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# Copyright 2017 ZTE Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import json
import logging
import traceback
from threading import Thread
from lcm.pub.database.models import NfInstModel, JobStatusModel, NfvoRegInfoModel
from lcm.pub.exceptions import NFLCMException
from lcm.pub.msapi.nfvolcm import vnfd_rawdata_get, apply_grant_to_nfvo, apply_res_to_nfvo
from lcm.pub.utils.jobutil import JobUtil
from lcm.pub.utils.timeutil import now_time
from lcm.pub.utils.values import ignore_case_get
logger = logging.getLogger(__name__)
class InstVnf(Thread):
def __init__(self, data, nf_inst_id, job_id):
super(InstVnf, self).__init__()
self.data = data
self.nf_inst_id = nf_inst_id
self.job_id = job_id
self.nfvo_inst_id = ''
self.vnfm_inst_id = ''
def run(self):
try:
self.inst_pre()
self.apply_grant()
self.create_res()
# self.check_res_status(args)
# self.wait_inst_finish(args)
# self.lcm_notify(args)
JobUtil.add_job_status(self.job_id, 100, "Instantiate Vnf success.")
is_exist = JobStatusModel.objects.filter(jobid=self.job_id).exists()
logger.debug("check_ns_inst_name_exist::is_exist=%s" % is_exist)
except NFLCMException as e:
self.vnf_inst_failed_handle(e.message)
# self.rollback(e.message)
except:
# self.vnf_inst_failed_handle('unexpected exception')
logger.error(traceback.format_exc())
# self.rollback('unexpected exception')
def inst_pre(self):
vnf_insts = NfInstModel.objects.filter(nfinstid=self.nf_inst_id)
if not vnf_insts.exists():
raise NFLCMException('VNF nf_inst_id is not exist.')
self.vnfm_inst_id = vnf_insts[0].vnfm_inst_id
if vnf_insts[0].instantiationState != 'NOT_INSTANTIATED':
raise NFLCMException('VNF instantiationState is not NOT_INSTANTIATED.')
#get rawdata by vnfd_id
ret = vnfd_rawdata_get(vnf_insts[0].vnfdid)
if ret[0] != 0:
raise NFLCMException("Get vnfd_raw_data failed.")
self.vnfd_info = json.JSONDecoder().decode(ret[1])
#checkParameterExist
for cp in self.data:
if cp not in self.vnfd_info:
raise NFLCMException('Input parameter is not defined in vnfd_info.')
#get nfvo info
JobUtil.add_job_status(self.job_id, 5, 'GET_NFVO_CONNECTION_INFO')
self.load_nfvo_config()
#update NfInstModel
NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(flavour_id=ignore_case_get(self.data, "flavourId"),
vnf_level=ignore_case_get(self.data, 'instantiationLevelId'),
input_params=ignore_case_get(self.data, 'additionalParams'),
extension=ignore_case_get(self.data, ''),
initallocatedata=self.vnfd_info,
localizationLanguage=ignore_case_get(self.data, 'localizationLanguage'),
lastuptime=now_time())
def apply_grant(self):
logger.info('[NF instantiation] send resource grand request to nfvo start')
#self.check_vm_capacity()
content_args = {'nfvoInstanceId': self.nfvo_inst_id, 'vnfmInstanceId': self.vnfm_inst_id,
'nfInstanceId': self.nf_inst_id, 'nfDescriptorId': '',
'lifecycleOperation': 'Instantiate', 'jobId': self.job_id, 'addResource': [],
'removeResource': [], 'placementConstraint': [], 'exVimIdList': [], 'additionalParam': {}}
vdus = self.vnfd_info['vdus']
res_index = 1
for vdu in vdus:
res_def = {'type': 'VDU', 'resourceDefinitionId': str(res_index), 'vduId': vdu['vdu_id'],
'vimid': '', 'tenant': ''}
if self.vnfd_info['metadata']['cross_dc']:
res_def['vimid'] = vdu['properties']['location_info']['vimId']
res_def['tenant'] = vdu['properties']['location_info']['tenant']
content_args['addResource'].append(res_def)
res_index += 1
logger.info('content_args=%s' % content_args)
resp = apply_grant_to_nfvo(content_args)
logger.info("[NF instantiation] get grant response = %s" % resp)
if resp[0] != 0:
raise NFLCMException('Nf instancing apply grant exception')
#update_resources_table()
NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(instantiationState='INSTANTIATED', lastuptime=now_time())
JobUtil.add_job_status(self.job_id, 15, 'Nf instancing apply grant finish')
logger.info("Nf instancing apply grant finish")
def create_res(self):
logger.info("[NF instantiation] send resource apply request start")
content_args = {'nfvoInstanceId': self.nfvo_inst_id, 'vnfmInstanceId': self.vnfm_inst_id,
'nfInstanceId': self.nf_inst_id, 'nfDescriptorId': '',
'lifecycleOperation': 'Instantiate', 'jobId': '',
'allocateData': self.vnfd_info}
volumns = ignore_case_get(self.data, "volumn_storages")
#call vim driver api
#create_volumns(volumns)
JobUtil.add_job_status(self.job_id, 35, 'Nf instancing create resource(volumn_storages) finish')
# create_networks(self.vnfd_info)
JobUtil.add_job_status(self.job_id, 45, 'Nf instancing create resource(networks) finish')
# create_vdus(self.vnfd_info)
JobUtil.add_job_status(self.job_id, 65, 'Nf instancing create resource(vms) finish')
def check_res_status(self, args):
try:
logger.info('check_res_status, args=%s' % args)
# CheckResStatusTask(args).do_biz()
return {'result': '100', 'msg': 'Nf instancing check resource status finish', 'context': {}}
except Exception as e:
logger.error('Nf instancing check resource status exception=%s' % e.message)
logger.error(traceback.format_exc())
return {'result': '255', 'msg': 'Nf instancing check resource status exception', 'context': {}}
def wait_inst_finish(self, args):
try:
logger.info('wait_inst_finish, args=%s' % args)
# WaitInstFinishTask(args).do_biz()
return {'result': '100', 'msg': 'Nf instancing wait finish', 'context': {}}
except Exception as e:
logger.error('Nf instancing wait exception=%s' % e.message)
logger.error(traceback.format_exc())
return {'result': '255', 'msg': 'Nf instancing wait exception', 'context': {}}
def lcm_notify(self, args):
try:
logger.info('lcm_notify, args=%s' % args)
# LcmNotifyTask(args).do_biz()
return {'result': '100', 'msg': 'Nf instancing lcm notify finish', 'context': {}}
except Exception as e:
logger.error('Nf instancing lcm notify exception=%s' % e.message)
logger.error(traceback.format_exc())
return {'result': '255', 'msg': 'Nf instancing lcm notify exception', 'context': {}}
def rollback(self, args):
try:
logger.info('inst_exception, args=%s' % args)
# InstExceptionTask(args).do_biz()
return {'result': '100', 'msg': 'Nf instancing exception process finish', 'context': {}}
except Exception as e:
logger.error('Nf instancing exception process exception=%s' % e.message)
logger.error(traceback.format_exc())
return {'result': '255', 'msg': 'Nf instancing exception process exception', 'context': {}}
def load_nfvo_config(self):
logger.info("[NF instantiation]get nfvo connection info start")
reg_info = NfvoRegInfoModel.objects.filter(vnfminstid='vnfm111').first()
if reg_info:
self.nfvo_inst_id = reg_info.nfvoid
logger.info("[NF instantiation] Registered nfvo id is [%s]"%self.nfvo_inst_id)
else:
raise NFLCMException("Nfvo was not registered")
logger.info("[NF instantiation]get nfvo connection info end")
def vnf_inst_failed_handle(self, error_msg):
logger.error('VNF instantiation failed, detail message: %s' % error_msg)
NfInstModel.objects.filter(nfinstid=self.nf_inst_id).update(status='failed', lastuptime=now_time())
JobUtil.add_job_status(self.job_id, 255, error_msg)
# JobUtil.add_job_status(self.job_id, 255, 'VNF instantiation failed, detail message: %s' % error_msg, 0)
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