73c9150afe
Implement a Counter class for use by notification plugins. Define a base class for Notification plugins. Define a dispatcher class for notification events to be passed to the plugins. Add a notification plugin for instance creation and "instance" counters. Add a reusable function for turning a Counter into a metering event dictionary. Change-Id: Iaa626b98e1a661ed31cc8b8e95263c111df20888
56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
# -*- encoding: utf-8 -*-
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#
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# Copyright © 2012 New Dream Network, LLC (DreamHost)
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#
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# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
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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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"""Converters for producing compute counter messages from notification events.
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"""
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from .. import counter
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from .. import plugin
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def c1(body):
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"""Generate c1(instance) counters for a notice."""
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return counter.Counter(
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source='?',
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type='instance',
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volume=1,
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resource_id=body['payload']['instance_id'],
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datetime=body['timestamp'],
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duration=0,
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# FIXME(dhellmann): Add region and other
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# details to metadata
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resource_metadata={
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'display_name':
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body['payload']['display_name'],
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'instance_type':
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body['payload']['instance_type_id'],
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'host': body['publisher_id'],
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},
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)
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class InstanceCreate(plugin.NotificationBase):
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"""Convert compute.instance.create.end notifications into Counters
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"""
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def get_event_types(self):
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return ['compute.instance.create.end']
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def process_notification(self, message):
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return [c1(message),
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]
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