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openwrt-xburst/openwrt/package/rrdcollect/files/rrd.sh
nico bca2557f19 add a package providing a default working (i hope) setup
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@1676 3c298f89-4303-0410-b956-a3cf2f4a3e73
2005-08-15 01:27:08 +00:00

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9.9 KiB
Bash

#!/bin/sh
#
# Author: Christian Rost (chr@baltic-online.de)
# Purpose: Shell-Interface to rrdtool
#
RRDCNF=/etc/rrd.conf
. $RRDCNF
######################################
# init() function to create .rrd-file
# $1=VAR-PRAEFIX $2=VAR-POSTFIX
######################################
init()
{
# Calculate optimal step by assuming highest precision on the last-xhour plot
OPTSTEP=`expr $HOURS \* 3600 \/ $PIXWIDTH \* $H_RES`
[ $OPTSTEP != $STEP ] && echo "WARNING: Your optimal step is: $OPTSTEP. But you are using: $STEP"
ARH_AVG=`expr $HOURS \* 3600 \/ $PIXWIDTH \* $H_RES \/ $STEP`; ARH_CNT=`expr $HOURS \* 3600 \/ $ARH_AVG \/ $STEP`
ARD_AVG=`expr $DAYS \* 86400 \/ $PIXWIDTH \* $D_RES \/ $STEP`; ARD_CNT=`expr $DAYS \* 86400 \/ $ARD_AVG \/ $STEP`
ARW_AVG=`expr $WEEKS \* 604800 \/ $PIXWIDTH \* $W_RES \/ $STEP`; ARW_CNT=`expr $WEEKS \* 604800 \/ $ARW_AVG \/ $STEP`
PRAEFIX=$1; POSTFIX=$2
DSOURCE=""
echo "Init storage for $HOURS hours on averages: $ARH_AVG x $STEP seconds ($ARH_CNT total values)"
echo "Init storage for $DAYS days on averages: $ARD_AVG x $STEP seconds ($ARD_CNT total values)"
echo "Init storage for $WEEKS weeks on averages: $ARW_AVG x $STEP seconds ($ARW_CNT total values)"
eval SOURCE=\$${PRAEFIX}_${POSTFIX}
for i in $SOURCE
do
eval var=\$${PRAEFIX}_${i}
ifs="$IFS"; IFS="|"; set -- $var
if [ "`echo ${1} | cut -b1`" = "-" ]
then
VAR="`echo ${1} | cut -b2-`"
else
VAR=`echo $1 | sed "s/ //g"`
fi
DSOURCE="$DSOURCE DS:${VAR}:${3}:$MAXSTEP:0:${4}"
IFS="$ifs"
done
$DEBUG $RRDTOOL create $RRDDIR/$PRAEFIX.rrd \
--step ${STEP} \
$DSOURCE \
RRA:AVERAGE:0.5:$ARH_AVG:$ARH_CNT \
RRA:AVERAGE:0.5:$ARD_AVG:$ARD_CNT \
RRA:AVERAGE:0.5:$ARW_AVG:$ARW_CNT \
RRA:MAX:0.5:$ARH_AVG:$ARH_CNT \
RRA:MAX:0.5:$ARD_AVG:$ARD_CNT \
RRA:MAX:0.5:$ARW_AVG:$ARW_CNT
return $?
}
#################################################################################################################
# graph() function to create png-graphics
# $1=IMG-DIR $2=VAR-PRAEFIX, $3=VAR-POSTFIX, $4=Headline, $5=end, $6=start, $7=base,
# $8=DEFS/ENTRIES $9=other rrdgraph options (Vertlabel,...)
#################################################################################################################
# COMMENT:"$DATE\c"
do_rrdgraph()
{
$DEBUG $NICE $RRDTOOL graph "$1/$2_$3.png" \
--title "$4" \
--imgformat $PIXFORMAT \
--width $PIXWIDTH \
--height $PIXHEIGHT \
--end "$5" \
--start "$6" \
--base "$7" \
$8 $9
}
#################################################################################################################
# graph() function to create png-graphics
# $1=IMG-DIR $2=VAR-PRAEFIX, $3=VAR-POSTFIX, $4=Headline, $5=end, $6=start, $7=base,
# $8=DEFS/ENTRIES $9=other rrdgraph options (Vertlabel,...)
#################################################################################################################
# COMMENT:"<RRD::TIME::NOW %c>\c"
do_rrdcgi()
{
cat << EOF > $1/$2_$3.def
<RRD::GRAPH $1/<RRD::CV START>$2_$3.png \
--title "$4" \
--imgformat $PIXFORMAT \
--width $PIXWIDTH \
--height $PIXHEIGHT \
--end "$5" \
--start <RRD::CV START> \
--base $7 \
--imginfo "<IMG NAME=$2_$3 SRC=$RRDCGIIMGPATH/%s OnClick=zoomToggle('${SCGIPIXWIDTH}px','${NCGIPIXWIDTH}px',this); WIDTH=${SCGIPIXWIDTH}px>" \
--lazy \
$8 $9 >
EOF
cat << EOF >> $RRDCGISCRIPT
$NEWLINE <TD valign=top>$4<br>
<RRD::INCLUDE $1/$2_$3.def>
</TD>
EOF
}
gen_cgi_header()
{
cat << EOF > $RRDCGISCRIPT
#!$RRDCGI
<HEAD><TITLE>RRDCGI Router Statistics</TITLE></HEAD>
<SCRIPT TYPE="text/javascript" LANGUAGE="JavaScript">
function update_radio_check(robj,value) { for (var i=0; i<robj.length; i++) if (robj[i].value==value) robj[i].checked=1; }
var nW,oW;
function zoomToggle(iWideSmall,iWideLarge,whichImage){
oW=whichImage.style.width;
if(oW==iWideLarge){
nW=iWideSmall;}else{
nW=iWideLarge;}
whichImage.style.width=nW;
}
</SCRIPT>
<BODY onload="update_radio_check(document.RangeForm.START,'<RRD::CV START>')">
<H1>RRDCGI Router Statistics <font size-=2><em>(<RRD::TIME::NOW %c>)</em></font></H1>
<FORM NAME=RangeForm>
<INPUT NAME=START TYPE=RADIO VALUE=end-${HOURS}h checked>${HOURS} hours ago
<INPUT NAME=START TYPE=RADIO VALUE=end-${DAYS}d>${DAYS} days ago
<INPUT NAME=START TYPE=RADIO VALUE=end-${WEEKS}w>${WEEKS} weeks ago
<INPUT TYPE=SUBMIT>
</FORM>
<P>
<TABLE>
EOF
}
gen_cgi_footer()
{
cat << EOF >> $RRDCGISCRIPT
</TABLE>
</P>
</BODY>
</HTML>
EOF
chmod +x $RRDCGISCRIPT
}
#################################################################################################################
# $1=mode $2=VAR-PRAEFIX, $3=VAR-POSTFIX, $4=Headline, $5=Vertlabel, $6=start, $7=end, $8=base, $9=other rrdgraph options
#################################################################################################################
do_graph()
{
MODE=$1; PRAEFIX=$2; POSTFIX=$3; HEADLINE=$4; VERTLABEL=$5; START=$6; END=$7; BASE=$8; SRC=${RRDDIR}/${PRAEFIX}.rrd
if [ ! -r "$SRC" ]
then
echo "$SRC not found. Aborting all operations now..."
exit 1
fi
# For Graphing Memory BASE should be set to 1024, default is 1000
[ -n "$8" ] && BASE=$8 || BASE=1000
[ -n "$9" ] && OPTS=$9 || OPTS="--lower-limit 0"
DEFS=""; ENTRIES=""
eval SOURCE=\$${PRAEFIX}_${POSTFIX}
for i in $SOURCE
do
eval var=\$${PRAEFIX}_${i}
ifs="$IFS"; IFS="|"; set -- $var
if [ "`echo ${1} | cut -b1`" = "-" ]
then
VAR="`echo ${1} | cut -b2-`"
NEG=1
else
VAR=`echo $1 | sed "s/ //g"`
NEG=0
fi
if [ "$NEG" = 1 ]
then
[ -n "${8}" ] && DEFS="$DEFS DEF:${VAR}=$SRC:${VAR}:AVERAGE DEF:MAX${VAR}=$SRC:${VAR}:MAX ${8} CDEF:N${VAR}C=${VAR}C,-1,* " \
|| DEFS="$DEFS DEF:${VAR}=$SRC:${VAR}:AVERAGE DEF:MAX${VAR}=$SRC:${VAR}:MAX CDEF:N${VAR}=${VAR},-1,*"
else
[ -n "${8}" ] && DEFS="$DEFS DEF:${VAR}=$SRC:${VAR}:AVERAGE DEF:MAX${VAR}=$SRC:${VAR}:MAX ${8}" \
|| DEFS="$DEFS DEF:${VAR}=$SRC:${VAR}:AVERAGE DEF:MAX${VAR}=$SRC:${VAR}:MAX"
fi
# Now this is a bit ugly, but i don't know how to escape the blanks in a proper way.
# If you know any better way to keep the blanks in the legend of the graphics please inform me.
#L=`echo ${2} | tr -s "[= =]" '\014'`
#L=`echo ${2} | tr -s "[= =]" '_'`
L=`echo ${2} | sed "s/ /_/g"`
if [ -n "${7}" ]
then
if [ -n "${8}" ]
then
[ "$NEG" = 1 ] && ENTRIES="$ENTRIES ${6}:N${VAR}C${5}:${L}: GPRINT:${VAR}C:AVERAGE:Average\:${7} GPRINT:MAX${VAR}C:MAX:Max\:${7} GPRINT:${VAR}C:LAST:Last\:${7}\\j" \
|| ENTRIES="$ENTRIES ${6}:${VAR}C${5}:${L}: GPRINT:${VAR}C:AVERAGE:Average\:${7} GPRINT:MAX${VAR}C:MAX:Max\:${7} GPRINT:${VAR}C:LAST:Last\:${7}\\j"
else
[ "$NEG" = 1 ] && ENTRIES="$ENTRIES ${6}:N${VAR}${5}:${L}: GPRINT:${VAR}:AVERAGE:Average\:${7} GPRINT:MAX${VAR}:MAX:Max\:${7} GPRINT:${VAR}:LAST:Last\:${7}\\j" \
|| ENTRIES="$ENTRIES ${6}:${VAR}${5}:${L}: GPRINT:${VAR}:AVERAGE:Average\:${7} GPRINT:MAX${VAR}:MAX:Max\:${7} GPRINT:${VAR}:LAST:Last\:${7}\\j"
fi
else
[ "$NEG" = 1 ] && ENTRIES="$ENTRIES ${6}:N${VAR}${5}:${L}: GPRINT:${VAR}:AVERAGE:Average\:%6.2lf%s GPRINT:MAX${VAR}:MAX:Max\:%6.0lf%s GPRINT:${VAR}:LAST:Last\:%6.2lf%s\\j" \
|| ENTRIES="$ENTRIES ${6}:${VAR}${5}:${L}: GPRINT:${VAR}:AVERAGE:Average\:%6.2lf%s GPRINT:MAX${VAR}:MAX:Max\:%6.0lf%s GPRINT:${VAR}:LAST:Last\:%6.2lf%s\\j"
fi
IFS="$ifs"
done
#[ "$POSTFIX" = "CPU_STATS" ] && (echo $OPTS; echo $DEFS ; echo $ENTRIES; echo $OPTS)
$MODE "$IMGDIR" "$PRAEFIX" "$POSTFIX" "$HEADLINE" "$END" "$START" "$BASE" "$DEFS $ENTRIES" "--vertical-label $VERTLABEL $OPTS"
}
# Check if all rrd-files are present
# and create them if not
init_loop()
{
for j in $ALL_PRAEFIXES
do
if [ ! -f $RRDDIR/$j.rrd ]
then
echo "Creating $RRDDIR/$j.rrd ..."
init $j ALL
[ ! -f $RRDDIR/$j.rrd ] && EXIT=1
fi
done
[ "$EXIT" = 1 ] && return 1 || return 0
}
graph_loop()
{
mode=$1; start=$2; end=$3; c=1
while [ $c -le $GRAPH_MAX ]
do
eval var=\$GRAPH_${c}
# $1=VAR-PRAEFIX $2=VAR-POSTFIX $3=Headline $4=Vertlabel $5=base $6=other rrdgraph options
ifs="$IFS"; IFS="|"; set -- $var
IFS="$ifs"
[ "$1" != "$OLD" -o "`expr \( $c - 1 \) % 2`" = 0 ] && NEWLINE="</TR><TR>" || NEWLINE=""
do_graph $mode $1 $2 "$3" "$4" $start $end $5 "$6"
c=`expr $c + 1`; OLD=$1
done
}
case "$1" in
init)
if init_loop
then
exit 0
else
echo "Initialisation of rrd-database-files failed"
exit 1
fi
;;
cgi)
echo "Updating $RRDCGISCRIPT and $IMGDIR/*.def"
gen_cgi_header
# The start-time will be not used
graph_loop do_rrdcgi end now
gen_cgi_footer
;;
images)
# Create the graphs
[ -n "$2" ] && STH=$2 || STH=24h
echo "Updating Graphs ($STH ago -> now) for $RRDDIR/*.rrd"
graph_loop do_rrdgraph "end-${STH}" now
;;
fetch)
# Fetch data from rrdcollect daemon
if [ ! -n "$3" ]
then
echo "Usage: $0 fetch <host> <port>"
exit 1
else
echo "Fetching ascii-logs from rrdcollect daemon"
(cd $RRDDIR && $NETCAT $2 $3 | sed -n "s:^\(update .*\):$RRDTOOL \1:p" | sh -x ) 2>&1 | wc -l #>/dev/null
exit 0
fi
;;
*) echo "Usage: $0 <init|cgi|fetch|images>"
echo " init: Initialize rrd-datafiles if neeeded"
echo " cgi: Creates cgi-script for use with rrdcgi"
echo " fetch: Fetching data from rrdcollect via netcat"
echo " images: Generates images"
exit 1
;;
esac
exit 0