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#!@@GOODSH@@
# -*- sh -*-
set -e
: << =cut
=head1 NAME
df - Script to monitor disk usage
=head1 CONFIGURATION
The following environment variables are used by this plugin:
warning - Warning percentage (Default: 92)
critical - Critical percentage (Default: 98)
=head1 MAGIC MARKERS
#%# family=auto
#%# capabilities=autoconf
=cut
# shellcheck disable=SC1090
. "$MUNIN_LIBDIR/plugins/plugin.sh"
df_entries=$(df -P -l 2>/dev/null | sed -e '1d' -e '/\/\//d' -e 's/%//' | sort)
# Use the mountpoint instead of the device name for ambiguous virtual devices (tmpfs, ...).
get_unique_fieldname() {
# do not use "local" - we want to be as portable, as possible
this_device="$1"
this_mountpoint="$2"
case "$this_device" in
tmpfs|none|udev|simfs)
clean_fieldname "$this_mountpoint"
;;
*)
clean_fieldname "$this_device"
;;
esac
}
if [ "$1" = "autoconf" ]; then
if [ -z "$df_entries" ] ; then
echo "no (no mounted filesystems found)"
else
echo yes
fi
exit 0
fi
if [ "$1" = "config" ]; then
echo 'graph_title Disk usage in percent'
echo 'graph_args --upper-limit 100 -l 0'
echo 'graph_vlabel %'
echo 'graph_category disk'
echo 'graph_scale no'
echo "$df_entries" | while read -r dev size used free pct fs; do
name=$(get_unique_fieldname "$dev" "$fs")
echo "$name.label $fs"
print_warning "$name"
print_critical "$name"
done
# exit now if the capability DIRTYCONFIG is missing or disabled
if [ "${MUNIN_CAP_DIRTYCONFIG:-0}" != 1 ]; then exit 0; fi
fi
# output current values
# shellcheck disable=SC2034
echo "$df_entries" | while read -r dev size used free pct fs; do
echo "$(get_unique_fieldname "$dev" "$fs").value $pct"
done
|
