Munin contributed plugins

#!/bin/bash

#

# Plugin to monitor incoming Postfix mail.

#

# Parameters understood:

#

# 	config   (required)

# 	autoconf (optional)

#

mktempfile () {

mktemp -t 

}       

MAIL_LOG=${logfile:-/var/log/mail.log}

LOGTAIL=${logtail:-`which logtail`}

STATEFILE=/var/lib/munin/plugin-state/postfix_mailfiltered.offset

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

        if [ -f "${MAIL_LOG}" -a -n "${LOGTAIL}" -a -x "${LOGTAIL}" ] ; then

		echo yes

		exit 0

	else

		echo no

		exit 1

	fi

fi

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

	echo 'graph_title Postfix daily filtering'

	echo 'graph_order relay rbl helo client sender recipient'

	echo 'graph_category mail'

	echo 'graph_vlabel Count'

	echo 'graph_args --base 1000 -l 0'

	echo 'graph_total total'

	echo 'relay.label Relay denied'

	echo 'relay.min 1'

	echo 'rbl.label RBL blocked'

	echo 'rbl.min 1'

	echo 'helo.label HELO rejected'

	echo 'helo.min 1'

	echo 'client.label Client rejected'

	echo 'client.min 1'

	echo 'sender.label Sender rejected'

	echo 'sender.min 1'

	echo 'recipient.label Recipient unknown'

	echo 'recipient.min 1'

        exit 0

fi

relay=u

rbl=U

helo=U

client=U

sender=U

recipient=U

TEMP_FILE=`mktempfile munin-postfix_filtered.XXXXXX`

if [ -n "$TEMP_FILE" -a -f "$TEMP_FILE" ]

then

	$LOGTAIL ${MAIL_LOG} $STATEFILE | grep "postfix\/smtpd\[[0-9]*\]: NOQUEUE: reject:" > ${TEMP_FILE}

	relay=`grep 'Relay access denied' ${TEMP_FILE} | wc -l`

	rbl=`grep 'blocked using' ${TEMP_FILE} | wc -l`

	helo=`grep 'Helo command rejected' ${TEMP_FILE} | wc -l`

	client=`grep 'Client host rejected' ${TEMP_FILE} | wc -l`

        sender=`grep 'Sender address rejected' ${TEMP_FILE} | wc -l`

	recipient=`grep 'Recipient address rejected' ${TEMP_FILE} | grep -v "Greylisted" | wc -l`

	/bin/rm -f $TEMP_FILE

fi

echo "relay.value ${relay}"

echo "rbl.value ${rbl}"

echo "helo.value ${helo}"

echo "client.value ${client}"

echo "sender.value ${sender}"

echo "recipient.value ${recipient}"