def vol_get_usage_by_time(context, begin):
    return IMPL.vol_get_usage_by_time(context, begin)
Return the current state.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/db/api.py/vol_get_usage_by_time--crossover with--dataset/ETHPy150Open kdart/pycopia/SNMP/pycopia/Devices/ServerTechSentry3CDU.py/outlet.status