__salt__ = {
    'cmd.run': salt.modules.cmdmod._run_quiet,
    'cmd.run_all': salt.modules.cmdmod._run_all_quiet
}


def facter():
    '''
    Return facter facts as grains.
    '''
    _check_facter()

    grains = {}
    try:
        output = __salt__['cmd.run']('facter -p -j')
    ...