7593a6948c
Use import_class(), import_object(), and import_module() from openstack-common's importutils module. The equivalent functions have been removed from nova.utils. A few modules had import order cleaned up in passing, as well. My initial motivation for this was to remove some more usage of nova bits from nova.rpc as another step towards being able to move nova.rpc import openstack-common. Since I was pulling importutils into nova, I went ahead and converted the whole thing. Change-Id: I7c7786cf0001bcd06db52b9a99ff4284a3f6c6fa
43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from nova import flags
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from nova import manager
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from nova.openstack.common import importutils
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FLAGS = flags.FLAGS
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class MetadataManager(manager.Manager):
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"""Metadata Manager.
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This class manages the Metadata API service initialization. Currently, it
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just adds an iptables filter rule for the metadata service.
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"""
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def __init__(self, *args, **kwargs):
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super(MetadataManager, self).__init__(*args, **kwargs)
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self.network_driver = importutils.import_module(FLAGS.network_driver)
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def init_host(self):
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"""Perform any initialization.
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Currently, we only add an iptables filter rule for the metadata
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service.
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"""
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self.network_driver.metadata_accept()
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