cinder/cinder/backup/driver.py

34 lines
1.1 KiB
Python

# Copyright (C) 2013 Deutsche Telekom AG
# 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.
"""Base class for all backup drivers."""
from cinder.db import base
class BackupDriver(base.Base):
def backup(self, backup, volume_file):
"""Start a backup of a specified volume."""
raise NotImplementedError()
def restore(self, backup, volume_id, volume_file):
"""Restore a saved backup."""
raise NotImplementedError()
def delete(self, backup):
"""Delete a saved backup."""
raise NotImplementedError()