Source code for ceilometer.image.notifications

#
# Copyright 2012 Red Hat, Inc
#
# 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.
"""Handler for producing image metering messages from glance notification
   events.
"""

import oslo.messaging
from oslo_config import cfg

from ceilometer.agent import plugin_base
from ceilometer import sample

OPTS = [
    cfg.StrOpt('glance_control_exchange',
               default='glance',
               help="Exchange name for Glance notifications."),
]


cfg.CONF.register_opts(OPTS)


[docs]class ImageBase(plugin_base.NotificationBase): """Base class for image counting.""" @staticmethod
[docs] def get_targets(conf): """Return a sequence of oslo.messaging.Target This sequence is defining the exchange and topics to be connected for this plugin. """ return [oslo.messaging.Target(topic=topic, exchange=conf.glance_control_exchange) for topic in conf.notification_topics]
[docs]class ImageCRUDBase(ImageBase): event_types = [ 'image.update', 'image.upload', 'image.delete', ]
[docs]class ImageCRUD(ImageCRUDBase, plugin_base.NonMetricNotificationBase):
[docs] def process_notification(self, message): yield sample.Sample.from_notification( name=message['event_type'], type=sample.TYPE_DELTA, unit='image', volume=1, resource_id=message['payload']['id'], user_id=None, project_id=message['payload']['owner'], message=message)
[docs]class Image(ImageCRUDBase, plugin_base.NonMetricNotificationBase):
[docs] def process_notification(self, message): yield sample.Sample.from_notification( name='image', type=sample.TYPE_GAUGE, unit='image', volume=1, resource_id=message['payload']['id'], user_id=None, project_id=message['payload']['owner'], message=message)
[docs]class ImageSize(ImageCRUDBase):
[docs] def process_notification(self, message): yield sample.Sample.from_notification( name='image.size', type=sample.TYPE_GAUGE, unit='B', volume=message['payload']['size'], resource_id=message['payload']['id'], user_id=None, project_id=message['payload']['owner'], message=message)
[docs]class ImageDownload(ImageBase): """Emit image_download sample when an image is downloaded.""" event_types = ['image.send']
[docs] def process_notification(self, message): yield sample.Sample.from_notification( name='image.download', type=sample.TYPE_DELTA, unit='B', volume=message['payload']['bytes_sent'], resource_id=message['payload']['image_id'], user_id=message['payload']['receiver_user_id'], project_id=message['payload']['receiver_tenant_id'], message=message)
[docs]class ImageServe(ImageBase): """Emit image_serve sample when an image is served out.""" event_types = ['image.send']
[docs] def process_notification(self, message): yield sample.Sample.from_notification( name='image.serve', type=sample.TYPE_DELTA, unit='B', volume=message['payload']['bytes_sent'], resource_id=message['payload']['image_id'], user_id=None, project_id=message['payload']['owner_id'], message=message)