[Xymon] FreeBSD [ifstat] processing

[Nico]

Hi Mark,

You made my day!

I was experiencing some weird issue on some boxes  (vtnetX) and other were good (em0 which is short).

Thanks for spotting this issue and especially with the quick fix.

Regards
Nicolas Lienard



> Le 15 déc. 2015 à 19:28, Mark Felder <feld at feld.me> a écrit :
> 
> 
> 
> On Mon, Dec 14, 2015, at 11:24, Nico wrote:
>> 
>> So I'm proposing that the FreeBSD client be adjusted from this:
>> 
>> echo "[ifstat]"
>> netstat -i -b -n | egrep -v "^lo|<Link"
>> 
>> To this:
>> 
>> echo "[ifstat]"
>> netstat -i -b -n | egrep "<Link"
>> 
>> Seem reasonable?  Would anyone be adversely impacted by this suggested
>> change?
>> 
> 
> I just discovered a bug here, too. We need the -W flag for netstat to
> not truncate interface names.
> 
> before:
> 
> # netstat -ibn | egrep "<Link|Name" | grep -v ^lo
> Name    Mtu Network       Address              Ipkts Ierrs Idrop
> Ibytes    Opkts Oerrs     Obytes  Coll
> re0    1500 <Link#1>      00:0d:b9:34:19:5c 128999557     0     0
> 179670093890 69675563     0 15695977843     0
> re1    1500 <Link#2>      00:0d:b9:34:19:5d 70513275     0     0
> 16032274028 128924310     0 177694695608     0
> re2*   1500 <Link#3>      00:0d:b9:34:19:5e        0     0     0
> 0        0     0          0     0
> bridg  1500 <Link#6>      02:77:b6:ed:58:00 70254277     0     0
> 16036199705 129805702   210 179003594406     0
> gif0   1280 <Link#7>      gif0               5346546     0     0
> 5718534418  4031610     6 2016239779     0
> tun0   1500 <Link#8>      tun0                   910     0     0
> 120939      969     0     654231     0
> tun1*  1500 <Link#9>      tun1                     0     0     0
> 0        0     0          0     0
> vlan5  1500 <Link#10>     00:0d:b9:34:19:5d   476021     0     0
> 68166196   593906     0  598099212     0
> 
> 
> after:
> 
> # netstat -ibnW | egrep "<Link|Name" | grep -v ^lo
> Name      Mtu Network                  Address
>        Ipkts Ierrs Idrop     Ibytes    Opkts Oerrs     Obytes  Coll
> re0      1500 <Link#1>                 00:0d:b9:34:19:5c
>     128999730     0     0 179670121877 69675731     0 15696092809
> 0
> re1      1500 <Link#2>                 00:0d:b9:34:19:5d
>     70513451     0     0 16032379270 128924498     0 177694722117
> 0
> re2*     1500 <Link#3>                 00:0d:b9:34:19:5e
>            0     0     0          0        0     0          0     0
> bridge0  1500 <Link#6>                 02:77:b6:ed:58:00
>     70254415     0     0 16036300636 129805863   210 179003607634
> 0
> gif0     1280 <Link#7>                 gif0
>      5346580     0     0 5718537650  4031628     6 2016242843     0
> tun0     1500 <Link#8>                 tun0
>          910     0     0     120939      969     0     654231     0
> tun1*    1500 <Link#9>                 tun1
>            0     0     0          0        0     0          0     0
> vlan5    1500 <Link#10>                00:0d:b9:34:19:5d
>       476054     0     0   68170092   593933     0  598112493     0
> 
> If we don't have the -W flag long interface names may be confused by
> Xymon. eg, bridge0 bridge1 bridge2 will all be seen as "bridg" like this
> rrd file indicates: data/gw.feld.me/ifstat.bridg.rrd
> 
> 
> --
> Mark Felder
> feld at feld.me

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