e49c949f39
This introduces a simpler matching system for event types that supports wildcard. We use this to grab all Nova instances notifications and a bit more Neutron events. We also change the get_event_types to a property to simplify the code a bit. Change-Id: Ica133ff2e9348a5d2640f068251d034bbd8a4f43
130 lines
3.9 KiB
Python
130 lines
3.9 KiB
Python
# -*- encoding: utf-8 -*-
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#
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# Copyright © 2012 Red Hat, Inc
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#
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# Author: Eoghan Glynn <eglynn@redhat.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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"""Handler for producing image counter messages from glance notification
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events.
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"""
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from oslo.config import cfg
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from ceilometer import sample
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from ceilometer import plugin
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OPTS = [
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cfg.StrOpt('glance_control_exchange',
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default='glance',
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help="Exchange name for Glance notifications"),
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]
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cfg.CONF.register_opts(OPTS)
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class ImageBase(plugin.NotificationBase):
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"""Base class for image counting."""
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@staticmethod
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def get_exchange_topics(conf):
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"""Return a sequence of ExchangeTopics defining the exchange and
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topics to be connected for this plugin.
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"""
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return [
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plugin.ExchangeTopics(
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exchange=conf.glance_control_exchange,
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topics=set(topic + ".info"
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for topic in conf.notification_topics)),
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]
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class ImageCRUDBase(ImageBase):
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event_types = [
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'image.update',
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'image.upload',
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'image.delete',
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]
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class ImageCRUD(ImageCRUDBase):
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def process_notification(self, message):
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yield sample.Sample.from_notification(
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name=message['event_type'],
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type=sample.TYPE_DELTA,
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unit='image',
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volume=1,
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resource_id=message['payload']['id'],
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user_id=None,
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project_id=message['payload']['owner'],
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message=message)
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class Image(ImageCRUDBase):
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def process_notification(self, message):
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yield sample.Sample.from_notification(
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name='image',
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type=sample.TYPE_GAUGE,
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unit='image',
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volume=1,
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resource_id=message['payload']['id'],
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user_id=None,
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project_id=message['payload']['owner'],
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message=message)
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class ImageSize(ImageCRUDBase):
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def process_notification(self, message):
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yield sample.Sample.from_notification(
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name='image.size',
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type=sample.TYPE_GAUGE,
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unit='B',
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volume=message['payload']['size'],
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resource_id=message['payload']['id'],
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user_id=None,
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project_id=message['payload']['owner'],
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message=message)
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class ImageDownload(ImageBase):
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"""Emit image_download counter when an image is downloaded."""
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event_types = ['image.send']
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def process_notification(self, message):
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yield sample.Sample.from_notification(
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name='image.download',
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type=sample.TYPE_DELTA,
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unit='B',
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volume=message['payload']['bytes_sent'],
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resource_id=message['payload']['image_id'],
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user_id=message['payload']['receiver_user_id'],
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project_id=message['payload']['receiver_tenant_id'],
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message=message)
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class ImageServe(ImageBase):
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"""Emit image_serve counter when an image is served out."""
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event_types = ['image.send']
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def process_notification(self, message):
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yield sample.Sample.from_notification(
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name='image.serve',
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type=sample.TYPE_DELTA,
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unit='B',
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volume=message['payload']['bytes_sent'],
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resource_id=message['payload']['image_id'],
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user_id=None,
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project_id=message['payload']['owner_id'],
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message=message)
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