Additional scripts for Zabbix agent on Linux to discover and monitor several services
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#!/usr/bin/perl -w
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use JSON;
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opendir(my $dh, "/sys/block") or die "Couldn't open /sys/block: $!";
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my @blocks = grep { $_ !~ m/^\./ } readdir($dh);
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closedir($dh);
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my $json;
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foreach my $block (@blocks){
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my $removable = 0;
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if ( -e "/sys/block/$block/removable"){
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open REMOVABLE, "/sys/block/$block/removable";
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$removable = join "", <REMOVABLE>;
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close REMOVABLE;
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chomp($removable);
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next if ($removable eq '1');
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}
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my $dev = '/dev/' . $block;
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push @{$json->{data}}, { "{#BLOCKDEVICE}" => $dev };
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}
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print to_json($json);
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exit(0);
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