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contrib-munin/plugins/lustre/lustre_df_inodes

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#!/usr/bin/perl
# -*- perl -*-
=head1 NAME
lustre_df_inodes - Plugin to monitor Lustre 1.8.x (cluster FS) storage objects MDT,OST's
usage inodes in percents
=head1 CONFIGURATION
Path to lfs binary. Configuration is done through $lfs_bin variable, for example
by default $lfs_bin = "/usr/bin/lfs", see below.
=head1 NOTES
Monitoring node - lustre client with mounted lustre
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=head1 VERSION
$Id: lustre_df_inodes,v 1.3 2011/03/01 10:39:58 fenix Exp $
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=head1 AUTHOR
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Ropchan Sergey <fenix.serega@gmail.com>
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=head1 LICENSE
GPLv2
=cut
use Munin::Plugin;
my $lfs_bin = "/usr/bin/lfs";
if ($ARGV[0] and $ARGV[0] eq "autoconf") {
if (-r $lfs_bin) {
print "yes\n";
exit 0;
} else {
print "no ($lfs_bin found)\n";
exit 0;
}
}
my @output = `$lfs_bin df -i`;
if ($ARGV[0] and $ARGV[0] eq "config") {
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print "graph_title Lustre cluster storage objects inodes usage in percent\n";
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print "graph_args --base 1000\n";
print "graph_vlabel % usage\n";
print "graph_scale no\n";
print "graph_category fs\n";
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&print_labels;
exit 0;
}
sub print_labels {
for $_ (@output) {
#storage objects
if (/^\S+\s+\S+\s+\S+\s+\S+\s+(\d+)\%\s+\S+\[(.*)\:(\d+)\]/i) {
my $name = $2.$3;
print $name.".label ", $name, "\n";
print $name.".min 0\n";
print_thresholds($name,undef,undef,99,100);
}
}
print "summary.label summary", "\n";
print "summary.min 0\n";
print_thresholds("summary",undef,undef,95,98);
}
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&print_values;
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sub print_values {
for $_ (@output) {
#storage objects
if (/^\S+\s+\S+\s+\S+\s+\S+\s+(\d+)\%\s+\S+\[(.*)\:(\d+)\]/i) {
my $name = $2.$3;
print $name.".value ", $1, "\n";
}
#summanary info
if (/^filesystem summary\:\s+\S+\s+\S+\s+\S+\s+(\d+)\%\s+\S+\s/i) {
print "summary.value ", $1, "\n";
}
}
}