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|
#!/bin/bash
### cisco678polld
# written by <sp>
# 1) poll cisco 678 ADSL modem via SNMP
# 2) save interface counter data to rrd file
# 3) generate plots
### execution tracing ON (debug)
#set -x
### bail if anything exits abnormally
set -e
### check/make lock
ckmklock() {
if [ -f ${LOCKFILE} ] ; then
printf "${LOCKFILE} found, exiting ...\n"
exit
else
printf "$$" > ${LOCKFILE}
trap "rm -f ${LOCKFILE} > /dev/null 2>&1" EXIT
fi
}
### check for db files, create if necessary
ckmkdb() {
if [ ! -f ${DBDIR}/${ETHDBFILE} ] ; then
printf "${DBDIR}/${ETHDBFILE} does not exist!\n"
RRDARGZ=("")
RRDARGZ=(
"${RRDARGZ[@]:0}" \
"-s ${RRDSTEP}" \
"DS:inoctets:COUNTER:120:U:U" \
"DS:outoctets:COUNTER:120:U:U"
)
for CF in AVERAGE MIN MAX LAST ; do
RRDARGZ=(
"${RRDARGZ[@]:0}" \
"RRA:${CF}:0.5:1:2880" \
"RRA:${CF}:0.5:4:2880" \
"RRA:${CF}:0.5:20:2880" \
"RRA:${CF}:0.5:120:2880" \
"RRA:${CF}:0.5:720:2928" \
"RRA:${CF}:0.5:2880:2922"
)
done
echo rrdtool create ${DBDIR}/${ETHDBFILE} ${RRDARGZ[@]}
unset RRDARGZ
fi
if [ ! -f ${DBDIR}/${PPPDBFILE} ] ; then
printf "${DBDIR}/${PPPDBFILE} does not exist!\n"
RRDARGZ=("")
RRDARGZ=(
"${RRDARGZ[@]:0}" \
"-s ${RRDSTEP}" \
"DS:inoctets:COUNTER:120:U:U" \
"DS:outoctets:COUNTER:120:U:U"
)
for CF in AVERAGE MIN MAX LAST ; do
RRDARGZ=(
"${RRDARGZ[@]:0}" \
"RRA:${CF}:0.5:1:2880" \
"RRA:${CF}:0.5:4:2880" \
"RRA:${CF}:0.5:20:2880" \
"RRA:${CF}:0.5:120:2880" \
"RRA:${CF}:0.5:720:2928" \
"RRA:${CF}:0.5:2880:2922"
)
done
echo rrdtool create ${DBDIR}/${PPPDBFILE} ${RRDARGZ[@]}
unset RRDARGZ
else
echo rrdtool info ${DBDIR}/${FDBFILE}
fi
}
polldem() {
IPADDR=10.0.0.1
COMMUNITY=0x09c5
## poll cisco678 interface counters, return formatted rrd update string
PPPSTR="$( date +%s ):$(
## wan0-0, PPP IN, octets
snmpget -v1 -c ${COMMUNITY} ${IPADDR} 1.3.6.1.2.1.2.2.1.10.2 |\
awk '{print $4}'
):$(
## wan0-0, PPP OUT, octets
snmpget -v1 -c ${COMMUNITY} ${IPADDR} 1.3.6.1.2.1.2.2.1.16.2 |\
awk '{print $4}'
)"
ETHSTR="$( date +%s ):$(
## eth0, ETH IN, octets
snmpget -v1 -c ${COMMUNITY} ${IPADDR} 1.3.6.1.2.1.2.2.1.10.1 |\
awk '{print $4}'
):$(
## eth0, ETH OUT, octets
snmpget -v1 -c ${COMMUNITY} ${IPADDR} 1.3.6.1.2.1.2.2.1.16.1 |\
awk '{print $4}'
)"
## print counters
printf "${PPPDBFILE} \t ${PPPSTR}\n"
printf "${ETHDBFILE} \t ${ETHSTR}\n"
## save counter data
rrdtool update ${DBDIR}/${PPPDBFILE} ${PPPSTR}
rrdtool update ${DBDIR}/${ETHDBFILE} ${ETHSTR}
}
### generate graph image
plotdem() {
printf "${DATESTR} [${RRDNAME}, ${RRDFILE}, ${IMGFILE}]\n"
RRDARGZ=("")
RRDARGZ=(
"${RRDARGZ[@]:0}" \
"${common_graph_opts[@]:0}" \
"--start -${GRAPHTIME}" \
"--logarithmic"
)
for DBDATAZ in in out ; do
RRDARGZ=(
"${RRDARGZ[@]:0}" \
"DEF:${DBDATAZ}octets=${DBDIR}/${RRDFILE}:${DBDATAZ}octets:AVERAGE" \
"DEF:${DBDATAZ}octets_min=${DBDIR}/${RRDFILE}:${DBDATAZ}octets:MIN" \
"DEF:${DBDATAZ}octets_max=${DBDIR}/${RRDFILE}:${DBDATAZ}octets:MAX" \
"CDEF:${DBDATAZ}octets_net=${DBDATAZ}octets_max,${DBDATAZ}octets_min,-" \
"CDEF:${DBDATAZ}bits=${DBDATAZ}octets,8,*" \
"CDEF:${DBDATAZ}bits_min=${DBDATAZ}octets_min,8,*" \
"CDEF:${DBDATAZ}bits_max=${DBDATAZ}octets_max,8,*" \
"CDEF:${DBDATAZ}bits_net=${DBDATAZ}octets_net,8,*" \
)
case ${DBDATAZ} in
in)
RRDARGZ=( "${RRDARGZ[@]:0}" \
"AREA:${DBDATAZ}bits_min#00331133:" \
"STACK:${DBDATAZ}bits_net#00CC3377:" \
"LINE:${DBDATAZ}bits#00FF77CC:In\t" ) ; ;;
out)
RRDARGZ=( "${RRDARGZ[@]:0}" \
"AREA:${DBDATAZ}bits_min#00113333:" \
"STACK:${DBDATAZ}bits_net#0033CC77:" \
"LINE:${DBDATAZ}bits#0077FFCC:Out\t" ) ; ;;
esac
RRDARGZ=( "${RRDARGZ[@]:0}" \
"VDEF:${DBDATAZ}b_min=${DBDATAZ}bits_min,MINIMUM" \
"GPRINT:${DBDATAZ}b_min:Min=%.6lg%s\t" \
"VDEF:${DBDATAZ}b_max=${DBDATAZ}bits_max,MAXIMUM" \
"GPRINT:${DBDATAZ}b_max:Max=%.6lg%s\t" \
"VDEF:${DBDATAZ}bits_avg=${DBDATAZ}bits,AVERAGE" \
"GPRINT:${DBDATAZ}bits_avg:Avg=%.6lg%s" \
"VDEF:${DBDATAZ}bits_std=${DBDATAZ}bits,STDEV" \
"GPRINT:${DBDATAZ}bits_std:(+/-)%.6lg%s" \
"COMMENT:(bps)\n" \
)
done
case ${INT} in
ppp) TITLESTR="Cisco-678 PPP Interface (bits/s), [${GRAPHTIME}]" ; ;;
eth) TITLESTR="Cisco-678 Ethernet Interface (bits/s), [${GRAPHTIME}]" ; ;;
esac
( rrdtool graph ${GRAPHDIR}/${IMGFILE} \
--title "${TITLESTR}" \
--watermark "${DATESTR}" \
${RRDARGZ[@]} ) &
unset RRDARGZ
}
### main
main() {
## script parameters
SCRIPTNAME=$( basename ${0} )
ETHDBNAME="${SCRIPTNAME}_eth"
ETHDBFILE="${ETHDBNAME}.rrd"
PPPDBNAME="${SCRIPTNAME}_ppp"
PPPDBFILE="${PPPDBNAME}.rrd"
## file names
LOCKFILE="/tmp/rrd/${SCRIPTNAME}.lock"
LOGFILE="/tmp/rrd/${SCRIPTNAME}.log"
DBDIR="/tmp/rrd/db"
GRAPHDIR="/tmp/rrd/cisco678"
RRDSTEP=15
WAIT=5
## file checks
ckmklock
ckmkdb
if [ ! -d ${GRAPHDIR} ] ; then
mkdir -p ${GRAPHDIR}
fi
## bash array for rrdtool arguments
common_graph_opts=(
"--lazy" \
"--border 0" \
"-h 275" \
"-w 720" \
"-c BACK#77777777" \
"-c CANVAS#000000CC" \
"-c FONT#CCCCCCCC" \
# "--font DEFAULT:0:Times" \
)
## while lock is valid, continue polling/graphing
while [ $( cat ${LOCKFILE} ) -eq $$ ] ; do
polldem
for INT in ppp eth ; do
RRDNAME=${SCRIPTNAME}_${INT}
RRDFILE=${RRDNAME}.rrd
for GRAPHTIME in 1h 12h 48h 8d 64d ; do
IMGFILE=${RRDNAME}_${GRAPHTIME}.png
DATESTR="[$( date +%F\ %T )]"
plotdem
done
done
## sampling interval
sleep ${WAIT}
done
}
main
### execution tracing OFF (debug)
set +x
|
