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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 uuid
from lcm.pub.database.models import NfInstModel
from lcm.pub.exceptions import NFLCMException
from lcm.pub.msapi.sdc_run_catalog import query_vnfpackage_by_id
from lcm.pub.utils.timeutil import now_time
from lcm.pub.utils.values import ignore_case_get
logger = logging.getLogger(__name__)
class CreateVnf:
def __init__(self, data):
self.data = data
self.csar_id = ignore_case_get(self.data, "vnfdId")
self.vnf_instance_mame = ignore_case_get(self.data, "vnfInstanceName")
self.description = ignore_case_get(self.data, "vnfInstanceDescription")
def do_biz(self):
self.nf_inst_id = str(uuid.uuid4())
self.check_valid()
self.save_db()
vnf_inst = NfInstModel.objects.get(nfinstid=self.nf_inst_id)
return vnf_inst
def check_valid(self):
is_exist = NfInstModel.objects.filter(nf_name=self.vnf_instance_mame).exists()
if is_exist:
raise NFLCMException('VNF is already exist.')
vnf_package_info = query_vnfpackage_by_id(self.csar_id)
self.vnfd_info = json.loads(ignore_case_get(ignore_case_get(vnf_package_info, "packageInfo"), "vnfdModel"))
def save_db(self):
metadata = ignore_case_get(self.vnfd_info, "metadata")
version = ignore_case_get(metadata, "csarVersion")
provider = ignore_case_get(metadata, "csarProvider")
netype = ignore_case_get(metadata, "type")
vnfsoftwareversion = ignore_case_get(metadata, "version")
NfInstModel.objects.create(nfinstid=self.nf_inst_id,
nf_name=self.vnf_instance_mame,
package_id=self.csar_id,
version=version,
vendor=provider,
netype=netype,
vnfd_model=json.dumps(self.vnfd_info),
status='NOT_INSTANTIATED',
nf_desc=self.description,
vnfdid=self.csar_id,
vnfSoftwareVersion=vnfsoftwareversion,
create_time=now_time())
logger.debug('Create VNF instance[%s] success', self.nf_inst_id)
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