deb-ceilometer/ceilometer/publish.py
Julien Danjou f6868e5e48 Set source at publish time
We stop putting the source in the Counter, but we set it via the
configuration file and use it as a source.

Change-Id: I82c00ac5e55e09ab38de9364cda3194beb35e3c4
Signed-off-by: Julien Danjou <julien@danjou.info>
2012-10-26 15:13:03 +02:00

66 lines
2.1 KiB
Python

# -*- encoding: utf-8 -*-
#
# Copyright © 2012 New Dream Network, LLC (DreamHost)
#
# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
#
# 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.
"""Publish a counter using the preferred RPC mechanism.
"""
from ceilometer.openstack.common import cfg
from ceilometer.openstack.common import log
from ceilometer.openstack.common import rpc
from ceilometer import meter
LOG = log.getLogger(__name__)
PUBLISH_OPTS = [
cfg.StrOpt('metering_topic',
default='metering',
help='the topic ceilometer uses for metering messages',
),
cfg.StrOpt('control_exchange',
default='ceilometer',
help='AMQP exchange to connect to if using RabbitMQ or Qpid'),
]
def register_opts(config):
"""Register the options for publishing metering messages.
"""
config.register_opts(PUBLISH_OPTS)
register_opts(cfg.CONF)
def publish_counter(context, counter, topic, secret, source):
"""Send a metering message for the data represented by the counter.
:param context: Execution context from the service or RPC call
:param counter: ceilometer.counter.Counter instance
:param source: counter source
"""
msg = {
'method': 'record_metering_data',
'version': '1.0',
'args': {'data': meter.meter_message_from_counter(counter,
secret,
source),
},
}
LOG.debug('PUBLISH: %s', str(msg))
rpc.cast(context, topic, msg)
rpc.cast(context, topic + '.' + counter.name, msg)