614 lines
27 KiB
Python
614 lines
27 KiB
Python
# Copyright (c) 2011 OpenStack Foundation
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# All Rights Reserved.
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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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"""
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Tests For HostManager
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"""
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from datetime import datetime
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import mock
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from oslo_config import cfg
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from oslo_utils import timeutils
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from cinder import exception
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from cinder import objects
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from cinder.openstack.common.scheduler import filters
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from cinder.scheduler import host_manager
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from cinder import test
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from cinder.tests.unit.objects import test_service
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CONF = cfg.CONF
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class FakeFilterClass1(filters.BaseHostFilter):
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def host_passes(self, host_state, filter_properties):
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pass
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class FakeFilterClass2(filters.BaseHostFilter):
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def host_passes(self, host_state, filter_properties):
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pass
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class HostManagerTestCase(test.TestCase):
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"""Test case for HostManager class."""
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def setUp(self):
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super(HostManagerTestCase, self).setUp()
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self.host_manager = host_manager.HostManager()
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self.fake_hosts = [host_manager.HostState('fake_host%s' % x)
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for x in range(1, 5)]
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def test_choose_host_filters_not_found(self):
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self.flags(scheduler_default_filters='FakeFilterClass3')
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self.host_manager.filter_classes = [FakeFilterClass1,
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FakeFilterClass2]
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self.assertRaises(exception.SchedulerHostFilterNotFound,
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self.host_manager._choose_host_filters, None)
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def test_choose_host_filters(self):
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self.flags(scheduler_default_filters=['FakeFilterClass2'])
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self.host_manager.filter_classes = [FakeFilterClass1,
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FakeFilterClass2]
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# Test 'volume' returns 1 correct function
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filter_classes = self.host_manager._choose_host_filters(None)
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self.assertEqual(1, len(filter_classes))
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self.assertEqual('FakeFilterClass2', filter_classes[0].__name__)
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@mock.patch('cinder.scheduler.host_manager.HostManager.'
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'_choose_host_filters')
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def test_get_filtered_hosts(self, _mock_choose_host_filters):
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filter_class = FakeFilterClass1
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mock_func = mock.Mock()
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mock_func.return_value = True
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filter_class._filter_one = mock_func
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_mock_choose_host_filters.return_value = [filter_class]
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fake_properties = {'moo': 1, 'cow': 2}
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expected = []
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for fake_host in self.fake_hosts:
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expected.append(mock.call(fake_host, fake_properties))
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result = self.host_manager.get_filtered_hosts(self.fake_hosts,
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fake_properties)
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self.assertEqual(expected, mock_func.call_args_list)
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self.assertEqual(set(self.fake_hosts), set(result))
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@mock.patch('oslo_utils.timeutils.utcnow')
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def test_update_service_capabilities(self, _mock_utcnow):
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service_states = self.host_manager.service_states
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self.assertDictMatch(service_states, {})
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_mock_utcnow.side_effect = [31337, 31338, 31339]
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host1_volume_capabs = dict(free_capacity_gb=4321, timestamp=1)
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host2_volume_capabs = dict(free_capacity_gb=5432, timestamp=1)
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host3_volume_capabs = dict(free_capacity_gb=6543, timestamp=1)
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service_name = 'volume'
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self.host_manager.update_service_capabilities(service_name, 'host1',
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host1_volume_capabs)
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self.host_manager.update_service_capabilities(service_name, 'host2',
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host2_volume_capabs)
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self.host_manager.update_service_capabilities(service_name, 'host3',
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host3_volume_capabs)
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# Make sure dictionary isn't re-assigned
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self.assertEqual(service_states, self.host_manager.service_states)
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# Make sure original dictionary wasn't copied
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self.assertEqual(1, host1_volume_capabs['timestamp'])
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host1_volume_capabs['timestamp'] = 31337
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host2_volume_capabs['timestamp'] = 31338
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host3_volume_capabs['timestamp'] = 31339
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expected = {'host1': host1_volume_capabs,
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'host2': host2_volume_capabs,
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'host3': host3_volume_capabs}
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self.assertDictMatch(expected, service_states)
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@mock.patch('cinder.utils.service_is_up')
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@mock.patch('cinder.db.service_get_all_by_topic')
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def test_has_all_capabilities(self, _mock_service_get_all_by_topic,
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_mock_service_is_up):
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_mock_service_is_up.return_value = True
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services = [
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dict(id=1, host='host1', topic='volume', disabled=False,
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availability_zone='zone1', updated_at=timeutils.utcnow()),
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dict(id=2, host='host2', topic='volume', disabled=False,
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availability_zone='zone1', updated_at=timeutils.utcnow()),
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dict(id=3, host='host3', topic='volume', disabled=False,
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availability_zone='zone1', updated_at=timeutils.utcnow()),
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]
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_mock_service_get_all_by_topic.return_value = services
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# Create host_manager again to let db.service_get_all_by_topic mock run
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self.host_manager = host_manager.HostManager()
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self.assertFalse(self.host_manager.has_all_capabilities())
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host1_volume_capabs = dict(free_capacity_gb=4321, timestamp=1)
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host2_volume_capabs = dict(free_capacity_gb=5432, timestamp=1)
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host3_volume_capabs = dict(free_capacity_gb=6543, timestamp=1)
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service_name = 'volume'
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self.host_manager.update_service_capabilities(service_name, 'host1',
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host1_volume_capabs)
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self.assertFalse(self.host_manager.has_all_capabilities())
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self.host_manager.update_service_capabilities(service_name, 'host2',
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host2_volume_capabs)
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self.assertFalse(self.host_manager.has_all_capabilities())
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self.host_manager.update_service_capabilities(service_name, 'host3',
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host3_volume_capabs)
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self.assertTrue(self.host_manager.has_all_capabilities())
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@mock.patch('cinder.db.service_get_all_by_topic')
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@mock.patch('cinder.utils.service_is_up')
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@mock.patch('oslo_utils.timeutils.utcnow')
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def test_update_and_get_pools(self, _mock_utcnow,
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_mock_service_is_up,
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_mock_service_get_all_by_topic):
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"""Test interaction between update and get_pools
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This test verifies that each time that get_pools is called it gets the
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latest copy of service_capabilities, which is timestamped with the
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current date/time.
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"""
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context = 'fake_context'
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dates = [datetime.fromtimestamp(400), datetime.fromtimestamp(401),
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datetime.fromtimestamp(402)]
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_mock_utcnow.side_effect = dates
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services = [
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# This is the first call to utcnow()
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dict(id=1, host='host1', topic='volume', disabled=False,
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availability_zone='zone1', updated_at=timeutils.utcnow()),
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]
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mocked_service_states = {
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'host1': dict(volume_backend_name='AAA',
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total_capacity_gb=512, free_capacity_gb=200,
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timestamp=None, reserved_percentage=0),
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}
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_mock_service_get_all_by_topic.return_value = services
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_mock_service_is_up.return_value = True
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_mock_warning = mock.Mock()
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host_manager.LOG.warn = _mock_warning
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host_volume_capabs = dict(free_capacity_gb=4321)
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service_name = 'volume'
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with mock.patch.dict(self.host_manager.service_states,
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mocked_service_states):
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self.host_manager.update_service_capabilities(service_name,
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'host1',
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host_volume_capabs)
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res = self.host_manager.get_pools(context)
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self.assertEqual(1, len(res))
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self.assertEqual(dates[1], res[0]['capabilities']['timestamp'])
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self.host_manager.update_service_capabilities(service_name,
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'host1',
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host_volume_capabs)
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res = self.host_manager.get_pools(context)
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self.assertEqual(1, len(res))
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self.assertEqual(dates[2], res[0]['capabilities']['timestamp'])
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@mock.patch('cinder.db.service_get_all_by_topic')
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@mock.patch('cinder.utils.service_is_up')
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def test_get_all_host_states(self, _mock_service_is_up,
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_mock_service_get_all_by_topic):
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context = 'fake_context'
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topic = CONF.volume_topic
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services = [
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dict(id=1, host='host1', topic='volume', disabled=False,
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availability_zone='zone1', updated_at=timeutils.utcnow(),
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binary=None, deleted=False, created_at=None, modified_at=None,
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report_count=0, deleted_at=None, disabled_reason=None),
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dict(id=2, host='host2', topic='volume', disabled=False,
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availability_zone='zone1', updated_at=timeutils.utcnow(),
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binary=None, deleted=False, created_at=None, modified_at=None,
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report_count=0, deleted_at=None, disabled_reason=None),
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dict(id=3, host='host3', topic='volume', disabled=False,
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availability_zone='zone2', updated_at=timeutils.utcnow(),
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binary=None, deleted=False, created_at=None, modified_at=None,
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report_count=0, deleted_at=None, disabled_reason=None),
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dict(id=4, host='host4', topic='volume', disabled=False,
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availability_zone='zone3', updated_at=timeutils.utcnow(),
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binary=None, deleted=False, created_at=None, modified_at=None,
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report_count=0, deleted_at=None, disabled_reason=None),
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]
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service_objs = []
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for db_service in services:
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service_obj = objects.Service()
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service_objs.append(objects.Service._from_db_object(context,
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service_obj,
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db_service))
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service_states = {
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'host1': dict(volume_backend_name='AAA',
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total_capacity_gb=512, free_capacity_gb=200,
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timestamp=None, reserved_percentage=0,
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provisioned_capacity_gb=312),
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'host2': dict(volume_backend_name='BBB',
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total_capacity_gb=256, free_capacity_gb=100,
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timestamp=None, reserved_percentage=0,
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provisioned_capacity_gb=156),
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'host3': dict(volume_backend_name='CCC',
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total_capacity_gb=10000, free_capacity_gb=700,
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timestamp=None, reserved_percentage=0,
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provisioned_capacity_gb=9300),
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}
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# First test: service_is_up is always True, host5 is disabled,
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# host4 has no capabilities
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self.host_manager.service_states = service_states
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_mock_service_get_all_by_topic.return_value = services
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_mock_service_is_up.return_value = True
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_mock_warning = mock.Mock()
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host_manager.LOG.warning = _mock_warning
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# Get all states
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self.host_manager.get_all_host_states(context)
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_mock_service_get_all_by_topic.assert_called_with(context,
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topic,
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disabled=False)
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expected = []
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for service in service_objs:
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expected.append(mock.call(service))
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self.assertEqual(expected, _mock_service_is_up.call_args_list)
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# Get host_state_map and make sure we have the first 3 hosts
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host_state_map = self.host_manager.host_state_map
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self.assertEqual(3, len(host_state_map))
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for i in range(3):
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volume_node = services[i]
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host = volume_node['host']
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test_service.TestService._compare(self, volume_node,
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host_state_map[host].service)
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# Second test: Now service_is_up returns False for host3
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_mock_service_is_up.reset_mock()
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_mock_service_is_up.side_effect = [True, True, False, True]
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_mock_service_get_all_by_topic.reset_mock()
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_mock_warning.reset_mock()
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# Get all states, make sure host 3 is reported as down
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self.host_manager.get_all_host_states(context)
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_mock_service_get_all_by_topic.assert_called_with(context,
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topic,
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disabled=False)
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self.assertEqual(expected, _mock_service_is_up.call_args_list)
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self.assertTrue(_mock_warning.call_count > 0)
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# Get host_state_map and make sure we have the first 2 hosts (host3 is
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# down, host4 is missing capabilities)
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host_state_map = self.host_manager.host_state_map
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self.assertEqual(2, len(host_state_map))
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for i in range(2):
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volume_node = services[i]
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host = volume_node['host']
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test_service.TestService._compare(self, volume_node,
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host_state_map[host].service)
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@mock.patch('cinder.db.service_get_all_by_topic')
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@mock.patch('cinder.utils.service_is_up')
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def test_get_pools(self, _mock_service_is_up,
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_mock_service_get_all_by_topic):
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context = 'fake_context'
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services = [
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dict(id=1, host='host1', topic='volume', disabled=False,
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availability_zone='zone1', updated_at=timeutils.utcnow()),
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dict(id=2, host='host2@back1', topic='volume', disabled=False,
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availability_zone='zone1', updated_at=timeutils.utcnow()),
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dict(id=3, host='host2@back2', topic='volume', disabled=False,
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availability_zone='zone2', updated_at=timeutils.utcnow()),
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]
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mocked_service_states = {
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'host1': dict(volume_backend_name='AAA',
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total_capacity_gb=512, free_capacity_gb=200,
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timestamp=None, reserved_percentage=0,
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provisioned_capacity_gb=312),
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'host2@back1': dict(volume_backend_name='BBB',
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total_capacity_gb=256, free_capacity_gb=100,
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timestamp=None, reserved_percentage=0,
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provisioned_capacity_gb=156),
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'host2@back2': dict(volume_backend_name='CCC',
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total_capacity_gb=10000, free_capacity_gb=700,
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timestamp=None, reserved_percentage=0,
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provisioned_capacity_gb=9300),
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}
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_mock_service_get_all_by_topic.return_value = services
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_mock_service_is_up.return_value = True
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_mock_warning = mock.Mock()
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host_manager.LOG.warn = _mock_warning
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with mock.patch.dict(self.host_manager.service_states,
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mocked_service_states):
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res = self.host_manager.get_pools(context)
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# check if get_pools returns all 3 pools
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self.assertEqual(3, len(res))
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expected = [
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{
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'name': 'host1#AAA',
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'capabilities': {
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'timestamp': None,
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'volume_backend_name': 'AAA',
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'free_capacity_gb': 200,
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'driver_version': None,
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'total_capacity_gb': 512,
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'reserved_percentage': 0,
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'vendor_name': None,
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'storage_protocol': None,
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'provisioned_capacity_gb': 312},
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},
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{
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'name': 'host2@back1#BBB',
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'capabilities': {
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'timestamp': None,
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'volume_backend_name': 'BBB',
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'free_capacity_gb': 100,
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'driver_version': None,
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'total_capacity_gb': 256,
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'reserved_percentage': 0,
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'vendor_name': None,
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'storage_protocol': None,
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'provisioned_capacity_gb': 156},
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},
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{
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'name': 'host2@back2#CCC',
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'capabilities': {
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'timestamp': None,
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'volume_backend_name': 'CCC',
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'free_capacity_gb': 700,
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'driver_version': None,
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'total_capacity_gb': 10000,
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'reserved_percentage': 0,
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'vendor_name': None,
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'storage_protocol': None,
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'provisioned_capacity_gb': 9300},
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}
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]
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def sort_func(data):
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return data['name']
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self.assertEqual(len(expected), len(res))
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self.assertEqual(sorted(expected, key=sort_func),
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sorted(res, key=sort_func))
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class HostStateTestCase(test.TestCase):
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"""Test case for HostState class."""
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def test_update_from_volume_capability_nopool(self):
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fake_host = host_manager.HostState('host1')
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self.assertIsNone(fake_host.free_capacity_gb)
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volume_capability = {'total_capacity_gb': 1024,
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'free_capacity_gb': 512,
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'provisioned_capacity_gb': 512,
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'reserved_percentage': 0,
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'timestamp': None}
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fake_host.update_from_volume_capability(volume_capability)
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# Backend level stats remain uninitialized
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self.assertEqual(0, fake_host.total_capacity_gb)
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self.assertEqual(None, fake_host.free_capacity_gb)
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# Pool stats has been updated
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self.assertEqual(1024, fake_host.pools['_pool0'].total_capacity_gb)
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self.assertEqual(512, fake_host.pools['_pool0'].free_capacity_gb)
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self.assertEqual(512,
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fake_host.pools['_pool0'].provisioned_capacity_gb)
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# Test update for existing host state
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volume_capability.update(dict(total_capacity_gb=1000))
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fake_host.update_from_volume_capability(volume_capability)
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self.assertEqual(1000, fake_host.pools['_pool0'].total_capacity_gb)
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# Test update for existing host state with different backend name
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volume_capability.update(dict(volume_backend_name='magic'))
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fake_host.update_from_volume_capability(volume_capability)
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self.assertEqual(1000, fake_host.pools['magic'].total_capacity_gb)
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self.assertEqual(512, fake_host.pools['magic'].free_capacity_gb)
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self.assertEqual(512,
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fake_host.pools['magic'].provisioned_capacity_gb)
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# 'pool0' becomes nonactive pool, and is deleted
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self.assertRaises(KeyError, lambda: fake_host.pools['pool0'])
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def test_update_from_volume_capability_with_pools(self):
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fake_host = host_manager.HostState('host1')
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self.assertIsNone(fake_host.free_capacity_gb)
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capability = {
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'volume_backend_name': 'Local iSCSI',
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'vendor_name': 'OpenStack',
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'driver_version': '1.0.1',
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'storage_protocol': 'iSCSI',
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'pools': [
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{'pool_name': '1st pool',
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'total_capacity_gb': 500,
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'free_capacity_gb': 230,
|
|
'allocated_capacity_gb': 270,
|
|
'provisioned_capacity_gb': 270,
|
|
'QoS_support': 'False',
|
|
'reserved_percentage': 0,
|
|
'dying_disks': 100,
|
|
'super_hero_1': 'spider-man',
|
|
'super_hero_2': 'flash',
|
|
'super_hero_3': 'neoncat',
|
|
},
|
|
{'pool_name': '2nd pool',
|
|
'total_capacity_gb': 1024,
|
|
'free_capacity_gb': 1024,
|
|
'allocated_capacity_gb': 0,
|
|
'provisioned_capacity_gb': 0,
|
|
'QoS_support': 'False',
|
|
'reserved_percentage': 0,
|
|
'dying_disks': 200,
|
|
'super_hero_1': 'superman',
|
|
'super_hero_2': 'Hulk',
|
|
}
|
|
],
|
|
'timestamp': None,
|
|
}
|
|
|
|
fake_host.update_from_volume_capability(capability)
|
|
|
|
self.assertEqual('Local iSCSI', fake_host.volume_backend_name)
|
|
self.assertEqual('iSCSI', fake_host.storage_protocol)
|
|
self.assertEqual('OpenStack', fake_host.vendor_name)
|
|
self.assertEqual('1.0.1', fake_host.driver_version)
|
|
|
|
# Backend level stats remain uninitialized
|
|
self.assertEqual(0, fake_host.total_capacity_gb)
|
|
self.assertEqual(None, fake_host.free_capacity_gb)
|
|
# Pool stats has been updated
|
|
self.assertEqual(2, len(fake_host.pools))
|
|
|
|
self.assertEqual(500, fake_host.pools['1st pool'].total_capacity_gb)
|
|
self.assertEqual(230, fake_host.pools['1st pool'].free_capacity_gb)
|
|
self.assertEqual(270,
|
|
fake_host.pools['1st pool'].provisioned_capacity_gb)
|
|
self.assertEqual(1024, fake_host.pools['2nd pool'].total_capacity_gb)
|
|
self.assertEqual(1024, fake_host.pools['2nd pool'].free_capacity_gb)
|
|
self.assertEqual(0,
|
|
fake_host.pools['2nd pool'].provisioned_capacity_gb)
|
|
|
|
capability = {
|
|
'volume_backend_name': 'Local iSCSI',
|
|
'vendor_name': 'OpenStack',
|
|
'driver_version': '1.0.2',
|
|
'storage_protocol': 'iSCSI',
|
|
'pools': [
|
|
{'pool_name': '3rd pool',
|
|
'total_capacity_gb': 10000,
|
|
'free_capacity_gb': 10000,
|
|
'allocated_capacity_gb': 0,
|
|
'provisioned_capacity_gb': 0,
|
|
'QoS_support': 'False',
|
|
'reserved_percentage': 0,
|
|
},
|
|
],
|
|
'timestamp': None,
|
|
}
|
|
|
|
# test update HostState Record
|
|
fake_host.update_from_volume_capability(capability)
|
|
|
|
self.assertEqual('1.0.2', fake_host.driver_version)
|
|
|
|
# Non-active pool stats has been removed
|
|
self.assertEqual(1, len(fake_host.pools))
|
|
|
|
self.assertRaises(KeyError, lambda: fake_host.pools['1st pool'])
|
|
self.assertRaises(KeyError, lambda: fake_host.pools['2nd pool'])
|
|
|
|
self.assertEqual(10000, fake_host.pools['3rd pool'].total_capacity_gb)
|
|
self.assertEqual(10000, fake_host.pools['3rd pool'].free_capacity_gb)
|
|
self.assertEqual(0,
|
|
fake_host.pools['3rd pool'].provisioned_capacity_gb)
|
|
|
|
def test_update_from_volume_infinite_capability(self):
|
|
fake_host = host_manager.HostState('host1')
|
|
self.assertIsNone(fake_host.free_capacity_gb)
|
|
|
|
volume_capability = {'total_capacity_gb': 'infinite',
|
|
'free_capacity_gb': 'infinite',
|
|
'reserved_percentage': 0,
|
|
'timestamp': None}
|
|
|
|
fake_host.update_from_volume_capability(volume_capability)
|
|
# Backend level stats remain uninitialized
|
|
self.assertEqual(0, fake_host.total_capacity_gb)
|
|
self.assertEqual(None, fake_host.free_capacity_gb)
|
|
# Pool stats has been updated
|
|
self.assertEqual(
|
|
'infinite',
|
|
fake_host.pools['_pool0'].total_capacity_gb)
|
|
self.assertEqual(
|
|
'infinite',
|
|
fake_host.pools['_pool0'].free_capacity_gb)
|
|
|
|
def test_update_from_volume_unknown_capability(self):
|
|
fake_host = host_manager.HostState('host1')
|
|
self.assertIsNone(fake_host.free_capacity_gb)
|
|
|
|
volume_capability = {'total_capacity_gb': 'infinite',
|
|
'free_capacity_gb': 'unknown',
|
|
'reserved_percentage': 0,
|
|
'timestamp': None}
|
|
|
|
fake_host.update_from_volume_capability(volume_capability)
|
|
# Backend level stats remain uninitialized
|
|
self.assertEqual(0, fake_host.total_capacity_gb)
|
|
self.assertEqual(None, fake_host.free_capacity_gb)
|
|
# Pool stats has been updated
|
|
self.assertEqual(
|
|
'infinite',
|
|
fake_host.pools['_pool0'].total_capacity_gb)
|
|
self.assertEqual(
|
|
'unknown',
|
|
fake_host.pools['_pool0'].free_capacity_gb)
|
|
|
|
def test_update_from_empty_volume_capability(self):
|
|
fake_host = host_manager.HostState('host1')
|
|
|
|
vol_cap = {'timestamp': None}
|
|
|
|
fake_host.update_from_volume_capability(vol_cap)
|
|
self.assertEqual(0, fake_host.total_capacity_gb)
|
|
self.assertEqual(None, fake_host.free_capacity_gb)
|
|
# Pool stats has been updated
|
|
self.assertEqual(0,
|
|
fake_host.pools['_pool0'].total_capacity_gb)
|
|
self.assertEqual(0,
|
|
fake_host.pools['_pool0'].free_capacity_gb)
|
|
self.assertEqual(0,
|
|
fake_host.pools['_pool0'].provisioned_capacity_gb)
|
|
|
|
|
|
class PoolStateTestCase(test.TestCase):
|
|
"""Test case for HostState class."""
|
|
|
|
def test_update_from_volume_capability(self):
|
|
fake_pool = host_manager.PoolState('host1', None, 'pool0')
|
|
self.assertIsNone(fake_pool.free_capacity_gb)
|
|
|
|
volume_capability = {'total_capacity_gb': 1024,
|
|
'free_capacity_gb': 512,
|
|
'reserved_percentage': 0,
|
|
'provisioned_capacity_gb': 512,
|
|
'timestamp': None,
|
|
'cap1': 'val1',
|
|
'cap2': 'val2'}
|
|
|
|
fake_pool.update_from_volume_capability(volume_capability)
|
|
self.assertEqual('host1#pool0', fake_pool.host)
|
|
self.assertEqual('pool0', fake_pool.pool_name)
|
|
self.assertEqual(1024, fake_pool.total_capacity_gb)
|
|
self.assertEqual(512, fake_pool.free_capacity_gb)
|
|
self.assertEqual(512,
|
|
fake_pool.provisioned_capacity_gb)
|
|
|
|
self.assertDictMatch(fake_pool.capabilities, volume_capability)
|