f6868e5e48
We stop putting the source in the Counter, but we set it via the configuration file and use it as a source. Change-Id: I82c00ac5e55e09ab38de9364cda3194beb35e3c4 Signed-off-by: Julien Danjou <julien@danjou.info>
114 lines
3.9 KiB
Python
114 lines
3.9 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 keystoneclient.v2_0 import client as ksclient
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from ceilometer import plugin
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from ceilometer import counter
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from ceilometer.openstack.common import cfg
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from ceilometer.openstack.common import timeutils
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class _Base(plugin.PollsterBase):
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@staticmethod
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def get_glance_client():
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k = ksclient.Client(username=cfg.CONF.os_username,
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password=cfg.CONF.os_password,
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tenant_id=cfg.CONF.os_tenant_id,
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tenant_name=cfg.CONF.os_tenant_name,
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auth_url=cfg.CONF.os_auth_url)
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endpoint = k.service_catalog.url_for(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, token=k.auth_token)
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def iter_images(self):
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"""Iterate over all images."""
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client = self.get_glance_client()
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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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"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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)
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class ImagePollster(_Base):
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def get_counters(self, manager, context):
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for image in self.iter_images():
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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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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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class ImageSizePollster(_Base):
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def get_counters(self, manager, context):
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for image in self.iter_images():
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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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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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