deb-ceilometer/ceilometer/image/notifications.py
gordon chung 6fcb452714 add an option to disable non-metric meters
a large chunk of meters don't measure anything and are really
healthcheck events. these should be stored as events and not
samples. this patch adds an option to disable false meters and
warn if not disabled.

Change-Id: I654f657dd36967ad3ec99bbe06209e7745432e12
2015-02-24 18:33:26 -05:00

127 lines
3.9 KiB
Python

#
# 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)
class ImageBase(plugin_base.NotificationBase):
"""Base class for image counting."""
@staticmethod
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]
class ImageCRUDBase(ImageBase):
event_types = [
'image.update',
'image.upload',
'image.delete',
]
class ImageCRUD(ImageCRUDBase, plugin_base.NonMetricNotificationBase):
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)
class Image(ImageCRUDBase, plugin_base.NonMetricNotificationBase):
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)
class ImageSize(ImageCRUDBase):
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)
class ImageDownload(ImageBase):
"""Emit image_download sample when an image is downloaded."""
event_types = ['image.send']
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)
class ImageServe(ImageBase):
"""Emit image_serve sample when an image is served out."""
event_types = ['image.send']
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)