How to use _detach_multiattach_volume method in tempest

Best Python code snippet using tempest_python

test_attach_volume.py

Source:test_attach_volume.py Github

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...268 # 'reserve' the volume which puts it back into 'attaching' status269 # and then the volume shouldn't go back to in-use until the compute270 # actually attaches the server to the volume.271 return attachments272 def _detach_multiattach_volume(self, volume_id, server_id):273 """Detaches a multiattach volume from the given server.274 Depending on the number of attachments the volume has, this method275 will wait for the volume to go to back to 'in-use' status if there are276 more attachments or 'available' state if there are no more attachments.277 """278 # Count the number of attachments before starting the detach.279 volume = self.volumes_client.show_volume(volume_id)['volume']280 attachments = volume['attachments']281 wait_status = 'in-use' if len(attachments) > 1 else 'available'282 # Now detach the volume from the given server.283 self.servers_client.detach_volume(server_id, volume_id)284 # Now wait for the volume status to change.285 waiters.wait_for_volume_resource_status(286 self.volumes_client, volume_id, wait_status)287 def _create_multiattach_volume(self, bootable=False):288 kwargs = {}289 if bootable:290 kwargs['image_ref'] = CONF.compute.image_ref291 return self.create_volume(multiattach=True, **kwargs)292 def _create_and_multiattach(self):293 """Creates two server instances and a volume and attaches to both.294 :returns: A three-item tuple of the list of created servers,295 the created volume, and dict of server ID to volumeAttachment296 dict entries297 """298 servers = []299 for x in range(2):300 name = 'multiattach-server-%i' % x301 servers.append(self.create_test_server(name=name))302 # Now wait for the servers to be ACTIVE.303 for server in servers:304 waiters.wait_for_server_status(self.servers_client, server['id'],305 'ACTIVE')306 volume = self._create_multiattach_volume()307 # Attach the volume to the servers308 attachments = self._attach_volume_to_servers(volume, servers)309 return servers, volume, attachments310 @decorators.idempotent_id('8d5853f7-56e7-4988-9b0c-48cea3c7049a')311 def test_list_get_volume_attachments_multiattach(self):312 # Attach a single volume to two servers.313 servers, volume, attachments = self._create_and_multiattach()314 # List attachments from the volume and make sure the server uuids315 # are in that list.316 vol_attachments = self.volumes_client.show_volume(317 volume['id'])['volume']['attachments']318 attached_server_ids = [attachment['server_id']319 for attachment in vol_attachments]320 self.assertEqual(2, len(attached_server_ids))321 # List Volume attachment of the servers322 for server in servers:323 self.assertIn(server['id'], attached_server_ids)324 vol_attachments = self.servers_client.list_volume_attachments(325 server['id'])['volumeAttachments']326 self.assertEqual(1, len(vol_attachments))327 attachment = attachments[server['id']]328 self.assertDictEqual(attachment, vol_attachments[0])329 # Detach the volume from this server.330 self._detach_multiattach_volume(volume['id'], server['id'])331 def _boot_from_multiattach_volume(self):332 """Boots a server from a multiattach volume.333 The volume will not be deleted when the server is deleted.334 :returns: 2-item tuple of (server, volume)335 """336 volume = self._create_multiattach_volume(bootable=True)337 # Now create a server from the bootable volume.338 bdm = [{339 'uuid': volume['id'],340 'source_type': 'volume',341 'destination_type': 'volume',342 'boot_index': 0,343 'delete_on_termination': False}]344 server = self.create_test_server(345 image_id='', block_device_mapping_v2=bdm, wait_until='ACTIVE')346 # Assert the volume is attached to the server.347 attachments = self.servers_client.list_volume_attachments(348 server['id'])['volumeAttachments']349 self.assertEqual(1, len(attachments))350 self.assertEqual(volume['id'], attachments[0]['volumeId'])351 return server, volume352 @decorators.idempotent_id('65e33aa2-185b-44c8-b22e-e524973ed625')353 def test_boot_from_multiattach_volume(self):354 """Simple test to boot an instance from a multiattach volume."""355 self._boot_from_multiattach_volume()356 @utils.services('image')357 @decorators.idempotent_id('885ac48a-2d7a-40c5-ae8b-1993882d724c')358 def test_snapshot_volume_backed_multiattach(self):359 """Boots a server from a multiattach volume and snapshots the server.360 Creating the snapshot of the server will also create a snapshot of361 the volume.362 """363 server, volume = self._boot_from_multiattach_volume()364 # Create a snapshot of the server (and volume implicitly).365 self.create_image_from_server(366 server['id'], name='multiattach-snapshot',367 wait_until='active', wait_for_server=True)368 # TODO(mriedem): Make sure the volume snapshot exists. This requires369 # adding the volume snapshots client to BaseV2ComputeTest.370 # Delete the server, wait for it to be gone, and make sure the volume371 # still exists.372 self.servers_client.delete_server(server['id'])373 waiters.wait_for_server_termination(self.servers_client, server['id'])374 # Delete the volume and cascade the delete of the volume snapshot.375 self.volumes_client.delete_volume(volume['id'], cascade=True)376 # Now we have to wait for the volume to be gone otherwise the normal377 # teardown will fail since it will race with our call and the snapshot378 # might still exist.379 self.volumes_client.wait_for_resource_deletion(volume['id'])380 @decorators.idempotent_id('f01c7169-a124-4fc7-ae60-5e380e247c9c')381 @testtools.skipUnless(CONF.compute_feature_enabled.resize,382 'Resize not available.')383 def test_resize_server_with_multiattached_volume(self):384 # Attach a single volume to multiple servers, then resize the servers385 servers, volume, _ = self._create_and_multiattach()386 for server in servers:387 self.resize_server(server['id'], self.flavor_ref_alt)388 for server in servers:389 self._detach_multiattach_volume(volume['id'], server['id'])390 # TODO(mriedem): Might be interesting to create a bootable multiattach391 # volume with delete_on_termination=True, create server1 from the392 # volume, then attach it to server2, and then delete server1 in which393 # case the volume won't be deleted because it's still attached to...

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