99 lines
4.1 KiB
Python
99 lines
4.1 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 neutronclient.common import exceptions as neutron_exception
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from nova import test
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from nova.tests import fixtures as nova_fixtures
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from nova.tests.functional import integrated_helpers
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from nova.tests.unit import fake_notifier
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from nova.tests.unit.image import fake as fake_image
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from nova.virt import fake
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class UnshelveNeutronErrorTest(
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test.TestCase, integrated_helpers.InstanceHelperMixin):
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def setUp(self):
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super(UnshelveNeutronErrorTest, self).setUp()
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# Start standard fixtures.
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placement = nova_fixtures.PlacementFixture()
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self.useFixture(placement)
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self.placement_api = placement.api
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self.neutron = nova_fixtures.NeutronFixture(self)
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self.useFixture(self.neutron)
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fake_image.stub_out_image_service(self)
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self.addCleanup(fake_image.FakeImageService_reset)
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# Start nova services.
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self.api = self.useFixture(nova_fixtures.OSAPIFixture(
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api_version='v2.1')).admin_api
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self.api.microversion = 'latest'
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fake_notifier.stub_notifier(self)
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self.addCleanup(fake_notifier.reset)
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self.start_service('conductor')
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self.start_service('scheduler')
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self.addCleanup(fake.restore_nodes)
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fake.set_nodes(['host1'])
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self.start_service('compute', host='host1')
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fake.set_nodes(['host2'])
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self.start_service('compute', host='host2')
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def test_unshelve_offloaded_fails_due_to_neutron(self):
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server_req = self._build_minimal_create_server_request(
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self.api, name='unshelve-error-vm',
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image_uuid='155d900f-4e14-4e4c-a73d-069cbf4541e6',
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networks=[{'port': self.neutron.port_1['id']}], az='nova:host1')
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created_server = self.api.post_server({'server': server_req})
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server = self._wait_for_state_change(
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self.api, created_server, 'ACTIVE')
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# with default config shelve means immediate offload as well
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req = {
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'shelve': {}
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}
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self.api.post_server_action(server['id'], req)
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self._wait_for_server_parameter(
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self.api, server, {'status': 'SHELVED_OFFLOADED',
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'OS-EXT-SRV-ATTR:host': None})
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allocations = self.placement_api.get(
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'/allocations/%s' % server['id']).body['allocations']
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self.assertEqual(0, len(allocations))
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# disable the original host of the instance to force a port update
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# during unshelve
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source_service_id = self.api.get_services(
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host='host1', binary='nova-compute')[0]['id']
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self.api.put_service(source_service_id, {"status": "disabled"})
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# Simulate that port update fails during unshelve due to neutron is
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# unavailable
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with mock.patch(
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'nova.tests.fixtures.NeutronFixture.'
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'update_port') as mock_update_port:
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mock_update_port.side_effect = neutron_exception.ConnectionFailed(
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reason='test')
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req = {'unshelve': None}
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self.api.post_server_action(server['id'], req)
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fake_notifier.wait_for_versioned_notifications(
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'instance.unshelve.start')
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self._wait_for_server_parameter(
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self.api,
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server,
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{'status': 'SHELVED_OFFLOADED',
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'OS-EXT-STS:task_state': None,
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'OS-EXT-SRV-ATTR:host': None})
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# As the instance went back to offloaded state we expect no allocation
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allocations = self.placement_api.get(
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'/allocations/%s' % server['id']).body['allocations']
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self.assertEqual(0, len(allocations))
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