81 lines
2.4 KiB
Python
81 lines
2.4 KiB
Python
# Copyright 2010-2011 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Model classes that map instance Ip to dns record.
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"""
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from oslo_log import log as logging
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from trove.common import exception
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from trove.common.i18n import _
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from trove.common.models import ModelBase
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from trove.db import get_db_api
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LOG = logging.getLogger(__name__)
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def persisted_models():
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return {
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'dns_records': DnsRecord,
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}
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class DnsRecord(ModelBase):
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_data_fields = ['name', 'record_id']
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_table_name = 'dns_records'
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def __init__(self, name, record_id):
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self.name = name
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self.record_id = record_id
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@classmethod
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def create(cls, **values):
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record = cls(**values).save()
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if not record.is_valid():
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raise exception.InvalidModelError(errors=record.errors)
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return record
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def save(self):
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if not self.is_valid():
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raise exception.InvalidModelError(errors=self.errors)
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LOG.debug("Saving %(name)s: %(dict)s" %
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{'name': self.__class__.__name__, 'dict': self.__dict__})
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return get_db_api().save(self)
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def delete(self):
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LOG.debug("Deleting %(name)s: %(dict)s" %
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{'name': self.__class__.__name__, 'dict': self.__dict__})
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return get_db_api().delete(self)
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@classmethod
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def find_by(cls, **conditions):
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model = cls.get_by(**conditions)
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if model is None:
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raise exception.ModelNotFoundError(_("%s Not Found") %
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cls.__name__)
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return model
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@classmethod
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def get_by(cls, **kwargs):
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return get_db_api().find_by(cls, **cls._process_conditions(kwargs))
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@classmethod
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def _process_conditions(cls, raw_conditions):
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"""Override in inheritors to format/modify any conditions."""
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return raw_conditions
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