Munin contributed plugins

#!/bin/bash

#

# Plugin to monitor clock offset and delay, using ntpdate

#

# Parameters understood:

#

# 	config   (required)

#

# Author: Rune Nordb?e Skillingstad <rune.skillingstad@ntnu.no>

#

# Magic markers - optional - used by installation scripts and

# munin-node-configure:

#

#%# family=manual

#%# capabilities=

#

NTPDATE="/usr/sbin/ntpdate"

PEER=$(basename $0 | sed -e 's/^ntpdate_//' -e 's/_/./g')

if [ ! -x "$NTPDATE" ]; then

  echo "Can't find ntpdate executable"

  exit 1

fi

if [ "$PEER" = "" ]; then

  echo "Unknown peer"

  exit 1

fi

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

  echo "graph_title NTP offset and delay to peer $PEER"

  echo "graph_args --base 1000 --vertical-label msec"

  echo "offset.label Offset"

  echo "offset.draw LINE2"

  echo "delay.label Delay"

  echo "delay.draw LINE2"

  exit 0

fi

LANG=en_US

DATA=($($NTPDATE -q $PEER | awk '/^server.*offset/{gsub(/,/,"");if(dela==0||$8<dela){offs=$6;dela=$8;}}END{print offs*1000,dela*1000;}'))

[ -z "$DATA" -o "x$DATA" = "x0" ] && exit 1

echo "offset.value ${DATA[0]}"

echo "delay.value ${DATA[1]}"

exit 0