commit 6154cf3218f09c3539521672f1c23d28c0d7f38a
Author: mischa <mischa@rx.high5.nl>
Date:   Tue Mar 12 16:14:48 2019 +0100

    Initial commit

diff --git a/cores.sh b/cores.sh
new file mode 100755
index 0000000..2bb32e1
--- /dev/null
+++ b/cores.sh
@@ -0,0 +1,82 @@
+#!/bin/sh
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+test -n "$1" || exit 1
+HOST="$1"
+COMMUNITY="public"
+RRDFILES="/var/rrdtool"
+IMAGES="/var/www/htdocs"
+RRDTOOL="/usr/local/bin/rrdtool"
+CPUINFO="/tmp/${HOST}-cores.txt"
+UPTIME=$(cat /tmp/${HOST}-uptime.txt)
+NOW=$(date "+%Y-%m-%d %H:%M:%S %Z" | sed 's/:/\\:/g')
+
+if ! test -f "${RRDFILES}/${HOST}-cores.rrd"
+then
+echo "Creating ${RRDFILES}/${HOST}-cores.rrd"
+${RRDTOOL} create ${RRDFILES}/${HOST}-cores.rrd \
+	--step 300 \
+	DS:ds0:GAUGE:600:U:U \
+	DS:ds1:GAUGE:600:U:U \
+	DS:ds2:GAUGE:600:U:U \
+	DS:ds3:GAUGE:600:U:U \
+	DS:ds4:GAUGE:600:U:U \
+	DS:ds5:GAUGE:600:U:U \
+	DS:ds6:GAUGE:600:U:U \
+	DS:ds7:GAUGE:600:U:U \
+	DS:ds8:GAUGE:600:U:U \
+	DS:ds9:GAUGE:600:U:U \
+	DS:ds10:GAUGE:600:U:U \
+	DS:ds11:GAUGE:600:U:U \
+	RRA:MAX:0.5:1:20000
+fi
+
+snmpctl snmp walk ${HOST} community ${COMMUNITY} oid hrProcessorLoad | cut -d= -f2 > ${CPUINFO}
+CORES=$(cat ${CPUINFO} | wc -l)
+ACT_CORES=$((${CORES}/2))
+CPU_LOAD=$(cat ${CPUINFO} | paste -s -d: - | cut -d: -f1-${ACT_CORES})
+
+${RRDTOOL} update ${RRDFILES}/${HOST}-cores.rrd N:${CPU_LOAD}
+
+${RRDTOOL} graph ${IMAGES}/${HOST}-cores.png \
+	--start -432000 \
+	--title "${HOST} - CPU" \
+	--vertical-label "% CPU Used" \
+	--watermark "OpenBSD Amsterdam - https://obsda.ms" \
+	DEF:CORE0=${RRDFILES}/${HOST}-cores.rrd:ds0:AVERAGE \
+	DEF:CORE1=${RRDFILES}/${HOST}-cores.rrd:ds1:AVERAGE \
+	DEF:CORE2=${RRDFILES}/${HOST}-cores.rrd:ds2:AVERAGE \
+	DEF:CORE3=${RRDFILES}/${HOST}-cores.rrd:ds3:AVERAGE \
+	DEF:CORE4=${RRDFILES}/${HOST}-cores.rrd:ds4:AVERAGE \
+	DEF:CORE5=${RRDFILES}/${HOST}-cores.rrd:ds5:AVERAGE \
+	DEF:CORE6=${RRDFILES}/${HOST}-cores.rrd:ds6:AVERAGE \
+	DEF:CORE7=${RRDFILES}/${HOST}-cores.rrd:ds7:AVERAGE \
+	DEF:CORE8=${RRDFILES}/${HOST}-cores.rrd:ds8:AVERAGE \
+	DEF:CORE9=${RRDFILES}/${HOST}-cores.rrd:ds9:AVERAGE \
+	DEF:CORE10=${RRDFILES}/${HOST}-cores.rrd:ds10:AVERAGE \
+	DEF:CORE11=${RRDFILES}/${HOST}-cores.rrd:ds11:AVERAGE \
+	LINE1:CORE0#FFFA00:"CORE0" \
+	LINE1:CORE1#FFFA00:"CORE1" \
+	LINE1:CORE2#FFF000:"CORE2" \
+	LINE1:CORE3#FFE600:"CORE3" \
+	LINE1:CORE4#FFDC00:"CORE4" \
+	LINE1:CORE5#FFD200:"CORE5" \
+	LINE1:CORE6#FFC800:"CORE6" \
+	LINE1:CORE7#FFBE00:"CORE7" \
+	LINE1:CORE8#FFB400:"CORE8" \
+	LINE1:CORE9#FFAA00:"CORE9" \
+	LINE1:CORE10#FFA000:"CORE10" \
+	LINE1:CORE11#FF9600:"CORE11" \
+        COMMENT:"\\n" \
+        COMMENT:"  Up for ${UPTIME} at ${NOW}"
diff --git a/cpu_load.sh b/cpu_load.sh
new file mode 100755
index 0000000..4363ea7
--- /dev/null
+++ b/cpu_load.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+test -n "$1" || exit 1
+HOST="$1"
+COMMUNITY="public"
+RRDFILES="/var/rrdtool"
+IMAGES="/var/www/htdocs"
+RRDTOOL="/usr/local/bin/rrdtool"
+CPUINFO="/tmp/${HOST}-cpu.txt"
+UPTIME=$(cat /tmp/${HOST}-uptime.txt)
+NOW=$(date "+%Y-%m-%d %H:%M:%S %Z" | sed 's/:/\\:/g')
+
+if ! test -f "${RRDFILES}/${HOST}-cpu.rrd"
+then
+echo "Creating ${RRDFILES}/${HOST}-cpu.rrd"
+${RRDTOOL} create ${RRDFILES}/${HOST}-cpu.rrd \
+	--step 300 \
+	DS:ds0:GAUGE:600:U:U \
+	RRA:MAX:0.5:1:20000
+fi
+
+snmpctl snmp walk ${HOST} community ${COMMUNITY} oid hrProcessorLoad | cut -d= -f2 > ${CPUINFO}
+CORES=$(grep -cv "^0$" ${CPUINFO})
+CPU_LOAD_SUM=$(awk '{sum += $1} END {print sum}' ${CPUINFO})
+CPU_LOAD=$(echo "scale=2; ${CPU_LOAD_SUM}/${CORES}" | bc -l)
+
+${RRDTOOL} update ${RRDFILES}/${HOST}-cpu.rrd N:${CPU_LOAD}
+
+${RRDTOOL} graph ${IMAGES}/${HOST}-cpu.png \
+	--start -43200 \
+	--title "${HOST} - CPU" \
+	--vertical-label "% CPU Used" \
+	--watermark "OpenBSD Amsterdam - https://obsda.ms" \
+	DEF:CPU=${RRDFILES}/${HOST}-cpu.rrd:ds0:AVERAGE \
+	AREA:CPU#FFCC00 \
+	LINE2:CPU#CC0033:"CPU" \
+	GPRINT:CPU:MAX:"Max\:%2.2lf %s" \
+	GPRINT:CPU:AVERAGE:"Average\:%2.2lf %s" \
+	GPRINT:CPU:LAST:" Current\:%2.2lf %s\n" \
+	COMMENT:"\\n" \
+	COMMENT:"  SUM CPU Load / Active Cores = % CPU Used\n" \
+	COMMENT:"  Up for ${UPTIME} at ${NOW}"
diff --git a/interface.sh b/interface.sh
new file mode 100755
index 0000000..4084f4c
--- /dev/null
+++ b/interface.sh
@@ -0,0 +1,67 @@
+#!/bin/sh
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+test -n "$1" || exit 1
+test -n "$2" || exit 1
+HOST="$1"
+INTERFACE="$2"
+COMMUNITY="public"
+RRDFILES="/var/rrdtool"
+IMAGES="/var/www/htdocs"
+RRDTOOL="/usr/local/bin/rrdtool"
+UPTIME=$(cat /tmp/${HOST}-uptime.txt)
+NOW=$(date "+%Y-%m-%d %H:%M:%S %Z" | sed 's/:/\\:/g')
+
+if ! test -f "${RRDFILES}/${HOST}-${INTERFACE}.rrd"
+then
+echo "Creating ${RRDFILES}/${HOST}-${INTERFACE}.rrd"
+${RRDTOOL} create ${RRDFILES}/${HOST}-${INTERFACE}.rrd \
+	--step 300 \
+	DS:ds0:COUNTER:600:0:1250000000 \
+	DS:ds1:COUNTER:600:0:1250000000  \
+	RRA:AVERAGE:0.5:1:600 \
+	RRA:AVERAGE:0.5:6:700 \
+	RRA:AVERAGE:0.5:24:775 \
+	RRA:AVERAGE:0.5:288:797 \
+	RRA:MAX:0.5:1:600 \
+	RRA:MAX:0.5:6:700 \
+	RRA:MAX:0.5:24:775 \
+	RRA:MAX:0.5:288:797
+fi
+
+IN=$(snmpctl snmp get ${HOST} community ${COMMUNITY} oid ifInOctets.${INTERFACE} | cut -d= -f2)
+OUT=$(snmpctl snmp get ${HOST} community ${COMMUNITY} oid ifOutOctets.${INTERFACE} | cut -d= -f2)
+DESCR=$(snmpctl snmp get ${HOST} community ${COMMUNITY} oid ifDescr.${INTERFACE} | cut -d= -f2 | tr -d '"')
+
+${RRDTOOL} update ${RRDFILES}/${HOST}-${INTERFACE}.rrd N:${IN}:${OUT}
+
+${RRDTOOL} graph ${IMAGES}/${HOST}-${INTERFACE}.png \
+	--start -43200 \
+	--title "${HOST} - ${DESCR}" \
+	--vertical-label "Bits per Second" \
+	--watermark "OpenBSD Amsterdam - https://obsda.ms" \
+	DEF:IN=${RRDFILES}/${HOST}-${INTERFACE}.rrd:ds0:AVERAGE \
+	DEF:OUT=${RRDFILES}/${HOST}-${INTERFACE}.rrd:ds1:AVERAGE \
+	CDEF:IN_CDEF="IN,8,*" \
+	CDEF:OUT_CDEF="OUT,8,*" \
+	AREA:IN_CDEF#00FF00:"In " \
+	GPRINT:IN_CDEF:MAX:"Max\:%5.2lf %s" \
+	GPRINT:IN_CDEF:AVERAGE:"Average\:%5.2lf %s" \
+	GPRINT:IN_CDEF:LAST:" Current\:%5.2lf %s\n" \
+	LINE2:OUT_CDEF#0000FF:"Out" \
+	GPRINT:OUT_CDEF:MAX:"Max\:%5.2lf %s" \
+	GPRINT:OUT_CDEF:AVERAGE:"Average\:%5.2lf %s" \
+	GPRINT:OUT_CDEF:LAST:" Current\:%5.2lf %s\n" \
+	COMMENT:"\\n" \
+	COMMENT:"  Up for ${UPTIME} at ${NOW}"
diff --git a/uptime.sh b/uptime.sh
new file mode 100755
index 0000000..7950cb3
--- /dev/null
+++ b/uptime.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+test -n "$1" || exit 1
+HOST="$1"
+COMMUNITY="public"
+UPTIMEINFO="/tmp/${HOST}-uptime.txt"
+
+TICKS=$(snmpctl snmp get ${HOST} community ${COMMUNITY} oid hrSystemUptime.0 | cut -d= -f2)
+DAYS=$(echo "${TICKS}/8640000" | bc -l)
+HOURS=$(echo "0.${DAYS##*.} * 24" | bc -l)
+MINUTES=$(echo "0.${HOURS##*.} * 60" | bc -l)
+SECS=$(echo "0.${MINUTES##*.} * 60" | bc -l)
+test -n "$DAYS" && printf '%s days, ' "${DAYS%.*}" > ${UPTIMEINFO}
+printf '%02d\\:%02d\\:%02d\n' "${HOURS%.*}" "${MINUTES%.*}" "${SECS%.*}" >> ${UPTIMEINFO}
diff --git a/wrapper.sh b/wrapper.sh
new file mode 100755
index 0000000..3ff512b
--- /dev/null
+++ b/wrapper.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+SCRIPTS="/var/rrdtool"
+
+for i in $(jot 2 1); do ${SCRIPTS}/uptime.sh host${i}.domain.tld; done
+for i in $(jot 2 1); do ${SCRIPTS}/cpu_load.sh host${i}.domain.tld; done
+${SCRIPTS}/interface.sh host1.domain.tld 12
+${SCRIPTS}/interface.sh host2.domain.tld 11