e7bc52d3f2
Apparently exception.DBError disappeared at some point, but nova- compute was still using it. Since it was a stretch in the first place, and nothing else in exception.py looks reasonable, this adds exception.DBNotAllowed. Fixes bug 1120390 Change-Id: Ifbfa0b09f3dc011ad87f6f3b06eb0fdaa7247ec0
85 lines
2.7 KiB
Python
Executable File
85 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python
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# 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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"""Starter script for Nova Compute."""
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import eventlet
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import os
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if os.name == 'nt':
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# eventlet monkey patching causes subprocess.Popen to fail on Windows
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# when using pipes due to missing non blocking I/O support
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eventlet.monkey_patch(os=False)
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else:
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eventlet.monkey_patch()
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import os
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import sys
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import traceback
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# If ../nova/__init__.py exists, add ../ to Python search path, so that
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# it will override what happens to be installed in /usr/(local/)lib/python...
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POSSIBLE_TOPDIR = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
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os.pardir,
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os.pardir))
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if os.path.exists(os.path.join(POSSIBLE_TOPDIR, 'nova', '__init__.py')):
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sys.path.insert(0, POSSIBLE_TOPDIR)
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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.openstack.common import cfg
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from nova.openstack.common import log as logging
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from nova import service
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from nova import utils
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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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LOG = logging.getLogger('nova.compute')
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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.error('No db access allowed in nova-compute: %s' % stacktrace)
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raise exception.DBNotAllowed('nova-compute')
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nova.db.api.IMPL = NoDB()
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if __name__ == '__main__':
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config.parse_args(sys.argv)
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logging.setup('nova')
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utils.monkey_patch()
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if not CONF.conductor.use_local:
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block_db_access()
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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=False)
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service.serve(server)
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service.wait()
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