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1 | package PVE::Storage::LVMPlugin; | |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
6 | use IO::File; | |
7 | ||
8 | use PVE::Tools qw(run_command trim); | |
9 | use PVE::Storage::Plugin; | |
10 | use PVE::JSONSchema qw(get_standard_option); | |
11 | ||
12 | use base qw(PVE::Storage::Plugin); | |
13 | ||
14 | # lvm helper functions | |
15 | ||
16 | sub lvm_pv_info { | |
17 | my ($device) = @_; | |
18 | ||
19 | die "no device specified" if !$device; | |
20 | ||
21 | my $has_label = 0; | |
22 | ||
23 | my $cmd = ['/usr/bin/file', '-L', '-s', $device]; | |
24 | run_command($cmd, outfunc => sub { | |
25 | my $line = shift; | |
26 | $has_label = 1 if $line =~ m/LVM2/; | |
27 | }); | |
28 | ||
29 | return undef if !$has_label; | |
30 | ||
31 | $cmd = ['/sbin/pvs', '--separator', ':', '--noheadings', '--units', 'k', | |
32 | '--unbuffered', '--nosuffix', '--options', | |
33 | 'pv_name,pv_size,vg_name,pv_uuid', $device]; | |
34 | ||
35 | my $pvinfo; | |
36 | run_command($cmd, outfunc => sub { | |
37 | my $line = shift; | |
38 | ||
39 | $line = trim($line); | |
40 | ||
41 | my ($pvname, $size, $vgname, $uuid) = split(':', $line); | |
42 | ||
43 | die "found multiple pvs entries for device '$device'\n" | |
44 | if $pvinfo; | |
45 | ||
46 | $pvinfo = { | |
47 | pvname => $pvname, | |
48 | size => int($size), | |
49 | vgname => $vgname, | |
50 | uuid => $uuid, | |
51 | }; | |
52 | }); | |
53 | ||
54 | return $pvinfo; | |
55 | } | |
56 | ||
57 | sub clear_first_sector { | |
58 | my ($dev) = shift; | |
59 | ||
60 | if (my $fh = IO::File->new($dev, "w")) { | |
61 | my $buf = 0 x 512; | |
62 | syswrite $fh, $buf; | |
63 | $fh->close(); | |
64 | } | |
65 | } | |
66 | ||
67 | sub lvm_create_volume_group { | |
68 | my ($device, $vgname, $shared) = @_; | |
69 | ||
70 | my $res = lvm_pv_info($device); | |
71 | ||
72 | if ($res->{vgname}) { | |
73 | return if $res->{vgname} eq $vgname; # already created | |
74 | die "device '$device' is already used by volume group '$res->{vgname}'\n"; | |
75 | } | |
76 | ||
77 | clear_first_sector($device); # else pvcreate fails | |
78 | ||
79 | # we use --metadatasize 250k, which reseults in "pe_start = 512" | |
80 | # so pe_start is aligned on a 128k boundary (advantage for SSDs) | |
81 | my $cmd = ['/sbin/pvcreate', '--metadatasize', '250k', $device]; | |
82 | ||
83 | run_command($cmd, errmsg => "pvcreate '$device' error"); | |
84 | ||
85 | $cmd = ['/sbin/vgcreate', $vgname, $device]; | |
86 | # push @$cmd, '-c', 'y' if $shared; # we do not use this yet | |
87 | ||
88 | run_command($cmd, errmsg => "vgcreate $vgname $device error"); | |
89 | } | |
90 | ||
91 | sub lvm_vgs { | |
92 | my ($includepvs) = @_; | |
93 | ||
94 | my $cmd = ['/sbin/vgs', '--separator', ':', '--noheadings', '--units', 'b', | |
95 | '--unbuffered', '--nosuffix', '--options']; | |
96 | ||
97 | my $cols = [qw(vg_name vg_size vg_free lv_count)]; | |
98 | ||
99 | if ($includepvs) { | |
100 | push @$cols, qw(pv_name pv_size pv_free); | |
101 | } | |
102 | ||
103 | push @$cmd, join(',', @$cols); | |
104 | ||
105 | my $vgs = {}; | |
106 | eval { | |
107 | run_command($cmd, outfunc => sub { | |
108 | my $line = shift; | |
109 | ||
110 | $line = trim($line); | |
111 | ||
112 | my ($name, $size, $free, $lvcount, $pvname, $pvsize, $pvfree) = split (':', $line); | |
113 | ||
114 | $vgs->{$name} = { size => int ($size), free => int ($free), lvcount => int($lvcount) } | |
115 | if !$vgs->{$name}; | |
116 | ||
117 | if (defined($pvname) && defined($pvsize) && defined($pvfree)) { | |
118 | push @{$vgs->{$name}->{pvs}}, { | |
119 | name => $pvname, | |
120 | size => int($pvsize), | |
121 | free => int($pvfree), | |
122 | }; | |
123 | } | |
124 | }); | |
125 | }; | |
126 | my $err = $@; | |
127 | ||
128 | # just warn (vgs return error code 5 if clvmd does not run) | |
129 | # but output is still OK (list without clustered VGs) | |
130 | warn $err if $err; | |
131 | ||
132 | return $vgs; | |
133 | } | |
134 | ||
135 | sub lvm_list_volumes { | |
136 | my ($vgname) = @_; | |
137 | ||
138 | my $cmd = ['/sbin/lvs', '--separator', ':', '--noheadings', '--units', 'b', | |
139 | '--unbuffered', '--nosuffix', '--options', | |
140 | 'vg_name,lv_name,lv_size,lv_attr,pool_lv,data_percent,metadata_percent,snap_percent,uuid,tags,metadata_size']; | |
141 | ||
142 | push @$cmd, $vgname if $vgname; | |
143 | ||
144 | my $lvs = {}; | |
145 | run_command($cmd, outfunc => sub { | |
146 | my $line = shift; | |
147 | ||
148 | $line = trim($line); | |
149 | ||
150 | my ($vg_name, $lv_name, $lv_size, $lv_attr, $pool_lv, $data_percent, $meta_percent, $snap_percent, $uuid, $tags, $meta_size) = split(':', $line); | |
151 | return if !$vg_name; | |
152 | return if !$lv_name; | |
153 | ||
154 | my $lv_type = substr($lv_attr, 0, 1); | |
155 | ||
156 | my $d = { | |
157 | lv_size => int($lv_size), | |
158 | lv_type => $lv_type, | |
159 | }; | |
160 | $d->{pool_lv} = $pool_lv if $pool_lv; | |
161 | $d->{tags} = $tags if $tags; | |
162 | ||
163 | if ($lv_type eq 't') { | |
164 | $data_percent ||= 0; | |
165 | $meta_percent ||= 0; | |
166 | $snap_percent ||= 0; | |
167 | $d->{metadata_size} = int($meta_size); | |
168 | $d->{metadata_used} = int(($meta_percent * $meta_size)/100); | |
169 | $d->{used} = int(($data_percent * $lv_size)/100); | |
170 | } | |
171 | $lvs->{$vg_name}->{$lv_name} = $d; | |
172 | }); | |
173 | ||
174 | return $lvs; | |
175 | } | |
176 | ||
177 | # Configuration | |
178 | ||
179 | sub type { | |
180 | return 'lvm'; | |
181 | } | |
182 | ||
183 | sub plugindata { | |
184 | return { | |
185 | content => [ {images => 1, rootdir => 1}, { images => 1 }], | |
186 | }; | |
187 | } | |
188 | ||
189 | sub properties { | |
190 | return { | |
191 | vgname => { | |
192 | description => "Volume group name.", | |
193 | type => 'string', format => 'pve-storage-vgname', | |
194 | }, | |
195 | base => { | |
196 | description => "Base volume. This volume is automatically activated.", | |
197 | type => 'string', format => 'pve-volume-id', | |
198 | }, | |
199 | saferemove => { | |
200 | description => "Zero-out data when removing LVs.", | |
201 | type => 'boolean', | |
202 | }, | |
203 | saferemove_throughput => { | |
204 | description => "Wipe throughput (cstream -t parameter value).", | |
205 | type => 'string', | |
206 | }, | |
207 | tagged_only => { | |
208 | description => "Only use logical volumes tagged with 'pve-vm-ID'.", | |
209 | type => 'boolean', | |
210 | } | |
211 | }; | |
212 | } | |
213 | ||
214 | sub options { | |
215 | return { | |
216 | vgname => { fixed => 1 }, | |
217 | nodes => { optional => 1 }, | |
218 | shared => { optional => 1 }, | |
219 | disable => { optional => 1 }, | |
220 | saferemove => { optional => 1 }, | |
221 | saferemove_throughput => { optional => 1 }, | |
222 | content => { optional => 1 }, | |
223 | base => { fixed => 1, optional => 1 }, | |
224 | tagged_only => { optional => 1 }, | |
225 | bwlimit => { optional => 1 }, | |
226 | }; | |
227 | } | |
228 | ||
229 | # Storage implementation | |
230 | ||
231 | sub on_add_hook { | |
232 | my ($class, $storeid, $scfg, %param) = @_; | |
233 | ||
234 | if (my $base = $scfg->{base}) { | |
235 | my ($baseid, $volname) = PVE::Storage::parse_volume_id($base); | |
236 | ||
237 | my $cfg = PVE::Storage::config(); | |
238 | my $basecfg = PVE::Storage::storage_config ($cfg, $baseid, 1); | |
239 | die "base storage ID '$baseid' does not exist\n" if !$basecfg; | |
240 | ||
241 | # we only support iscsi for now | |
242 | die "unsupported base type '$basecfg->{type}'" | |
243 | if $basecfg->{type} ne 'iscsi'; | |
244 | ||
245 | my $path = PVE::Storage::path($cfg, $base); | |
246 | ||
247 | PVE::Storage::activate_storage($cfg, $baseid); | |
248 | ||
249 | lvm_create_volume_group($path, $scfg->{vgname}, $scfg->{shared}); | |
250 | } | |
251 | } | |
252 | ||
253 | sub parse_volname { | |
254 | my ($class, $volname) = @_; | |
255 | ||
256 | PVE::Storage::Plugin::parse_lvm_name($volname); | |
257 | ||
258 | if ($volname =~ m/^(vm-(\d+)-\S+)$/) { | |
259 | return ('images', $1, $2, undef, undef, undef, 'raw'); | |
260 | } | |
261 | ||
262 | die "unable to parse lvm volume name '$volname'\n"; | |
263 | } | |
264 | ||
265 | sub filesystem_path { | |
266 | my ($class, $scfg, $volname, $snapname) = @_; | |
267 | ||
268 | die "lvm snapshot is not implemented"if defined($snapname); | |
269 | ||
270 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
271 | ||
272 | my $vg = $scfg->{vgname}; | |
273 | ||
274 | my $path = "/dev/$vg/$name"; | |
275 | ||
276 | return wantarray ? ($path, $vmid, $vtype) : $path; | |
277 | } | |
278 | ||
279 | sub create_base { | |
280 | my ($class, $storeid, $scfg, $volname) = @_; | |
281 | ||
282 | die "can't create base images in lvm storage\n"; | |
283 | } | |
284 | ||
285 | sub clone_image { | |
286 | my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_; | |
287 | ||
288 | die "can't clone images in lvm storage\n"; | |
289 | } | |
290 | ||
291 | sub lvm_find_free_diskname { | |
292 | my ($lvs, $vg, $storeid, $vmid) = @_; | |
293 | ||
294 | my $name; | |
295 | ||
296 | for (my $i = 1; $i < 100; $i++) { | |
297 | my $tn = "vm-$vmid-disk-$i"; | |
298 | if (!defined ($lvs->{$vg}->{$tn})) { | |
299 | $name = $tn; | |
300 | last; | |
301 | } | |
302 | } | |
303 | ||
304 | die "unable to allocate an image name for ID $vmid in storage '$storeid'\n" | |
305 | if !$name; | |
306 | ||
307 | return $name; | |
308 | } | |
309 | ||
310 | sub alloc_image { | |
311 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
312 | ||
313 | die "unsupported format '$fmt'" if $fmt ne 'raw'; | |
314 | ||
315 | die "illegal name '$name' - sould be 'vm-$vmid-*'\n" | |
316 | if $name && $name !~ m/^vm-$vmid-/; | |
317 | ||
318 | my $vgs = lvm_vgs(); | |
319 | ||
320 | my $vg = $scfg->{vgname}; | |
321 | ||
322 | die "no such volume group '$vg'\n" if !defined ($vgs->{$vg}); | |
323 | ||
324 | my $free = int($vgs->{$vg}->{free}); | |
325 | ||
326 | die "not enough free space ($free < $size)\n" if $free < $size; | |
327 | ||
328 | $name = lvm_find_free_diskname(lvm_list_volumes($vg), $vg, $storeid, $vmid) | |
329 | if !$name; | |
330 | ||
331 | my $cmd = ['/sbin/lvcreate', '-aly', '--addtag', "pve-vm-$vmid", '--size', "${size}k", '--name', $name, $vg]; | |
332 | ||
333 | run_command($cmd, errmsg => "lvcreate '$vg/pve-vm-$vmid' error"); | |
334 | ||
335 | return $name; | |
336 | } | |
337 | ||
338 | sub free_image { | |
339 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; | |
340 | ||
341 | my $vg = $scfg->{vgname}; | |
342 | ||
343 | # we need to zero out LVM data for security reasons | |
344 | # and to allow thin provisioning | |
345 | ||
346 | my $zero_out_worker = sub { | |
347 | print "zero-out data on image $volname (/dev/$vg/del-$volname)\n"; | |
348 | ||
349 | # wipe throughput up to 10MB/s by default; may be overwritten with saferemove_throughput | |
350 | my $throughput = '-10485760'; | |
351 | if ($scfg->{saferemove_throughput}) { | |
352 | $throughput = $scfg->{saferemove_throughput}; | |
353 | } | |
354 | ||
355 | my $cmd = [ | |
356 | '/usr/bin/cstream', | |
357 | '-i', '/dev/zero', | |
358 | '-o', "/dev/$vg/del-$volname", | |
359 | '-T', '10', | |
360 | '-v', '1', | |
361 | '-b', '1048576', | |
362 | '-t', "$throughput" | |
363 | ]; | |
364 | eval { run_command($cmd, errmsg => "zero out finished (note: 'No space left on device' is ok here)"); }; | |
365 | warn $@ if $@; | |
366 | ||
367 | $class->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
368 | my $cmd = ['/sbin/lvremove', '-f', "$vg/del-$volname"]; | |
369 | run_command($cmd, errmsg => "lvremove '$vg/del-$volname' error"); | |
370 | }); | |
371 | print "successfully removed volume $volname ($vg/del-$volname)\n"; | |
372 | }; | |
373 | ||
374 | my $cmd = ['/sbin/lvchange', '-aly', "$vg/$volname"]; | |
375 | run_command($cmd, errmsg => "can't activate LV '$vg/$volname' to zero-out its data"); | |
376 | ||
377 | if ($scfg->{saferemove}) { | |
378 | # avoid long running task, so we only rename here | |
379 | $cmd = ['/sbin/lvrename', $vg, $volname, "del-$volname"]; | |
380 | run_command($cmd, errmsg => "lvrename '$vg/$volname' error"); | |
381 | return $zero_out_worker; | |
382 | } else { | |
383 | my $tmpvg = $scfg->{vgname}; | |
384 | $cmd = ['/sbin/lvremove', '-f', "$tmpvg/$volname"]; | |
385 | run_command($cmd, errmsg => "lvremove '$tmpvg/$volname' error"); | |
386 | } | |
387 | ||
388 | return undef; | |
389 | } | |
390 | ||
391 | my $check_tags = sub { | |
392 | my ($tags) = @_; | |
393 | ||
394 | return defined($tags) && $tags =~ /(^|,)pve-vm-\d+(,|$)/; | |
395 | }; | |
396 | ||
397 | sub list_images { | |
398 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
399 | ||
400 | my $vgname = $scfg->{vgname}; | |
401 | ||
402 | $cache->{lvs} = lvm_list_volumes() if !$cache->{lvs}; | |
403 | ||
404 | my $res = []; | |
405 | ||
406 | if (my $dat = $cache->{lvs}->{$vgname}) { | |
407 | ||
408 | foreach my $volname (keys %$dat) { | |
409 | ||
410 | next if $volname !~ m/^vm-(\d+)-/; | |
411 | my $owner = $1; | |
412 | ||
413 | my $info = $dat->{$volname}; | |
414 | ||
415 | next if $scfg->{tagged_only} && !&$check_tags($info->{tags}); | |
416 | ||
417 | next if $info->{lv_type} ne '-'; | |
418 | ||
419 | my $volid = "$storeid:$volname"; | |
420 | ||
421 | if ($vollist) { | |
422 | my $found = grep { $_ eq $volid } @$vollist; | |
423 | next if !$found; | |
424 | } else { | |
425 | next if defined($vmid) && ($owner ne $vmid); | |
426 | } | |
427 | ||
428 | push @$res, { | |
429 | volid => $volid, format => 'raw', size => $info->{lv_size}, vmid => $owner, | |
430 | }; | |
431 | } | |
432 | } | |
433 | ||
434 | return $res; | |
435 | } | |
436 | ||
437 | sub status { | |
438 | my ($class, $storeid, $scfg, $cache) = @_; | |
439 | ||
440 | $cache->{vgs} = lvm_vgs() if !$cache->{vgs}; | |
441 | ||
442 | my $vgname = $scfg->{vgname}; | |
443 | ||
444 | if (my $info = $cache->{vgs}->{$vgname}) { | |
445 | return ($info->{size}, $info->{free}, $info->{size} - $info->{free}, 1); | |
446 | } | |
447 | ||
448 | return undef; | |
449 | } | |
450 | ||
451 | sub activate_storage { | |
452 | my ($class, $storeid, $scfg, $cache) = @_; | |
453 | ||
454 | $cache->{vgs} = lvm_vgs() if !$cache->{vgs}; | |
455 | ||
456 | # In LVM2, vgscans take place automatically; | |
457 | # this is just to be sure | |
458 | if ($cache->{vgs} && !$cache->{vgscaned} && | |
459 | !$cache->{vgs}->{$scfg->{vgname}}) { | |
460 | $cache->{vgscaned} = 1; | |
461 | my $cmd = ['/sbin/vgscan', '--ignorelockingfailure', '--mknodes']; | |
462 | eval { run_command($cmd, outfunc => sub {}); }; | |
463 | warn $@ if $@; | |
464 | } | |
465 | ||
466 | # we do not acticate any volumes here ('vgchange -aly') | |
467 | # instead, volumes are activate individually later | |
468 | } | |
469 | ||
470 | sub deactivate_storage { | |
471 | my ($class, $storeid, $scfg, $cache) = @_; | |
472 | ||
473 | my $cmd = ['/sbin/vgchange', '-aln', $scfg->{vgname}]; | |
474 | run_command($cmd, errmsg => "can't deactivate VG '$scfg->{vgname}'"); | |
475 | } | |
476 | ||
477 | sub activate_volume { | |
478 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
479 | #fix me lvmchange is not provided on | |
480 | my $path = $class->path($scfg, $volname, $snapname); | |
481 | ||
482 | my $lvm_activate_mode = 'ey'; | |
483 | ||
484 | my $cmd = ['/sbin/lvchange', "-a$lvm_activate_mode", $path]; | |
485 | run_command($cmd, errmsg => "can't activate LV '$path'"); | |
486 | } | |
487 | ||
488 | sub deactivate_volume { | |
489 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
490 | ||
491 | my $path = $class->path($scfg, $volname, $snapname); | |
492 | return if ! -b $path; | |
493 | ||
494 | my $cmd = ['/sbin/lvchange', '-aln', $path]; | |
495 | run_command($cmd, errmsg => "can't deactivate LV '$path'"); | |
496 | } | |
497 | ||
498 | sub volume_resize { | |
499 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
500 | ||
501 | $size = ($size/1024/1024) . "M"; | |
502 | ||
503 | my $path = $class->path($scfg, $volname); | |
504 | my $cmd = ['/sbin/lvextend', '-L', $size, $path]; | |
505 | run_command($cmd, errmsg => "error resizing volume '$path'"); | |
506 | ||
507 | return 1; | |
508 | } | |
509 | ||
510 | sub volume_snapshot { | |
511 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
512 | ||
513 | die "lvm snapshot is not implemented"; | |
514 | } | |
515 | ||
516 | sub volume_snapshot_rollback { | |
517 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
518 | ||
519 | die "lvm snapshot rollback is not implemented"; | |
520 | } | |
521 | ||
522 | sub volume_snapshot_delete { | |
523 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
524 | ||
525 | die "lvm snapshot delete is not implemented"; | |
526 | } | |
527 | ||
528 | sub volume_has_feature { | |
529 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
530 | ||
531 | my $features = { | |
532 | copy => { base => 1, current => 1}, | |
533 | }; | |
534 | ||
535 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
536 | $class->parse_volname($volname); | |
537 | ||
538 | my $key = undef; | |
539 | if($snapname){ | |
540 | $key = 'snap'; | |
541 | }else{ | |
542 | $key = $isBase ? 'base' : 'current'; | |
543 | } | |
544 | return 1 if $features->{$feature}->{$key}; | |
545 | ||
546 | return undef; | |
547 | } | |
548 | ||
549 | sub volume_export_formats { | |
550 | my ($class, $scfg, $storeid, $volname, $snapshot, $base_snapshot, $with_snapshots) = @_; | |
551 | return () if defined($snapshot); # lvm-thin only | |
552 | return volume_import_formats($class, $scfg, $storeid, $volname, $base_snapshot, $with_snapshots); | |
553 | } | |
554 | ||
555 | sub volume_export { | |
556 | my ($class, $scfg, $storeid, $fh, $volname, $format, $snapshot, $base_snapshot, $with_snapshots) = @_; | |
557 | die "volume export format $format not available for $class\n" | |
558 | if $format ne 'raw+size'; | |
559 | die "cannot export volumes together with their snapshots in $class\n" | |
560 | if $with_snapshots; | |
561 | die "cannot export a snapshot in $class\n" if defined($snapshot); | |
562 | die "cannot export an incremental stream in $class\n" if defined($base_snapshot); | |
563 | my $file = $class->path($scfg, $volname, $storeid); | |
564 | my $size; | |
565 | # should be faster than querying LVM, also checks for the device file's availability | |
566 | run_command(['/sbin/blockdev', '--getsize64', $file], outfunc => sub { | |
567 | my ($line) = @_; | |
568 | die "unexpected output from /sbin/blockdev: $line\n" if $line !~ /^(\d+)$/; | |
569 | $size = int($1); | |
570 | }); | |
571 | PVE::Storage::Plugin::write_common_header($fh, $size); | |
572 | run_command(['dd', "if=$file", "bs=64k"], output => '>&'.fileno($fh)); | |
573 | } | |
574 | ||
575 | sub volume_import_formats { | |
576 | my ($class, $scfg, $storeid, $volname, $base_snapshot, $with_snapshots) = @_; | |
577 | return () if $with_snapshots; # not supported | |
578 | return () if defined($base_snapshot); # not supported | |
579 | return ('raw+size'); | |
580 | } | |
581 | ||
582 | sub volume_import { | |
583 | my ($class, $scfg, $storeid, $fh, $volname, $format, $base_snapshot, $with_snapshots) = @_; | |
584 | die "volume import format $format not available for $class\n" | |
585 | if $format ne 'raw+size'; | |
586 | die "cannot import volumes together with their snapshots in $class\n" | |
587 | if $with_snapshots; | |
588 | die "cannot import an incremental stream in $class\n" if defined($base_snapshot); | |
589 | ||
590 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $file_format) = | |
591 | $class->parse_volname($volname); | |
592 | die "cannot import format $format into a file of format $file_format\n" | |
593 | if $file_format ne 'raw'; | |
594 | ||
595 | my $vg = $scfg->{vgname}; | |
596 | my $lvs = lvm_list_volumes($vg); | |
597 | die "volume $vg/$volname already exists\n" | |
598 | if $lvs->{$vg}->{$volname}; | |
599 | ||
600 | my ($size) = PVE::Storage::Plugin::read_common_header($fh); | |
601 | $size = int($size/1024); | |
602 | ||
603 | eval { | |
604 | my $allocname = $class->alloc_image($storeid, $scfg, $vmid, 'raw', $name, $size); | |
605 | if ($allocname ne $volname) { | |
606 | my $oldname = $volname; | |
607 | $volname = $allocname; # Let the cleanup code know what to free | |
608 | die "internal error: unexpected allocated name: '$allocname' != '$oldname'\n"; | |
609 | } | |
610 | my $file = $class->path($scfg, $volname, $storeid) | |
611 | or die "internal error: failed to get path to newly allocated volume $volname\n"; | |
612 | run_command(['dd', "of=$file", 'conv=sparse', 'bs=64k'], | |
613 | input => '<&'.fileno($fh)); | |
614 | }; | |
615 | if (my $err = $@) { | |
616 | eval { $class->free_image($storeid, $scfg, $volname, 0) }; | |
617 | warn $@ if $@; | |
618 | die $err; | |
619 | } | |
620 | } | |
621 | ||
622 | 1; |