@argh_named("wait")
    @arg_full_match
    @argh.arg('target', type=str, help='target systems/nodes (regexp)')
    @argh.arg('--state', type=str, default="running",
              help="target instance state, default: 'running'")
    @expects_obj
    def handle_cloud_wait(self, arg):
        confman = self.get_confman(arg.root_dir, reset_cache=False)
        return self.cloud_op(confman, arg, False)
wait cloud instances to reach a specific running state
dataset/ETHPy150Open ohmu/poni/poni/tool.py/Tool.handle_cloud_wait