description => "use sparse volumes",
type => 'boolean',
},
+ mountpoint => {
+ description => "mount point",
+ type => 'string', format => 'pve-storage-path',
+ },
};
}
disable => { optional => 1 },
content => { optional => 1 },
bwlimit => { optional => 1 },
+ mountpoint => { optional => 1 },
};
}
# virtual zfs methods (subclass can overwrite them)
+sub on_add_hook {
+ my ($class, $storeid, $scfg, %param) = @_;
+
+ my $cfg_mountpoint = $scfg->{mountpoint};
+
+ # ignore failure, pool might currently not be imported
+ my $mountpoint;
+ eval {
+ my $res = $class->zfs_get_properties($scfg, 'mountpoint', $scfg->{pool}, 1);
+ $mountpoint = PVE::Storage::Plugin::verify_path($res, 1) if defined($res);
+ };
+
+ if (defined($cfg_mountpoint)) {
+ if (defined($mountpoint) && !($cfg_mountpoint =~ m|^\Q$mountpoint\E/?$|)) {
+ warn "warning for $storeid - mountpoint: $cfg_mountpoint " .
+ "does not match current mount point: $mountpoint\n";
+ }
+ } else {
+ $scfg->{mountpoint} = $mountpoint;
+ }
+}
+
sub path {
my ($class, $scfg, $volname, $storeid, $snapname) = @_;
my ($vtype, $name, $vmid) = $class->parse_volname($volname);
my $path = '';
+ my $mountpoint = $scfg->{mountpoint} // "/$scfg->{pool}";
if ($vtype eq "images") {
if ($name =~ m/^subvol-/ || $name =~ m/^basevol-/) {
- # fixme: we currently assume standard mount point?!
- $path = "/$scfg->{pool}/$name";
+ $path = "$mountpoint/$name";
} else {
$path = "/dev/zvol/$scfg->{pool}/$name";
}
die "illegal name '$volname' - should be 'vm-$vmid-*'\n"
if $volname && $volname !~ m/^vm-$vmid-/;
- $volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt)
+ $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt)
if !$volname;
$class->zfs_create_zvol($scfg, $volname, $size);
die "illegal name '$volname' - should be 'subvol-$vmid-*'\n"
if $volname && $volname !~ m/^subvol-$vmid-/;
- $volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt)
+ $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt)
if !$volname;
die "illegal name '$volname' - should be 'subvol-$vmid-*'\n"
return $res;
}
+sub zfs_get_properties {
+ my ($class, $scfg, $properties, $dataset, $timeout) = @_;
+
+ my $result = $class->zfs_request($scfg, $timeout, 'get', '-o', 'value',
+ '-Hp', $properties, $dataset);
+ my @values = split /\n/, $result;
+ return wantarray ? @values : $values[0];
+}
+
sub zfs_get_pool_stats {
my ($class, $scfg) = @_;
my $available = 0;
my $used = 0;
- my $text = $class->zfs_request($scfg, undef, 'get', '-o', 'value', '-Hp',
- 'available,used', $scfg->{pool});
-
- my @lines = split /\n/, $text;
+ my @lines = $class->zfs_get_properties($scfg, 'available,used', $scfg->{pool});
if($lines[0] =~ /^(\d+)$/) {
$available = $1;
return $list;
}
-sub zfs_find_free_diskname {
- my ($class, $storeid, $scfg, $vmid, $format) = @_;
-
- my $volumes = $class->zfs_list_zvol($scfg);
- my $dat = $volumes->{$scfg->{pool}};
-
- my $disk_list = [ keys %$dat ];
- return PVE::Storage::Plugin::get_next_vm_diskname($disk_list, $storeid, $vmid, $format, $scfg);
-}
-
sub zfs_get_latest_snapshot {
my ($class, $scfg, $volname) = @_;
$class->parse_volname($volname);
my $attr = $format eq 'subvol' ? 'refquota' : 'volsize';
- my $text = $class->zfs_request($scfg, undef, 'get', '-Hp', $attr, "$scfg->{pool}/$vname");
- if ($text =~ /\s$attr\s(\d+)\s/) {
+ my $value = $class->zfs_get_properties($scfg, $attr, "$scfg->{pool}/$vname");
+ if ($value =~ /^(\d+)$/) {
return $1;
}
die "clone_image only works on base images\n" if !$isBase;
- my $name = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $format);
+ my $name = $class->find_free_diskname($storeid, $scfg, $vmid, $format);
if ($format eq 'subvol') {
my $size = $class->zfs_request($scfg, undef, 'list', '-H', '-o', 'refquota', "$scfg->{pool}/$basename");
my $attr = $format eq 'subvol' ? 'refquota' : 'volsize';
+ # align size to 1M so we always have a valid multiple of the volume block size
+ if ($format eq 'raw') {
+ my $padding = (1024 - $new_size % 1024) % 1024;
+ $new_size = $new_size + $padding;
+ }
+
$class->zfs_request($scfg, undef, 'set', "$attr=${new_size}k", "$scfg->{pool}/$vname");
return $new_size;
}
sub volume_import {
- my ($class, $scfg, $storeid, $fh, $volname, $format, $base_snapshot, $with_snapshots) = @_;
+ my ($class, $scfg, $storeid, $fh, $volname, $format, $base_snapshot, $with_snapshots, $allow_rename) = @_;
die "unsupported import stream format for $class: $format\n"
if $format ne 'zfs';
die "internal error: invalid file handle for volume_import\n"
if !defined($fd);
- my $dataset = ($class->parse_volname($volname))[1];
+ my (undef, $dataset, $vmid) = $class->parse_volname($volname);
my $zfspath = "$scfg->{pool}/$dataset";
my $suffix = defined($base_snapshot) ? "\@$base_snapshot" : '';
my $exists = 0 == run_command(['zfs', 'get', '-H', 'name', $zfspath.$suffix],
noerr => 1, errfunc => sub {});
if (defined($base_snapshot)) {
die "base snapshot '$zfspath\@$base_snapshot' doesn't exist\n" if !$exists;
- } else {
- die "volume '$zfspath' already exists\n" if $exists;
+ } elsif ($exists) {
+ die "volume '$zfspath' already exists\n" if !$allow_rename;
+ warn "volume '$zfspath' already exists - importing with a different name\n";
+ $dataset = $class->find_free_diskname($storeid, $scfg, $vmid, $format);
+ $zfspath = "$scfg->{pool}/$dataset";
}
eval { run_command(['zfs', 'recv', '-F', '--', $zfspath], input => "<&$fd") };
die $err;
}
- return;
+ return "$storeid:$dataset";
}
sub volume_import_formats {
projects / pve-storage.git / blobdiff