3 2c6743b8 2022-09-24 mischa # Copyright (c) 2019-2022 Mischa Peters <mischa @ openbsd.amsterdam>
5 2c06b26b 2020-05-31 mischa # Permission to use, copy, modify, and distribute this software for any
6 2c06b26b 2020-05-31 mischa # purpose with or without fee is hereby granted, provided that the above
7 2c06b26b 2020-05-31 mischa # copyright notice and this permission notice appear in all copies.
9 2c06b26b 2020-05-31 mischa # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 2c06b26b 2020-05-31 mischa # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 2c06b26b 2020-05-31 mischa # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 2c06b26b 2020-05-31 mischa # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 2c06b26b 2020-05-31 mischa # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 2c06b26b 2020-05-31 mischa # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 2c06b26b 2020-05-31 mischa # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 6154cf32 2019-03-12 mischa test -n "$1" || exit 1
19 2c6743b8 2022-09-24 mischa AUTHPASS="tropic shark reefs"
20 2c6743b8 2022-09-24 mischa USER="random"
21 2c6743b8 2022-09-24 mischa PRIVPASS="equ5xerhiffid7klevuk"
22 86ad8e4b 2019-05-04 mischa RRDFILES="/home/mischa/rrd"
23 7c02cf83 2020-05-31 mischa IMAGES="/var/www/rrdtool/obsda.ms"
24 e8dbe8bd 2019-03-12 mischa WATERMARK="OpenBSD Amsterdam - https://obsda.ms"
25 6154cf32 2019-03-12 mischa RRDTOOL="/usr/local/bin/rrdtool"
26 6154cf32 2019-03-12 mischa CPUINFO="/tmp/${HOST}-cpu.txt"
27 6154cf32 2019-03-12 mischa UPTIME=$(cat /tmp/${HOST}-uptime.txt)
28 86ad8e4b 2019-05-04 mischa VERSION=$(cat /tmp/${HOST}-version.txt)
29 6154cf32 2019-03-12 mischa NOW=$(date "+%Y-%m-%d %H:%M:%S %Z" | sed 's/:/\\:/g')
31 6154cf32 2019-03-12 mischa if ! test -f "${RRDFILES}/${HOST}-cpu.rrd"
33 6154cf32 2019-03-12 mischa echo "Creating ${RRDFILES}/${HOST}-cpu.rrd"
34 6154cf32 2019-03-12 mischa ${RRDTOOL} create ${RRDFILES}/${HOST}-cpu.rrd \
35 6154cf32 2019-03-12 mischa --step 300 \
36 6154cf32 2019-03-12 mischa DS:ds0:GAUGE:600:U:U \
37 6154cf32 2019-03-12 mischa RRA:MAX:0.5:1:20000
40 2c6743b8 2022-09-24 mischa snmp walk -A "${AUTHPASS}" -l authPriv -u ${USER} -X "${PRIVPASS}" ${HOST} hrProcessorLoad | awk '{print $4}' > ${CPUINFO}
41 6154cf32 2019-03-12 mischa CORES=$(grep -cv "^0$" ${CPUINFO})
42 6154cf32 2019-03-12 mischa CPU_LOAD_SUM=$(awk '{sum += $1} END {print sum}' ${CPUINFO})
43 6154cf32 2019-03-12 mischa CPU_LOAD=$(echo "scale=2; ${CPU_LOAD_SUM}/${CORES}" | bc -l)
45 6154cf32 2019-03-12 mischa ${RRDTOOL} update ${RRDFILES}/${HOST}-cpu.rrd N:${CPU_LOAD}
47 6154cf32 2019-03-12 mischa ${RRDTOOL} graph ${IMAGES}/${HOST}-cpu.png \
48 6154cf32 2019-03-12 mischa --start -43200 \
49 86ad8e4b 2019-05-04 mischa --title "${HOST} - ${VERSION} - CPU" \
50 6154cf32 2019-03-12 mischa --vertical-label "% CPU Used" \
51 e8dbe8bd 2019-03-12 mischa --watermark "${WATERMARK}" \
52 86ad8e4b 2019-05-04 mischa --color BACK#ffffff \
53 86ad8e4b 2019-05-04 mischa --border 0 \
54 6154cf32 2019-03-12 mischa DEF:CPU=${RRDFILES}/${HOST}-cpu.rrd:ds0:AVERAGE \
55 6154cf32 2019-03-12 mischa AREA:CPU#FFCC00 \
56 6154cf32 2019-03-12 mischa LINE2:CPU#CC0033:"CPU" \
57 6154cf32 2019-03-12 mischa GPRINT:CPU:MAX:"Max\:%2.2lf %s" \
58 6154cf32 2019-03-12 mischa GPRINT:CPU:AVERAGE:"Average\:%2.2lf %s" \
59 6154cf32 2019-03-12 mischa GPRINT:CPU:LAST:" Current\:%2.2lf %s\n" \
60 6154cf32 2019-03-12 mischa COMMENT:"\\n" \
61 6154cf32 2019-03-12 mischa COMMENT:" SUM CPU Load / Active Cores = % CPU Used\n" \
62 6154cf32 2019-03-12 mischa COMMENT:" Up for ${UPTIME} at ${NOW}"