# Copyright 2014 Cloudbase Solutions Srl
#
#    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.

import sys

from cloudbaseinit.utils import classloader


def get_config_drive_manager():
    class_paths = {
        'win32': 'cloudbaseinit.metadata.services.osconfigdrive.windows.'
        'WindowsConfigDriveManager',
    }

    class_path = class_paths.get(sys.platform)
    if not class_path:
        raise NotImplementedError('ConfigDrive is not supported on '
                                  'this platform: %s' % sys.platform)

    cl = classloader.ClassLoader()
    return cl.load_class(class_path)()
