add plugins
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@ -36,6 +36,9 @@ COPY ssmtp.conf /etc/ssmtp/ssmtp.conf
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COPY revaliases /etc/ssmtp/revaliases
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COPY munin_mail.conf /etc/munin/munin-conf.d/munin_mail.conf
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COPY munin_stats /etc/munin/plugins/munin_stats
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COPY munin_update /etc/munin/plugins/munin_update
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# copy launcher
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COPY run.sh /usr/local/bin/run
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RUN chmod +x /usr/local/bin/run
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@ -1,3 +1,5 @@
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includedir /etc/munin/munin-conf.d
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munin-server:127.0.0.1
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# remote host
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@ -0,0 +1,118 @@
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#!/usr/bin/perl
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#
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# Copyright (C) 2006-2009 Rodolphe Quiédeville <rodolphe@quiedeville.org>
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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; version 2 dated June,
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# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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#
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# Magic markers (used by munin-node-configure and some installation scripts):
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#%# family=auto
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#%# capabilities=autoconf
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use strict;
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use warnings;
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use Munin::Plugin;
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my $missing_module = undef;
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$missing_module = "File::ReadBackwards" unless (eval "require File::ReadBackwards");
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my @logs = qw/update graph html limits/;
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my $logdir = ($ENV{'logdir'} || $ENV{'MUNIN_LOGDIR'} || '/var/log/munin');
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if ($ENV{'fields'}) {
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@logs = split(/ +/, $ENV{'fields'});
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}
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sub uses_graph_cron {
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my $log_file = $_[0];
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my $bw = File::ReadBackwards->new($log_file) or
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die "can't read 'log_file' $!";
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if (defined(my $log_line = $bw->readline)) {
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if ($log_line =~ ('.*graphing is cgi, do nothing$')) {
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return 0;
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} else {
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return 1;
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}
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} else {
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return 1;
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}
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}
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if ($ARGV[0] and $ARGV[0] eq 'autoconf') {
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my $munin_update_location =
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"$Munin::Common::Defaults::MUNIN_LIBDIR/munin-update";
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if (! -e $munin_update_location) {
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print "no (munin-update was not found at $munin_update_location)\n";
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} elsif (! -x $munin_update_location) {
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print "no ($munin_update_location was found, but is not executable)\n";
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} elsif (defined($missing_module)) {
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print "no (missing Perl module: '$missing_module')\n";
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} else {
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print "yes\n";
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}
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exit 0;
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}
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if ($ARGV[0] and $ARGV[0] eq "config") {
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print "graph_title Munin processing time\n",
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"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. If munin-update uses too long time to run please see the munin-update graph to determine which host is slowing it down.\n",
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"graph_args --base 1000 -l 0\n",
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"graph_scale yes\n",
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"graph_vlabel seconds\n",
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"graph_category munin\n";
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foreach my $log (@logs) {
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print "$log.label munin $log\n";
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print "$log.draw AREASTACK\n";
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next unless $log eq "update" || $log eq "graph";
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print_thresholds("$log", undef, undef, 240, 285);
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}
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exit 0;
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}
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if (defined($missing_module)) {
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die "Failed to run due to missing Perl module '$missing_module'";
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}
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foreach my $log (@logs) {
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my $logfile = "$logdir/munin-$log.log";
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my $time = 'U';
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if (! -r $logfile) {
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print "$log.extinfo Can't open $logfile for reading\n";
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print "$log.value $time\n";
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next;
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}
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my $bw = File::ReadBackwards->new("$logdir/munin-$log.log") or
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die "can't read 'log_file' $!";
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my $found_previous_finished = 0;
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while(defined(my $log_line = $bw->readline) && $found_previous_finished == 0) {
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if ($log_line =~ (/(finished|generated) \((\d+\.\d+)\ssec\)$/)) {
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$time = $2;
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$found_previous_finished = 1;
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}
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}
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if ($log ne "graph" || uses_graph_cron("$logdir/munin-$log.log")) {
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print "$log.value $time\n";
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}
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}
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@ -0,0 +1,123 @@
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#!/bin/sh
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: <<=cut
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=head1 NAME
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munin_update - Munin plugin to graph the time to query about each host from the nodes.
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=head1 APPLICABLE SYSTEMS
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Munin master servers.
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=head1 CONFIGURATION
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Normally needs no configuration. You may configure it with the
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following parameter:
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[munin*]
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env.UPDATE_STATSFILE .../munin-update.stats
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env.MUNIN_UPDATE_LOCACTION .../munin-update
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The first is the statistics file for munin update.
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The exact location of this file is package/site specific, but
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munin_update will know where it is unless you have made changes.
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=head1 INTERPRETATION
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The script reads the munin-update "stats" file to determine how long
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it takes to query the nodes about each host configured in Munin.
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Munin is run from cron every 5 minutes and before the next run of
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munin-update the previous run needs to be done. Each run of
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munin-update forks one process pr. host that needs to get data
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collected, so all collection runs in parallel.
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Any host that is slow, for example slower than 4 miniutes, causes a
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risk that the next run of munin-update must be canceled due to the
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lateness of the previous run. In such cases there will be single line
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gaps in the "by day" graph.
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Keep your hosts updating quickly and all will be well.
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=head1 MAGIC MARKERS
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#%# family=manual
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#%# capabilities=autoconf
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=head1 BUGS
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Munin-update is always run at the same time as this plugin runs -
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therefore the stats file may be incompletely written and the plugin
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will likely show a incomplete list of hosts. It should be using
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munin-update.old-stats, which is not currently even made.
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Munin-update removes the "domain" information on all hosts. If there
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are two hosts with the same host name in different domains then one of
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them will be disappeared by the munin-update collection process.
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=head1 AUTHOR
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The munin_update plugin has been included in munin for many years (at
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least 2004). The most likely author is one of the original munin team.
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Documentation and updating to 2009 for Munin 1.4 by Nicolai Langfeldt.
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(C) 2004-2009 The Munin Team, Redpill Linpro AS
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=head1 LICENSE
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GPLv2
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=cut
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. "$MUNIN_LIBDIR/plugins/plugin.sh"
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UPDATE_STATSFILE=${UPDATE_STATSFILE:-$MUNIN_DBDIR/munin-update.stats}
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MUNIN_UPDATE_LOCATION=${MUNIN_UPDATE_LOCATION:-$MUNIN_LIBDIR/munin-update}
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if [ "$1" = "autoconf" ]; then
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if [ -e "$MUNIN_UPDATE_LOCATION" ] ; then
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echo "yes"
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else
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echo "no ($MUNIN_UPDATE_LOCATION is not present so this is not a munin-master)"
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fi
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exit 0
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fi
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if [ "$1" = "config" ]; then
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[ -f "$UPDATE_STATSFILE" ] || {
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echo 'graph_title Plugin error'
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echo "graph_info Plugin cannot read stats file $UPDATE_STATSFILE"
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echo 'error.label Error'
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echo 'error.critical 1'
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exit 0
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}
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echo 'graph_title Munin-update'
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echo 'graph_vlabel seconds'
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echo 'graph_category munin'
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echo 'graph_info This graph shows the time it takes to collect data from each hosts that munin collects data on. Munin-master is run from cron every 5 minutes and we want each of the munin-update runs to complete before the next one starts. If munin-update uses too long time to run on one host run it with --debug to determine which plugin(s) are slow and solve the problem with them if possible.'
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sed '/^UD|/!d; s/.*;//; s/|/ /;' < "$UPDATE_STATSFILE" | sort |
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while read -r i j; do
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name="$(clean_fieldname "$i")"
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echo "$name.label $i"
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warning=${warning:-240} critical=${critical:-285} print_thresholds "$name"
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done
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exit 0
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fi
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[ -f "$UPDATE_STATSFILE" ] || {
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echo 'error.value 1'
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echo "error.extinfo Plugin cannot read stats file $UPDATE_STATSFILE"
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exit 0
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}
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sed '/^UD|/!d; s/.*;//; s/|/ /;' < "$UPDATE_STATSFILE" | sort |
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while read -r i j; do
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name="$(clean_fieldname "$i")"
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echo "$name.value $j"
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done
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4
run.sh
4
run.sh
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@ -23,10 +23,6 @@ sed -i "s/^\( *address\) 127\.0\.0\.1\$/\1 $THISNODEIP/" /etc/munin/munin.conf
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THISSERVERNAME=${SERVERNAME:="munin"}
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sed -i "s/^\[localhost\.localdomain\]/\[$SERVERNAME\]/g" /etc/apache2/sites-available/000-default.conf
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if [[ $DISABLELOCALNODE == "yes" ]] ; then
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echo "includedir /etc/munin/munin-conf.d" > /etc/munin/munin.conf
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fi
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# configure mail notification
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if [[ -n "$MAILCONTACT" && -n "$MAILSERVER" && -n "$MAILPORT" && -n "$MAILUSER" && -n "$MAILPASSWORD" && -n "$MAILDOMAIN" ]] ; then
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