# 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 nova import objects from nova.scheduler.filters import compute_capabilities_filter from nova import test from nova.tests.unit.scheduler import fakes class TestComputeCapabilitiesFilter(test.NoDBTestCase): def setUp(self): super(TestComputeCapabilitiesFilter, self).setUp() self.filt_cls = compute_capabilities_filter.ComputeCapabilitiesFilter() def _do_test_compute_filter_extra_specs(self, ecaps, especs, passes): # In real OpenStack runtime environment,compute capabilities # value may be number, so we should use number to do unit test. capabilities = {} capabilities.update(ecaps) spec_obj = objects.RequestSpec( flavor=objects.Flavor(memory_mb=1024, extra_specs=especs)) host_state = {'free_ram_mb': 1024} host_state.update(capabilities) host = fakes.FakeHostState('host1', 'node1', host_state) assertion = self.assertTrue if passes else self.assertFalse assertion(self.filt_cls.host_passes(host, spec_obj)) def test_compute_filter_passes_without_extra_specs(self): spec_obj = objects.RequestSpec( flavor=objects.Flavor(memory_mb=1024)) host_state = {'free_ram_mb': 1024} host = fakes.FakeHostState('host1', 'node1', host_state) self.assertTrue(self.filt_cls.host_passes(host, spec_obj)) def test_compute_filter_fails_without_host_state(self): especs = {'capabilities:opts': '1'} spec_obj = objects.RequestSpec( flavor=objects.Flavor(memory_mb=1024, extra_specs=especs)) self.assertFalse(self.filt_cls.host_passes(None, spec_obj)) def test_compute_filter_fails_without_capabilities(self): cpu_info = """ { } """ cpu_info = str(cpu_info) self._do_test_compute_filter_extra_specs( ecaps={'cpu_info': cpu_info}, especs={'capabilities:cpu_info:vendor': 'Intel'}, passes=False) def test_compute_filter_pass_cpu_info_as_text_type(self): cpu_info = """ { "vendor": "Intel", "model": "core2duo", "arch": "i686","features": ["lahf_lm", "rdtscp"], "topology": {"cores": 1, "threads":1, "sockets": 1}} """ cpu_info = str(cpu_info) self._do_test_compute_filter_extra_specs( ecaps={'cpu_info': cpu_info}, especs={'capabilities:cpu_info:vendor': 'Intel'}, passes=True) def test_compute_filter_pass_cpu_info_with_backward_compatibility(self): cpu_info = """ { "vendor": "Intel", "model": "core2duo", "arch": "i686","features": ["lahf_lm", "rdtscp"], "topology": {"cores": 1, "threads":1, "sockets": 1}} """ cpu_info = str(cpu_info) self._do_test_compute_filter_extra_specs( ecaps={'cpu_info': cpu_info}, especs={'cpu_info': cpu_info}, passes=True) def test_compute_filter_fail_cpu_info_with_backward_compatibility(self): cpu_info = """ { "vendor": "Intel", "model": "core2duo", "arch": "i686","features": ["lahf_lm", "rdtscp"], "topology": {"cores": 1, "threads":1, "sockets": 1}} """ cpu_info = str(cpu_info) self._do_test_compute_filter_extra_specs( ecaps={'cpu_info': cpu_info}, especs={'cpu_info': ''}, passes=False) def test_compute_filter_fail_cpu_info_as_text_type_not_valid(self): cpu_info = "cpu_info" cpu_info = str(cpu_info) self._do_test_compute_filter_extra_specs( ecaps={'cpu_info': cpu_info}, especs={'capabilities:cpu_info:vendor': 'Intel'}, passes=False) def test_compute_filter_passes_extra_specs_simple(self): self._do_test_compute_filter_extra_specs( ecaps={'stats': {'opt1': 1, 'opt2': 2}}, especs={'opt1': '1', 'opt2': '2'}, passes=True) def test_compute_filter_fails_extra_specs_simple(self): self._do_test_compute_filter_extra_specs( ecaps={'stats': {'opt1': 1, 'opt2': 2}}, especs={'opt1': '1', 'opt2': '222'}, passes=False) def test_compute_filter_pass_extra_specs_simple_with_scope(self): self._do_test_compute_filter_extra_specs( ecaps={'stats': {'opt1': 1, 'opt2': 2}}, especs={'capabilities:opt1': '1'}, passes=True) def test_compute_filter_pass_extra_specs_same_as_scope(self): # Make sure this still works even if the key is the same as the scope self._do_test_compute_filter_extra_specs( ecaps={'capabilities': 1}, especs={'capabilities': '1'}, passes=True) def test_compute_filter_pass_self_defined_specs(self): # Make sure this will not reject user's self-defined,irrelevant specs self._do_test_compute_filter_extra_specs( ecaps={'opt1': 1, 'opt2': 2}, especs={'XXYY': '1'}, passes=True) def test_compute_filter_extra_specs_simple_with_wrong_scope(self): self._do_test_compute_filter_extra_specs( ecaps={'opt1': 1, 'opt2': 2}, especs={'wrong_scope:opt1': '1'}, passes=True) def test_compute_filter_extra_specs_pass_multi_level_with_scope(self): self._do_test_compute_filter_extra_specs( ecaps={'stats': {'opt1': {'a': 1, 'b': {'aa': 2}}, 'opt2': 2}}, especs={'opt1:a': '1', 'capabilities:opt1:b:aa': '2'}, passes=True) def test_compute_filter_pass_ram_with_backward_compatibility(self): self._do_test_compute_filter_extra_specs( ecaps={}, especs={'free_ram_mb': '>= 300'}, passes=True) def test_compute_filter_fail_ram_with_backward_compatibility(self): self._do_test_compute_filter_extra_specs( ecaps={}, especs={'free_ram_mb': '<= 300'}, passes=False) def test_compute_filter_pass_cpu_with_backward_compatibility(self): self._do_test_compute_filter_extra_specs( ecaps={}, especs={'vcpus_used': '<= 20'}, passes=True) def test_compute_filter_fail_cpu_with_backward_compatibility(self): self._do_test_compute_filter_extra_specs( ecaps={}, especs={'vcpus_used': '>= 20'}, passes=False) def test_compute_filter_pass_disk_with_backward_compatibility(self): self._do_test_compute_filter_extra_specs( ecaps={}, especs={'free_disk_mb': 0}, passes=True) def test_compute_filter_fail_disk_with_backward_compatibility(self): self._do_test_compute_filter_extra_specs( ecaps={}, especs={'free_disk_mb': 1}, passes=False)