def test_run_attach_detach_volume(self): """Make sure volume can be attached and detached from instance.""" inst = {} inst['image_id'] = 1 inst['reservation_id'] = 'r-fakeres' inst['launch_time'] = '10' inst['user_id'] = 'fake' inst['project_id'] = 'fake' inst['instance_type_id'] = '2' # m1.tiny inst['ami_launch_index'] = 0 instance_id = db.instance_create(self.context, inst)['id'] mountpoint = "/dev/sdf" volume_id = self._create_volume() self.volume.create_volume(self.context, volume_id) if FLAGS.fake_tests: db.volume_attached(self.context, volume_id, instance_id, mountpoint) else: self.compute.attach_volume(self.context, instance_id, volume_id, mountpoint) vol = db.volume_get(context.get_admin_context(), volume_id) self.assertEqual(vol['status'], "in-use") self.assertEqual(vol['attach_status'], "attached") self.assertEqual(vol['mountpoint'], mountpoint) instance_ref = db.volume_get_instance(self.context, volume_id) self.assertEqual(instance_ref['id'], instance_id) self.assertRaises(exception.Error, self.volume.delete_volume, self.context, volume_id) if FLAGS.fake_tests: db.volume_detached(self.context, volume_id) else: self.compute.detach_volume(self.context, instance_id, volume_id) vol = db.volume_get(self.context, volume_id) self.assertEqual(vol['status'], "available") self.volume.delete_volume(self.context, volume_id) self.assertRaises(exception.VolumeNotFound, db.volume_get, self.context, volume_id) db.instance_destroy(self.context, instance_id)
def _detach_volume(self, volume_id_list): """Detach volumes from an instance.""" for volume_id in volume_id_list: db.volume_detached(self.context, volume_id) self.volume.delete_volume(self.context, volume_id)