tacker/tacker/objects/vnfd_attribute.py

125 lines
3.6 KiB
Python

# Copyright 2019 NTT DATA.
#
# 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.
from oslo_log import log as logging
from tacker.db import api as db_api
from tacker.db.db_sqlalchemy import api
from tacker.db.db_sqlalchemy import models
from tacker.db.vnfm import vnfm_db
from tacker.objects import base
from tacker.objects import fields
LOG = logging.getLogger(__name__)
@db_api.context_manager.writer
def _vnfd_attribute_create(context, values):
vnfd_attribute = vnfm_db.VNFDAttribute()
vnfd_attribute.update(values)
vnfd_attribute.save(context.session)
return vnfd_attribute
@db_api.context_manager.reader
def _get_vnfd_id(context, id):
try:
vnf_package_vnfd = \
api.model_query(context, models.VnfPackageVnfd).\
filter_by(package_uuid=id).first()
except Exception:
LOG.info("select vnfd_attribute failed")
if vnf_package_vnfd:
return vnf_package_vnfd.vnfd_id
else:
return None
@db_api.context_manager.reader
def _check_vnfd_attribute(context, id):
try:
vnfd_attribute = \
api.model_query(context, vnfm_db.VNFDAttribute).\
filter_by(vnfd_id=id).first()
except Exception:
LOG.info("select vnfd_attribute failed")
if vnfd_attribute:
return "TRUE"
else:
return "FALSE"
@db_api.context_manager.writer
def _vnfd_attribute_delete(context, id):
try:
api.model_query(context, vnfm_db.VNFDAttribute).\
filter_by(vnfd_id=id).delete()
except Exception:
LOG.info("delete vnfd_attribute failed")
@base.TackerObjectRegistry.register
class VnfdAttribute(base.TackerObject, base.TackerObjectDictCompat,
base.TackerPersistentObject):
# Version 1.0: Initial version
VERSION = '1.0'
fields = {
'id': fields.UUIDField(nullable=False),
'vnfd_id': fields.UUIDField(nullable=False),
'key': fields.StringField(nullable=True),
'value': fields.StringField(nullable=True),
}
@staticmethod
def _from_db_object(context, vnfd_attribute, db_vnfd_attribute):
for key in vnfd_attribute.fields:
if db_vnfd_attribute.get(key):
setattr(vnfd_attribute, key, db_vnfd_attribute[key])
vnfd_attribute._context = context
vnfd_attribute.obj_reset_changes()
return vnfd_attribute
@base.remotable
def create(self):
updates = self.obj_get_changes()
db_vnfd_attribute = _vnfd_attribute_create(
self._context, updates)
self._from_db_object(self._context, self, db_vnfd_attribute)
@classmethod
def obj_from_db_obj(cls, context, db_obj):
return cls._from_db_object(context, cls(), db_obj)
@base.remotable
def destroy(self, id):
vnfd_attribute_id = _get_vnfd_id(self._context, id)
if vnfd_attribute_id:
_vnfd_attribute_delete(self._context, vnfd_attribute_id)
@base.remotable
def delete(self, id):
_vnfd_attribute_delete(self._context, id)
@base.remotable
def check_vnfd_attribute(self, id):
return _check_vnfd_attribute(self._context, id)