use PVE::Tools qw(run_command);
use PVE::Storage::Plugin;
use PVE::RPCEnvironment;
+use Net::IP;
use base qw(PVE::Storage::Plugin);
nodes => { optional => 1 },
disable => { optional => 1 },
content => { optional => 1 },
+ bwlimit => { optional => 1 },
};
}
if ($fmt eq 'raw') {
- die "illegal name '$volname' - sould be 'vm-$vmid-*'\n"
+ die "illegal name '$volname' - should be 'vm-$vmid-*'\n"
if $volname && $volname !~ m/^vm-$vmid-/;
$volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt)
if !$volname;
$class->zfs_create_zvol($scfg, $volname, $size);
my $devname = "/dev/zvol/$scfg->{pool}/$volname";
- run_command("udevadm trigger --subsystem-match block");
- system('udevadm', 'settle', '--timeout', '10', "--exit-if-exists=${devname}");
+ my $timeout = PVE::RPCEnvironment->is_worker() ? 60*5 : 10;
+ for (my $i = 1; $i <= $timeout; $i++) {
+ last if -b $devname;
+ die "Timeout: no zvol after $timeout sec found.\n"
+ if $i == $timeout;
+ sleep(1);
+ }
} elsif ( $fmt eq 'subvol') {
- die "illegal name '$volname' - sould be 'subvol-$vmid-*'\n"
+ die "illegal name '$volname' - should be 'subvol-$vmid-*'\n"
if $volname && $volname !~ m/^subvol-$vmid-/;
$volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt)
if !$volname;
- die "illegal name '$volname' - sould be 'subvol-$vmid-*'\n"
+ die "illegal name '$volname' - should be 'subvol-$vmid-*'\n"
if $volname !~ m/^subvol-$vmid-/;
$class->zfs_create_subvol($scfg, $volname, $size);
$class->zfs_request($scfg, undef, 'snapshot', "$scfg->{pool}/$vname\@$snap");
}
-sub volume_send {
- my ($class, $scfg, $storeid, $volname, $ip, $snap,
- $incremental_snap, $verbose, $limit, $target_path) = @_;
-
- my ($vtype, $name, $vmid) = $class->parse_volname($volname);
-
- my $zpath = "$scfg->{pool}/$name";
-
- die "$vtype is not allowed in ZFSPool!" if ($vtype ne "images");
-
- my $cmdsend = [];
- my $cmdlimit = [];
-
- push @$cmdsend, 'zfs', 'send', '-R';
- push @$cmdsend, '-v' if defined($verbose);
-
- if( defined($incremental_snap)) {
- push @$cmdsend, '-I', "$zpath\@${incremental_snap}";
- }
-
- push @$cmdsend, '--', "$zpath\@${snap}";
-
- # limit in kByte/s
- if ($limit){
- my $bwl = $limit * 1024;
- push @$cmdlimit, 'cstream', '-t', $bwl;
- }
-
- my $cmdrecv = [];
-
- push @$cmdrecv, 'ssh', '-o', 'BatchMode=yes', "root\@${ip}", '--' if $ip;
- push @$cmdrecv, 'zfs', 'recv', '-F', '--';
-
- $zpath = $target_path if defined($target_path);
- push @$cmdrecv, $zpath;
-
-
- if ($limit) {
- eval { run_command([$cmdsend, $cmdlimit, $cmdrecv]) };
- } else {
- eval { run_command([$cmdsend, $cmdrecv]) };
- }
-
- if (my $err = $@) {
- die $err;
- }
-}
-
sub volume_snapshot_delete {
my ($class, $scfg, $storeid, $volname, $snap, $running) = @_;
return 1;
}
+sub volume_snapshot_list {
+ my ($class, $scfg, $storeid, $volname) = @_;
+
+ my ($vtype, $name, $vmid) = $class->parse_volname($volname);
+
+ my $zpath = "$scfg->{pool}/$name";
+
+ my $snaps = [];
+
+ my $cmd = ['zfs', 'list', '-r', '-H', '-S', 'name', '-t', 'snap', '-o',
+ 'name', $zpath];
+
+ my $outfunc = sub {
+ my $line = shift;
+
+ if ($line =~ m/^\Q$zpath\E@(.*)$/) {
+ push @$snaps, $1;
+ }
+ };
+
+ eval { run_command( [$cmd], outfunc => $outfunc , errfunc => sub{}); };
+
+ # return an empty array if dataset does not exist.
+ return $snaps;
+}
+
sub activate_storage {
my ($class, $storeid, $scfg, $cache) = @_;
return $new_size;
}
+sub storage_can_replicate {
+ my ($class, $scfg, $storeid, $format) = @_;
+
+ return 1 if $format eq 'raw' || $format eq 'subvol';
+
+ return 0;
+}
+
sub volume_has_feature {
my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
template => { current => 1},
copy => { base => 1, current => 1},
sparseinit => { base => 1, current => 1},
+ replicate => { base => 1, current => 1},
};
my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) =
return undef;
}
+sub volume_export {
+ my ($class, $scfg, $storeid, $fh, $volname, $format, $snapshot, $base_snapshot, $with_snapshots) = @_;
+
+ die "unsupported export stream format for $class: $format\n"
+ if $format ne 'zfs';
+
+ die "$class storage can only export snapshots\n"
+ if !defined($snapshot);
+
+ my $dataset = ($class->parse_volname($volname))[1];
+
+ my $fd = fileno($fh);
+ die "internal error: invalid file handle for volume_export\n"
+ if !defined($fd);
+ $fd = ">&$fd";
+
+ # For zfs we always create a replication stream (-R) which means the remote
+ # side will always delete non-existing source snapshots. This should work
+ # for all our use cases.
+ my $cmd = ['zfs', 'send', '-Rpv'];
+ if (defined($base_snapshot)) {
+ my $arg = $with_snapshots ? '-I' : '-i';
+ push @$cmd, $arg, $base_snapshot;
+ }
+ push @$cmd, '--', "$scfg->{pool}/$dataset\@$snapshot";
+
+ run_command($cmd, output => $fd);
+
+ return;
+}
+
+sub volume_export_formats {
+ my ($class, $scfg, $storeid, $volname, $snapshot, $base_snapshot, $with_snapshots) = @_;
+
+ my @formats = ('zfs');
+ # TODOs:
+ # push @formats, 'fies' if $volname !~ /^(?:basevol|subvol)-/;
+ # push @formats, 'raw' if !$base_snapshot && !$with_snapshots;
+ return @formats;
+}
+
+sub volume_import {
+ my ($class, $scfg, $storeid, $fh, $volname, $format, $base_snapshot, $with_snapshots) = @_;
+
+ die "unsupported import stream format for $class: $format\n"
+ if $format ne 'zfs';
+
+ my $fd = fileno($fh);
+ die "internal error: invalid file handle for volume_import\n"
+ if !defined($fd);
+
+ my $dataset = ($class->parse_volname($volname))[1];
+ 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;
+ }
+
+ eval { run_command(['zfs', 'recv', '-F', '--', $zfspath], input => "<&$fd") };
+ if (my $err = $@) {
+ if (defined($base_snapshot)) {
+ eval { run_command(['zfs', 'rollback', '-r', '--', "$zfspath\@$base_snapshot"]) };
+ } else {
+ eval { run_command(['zfs', 'destroy', '-r', '--', $zfspath]) };
+ }
+ die $err;
+ }
+
+ return;
+}
+
+sub volume_import_formats {
+ my ($class, $scfg, $storeid, $volname, $base_snapshot, $with_snapshots) = @_;
+
+ return $class->volume_export_formats($scfg, $storeid, $volname, undef, $base_snapshot, $with_snapshots);
+}
+
1;