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2a72cc32dd
Using a timed grep with a state computation is usually mostly wrong. The DERIVE field type is specifically designed for that very purpose. Closes #264
126 lines
2.7 KiB
Bash
Executable file
126 lines
2.7 KiB
Bash
Executable file
#! /bin/bash
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#
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# Munin Plugin
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# to count logins to your dovecot mailserver
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#
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# Created by Dominik Schulz <lkml@ds.gauner.org>
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# http://developer.gauner.org/munin/
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# Contributions by:
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# - Stephane Enten <tuf@delyth.net>
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# - Steve Schnepp <steve.schnepp@pwkf.org>
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#
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# Parameters understood:
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#
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# config (required)
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# autoconf (optional - used by munin-config)
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#
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# Config variables:
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#
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# logfile - Where to find the syslog file
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#
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# Add the following line to a file in /etc/munin/plugin-conf.d:
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# env.logfile /var/log/your/logfile.log
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#
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# Magic markers (optional - used by munin-config and installation scripts):
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#
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#%# family=auto
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#%# capabilities=autoconf
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######################
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# Configuration
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######################
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EXPR_BIN=/usr/bin/expr
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LOGFILE=${logfile:-/var/log/mail.log}
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######################
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if [ "$1" = "autoconf" ]; then
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echo yes
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exit 0
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fi
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if [ "$1" = "config" ]; then
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echo 'graph_title Dovecot Logins'
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echo 'graph_category Mail'
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echo 'graph_args --base 1000 -l 0'
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echo 'graph_vlabel Login Counters'
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for t in Total TLS SSL IMAP POP3
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do
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field=$(echo $t | tr '[:upper:]' '[:lower:]')
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echo "login_$field.label $t Logins"
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echo "login_$field.type DERIVE"
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echo "login_$field.min 0"
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done
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echo 'connected.label Connected Users'
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exit 0
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fi
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######################
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# Total Logins
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######################
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echo -en "login_total.value "
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VALUE=$(egrep '[dovecot]?.*Login' $LOGFILE | sort | wc -l)
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if [ ! -z "$VALUE" ]; then
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echo "$VALUE"
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else
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echo "0"
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fi
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echo -n
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######################
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# Connected Users
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######################
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DISCONNECTS=$(egrep '[dovecot]?.*Disconnected' $LOGFILE | sort | wc -l)
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CONNECTS=$(egrep '[dovecot]?.*Login' $LOGFILE | sort | wc -l)
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VALUE=$($EXPR_BIN $CONNECTS - $DISCONNECTS)
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if [ -z "$DISCON" ] || [ "$DISCON" -lt 0 ]; then
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DISCON=0
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fi
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echo -en "connected.value "
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echo $DISCON
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echo -n
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######################
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# TLS Logins
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######################
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echo -en "login_tls.value "
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VALUE=$(egrep '[dovecot]?.*Login.*TLS' $LOGFILE | sort | wc -l)
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if [ ! -z "$VALUE" ]; then
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echo "$VALUE"
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else
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echo "0"
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fi
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echo -n
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######################
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# SSL Logins
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######################
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echo -en "login_ssl.value "
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VALUE=$(egrep '[dovecot]?.*Login.*SSL' $LOGFILE | sort | wc -l)
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if [ ! -z "$VALUE" ]; then
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echo "$VALUE"
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else
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echo "0"
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fi
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echo -n
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######################
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# IMAP Logins
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######################
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echo -en "login_imap.value "
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VALUE=$(egrep '[dovecot]?.*imap.*Login' $LOGFILE | sort | wc -l)
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if [ ! -z "$VALUE" ]; then
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echo "$VALUE"
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else
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echo "0"
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fi
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echo -n
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######################
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# POP3 Logins
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######################
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echo -en "login_pop3.value "
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VALUE=$(egrep '[dovecot]?.*pop3.*Login' $LOGFILE | sort | wc -l)
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if [ ! -z "$VALUE" ]; then
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echo "$VALUE"
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else
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echo "0"
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fi
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echo -n
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