Munin contributed plugins

#!/bin/sh

#

# Script to monitor iostat cpu|tps.

#

# Parameters understood:

#

#       config   (required)

#       autoconf (optional - used by munin-config)

judge=`basename $0 | sed 's/^iostat_//g'`

current=`date +%H":"%M":"%S`;

tenMago=`date --date "10 minutes ago" +%H":"%M":"%S`

export LANG=en_US.UTF-8

# autoconf

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

   if ( sar 1 1 >/dev/null 2>&1 ); then

      echo yes

      exit 0

   else

      if [ $? -eq 127 ]; then

         echo "no (could not run \"sar\")"

         exit 1

      else

         echo no

         exit 1

      fi

   fi

fi

ARRAY=( `sar -p -d -s ${tenMago} -e ${current} | grep -v nodev | grep "Average" | awk '{ print $2 , $3 , $10 }'` )

# config

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

        if [ "$judge" == cpu_average ]; then

        echo 'graph_title iostat util'

        echo 'graph_args --upper-limit 100 -l 0'

        echo 'graph_vlabel %'

        echo 'graph_category System'

                for (( i=0 ; i<${#ARRAY[*]} ; i++ )) ; do

                echo "_dev_${ARRAY[i]}.label ${ARRAY[i]}"

                i=`expr $i + 2`

                done

        exit 0

        fi

        if [ "$judge" == tps_average ]; then

        echo 'graph_title iostat tps'

        echo 'graph_args -l 0'

        echo 'graph_vlabel tps'

        echo 'graph_category System'

                for (( i=0 ; i<${#ARRAY[*]} ; i++ )) ; do

                echo "_dev_${ARRAY[i]}.label ${ARRAY[i]}"

                i=`expr $i + 2`

                done

        exit 0

        fi

fi

# other

if [ "$judge" == cpu_average ]; then

for (( i=0 ; i<${#ARRAY[*]} ; i++ )) ; do

        echo -n "_dev_${ARRAY[i]}.value "

        i=`expr $i + 2`

        echo "${ARRAY[i]}"

done

fi

if [ "$judge" == tps_average ]; then

for (( i=0 ; i<${#ARRAY[*]} ; i++ )) ; do

        echo -n "_dev_${ARRAY[i]}.value "

        i=`expr $i + 1`

        echo "${ARRAY[i]}"

        i=`expr $i + 1`

done

fi