60 lines
2.0 KiB
Python
Executable File
60 lines
2.0 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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"""
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Daemon for Nova RRD based instance resource monitoring.
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"""
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import gettext
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import os
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import sys
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from twisted.application import service
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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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gettext.install('nova', unicode=1)
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from nova import log as logging
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from nova import utils
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from nova import twistd
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from nova.compute import monitor
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LOG = logging.getLogger('nova.instancemonitor')
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if __name__ == '__main__':
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utils.default_flagfile()
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twistd.serve(__file__)
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if __name__ == '__builtin__':
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LOG.warn(_('Starting instance monitor'))
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# pylint: disable=C0103
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monitor = monitor.InstanceMonitor()
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# This is the parent service that twistd will be looking for when it
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# parses this file, return it so that we can get it into globals below
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application = service.Application('nova-instancemonitor')
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monitor.setServiceParent(application)
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