3b251f2041
Use the pollster cache to store the list of tenants and the information swift has about them. blueprint one-meter-per-plugin Change-Id: I2c1fbbb99b2ae4796720ec6b7ac94ac27ab9ba5c Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
129 lines
4.9 KiB
Python
129 lines
4.9 KiB
Python
#!/usr/bin/env python
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# -*- encoding: utf-8 -*-
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#
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# Copyright © 2012 eNovance <licensing@enovance.com>
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#
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# Author: Guillaume Pernot <gpernot@praksys.org>
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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 collections
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import mock
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from ceilometer.central import manager
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from ceilometer.objectstore import swift
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from ceilometer.tests import base
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from keystoneclient import exceptions
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from swiftclient import client as swift_client
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ACCOUNTS = [('tenant-000', {'x-account-object-count': 12,
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'x-account-bytes-used': 321321321,
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'x-account-container-count': 7,
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}),
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('tenant-001', {'x-account-object-count': 34,
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'x-account-bytes-used': 9898989898,
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'x-account-container-count': 17,
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})]
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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.MagicMock()
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class TestSwiftPollster(base.TestCase):
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@staticmethod
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def fake_ks_service_catalog_url_for(*args, **kwargs):
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raise exceptions.EndpointNotFound("Fake keystone exception")
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def fake_iter_accounts(self, ksclient, cache):
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for i in ACCOUNTS:
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yield i
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@mock.patch('ceilometer.pipeline.setup_pipeline', mock.MagicMock())
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def setUp(self):
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super(TestSwiftPollster, self).setUp()
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self.pollster = swift.SwiftPollster()
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self.manager = TestManager()
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def test_iter_accounts_no_cache(self):
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def empty_account_info(obj, ksclient, cache):
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return []
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self.stubs.Set(swift.SwiftPollster, '_get_account_info',
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empty_account_info)
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cache = {}
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data = list(self.pollster._iter_accounts(mock.Mock(), cache))
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self.assertTrue(self.pollster.CACHE_KEY_TENANT in cache)
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self.assertTrue(self.pollster.CACHE_KEY_HEAD in cache)
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self.assertEqual(data, [])
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def test_iter_accounts_tenants_cached(self):
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# Verify that if there are tenants pre-cached then the account
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# info loop iterates over those instead of asking for the list
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# again.
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ksclient = mock.Mock()
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ksclient.tenants.list.side_effect = AssertionError(
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'should not be called',
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)
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self.stubs.Set(swift_client, 'head_account',
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ksclient)
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self.stubs.Set(swift.SwiftPollster, '_neaten_url',
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mock.Mock())
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Tenant = collections.namedtuple('Tenant', 'id')
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cache = {
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self.pollster.CACHE_KEY_TENANT: [Tenant(ACCOUNTS[0][0])],
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}
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data = list(self.pollster._iter_accounts(mock.Mock(), cache))
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self.assertTrue(self.pollster.CACHE_KEY_HEAD in cache)
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self.assertEqual(data[0][0], ACCOUNTS[0][0])
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def test_neaten_url(self):
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test_endpoint = 'http://127.0.0.1:8080'
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test_tenant_id = 'a7fd1695fa154486a647e44aa99a1b9b'
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standard_url = test_endpoint + '/v1/' + 'AUTH_' + test_tenant_id
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self.assertEqual(standard_url,
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self.pollster._neaten_url(test_endpoint,
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test_tenant_id))
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self.assertEqual(standard_url,
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self.pollster._neaten_url(test_endpoint + '/',
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test_tenant_id))
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self.assertEqual(standard_url,
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self.pollster._neaten_url(test_endpoint + '/v1',
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test_tenant_id))
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def test_metering(self):
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self.stubs.Set(swift.SwiftPollster, '_iter_accounts',
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self.fake_iter_accounts)
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counters = list(self.pollster.get_counters(self.manager, {}))
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self.assertEqual(len(counters), 6)
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def test_get_counter_names(self):
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self.stubs.Set(swift.SwiftPollster, '_iter_accounts',
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self.fake_iter_accounts)
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counters = list(self.pollster.get_counters(self.manager, {}))
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self.assertEqual(set([c.name for c in counters]),
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set(self.pollster.get_counter_names()))
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def test_endpoint_notfound(self):
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self.stubs.Set(self.manager.keystone.service_catalog, 'url_for',
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self.fake_ks_service_catalog_url_for)
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counters = list(self.pollster.get_counters(self.manager, {}))
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self.assertEqual(len(counters), 0)
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