use strict;
use warnings;
-use Data::Dumper;
+
use IO::File;
+
use PVE::Tools qw(run_command trim);
use PVE::Storage::Plugin;
use PVE::JSONSchema qw(get_standard_option);
}
sub lvm_vgs {
+ my ($includepvs) = @_;
my $cmd = ['/sbin/vgs', '--separator', ':', '--noheadings', '--units', 'b',
- '--unbuffered', '--nosuffix', '--options',
- 'vg_name,vg_size,vg_free'];
+ '--unbuffered', '--nosuffix', '--options'];
+
+ my $cols = [qw(vg_name vg_size vg_free lv_count)];
+
+ if ($includepvs) {
+ push @$cols, qw(pv_name pv_size pv_free);
+ }
+
+ push @$cmd, join(',', @$cols);
my $vgs = {};
eval {
$line = trim($line);
- my ($name, $size, $free) = split (':', $line);
+ my ($name, $size, $free, $lvcount, $pvname, $pvsize, $pvfree) = split (':', $line);
+
+ $vgs->{$name} = { size => int ($size), free => int ($free), lvcount => int($lvcount) }
+ if !$vgs->{$name};
- $vgs->{$name} = { size => int ($size), free => int ($free) };
+ if (defined($pvname) && defined($pvsize) && defined($pvfree)) {
+ push @{$vgs->{$name}->{pvs}}, {
+ name => $pvname,
+ size => int($pvsize),
+ free => int($pvfree),
+ };
+ }
});
};
my $err = $@;
my $cmd = ['/sbin/lvs', '--separator', ':', '--noheadings', '--units', 'b',
'--unbuffered', '--nosuffix', '--options',
- 'vg_name,lv_name,lv_size,lv_attr,pool_lv,data_percent,metadata_percent,snap_percent,uuid,tags'];
+ 'vg_name,lv_name,lv_size,lv_attr,pool_lv,data_percent,metadata_percent,snap_percent,uuid,tags,metadata_size'];
push @$cmd, $vgname if $vgname;
$line = trim($line);
- my ($vg_name, $lv_name, $lv_size, $lv_attr, $pool_lv, $data_percent, $meta_percent, $snap_percent, $uuid, $tags) = split(':', $line);
+ my ($vg_name, $lv_name, $lv_size, $lv_attr, $pool_lv, $data_percent, $meta_percent, $snap_percent, $uuid, $tags, $meta_size) = split(':', $line);
return if !$vg_name;
return if !$lv_name;
$data_percent ||= 0;
$meta_percent ||= 0;
$snap_percent ||= 0;
+ $d->{metadata_size} = int($meta_size);
+ $d->{metadata_used} = int(($meta_percent * $meta_size)/100);
$d->{used} = int(($data_percent * $lv_size)/100);
}
$lvs->{$vg_name}->{$lv_name} = $d;
content => { optional => 1 },
base => { fixed => 1, optional => 1 },
tagged_only => { optional => 1 },
+ bwlimit => { optional => 1 },
};
}
# Storage implementation
+sub on_add_hook {
+ my ($class, $storeid, $scfg, %param) = @_;
+
+ if (my $base = $scfg->{base}) {
+ my ($baseid, $volname) = PVE::Storage::parse_volume_id($base);
+
+ my $cfg = PVE::Storage::config();
+ my $basecfg = PVE::Storage::storage_config ($cfg, $baseid, 1);
+ die "base storage ID '$baseid' does not exist\n" if !$basecfg;
+
+ # we only support iscsi for now
+ die "unsupported base type '$basecfg->{type}'"
+ if $basecfg->{type} ne 'iscsi';
+
+ my $path = PVE::Storage::path($cfg, $base);
+
+ PVE::Storage::activate_storage($cfg, $baseid);
+
+ lvm_create_volume_group($path, $scfg->{vgname}, $scfg->{shared});
+ }
+}
+
sub parse_volname {
my ($class, $volname) = @_;
return undef;
}
+sub volume_export_formats {
+ my ($class, $scfg, $storeid, $volname, $snapshot, $base_snapshot, $with_snapshots) = @_;
+ return () if defined($snapshot); # lvm-thin only
+ return volume_import_formats($class, $scfg, $storeid, $volname, $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, $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, $base_snapshot, $with_snapshots) = @_;
+ 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);
+ die "volume $vg/$volname already exists\n"
+ if $lvs->{$vg}->{$volname};
+
+ my ($size) = PVE::Storage::Plugin::read_common_header($fh);
+ $size = int($size/1024);
+
+ eval {
+ my $allocname = $class->alloc_image($storeid, $scfg, $vmid, 'raw', $name, $size);
+ if ($allocname ne $volname) {
+ my $oldname = $volname;
+ $volname = $allocname; # Let the cleanup code know what to free
+ die "internal error: unexpected allocated name: '$allocname' != '$oldname'\n";
+ }
+ my $file = $class->path($scfg, $volname, $storeid)
+ or die "internal error: failed to get path to newly allocated volume $volname\n";
+ run_command(['dd', "of=$file", 'conv=sparse', 'bs=64k'],
+ input => '<&'.fileno($fh));
+ };
+ if (my $err = $@) {
+ eval { $class->free_image($storeid, $scfg, $volname, 0) };
+ warn $@ if $@;
+ die $err;
+ }
+}
+
1;