openstack/aodh
Code Issues Proposed changes

Add pollster for Glance

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This adds a pollster for Glance, polling for all images present via the
Glance registry. Using the registry is obligatory because the Glance API
would not let a user see all images.

This fixes #1051335

Change-Id: I0c5afba8e3f1caf314b8dd95875fbe60b4c07f82
Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Julien Danjou 2012-09-18 20:27:05 +02:00
parent 90a20dc7ba
commit 50da744ed5
5 changed files with 248 additions and 0 deletions
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0
ceilometer/image/__init__.py Normal file
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137
ceilometer/image/glance.py Normal file
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@ -0,0 +1,137 @@
# -*- encoding: utf-8 -*-
#
# Copyright © 2012 New Dream Network, LLC (DreamHost)
#
# Author: Julien Danjou <julien@danjou.info>
#
# 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
import itertools
from keystoneclient.v2_0 import client as ksclient
from glance.registry import client
from ceilometer import plugin
from ceilometer.counter import Counter
from ceilometer.openstack.common import cfg
from ceilometer.openstack.common import timeutils
cfg.CONF.register_opts(
[
cfg.StrOpt('glance_registry_host',
default='localhost',
help="URL of Glance API server"),
cfg.IntOpt('glance_registry_port',
default=9191,
help="URL of Glance API server"),
cfg.StrOpt('glance_username',
default="glance",
help="Username to use for Glance access"),
cfg.StrOpt('glance_password',
default="admin",
help="Password to use for Glance access"),
cfg.StrOpt('glance_tenant_id',
default="",
help="Tenant ID to use for Glance access"),
cfg.StrOpt('glance_tenant_name',
default="admin",
help="Tenant name to use for Glance access"),
cfg.StrOpt('glance_auth_url',
default="http://localhost:5000/v2.0",
help="Auth URL to use for Glance access"),
])
class _Base(plugin.PollsterBase):
@staticmethod
def get_registry_client():
k = ksclient.Client(username=cfg.CONF.glance_username,
password=cfg.CONF.glance_password,
tenant_id=cfg.CONF.glance_tenant_id,
tenant_name=cfg.CONF.glance_tenant_name,
auth_url=cfg.CONF.glance_auth_url)
return client.RegistryClient(cfg.CONF.glance_registry_host,
cfg.CONF.glance_registry_port,
auth_tok=k.auth_token)
def iter_images(self):
"""Iterate over all images."""
# We need to ask for both public and non public to get all images.
client = self.get_registry_client()
return itertools.chain(
client.get_images_detailed(filters={"is_public": True}),
client.get_images_detailed(filters={"is_public": False}))
@staticmethod
def extract_image_metadata(image):
return dict([(k, image[k])
for k in [
"status",
"is_public",
"name",
"deleted",
"container_format",
"created_at",
"disk_format",
"updated_at",
"properties",
"min_disk",
"protected",
"location",
"checksum",
"deleted_at",
"min_ram",
"size",
]
])
class ImagePollster(_Base):
def get_counters(self, manager, context):
for image in self.iter_images():
yield Counter(
source='?',
name='image',
type='absolute',
volume=1,
user_id=None,
project_id=image['owner'],
resource_id=image['id'],
timestamp=timeutils.isotime(),
duration=None,
resource_metadata=self.extract_image_metadata(image),
)
class ImageSizePollster(_Base):
def get_counters(self, manager, context):
for image in self.iter_images():
yield Counter(
source='?',
name='image_size',
type='absolute',
volume=image['size'],
user_id=None,
project_id=image['owner'],
resource_id=image['id'],
timestamp=timeutils.isotime(),
duration=None,
resource_metadata=self.extract_image_metadata(image),
)

2
setup.py
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@ -53,6 +53,8 @@ setuptools.setup(
[ceilometer.poll.central]
network_floatingip = ceilometer.network.floatingip:FloatingIPPollster
image = ceilometer.image.glance:ImagePollster
image_size = ceilometer.image.glance:ImageSizePollster
[ceilometer.storage]
log = ceilometer.storage.impl_log:LogStorage

108
tests/image/test_glance.py Normal file
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@ -0,0 +1,108 @@
# -*- encoding: utf-8 -*-
#
# Copyright © 2012 New Dream Network, LLC (DreamHost)
#
# Author: Julien Danjou <julien@danjou.info>
#
# 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.
from ceilometer.tests import base
from ceilometer.image import glance
from ceilometer.central import manager
from ceilometer.openstack.common import context
IMAGE_LIST = [
{u'status': u'queued',
u'name': "some name",
u'deleted': False,
u'container_format': None,
u'created_at': u'2012-09-18T16:29:46',
u'disk_format': None,
u'updated_at': u'2012-09-18T16:29:46',
u'properties': {},
u'min_disk': 0,
u'protected': False,
u'id': u'1d21a8d0-25f4-4e0a-b4ec-85f40237676b',
u'location': None,
u'checksum': None,
u'owner': u'4c8364fc20184ed7971b76602aa96184',
u'is_public': True,
u'deleted_at': None,
u'min_ram': 0,
u'size': 2048},
{u'status': u'active',
u'name': "hello world",
u'deleted': False,
u'container_format': None,
u'created_at': u'2012-09-18T16:27:41',
u'disk_format': None,
u'updated_at': u'2012-09-18T16:27:41',
u'properties': {},
u'min_disk': 0,
u'protected': False,
u'id': u'22be9f90-864d-494c-aa74-8035fd535989',
u'location': None,
u'checksum': None,
u'owner': u'9e4f98287a0246daa42eaf4025db99d4',
u'is_public': True,
u'deleted_at': None,
u'min_ram': 0,
u'size': 0},
{u'status': u'queued',
u'name': None,
u'deleted': False,
u'container_format': None,
u'created_at': u'2012-09-18T16:23:27',
u'disk_format': "raw",
u'updated_at': u'2012-09-18T16:23:27',
u'properties': {},
u'min_disk': 0,
u'protected': False,
u'id': u'8d133f6c-38a8-403c-b02c-7071b69b432d',
u'location': None,
u'checksum': None,
u'owner': u'5f8806a76aa34ee8b8fc8397bd154319',
u'is_public': True,
u'deleted_at': None,
u'min_ram': 0,
u'size': 1024},
]
class TestImagePollster(base.TestCase):
@staticmethod
def fake_glance_iter_images(foobar):
return iter(IMAGE_LIST)
def setUp(self):
super(TestImagePollster, self).setUp()
self.context = context.RequestContext('admin', 'admin', is_admin=True)
self.manager = manager.AgentManager()
self.stubs.Set(glance._Base, 'iter_images', self.fake_glance_iter_images)
def test_glance_image_counter(self):
counters = list(glance.ImagePollster().get_counters(self.manager,
self.context))
self.assertEqual(len(counters), 3)
for counter in counters:
self.assertEqual(counter.volume, 1)
def test_glance_image_size_counter(self):
counters = list(glance.ImageSizePollster().get_counters(self.manager,
self.context))
self.assertEqual(len(counters), 3)
for image in IMAGE_LIST:
self.assert_(any(map(lambda counter: counter.volume == image['size'],
counters)))

1
tools/pip-requires
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@ -1,4 +1,5 @@
http://tarballs.openstack.org/nova/nova-master.tar.gz
http://tarballs.openstack.org/glance/glance-master.tar.gz
webob
kombu
iso8601