contrib-munin/plugins/courier/courier_log

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#!/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