def set_machine_power_on(self, name_or_id):
        self._set_machine_power_state(name_or_id, 'on')
If option_value is not None, then return it. Otherwise get the result from 
dataset/ETHPy150Open openstack-infra/shade/shade/operatorcloud.py/OperatorCloud.set_machine_power_on--crossover with--dataset/ETHPy150Open limodou/uliweb/uliweb/core/commands.py/get_input