{
    "name"  : "带机数检查",
    "problems" : {
        "flowAudit" : {
            "desc"      : "【问题】内网用户数超过设备支持的带机数",
            "advice"    : "【建议】内网用户数超过设备支持的带机数，可能导致部分用户上网异常。更换更高端型号设备。优化风险：联系400进一步确认。"
        }
    }
}
---------------------------code-------------------------------
res = cli("show flow-audit node-info")
resArr = res.split(/\r?\n/)
i = 3
while i < (resArr.length - 1) :
    resSingal = resArr[i]
    resSingal = resSingal.trim()
    resSingalArr = resSingal.split(/\s+/)
    free = resSingalArr[2]
    if free == 0 :
        add_problem("flowAudit")
        return "warn"
    end
    i = i + 1
end

return "success"