def _get_instance_nw_info(self, context, instance, **kwargs):
        raise NotImplementedError()
Get the definition lazily, trigger Oozie API call at the first access.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/network/base_api.py/NetworkAPI._get_instance_nw_info--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/libs/liboozie/src/liboozie/types.py/Job._get_definition