Source code for ceilometer.image.glance
#
# Copyright 2012 New Dream Network, LLC (DreamHost)
#
# 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.
"""Common code for working with images
"""
from __future__ import absolute_import
from ceilometer.agent import plugin_base
from ceilometer import sample
class _Base(plugin_base.PollsterBase):
@property
def default_discovery(self):
return 'images'
@staticmethod
def extract_image_metadata(image):
return dict((k, getattr(image, k))
for k in
[
"status",
"visibility",
"name",
"container_format",
"created_at",
"disk_format",
"updated_at",
"min_disk",
"protected",
"checksum",
"min_ram",
"tags",
"virtual_size"])
[docs]class ImagePollster(_Base):
[docs] def get_samples(self, manager, cache, resources):
for image in resources:
yield sample.Sample(
name='image',
type=sample.TYPE_GAUGE,
unit='image',
volume=1,
user_id=None,
project_id=image.owner,
resource_id=image.id,
resource_metadata=self.extract_image_metadata(image),
)
[docs]class ImageSizePollster(_Base):
[docs] def get_samples(self, manager, cache, resources):
for image in resources:
yield sample.Sample(
name='image.size',
type=sample.TYPE_GAUGE,
unit='B',
volume=image.size,
user_id=None,
project_id=image.owner,
resource_id=image.id,
resource_metadata=self.extract_image_metadata(image),
)