library/roles/postfix-relay: Add the support for nagios nrpe checks.
infrastructure-services: Remove the smtp_relay_nagios_monitoring role, now is all handled by library/roles/postfix-relay.
This commit is contained in:
Andrea Dell'Amico
parent
b41a6ad7ed
commit
f54c2bb457
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@ -1,4 +1,6 @@
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---
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postfix_enabled: True
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postfix_install_packages: True
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# Set it to true when you want configure your machine to send email to a relay
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postfix_relay_client: False
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postfix_biff: "no"
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@ -30,3 +32,13 @@ postfix_message_size_limit: 10240000
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postfix_sasl_packages:
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- sasl2-bin
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postfix_nagios_check: False
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postfix_nagios_checks:
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- check_postfix_mailqueue
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- check_postfix_processed
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nagios_postfix_mailq_w: 20
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nagios_postfix_mailq_c: 50
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nagios_postfix_processed_w: 50
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nagios_postfix_processed_c: 150
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@ -0,0 +1,181 @@
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#!/bin/bash
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###################################################################
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# check_postfix_mailqueue is developped with GPL Licence 2.0
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#
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# GPL License: http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
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#
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# First version developped by : Bjoern Bongermino
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#
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###################################################################
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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####################################################################
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#
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# original https://gist.github.com/alexlehm/8084195
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#
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# created by McArt <hello@mcart.ru> http://www.mcart.ru/
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# Uncomment to enable debugging
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# set -x
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PROGNAME=`basename $0`
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VERSION="Version 2.0"
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AUTHOR="McArt (http://www.mcart.ru)"
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STATE_OK=0
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STATE_WARNING=1
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STATE_CRITICAL=2
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STATE_UNKNOWN=3
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warning=unknown
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critical=unknown
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print_version() {
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echo "$PROGNAME $VERSION $AUTHOR"
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}
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print_help() {
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print_version $PROGNAME $VERSION
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echo ""
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echo "$PROGNAME - Checks postfix mailqueue statistic"
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echo ""
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echo "$PROGNAME is a Nagios plugin which generates statistics"
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echo "for the postfix mailqueue and checks for corrupt messages."
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echo "The following values will be checked:"
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echo "active: Mails being delivered (should be small)"
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echo "deferred: Stuck mails (that will be retried later)"
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echo "corrupt: Messages found to not be in correct format (should be 0)"
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echo "hold: Recent addition, messages put on hold indefinitly - delete of free"
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echo "bounced: Bounced mails"
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echo ""
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echo "Usage: $PROGNAME -w WARN-Level -c CRIT-Level"
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echo ""
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echo "Options:"
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echo " -w)"
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echo " Warning level for active mails"
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echo " -c)"
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echo " Critical level for active mail"
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echo " -h)"
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echo " This help"
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echo " -v)"
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echo " Version"
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exit $STATE_OK
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}
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# Check for parameters
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while test -n "$1"; do
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case "$1" in
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-h)
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print_help
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exit $STATE_OK;;
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-v)
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print_version
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exit $STATE_OK;;
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-w)
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warning=$2
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shift
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;;
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-c)
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critical=$2
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shift
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;;
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*)
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echo "Usage: ./check_postfix_mailqueue2.sh -w <Warning level for active mails> -c <Critical level for active mail>"
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;;
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esac
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shift
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done
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if [ $warning == "unknown" ] || [ $critical == "unknown" ]; then
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echo "You need to specify warning and critical for active mails"
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echo "Usage: ./check_postfix_mailqueue2.sh -w <warn> -c <crit>"
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exit $STATE_UNKNOWN
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fi
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# make sure CRIT is larger than WARN
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if [ $warning -ge $critical ];then
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echo "UNKNOWN: WARN value may not be greater than or equal the CRIT value"
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exit $OK
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fi
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check_postfix_mailqueue() {
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# Can be set via environment, but default is fetched by postconf (if available,
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# else /var/spool/postfix)
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if which postconf > /dev/null ; then
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SPOOLDIR=${spooldir:-`postconf -h queue_directory`}
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else
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SPOOLDIR=${spooldir:-/var/spool/postfix}
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fi
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cd $SPOOLDIR >/dev/null 2>/dev/null || {
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echo -n "Cannot cd to $SPOOLDIR"
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exit $STATE_CRITICAL
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}
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for d in deferred active corrupt hold
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do
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if [ ! -r $d ]
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then
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echo -n "queue dir '$d' is not readable"
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exit $STATE_CRITICAL
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fi
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done
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# Get values
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deferred=`(test -d deferred && find deferred -type f ) | wc -l`
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active=`(test -d active && find active -type f ) | wc -l`
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corrupt=`(test -d corrupt && find corrupt -type f ) | wc -l`
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hold=`( test -d hold && find hold -type f ) | wc -l`
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bounced=`cat /var/log/mail.log | grep bounced | wc -l`
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}
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check_postfix_mailqueue
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values="Deferred mails=$deferred Active deliveries=$active Corrupt mails=$corrupt Mails on hold=$hold Bounced mails=$bounced"
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perfdata="deferred=$deferred;; active=$active;; corrupt=$corrupt;; hold=$hold;; bounced=$bounced;;"
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if [ $corrupt -gt 0 ]; then
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echo -n "Postfix Mailqueue WARNING - $corrupt corrupt messages found! | $perfdata"
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exit $STATE_WARNING
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fi
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if [ $hold -gt 0 ]; then
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echo -n "Postfix Mailqueue WARNING - $hold hold messages found! | $perfdata"
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exit $STATE_WARNING
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fi
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if [ $deferred -gt 0 ]; then
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echo -n "Postfix Mailqueue WARNING - $deferred deferred messages found! | $perfdata"
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exit $STATE_WARNING
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fi
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if [ $bounced -gt 0 ]; then
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echo -n "Postfix Mailqueue WARNING - $bounced bounced messages found! | $perfdata"
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exit $STATE_WARNING
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fi
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if [ $active -gt $critical ]; then
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MES_TO_EXIT="Postfix Mailqueue CRITICAL - $values | $perfdata"
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STATE_TO_EXIT=$STATE_CRITICAL
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elif [ $active -gt $warning ]; then
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MES_TO_EXIT="Postfix Mailqueue WARNING - $values | $perfdata"
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STATE_TO_EXIT=$STATE_WARNING
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else
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MES_TO_EXIT="Postfix Mailqueue OK - $values | $perfdata"
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STATE_TO_EXIT=$STATE_OK
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fi
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echo -n $MES_TO_EXIT
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echo -e "\n"
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exit $STATE_TO_EXIT
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@ -0,0 +1,104 @@
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#!/usr/bin/env bash
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## This program is free software: you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation, either version 3 of the License, or
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## (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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# ===============
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# check_postfixprocessed - plugin to check the number of mail processed by parsing logfiles
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# ===============
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# * mail processor written by Cecil Westerhof & Modifications for nagios by Frank IJskes
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# * Christian Nutz identified the IF as slow on large logfiles, by only checking from the bottom up performance went back to normal
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# version 2 uses AWK to improve processing / lower cpu load
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# plugin return codes:
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# 0 OK
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# 1 Warning
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# 2 Critical
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# 3 Unknown
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NO_OF_SECONDS=300
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POSTFIX_LOG="/var/log/mail.log"
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while getopts "hvw:c:" opt
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do
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case $opt in
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h)
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showhelp=1
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break
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;;
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w)
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warning="$OPTARG"
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;;
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c)
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critical="$OPTARG"
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;;
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v)
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verbose=1
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;;
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esac
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done
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printUsage() {
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echo "Usage: $0 [-h] [-v] -w <warning> -c <critical>"
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echo ""
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echo "Example: $0 -w 50 -c 100"
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}
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printHelp() {
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printUsage
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echo ""
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echo "This plugin checks the number of messages processed by Postfix in the last 5 minutes."
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echo ""
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echo "For more details, see inside the script ;)"
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echo ""
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exit 3
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}
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if [ "$showhelp" = "1" ]; then
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printHelp
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exit 3
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fi
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if [ ! "$warning" ] || [ ! "$critical" ]; then
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printUsage
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exit 3
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fi
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if [ $warning -ge $critical ]; then
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echo "<warning> has to be smaller than <critical>!"
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exit 3
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fi
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if [ ! "$POSTFIX_LOG" ]; then
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echo "Could not find postfix log!"
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exit 3
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fi
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countSentMessages () {
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NOW=`date +%s`
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DATE_FROM=`awk -v now=$NOW -v seconds=$NO_OF_SECONDS 'BEGIN{print strftime("%b %d %T", now-seconds)}'`
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DATE_TO=`awk -v now=$NOW 'BEGIN{print strftime("%b %d %T", now)}'`
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echo `awk '$0>=from && $0<=to' from="$DATE_FROM" to="$DATE_TO" ${POSTFIX_LOG} | grep ' postfix/smtp\[.*, status=sent ' | wc -l`
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}
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sentMessagesCount=`countSentMessages`
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echo "Messages processed in the last $NO_OF_SECONDS seconds: $sentMessagesCount | mailsprocessed=$sentMessagesCount"
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if [ "$sentMessagesCount" -ge "$critical" ]; then
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exit 2
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elif [ "$sentMessagesCount" -ge "$warning" ]; then
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exit 1
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else
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exit 0
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fi
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@ -3,15 +3,19 @@
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- name: Reload postfix
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service: name=postfix state=reloaded
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when: postfix_enabled
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- name: Restart postfix
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service: name=postfix state=restarted
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when: postfix_enabled
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- name: Update the network hash table
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shell: postmap hash:/etc/postfix/network_table
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- name: start saslauth daemon
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service: name=saslauthd state=started enabled=yes
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when: postfix_enabled
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- name: restart saslauth daemon
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service: name=saslauthd state=restarted
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when: postfix_enabled
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@ -1,21 +1,50 @@
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---
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- name: Install postfix and libsas to do mail relay
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action: apt pkg={{ item }} state=present
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with_items:
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- postfix
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- libsasl2-2
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tags:
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- postfix-relay
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- block:
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- name: Write the postfix main configuration file
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template: src=main.cf.j2 dest=/etc/postfix/main.cf owner=root group=root mode=0444
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notify: Restart postfix
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tags:
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- postfix-relay
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- name: Install postfix and libsas to do mail relay
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action: apt pkg={{ item }} state=present update_cache=yes cache_valid_time=1800
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with_items:
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- postfix
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- libsasl2-2
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- name: Activate the submission port on the postfix master file
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template: src=postfix-master.cf.j2 dest=/etc/postfix/master.cf owner=root group=root mode=0444
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notify: Restart postfix
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tags:
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- postfix-relay
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- name: Write the postfix main configuration file
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template: src=main.cf.j2 dest=/etc/postfix/main.cf owner=root group=root mode=0444
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notify: Restart postfix
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- name: Activate the submission port on the postfix master file
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template: src=postfix-master.cf.j2 dest=/etc/postfix/master.cf owner=root group=root mode=0444
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notify: Restart postfix
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- name: Install the postfix NRPE nagios check
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copy: src={{ item }} dest={{ nagios_plugins_dir }}/{{ item }} owner=root group=nagios mode=0555
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with_items: '{{ postfix_nagios_checks }}'
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when: postfix_nagios_check
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tags: [ 'postfix-relay', 'nagios', 'nrpe' ]
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- name: Install the postfix NRPE command configuration
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template: src=postfix-nrpe.cfg.j2 dest={{ nrpe_include_dir }}/postfix-nrpe.cfg owner=root group=root mode=0444
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notify: Reload NRPE server
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when: postfix_nagios_check
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tags: [ 'postfix-relay', 'nagios', 'nrpe' ]
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- name: Ensure that postfix is started and enabled
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service: name=postfix state=started enabled=yes
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when: postfix_enabled
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- name: Ensure that postfix is stopped and disabled
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service: name=postfix state=stopped enabled=no
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when: not postfix_enabled
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when: postfix_install_packages
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tags: postfix-relay
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- block:
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- name: Remove postfix and libsas
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action: apt pkg={{ item }} state=absent
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with_items:
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- postfix
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- libsasl2-2
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when: not postfix_install_packages
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tags: postfix-relay
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@ -0,0 +1,4 @@
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# Postfix mailq
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command[postfix_check_mailqueue]=/usr/bin/sudo {{ nagios_plugins_dir }}/check_postfix_mailqueue -w {{ nagios_postfix_mailq_w }} -c {{ nagios_postfix_mailq_c }}
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# Postfix processed
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command[postfix_check_processed]=/usr/bin/sudo {{ nagios_plugins_dir }}/check_postfix_processed -w {{ nagios_postfix_processed_w }} -c {{ nagios_postfix_processed_c }}
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