51a6096a85
This change moves our code to the new keystoneauth1 library. This allows to wipe out all authentification code from Ceilometer. Ceilometer become compatible with all keystone API version and all keystone auth plugin for authentification. This also moves the keystone project discovery to v3 API, to fully removes the keystone v2 client from Ceilometer. Implements blueprint support-keystone-v3 Depends-On: Ia5e924eb58aac7fd53e9fe4a3dbdee102ece3ad7 Depends-On: Ic7bbf9c98eb3f5a5d31da6f313458c4c4d62f59f Change-Id: Id2938c2b323e935b3da35768f1f75ea3ae65bad5
133 lines
4.5 KiB
Python
133 lines
4.5 KiB
Python
#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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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 glanceclient
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from oslo_config import cfg
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from oslo_utils import timeutils
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from ceilometer.agent import plugin_base
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from ceilometer import keystone_client
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from ceilometer import sample
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OPTS = [
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cfg.IntOpt('glance_page_size',
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default=0,
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help="Number of items to request in "
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"each paginated Glance API request "
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"(parameter used by glancecelient). "
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"If this is less than or equal to 0, "
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"page size is not specified "
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"(default value in glanceclient is used)."),
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]
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SERVICE_OPTS = [
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cfg.StrOpt('glance',
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default='image',
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help='Glance service type.'),
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]
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cfg.CONF.register_opts(OPTS)
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cfg.CONF.register_opts(SERVICE_OPTS, group='service_types')
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class _Base(plugin_base.PollsterBase):
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@property
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def default_discovery(self):
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return 'endpoint:%s' % cfg.CONF.service_types.glance
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@staticmethod
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def get_glance_client(ksclient, endpoint):
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# hard-code v1 glance API version selection while v2 API matures
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return glanceclient.Client('1',
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session=keystone_client.get_session(),
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endpoint=endpoint,
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auth=ksclient.session.auth)
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def _get_images(self, ksclient, endpoint):
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client = self.get_glance_client(ksclient, endpoint)
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page_size = cfg.CONF.glance_page_size
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kwargs = {}
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if page_size > 0:
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kwargs['page_size'] = page_size
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return client.images.list(filters={"is_public": None}, **kwargs)
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def _iter_images(self, ksclient, cache, endpoint):
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"""Iterate over all images."""
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key = '%s-images' % endpoint
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if key not in cache:
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cache[key] = list(self._get_images(ksclient, endpoint))
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return iter(cache[key])
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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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class ImagePollster(_Base):
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def get_samples(self, manager, cache, resources):
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for endpoint in resources:
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for image in self._iter_images(manager.keystone, cache, endpoint):
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yield sample.Sample(
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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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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.utcnow().isoformat(),
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resource_metadata=self.extract_image_metadata(image),
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)
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class ImageSizePollster(_Base):
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def get_samples(self, manager, cache, resources):
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for endpoint in resources:
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for image in self._iter_images(manager.keystone, cache, endpoint):
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yield sample.Sample(
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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=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.utcnow().isoformat(),
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resource_metadata=self.extract_image_metadata(image),
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)
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