38 lines
1.3 KiB
Python
38 lines
1.3 KiB
Python
# Copyright 2012 Cloudbase Solutions Srl
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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 oslo_log import log as oslo_logging
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from cloudbaseinit import conf as cloudbaseinit_conf
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from cloudbaseinit import exception
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from cloudbaseinit.utils import classloader
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CONF = cloudbaseinit_conf.CONF
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LOG = oslo_logging.getLogger(__name__)
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def get_metadata_service():
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# Return the first service that loads correctly
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cl = classloader.ClassLoader()
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for class_path in CONF.metadata_services:
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service = cl.load_class(class_path)()
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try:
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if service.load():
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return service
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except Exception as ex:
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LOG.error("Failed to load metadata service '%s'" % class_path)
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LOG.exception(ex)
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raise exception.MetadataNotFoundException("No available service found")
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