def service_update(self, context, host_name, binary, params_to_update):
        return self.cells_rpcapi.service_update(
            context, host_name, binary, params_to_update)
Used to enable/disable a service. For compute services, setting to
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/compute/cells_api.py/HostAPI.service_update