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59 lines
1.6 KiB
59 lines
1.6 KiB
package Zabbix::Agent::Addons::Disks;
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use strict;
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use warnings;
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# Return an array of block devices, skip if size == 0
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sub list_block_dev {
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my @bd = ();
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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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foreach my $block (@blocks){
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my $size = 1;
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if ( -e "/sys/block/$block/size"){
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open SIZE, "/sys/block/$block/size";
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$size = join "", <SIZE>;
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close SIZE;
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chomp($size);
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next if ($size eq '0');
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}
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push @bd, $block;
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}
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return @bd;
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}
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sub list_smart_hdd{
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my ($param) = shift || {};
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my @shd = ();
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if (-x "/usr/sbin/smartctl"){
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BLOCK: foreach my $block (list_block_dev()){
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# Skip block we already know won't support SMART
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next if ($block =~ m/^(ram|loop|md|dm\-)\d+/);
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my $smart_enabled = 0;
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my @smart_info = qx(/usr/sbin/smartctl -i /dev/$block);
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next unless ($? == 0);
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foreach my $line (@smart_info){
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if ($line =~ m/^SMART support is:\s+Enabled/i){
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$smart_enabled = 1;
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} elsif ($line =~ m/^Transport protocol:\s+iSCSI/i){
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# Skip iSCSI block
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next BLOCK;
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}
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}
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# Skip block unless S.M.A.R.T is advertized as enabled
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next unless ($smart_enabled);
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if ($param->{skip_remouvable} && -e "/sys/block/$block/removable"){
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open REMOVABLE, "/sys/block/$block/removable";
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my $removable = join "", <REMOVABLE>;
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close REMOVABLE;
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chomp($removable);
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next if ($removable eq '1');
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}
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push @shd, $block;
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}
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}
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return @shd;
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}
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1;
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