mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-23 00:24:37 +02:00
289 lines
9.9 KiB
Bash
289 lines
9.9 KiB
Bash
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#!/bin/sh
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#
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# Author: Christian Rost (chr@baltic-online.de)
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# Purpose: Shell-Interface to rrdtool
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#
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RRDCNF=/etc/rrd.conf
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. $RRDCNF
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######################################
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# init() function to create .rrd-file
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# $1=VAR-PRAEFIX $2=VAR-POSTFIX
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######################################
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init()
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{
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# Calculate optimal step by assuming highest precision on the last-xhour plot
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OPTSTEP=`expr $HOURS \* 3600 \/ $PIXWIDTH \* $H_RES`
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[ $OPTSTEP != $STEP ] && echo "WARNING: Your optimal step is: $OPTSTEP. But you are using: $STEP"
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ARH_AVG=`expr $HOURS \* 3600 \/ $PIXWIDTH \* $H_RES \/ $STEP`; ARH_CNT=`expr $HOURS \* 3600 \/ $ARH_AVG \/ $STEP`
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ARD_AVG=`expr $DAYS \* 86400 \/ $PIXWIDTH \* $D_RES \/ $STEP`; ARD_CNT=`expr $DAYS \* 86400 \/ $ARD_AVG \/ $STEP`
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ARW_AVG=`expr $WEEKS \* 604800 \/ $PIXWIDTH \* $W_RES \/ $STEP`; ARW_CNT=`expr $WEEKS \* 604800 \/ $ARW_AVG \/ $STEP`
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PRAEFIX=$1; POSTFIX=$2
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DSOURCE=""
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echo "Init storage for $HOURS hours on averages: $ARH_AVG x $STEP seconds ($ARH_CNT total values)"
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echo "Init storage for $DAYS days on averages: $ARD_AVG x $STEP seconds ($ARD_CNT total values)"
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echo "Init storage for $WEEKS weeks on averages: $ARW_AVG x $STEP seconds ($ARW_CNT total values)"
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eval SOURCE=\$${PRAEFIX}_${POSTFIX}
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for i in $SOURCE
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do
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eval var=\$${PRAEFIX}_${i}
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ifs="$IFS"; IFS="|"; set -- $var
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if [ "`echo ${1} | cut -b1`" = "-" ]
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then
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VAR="`echo ${1} | cut -b2-`"
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else
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VAR=`echo $1 | sed "s/ //g"`
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fi
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DSOURCE="$DSOURCE DS:${VAR}:${3}:$MAXSTEP:0:${4}"
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IFS="$ifs"
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done
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$DEBUG $RRDTOOL create $RRDDIR/$PRAEFIX.rrd \
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--step ${STEP} \
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$DSOURCE \
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RRA:AVERAGE:0.5:$ARH_AVG:$ARH_CNT \
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RRA:AVERAGE:0.5:$ARD_AVG:$ARD_CNT \
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RRA:AVERAGE:0.5:$ARW_AVG:$ARW_CNT \
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RRA:MAX:0.5:$ARH_AVG:$ARH_CNT \
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RRA:MAX:0.5:$ARD_AVG:$ARD_CNT \
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RRA:MAX:0.5:$ARW_AVG:$ARW_CNT
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return $?
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}
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#################################################################################################################
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# graph() function to create png-graphics
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# $1=IMG-DIR $2=VAR-PRAEFIX, $3=VAR-POSTFIX, $4=Headline, $5=end, $6=start, $7=base,
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# $8=DEFS/ENTRIES $9=other rrdgraph options (Vertlabel,...)
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#################################################################################################################
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# COMMENT:"$DATE\c"
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do_rrdgraph()
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{
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$DEBUG $NICE $RRDTOOL graph "$1/$2_$3.png" \
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--title "$4" \
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--imgformat $PIXFORMAT \
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--width $PIXWIDTH \
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--height $PIXHEIGHT \
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--end "$5" \
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--start "$6" \
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--base "$7" \
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$8 $9
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}
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#################################################################################################################
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# graph() function to create png-graphics
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# $1=IMG-DIR $2=VAR-PRAEFIX, $3=VAR-POSTFIX, $4=Headline, $5=end, $6=start, $7=base,
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# $8=DEFS/ENTRIES $9=other rrdgraph options (Vertlabel,...)
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#################################################################################################################
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# COMMENT:"<RRD::TIME::NOW %c>\c"
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do_rrdcgi()
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{
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cat << EOF > $1/$2_$3.def
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<RRD::GRAPH $1/<RRD::CV START>$2_$3.png \
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--title "$4" \
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--imgformat $PIXFORMAT \
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--width $PIXWIDTH \
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--height $PIXHEIGHT \
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--end "$5" \
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--start <RRD::CV START> \
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--base $7 \
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--imginfo "<IMG NAME=$2_$3 SRC=$RRDCGIIMGPATH/%s OnClick=zoomToggle('${SCGIPIXWIDTH}px','${NCGIPIXWIDTH}px',this); WIDTH=${SCGIPIXWIDTH}px>" \
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--lazy \
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$8 $9 >
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EOF
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cat << EOF >> $RRDCGISCRIPT
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$NEWLINE <TD valign=top>$4<br>
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<RRD::INCLUDE $1/$2_$3.def>
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</TD>
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EOF
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}
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gen_cgi_header()
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{
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cat << EOF > $RRDCGISCRIPT
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#!$RRDCGI
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<HEAD><TITLE>RRDCGI Router Statistics</TITLE></HEAD>
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<SCRIPT TYPE="text/javascript" LANGUAGE="JavaScript">
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function update_radio_check(robj,value) { for (var i=0; i<robj.length; i++) if (robj[i].value==value) robj[i].checked=1; }
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var nW,oW;
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function zoomToggle(iWideSmall,iWideLarge,whichImage){
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oW=whichImage.style.width;
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if(oW==iWideLarge){
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nW=iWideSmall;}else{
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nW=iWideLarge;}
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whichImage.style.width=nW;
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}
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</SCRIPT>
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<BODY onload="update_radio_check(document.RangeForm.START,'<RRD::CV START>')">
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<H1>RRDCGI Router Statistics <font size-=2><em>(<RRD::TIME::NOW %c>)</em></font></H1>
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<FORM NAME=RangeForm>
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<INPUT NAME=START TYPE=RADIO VALUE=end-${HOURS}h checked>${HOURS} hours ago
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<INPUT NAME=START TYPE=RADIO VALUE=end-${DAYS}d>${DAYS} days ago
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<INPUT NAME=START TYPE=RADIO VALUE=end-${WEEKS}w>${WEEKS} weeks ago
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<INPUT TYPE=SUBMIT>
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</FORM>
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<P>
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<TABLE>
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EOF
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}
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gen_cgi_footer()
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{
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cat << EOF >> $RRDCGISCRIPT
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</TABLE>
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</P>
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</BODY>
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</HTML>
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EOF
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chmod +x $RRDCGISCRIPT
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}
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#################################################################################################################
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# $1=mode $2=VAR-PRAEFIX, $3=VAR-POSTFIX, $4=Headline, $5=Vertlabel, $6=start, $7=end, $8=base, $9=other rrdgraph options
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#################################################################################################################
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do_graph()
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{
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MODE=$1; PRAEFIX=$2; POSTFIX=$3; HEADLINE=$4; VERTLABEL=$5; START=$6; END=$7; BASE=$8; SRC=${RRDDIR}/${PRAEFIX}.rrd
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if [ ! -r "$SRC" ]
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then
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echo "$SRC not found. Aborting all operations now..."
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exit 1
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fi
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# For Graphing Memory BASE should be set to 1024, default is 1000
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[ -n "$8" ] && BASE=$8 || BASE=1000
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[ -n "$9" ] && OPTS=$9 || OPTS="--lower-limit 0"
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DEFS=""; ENTRIES=""
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eval SOURCE=\$${PRAEFIX}_${POSTFIX}
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for i in $SOURCE
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do
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eval var=\$${PRAEFIX}_${i}
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ifs="$IFS"; IFS="|"; set -- $var
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if [ "`echo ${1} | cut -b1`" = "-" ]
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then
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VAR="`echo ${1} | cut -b2-`"
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NEG=1
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else
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VAR=`echo $1 | sed "s/ //g"`
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NEG=0
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fi
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if [ "$NEG" = 1 ]
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then
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[ -n "${8}" ] && DEFS="$DEFS DEF:${VAR}=$SRC:${VAR}:AVERAGE DEF:MAX${VAR}=$SRC:${VAR}:MAX ${8} CDEF:N${VAR}C=${VAR}C,-1,* " \
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|| DEFS="$DEFS DEF:${VAR}=$SRC:${VAR}:AVERAGE DEF:MAX${VAR}=$SRC:${VAR}:MAX CDEF:N${VAR}=${VAR},-1,*"
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else
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[ -n "${8}" ] && DEFS="$DEFS DEF:${VAR}=$SRC:${VAR}:AVERAGE DEF:MAX${VAR}=$SRC:${VAR}:MAX ${8}" \
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|| DEFS="$DEFS DEF:${VAR}=$SRC:${VAR}:AVERAGE DEF:MAX${VAR}=$SRC:${VAR}:MAX"
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fi
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# Now this is a bit ugly, but i don't know how to escape the blanks in a proper way.
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# If you know any better way to keep the blanks in the legend of the graphics please inform me.
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#L=`echo ${2} | tr -s "[= =]" '\014'`
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#L=`echo ${2} | tr -s "[= =]" '_'`
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L=`echo ${2} | sed "s/ /_/g"`
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if [ -n "${7}" ]
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then
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if [ -n "${8}" ]
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then
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[ "$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" \
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|| 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"
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else
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[ "$NEG" = 1 ] && ENTRIES="$ENTRIES ${6}:N${VAR}${5}:${L}: GPRINT:${VAR}:AVERAGE:Average\:${7} GPRINT:MAX${VAR}:MAX:Max\:${7} GPRINT:${VAR}:LAST:Last\:${7}\\j" \
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|| ENTRIES="$ENTRIES ${6}:${VAR}${5}:${L}: GPRINT:${VAR}:AVERAGE:Average\:${7} GPRINT:MAX${VAR}:MAX:Max\:${7} GPRINT:${VAR}:LAST:Last\:${7}\\j"
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fi
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else
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[ "$NEG" = 1 ] && ENTRIES="$ENTRIES ${6}:N${VAR}${5}:${L}: GPRINT:${VAR}:AVERAGE:Average\:%6.2lf%s GPRINT:MAX${VAR}:MAX:Max\:%6.0lf%s GPRINT:${VAR}:LAST:Last\:%6.2lf%s\\j" \
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|| ENTRIES="$ENTRIES ${6}:${VAR}${5}:${L}: GPRINT:${VAR}:AVERAGE:Average\:%6.2lf%s GPRINT:MAX${VAR}:MAX:Max\:%6.0lf%s GPRINT:${VAR}:LAST:Last\:%6.2lf%s\\j"
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fi
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IFS="$ifs"
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done
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#[ "$POSTFIX" = "CPU_STATS" ] && (echo $OPTS; echo $DEFS ; echo $ENTRIES; echo $OPTS)
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$MODE "$IMGDIR" "$PRAEFIX" "$POSTFIX" "$HEADLINE" "$END" "$START" "$BASE" "$DEFS $ENTRIES" "--vertical-label $VERTLABEL $OPTS"
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}
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# Check if all rrd-files are present
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# and create them if not
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init_loop()
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{
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for j in $ALL_PRAEFIXES
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do
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if [ ! -f $RRDDIR/$j.rrd ]
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then
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echo "Creating $RRDDIR/$j.rrd ..."
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init $j ALL
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[ ! -f $RRDDIR/$j.rrd ] && EXIT=1
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fi
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done
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[ "$EXIT" = 1 ] && return 1 || return 0
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}
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graph_loop()
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{
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mode=$1; start=$2; end=$3; c=1
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while [ $c -le $GRAPH_MAX ]
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do
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eval var=\$GRAPH_${c}
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# $1=VAR-PRAEFIX $2=VAR-POSTFIX $3=Headline $4=Vertlabel $5=base $6=other rrdgraph options
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ifs="$IFS"; IFS="|"; set -- $var
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IFS="$ifs"
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[ "$1" != "$OLD" -o "`expr \( $c - 1 \) % 2`" = 0 ] && NEWLINE="</TR><TR>" || NEWLINE=""
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do_graph $mode $1 $2 "$3" "$4" $start $end $5 "$6"
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c=`expr $c + 1`; OLD=$1
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done
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}
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case "$1" in
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init)
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if init_loop
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then
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exit 0
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else
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echo "Initialisation of rrd-database-files failed"
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exit 1
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fi
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;;
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cgi)
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echo "Updating $RRDCGISCRIPT and $IMGDIR/*.def"
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gen_cgi_header
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# The start-time will be not used
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graph_loop do_rrdcgi end now
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gen_cgi_footer
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;;
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images)
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# Create the graphs
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[ -n "$2" ] && STH=$2 || STH=24h
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echo "Updating Graphs ($STH ago -> now) for $RRDDIR/*.rrd"
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graph_loop do_rrdgraph "end-${STH}" now
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;;
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fetch)
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# Fetch data from rrdcollect daemon
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if [ ! -n "$3" ]
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then
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echo "Usage: $0 fetch <host> <port>"
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exit 1
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else
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echo "Fetching ascii-logs from rrdcollect daemon"
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(cd $RRDDIR && $NETCAT $2 $3 | sed -n "s:^\(update .*\):$RRDTOOL \1:p" | sh -x ) 2>&1 | wc -l #>/dev/null
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exit 0
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fi
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;;
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*) echo "Usage: $0 <init|cgi|fetch|images>"
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echo " init: Initialize rrd-datafiles if neeeded"
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echo " cgi: Creates cgi-script for use with rrdcgi"
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echo " fetch: Fetching data from rrdcollect via netcat"
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echo " images: Generates images"
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exit 1
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;;
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esac
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exit 0
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