84 lines
2.9 KiB
Python
84 lines
2.9 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_log import log
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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 import publisher
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from ceilometer.publisher import utils
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LOG = log.getLogger(__name__)
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class UDPPublisher(publisher.ConfigPublisherBase):
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def __init__(self, conf, parsed_url):
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super(UDPPublisher, self).__init__(conf, parsed_url)
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self.host, self.port = netutils.parse_host_port(
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parsed_url.netloc, default_port=4952)
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addrinfo = None
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try:
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addrinfo = socket.getaddrinfo(self.host, None, socket.AF_INET6,
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socket.SOCK_DGRAM)[0]
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except socket.gaierror:
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try:
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addrinfo = socket.getaddrinfo(self.host, None, socket.AF_INET,
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socket.SOCK_DGRAM)[0]
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except socket.gaierror:
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pass
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if addrinfo:
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addr_family = addrinfo[0]
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else:
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LOG.warning(
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"Cannot resolve host %s, creating AF_INET socket...",
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self.host)
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addr_family = socket.AF_INET
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self.socket = socket.socket(addr_family,
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socket.SOCK_DGRAM)
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def publish_samples(self, samples):
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"""Send a metering message for publishing
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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, self.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, use_bin_type=True),
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(self.host, self.port))
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except Exception as e:
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LOG.warning(_("Unable to send sample over UDP"))
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LOG.exception(e)
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def publish_events(self, events):
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"""Send an event message for publishing
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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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