aodh/ceilometer/publisher/udp.py
Julien Danjou b6aab66586 Remove the collector submodule
It's useless to have a submodule with just one service, simplify the
hierarchy.

Change-Id: I4c39ea74fc5cb59d487626b998eaed9c5cf30eff
2013-11-26 16:03:30 +01:00

66 lines
2.2 KiB
Python

# -*- encoding: utf-8 -*-
#
# Copyright © 2013 eNovance
#
# Author: Julien Danjou <julien@danjou.info>
#
# 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 sample using an UDP mechanism
"""
import socket
import msgpack
from oslo.config import cfg
from ceilometer.openstack.common.gettextutils import _ # noqa
from ceilometer.openstack.common import log
from ceilometer.openstack.common import network_utils
from ceilometer import publisher
cfg.CONF.import_opt('udp_port', 'ceilometer.collector',
group='collector')
LOG = log.getLogger(__name__)
class UDPPublisher(publisher.PublisherBase):
def __init__(self, parsed_url):
self.host, self.port = network_utils.parse_host_port(
parsed_url.netloc,
default_port=cfg.CONF.collector.udp_port)
self.socket = socket.socket(socket.AF_INET,
socket.SOCK_DGRAM)
def publish_samples(self, context, samples):
"""Send a metering message for publishing
:param context: Execution context from the service or RPC call
:param samples: Samples from pipeline after transformation
"""
for sample in samples:
msg = sample.as_dict()
host = self.host
port = self.port
LOG.debug(_("Publishing sample %(msg)s over UDP to "
"%(host)s:%(port)d") % {'msg': msg, 'host': host,
'port': port})
try:
self.socket.sendto(msgpack.dumps(msg),
(self.host, self.port))
except Exception as e:
LOG.warn(_("Unable to send sample over UDP"))
LOG.exception(e)