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# 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 unittest import mock
from nova import objects
from nova.scheduler.filters import aggregate_instance_extra_specs as agg_specs
from nova import test
from nova.tests.unit.scheduler import fakes
@mock.patch('nova.scheduler.filters.utils.aggregate_metadata_get_by_host')
class TestAggregateInstanceExtraSpecsFilter(test.NoDBTestCase):
def setUp(self):
super(TestAggregateInstanceExtraSpecsFilter, self).setUp()
self.filt_cls = agg_specs.AggregateInstanceExtraSpecsFilter()
def test_aggregate_filter_passes_no_extra_specs(self, agg_mock):
capabilities = {'opt1': 1, 'opt2': 2}
spec_obj = objects.RequestSpec(
context=mock.sentinel.ctx,
flavor=objects.Flavor(memory_mb=1024))
host = fakes.FakeHostState('host1', 'node1', capabilities)
self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
self.assertFalse(agg_mock.called)
def test_aggregate_filter_passes_empty_extra_specs(self, agg_mock):
capabilities = {'opt1': 1, 'opt2': 2}
spec_obj = objects.RequestSpec(
context=mock.sentinel.ctx,
flavor=objects.Flavor(memory_mb=1024, extra_specs={}))
host = fakes.FakeHostState('host1', 'node1', capabilities)
self.assertTrue(self.filt_cls.host_passes(host, spec_obj))
self.assertFalse(agg_mock.called)
def _do_test_aggregate_filter_extra_specs(self, especs, passes):
spec_obj = objects.RequestSpec(
context=mock.sentinel.ctx,
flavor=objects.Flavor(memory_mb=1024, extra_specs=especs))
host = fakes.FakeHostState('host1', 'node1',
{'free_ram_mb': 1024})
assertion = self.assertTrue if passes else self.assertFalse
assertion(self.filt_cls.host_passes(host, spec_obj))
def test_aggregate_filter_passes_extra_specs_simple(self, agg_mock):
agg_mock.return_value = {'opt1': set(['1']), 'opt2': set(['2'])}
especs = {
# Un-scoped extra spec
'opt1': '1',
# Scoped extra spec that applies to this filter
'aggregate_instance_extra_specs:opt2': '2',
}
self._do_test_aggregate_filter_extra_specs(especs, passes=True)
def test_aggregate_filter_passes_extra_specs_simple_comma(self, agg_mock):
agg_mock.return_value = {'opt1': set(['1', '3']), 'opt2': set(['2'])}
especs = {
# Un-scoped extra spec
'opt1': '1',
# Scoped extra spec that applies to this filter
'aggregate_instance_extra_specs:opt1': '3',
}
self._do_test_aggregate_filter_extra_specs(especs, passes=True)
def test_aggregate_filter_passes_with_key_same_as_scope(self, agg_mock):
agg_mock.return_value = {'aggregate_instance_extra_specs': set(['1'])}
especs = {
# Un-scoped extra spec, make sure we don't blow up if it
# happens to match our scope.
'aggregate_instance_extra_specs': '1',
}
self._do_test_aggregate_filter_extra_specs(especs, passes=True)
def test_aggregate_filter_fails_extra_specs_simple(self, agg_mock):
agg_mock.return_value = {'opt1': set(['1']), 'opt2': set(['2'])}
especs = {
'opt1': '1',
'opt2': '222'
}
self._do_test_aggregate_filter_extra_specs(especs, passes=False)
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