1 #!/bin/sh
2 #
3 # Copyright (c) 2019-2022 Mischa Peters <mischa @ openbsd.amsterdam>
4 #
5 # Permission to use, copy, modify, and distribute this software for any
6 # purpose with or without fee is hereby granted, provided that the above
7 # copyright notice and this permission notice appear in all copies.
8 #
9 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 #
17 test -n "$1" || exit 1
18 test -n "$2" || exit 1
19 HOST="$1"
20 INTERFACE="$2"
21 AUTHPASS="tropic shark reefs"
22 USER="random"
23 PRIVPASS="equ5xerhiffid7klevuk"
24 RRDFILES="/home/mischa/rrd"
25 WATERMARK="OpenBSD Amsterdam - https://obsda.ms"
26 IMAGES="/var/www/rrdtool/obsda.ms"
27 RRDTOOL="/usr/local/bin/rrdtool"
28 UPTIME=$(cat /tmp/${HOST}-uptime.txt)
29 VERSION=$(cat /tmp/${HOST}-version.txt)
30 NOW=$(date "+%Y-%m-%d %H:%M:%S %Z" | sed 's/:/\\:/g')
31 
32 if ! test -f "${RRDFILES}/${HOST}-${INTERFACE}.rrd"
33 then
34 echo "Creating ${RRDFILES}/${HOST}-${INTERFACE}.rrd"
35 ${RRDTOOL} create ${RRDFILES}/${HOST}-${INTERFACE}.rrd \
36 	--step 300 \
37 	DS:ds0:COUNTER:600:0:1250000000 \
38 	DS:ds1:COUNTER:600:0:1250000000  \
39 	RRA:AVERAGE:0.5:1:600 \
40 	RRA:AVERAGE:0.5:6:700 \
41 	RRA:AVERAGE:0.5:24:775 \
42 	RRA:AVERAGE:0.5:288:797 \
43 	RRA:MAX:0.5:1:600 \
44 	RRA:MAX:0.5:6:700 \
45 	RRA:MAX:0.5:24:775 \
46 	RRA:MAX:0.5:288:797
47 fi
48 
49 IN=$(snmp walk -A "${AUTHPASS}" -l authPriv -u ${USER} -X "${PRIVPASS}" ${HOST} ifInOctets.${INTERFACE} | awk '{print $4}')
50 OUT=$(snmp walk -A "${AUTHPASS}" -l authPriv -u ${USER} -X "${PRIVPASS}" ${HOST} ifOutOctets.${INTERFACE} | awk '{print $4}')
51 DESCR=$(snmp walk -A "${AUTHPASS}" -l authPriv -u ${USER} -X "${PRIVPASS}" ${HOST} ifDescr.${INTERFACE} | awk '{print $4}')
52 
53 ${RRDTOOL} update ${RRDFILES}/${HOST}-${INTERFACE}.rrd N:${IN}:${OUT}
54 
55 ${RRDTOOL} graph ${IMAGES}/${HOST}-${INTERFACE}.png \
56 	--start -43200 \
57 	--title "${HOST} - ${VERSION} - ${DESCR}" \
58 	--vertical-label "Bits per Second" \
59 	--watermark "${WATERMARK}" \
60 	--color BACK#ffffff \
61 	--border 0 \
62 	DEF:IN=${RRDFILES}/${HOST}-${INTERFACE}.rrd:ds0:AVERAGE \
63 	DEF:OUT=${RRDFILES}/${HOST}-${INTERFACE}.rrd:ds1:AVERAGE \
64 	CDEF:IN_CDEF="IN,8,*" \
65 	CDEF:OUT_CDEF="OUT,8,*" \
66 	AREA:IN_CDEF#00FF00:"In " \
67 	GPRINT:IN_CDEF:MAX:"Max\:%5.2lf %s" \
68 	GPRINT:IN_CDEF:AVERAGE:"Average\:%5.2lf %s" \
69 	GPRINT:IN_CDEF:LAST:" Current\:%5.2lf %s\n" \
70 	LINE2:OUT_CDEF#0000FF:"Out" \
71 	GPRINT:OUT_CDEF:MAX:"Max\:%5.2lf %s" \
72 	GPRINT:OUT_CDEF:AVERAGE:"Average\:%5.2lf %s" \
73 	GPRINT:OUT_CDEF:LAST:" Current\:%5.2lf %s\n" \
74 	COMMENT:"\\n" \
75 	COMMENT:"  Up for ${UPTIME} at ${NOW}"