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| 1 | +# Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 2 | +# not use this file except in compliance with the License. You may obtain |
| 3 | +# a copy of the License at |
| 4 | +# |
| 5 | +# http://www.apache.org/licenses/LICENSE-2.0 |
| 6 | +# |
| 7 | +# Unless required by applicable law or agreed to in writing, software |
| 8 | +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 9 | +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 10 | +# License for the specific language governing permissions and limitations |
| 11 | +# under the License. |
| 12 | +from unittest import mock |
| 13 | + |
| 14 | +from nova import context |
| 15 | +from nova.objects import compute_node |
| 16 | +from nova import test |
| 17 | +from nova.tests import fixtures as nova_fixtures |
| 18 | +from nova.tests.functional import fixtures as func_fixtures |
| 19 | +from nova.tests.functional import integrated_helpers |
| 20 | + |
| 21 | + |
| 22 | +class UnshelveUpdateAvailableResourcesPeriodicRace( |
| 23 | + test.TestCase, integrated_helpers.InstanceHelperMixin): |
| 24 | + def setUp(self): |
| 25 | + super(UnshelveUpdateAvailableResourcesPeriodicRace, self).setUp() |
| 26 | + |
| 27 | + placement = func_fixtures.PlacementFixture() |
| 28 | + self.useFixture(placement) |
| 29 | + self.placement = placement.api |
| 30 | + self.neutron = nova_fixtures.NeutronFixture(self) |
| 31 | + self.useFixture(self.neutron) |
| 32 | + self.useFixture(nova_fixtures.GlanceFixture(self)) |
| 33 | + # Start nova services. |
| 34 | + self.api = self.useFixture(nova_fixtures.OSAPIFixture( |
| 35 | + api_version='v2.1')).admin_api |
| 36 | + self.api.microversion = 'latest' |
| 37 | + self.notifier = self.useFixture( |
| 38 | + nova_fixtures.NotificationFixture(self)) |
| 39 | + |
| 40 | + self.start_service('conductor') |
| 41 | + self.start_service('scheduler') |
| 42 | + |
| 43 | + def test_unshelve_spawning_update_available_resources(self): |
| 44 | + compute = self._start_compute('compute1') |
| 45 | + |
| 46 | + server = self._create_server( |
| 47 | + networks=[{'port': self.neutron.port_1['id']}]) |
| 48 | + |
| 49 | + node = compute_node.ComputeNode.get_by_nodename( |
| 50 | + context.get_admin_context(), 'compute1') |
| 51 | + self.assertEqual(1, node.vcpus_used) |
| 52 | + |
| 53 | + # with default config shelve means immediate offload as well |
| 54 | + req = { |
| 55 | + 'shelve': {} |
| 56 | + } |
| 57 | + self.api.post_server_action(server['id'], req) |
| 58 | + self._wait_for_server_parameter( |
| 59 | + server, {'status': 'SHELVED_OFFLOADED', |
| 60 | + 'OS-EXT-SRV-ATTR:host': None}) |
| 61 | + |
| 62 | + node = compute_node.ComputeNode.get_by_nodename( |
| 63 | + context.get_admin_context(), 'compute1') |
| 64 | + self.assertEqual(0, node.vcpus_used) |
| 65 | + |
| 66 | + def fake_spawn(*args, **kwargs): |
| 67 | + self._run_periodics() |
| 68 | + |
| 69 | + with mock.patch.object( |
| 70 | + compute.driver, 'spawn', side_effect=fake_spawn): |
| 71 | + req = {'unshelve': None} |
| 72 | + self.api.post_server_action(server['id'], req) |
| 73 | + self.notifier.wait_for_versioned_notifications( |
| 74 | + 'instance.unshelve.start') |
| 75 | + self._wait_for_server_parameter( |
| 76 | + server, |
| 77 | + { |
| 78 | + 'status': 'ACTIVE', |
| 79 | + 'OS-EXT-STS:task_state': None, |
| 80 | + 'OS-EXT-SRV-ATTR:host': 'compute1', |
| 81 | + }) |
| 82 | + |
| 83 | + node = compute_node.ComputeNode.get_by_nodename( |
| 84 | + context.get_admin_context(), 'compute1') |
| 85 | + # After the fix, the instance should have resources claimed |
| 86 | + self.assertEqual(1, node.vcpus_used) |
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