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functions.postfix
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#!/bin/sh
#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
#
# function library - please call with external script
#
#!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
#############################################################################
# MoSSHe: remote server monitoring environment
#
# Copyright (C) 2013- Volker Tanger
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# For bug reports and suggestions or if you just want to talk to me please
# contact me at [email protected]
#
# Updates will be available at http://www.wyae.de/software/mosshe/
# please check there for updates prior to submitting patches!
#
# For list of changes please refer to the HISTORY file. Thanks.
#############################################################################
#############################################################################
# Postfix checks - functions below
#############################################################################
#---------------------------------------------------------
# PostfixOutTLS - WARN ALERT
#---------------------------------------------------------
PostfixOutTLS () {
MossheLog "PostfixOutTLS $1 $2"
typeset -i ALERT WARN VALUE RTN
WARN=$1
ALERT=$2
if [ -x /usr/bin/journalctl ]; then
VALUE=`journalctl --since "5 minute ago" -u postfix | fgrep postfix/smtp[ | fgrep 'TLS connection established to ' | wc -l`
if [ "$VALUE" -gt "$ALERT" ]; then
STATUS="ALERT"
MESSAGE="Excessive TLS connections for Postfix $MYGROUP: $MYNAME "
elif [ "$VALUE" -gt "$WARN" ]; then
STATUS="WARN"
MESSAGE="High number of TLS connections for Postfix $MYGROUP: $MYNAME "
else
STATUS="OK"
MESSAGE="Normal TLS connection rate by Postfix $MYGROUP: $MYNAME "
fi
echo "${DATIM};$MYGROUP;$MYNAME;PostfixOutTLS;$STATUS;$VALUE;$MESSAGE" >> $TEMPDIR/tmp.$$.collected.tmp
else
echo "${DATIM};$MYGROUP;$MYNAME;PostfixOutTLS;-5;not a SYSTEMD system" >> $TEMPDIR/tmp.$$.collected.tmp
fi
}
#---------------------------------------------------------
# PostfixInTLS - WARN ALERT
#---------------------------------------------------------
PostfixInTLS () {
MossheLog "PostfixInTLS $1 $2"
typeset -i ALERT WARN VALUE RTN
WARN=$1
ALERT=$2
if [ -x /usr/bin/journalctl ]; then
VALUE=`journalctl --since "5 minute ago" -u postfix | fgrep postfix/smtpd | fgrep 'TLS connection established from ' | wc -l`
if [ "$VALUE" -gt "$ALERT" ]; then
STATUS="ALERT"
MESSAGE="Excessive TLS connections for Postfix $MYGROUP: $MYNAME "
elif [ "$VALUE" -gt "$WARN" ]; then
STATUS="WARN"
MESSAGE="High number of TLS connections for Postfix $MYGROUP: $MYNAME "
else
STATUS="OK"
MESSAGE="Normal TLS connection rate by Postfix $MYGROUP: $MYNAME "
fi
echo "${DATIM};$MYGROUP;$MYNAME;PostfixInTLS;$STATUS;$VALUE;$MESSAGE" >> $TEMPDIR/tmp.$$.collected.tmp
else
echo "${DATIM};$MYGROUP;$MYNAME;PostfixInTLS;-5;not a SYSTEMD system" >> $TEMPDIR/tmp.$$.collected.tmp
fi
}
#---------------------------------------------------------
# PostfixInConnections - WARN ALERT
#---------------------------------------------------------
PostfixInConnections () {
MossheLog "PostfixInConnections $1 $2"
typeset -i ALERT WARN VALUE RTN
WARN=$1
ALERT=$2
if [ -x /usr/bin/journalctl ]; then
VALUE=`journalctl --since "5 minute ago" -u postfix | fgrep ' connect from ' | wc -l`
if [ "$VALUE" -gt "$ALERT" ]; then
STATUS="ALERT"
MESSAGE="Excessive connections for Postfix $MYGROUP: $MYNAME "
elif [ "$VALUE" -gt "$WARN" ]; then
STATUS="WARN"
MESSAGE="High number of connections for Postfix $MYGROUP: $MYNAME "
else
STATUS="OK"
MESSAGE="Normal connection rate by Postfix $MYGROUP: $MYNAME "
fi
echo "${DATIM};$MYGROUP;$MYNAME;PostfixInConnections;$STATUS;$VALUE;$MESSAGE" >> $TEMPDIR/tmp.$$.collected.tmp
else
echo "${DATIM};$MYGROUP;$MYNAME;PostfixInConnections;-5;not a SYSTEMD system" >> $TEMPDIR/tmp.$$.collected.tmp
fi
}
#---------------------------------------------------------
# PostfixNoqueue - WARN ALERT
#---------------------------------------------------------
PostfixNoqueue () {
MossheLog "PostfixNoqueue $1 $2"
typeset -i ALERT WARN VALUE RTN
WARN=$1
ALERT=$2
if [ -x /usr/bin/journalctl ]; then
VALUE=`journalctl --since "5 minute ago" -u postfix | fgrep ' NOQUEUE: reject: ' | wc -l`
if [ "$VALUE" -gt "$ALERT" ]; then
STATUS="ALERT"
MESSAGE="Excessive rejections by Postfix $MYGROUP: $MYNAME "
elif [ "$VALUE" -gt "$WARN" ]; then
STATUS="WARN"
MESSAGE="High number of rejections by Postfix $MYGROUP: $MYNAME "
else
STATUS="OK"
MESSAGE="Normal rejection rate by Postfix $MYGROUP: $MYNAME "
fi
echo "${DATIM};$MYGROUP;$MYNAME;PostfixNoqueue;$STATUS;$VALUE;$MESSAGE" >> $TEMPDIR/tmp.$$.collected.tmp
else
echo "${DATIM};$MYGROUP;$MYNAME;PostfixNoqueue;-5;not a SYSTEMD system" >> $TEMPDIR/tmp.$$.collected.tmp
fi
}
#---------------------------------------------------------
# PostfixSent - WARN ALERT
#---------------------------------------------------------
PostfixSent () {
MossheLog "PostfixSent $1 $2"
typeset -i ALERT WARN VALUE RTN
WARN=$1
ALERT=$2
if [ -x /usr/bin/journalctl ]; then
VALUE=`journalctl --since "5 minute ago" -u postfix | fgrep postfix/smtp | fgrep ' status=sent' | wc -l`
if [ "$VALUE" -gt "$ALERT" ]; then
STATUS="ALERT"
MESSAGE="Excessive mail sending rate by Postfix $MYGROUP: $MYNAME "
elif [ "$VALUE" -gt "$WARN" ]; then
STATUS="WARN"
MESSAGE="High number of mails sent by Postfix $MYGROUP: $MYNAME "
else
STATUS="OK"
MESSAGE="Normal mail sending rate by Postfix $MYGROUP: $MYNAME "
fi
echo "${DATIM};$MYGROUP;$MYNAME;PostfixSent;$STATUS;$VALUE;$MESSAGE" >> $TEMPDIR/tmp.$$.collected.tmp
else
echo "${DATIM};$MYGROUP;$MYNAME;PostfixSent;-5;not a SYSTEMD system" >> $TEMPDIR/tmp.$$.collected.tmp
fi
}
#############################################################################