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#!/bin/bash
. $(dirname $0)/functions
BASE=$BASEDIR/$(basename $0)-test
PREFIX=$BUILDDIR/$(basename $0)-test
# currently, we do not properly copy cdp and pdp information, so for
# comparison of RRD dumps, we just filter out those parts we do not
# expect to match anyway...
function xmlfilter {
#- <last_ds>1010</last_ds>
#- <value>4.0400000000e+04</value>
#- <unknown_sec> 0 </unknown_sec>
#+ <last_ds>U</last_ds>
#+ <value>0.0000000000e+00</value>
#+ <unknown_sec> 40 </unknown_sec>
cat
# perl -n -e '$a=join("",<>); $a=~s,<(cdp_prep|last_ds|value|unknown_sec).*?</\1>,,msg ; print $a'
}
function numberfilter {
perl -n -e '$a=join("",<>); $a=~s,>(\d\.\d\d)\d+,>$1,msg ; print $a'
}
# a is an upward linear slope with a SLOPEA per minute
# b is a downward linear slope with a SLOPEB per minute
SLOPEA=6000
SLOPEB=-12000
# do not start at an exact minute boundary
STARTTIME=1300000005
ST=$STARTTIME
rm -f ${PREFIX}*.rrd ${PREFIX}*.xml
# three different stepped RRDs....
STEPA=67
STEPB=73
STEPAB=71
MINUPDATE=$(($STEPAB * 2))
TOTAL=$((100 * $STEPAB))
$RRDTOOL create ${PREFIX}a1.rrd --start $(($ST-1)) --step $STEPA \
DS:a:GAUGE:$MINUPDATE:U:U \
RRA:AVERAGE:0.5:1:$(($TOTAL / $STEPA)) \
RRA:MIN:0.5:1:$(($TOTAL / $STEPA)) \
RRA:MAX:0.5:1:$(($TOTAL / $STEPA)) \
RRA:LAST:0.5:1:$(($TOTAL / $STEPA)) \
RRA:AVERAGE:0.5:5:2 RRA:MIN:0.5:5:2 RRA:MAX:0.5:5:2 RRA:LAST:0.5:5:2
report createa1
$RRDTOOL create ${PREFIX}b1.rrd --start $(($ST-1)) --step $STEPB \
DS:b:GAUGE:$MINUPDATE:U:U \
RRA:AVERAGE:0.5:1:$(($TOTAL / $STEPB)) \
RRA:MIN:0.5:1:$(($TOTAL / $STEPB)) \
RRA:MAX:0.5:1:$(($TOTAL / $STEPB)) \
RRA:LAST:0.5:1:$(($TOTAL / $STEPB)) \
RRA:AVERAGE:0.5:5:2 RRA:MIN:0.5:5:2 RRA:MAX:0.5:5:2 RRA:LAST:0.5:5:2
report createb1
$RRDTOOL create ${PREFIX}ab1.rrd --start $(($ST-1)) --step $STEPAB \
DS:a:GAUGE:$MINUPDATE:U:U \
DS:b:GAUGE:$MINUPDATE:U:U \
RRA:AVERAGE:0.5:1:$(($TOTAL / $STEPAB)) \
RRA:MIN:0.5:1:$(($TOTAL / $STEPAB)) \
RRA:MAX:0.5:1:$(($TOTAL / $STEPAB)) \
RRA:LAST:0.5:1:$(($TOTAL / $STEPAB)) \
RRA:AVERAGE:0.5:5:2 RRA:MIN:0.5:5:2 RRA:MAX:0.5:5:2 RRA:LAST:0.5:5:2
report createab1
UPDATEA=
UPDATEB=
VA=0
VB=0
TSTEP=10
DELTAA=$(($SLOPEA / 60 * $TSTEP))
DELTAB=$(($SLOPEB / 60 * $TSTEP))
for T in $(seq $ST $TSTEP $(($ST + $STEPAB * 120)) ) ; do
UPDATEA="$UPDATEA $T:$VA"
UPDATEB="$UPDATEB $T:$VB"
UPDATEAB="$UPDATEAB $T:$VA:$VB"
VA=$(($VA + $DELTAA))
VB=$(($VB + $DELTAB))
ST=$T
done
$RRDTOOL update ${PREFIX}a1.rrd $UPDATEA
report update a
$RRDTOOL update ${PREFIX}b1.rrd $UPDATEB
report update b
$RRDTOOL update ${PREFIX}ab1.rrd $UPDATEAB
report update ab
# calculate the difference between expected and actual data in the bins...
A1=$($RRDTOOL graph ${PREFIX}.png --imginfo '' --end "$ST" --start end-1h \
DEF:x=${PREFIX}a1.rrd:a:AVERAGE \
DEF:xmin=${PREFIX}a1.rrd:a:MIN \
CDEF:vl=x,POP,TIME,$STARTTIME,-,$STEPA,-,$SLOPEA,60,/,* \
CDEF:vu=x,POP,TIME,$STARTTIME,-,$SLOPEA,60,/,* \
CDEF:t=vu,vl,+,2,/ \
CDEF:c=x,t,- \
CDEF:cmin=xmin,vl,- \
VDEF:s=c,STDEV VDEF:cavg=c,AVERAGE \
VDEF:smin=cmin,STDEV VDEF:cminavg=cmin,AVERAGE \
PRINT:s:%lg PRINT:cavg:%lg \
PRINT:smin:%lg PRINT:cminavg:%lg \
)
B1=$($RRDTOOL graph ${PREFIX}.png --imginfo '' --end "$ST" --start end-1h \
DEF:x=${PREFIX}b1.rrd:b:AVERAGE \
CDEF:vl=x,POP,TIME,$STARTTIME,-,$STEPB,-,$SLOPEB,60,/,* \
CDEF:vu=x,POP,TIME,$STARTTIME,-,$SLOPEB,60,/,* \
CDEF:t=vu,vl,+,2,/ \
CDEF:c=x,t,- \
VDEF:s=c,STDEV VDEF:cavg=c,AVERAGE PRINT:s:%lg PRINT:cavg:%lg \
)
XA1=$($RRDTOOL graph ${PREFIX}.png --imginfo '' --end "$ST" --start end-1h \
DEF:x=${PREFIX}ab1.rrd:a:AVERAGE \
CDEF:vl=x,POP,TIME,$STARTTIME,-,$STEPAB,-,$SLOPEA,60,/,* \
CDEF:vu=x,POP,TIME,$STARTTIME,-,$SLOPEA,60,/,* \
CDEF:t=vu,vl,+,2,/ \
CDEF:c=x,t,- \
CDEF:cn=c,-1,* \
VDEF:s=c,STDEV VDEF:cavg=c,AVERAGE PRINT:s:%lg PRINT:cavg:%lg \
)
XB1=$($RRDTOOL graph ${PREFIX}.png --imginfo '' --end "$ST" --start end-1h \
DEF:x=${PREFIX}ab1.rrd:b:AVERAGE \
CDEF:vl=x,POP,TIME,$STARTTIME,-,$STEPAB,-,$SLOPEB,60,/,* \
CDEF:vu=x,POP,TIME,$STARTTIME,-,$SLOPEB,60,/,* \
CDEF:t=vu,vl,+,2,/ \
CDEF:c=x,t,- \
CDEF:cn=c,-1,* \
VDEF:s=c,STDEV VDEF:cavg=c,AVERAGE PRINT:s:%lg PRINT:cavg:%lg \
)
# We expect an average error between the "real" and the "sampled" data to be
# Tsample / 2 * slope for the AVERAGE RRD
set -- $A1
perl -e "\$r = abs(1.0 - $2 / ($TSTEP / 2.0 * $SLOPEA / 6.00)) ; exit ((\$r < 1) ? 0 : 1)" ; report "average a1 within 1% of expectation"
set -- $B1
perl -e "\$r = abs(1.0 - $2 / ($TSTEP / 2.0 * $SLOPEB / 6.00)) ; exit ((\$r < 1) ? 0 : 1)" ; report "average b1 within 1% of expectation"
set -- $XA1
perl -e "\$r = abs(1.0 - $2 / ($TSTEP / 2.0 * $SLOPEA / 6.00)) ; exit ((\$r < 1) ? 0 : 1)" ; report "average a from ab1 within 1% of expectation"
set -- $XB1
perl -e "\$r = abs(1.0 - $2 / ($TSTEP / 2.0 * $SLOPEB / 6.00)) ; exit ((\$r < 1) ? 0 : 1)" ; report "average b from ab1 within 1% of expectation"
$RRDTOOL create ${PREFIX}ab2.rrd --start $ST --step $STEPAB \
--source ${PREFIX}a1.rrd --source ${PREFIX}b1.rrd \
DS:a:GAUGE:$MINUPDATE:U:U \
DS:b:GAUGE:$MINUPDATE:U:U \
RRA:AVERAGE:0.5:1:$(($TOTAL / $STEPAB)) \
RRA:MIN:0.5:1:$(($TOTAL / $STEPAB)) \
RRA:MAX:0.5:1:$(($TOTAL / $STEPAB)) \
RRA:LAST:0.5:1:$(($TOTAL / $STEPAB)) \
RRA:AVERAGE:0.5:5:2 RRA:MIN:0.5:5:2 RRA:MAX:0.5:5:2 RRA:LAST:0.5:5:2
report create-ab-with-two-sources = resampled
XA2=$($RRDTOOL graph ${PREFIX}.png --imginfo '' --end "$ST" --start end-1h \
DEF:x=${PREFIX}ab2.rrd:a:AVERAGE \
CDEF:vl=x,POP,TIME,$STARTTIME,-,$STEPAB,-,$SLOPEA,60,/,* \
CDEF:vu=x,POP,TIME,$STARTTIME,-,$SLOPEA,60,/,* \
CDEF:t=vu,vl,+,2,/ \
CDEF:c=x,t,- \
CDEF:cn=c,-1,* \
VDEF:s=c,STDEV VDEF:cavg=c,AVERAGE PRINT:s:%lg PRINT:cavg:%lg \
)
XB2=$($RRDTOOL graph ${PREFIX}.png --imginfo '' --end "$ST" --start end-1h \
DEF:x=${PREFIX}ab2.rrd:b:AVERAGE \
CDEF:vl=x,POP,TIME,$STARTTIME,-,$STEPAB,-,$SLOPEB,60,/,* \
CDEF:vu=x,POP,TIME,$STARTTIME,-,$SLOPEB,60,/,* \
CDEF:t=vu,vl,+,2,/ \
CDEF:c=x,t,- \
CDEF:cn=c,-1,* \
VDEF:s=c,STDEV VDEF:cavg=c,AVERAGE PRINT:s:%lg PRINT:cavg:%lg \
)
set -- $XA2
perl -e "\$r = abs(1.0 - $2 / ($TSTEP / 2.0 * $SLOPEA / 6.00)) ; exit ((\$r < 4) ? 0 : 1)" ; report "average a from ab2 within 4% of expectation"
set -- $XB2
perl -e "\$r = abs(1.0 - $2 / ($TSTEP / 2.0 * $SLOPEB / 6.00)) ; exit ((\$r < 4) ? 0 : 1)" ; report "average b from ab2 within 4% of expectation"
rm -f ${PREFIX}*.rrd ${PREFIX}*.xml
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