]>
git.proxmox.com Git - pve-storage.git/blob - PVE/Storage.pm
14 use Getopt
::Long
qw(GetOptionsFromArray);
19 use PVE
::Tools
qw(run_command file_read_firstline trim);
20 use PVE
::Cluster
qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file);
21 use PVE
::Exception
qw(raise_param_exc);
24 use PVE
::RPCEnvironment
;
26 my $ISCSIADM = '/usr/bin/iscsiadm';
27 my $UDEVADM = '/sbin/udevadm';
29 $ISCSIADM = undef if ! -X
$ISCSIADM;
31 # fixme: always_call_parser => 1 ??
32 cfs_register_file
('storage.cfg',
36 # generic utility function
39 return cfs_read_file
("storage.cfg");
42 sub check_iscsi_support
{
46 my $msg = "no iscsi support - please install open-iscsi";
48 warn "warning: $msg\n";
58 sub load_stable_scsi_paths
{
60 my $stable_paths = {};
62 my $stabledir = "/dev/disk/by-id";
64 if (my $dh = IO
::Dir-
>new($stabledir)) {
65 while (defined(my $tmp = $dh->read)) {
66 # exclude filenames with part in name (same disk but partitions)
67 # use only filenames with scsi(with multipath i have the same device
68 # with dm-uuid-mpath , dm-name and scsi in name)
69 if($tmp !~ m/-part\d+$/ && $tmp =~ m/^scsi-/) {
70 my $path = "$stabledir/$tmp";
71 my $bdevdest = readlink($path);
72 if ($bdevdest && $bdevdest =~ m
|^../../([^/]+)|) {
73 $stable_paths->{$1}=$tmp;
83 my ($dir, $regex) = @_;
85 my $dh = IO
::Dir-
>new ($dir);
86 return wantarray ?
() : undef if !$dh;
88 while (defined(my $tmp = $dh->read)) {
89 if (my @res = $tmp =~ m/^($regex)$/) {
91 return wantarray ?
@res : $tmp;
96 return wantarray ?
() : undef;
99 sub dir_glob_foreach
{
100 my ($dir, $regex, $func) = @_;
102 my $dh = IO
::Dir-
>new ($dir);
104 while (defined(my $tmp = $dh->read)) {
105 if (my @res = $tmp =~ m/^($regex)$/) {
112 sub read_proc_mounts
{
114 local $/; # enable slurp mode
117 if (my $fd = IO
::File-
>new ("/proc/mounts", "r")) {
125 # PVE::Storage utility functions
127 sub lock_storage_config
{
128 my ($code, $errmsg) = @_;
130 cfs_lock_file
("storage.cfg", undef, $code);
133 $errmsg ?
die "$errmsg: $err" : die $err;
141 saferemove
=> 'bool',
143 content
=> 'content',
151 options
=> 'options',
154 my $required_config = {
156 nfs
=> ['path', 'server', 'export'],
158 iscsi
=> ['portal', 'target'],
163 nfs
=> ['path', 'server', 'export'],
164 lvm
=> ['vgname', 'base'],
165 iscsi
=> ['portal', 'target'],
168 my $default_config = {
174 content
=> [ { images
=> 1, rootdir
=> 1, vztmpl
=> 1, iso
=> 1, backup
=> 1, none
=> 1 },
175 { images
=> 1, rootdir
=> 1 }],
176 format
=> [ { raw
=> 1, qcow2
=> 1, vmdk
=> 1 } , 'raw' ],
186 content
=> [ { images
=> 1, rootdir
=> 1, vztmpl
=> 1, iso
=> 1, backup
=> 1},
188 format
=> [ { raw
=> 1, qcow2
=> 1, vmdk
=> 1 } , 'raw' ],
197 content
=> [ {images
=> 1}, { images
=> 1 }],
206 content
=> [ {images
=> 1, none
=> 1}, { images
=> 1 }],
210 sub valid_content_types
{
213 my $def = $default_config->{$stype};
217 return $def->{content
}->[0];
220 sub content_hash_to_string
{
224 foreach my $ct (keys %$hash) {
225 push @cta, $ct if $hash->{$ct};
228 return join(',', @cta);
231 PVE
::JSONSchema
::register_format
('pve-storage-path', \
&verify_path
);
233 my ($path, $noerr) = @_;
235 # fixme: exclude more shell meta characters?
236 # we need absolute paths
237 if ($path !~ m
|^/[^;\
(\
)]+|) {
238 return undef if $noerr;
239 die "value does not look like a valid absolute path\n";
244 PVE
::JSONSchema
::register_format
('pve-storage-server', \
&verify_server
);
246 my ($server, $noerr) = @_;
248 # fixme: use better regex ?
250 if ($server !~ m/^[[:alnum:]\-\.]+$/) {
251 return undef if $noerr;
252 die "value does not look like a valid server name or IP address\n";
257 PVE
::JSONSchema
::register_format
('pve-storage-portal', \
&verify_portal
);
259 my ($portal, $noerr) = @_;
261 # IP with optional port
262 if ($portal !~ m/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(:\d+)?$/) {
263 return undef if $noerr;
264 die "value does not look like a valid portal address\n";
269 PVE
::JSONSchema
::register_format
('pve-storage-portal-dns', \
&verify_portal_dns
);
270 sub verify_portal_dns
{
271 my ($portal, $noerr) = @_;
273 # IP or DNS name with optional port
274 if ($portal !~ m/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|[[:alnum:]\-\.]+)(:\d+)?$/) {
275 return undef if $noerr;
276 die "value does not look like a valid portal address\n";
281 PVE
::JSONSchema
::register_format
('pve-storage-content', \
&verify_content
);
283 my ($ct, $noerr) = @_;
285 my $valid_content = valid_content_types
('dir'); # dir includes all types
287 if (!$valid_content->{$ct}) {
288 return undef if $noerr;
289 die "invalid content type '$ct'\n";
295 PVE
::JSONSchema
::register_format
('pve-storage-format', \
&verify_format
);
297 my ($fmt, $noerr) = @_;
299 if ($fmt !~ m/(raw|qcow2|vmdk)/) {
300 return undef if $noerr;
301 die "invalid format '$fmt'\n";
307 PVE
::JSONSchema
::register_format
('pve-storage-options', \
&verify_options
);
309 my ($value, $noerr) = @_;
311 # mount options (see man fstab)
312 if ($value !~ m/^\S+$/) {
313 return undef if $noerr;
314 die "invalid options '$value'\n";
321 my ($stype, $ct, $key, $value, $storeid, $noerr) = @_;
323 my $def = $default_config->{$stype};
325 if (!$def) { # should not happen
326 return undef if $noerr;
327 die "unknown storage type '$stype'\n";
330 if (!defined($def->{$key})) {
331 return undef if $noerr;
332 die "unexpected property\n";
335 if (!defined ($value)) {
336 return undef if $noerr;
337 die "got undefined value\n";
340 if ($value =~ m/[\n\r]/) {
341 return undef if $noerr;
342 die "property contains a line feed\n";
346 return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i);
347 return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i);
348 return undef if $noerr;
349 die "type check ('boolean') failed - got '$value'\n";
350 } elsif ($ct eq 'options') {
351 return verify_options
($value, $noerr);
352 } elsif ($ct eq 'path') {
353 return verify_path
($value, $noerr);
354 } elsif ($ct eq 'server') {
355 return verify_server
($value, $noerr);
356 } elsif ($ct eq 'vgname') {
357 return parse_lvm_name
($value, $noerr);
358 } elsif ($ct eq 'portal') {
359 return verify_portal
($value, $noerr);
360 } elsif ($ct eq 'nodes') {
363 foreach my $node (PVE
::Tools
::split_list
($value)) {
364 if (PVE
::JSONSchema
::pve_verify_node_name
($node, $noerr)) {
369 # no node restrictions for local storage
370 if ($storeid && $storeid eq 'local' && scalar(keys(%$res))) {
371 return undef if $noerr;
372 die "storage '$storeid' does not allow node restrictions\n";
376 } elsif ($ct eq 'target') {
378 } elsif ($ct eq 'string') {
380 } elsif ($ct eq 'format') {
381 my $valid_formats = $def->{format
}->[0];
383 if (!$valid_formats->{$value}) {
384 return undef if $noerr;
385 die "storage does not support format '$value'\n";
390 } elsif ($ct eq 'content') {
391 my $valid_content = $def->{content
}->[0];
395 foreach my $c (PVE
::Tools
::split_list
($value)) {
396 if (!$valid_content->{$c}) {
397 return undef if $noerr;
398 die "storage does not support content type '$c'\n";
403 if ($res->{none
} && scalar (keys %$res) > 1) {
404 return undef if $noerr;
405 die "unable to combine 'none' with other content types\n";
409 } elsif ($ct eq 'volume') {
410 return $value if parse_volume_id
($value, $noerr);
413 return undef if $noerr;
414 die "type check not implemented - internal error\n";
418 my ($filename, $raw) = @_;
422 my $digest = Digest
::SHA
::sha1_hex
(defined($raw) ?
$raw : '');
426 while ($raw && $raw =~ s/^(.*?)(\n|$)//) {
429 next if $line =~ m/^\#/;
430 next if $line =~ m/^\s*$/;
432 if ($line =~ m/^(\S+):\s*(\S+)\s*$/) {
437 if (!PVE
::JSONSchema
::parse_storage_id
($storeid, 1)) {
439 warn "ignoring storage '$storeid' - (illegal characters)\n";
440 } elsif (!$default_config->{$type}) {
442 warn "ignoring storage '$storeid' (unsupported type '$type')\n";
444 $ids->{$storeid}->{type
} = $type;
445 $ids->{$storeid}->{priority
} = $pri++;
448 while ($raw && $raw =~ s/^(.*?)(\n|$)//) {
451 next if $line =~ m/^\#/;
452 last if $line =~ m/^\s*$/;
454 next if $ignore; # skip
456 if ($line =~ m/^\s+(\S+)(\s+(.*\S))?\s*$/) {
457 my ($k, $v) = ($1, $3);
458 if (my $ct = $confvars->{$k}) {
459 $v = 1 if $ct eq 'bool' && !defined($v);
461 $ids->{$storeid}->{$k} = check_type
($type, $ct, $k, $v, $storeid);
463 warn "storage '$storeid' - unable to parse value of '$k': $@" if $@;
465 warn "storage '$storeid' - unable to parse value of '$k'\n";
469 warn "storage '$storeid' - ignore config line: $line\n";
473 warn "ignore config line: $line\n";
477 # make sure we have a reasonable 'local:' storage
478 # openvz expects things to be there
479 if (!$ids->{local} || $ids->{local}->{type
} ne 'dir' ||
480 $ids->{local}->{path
} ne '/var/lib/vz') {
484 path
=> '/var/lib/vz',
485 content
=> { images
=> 1, rootdir
=> 1, vztmpl
=> 1, iso
=> 1},
489 # we always need this for OpenVZ
490 $ids->{local}->{content
}->{rootdir
} = 1;
491 $ids->{local}->{content
}->{vztmpl
} = 1;
492 delete ($ids->{local}->{disable
});
494 # remove node restrictions for local storage
495 delete($ids->{local}->{nodes
});
497 foreach my $storeid (keys %$ids) {
498 my $d = $ids->{$storeid};
500 my $req_keys = $required_config->{$d->{type
}};
501 foreach my $k (@$req_keys) {
502 if (!defined ($d->{$k})) {
503 warn "ignoring storage '$storeid' - missing value " .
504 "for required option '$k'\n";
505 delete $ids->{$storeid};
510 my $def = $default_config->{$d->{type
}};
512 if ($def->{content
}) {
513 $d->{content
} = $def->{content
}->[1] if !$d->{content
};
516 if ($d->{type
} eq 'iscsi' || $d->{type
} eq 'nfs') {
521 my $cfg = { ids
=> $ids, digest
=> $digest};
527 my ($storeid, $stype, $param, $create) = @_;
529 my $settings = { type
=> $stype };
531 die "unknown storage type '$stype'\n"
532 if !$default_config->{$stype};
534 foreach my $opt (keys %$param) {
535 my $value = $param->{$opt};
537 my $ct = $confvars->{$opt};
538 if (defined($value)) {
540 $settings->{$opt} = check_type
($stype, $ct, $opt, $value, $storeid);
542 raise_param_exc
({ $opt => $@ }) if $@;
544 raise_param_exc
({ $opt => "got undefined value" });
549 my $req_keys = $required_config->{$stype};
550 foreach my $k (@$req_keys) {
552 if ($stype eq 'nfs' && !$settings->{path
}) {
553 $settings->{path
} = "/mnt/pve/$storeid";
556 # check if we have a value for all required options
557 if (!defined ($settings->{$k})) {
558 raise_param_exc
({ $k => "property is missing and it is not optional" });
562 my $fixed_keys = $fixed_config->{$stype};
563 foreach my $k (@$fixed_keys) {
565 # only allow to change non-fixed values
567 if (defined ($settings->{$k})) {
568 raise_param_exc
({$k => "can't change value (fixed parameter)"});
576 sub cluster_lock_storage
{
577 my ($storeid, $shared, $timeout, $func, @param) = @_;
581 my $lockid = "pve-storage-$storeid";
582 my $lockdir = "/var/lock/pve-manager";
584 $res = PVE
::Tools
::lock_file
("$lockdir/$lockid", $timeout, $func, @param);
587 $res = PVE
::Cluster
::cfs_lock_storage
($storeid, $timeout, $func, @param);
594 my ($cfg, $storeid, $noerr) = @_;
596 die "no storage id specified\n" if !$storeid;
598 my $scfg = $cfg->{ids
}->{$storeid};
600 die "storage '$storeid' does not exists\n" if (!$noerr && !$scfg);
605 sub storage_check_node
{
606 my ($cfg, $storeid, $node, $noerr) = @_;
608 my $scfg = storage_config
($cfg, $storeid);
610 if ($scfg->{nodes
}) {
611 $node = PVE
::INotify
::nodename
() if !$node || ($node eq 'localhost');
612 if (!$scfg->{nodes
}->{$node}) {
613 die "storage '$storeid' is not available on node '$node'" if !$noerr;
621 sub storage_check_enabled
{
622 my ($cfg, $storeid, $node, $noerr) = @_;
624 my $scfg = storage_config
($cfg, $storeid);
626 if ($scfg->{disable
}) {
627 die "storage '$storeid' is disabled\n" if !$noerr;
631 return storage_check_node
($cfg, $storeid, $node, $noerr);
637 my $ids = $cfg->{ids
};
639 my @sa = sort {$ids->{$a}->{priority
} <=> $ids->{$b}->{priority
}} keys %$ids;
644 sub assert_if_modified
{
645 my ($cfg, $digest) = @_;
647 if ($digest && ($cfg->{digest
} ne $digest)) {
648 die "detected modified storage configuration - try again\n";
652 sub sprint_config_line
{
655 my $ct = $confvars->{$k};
658 return $v ?
"\t$k\n" : '';
659 } elsif ($ct eq 'nodes') {
660 my $nlist = join(',', keys(%$v));
661 return $nlist ?
"\tnodes $nlist\n" : '';
662 } elsif ($ct eq 'content') {
663 my $clist = content_hash_to_string
($v);
665 return "\t$k $clist\n";
667 return "\t$k none\n";
675 my ($filename, $cfg) = @_;
679 my $ids = $cfg->{ids
};
682 foreach my $storeid (keys %$ids) {
683 my $pri = $ids->{$storeid}->{priority
};
684 $maxpri = $pri if $pri && $pri > $maxpri;
686 foreach my $storeid (keys %$ids) {
687 if (!defined ($ids->{$storeid}->{priority
})) {
688 $ids->{$storeid}->{priority
} = ++$maxpri;
692 foreach my $storeid (sort {$ids->{$a}->{priority
} <=> $ids->{$b}->{priority
}} keys %$ids) {
693 my $scfg = $ids->{$storeid};
694 my $type = $scfg->{type
};
695 my $def = $default_config->{$type};
697 die "unknown storage type '$type'\n" if !$def;
699 my $data = "$type: $storeid\n";
701 $data .= "\tdisable\n" if $scfg->{disable
};
703 my $done_hash = { disable
=> 1};
704 foreach my $k (@{$required_config->{$type}}) {
705 $done_hash->{$k} = 1;
706 my $v = $ids->{$storeid}->{$k};
707 die "storage '$storeid' - missing value for required option '$k'\n"
709 $data .= sprint_config_line
($k, $v);
712 foreach my $k (keys %$def) {
713 next if defined ($done_hash->{$k});
714 if (defined (my $v = $ids->{$storeid}->{$k})) {
715 $data .= sprint_config_line
($k, $v);
726 my ($cfg, $storeid, $vmid) = @_;
728 my $path = $cfg->{ids
}->{$storeid}->{path
};
729 return $vmid ?
"$path/images/$vmid" : "$path/images";
732 sub get_private_dir
{
733 my ($cfg, $storeid, $vmid) = @_;
735 my $path = $cfg->{ids
}->{$storeid}->{path
};
736 return $vmid ?
"$path/private/$vmid" : "$path/private";
740 my ($cfg, $storeid) = @_;
742 my $isodir = $cfg->{ids
}->{$storeid}->{path
};
743 $isodir .= '/template/iso';
749 my ($cfg, $storeid) = @_;
751 my $tmpldir = $cfg->{ids
}->{$storeid}->{path
};
752 $tmpldir .= '/template/cache';
758 my ($cfg, $storeid) = @_;
760 my $dir = $cfg->{ids
}->{$storeid}->{path
};
766 # iscsi utility functions
768 sub iscsi_session_list
{
770 check_iscsi_support
();
772 my $cmd = [$ISCSIADM, '--mode', 'session'];
776 run_command
($cmd, outfunc
=> sub {
779 if ($line =~ m/^tcp:\s+\[(\S+)\]\s+\S+\s+(\S+)\s*$/) {
780 my ($session, $target) = ($1, $2);
781 # there can be several sessions per target (multipath)
782 push @{$res->{$target}}, $session;
790 sub iscsi_test_portal
{
793 my ($server, $port) = split(':', $portal);
794 my $p = Net
::Ping-
>new("tcp", 2);
795 $p->port_number($port || 3260);
796 return $p->ping($server);
799 sub iscsi_discovery
{
802 check_iscsi_support
();
804 my $cmd = [$ISCSIADM, '--mode', 'discovery', '--type', 'sendtargets',
805 '--portal', $portal];
809 return $res if !iscsi_test_portal
($portal); # fixme: raise exception here?
811 run_command
($cmd, outfunc
=> sub {
814 if ($line =~ m/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+)\,\S+\s+(\S+)\s*$/) {
817 # one target can have more than one portal (multipath).
818 push @{$res->{$target}}, $portal;
826 my ($target, $portal_in) = @_;
828 check_iscsi_support
();
830 eval { iscsi_discovery
($portal_in); };
833 my $cmd = [$ISCSIADM, '--mode', 'node', '--targetname', $target, '--login'];
838 my ($target, $portal) = @_;
840 check_iscsi_support
();
842 my $cmd = [$ISCSIADM, '--mode', 'node', '--targetname', $target, '--logout'];
846 my $rescan_filename = "/var/run/pve-iscsi-rescan.lock";
848 sub iscsi_session_rescan
{
849 my $session_list = shift;
851 check_iscsi_support
();
853 my $rstat = stat ($rescan_filename);
856 if (my $fh = IO
::File-
>new ($rescan_filename, "a")) {
857 utime undef, undef, $fh;
861 my $atime = $rstat->atime;
862 my $tdiff = time() - $atime;
863 # avoid frequent rescans
864 return if !($tdiff < 0 || $tdiff > 10);
865 utime undef, undef, $rescan_filename;
868 foreach my $session (@$session_list) {
869 my $cmd = [$ISCSIADM, '--mode', 'session', '-r', $session, '-R'];
870 eval { run_command
($cmd, outfunc
=> sub {}); };
875 sub iscsi_device_list
{
879 my $dirname = '/sys/class/iscsi_session';
881 my $stable_paths = load_stable_scsi_paths
();
883 dir_glob_foreach
($dirname, 'session(\d+)', sub {
884 my ($ent, $session) = @_;
886 my $target = file_read_firstline
("$dirname/$ent/targetname");
889 my (undef, $host) = dir_glob_regex
("$dirname/$ent/device", 'target(\d+):.*');
890 return if !defined($host);
892 dir_glob_foreach
("/sys/bus/scsi/devices", "$host:" . '(\d+):(\d+):(\d+)', sub {
893 my ($tmp, $channel, $id, $lun) = @_;
895 my $type = file_read_firstline
("/sys/bus/scsi/devices/$tmp/type");
896 return if !defined($type) || $type ne '0'; # list disks only
899 if (-d
"/sys/bus/scsi/devices/$tmp/block") { # newer kernels
900 (undef, $bdev) = dir_glob_regex
("/sys/bus/scsi/devices/$tmp/block/", '([A-Za-z]\S*)');
902 (undef, $bdev) = dir_glob_regex
("/sys/bus/scsi/devices/$tmp", 'block:(\S+)');
907 if (-d
"/sys/block/$bdev/holders") {
908 my $multipathdev = dir_glob_regex
("/sys/block/$bdev/holders", '[A-Za-z]\S*');
909 $bdev = $multipathdev if $multipathdev;
912 my $blockdev = $stable_paths->{$bdev};
913 return if !$blockdev;
915 my $size = file_read_firstline
("/sys/block/$bdev/size");
918 my $volid = "$channel.$id.$lun.$blockdev";
920 $res->{$target}->{$volid} = {
922 'size' => int($size * 512),
923 'vmid' => 0, # not assigned to any vm
924 'channel' => int($channel),
929 #print "TEST: $target $session $host,$bus,$tg,$lun $blockdev\n";
937 # library implementation
939 PVE
::JSONSchema
::register_format
('pve-storage-vgname', \
&parse_lvm_name
);
941 my ($name, $noerr) = @_;
943 if ($name !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) {
944 return undef if $noerr;
945 die "lvm name '$name' contains illegal characters\n";
954 die "VMID '$vmid' contains illegal characters\n" if $vmid !~ m/^\d+$/;
959 PVE
::JSONSchema
::register_format
('pve-volume-id', \
&parse_volume_id
);
960 sub parse_volume_id
{
961 my ($volid, $noerr) = @_;
963 if ($volid =~ m/^([a-z][a-z0-9\-\_\.]*[a-z0-9]):(.+)$/i) {
964 return wantarray ?
($1, $2) : $1;
966 return undef if $noerr;
967 die "unable to parse volume ID '$volid'\n";
973 if ($name =~ m!^([^/\s]+\.(raw|qcow2|vmdk))$!) {
977 die "unable to parse volume filename '$name'\n";
980 sub parse_volname_dir
{
983 if ($volname =~ m!^(\d+)/(\S+)$!) {
984 my ($vmid, $name) = ($1, $2);
985 parse_name_dir
($name);
986 return ('image', $name, $vmid);
987 } elsif ($volname =~ m!^iso/([^/]+\.[Ii][Ss][Oo])$!) {
989 } elsif ($volname =~ m!^vztmpl/([^/]+\.tar\.gz)$!) {
990 return ('vztmpl', $1);
991 } elsif ($volname =~ m!^rootdir/(\d+)$!) {
992 return ('rootdir', $1, $1);
993 } elsif ($volname =~ m!^backup/([^/]+(\.(tar|tar\.gz|tar\.lzo|tgz)))$!) {
995 if ($fn =~ m/^vzdump-(openvz|qemu)-(\d+)-.+/) {
996 return ('backup', $fn, $2);
998 return ('backup', $fn);
1000 die "unable to parse directory volume name '$volname'\n";
1003 sub parse_volname_lvm
{
1004 my $volname = shift;
1006 parse_lvm_name
($volname);
1008 if ($volname =~ m/^(vm-(\d+)-\S+)$/) {
1012 die "unable to parse lvm volume name '$volname'\n";
1015 sub parse_volname_iscsi
{
1016 my $volname = shift;
1018 if ($volname =~ m!^\d+\.\d+\.\d+\.(\S+)$!) {
1023 die "unable to parse iscsi volume name '$volname'\n";
1026 # try to map a filesystem path to a volume identifier
1027 sub path_to_volume_id
{
1028 my ($cfg, $path) = @_;
1030 my $ids = $cfg->{ids
};
1032 my ($sid, $volname) = parse_volume_id
($path, 1);
1034 if ($ids->{$sid} && (my $type = $ids->{$sid}->{type
})) {
1035 if ($type eq 'dir' || $type eq 'nfs') {
1036 my ($vtype, $name, $vmid) = parse_volname_dir
($volname);
1037 return ($vtype, $path);
1043 $path = abs_path
($path);
1045 foreach my $sid (keys %$ids) {
1046 my $type = $ids->{$sid}->{type
};
1047 next if !($type eq 'dir' || $type eq 'nfs');
1049 my $imagedir = get_image_dir
($cfg, $sid);
1050 my $isodir = get_iso_dir
($cfg, $sid);
1051 my $tmpldir = get_vztmpl_dir
($cfg, $sid);
1052 my $backupdir = get_backup_dir
($cfg, $sid);
1053 my $privatedir = get_private_dir
($cfg, $sid);
1055 if ($path =~ m!^$imagedir/(\d+)/([^/\s]+)$!) {
1058 return ('image', "$sid:$vmid/$name");
1059 } elsif ($path =~ m!^$isodir/([^/]+\.[Ii][Ss][Oo])$!) {
1061 return ('iso', "$sid:iso/$name");
1062 } elsif ($path =~ m!^$tmpldir/([^/]+\.tar\.gz)$!) {
1064 return ('vztmpl', "$sid:vztmpl/$name");
1065 } elsif ($path =~ m!^$privatedir/(\d+)$!) {
1067 return ('rootdir', "$sid:rootdir/$vmid");
1068 } elsif ($path =~ m!^$backupdir/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz))$!) {
1070 return ('iso', "$sid:backup/$name");
1074 # can't map path to volume id
1079 my ($cfg, $volid) = @_;
1081 my ($storeid, $volname) = parse_volume_id
($volid);
1083 my $scfg = storage_config
($cfg, $storeid);
1087 my $vtype = 'image';
1089 if ($scfg->{type
} eq 'dir' || $scfg->{type
} eq 'nfs') {
1091 ($vtype, $name, $vmid) = parse_volname_dir
($volname);
1094 my $imagedir = get_image_dir
($cfg, $storeid, $vmid);
1095 my $isodir = get_iso_dir
($cfg, $storeid);
1096 my $tmpldir = get_vztmpl_dir
($cfg, $storeid);
1097 my $backupdir = get_backup_dir
($cfg, $storeid);
1098 my $privatedir = get_private_dir
($cfg, $storeid);
1100 if ($vtype eq 'image') {
1101 $path = "$imagedir/$name";
1102 } elsif ($vtype eq 'iso') {
1103 $path = "$isodir/$name";
1104 } elsif ($vtype eq 'vztmpl') {
1105 $path = "$tmpldir/$name";
1106 } elsif ($vtype eq 'rootdir') {
1107 $path = "$privatedir/$name";
1108 } elsif ($vtype eq 'backup') {
1109 $path = "$backupdir/$name";
1111 die "should not be reached";
1114 } elsif ($scfg->{type
} eq 'lvm') {
1116 my $vg = $scfg->{vgname
};
1118 my ($name, $vmid) = parse_volname_lvm
($volname);
1121 $path = "/dev/$vg/$name";
1123 } elsif ($scfg->{type
} eq 'iscsi') {
1124 my $byid = parse_volname_iscsi
($volname);
1125 $path = "/dev/disk/by-id/$byid";
1127 die "unknown storage type '$scfg->{type}'";
1130 return wantarray ?
($path, $owner, $vtype) : $path;
1133 sub storage_migrate
{
1134 my ($cfg, $volid, $target_host, $target_storeid, $target_volname) = @_;
1136 my ($storeid, $volname) = parse_volume_id
($volid);
1137 $target_volname = $volname if !$target_volname;
1139 my $scfg = storage_config
($cfg, $storeid);
1141 # no need to migrate shared content
1142 return if $storeid eq $target_storeid && $scfg->{shared
};
1144 my $tcfg = storage_config
($cfg, $target_storeid);
1146 my $target_volid = "${target_storeid}:${target_volname}";
1148 my $errstr = "unable to migrate '$volid' to '${target_volid}' on host '$target_host'";
1150 # blowfish is a fast block cipher, much faster then 3des
1151 my $sshoptions = "-c blowfish -o 'BatchMode=yes'";
1152 my $ssh = "/usr/bin/ssh $sshoptions";
1154 local $ENV{RSYNC_RSH
} = $ssh;
1156 if ($scfg->{type
} eq 'dir' || $scfg->{type
} eq 'nfs') {
1157 if ($tcfg->{type
} eq 'dir' || $tcfg->{type
} eq 'nfs') {
1159 my $src = path
($cfg, $volid);
1160 my $dst = path
($cfg, $target_volid);
1162 my $dirname = dirname
($dst);
1164 if ($tcfg->{shared
}) { # we can do a local copy
1166 run_command
(['/bin/mkdir', '-p', $dirname]);
1168 run_command
(['/bin/cp', $src, $dst]);
1172 run_command
(['/usr/bin/ssh', "root\@${target_host}",
1173 '/bin/mkdir', '-p', $dirname]);
1175 # we use rsync with --sparse, so we can't use --inplace,
1176 # so we remove file on the target if it already exists to
1178 my ($size, $format) = file_size_info
($src);
1179 if ($format && ($format eq 'raw') && $size) {
1180 run_command
(['/usr/bin/ssh', "root\@${target_host}",
1185 my $cmd = ['/usr/bin/rsync', '--progress', '--sparse', '--whole-file',
1186 $src, "root\@${target_host}:$dst"];
1190 run_command
($cmd, outfunc
=> sub {
1193 if ($line =~ m/^\s*(\d+\s+(\d+)%\s.*)$/) {
1194 if ($2 > $percent) {
1196 print "rsync status: $1\n";
1209 die "$errstr - target type '$tcfg->{type}' not implemented\n";
1213 die "$errstr - source type '$scfg->{type}' not implemented\n";
1218 my ($cfg, $storeid, $vmid, $fmt, $name, $size) = @_;
1220 die "no storage id specified\n" if !$storeid;
1222 PVE
::JSONSchema
::parse_storage_id
($storeid);
1224 my $scfg = storage_config
($cfg, $storeid);
1226 die "no VMID specified\n" if !$vmid;
1228 $vmid = parse_vmid
($vmid);
1230 my $defformat = storage_default_format
($cfg, $storeid);
1232 $fmt = $defformat if !$fmt;
1234 activate_storage
($cfg, $storeid);
1236 # lock shared storage
1237 return cluster_lock_storage
($storeid, $scfg->{shared
}, undef, sub {
1239 if ($scfg->{type
} eq 'dir' || $scfg->{type
} eq 'nfs') {
1241 my $imagedir = get_image_dir
($cfg, $storeid, $vmid);
1247 for (my $i = 1; $i < 100; $i++) {
1248 my @gr = <$imagedir/vm-$vmid-disk
-$i.*>;
1250 $name = "vm-$vmid-disk-$i.$fmt";
1256 die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"
1259 my (undef, $tmpfmt) = parse_name_dir
($name);
1261 die "illegal name '$name' - wrong extension for format ('$tmpfmt != '$fmt')\n"
1264 my $path = "$imagedir/$name";
1266 die "disk image '$path' already exists\n" if -e
$path;
1268 run_command
("/usr/bin/qemu-img create -f $fmt '$path' ${size}K",
1269 errmsg
=> "unable to create image");
1271 return "$storeid:$vmid/$name";
1273 } elsif ($scfg->{type
} eq 'lvm') {
1275 die "unsupported format '$fmt'" if $fmt ne 'raw';
1277 die "illegal name '$name' - sould be 'vm-$vmid-*'\n"
1278 if $name && $name !~ m/^vm-$vmid-/;
1280 my $vgs = lvm_vgs
();
1282 my $vg = $scfg->{vgname
};
1284 die "no such volume gruoup '$vg'\n" if !defined ($vgs->{$vg});
1286 my $free = int ($vgs->{$vg}->{free
});
1288 die "not enough free space ($free < $size)\n" if $free < $size;
1291 my $lvs = lvm_lvs
($vg);
1293 for (my $i = 1; $i < 100; $i++) {
1294 my $tn = "vm-$vmid-disk-$i";
1295 if (!defined ($lvs->{$vg}->{$tn})) {
1302 die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"
1305 my $cmd = ['/sbin/lvcreate', '-aly', '--addtag', "pve-vm-$vmid", '--size', "${size}k", '--name', $name, $vg];
1307 run_command
($cmd, errmsg
=> "lvcreate '$vg/pve-vm-$vmid' error");
1309 return "$storeid:$name";
1311 } elsif ($scfg->{type
} eq 'iscsi') {
1312 die "can't allocate space in iscsi storage\n";
1314 die "unknown storage type '$scfg->{type}'";
1320 my ($cfg, $volid) = @_;
1322 my ($storeid, $volname) = parse_volume_id
($volid);
1324 my $scfg = storage_config
($cfg, $storeid);
1326 activate_storage
($cfg, $storeid);
1328 # we need to zero out LVM data for security reasons
1329 # and to allow thin provisioning
1333 # lock shared storage
1334 cluster_lock_storage
($storeid, $scfg->{shared
}, undef, sub {
1336 if ($scfg->{type
} eq 'dir' || $scfg->{type
} eq 'nfs') {
1337 my $path = path
($cfg, $volid);
1340 warn "disk image '$path' does not exists\n";
1344 } elsif ($scfg->{type
} eq 'lvm') {
1346 if ($scfg->{saferemove
}) {
1347 # avoid long running task, so we only rename here
1348 $vg = $scfg->{vgname
};
1349 my $cmd = ['/sbin/lvrename', $vg, $volname, "del-$volname"];
1350 run_command
($cmd, errmsg
=> "lvrename '$vg/$volname' error");
1352 my $tmpvg = $scfg->{vgname
};
1353 my $cmd = ['/sbin/lvremove', '-f', "$tmpvg/$volname"];
1354 run_command
($cmd, errmsg
=> "lvremove '$tmpvg/$volname' error");
1357 } elsif ($scfg->{type
} eq 'iscsi') {
1358 die "can't free space in iscsi storage\n";
1360 die "unknown storage type '$scfg->{type}'";
1366 my $zero_out_worker = sub {
1367 print "zero-out data on image $volname\n";
1368 my $cmd = ['dd', "if=/dev/zero", "of=/dev/$vg/del-$volname", "bs=1M"];
1369 eval { run_command
($cmd, errmsg
=> "zero out failed"); };
1372 cluster_lock_storage
($storeid, $scfg->{shared
}, undef, sub {
1373 my $cmd = ['/sbin/lvremove', '-f', "$vg/del-$volname"];
1374 run_command
($cmd, errmsg
=> "lvremove '$vg/del-$volname' error");
1376 print "successfully removed volume $volname\n";
1379 my $rpcenv = PVE
::RPCEnvironment
::get
();
1380 my $authuser = $rpcenv->get_user();
1382 $rpcenv->fork_worker('imgdel', undef, $authuser, $zero_out_worker);
1385 # lvm utility functions
1390 die "no device specified" if !$device;
1394 my $cmd = ['/usr/bin/file', '-L', '-s', $device];
1395 run_command
($cmd, outfunc
=> sub {
1397 $has_label = 1 if $line =~ m/LVM2/;
1400 return undef if !$has_label;
1402 $cmd = ['/sbin/pvs', '--separator', ':', '--noheadings', '--units', 'k',
1403 '--unbuffered', '--nosuffix', '--options',
1404 'pv_name,pv_size,vg_name,pv_uuid', $device];
1407 run_command
($cmd, outfunc
=> sub {
1410 $line = trim
($line);
1412 my ($pvname, $size, $vgname, $uuid) = split (':', $line);
1414 die "found multiple pvs entries for device '$device'\n"
1428 sub clear_first_sector
{
1431 if (my $fh = IO
::File-
>new ($dev, "w")) {
1438 sub lvm_create_volume_group
{
1439 my ($device, $vgname, $shared) = @_;
1441 my $res = lvm_pv_info
($device);
1443 if ($res->{vgname
}) {
1444 return if $res->{vgname
} eq $vgname; # already created
1445 die "device '$device' is already used by volume group '$res->{vgname}'\n";
1448 clear_first_sector
($device); # else pvcreate fails
1450 # we use --metadatasize 250k, which reseults in "pe_start = 512"
1451 # so pe_start is aligned on a 128k boundary (advantage for SSDs)
1452 my $cmd = ['/sbin/pvcreate', '--metadatasize', '250k', $device];
1454 run_command
($cmd, errmsg
=> "pvcreate '$device' error");
1456 $cmd = ['/sbin/vgcreate', $vgname, $device];
1457 # push @$cmd, '-c', 'y' if $shared; # we do not use this yet
1459 run_command
($cmd, errmsg
=> "vgcreate $vgname $device error");
1464 my $cmd = ['/sbin/vgs', '--separator', ':', '--noheadings', '--units', 'b',
1465 '--unbuffered', '--nosuffix', '--options',
1466 'vg_name,vg_size,vg_free'];
1470 run_command
($cmd, outfunc
=> sub {
1473 $line = trim
($line);
1475 my ($name, $size, $free) = split (':', $line);
1477 $vgs->{$name} = { size
=> int ($size), free
=> int ($free) };
1482 # just warn (vgs return error code 5 if clvmd does not run)
1483 # but output is still OK (list without clustered VGs)
1492 my $cmd = ['/sbin/lvs', '--separator', ':', '--noheadings', '--units', 'b',
1493 '--unbuffered', '--nosuffix', '--options',
1494 'vg_name,lv_name,lv_size,uuid,tags'];
1496 push @$cmd, $vgname if $vgname;
1499 run_command
($cmd, outfunc
=> sub {
1502 $line = trim
($line);
1504 my ($vg, $name, $size, $uuid, $tags) = split (':', $line);
1506 return if $name !~ m/^vm-(\d+)-/;
1510 foreach my $tag (split (/,/, $tags)) {
1511 if ($tag =~ m/^pve-vm-(\d+)$/) {
1518 if ($owner ne $nid) {
1519 warn "owner mismatch name = $name, owner = $owner\n";
1522 $lvs->{$vg}->{$name} = { format
=> 'raw', size
=> $size,
1523 uuid
=> $uuid, tags
=> $tags,
1531 #list iso or openvz template ($tt = <iso|vztmpl|backup>)
1533 my ($cfg, $storeid, $tt) = @_;
1535 die "unknown template type '$tt'\n" if !($tt eq 'iso' || $tt eq 'vztmpl' || $tt eq 'backup');
1537 my $ids = $cfg->{ids
};
1539 storage_check_enabled
($cfg, $storeid) if ($storeid);
1545 foreach my $sid (keys %$ids) {
1546 next if $storeid && $storeid ne $sid;
1548 my $scfg = $ids->{$sid};
1549 my $type = $scfg->{type
};
1551 next if !storage_check_enabled
($cfg, $sid, undef, 1);
1553 next if $tt eq 'iso' && !$scfg->{content
}->{iso
};
1554 next if $tt eq 'vztmpl' && !$scfg->{content
}->{vztmpl
};
1555 next if $tt eq 'backup' && !$scfg->{content
}->{backup
};
1557 activate_storage
($cfg, $sid);
1559 if ($type eq 'dir' || $type eq 'nfs') {
1563 $path = get_iso_dir
($cfg, $sid);
1564 } elsif ($tt eq 'vztmpl') {
1565 $path = get_vztmpl_dir
($cfg, $sid);
1566 } elsif ($tt eq 'backup') {
1567 $path = get_backup_dir
($cfg, $sid);
1569 die "unknown template type '$tt'\n";
1572 foreach my $fn (<$path/*>) {
1577 next if $fn !~ m!/([^/]+\.[Ii][Ss][Oo])$!;
1579 $info = { volid
=> "$sid:iso/$1", format
=> 'iso' };
1581 } elsif ($tt eq 'vztmpl') {
1582 next if $fn !~ m!/([^/]+\.tar\.gz)$!;
1584 $info = { volid
=> "$sid:vztmpl/$1", format
=> 'tgz' };
1586 } elsif ($tt eq 'backup') {
1587 next if $fn !~ m!/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz))$!;
1589 $info = { volid
=> "$sid:backup/$1", format
=> $2 };
1592 $info->{size
} = -s
$fn;
1594 push @{$res->{$sid}}, $info;
1599 @{$res->{$sid}} = sort {lc($a->{volid
}) cmp lc ($b->{volid
}) } @{$res->{$sid}} if $res->{$sid};
1605 sub file_size_info
{
1606 my ($filename, $timeout) = @_;
1608 my $cmd = ['/usr/bin/qemu-img', 'info', $filename];
1615 run_command
($cmd, timeout
=> $timeout, outfunc
=> sub {
1618 if ($line =~ m/^file format:\s+(\S+)\s*$/) {
1620 } elsif ($line =~ m/^virtual size:\s\S+\s+\((\d+)\s+bytes\)$/) {
1622 } elsif ($line =~ m/^disk size:\s+(\d+(.\d+)?)([KMGT])\s*$/) {
1626 $used *= 1024 if $u eq 'K';
1627 $used *= (1024*1024) if $u eq 'M';
1628 $used *= (1024*1024*1024) if $u eq 'G';
1629 $used *= (1024*1024*1024*1024) if $u eq 'T';
1636 return wantarray ?
($size, $format, $used) : $size;
1640 my ($cfg, $storeid, $vmid, $vollist) = @_;
1642 my $ids = $cfg->{ids
};
1644 storage_check_enabled
($cfg, $storeid) if ($storeid);
1648 # prepare/activate/refresh all storages
1652 my $storage_list = [];
1654 foreach my $volid (@$vollist) {
1655 my ($sid, undef) = parse_volume_id
($volid);
1656 next if !defined ($ids->{$sid});
1657 next if !storage_check_enabled
($cfg, $sid, undef, 1);
1658 push @$storage_list, $sid;
1659 $stypes->{$ids->{$sid}->{type
}} = 1;
1662 foreach my $sid (keys %$ids) {
1663 next if $storeid && $storeid ne $sid;
1664 next if !storage_check_enabled
($cfg, $sid, undef, 1);
1665 push @$storage_list, $sid;
1666 $stypes->{$ids->{$sid}->{type
}} = 1;
1670 activate_storage_list
($cfg, $storage_list);
1672 my $lvs = $stypes->{lvm
} ? lvm_lvs
() : {};
1674 my $iscsi_devices = iscsi_device_list
() if $stypes->{iscsi
};
1678 foreach my $sid (keys %$ids) {
1680 next if $storeid ne $sid;
1681 next if !storage_check_enabled
($cfg, $sid, undef, 1);
1683 my $scfg = $ids->{$sid};
1684 my $type = $scfg->{type
};
1686 if ($type eq 'dir' || $type eq 'nfs') {
1688 my $path = $scfg->{path
};
1690 my $fmts = join ('|', keys %{$default_config->{$type}->{format
}->[0]});
1692 foreach my $fn (<$path/images/[0-9][0-9]*/*>) {
1694 next if $fn !~ m!^(/.+/images/(\d+)/([^/]+\.($fmts)))$!;
1699 my $volid = "$sid:$owner/$name";
1702 my $found = grep { $_ eq $volid } @$vollist;
1705 next if defined ($vmid) && ($owner ne $vmid);
1708 my ($size, $format, $used) = file_size_info
($fn);
1710 if ($format && $size) {
1711 push @{$res->{$sid}}, {
1712 volid
=> $volid, format
=> $format,
1713 size
=> $size, vmid
=> $owner, used
=> $used };
1718 } elsif ($type eq 'lvm') {
1720 my $vgname = $scfg->{vgname
};
1722 if (my $dat = $lvs->{$vgname}) {
1724 foreach my $volname (keys %$dat) {
1726 my $owner = $dat->{$volname}->{vmid
};
1728 my $volid = "$sid:$volname";
1731 my $found = grep { $_ eq $volid } @$vollist;
1734 next if defined ($vmid) && ($owner ne $vmid);
1737 my $info = $dat->{$volname};
1738 $info->{volid
} = $volid;
1740 push @{$res->{$sid}}, $info;
1744 } elsif ($type eq 'iscsi') {
1746 # we have no owner for iscsi devices
1748 my $target = $scfg->{target
};
1750 if (my $dat = $iscsi_devices->{$target}) {
1752 foreach my $volname (keys %$dat) {
1754 my $volid = "$sid:$volname";
1757 my $found = grep { $_ eq $volid } @$vollist;
1760 next if !($storeid && ($storeid eq $sid));
1763 my $info = $dat->{$volname};
1764 $info->{volid
} = $volid;
1766 push @{$res->{$sid}}, $info;
1774 @{$res->{$sid}} = sort {lc($a->{volid
}) cmp lc ($b->{volid
}) } @{$res->{$sid}} if $res->{$sid};
1780 sub nfs_is_mounted
{
1781 my ($server, $export, $mountpoint, $mountdata) = @_;
1783 my $source = "$server:$export";
1785 $mountdata = read_proc_mounts
() if !$mountdata;
1787 if ($mountdata =~ m
|^$source/?\s$mountpoint\snfs|m
) {
1795 my ($server, $export, $mountpoint, $options) = @_;
1797 my $source = "$server:$export";
1799 my $cmd = ['/bin/mount', '-t', 'nfs', $source, $mountpoint];
1801 push @$cmd, '-o', $options;
1804 run_command
($cmd, errmsg
=> "mount error");
1809 my $filename = "/sys/kernel/uevent_seqnum";
1812 if (my $fh = IO
::File-
>new ($filename, "r")) {
1814 if ($line =~ m/^(\d+)$/) {
1822 sub __activate_storage_full
{
1823 my ($cfg, $storeid, $session) = @_;
1825 my $scfg = storage_check_enabled
($cfg, $storeid);
1827 return if $session->{activated
}->{$storeid};
1829 if (!$session->{mountdata
}) {
1830 $session->{mountdata
} = read_proc_mounts
();
1833 if (!$session->{uevent_seqnum
}) {
1834 $session->{uevent_seqnum
} = uevent_seqnum
();
1837 my $mountdata = $session->{mountdata
};
1839 my $type = $scfg->{type
};
1841 if ($type eq 'dir' || $type eq 'nfs') {
1843 my $path = $scfg->{path
};
1845 if ($type eq 'nfs') {
1846 my $server = $scfg->{server
};
1847 my $export = $scfg->{export
};
1849 if (!nfs_is_mounted
($server, $export, $path, $mountdata)) {
1851 # NOTE: only call mkpath when not mounted (avoid hang
1852 # when NFS server is offline
1856 die "unable to activate storage '$storeid' - " .
1857 "directory '$path' does not exist\n" if ! -d
$path;
1859 nfs_mount
($server, $export, $path, $scfg->{options
});
1866 die "unable to activate storage '$storeid' - " .
1867 "directory '$path' does not exist\n" if ! -d
$path;
1870 my $imagedir = get_image_dir
($cfg, $storeid);
1871 my $isodir = get_iso_dir
($cfg, $storeid);
1872 my $tmpldir = get_vztmpl_dir
($cfg, $storeid);
1873 my $backupdir = get_backup_dir
($cfg, $storeid);
1874 my $privatedir = get_private_dir
($cfg, $storeid);
1876 if (defined($scfg->{content
})) {
1877 mkpath
$imagedir if $scfg->{content
}->{images
} &&
1879 mkpath
$isodir if $scfg->{content
}->{iso
} &&
1881 mkpath
$tmpldir if $scfg->{content
}->{vztmpl
} &&
1883 mkpath
$privatedir if $scfg->{content
}->{rootdir
} &&
1884 $privatedir ne $path;
1885 mkpath
$backupdir if $scfg->{content
}->{backup
} &&
1886 $backupdir ne $path;
1889 } elsif ($type eq 'lvm') {
1891 if ($scfg->{base
}) {
1892 my ($baseid, undef) = parse_volume_id
($scfg->{base
});
1893 __activate_storage_full
($cfg, $baseid, $session);
1896 if (!$session->{vgs
}) {
1897 $session->{vgs
} = lvm_vgs
();
1900 # In LVM2, vgscans take place automatically;
1901 # this is just to be sure
1902 if ($session->{vgs
} && !$session->{vgscaned
} &&
1903 !$session->{vgs
}->{$scfg->{vgname
}}) {
1904 $session->{vgscaned
} = 1;
1905 my $cmd = ['/sbin/vgscan', '--ignorelockingfailure', '--mknodes'];
1906 eval { run_command
($cmd, outfunc
=> sub {}); };
1910 # we do not acticate any volumes here ('vgchange -aly')
1911 # instead, volumes are activate individually later
1913 } elsif ($type eq 'iscsi') {
1915 return if !check_iscsi_support
(1);
1917 $session->{iscsi_sessions
} = iscsi_session_list
()
1918 if !$session->{iscsi_sessions
};
1920 my $iscsi_sess = $session->{iscsi_sessions
}->{$scfg->{target
}};
1921 if (!defined ($iscsi_sess)) {
1922 eval { iscsi_login
($scfg->{target
}, $scfg->{portal
}); };
1925 # make sure we get all devices
1926 iscsi_session_rescan
($iscsi_sess);
1933 my $newseq = uevent_seqnum
();
1935 # only call udevsettle if there are events
1936 if ($newseq > $session->{uevent_seqnum
}) {
1938 system ("$UDEVADM settle --timeout=$timeout"); # ignore errors
1939 $session->{uevent_seqnum
} = $newseq;
1942 $session->{activated
}->{$storeid} = 1;
1945 sub activate_storage_list
{
1946 my ($cfg, $storeid_list, $session) = @_;
1948 $session = {} if !$session;
1950 foreach my $storeid (@$storeid_list) {
1951 __activate_storage_full
($cfg, $storeid, $session);
1955 sub activate_storage
{
1956 my ($cfg, $storeid) = @_;
1960 __activate_storage_full
($cfg, $storeid, $session);
1963 sub activate_volumes
{
1964 my ($cfg, $vollist, $exclusive) = @_;
1966 return if !($vollist && scalar(@$vollist));
1968 my $lvm_activate_mode = $exclusive ?
'ey' : 'ly';
1970 my $storagehash = {};
1971 foreach my $volid (@$vollist) {
1972 my ($storeid, undef) = parse_volume_id
($volid);
1973 $storagehash->{$storeid} = 1;
1976 activate_storage_list
($cfg, [keys %$storagehash]);
1978 foreach my $volid (@$vollist) {
1979 my ($storeid, $volname) = parse_volume_id
($volid);
1981 my $scfg = storage_config
($cfg, $storeid);
1983 my $path = path
($cfg, $volid);
1985 if ($scfg->{type
} eq 'lvm') {
1986 my $cmd = ['/sbin/lvchange', "-a$lvm_activate_mode", $path];
1987 run_command
($cmd, errmsg
=> "can't activate LV '$volid'");
1990 # check is volume exists
1991 if ($scfg->{type
} eq 'dir' || $scfg->{type
} eq 'nfs') {
1992 die "volume '$volid' does not exist\n" if ! -e
$path;
1994 die "volume '$volid' does not exist\n" if ! -b
$path;
1999 sub deactivate_volumes
{
2000 my ($cfg, $vollist) = @_;
2002 return if !($vollist && scalar(@$vollist));
2004 my $lvs = lvm_lvs
();
2007 foreach my $volid (@$vollist) {
2008 my ($storeid, $volname) = parse_volume_id
($volid);
2010 my $scfg = storage_config
($cfg, $storeid);
2012 if ($scfg->{type
} eq 'lvm') {
2013 my ($name) = parse_volname_lvm
($volname);
2015 if ($lvs->{$scfg->{vgname
}}->{$name}) {
2016 my $path = path
($cfg, $volid);
2017 my $cmd = ['/sbin/lvchange', '-aln', $path];
2018 eval { run_command
($cmd, errmsg
=> "can't deactivate LV '$volid'"); };
2021 push @errlist, $volid;
2027 die "volume deativation failed: " . join(' ', @errlist)
2028 if scalar(@errlist);
2031 sub deactivate_storage
{
2032 my ($cfg, $storeid) = @_;
2036 my $scfg = storage_config
($cfg, $storeid);
2038 my $type = $scfg->{type
};
2040 if ($type eq 'dir') {
2042 } elsif ($type eq 'nfs') {
2043 my $mountdata = read_proc_mounts
();
2044 my $server = $scfg->{server
};
2045 my $export = $scfg->{export
};
2046 my $path = $scfg->{path
};
2048 my $cmd = ['/bin/umount', $path];
2050 run_command
($cmd, errmsg
=> 'umount error')
2051 if nfs_is_mounted
($server, $export, $path, $mountdata);
2053 } elsif ($type eq 'lvm') {
2054 my $cmd = ['/sbin/vgchange', '-aln', $scfg->{vgname
}];
2055 run_command
($cmd, errmsg
=> "can't deactivate VG '$scfg->{vgname}'");
2056 } elsif ($type eq 'iscsi') {
2057 my $portal = $scfg->{portal
};
2058 my $target = $scfg->{target
};
2060 my $iscsi_sessions = iscsi_session_list
();
2061 iscsi_logout
($target, $portal)
2062 if defined ($iscsi_sessions->{$target});
2070 my ($cfg, $content) = @_;
2072 my $ids = $cfg->{ids
};
2078 foreach my $storeid (keys %$ids) {
2080 next if $content && !$ids->{$storeid}->{content
}->{$content};
2082 next if !storage_check_enabled
($cfg, $storeid, undef, 1);
2084 my $type = $ids->{$storeid}->{type
};
2086 $info->{$storeid} = {
2091 shared
=> $ids->{$storeid}->{shared
} ?
1 : 0,
2092 content
=> content_hash_to_string
($ids->{$storeid}->{content
}),
2096 $stypes->{$type} = 1;
2098 push @$slist, $storeid;
2103 my $iscsi_sessions = {};
2106 if ($stypes->{lvm
}) {
2107 $session->{vgs
} = lvm_vgs
();
2108 $vgs = $session->{vgs
};
2110 if ($stypes->{nfs
}) {
2111 $mountdata = read_proc_mounts
();
2112 $session->{mountdata
} = $mountdata;
2114 if ($stypes->{iscsi
}) {
2115 $iscsi_sessions = iscsi_session_list
();
2116 $session->{iscsi_sessions
} = $iscsi_sessions;
2119 eval { activate_storage_list
($cfg, $slist, $session); };
2121 foreach my $storeid (keys %$ids) {
2122 my $scfg = $ids->{$storeid};
2124 next if !$info->{$storeid};
2126 my $type = $scfg->{type
};
2128 if ($type eq 'dir' || $type eq 'nfs') {
2130 my $path = $scfg->{path
};
2132 if ($type eq 'nfs') {
2133 my $server = $scfg->{server
};
2134 my $export = $scfg->{export
};
2136 next if !nfs_is_mounted
($server, $export, $path, $mountdata);
2140 my $res = PVE
::Tools
::df
($path, $timeout);
2142 next if !$res || !$res->{total
};
2144 $info->{$storeid}->{total
} = $res->{total
};
2145 $info->{$storeid}->{avail
} = $res->{avail
};
2146 $info->{$storeid}->{used
} = $res->{used
};
2147 $info->{$storeid}->{active
} = 1;
2149 } elsif ($type eq 'lvm') {
2151 my $vgname = $scfg->{vgname
};
2156 if (defined ($vgs->{$vgname})) {
2157 $total = $vgs->{$vgname}->{size
};
2158 $free = $vgs->{$vgname}->{free
};
2160 $info->{$storeid}->{total
} = $total;
2161 $info->{$storeid}->{avail
} = $free;
2162 $info->{$storeid}->{used
} = $total - $free;
2163 $info->{$storeid}->{active
} = 1;
2166 } elsif ($type eq 'iscsi') {
2168 $info->{$storeid}->{total
} = 0;
2169 $info->{$storeid}->{avail
} = 0;
2170 $info->{$storeid}->{used
} = 0;
2171 $info->{$storeid}->{active
} =
2172 defined ($iscsi_sessions->{$scfg->{target
}});
2185 my $packed_ip = gethostbyname($server);
2186 if (defined $packed_ip) {
2187 return inet_ntoa
($packed_ip);
2193 my ($server_in) = @_;
2196 if (!($server = resolv_server
($server_in))) {
2197 die "unable to resolve address for server '${server_in}'\n";
2200 my $cmd = ['/sbin/showmount', '--no-headers', '--exports', $server];
2203 run_command
($cmd, outfunc
=> sub {
2206 # note: howto handle white spaces in export path??
2207 if ($line =~ m!^(/\S+)\s+(.+)$!) {
2216 my ($portal, $noerr) = @_;
2218 if ($portal =~ m/^([^:]+)(:(\d+))?$/) {
2222 if (my $ip = resolv_server
($server)) {
2224 return $port ?
"$server:$port" : $server;
2227 return undef if $noerr;
2229 raise_param_exc
({ portal
=> "unable to resolve portal address '$portal'" });
2232 # idea is from usbutils package (/usr/bin/usb-devices) script
2233 sub __scan_usb_device
{
2234 my ($res, $devpath, $parent, $level) = @_;
2236 return if ! -d
$devpath;
2237 return if $level && $devpath !~ m/^.*[-.](\d+)$/;
2238 my $port = $level ?
int($1 - 1) : 0;
2240 my $busnum = int(file_read_firstline
("$devpath/busnum"));
2241 my $devnum = int(file_read_firstline
("$devpath/devnum"));
2248 speed
=> file_read_firstline
("$devpath/speed"),
2249 class => hex(file_read_firstline
("$devpath/bDeviceClass")),
2250 vendid
=> file_read_firstline
("$devpath/idVendor"),
2251 prodid
=> file_read_firstline
("$devpath/idProduct"),
2255 my $usbpath = $devpath;
2256 $usbpath =~ s
|^.*/\d
+\
-||;
2257 $d->{usbpath
} = $usbpath;
2260 my $product = file_read_firstline
("$devpath/product");
2261 $d->{product
} = $product if $product;
2263 my $manu = file_read_firstline
("$devpath/manufacturer");
2264 $d->{manufacturer
} = $manu if $manu;
2266 my $serial => file_read_firstline
("$devpath/serial");
2267 $d->{serial
} = $serial if $serial;
2271 foreach my $subdev (<$devpath/$busnum-*>) {
2272 next if $subdev !~ m
|/$busnum-[0-9]+(\
.[0-9]+)*$|;
2273 __scan_usb_device
($res, $subdev, $devnum, $level + 1);
2282 foreach my $device (</sys/bus
/usb
/devices
/usb
*>) {
2283 __scan_usb_device
($devlist, $device, 0, 0);
2290 my ($portal_in) = @_;
2293 if (!($portal = resolv_portal
($portal_in))) {
2294 die "unable to parse/resolve portal address '${portal_in}'\n";
2297 return iscsi_discovery
($portal);
2300 sub storage_default_format
{
2301 my ($cfg, $storeid) = @_;
2303 my $scfg = storage_config
($cfg, $storeid);
2305 my $def = $default_config->{$scfg->{type
}};
2307 my $def_format = 'raw';
2308 my $valid_formats = [ $def_format ];
2310 if (defined ($def->{format
})) {
2311 $def_format = $scfg->{format
} || $def->{format
}->[1];
2312 $valid_formats = [ sort keys %{$def->{format
}->[0]} ];
2315 return wantarray ?
($def_format, $valid_formats) : $def_format;
2318 sub vgroup_is_used
{
2319 my ($cfg, $vgname) = @_;
2321 foreach my $storeid (keys %{$cfg->{ids
}}) {
2322 my $scfg = storage_config
($cfg, $storeid);
2323 if ($scfg->{type
} eq 'lvm' && $scfg->{vgname
} eq $vgname) {
2331 sub target_is_used
{
2332 my ($cfg, $target) = @_;
2334 foreach my $storeid (keys %{$cfg->{ids
}}) {
2335 my $scfg = storage_config
($cfg, $storeid);
2336 if ($scfg->{type
} eq 'iscsi' && $scfg->{target
} eq $target) {
2344 sub volume_is_used
{
2345 my ($cfg, $volid) = @_;
2347 foreach my $storeid (keys %{$cfg->{ids
}}) {
2348 my $scfg = storage_config
($cfg, $storeid);
2349 if ($scfg->{base
} && $scfg->{base
} eq $volid) {
2357 sub storage_is_used
{
2358 my ($cfg, $storeid) = @_;
2360 foreach my $sid (keys %{$cfg->{ids
}}) {
2361 my $scfg = storage_config
($cfg, $sid);
2362 next if !$scfg->{base
};
2363 my ($st) = parse_volume_id
($scfg->{base
});
2364 return 1 if $st && $st eq $storeid;
2371 my ($list, $func) = @_;
2375 foreach my $sid (keys %$list) {
2376 foreach my $info (@{$list->{$sid}}) {
2377 my $volid = $info->{volid
};
2378 my ($sid1, $volname) = parse_volume_id
($volid, 1);
2379 if ($sid1 && $sid1 eq $sid) {
2380 &$func ($volid, $sid, $info);
2382 warn "detected strange volid '$volid' in volume list for '$sid'\n";