OpenStack Study: fake_service.py

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# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.

# 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.

from cinder.backup.driver import BackupDriver

from cinder.openstack.common import log as logging

LOG = logging.getLogger(__name__)

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class FakeBackupService(BackupDriver):

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    def __init__(self, context, db_driver=None):

        super(FakeBackupService, self).__init__(db_driver)

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    def backup(self, backup, volume_file):

        pass

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    def restore(self, backup, volume_id, volume_file):

        pass

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    def delete(self, backup):

        # if backup has magic name of 'fail_on_delete'

        # we raise an error - useful for some tests -

        # otherwise we return without error

        if backup['display_name'] == 'fail_on_delete':

            raise IOError('fake')

def get_backup_driver(context):

    return FakeBackupService(context)

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def get_backup_driver(context):

    return FakeBackupService(context)