231 lines
8.2 KiB
Python
231 lines
8.2 KiB
Python
#
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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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import mock
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from oslo.config import fixture as fixture_config
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from oslo_context import context
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from oslotest import base
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from oslotest import mockpatch
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from ceilometer.agent import manager
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from ceilometer.image import glance
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IMAGE_LIST = [
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type('Image', (object,),
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{u'status': u'queued',
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u'name': "some name",
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u'deleted': False,
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u'container_format': None,
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u'created_at': u'2012-09-18T16:29:46',
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u'disk_format': None,
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u'updated_at': u'2012-09-18T16:29:46',
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u'properties': {},
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u'min_disk': 0,
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u'protected': False,
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u'id': u'1d21a8d0-25f4-4e0a-b4ec-85f40237676b',
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u'location': None,
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u'checksum': None,
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u'owner': u'4c8364fc20184ed7971b76602aa96184',
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u'is_public': True,
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u'deleted_at': None,
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u'min_ram': 0,
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u'size': 2048}),
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type('Image', (object,),
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{u'status': u'active',
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u'name': "hello world",
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u'deleted': False,
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u'container_format': None,
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u'created_at': u'2012-09-18T16:27:41',
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u'disk_format': None,
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u'updated_at': u'2012-09-18T16:27:41',
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u'properties': {},
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u'min_disk': 0,
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u'protected': False,
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u'id': u'22be9f90-864d-494c-aa74-8035fd535989',
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u'location': None,
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u'checksum': None,
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u'owner': u'9e4f98287a0246daa42eaf4025db99d4',
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u'is_public': True,
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u'deleted_at': None,
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u'min_ram': 0,
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u'size': 0}),
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type('Image', (object,),
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{u'status': u'queued',
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u'name': None,
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u'deleted': False,
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u'container_format': None,
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u'created_at': u'2012-09-18T16:23:27',
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u'disk_format': "raw",
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u'updated_at': u'2012-09-18T16:23:27',
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u'properties': {},
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u'min_disk': 0,
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u'protected': False,
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u'id': u'8d133f6c-38a8-403c-b02c-7071b69b432d',
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u'location': None,
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u'checksum': None,
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u'owner': u'5f8806a76aa34ee8b8fc8397bd154319',
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u'is_public': True,
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u'deleted_at': None,
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u'min_ram': 0,
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u'size': 1024}),
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# Make one duplicate private image to test the iter_images method.
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type('Image', (object,),
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{u'status': u'queued',
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u'name': "some name",
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u'deleted': False,
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u'container_format': None,
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u'created_at': u'2012-09-18T16:29:46',
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u'disk_format': None,
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u'updated_at': u'2012-09-18T16:29:46',
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u'properties': {},
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u'min_disk': 0,
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u'protected': False,
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u'id': u'1d21a8d0-25f4-4e0a-b4ec-85f40237676b',
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u'location': None,
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u'checksum': None,
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u'owner': u'4c8364fc20184ed7971b76602aa96184',
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u'is_public': True,
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u'deleted_at': None,
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u'min_ram': 0,
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u'size': 2048}),
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]
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ENDPOINT = 'end://point'
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class _BaseObject(object):
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pass
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class FakeGlanceClient(object):
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class images(object):
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pass
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class TestManager(manager.AgentManager):
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def __init__(self):
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super(TestManager, self).__init__()
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self.keystone = mock.Mock()
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self.keystone.service_catalog.get_endpoints = mock.Mock(
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return_value={'image': mock.ANY})
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class TestImagePollsterPageSize(base.BaseTestCase):
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def fake_get_glance_client(self, ksclient, endpoint):
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glanceclient = FakeGlanceClient()
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glanceclient.images.list = mock.MagicMock(return_value=IMAGE_LIST)
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return glanceclient
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@mock.patch('ceilometer.pipeline.setup_pipeline', mock.MagicMock())
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def setUp(self):
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super(TestImagePollsterPageSize, self).setUp()
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self.context = context.get_admin_context()
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self.manager = TestManager()
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self.useFixture(mockpatch.PatchObject(
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glance._Base, 'get_glance_client',
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side_effect=self.fake_get_glance_client))
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self.CONF = self.useFixture(fixture_config.Config()).conf
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def _do_test_iter_images(self, page_size=0):
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self.CONF.set_override("glance_page_size", page_size)
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images = list(glance.ImagePollster().
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_iter_images(self.manager.keystone, {}, ENDPOINT))
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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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FakeGlanceClient.images.list.assert_called_with(
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filters={'is_public': False}, **kwargs)
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self.assertEqual(len(set(image.id for image in images)), len(images))
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def test_page_size(self):
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self._do_test_iter_images(100)
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def test_page_size_default(self):
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self._do_test_iter_images()
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def test_page_size_negative_number(self):
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self._do_test_iter_images(-1)
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class TestImagePollster(base.BaseTestCase):
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def fake_get_glance_client(self, ksclient, endpoint):
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glanceclient = _BaseObject()
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setattr(glanceclient, "images", _BaseObject())
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setattr(glanceclient.images,
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"list", lambda *args, **kwargs: iter(IMAGE_LIST))
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return glanceclient
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@mock.patch('ceilometer.pipeline.setup_pipeline', mock.MagicMock())
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def setUp(self):
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super(TestImagePollster, self).setUp()
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self.context = context.get_admin_context()
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self.manager = TestManager()
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self.useFixture(mockpatch.PatchObject(
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glance._Base, 'get_glance_client',
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side_effect=self.fake_get_glance_client))
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def test_default_discovery(self):
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pollster = glance.ImagePollster()
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self.assertEqual('endpoint:image', pollster.default_discovery)
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def test_iter_images(self):
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# Tests whether the iter_images method returns a unique image
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# list when there is nothing in the cache
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images = list(glance.ImagePollster().
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_iter_images(self.manager.keystone, {}, ENDPOINT))
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self.assertEqual(len(set(image.id for image in images)), len(images))
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def test_iter_images_cached(self):
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# Tests whether the iter_images method returns the values from
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# the cache
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cache = {'%s-images' % ENDPOINT: []}
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images = list(glance.ImagePollster().
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_iter_images(self.manager.keystone, cache,
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ENDPOINT))
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self.assertEqual([], images)
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def test_image(self):
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samples = list(glance.ImagePollster().get_samples(self.manager, {},
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[ENDPOINT]))
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self.assertEqual(3, len(samples))
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for sample in samples:
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self.assertEqual(1, sample.volume)
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def test_image_size(self):
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samples = list(glance.ImageSizePollster().get_samples(self.manager,
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{},
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[ENDPOINT]))
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self.assertEqual(3, len(samples))
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for image in IMAGE_LIST:
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self.assertTrue(
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any(map(lambda sample: sample.volume == image.size,
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samples)))
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def test_image_get_sample_names(self):
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samples = list(glance.ImagePollster().get_samples(self.manager, {},
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[ENDPOINT]))
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self.assertEqual(set(['image']), set([s.name for s in samples]))
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def test_image_size_get_sample_names(self):
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samples = list(glance.ImageSizePollster().get_samples(self.manager,
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{},
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[ENDPOINT]))
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self.assertEqual(set(['image.size']), set([s.name for s in samples]))
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