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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from openstack.block_storage.v3 import volume as _volume
from openstack.compute.v2 import server as _server
from openstack.compute.v2 import volume_attachment as _volume_attachment
from openstack.tests.functional.compute import base
class TestServerVolumeAttachment(base.BaseComputeTest):
def setUp(self):
super().setUp()
if not self.user_cloud.has_service('block-storage'):
self.skipTest('block-storage service not supported by cloud')
self.server_name = self.getUniqueString()
self.volume_name = self.getUniqueString()
# create the server and volume
server = self.user_cloud.compute.create_server(
name=self.server_name,
flavor_id=self.flavor.id,
image_id=self.image.id,
networks='none',
)
self.user_cloud.compute.wait_for_server(
server, wait=self._wait_for_timeout
)
self.addCleanup(self._delete_server, server)
self.assertIsInstance(server, _server.Server)
self.assertEqual(self.server_name, server.name)
volume = self.user_cloud.block_storage.create_volume(
name=self.volume_name, size=1
)
self.user_cloud.block_storage.wait_for_status(
volume, status='available', wait=self._wait_for_timeout
)
self.addCleanup(self._delete_volume, volume)
self.assertIsInstance(volume, _volume.Volume)
self.assertEqual(self.volume_name, volume.name)
self.server = server
self.volume = volume
def _delete_server(self, server):
self.user_cloud.compute.delete_server(server.id)
self.user_cloud.compute.wait_for_delete(
server, wait=self._wait_for_timeout
)
def _delete_volume(self, volume):
self.user_cloud.block_storage.delete_volume(volume.id)
self.user_cloud.block_storage.wait_for_delete(
volume, wait=self._wait_for_timeout
)
def test_volume_attachment(self):
# create the volume attachment
volume_attachment = self.user_cloud.compute.create_volume_attachment(
self.server, self.volume
)
self.assertIsInstance(
volume_attachment, _volume_attachment.VolumeAttachment
)
self.user_cloud.block_storage.wait_for_status(
self.volume, status='in-use', wait=self._wait_for_timeout
)
# list all attached volume attachments (there should only be one)
volume_attachments = list(
self.user_cloud.compute.volume_attachments(self.server)
)
self.assertEqual(1, len(volume_attachments))
self.assertIsInstance(
volume_attachments[0], _volume_attachment.VolumeAttachment
)
# update the volume attachment
volume_attachment = self.user_cloud.compute.update_volume_attachment(
self.server, self.volume, delete_on_termination=True
)
self.assertIsInstance(
volume_attachment, _volume_attachment.VolumeAttachment
)
# retrieve details of the (updated) volume attachment
volume_attachment = self.user_cloud.compute.get_volume_attachment(
self.server, self.volume
)
self.assertIsInstance(
volume_attachment, _volume_attachment.VolumeAttachment
)
self.assertTrue(volume_attachment.delete_on_termination)
# delete the volume attachment
result = self.user_cloud.compute.delete_volume_attachment(
self.server, self.volume, ignore_missing=False
)
self.assertIsNone(result)
self.user_cloud.block_storage.wait_for_status(
self.volume, status='available', wait=self._wait_for_timeout
)
# Wait for the attachment to be deleted.
# This is done to prevent a race between the BDM
# record being deleted and we trying to delete the server.
self.user_cloud.compute.wait_for_delete(
volume_attachment, wait=self._wait_for_timeout
)
# Verify the server doesn't have any volume attachment
volume_attachments = list(
self.user_cloud.compute.volume_attachments(self.server)
)
self.assertEqual(0, len(volume_attachments))
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