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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# 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 config
from nova import manager
from nova.openstack.common import importutils
CONF = config.CONF
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.
"""
def __init__(self, *args, **kwargs):
super(MetadataManager, self).__init__(*args, **kwargs)
self.network_driver = importutils.import_module(CONF.network_driver)
def init_host(self):
"""Perform any initialization.
Currently, we only add an iptables filter rule for the metadata
service.
"""
self.network_driver.metadata_accept()
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