1 #!/bin/sh
2 #
3 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
4 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
5 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
6 # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
7 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
8 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
9 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
10 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
11 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
12 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
13 # SUCH DAMAGE.
14 #
15 test -n "$1" || exit 1
16 HOST="$1"
17 COMMUNITY="public"
18 RRDFILES="/var/rrdtool"
19 IMAGES="/var/www/htdocs"
20 RRDTOOL="/usr/local/bin/rrdtool"
21 CPUINFO="/tmp/${HOST}-cores.txt"
22 UPTIME=$(cat /tmp/${HOST}-uptime.txt)
23 NOW=$(date "+%Y-%m-%d %H:%M:%S %Z" | sed 's/:/\\:/g')
24 
25 if ! test -f "${RRDFILES}/${HOST}-cores.rrd"
26 then
27 echo "Creating ${RRDFILES}/${HOST}-cores.rrd"
28 ${RRDTOOL} create ${RRDFILES}/${HOST}-cores.rrd \
29 	--step 300 \
30 	DS:ds0:GAUGE:600:U:U \
31 	DS:ds1:GAUGE:600:U:U \
32 	DS:ds2:GAUGE:600:U:U \
33 	DS:ds3:GAUGE:600:U:U \
34 	DS:ds4:GAUGE:600:U:U \
35 	DS:ds5:GAUGE:600:U:U \
36 	DS:ds6:GAUGE:600:U:U \
37 	DS:ds7:GAUGE:600:U:U \
38 	DS:ds8:GAUGE:600:U:U \
39 	DS:ds9:GAUGE:600:U:U \
40 	DS:ds10:GAUGE:600:U:U \
41 	DS:ds11:GAUGE:600:U:U \
42 	RRA:MAX:0.5:1:20000
43 fi
44 
45 snmpctl snmp walk ${HOST} community ${COMMUNITY} oid hrProcessorLoad | cut -d= -f2 > ${CPUINFO}
46 CORES=$(cat ${CPUINFO} | wc -l)
47 ACT_CORES=$((${CORES}/2))
48 CPU_LOAD=$(cat ${CPUINFO} | paste -s -d: - | cut -d: -f1-${ACT_CORES})
49 
50 ${RRDTOOL} update ${RRDFILES}/${HOST}-cores.rrd N:${CPU_LOAD}
51 
52 ${RRDTOOL} graph ${IMAGES}/${HOST}-cores.png \
53 	--start -432000 \
54 	--title "${HOST} - CPU" \
55 	--vertical-label "% CPU Used" \
56 	--watermark "OpenBSD Amsterdam - https://obsda.ms" \
57 	DEF:CORE0=${RRDFILES}/${HOST}-cores.rrd:ds0:AVERAGE \
58 	DEF:CORE1=${RRDFILES}/${HOST}-cores.rrd:ds1:AVERAGE \
59 	DEF:CORE2=${RRDFILES}/${HOST}-cores.rrd:ds2:AVERAGE \
60 	DEF:CORE3=${RRDFILES}/${HOST}-cores.rrd:ds3:AVERAGE \
61 	DEF:CORE4=${RRDFILES}/${HOST}-cores.rrd:ds4:AVERAGE \
62 	DEF:CORE5=${RRDFILES}/${HOST}-cores.rrd:ds5:AVERAGE \
63 	DEF:CORE6=${RRDFILES}/${HOST}-cores.rrd:ds6:AVERAGE \
64 	DEF:CORE7=${RRDFILES}/${HOST}-cores.rrd:ds7:AVERAGE \
65 	DEF:CORE8=${RRDFILES}/${HOST}-cores.rrd:ds8:AVERAGE \
66 	DEF:CORE9=${RRDFILES}/${HOST}-cores.rrd:ds9:AVERAGE \
67 	DEF:CORE10=${RRDFILES}/${HOST}-cores.rrd:ds10:AVERAGE \
68 	DEF:CORE11=${RRDFILES}/${HOST}-cores.rrd:ds11:AVERAGE \
69 	LINE1:CORE0#FFFA00:"CORE0" \
70 	LINE1:CORE1#FFFA00:"CORE1" \
71 	LINE1:CORE2#FFF000:"CORE2" \
72 	LINE1:CORE3#FFE600:"CORE3" \
73 	LINE1:CORE4#FFDC00:"CORE4" \
74 	LINE1:CORE5#FFD200:"CORE5" \
75 	LINE1:CORE6#FFC800:"CORE6" \
76 	LINE1:CORE7#FFBE00:"CORE7" \
77 	LINE1:CORE8#FFB400:"CORE8" \
78 	LINE1:CORE9#FFAA00:"CORE9" \
79 	LINE1:CORE10#FFA000:"CORE10" \
80 	LINE1:CORE11#FF9600:"CORE11" \
81         COMMENT:"\\n" \
82         COMMENT:"  Up for ${UPTIME} at ${NOW}"