OpenStack Study: manager.py

**** CubicPower OpenStack Study ****

# Copyright 2010 United States Government as represented by the

# Administrator of the National Aeronautics and Space Administration.

# 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 nova import manager

from nova.network import driver

**** CubicPower OpenStack Study ****

class MetadataManager(manager.Manager):

"""Metadata Manager.

This class manages the Metadata API service initialization. Currently, it

just adds an iptables filter rule for the metadata service.

"""

**** CubicPower OpenStack Study ****

    def __init__(self, *args, **kwargs):

        super(MetadataManager, self).__init__(*args, **kwargs)

        self.network_driver = driver.load_network_driver()

        self.network_driver.metadata_accept()