mirror of
https://github.com/munin-monitoring/contrib.git
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137 lines
3.3 KiB
Perl
Executable File
137 lines
3.3 KiB
Perl
Executable File
#! /usr/bin/perl
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# Copyright (C) 2008 Joey Schulze <joey@infodrom.org>
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#
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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; version 2 dated June, 1991.
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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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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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# Rewrite of the postfix_mailstats plugin with Munin::Plugin
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# Source: http://www.infodrom.org/Infodrom/tools/munin.html
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# Supported configuration:
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#
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# [postfix_mailstats]
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# user root
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# group adm
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# env.logdir /var/log
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# env.logfile mail.log
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use strict;
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use warnings;
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use Munin::Plugin;
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my $LOGDIR = $ENV{'logdir'} || '/var/log';
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my $LOGFILE = $ENV{'logfile'} || 'mail.log';
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my $logfile = $LOGDIR .'/'. $LOGFILE;
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my $delivered;
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my %rejects;
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sub autoconf
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{
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if (-d $LOGDIR) {
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if (-f $logfile) {
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if (open(my $f, $logfile)) {
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while (<$f>) {
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if (m,postfix/smtpd\[\d+\]: ,) {
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close $f;
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print "yes\n";
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exit 0;
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}
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}
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print "no (no smtpd logs in logfile)\n";
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close $f;
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} else {
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print "no (logfile not readable)\n";
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}
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} else {
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print "no (logfile not found)\n";
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}
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} else {
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print "no (could not find logdir)\n";
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}
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exit 1;
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}
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sub config
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{
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print "graph_title Postfix message throughput\n";
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print "graph_args --base 1000 -l 0\n";
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print "graph_vlabel mails / \${graph_period}\n";
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print "graph_scale no\n";
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print "graph_total Total\n";
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print "graph_category postfix\n";
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print "delivered.label delivered\n";
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print "delivered.type ABSOLUTE\n";
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print "delivered.draw AREA\n";
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print "delivered.min 0\n";
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foreach my $code (sort keys %rejects) {
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my $name = clean_fieldname('reject ' . $code);
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printf "%s.label reject %d\n", $name, $code;
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printf "%s.type ABSOLUTE\n", $name;
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printf "%s.draw STACK\n", $name;
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printf "%s.min 0\n", $name;
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}
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exit 0;
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}
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sub parse
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{
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my $logfile = shift;
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my $pos = shift;
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my ($log,$rotated) = tail_open $logfile, $pos;
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while (<$log>) {
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if (m,.* postfix/smtpd\[\d+\]: NOQUEUE: reject: [^:]+: (\d+) .*,) {
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$rejects{$1}++;
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next;
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} elsif (m/qmgr.*from=.*size=[0-9]*/) {
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$delivered++;
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next;
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}
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}
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return tail_close $log;
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}
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autoconf if $#ARGV > -1 && $ARGV[0] eq "autoconf";
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my @state_vector = restore_state;
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my $pos = shift @state_vector || 0;
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my $time = shift @state_vector;
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$delivered = shift @state_vector || 0;
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%rejects = @state_vector;
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config if $#ARGV > -1 && $ARGV[0] eq "config";
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if (defined $time) {
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if ($time < time-(60*5)+15) {
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$delivered = 0;
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$rejects{$_} = 0 foreach keys %rejects;
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$pos = parse $logfile, $pos;
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save_state $pos, time, $delivered, %rejects;
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}
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} else {
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# Prevent start peak
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$pos = (stat $logfile)[7];
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save_state $pos, time, $delivered;
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exit 0;
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}
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printf "delivered.value %d\n", $delivered;
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foreach my $code (sort keys %rejects) {
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printf "%s.value %d\n", clean_fieldname('reject ' . $code), $rejects{$code};
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}
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