Munin contributed plugins

#!/bin/sh

#

# Plugin to count specific log categories for courier servers (pop3/imap)

#

# Magic markers - optional - used by installation scripts and

# munin-config:

#

#%# family=manual

#%# capabilities=suggest

CATEGORIES="peer_reset Reset_by_peer Connection reset by peer

	conn_timeout Connection_timeout Connection timed out

	disconnected Disconnected DISCONNECTED

	timeout Timeout TIMEOUT

	login Login LOGIN

	logout Logout LOGOUT

	mem_full FAM_needs_restart malloc: Input/output error

	conn_full Connection_limit_reached malloc: Input/output error"

LOG_FILE=${LOG_FILE:-/var/log/mail.info}

SUGGESTIONS="pop3d pop3d-ssl imapd imapd-ssl"

# "autoconf" and "suggest" only work reliably if the mail server already

# contains some log entries.

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

	[ ! -e "$LOG_FILE" ] && echo "no (no log file found: $LOG_FILE)" && exit 0

	for suggestion in $SUGGESTIONS; do

		grep -q " $suggestion: " "$LOG_FILE" && echo "yes" && exit 0

	 done

	# no suitable line found in the log file

	echo "no (no courier pop3d/imapd lines in $LOG_FILE found)"

        exit 0

fi

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

	for suggestion in $SUGGESTIONS; do

		grep -q " $suggestion: " "$LOG_FILE" && echo "$suggestion"

	 done

	exit 0

fi

type=$(basename "$0" | tr "_" "\n" | tail -1)

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

	cat <<EOT

graph_title Courier log ($type)

graph_args --base 1000 -l 0 

graph_vlabel events per second

graph_category Mail

EOT

echo "$CATEGORIES" | while read field label match; do

	echo "${field}.label $(echo "$label" | tr "_" " ")"

	echo "${field}.type DERIVE"

	echo "${field}.min 0"

 done

exit 0

fi

echo "$CATEGORIES" | while read field label match; do

	echo -n "${field}.value "

	grep " $type: " "$LOG_FILE" | grep "$match" | wc -l

 done