Munin contributed plugins

#!/usr/bin/env bash

# -*- sh -*-

: << =cut

=head1 NAME

nfsd - Plugin to monitor NFSv3 client cache activity on FreeBSD

=head1 CONFIGURATION

No configuration

=head1 AUTHORS

Plugin created by Adam Michel, based on work by Alexandre Dupouy, with the assistance of Mike Fedyk

=head1 LICENSE

GPLv2

=head1 MAGIC MARKERS

 #%# family=auto

 #%# capabilities=autoconf

=cut

NFSSTAT=/usr/bin/nfsstat

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

    if [ -x "$NFSSTAT" ]; then

        echo yes

        exit 0

    else

        echo "no (no $NFSSTAT)"

        exit 0

    fi

fi

labels=`$NFSSTAT -c | grep -iv "[0-9]" | tail -n 2 | sed 's/BioRLHits/BioRL\ Hits/g' | awk '{print $1"_"$2,$1"_"$3,$4"_"$5,$4"_"$6,$7"_"$8,$7"_"$9,$10"_"$11,$10"_"$12}' | tr '\n' ' ' | tr '[A-Z]' '[a-z]'`

values=`$NFSSTAT -c | grep -i "[0-9]" | tail -n 2 | tr '\n' ' '`

larray=( $labels )

varray=( $values )

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

    echo 'graph_title NFSv3 Client Cache'

    echo 'graph_args --base 1000 -l 0'

    echo 'graph_vlabel requests / ${graph_period}'

    echo 'graph_total total'

    echo 'graph_category NFS'

    for a in $labels; do echo "$a.label $a" ; echo "$a.type DERIVE"; echo "$a.min 0"; done

    exit 0

fi

for i in {0..15}; do

    label=${larray[$i]}

    value=${varray[$i]}

    echo "$label.value $value"

done