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# Copyright 2016 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 logging
import uuid
from lcm.pub.config.config import REPORT_TO_AAI
from lcm.pub.database.models import NSDModel, NSInstModel
from lcm.pub.exceptions import NSLCMException
from lcm.pub.msapi.aai import create_customer_aai
from lcm.pub.utils.timeutil import now_time
logger = logging.getLogger(__name__)
class CreateNSService(object):
def __init__(self, nsd_id, ns_name, description):
self.nsd_id = nsd_id
self.ns_name = ns_name
self.description = description
self.ns_inst_id = ''
self.ns_package_id = ''
def do_biz(self):
self.check_nsd_valid()
self.check_ns_inst_name_exist()
self.create_ns_inst()
if REPORT_TO_AAI:
self.create_ns_in_aai()
logger.debug("CreateNSService::do_biz::ns_inst_id=%s" % self.ns_inst_id)
return self.ns_inst_id
def check_nsd_valid(self):
logger.debug("CreateNSService::check_nsd_valid::nsd_id=%s" % self.nsd_id)
ns_package_info = NSDModel.objects.filter(nsd_id=self.nsd_id)
if not ns_package_info:
raise NSLCMException("nsd(%s) not exists." % self.nsd_id)
self.ns_package_id = ns_package_info[0].id
logger.debug("CreateNSService::check_nsd_valid::ns_package_id=%s" % self.ns_package_id)
def check_ns_inst_name_exist(self):
is_exist = NSInstModel.objects.filter(name=self.ns_name).exists()
logger.debug("CreateNSService::check_ns_inst_name_exist::is_exist=%s" % is_exist)
if is_exist:
raise NSLCMException("ns(%s) already existed." % self.ns_name)
def create_ns_inst(self):
self.ns_inst_id = str(uuid.uuid4())
logger.debug("CreateNSService::create_ns_inst::ns_inst_id=%s" % self.ns_inst_id)
NSInstModel(id=self.ns_inst_id, name=self.ns_name, nspackage_id=self.ns_package_id,
nsd_id=self.nsd_id, description=self.description, status='empty',
lastuptime=now_time()).save()
def create_ns_in_aai(self):
logger.debug("CreateNSService::create_ns_in_aai::report ns instance[%s] to aai." % self.ns_inst_id)
global_customer_id = "global-customer-id-" + self.ns_inst_id
data = {
"global-customer-id": "global-customer-id-" + self.ns_inst_id,
"subscriber-name": "subscriber-name-" + self.ns_inst_id,
"subscriber-type": "subscriber-type-" + self.ns_inst_id,
"service-subscriptions": {
"service-subscription": [
{
"service-type": "service-type-" + self.ns_inst_id,
"service-instances": {
"service-instance": [
{
"service-instance-id": self.ns_inst_id,
"service-instance-name": self.ns_name,
"service-type": "service-type-" + self.ns_inst_id,
"service-role": "service-role-" + self.ns_inst_id
}
]
}
}
]
}
}
resp_data, resp_status = create_customer_aai(global_customer_id, data)
if resp_data:
logger.debug("Fail to create ns[%s] to aai: [%s].", self.ns_inst_id, resp_status)
else:
logger.debug("Success to create ns[%s] to aai: [%s].", self.ns_inst_id, resp_status)
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