93 lines
3.9 KiB
Python
93 lines
3.9 KiB
Python
# Copyright 2019 Red Hat
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# 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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import testtools
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from tempest.api.compute.volumes import test_attach_volume
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from tempest.common.utils.linux import remote_client
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from tempest.common import waiters
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from tempest import config
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from whitebox_tempest_plugin.api.compute import base
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from whitebox_tempest_plugin.services import clients
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CONF = config.CONF
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class VolumesAdminNegativeTest(base.BaseWhiteboxComputeTest,
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test_attach_volume.BaseAttachVolumeTest):
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@classmethod
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def skip_checks(cls):
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super(VolumesAdminNegativeTest, cls).skip_checks()
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if not CONF.service_available.cinder:
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skip_msg = ("%s skipped as Cinder is not available" % cls.__name__)
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raise cls.skipException(skip_msg)
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@classmethod
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def setup_credentials(cls):
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cls.prepare_instance_network()
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super(VolumesAdminNegativeTest, cls).setup_credentials()
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@testtools.skipUnless(
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CONF.validation.run_validation,
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'ssh to instance will not work without run validation enabled.')
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def test_detach_failure(self):
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"""Assert that volumes remain in-use and attached after detach failure
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"""
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server, validation_resources = self._create_server()
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# NOTE: Create one remote client used throughout the test.
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linux_client = remote_client.RemoteClient(
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self.get_server_ip(server, validation_resources),
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self.image_ssh_user,
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self.image_ssh_password,
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validation_resources['keypair']['private_key'],
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server=server,
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servers_client=self.servers_client)
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# NOTE: We need to ensure the ssh key has been injected in the
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# guest before we power cycle
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linux_client.validate_authentication()
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disks_before_attach = linux_client.list_disks()
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volume = self.create_volume()
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# Attach the volume
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attachment = self.attach_volume(server, volume)
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waiters.wait_for_volume_resource_status(
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self.volumes_client, attachment['volumeId'], 'in-use')
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disks_after_attach = linux_client.list_disks()
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self.assertGreater(
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len(disks_after_attach),
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len(disks_before_attach))
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host = self.get_host_for_server(server['id'])
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with clients.ServiceManager(host, 'libvirt').stopped():
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# While this call to n-api will return successfully the underlying
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# call to the virt driver will fail as the libvirt service is
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# stopped.
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self.servers_client.detach_volume(server['id'],
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attachment['volumeId'])
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waiters.wait_for_volume_resource_status(
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self.volumes_client, attachment['volumeId'], 'in-use')
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disks_after_failed_detach = linux_client.list_disks()
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self.assertEqual(
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len(disks_after_failed_detach), len(disks_after_attach))
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# This will be a successful detach as libvirt is started again
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self.servers_client.detach_volume(server['id'], attachment['volumeId'])
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waiters.wait_for_volume_resource_status(
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self.volumes_client, attachment['volumeId'], 'available')
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disks_after_detach = linux_client.list_disks()
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self.assertEqual(len(disks_before_attach), len(disks_after_detach))
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