1 #!/bin/sh
2 #
3 # Copyright (c) 2019-2020 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 # Get list of interfaces with: snmpctl snmp walk <host> community public oid ifDescr
18 #
19 test -n "$1" || exit 1
20 test -n "$2" || exit 1
21 HOST="$1"
22 INTERFACE="relayd"
23 COMMUNITY="public"
24 RRDFILES="/home/mischa/relayd"
25 WATERMARK="OpenBSD Amsterdam - https://obsda.ms"
26 IMAGES="/var/www/rrdtool/obsda.ms"
27 RRDTOOL="/usr/local/bin/rrdtool"
28 NOW=$(date "+%Y-%m-%d %H:%M:%S %Z" | sed 's/:/\\:/g')
29 
30 if ! test -f "${RRDFILES}/${HOST}-${INTERFACE}.rrd"
31 then
32 echo "Creating ${RRDFILES}/${HOST}-${INTERFACE}.rrd"
33 ${RRDTOOL} create ${RRDFILES}/${HOST}-${INTERFACE}.rrd \
34 	--step 300 \
35 	DS:ds0:COUNTER:600:0:1250000000 \
36 	DS:ds1:COUNTER:600:0:1250000000  \
37 	RRA:AVERAGE:0.5:1:600 \
38 	RRA:AVERAGE:0.5:6:700 \
39 	RRA:AVERAGE:0.5:24:775 \
40 	RRA:AVERAGE:0.5:288:797 \
41 	RRA:MAX:0.5:1:600 \
42 	RRA:MAX:0.5:6:700 \
43 	RRA:MAX:0.5:24:775 \
44 	RRA:MAX:0.5:288:797
45 fi
46 
47 IN=$(snmpctl snmp get ${HOST} community ${COMMUNITY} oid ifInOctets.${INTERFACE} | cut -d= -f2)
48 OUT=$(snmpctl snmp get ${HOST} community ${COMMUNITY} oid ifOutOctets.${INTERFACE} | cut -d= -f2)
49 DESCR="TEST"
50 
51 ${RRDTOOL} update ${RRDFILES}/${HOST}-${INTERFACE}.rrd N:${IN}:${OUT}
52 
53 ${RRDTOOL} graph ${IMAGES}/${HOST}-${INTERFACE}.png \
54 	--start -43200 \
55 	--title "${HOST} - ${VERSION} - ${DESCR}" \
56 	--vertical-label "Bits per Second" \
57 	--watermark "${WATERMARK}" \
58 	--color BACK#ffffff \
59 	--border 0 \
60 	DEF:IN=${RRDFILES}/${HOST}-${INTERFACE}.rrd:ds0:AVERAGE \
61 	DEF:OUT=${RRDFILES}/${HOST}-${INTERFACE}.rrd:ds1:AVERAGE \
62 	CDEF:IN_CDEF="IN,8,*" \
63 	CDEF:OUT_CDEF="OUT,8,*" \
64 	AREA:IN_CDEF#00FF00:"In " \
65 	GPRINT:IN_CDEF:MAX:"Max\:%5.2lf %s" \
66 	GPRINT:IN_CDEF:AVERAGE:"Average\:%5.2lf %s" \
67 	GPRINT:IN_CDEF:LAST:" Current\:%5.2lf %s\n" \
68 	LINE2:OUT_CDEF#0000FF:"Out" \
69 	GPRINT:OUT_CDEF:MAX:"Max\:%5.2lf %s" \
70 	GPRINT:OUT_CDEF:AVERAGE:"Average\:%5.2lf %s" \
71 	GPRINT:OUT_CDEF:LAST:" Current\:%5.2lf %s\n" \
72 	COMMENT:"\\n" \
73 	COMMENT:"  Up for ${UPTIME} at ${NOW}"