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#!/bin/sh
#
# Wildcard-plugin to monitor disks. To monitor a disk,
# link io_<function>_<disk> to this file. E.g.
#
# ln -s /usr/share/munin/plugins-auto/io_.kstat /etc/munin/node.d/io_busy_sd0
#
# ...will monitor busy and wait on sd0.
#
# These functions are implemented:
# busy bytes ops
#
# Any device found in /usr/bin/kstat can be monitored.
#
# Configuration variables
#
# io_*_ignore - Perl expression to select devices to ignore
#
# E.g. io_dad_ignore = $F[1] == 0 ignores dad0.
# All fields from the kstat line are in @F. Fields are separated
# by ':' or "\t". $F[0] is the module name, e.g. 'dad'.
# $F[1] is the instance number. $F[2] is the device name , e.g.
# 'dad0'.
#
# $Log$
# Revision 1.5 2004/12/09 17:48:34 jimmyo
# Major improvements to sunos/io_ops,bytes,busy, by Lupe Christoph (SF#1077898).
#
# Revision 1.4 2004/11/21 00:17:12 jimmyo
# Changed a lot of plugins so they use DERIVE instead of COUNTER.
#
# Revision 1.3 2004/05/20 19:02:38 jimmyo
# Set categories on a bunch of plugins
#
# Revision 1.2 2004/04/30 16:43:00 jimmyo
# Cleaned up Solaris plugins.
#
# Revision 1.1 2004/01/02 18:50:01 jimmyo
# Renamed occurrances of lrrd -> munin
#
# Revision 1.1.1.1 2004/01/02 15:18:07 jimmyo
# Import of LRRD CVS tree after renaming to Munin
#
# Revision 1.2 2003/11/07 17:43:16 jimmyo
# Cleanups and log entries
#
#
#
# Magic markers (optional - used by munin-config and some installation
# scripts):
#
#%# family=auto
#%# capabilities=autoconf suggest
FUNCTION=`basename $0 | sed -e 's/io_//' -e 's/_.*//'`
MODULE=`basename $0 | sed 's/^.*_//g'`
CLASS=disk
PERL=${PERL:-@@PERL@@}
if [ -z "$FUNCTION" ]; then
exit
elif [ $FUNCTION = "busy" ]; then
TITLE="Busy & Wait"
IN=rtime
INNAME=busy
OUT=wtime
OUTNAME=wait
CDEF=",100,*"
elif [ $FUNCTION = "bytes" ]; then
TITLE="I/O"
IN=nread
INNAME=$IN
OUT=nwritten
OUTNAME=$OUT
elif [ $FUNCTION = "ops" ]; then
TITLE="Operations"
IN=reads
INNAME=$IN
OUT=writes
OUTNAME=$OUT
fi
if [ "$1" = "autoconf" ]; then
if [ -x /usr/bin/kstat ]; then
echo yes
exit 0
else
echo "no (/usr/bin/kstat not found)"
exit 1
fi
fi
if [ "$1" = "suggest" ]; then
if [ -x /usr/bin/kstat ]; then
kstat -p -c '/disk|nfs|tape/' -s "/^$IN\$/" | sed -e 's/:.*//' -e 's/ssd/sd/' -e '/^fd$/d' | sort -u
exit 0
else
exit 1
fi
fi
REGEX="$MODULE"
if [ $MODULE = "sd" ]; then
REGEX="/^s?sd$/"
NAME="Disk Device"
elif [ $MODULE = "dad" ]; then
NAME="IDE Disk Device"
elif [ $MODULE = "md" ]; then
NAME="Disksuite"
elif [ $MODULE = "nfs" ]; then
NAME="NFS"
CLASS=nfs
elif [ $MODULE = "st" ]; then
NAME="Tape"
CLASS=tape
else
NAME="Unknown"
fi
if $PERL -MSolaris::MapDev -e '' >/dev/null 2>&1; then
HAS_MAPDEV=1
fi
eval IGNORE="\$io_${MODULE}_ignore"
if [ -n "$IGNORE" ]; then
IGNORE="next if $IGNORE;"
fi
if [ "$1" = "config" ]; then
echo "graph_title $NAME $TITLE"
echo 'graph_args --base 1024'
echo 'graph_category disk'
export IN INNAME OUT OUTNAME CDEF
if [ "$HAS_MAPDEV" ]; then
kstat -p -c $CLASS -m $REGEX -s "/^$IN\$/" | \
$PERL -MSolaris::MapDev=inst_to_dev -n -a -F':|\t' \
-e $IGNORE'
$dev = $F[2];
$name = inst_to_dev($dev);
$name =~ s/:/_/g;
$name = length $name ? $name : $dev;
print "${dev}_$ENV{IN}.label ${name}_$ENV{INNAME}\n";
print "${dev}_$ENV{IN}.type DERIVE\n";
print "${dev}_$ENV{IN}.min 0\n";
print "${dev}_$ENV{IN}.max 1000000000\n";
print "${dev}_$ENV{IN}.cdef ${dev}_$ENV{IN}$ENV{CDEF}\n" if exists $ENV{CDEF};
print "${dev}_$ENV{OUT}.label ${name}_$ENV{OUTNAME}\n";
print "${dev}_$ENV{OUT}.type DERIVE\n";
print "${dev}_$ENV{OUT}.min 0\n";
print "${dev}_$ENV{OUT}.max 1000000000\n";
print "${dev}_$ENV{OUT}.cdef ${dev}_$ENV{OUT}$ENV{CDEF}\n" if exists $ENV{CDEF};'
exit 0
else
for dev in `kstat -p -c $CLASS -m $REGEX -s "/^$IN\$/" | $PERL -n -a -F':|\t' -e "$IGNORE"'print $F[2], "\n";'`; do
echo "${dev}_$IN.label ${dev}_$INNAME"
echo "${dev}_$IN.type DERIVE"
echo "${dev}_$IN.min 0"
echo "${dev}_$IN.max 1000000000"
if [ -n "$CDEV" ]; then
echo "${dev}_$IN.cdef ${dev}_$IN$CDEF"
fi
echo "${dev}_$OUT.label ${dev}_$OUTNAME"
echo "${dev}_$OUT.type DERIVE"
echo "${dev}_$OUT.min 0"
echo "${dev}_$OUT.max 1000000000"
if [ -n "$CDEV" ]; then
echo "${dev}_$OUT.cdef ${dev}_$OUT$CDEF"
fi
done
exit 0
fi
fi
kstat -p -c $CLASS -m $REGEX -s "/^($IN|$OUT)\$/" | $PERL -n -a -F':|\t' -e "$IGNORE"'
chomp $F[4];
print $F[2]."_".$F[3].".value ", int($F[4]), "\n";
'
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