65 lines
3.0 KiB
Python
65 lines
3.0 KiB
Python
# 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 nova import objects
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from nova.scheduler.filters import core_filter
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from nova import test
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from nova.tests.unit.scheduler import fakes
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class TestAggregateCoreFilter(test.NoDBTestCase):
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@mock.patch('nova.scheduler.filters.utils.aggregate_values_from_key')
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def test_aggregate_core_filter_value_error(self, agg_mock):
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self.filt_cls = core_filter.AggregateCoreFilter()
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spec_obj = objects.RequestSpec(
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context=mock.sentinel.ctx, flavor=objects.Flavor(vcpus=1))
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host = fakes.FakeHostState('host1', 'node1',
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{'vcpus_total': 4, 'vcpus_used': 7,
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'cpu_allocation_ratio': 2})
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agg_mock.return_value = set(['XXX'])
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self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
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agg_mock.assert_called_once_with(host, 'cpu_allocation_ratio')
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self.assertEqual(4 * 2, host.limits['vcpu'])
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@mock.patch('nova.scheduler.filters.utils.aggregate_values_from_key')
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def test_aggregate_core_filter_default_value(self, agg_mock):
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self.filt_cls = core_filter.AggregateCoreFilter()
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spec_obj = objects.RequestSpec(
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context=mock.sentinel.ctx, flavor=objects.Flavor(vcpus=1))
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host = fakes.FakeHostState('host1', 'node1',
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{'vcpus_total': 4, 'vcpus_used': 8,
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'cpu_allocation_ratio': 2})
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agg_mock.return_value = set([])
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# False: fallback to default flag w/o aggregates
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self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
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agg_mock.assert_called_once_with(host, 'cpu_allocation_ratio')
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# True: use ratio from aggregates
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agg_mock.return_value = set(['3'])
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self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
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self.assertEqual(4 * 3, host.limits['vcpu'])
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@mock.patch('nova.scheduler.filters.utils.aggregate_values_from_key')
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def test_aggregate_core_filter_conflict_values(self, agg_mock):
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self.filt_cls = core_filter.AggregateCoreFilter()
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spec_obj = objects.RequestSpec(
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context=mock.sentinel.ctx, flavor=objects.Flavor(vcpus=1))
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host = fakes.FakeHostState('host1', 'node1',
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{'vcpus_total': 4, 'vcpus_used': 8,
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'cpu_allocation_ratio': 1})
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agg_mock.return_value = set(['2', '3'])
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# use the minimum ratio from aggregates
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self.assertFalse(self.filt_cls.host_passes(host, spec_obj))
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self.assertEqual(4 * 2, host.limits['vcpu'])
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