separate packaging and source build system
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht
741
src/PVE/Storage/LVMPlugin.pm
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741
src/PVE/Storage/LVMPlugin.pm
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@ -0,0 +1,741 @@
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package PVE::Storage::LVMPlugin;
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use strict;
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use warnings;
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use IO::File;
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use PVE::Tools qw(run_command trim);
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use PVE::Storage::Plugin;
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use PVE::JSONSchema qw(get_standard_option);
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use base qw(PVE::Storage::Plugin);
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# lvm helper functions
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my $ignore_no_medium_warnings = sub {
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my $line = shift;
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# ignore those, most of the time they're from (virtual) IPMI/iKVM devices
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# and just spam the log..
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if ($line !~ /open failed: No medium found/) {
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print STDERR "$line\n";
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}
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};
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sub lvm_pv_info {
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my ($device) = @_;
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die "no device specified" if !$device;
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my $has_label = 0;
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my $cmd = ['/usr/bin/file', '-L', '-s', $device];
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run_command($cmd, outfunc => sub {
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my $line = shift;
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$has_label = 1 if $line =~ m/LVM2/;
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});
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return undef if !$has_label;
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$cmd = ['/sbin/pvs', '--separator', ':', '--noheadings', '--units', 'k',
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'--unbuffered', '--nosuffix', '--options',
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'pv_name,pv_size,vg_name,pv_uuid', $device];
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my $pvinfo;
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run_command($cmd, outfunc => sub {
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my $line = shift;
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$line = trim($line);
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my ($pvname, $size, $vgname, $uuid) = split(':', $line);
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die "found multiple pvs entries for device '$device'\n"
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if $pvinfo;
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$pvinfo = {
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pvname => $pvname,
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size => int($size),
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vgname => $vgname,
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uuid => $uuid,
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};
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});
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return $pvinfo;
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}
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sub clear_first_sector {
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my ($dev) = shift;
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if (my $fh = IO::File->new($dev, "w")) {
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my $buf = 0 x 512;
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syswrite $fh, $buf;
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$fh->close();
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}
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}
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sub lvm_create_volume_group {
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my ($device, $vgname, $shared) = @_;
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my $res = lvm_pv_info($device);
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if ($res->{vgname}) {
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return if $res->{vgname} eq $vgname; # already created
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die "device '$device' is already used by volume group '$res->{vgname}'\n";
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}
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clear_first_sector($device); # else pvcreate fails
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# we use --metadatasize 250k, which reseults in "pe_start = 512"
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# so pe_start is aligned on a 128k boundary (advantage for SSDs)
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my $cmd = ['/sbin/pvcreate', '--metadatasize', '250k', $device];
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run_command($cmd, errmsg => "pvcreate '$device' error");
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$cmd = ['/sbin/vgcreate', $vgname, $device];
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# push @$cmd, '-c', 'y' if $shared; # we do not use this yet
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run_command($cmd, errmsg => "vgcreate $vgname $device error", errfunc => $ignore_no_medium_warnings, outfunc => $ignore_no_medium_warnings);
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}
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sub lvm_destroy_volume_group {
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my ($vgname) = @_;
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run_command(
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['vgremove', '-y', $vgname],
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errmsg => "unable to remove volume group $vgname",
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errfunc => $ignore_no_medium_warnings,
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outfunc => $ignore_no_medium_warnings,
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);
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}
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sub lvm_vgs {
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my ($includepvs) = @_;
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my $cmd = ['/sbin/vgs', '--separator', ':', '--noheadings', '--units', 'b',
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'--unbuffered', '--nosuffix', '--options'];
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my $cols = [qw(vg_name vg_size vg_free lv_count)];
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if ($includepvs) {
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push @$cols, qw(pv_name pv_size pv_free);
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}
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push @$cmd, join(',', @$cols);
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my $vgs = {};
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eval {
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run_command($cmd, outfunc => sub {
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my $line = shift;
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$line = trim($line);
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my ($name, $size, $free, $lvcount, $pvname, $pvsize, $pvfree) = split (':', $line);
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$vgs->{$name} //= {
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size => int ($size),
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free => int ($free),
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lvcount => int($lvcount)
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};
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if (defined($pvname) && defined($pvsize) && defined($pvfree)) {
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push @{$vgs->{$name}->{pvs}}, {
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name => $pvname,
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size => int($pvsize),
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free => int($pvfree),
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};
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}
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},
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errfunc => $ignore_no_medium_warnings,
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);
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};
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my $err = $@;
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# just warn (vgs return error code 5 if clvmd does not run)
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# but output is still OK (list without clustered VGs)
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warn $err if $err;
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return $vgs;
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}
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sub lvm_list_volumes {
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my ($vgname) = @_;
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my $option_list = 'vg_name,lv_name,lv_size,lv_attr,pool_lv,data_percent,metadata_percent,snap_percent,uuid,tags,metadata_size,time';
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my $cmd = [
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'/sbin/lvs', '--separator', ':', '--noheadings', '--units', 'b',
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'--unbuffered', '--nosuffix',
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'--config', 'report/time_format="%s"',
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'--options', $option_list,
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];
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push @$cmd, $vgname if $vgname;
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my $lvs = {};
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run_command($cmd, outfunc => sub {
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my $line = shift;
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$line = trim($line);
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my ($vg_name, $lv_name, $lv_size, $lv_attr, $pool_lv, $data_percent, $meta_percent, $snap_percent, $uuid, $tags, $meta_size, $ctime) = split(':', $line);
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return if !$vg_name;
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return if !$lv_name;
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my $lv_type = substr($lv_attr, 0, 1);
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my $d = {
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lv_size => int($lv_size),
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lv_state => substr($lv_attr, 4, 1),
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lv_type => $lv_type,
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};
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$d->{pool_lv} = $pool_lv if $pool_lv;
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$d->{tags} = $tags if $tags;
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$d->{ctime} = $ctime;
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if ($lv_type eq 't') {
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$data_percent ||= 0;
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$meta_percent ||= 0;
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$snap_percent ||= 0;
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$d->{metadata_size} = int($meta_size);
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$d->{metadata_used} = int(($meta_percent * $meta_size)/100);
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$d->{used} = int(($data_percent * $lv_size)/100);
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}
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$lvs->{$vg_name}->{$lv_name} = $d;
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},
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errfunc => $ignore_no_medium_warnings,
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);
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return $lvs;
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}
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# Configuration
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sub type {
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return 'lvm';
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}
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sub plugindata {
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return {
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content => [ {images => 1, rootdir => 1}, { images => 1 }],
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};
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}
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sub properties {
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return {
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vgname => {
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description => "Volume group name.",
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type => 'string', format => 'pve-storage-vgname',
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},
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base => {
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description => "Base volume. This volume is automatically activated.",
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type => 'string', format => 'pve-volume-id',
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},
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saferemove => {
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description => "Zero-out data when removing LVs.",
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type => 'boolean',
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},
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saferemove_throughput => {
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description => "Wipe throughput (cstream -t parameter value).",
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type => 'string',
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},
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tagged_only => {
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description => "Only use logical volumes tagged with 'pve-vm-ID'.",
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type => 'boolean',
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}
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};
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}
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sub options {
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return {
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vgname => { fixed => 1 },
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nodes => { optional => 1 },
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shared => { optional => 1 },
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disable => { optional => 1 },
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saferemove => { optional => 1 },
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saferemove_throughput => { optional => 1 },
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content => { optional => 1 },
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base => { fixed => 1, optional => 1 },
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tagged_only => { optional => 1 },
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bwlimit => { optional => 1 },
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};
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}
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# Storage implementation
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sub on_add_hook {
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my ($class, $storeid, $scfg, %param) = @_;
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if (my $base = $scfg->{base}) {
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my ($baseid, $volname) = PVE::Storage::parse_volume_id($base);
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my $cfg = PVE::Storage::config();
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my $basecfg = PVE::Storage::storage_config ($cfg, $baseid, 1);
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die "base storage ID '$baseid' does not exist\n" if !$basecfg;
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# we only support iscsi for now
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die "unsupported base type '$basecfg->{type}'"
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if $basecfg->{type} ne 'iscsi';
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my $path = PVE::Storage::path($cfg, $base);
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PVE::Storage::activate_storage($cfg, $baseid);
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lvm_create_volume_group($path, $scfg->{vgname}, $scfg->{shared});
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}
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return;
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}
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sub parse_volname {
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my ($class, $volname) = @_;
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PVE::Storage::Plugin::parse_lvm_name($volname);
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if ($volname =~ m/^(vm-(\d+)-\S+)$/) {
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return ('images', $1, $2, undef, undef, undef, 'raw');
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}
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die "unable to parse lvm volume name '$volname'\n";
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}
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sub filesystem_path {
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my ($class, $scfg, $volname, $snapname) = @_;
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die "lvm snapshot is not implemented"if defined($snapname);
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my ($vtype, $name, $vmid) = $class->parse_volname($volname);
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my $vg = $scfg->{vgname};
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my $path = "/dev/$vg/$name";
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return wantarray ? ($path, $vmid, $vtype) : $path;
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}
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sub create_base {
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my ($class, $storeid, $scfg, $volname) = @_;
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die "can't create base images in lvm storage\n";
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}
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sub clone_image {
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my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_;
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die "can't clone images in lvm storage\n";
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}
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sub find_free_diskname {
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my ($class, $storeid, $scfg, $vmid, $fmt, $add_fmt_suffix) = @_;
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my $vg = $scfg->{vgname};
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my $lvs = lvm_list_volumes($vg);
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my $disk_list = [ keys %{$lvs->{$vg}} ];
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return PVE::Storage::Plugin::get_next_vm_diskname($disk_list, $storeid, $vmid, undef, $scfg);
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}
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sub lvcreate {
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my ($vg, $name, $size, $tags) = @_;
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if ($size =~ m/\d$/) { # no unit is given
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$size .= "k"; # default to kilobytes
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}
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my $cmd = ['/sbin/lvcreate', '-aly', '-Wy', '--yes', '--size', $size, '--name', $name];
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for my $tag (@$tags) {
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push @$cmd, '--addtag', $tag;
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}
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push @$cmd, $vg;
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run_command($cmd, errmsg => "lvcreate '$vg/$name' error");
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}
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sub lvrename {
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my ($vg, $oldname, $newname) = @_;
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run_command(
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['/sbin/lvrename', $vg, $oldname, $newname],
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errmsg => "lvrename '${vg}/${oldname}' to '${newname}' error",
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);
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}
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sub alloc_image {
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my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
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die "unsupported format '$fmt'" if $fmt ne 'raw';
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die "illegal name '$name' - should be 'vm-$vmid-*'\n"
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if $name && $name !~ m/^vm-$vmid-/;
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my $vgs = lvm_vgs();
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my $vg = $scfg->{vgname};
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die "no such volume group '$vg'\n" if !defined ($vgs->{$vg});
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my $free = int($vgs->{$vg}->{free});
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die "not enough free space ($free < $size)\n" if $free < $size;
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$name = $class->find_free_diskname($storeid, $scfg, $vmid)
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if !$name;
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lvcreate($vg, $name, $size, ["pve-vm-$vmid"]);
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return $name;
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}
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sub free_image {
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my ($class, $storeid, $scfg, $volname, $isBase) = @_;
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my $vg = $scfg->{vgname};
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# we need to zero out LVM data for security reasons
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# and to allow thin provisioning
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my $zero_out_worker = sub {
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print "zero-out data on image $volname (/dev/$vg/del-$volname)\n";
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# wipe throughput up to 10MB/s by default; may be overwritten with saferemove_throughput
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my $throughput = '-10485760';
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if ($scfg->{saferemove_throughput}) {
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$throughput = $scfg->{saferemove_throughput};
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}
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my $cmd = [
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'/usr/bin/cstream',
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'-i', '/dev/zero',
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'-o', "/dev/$vg/del-$volname",
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'-T', '10',
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'-v', '1',
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'-b', '1048576',
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'-t', "$throughput"
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];
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eval { run_command($cmd, errmsg => "zero out finished (note: 'No space left on device' is ok here)"); };
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warn $@ if $@;
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$class->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub {
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my $cmd = ['/sbin/lvremove', '-f', "$vg/del-$volname"];
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run_command($cmd, errmsg => "lvremove '$vg/del-$volname' error");
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});
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print "successfully removed volume $volname ($vg/del-$volname)\n";
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};
|
||||
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my $cmd = ['/sbin/lvchange', '-aly', "$vg/$volname"];
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run_command($cmd, errmsg => "can't activate LV '$vg/$volname' to zero-out its data");
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$cmd = ['/sbin/lvchange', '--refresh', "$vg/$volname"];
|
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run_command($cmd, errmsg => "can't refresh LV '$vg/$volname' to zero-out its data");
|
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|
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if ($scfg->{saferemove}) {
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# avoid long running task, so we only rename here
|
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$cmd = ['/sbin/lvrename', $vg, $volname, "del-$volname"];
|
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run_command($cmd, errmsg => "lvrename '$vg/$volname' error");
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return $zero_out_worker;
|
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} else {
|
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my $tmpvg = $scfg->{vgname};
|
||||
$cmd = ['/sbin/lvremove', '-f', "$tmpvg/$volname"];
|
||||
run_command($cmd, errmsg => "lvremove '$tmpvg/$volname' error");
|
||||
}
|
||||
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return undef;
|
||||
}
|
||||
|
||||
my $check_tags = sub {
|
||||
my ($tags) = @_;
|
||||
|
||||
return defined($tags) && $tags =~ /(^|,)pve-vm-\d+(,|$)/;
|
||||
};
|
||||
|
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sub list_images {
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my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_;
|
||||
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||||
my $vgname = $scfg->{vgname};
|
||||
|
||||
$cache->{lvs} = lvm_list_volumes() if !$cache->{lvs};
|
||||
|
||||
my $res = [];
|
||||
|
||||
if (my $dat = $cache->{lvs}->{$vgname}) {
|
||||
|
||||
foreach my $volname (keys %$dat) {
|
||||
|
||||
next if $volname !~ m/^vm-(\d+)-/;
|
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my $owner = $1;
|
||||
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my $info = $dat->{$volname};
|
||||
|
||||
next if $scfg->{tagged_only} && !&$check_tags($info->{tags});
|
||||
|
||||
# Allow mirrored and RAID LVs
|
||||
next if $info->{lv_type} !~ m/^[-mMrR]$/;
|
||||
|
||||
my $volid = "$storeid:$volname";
|
||||
|
||||
if ($vollist) {
|
||||
my $found = grep { $_ eq $volid } @$vollist;
|
||||
next if !$found;
|
||||
} else {
|
||||
next if defined($vmid) && ($owner ne $vmid);
|
||||
}
|
||||
|
||||
push @$res, {
|
||||
volid => $volid, format => 'raw', size => $info->{lv_size}, vmid => $owner,
|
||||
ctime => $info->{ctime},
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
return $res;
|
||||
}
|
||||
|
||||
sub status {
|
||||
my ($class, $storeid, $scfg, $cache) = @_;
|
||||
|
||||
$cache->{vgs} = lvm_vgs() if !$cache->{vgs};
|
||||
|
||||
my $vgname = $scfg->{vgname};
|
||||
|
||||
if (my $info = $cache->{vgs}->{$vgname}) {
|
||||
return ($info->{size}, $info->{free}, $info->{size} - $info->{free}, 1);
|
||||
}
|
||||
|
||||
return undef;
|
||||
}
|
||||
|
||||
sub activate_storage {
|
||||
my ($class, $storeid, $scfg, $cache) = @_;
|
||||
|
||||
$cache->{vgs} = lvm_vgs() if !$cache->{vgs};
|
||||
|
||||
# In LVM2, vgscans take place automatically;
|
||||
# this is just to be sure
|
||||
if ($cache->{vgs} && !$cache->{vgscaned} &&
|
||||
!$cache->{vgs}->{$scfg->{vgname}}) {
|
||||
$cache->{vgscaned} = 1;
|
||||
my $cmd = ['/sbin/vgscan', '--ignorelockingfailure', '--mknodes'];
|
||||
eval { run_command($cmd, outfunc => sub {}); };
|
||||
warn $@ if $@;
|
||||
}
|
||||
|
||||
# we do not acticate any volumes here ('vgchange -aly')
|
||||
# instead, volumes are activate individually later
|
||||
}
|
||||
|
||||
sub deactivate_storage {
|
||||
my ($class, $storeid, $scfg, $cache) = @_;
|
||||
|
||||
my $cmd = ['/sbin/vgchange', '-aln', $scfg->{vgname}];
|
||||
run_command($cmd, errmsg => "can't deactivate VG '$scfg->{vgname}'");
|
||||
}
|
||||
|
||||
sub activate_volume {
|
||||
my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_;
|
||||
#fix me lvmchange is not provided on
|
||||
my $path = $class->path($scfg, $volname, $snapname);
|
||||
|
||||
my $lvm_activate_mode = 'ey';
|
||||
|
||||
my $cmd = ['/sbin/lvchange', "-a$lvm_activate_mode", $path];
|
||||
run_command($cmd, errmsg => "can't activate LV '$path'");
|
||||
$cmd = ['/sbin/lvchange', '--refresh', $path];
|
||||
run_command($cmd, errmsg => "can't refresh LV '$path' for activation");
|
||||
}
|
||||
|
||||
sub deactivate_volume {
|
||||
my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_;
|
||||
|
||||
my $path = $class->path($scfg, $volname, $snapname);
|
||||
return if ! -b $path;
|
||||
|
||||
my $cmd = ['/sbin/lvchange', '-aln', $path];
|
||||
run_command($cmd, errmsg => "can't deactivate LV '$path'");
|
||||
}
|
||||
|
||||
sub volume_resize {
|
||||
my ($class, $scfg, $storeid, $volname, $size, $running) = @_;
|
||||
|
||||
$size = ($size/1024/1024) . "M";
|
||||
|
||||
my $path = $class->path($scfg, $volname);
|
||||
my $cmd = ['/sbin/lvextend', '-L', $size, $path];
|
||||
|
||||
$class->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub {
|
||||
run_command($cmd, errmsg => "error resizing volume '$path'");
|
||||
});
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
sub volume_size_info {
|
||||
my ($class, $scfg, $storeid, $volname, $timeout) = @_;
|
||||
my $path = $class->filesystem_path($scfg, $volname);
|
||||
|
||||
my $cmd = ['/sbin/lvs', '--separator', ':', '--noheadings', '--units', 'b',
|
||||
'--unbuffered', '--nosuffix', '--options', 'lv_size', $path];
|
||||
|
||||
my $size;
|
||||
run_command($cmd, timeout => $timeout, errmsg => "can't get size of '$path'",
|
||||
outfunc => sub {
|
||||
$size = int(shift);
|
||||
});
|
||||
return wantarray ? ($size, 'raw', 0, undef) : $size;
|
||||
}
|
||||
|
||||
sub volume_snapshot {
|
||||
my ($class, $scfg, $storeid, $volname, $snap) = @_;
|
||||
|
||||
die "lvm snapshot is not implemented";
|
||||
}
|
||||
|
||||
sub volume_snapshot_rollback {
|
||||
my ($class, $scfg, $storeid, $volname, $snap) = @_;
|
||||
|
||||
die "lvm snapshot rollback is not implemented";
|
||||
}
|
||||
|
||||
sub volume_snapshot_delete {
|
||||
my ($class, $scfg, $storeid, $volname, $snap) = @_;
|
||||
|
||||
die "lvm snapshot delete is not implemented";
|
||||
}
|
||||
|
||||
sub volume_has_feature {
|
||||
my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
|
||||
|
||||
my $features = {
|
||||
copy => { base => 1, current => 1},
|
||||
rename => {current => 1},
|
||||
};
|
||||
|
||||
my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) =
|
||||
$class->parse_volname($volname);
|
||||
|
||||
my $key = undef;
|
||||
if($snapname){
|
||||
$key = 'snap';
|
||||
}else{
|
||||
$key = $isBase ? 'base' : 'current';
|
||||
}
|
||||
return 1 if $features->{$feature}->{$key};
|
||||
|
||||
return undef;
|
||||
}
|
||||
|
||||
sub volume_export_formats {
|
||||
my ($class, $scfg, $storeid, $volname, $snapshot, $base_snapshot, $with_snapshots) = @_;
|
||||
return () if defined($snapshot); # lvm-thin only
|
||||
return volume_import_formats($class, $scfg, $storeid, $volname, $snapshot, $base_snapshot, $with_snapshots);
|
||||
}
|
||||
|
||||
sub volume_export {
|
||||
my ($class, $scfg, $storeid, $fh, $volname, $format, $snapshot, $base_snapshot, $with_snapshots) = @_;
|
||||
die "volume export format $format not available for $class\n"
|
||||
if $format ne 'raw+size';
|
||||
die "cannot export volumes together with their snapshots in $class\n"
|
||||
if $with_snapshots;
|
||||
die "cannot export a snapshot in $class\n" if defined($snapshot);
|
||||
die "cannot export an incremental stream in $class\n" if defined($base_snapshot);
|
||||
my $file = $class->path($scfg, $volname, $storeid);
|
||||
my $size;
|
||||
# should be faster than querying LVM, also checks for the device file's availability
|
||||
run_command(['/sbin/blockdev', '--getsize64', $file], outfunc => sub {
|
||||
my ($line) = @_;
|
||||
die "unexpected output from /sbin/blockdev: $line\n" if $line !~ /^(\d+)$/;
|
||||
$size = int($1);
|
||||
});
|
||||
PVE::Storage::Plugin::write_common_header($fh, $size);
|
||||
run_command(['dd', "if=$file", "bs=64k"], output => '>&'.fileno($fh));
|
||||
}
|
||||
|
||||
sub volume_import_formats {
|
||||
my ($class, $scfg, $storeid, $volname, $snapshot, $base_snapshot, $with_snapshots) = @_;
|
||||
return () if $with_snapshots; # not supported
|
||||
return () if defined($base_snapshot); # not supported
|
||||
return ('raw+size');
|
||||
}
|
||||
|
||||
sub volume_import {
|
||||
my ($class, $scfg, $storeid, $fh, $volname, $format, $snapshot, $base_snapshot, $with_snapshots, $allow_rename) = @_;
|
||||
die "volume import format $format not available for $class\n"
|
||||
if $format ne 'raw+size';
|
||||
die "cannot import volumes together with their snapshots in $class\n"
|
||||
if $with_snapshots;
|
||||
die "cannot import an incremental stream in $class\n" if defined($base_snapshot);
|
||||
|
||||
my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $file_format) =
|
||||
$class->parse_volname($volname);
|
||||
die "cannot import format $format into a file of format $file_format\n"
|
||||
if $file_format ne 'raw';
|
||||
|
||||
my $vg = $scfg->{vgname};
|
||||
my $lvs = lvm_list_volumes($vg);
|
||||
if ($lvs->{$vg}->{$volname}) {
|
||||
die "volume $vg/$volname already exists\n" if !$allow_rename;
|
||||
warn "volume $vg/$volname already exists - importing with a different name\n";
|
||||
$name = undef;
|
||||
}
|
||||
|
||||
my ($size) = PVE::Storage::Plugin::read_common_header($fh);
|
||||
$size = int($size/1024);
|
||||
|
||||
eval {
|
||||
my $allocname = $class->alloc_image($storeid, $scfg, $vmid, 'raw', $name, $size);
|
||||
my $oldname = $volname;
|
||||
$volname = $allocname;
|
||||
if (defined($name) && $allocname ne $oldname) {
|
||||
die "internal error: unexpected allocated name: '$allocname' != '$oldname'\n";
|
||||
}
|
||||
my $file = $class->path($scfg, $volname, $storeid)
|
||||
or die "internal error: failed to get path to newly allocated volume $volname\n";
|
||||
|
||||
$class->volume_import_write($fh, $file);
|
||||
};
|
||||
if (my $err = $@) {
|
||||
my $cleanup_worker = eval { $class->free_image($storeid, $scfg, $volname, 0) };
|
||||
warn $@ if $@;
|
||||
|
||||
if ($cleanup_worker) {
|
||||
my $rpcenv = PVE::RPCEnvironment::get();
|
||||
my $authuser = $rpcenv->get_user();
|
||||
|
||||
$rpcenv->fork_worker('imgdel', undef, $authuser, $cleanup_worker);
|
||||
}
|
||||
|
||||
die $err;
|
||||
}
|
||||
|
||||
return "$storeid:$volname";
|
||||
}
|
||||
|
||||
sub volume_import_write {
|
||||
my ($class, $input_fh, $output_file) = @_;
|
||||
run_command(['dd', "of=$output_file", 'bs=64k'],
|
||||
input => '<&'.fileno($input_fh));
|
||||
}
|
||||
|
||||
sub rename_volume {
|
||||
my ($class, $scfg, $storeid, $source_volname, $target_vmid, $target_volname) = @_;
|
||||
|
||||
my (
|
||||
undef,
|
||||
$source_image,
|
||||
$source_vmid,
|
||||
$base_name,
|
||||
$base_vmid,
|
||||
undef,
|
||||
$format
|
||||
) = $class->parse_volname($source_volname);
|
||||
$target_volname = $class->find_free_diskname($storeid, $scfg, $target_vmid, $format)
|
||||
if !$target_volname;
|
||||
|
||||
my $vg = $scfg->{vgname};
|
||||
my $lvs = lvm_list_volumes($vg);
|
||||
die "target volume '${target_volname}' already exists\n"
|
||||
if ($lvs->{$vg}->{$target_volname});
|
||||
|
||||
lvrename($vg, $source_volname, $target_volname);
|
||||
return "${storeid}:${target_volname}";
|
||||
}
|
||||
|
||||
1;
|
||||
Reference in New Issue
Block a user