76 lines
3.2 KiB
Python
76 lines
3.2 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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from nova.tests.functional import integrated_helpers
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class TestEvacuateDeleteServerRestartOriginalCompute(
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integrated_helpers.ProviderUsageBaseTestCase):
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compute_driver = 'fake.SmallFakeDriver'
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def setUp(self):
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super(TestEvacuateDeleteServerRestartOriginalCompute, self).setUp()
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self.compute1 = self._start_compute(host='host1')
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self.compute2 = self._start_compute(host='host2')
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flavors = self.api.get_flavors()
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self.flavor1 = flavors[0]
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def test_evacuate_delete_server_restart_original_compute(self):
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"""Regression test for bug 1794996 where a server is successfully
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evacuated from a down host and then deleted. Then the source compute
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host is brought back online and attempts to cleanup the guest from
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the hypervisor and allocations for the evacuated (and now deleted)
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instance. Before the bug is fixed, the original compute fails to start
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because lazy-loading the instance.flavor on the deleted instance,
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which is needed to cleanup allocations from the source host, raises
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InstanceNotFound. After the bug is fixed, the original source host
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compute service starts up.
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"""
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source_hostname = self.compute1.host
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dest_hostname = self.compute2.host
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server = self._boot_and_check_allocations(
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self.flavor1, source_hostname)
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source_compute_id = self.admin_api.get_services(
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host=source_hostname, binary='nova-compute')[0]['id']
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self.compute1.stop()
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# force it down to avoid waiting for the service group to time out
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self.admin_api.put_service(
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source_compute_id, {'forced_down': 'true'})
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# evacuate the server
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server = self._evacuate_server(server, expected_host=dest_hostname)
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# Expect to have allocation and usages on both computes as the
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# source compute is still down
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source_rp_uuid = self._get_provider_uuid_by_host(source_hostname)
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dest_rp_uuid = self._get_provider_uuid_by_host(dest_hostname)
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self.assertFlavorMatchesUsage(source_rp_uuid, self.flavor1)
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self.assertFlavorMatchesUsage(dest_rp_uuid, self.flavor1)
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allocations = self._get_allocations_by_server_uuid(server['id'])
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self.assertEqual(2, len(allocations))
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self._check_allocation_during_evacuate(
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self.flavor1, server['id'], source_rp_uuid, dest_rp_uuid)
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# Delete the evacuated server. The allocations should be gone from
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# both the original evacuated-from host and the evacuated-to host.
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self._delete_and_check_allocations(server)
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# restart the source compute
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self.compute1 = self.restart_compute_service(self.compute1)
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