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1 | package PVE::Storage; | |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use Data::Dumper; | |
6 | ||
7 | use POSIX; | |
8 | use IO::Select; | |
9 | use IO::File; | |
10 | use IO::Socket::IP; | |
11 | use File::Basename; | |
12 | use File::Path; | |
13 | use Cwd 'abs_path'; | |
14 | use Socket; | |
15 | ||
16 | use PVE::Tools qw(run_command file_read_firstline dir_glob_foreach $IPV6RE); | |
17 | use PVE::Cluster qw(cfs_read_file cfs_write_file cfs_lock_file); | |
18 | use PVE::DataCenterConfig; | |
19 | use PVE::Exception qw(raise_param_exc); | |
20 | use PVE::JSONSchema; | |
21 | use PVE::INotify; | |
22 | use PVE::RPCEnvironment; | |
23 | use PVE::SSHInfo; | |
24 | ||
25 | use PVE::Storage::Plugin; | |
26 | use PVE::Storage::DirPlugin; | |
27 | use PVE::Storage::LVMPlugin; | |
28 | use PVE::Storage::LvmThinPlugin; | |
29 | use PVE::Storage::NFSPlugin; | |
30 | use PVE::Storage::CIFSPlugin; | |
31 | use PVE::Storage::ISCSIPlugin; | |
32 | use PVE::Storage::RBDPlugin; | |
33 | use PVE::Storage::CephFSPlugin; | |
34 | use PVE::Storage::ISCSIDirectPlugin; | |
35 | use PVE::Storage::GlusterfsPlugin; | |
36 | use PVE::Storage::ZFSPoolPlugin; | |
37 | use PVE::Storage::ZFSPlugin; | |
38 | use PVE::Storage::DRBDPlugin; | |
39 | use PVE::Storage::PBSPlugin; | |
40 | ||
41 | # Storage API version. Icrement it on changes in storage API interface. | |
42 | use constant APIVER => 3; | |
43 | # Age is the number of versions we're backward compatible with. | |
44 | # This is like having 'current=APIVER' and age='APIAGE' in libtool, | |
45 | # see https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html | |
46 | use constant APIAGE => 2; | |
47 | ||
48 | # load standard plugins | |
49 | PVE::Storage::DirPlugin->register(); | |
50 | PVE::Storage::LVMPlugin->register(); | |
51 | PVE::Storage::LvmThinPlugin->register(); | |
52 | PVE::Storage::NFSPlugin->register(); | |
53 | PVE::Storage::CIFSPlugin->register(); | |
54 | PVE::Storage::ISCSIPlugin->register(); | |
55 | PVE::Storage::RBDPlugin->register(); | |
56 | PVE::Storage::CephFSPlugin->register(); | |
57 | PVE::Storage::ISCSIDirectPlugin->register(); | |
58 | PVE::Storage::GlusterfsPlugin->register(); | |
59 | PVE::Storage::ZFSPoolPlugin->register(); | |
60 | PVE::Storage::ZFSPlugin->register(); | |
61 | PVE::Storage::DRBDPlugin->register(); | |
62 | PVE::Storage::PBSPlugin->register(); | |
63 | ||
64 | # load third-party plugins | |
65 | if ( -d '/usr/share/perl5/PVE/Storage/Custom' ) { | |
66 | dir_glob_foreach('/usr/share/perl5/PVE/Storage/Custom', '.*\.pm$', sub { | |
67 | my ($file) = @_; | |
68 | my $modname = 'PVE::Storage::Custom::' . $file; | |
69 | $modname =~ s!\.pm$!!; | |
70 | $file = 'PVE/Storage/Custom/' . $file; | |
71 | ||
72 | eval { | |
73 | require $file; | |
74 | ||
75 | # Check perl interface: | |
76 | die "not derived from PVE::Storage::Plugin\n" | |
77 | if !$modname->isa('PVE::Storage::Plugin'); | |
78 | die "does not provide an api() method\n" | |
79 | if !$modname->can('api'); | |
80 | # Check storage API version and that file is really storage plugin. | |
81 | my $version = $modname->api(); | |
82 | die "implements an API version newer than current ($version > " . APIVER . ")\n" | |
83 | if $version > APIVER; | |
84 | my $min_version = (APIVER - APIAGE); | |
85 | die "API version too old, please update the plugin ($version < $min_version)\n" | |
86 | if $version < $min_version; | |
87 | import $file; | |
88 | $modname->register(); | |
89 | ||
90 | # If we got this far and the API version is not the same, make some | |
91 | # noise: | |
92 | warn "Plugin \"$modname\" is implementing an older storage API, an upgrade is recommended\n" | |
93 | if $version != APIVER; | |
94 | }; | |
95 | if ($@) { | |
96 | warn "Error loading storage plugin \"$modname\": $@"; | |
97 | } | |
98 | }); | |
99 | } | |
100 | ||
101 | # initialize all plugins | |
102 | PVE::Storage::Plugin->init(); | |
103 | ||
104 | my $UDEVADM = '/sbin/udevadm'; | |
105 | ||
106 | our $iso_extension_re = qr/\.(?:iso|img)/i; | |
107 | ||
108 | # PVE::Storage utility functions | |
109 | ||
110 | sub config { | |
111 | return cfs_read_file("storage.cfg"); | |
112 | } | |
113 | ||
114 | sub write_config { | |
115 | my ($cfg) = @_; | |
116 | ||
117 | cfs_write_file('storage.cfg', $cfg); | |
118 | } | |
119 | ||
120 | sub lock_storage_config { | |
121 | my ($code, $errmsg) = @_; | |
122 | ||
123 | cfs_lock_file("storage.cfg", undef, $code); | |
124 | my $err = $@; | |
125 | if ($err) { | |
126 | $errmsg ? die "$errmsg: $err" : die $err; | |
127 | } | |
128 | } | |
129 | ||
130 | sub storage_config { | |
131 | my ($cfg, $storeid, $noerr) = @_; | |
132 | ||
133 | die "no storage ID specified\n" if !$storeid; | |
134 | ||
135 | my $scfg = $cfg->{ids}->{$storeid}; | |
136 | ||
137 | die "storage '$storeid' does not exist\n" if (!$noerr && !$scfg); | |
138 | ||
139 | return $scfg; | |
140 | } | |
141 | ||
142 | sub storage_check_node { | |
143 | my ($cfg, $storeid, $node, $noerr) = @_; | |
144 | ||
145 | my $scfg = storage_config($cfg, $storeid); | |
146 | ||
147 | if ($scfg->{nodes}) { | |
148 | $node = PVE::INotify::nodename() if !$node || ($node eq 'localhost'); | |
149 | if (!$scfg->{nodes}->{$node}) { | |
150 | die "storage '$storeid' is not available on node '$node'\n" if !$noerr; | |
151 | return undef; | |
152 | } | |
153 | } | |
154 | ||
155 | return $scfg; | |
156 | } | |
157 | ||
158 | sub storage_check_enabled { | |
159 | my ($cfg, $storeid, $node, $noerr) = @_; | |
160 | ||
161 | my $scfg = storage_config($cfg, $storeid); | |
162 | ||
163 | if ($scfg->{disable}) { | |
164 | die "storage '$storeid' is disabled\n" if !$noerr; | |
165 | return undef; | |
166 | } | |
167 | ||
168 | return storage_check_node($cfg, $storeid, $node, $noerr); | |
169 | } | |
170 | ||
171 | # storage_can_replicate: | |
172 | # return true if storage supports replication | |
173 | # (volumes alocated with vdisk_alloc() has replication feature) | |
174 | sub storage_can_replicate { | |
175 | my ($cfg, $storeid, $format) = @_; | |
176 | ||
177 | my $scfg = storage_config($cfg, $storeid); | |
178 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
179 | return $plugin->storage_can_replicate($scfg, $storeid, $format); | |
180 | } | |
181 | ||
182 | sub storage_ids { | |
183 | my ($cfg) = @_; | |
184 | ||
185 | return keys %{$cfg->{ids}}; | |
186 | } | |
187 | ||
188 | sub file_size_info { | |
189 | my ($filename, $timeout) = @_; | |
190 | ||
191 | return PVE::Storage::Plugin::file_size_info($filename, $timeout); | |
192 | } | |
193 | ||
194 | sub volume_size_info { | |
195 | my ($cfg, $volid, $timeout) = @_; | |
196 | ||
197 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
198 | if ($storeid) { | |
199 | my $scfg = storage_config($cfg, $storeid); | |
200 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
201 | return $plugin->volume_size_info($scfg, $storeid, $volname, $timeout); | |
202 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
203 | return file_size_info($volid, $timeout); | |
204 | } else { | |
205 | return 0; | |
206 | } | |
207 | } | |
208 | ||
209 | sub volume_resize { | |
210 | my ($cfg, $volid, $size, $running) = @_; | |
211 | ||
212 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
213 | if ($storeid) { | |
214 | my $scfg = storage_config($cfg, $storeid); | |
215 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
216 | return $plugin->volume_resize($scfg, $storeid, $volname, $size, $running); | |
217 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
218 | die "resize file/device '$volid' is not possible\n"; | |
219 | } else { | |
220 | die "unable to parse volume ID '$volid'\n"; | |
221 | } | |
222 | } | |
223 | ||
224 | sub volume_rollback_is_possible { | |
225 | my ($cfg, $volid, $snap) = @_; | |
226 | ||
227 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
228 | if ($storeid) { | |
229 | my $scfg = storage_config($cfg, $storeid); | |
230 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
231 | return $plugin->volume_rollback_is_possible($scfg, $storeid, $volname, $snap); | |
232 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
233 | die "snapshot rollback file/device '$volid' is not possible\n"; | |
234 | } else { | |
235 | die "unable to parse volume ID '$volid'\n"; | |
236 | } | |
237 | } | |
238 | ||
239 | sub volume_snapshot { | |
240 | my ($cfg, $volid, $snap) = @_; | |
241 | ||
242 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
243 | if ($storeid) { | |
244 | my $scfg = storage_config($cfg, $storeid); | |
245 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
246 | return $plugin->volume_snapshot($scfg, $storeid, $volname, $snap); | |
247 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
248 | die "snapshot file/device '$volid' is not possible\n"; | |
249 | } else { | |
250 | die "unable to parse volume ID '$volid'\n"; | |
251 | } | |
252 | } | |
253 | ||
254 | sub volume_snapshot_rollback { | |
255 | my ($cfg, $volid, $snap) = @_; | |
256 | ||
257 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
258 | if ($storeid) { | |
259 | my $scfg = storage_config($cfg, $storeid); | |
260 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
261 | $plugin->volume_rollback_is_possible($scfg, $storeid, $volname, $snap); | |
262 | return $plugin->volume_snapshot_rollback($scfg, $storeid, $volname, $snap); | |
263 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
264 | die "snapshot rollback file/device '$volid' is not possible\n"; | |
265 | } else { | |
266 | die "unable to parse volume ID '$volid'\n"; | |
267 | } | |
268 | } | |
269 | ||
270 | sub volume_snapshot_delete { | |
271 | my ($cfg, $volid, $snap, $running) = @_; | |
272 | ||
273 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
274 | if ($storeid) { | |
275 | my $scfg = storage_config($cfg, $storeid); | |
276 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
277 | return $plugin->volume_snapshot_delete($scfg, $storeid, $volname, $snap, $running); | |
278 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
279 | die "snapshot delete file/device '$volid' is not possible\n"; | |
280 | } else { | |
281 | die "unable to parse volume ID '$volid'\n"; | |
282 | } | |
283 | } | |
284 | ||
285 | sub volume_has_feature { | |
286 | my ($cfg, $feature, $volid, $snap, $running) = @_; | |
287 | ||
288 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
289 | if ($storeid) { | |
290 | my $scfg = storage_config($cfg, $storeid); | |
291 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
292 | return $plugin->volume_has_feature($scfg, $feature, $storeid, $volname, $snap, $running); | |
293 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
294 | return undef; | |
295 | } else { | |
296 | return undef; | |
297 | } | |
298 | } | |
299 | ||
300 | sub volume_snapshot_list { | |
301 | my ($cfg, $volid) = @_; | |
302 | ||
303 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
304 | if ($storeid) { | |
305 | my $scfg = storage_config($cfg, $storeid); | |
306 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
307 | return $plugin->volume_snapshot_list($scfg, $storeid, $volname); | |
308 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
309 | die "send file/device '$volid' is not possible\n"; | |
310 | } else { | |
311 | die "unable to parse volume ID '$volid'\n"; | |
312 | } | |
313 | # return an empty array if dataset does not exist. | |
314 | } | |
315 | ||
316 | sub get_image_dir { | |
317 | my ($cfg, $storeid, $vmid) = @_; | |
318 | ||
319 | my $scfg = storage_config($cfg, $storeid); | |
320 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
321 | ||
322 | my $path = $plugin->get_subdir($scfg, 'images'); | |
323 | ||
324 | return $vmid ? "$path/$vmid" : $path; | |
325 | } | |
326 | ||
327 | sub get_private_dir { | |
328 | my ($cfg, $storeid, $vmid) = @_; | |
329 | ||
330 | my $scfg = storage_config($cfg, $storeid); | |
331 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
332 | ||
333 | my $path = $plugin->get_subdir($scfg, 'rootdir'); | |
334 | ||
335 | return $vmid ? "$path/$vmid" : $path; | |
336 | } | |
337 | ||
338 | sub get_iso_dir { | |
339 | my ($cfg, $storeid) = @_; | |
340 | ||
341 | my $scfg = storage_config($cfg, $storeid); | |
342 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
343 | ||
344 | return $plugin->get_subdir($scfg, 'iso'); | |
345 | } | |
346 | ||
347 | sub get_vztmpl_dir { | |
348 | my ($cfg, $storeid) = @_; | |
349 | ||
350 | my $scfg = storage_config($cfg, $storeid); | |
351 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
352 | ||
353 | return $plugin->get_subdir($scfg, 'vztmpl'); | |
354 | } | |
355 | ||
356 | sub get_backup_dir { | |
357 | my ($cfg, $storeid) = @_; | |
358 | ||
359 | my $scfg = storage_config($cfg, $storeid); | |
360 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
361 | ||
362 | return $plugin->get_subdir($scfg, 'backup'); | |
363 | } | |
364 | ||
365 | # library implementation | |
366 | ||
367 | sub parse_vmid { | |
368 | my $vmid = shift; | |
369 | ||
370 | die "VMID '$vmid' contains illegal characters\n" if $vmid !~ m/^\d+$/; | |
371 | ||
372 | return int($vmid); | |
373 | } | |
374 | ||
375 | # NOTE: basename and basevmid are always undef for LVM-thin, where the | |
376 | # clone -> base reference is not encoded in the volume ID. | |
377 | # see note in PVE::Storage::LvmThinPlugin for details. | |
378 | sub parse_volname { | |
379 | my ($cfg, $volid) = @_; | |
380 | ||
381 | my ($storeid, $volname) = parse_volume_id($volid); | |
382 | ||
383 | my $scfg = storage_config($cfg, $storeid); | |
384 | ||
385 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
386 | ||
387 | # returns ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) | |
388 | ||
389 | return $plugin->parse_volname($volname); | |
390 | } | |
391 | ||
392 | sub parse_volume_id { | |
393 | my ($volid, $noerr) = @_; | |
394 | ||
395 | return PVE::Storage::Plugin::parse_volume_id($volid, $noerr); | |
396 | } | |
397 | ||
398 | # test if we have read access to volid | |
399 | sub check_volume_access { | |
400 | my ($rpcenv, $user, $cfg, $vmid, $volid) = @_; | |
401 | ||
402 | my ($sid, $volname) = parse_volume_id($volid, 1); | |
403 | if ($sid) { | |
404 | my ($vtype, undef, $ownervm) = parse_volname($cfg, $volid); | |
405 | if ($vtype eq 'iso' || $vtype eq 'vztmpl') { | |
406 | # require at least read access to storage, (custom) templates/ISOs could be sensitive | |
407 | $rpcenv->check_any($user, "/storage/$sid", ['Datastore.AllocateSpace', 'Datastore.Audit']); | |
408 | } elsif (defined($ownervm) && defined($vmid) && ($ownervm == $vmid)) { | |
409 | # we are owner - allow access | |
410 | } elsif ($vtype eq 'backup' && $ownervm) { | |
411 | $rpcenv->check($user, "/storage/$sid", ['Datastore.AllocateSpace']); | |
412 | $rpcenv->check($user, "/vms/$ownervm", ['VM.Backup']); | |
413 | } else { | |
414 | # allow if we are Datastore administrator | |
415 | $rpcenv->check($user, "/storage/$sid", ['Datastore.Allocate']); | |
416 | } | |
417 | } else { | |
418 | die "Only root can pass arbitrary filesystem paths." | |
419 | if $user ne 'root@pam'; | |
420 | } | |
421 | ||
422 | return undef; | |
423 | } | |
424 | ||
425 | my $volume_is_base_and_used__no_lock = sub { | |
426 | my ($scfg, $storeid, $plugin, $volname) = @_; | |
427 | ||
428 | my ($vtype, $name, $vmid, undef, undef, $isBase, undef) = | |
429 | $plugin->parse_volname($volname); | |
430 | ||
431 | if ($isBase) { | |
432 | my $vollist = $plugin->list_images($storeid, $scfg); | |
433 | foreach my $info (@$vollist) { | |
434 | my (undef, $tmpvolname) = parse_volume_id($info->{volid}); | |
435 | my $basename = undef; | |
436 | my $basevmid = undef; | |
437 | ||
438 | eval{ | |
439 | (undef, undef, undef, $basename, $basevmid) = | |
440 | $plugin->parse_volname($tmpvolname); | |
441 | }; | |
442 | ||
443 | if ($basename && defined($basevmid) && $basevmid == $vmid && $basename eq $name) { | |
444 | return 1; | |
445 | } | |
446 | } | |
447 | } | |
448 | return 0; | |
449 | }; | |
450 | ||
451 | # NOTE: this check does not work for LVM-thin, where the clone -> base | |
452 | # reference is not encoded in the volume ID. | |
453 | # see note in PVE::Storage::LvmThinPlugin for details. | |
454 | sub volume_is_base_and_used { | |
455 | my ($cfg, $volid) = @_; | |
456 | ||
457 | my ($storeid, $volname) = parse_volume_id($volid); | |
458 | my $scfg = storage_config($cfg, $storeid); | |
459 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
460 | ||
461 | $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
462 | return &$volume_is_base_and_used__no_lock($scfg, $storeid, $plugin, $volname); | |
463 | }); | |
464 | } | |
465 | ||
466 | # try to map a filesystem path to a volume identifier | |
467 | sub path_to_volume_id { | |
468 | my ($cfg, $path) = @_; | |
469 | ||
470 | my $ids = $cfg->{ids}; | |
471 | ||
472 | my ($sid, $volname) = parse_volume_id($path, 1); | |
473 | if ($sid) { | |
474 | if (my $scfg = $ids->{$sid}) { | |
475 | if ($scfg->{path}) { | |
476 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
477 | my ($vtype, $name, $vmid) = $plugin->parse_volname($volname); | |
478 | return ($vtype, $path); | |
479 | } | |
480 | } | |
481 | return (''); | |
482 | } | |
483 | ||
484 | # Note: abs_path() return undef if $path doesn not exist | |
485 | # for example when nfs storage is not mounted | |
486 | $path = abs_path($path) || $path; | |
487 | ||
488 | foreach my $sid (keys %$ids) { | |
489 | my $scfg = $ids->{$sid}; | |
490 | next if !$scfg->{path}; | |
491 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
492 | my $imagedir = $plugin->get_subdir($scfg, 'images'); | |
493 | my $isodir = $plugin->get_subdir($scfg, 'iso'); | |
494 | my $tmpldir = $plugin->get_subdir($scfg, 'vztmpl'); | |
495 | my $backupdir = $plugin->get_subdir($scfg, 'backup'); | |
496 | my $privatedir = $plugin->get_subdir($scfg, 'rootdir'); | |
497 | ||
498 | if ($path =~ m!^$imagedir/(\d+)/([^/\s]+)$!) { | |
499 | my $vmid = $1; | |
500 | my $name = $2; | |
501 | ||
502 | my $vollist = $plugin->list_images($sid, $scfg, $vmid); | |
503 | foreach my $info (@$vollist) { | |
504 | my ($storeid, $volname) = parse_volume_id($info->{volid}); | |
505 | my $volpath = $plugin->path($scfg, $volname, $storeid); | |
506 | if ($volpath eq $path) { | |
507 | return ('images', $info->{volid}); | |
508 | } | |
509 | } | |
510 | } elsif ($path =~ m!^$isodir/([^/]+$iso_extension_re)$!) { | |
511 | my $name = $1; | |
512 | return ('iso', "$sid:iso/$name"); | |
513 | } elsif ($path =~ m!^$tmpldir/([^/]+\.tar\.gz)$!) { | |
514 | my $name = $1; | |
515 | return ('vztmpl', "$sid:vztmpl/$name"); | |
516 | } elsif ($path =~ m!^$privatedir/(\d+)$!) { | |
517 | my $vmid = $1; | |
518 | return ('rootdir', "$sid:rootdir/$vmid"); | |
519 | } elsif ($path =~ m!^$backupdir/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo))$!) { | |
520 | my $name = $1; | |
521 | return ('iso', "$sid:backup/$name"); | |
522 | } | |
523 | } | |
524 | ||
525 | # can't map path to volume id | |
526 | return (''); | |
527 | } | |
528 | ||
529 | sub path { | |
530 | my ($cfg, $volid, $snapname) = @_; | |
531 | ||
532 | my ($storeid, $volname) = parse_volume_id($volid); | |
533 | ||
534 | my $scfg = storage_config($cfg, $storeid); | |
535 | ||
536 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
537 | my ($path, $owner, $vtype) = $plugin->path($scfg, $volname, $storeid, $snapname); | |
538 | return wantarray ? ($path, $owner, $vtype) : $path; | |
539 | } | |
540 | ||
541 | sub abs_filesystem_path { | |
542 | my ($cfg, $volid) = @_; | |
543 | ||
544 | my $path; | |
545 | if (parse_volume_id ($volid, 1)) { | |
546 | activate_volumes($cfg, [ $volid ]); | |
547 | $path = PVE::Storage::path($cfg, $volid); | |
548 | } else { | |
549 | if (-f $volid) { | |
550 | my $abspath = abs_path($volid); | |
551 | if ($abspath && $abspath =~ m|^(/.+)$|) { | |
552 | $path = $1; # untaint any path | |
553 | } | |
554 | } | |
555 | } | |
556 | ||
557 | die "can't find file '$volid'\n" if !($path && -f $path); | |
558 | ||
559 | return $path; | |
560 | } | |
561 | ||
562 | sub storage_migrate { | |
563 | my ($cfg, $volid, $target_sshinfo, $target_storeid, $target_volname, $base_snapshot, $snapshot, $ratelimit_bps, $insecure, $with_snapshots, $logfunc) = @_; | |
564 | ||
565 | my ($storeid, $volname) = parse_volume_id($volid); | |
566 | $target_volname = $volname if !$target_volname; | |
567 | ||
568 | my $scfg = storage_config($cfg, $storeid); | |
569 | ||
570 | # no need to migrate shared content | |
571 | return if $storeid eq $target_storeid && $scfg->{shared}; | |
572 | ||
573 | my $tcfg = storage_config($cfg, $target_storeid); | |
574 | ||
575 | my $target_volid = "${target_storeid}:${target_volname}"; | |
576 | ||
577 | my $target_ip = $target_sshinfo->{ip}; | |
578 | ||
579 | my $ssh = PVE::SSHInfo::ssh_info_to_command($target_sshinfo); | |
580 | my $ssh_base = PVE::SSHInfo::ssh_info_to_command_base($target_sshinfo); | |
581 | local $ENV{RSYNC_RSH} = PVE::Tools::cmd2string($ssh_base); | |
582 | ||
583 | my @cstream = ([ '/usr/bin/cstream', '-t', $ratelimit_bps ]) | |
584 | if defined($ratelimit_bps); | |
585 | ||
586 | my $migration_snapshot; | |
587 | if (!defined($snapshot)) { | |
588 | if ($scfg->{type} eq 'zfspool') { | |
589 | $migration_snapshot = 1; | |
590 | $snapshot = '__migration__'; | |
591 | } | |
592 | } | |
593 | ||
594 | my @formats = volume_transfer_formats($cfg, $volid, $target_volid, $snapshot, $base_snapshot, $with_snapshots); | |
595 | die "cannot migrate from storage type '$scfg->{type}' to '$tcfg->{type}'\n" if !@formats; | |
596 | my $format = $formats[0]; | |
597 | ||
598 | my $import_fn = '-'; # let pvesm import read from stdin per default | |
599 | if ($insecure) { | |
600 | my $net = $target_sshinfo->{network} // $target_sshinfo->{ip}; | |
601 | $import_fn = "tcp://$net"; | |
602 | } | |
603 | ||
604 | $with_snapshots = $with_snapshots ? 1 : 0; # sanitize for passing as cli parameter | |
605 | my $send = ['pvesm', 'export', $volid, $format, '-', '-with-snapshots', $with_snapshots]; | |
606 | my $recv = [@$ssh, '--', 'pvesm', 'import', $target_volid, $format, $import_fn, '-with-snapshots', $with_snapshots]; | |
607 | if (defined($snapshot)) { | |
608 | push @$send, '-snapshot', $snapshot | |
609 | } | |
610 | if ($migration_snapshot) { | |
611 | push @$recv, '-delete-snapshot', $snapshot; | |
612 | } | |
613 | ||
614 | if (defined($base_snapshot)) { | |
615 | # Check if the snapshot exists on the remote side: | |
616 | push @$send, '-base', $base_snapshot; | |
617 | push @$recv, '-base', $base_snapshot; | |
618 | } | |
619 | ||
620 | volume_snapshot($cfg, $volid, $snapshot) if $migration_snapshot; | |
621 | eval { | |
622 | if ($insecure) { | |
623 | open(my $info, '-|', @$recv) | |
624 | or die "receive command failed: $!\n"; | |
625 | my ($ip) = <$info> =~ /^($PVE::Tools::IPRE)$/ or die "no tunnel IP received\n"; | |
626 | my ($port) = <$info> =~ /^(\d+)$/ or die "no tunnel port received\n"; | |
627 | my $socket = IO::Socket::IP->new(PeerHost => $ip, PeerPort => $port, Type => SOCK_STREAM) | |
628 | or die "failed to connect to tunnel at $ip:$port\n"; | |
629 | # we won't be reading from the socket | |
630 | shutdown($socket, 0); | |
631 | run_command([$send, @cstream], output => '>&'.fileno($socket), errfunc => $logfunc); | |
632 | # don't close the connection entirely otherwise the receiving end | |
633 | # might not get all buffered data (and fails with 'connection reset by peer') | |
634 | shutdown($socket, 1); | |
635 | ||
636 | # wait for the remote process to finish | |
637 | if ($logfunc) { | |
638 | while (my $line = <$info>) { | |
639 | chomp($line); | |
640 | $logfunc->("[$target_sshinfo->{name}] $line"); | |
641 | } | |
642 | } else { | |
643 | 1 while <$info>; | |
644 | } | |
645 | ||
646 | # now close the socket | |
647 | close($socket); | |
648 | if (!close($info)) { # does waitpid() | |
649 | die "import failed: $!\n" if $!; | |
650 | die "import failed: exit code ".($?>>8)."\n"; | |
651 | } | |
652 | } else { | |
653 | run_command([$send, @cstream, $recv], logfunc => $logfunc); | |
654 | } | |
655 | }; | |
656 | my $err = $@; | |
657 | warn "send/receive failed, cleaning up snapshot(s)..\n" if $err; | |
658 | if ($migration_snapshot) { | |
659 | eval { volume_snapshot_delete($cfg, $volid, $snapshot, 0) }; | |
660 | warn "could not remove source snapshot: $@\n" if $@; | |
661 | } | |
662 | die $err if $err; | |
663 | } | |
664 | ||
665 | sub vdisk_clone { | |
666 | my ($cfg, $volid, $vmid, $snap) = @_; | |
667 | ||
668 | my ($storeid, $volname) = parse_volume_id($volid); | |
669 | ||
670 | my $scfg = storage_config($cfg, $storeid); | |
671 | ||
672 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
673 | ||
674 | activate_storage($cfg, $storeid); | |
675 | ||
676 | # lock shared storage | |
677 | return $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
678 | my $volname = $plugin->clone_image($scfg, $storeid, $volname, $vmid, $snap); | |
679 | return "$storeid:$volname"; | |
680 | }); | |
681 | } | |
682 | ||
683 | sub vdisk_create_base { | |
684 | my ($cfg, $volid) = @_; | |
685 | ||
686 | my ($storeid, $volname) = parse_volume_id($volid); | |
687 | ||
688 | my $scfg = storage_config($cfg, $storeid); | |
689 | ||
690 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
691 | ||
692 | activate_storage($cfg, $storeid); | |
693 | ||
694 | # lock shared storage | |
695 | return $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
696 | my $volname = $plugin->create_base($storeid, $scfg, $volname); | |
697 | return "$storeid:$volname"; | |
698 | }); | |
699 | } | |
700 | ||
701 | sub map_volume { | |
702 | my ($cfg, $volid, $snapname) = @_; | |
703 | ||
704 | my ($storeid, $volname) = parse_volume_id($volid); | |
705 | ||
706 | my $scfg = storage_config($cfg, $storeid); | |
707 | ||
708 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
709 | ||
710 | return $plugin->map_volume($storeid, $scfg, $volname, $snapname); | |
711 | } | |
712 | ||
713 | sub unmap_volume { | |
714 | my ($cfg, $volid, $snapname) = @_; | |
715 | ||
716 | my ($storeid, $volname) = parse_volume_id($volid); | |
717 | ||
718 | my $scfg = storage_config($cfg, $storeid); | |
719 | ||
720 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
721 | ||
722 | return $plugin->unmap_volume($storeid, $scfg, $volname, $snapname); | |
723 | } | |
724 | ||
725 | sub vdisk_alloc { | |
726 | my ($cfg, $storeid, $vmid, $fmt, $name, $size) = @_; | |
727 | ||
728 | die "no storage ID specified\n" if !$storeid; | |
729 | ||
730 | PVE::JSONSchema::parse_storage_id($storeid); | |
731 | ||
732 | my $scfg = storage_config($cfg, $storeid); | |
733 | ||
734 | die "no VMID specified\n" if !$vmid; | |
735 | ||
736 | $vmid = parse_vmid($vmid); | |
737 | ||
738 | my $defformat = PVE::Storage::Plugin::default_format($scfg); | |
739 | ||
740 | $fmt = $defformat if !$fmt; | |
741 | ||
742 | activate_storage($cfg, $storeid); | |
743 | ||
744 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
745 | ||
746 | # lock shared storage | |
747 | return $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
748 | my $old_umask = umask(umask|0037); | |
749 | my $volname = eval { $plugin->alloc_image($storeid, $scfg, $vmid, $fmt, $name, $size) }; | |
750 | my $err = $@; | |
751 | umask $old_umask; | |
752 | die $err if $err; | |
753 | return "$storeid:$volname"; | |
754 | }); | |
755 | } | |
756 | ||
757 | sub vdisk_free { | |
758 | my ($cfg, $volid) = @_; | |
759 | ||
760 | my ($storeid, $volname) = parse_volume_id($volid); | |
761 | my $scfg = storage_config($cfg, $storeid); | |
762 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
763 | ||
764 | activate_storage($cfg, $storeid); | |
765 | ||
766 | my $cleanup_worker; | |
767 | ||
768 | # lock shared storage | |
769 | $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
770 | # LVM-thin allows deletion of still referenced base volumes! | |
771 | die "base volume '$volname' is still in use by linked clones\n" | |
772 | if &$volume_is_base_and_used__no_lock($scfg, $storeid, $plugin, $volname); | |
773 | ||
774 | my (undef, undef, undef, undef, undef, $isBase, $format) = | |
775 | $plugin->parse_volname($volname); | |
776 | $cleanup_worker = $plugin->free_image($storeid, $scfg, $volname, $isBase, $format); | |
777 | }); | |
778 | ||
779 | return if !$cleanup_worker; | |
780 | ||
781 | my $rpcenv = PVE::RPCEnvironment::get(); | |
782 | my $authuser = $rpcenv->get_user(); | |
783 | ||
784 | $rpcenv->fork_worker('imgdel', undef, $authuser, $cleanup_worker); | |
785 | } | |
786 | ||
787 | sub vdisk_list { | |
788 | my ($cfg, $storeid, $vmid, $vollist) = @_; | |
789 | ||
790 | my $ids = $cfg->{ids}; | |
791 | ||
792 | storage_check_enabled($cfg, $storeid) if ($storeid); | |
793 | ||
794 | my $res = {}; | |
795 | ||
796 | # prepare/activate/refresh all storages | |
797 | ||
798 | my $storage_list = []; | |
799 | if ($vollist) { | |
800 | foreach my $volid (@$vollist) { | |
801 | my ($sid, undef) = parse_volume_id($volid); | |
802 | next if !defined($ids->{$sid}); | |
803 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
804 | push @$storage_list, $sid; | |
805 | } | |
806 | } else { | |
807 | foreach my $sid (keys %$ids) { | |
808 | next if $storeid && $storeid ne $sid; | |
809 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
810 | push @$storage_list, $sid; | |
811 | } | |
812 | } | |
813 | ||
814 | my $cache = {}; | |
815 | ||
816 | activate_storage_list($cfg, $storage_list, $cache); | |
817 | ||
818 | foreach my $sid (keys %$ids) { | |
819 | next if $storeid && $storeid ne $sid; | |
820 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
821 | ||
822 | my $scfg = $ids->{$sid}; | |
823 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
824 | $res->{$sid} = $plugin->list_images($sid, $scfg, $vmid, $vollist, $cache); | |
825 | @{$res->{$sid}} = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @{$res->{$sid}} if $res->{$sid}; | |
826 | } | |
827 | ||
828 | return $res; | |
829 | } | |
830 | ||
831 | sub template_list { | |
832 | my ($cfg, $storeid, $tt) = @_; | |
833 | ||
834 | die "unknown template type '$tt'\n" | |
835 | if !($tt eq 'iso' || $tt eq 'vztmpl' || $tt eq 'backup' || $tt eq 'snippets'); | |
836 | ||
837 | my $ids = $cfg->{ids}; | |
838 | ||
839 | storage_check_enabled($cfg, $storeid) if ($storeid); | |
840 | ||
841 | my $res = {}; | |
842 | ||
843 | # query the storage | |
844 | foreach my $sid (keys %$ids) { | |
845 | next if $storeid && $storeid ne $sid; | |
846 | ||
847 | my $scfg = $ids->{$sid}; | |
848 | my $type = $scfg->{type}; | |
849 | ||
850 | next if !$scfg->{content}->{$tt}; | |
851 | ||
852 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
853 | ||
854 | $res->{$sid} = volume_list($cfg, $sid, undef, $tt); | |
855 | } | |
856 | ||
857 | return $res; | |
858 | } | |
859 | ||
860 | sub volume_list { | |
861 | my ($cfg, $storeid, $vmid, $content) = @_; | |
862 | ||
863 | my @ctypes = qw(rootdir images vztmpl iso backup snippets); | |
864 | ||
865 | my $cts = $content ? [ $content ] : [ @ctypes ]; | |
866 | ||
867 | my $scfg = PVE::Storage::storage_config($cfg, $storeid); | |
868 | ||
869 | $cts = [ grep { defined($scfg->{content}->{$_}) } @$cts ]; | |
870 | ||
871 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
872 | ||
873 | activate_storage($cfg, $storeid); | |
874 | ||
875 | my $res = $plugin->list_volumes($storeid, $scfg, $vmid, $cts); | |
876 | ||
877 | @$res = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @$res; | |
878 | ||
879 | return $res; | |
880 | } | |
881 | ||
882 | sub uevent_seqnum { | |
883 | ||
884 | my $filename = "/sys/kernel/uevent_seqnum"; | |
885 | ||
886 | my $seqnum = 0; | |
887 | if (my $fh = IO::File->new($filename, "r")) { | |
888 | my $line = <$fh>; | |
889 | if ($line =~ m/^(\d+)$/) { | |
890 | $seqnum = int($1); | |
891 | } | |
892 | close ($fh); | |
893 | } | |
894 | return $seqnum; | |
895 | } | |
896 | ||
897 | sub activate_storage { | |
898 | my ($cfg, $storeid, $cache) = @_; | |
899 | ||
900 | $cache = {} if !$cache; | |
901 | ||
902 | my $scfg = storage_check_enabled($cfg, $storeid); | |
903 | ||
904 | return if $cache->{activated}->{$storeid}; | |
905 | ||
906 | $cache->{uevent_seqnum} = uevent_seqnum() if !$cache->{uevent_seqnum}; | |
907 | ||
908 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
909 | ||
910 | if ($scfg->{base}) { | |
911 | my ($baseid, undef) = parse_volume_id ($scfg->{base}); | |
912 | activate_storage($cfg, $baseid, $cache); | |
913 | } | |
914 | ||
915 | if (!$plugin->check_connection($storeid, $scfg)) { | |
916 | die "storage '$storeid' is not online\n"; | |
917 | } | |
918 | ||
919 | $plugin->activate_storage($storeid, $scfg, $cache); | |
920 | ||
921 | my $newseq = uevent_seqnum (); | |
922 | ||
923 | # only call udevsettle if there are events | |
924 | if ($newseq > $cache->{uevent_seqnum}) { | |
925 | my $timeout = 30; | |
926 | system ("$UDEVADM settle --timeout=$timeout"); # ignore errors | |
927 | $cache->{uevent_seqnum} = $newseq; | |
928 | } | |
929 | ||
930 | $cache->{activated}->{$storeid} = 1; | |
931 | } | |
932 | ||
933 | sub activate_storage_list { | |
934 | my ($cfg, $storeid_list, $cache) = @_; | |
935 | ||
936 | $cache = {} if !$cache; | |
937 | ||
938 | foreach my $storeid (@$storeid_list) { | |
939 | activate_storage($cfg, $storeid, $cache); | |
940 | } | |
941 | } | |
942 | ||
943 | sub deactivate_storage { | |
944 | my ($cfg, $storeid) = @_; | |
945 | ||
946 | my $scfg = storage_config ($cfg, $storeid); | |
947 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
948 | ||
949 | my $cache = {}; | |
950 | $plugin->deactivate_storage($storeid, $scfg, $cache); | |
951 | } | |
952 | ||
953 | sub activate_volumes { | |
954 | my ($cfg, $vollist, $snapname) = @_; | |
955 | ||
956 | return if !($vollist && scalar(@$vollist)); | |
957 | ||
958 | my $storagehash = {}; | |
959 | foreach my $volid (@$vollist) { | |
960 | my ($storeid, undef) = parse_volume_id($volid); | |
961 | $storagehash->{$storeid} = 1; | |
962 | } | |
963 | ||
964 | my $cache = {}; | |
965 | ||
966 | activate_storage_list($cfg, [keys %$storagehash], $cache); | |
967 | ||
968 | foreach my $volid (@$vollist) { | |
969 | my ($storeid, $volname) = parse_volume_id($volid); | |
970 | my $scfg = storage_config($cfg, $storeid); | |
971 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
972 | $plugin->activate_volume($storeid, $scfg, $volname, $snapname, $cache); | |
973 | } | |
974 | } | |
975 | ||
976 | sub deactivate_volumes { | |
977 | my ($cfg, $vollist, $snapname) = @_; | |
978 | ||
979 | return if !($vollist && scalar(@$vollist)); | |
980 | ||
981 | my $cache = {}; | |
982 | ||
983 | my @errlist = (); | |
984 | foreach my $volid (@$vollist) { | |
985 | my ($storeid, $volname) = parse_volume_id($volid); | |
986 | ||
987 | my $scfg = storage_config($cfg, $storeid); | |
988 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
989 | ||
990 | eval { | |
991 | $plugin->deactivate_volume($storeid, $scfg, $volname, $snapname, $cache); | |
992 | }; | |
993 | if (my $err = $@) { | |
994 | warn $err; | |
995 | push @errlist, $volid; | |
996 | } | |
997 | } | |
998 | ||
999 | die "volume deactivation failed: " . join(' ', @errlist) | |
1000 | if scalar(@errlist); | |
1001 | } | |
1002 | ||
1003 | sub storage_info { | |
1004 | my ($cfg, $content, $includeformat) = @_; | |
1005 | ||
1006 | my $ids = $cfg->{ids}; | |
1007 | ||
1008 | my $info = {}; | |
1009 | ||
1010 | my @ctypes = PVE::Tools::split_list($content); | |
1011 | ||
1012 | my $slist = []; | |
1013 | foreach my $storeid (keys %$ids) { | |
1014 | my $storage_enabled = defined(storage_check_enabled($cfg, $storeid, undef, 1)); | |
1015 | ||
1016 | if (defined($content)) { | |
1017 | my $want_ctype = 0; | |
1018 | foreach my $ctype (@ctypes) { | |
1019 | if ($ids->{$storeid}->{content}->{$ctype}) { | |
1020 | $want_ctype = 1; | |
1021 | last; | |
1022 | } | |
1023 | } | |
1024 | next if !$want_ctype || !$storage_enabled; | |
1025 | } | |
1026 | ||
1027 | my $type = $ids->{$storeid}->{type}; | |
1028 | ||
1029 | $info->{$storeid} = { | |
1030 | type => $type, | |
1031 | total => 0, | |
1032 | avail => 0, | |
1033 | used => 0, | |
1034 | shared => $ids->{$storeid}->{shared} ? 1 : 0, | |
1035 | content => PVE::Storage::Plugin::content_hash_to_string($ids->{$storeid}->{content}), | |
1036 | active => 0, | |
1037 | enabled => $storage_enabled ? 1 : 0, | |
1038 | }; | |
1039 | ||
1040 | push @$slist, $storeid; | |
1041 | } | |
1042 | ||
1043 | my $cache = {}; | |
1044 | ||
1045 | foreach my $storeid (keys %$ids) { | |
1046 | my $scfg = $ids->{$storeid}; | |
1047 | ||
1048 | next if !$info->{$storeid}; | |
1049 | next if !$info->{$storeid}->{enabled}; | |
1050 | ||
1051 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
1052 | if ($includeformat) { | |
1053 | my $pd = $plugin->plugindata(); | |
1054 | $info->{$storeid}->{format} = $pd->{format} | |
1055 | if $pd->{format}; | |
1056 | $info->{$storeid}->{select_existing} = $pd->{select_existing} | |
1057 | if $pd->{select_existing}; | |
1058 | } | |
1059 | ||
1060 | eval { activate_storage($cfg, $storeid, $cache); }; | |
1061 | if (my $err = $@) { | |
1062 | warn $err; | |
1063 | next; | |
1064 | } | |
1065 | ||
1066 | my ($total, $avail, $used, $active) = eval { $plugin->status($storeid, $scfg, $cache); }; | |
1067 | warn $@ if $@; | |
1068 | next if !$active; | |
1069 | $info->{$storeid}->{total} = int($total); | |
1070 | $info->{$storeid}->{avail} = int($avail); | |
1071 | $info->{$storeid}->{used} = int($used); | |
1072 | $info->{$storeid}->{active} = $active; | |
1073 | } | |
1074 | ||
1075 | return $info; | |
1076 | } | |
1077 | ||
1078 | sub resolv_server { | |
1079 | my ($server) = @_; | |
1080 | ||
1081 | my ($packed_ip, $family); | |
1082 | eval { | |
1083 | my @res = PVE::Tools::getaddrinfo_all($server); | |
1084 | $family = $res[0]->{family}; | |
1085 | $packed_ip = (PVE::Tools::unpack_sockaddr_in46($res[0]->{addr}))[2]; | |
1086 | }; | |
1087 | if (defined $packed_ip) { | |
1088 | return Socket::inet_ntop($family, $packed_ip); | |
1089 | } | |
1090 | return undef; | |
1091 | } | |
1092 | ||
1093 | sub scan_nfs { | |
1094 | my ($server_in) = @_; | |
1095 | ||
1096 | my $server; | |
1097 | if (!($server = resolv_server ($server_in))) { | |
1098 | die "unable to resolve address for server '${server_in}'\n"; | |
1099 | } | |
1100 | ||
1101 | my $cmd = ['/sbin/showmount', '--no-headers', '--exports', $server]; | |
1102 | ||
1103 | my $res = {}; | |
1104 | run_command($cmd, outfunc => sub { | |
1105 | my $line = shift; | |
1106 | ||
1107 | # note: howto handle white spaces in export path?? | |
1108 | if ($line =~ m!^(/\S+)\s+(.+)$!) { | |
1109 | $res->{$1} = $2; | |
1110 | } | |
1111 | }); | |
1112 | ||
1113 | return $res; | |
1114 | } | |
1115 | ||
1116 | sub scan_cifs { | |
1117 | my ($server_in, $user, $password, $domain) = @_; | |
1118 | ||
1119 | my $server; | |
1120 | if (!($server = resolv_server ($server_in))) { | |
1121 | die "unable to resolve address for server '${server_in}'\n"; | |
1122 | } | |
1123 | ||
1124 | # we support only Windows grater than 2012 cifsscan so use smb3 | |
1125 | my $cmd = ['/usr/bin/smbclient', '-m', 'smb3', '-d', '0', '-L', $server]; | |
1126 | if (defined($user)) { | |
1127 | die "password is required" if !defined($password); | |
1128 | push @$cmd, '-U', "$user\%$password"; | |
1129 | push @$cmd, '-W', $domain if defined($domain); | |
1130 | } else { | |
1131 | push @$cmd, '-N'; | |
1132 | } | |
1133 | ||
1134 | my $res = {}; | |
1135 | run_command($cmd, | |
1136 | outfunc => sub { | |
1137 | my $line = shift; | |
1138 | if ($line =~ m/(\S+)\s*Disk\s*(\S*)/) { | |
1139 | $res->{$1} = $2; | |
1140 | } elsif ($line =~ m/(NT_STATUS_(\S*))/) { | |
1141 | $res->{$1} = ''; | |
1142 | } | |
1143 | }, | |
1144 | errfunc => sub {}, | |
1145 | noerr => 1 | |
1146 | ); | |
1147 | ||
1148 | return $res; | |
1149 | } | |
1150 | ||
1151 | sub scan_zfs { | |
1152 | ||
1153 | my $cmd = ['zfs', 'list', '-t', 'filesystem', '-H', '-o', 'name,avail,used']; | |
1154 | ||
1155 | my $res = []; | |
1156 | run_command($cmd, outfunc => sub { | |
1157 | my $line = shift; | |
1158 | ||
1159 | if ($line =~m/^(\S+)\s+(\S+)\s+(\S+)$/) { | |
1160 | my ($pool, $size_str, $used_str) = ($1, $2, $3); | |
1161 | my $size = PVE::Storage::ZFSPoolPlugin::zfs_parse_size($size_str); | |
1162 | my $used = PVE::Storage::ZFSPoolPlugin::zfs_parse_size($used_str); | |
1163 | # ignore subvolumes generated by our ZFSPoolPlugin | |
1164 | return if $pool =~ m!/subvol-\d+-[^/]+$!; | |
1165 | return if $pool =~ m!/basevol-\d+-[^/]+$!; | |
1166 | push @$res, { pool => $pool, size => $size, free => $size-$used }; | |
1167 | } | |
1168 | }); | |
1169 | ||
1170 | return $res; | |
1171 | } | |
1172 | ||
1173 | sub resolv_portal { | |
1174 | my ($portal, $noerr) = @_; | |
1175 | ||
1176 | my ($server, $port) = PVE::Tools::parse_host_and_port($portal); | |
1177 | if ($server) { | |
1178 | if (my $ip = resolv_server($server)) { | |
1179 | $server = $ip; | |
1180 | $server = "[$server]" if $server =~ /^$IPV6RE$/; | |
1181 | return $port ? "$server:$port" : $server; | |
1182 | } | |
1183 | } | |
1184 | return undef if $noerr; | |
1185 | ||
1186 | raise_param_exc({ portal => "unable to resolve portal address '$portal'" }); | |
1187 | } | |
1188 | ||
1189 | ||
1190 | sub scan_iscsi { | |
1191 | my ($portal_in) = @_; | |
1192 | ||
1193 | my $portal; | |
1194 | if (!($portal = resolv_portal($portal_in))) { | |
1195 | die "unable to parse/resolve portal address '${portal_in}'\n"; | |
1196 | } | |
1197 | ||
1198 | return PVE::Storage::ISCSIPlugin::iscsi_discovery($portal); | |
1199 | } | |
1200 | ||
1201 | sub storage_default_format { | |
1202 | my ($cfg, $storeid) = @_; | |
1203 | ||
1204 | my $scfg = storage_config ($cfg, $storeid); | |
1205 | ||
1206 | return PVE::Storage::Plugin::default_format($scfg); | |
1207 | } | |
1208 | ||
1209 | sub vgroup_is_used { | |
1210 | my ($cfg, $vgname) = @_; | |
1211 | ||
1212 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
1213 | my $scfg = storage_config($cfg, $storeid); | |
1214 | if ($scfg->{type} eq 'lvm' && $scfg->{vgname} eq $vgname) { | |
1215 | return 1; | |
1216 | } | |
1217 | } | |
1218 | ||
1219 | return undef; | |
1220 | } | |
1221 | ||
1222 | sub target_is_used { | |
1223 | my ($cfg, $target) = @_; | |
1224 | ||
1225 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
1226 | my $scfg = storage_config($cfg, $storeid); | |
1227 | if ($scfg->{type} eq 'iscsi' && $scfg->{target} eq $target) { | |
1228 | return 1; | |
1229 | } | |
1230 | } | |
1231 | ||
1232 | return undef; | |
1233 | } | |
1234 | ||
1235 | sub volume_is_used { | |
1236 | my ($cfg, $volid) = @_; | |
1237 | ||
1238 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
1239 | my $scfg = storage_config($cfg, $storeid); | |
1240 | if ($scfg->{base} && $scfg->{base} eq $volid) { | |
1241 | return 1; | |
1242 | } | |
1243 | } | |
1244 | ||
1245 | return undef; | |
1246 | } | |
1247 | ||
1248 | sub storage_is_used { | |
1249 | my ($cfg, $storeid) = @_; | |
1250 | ||
1251 | foreach my $sid (keys %{$cfg->{ids}}) { | |
1252 | my $scfg = storage_config($cfg, $sid); | |
1253 | next if !$scfg->{base}; | |
1254 | my ($st) = parse_volume_id($scfg->{base}); | |
1255 | return 1 if $st && $st eq $storeid; | |
1256 | } | |
1257 | ||
1258 | return undef; | |
1259 | } | |
1260 | ||
1261 | sub foreach_volid { | |
1262 | my ($list, $func) = @_; | |
1263 | ||
1264 | return if !$list; | |
1265 | ||
1266 | foreach my $sid (keys %$list) { | |
1267 | foreach my $info (@{$list->{$sid}}) { | |
1268 | my $volid = $info->{volid}; | |
1269 | my ($sid1, $volname) = parse_volume_id($volid, 1); | |
1270 | if ($sid1 && $sid1 eq $sid) { | |
1271 | &$func ($volid, $sid, $info); | |
1272 | } else { | |
1273 | warn "detected strange volid '$volid' in volume list for '$sid'\n"; | |
1274 | } | |
1275 | } | |
1276 | } | |
1277 | } | |
1278 | ||
1279 | sub extract_vzdump_config_tar { | |
1280 | my ($archive, $conf_re) = @_; | |
1281 | ||
1282 | die "ERROR: file '$archive' does not exist\n" if ! -f $archive; | |
1283 | ||
1284 | my $pid = open(my $fh, '-|', 'tar', 'tf', $archive) || | |
1285 | die "unable to open file '$archive'\n"; | |
1286 | ||
1287 | my $file; | |
1288 | while (defined($file = <$fh>)) { | |
1289 | if ($file =~ $conf_re) { | |
1290 | $file = $1; # untaint | |
1291 | last; | |
1292 | } | |
1293 | } | |
1294 | ||
1295 | kill 15, $pid; | |
1296 | waitpid $pid, 0; | |
1297 | close $fh; | |
1298 | ||
1299 | die "ERROR: archive contains no configuration file\n" if !$file; | |
1300 | chomp $file; | |
1301 | ||
1302 | my $raw = ''; | |
1303 | my $out = sub { | |
1304 | my $output = shift; | |
1305 | $raw .= "$output\n"; | |
1306 | }; | |
1307 | ||
1308 | PVE::Tools::run_command(['tar', '-xpOf', $archive, $file, '--occurrence'], outfunc => $out); | |
1309 | ||
1310 | return wantarray ? ($raw, $file) : $raw; | |
1311 | } | |
1312 | ||
1313 | sub extract_vzdump_config_vma { | |
1314 | my ($archive, $comp) = @_; | |
1315 | ||
1316 | my $cmd; | |
1317 | my $raw = ''; | |
1318 | my $out = sub { | |
1319 | my $output = shift; | |
1320 | $raw .= "$output\n"; | |
1321 | }; | |
1322 | ||
1323 | ||
1324 | if ($comp) { | |
1325 | my $uncomp; | |
1326 | if ($comp eq 'gz') { | |
1327 | $uncomp = ["zcat", $archive]; | |
1328 | } elsif ($comp eq 'lzo') { | |
1329 | $uncomp = ["lzop", "-d", "-c", $archive]; | |
1330 | } else { | |
1331 | die "unknown compression method '$comp'\n"; | |
1332 | } | |
1333 | $cmd = [$uncomp, ["vma", "config", "-"]]; | |
1334 | ||
1335 | # in some cases, lzop/zcat exits with 1 when its stdout pipe is | |
1336 | # closed early by vma, detect this and ignore the exit code later | |
1337 | my $broken_pipe; | |
1338 | my $errstring; | |
1339 | my $err = sub { | |
1340 | my $output = shift; | |
1341 | if ($output =~ m/lzop: Broken pipe: <stdout>/ || $output =~ m/gzip: stdout: Broken pipe/) { | |
1342 | $broken_pipe = 1; | |
1343 | } elsif (!defined ($errstring) && $output !~ m/^\s*$/) { | |
1344 | $errstring = "Failed to extract config from VMA archive: $output\n"; | |
1345 | } | |
1346 | }; | |
1347 | ||
1348 | # in other cases, the pipeline will exit with exit code 141 | |
1349 | # because of the broken pipe, handle / ignore this as well | |
1350 | my $rc; | |
1351 | eval { | |
1352 | $rc = PVE::Tools::run_command($cmd, outfunc => $out, errfunc => $err, noerr => 1); | |
1353 | }; | |
1354 | my $rerr = $@; | |
1355 | ||
1356 | # use exit code if no stderr output and not just broken pipe | |
1357 | if (!$errstring && !$broken_pipe && $rc != 0 && $rc != 141) { | |
1358 | die "$rerr\n" if $rerr; | |
1359 | die "config extraction failed with exit code $rc\n"; | |
1360 | } | |
1361 | die "$errstring\n" if $errstring; | |
1362 | } else { | |
1363 | # simple case without compression and weird piping behaviour | |
1364 | PVE::Tools::run_command(["vma", "config", $archive], outfunc => $out); | |
1365 | } | |
1366 | ||
1367 | return wantarray ? ($raw, undef) : $raw; | |
1368 | } | |
1369 | ||
1370 | sub extract_vzdump_config { | |
1371 | my ($cfg, $volid) = @_; | |
1372 | ||
1373 | my $archive = abs_filesystem_path($cfg, $volid); | |
1374 | ||
1375 | if ($volid =~ /vzdump-(lxc|openvz)-\d+-(\d{4})_(\d{2})_(\d{2})-(\d{2})_(\d{2})_(\d{2})\.(tgz|(tar(\.(gz|lzo))?))$/) { | |
1376 | return extract_vzdump_config_tar($archive, qr!^(\./etc/vzdump/(pct|vps)\.conf)$!); | |
1377 | } elsif ($volid =~ /vzdump-qemu-\d+-(\d{4})_(\d{2})_(\d{2})-(\d{2})_(\d{2})_(\d{2})\.(tgz|((tar|vma)(\.(gz|lzo))?))$/) { | |
1378 | my $format; | |
1379 | my $comp; | |
1380 | if ($7 eq 'tgz') { | |
1381 | $format = 'tar'; | |
1382 | $comp = 'gz'; | |
1383 | } else { | |
1384 | $format = $9; | |
1385 | $comp = $11 if defined($11); | |
1386 | } | |
1387 | ||
1388 | if ($format eq 'tar') { | |
1389 | return extract_vzdump_config_tar($archive, qr!\(\./qemu-server\.conf\)!); | |
1390 | } else { | |
1391 | return extract_vzdump_config_vma($archive, $comp); | |
1392 | } | |
1393 | } else { | |
1394 | die "cannot determine backup guest type for backup archive '$volid'\n"; | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | sub volume_export { | |
1399 | my ($cfg, $fh, $volid, $format, $snapshot, $base_snapshot, $with_snapshots) = @_; | |
1400 | ||
1401 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
1402 | die "cannot export volume '$volid'\n" if !$storeid; | |
1403 | my $scfg = storage_config($cfg, $storeid); | |
1404 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
1405 | return $plugin->volume_export($scfg, $storeid, $fh, $volname, $format, | |
1406 | $snapshot, $base_snapshot, $with_snapshots); | |
1407 | } | |
1408 | ||
1409 | sub volume_import { | |
1410 | my ($cfg, $fh, $volid, $format, $base_snapshot, $with_snapshots) = @_; | |
1411 | ||
1412 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
1413 | die "cannot import into volume '$volid'\n" if !$storeid; | |
1414 | my $scfg = storage_config($cfg, $storeid); | |
1415 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
1416 | return $plugin->volume_import($scfg, $storeid, $fh, $volname, $format, | |
1417 | $base_snapshot, $with_snapshots); | |
1418 | } | |
1419 | ||
1420 | sub volume_export_formats { | |
1421 | my ($cfg, $volid, $snapshot, $base_snapshot, $with_snapshots) = @_; | |
1422 | ||
1423 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
1424 | return if !$storeid; | |
1425 | my $scfg = storage_config($cfg, $storeid); | |
1426 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
1427 | return $plugin->volume_export_formats($scfg, $storeid, $volname, | |
1428 | $snapshot, $base_snapshot, | |
1429 | $with_snapshots); | |
1430 | } | |
1431 | ||
1432 | sub volume_import_formats { | |
1433 | my ($cfg, $volid, $base_snapshot, $with_snapshots) = @_; | |
1434 | ||
1435 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
1436 | return if !$storeid; | |
1437 | my $scfg = storage_config($cfg, $storeid); | |
1438 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
1439 | return $plugin->volume_import_formats($scfg, $storeid, $volname, | |
1440 | $base_snapshot, $with_snapshots); | |
1441 | } | |
1442 | ||
1443 | sub volume_transfer_formats { | |
1444 | my ($cfg, $src_volid, $dst_volid, $snapshot, $base_snapshot, $with_snapshots) = @_; | |
1445 | my @export_formats = volume_export_formats($cfg, $src_volid, $snapshot, $base_snapshot, $with_snapshots); | |
1446 | my @import_formats = volume_import_formats($cfg, $dst_volid, $base_snapshot, $with_snapshots); | |
1447 | my %import_hash = map { $_ => 1 } @import_formats; | |
1448 | my @common = grep { $import_hash{$_} } @export_formats; | |
1449 | return @common; | |
1450 | } | |
1451 | ||
1452 | # bash completion helper | |
1453 | ||
1454 | sub complete_storage { | |
1455 | my ($cmdname, $pname, $cvalue) = @_; | |
1456 | ||
1457 | my $cfg = PVE::Storage::config(); | |
1458 | ||
1459 | return $cmdname eq 'add' ? [] : [ PVE::Storage::storage_ids($cfg) ]; | |
1460 | } | |
1461 | ||
1462 | sub complete_storage_enabled { | |
1463 | my ($cmdname, $pname, $cvalue) = @_; | |
1464 | ||
1465 | my $res = []; | |
1466 | ||
1467 | my $cfg = PVE::Storage::config(); | |
1468 | foreach my $sid (keys %{$cfg->{ids}}) { | |
1469 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
1470 | push @$res, $sid; | |
1471 | } | |
1472 | return $res; | |
1473 | } | |
1474 | ||
1475 | sub complete_content_type { | |
1476 | my ($cmdname, $pname, $cvalue) = @_; | |
1477 | ||
1478 | return [qw(rootdir images vztmpl iso backup snippets)]; | |
1479 | } | |
1480 | ||
1481 | sub complete_volume { | |
1482 | my ($cmdname, $pname, $cvalue) = @_; | |
1483 | ||
1484 | my $cfg = config(); | |
1485 | ||
1486 | my $storage_list = complete_storage_enabled(); | |
1487 | ||
1488 | if ($cvalue =~ m/^([^:]+):/) { | |
1489 | $storage_list = [ $1 ]; | |
1490 | } else { | |
1491 | if (scalar(@$storage_list) > 1) { | |
1492 | # only list storage IDs to avoid large listings | |
1493 | my $res = []; | |
1494 | foreach my $storeid (@$storage_list) { | |
1495 | # Hack: simply return 2 artificial values, so that | |
1496 | # completions does not finish | |
1497 | push @$res, "$storeid:volname", "$storeid:..."; | |
1498 | } | |
1499 | return $res; | |
1500 | } | |
1501 | } | |
1502 | ||
1503 | my $res = []; | |
1504 | foreach my $storeid (@$storage_list) { | |
1505 | my $vollist = PVE::Storage::volume_list($cfg, $storeid); | |
1506 | ||
1507 | foreach my $item (@$vollist) { | |
1508 | push @$res, $item->{volid}; | |
1509 | } | |
1510 | } | |
1511 | ||
1512 | return $res; | |
1513 | } | |
1514 | ||
1515 | # Various io-heavy operations require io/bandwidth limits which can be | |
1516 | # configured on multiple levels: The global defaults in datacenter.cfg, and | |
1517 | # per-storage overrides. When we want to do a restore from storage A to storage | |
1518 | # B, we should take the smaller limit defined for storages A and B, and if no | |
1519 | # such limit was specified, use the one from datacenter.cfg. | |
1520 | sub get_bandwidth_limit { | |
1521 | my ($operation, $storage_list, $override) = @_; | |
1522 | ||
1523 | # called for each limit (global, per-storage) with the 'default' and the | |
1524 | # $operation limit and should udpate $override for every limit affecting | |
1525 | # us. | |
1526 | my $use_global_limits = 0; | |
1527 | my $apply_limit = sub { | |
1528 | my ($bwlimit) = @_; | |
1529 | if (defined($bwlimit)) { | |
1530 | my $limits = PVE::JSONSchema::parse_property_string('bwlimit', $bwlimit); | |
1531 | my $limit = $limits->{$operation} // $limits->{default}; | |
1532 | if (defined($limit)) { | |
1533 | if (!$override || $limit < $override) { | |
1534 | $override = $limit; | |
1535 | } | |
1536 | return; | |
1537 | } | |
1538 | } | |
1539 | # If there was no applicable limit, try to apply the global ones. | |
1540 | $use_global_limits = 1; | |
1541 | }; | |
1542 | ||
1543 | my ($rpcenv, $authuser); | |
1544 | if (defined($override)) { | |
1545 | $rpcenv = PVE::RPCEnvironment->get(); | |
1546 | $authuser = $rpcenv->get_user(); | |
1547 | } | |
1548 | ||
1549 | # Apply per-storage limits - if there are storages involved. | |
1550 | if (defined($storage_list) && @$storage_list) { | |
1551 | my $config = config(); | |
1552 | ||
1553 | # The Datastore.Allocate permission allows us to modify the per-storage | |
1554 | # limits, therefore it also allows us to override them. | |
1555 | # Since we have most likely multiple storages to check, do a quick check on | |
1556 | # the general '/storage' path to see if we can skip the checks entirely: | |
1557 | return $override if $rpcenv && $rpcenv->check($authuser, '/storage', ['Datastore.Allocate'], 1); | |
1558 | ||
1559 | my %done; | |
1560 | foreach my $storage (@$storage_list) { | |
1561 | next if !defined($storage); | |
1562 | # Avoid duplicate checks: | |
1563 | next if $done{$storage}; | |
1564 | $done{$storage} = 1; | |
1565 | ||
1566 | # Otherwise we may still have individual /storage/$ID permissions: | |
1567 | if (!$rpcenv || !$rpcenv->check($authuser, "/storage/$storage", ['Datastore.Allocate'], 1)) { | |
1568 | # And if not: apply the limits. | |
1569 | my $storecfg = storage_config($config, $storage); | |
1570 | $apply_limit->($storecfg->{bwlimit}); | |
1571 | } | |
1572 | } | |
1573 | ||
1574 | # Storage limits take precedence over the datacenter defaults, so if | |
1575 | # a limit was applied: | |
1576 | return $override if !$use_global_limits; | |
1577 | } | |
1578 | ||
1579 | # Sys.Modify on '/' means we can change datacenter.cfg which contains the | |
1580 | # global default limits. | |
1581 | if (!$rpcenv || !$rpcenv->check($authuser, '/', ['Sys.Modify'], 1)) { | |
1582 | # So if we cannot modify global limits, apply them to our currently | |
1583 | # requested override. | |
1584 | my $dc = cfs_read_file('datacenter.cfg'); | |
1585 | $apply_limit->($dc->{bwlimit}); | |
1586 | } | |
1587 | ||
1588 | return $override; | |
1589 | } | |
1590 | ||
1591 | # checks if the storage id is available and dies if not | |
1592 | sub assert_sid_unused { | |
1593 | my ($sid) = @_; | |
1594 | ||
1595 | my $cfg = config(); | |
1596 | if (my $scfg = storage_config($cfg, $sid, 1)) { | |
1597 | die "storage ID '$sid' already defined\n"; | |
1598 | } | |
1599 | ||
1600 | return undef; | |
1601 | } | |
1602 | ||
1603 | 1; |