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contrib-munin/plugins/zfs/zpool_iostat

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#!/bin/bash
if [ "$1" = "autoconf" ]; then
echo yes
exit 0
fi
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zlines=`/sbin/zpool iostat -v| wc -l|sed 's/ //g'`
ztail=`echo "-"$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}'`
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zorder=`for o in $zname; do echo $o'_read '; echo $o'_write '; done`
if [ "$1" = "config" ]; then
echo 'graph_title zpool iostat'
echo 'graph_args --base 1000 -l 0'
echo 'graph_vlabel write - read KBytes/s'
echo 'graph_category fs'
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echo 'graph_scale no'
echo 'graph_info This graph shows zpool iostat'
echo 'graph_order '$zorder
echo $zlist | tr ' ' '\n' | while read i; do
case $i in
*) name=`echo $i | gawk '{ gsub("[^a-zA-Z0-9_]", "_", $1); print }'` ;;
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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}'`
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case $iz in
*) name=`echo $iz | gawk '{ gsub("[^a-zA-Z0-9_]", "_", $1); print $1 }'` ;;
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esac
echo -n $name'_read.value '
gawk '{ if ($1 == "'"$zlabel"'") print $6; }' "$ztmp"|gawk '/M/ {print strtonum($1)*1000}; /K/ {print strtonum($1)}; /[0-9]$/ {print int($1)/1000}'
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echo -n $name'_write.value '
gawk '{ if ($1 == "'"$zlabel"'") print $7; }' "$ztmp"|gawk '/M/ {print strtonum($1)*1000}; /K/ {print strtonum($1)}; /[0-9]$/ {print int($1)/1000}'
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done
rm $ztmp; touch $ztmp