[rrd-users] ENC: MRTG Archiver

[Davi de Paula Cabral - DATAPREVRJ]

What do you mean by "archiving"?

I made a script that runs every midnight, reading the last 24 hours data of
the RRD databases, then putting data on CSV files , zipping them and storing
in separated folders.

Everybody, feel free for criticize. The "grep" part can be not necessary if
you use dots as decimal indicator; here in brazil we use commas; and dots we
use for thousand, million and so on.

The "today" folder stores the last information, without "zipping", ready for
use.

Why starting  "now - 60s" and ending "now - 86220"?

My MRTG runs every minute. I can't run script at 00:00 because at this time
is already another day, right? If I want to close  a day I have to work at
this end, not at the start of the following day. so I work at 23:59.

But I have no warranty that at 23:59 the corresponding fields of RRD
databases have data. So, I extract 60 seconds and start working with 23:58
data.

And the start? Well, 24h = 86400. Each day has 24h, right? Not exactly. If
"now" is 23:58, I can't take 23:58 yesterday. I will take 00:00, that is
86400 - 120 = 86280 seconds.

But remember, I've already subtracted 60 secods, but now I subtract 86220.

See below:

--------------------------

#!/bin/sh
ennd=$(date +%s)
ennd=$(( ennd - 60 ))
starrt=$(( ennd - 86220 ))
todday=$(date +%d-%B-%Y)
path=/var/ftp/logsmrtg/$todday
original=/var/ftp/logsmrtg/today
mkdir $path
rm -f $originais/*.*

cd /var/www/html
for databases in *.rrd; do
rrdtool fetch ${databases} AVERAGE --start $starrt --end $ennd >
$path/a${databases}.log
done

for databases in *.rrd; do
grep ':' $path/a${databases}.log | sed -e 's/: / /' | sed -e 's/\./,/' | sed
-e 's/\./,/' | tac > $original/${databases}.log
done

rm -f $path/*.*

cd $original
rename .rrd.log .log *.rrd.log
unix2dos -q *.log
chmod 755 *.*

tar -cf $path/${todday}.tar .
gzip -rvq $path/${todday}.tar
chmod 755 $path/*.*

--------------------------------
I hope confusion will help.
Davi
-*-*-*-*-*-*-*-*-

-----Mensagem original-----
De: postmaster at gnvfc.net [mailto:postmaster at gnvfc.net]
Enviada em: terca-feira, 23 de dezembro de 2003 02:04
Para: rrd-users at list.ee.ethz.ch
Assunto: [rrd-users] MRTG Archiver


Hello all,
I've been trying to cofigure MRTG archiever on my RedHat linux box.

The script mrtg-archiver seems to be using the HTML file for individual
targets generated inside the WorkDir.
 ------------------------------------------------------
 if(open(HTMLFILE, "$WorkDir/$target.html")) {
 ------------------------------------------------------
 We r using RRD-Tool & 14all.cgi, which does not generate the HTML files in
the WorkDir. It only generates files like <target>-daily.png,
daily.s-i.png, -monthly.png, .rrd, -weekly.png, -yearly.png for each target.

In this case how do we archive our MRTG. Pl suggest.

 rgds,

 Hardik Pandya
 GNFC Ltd.
 India.

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