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