+rrdtool

.gitignore

@@ -1 +1,2 @@
 config/atuin/atuin.db*
+rrdtool/*.rrd

rrdtool/cpu_load.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env sh
+
+USER=$(head -n 1 "${HOME}/.env")
+AUTHPASS=$(tail -n 1 "${HOME}/.env")
+RRDFILES="${HOME}/rrdtool"
+IMAGES="${HOME}/rrdimages"
+WATERMARK="moonshadow.dev"
+RRDTOOL="/usr/local/bin/rrdtool"
+UPTIME=$(cat /tmp/uptime.txt)
+NOW=$(date "+%Y-%m-%d %H:%M:%S %Z" | sed 's/:/\\:/g')
+
+if ! test -f "${RRDFILES}/cpu.rrd"; then
+    echo "Creating ${RRDFILES}/cpu.rrd"
+    ${RRDTOOL} create "${RRDFILES}"/cpu.rrd --step 300 DS:ds0:GAUGE:600:U:U RRA:MAX:0.5:1:20000
+fi
+
+CPU_LOAD=$(snmp walk -l authPriv -u "$USER" -A "$AUTHPASS" -X "$AUTHPASS" -a SHA-256 localhost hrProcessorLoad.1 | awk '{print $4}')
+
+${RRDTOOL} update "${RRDFILES}"/cpu.rrd N:"${CPU_LOAD}"
+
+${RRDTOOL} graph "${IMAGES}"/cpu.png \
+    --start -43200 \
+    --title "moonshadow.dev - CPU" \
+    --vertical-label "% CPU Used" \
+    --watermark "${WATERMARK}" \
+    DEF:CPU="${RRDFILES}"/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}"
+

rrdtool/interface.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env sh
+
+USER=$(head -n 1 "${HOME}/.env")
+AUTHPASS=$(tail -n 1 "${HOME}/.env")
+INTERFACE="1"
+RRDFILES="${HOME}/rrdtool"
+IMAGES="${HOME}/rrdimages"
+WATERMARK="moonshadow.dev"
+RRDTOOL="/usr/local/bin/rrdtool"
+UPTIME=$(cat /tmp/uptime.txt)
+NOW=$(date "+%Y-%m-%d %H:%M:%S %Z" | sed 's/:/\\:/g')
+
+if ! test -f "${RRDFILES}/${INTERFACE}.rrd"; then
+    echo "Creating ${RRDFILES}/${INTERFACE}.rrd"
+    ${RRDTOOL} create "${RRDFILES}/${INTERFACE}.rrd" \
+        --step 300 \
+        DS:ds0:COUNTER:600:0:1250000000 \
+        DS:ds1:COUNTER:600:0:1250000000 \
+        RRA:AVERAGE:0.5:1:600 \
+        RRA:AVERAGE:0.5:6:700 \
+        RRA:AVERAGE:0.5:24:775 \
+        RRA:AVERAGE:0.5:288:797 \
+        RRA:MAX:0.5:1:600 \
+        RRA:MAX:0.5:6:700 \
+        RRA:MAX:0.5:24:775 \
+        RRA:MAX:0.5:288:797
+fi
+
+IN=$(snmp get -l authPriv -u "$USER" -A "$AUTHPASS" -X "$AUTHPASS" -a SHA-256 localhost ifInOctets.${INTERFACE} | awk '{print $4}')
+OUT=$(snmp get -l authPriv -u "$USER" -A "$AUTHPASS" -X "$AUTHPASS" -a SHA-256 localhost ifOutOctets.${INTERFACE} | awk '{print $4}')
+DESCR=$(snmp get -l authPriv -u "$USER" -A "$AUTHPASS" -X "$AUTHPASS" -a SHA-256 localhost ifDescr.${INTERFACE} | awk '{print $4}')
+
+${RRDTOOL} update "${RRDFILES}/${INTERFACE}.rrd" N:"${IN}":"${OUT}"
+
+${RRDTOOL} graph "${IMAGES}/${INTERFACE}.png" \
+    --start -43200 \
+    --title "moonshadow.dev - ${DESCR}" \
+    --vertical-label "Bits per Second" \
+    --watermark "${WATERMARK}" \
+    DEF:IN="${RRDFILES}/${INTERFACE}.rrd":ds0:AVERAGE \
+    DEF:OUT="${RRDFILES}/${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}"

rrdtool/uptime.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env sh
+
+USER=$(head -n 1 "${HOME}/.env")
+AUTHPASS=$(tail -n 1 "${HOME}/.env")
+UPTIMEINFO="/tmp/uptime.txt"
+TICKS=$(snmp get -l authPriv -u "$USER" -A "$AUTHPASS" -X "$AUTHPASS" -a SHA-256 localhost hrSystemUptime.0 | cut -d"(" -f2 | cut -d")" -f1)
+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}

rrdtool/wrapper.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env sh
+
+SCRIPTS="${HOME}/rrdtool"
+
+"${SCRIPTS}"/uptime.sh
+"${SCRIPTS}"/cpu_load.sh
+"${SCRIPTS}"/interface.sh