6a7633c62a
Make all the source and tests HACKING compliant and enable tox -e hacking on by default. Relative directory checks not enabled (yet) Change-Id: I8803f67c49b4d16caebe76ae690092ae5c9a6dd3
107 lines
3.5 KiB
Python
107 lines
3.5 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: Julien Danjou <julien@danjou.info>
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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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"""Common code for working with images
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"""
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from __future__ import absolute_import
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import itertools
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import glanceclient
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from ceilometer import counter
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from ceilometer.openstack.common import timeutils
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from ceilometer import plugin
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class _Base(plugin.PollsterBase):
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@staticmethod
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def get_glance_client(ksclient):
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endpoint = ksclient.service_catalog.url_for(
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service_type='image',
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endpoint_type='internalURL')
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# hard-code v1 glance API version selection while v2 API matures
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return glanceclient.Client('1', endpoint,
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token=ksclient.auth_token)
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def iter_images(self, ksclient):
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"""Iterate over all images."""
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client = self.get_glance_client(ksclient)
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#TODO(eglynn): use pagination to protect against unbounded
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# memory usage
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return itertools.chain(
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client.images.list(filters={"is_public": True}),
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#TODO(eglynn): extend glance API with all_tenants logic to
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# avoid second call to retrieve private images
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client.images.list(filters={"is_public": False}))
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@staticmethod
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def extract_image_metadata(image):
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return dict((k, getattr(image, k))
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for k in
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[
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"status",
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"is_public",
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"name",
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"deleted",
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"container_format",
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"created_at",
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"disk_format",
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"updated_at",
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"properties",
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"min_disk",
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"protected",
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"checksum",
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"deleted_at",
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"min_ram",
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"size",
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])
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class ImagePollster(_Base):
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@staticmethod
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def get_counter_names():
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return ['image', 'image.size']
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def get_counters(self, manager):
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for image in self.iter_images(manager.keystone):
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yield counter.Counter(
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name='image',
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type=counter.TYPE_GAUGE,
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unit='image',
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volume=1,
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user_id=None,
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project_id=image.owner,
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resource_id=image.id,
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timestamp=timeutils.isotime(),
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resource_metadata=self.extract_image_metadata(image),
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)
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yield counter.Counter(
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name='image.size',
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type=counter.TYPE_GAUGE,
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unit='B',
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volume=image.size,
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user_id=None,
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project_id=image.owner,
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resource_id=image.id,
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timestamp=timeutils.isotime(),
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resource_metadata=self.extract_image_metadata(image),
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)
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