trove/reddwarf/dns/models.py
Russell Bryant 1aaed59b4b s/OpenStack LLC/OpenStack Foundation/ in Copyright.
Update Copyright statements that previously said 'OpenStack LLC' to now
say 'OpenStack Foundation'.  Note that the files under openstack/common/
were not updated, as those changes should be brought in by syncing with
oslo-incubator.

Change-Id: I22db9858e899cff72053a4b48100fcc039f5d9dd
2013-04-29 18:33:42 -04:00

82 lines
2.4 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010-2011 OpenStack Foundation
# All Rights Reserved.
#
# 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.
"""
Model classes that map instance Ip to dns record.
"""
from reddwarf.db import get_db_api
from reddwarf.common import exception
from reddwarf.common.models import ModelBase
from reddwarf.openstack.common import log as logging
from reddwarf.openstack.common.gettextutils import _
LOG = logging.getLogger(__name__)
def persisted_models():
return {
'dns_records': DnsRecord,
}
class DnsRecord(ModelBase):
_data_fields = ['name', 'record_id']
_table_name = 'dns_records'
def __init__(self, name, record_id):
self.name = name
self.record_id = record_id
@classmethod
def create(cls, **values):
record = cls(**values).save()
if not record.is_valid():
raise exception.InvalidModelError(errors=record.errors)
return record
def save(self):
if not self.is_valid():
raise exception.InvalidModelError(errors=self.errors)
LOG.debug(_("Saving %s: %s") %
(self.__class__.__name__, self.__dict__))
return get_db_api().save(self)
def delete(self):
LOG.debug(_("Deleting %s: %s") %
(self.__class__.__name__, self.__dict__))
return get_db_api().delete(self)
@classmethod
def find_by(cls, **conditions):
model = cls.get_by(**conditions)
if model is None:
raise exception.ModelNotFoundError(_("%s Not Found") %
cls.__name__)
return model
@classmethod
def get_by(cls, **kwargs):
return get_db_api().find_by(cls, **cls._process_conditions(kwargs))
@classmethod
def _process_conditions(cls, raw_conditions):
"""Override in inheritors to format/modify any conditions."""
return raw_conditions