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