60 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
#!/usr/bin/env python
 | 
						|
# vim: tabstop=4 shiftwidth=4 softtabstop=4
 | 
						|
 | 
						|
# Copyright 2010 United States Government as represented by the
 | 
						|
# Administrator of the National Aeronautics and Space Administration.
 | 
						|
# All Rights Reserved.
 | 
						|
#
 | 
						|
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
 | 
						|
#    not use this file except in compliance with the License. You may obtain
 | 
						|
#    a copy of the License at
 | 
						|
#
 | 
						|
#         http://www.apache.org/licenses/LICENSE-2.0
 | 
						|
#
 | 
						|
#    Unless required by applicable law or agreed to in writing, software
 | 
						|
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 | 
						|
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 | 
						|
#    License for the specific language governing permissions and limitations
 | 
						|
#    under the License.
 | 
						|
 | 
						|
"""
 | 
						|
  Daemon for Nova RRD based instance resource monitoring.
 | 
						|
"""
 | 
						|
 | 
						|
import gettext
 | 
						|
import os
 | 
						|
import sys
 | 
						|
from twisted.application import service
 | 
						|
 | 
						|
# If ../nova/__init__.py exists, add ../ to Python search path, so that
 | 
						|
# it will override what happens to be installed in /usr/(local/)lib/python...
 | 
						|
possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
 | 
						|
                                   os.pardir,
 | 
						|
                                   os.pardir))
 | 
						|
if os.path.exists(os.path.join(possible_topdir, 'nova', '__init__.py')):
 | 
						|
    sys.path.insert(0, possible_topdir)
 | 
						|
 | 
						|
gettext.install('nova', unicode=1)
 | 
						|
 | 
						|
from nova import log as logging
 | 
						|
from nova import utils
 | 
						|
from nova import twistd
 | 
						|
from nova.compute import monitor
 | 
						|
 | 
						|
LOG = logging.getLogger('nova.instancemonitor')
 | 
						|
 | 
						|
 | 
						|
if __name__ == '__main__':
 | 
						|
    utils.default_flagfile()
 | 
						|
    twistd.serve(__file__)
 | 
						|
 | 
						|
if __name__ == '__builtin__':
 | 
						|
    LOG.warn(_('Starting instance monitor'))
 | 
						|
    # pylint: disable-msg=C0103
 | 
						|
    monitor = monitor.InstanceMonitor()
 | 
						|
 | 
						|
    # This is the parent service that twistd will be looking for when it
 | 
						|
    # parses this file, return it so that we can get it into globals below
 | 
						|
    application = service.Application('nova-instancemonitor')
 | 
						|
    monitor.setServiceParent(application)
 |