Munin contributed plugins

#!/bin/bash

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

                echo yes

                exit 0

fi

zlines=`/sbin/zpool iostat -v| wc -l|sed 's/ //g'`

ztail=`echo "-"$zlines`

ztmp=/var/run/munin/zpool_iostat

zdata=`/sbin/zpool iostat -v 1 1| tail $ztail > $ztmp`

zlist=`cat $ztmp|gawk '/alloc/ {next}; /avail/ {next}; /raid/ {next}; /mirror/ {next}; { if ( $4 >=0 ) print $1}'`

zname=`cat $ztmp|gawk '/alloc/ {next}; /avail/ {next}; /raid/ {next}; /mirror/ {next}; { if ( $4 >=0 ) print $1}'|gawk '{gsub("[^a-zA-Z0-9_]", "_", $1); print}'`

zorder=`for o in $zname; do echo $o'_read '; echo $o'_write '; done`

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

        echo 'graph_title zpool iostat'

        echo 'graph_args --base 1000 -l 0'

        echo 'graph_vlabel write - read KBytes/s'

        echo 'graph_category zfs'

        echo 'graph_scale no'

        echo 'graph_info This graph shows zpool iostat'

	echo 'graph_order '$zorder

	echo $zlist | tr ' ' '\n' | while read i; do

                case $i in

                *) name=`echo $i | gawk '{ gsub("[^a-zA-Z0-9_]", "_", $1); print }'` ;;

                esac

                echo $name'_read.label '$i

		echo $name'_read.type GAUGE'

		echo $name'_read.graph no'

		echo $name'_write.label '$i

		echo $name'_write.type GAUGE'

		echo $name'_write.negative '$name'_read'

        done

        exit 0

fi

echo $zlist | tr ' ' '\n' | while read iz; do

	zlabel=`echo $iz|gawk '{print $1}'`

	case $iz in

	*) name=`echo $iz | gawk '{ gsub("[^a-zA-Z0-9_]", "_", $1); print $1 }'` ;;

	esac

	echo -n $name'_read.value '

	grep '^[ ]*'$zlabel $ztmp|gawk '{print $6}'|gawk '/M/ {print strtonum($1)*1000}; /K/ {print strtonum($1)}; /[0-9]$/ {print int($1)/1000}'

	echo -n $name'_write.value '

	grep '^[ ]*'$zlabel $ztmp|gawk '{print $7}'|gawk '/M/ {print strtonum($1)*1000}; /K/ {print strtonum($1)}; /[0-9]$/ {print int($1)/1000}'

done

rm $ztmp; touch $ztmp