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e0fd2b2f FE |
1 | package PVE::QemuServer::Drive; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
6 | use PVE::Storage; | |
7 | use PVE::JSONSchema qw(get_standard_option); | |
8 | ||
9 | use base qw(Exporter); | |
10 | ||
11 | our @EXPORT_OK = qw( | |
12 | is_valid_drivename | |
13 | drive_is_cloudinit | |
14 | drive_is_cdrom | |
15 | parse_drive | |
16 | print_drive | |
e0fd2b2f FE |
17 | ); |
18 | ||
19 | our $QEMU_FORMAT_RE = qr/raw|cow|qcow|qcow2|qed|vmdk|cloop/; | |
20 | ||
21 | PVE::JSONSchema::register_standard_option('pve-qm-image-format', { | |
22 | type => 'string', | |
23 | enum => [qw(raw cow qcow qed qcow2 vmdk cloop)], | |
24 | description => "The drive's backing file's data format.", | |
25 | optional => 1, | |
26 | }); | |
27 | ||
28 | my $MAX_IDE_DISKS = 4; | |
29 | my $MAX_SCSI_DISKS = 31; | |
30 | my $MAX_VIRTIO_DISKS = 16; | |
31 | our $MAX_SATA_DISKS = 6; | |
32 | our $MAX_UNUSED_DISKS = 256; | |
33 | ||
34 | our $drivedesc_hash; | |
35 | ||
36 | my %drivedesc_base = ( | |
37 | volume => { alias => 'file' }, | |
38 | file => { | |
39 | type => 'string', | |
40 | format => 'pve-volume-id-or-qm-path', | |
41 | default_key => 1, | |
42 | format_description => 'volume', | |
43 | description => "The drive's backing volume.", | |
44 | }, | |
45 | media => { | |
46 | type => 'string', | |
47 | enum => [qw(cdrom disk)], | |
48 | description => "The drive's media type.", | |
49 | default => 'disk', | |
50 | optional => 1 | |
51 | }, | |
52 | cyls => { | |
53 | type => 'integer', | |
54 | description => "Force the drive's physical geometry to have a specific cylinder count.", | |
55 | optional => 1 | |
56 | }, | |
57 | heads => { | |
58 | type => 'integer', | |
59 | description => "Force the drive's physical geometry to have a specific head count.", | |
60 | optional => 1 | |
61 | }, | |
62 | secs => { | |
63 | type => 'integer', | |
64 | description => "Force the drive's physical geometry to have a specific sector count.", | |
65 | optional => 1 | |
66 | }, | |
67 | trans => { | |
68 | type => 'string', | |
69 | enum => [qw(none lba auto)], | |
70 | description => "Force disk geometry bios translation mode.", | |
71 | optional => 1, | |
72 | }, | |
73 | snapshot => { | |
74 | type => 'boolean', | |
75 | description => "Controls qemu's snapshot mode feature." | |
76 | . " If activated, changes made to the disk are temporary and will" | |
77 | . " be discarded when the VM is shutdown.", | |
78 | optional => 1, | |
79 | }, | |
80 | cache => { | |
81 | type => 'string', | |
82 | enum => [qw(none writethrough writeback unsafe directsync)], | |
83 | description => "The drive's cache mode", | |
84 | optional => 1, | |
85 | }, | |
86 | format => get_standard_option('pve-qm-image-format'), | |
87 | size => { | |
88 | type => 'string', | |
89 | format => 'disk-size', | |
90 | format_description => 'DiskSize', | |
91 | description => "Disk size. This is purely informational and has no effect.", | |
92 | optional => 1, | |
93 | }, | |
94 | backup => { | |
95 | type => 'boolean', | |
96 | description => "Whether the drive should be included when making backups.", | |
97 | optional => 1, | |
98 | }, | |
99 | replicate => { | |
100 | type => 'boolean', | |
101 | description => 'Whether the drive should considered for replication jobs.', | |
102 | optional => 1, | |
103 | default => 1, | |
104 | }, | |
105 | rerror => { | |
106 | type => 'string', | |
107 | enum => [qw(ignore report stop)], | |
108 | description => 'Read error action.', | |
109 | optional => 1, | |
110 | }, | |
111 | werror => { | |
112 | type => 'string', | |
113 | enum => [qw(enospc ignore report stop)], | |
114 | description => 'Write error action.', | |
115 | optional => 1, | |
116 | }, | |
117 | aio => { | |
118 | type => 'string', | |
119 | enum => [qw(native threads)], | |
120 | description => 'AIO type to use.', | |
121 | optional => 1, | |
122 | }, | |
123 | discard => { | |
124 | type => 'string', | |
125 | enum => [qw(ignore on)], | |
126 | description => 'Controls whether to pass discard/trim requests to the underlying storage.', | |
127 | optional => 1, | |
128 | }, | |
129 | detect_zeroes => { | |
130 | type => 'boolean', | |
131 | description => 'Controls whether to detect and try to optimize writes of zeroes.', | |
132 | optional => 1, | |
133 | }, | |
134 | serial => { | |
135 | type => 'string', | |
136 | format => 'urlencoded', | |
137 | format_description => 'serial', | |
138 | maxLength => 20*3, # *3 since it's %xx url enoded | |
139 | description => "The drive's reported serial number, url-encoded, up to 20 bytes long.", | |
140 | optional => 1, | |
141 | }, | |
142 | shared => { | |
143 | type => 'boolean', | |
144 | description => 'Mark this locally-managed volume as available on all nodes', | |
145 | verbose_description => "Mark this locally-managed volume as available on all nodes.\n\nWARNING: This option does not share the volume automatically, it assumes it is shared already!", | |
146 | optional => 1, | |
147 | default => 0, | |
148 | } | |
149 | ); | |
150 | ||
151 | my %iothread_fmt = ( iothread => { | |
152 | type => 'boolean', | |
153 | description => "Whether to use iothreads for this drive", | |
154 | optional => 1, | |
155 | }); | |
156 | ||
157 | my %model_fmt = ( | |
158 | model => { | |
159 | type => 'string', | |
160 | format => 'urlencoded', | |
161 | format_description => 'model', | |
162 | maxLength => 40*3, # *3 since it's %xx url enoded | |
163 | description => "The drive's reported model name, url-encoded, up to 40 bytes long.", | |
164 | optional => 1, | |
165 | }, | |
166 | ); | |
167 | ||
168 | my %queues_fmt = ( | |
169 | queues => { | |
170 | type => 'integer', | |
171 | description => "Number of queues.", | |
172 | minimum => 2, | |
173 | optional => 1 | |
174 | } | |
175 | ); | |
176 | ||
177 | my %scsiblock_fmt = ( | |
178 | scsiblock => { | |
179 | type => 'boolean', | |
180 | description => "whether to use scsi-block for full passthrough of host block device\n\nWARNING: can lead to I/O errors in combination with low memory or high memory fragmentation on host", | |
181 | optional => 1, | |
182 | default => 0, | |
183 | }, | |
184 | ); | |
185 | ||
186 | my %ssd_fmt = ( | |
187 | ssd => { | |
188 | type => 'boolean', | |
189 | description => "Whether to expose this drive as an SSD, rather than a rotational hard disk.", | |
190 | optional => 1, | |
191 | }, | |
192 | ); | |
193 | ||
194 | my %wwn_fmt = ( | |
195 | wwn => { | |
196 | type => 'string', | |
197 | pattern => qr/^(0x)[0-9a-fA-F]{16}/, | |
198 | format_description => 'wwn', | |
199 | description => "The drive's worldwide name, encoded as 16 bytes hex string, prefixed by '0x'.", | |
200 | optional => 1, | |
201 | }, | |
202 | ); | |
203 | ||
204 | my $add_throttle_desc = sub { | |
205 | my ($key, $type, $what, $unit, $longunit, $minimum) = @_; | |
206 | my $d = { | |
207 | type => $type, | |
208 | format_description => $unit, | |
209 | description => "Maximum $what in $longunit.", | |
210 | optional => 1, | |
211 | }; | |
212 | $d->{minimum} = $minimum if defined($minimum); | |
213 | $drivedesc_base{$key} = $d; | |
214 | }; | |
215 | # throughput: (leaky bucket) | |
216 | $add_throttle_desc->('bps', 'integer', 'r/w speed', 'bps', 'bytes per second'); | |
217 | $add_throttle_desc->('bps_rd', 'integer', 'read speed', 'bps', 'bytes per second'); | |
218 | $add_throttle_desc->('bps_wr', 'integer', 'write speed', 'bps', 'bytes per second'); | |
219 | $add_throttle_desc->('mbps', 'number', 'r/w speed', 'mbps', 'megabytes per second'); | |
220 | $add_throttle_desc->('mbps_rd', 'number', 'read speed', 'mbps', 'megabytes per second'); | |
221 | $add_throttle_desc->('mbps_wr', 'number', 'write speed', 'mbps', 'megabytes per second'); | |
222 | $add_throttle_desc->('iops', 'integer', 'r/w I/O', 'iops', 'operations per second'); | |
223 | $add_throttle_desc->('iops_rd', 'integer', 'read I/O', 'iops', 'operations per second'); | |
224 | $add_throttle_desc->('iops_wr', 'integer', 'write I/O', 'iops', 'operations per second'); | |
225 | ||
226 | # pools: (pool of IO before throttling starts taking effect) | |
227 | $add_throttle_desc->('mbps_max', 'number', 'unthrottled r/w pool', 'mbps', 'megabytes per second'); | |
228 | $add_throttle_desc->('mbps_rd_max', 'number', 'unthrottled read pool', 'mbps', 'megabytes per second'); | |
229 | $add_throttle_desc->('mbps_wr_max', 'number', 'unthrottled write pool', 'mbps', 'megabytes per second'); | |
230 | $add_throttle_desc->('iops_max', 'integer', 'unthrottled r/w I/O pool', 'iops', 'operations per second'); | |
231 | $add_throttle_desc->('iops_rd_max', 'integer', 'unthrottled read I/O pool', 'iops', 'operations per second'); | |
232 | $add_throttle_desc->('iops_wr_max', 'integer', 'unthrottled write I/O pool', 'iops', 'operations per second'); | |
233 | ||
234 | # burst lengths | |
235 | $add_throttle_desc->('bps_max_length', 'integer', 'length of I/O bursts', 'seconds', 'seconds', 1); | |
236 | $add_throttle_desc->('bps_rd_max_length', 'integer', 'length of read I/O bursts', 'seconds', 'seconds', 1); | |
237 | $add_throttle_desc->('bps_wr_max_length', 'integer', 'length of write I/O bursts', 'seconds', 'seconds', 1); | |
238 | $add_throttle_desc->('iops_max_length', 'integer', 'length of I/O bursts', 'seconds', 'seconds', 1); | |
239 | $add_throttle_desc->('iops_rd_max_length', 'integer', 'length of read I/O bursts', 'seconds', 'seconds', 1); | |
240 | $add_throttle_desc->('iops_wr_max_length', 'integer', 'length of write I/O bursts', 'seconds', 'seconds', 1); | |
241 | ||
242 | # legacy support | |
243 | $drivedesc_base{'bps_rd_length'} = { alias => 'bps_rd_max_length' }; | |
244 | $drivedesc_base{'bps_wr_length'} = { alias => 'bps_wr_max_length' }; | |
245 | $drivedesc_base{'iops_rd_length'} = { alias => 'iops_rd_max_length' }; | |
246 | $drivedesc_base{'iops_wr_length'} = { alias => 'iops_wr_max_length' }; | |
247 | ||
248 | my $ide_fmt = { | |
249 | %drivedesc_base, | |
250 | %model_fmt, | |
251 | %ssd_fmt, | |
252 | %wwn_fmt, | |
253 | }; | |
254 | PVE::JSONSchema::register_format("pve-qm-ide", $ide_fmt); | |
255 | ||
98c3d99e FE |
256 | my $ALLOCATION_SYNTAX_DESC = |
257 | "Use the special syntax STORAGE_ID:SIZE_IN_GiB to allocate a new volume."; | |
258 | ||
e0fd2b2f FE |
259 | my $idedesc = { |
260 | optional => 1, | |
261 | type => 'string', format => $ide_fmt, | |
98c3d99e FE |
262 | description => "Use volume as IDE hard disk or CD-ROM (n is 0 to " .($MAX_IDE_DISKS -1) . "). " . |
263 | $ALLOCATION_SYNTAX_DESC, | |
e0fd2b2f FE |
264 | }; |
265 | PVE::JSONSchema::register_standard_option("pve-qm-ide", $idedesc); | |
266 | ||
267 | my $scsi_fmt = { | |
268 | %drivedesc_base, | |
269 | %iothread_fmt, | |
270 | %queues_fmt, | |
271 | %scsiblock_fmt, | |
272 | %ssd_fmt, | |
273 | %wwn_fmt, | |
274 | }; | |
275 | my $scsidesc = { | |
276 | optional => 1, | |
277 | type => 'string', format => $scsi_fmt, | |
98c3d99e FE |
278 | description => "Use volume as SCSI hard disk or CD-ROM (n is 0 to " . ($MAX_SCSI_DISKS - 1) . "). " . |
279 | $ALLOCATION_SYNTAX_DESC, | |
e0fd2b2f FE |
280 | }; |
281 | PVE::JSONSchema::register_standard_option("pve-qm-scsi", $scsidesc); | |
282 | ||
283 | my $sata_fmt = { | |
284 | %drivedesc_base, | |
285 | %ssd_fmt, | |
286 | %wwn_fmt, | |
287 | }; | |
288 | my $satadesc = { | |
289 | optional => 1, | |
290 | type => 'string', format => $sata_fmt, | |
98c3d99e FE |
291 | description => "Use volume as SATA hard disk or CD-ROM (n is 0 to " . ($MAX_SATA_DISKS - 1). "). " . |
292 | $ALLOCATION_SYNTAX_DESC, | |
e0fd2b2f FE |
293 | }; |
294 | PVE::JSONSchema::register_standard_option("pve-qm-sata", $satadesc); | |
295 | ||
296 | my $virtio_fmt = { | |
297 | %drivedesc_base, | |
298 | %iothread_fmt, | |
299 | }; | |
300 | my $virtiodesc = { | |
301 | optional => 1, | |
302 | type => 'string', format => $virtio_fmt, | |
98c3d99e FE |
303 | description => "Use volume as VIRTIO hard disk (n is 0 to " . ($MAX_VIRTIO_DISKS - 1) . "). " . |
304 | $ALLOCATION_SYNTAX_DESC, | |
e0fd2b2f FE |
305 | }; |
306 | PVE::JSONSchema::register_standard_option("pve-qm-virtio", $virtiodesc); | |
307 | ||
308 | my $alldrive_fmt = { | |
309 | %drivedesc_base, | |
310 | %iothread_fmt, | |
311 | %model_fmt, | |
312 | %queues_fmt, | |
313 | %scsiblock_fmt, | |
314 | %ssd_fmt, | |
315 | %wwn_fmt, | |
316 | }; | |
317 | ||
318 | my $efidisk_fmt = { | |
319 | volume => { alias => 'file' }, | |
320 | file => { | |
321 | type => 'string', | |
322 | format => 'pve-volume-id-or-qm-path', | |
323 | default_key => 1, | |
324 | format_description => 'volume', | |
325 | description => "The drive's backing volume.", | |
326 | }, | |
327 | format => get_standard_option('pve-qm-image-format'), | |
328 | size => { | |
329 | type => 'string', | |
330 | format => 'disk-size', | |
331 | format_description => 'DiskSize', | |
332 | description => "Disk size. This is purely informational and has no effect.", | |
333 | optional => 1, | |
334 | }, | |
335 | }; | |
336 | ||
337 | my $efidisk_desc = { | |
338 | optional => 1, | |
339 | type => 'string', format => $efidisk_fmt, | |
98c3d99e FE |
340 | description => "Configure a Disk for storing EFI vars. " . |
341 | $ALLOCATION_SYNTAX_DESC . " Note that SIZE_IN_GiB is ignored here " . | |
342 | "and that the default EFI vars are copied to the volume instead.", | |
e0fd2b2f FE |
343 | }; |
344 | ||
345 | PVE::JSONSchema::register_standard_option("pve-qm-efidisk", $efidisk_desc); | |
346 | ||
43c4c7b6 FE |
347 | my $unused_fmt = { |
348 | volume => { alias => 'file' }, | |
349 | file => { | |
350 | type => 'string', | |
351 | format => 'pve-volume-id', | |
352 | default_key => 1, | |
353 | format_description => 'volume', | |
354 | description => "The drive's backing volume.", | |
355 | }, | |
356 | }; | |
357 | ||
358 | my $unuseddesc = { | |
359 | optional => 1, | |
360 | type => 'string', format => $unused_fmt, | |
361 | description => "Reference to unused volumes. This is used internally, and should not be modified manually.", | |
362 | }; | |
363 | ||
e0fd2b2f FE |
364 | for (my $i = 0; $i < $MAX_IDE_DISKS; $i++) { |
365 | $drivedesc_hash->{"ide$i"} = $idedesc; | |
366 | } | |
367 | ||
368 | for (my $i = 0; $i < $MAX_SATA_DISKS; $i++) { | |
369 | $drivedesc_hash->{"sata$i"} = $satadesc; | |
370 | } | |
371 | ||
372 | for (my $i = 0; $i < $MAX_SCSI_DISKS; $i++) { | |
373 | $drivedesc_hash->{"scsi$i"} = $scsidesc; | |
374 | } | |
375 | ||
376 | for (my $i = 0; $i < $MAX_VIRTIO_DISKS; $i++) { | |
377 | $drivedesc_hash->{"virtio$i"} = $virtiodesc; | |
378 | } | |
379 | ||
380 | $drivedesc_hash->{efidisk0} = $efidisk_desc; | |
381 | ||
43c4c7b6 FE |
382 | for (my $i = 0; $i < $MAX_UNUSED_DISKS; $i++) { |
383 | $drivedesc_hash->{"unused$i"} = $unuseddesc; | |
384 | } | |
e0fd2b2f FE |
385 | |
386 | sub valid_drive_names { | |
387 | # order is important - used to autoselect boot disk | |
388 | return ((map { "ide$_" } (0 .. ($MAX_IDE_DISKS - 1))), | |
389 | (map { "scsi$_" } (0 .. ($MAX_SCSI_DISKS - 1))), | |
390 | (map { "virtio$_" } (0 .. ($MAX_VIRTIO_DISKS - 1))), | |
391 | (map { "sata$_" } (0 .. ($MAX_SATA_DISKS - 1))), | |
392 | 'efidisk0'); | |
393 | } | |
394 | ||
395 | sub is_valid_drivename { | |
396 | my $dev = shift; | |
397 | ||
43c4c7b6 | 398 | return defined($drivedesc_hash->{$dev}) && $dev !~ /^unused\d+$/; |
e0fd2b2f FE |
399 | } |
400 | ||
401 | PVE::JSONSchema::register_format('pve-qm-bootdisk', \&verify_bootdisk); | |
402 | sub verify_bootdisk { | |
403 | my ($value, $noerr) = @_; | |
404 | ||
405 | return $value if is_valid_drivename($value); | |
406 | ||
d1c1af4b | 407 | return if $noerr; |
e0fd2b2f FE |
408 | |
409 | die "invalid boot disk '$value'\n"; | |
410 | } | |
411 | ||
412 | sub drive_is_cloudinit { | |
413 | my ($drive) = @_; | |
414 | return $drive->{file} =~ m@[:/]vm-\d+-cloudinit(?:\.$QEMU_FORMAT_RE)?$@; | |
415 | } | |
416 | ||
417 | sub drive_is_cdrom { | |
418 | my ($drive, $exclude_cloudinit) = @_; | |
419 | ||
420 | return 0 if $exclude_cloudinit && drive_is_cloudinit($drive); | |
421 | ||
422 | return $drive && $drive->{media} && ($drive->{media} eq 'cdrom'); | |
423 | } | |
424 | ||
425 | # ideX = [volume=]volume-id[,media=d][,cyls=c,heads=h,secs=s[,trans=t]] | |
426 | # [,snapshot=on|off][,cache=on|off][,format=f][,backup=yes|no] | |
427 | # [,rerror=ignore|report|stop][,werror=enospc|ignore|report|stop] | |
428 | # [,aio=native|threads][,discard=ignore|on][,detect_zeroes=on|off] | |
429 | # [,iothread=on][,serial=serial][,model=model] | |
430 | ||
431 | sub parse_drive { | |
432 | my ($key, $data) = @_; | |
433 | ||
434 | my ($interface, $index); | |
435 | ||
436 | if ($key =~ m/^([^\d]+)(\d+)$/) { | |
437 | $interface = $1; | |
438 | $index = $2; | |
439 | } else { | |
d1c1af4b | 440 | return; |
e0fd2b2f FE |
441 | } |
442 | ||
43c4c7b6 | 443 | if (!defined($drivedesc_hash->{$key})) { |
e0fd2b2f | 444 | warn "invalid drive key: $key\n"; |
d1c1af4b | 445 | return; |
e0fd2b2f | 446 | } |
43c4c7b6 FE |
447 | |
448 | my $desc = $drivedesc_hash->{$key}->{format}; | |
e0fd2b2f | 449 | my $res = eval { PVE::JSONSchema::parse_property_string($desc, $data) }; |
d1c1af4b | 450 | return if !$res; |
e0fd2b2f FE |
451 | $res->{interface} = $interface; |
452 | $res->{index} = $index; | |
453 | ||
454 | my $error = 0; | |
455 | foreach my $opt (qw(bps bps_rd bps_wr)) { | |
456 | if (my $bps = defined(delete $res->{$opt})) { | |
457 | if (defined($res->{"m$opt"})) { | |
458 | warn "both $opt and m$opt specified\n"; | |
459 | ++$error; | |
460 | next; | |
461 | } | |
462 | $res->{"m$opt"} = sprintf("%.3f", $bps / (1024*1024.0)); | |
463 | } | |
464 | } | |
465 | ||
466 | # can't use the schema's 'requires' because of the mbps* => bps* "transforming aliases" | |
467 | for my $requirement ( | |
468 | [mbps_max => 'mbps'], | |
469 | [mbps_rd_max => 'mbps_rd'], | |
470 | [mbps_wr_max => 'mbps_wr'], | |
471 | [miops_max => 'miops'], | |
472 | [miops_rd_max => 'miops_rd'], | |
473 | [miops_wr_max => 'miops_wr'], | |
474 | [bps_max_length => 'mbps_max'], | |
475 | [bps_rd_max_length => 'mbps_rd_max'], | |
476 | [bps_wr_max_length => 'mbps_wr_max'], | |
477 | [iops_max_length => 'iops_max'], | |
478 | [iops_rd_max_length => 'iops_rd_max'], | |
479 | [iops_wr_max_length => 'iops_wr_max']) { | |
480 | my ($option, $requires) = @$requirement; | |
481 | if ($res->{$option} && !$res->{$requires}) { | |
482 | warn "$option requires $requires\n"; | |
483 | ++$error; | |
484 | } | |
485 | } | |
486 | ||
d1c1af4b | 487 | return if $error; |
e0fd2b2f | 488 | |
d1c1af4b TL |
489 | return if $res->{mbps_rd} && $res->{mbps}; |
490 | return if $res->{mbps_wr} && $res->{mbps}; | |
491 | return if $res->{iops_rd} && $res->{iops}; | |
492 | return if $res->{iops_wr} && $res->{iops}; | |
e0fd2b2f FE |
493 | |
494 | if ($res->{media} && ($res->{media} eq 'cdrom')) { | |
d1c1af4b TL |
495 | return if $res->{snapshot} || $res->{trans} || $res->{format}; |
496 | return if $res->{heads} || $res->{secs} || $res->{cyls}; | |
497 | return if $res->{interface} eq 'virtio'; | |
e0fd2b2f FE |
498 | } |
499 | ||
500 | if (my $size = $res->{size}) { | |
d1c1af4b | 501 | return if !defined($res->{size} = PVE::JSONSchema::parse_size($size)); |
e0fd2b2f FE |
502 | } |
503 | ||
504 | return $res; | |
505 | } | |
506 | ||
507 | sub print_drive { | |
508 | my ($drive) = @_; | |
509 | my $skip = [ 'index', 'interface' ]; | |
510 | return PVE::JSONSchema::print_property_string($drive, $alldrive_fmt, $skip); | |
511 | } | |
512 | ||
2141a802 SR |
513 | sub get_bootdisks { |
514 | my ($conf) = @_; | |
515 | ||
f7d1505b TL |
516 | my $bootcfg; |
517 | $bootcfg = PVE::JSONSchema::parse_property_string('pve-qm-boot', $conf->{boot}) if $conf->{boot}; | |
2141a802 SR |
518 | |
519 | if (!defined($bootcfg) || $bootcfg->{legacy}) { | |
520 | return [$conf->{bootdisk}] if $conf->{bootdisk}; | |
521 | return []; | |
522 | } | |
523 | ||
524 | my @list = PVE::Tools::split_list($bootcfg->{order}); | |
525 | @list = grep {is_valid_drivename($_)} @list; | |
526 | return \@list; | |
527 | } | |
528 | ||
776c5f50 | 529 | sub bootdisk_size { |
e0fd2b2f FE |
530 | my ($storecfg, $conf) = @_; |
531 | ||
2141a802 | 532 | my $bootdisks = get_bootdisks($conf); |
d1c1af4b | 533 | return if !@$bootdisks; |
2141a802 | 534 | my $bootdisk = $bootdisks->[0]; |
d1c1af4b | 535 | return if !is_valid_drivename($bootdisk); |
e0fd2b2f | 536 | |
d1c1af4b | 537 | return if !$conf->{$bootdisk}; |
e0fd2b2f FE |
538 | |
539 | my $drive = parse_drive($bootdisk, $conf->{$bootdisk}); | |
d1c1af4b | 540 | return if !defined($drive); |
e0fd2b2f | 541 | |
d1c1af4b | 542 | return if drive_is_cdrom($drive); |
e0fd2b2f FE |
543 | |
544 | my $volid = $drive->{file}; | |
d1c1af4b | 545 | return if !$volid; |
e0fd2b2f FE |
546 | |
547 | return $drive->{size}; | |
548 | } | |
549 | ||
550 | sub update_disksize { | |
9b29cbd0 | 551 | my ($drive, $newsize) = @_; |
e0fd2b2f | 552 | |
d1c1af4b | 553 | return if !defined($newsize); |
e0fd2b2f | 554 | |
63e313f3 | 555 | my $oldsize = $drive->{size} // 0; |
e0fd2b2f | 556 | |
63e313f3 | 557 | if ($newsize != $oldsize) { |
e0fd2b2f FE |
558 | $drive->{size} = $newsize; |
559 | ||
560 | my $old_fmt = PVE::JSONSchema::format_size($oldsize); | |
561 | my $new_fmt = PVE::JSONSchema::format_size($newsize); | |
562 | ||
9b29cbd0 FE |
563 | my $msg = "size of disk '$drive->{file}' updated from $old_fmt to $new_fmt"; |
564 | ||
565 | return ($drive, $msg); | |
e0fd2b2f FE |
566 | } |
567 | ||
d1c1af4b | 568 | return; |
e0fd2b2f FE |
569 | } |
570 | ||
571 | sub is_volume_in_use { | |
572 | my ($storecfg, $conf, $skip_drive, $volid) = @_; | |
573 | ||
574 | my $path = PVE::Storage::path($storecfg, $volid); | |
575 | ||
576 | my $scan_config = sub { | |
577 | my ($cref, $snapname) = @_; | |
578 | ||
579 | foreach my $key (keys %$cref) { | |
580 | my $value = $cref->{$key}; | |
581 | if (is_valid_drivename($key)) { | |
582 | next if $skip_drive && $key eq $skip_drive; | |
583 | my $drive = parse_drive($key, $value); | |
584 | next if !$drive || !$drive->{file} || drive_is_cdrom($drive); | |
585 | return 1 if $volid eq $drive->{file}; | |
586 | if ($drive->{file} =~ m!^/!) { | |
587 | return 1 if $drive->{file} eq $path; | |
588 | } else { | |
589 | my ($storeid, $volname) = PVE::Storage::parse_volume_id($drive->{file}, 1); | |
590 | next if !$storeid; | |
591 | my $scfg = PVE::Storage::storage_config($storecfg, $storeid, 1); | |
592 | next if !$scfg; | |
593 | return 1 if $path eq PVE::Storage::path($storecfg, $drive->{file}, $snapname); | |
594 | } | |
595 | } | |
596 | } | |
597 | ||
598 | return 0; | |
599 | }; | |
600 | ||
601 | return 1 if &$scan_config($conf); | |
602 | ||
603 | undef $skip_drive; | |
604 | ||
605 | foreach my $snapname (keys %{$conf->{snapshots}}) { | |
606 | return 1 if &$scan_config($conf->{snapshots}->{$snapname}, $snapname); | |
607 | } | |
608 | ||
609 | return 0; | |
610 | } | |
611 | ||
612 | sub resolve_first_disk { | |
5cfa9f5f | 613 | my ($conf, $cdrom) = @_; |
e0fd2b2f | 614 | my @disks = valid_drive_names(); |
5cfa9f5f | 615 | foreach my $ds (@disks) { |
e0fd2b2f FE |
616 | next if !$conf->{$ds}; |
617 | my $disk = parse_drive($ds, $conf->{$ds}); | |
5cfa9f5f SR |
618 | next if drive_is_cdrom($disk) xor $cdrom; |
619 | return $ds; | |
e0fd2b2f | 620 | } |
d1c1af4b | 621 | return; |
e0fd2b2f FE |
622 | } |
623 | ||
624 | 1; |