Munin contributed plugins

#!/bin/sh

#

# Plugin to get system uptime and kernel age

#

# Magic markers - optional - used by installation scripts and

# munin-config:

#

#%# family=manual

#%# capabilities=autoconf

if [ "$1" = "autoconf" ]; then

        echo "yes"

        exit 0

fi

if [ "$1" = "config" ]; then

        cat <<EOT

graph_title Uptime

graph_args --base 1000 -l 0

graph_vlabel days

graph_category System

compile.label kernel age

compile.type GAUGE

compile.min 0

compile.max 1000

compile.draw AREA

uptime.label uptime

uptime.type GAUGE

uptime.min 0

uptime.max 1000

uptime.draw AREA

EOT

        exit 0

fi

LANG=C

(

  /bin/date -j +'%s'

  /bin/date -jf '%a %b %d %T %Z %Y' \

    "`/sbin/sysctl kern.version | /usr/bin/sed -Ee '2,9d;s/^kern.version: [^:]+: //'`" +'%s'

  /sbin/sysctl kern.boottime | /usr/bin/sed -Ee 's/.* sec = ([0-9+].*)\,.*/\1/'

) | /usr/bin/awk '

BEGIN {

  getline; now=$0;

  getline; compile=$0

  getline; boot=$0;

  printf "compile.value %.3f\n", (now-compile)/86400

  printf "uptime.value %.3f\n", (now-boot)/86400

}'