plugin-greylistd_stats: greylistd_stats

#!/bin/sh
#
# Plugin to monitor greylistd statistics.
#
# Author: Michael Mende <debian@menole.net>
#
# Usage: Place in /etc/munin/plugins/ (or link it there  using ln -s)
#
# Config variables:
#
#       greylist - path to greylist command
#
# Parameters understood:
#
#       config   (required)
#       autoconf (optional)
#
# Permissions:
#       please ensure that the user running munin-node has the right to access the
#       greylistd socket.
#
#       Add these lines into your /etc/munin/plugin-conf.d/munin-node
#       [greylistd_stats]
#       user greylist
#       group greylist
#
#
# Magic markers (used by munin-node-configure)
#%# capabilities=autoconf
#%# family=auto

if [ -n "$greylist" ]; then GREYLIST=$greylist; else GREYLIST=`which greylist`; fi

if [ "$1" = "autoconf" ]; then
        if [ -n "$GREYLIST" ] && [ -x "$GREYLIST" ]; then
                echo yes
                exit 0
        else
                echo "no (no greylist command)"
                exit 1
        fi
fi

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

        echo "graph_title greylistd statistics"
        echo "graph_order whitelisteditems whitelistedrequests blacklisteditems \
blacklistedrequests greylisteditems greylistedrequests"
        echo 'graph_vlabel requests / items'
        echo "graph_category greylistd"

        echo "greylistedrequests.label grey requests"
        echo "greylistedrequests.max 1000000"
        echo "greylistedrequests.min 0"
        echo "greylistedrequests.type GAUGE"

        echo "greylisteditems.label grey items"
        echo "greylisteditems.max 1000000"
        echo "greylisteditems.min 0"
        echo "greylisteditems.type GAUGE"

        echo "blacklistedrequests.label black requests"
        echo "blacklistedrequests.max 1000000"
        echo "blacklistedrequests.min 0"
        echo "blacklistedrequests.type GAUGE"

        echo "blacklisteditems.label black items"
        echo "blacklisteditems.max 1000000"
        echo "blacklisteditems.min 0"
        echo "blacklisteditems.type GAUGE"

        echo "whitelistedrequests.label white requests"
        echo "whitelistedrequests.max 1000000"
        echo "whitelistedrequests.min 0"
        echo "whitelistedrequests.type GAUGE"

    echo "whitelisteditems.label white items"
    echo "whitelisteditems.max 1000000"
    echo "whitelisteditems.min 0"
    echo "whitelisteditems.type GAUGE"
        exit 0
fi

$GREYLIST stats | awk '/requests, are currently (white|black|grey)listed$/ {
        res[$8$2] = $1
        res[$8$5] = $4
}
END {
        for (var in res)
                print substr(var,0,length(var))".value "res[var]
}'