16 use Time
::Local
qw(timelocal);
18 use PVE
::Tools
qw(run_command file_read_firstline dir_glob_foreach $IPV6RE);
19 use PVE
::Cluster
qw(cfs_read_file cfs_write_file cfs_lock_file);
20 use PVE
::DataCenterConfig
;
21 use PVE
::Exception
qw(raise_param_exc raise);
24 use PVE
::RPCEnvironment
;
27 use PVE
::Storage
::Plugin
;
28 use PVE
::Storage
::DirPlugin
;
29 use PVE
::Storage
::LVMPlugin
;
30 use PVE
::Storage
::LvmThinPlugin
;
31 use PVE
::Storage
::NFSPlugin
;
32 use PVE
::Storage
::CIFSPlugin
;
33 use PVE
::Storage
::ISCSIPlugin
;
34 use PVE
::Storage
::RBDPlugin
;
35 use PVE
::Storage
::CephFSPlugin
;
36 use PVE
::Storage
::ISCSIDirectPlugin
;
37 use PVE
::Storage
::GlusterfsPlugin
;
38 use PVE
::Storage
::ZFSPoolPlugin
;
39 use PVE
::Storage
::ZFSPlugin
;
40 use PVE
::Storage
::PBSPlugin
;
42 # Storage API version. Increment it on changes in storage API interface.
43 use constant APIVER
=> 8;
44 # Age is the number of versions we're backward compatible with.
45 # This is like having 'current=APIVER' and age='APIAGE' in libtool,
46 # see https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html
47 use constant APIAGE
=> 7;
49 # load standard plugins
50 PVE
::Storage
::DirPlugin-
>register();
51 PVE
::Storage
::LVMPlugin-
>register();
52 PVE
::Storage
::LvmThinPlugin-
>register();
53 PVE
::Storage
::NFSPlugin-
>register();
54 PVE
::Storage
::CIFSPlugin-
>register();
55 PVE
::Storage
::ISCSIPlugin-
>register();
56 PVE
::Storage
::RBDPlugin-
>register();
57 PVE
::Storage
::CephFSPlugin-
>register();
58 PVE
::Storage
::ISCSIDirectPlugin-
>register();
59 PVE
::Storage
::GlusterfsPlugin-
>register();
60 PVE
::Storage
::ZFSPoolPlugin-
>register();
61 PVE
::Storage
::ZFSPlugin-
>register();
62 PVE
::Storage
::PBSPlugin-
>register();
64 # load third-party plugins
65 if ( -d
'/usr/share/perl5/PVE/Storage/Custom' ) {
66 dir_glob_foreach
('/usr/share/perl5/PVE/Storage/Custom', '.*\.pm$', sub {
68 my $modname = 'PVE::Storage::Custom::' . $file;
69 $modname =~ s!\.pm$!!;
70 $file = 'PVE/Storage/Custom/' . $file;
75 # Check perl interface:
76 die "not derived from PVE::Storage::Plugin\n" if !$modname->isa('PVE::Storage::Plugin');
77 die "does not provide an api() method\n" if !$modname->can('api');
78 # Check storage API version and that file is really storage plugin.
79 my $version = $modname->api();
80 die "implements an API version newer than current ($version > " . APIVER
. ")\n"
82 my $min_version = (APIVER
- APIAGE
);
83 die "API version too old, please update the plugin ($version < $min_version)\n"
84 if $version < $min_version;
85 # all OK, do import and register (i.e., "use")
89 # If we got this far and the API version is not the same, make some noise:
90 warn "Plugin \"$modname\" is implementing an older storage API
, an upgrade
is recommended
\n"
91 if $version != APIVER;
94 warn "Error loading storage plugin
\"$modname\": $@";
99 # initialize all plugins
100 PVE
::Storage
::Plugin-
>init();
102 our $iso_extension_re = qr/\.(?:iso|img)/i;
104 # PVE::Storage utility functions
107 return cfs_read_file
("storage.cfg");
113 cfs_write_file
('storage.cfg', $cfg);
116 sub lock_storage_config
{
117 my ($code, $errmsg) = @_;
119 cfs_lock_file
("storage.cfg", undef, $code);
122 $errmsg ?
die "$errmsg: $err" : die $err;
126 # FIXME remove maxfiles for PVE 8.0 or PVE 9.0
127 my $convert_maxfiles_to_prune_backups = sub {
132 my $maxfiles = delete $scfg->{maxfiles
};
134 if (!defined($scfg->{'prune-backups'}) && defined($maxfiles)) {
137 $prune_backups = { 'keep-last' => $maxfiles };
138 } else { # maxfiles 0 means no limit
139 $prune_backups = { 'keep-all' => 1 };
141 $scfg->{'prune-backups'} = PVE
::JSONSchema
::print_property_string
(
149 my ($cfg, $storeid, $noerr) = @_;
151 die "no storage ID specified\n" if !$storeid;
153 my $scfg = $cfg->{ids
}->{$storeid};
155 die "storage '$storeid' does not exist\n" if (!$noerr && !$scfg);
157 $convert_maxfiles_to_prune_backups->($scfg);
162 sub storage_check_node
{
163 my ($cfg, $storeid, $node, $noerr) = @_;
165 my $scfg = storage_config
($cfg, $storeid);
167 if ($scfg->{nodes
}) {
168 $node = PVE
::INotify
::nodename
() if !$node || ($node eq 'localhost');
169 if (!$scfg->{nodes
}->{$node}) {
170 die "storage '$storeid' is not available on node '$node'\n" if !$noerr;
178 sub storage_check_enabled
{
179 my ($cfg, $storeid, $node, $noerr) = @_;
181 my $scfg = storage_config
($cfg, $storeid);
183 if ($scfg->{disable
}) {
184 die "storage '$storeid' is disabled\n" if !$noerr;
188 return storage_check_node
($cfg, $storeid, $node, $noerr);
191 # storage_can_replicate:
192 # return true if storage supports replication
193 # (volumes allocated with vdisk_alloc() has replication feature)
194 sub storage_can_replicate
{
195 my ($cfg, $storeid, $format) = @_;
197 my $scfg = storage_config
($cfg, $storeid);
198 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
199 return $plugin->storage_can_replicate($scfg, $storeid, $format);
205 return keys %{$cfg->{ids
}};
209 my ($filename, $timeout) = @_;
211 return PVE
::Storage
::Plugin
::file_size_info
($filename, $timeout);
214 sub get_volume_notes
{
215 my ($cfg, $volid, $timeout) = @_;
217 my ($storeid, $volname) = parse_volume_id
($volid);
218 my $scfg = storage_config
($cfg, $storeid);
219 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
221 return $plugin->get_volume_notes($scfg, $storeid, $volname, $timeout);
224 sub update_volume_notes
{
225 my ($cfg, $volid, $notes, $timeout) = @_;
227 my ($storeid, $volname) = parse_volume_id
($volid);
228 my $scfg = storage_config
($cfg, $storeid);
229 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
231 $plugin->update_volume_notes($scfg, $storeid, $volname, $notes, $timeout);
234 sub volume_size_info
{
235 my ($cfg, $volid, $timeout) = @_;
237 my ($storeid, $volname) = parse_volume_id
($volid, 1);
239 my $scfg = storage_config
($cfg, $storeid);
240 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
241 return $plugin->volume_size_info($scfg, $storeid, $volname, $timeout);
242 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
243 return file_size_info
($volid, $timeout);
250 my ($cfg, $volid, $size, $running) = @_;
252 my $padding = (1024 - $size % 1024) % 1024;
253 $size = $size + $padding;
255 my ($storeid, $volname) = parse_volume_id
($volid, 1);
257 my $scfg = storage_config
($cfg, $storeid);
258 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
259 return $plugin->volume_resize($scfg, $storeid, $volname, $size, $running);
260 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
261 die "resize file/device '$volid' is not possible\n";
263 die "unable to parse volume ID '$volid'\n";
267 sub volume_rollback_is_possible
{
268 my ($cfg, $volid, $snap) = @_;
270 my ($storeid, $volname) = parse_volume_id
($volid, 1);
272 my $scfg = storage_config
($cfg, $storeid);
273 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
274 return $plugin->volume_rollback_is_possible($scfg, $storeid, $volname, $snap);
275 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
276 die "snapshot rollback file/device '$volid' is not possible\n";
278 die "unable to parse volume ID '$volid'\n";
282 sub volume_snapshot
{
283 my ($cfg, $volid, $snap) = @_;
285 my ($storeid, $volname) = parse_volume_id
($volid, 1);
287 my $scfg = storage_config
($cfg, $storeid);
288 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
289 return $plugin->volume_snapshot($scfg, $storeid, $volname, $snap);
290 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
291 die "snapshot file/device '$volid' is not possible\n";
293 die "unable to parse volume ID '$volid'\n";
297 sub volume_snapshot_rollback
{
298 my ($cfg, $volid, $snap) = @_;
300 my ($storeid, $volname) = parse_volume_id
($volid, 1);
302 my $scfg = storage_config
($cfg, $storeid);
303 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
304 $plugin->volume_rollback_is_possible($scfg, $storeid, $volname, $snap);
305 return $plugin->volume_snapshot_rollback($scfg, $storeid, $volname, $snap);
306 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
307 die "snapshot rollback file/device '$volid' is not possible\n";
309 die "unable to parse volume ID '$volid'\n";
313 sub volume_snapshot_delete
{
314 my ($cfg, $volid, $snap, $running) = @_;
316 my ($storeid, $volname) = parse_volume_id
($volid, 1);
318 my $scfg = storage_config
($cfg, $storeid);
319 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
320 return $plugin->volume_snapshot_delete($scfg, $storeid, $volname, $snap, $running);
321 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
322 die "snapshot delete file/device '$volid' is not possible\n";
324 die "unable to parse volume ID '$volid'\n";
328 # check if a filesystem on top of a volume needs to flush its journal for
329 # consistency (see fsfreeze(8)) before a snapshot is taken - needed for
330 # container mountpoints
331 sub volume_snapshot_needs_fsfreeze
{
332 my ($cfg, $volid) = @_;
334 my ($storeid, $volname) = parse_volume_id
($volid);
335 my $scfg = storage_config
($cfg, $storeid);
336 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
337 return $plugin->volume_snapshot_needs_fsfreeze();
340 # check if a volume or snapshot supports a given feature
342 # clone - linked clone is possible
343 # copy - full clone is possible
344 # replicate - replication is possible
345 # snapshot - taking a snapshot is possible
346 # sparseinit - volume is sparsely initialized
347 # template - conversion to base image is possible
348 # $snap - check if the feature is supported for a given snapshot
349 # $running - if the guest owning the volume is running
350 # $opts - hash with further options:
351 # valid_target_formats - list of formats for the target of a copy/clone
352 # operation that the caller could work with. The
353 # format of $volid is always considered valid and if
354 # no list is specified, all formats are considered valid.
355 sub volume_has_feature
{
356 my ($cfg, $feature, $volid, $snap, $running, $opts) = @_;
358 my ($storeid, $volname) = parse_volume_id
($volid, 1);
360 my $scfg = storage_config
($cfg, $storeid);
361 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
362 return $plugin->volume_has_feature($scfg, $feature, $storeid, $volname, $snap, $running, $opts);
363 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
370 sub volume_snapshot_list
{
371 my ($cfg, $volid) = @_;
373 my ($storeid, $volname) = parse_volume_id
($volid, 1);
375 my $scfg = storage_config
($cfg, $storeid);
376 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
377 return $plugin->volume_snapshot_list($scfg, $storeid, $volname);
378 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
379 die "send file/device '$volid' is not possible\n";
381 die "unable to parse volume ID '$volid'\n";
383 # return an empty array if dataset does not exist.
387 my ($cfg, $storeid, $vmid) = @_;
389 my $scfg = storage_config
($cfg, $storeid);
390 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
392 my $path = $plugin->get_subdir($scfg, 'images');
394 return $vmid ?
"$path/$vmid" : $path;
397 sub get_private_dir
{
398 my ($cfg, $storeid, $vmid) = @_;
400 my $scfg = storage_config
($cfg, $storeid);
401 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
403 my $path = $plugin->get_subdir($scfg, 'rootdir');
405 return $vmid ?
"$path/$vmid" : $path;
409 my ($cfg, $storeid) = @_;
411 my $scfg = storage_config
($cfg, $storeid);
412 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
414 return $plugin->get_subdir($scfg, 'iso');
418 my ($cfg, $storeid) = @_;
420 my $scfg = storage_config
($cfg, $storeid);
421 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
423 return $plugin->get_subdir($scfg, 'vztmpl');
427 my ($cfg, $storeid) = @_;
429 my $scfg = storage_config
($cfg, $storeid);
430 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
432 return $plugin->get_subdir($scfg, 'backup');
435 # library implementation
440 die "VMID '$vmid' contains illegal characters\n" if $vmid !~ m/^\d+$/;
445 # NOTE: basename and basevmid are always undef for LVM-thin, where the
446 # clone -> base reference is not encoded in the volume ID.
447 # see note in PVE::Storage::LvmThinPlugin for details.
449 my ($cfg, $volid) = @_;
451 my ($storeid, $volname) = parse_volume_id
($volid);
453 my $scfg = storage_config
($cfg, $storeid);
455 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
457 # returns ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format)
459 return $plugin->parse_volname($volname);
462 sub parse_volume_id
{
463 my ($volid, $noerr) = @_;
465 return PVE
::Storage
::Plugin
::parse_volume_id
($volid, $noerr);
468 # test if we have read access to volid
469 sub check_volume_access
{
470 my ($rpcenv, $user, $cfg, $vmid, $volid) = @_;
472 my ($sid, $volname) = parse_volume_id
($volid, 1);
474 my ($vtype, undef, $ownervm) = parse_volname
($cfg, $volid);
475 if ($vtype eq 'iso' || $vtype eq 'vztmpl') {
476 # require at least read access to storage, (custom) templates/ISOs could be sensitive
477 $rpcenv->check_any($user, "/storage/$sid", ['Datastore.AllocateSpace', 'Datastore.Audit']);
478 } elsif (defined($ownervm) && defined($vmid) && ($ownervm == $vmid)) {
479 # we are owner - allow access
480 } elsif ($vtype eq 'backup' && $ownervm) {
481 $rpcenv->check($user, "/storage/$sid", ['Datastore.AllocateSpace']);
482 $rpcenv->check($user, "/vms/$ownervm", ['VM.Backup']);
484 # allow if we are Datastore administrator
485 $rpcenv->check($user, "/storage/$sid", ['Datastore.Allocate']);
488 die "Only root can pass arbitrary filesystem paths."
489 if $user ne 'root@pam';
495 # NOTE: this check does not work for LVM-thin, where the clone -> base
496 # reference is not encoded in the volume ID.
497 # see note in PVE::Storage::LvmThinPlugin for details.
498 sub volume_is_base_and_used
{
499 my ($cfg, $volid) = @_;
501 my ($storeid, $volname) = parse_volume_id
($volid);
502 my $scfg = storage_config
($cfg, $storeid);
503 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
505 my ($vtype, $name, $vmid, undef, undef, $isBase, undef) =
506 $plugin->parse_volname($volname);
509 my $vollist = $plugin->list_images($storeid, $scfg);
510 foreach my $info (@$vollist) {
511 my (undef, $tmpvolname) = parse_volume_id
($info->{volid
});
512 my $basename = undef;
513 my $basevmid = undef;
516 (undef, undef, undef, $basename, $basevmid) =
517 $plugin->parse_volname($tmpvolname);
520 if ($basename && defined($basevmid) && $basevmid == $vmid && $basename eq $name) {
528 # try to map a filesystem path to a volume identifier
529 sub path_to_volume_id
{
530 my ($cfg, $path) = @_;
532 my $ids = $cfg->{ids
};
534 my ($sid, $volname) = parse_volume_id
($path, 1);
536 if (my $scfg = $ids->{$sid}) {
538 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
539 my ($vtype, $name, $vmid) = $plugin->parse_volname($volname);
540 return ($vtype, $path);
546 # Note: abs_path() return undef if $path doesn not exist
547 # for example when nfs storage is not mounted
548 $path = abs_path
($path) || $path;
550 foreach my $sid (keys %$ids) {
551 my $scfg = $ids->{$sid};
552 next if !$scfg->{path
};
553 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
554 my $imagedir = $plugin->get_subdir($scfg, 'images');
555 my $isodir = $plugin->get_subdir($scfg, 'iso');
556 my $tmpldir = $plugin->get_subdir($scfg, 'vztmpl');
557 my $backupdir = $plugin->get_subdir($scfg, 'backup');
558 my $privatedir = $plugin->get_subdir($scfg, 'rootdir');
559 my $snippetsdir = $plugin->get_subdir($scfg, 'snippets');
561 if ($path =~ m!^$imagedir/(\d+)/([^/\s]+)$!) {
565 my $vollist = $plugin->list_images($sid, $scfg, $vmid);
566 foreach my $info (@$vollist) {
567 my ($storeid, $volname) = parse_volume_id
($info->{volid
});
568 my $volpath = $plugin->path($scfg, $volname, $storeid);
569 if ($volpath eq $path) {
570 return ('images', $info->{volid
});
573 } elsif ($path =~ m!^$isodir/([^/]+$iso_extension_re)$!) {
575 return ('iso', "$sid:iso/$name");
576 } elsif ($path =~ m!^$tmpldir/([^/]+\.tar\.gz)$!) {
578 return ('vztmpl', "$sid:vztmpl/$name");
579 } elsif ($path =~ m!^$privatedir/(\d+)$!) {
581 return ('rootdir', "$sid:rootdir/$vmid");
582 } elsif ($path =~ m!^$backupdir/([^/]+\.(?:tgz|(?:(?:tar|vma)(?:\.(?:${\PVE::Storage::Plugin::COMPRESSOR_RE}))?)))$!) {
584 return ('backup', "$sid:backup/$name");
585 } elsif ($path =~ m!^$snippetsdir/([^/]+)$!) {
587 return ('snippets', "$sid:snippets/$name");
591 # can't map path to volume id
596 my ($cfg, $volid, $snapname) = @_;
598 my ($storeid, $volname) = parse_volume_id
($volid);
600 my $scfg = storage_config
($cfg, $storeid);
602 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
603 my ($path, $owner, $vtype) = $plugin->path($scfg, $volname, $storeid, $snapname);
604 return wantarray ?
($path, $owner, $vtype) : $path;
607 sub abs_filesystem_path
{
608 my ($cfg, $volid, $allow_blockdev) = @_;
611 if (parse_volume_id
($volid, 1)) {
612 activate_volumes
($cfg, [ $volid ]);
613 $path = PVE
::Storage
::path
($cfg, $volid);
615 if (-f
$volid || ($allow_blockdev && -b
$volid)) {
616 my $abspath = abs_path
($volid);
617 if ($abspath && $abspath =~ m
|^(/.+)$|) {
618 $path = $1; # untaint any path
622 die "can't find file '$volid'\n"
623 if !($path && (-f
$path || ($allow_blockdev && -b
$path)));
628 my $volname_for_storage = sub {
629 my ($cfg, $volid, $target_storeid) = @_;
631 my (undef, $name, $vmid, undef, undef, undef, $format) = parse_volname
($cfg, $volid);
632 my $target_scfg = storage_config
($cfg, $target_storeid);
634 my (undef, $valid_formats) = PVE
::Storage
::Plugin
::default_format
($target_scfg);
635 my $format_is_valid = grep { $_ eq $format } @$valid_formats;
636 die "unsupported format '$format' for storage type $target_scfg->{type}\n" if !$format_is_valid;
638 (my $name_without_extension = $name) =~ s/\.$format$//;
640 if ($target_scfg->{path
}) {
641 return "$vmid/$name_without_extension.$format";
643 return "$name_without_extension";
647 sub storage_migrate
{
648 my ($cfg, $volid, $target_sshinfo, $target_storeid, $opts, $logfunc) = @_;
650 my $base_snapshot = $opts->{base_snapshot
};
651 my $snapshot = $opts->{snapshot
};
652 my $ratelimit_bps = $opts->{ratelimit_bps
};
653 my $insecure = $opts->{insecure
};
654 my $with_snapshots = $opts->{with_snapshots
} ?
1 : 0;
655 my $allow_rename = $opts->{allow_rename
} ?
1 : 0;
657 my ($storeid, $volname) = parse_volume_id
($volid);
659 my $scfg = storage_config
($cfg, $storeid);
661 # no need to migrate shared content
662 return $volid if $storeid eq $target_storeid && $scfg->{shared
};
664 my $tcfg = storage_config
($cfg, $target_storeid);
667 if ($opts->{target_volname
}) {
668 $target_volname = $opts->{target_volname
};
669 } elsif ($scfg->{type
} eq $tcfg->{type
}) {
670 $target_volname = $volname;
672 $target_volname = $volname_for_storage->($cfg, $volid, $target_storeid);
675 my $target_volid = "${target_storeid}:${target_volname}";
677 my $target_ip = $target_sshinfo->{ip
};
679 my $ssh = PVE
::SSHInfo
::ssh_info_to_command
($target_sshinfo);
680 my $ssh_base = PVE
::SSHInfo
::ssh_info_to_command_base
($target_sshinfo);
681 local $ENV{RSYNC_RSH
} = PVE
::Tools
::cmd2string
($ssh_base);
684 if (defined($ratelimit_bps)) {
685 @cstream = ([ '/usr/bin/cstream', '-t', $ratelimit_bps ]);
686 $logfunc->("using a bandwidth limit of $ratelimit_bps bps for transferring '$volid'") if $logfunc;
689 my $migration_snapshot;
690 if (!defined($snapshot)) {
691 if ($scfg->{type
} eq 'zfspool') {
692 $migration_snapshot = 1;
693 $snapshot = '__migration__';
697 my @formats = volume_transfer_formats
($cfg, $volid, $target_volid, $snapshot, $base_snapshot, $with_snapshots);
698 die "cannot migrate from storage type '$scfg->{type}' to '$tcfg->{type}'\n" if !@formats;
699 my $format = $formats[0];
701 my $import_fn = '-'; # let pvesm import read from stdin per default
703 my $net = $target_sshinfo->{network
} // $target_sshinfo->{ip
};
704 $import_fn = "tcp://$net";
707 my $target_apiver = 1; # if there is no apiinfo call, assume 1
708 my $get_api_version = [@$ssh, 'pvesm', 'apiinfo'];
709 my $match_api_version = sub { $target_apiver = $1 if $_[0] =~ m!^APIVER (\d+)$!; };
710 eval { run_command
($get_api_version, logfunc
=> $match_api_version); };
712 my $send = ['pvesm', 'export', $volid, $format, '-', '-with-snapshots', $with_snapshots];
713 my $recv = [@$ssh, '--', 'pvesm', 'import', $target_volid, $format, $import_fn, '-with-snapshots', $with_snapshots];
714 if (defined($snapshot)) {
715 push @$send, '-snapshot', $snapshot
717 if ($migration_snapshot) {
718 push @$recv, '-delete-snapshot', $snapshot;
720 push @$recv, '-allow-rename', $allow_rename if $target_apiver >= 5;
722 if (defined($base_snapshot)) {
723 # Check if the snapshot exists on the remote side:
724 push @$send, '-base', $base_snapshot;
725 push @$recv, '-base', $base_snapshot;
729 my $pattern = volume_imported_message
(undef, 1);
730 my $match_volid_and_log = sub {
733 $new_volid = $1 if ($line =~ $pattern);
741 volume_snapshot
($cfg, $volid, $snapshot) if $migration_snapshot;
743 if (defined($snapshot)) {
744 activate_volumes
($cfg, [$volid], $snapshot);
746 activate_volumes
($cfg, [$volid]);
751 my $input = IO
::File-
>new();
752 my $info = IO
::File-
>new();
753 open3
($input, $info, $info, @{$recv})
754 or die "receive command failed: $!\n";
757 my $try_ip = <$info> // '';
758 my ($ip) = $try_ip =~ /^($PVE::Tools::IPRE)$/ # untaint
759 or die "no tunnel IP received, got '$try_ip'\n";
761 my $try_port = <$info> // '';
762 my ($port) = $try_port =~ /^(\d+)$/ # untaint
763 or die "no tunnel port received, got '$try_port'\n";
765 my $socket = IO
::Socket
::IP-
>new(PeerHost
=> $ip, PeerPort
=> $port, Type
=> SOCK_STREAM
)
766 or die "failed to connect to tunnel at $ip:$port\n";
767 # we won't be reading from the socket
768 shutdown($socket, 0);
770 eval { run_command
([$send, @cstream], output
=> '>&'.fileno($socket), errfunc
=> $logfunc); };
773 # don't close the connection entirely otherwise the receiving end
774 # might not get all buffered data (and fails with 'connection reset by peer')
775 shutdown($socket, 1);
777 # wait for the remote process to finish
778 while (my $line = <$info>) {
779 $match_volid_and_log->("[$target_sshinfo->{name}] $line");
782 # now close the socket
784 if (!close($info)) { # does waitpid()
785 die "import failed: $!\n" if $!;
786 die "import failed: exit code ".($?>>8)."\n";
789 die $send_error if $send_error;
791 run_command
([$send, @cstream, $recv], logfunc
=> $match_volid_and_log);
794 die "unable to get ID of the migrated volume\n"
795 if !defined($new_volid) && $target_apiver >= 5;
798 warn "send/receive failed, cleaning up snapshot(s)..\n" if $err;
799 if ($migration_snapshot) {
800 eval { volume_snapshot_delete
($cfg, $volid, $snapshot, 0) };
801 warn "could not remove source snapshot: $@\n" if $@;
805 return $new_volid // $target_volid;
809 my ($cfg, $volid, $vmid, $snap) = @_;
811 my ($storeid, $volname) = parse_volume_id
($volid);
813 my $scfg = storage_config
($cfg, $storeid);
815 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
817 activate_storage
($cfg, $storeid);
819 # lock shared storage
820 return $plugin->cluster_lock_storage($storeid, $scfg->{shared
}, undef, sub {
821 my $volname = $plugin->clone_image($scfg, $storeid, $volname, $vmid, $snap);
822 return "$storeid:$volname";
826 sub vdisk_create_base
{
827 my ($cfg, $volid) = @_;
829 my ($storeid, $volname) = parse_volume_id
($volid);
831 my $scfg = storage_config
($cfg, $storeid);
833 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
835 activate_storage
($cfg, $storeid);
837 # lock shared storage
838 return $plugin->cluster_lock_storage($storeid, $scfg->{shared
}, undef, sub {
839 my $volname = $plugin->create_base($storeid, $scfg, $volname);
840 return "$storeid:$volname";
845 my ($cfg, $volid, $snapname) = @_;
847 my ($storeid, $volname) = parse_volume_id
($volid);
849 my $scfg = storage_config
($cfg, $storeid);
851 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
853 return $plugin->map_volume($storeid, $scfg, $volname, $snapname);
857 my ($cfg, $volid, $snapname) = @_;
859 my ($storeid, $volname) = parse_volume_id
($volid);
861 my $scfg = storage_config
($cfg, $storeid);
863 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
865 return $plugin->unmap_volume($storeid, $scfg, $volname, $snapname);
869 my ($cfg, $storeid, $vmid, $fmt, $name, $size) = @_;
871 die "no storage ID specified\n" if !$storeid;
873 PVE
::JSONSchema
::parse_storage_id
($storeid);
875 my $scfg = storage_config
($cfg, $storeid);
877 die "no VMID specified\n" if !$vmid;
879 $vmid = parse_vmid
($vmid);
881 my $defformat = PVE
::Storage
::Plugin
::default_format
($scfg);
883 $fmt = $defformat if !$fmt;
885 activate_storage
($cfg, $storeid);
887 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
889 # lock shared storage
890 return $plugin->cluster_lock_storage($storeid, $scfg->{shared
}, undef, sub {
891 my $old_umask = umask(umask|0037);
892 my $volname = eval { $plugin->alloc_image($storeid, $scfg, $vmid, $fmt, $name, $size) };
896 return "$storeid:$volname";
901 my ($cfg, $volid) = @_;
903 my ($storeid, $volname) = parse_volume_id
($volid);
904 my $scfg = storage_config
($cfg, $storeid);
905 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
907 activate_storage
($cfg, $storeid);
911 # lock shared storage
912 $plugin->cluster_lock_storage($storeid, $scfg->{shared
}, undef, sub {
913 # LVM-thin allows deletion of still referenced base volumes!
914 die "base volume '$volname' is still in use by linked clones\n"
915 if volume_is_base_and_used
($cfg, $volid);
917 my (undef, undef, undef, undef, undef, $isBase, $format) =
918 $plugin->parse_volname($volname);
919 $cleanup_worker = $plugin->free_image($storeid, $scfg, $volname, $isBase, $format);
922 return if !$cleanup_worker;
924 my $rpcenv = PVE
::RPCEnvironment
::get
();
925 my $authuser = $rpcenv->get_user();
927 $rpcenv->fork_worker('imgdel', undef, $authuser, $cleanup_worker);
931 my ($cfg, $storeid, $vmid, $vollist, $ctype) = @_;
933 my $ids = $cfg->{ids
};
935 storage_check_enabled
($cfg, $storeid) if ($storeid);
937 my $res = $storeid ?
{ $storeid => [] } : {};
939 # prepare/activate/refresh all storages
941 my $storage_list = [];
943 foreach my $volid (@$vollist) {
944 my ($sid, undef) = parse_volume_id
($volid);
945 next if !defined($ids->{$sid});
946 next if !storage_check_enabled
($cfg, $sid, undef, 1);
947 push @$storage_list, $sid;
950 foreach my $sid (keys %$ids) {
951 next if $storeid && $storeid ne $sid;
952 next if !storage_check_enabled
($cfg, $sid, undef, 1);
953 my $content = $ids->{$sid}->{content
};
954 next if defined($ctype) && !$content->{$ctype};
955 next if !($content->{rootdir
} || $content->{images
});
956 push @$storage_list, $sid;
962 activate_storage_list
($cfg, $storage_list, $cache);
964 for my $sid ($storage_list->@*) {
965 next if $storeid && $storeid ne $sid;
967 my $scfg = $ids->{$sid};
968 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
969 $res->{$sid} = $plugin->list_images($sid, $scfg, $vmid, $vollist, $cache);
970 @{$res->{$sid}} = sort {lc($a->{volid
}) cmp lc ($b->{volid
}) } @{$res->{$sid}} if $res->{$sid};
977 my ($cfg, $storeid, $tt) = @_;
979 die "unknown template type '$tt'\n"
980 if !($tt eq 'iso' || $tt eq 'vztmpl' || $tt eq 'backup' || $tt eq 'snippets');
982 my $ids = $cfg->{ids
};
984 storage_check_enabled
($cfg, $storeid) if ($storeid);
989 foreach my $sid (keys %$ids) {
990 next if $storeid && $storeid ne $sid;
992 my $scfg = $ids->{$sid};
993 my $type = $scfg->{type
};
995 next if !$scfg->{content
}->{$tt};
997 next if !storage_check_enabled
($cfg, $sid, undef, 1);
999 $res->{$sid} = volume_list
($cfg, $sid, undef, $tt);
1006 my ($cfg, $storeid, $vmid, $content) = @_;
1008 my @ctypes = qw(rootdir images vztmpl iso backup snippets);
1010 my $cts = $content ?
[ $content ] : [ @ctypes ];
1012 my $scfg = PVE
::Storage
::storage_config
($cfg, $storeid);
1014 $cts = [ grep { defined($scfg->{content
}->{$_}) } @$cts ];
1016 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
1018 activate_storage
($cfg, $storeid);
1020 my $res = $plugin->list_volumes($storeid, $scfg, $vmid, $cts);
1022 @$res = sort {lc($a->{volid
}) cmp lc ($b->{volid
}) } @$res;
1029 my $filename = "/sys/kernel/uevent_seqnum";
1032 if (my $fh = IO
::File-
>new($filename, "r")) {
1034 if ($line =~ m/^(\d+)$/) {
1042 sub activate_storage
{
1043 my ($cfg, $storeid, $cache) = @_;
1045 $cache = {} if !$cache;
1047 my $scfg = storage_check_enabled
($cfg, $storeid);
1049 return if $cache->{activated
}->{$storeid};
1051 $cache->{uevent_seqnum
} = uevent_seqnum
() if !$cache->{uevent_seqnum
};
1053 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
1055 if ($scfg->{base
}) {
1056 my ($baseid, undef) = parse_volume_id
($scfg->{base
});
1057 activate_storage
($cfg, $baseid, $cache);
1060 if (!$plugin->check_connection($storeid, $scfg)) {
1061 die "storage '$storeid' is not online\n";
1064 $plugin->activate_storage($storeid, $scfg, $cache);
1066 my $newseq = uevent_seqnum
();
1068 # only call udevsettle if there are events
1069 if ($newseq > $cache->{uevent_seqnum
}) {
1070 system ("udevadm settle --timeout=30"); # ignore errors
1071 $cache->{uevent_seqnum
} = $newseq;
1074 $cache->{activated
}->{$storeid} = 1;
1077 sub activate_storage_list
{
1078 my ($cfg, $storeid_list, $cache) = @_;
1080 $cache = {} if !$cache;
1082 foreach my $storeid (@$storeid_list) {
1083 activate_storage
($cfg, $storeid, $cache);
1087 sub deactivate_storage
{
1088 my ($cfg, $storeid) = @_;
1090 my $scfg = storage_config
($cfg, $storeid);
1091 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
1094 $plugin->deactivate_storage($storeid, $scfg, $cache);
1097 sub activate_volumes
{
1098 my ($cfg, $vollist, $snapname) = @_;
1100 return if !($vollist && scalar(@$vollist));
1102 my $storagehash = {};
1103 foreach my $volid (@$vollist) {
1104 my ($storeid, undef) = parse_volume_id
($volid);
1105 $storagehash->{$storeid} = 1;
1110 activate_storage_list
($cfg, [keys %$storagehash], $cache);
1112 foreach my $volid (@$vollist) {
1113 my ($storeid, $volname) = parse_volume_id
($volid);
1114 my $scfg = storage_config
($cfg, $storeid);
1115 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
1116 $plugin->activate_volume($storeid, $scfg, $volname, $snapname, $cache);
1120 sub deactivate_volumes
{
1121 my ($cfg, $vollist, $snapname) = @_;
1123 return if !($vollist && scalar(@$vollist));
1128 foreach my $volid (@$vollist) {
1129 my ($storeid, $volname) = parse_volume_id
($volid);
1131 my $scfg = storage_config
($cfg, $storeid);
1132 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
1135 $plugin->deactivate_volume($storeid, $scfg, $volname, $snapname, $cache);
1139 push @errlist, $volid;
1143 die "volume deactivation failed: " . join(' ', @errlist)
1144 if scalar(@errlist);
1148 my ($cfg, $content, $includeformat) = @_;
1150 my $ids = $cfg->{ids
};
1154 my @ctypes = PVE
::Tools
::split_list
($content);
1157 foreach my $storeid (keys %$ids) {
1158 my $storage_enabled = defined(storage_check_enabled
($cfg, $storeid, undef, 1));
1160 if (defined($content)) {
1162 foreach my $ctype (@ctypes) {
1163 if ($ids->{$storeid}->{content
}->{$ctype}) {
1168 next if !$want_ctype || !$storage_enabled;
1171 my $type = $ids->{$storeid}->{type
};
1173 $info->{$storeid} = {
1178 shared
=> $ids->{$storeid}->{shared
} ?
1 : 0,
1179 content
=> PVE
::Storage
::Plugin
::content_hash_to_string
($ids->{$storeid}->{content
}),
1181 enabled
=> $storage_enabled ?
1 : 0,
1184 push @$slist, $storeid;
1189 foreach my $storeid (keys %$ids) {
1190 my $scfg = $ids->{$storeid};
1192 next if !$info->{$storeid};
1193 next if !$info->{$storeid}->{enabled
};
1195 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
1196 if ($includeformat) {
1197 my $pd = $plugin->plugindata();
1198 $info->{$storeid}->{format
} = $pd->{format
}
1200 $info->{$storeid}->{select_existing
} = $pd->{select_existing
}
1201 if $pd->{select_existing
};
1204 eval { activate_storage
($cfg, $storeid, $cache); };
1210 my ($total, $avail, $used, $active) = eval { $plugin->status($storeid, $scfg, $cache); };
1213 $info->{$storeid}->{total
} = int($total);
1214 $info->{$storeid}->{avail
} = int($avail);
1215 $info->{$storeid}->{used
} = int($used);
1216 $info->{$storeid}->{active
} = $active;
1225 my ($packed_ip, $family);
1227 my @res = PVE
::Tools
::getaddrinfo_all
($server);
1228 $family = $res[0]->{family
};
1229 $packed_ip = (PVE
::Tools
::unpack_sockaddr_in46
($res[0]->{addr
}))[2];
1231 if (defined $packed_ip) {
1232 return Socket
::inet_ntop
($family, $packed_ip);
1238 my ($server_in) = @_;
1241 if (!($server = resolv_server
($server_in))) {
1242 die "unable to resolve address for server '${server_in}'\n";
1245 my $cmd = ['/sbin/showmount', '--no-headers', '--exports', $server];
1248 run_command
($cmd, outfunc
=> sub {
1251 # note: howto handle white spaces in export path??
1252 if ($line =~ m!^(/\S+)\s+(.+)$!) {
1261 my ($server_in, $user, $password, $domain) = @_;
1263 my $server = resolv_server
($server_in);
1264 die "unable to resolve address for server '${server_in}'\n" if !$server;
1266 # we only support Windows 2012 and newer, so just use smb3
1267 my $cmd = ['/usr/bin/smbclient', '-m', 'smb3', '-d', '0', '-L', $server];
1268 push @$cmd, '-W', $domain if defined($domain);
1270 push @$cmd, '-N' if !defined($password);
1271 local $ENV{USER
} = $user if defined($user);
1272 local $ENV{PASSWD
} = $password if defined($password);
1283 if ($line =~ m/(\S+)\s*Disk\s*(\S*)/) {
1285 } elsif ($line =~ m/(NT_STATUS_(\S+))/) {
1287 $err .= "unexpected status: $1\n" if uc($1) ne 'SUCCESS';
1291 # only die if we got no share, else it's just some followup check error
1292 # (like workgroup querying)
1293 raise
($err) if $err && !%$res;
1300 my $cmd = ['zfs', 'list', '-t', 'filesystem', '-Hp', '-o', 'name,avail,used'];
1303 run_command
($cmd, outfunc
=> sub {
1306 if ($line =~m/^(\S+)\s+(\S+)\s+(\S+)$/) {
1307 my ($pool, $size_str, $used_str) = ($1, $2, $3);
1308 my $size = $size_str + 0;
1309 my $used = $used_str + 0;
1310 # ignore subvolumes generated by our ZFSPoolPlugin
1311 return if $pool =~ m!/subvol-\d+-[^/]+$!;
1312 return if $pool =~ m!/basevol-\d+-[^/]+$!;
1313 push @$res, { pool
=> $pool, size
=> $size, free
=> $size-$used };
1321 my ($portal, $noerr) = @_;
1323 my ($server, $port) = PVE
::Tools
::parse_host_and_port
($portal);
1325 if (my $ip = resolv_server
($server)) {
1327 $server = "[$server]" if $server =~ /^$IPV6RE$/;
1328 return $port ?
"$server:$port" : $server;
1331 return undef if $noerr;
1333 raise_param_exc
({ portal
=> "unable to resolve portal address '$portal'" });
1338 my ($portal_in) = @_;
1341 if (!($portal = resolv_portal
($portal_in))) {
1342 die "unable to parse/resolve portal address '${portal_in}'\n";
1345 return PVE
::Storage
::ISCSIPlugin
::iscsi_discovery
($portal);
1348 sub storage_default_format
{
1349 my ($cfg, $storeid) = @_;
1351 my $scfg = storage_config
($cfg, $storeid);
1353 return PVE
::Storage
::Plugin
::default_format
($scfg);
1356 sub vgroup_is_used
{
1357 my ($cfg, $vgname) = @_;
1359 foreach my $storeid (keys %{$cfg->{ids
}}) {
1360 my $scfg = storage_config
($cfg, $storeid);
1361 if ($scfg->{type
} eq 'lvm' && $scfg->{vgname
} eq $vgname) {
1369 sub target_is_used
{
1370 my ($cfg, $target) = @_;
1372 foreach my $storeid (keys %{$cfg->{ids
}}) {
1373 my $scfg = storage_config
($cfg, $storeid);
1374 if ($scfg->{type
} eq 'iscsi' && $scfg->{target
} eq $target) {
1382 sub volume_is_used
{
1383 my ($cfg, $volid) = @_;
1385 foreach my $storeid (keys %{$cfg->{ids
}}) {
1386 my $scfg = storage_config
($cfg, $storeid);
1387 if ($scfg->{base
} && $scfg->{base
} eq $volid) {
1395 sub storage_is_used
{
1396 my ($cfg, $storeid) = @_;
1398 foreach my $sid (keys %{$cfg->{ids
}}) {
1399 my $scfg = storage_config
($cfg, $sid);
1400 next if !$scfg->{base
};
1401 my ($st) = parse_volume_id
($scfg->{base
});
1402 return 1 if $st && $st eq $storeid;
1409 my ($list, $func) = @_;
1413 foreach my $sid (keys %$list) {
1414 foreach my $info (@{$list->{$sid}}) {
1415 my $volid = $info->{volid
};
1416 my ($sid1, $volname) = parse_volume_id
($volid, 1);
1417 if ($sid1 && $sid1 eq $sid) {
1418 &$func ($volid, $sid, $info);
1420 warn "detected strange volid '$volid' in volume list for '$sid'\n";
1426 sub decompressor_info
{
1427 my ($format, $comp) = @_;
1429 if ($format eq 'tgz' && !defined($comp)) {
1430 ($format, $comp) = ('tar', 'gz');
1433 my $decompressor = {
1435 gz
=> ['tar', '-z'],
1436 lzo
=> ['tar', '--lzop'],
1437 zst
=> ['tar', '--zstd'],
1441 lzo
=> ['lzop', '-d', '-c'],
1442 zst
=> ['zstd', '-q', '-d', '-c'],
1446 die "ERROR: archive format not defined\n"
1447 if !defined($decompressor->{$format});
1450 $decomp = $decompressor->{$format}->{$comp} if $comp;
1454 compression
=> $comp,
1455 decompressor
=> $decomp,
1462 my ($archive) = shift;
1465 my $volid = basename
($archive);
1466 if ($volid =~ /^(vzdump-(lxc|openvz|qemu)-.+\.(tgz$|tar|vma)(?:\.(${\PVE::Storage::Plugin::COMPRESSOR_RE}))?)$/) {
1467 my $filename = "$1"; # untaint
1468 my ($type, $format, $comp) = ($2, $3, $4);
1469 my $format_re = defined($comp) ?
"$format.$comp" : "$format";
1470 $info = decompressor_info
($format, $comp);
1471 $info->{filename
} = $filename;
1472 $info->{type
} = $type;
1474 if ($volid =~ /^(vzdump-${type}-([1-9][0-9]{2,8})-(\d{4})_(\d{2})_(\d{2})-(\d{2})_(\d{2})_(\d{2}))\.${format_re}$/) {
1475 $info->{logfilename
} = "$1.log";
1476 $info->{vmid
} = int($2);
1477 $info->{ctime
} = timelocal
($8, $7, $6, $5, $4 - 1, $3);
1478 $info->{is_std_name
} = 1;
1480 $info->{is_std_name
} = 0;
1483 die "ERROR: couldn't determine archive info from '$archive'\n";
1489 sub archive_remove
{
1490 my ($archive_path) = @_;
1492 my $dirname = dirname
($archive_path);
1493 my $archive_info = eval { archive_info
($archive_path) } // {};
1494 my $logfn = $archive_info->{logfilename
};
1496 unlink $archive_path or die "removing archive $archive_path failed: $!\n";
1498 if (defined($logfn)) {
1499 my $logpath = "$dirname/$logfn";
1501 unlink $logpath or warn "removing log file $logpath failed: $!\n";
1506 sub extract_vzdump_config_tar
{
1507 my ($archive, $conf_re) = @_;
1509 die "ERROR: file '$archive' does not exist\n" if ! -f
$archive;
1511 my $pid = open(my $fh, '-|', 'tar', 'tf', $archive) ||
1512 die "unable to open file '$archive'\n";
1515 while (defined($file = <$fh>)) {
1516 if ($file =~ $conf_re) {
1517 $file = $1; # untaint
1526 die "ERROR: archive contains no configuration file\n" if !$file;
1532 $raw .= "$output\n";
1535 run_command
(['tar', '-xpOf', $archive, $file, '--occurrence'], outfunc
=> $out);
1537 return wantarray ?
($raw, $file) : $raw;
1540 sub extract_vzdump_config_vma
{
1541 my ($archive, $comp) = @_;
1544 my $out = sub { $raw .= "$_[0]\n"; };
1546 my $info = archive_info
($archive);
1547 $comp //= $info->{compression
};
1548 my $decompressor = $info->{decompressor
};
1551 my $cmd = [ [@$decompressor, $archive], ["vma", "config", "-"] ];
1553 # lzop/zcat exits with 1 when the pipe is closed early by vma, detect this and ignore the exit code later
1558 if ($output =~ m/lzop: Broken pipe: <stdout>/ || $output =~ m/gzip: stdout: Broken pipe/ || $output =~ m/zstd: error 70 : Write error : Broken pipe/) {
1560 } elsif (!defined ($errstring) && $output !~ m/^\s*$/) {
1561 $errstring = "Failed to extract config from VMA archive: $output\n";
1565 my $rc = eval { run_command
($cmd, outfunc
=> $out, errfunc
=> $err, noerr
=> 1) };
1568 $broken_pipe ||= $rc == 141; # broken pipe from vma POV
1570 if (!$errstring && !$broken_pipe && $rc != 0) {
1571 die "$rerr\n" if $rerr;
1572 die "config extraction failed with exit code $rc\n";
1574 die "$errstring\n" if $errstring;
1576 run_command
(["vma", "config", $archive], outfunc
=> $out);
1579 return wantarray ?
($raw, undef) : $raw;
1582 sub extract_vzdump_config
{
1583 my ($cfg, $volid) = @_;
1585 my ($storeid, $volname) = parse_volume_id
($volid);
1586 if (defined($storeid)) {
1587 my $scfg = storage_config
($cfg, $storeid);
1588 if ($scfg->{type
} eq 'pbs') {
1589 storage_check_enabled
($cfg, $storeid);
1590 return PVE
::Storage
::PBSPlugin-
>extract_vzdump_config($scfg, $volname, $storeid);
1594 my $archive = abs_filesystem_path
($cfg, $volid);
1595 my $info = archive_info
($archive);
1596 my $format = $info->{format
};
1597 my $comp = $info->{compression
};
1598 my $type = $info->{type
};
1600 if ($type eq 'lxc' || $type eq 'openvz') {
1601 return extract_vzdump_config_tar
($archive, qr!^(\./etc/vzdump/(pct|vps)\.conf)$!);
1602 } elsif ($type eq 'qemu') {
1603 if ($format eq 'tar') {
1604 return extract_vzdump_config_tar
($archive, qr!\(\./qemu-server\.conf\)!);
1606 return extract_vzdump_config_vma
($archive, $comp);
1609 die "cannot determine backup guest type for backup archive '$volid'\n";
1614 my ($cfg, $storeid, $keep, $vmid, $type, $dryrun, $logfunc) = @_;
1616 my $scfg = storage_config
($cfg, $storeid);
1617 die "storage '$storeid' does not support backups\n" if !$scfg->{content
}->{backup
};
1619 if (!defined($keep)) {
1620 die "no prune-backups options configured for storage '$storeid'\n"
1621 if !defined($scfg->{'prune-backups'});
1622 $keep = PVE
::JSONSchema
::parse_property_string
('prune-backups', $scfg->{'prune-backups'});
1625 activate_storage
($cfg, $storeid);
1627 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
1628 return $plugin->prune_backups($scfg, $storeid, $keep, $vmid, $type, $dryrun, $logfunc);
1631 my $prune_mark = sub {
1632 my ($prune_entries, $keep_count, $id_func) = @_;
1634 return if !$keep_count;
1636 my $already_included = {};
1637 my $newly_included = {};
1639 foreach my $prune_entry (@{$prune_entries}) {
1640 my $mark = $prune_entry->{mark
};
1641 my $id = $id_func->($prune_entry->{ctime
});
1642 $already_included->{$id} = 1 if defined($mark) && $mark eq 'keep';
1645 foreach my $prune_entry (@{$prune_entries}) {
1646 my $mark = $prune_entry->{mark
};
1647 my $id = $id_func->($prune_entry->{ctime
});
1649 next if defined($mark) || $already_included->{$id};
1651 if (!$newly_included->{$id}) {
1652 last if scalar(keys %{$newly_included}) >= $keep_count;
1653 $newly_included->{$id} = 1;
1654 $prune_entry->{mark
} = 'keep';
1656 $prune_entry->{mark
} = 'remove';
1661 sub prune_mark_backup_group
{
1662 my ($backup_group, $keep) = @_;
1664 my $keep_all = delete $keep->{'keep-all'};
1666 if ($keep_all || !scalar(grep {$_ > 0} values %{$keep})) {
1667 $keep = { 'keep-all' => 1 } if $keep_all;
1668 foreach my $prune_entry (@{$backup_group}) {
1669 $prune_entry->{mark
} = 'keep';
1674 my $prune_list = [ sort { $b->{ctime
} <=> $a->{ctime
} } @{$backup_group} ];
1676 $prune_mark->($prune_list, $keep->{'keep-last'}, sub {
1680 $prune_mark->($prune_list, $keep->{'keep-hourly'}, sub {
1682 my (undef, undef, $hour, $day, $month, $year) = localtime($ctime);
1683 return "$hour/$day/$month/$year";
1685 $prune_mark->($prune_list, $keep->{'keep-daily'}, sub {
1687 my (undef, undef, undef, $day, $month, $year) = localtime($ctime);
1688 return "$day/$month/$year";
1690 $prune_mark->($prune_list, $keep->{'keep-weekly'}, sub {
1692 my ($sec, $min, $hour, $day, $month, $year) = localtime($ctime);
1693 my $iso_week = int(strftime
("%V", $sec, $min, $hour, $day, $month, $year));
1694 my $iso_week_year = int(strftime
("%G", $sec, $min, $hour, $day, $month, $year));
1695 return "$iso_week/$iso_week_year";
1697 $prune_mark->($prune_list, $keep->{'keep-monthly'}, sub {
1699 my (undef, undef, undef, undef, $month, $year) = localtime($ctime);
1700 return "$month/$year";
1702 $prune_mark->($prune_list, $keep->{'keep-yearly'}, sub {
1704 my $year = (localtime($ctime))[5];
1708 foreach my $prune_entry (@{$prune_list}) {
1709 $prune_entry->{mark
} //= 'remove';
1714 my ($cfg, $fh, $volid, $format, $snapshot, $base_snapshot, $with_snapshots) = @_;
1716 my ($storeid, $volname) = parse_volume_id
($volid, 1);
1717 die "cannot export volume '$volid'\n" if !$storeid;
1718 my $scfg = storage_config
($cfg, $storeid);
1719 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
1720 return $plugin->volume_export($scfg, $storeid, $fh, $volname, $format,
1721 $snapshot, $base_snapshot, $with_snapshots);
1725 my ($cfg, $fh, $volid, $format, $base_snapshot, $with_snapshots, $allow_rename) = @_;
1727 my ($storeid, $volname) = parse_volume_id
($volid, 1);
1728 die "cannot import into volume '$volid'\n" if !$storeid;
1729 my $scfg = storage_config
($cfg, $storeid);
1730 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
1731 return $plugin->volume_import($scfg, $storeid, $fh, $volname, $format,
1732 $base_snapshot, $with_snapshots, $allow_rename) // $volid;
1735 sub volume_export_formats
{
1736 my ($cfg, $volid, $snapshot, $base_snapshot, $with_snapshots) = @_;
1738 my ($storeid, $volname) = parse_volume_id
($volid, 1);
1739 return if !$storeid;
1740 my $scfg = storage_config
($cfg, $storeid);
1741 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
1742 return $plugin->volume_export_formats($scfg, $storeid, $volname,
1743 $snapshot, $base_snapshot,
1747 sub volume_import_formats
{
1748 my ($cfg, $volid, $base_snapshot, $with_snapshots) = @_;
1750 my ($storeid, $volname) = parse_volume_id
($volid, 1);
1751 return if !$storeid;
1752 my $scfg = storage_config
($cfg, $storeid);
1753 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
1754 return $plugin->volume_import_formats($scfg, $storeid, $volname,
1755 $base_snapshot, $with_snapshots);
1758 sub volume_transfer_formats
{
1759 my ($cfg, $src_volid, $dst_volid, $snapshot, $base_snapshot, $with_snapshots) = @_;
1760 my @export_formats = volume_export_formats
($cfg, $src_volid, $snapshot, $base_snapshot, $with_snapshots);
1761 my @import_formats = volume_import_formats
($cfg, $dst_volid, $base_snapshot, $with_snapshots);
1762 my %import_hash = map { $_ => 1 } @import_formats;
1763 my @common = grep { $import_hash{$_} } @export_formats;
1767 sub volume_imported_message
{
1768 my ($volid, $want_pattern) = @_;
1770 if ($want_pattern) {
1771 return qr/successfully imported '([^']*)'$/;
1773 return "successfully imported '$volid'\n";
1777 # bash completion helper
1779 sub complete_storage
{
1780 my ($cmdname, $pname, $cvalue) = @_;
1782 my $cfg = PVE
::Storage
::config
();
1784 return $cmdname eq 'add' ?
[] : [ PVE
::Storage
::storage_ids
($cfg) ];
1787 sub complete_storage_enabled
{
1788 my ($cmdname, $pname, $cvalue) = @_;
1792 my $cfg = PVE
::Storage
::config
();
1793 foreach my $sid (keys %{$cfg->{ids
}}) {
1794 next if !storage_check_enabled
($cfg, $sid, undef, 1);
1800 sub complete_content_type
{
1801 my ($cmdname, $pname, $cvalue) = @_;
1803 return [qw(rootdir images vztmpl iso backup snippets)];
1806 sub complete_volume
{
1807 my ($cmdname, $pname, $cvalue) = @_;
1811 my $storage_list = complete_storage_enabled
();
1813 if ($cvalue =~ m/^([^:]+):/) {
1814 $storage_list = [ $1 ];
1816 if (scalar(@$storage_list) > 1) {
1817 # only list storage IDs to avoid large listings
1819 foreach my $storeid (@$storage_list) {
1820 # Hack: simply return 2 artificial values, so that
1821 # completions does not finish
1822 push @$res, "$storeid:volname", "$storeid:...";
1829 foreach my $storeid (@$storage_list) {
1830 my $vollist = PVE
::Storage
::volume_list
($cfg, $storeid);
1832 foreach my $item (@$vollist) {
1833 push @$res, $item->{volid
};
1840 # Various io-heavy operations require io/bandwidth limits which can be
1841 # configured on multiple levels: The global defaults in datacenter.cfg, and
1842 # per-storage overrides. When we want to do a restore from storage A to storage
1843 # B, we should take the smaller limit defined for storages A and B, and if no
1844 # such limit was specified, use the one from datacenter.cfg.
1845 sub get_bandwidth_limit
{
1846 my ($operation, $storage_list, $override) = @_;
1848 # called for each limit (global, per-storage) with the 'default' and the
1849 # $operation limit and should update $override for every limit affecting
1851 my $use_global_limits = 0;
1852 my $apply_limit = sub {
1854 if (defined($bwlimit)) {
1855 my $limits = PVE
::JSONSchema
::parse_property_string
('bwlimit', $bwlimit);
1856 my $limit = $limits->{$operation} // $limits->{default};
1857 if (defined($limit)) {
1858 if (!$override || $limit < $override) {
1864 # If there was no applicable limit, try to apply the global ones.
1865 $use_global_limits = 1;
1868 my ($rpcenv, $authuser);
1869 if (defined($override)) {
1870 $rpcenv = PVE
::RPCEnvironment-
>get();
1871 $authuser = $rpcenv->get_user();
1874 # Apply per-storage limits - if there are storages involved.
1875 if (defined($storage_list) && @$storage_list) {
1876 my $config = config
();
1878 # The Datastore.Allocate permission allows us to modify the per-storage
1879 # limits, therefore it also allows us to override them.
1880 # Since we have most likely multiple storages to check, do a quick check on
1881 # the general '/storage' path to see if we can skip the checks entirely:
1882 return $override if $rpcenv && $rpcenv->check($authuser, '/storage', ['Datastore.Allocate'], 1);
1885 foreach my $storage (@$storage_list) {
1886 next if !defined($storage);
1887 # Avoid duplicate checks:
1888 next if $done{$storage};
1889 $done{$storage} = 1;
1891 # Otherwise we may still have individual /storage/$ID permissions:
1892 if (!$rpcenv || !$rpcenv->check($authuser, "/storage/$storage", ['Datastore.Allocate'], 1)) {
1893 # And if not: apply the limits.
1894 my $storecfg = storage_config
($config, $storage);
1895 $apply_limit->($storecfg->{bwlimit
});
1899 # Storage limits take precedence over the datacenter defaults, so if
1900 # a limit was applied:
1901 return $override if !$use_global_limits;
1904 # Sys.Modify on '/' means we can change datacenter.cfg which contains the
1905 # global default limits.
1906 if (!$rpcenv || !$rpcenv->check($authuser, '/', ['Sys.Modify'], 1)) {
1907 # So if we cannot modify global limits, apply them to our currently
1908 # requested override.
1909 my $dc = cfs_read_file
('datacenter.cfg');
1910 $apply_limit->($dc->{bwlimit
});
1916 # checks if the storage id is available and dies if not
1917 sub assert_sid_unused
{
1921 if (my $scfg = storage_config
($cfg, $sid, 1)) {
1922 die "storage ID '$sid' already defined\n";