def missing(name, limit=''):
    if limit == 'upstart':
        return not _service_is_upstart(name)
    elif limit == 'sysvinit':
        return not _service_is_sysv(name)
    else:
        if _service_is_upstart(name) or _service_is_sysv(name):
            return False
        else:
            return True
The inverse of service.available.
dataset/ETHPy150Open saltstack/salt/salt/modules/rh_service.py/missing