/usr/share/munin/plugins/munin_stats is in munin-node 1.4.6-3ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | #!/usr/bin/perl
# -*- perl -*-
#
# Copyright (C) 2006-2009 Rodolphe Quiedeville <rodolphe@quiedeville.org>
#
# 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; version 2 dated June,
# 1991.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# $Id: munin_stats.in 3263 2009-12-27 15:25:23Z lupe $
#
# Magic markers (used by munin-node-configure and some installation scripts):
#%# family=auto
#%# capabilities=autoconf
use strict;
use warnings;
use Munin::Plugin;
my @logs = qw/update graph html limits/;
my $logdir = ($ENV{'logdir'} || $ENV{'MUNIN_LOGDIR'} || '/var/log/munin');
if ($ARGV[0] and $ARGV[0] eq 'autoconf') {
my $munin_update_location =
"$Munin::Common::Defaults::MUNIN_LIBDIR/munin-update";
if (! -e $munin_update_location) {
print "no (munin-update was not found at $munin_update_location)\n";
exit 0;
}
if (! -x $munin_update_location) {
print "no ($munin_update_location was found, but is not executable)\n";
exit 0;
}
else {
print "yes\n";
exit 0;
}
}
if ($ARGV[0] and $ARGV[0] eq "config") {
print "graph_title Munin processing time\n",
"graph_info This graph shows the run time of the four different processes making up a munin-master run. Munin-master is run from cron every 5 minutes and we want each of the programmes in munin-master to complete before the next instance starts. Especially munin-update and munin-graph are time consuming and their run time bears watching. If munin-update uses too long time to run please see the munin-update graph to determine which host is slowing it down. If munin-graph is running too slow you need to get clever (email the munin-users mailing list) unless you can buy a faster computer with better disks to run munin on.\n",
"graph_args --base 1000 -l 0\n",
"graph_scale yes\n",
"graph_vlabel seconds\n",
"graph_category munin\n";
foreach my $log (@logs) {
print "$log.label munin $log\n";
print "$log.draw AREASTACK\n";
}
print "update.warning 240\n";
print "update.critical 285\n";
print "graph.warning 240\n";
print "graph.critical 285\n";
exit 0;
}
my %positions = restore_state();
my %times;
foreach my $log (@logs) {
my $logfile = "$logdir/munin-$log.log";
my $time = 'U';
if (! -r $logfile) {
print "$log.extinfo Can't open $logfile for reading\n";
print "$log.value $time\n";
next;
}
if (exists $positions{$log}) {
my ($LOGFILE, undef) = tail_open($logfile, $positions{$log});
while (<$LOGFILE>) {
$time = $1 if (/finished \((\d+\.\d+)\ssec\)$/);
}
$positions{$log} = tail_close($LOGFILE);
}
else {
# Do nothing on first run except find the current file end.
$positions{$log} = (stat $logfile)[7];
}
print "$log.value $time\n";
}
save_state(%positions);
# vim: ft=perl : ts=4 : expandtab
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