7fc0d1e6c7
enable a listener in collector that listens to events queue. this patch also renames 'metering_*' options which are now used by both events and samples. Change-Id: I6250c91e913864c3973e2d93022e38ad8bed8328 Implements: blueprint notification-pipelines
73 lines
2.5 KiB
Python
73 lines
2.5 KiB
Python
#
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# Copyright 2013 eNovance
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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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"""Publish a sample using an UDP mechanism
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"""
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import socket
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import msgpack
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from oslo_config import cfg
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from oslo_utils import netutils
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import ceilometer
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from ceilometer.i18n import _
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from ceilometer.openstack.common import log
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from ceilometer import publisher
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from ceilometer.publisher import utils
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cfg.CONF.import_opt('udp_port', 'ceilometer.collector',
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group='collector')
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LOG = log.getLogger(__name__)
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class UDPPublisher(publisher.PublisherBase):
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def __init__(self, parsed_url):
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self.host, self.port = netutils.parse_host_port(
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parsed_url.netloc,
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default_port=cfg.CONF.collector.udp_port)
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self.socket = socket.socket(socket.AF_INET,
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socket.SOCK_DGRAM)
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def publish_samples(self, context, samples):
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"""Send a metering message for publishing
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:param context: Execution context from the service or RPC call
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:param samples: Samples from pipeline after transformation
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"""
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for sample in samples:
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msg = utils.meter_message_from_counter(
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sample, cfg.CONF.publisher.telemetry_secret)
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host = self.host
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port = self.port
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LOG.debug(_("Publishing sample %(msg)s over UDP to "
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"%(host)s:%(port)d") % {'msg': msg, 'host': host,
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'port': port})
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try:
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self.socket.sendto(msgpack.dumps(msg),
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(self.host, self.port))
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except Exception as e:
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LOG.warn(_("Unable to send sample over UDP"))
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LOG.exception(e)
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def publish_events(self, context, events):
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"""Send an event message for publishing
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:param context: Execution context from the service or RPC call
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:param events: events from pipeline after transformation
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"""
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raise ceilometer.NotImplementedError
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