use IO::File;
use POSIX;
use PVE::Tools qw(run_command);
-use PVE::Storage::ZFSDirPlugin;
+use PVE::Storage::ZFSPoolPlugin;
+use PVE::RPCEnvironment;
-use base qw(PVE::Storage::ZFSDirPlugin);
+use base qw(PVE::Storage::ZFSPoolPlugin);
use PVE::Storage::LunCmd::Comstar;
use PVE::Storage::LunCmd::Istgt;
use PVE::Storage::LunCmd::Iet;
+
my @ssh_opts = ('-o', 'BatchMode=yes');
my @ssh_cmd = ('/usr/bin/ssh', @ssh_opts);
my $id_rsa_path = '/etc/pve/priv/zfs';
sub zfs_request {
my ($class, $scfg, $timeout, $method, @params) = @_;
- $timeout = 5 if !$timeout;
+ $timeout = PVE::RPCEnvironment->is_worker() ? 60*60 : 10
+ if !$timeout;
my $msg = '';
# Storage implementation
-sub parse_volname {
- my ($class, $volname) = @_;
-
- if ($volname =~ m/^(((base|vm)-(\d+)-\S+)\/)?((base)?(vm)?-(\d+)-\S+)$/) {
- return ('images', $5, $8, $2, $4, $6);
- }
-
- die "unable to parse zfs volume name '$volname'\n";
-}
-
sub path {
- my ($class, $scfg, $volname) = @_;
+ my ($class, $scfg, $volname, $storeid, $snapname) = @_;
+
+ die "direct access to snapshots not implemented"
+ if defined($snapname);
my ($vtype, $name, $vmid) = $class->parse_volname($volname);
sub clone_image {
my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_;
- $snap ||= '__base__';
-
- my ($vtype, $basename, $basevmid, undef, undef, $isBase) =
- $class->parse_volname($volname);
-
- die "clone_image only works on base images\n" if !$isBase;
+ my $name = $class->SUPER::clone_image($scfg, $storeid, $volname, $vmid, $snap);
- my $name = $class->zfs_find_free_diskname($storeid, $scfg, $vmid);
+ # get ZFS dataset name from PVE volname
+ my (undef, $clonedname) = $class->parse_volname($name);
- warn "clone $volname: $basename to $name\n";
-
- $class->zfs_request($scfg, undef, 'clone', "$scfg->{pool}/$basename\@$snap", "$scfg->{pool}/$name");
-
- my $guid = $class->zfs_create_lu($scfg, $name);
- $class->zfs_add_lun_mapping_entry($scfg, $name, $guid);
+ my $guid = $class->zfs_create_lu($scfg, $clonedname);
+ $class->zfs_add_lun_mapping_entry($scfg, $clonedname, $guid);
return $name;
}
sub alloc_image {
my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_;
-
+
die "unsupported format '$fmt'" if $fmt ne 'raw';
die "illegal name '$name' - sould be 'vm-$vmid-*'\n"
if $name && $name !~ m/^vm-$vmid-/;
- $name = $class->zfs_find_free_diskname($storeid, $scfg, $vmid) if !$name;
+ my $volname = $name;
- $class->zfs_create_zvol($scfg, $name, $size);
- my $guid = $class->zfs_create_lu($scfg, $name);
- $class->zfs_add_lun_mapping_entry($scfg, $name, $guid);
+ $volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt) if !$volname;
+
+ $class->zfs_create_zvol($scfg, $volname, $size);
+
+ my $guid = $class->zfs_create_lu($scfg, $volname);
+ $class->zfs_add_lun_mapping_entry($scfg, $volname, $guid);
- return $name;
+ return $volname;
}
sub free_image {
return undef;
}
-sub list_images {
- my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_;
-
- $cache->{zfs} = $class->zfs_list_zvol($scfg) if !$cache->{zfs};
- my $zfspool = $scfg->{pool};
- my $res = [];
-
- if (my $dat = $cache->{zfs}->{$zfspool}) {
-
- foreach my $image (keys %$dat) {
-
- my $volname = $dat->{$image}->{name};
- my $parent = $dat->{$image}->{parent};
-
- my $volid = undef;
- if ($parent && $parent =~ m/^(\S+)@(\S+)$/) {
- my ($basename) = ($1);
- $volid = "$storeid:$basename/$volname";
- } else {
- $volid = "$storeid:$volname";
- }
-
- my $owner = $dat->{$volname}->{vmid};
- if ($vollist) {
- my $found = grep { $_ eq $volid } @$vollist;
- next if !$found;
- } else {
- next if defined ($vmid) && ($owner ne $vmid);
- }
-
- my $info = $dat->{$volname};
- $info->{volid} = $volid;
- push @$res, $info;
- }
- }
-
- return $res;
-}
+sub volume_resize {
+ my ($class, $scfg, $storeid, $volname, $size, $running) = @_;
+
+ my $new_size = $class->SUPER::volume_resize($scfg, $storeid, $volname, $size, $running);
-sub activate_storage {
- my ($class, $storeid, $scfg, $cache) = @_;
- return 1;
-}
+ $class->zfs_resize_lu($scfg, $volname, $new_size);
-sub deactivate_storage {
- my ($class, $storeid, $scfg, $cache) = @_;
- return 1;
+ return $new_size;
}
-sub activate_volume {
- my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_;
- return 1;
-}
+sub volume_snapshot_delete {
+ my ($class, $scfg, $storeid, $volname, $snap, $running) = @_;
-sub deactivate_volume {
- my ($class, $storeid, $scfg, $volname, $exclusive, $cache) = @_;
- return 1;
-}
-
-sub volume_resize {
- my ($class, $scfg, $storeid, $volname, $size, $running) = @_;
-
- my $new_size = ($size/1024);
-
- $class->zfs_request($scfg, undef, 'set', 'volsize=' . $new_size . 'k', "$scfg->{pool}/$volname");
- $class->zfs_resize_lu($scfg, $volname, $new_size);
+ $class->zfs_request($scfg, undef, 'destroy', "$scfg->{pool}/$volname\@$snap");
}
sub volume_snapshot_rollback {
my ($class, $scfg, $storeid, $volname, $snap) = @_;
- # abort rollback if snapshot is not the latest
- my @params = ('-t', 'snapshot', '-o', 'name', '-s', 'creation');
- my $text = $class->zfs_request($scfg, undef, 'list', @params);
- my @snapshots = split(/\n/, $text);
- my $recentsnap = undef;
- foreach (@snapshots) {
- if (/$scfg->{pool}\/$volname/) {
- s/^.*@//;
- $recentsnap = $_;
- }
- }
- if ($snap ne $recentsnap) {
- die "cannot rollback, more recent snapshots exist\n";
- }
-
$class->zfs_delete_lu($scfg, $volname);
$class->zfs_request($scfg, undef, 'rollback', "$scfg->{pool}/$volname\@$snap");
$class->zfs_add_lun_mapping_entry($scfg, $volname);
}
+sub volume_send {
+ my ($class, $scfg, $storeid, $volname, $ip, $snap,
+ $incremental_snap, $verbose, $limit, $target_path) = @_;
+
+ die "Volume_send is not implemented for ZFS over iSCSI.\n";
+}
+
sub volume_has_feature {
my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
return undef;
}
+sub volume_snapshot_list {
+ my ($class, $scfg, $storeid, $volname, $prefix, $ip) = @_;
+ # return an empty array if dataset does not exist.
+ die "Volume_snapshot_list is not implemented for ZFS over iSCSI.\n";
+}
+
+sub activate_storage {
+ my ($class, $storeid, $scfg, $cache) = @_;
+
+ return 1;
+}
+
+sub deactivate_storage {
+ my ($class, $storeid, $scfg, $cache) = @_;
+
+ return 1;
+}
+
+sub activate_volume {
+ my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_;
+
+ die "unable to activate snapshot from remote zfs storage" if $snapname;
+
+ return 1;
+}
+
+sub deactivate_volume {
+ my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_;
+
+ die "unable to deactivate snapshot from remote zfs storage" if $snapname;
+
+ return 1;
+}
+
1;
projects / pve-storage.git / blobdiff