_vl(self, vl_key):
 167         for cpd in self.vnfd_model["vnf_exposed"]["external_cps"]:
 168             if vl_key == cpd["key_name"]:
 169                 return cpd["cpd_id"]
 170         return ""
 171
 172     def get_network_info_of_vl(self, vl_id):
 173         for vnf_info in self.nsd_model['vls']:
 174             if vnf_info['vl_id'] == vl_id:
 175                 return vnf_info['properties']['network_name'], vnf_info['properties']['name']
 176         return '', ''
 177
 178     def send_nf_init_request_to_vnfm(self):
 179         virtual_link_list, ext_virtual_link = self.get_virtual_link_info(self.vnf_id)
 180         req_param = json.JSONEncoder().encode({
 181             'vnfInstanceName': self.vnf_inst_name,
 182             'vnfPackageId': self.nf_package_info.nfpackageid,
 183             'vnfDescriptorId': self.vnfd_id,
 184             'extVirtualLink': ext_virtual_link,
 185             'additionalParam': {"inputs": self.inputs,
 186                 "vimId": self.vim_id,
 187                 "extVirtualLinks": virtual_link_list}})
 188         rsp = send_nf_init_request(self.vnfm_inst_id, req_param)
 189         self.vnfm_job_id = ignore_case_get(rsp, 'jobId')
 190         self.vnfm_nf_inst_id = ignore_case_get(rsp, 'vnfInstanceId')
 191
 192         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(
 193             mnfinstid=self.vnfm_nf_inst_id,
 194             nf_name=self.vnf_inst_name,
 195             vnf_id=self.vnf_id,
 196             package_id=self.nf_package_info.nfpackageid,
 197             vnfm_inst_id=self.vnfm_inst_id,
 198             ns_inst_id=self.ns_inst_id,
 199             version=self.nf_package_info.vnfversion,
 200             vendor=self.nf_package_info.vendor,
 201             vnfd_model=self.vnfd_model,
 202             input_params=json.JSONEncoder().encode(self.inputs),
 203             lastuptime=now_time())
 204
 205     def send_get_vnfm_request_to_extsys(self):
 206         resp_body = get_vnfm_by_id(self.vnfm_inst_id)
 207         self.vnfm_inst_name = ignore_case_get(resp_body, 'name')
 208
 209     def send_create_vnf_request_to_resmgr(self):
 210         pkg_vnfd = json.loads(self.nf_package_info.vnfdmodel)
 211         data = {
 212             'nf_inst_id': self.nf_inst_id,
 213             'vnfm_nf_inst_id': self.vnfm_nf_inst_id,
 214             'vnf_inst_name': self.vnf_inst_name,
 215             'ns_inst_id': self.ns_inst_id,
 216             'ns_inst_name': self.ns_inst_name,
 217             'nf_inst_name': self.vnf_inst_name,
 218             'vnfm_inst_id': self.vnfm_inst_id,
 219             'vnfm_inst_name': self.vnfm_inst_name,
 220             'vnfd_name': pkg_vnfd['metadata'].get('name', 'undefined'),
 221             'vnfd_id': self.vnfd_id,
 222             'job_id': self.job_id,
 223             'nf_inst_status': VNF_STATUS.INSTANTIATING,
 224             'vnf_type': pkg_vnfd['metadata'].get('vnf_type', 'undefined'),
 225             'nf_package_id': self.nf_package_info.nfpackageid}
 226         create_vnf(data)
 227
 228     def wait_vnfm_job_finish(self):
 229         ret = wait_job_finish(vnfm_id=self.vnfm_inst_id, vnfo_job_id=self.job_id,
 230             vnfm_job_id=self.vnfm_job_id, progress_range=[10, 90],
 231             timeout=NFVO_VNF_INST_TIMEOUT_SECOND)
 232
 233         if ret != JOB_MODEL_STATUS.FINISHED:
 234             logger.error('VNF instantiation failed on VNFM side.')
 235             raise NSLCMException('VNF instantiation failed on VNFM side.')
 236
 237     def write_vnf_creation_info(self):
 238         logger.debug("write_vnf_creation_info start")
 239         vm_inst_infos = VmInstModel.objects.filter(insttype=INST_TYPE.VNF, instid=self.nf_inst_id)
 240         data = {
 241             'nf_inst_id': self.nf_inst_id,
 242             'ns_inst_id': self.ns_inst_id,
 243             'vnfm_inst_id': self.vnfm_inst_id,
 244             'vms': [{'vmId': vm_inst_info.resouceid, 'vmName': vm_inst_info.vmname, 'vmStatus': 'ACTIVE'} for
 245                     vm_inst_info in vm_inst_infos]}
 246         create_vnf_creation_info(data)
 247         logger.debug("write_vnf_creation_info end")
 248
 249     def save_info_to_db(self):
 250         logger.debug("save_info_to_db start")
 251         do_biz_with_share_lock("set-vnflist-in-vnffginst-%s" % self.ns_inst_id, self.save_vnf_inst_id_in_vnffg)
 252         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.ACTIVE, lastuptime=now_time())
 253         JobUtil.add_job_status(self.job_id, 100, 'vnf instantiation success', 0)
 254         logger.debug("save_info_to_db end")
 255
 256     def vnf_inst_failed_handle(self, error_msg):
 257         logger.error('VNF instantiation failed, detail message: %s' % error_msg)
 258         NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status=VNF_STATUS.FAILED,
 259                                                                     lastuptime=now_time())
 260         JobUtil.add_job_status(self.job_id, 255, 'VNF instantiation failed, detail message: %s' % error_msg, 0)
 261
 262     def save_vnf_inst_id_in_vnffg(self):
 263         vnffgs = self.nsd_model['vnffgs']
 264         for vnffg in vnffgs:
 265             if self.vnf_id not in vnffg['members']:
 266                 continue
 267             vnffg_inst_infos = VNFFGInstModel.objects.filter(vnffgdid=vnffg['vnffg_Id'], nsinstid=self.ns_inst_id)
 268             if not vnffg_inst_infos:
 269                 logger.error('Vnffg instance not exist.')
 270                 raise NSLCMException('Vnffg instance not exist.')
 271             vnf_list = vnffg_inst_infos[0].vnflist
 272             vnffg_inst_infos.update(vnf_list=vnf_list + ',' + self.nf_inst_id if vnf_list else self.nf_inst_id)
 273
 274     def create_vnf_in_aai(self):
 275         logger.debug("CreateVnfs::create_vnf_in_aai::report vnf instance[%s] to aai." % self.nf_inst_id)
 276         data = {
 277             "vnf-id": self.nf_inst_id,
 278             "vnf-name": self.vnf_inst_name,
 279             "vnf-type": "vnf-type-test111",
 280             "service-id": self.ns_inst_id,
 281             "in-maint": True,
 282             "is-closed-loop-disabled": False,
 283             "relationship-list": {
 284                 "relationship": [
 285                     {
 286                         "related-to": "service-instance",
 287                         "relationship-data": [
 288                             {
 289                                 "relationship-key": "customer.global-customer-id",
 290                                 "relationship-value": "global-customer-id-" + self.ns_inst_id
 291                             },
 292                             {
 293                                 "relationship-key": "service-subscription.service-type",
 294                                 "relationship-value": "service-type-" + self.ns_inst_id
 295                             },
 296                             {
 297                                 "relationship-key": "service-instance.service-instance-id",
 298                                 "relationship-value": self.ns_inst_id
 299                             }
 300                         ]
 301                     }
 302                 ]
 303             }
 304         }
 305         resp_data, resp_status = create_vnf_aai(self.nf_inst_id, data)
 306         if resp_data:
 307             logger.debug("Fail to create vnf instance[%s] to aai, vnf instance=[%s], resp_status: [%s]."
 308                          % (self.nf_inst_id, self.ns_inst_id, resp_status))
 309         else:
 310             logger.debug("Success to create vnf instance[%s] to aai, vnf instance=[%s], resp_status: [%s]."
 311                          % (self.nf_inst_id, self.ns_inst_id, resp_status))
 312
 313     def create_vserver_in_aai(self):
 314         logger.debug("CreateVnfs::create_vserver_in_aai::report vserver instance to aai.")
 315         cloud_owner, cloud_region_id = split_vim_to_owner_region(self.vim_id)
 316
 317         # query vim_info from aai
 318         vim_info = get_vim_by_id(self.vim_id)
 319         tenant_id = vim_info["tenant"]
 320         vm_inst_infos = VmInstModel.objects.filter(insttype=INST_TYPE.VNF, instid=self.nf_inst_id)
 321         for vm_inst_info in vm_inst_infos:
 322             vserver_id = vm_inst_info.resouceid
 323             data = {
 324                 "vserver-id": vm_inst_info.resouceid,
 325                 "vserver-name": vm_inst_info.vmname,
 326                 "prov-status": "ACTIVE",
 327                 "vserver-selflink": "",
 328                 "in-maint": True,
 329                 "is-closed-loop-disabled": False,
 330                 "relationship-list": {
 331                     "relationship": [
 332                         {
 333                             "related-to": "generic-vnf",
 334                             "relationship-data": [
 335                                 {
 336                                     "relationship-key": "generic-vnf.vnf-id",
 337                                     "relationship-value": self.nf_inst_id
 338                                 }
 339                             ]
 340                         }
 341                     ]
 342                 }
 343             }
 344
 345             # create vserver instance in aai
 346             resp_data, resp_status = create_vserver_aai(cloud_owner, cloud_region_id, tenant_id, vserver_id, data)
 347             if resp_data:
 348                 logger.debug("Fail to create vserver instance[%s] to aai, vnf instance=[%s], resp_status: [%s]."
 349                              % (vserver_id, self.nf_inst_id, resp_status))
 350             else:
 351                 logger.debug("Success to create vserver instance[%s] to aai, vnf instance=[%s], resp_status: [%s]."
 352                              % (vserver_id, self.nf_inst_id, resp_status))