[hobbit] Sending data from script to an rrd

[Rob Munsch]

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Hubbard, Greg L wrote:
> Rob,
> 
> You are trying to combine two scripts into one.  Read the FAQ.

The faq, of note, has some contradictions, while we're on the subject.
Frex:

"If you want the graph included with the other graphs on the trends
column, you must add it to the GRAPHS setting in the
~hobbit/server/etc/hobbitserver.cfg file.


	GRAPHS="la,disk,<... lots more ...>,bbproxy,hobbitd,slab"

Okay. Did that with cputemp.  Then at the bottom:

"Make sure you have ncv listed in the GRAPHS setting in
hobbitserver.cfg. (Don't ask why - just take my word that it must be
there)."

Huh?  Does this refer to TEST2RRD and is a typo?  Does it mean the
"extra setting" vaguely described as

- -----
So we add an extra setting to hobbitserver.cfg:

	NCV_slab="inodecache:GAUGE,dentrycache:GAUGE"
- -----

which i kept after the existing statements in the Graph section, for
lack of any more specific notes.

Or does it mean that "ncv" must now appear in GRAPHS= by itself, and
this is the first mention of it?

I have spent all day working with this.  Please don't respond to threads
with "read the FAQ" when i quite obviously stated i have done so, and
they are definitely not written for the novice in any event.  It means
either you have not read what I have written, or that you feel I am in
some way not worth your time.  This is very frustrating.

Thank you.


> 
> -----Original Message-----
> From: Rob Munsch [mailto:rmunsch at solutionsforprogress.com] 
> Sent: Wednesday, October 18, 2006 2:13 PM
> To: hobbit at hswn.dk
> Subject: Re: [hobbit] Sending data from script to an rrd
> 
> Ralph Mitchell wrote:
>> On 10/18/06, Rob Munsch <rmunsch at solutionsforprogress.com> wrote:
>>>> When you add the --extra-script option in the [rrdstatus] block,
>>> Well i'm stuck already.  What file is that block in?  I can't find it
> 
>>> in 'server.cfg nor 'graph.cfg...
>> It's in server/etc/hobbitlaunch.cfg
> 
> yeah found that with a grep rrdstatus, heh oops.
> 
>>> So something like
>>>
>>> echo "DS:cputemp:GAUGE:600:0:U"
>>> echo "cputemp.rrd"
>>>
>>> probably isn't far off after all?
>> That should do it, yes.  That's the format for the RRD creation, and 
>> the name to create.  If you just want to push out one value, you'd 
>> follow that with:
> 
>>   echo "$temp"
> 
> I seem to still be doing something wrong...
> 
>> I don't think hobbit_rrd will recreate the rrd if it already exists, 
>> so you'd have to delete it sometime to get it rebuilt with the extra 
>> variables.  Wave bye-bye to your old data...
> 
> "Sir, I have no data."
> 
> Ok, so i did this
> 
> [cputemp]
>         TITLE CPU Temp
>         YAXIS Degrees Fahrenheit
>         DEF:avg=cputemp.rrd:cputemp:AVERAGE
>         AREA:cputemp#00CC00:CPU Temp Average
>         -u 1.0
>         GPRINT:cputemp:LAST: \: %5.11f (cur)
>         GPRINT:cputemp:MAX: \: %5.1lf (max)
>         GPRINT:cputemp:MIN: \: %5.1lf (min)
>         GPRINT:cputemp:AVERAGE: \: %5.1lf (avg)\n
> 
> and this
> 
> GRAPHS="la,disk,inode,qtree,memory,users,cputemp,.....8<...
> 
> as well, on the server.
> but what i get is a text link called
> 
> Status unchanged in 1 hours, 41 minutes
> Status message received from 10.10.10.12 hobbit graph cputemp
> 
> that leads to nothing.  Not even a "nan" graph :P
> 
> I think maybe by echo is in the wrong place...?  Should it be before or
> after the $BB msg command?  Does it matter?
> 
> hobbit at currant:~/client/ext$ cat cputemp.sh #!/bin/sh
> 
> umask 133
> 
> COLUMN=cputemp
> COLOR=green
> MSG="Current CPU Temperature: "
> host=`hostname`
> 
> ipmitool sensor | grep Temp | awk -F\| '{print $1,$2,$3,$4}' >
> $BBTMP/cputemp.$host
> 
> cpu_temp=`tail -n 4 $BBTMP/cputemp.$host |head -n 1 | awk '{print $2}'
> |sed 's/\..*//g'`
> # Converting to Fahrenheit.
> temp=$((${cpu_temp}*9/5+32))
> 
> # Ok, we have the temp in degrees as an integer.
> # Now to see if it's Bad, or even Very Bad.
> 
> if $temp > 130
> then
>         COLOR=red
>         MSG="${MSG} $temp degrees Fahrenheit!
> 
>         Hothothot!
>         "
> else
>         MSG="${MSG} $temp Degrees Fahrenheit
> 
>         Chillin' like a Villain.
>         "
> fi
> 
> echo "DS:cputemp:GAUGE:600:0:U"
> echo "cputemp.rrd"
> echo "$temp"
> 
> # Get this to the hobbit server
> $BB $BBDISP "status $MACHINE.$COLUMN $COLOR `date`
> 
> ${MSG}
> "
> 
> exit 0
> 
> 

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- --
Rob Munsch
Solutions For Progress IT
www.solutionsforprogress.com
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