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1 | package PVE::Storage; | |
2 | ||
3 | use strict; | |
4 | use POSIX; | |
5 | use IO::Select; | |
6 | use IO::File; | |
7 | use File::Basename; | |
8 | use File::Path; | |
9 | use Cwd 'abs_path'; | |
10 | use Socket; | |
11 | ||
12 | use PVE::Tools qw(run_command file_read_firstline); | |
13 | use PVE::Cluster qw(cfs_read_file cfs_lock_file); | |
14 | use PVE::Exception qw(raise_param_exc); | |
15 | use PVE::JSONSchema; | |
16 | use PVE::INotify; | |
17 | use PVE::RPCEnvironment; | |
18 | ||
19 | use PVE::Storage::Plugin; | |
20 | use PVE::Storage::DirPlugin; | |
21 | use PVE::Storage::LVMPlugin; | |
22 | use PVE::Storage::NFSPlugin; | |
23 | use PVE::Storage::ISCSIPlugin; | |
24 | use PVE::Storage::RBDPlugin; | |
25 | use PVE::Storage::SheepdogPlugin; | |
26 | use PVE::Storage::ISCSIDirectPlugin; | |
27 | use PVE::Storage::NexentaPlugin; | |
28 | use PVE::Storage::GlusterfsPlugin; | |
29 | ||
30 | # load and initialize all plugins | |
31 | PVE::Storage::DirPlugin->register(); | |
32 | PVE::Storage::LVMPlugin->register(); | |
33 | PVE::Storage::NFSPlugin->register(); | |
34 | PVE::Storage::ISCSIPlugin->register(); | |
35 | PVE::Storage::RBDPlugin->register(); | |
36 | PVE::Storage::SheepdogPlugin->register(); | |
37 | PVE::Storage::ISCSIDirectPlugin->register(); | |
38 | PVE::Storage::NexentaPlugin->register(); | |
39 | PVE::Storage::GlusterfsPlugin->register(); | |
40 | PVE::Storage::Plugin->init(); | |
41 | ||
42 | my $UDEVADM = '/sbin/udevadm'; | |
43 | ||
44 | # PVE::Storage utility functions | |
45 | ||
46 | sub config { | |
47 | return cfs_read_file("storage.cfg"); | |
48 | } | |
49 | ||
50 | sub lock_storage_config { | |
51 | my ($code, $errmsg) = @_; | |
52 | ||
53 | cfs_lock_file("storage.cfg", undef, $code); | |
54 | my $err = $@; | |
55 | if ($err) { | |
56 | $errmsg ? die "$errmsg: $err" : die $err; | |
57 | } | |
58 | } | |
59 | ||
60 | sub storage_config { | |
61 | my ($cfg, $storeid, $noerr) = @_; | |
62 | ||
63 | die "no storage id specified\n" if !$storeid; | |
64 | ||
65 | my $scfg = $cfg->{ids}->{$storeid}; | |
66 | ||
67 | die "storage '$storeid' does not exists\n" if (!$noerr && !$scfg); | |
68 | ||
69 | return $scfg; | |
70 | } | |
71 | ||
72 | sub storage_check_node { | |
73 | my ($cfg, $storeid, $node, $noerr) = @_; | |
74 | ||
75 | my $scfg = storage_config($cfg, $storeid); | |
76 | ||
77 | if ($scfg->{nodes}) { | |
78 | $node = PVE::INotify::nodename() if !$node || ($node eq 'localhost'); | |
79 | if (!$scfg->{nodes}->{$node}) { | |
80 | die "storage '$storeid' is not available on node '$node'\n" if !$noerr; | |
81 | return undef; | |
82 | } | |
83 | } | |
84 | ||
85 | return $scfg; | |
86 | } | |
87 | ||
88 | sub storage_check_enabled { | |
89 | my ($cfg, $storeid, $node, $noerr) = @_; | |
90 | ||
91 | my $scfg = storage_config($cfg, $storeid); | |
92 | ||
93 | if ($scfg->{disable}) { | |
94 | die "storage '$storeid' is disabled\n" if !$noerr; | |
95 | return undef; | |
96 | } | |
97 | ||
98 | return storage_check_node($cfg, $storeid, $node, $noerr); | |
99 | } | |
100 | ||
101 | sub storage_ids { | |
102 | my ($cfg) = @_; | |
103 | ||
104 | return keys %{$cfg->{ids}}; | |
105 | } | |
106 | ||
107 | sub file_size_info { | |
108 | my ($filename, $timeout) = @_; | |
109 | ||
110 | return PVE::Storage::Plugin::file_size_info($filename, $timeout); | |
111 | } | |
112 | ||
113 | sub volume_size_info { | |
114 | my ($cfg, $volid, $timeout) = @_; | |
115 | ||
116 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
117 | if ($storeid) { | |
118 | my $scfg = storage_config($cfg, $storeid); | |
119 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
120 | return $plugin->volume_size_info($scfg, $storeid, $volname, $timeout); | |
121 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
122 | return file_size_info($volid, $timeout); | |
123 | } else { | |
124 | return 0; | |
125 | } | |
126 | } | |
127 | ||
128 | sub volume_resize { | |
129 | my ($cfg, $volid, $size, $running) = @_; | |
130 | ||
131 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
132 | if ($storeid) { | |
133 | my $scfg = storage_config($cfg, $storeid); | |
134 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
135 | return $plugin->volume_resize($scfg, $storeid, $volname, $size, $running); | |
136 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
137 | die "resize device is not possible"; | |
138 | } else { | |
139 | die "can't resize"; | |
140 | } | |
141 | } | |
142 | ||
143 | sub volume_snapshot { | |
144 | my ($cfg, $volid, $snap, $running) = @_; | |
145 | ||
146 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
147 | if ($storeid) { | |
148 | my $scfg = storage_config($cfg, $storeid); | |
149 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
150 | return $plugin->volume_snapshot($scfg, $storeid, $volname, $snap, $running); | |
151 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
152 | die "snapshot device is not possible"; | |
153 | } else { | |
154 | die "can't snapshot"; | |
155 | } | |
156 | } | |
157 | ||
158 | sub volume_snapshot_rollback { | |
159 | my ($cfg, $volid, $snap) = @_; | |
160 | ||
161 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
162 | if ($storeid) { | |
163 | my $scfg = storage_config($cfg, $storeid); | |
164 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
165 | return $plugin->volume_snapshot_rollback($scfg, $storeid, $volname, $snap); | |
166 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
167 | die "snapshot rollback device is not possible"; | |
168 | } else { | |
169 | die "can't snapshot"; | |
170 | } | |
171 | } | |
172 | ||
173 | sub volume_snapshot_delete { | |
174 | my ($cfg, $volid, $snap, $running) = @_; | |
175 | ||
176 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
177 | if ($storeid) { | |
178 | my $scfg = storage_config($cfg, $storeid); | |
179 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
180 | return $plugin->volume_snapshot_delete($scfg, $storeid, $volname, $snap, $running); | |
181 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
182 | die "snapshot delete device is not possible"; | |
183 | } else { | |
184 | die "can't delete snapshot"; | |
185 | } | |
186 | } | |
187 | ||
188 | sub volume_has_feature { | |
189 | my ($cfg, $feature, $volid, $snap, $running) = @_; | |
190 | ||
191 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
192 | if ($storeid) { | |
193 | my $scfg = storage_config($cfg, $storeid); | |
194 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
195 | return $plugin->volume_has_feature($scfg, $feature, $storeid, $volname, $snap, $running); | |
196 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
197 | return undef; | |
198 | } else { | |
199 | return undef; | |
200 | } | |
201 | } | |
202 | ||
203 | sub get_image_dir { | |
204 | my ($cfg, $storeid, $vmid) = @_; | |
205 | ||
206 | my $scfg = storage_config($cfg, $storeid); | |
207 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
208 | ||
209 | my $path = $plugin->get_subdir($scfg, 'images'); | |
210 | ||
211 | return $vmid ? "$path/$vmid" : $path; | |
212 | } | |
213 | ||
214 | sub get_private_dir { | |
215 | my ($cfg, $storeid, $vmid) = @_; | |
216 | ||
217 | my $scfg = storage_config($cfg, $storeid); | |
218 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
219 | ||
220 | my $path = $plugin->get_subdir($scfg, 'rootdir'); | |
221 | ||
222 | return $vmid ? "$path/$vmid" : $path; | |
223 | } | |
224 | ||
225 | sub get_iso_dir { | |
226 | my ($cfg, $storeid) = @_; | |
227 | ||
228 | my $scfg = storage_config($cfg, $storeid); | |
229 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
230 | ||
231 | return $plugin->get_subdir($scfg, 'iso'); | |
232 | } | |
233 | ||
234 | sub get_vztmpl_dir { | |
235 | my ($cfg, $storeid) = @_; | |
236 | ||
237 | my $scfg = storage_config($cfg, $storeid); | |
238 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
239 | ||
240 | return $plugin->get_subdir($scfg, 'vztmpl'); | |
241 | } | |
242 | ||
243 | sub get_backup_dir { | |
244 | my ($cfg, $storeid) = @_; | |
245 | ||
246 | my $scfg = storage_config($cfg, $storeid); | |
247 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
248 | ||
249 | return $plugin->get_subdir($scfg, 'backup'); | |
250 | } | |
251 | ||
252 | # library implementation | |
253 | ||
254 | sub parse_vmid { | |
255 | my $vmid = shift; | |
256 | ||
257 | die "VMID '$vmid' contains illegal characters\n" if $vmid !~ m/^\d+$/; | |
258 | ||
259 | return int($vmid); | |
260 | } | |
261 | ||
262 | sub parse_volname { | |
263 | my ($cfg, $volid) = @_; | |
264 | ||
265 | my ($storeid, $volname) = parse_volume_id($volid); | |
266 | ||
267 | my $scfg = storage_config($cfg, $storeid); | |
268 | ||
269 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
270 | return $plugin->parse_volname($volname); | |
271 | } | |
272 | ||
273 | sub parse_volume_id { | |
274 | my ($volid, $noerr) = @_; | |
275 | ||
276 | return PVE::Storage::Plugin::parse_volume_id($volid, $noerr); | |
277 | } | |
278 | ||
279 | sub volume_is_base { | |
280 | my ($cfg, $volid) = @_; | |
281 | ||
282 | my ($sid, $volname) = parse_volume_id($volid, 1); | |
283 | return 0 if !$sid; | |
284 | ||
285 | if (my $scfg = $cfg->{ids}->{$sid}) { | |
286 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
287 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
288 | $plugin->parse_volname($volname); | |
289 | return $isBase ? 1 : 0; | |
290 | } else { | |
291 | # stale volid with undefined storage - so we can just guess | |
292 | if ($volid =~ m/base-/) { | |
293 | return 1; | |
294 | } | |
295 | } | |
296 | ||
297 | return 0; | |
298 | } | |
299 | ||
300 | # try to map a filesystem path to a volume identifier | |
301 | sub path_to_volume_id { | |
302 | my ($cfg, $path) = @_; | |
303 | ||
304 | my $ids = $cfg->{ids}; | |
305 | ||
306 | my ($sid, $volname) = parse_volume_id($path, 1); | |
307 | if ($sid) { | |
308 | if (my $scfg = $ids->{$sid}) { | |
309 | if ($scfg->{path}) { | |
310 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
311 | my ($vtype, $name, $vmid) = $plugin->parse_volname($volname); | |
312 | return ($vtype, $path); | |
313 | } | |
314 | } | |
315 | return (''); | |
316 | } | |
317 | ||
318 | # Note: abs_path() return undef if $path doesn not exist | |
319 | # for example when nfs storage is not mounted | |
320 | $path = abs_path($path) || $path; | |
321 | ||
322 | foreach my $sid (keys %$ids) { | |
323 | my $scfg = $ids->{$sid}; | |
324 | next if !$scfg->{path}; | |
325 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
326 | my $imagedir = $plugin->get_subdir($scfg, 'images'); | |
327 | my $isodir = $plugin->get_subdir($scfg, 'iso'); | |
328 | my $tmpldir = $plugin->get_subdir($scfg, 'vztmpl'); | |
329 | my $backupdir = $plugin->get_subdir($scfg, 'backup'); | |
330 | my $privatedir = $plugin->get_subdir($scfg, 'rootdir'); | |
331 | ||
332 | if ($path =~ m!^$imagedir/(\d+)/([^/\s]+)$!) { | |
333 | my $vmid = $1; | |
334 | my $name = $2; | |
335 | ||
336 | my $vollist = $plugin->list_images($sid, $scfg, $vmid); | |
337 | foreach my $info (@$vollist) { | |
338 | my ($storeid, $volname) = parse_volume_id($info->{volid}); | |
339 | my $volpath = $plugin->path($scfg, $volname, $storeid); | |
340 | if ($volpath eq $path) { | |
341 | return ('images', $info->{volid}); | |
342 | } | |
343 | } | |
344 | } elsif ($path =~ m!^$isodir/([^/]+\.[Ii][Ss][Oo])$!) { | |
345 | my $name = $1; | |
346 | return ('iso', "$sid:iso/$name"); | |
347 | } elsif ($path =~ m!^$tmpldir/([^/]+\.tar\.gz)$!) { | |
348 | my $name = $1; | |
349 | return ('vztmpl', "$sid:vztmpl/$name"); | |
350 | } elsif ($path =~ m!^$privatedir/(\d+)$!) { | |
351 | my $vmid = $1; | |
352 | return ('rootdir', "$sid:rootdir/$vmid"); | |
353 | } elsif ($path =~ m!^$backupdir/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo))$!) { | |
354 | my $name = $1; | |
355 | return ('iso', "$sid:backup/$name"); | |
356 | } | |
357 | } | |
358 | ||
359 | # can't map path to volume id | |
360 | return (''); | |
361 | } | |
362 | ||
363 | sub path { | |
364 | my ($cfg, $volid, $snapname) = @_; | |
365 | ||
366 | my ($storeid, $volname) = parse_volume_id($volid); | |
367 | ||
368 | my $scfg = storage_config($cfg, $storeid); | |
369 | ||
370 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
371 | my ($path, $owner, $vtype) = $plugin->path($scfg, $volname, $storeid, $snapname); | |
372 | return wantarray ? ($path, $owner, $vtype) : $path; | |
373 | } | |
374 | ||
375 | sub storage_migrate { | |
376 | my ($cfg, $volid, $target_host, $target_storeid, $target_volname) = @_; | |
377 | ||
378 | my ($storeid, $volname) = parse_volume_id($volid); | |
379 | $target_volname = $volname if !$target_volname; | |
380 | ||
381 | my $scfg = storage_config($cfg, $storeid); | |
382 | ||
383 | # no need to migrate shared content | |
384 | return if $storeid eq $target_storeid && $scfg->{shared}; | |
385 | ||
386 | my $tcfg = storage_config($cfg, $target_storeid); | |
387 | ||
388 | my $target_volid = "${target_storeid}:${target_volname}"; | |
389 | ||
390 | my $errstr = "unable to migrate '$volid' to '${target_volid}' on host '$target_host'"; | |
391 | ||
392 | my $sshoptions = "-o 'BatchMode=yes'"; | |
393 | my $ssh = "/usr/bin/ssh $sshoptions"; | |
394 | ||
395 | local $ENV{RSYNC_RSH} = $ssh; | |
396 | ||
397 | # only implemented for file system based storage | |
398 | if ($scfg->{path}) { | |
399 | if ($tcfg->{path}) { | |
400 | ||
401 | my $src_plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
402 | my $dst_plugin = PVE::Storage::Plugin->lookup($tcfg->{type}); | |
403 | my $src = $src_plugin->path($scfg, $volname, $storeid); | |
404 | my $dst = $dst_plugin->path($tcfg, $target_volname, $target_storeid); | |
405 | ||
406 | my $dirname = dirname($dst); | |
407 | ||
408 | if ($tcfg->{shared}) { # we can do a local copy | |
409 | ||
410 | run_command(['/bin/mkdir', '-p', $dirname]); | |
411 | ||
412 | run_command(['/bin/cp', $src, $dst]); | |
413 | ||
414 | } else { | |
415 | ||
416 | run_command(['/usr/bin/ssh', "root\@${target_host}", | |
417 | '/bin/mkdir', '-p', $dirname]); | |
418 | ||
419 | # we use rsync with --sparse, so we can't use --inplace, | |
420 | # so we remove file on the target if it already exists to | |
421 | # save space | |
422 | my ($size, $format) = PVE::Storage::Plugin::file_size_info($src); | |
423 | if ($format && ($format eq 'raw') && $size) { | |
424 | run_command(['/usr/bin/ssh', "root\@${target_host}", | |
425 | 'rm', '-f', $dst], | |
426 | outfunc => sub {}); | |
427 | } | |
428 | ||
429 | my $cmd = ['/usr/bin/rsync', '--progress', '--sparse', '--whole-file', | |
430 | $src, "root\@${target_host}:$dst"]; | |
431 | ||
432 | my $percent = -1; | |
433 | ||
434 | run_command($cmd, outfunc => sub { | |
435 | my $line = shift; | |
436 | ||
437 | if ($line =~ m/^\s*(\d+\s+(\d+)%\s.*)$/) { | |
438 | if ($2 > $percent) { | |
439 | $percent = $2; | |
440 | print "rsync status: $1\n"; | |
441 | *STDOUT->flush(); | |
442 | } | |
443 | } else { | |
444 | print "$line\n"; | |
445 | *STDOUT->flush(); | |
446 | } | |
447 | }); | |
448 | } | |
449 | } else { | |
450 | die "$errstr - target type '$tcfg->{type}' not implemented\n"; | |
451 | } | |
452 | } else { | |
453 | die "$errstr - source type '$scfg->{type}' not implemented\n"; | |
454 | } | |
455 | } | |
456 | ||
457 | sub vdisk_clone { | |
458 | my ($cfg, $volid, $vmid) = @_; | |
459 | ||
460 | my ($storeid, $volname) = parse_volume_id($volid); | |
461 | ||
462 | my $scfg = storage_config($cfg, $storeid); | |
463 | ||
464 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
465 | ||
466 | activate_storage($cfg, $storeid); | |
467 | ||
468 | # lock shared storage | |
469 | return $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
470 | my $volname = $plugin->clone_image($scfg, $storeid, $volname, $vmid); | |
471 | return "$storeid:$volname"; | |
472 | }); | |
473 | } | |
474 | ||
475 | sub vdisk_create_base { | |
476 | my ($cfg, $volid) = @_; | |
477 | ||
478 | my ($storeid, $volname) = parse_volume_id($volid); | |
479 | ||
480 | my $scfg = storage_config($cfg, $storeid); | |
481 | ||
482 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
483 | ||
484 | activate_storage($cfg, $storeid); | |
485 | ||
486 | # lock shared storage | |
487 | return $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
488 | my $volname = $plugin->create_base($storeid, $scfg, $volname); | |
489 | return "$storeid:$volname"; | |
490 | }); | |
491 | } | |
492 | ||
493 | sub vdisk_alloc { | |
494 | my ($cfg, $storeid, $vmid, $fmt, $name, $size) = @_; | |
495 | ||
496 | die "no storage id specified\n" if !$storeid; | |
497 | ||
498 | PVE::JSONSchema::parse_storage_id($storeid); | |
499 | ||
500 | my $scfg = storage_config($cfg, $storeid); | |
501 | ||
502 | die "no VMID specified\n" if !$vmid; | |
503 | ||
504 | $vmid = parse_vmid($vmid); | |
505 | ||
506 | my $defformat = PVE::Storage::Plugin::default_format($scfg); | |
507 | ||
508 | $fmt = $defformat if !$fmt; | |
509 | ||
510 | activate_storage($cfg, $storeid); | |
511 | ||
512 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
513 | ||
514 | # lock shared storage | |
515 | return $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
516 | my $volname = $plugin->alloc_image($storeid, $scfg, $vmid, $fmt, $name, $size); | |
517 | return "$storeid:$volname"; | |
518 | }); | |
519 | } | |
520 | ||
521 | sub vdisk_free { | |
522 | my ($cfg, $volid) = @_; | |
523 | ||
524 | my ($storeid, $volname) = parse_volume_id($volid); | |
525 | ||
526 | my $scfg = storage_config($cfg, $storeid); | |
527 | ||
528 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
529 | ||
530 | activate_storage($cfg, $storeid); | |
531 | ||
532 | my $cleanup_worker; | |
533 | ||
534 | # lock shared storage | |
535 | $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
536 | ||
537 | my ($vtype, $name, $vmid, undef, undef, $isBase) = | |
538 | $plugin->parse_volname($volname); | |
539 | if ($isBase) { | |
540 | my $vollist = $plugin->list_images($storeid, $scfg); | |
541 | foreach my $info (@$vollist) { | |
542 | my (undef, $tmpvolname) = parse_volume_id($info->{volid}); | |
543 | my $basename = undef; | |
544 | my $basevmid = undef; | |
545 | ||
546 | eval{ | |
547 | (undef, undef, undef, $basename, $basevmid) = | |
548 | $plugin->parse_volname($tmpvolname); | |
549 | }; | |
550 | ||
551 | if ($basename && defined($basevmid) && $basevmid == $vmid && $basename eq $name) { | |
552 | die "base volume '$volname' is still in use " . | |
553 | "(use by '$tmpvolname')\n"; | |
554 | } | |
555 | } | |
556 | } | |
557 | my $cleanup_worker = $plugin->free_image($storeid, $scfg, $volname, $isBase); | |
558 | }); | |
559 | ||
560 | return if !$cleanup_worker; | |
561 | ||
562 | my $rpcenv = PVE::RPCEnvironment::get(); | |
563 | my $authuser = $rpcenv->get_user(); | |
564 | ||
565 | $rpcenv->fork_worker('imgdel', undef, $authuser, $cleanup_worker); | |
566 | } | |
567 | ||
568 | #list iso or openvz template ($tt = <iso|vztmpl|backup>) | |
569 | sub template_list { | |
570 | my ($cfg, $storeid, $tt) = @_; | |
571 | ||
572 | die "unknown template type '$tt'\n" | |
573 | if !($tt eq 'iso' || $tt eq 'vztmpl' || $tt eq 'backup'); | |
574 | ||
575 | my $ids = $cfg->{ids}; | |
576 | ||
577 | storage_check_enabled($cfg, $storeid) if ($storeid); | |
578 | ||
579 | my $res = {}; | |
580 | ||
581 | # query the storage | |
582 | ||
583 | foreach my $sid (keys %$ids) { | |
584 | next if $storeid && $storeid ne $sid; | |
585 | ||
586 | my $scfg = $ids->{$sid}; | |
587 | my $type = $scfg->{type}; | |
588 | ||
589 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
590 | ||
591 | next if $tt eq 'iso' && !$scfg->{content}->{iso}; | |
592 | next if $tt eq 'vztmpl' && !$scfg->{content}->{vztmpl}; | |
593 | next if $tt eq 'backup' && !$scfg->{content}->{backup}; | |
594 | ||
595 | activate_storage($cfg, $sid); | |
596 | ||
597 | if ($scfg->{path}) { | |
598 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
599 | ||
600 | my $path = $plugin->get_subdir($scfg, $tt); | |
601 | ||
602 | foreach my $fn (<$path/*>) { | |
603 | ||
604 | my $info; | |
605 | ||
606 | if ($tt eq 'iso') { | |
607 | next if $fn !~ m!/([^/]+\.[Ii][Ss][Oo])$!; | |
608 | ||
609 | $info = { volid => "$sid:iso/$1", format => 'iso' }; | |
610 | ||
611 | } elsif ($tt eq 'vztmpl') { | |
612 | next if $fn !~ m!/([^/]+\.tar\.gz)$!; | |
613 | ||
614 | $info = { volid => "$sid:vztmpl/$1", format => 'tgz' }; | |
615 | ||
616 | } elsif ($tt eq 'backup') { | |
617 | next if $fn !~ m!/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo))$!; | |
618 | ||
619 | $info = { volid => "$sid:backup/$1", format => $2 }; | |
620 | } | |
621 | ||
622 | $info->{size} = -s $fn; | |
623 | ||
624 | push @{$res->{$sid}}, $info; | |
625 | } | |
626 | ||
627 | } | |
628 | ||
629 | @{$res->{$sid}} = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @{$res->{$sid}} if $res->{$sid}; | |
630 | } | |
631 | ||
632 | return $res; | |
633 | } | |
634 | ||
635 | ||
636 | sub vdisk_list { | |
637 | my ($cfg, $storeid, $vmid, $vollist) = @_; | |
638 | ||
639 | my $ids = $cfg->{ids}; | |
640 | ||
641 | storage_check_enabled($cfg, $storeid) if ($storeid); | |
642 | ||
643 | my $res = {}; | |
644 | ||
645 | # prepare/activate/refresh all storages | |
646 | ||
647 | my $storage_list = []; | |
648 | if ($vollist) { | |
649 | foreach my $volid (@$vollist) { | |
650 | my ($sid, undef) = parse_volume_id($volid); | |
651 | next if !defined($ids->{$sid}); | |
652 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
653 | push @$storage_list, $sid; | |
654 | } | |
655 | } else { | |
656 | foreach my $sid (keys %$ids) { | |
657 | next if $storeid && $storeid ne $sid; | |
658 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
659 | push @$storage_list, $sid; | |
660 | } | |
661 | } | |
662 | ||
663 | my $cache = {}; | |
664 | ||
665 | activate_storage_list($cfg, $storage_list, $cache); | |
666 | ||
667 | foreach my $sid (keys %$ids) { | |
668 | next if $storeid && $storeid ne $sid; | |
669 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
670 | ||
671 | my $scfg = $ids->{$sid}; | |
672 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
673 | $res->{$sid} = $plugin->list_images($sid, $scfg, $vmid, $vollist, $cache); | |
674 | @{$res->{$sid}} = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @{$res->{$sid}} if $res->{$sid}; | |
675 | } | |
676 | ||
677 | return $res; | |
678 | } | |
679 | ||
680 | sub uevent_seqnum { | |
681 | ||
682 | my $filename = "/sys/kernel/uevent_seqnum"; | |
683 | ||
684 | my $seqnum = 0; | |
685 | if (my $fh = IO::File->new($filename, "r")) { | |
686 | my $line = <$fh>; | |
687 | if ($line =~ m/^(\d+)$/) { | |
688 | $seqnum = int($1); | |
689 | } | |
690 | close ($fh); | |
691 | } | |
692 | return $seqnum; | |
693 | } | |
694 | ||
695 | sub activate_storage { | |
696 | my ($cfg, $storeid, $cache) = @_; | |
697 | ||
698 | $cache = {} if !$cache; | |
699 | ||
700 | my $scfg = storage_check_enabled($cfg, $storeid); | |
701 | ||
702 | return if $cache->{activated}->{$storeid}; | |
703 | ||
704 | $cache->{uevent_seqnum} = uevent_seqnum() if !$cache->{uevent_seqnum}; | |
705 | ||
706 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
707 | ||
708 | if ($scfg->{base}) { | |
709 | my ($baseid, undef) = parse_volume_id ($scfg->{base}); | |
710 | activate_storage($cfg, $baseid, $cache); | |
711 | } | |
712 | ||
713 | if (!$plugin->check_connection($storeid, $scfg)) { | |
714 | die "storage '$storeid' is not online\n"; | |
715 | } | |
716 | ||
717 | $plugin->activate_storage($storeid, $scfg, $cache); | |
718 | ||
719 | my $newseq = uevent_seqnum (); | |
720 | ||
721 | # only call udevsettle if there are events | |
722 | if ($newseq > $cache->{uevent_seqnum}) { | |
723 | my $timeout = 30; | |
724 | system ("$UDEVADM settle --timeout=$timeout"); # ignore errors | |
725 | $cache->{uevent_seqnum} = $newseq; | |
726 | } | |
727 | ||
728 | $cache->{activated}->{$storeid} = 1; | |
729 | } | |
730 | ||
731 | sub activate_storage_list { | |
732 | my ($cfg, $storeid_list, $cache) = @_; | |
733 | ||
734 | $cache = {} if !$cache; | |
735 | ||
736 | foreach my $storeid (@$storeid_list) { | |
737 | activate_storage($cfg, $storeid, $cache); | |
738 | } | |
739 | } | |
740 | ||
741 | sub deactivate_storage { | |
742 | my ($cfg, $storeid) = @_; | |
743 | ||
744 | my $scfg = storage_config ($cfg, $storeid); | |
745 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
746 | ||
747 | my $cache = {}; | |
748 | $plugin->deactivate_storage($storeid, $scfg, $cache); | |
749 | } | |
750 | ||
751 | sub activate_volumes { | |
752 | my ($cfg, $vollist, $exclusive) = @_; | |
753 | ||
754 | return if !($vollist && scalar(@$vollist)); | |
755 | ||
756 | my $storagehash = {}; | |
757 | foreach my $volid (@$vollist) { | |
758 | my ($storeid, undef) = parse_volume_id($volid); | |
759 | $storagehash->{$storeid} = 1; | |
760 | } | |
761 | ||
762 | my $cache = {}; | |
763 | ||
764 | activate_storage_list($cfg, [keys %$storagehash], $cache); | |
765 | ||
766 | foreach my $volid (@$vollist) { | |
767 | my ($storeid, $volname) = parse_volume_id($volid); | |
768 | my $scfg = storage_config($cfg, $storeid); | |
769 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
770 | $plugin->activate_volume($storeid, $scfg, $volname, $exclusive, $cache); | |
771 | } | |
772 | } | |
773 | ||
774 | sub deactivate_volumes { | |
775 | my ($cfg, $vollist) = @_; | |
776 | ||
777 | return if !($vollist && scalar(@$vollist)); | |
778 | ||
779 | my $cache = {}; | |
780 | ||
781 | my @errlist = (); | |
782 | foreach my $volid (@$vollist) { | |
783 | my ($storeid, $volname) = parse_volume_id($volid); | |
784 | ||
785 | my $scfg = storage_config($cfg, $storeid); | |
786 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
787 | ||
788 | eval { | |
789 | $plugin->deactivate_volume($storeid, $scfg, $volname, $cache); | |
790 | }; | |
791 | if (my $err = $@) { | |
792 | warn $err; | |
793 | push @errlist, $volid; | |
794 | } | |
795 | } | |
796 | ||
797 | die "volume deativation failed: " . join(' ', @errlist) | |
798 | if scalar(@errlist); | |
799 | } | |
800 | ||
801 | sub storage_info { | |
802 | my ($cfg, $content) = @_; | |
803 | ||
804 | my $ids = $cfg->{ids}; | |
805 | ||
806 | my $info = {}; | |
807 | ||
808 | my $slist = []; | |
809 | foreach my $storeid (keys %$ids) { | |
810 | ||
811 | next if $content && !$ids->{$storeid}->{content}->{$content}; | |
812 | ||
813 | next if !storage_check_enabled($cfg, $storeid, undef, 1); | |
814 | ||
815 | my $type = $ids->{$storeid}->{type}; | |
816 | ||
817 | $info->{$storeid} = { | |
818 | type => $type, | |
819 | total => 0, | |
820 | avail => 0, | |
821 | used => 0, | |
822 | shared => $ids->{$storeid}->{shared} ? 1 : 0, | |
823 | content => PVE::Storage::Plugin::content_hash_to_string($ids->{$storeid}->{content}), | |
824 | active => 0, | |
825 | }; | |
826 | ||
827 | push @$slist, $storeid; | |
828 | } | |
829 | ||
830 | my $cache = {}; | |
831 | ||
832 | foreach my $storeid (keys %$ids) { | |
833 | my $scfg = $ids->{$storeid}; | |
834 | next if !$info->{$storeid}; | |
835 | ||
836 | eval { activate_storage($cfg, $storeid, $cache); }; | |
837 | if (my $err = $@) { | |
838 | warn $err; | |
839 | next; | |
840 | } | |
841 | ||
842 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
843 | my ($total, $avail, $used, $active); | |
844 | eval { ($total, $avail, $used, $active) = $plugin->status($storeid, $scfg, $cache); }; | |
845 | warn $@ if $@; | |
846 | next if !$active; | |
847 | $info->{$storeid}->{total} = $total; | |
848 | $info->{$storeid}->{avail} = $avail; | |
849 | $info->{$storeid}->{used} = $used; | |
850 | $info->{$storeid}->{active} = $active; | |
851 | } | |
852 | ||
853 | return $info; | |
854 | } | |
855 | ||
856 | sub resolv_server { | |
857 | my ($server) = @_; | |
858 | ||
859 | my $packed_ip = gethostbyname($server); | |
860 | if (defined $packed_ip) { | |
861 | return inet_ntoa($packed_ip); | |
862 | } | |
863 | return undef; | |
864 | } | |
865 | ||
866 | sub scan_nfs { | |
867 | my ($server_in) = @_; | |
868 | ||
869 | my $server; | |
870 | if (!($server = resolv_server ($server_in))) { | |
871 | die "unable to resolve address for server '${server_in}'\n"; | |
872 | } | |
873 | ||
874 | my $cmd = ['/sbin/showmount', '--no-headers', '--exports', $server]; | |
875 | ||
876 | my $res = {}; | |
877 | run_command($cmd, outfunc => sub { | |
878 | my $line = shift; | |
879 | ||
880 | # note: howto handle white spaces in export path?? | |
881 | if ($line =~ m!^(/\S+)\s+(.+)$!) { | |
882 | $res->{$1} = $2; | |
883 | } | |
884 | }); | |
885 | ||
886 | return $res; | |
887 | } | |
888 | ||
889 | sub resolv_portal { | |
890 | my ($portal, $noerr) = @_; | |
891 | ||
892 | if ($portal =~ m/^([^:]+)(:(\d+))?$/) { | |
893 | my $server = $1; | |
894 | my $port = $3; | |
895 | ||
896 | if (my $ip = resolv_server($server)) { | |
897 | $server = $ip; | |
898 | return $port ? "$server:$port" : $server; | |
899 | } | |
900 | } | |
901 | return undef if $noerr; | |
902 | ||
903 | raise_param_exc({ portal => "unable to resolve portal address '$portal'" }); | |
904 | } | |
905 | ||
906 | # idea is from usbutils package (/usr/bin/usb-devices) script | |
907 | sub __scan_usb_device { | |
908 | my ($res, $devpath, $parent, $level) = @_; | |
909 | ||
910 | return if ! -d $devpath; | |
911 | return if $level && $devpath !~ m/^.*[-.](\d+)$/; | |
912 | my $port = $level ? int($1 - 1) : 0; | |
913 | ||
914 | my $busnum = int(file_read_firstline("$devpath/busnum")); | |
915 | my $devnum = int(file_read_firstline("$devpath/devnum")); | |
916 | ||
917 | my $d = { | |
918 | port => $port, | |
919 | level => $level, | |
920 | busnum => $busnum, | |
921 | devnum => $devnum, | |
922 | speed => file_read_firstline("$devpath/speed"), | |
923 | class => hex(file_read_firstline("$devpath/bDeviceClass")), | |
924 | vendid => file_read_firstline("$devpath/idVendor"), | |
925 | prodid => file_read_firstline("$devpath/idProduct"), | |
926 | }; | |
927 | ||
928 | if ($level) { | |
929 | my $usbpath = $devpath; | |
930 | $usbpath =~ s|^.*/\d+\-||; | |
931 | $d->{usbpath} = $usbpath; | |
932 | } | |
933 | ||
934 | my $product = file_read_firstline("$devpath/product"); | |
935 | $d->{product} = $product if $product; | |
936 | ||
937 | my $manu = file_read_firstline("$devpath/manufacturer"); | |
938 | $d->{manufacturer} = $manu if $manu; | |
939 | ||
940 | my $serial => file_read_firstline("$devpath/serial"); | |
941 | $d->{serial} = $serial if $serial; | |
942 | ||
943 | push @$res, $d; | |
944 | ||
945 | foreach my $subdev (<$devpath/$busnum-*>) { | |
946 | next if $subdev !~ m|/$busnum-[0-9]+(\.[0-9]+)*$|; | |
947 | __scan_usb_device($res, $subdev, $devnum, $level + 1); | |
948 | } | |
949 | ||
950 | }; | |
951 | ||
952 | sub scan_usb { | |
953 | ||
954 | my $devlist = []; | |
955 | ||
956 | foreach my $device (</sys/bus/usb/devices/usb*>) { | |
957 | __scan_usb_device($devlist, $device, 0, 0); | |
958 | } | |
959 | ||
960 | return $devlist; | |
961 | } | |
962 | ||
963 | sub scan_iscsi { | |
964 | my ($portal_in) = @_; | |
965 | ||
966 | my $portal; | |
967 | if (!($portal = resolv_portal($portal_in))) { | |
968 | die "unable to parse/resolve portal address '${portal_in}'\n"; | |
969 | } | |
970 | ||
971 | return PVE::Storage::ISCSIPlugin::iscsi_discovery($portal); | |
972 | } | |
973 | ||
974 | sub storage_default_format { | |
975 | my ($cfg, $storeid) = @_; | |
976 | ||
977 | my $scfg = storage_config ($cfg, $storeid); | |
978 | ||
979 | return PVE::Storage::Plugin::default_format($scfg); | |
980 | } | |
981 | ||
982 | sub vgroup_is_used { | |
983 | my ($cfg, $vgname) = @_; | |
984 | ||
985 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
986 | my $scfg = storage_config($cfg, $storeid); | |
987 | if ($scfg->{type} eq 'lvm' && $scfg->{vgname} eq $vgname) { | |
988 | return 1; | |
989 | } | |
990 | } | |
991 | ||
992 | return undef; | |
993 | } | |
994 | ||
995 | sub target_is_used { | |
996 | my ($cfg, $target) = @_; | |
997 | ||
998 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
999 | my $scfg = storage_config($cfg, $storeid); | |
1000 | if ($scfg->{type} eq 'iscsi' && $scfg->{target} eq $target) { | |
1001 | return 1; | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | return undef; | |
1006 | } | |
1007 | ||
1008 | sub volume_is_used { | |
1009 | my ($cfg, $volid) = @_; | |
1010 | ||
1011 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
1012 | my $scfg = storage_config($cfg, $storeid); | |
1013 | if ($scfg->{base} && $scfg->{base} eq $volid) { | |
1014 | return 1; | |
1015 | } | |
1016 | } | |
1017 | ||
1018 | return undef; | |
1019 | } | |
1020 | ||
1021 | sub storage_is_used { | |
1022 | my ($cfg, $storeid) = @_; | |
1023 | ||
1024 | foreach my $sid (keys %{$cfg->{ids}}) { | |
1025 | my $scfg = storage_config($cfg, $sid); | |
1026 | next if !$scfg->{base}; | |
1027 | my ($st) = parse_volume_id($scfg->{base}); | |
1028 | return 1 if $st && $st eq $storeid; | |
1029 | } | |
1030 | ||
1031 | return undef; | |
1032 | } | |
1033 | ||
1034 | sub foreach_volid { | |
1035 | my ($list, $func) = @_; | |
1036 | ||
1037 | return if !$list; | |
1038 | ||
1039 | foreach my $sid (keys %$list) { | |
1040 | foreach my $info (@{$list->{$sid}}) { | |
1041 | my $volid = $info->{volid}; | |
1042 | my ($sid1, $volname) = parse_volume_id($volid, 1); | |
1043 | if ($sid1 && $sid1 eq $sid) { | |
1044 | &$func ($volid, $sid, $info); | |
1045 | } else { | |
1046 | warn "detected strange volid '$volid' in volume list for '$sid'\n"; | |
1047 | } | |
1048 | } | |
1049 | } | |
1050 | } | |
1051 | ||
1052 | 1; |