75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
# 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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"""Starter script for Nova Compute."""
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import sys
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import traceback
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from oslo_config import cfg
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from oslo_log import log as logging
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from oslo_reports import guru_meditation_report as gmr
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from nova.conductor import rpcapi as conductor_rpcapi
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from nova import config
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import nova.db.api
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from nova import exception
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from nova.i18n import _LE
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from nova import objects
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from nova.objects import base as objects_base
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from nova import service
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from nova import utils
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from nova import version
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CONF = cfg.CONF
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CONF.import_opt('compute_topic', 'nova.compute.rpcapi')
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CONF.import_opt('use_local', 'nova.conductor.api', group='conductor')
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def block_db_access():
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class NoDB(object):
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def __getattr__(self, attr):
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return self
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def __call__(self, *args, **kwargs):
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stacktrace = "".join(traceback.format_stack())
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LOG = logging.getLogger('nova.compute')
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LOG.error(_LE('No db access allowed in nova-compute: %s'),
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stacktrace)
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raise exception.DBNotAllowed('nova-compute')
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nova.db.api.IMPL = NoDB()
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def main():
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config.parse_args(sys.argv)
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logging.setup(CONF, 'nova')
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utils.monkey_patch()
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objects.register_all()
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gmr.TextGuruMeditation.setup_autorun(version)
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if not CONF.conductor.use_local:
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block_db_access()
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objects_base.NovaObject.indirection_api = \
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conductor_rpcapi.ConductorAPI()
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server = service.Service.create(binary='nova-compute',
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topic=CONF.compute_topic,
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db_allowed=CONF.conductor.use_local)
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service.serve(server)
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service.wait()
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