def run(self, deployer, state_persister):
        api = deployer.async_block_device_api
        return api.detach_volume(self.blockdevice_id)
Use the deployer's ``IBlockDeviceAPI`` to detach the volume.
dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/blockdevice.py/DetachVolume.run