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contrib-munin/plugins/disk/e2

170 lines
3.3 KiB
Bash
Executable File

#!/bin/bash
true << =cut
=head1 NAME
ext2 - Wildcard plugin shows ext2/3/4 filesystem information (mount count, last checked, lifetime writes)
=head1 CONFIGURATION
[ext2_*]
group disk,floppy
=head1 AUTHOR
Andreas Hrubak <>
=head1 LICENSE
GPLv2
=head1 MAGICK MARKERS
#%# family=disk
#%# capabilities=autoconf
=cut
print_details() {
local myname
while read line; do
key=${line%%:*}
val=`echo ${line#*:}`
val1=${val%% *}
[ -z "$line" ] && break
case "$key" in
"Mount count") myname=$1; mc=$val ;;
"Maximum mount count") mmc=$val ;;
"Last checked") lcts=`date +%s -d "$val" 2>/dev/null` ;;
"Check interval") ciis=$val1 ;;
"Lifetime writes") lwGB=$val1 ;;
esac
done
[ -n "$myname" ] && echo "$myname ${mc:-0} ${mmc:-0} ${lcts:-0} ${ciis:-0} ${lwGB:-0}"
}
lse2() {
for name in {h,s}d{a..z}{1..16}; do
if [ -b /dev/$name ]; then
LANG=C dumpe2fs /dev/$name 2>/dev/null | print_details "$name"
fi
done
}
if [ "$1" = "autoconf" ]; then
if which dumpe2fs >/dev/null 2>&1; then
echo yes
exit 0
else
echo no
exit 1
fi
fi
if [ "$1" = "suggest" ]; then
lse2 | while read name rest; do
echo mounts_$name
echo checked_$name
echo writes_$name
done
exit 0
fi
self=${0##*/}
self=${self#*_}
plugin=${self%%_*}
if [ -n "${self//[!_]/}" ]; then
blkdev=${self#*_}
blkdevAppend=" ($blkdev)"
else
blkdev=
blkdevAppend=
fi
if [ "$1" = "config" ]; then
echo "graph_category disk"
args="-l 0"
case "$plugin" in
mounts)
echo "graph_vlabel times"
echo "graph_title Ext2 Filesystem mount details"
;;
checked)
echo "graph_vlabel days"
echo "graph_title Ext2 Filesystem fsck interval"
;;
writes)
args="$args --base 1024"
echo "graph_vlabel bytes"
echo "graph_title Ext2 Filesystem lifetime writes$blkdevAppend"
;;
esac
echo "graph_args $args"
if [ -z "$blkdev" ]; then
lse2
else
LANG=C dumpe2fs /dev/$blkdev 2>/dev/null | print_details "$blkdev"
fi | \
while read name mounts maxmounts last interval writes; do
[ -z "$blkdev" ] && blkdevAppend2=" ($name)" || blkdevAppend2=
case "$plugin" in
mounts)
echo "${name}_mounts.label Mount count$blkdevAppend2"
echo "${name}_mounts.draw LINE2"
echo "${name}_maxmounts.label Max. mount count$blkdevAppend2"
echo "${name}_maxmounts.draw LINE1"
;;
checked)
echo "${name}_last.label Since checked$blkdevAppend2"
echo "${name}_last.draw LINE2"
echo "${name}_last.cdef ${name}_last,86400,/"
echo "${name}_interval.label Check interval$blkdevAppend2"
echo "${name}_interval.draw LINE1"
echo "${name}_interval.cdef ${name}_interval,86400,/"
;;
writes)
echo "${name}_writes.label Lifetime writes$blkdevAppend2"
echo "${name}_writes.type GAUGE"
echo "${name}_writes.draw LINE2"
echo "${name}_writes.cdef ${name}_writes,1073741824,*"
;;
esac
done
exit 0
fi
## fetch ##
if [ -z "$blkdev" ]; then
lse2
else
LANG=C dumpe2fs /dev/$blkdev 2>/dev/null | print_details "$blkdev"
fi | \
while read name mounts maxmounts last interval writes; do
case "$plugin" in
mounts)
echo "${name}_mounts.value $mounts"
echo "${name}_maxmounts.value $maxmounts"
;;
checked)
now=`date +%s`
past=$(( now - last ))
echo "${name}_last.value $past"
echo "${name}_interval.value $interval"
;;
writes)
echo "${name}_writes.value $writes"
;;
esac
done