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Maxime Besson, David Bernard [Smile Open Source Solution] 2011-07-19 10:29:48 +02:00 committed by Steve Schnepp
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plugins/other/openvz-load-avg Executable file
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#!/usr/bin/perl
#
# Copyright (c) 2008, Maxime Besson
# Copyright (c) 2011, David Bernard
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
#
# Graph VE load averages on an OpenVZ server
#
# This plugin needs root privileges to call vzlist, so add this :
#
# [openvz_loadavg]
# user root
#
# to your munin config (or use sudo)
#
# Changelog
# version 0.1 - 2008 September 17
# Maxime Besson <mabes@smile.fr>
# - Script creation
# version 0.2 - 2011 July 18
# Bernard David <daber@smile.fr>
# - Script improvements : multigraph
use strict;
my $arg=shift(@ARGV);
# Various tests
if ( ! -d "/proc/vz" ) {
print "This server does not seem to run OpenVZ\n";
exit(1);
}
if ( $> ne "0" ) {
print "Must run as root\n";
exit(1);
}
# Autoconfig
if ( $arg eq "autoconf" ) {
print "yes\n";
} elsif ( $arg eq "config" ) {
print "multigraph openvz_loadavg\n";
print "graph_title loadavg of VE\n";
print "graph_args --base 1000 -l 0 -N\n";
print "graph_scale no\n";
print "graph_vlabel loadavg\n";
print "graph_info Shows 5-minute load average per VE\n";
print "graph_category OpenVZ\n";
# Dynamic config
my @result=`/usr/sbin/vzlist -H -a -s veid -o veid,name`;
my $A=0; # draw an area only under the first line
for (@result ) {
( my $veid,my $label ) = /^\s*(\d+)\s*([\w\-]+)\s*$/ ;
my $name = $label;
$name =~ s/\W/_/g;
print "$name.label $label: load average\n";
print "$name.min 0\n";
if ($A==0) {
print "$name.draw AREA\n";
$A=1;
}else{
print "$name.draw STACK\n";
}
}
for (@result ) {
( my $veid,my $label ) = /^\s*(\d+)\s*([\w\-]+)\s*$/ ;
my $name = $label;
$name =~ s/\W/_/g;
print "multigraph openvz_loadavg.$name\n";
print "graph_title loadavg of VE\n";
print "graph_vlabel loadavg\n";
print "$name.label $label: load average\n";
print "$name.info Average load on $label for the past 5 minutes\n";
print "$name.min 0\n";
print "$name.draw AREA\n";
}
} else {
# Getting the values
my @result=`/usr/sbin/vzlist -H -s veid -o veid,name,laverage`;
my $A=0;
print "multigraph openvz_loadavg\n";
print "graph_title loadavg of VE\n";
print "graph_vlabel loadavg\n";
print "graph_category OpenVZ\n";
for (@result ) {
if (( my $veid,my $label, my $laverage ) = /^\s*(\d+)\s+([\w\-]+)\s+[\d\.]+\/([\d\.]+)\/[\d\.]+\s*$/) {
my $name = $label;
$name =~ s/\W/_/g;
print "$name.label $name\n";
print "$name.min 0\n";
if ($A==0) { print "$name.draw AREA\n"; $A=1; } else { print "$name.draw STACK\n"; }
print "$name.value $laverage\n"
}
}
for (@result ) {
if (( my $veid,my $label, my $laverage ) = /^\s*(\d+)\s+([\w\-]+)\s+[\d\.]+\/([\d\.]+)\/[\d\.]+\s*$/) {
my $name = $label;
$name =~ s/\W/_/g;
print "multigraph openvz_loadavg.$name\n";
print "graph_title loadavg of VE\n";
print "graph_vlabel loadavg\n";
print "$name.value $laverage\n"
}
}
}