]>
git.proxmox.com Git - pve-storage.git/blob - PVE/Storage.pm
12 use PVE
::Tools
qw(run_command file_read_firstline);
13 use PVE
::Cluster
qw(cfs_read_file cfs_lock_file);
14 use PVE
::Exception
qw(raise_param_exc);
17 use PVE
::RPCEnvironment
;
19 use PVE
::Storage
::Plugin
;
20 use PVE
::Storage
::DirPlugin
;
21 use PVE
::Storage
::LVMPlugin
;
22 use PVE
::Storage
::NFSPlugin
;
23 use PVE
::Storage
::ISCSIPlugin
;
24 use PVE
::Storage
::RBDPlugin
;
25 use PVE
::Storage
::SheepdogPlugin
;
26 use PVE
::Storage
::ISCSIDirectPlugin
;
27 use PVE
::Storage
::NexentaPlugin
;
29 # load and initialize all plugins
30 PVE
::Storage
::DirPlugin-
>register();
31 PVE
::Storage
::LVMPlugin-
>register();
32 PVE
::Storage
::NFSPlugin-
>register();
33 PVE
::Storage
::ISCSIPlugin-
>register();
34 PVE
::Storage
::RBDPlugin-
>register();
35 PVE
::Storage
::SheepdogPlugin-
>register();
36 PVE
::Storage
::ISCSIDirectPlugin-
>register();
37 PVE
::Storage
::NexentaPlugin-
>register();
38 PVE
::Storage
::Plugin-
>init();
40 my $UDEVADM = '/sbin/udevadm';
42 # PVE::Storage utility functions
45 return cfs_read_file
("storage.cfg");
48 sub lock_storage_config
{
49 my ($code, $errmsg) = @_;
51 cfs_lock_file
("storage.cfg", undef, $code);
54 $errmsg ?
die "$errmsg: $err" : die $err;
59 my ($cfg, $storeid, $noerr) = @_;
61 die "no storage id specified\n" if !$storeid;
63 my $scfg = $cfg->{ids
}->{$storeid};
65 die "storage '$storeid' does not exists\n" if (!$noerr && !$scfg);
70 sub storage_check_node
{
71 my ($cfg, $storeid, $node, $noerr) = @_;
73 my $scfg = storage_config
($cfg, $storeid);
76 $node = PVE
::INotify
::nodename
() if !$node || ($node eq 'localhost');
77 if (!$scfg->{nodes
}->{$node}) {
78 die "storage '$storeid' is not available on node '$node'\n" if !$noerr;
86 sub storage_check_enabled
{
87 my ($cfg, $storeid, $node, $noerr) = @_;
89 my $scfg = storage_config
($cfg, $storeid);
91 if ($scfg->{disable
}) {
92 die "storage '$storeid' is disabled\n" if !$noerr;
96 return storage_check_node
($cfg, $storeid, $node, $noerr);
102 return keys %{$cfg->{ids
}};
106 my ($filename, $timeout) = @_;
108 return PVE
::Storage
::Plugin
::file_size_info
($filename, $timeout);
111 sub volume_size_info
{
112 my ($cfg, $volid, $timeout) = @_;
114 my ($storeid, $volname) = parse_volume_id
($volid, 1);
116 my $scfg = storage_config
($cfg, $storeid);
117 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
118 return $plugin->volume_size_info($scfg, $storeid, $volname, $timeout);
119 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
120 return file_size_info
($volid, $timeout);
127 my ($cfg, $volid, $size, $running) = @_;
129 my ($storeid, $volname) = parse_volume_id
($volid, 1);
131 my $scfg = storage_config
($cfg, $storeid);
132 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
133 return $plugin->volume_resize($scfg, $storeid, $volname, $size, $running);
134 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
135 die "resize device is not possible";
141 sub volume_snapshot
{
142 my ($cfg, $volid, $snap, $running) = @_;
144 my ($storeid, $volname) = parse_volume_id
($volid, 1);
146 my $scfg = storage_config
($cfg, $storeid);
147 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
148 return $plugin->volume_snapshot($scfg, $storeid, $volname, $snap, $running);
149 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
150 die "snapshot device is not possible";
152 die "can't snapshot";
156 sub volume_snapshot_rollback
{
157 my ($cfg, $volid, $snap) = @_;
159 my ($storeid, $volname) = parse_volume_id
($volid, 1);
161 my $scfg = storage_config
($cfg, $storeid);
162 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
163 return $plugin->volume_snapshot_rollback($scfg, $storeid, $volname, $snap);
164 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
165 die "snapshot rollback device is not possible";
167 die "can't snapshot";
171 sub volume_snapshot_delete
{
172 my ($cfg, $volid, $snap, $running) = @_;
174 my ($storeid, $volname) = parse_volume_id
($volid, 1);
176 my $scfg = storage_config
($cfg, $storeid);
177 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
178 return $plugin->volume_snapshot_delete($scfg, $storeid, $volname, $snap, $running);
179 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
180 die "snapshot delete device is not possible";
182 die "can't delete snapshot";
186 sub volume_has_feature
{
187 my ($cfg, $feature, $volid, $snap, $running) = @_;
189 my ($storeid, $volname) = parse_volume_id
($volid, 1);
191 my $scfg = storage_config
($cfg, $storeid);
192 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
193 return $plugin->volume_has_feature($scfg, $feature, $storeid, $volname, $snap, $running);
194 } elsif ($volid =~ m
|^(/.+)$| && -e
$volid) {
202 my ($cfg, $storeid, $vmid) = @_;
204 my $scfg = storage_config
($cfg, $storeid);
205 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
207 my $path = $plugin->get_subdir($scfg, 'images');
209 return $vmid ?
"$path/$vmid" : $path;
212 sub get_private_dir
{
213 my ($cfg, $storeid, $vmid) = @_;
215 my $scfg = storage_config
($cfg, $storeid);
216 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
218 my $path = $plugin->get_subdir($scfg, 'rootdir');
220 return $vmid ?
"$path/$vmid" : $path;
224 my ($cfg, $storeid) = @_;
226 my $scfg = storage_config
($cfg, $storeid);
227 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
229 return $plugin->get_subdir($scfg, 'iso');
233 my ($cfg, $storeid) = @_;
235 my $scfg = storage_config
($cfg, $storeid);
236 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
238 return $plugin->get_subdir($scfg, 'vztmpl');
242 my ($cfg, $storeid) = @_;
244 my $scfg = storage_config
($cfg, $storeid);
245 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
247 return $plugin->get_subdir($scfg, 'backup');
250 # library implementation
255 die "VMID '$vmid' contains illegal characters\n" if $vmid !~ m/^\d+$/;
260 sub parse_volume_id
{
261 my ($volid, $noerr) = @_;
263 return PVE
::Storage
::Plugin
::parse_volume_id
($volid, $noerr);
267 my ($cfg, $volid) = @_;
269 my ($sid, $volname) = parse_volume_id
($volid, 1);
272 if (my $scfg = $cfg->{ids
}->{$sid}) {
273 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
274 my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) =
275 $plugin->parse_volname($volname);
276 return $isBase ?
1 : 0;
278 # stale volid with undefined storage - so we can just guess
279 if ($volid =~ m/base-/) {
287 # try to map a filesystem path to a volume identifier
288 sub path_to_volume_id
{
289 my ($cfg, $path) = @_;
291 my $ids = $cfg->{ids
};
293 my ($sid, $volname) = parse_volume_id
($path, 1);
295 if (my $scfg = $ids->{$sid}) {
297 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
298 my ($vtype, $name, $vmid) = $plugin->parse_volname($volname);
299 return ($vtype, $path);
305 # Note: abs_path() return undef if $path doesn not exist
306 # for example when nfs storage is not mounted
307 $path = abs_path
($path) || $path;
309 foreach my $sid (keys %$ids) {
310 my $scfg = $ids->{$sid};
311 next if !$scfg->{path
};
312 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
313 my $imagedir = $plugin->get_subdir($scfg, 'images');
314 my $isodir = $plugin->get_subdir($scfg, 'iso');
315 my $tmpldir = $plugin->get_subdir($scfg, 'vztmpl');
316 my $backupdir = $plugin->get_subdir($scfg, 'backup');
317 my $privatedir = $plugin->get_subdir($scfg, 'rootdir');
319 if ($path =~ m!^$imagedir/(\d+)/([^/\s]+)$!) {
323 my $vollist = $plugin->list_images($sid, $scfg, $vmid);
324 foreach my $info (@$vollist) {
325 my ($storeid, $volname) = parse_volume_id
($info->{volid
});
326 my $volpath = $plugin->path($scfg, $volname, $storeid);
327 if ($volpath eq $path) {
328 return ('images', $info->{volid
});
331 } elsif ($path =~ m!^$isodir/([^/]+\.[Ii][Ss][Oo])$!) {
333 return ('iso', "$sid:iso/$name");
334 } elsif ($path =~ m!^$tmpldir/([^/]+\.tar\.gz)$!) {
336 return ('vztmpl', "$sid:vztmpl/$name");
337 } elsif ($path =~ m!^$privatedir/(\d+)$!) {
339 return ('rootdir', "$sid:rootdir/$vmid");
340 } elsif ($path =~ m!^$backupdir/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo))$!) {
342 return ('iso', "$sid:backup/$name");
346 # can't map path to volume id
351 my ($cfg, $volid) = @_;
353 my ($storeid, $volname) = parse_volume_id
($volid);
355 my $scfg = storage_config
($cfg, $storeid);
357 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
358 my ($path, $owner, $vtype) = $plugin->path($scfg, $volname, $storeid);
359 return wantarray ?
($path, $owner, $vtype) : $path;
362 sub storage_migrate
{
363 my ($cfg, $volid, $target_host, $target_storeid, $target_volname) = @_;
365 my ($storeid, $volname) = parse_volume_id
($volid);
366 $target_volname = $volname if !$target_volname;
368 my $scfg = storage_config
($cfg, $storeid);
370 # no need to migrate shared content
371 return if $storeid eq $target_storeid && $scfg->{shared
};
373 my $tcfg = storage_config
($cfg, $target_storeid);
375 my $target_volid = "${target_storeid}:${target_volname}";
377 my $errstr = "unable to migrate '$volid' to '${target_volid}' on host '$target_host'";
379 my $sshoptions = "-o 'BatchMode=yes'";
380 my $ssh = "/usr/bin/ssh $sshoptions";
382 local $ENV{RSYNC_RSH
} = $ssh;
384 # only implemented for file system based storage
388 my $src_plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
389 my $dst_plugin = PVE
::Storage
::Plugin-
>lookup($tcfg->{type
});
390 my $src = $src_plugin->path($scfg, $volname, $storeid);
391 my $dst = $dst_plugin->path($tcfg, $target_volname, $target_storeid);
393 my $dirname = dirname
($dst);
395 if ($tcfg->{shared
}) { # we can do a local copy
397 run_command
(['/bin/mkdir', '-p', $dirname]);
399 run_command
(['/bin/cp', $src, $dst]);
403 run_command
(['/usr/bin/ssh', "root\@${target_host}",
404 '/bin/mkdir', '-p', $dirname]);
406 # we use rsync with --sparse, so we can't use --inplace,
407 # so we remove file on the target if it already exists to
409 my ($size, $format) = PVE
::Storage
::Plugin
::file_size_info
($src);
410 if ($format && ($format eq 'raw') && $size) {
411 run_command
(['/usr/bin/ssh', "root\@${target_host}",
416 my $cmd = ['/usr/bin/rsync', '--progress', '--sparse', '--whole-file',
417 $src, "root\@${target_host}:$dst"];
421 run_command
($cmd, outfunc
=> sub {
424 if ($line =~ m/^\s*(\d+\s+(\d+)%\s.*)$/) {
427 print "rsync status: $1\n";
437 die "$errstr - target type '$tcfg->{type}' not implemented\n";
440 die "$errstr - source type '$scfg->{type}' not implemented\n";
445 my ($cfg, $volid, $vmid) = @_;
447 my ($storeid, $volname) = parse_volume_id
($volid);
449 my $scfg = storage_config
($cfg, $storeid);
451 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
453 activate_storage
($cfg, $storeid);
455 # lock shared storage
456 return $plugin->cluster_lock_storage($storeid, $scfg->{shared
}, undef, sub {
457 my $volname = $plugin->clone_image($scfg, $storeid, $volname, $vmid);
458 return "$storeid:$volname";
462 sub vdisk_create_base
{
463 my ($cfg, $volid) = @_;
465 my ($storeid, $volname) = parse_volume_id
($volid);
467 my $scfg = storage_config
($cfg, $storeid);
469 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
471 activate_storage
($cfg, $storeid);
473 # lock shared storage
474 return $plugin->cluster_lock_storage($storeid, $scfg->{shared
}, undef, sub {
475 my $volname = $plugin->create_base($storeid, $scfg, $volname);
476 return "$storeid:$volname";
481 my ($cfg, $storeid, $vmid, $fmt, $name, $size) = @_;
483 die "no storage id specified\n" if !$storeid;
485 PVE
::JSONSchema
::parse_storage_id
($storeid);
487 my $scfg = storage_config
($cfg, $storeid);
489 die "no VMID specified\n" if !$vmid;
491 $vmid = parse_vmid
($vmid);
493 my $defformat = PVE
::Storage
::Plugin
::default_format
($scfg);
495 $fmt = $defformat if !$fmt;
497 activate_storage
($cfg, $storeid);
499 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
501 # lock shared storage
502 return $plugin->cluster_lock_storage($storeid, $scfg->{shared
}, undef, sub {
503 my $volname = $plugin->alloc_image($storeid, $scfg, $vmid, $fmt, $name, $size);
504 return "$storeid:$volname";
509 my ($cfg, $volid) = @_;
511 my ($storeid, $volname) = parse_volume_id
($volid);
513 my $scfg = storage_config
($cfg, $storeid);
515 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
517 activate_storage
($cfg, $storeid);
521 # lock shared storage
522 $plugin->cluster_lock_storage($storeid, $scfg->{shared
}, undef, sub {
524 my ($vtype, $name, $vmid, undef, undef, $isBase) =
525 $plugin->parse_volname($volname);
527 my $vollist = $plugin->list_images($storeid, $scfg);
528 foreach my $info (@$vollist) {
529 my (undef, $tmpvolname) = parse_volume_id
($info->{volid
});
530 my $basename = undef;
531 my $basevmid = undef;
534 (undef, undef, undef, $basename, $basevmid) =
535 $plugin->parse_volname($tmpvolname);
538 if ($basename && defined($basevmid) && $basevmid == $vmid && $basename eq $name) {
539 die "base volume '$volname' is still in use " .
540 "(use by '$tmpvolname')\n";
544 my $cleanup_worker = $plugin->free_image($storeid, $scfg, $volname, $isBase);
547 return if !$cleanup_worker;
549 my $rpcenv = PVE
::RPCEnvironment
::get
();
550 my $authuser = $rpcenv->get_user();
552 $rpcenv->fork_worker('imgdel', undef, $authuser, $cleanup_worker);
555 #list iso or openvz template ($tt = <iso|vztmpl|backup>)
557 my ($cfg, $storeid, $tt) = @_;
559 die "unknown template type '$tt'\n"
560 if !($tt eq 'iso' || $tt eq 'vztmpl' || $tt eq 'backup');
562 my $ids = $cfg->{ids
};
564 storage_check_enabled
($cfg, $storeid) if ($storeid);
570 foreach my $sid (keys %$ids) {
571 next if $storeid && $storeid ne $sid;
573 my $scfg = $ids->{$sid};
574 my $type = $scfg->{type
};
576 next if !storage_check_enabled
($cfg, $sid, undef, 1);
578 next if $tt eq 'iso' && !$scfg->{content
}->{iso
};
579 next if $tt eq 'vztmpl' && !$scfg->{content
}->{vztmpl
};
580 next if $tt eq 'backup' && !$scfg->{content
}->{backup
};
582 activate_storage
($cfg, $sid);
585 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
587 my $path = $plugin->get_subdir($scfg, $tt);
589 foreach my $fn (<$path/*>) {
594 next if $fn !~ m!/([^/]+\.[Ii][Ss][Oo])$!;
596 $info = { volid
=> "$sid:iso/$1", format
=> 'iso' };
598 } elsif ($tt eq 'vztmpl') {
599 next if $fn !~ m!/([^/]+\.tar\.gz)$!;
601 $info = { volid
=> "$sid:vztmpl/$1", format
=> 'tgz' };
603 } elsif ($tt eq 'backup') {
604 next if $fn !~ m!/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo))$!;
606 $info = { volid
=> "$sid:backup/$1", format
=> $2 };
609 $info->{size
} = -s
$fn;
611 push @{$res->{$sid}}, $info;
616 @{$res->{$sid}} = sort {lc($a->{volid
}) cmp lc ($b->{volid
}) } @{$res->{$sid}} if $res->{$sid};
624 my ($cfg, $storeid, $vmid, $vollist) = @_;
626 my $ids = $cfg->{ids
};
628 storage_check_enabled
($cfg, $storeid) if ($storeid);
632 # prepare/activate/refresh all storages
634 my $storage_list = [];
636 foreach my $volid (@$vollist) {
637 my ($sid, undef) = parse_volume_id
($volid);
638 next if !defined($ids->{$sid});
639 next if !storage_check_enabled
($cfg, $sid, undef, 1);
640 push @$storage_list, $sid;
643 foreach my $sid (keys %$ids) {
644 next if $storeid && $storeid ne $sid;
645 next if !storage_check_enabled
($cfg, $sid, undef, 1);
646 push @$storage_list, $sid;
652 activate_storage_list
($cfg, $storage_list, $cache);
654 foreach my $sid (keys %$ids) {
655 next if $storeid && $storeid ne $sid;
656 next if !storage_check_enabled
($cfg, $sid, undef, 1);
658 my $scfg = $ids->{$sid};
659 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
660 $res->{$sid} = $plugin->list_images($sid, $scfg, $vmid, $vollist, $cache);
661 @{$res->{$sid}} = sort {lc($a->{volid
}) cmp lc ($b->{volid
}) } @{$res->{$sid}} if $res->{$sid};
669 my $filename = "/sys/kernel/uevent_seqnum";
672 if (my $fh = IO
::File-
>new($filename, "r")) {
674 if ($line =~ m/^(\d+)$/) {
682 sub activate_storage
{
683 my ($cfg, $storeid, $cache) = @_;
685 $cache = {} if !$cache;
687 my $scfg = storage_check_enabled
($cfg, $storeid);
689 return if $cache->{activated
}->{$storeid};
691 $cache->{uevent_seqnum
} = uevent_seqnum
() if !$cache->{uevent_seqnum
};
693 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
696 my ($baseid, undef) = parse_volume_id
($scfg->{base
});
697 activate_storage
($cfg, $baseid, $cache);
700 if (!$plugin->check_connection($storeid, $scfg)) {
701 die "storage '$storeid' is not online\n";
704 $plugin->activate_storage($storeid, $scfg, $cache);
706 my $newseq = uevent_seqnum
();
708 # only call udevsettle if there are events
709 if ($newseq > $cache->{uevent_seqnum
}) {
711 system ("$UDEVADM settle --timeout=$timeout"); # ignore errors
712 $cache->{uevent_seqnum
} = $newseq;
715 $cache->{activated
}->{$storeid} = 1;
718 sub activate_storage_list
{
719 my ($cfg, $storeid_list, $cache) = @_;
721 $cache = {} if !$cache;
723 foreach my $storeid (@$storeid_list) {
724 activate_storage
($cfg, $storeid, $cache);
728 sub deactivate_storage
{
729 my ($cfg, $storeid) = @_;
731 my $scfg = storage_config
($cfg, $storeid);
732 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
735 $plugin->deactivate_storage($storeid, $scfg, $cache);
738 sub activate_volumes
{
739 my ($cfg, $vollist, $exclusive) = @_;
741 return if !($vollist && scalar(@$vollist));
743 my $storagehash = {};
744 foreach my $volid (@$vollist) {
745 my ($storeid, undef) = parse_volume_id
($volid);
746 $storagehash->{$storeid} = 1;
751 activate_storage_list
($cfg, [keys %$storagehash], $cache);
753 foreach my $volid (@$vollist) {
754 my ($storeid, $volname) = parse_volume_id
($volid);
755 my $scfg = storage_config
($cfg, $storeid);
756 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
757 $plugin->activate_volume($storeid, $scfg, $volname, $exclusive, $cache);
761 sub deactivate_volumes
{
762 my ($cfg, $vollist) = @_;
764 return if !($vollist && scalar(@$vollist));
769 foreach my $volid (@$vollist) {
770 my ($storeid, $volname) = parse_volume_id
($volid);
772 my $scfg = storage_config
($cfg, $storeid);
773 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
776 $plugin->deactivate_volume($storeid, $scfg, $volname, $cache);
780 push @errlist, $volid;
784 die "volume deativation failed: " . join(' ', @errlist)
789 my ($cfg, $content) = @_;
791 my $ids = $cfg->{ids
};
796 foreach my $storeid (keys %$ids) {
798 next if $content && !$ids->{$storeid}->{content
}->{$content};
800 next if !storage_check_enabled
($cfg, $storeid, undef, 1);
802 my $type = $ids->{$storeid}->{type
};
804 $info->{$storeid} = {
809 shared
=> $ids->{$storeid}->{shared
} ?
1 : 0,
810 content
=> PVE
::Storage
::Plugin
::content_hash_to_string
($ids->{$storeid}->{content
}),
814 push @$slist, $storeid;
819 foreach my $storeid (keys %$ids) {
820 my $scfg = $ids->{$storeid};
821 next if !$info->{$storeid};
823 eval { activate_storage
($cfg, $storeid, $cache); };
829 my $plugin = PVE
::Storage
::Plugin-
>lookup($scfg->{type
});
830 my ($total, $avail, $used, $active);
831 eval { ($total, $avail, $used, $active) = $plugin->status($storeid, $scfg, $cache); };
834 $info->{$storeid}->{total
} = $total;
835 $info->{$storeid}->{avail
} = $avail;
836 $info->{$storeid}->{used
} = $used;
837 $info->{$storeid}->{active
} = $active;
846 my $packed_ip = gethostbyname($server);
847 if (defined $packed_ip) {
848 return inet_ntoa
($packed_ip);
854 my ($server_in) = @_;
857 if (!($server = resolv_server
($server_in))) {
858 die "unable to resolve address for server '${server_in}'\n";
861 my $cmd = ['/sbin/showmount', '--no-headers', '--exports', $server];
864 run_command
($cmd, outfunc
=> sub {
867 # note: howto handle white spaces in export path??
868 if ($line =~ m!^(/\S+)\s+(.+)$!) {
877 my ($portal, $noerr) = @_;
879 if ($portal =~ m/^([^:]+)(:(\d+))?$/) {
883 if (my $ip = resolv_server
($server)) {
885 return $port ?
"$server:$port" : $server;
888 return undef if $noerr;
890 raise_param_exc
({ portal
=> "unable to resolve portal address '$portal'" });
893 # idea is from usbutils package (/usr/bin/usb-devices) script
894 sub __scan_usb_device
{
895 my ($res, $devpath, $parent, $level) = @_;
897 return if ! -d
$devpath;
898 return if $level && $devpath !~ m/^.*[-.](\d+)$/;
899 my $port = $level ?
int($1 - 1) : 0;
901 my $busnum = int(file_read_firstline
("$devpath/busnum"));
902 my $devnum = int(file_read_firstline
("$devpath/devnum"));
909 speed
=> file_read_firstline
("$devpath/speed"),
910 class => hex(file_read_firstline
("$devpath/bDeviceClass")),
911 vendid
=> file_read_firstline
("$devpath/idVendor"),
912 prodid
=> file_read_firstline
("$devpath/idProduct"),
916 my $usbpath = $devpath;
917 $usbpath =~ s
|^.*/\d
+\
-||;
918 $d->{usbpath
} = $usbpath;
921 my $product = file_read_firstline
("$devpath/product");
922 $d->{product
} = $product if $product;
924 my $manu = file_read_firstline
("$devpath/manufacturer");
925 $d->{manufacturer
} = $manu if $manu;
927 my $serial => file_read_firstline
("$devpath/serial");
928 $d->{serial
} = $serial if $serial;
932 foreach my $subdev (<$devpath/$busnum-*>) {
933 next if $subdev !~ m
|/$busnum-[0-9]+(\
.[0-9]+)*$|;
934 __scan_usb_device
($res, $subdev, $devnum, $level + 1);
943 foreach my $device (</sys/bus
/usb
/devices
/usb
*>) {
944 __scan_usb_device
($devlist, $device, 0, 0);
951 my ($portal_in) = @_;
954 if (!($portal = resolv_portal
($portal_in))) {
955 die "unable to parse/resolve portal address '${portal_in}'\n";
958 return PVE
::Storage
::ISCSIPlugin
::iscsi_discovery
($portal);
961 sub storage_default_format
{
962 my ($cfg, $storeid) = @_;
964 my $scfg = storage_config
($cfg, $storeid);
966 return PVE
::Storage
::Plugin
::default_format
($scfg);
970 my ($cfg, $vgname) = @_;
972 foreach my $storeid (keys %{$cfg->{ids
}}) {
973 my $scfg = storage_config
($cfg, $storeid);
974 if ($scfg->{type
} eq 'lvm' && $scfg->{vgname
} eq $vgname) {
983 my ($cfg, $target) = @_;
985 foreach my $storeid (keys %{$cfg->{ids
}}) {
986 my $scfg = storage_config
($cfg, $storeid);
987 if ($scfg->{type
} eq 'iscsi' && $scfg->{target
} eq $target) {
996 my ($cfg, $volid) = @_;
998 foreach my $storeid (keys %{$cfg->{ids
}}) {
999 my $scfg = storage_config
($cfg, $storeid);
1000 if ($scfg->{base
} && $scfg->{base
} eq $volid) {
1008 sub storage_is_used
{
1009 my ($cfg, $storeid) = @_;
1011 foreach my $sid (keys %{$cfg->{ids
}}) {
1012 my $scfg = storage_config
($cfg, $sid);
1013 next if !$scfg->{base
};
1014 my ($st) = parse_volume_id
($scfg->{base
});
1015 return 1 if $st && $st eq $storeid;
1022 my ($list, $func) = @_;
1026 foreach my $sid (keys %$list) {
1027 foreach my $info (@{$list->{$sid}}) {
1028 my $volid = $info->{volid
};
1029 my ($sid1, $volname) = parse_volume_id
($volid, 1);
1030 if ($sid1 && $sid1 eq $sid) {
1031 &$func ($volid, $sid, $info);
1033 warn "detected strange volid '$volid' in volume list for '$sid'\n";