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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 traceback
import uuid
from lcm.pub.config.config import REPORT_TO_AAI
from lcm.pub.database.models import NSInstModel
from lcm.pub.exceptions import NSLCMException
from lcm.pub.msapi.aai import create_ns_aai
from lcm.pub.msapi.sdc_run_catalog import query_nspackage_by_id
from lcm.pub.utils.timeutil import now_time
from lcm.pub.utils.values import ignore_case_get
from lcm.ns.const import SERVICE_ROLE, SERVICE_TYPE
logger = logging.getLogger(__name__)
class CreateNSService(object):
def __init__(self, csar_id, ns_name, description, context):
self.csar_id = csar_id
self.ns_name = ns_name
self.description = description
self.global_customer_id = ignore_case_get(context, 'globalCustomerId')
self.service_type = ignore_case_get(context, 'serviceType')
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::csar_id=%s" % self.csar_id)
ns_package_info = query_nspackage_by_id(self.csar_id)
if not ns_package_info:
raise NSLCMException("nsd(%s) not exists." % self.csar_id)
packageInfo = ns_package_info["packageInfo"]
self.ns_package_id = ignore_case_get(packageInfo, "nsPackageId")
self.nsd_id = ignore_case_get(packageInfo, "nsdId")
self.nsd_invariant_id = ignore_case_get(packageInfo, "nsdInvariantId")
logger.debug("CreateNSService::check_nsd_valid::ns_package_id=%s,nsd_id=%s", self.ns_package_id, self.nsd_id)
def check_ns_inst_name_exist(self):
is_exist = NSInstModel.objects.filter(name=self.ns_name).exclude(status='null').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,
nsd_invariant_id=self.nsd_invariant_id,
description=self.description,
status='NOT_INSTANTIATED', # 'empty',
lastuptime=now_time(),
global_customer_id=self.global_customer_id,
service_type=self.service_type).save()
def create_ns_in_aai(self):
logger.debug("CreateNSService::create_ns_in_aai::report ns instance[%s] to aai." % self.ns_inst_id)
try:
data = {
"service-instance-id": self.ns_inst_id,
"service-instance-name": self.ns_name,
"service-type": SERVICE_TYPE,
"service-role": SERVICE_ROLE
}
resp_data, resp_status = create_ns_aai(self.global_customer_id, self.service_type, self.ns_inst_id, data)
logger.debug("Success to create ns[%s] to aai:[%s],[%s].", self.ns_inst_id, resp_data, resp_status)
except NSLCMException as e:
logger.debug("Fail to createns[%s] to aai, detail message: %s" % (self.ns_inst_id, e.args[0]))
except:
logger.error(traceback.format_exc())
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