58 lines
2.2 KiB
Python
58 lines
2.2 KiB
Python
# Copyright 2020, Red Hat, Inc. All Rights Reserved.
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#
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# 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.api import client
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from nova.tests.functional import integrated_helpers
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class TestDetachVolumeWhileComputeDown(integrated_helpers._IntegratedTestBase):
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"""Regression test for bug 1909120
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This regression test aims to assert the behaviour of the
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os-volume_attachments API when removing a volume attachment from an
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instance hosted on a down compute.
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"""
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microversion = 'latest'
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def test_volume_detach_while_compute_down(self):
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# Launch a test instance
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server = self._create_server(networks='none')
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# Attach the volume
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volume_id = self.cinder.IMAGE_BACKED_VOL
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self.api.post_server_volume(
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server['id'],
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{'volumeAttachment': {'volumeId': volume_id}}
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)
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# Assert that the volume is attached in Nova
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attachment = self.api.get_server_volumes(server['id'])[0]
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self.assertEqual(volume_id, attachment.get('volumeId'))
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# Assert that the volume is attached in the Cinder fixture
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self.assertIn(
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volume_id, self.cinder.volume_ids_for_instance(server['id']))
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# Stop and force down the compute
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self.compute.stop()
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compute_id = self.admin_api.get_services(
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binary='nova-compute')[0]['id']
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self.admin_api.put_service_force_down(compute_id, True)
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# Assert that the request is rejected by n-api with a 409 response
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ex = self.assertRaises(
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client.OpenStackApiException,
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self.api.delete_server_volume, server['id'], volume_id)
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self.assertEqual(409, ex.response.status_code)
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