386fb11d08
Added notifications for volumes have been added with tests. This includes create/delete/exists events for volumes. blueprint nova-notifications Change-Id: I21b74974fac22c3621ccf7564dc5c0d339f8751a
85 lines
3.0 KiB
Python
Executable File
85 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2011 Openstack, LLC.
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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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"""Cron script to generate usage notifications for volumes existing during
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the audit period.
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Together with the notifications generated by volumes
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create/delete/resize, over that time period, this allows an external
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system consuming usage notification feeds to calculate volume usage
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for each tenant.
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Time periods are specified as 'hour', 'month', 'day' or 'year'
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hour = previous hour. If run at 9:07am, will generate usage for 8-9am.
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month = previous month. If the script is run April 1, it will generate
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usages for March 1 through March 31.
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day = previous day. if run on July 4th, it generates usages for July 3rd.
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year = previous year. If run on Jan 1, it generates usages for
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Jan 1 through Dec 31 of the previous year.
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"""
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import datetime
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import gettext
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import os
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import sys
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import time
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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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gettext.install('nova', unicode=1)
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from nova import context
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from nova import db
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from nova import exception
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from nova import flags
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from nova import log as logging
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from nova import rpc
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from nova import utils
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import nova.volume.utils
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FLAGS = flags.FLAGS
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if __name__ == '__main__':
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rpc.register_opts(FLAGS)
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admin_context = context.get_admin_context()
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utils.default_flagfile()
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flags.FLAGS(sys.argv)
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logging.setup()
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begin, end = utils.last_completed_audit_period()
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print "Starting volume usage audit"
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print "Creating usages for %s until %s" % (str(begin), str(end))
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volumes = db.volume_get_active_by_window(admin_context,
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begin,
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end)
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print "Found %d volumes" % len(volumes)
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for volume_ref in volumes:
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try:
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nova.volume.utils.notify_usage_exists(
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admin_context, volume_ref)
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except Exception, e:
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print traceback.format_exc(e)
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print "Volume usage audit completed"
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