[Xymon] Trending too many interfaces - see regex
Colin Coe
colin.coe at gmail.com
Fri Apr 29 02:25:40 CEST 2011
many thanks to all
This is now fixed with these changes:
On the test client:
--- /usr/lib/xymon/client/bin/xymonclient-linux.sh.orig 2011-04-29
08:22:18.000000000 +0800
+++ /usr/lib/xymon/client/bin/xymonclient-linux.sh 2011-04-29
08:23:06.000000000 +0800
@@ -64,7 +64,8 @@
# Bug in RedHat's netstat spews annoying error messages.
netstat -ant 2>/dev/null
echo "[ifstat]"
-/sbin/ifconfig
+/sbin/ifconfig bond2
+/sbin/ifconfig rhevm
# Report mdstat data if it exists
if test -r /proc/mdstat; then echo "[mdstat]"; cat /proc/mdstat; fi
echo "[ps]"
On the test xymon server:
diff -ru xymon-4.3.2.orig/xymond/rrd/do_ifstat.c
xymon-4.3.2/xymond/rrd/do_ifstat.c
--- xymon-4.3.2.orig/xymond/rrd/do_ifstat.c 2011-03-09
01:20:28.000000000 +0800
+++ xymon-4.3.2/xymond/rrd/do_ifstat.c 2011-04-29 07:20:41.929191659 +0800
@@ -19,7 +19,7 @@
/* eth0 Link encap: */
/* RX bytes: 1829192 (265.8 MiB) TX bytes: 1827320 (187.7 MiB */
static const char *ifstat_linux_exprs[] = {
- "^([a-z]+[0123456789.:]+|lo)\\s",
+ "^([a-z]+[0123456789.:]+|[A-Za-z]+|lo)\\s",
"^\\s+RX bytes:([0-9]+) .*TX bytes.([0-9]+) "
};
It would be great if the patch against do_ifstat.c could go in upstream.
Also, how would I get rid of the client side hack and put it into the
hosts.cfg (or more appropriate file)?
CC
On Thu, Apr 28, 2011 at 12:45 PM, Tim McCloskey <tm at freedom.com> wrote:
> minor corerction: Should have read '^rhevm[0-9.:]+'
>
> _______________________________________
> From: xymon-bounces at xymon.com [xymon-bounces at xymon.com] On Behalf Of Colin Coe [colin.coe at gmail.com]
> Sent: Wednesday, April 27, 2011 4:53 PM
> To: xymon at xymon.com
> Subject: Re: [Xymon] Trending too many interfaces
>
> Yep, in /usr/lib/xymon/client/bin/xymonclient-linux.sh I have:
> ---
> # Bug in RedHat's netstat spews annoying error messages.
> netstat -ant 2>/dev/null
> echo "[ifstat]"
> /sbin/ifconfig lo
> /sbin/ifconfig bond2
> /sbin/ifconfig rhevm
> # Report mdstat data if it exists
> ---
>
> However there is no rhevm interface listed on the trending page.
>
> CC
>
> On Thu, Apr 28, 2011 at 7:32 AM, Tim McCloskey <tm at freedom.com> wrote:
>> What shows up under 'Client data available' for the [ifconfig] and [ifstat] details? [ifconfig] should list all of the interfaces. [ifstat] should only show what you defined.
>>
>>> The only interfaces I want graphed are "rhevm" and "bond2".
>>
>> That would be:
>> echo "[ifstat]"
>> /sbin/ifconfig rhevm
>> /sbin/ifconfig bond2
>>
>> [ifstat] should show the output from the above commands, which should then be on the trends page under Network Traffic.
>>
>> I'll be taking a look at 4.3.2 sometime in the near future, maybe it's different there.
>>
>> Tim
>>
>> ________________________________________
>> From: xymon-bounces at xymon.com [xymon-bounces at xymon.com] On Behalf Of Colin Coe [colin.coe at gmail.com]
>> Sent: Wednesday, April 27, 2011 4:02 PM
>> To: xymon at xymon.com
>> Subject: Re: [Xymon] Trending too many interfaces
>>
>> Yeah, that's pretty much what I did, except I now notice that the
>> bridge interfaces are not listed on the trending page. One of these
>> bridge interfaces has an IP address and I'd like to trend it.
>>
>> I've done a few quick greps through the source but can't see where
>> these bridges a re being stripped out.
>>
>> CC
>>
>>
>> On Thu, Apr 28, 2011 at 12:14 AM, Tim McCloskey <tm at freedom.com> wrote:
>>> Colin,
>>>
>>> I have not installed any of the newer xymon versions, this is from 4.2.0.
>>>
>>> On a system with eth0->eth3 plumbed up I set the client shell script (client/bin/hobbitclient-linux.sh) to:
>>>
>>> echo "[ifstat]"
>>> /sbin/ifconfig eth0
>>> /sbin/ifconfig eth2
>>>
>>> Verified the data sent from one of the 'Client data available' data sets.
>>> Removed the rrd files for ifstat from the server for that client. (stopped/started the client).
>>>
>>> On the trends page I see eth0 and eth2 only, no eth1 or eth3.
>>>
>>> Yeah, it's a hack but it's fairly minor and should be easy enough to manage.
>>>
>>> Just my 3 cents.
>>>
>>> Tim
>>>
>>>
>>>
>>>
>>> ________________________________________
>>> From: xymon-bounces at xymon.com [xymon-bounces at xymon.com] On Behalf Of Colin Coe [colin.coe at gmail.com]
>>> Sent: Tuesday, April 26, 2011 8:19 PM
>>> To: xymon at xymon.com
>>> Subject: Re: [Xymon] Trending too many interfaces
>>>
>>> Hi Vernon and Tim
>>>
>>> I'm working in a new dev/test environment using Xymon 4.3.2.
>>>
>>> I'd wanted to avoid hacking the client-side script but if that's whats
>>> required, I'll have a look.
>>>
>>> TIA
>>>
>>> CC
>>>
>>> On Wed, Apr 27, 2011 at 11:01 AM, Tim McCloskey <tm at freedom.com> wrote:
>>>> This is a crazy guess, you don't mention which version of xymon so this may be way off. It may be way off anyway :)
>>>>
>>>> If you are talking about the trends/"Network Traffic" graph it seems to be getting that data from the 'ifstat' var.
>>>>
>>>> Some details follow.
>>>>
>>>> 1. what we graph for ifstat
>>>> hobbitgraph.cfg: FNPATTERN ifstat.(.+).rrd
>>>> See data/rrd/$hostname/ifstat.*
>>>>
>>>> 2. where ifstat originates
>>>> client/hobbitclient-linux.sh:
>>>> echo "[ifstat]"
>>>> /sbin/ifconfig
>>>>
>>>> 3. what happens to ifstat
>>>> hobbitd/client/linux.c: ifstatstr = getdata("ifstat");
>>>> hobbitd/client/linux.c: unix_ifstat_report(hostname, clienttype, os, hinfo, fromline, timestr, ifstatstr); <--- ifstatstr
>>>>
>>>> You should be able to modify the client shell script to report other than ifconfig -a (which seems to be what is currently captured). Of course, there must be a better way.
>>>>
>>>>
>>>> Regards,
>>>>
>>>> Tim
>>>>
>>>>
>>>> ________________________________________
>>>> From: xymon-bounces at xymon.com [xymon-bounces at xymon.com] On Behalf Of Colin Coe [colin.coe at gmail.com]
>>>> Sent: Tuesday, April 26, 2011 7:02 PM
>>>> To: xymon at xymon.com
>>>> Subject: Re: [Xymon] Trending too many interfaces
>>>>
>>>> Anyone have any thoughts on this?
>>>>
>>>> The only interfaces I want graphed are "rhevm" and "bond2".
>>>>
>>>
>>>
>>>
>>> --
>>> RHCE#805007969328369
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>>
>>
>>
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>
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