79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
#
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# Copyright 2016 IBM
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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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from ceilometer.publisher import http
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from ceilometer import sample
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class PrometheusPublisher(http.HttpPublisher):
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"""Publish metering data to Prometheus Pushgateway endpoint
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This dispatcher inherits from all options of the http dispatcher.
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To use this publisher for samples, add the following section to the
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/etc/ceilometer/pipeline.yaml file or simply add it to an existing
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pipeline::
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- name: meter_file
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meters:
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- "*"
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publishers:
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- prometheus://mypushgateway/metrics/job/ceilometer
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"""
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HEADERS = {'Content-type': 'plain/text'}
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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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if not samples:
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return
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data = ""
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doc_done = set()
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for s in samples:
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# NOTE(sileht): delta can't be converted into prometheus data
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# format so don't set the metric type for it
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metric_type = None
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if s.type == sample.TYPE_CUMULATIVE:
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metric_type = "counter"
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elif s.type == sample.TYPE_GAUGE:
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metric_type = "gauge"
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if metric_type and s.name not in doc_done:
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data += "# TYPE %s %s\n" % (s.name, metric_type)
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doc_done.add(s.name)
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# NOTE(sileht): prometheus pushgateway doesn't allow to push
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# timestamp_ms
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#
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# timestamp_ms = (
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# s.get_iso_timestamp().replace(tzinfo=None) -
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# datetime.utcfromtimestamp(0)
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# ).total_seconds() * 1000
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# data += '%s{resource_id="%s"} %s %d\n' % (
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# s.name, s.resource_id, s.volume, timestamp_ms)
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data += '%s{resource_id="%s"} %s\n' % (
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s.name, s.resource_id, s.volume)
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self._do_post(data)
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@staticmethod
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def publish_events(events):
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raise NotImplementedError
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