45 lines
955 B
Perl
45 lines
955 B
Perl
#!/usr/bin/perl -w
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use Linux::LVM;
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use JSON;
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my $what = $ARGV[0];
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open STDERR, '>/dev/null';
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my $json;
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if ($what eq "volumes"){
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foreach my $group (get_volume_group_list()){
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my %lvs = get_logical_volume_information($group);
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foreach my $lv (keys %lvs){
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push @{$json->{data}}, { "{#LVMVOL}" => "/dev/$group/$lv" };
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}
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}
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}
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elsif ($what eq "snapshots"){
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foreach my $group (get_volume_group_list()){
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my %lvs = get_logical_volume_information($group);
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foreach my $lv (keys %lvs){
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if (defined $lvs{$lv}->{allocated_to_snapshot}){
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push @{$json->{data}}, { "{#LVMSNAP}" => "/dev/$group/$lv" };
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}
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}
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}
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}
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elsif ($what eq "groups"){
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foreach my $group (get_volume_group_list()){
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push @{$json->{data}}, { "{#LVMGRP}" => $group };
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}
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}
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else{
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print <<"EOF";
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Usage: $0 [volumes|snapshots|groups]
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EOF
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}
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print to_json($json);
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exit(0);
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