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|
#!/bin/bash
#
# tellerstats.sh 3
# generate graphs from the data
#
# Copyright 2001 The lm_sensors group
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# generic tellerstats init BEGIN
# get config information from /etc/tellerstats.conf or whereever we are pointed
if [ -z "$TELLERSTATS_CONF" ]
then
TELLERSTATS_CONF=/etc/tellerstats.conf
fi
export TELLERSTATS_CONF
if [ ! -r $TELLERSTATS_CONF ]
then
echo "$0: Could not find config file $TELLERSTATS_CONF"
exit 1
fi
. $TELLERSTATS_CONF
if [ ! -d $DBPATH ]
then
echo "$0: data directory $DBPATH does not exist"
exit 1
fi
if [ ! -d $SENSORPATH ]
then
echo "$0: sensor information directory $SENSORPATH does not exist."
exit 1
fi
if [ ! -d $HTMLROOT ]
then
echo "$0: The root of your webserver - $HTMLROOT - does not exist..bailing out"
exit 1
fi
if [ ! -d $HTMLPATH ]
then
echo "$0: The place where we keep HTML files and pictures - $HTMLPATH - does not exist..bailing out"
exit 1
fi
if [ ! -r $GNUPLOTSCRIPT_TMPL ]
then
echo "$0: The gnuplot script template $GNUPLOTSCRIPT_TMPL does not exist..bailing out"
exit 1
fi
export DBPATH SENSORPATH TEMPPATH HTMLROOT HTMLPATH GNUPLOTSCRIPT_TMPL
if [ -n "$DEBUG" ]
then
echo "DBPATH = $DBPATH"
echo "SENSORPATH = $SENSORPATH"
echo "TEMPPATH = $TEMPPATH"
echo "HTMLROOT = $HTMLROOT"
echo "HTMLPATH = $HTMLPATH"
echo "GNUPLOTSCRIPT_TMPL = $GNUPLOTSCRIPT_TMPL"
fi
# generic tellerstats init END
if [ -z "$LINEWIDTH" ]
then
LINEWIDTH=5
fi
export LINEWIDTH
if [ -z "$PLOTFORMAT" ]
then
PLOTFORMAT=ps
fi
export PLOTFORMAT
if [ -z "$PLOTTERMINAL" ]
then
PLOTTERMINAL="postscript eps enhanced color \"Helvetica\" 22"
fi
export PLOTTERMINAL
if [ -n "$DEBUG" ]
then
echo "LINEWIDTH = $LINEWIDTH"
echo "PLOTFORMAT = $PLOTFORMAT"
echo "PLOTTERMINAL = $PLOTTERMINAL"
fi
# Trim files to 48 hour window
cd $DBPATH
files="`echo *`"
for this in $files
do
tail $this -n576 > ${this}.tmp
mv ${this}.tmp $this
done
###############################################
rm -rf $TEMPPATH
mkdir -p $TEMPPATH
cd $TEMPPATH
# Update primary plots
GNUPLOTSCRIPT="$TEMPPATH/gnuplotscript"
cat $GNUPLOTSCRIPT_TMPL | perl -p -e's/\$(\w+)/$ENV{$1}/g' > $GNUPLOTSCRIPT
gnuplot < $GNUPLOTSCRIPT
rm $GNUPLOTSCRIPT
files="`echo *`"
CONVERT_OPTS_A="-interlace none -scale 320x240 -quality 100"
CONVERT_OPTS_B="-interlace none -scale 800x600 -quality 100"
for this in $files
do
prefix=`echo $this|perl -p -e's/\.\w+$//'`
convert $CONVERT_OPTS_A $TEMPPATH/$this $HTMLPATH/${prefix}.png
convert $CONVERT_OPTS_B $TEMPPATH/$this $HTMLPATH/${prefix}B.png
touch $HTMLPATH/${prefix}.png $HTMLPATH/${prefix}B.png
done
# Update timestamp
touch $HTMLPATH/index.shtml
# if this was called as a cgi script, it should redirect to the index.shtml file
if [ -n "$REMOTE_HOST" ]
then
REL_HTML=${HTMLPATH#$HTMLROOT}
echo "Location: $REL_HTML/index.shtml"
echo
fi
if [ -z "$DEBUG" ]
then
rm -rf $TEMPPATH
fi
exit 0
|
