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1 | package PVE::Storage; | |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
6 | use POSIX; | |
7 | use IO::Select; | |
8 | use IO::File; | |
9 | use File::Basename; | |
10 | use File::Path; | |
11 | use Cwd 'abs_path'; | |
12 | use Socket; | |
13 | ||
14 | use PVE::Tools qw(run_command file_read_firstline); | |
15 | use PVE::Cluster qw(cfs_read_file cfs_lock_file); | |
16 | use PVE::Exception qw(raise_param_exc); | |
17 | use PVE::JSONSchema; | |
18 | use PVE::INotify; | |
19 | use PVE::RPCEnvironment; | |
20 | ||
21 | use PVE::Storage::Plugin; | |
22 | use PVE::Storage::DirPlugin; | |
23 | use PVE::Storage::LVMPlugin; | |
24 | use PVE::Storage::NFSPlugin; | |
25 | use PVE::Storage::ISCSIPlugin; | |
26 | use PVE::Storage::RBDPlugin; | |
27 | use PVE::Storage::SheepdogPlugin; | |
28 | use PVE::Storage::ISCSIDirectPlugin; | |
29 | use PVE::Storage::GlusterfsPlugin; | |
30 | use PVE::Storage::ZFSPoolPlugin; | |
31 | use PVE::Storage::ZFSPlugin; | |
32 | use PVE::Storage::DRBDPlugin; | |
33 | ||
34 | # load and initialize all plugins | |
35 | PVE::Storage::DirPlugin->register(); | |
36 | PVE::Storage::LVMPlugin->register(); | |
37 | PVE::Storage::NFSPlugin->register(); | |
38 | PVE::Storage::ISCSIPlugin->register(); | |
39 | PVE::Storage::RBDPlugin->register(); | |
40 | PVE::Storage::SheepdogPlugin->register(); | |
41 | PVE::Storage::ISCSIDirectPlugin->register(); | |
42 | PVE::Storage::GlusterfsPlugin->register(); | |
43 | PVE::Storage::ZFSPoolPlugin->register(); | |
44 | PVE::Storage::ZFSPlugin->register(); | |
45 | PVE::Storage::DRBDPlugin->register(); | |
46 | PVE::Storage::Plugin->init(); | |
47 | ||
48 | my $UDEVADM = '/sbin/udevadm'; | |
49 | ||
50 | # PVE::Storage utility functions | |
51 | ||
52 | sub config { | |
53 | return cfs_read_file("storage.cfg"); | |
54 | } | |
55 | ||
56 | sub lock_storage_config { | |
57 | my ($code, $errmsg) = @_; | |
58 | ||
59 | cfs_lock_file("storage.cfg", undef, $code); | |
60 | my $err = $@; | |
61 | if ($err) { | |
62 | $errmsg ? die "$errmsg: $err" : die $err; | |
63 | } | |
64 | } | |
65 | ||
66 | sub storage_config { | |
67 | my ($cfg, $storeid, $noerr) = @_; | |
68 | ||
69 | die "no storage id specified\n" if !$storeid; | |
70 | ||
71 | my $scfg = $cfg->{ids}->{$storeid}; | |
72 | ||
73 | die "storage '$storeid' does not exists\n" if (!$noerr && !$scfg); | |
74 | ||
75 | return $scfg; | |
76 | } | |
77 | ||
78 | sub storage_check_node { | |
79 | my ($cfg, $storeid, $node, $noerr) = @_; | |
80 | ||
81 | my $scfg = storage_config($cfg, $storeid); | |
82 | ||
83 | if ($scfg->{nodes}) { | |
84 | $node = PVE::INotify::nodename() if !$node || ($node eq 'localhost'); | |
85 | if (!$scfg->{nodes}->{$node}) { | |
86 | die "storage '$storeid' is not available on node '$node'\n" if !$noerr; | |
87 | return undef; | |
88 | } | |
89 | } | |
90 | ||
91 | return $scfg; | |
92 | } | |
93 | ||
94 | sub storage_check_enabled { | |
95 | my ($cfg, $storeid, $node, $noerr) = @_; | |
96 | ||
97 | my $scfg = storage_config($cfg, $storeid); | |
98 | ||
99 | if ($scfg->{disable}) { | |
100 | die "storage '$storeid' is disabled\n" if !$noerr; | |
101 | return undef; | |
102 | } | |
103 | ||
104 | return storage_check_node($cfg, $storeid, $node, $noerr); | |
105 | } | |
106 | ||
107 | sub storage_ids { | |
108 | my ($cfg) = @_; | |
109 | ||
110 | return keys %{$cfg->{ids}}; | |
111 | } | |
112 | ||
113 | sub file_size_info { | |
114 | my ($filename, $timeout) = @_; | |
115 | ||
116 | return PVE::Storage::Plugin::file_size_info($filename, $timeout); | |
117 | } | |
118 | ||
119 | sub volume_size_info { | |
120 | my ($cfg, $volid, $timeout) = @_; | |
121 | ||
122 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
123 | if ($storeid) { | |
124 | my $scfg = storage_config($cfg, $storeid); | |
125 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
126 | return $plugin->volume_size_info($scfg, $storeid, $volname, $timeout); | |
127 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
128 | return file_size_info($volid, $timeout); | |
129 | } else { | |
130 | return 0; | |
131 | } | |
132 | } | |
133 | ||
134 | sub volume_resize { | |
135 | my ($cfg, $volid, $size, $running) = @_; | |
136 | ||
137 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
138 | if ($storeid) { | |
139 | my $scfg = storage_config($cfg, $storeid); | |
140 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
141 | return $plugin->volume_resize($scfg, $storeid, $volname, $size, $running); | |
142 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
143 | die "resize file/device '$volid' is not possible\n"; | |
144 | } else { | |
145 | die "unable to parse volume ID '$volid'\n"; | |
146 | } | |
147 | } | |
148 | ||
149 | sub volume_rollback_is_possible { | |
150 | my ($cfg, $volid, $snap) = @_; | |
151 | ||
152 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
153 | if ($storeid) { | |
154 | my $scfg = storage_config($cfg, $storeid); | |
155 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
156 | return $plugin->volume_rollback_is_possible($scfg, $storeid, $volname, $snap); | |
157 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
158 | die "snapshot rollback file/device '$volid' is not possible\n"; | |
159 | } else { | |
160 | die "unable to parse volume ID '$volid'\n"; | |
161 | } | |
162 | } | |
163 | ||
164 | sub volume_snapshot { | |
165 | my ($cfg, $volid, $snap) = @_; | |
166 | ||
167 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
168 | if ($storeid) { | |
169 | my $scfg = storage_config($cfg, $storeid); | |
170 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
171 | return $plugin->volume_snapshot($scfg, $storeid, $volname, $snap); | |
172 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
173 | die "snapshot file/device '$volid' is not possible\n"; | |
174 | } else { | |
175 | die "unable to parse volume ID '$volid'\n"; | |
176 | } | |
177 | } | |
178 | ||
179 | sub volume_snapshot_rollback { | |
180 | my ($cfg, $volid, $snap) = @_; | |
181 | ||
182 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
183 | if ($storeid) { | |
184 | my $scfg = storage_config($cfg, $storeid); | |
185 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
186 | $plugin->volume_rollback_is_possible($scfg, $storeid, $volname, $snap); | |
187 | return $plugin->volume_snapshot_rollback($scfg, $storeid, $volname, $snap); | |
188 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
189 | die "snapshot rollback file/device '$volid' is not possible\n"; | |
190 | } else { | |
191 | die "unable to parse volume ID '$volid'\n"; | |
192 | } | |
193 | } | |
194 | ||
195 | sub volume_snapshot_delete { | |
196 | my ($cfg, $volid, $snap, $running) = @_; | |
197 | ||
198 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
199 | if ($storeid) { | |
200 | my $scfg = storage_config($cfg, $storeid); | |
201 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
202 | return $plugin->volume_snapshot_delete($scfg, $storeid, $volname, $snap, $running); | |
203 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
204 | die "snapshot delete file/device '$volid' is not possible\n"; | |
205 | } else { | |
206 | die "unable to parse volume ID '$volid'\n"; | |
207 | } | |
208 | } | |
209 | ||
210 | sub volume_has_feature { | |
211 | my ($cfg, $feature, $volid, $snap, $running) = @_; | |
212 | ||
213 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
214 | if ($storeid) { | |
215 | my $scfg = storage_config($cfg, $storeid); | |
216 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
217 | return $plugin->volume_has_feature($scfg, $feature, $storeid, $volname, $snap, $running); | |
218 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
219 | return undef; | |
220 | } else { | |
221 | return undef; | |
222 | } | |
223 | } | |
224 | ||
225 | sub get_image_dir { | |
226 | my ($cfg, $storeid, $vmid) = @_; | |
227 | ||
228 | my $scfg = storage_config($cfg, $storeid); | |
229 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
230 | ||
231 | my $path = $plugin->get_subdir($scfg, 'images'); | |
232 | ||
233 | return $vmid ? "$path/$vmid" : $path; | |
234 | } | |
235 | ||
236 | sub get_private_dir { | |
237 | my ($cfg, $storeid, $vmid) = @_; | |
238 | ||
239 | my $scfg = storage_config($cfg, $storeid); | |
240 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
241 | ||
242 | my $path = $plugin->get_subdir($scfg, 'rootdir'); | |
243 | ||
244 | return $vmid ? "$path/$vmid" : $path; | |
245 | } | |
246 | ||
247 | sub get_iso_dir { | |
248 | my ($cfg, $storeid) = @_; | |
249 | ||
250 | my $scfg = storage_config($cfg, $storeid); | |
251 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
252 | ||
253 | return $plugin->get_subdir($scfg, 'iso'); | |
254 | } | |
255 | ||
256 | sub get_vztmpl_dir { | |
257 | my ($cfg, $storeid) = @_; | |
258 | ||
259 | my $scfg = storage_config($cfg, $storeid); | |
260 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
261 | ||
262 | return $plugin->get_subdir($scfg, 'vztmpl'); | |
263 | } | |
264 | ||
265 | sub get_backup_dir { | |
266 | my ($cfg, $storeid) = @_; | |
267 | ||
268 | my $scfg = storage_config($cfg, $storeid); | |
269 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
270 | ||
271 | return $plugin->get_subdir($scfg, 'backup'); | |
272 | } | |
273 | ||
274 | # library implementation | |
275 | ||
276 | sub parse_vmid { | |
277 | my $vmid = shift; | |
278 | ||
279 | die "VMID '$vmid' contains illegal characters\n" if $vmid !~ m/^\d+$/; | |
280 | ||
281 | return int($vmid); | |
282 | } | |
283 | ||
284 | sub parse_volname { | |
285 | my ($cfg, $volid) = @_; | |
286 | ||
287 | my ($storeid, $volname) = parse_volume_id($volid); | |
288 | ||
289 | my $scfg = storage_config($cfg, $storeid); | |
290 | ||
291 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
292 | return $plugin->parse_volname($volname); | |
293 | } | |
294 | ||
295 | sub parse_volume_id { | |
296 | my ($volid, $noerr) = @_; | |
297 | ||
298 | return PVE::Storage::Plugin::parse_volume_id($volid, $noerr); | |
299 | } | |
300 | ||
301 | sub volume_is_base { | |
302 | my ($cfg, $volid) = @_; | |
303 | ||
304 | my ($sid, $volname) = parse_volume_id($volid, 1); | |
305 | return 0 if !$sid; | |
306 | ||
307 | if (my $scfg = $cfg->{ids}->{$sid}) { | |
308 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
309 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
310 | $plugin->parse_volname($volname); | |
311 | return $isBase ? 1 : 0; | |
312 | } else { | |
313 | # stale volid with undefined storage - so we can just guess | |
314 | if ($volid =~ m/base-/) { | |
315 | return 1; | |
316 | } | |
317 | } | |
318 | ||
319 | return 0; | |
320 | } | |
321 | ||
322 | # try to map a filesystem path to a volume identifier | |
323 | sub path_to_volume_id { | |
324 | my ($cfg, $path) = @_; | |
325 | ||
326 | my $ids = $cfg->{ids}; | |
327 | ||
328 | my ($sid, $volname) = parse_volume_id($path, 1); | |
329 | if ($sid) { | |
330 | if (my $scfg = $ids->{$sid}) { | |
331 | if ($scfg->{path}) { | |
332 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
333 | my ($vtype, $name, $vmid) = $plugin->parse_volname($volname); | |
334 | return ($vtype, $path); | |
335 | } | |
336 | } | |
337 | return (''); | |
338 | } | |
339 | ||
340 | # Note: abs_path() return undef if $path doesn not exist | |
341 | # for example when nfs storage is not mounted | |
342 | $path = abs_path($path) || $path; | |
343 | ||
344 | foreach my $sid (keys %$ids) { | |
345 | my $scfg = $ids->{$sid}; | |
346 | next if !$scfg->{path}; | |
347 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
348 | my $imagedir = $plugin->get_subdir($scfg, 'images'); | |
349 | my $isodir = $plugin->get_subdir($scfg, 'iso'); | |
350 | my $tmpldir = $plugin->get_subdir($scfg, 'vztmpl'); | |
351 | my $backupdir = $plugin->get_subdir($scfg, 'backup'); | |
352 | my $privatedir = $plugin->get_subdir($scfg, 'rootdir'); | |
353 | ||
354 | if ($path =~ m!^$imagedir/(\d+)/([^/\s]+)$!) { | |
355 | my $vmid = $1; | |
356 | my $name = $2; | |
357 | ||
358 | my $vollist = $plugin->list_images($sid, $scfg, $vmid); | |
359 | foreach my $info (@$vollist) { | |
360 | my ($storeid, $volname) = parse_volume_id($info->{volid}); | |
361 | my $volpath = $plugin->path($scfg, $volname, $storeid); | |
362 | if ($volpath eq $path) { | |
363 | return ('images', $info->{volid}); | |
364 | } | |
365 | } | |
366 | } elsif ($path =~ m!^$isodir/([^/]+\.[Ii][Ss][Oo])$!) { | |
367 | my $name = $1; | |
368 | return ('iso', "$sid:iso/$name"); | |
369 | } elsif ($path =~ m!^$tmpldir/([^/]+\.tar\.gz)$!) { | |
370 | my $name = $1; | |
371 | return ('vztmpl', "$sid:vztmpl/$name"); | |
372 | } elsif ($path =~ m!^$privatedir/(\d+)$!) { | |
373 | my $vmid = $1; | |
374 | return ('rootdir', "$sid:rootdir/$vmid"); | |
375 | } elsif ($path =~ m!^$backupdir/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo))$!) { | |
376 | my $name = $1; | |
377 | return ('iso', "$sid:backup/$name"); | |
378 | } | |
379 | } | |
380 | ||
381 | # can't map path to volume id | |
382 | return (''); | |
383 | } | |
384 | ||
385 | sub path { | |
386 | my ($cfg, $volid, $snapname) = @_; | |
387 | ||
388 | my ($storeid, $volname) = parse_volume_id($volid); | |
389 | ||
390 | my $scfg = storage_config($cfg, $storeid); | |
391 | ||
392 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
393 | my ($path, $owner, $vtype) = $plugin->path($scfg, $volname, $storeid, $snapname); | |
394 | return wantarray ? ($path, $owner, $vtype) : $path; | |
395 | } | |
396 | ||
397 | sub abs_filesystem_path { | |
398 | my ($cfg, $volid) = @_; | |
399 | ||
400 | my $path; | |
401 | if (PVE::Storage::parse_volume_id ($volid, 1)) { | |
402 | PVE::Storage::activate_volumes($cfg, [ $volid ]); | |
403 | $path = PVE::Storage::path($cfg, $volid); | |
404 | } else { | |
405 | if (-f $volid) { | |
406 | my $abspath = abs_path($volid); | |
407 | if ($abspath && $abspath =~ m|^(/.+)$|) { | |
408 | $path = $1; # untaint any path | |
409 | } | |
410 | } | |
411 | } | |
412 | ||
413 | die "can't find file '$volid'\n" if !($path && -f $path); | |
414 | ||
415 | return $path; | |
416 | } | |
417 | ||
418 | sub storage_migrate { | |
419 | my ($cfg, $volid, $target_host, $target_storeid, $target_volname) = @_; | |
420 | ||
421 | my ($storeid, $volname) = parse_volume_id($volid); | |
422 | $target_volname = $volname if !$target_volname; | |
423 | ||
424 | my $scfg = storage_config($cfg, $storeid); | |
425 | ||
426 | # no need to migrate shared content | |
427 | return if $storeid eq $target_storeid && $scfg->{shared}; | |
428 | ||
429 | my $tcfg = storage_config($cfg, $target_storeid); | |
430 | ||
431 | my $target_volid = "${target_storeid}:${target_volname}"; | |
432 | ||
433 | my $errstr = "unable to migrate '$volid' to '${target_volid}' on host '$target_host'"; | |
434 | ||
435 | my $sshoptions = "-o 'BatchMode=yes'"; | |
436 | my $ssh = "/usr/bin/ssh $sshoptions"; | |
437 | ||
438 | local $ENV{RSYNC_RSH} = $ssh; | |
439 | ||
440 | # only implemented for file system based storage | |
441 | if ($scfg->{path}) { | |
442 | if ($tcfg->{path}) { | |
443 | ||
444 | my $src_plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
445 | my $dst_plugin = PVE::Storage::Plugin->lookup($tcfg->{type}); | |
446 | my $src = $src_plugin->path($scfg, $volname, $storeid); | |
447 | my $dst = $dst_plugin->path($tcfg, $target_volname, $target_storeid); | |
448 | ||
449 | my $dirname = dirname($dst); | |
450 | ||
451 | if ($tcfg->{shared}) { # we can do a local copy | |
452 | ||
453 | run_command(['/bin/mkdir', '-p', $dirname]); | |
454 | ||
455 | run_command(['/bin/cp', $src, $dst]); | |
456 | ||
457 | } else { | |
458 | ||
459 | run_command(['/usr/bin/ssh', "root\@${target_host}", | |
460 | '/bin/mkdir', '-p', $dirname]); | |
461 | ||
462 | # we use rsync with --sparse, so we can't use --inplace, | |
463 | # so we remove file on the target if it already exists to | |
464 | # save space | |
465 | my ($size, $format) = PVE::Storage::Plugin::file_size_info($src); | |
466 | if ($format && ($format eq 'raw') && $size) { | |
467 | run_command(['/usr/bin/ssh', "root\@${target_host}", | |
468 | 'rm', '-f', $dst], | |
469 | outfunc => sub {}); | |
470 | } | |
471 | ||
472 | my $cmd = ['/usr/bin/rsync', '--progress', '--sparse', '--whole-file', | |
473 | $src, "root\@${target_host}:$dst"]; | |
474 | ||
475 | my $percent = -1; | |
476 | ||
477 | run_command($cmd, outfunc => sub { | |
478 | my $line = shift; | |
479 | ||
480 | if ($line =~ m/^\s*(\d+\s+(\d+)%\s.*)$/) { | |
481 | if ($2 > $percent) { | |
482 | $percent = $2; | |
483 | print "rsync status: $1\n"; | |
484 | *STDOUT->flush(); | |
485 | } | |
486 | } else { | |
487 | print "$line\n"; | |
488 | *STDOUT->flush(); | |
489 | } | |
490 | }); | |
491 | } | |
492 | } else { | |
493 | die "$errstr - target type '$tcfg->{type}' not implemented\n"; | |
494 | } | |
495 | ||
496 | } elsif ($scfg->{type} eq 'zfspool') { | |
497 | ||
498 | if ($tcfg->{type} eq 'zfspool') { | |
499 | ||
500 | die "$errstr - pool on target has not same name as source!" | |
501 | if $tcfg->{pool} ne $scfg->{pool}; | |
502 | ||
503 | my (undef, $volname) = parse_volname($cfg, $volid); | |
504 | ||
505 | my $zfspath = "$scfg->{pool}\/$volname"; | |
506 | ||
507 | my $snap = "zfs snapshot $zfspath\@__migration__"; | |
508 | ||
509 | my $send = "zfs send -v $zfspath\@__migration__ \| ssh root\@$target_host zfs recv $zfspath"; | |
510 | ||
511 | my $destroy_target = "ssh root\@$target_host zfs destroy $zfspath\@__migration__"; | |
512 | run_command($snap); | |
513 | eval{ | |
514 | run_command($send); | |
515 | }; | |
516 | my $err; | |
517 | if ($err = $@){ | |
518 | run_command("zfs destroy $zfspath\@__migration__"); | |
519 | die $err; | |
520 | } | |
521 | run_command($destroy_target); | |
522 | ||
523 | } else { | |
524 | die "$errstr - target type $tcfg->{type} is not valid\n"; | |
525 | } | |
526 | } else { | |
527 | die "$errstr - source type '$scfg->{type}' not implemented\n"; | |
528 | } | |
529 | } | |
530 | ||
531 | sub vdisk_clone { | |
532 | my ($cfg, $volid, $vmid, $snap) = @_; | |
533 | ||
534 | my ($storeid, $volname) = parse_volume_id($volid); | |
535 | ||
536 | my $scfg = storage_config($cfg, $storeid); | |
537 | ||
538 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
539 | ||
540 | activate_storage($cfg, $storeid); | |
541 | ||
542 | # lock shared storage | |
543 | return $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
544 | my $volname = $plugin->clone_image($scfg, $storeid, $volname, $vmid, $snap); | |
545 | return "$storeid:$volname"; | |
546 | }); | |
547 | } | |
548 | ||
549 | sub vdisk_create_base { | |
550 | my ($cfg, $volid) = @_; | |
551 | ||
552 | my ($storeid, $volname) = parse_volume_id($volid); | |
553 | ||
554 | my $scfg = storage_config($cfg, $storeid); | |
555 | ||
556 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
557 | ||
558 | activate_storage($cfg, $storeid); | |
559 | ||
560 | # lock shared storage | |
561 | return $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
562 | my $volname = $plugin->create_base($storeid, $scfg, $volname); | |
563 | return "$storeid:$volname"; | |
564 | }); | |
565 | } | |
566 | ||
567 | sub vdisk_alloc { | |
568 | my ($cfg, $storeid, $vmid, $fmt, $name, $size) = @_; | |
569 | ||
570 | die "no storage id specified\n" if !$storeid; | |
571 | ||
572 | PVE::JSONSchema::parse_storage_id($storeid); | |
573 | ||
574 | my $scfg = storage_config($cfg, $storeid); | |
575 | ||
576 | die "no VMID specified\n" if !$vmid; | |
577 | ||
578 | $vmid = parse_vmid($vmid); | |
579 | ||
580 | my $defformat = PVE::Storage::Plugin::default_format($scfg); | |
581 | ||
582 | $fmt = $defformat if !$fmt; | |
583 | ||
584 | activate_storage($cfg, $storeid); | |
585 | ||
586 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
587 | ||
588 | # lock shared storage | |
589 | return $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
590 | my $old_umask = umask(umask|0037); | |
591 | my $volname = eval { $plugin->alloc_image($storeid, $scfg, $vmid, $fmt, $name, $size) }; | |
592 | my $err = $@; | |
593 | umask $old_umask; | |
594 | die $err if $err; | |
595 | return "$storeid:$volname"; | |
596 | }); | |
597 | } | |
598 | ||
599 | sub vdisk_free { | |
600 | my ($cfg, $volid) = @_; | |
601 | ||
602 | my ($storeid, $volname) = parse_volume_id($volid); | |
603 | ||
604 | my $scfg = storage_config($cfg, $storeid); | |
605 | ||
606 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
607 | ||
608 | activate_storage($cfg, $storeid); | |
609 | ||
610 | my $cleanup_worker; | |
611 | ||
612 | # lock shared storage | |
613 | $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
614 | ||
615 | my ($vtype, $name, $vmid, undef, undef, $isBase) = | |
616 | $plugin->parse_volname($volname); | |
617 | if ($isBase) { | |
618 | my $vollist = $plugin->list_images($storeid, $scfg); | |
619 | foreach my $info (@$vollist) { | |
620 | my (undef, $tmpvolname) = parse_volume_id($info->{volid}); | |
621 | my $basename = undef; | |
622 | my $basevmid = undef; | |
623 | ||
624 | eval{ | |
625 | (undef, undef, undef, $basename, $basevmid) = | |
626 | $plugin->parse_volname($tmpvolname); | |
627 | }; | |
628 | ||
629 | if ($basename && defined($basevmid) && $basevmid == $vmid && $basename eq $name) { | |
630 | die "base volume '$volname' is still in use " . | |
631 | "(use by '$tmpvolname')\n"; | |
632 | } | |
633 | } | |
634 | } | |
635 | $cleanup_worker = $plugin->free_image($storeid, $scfg, $volname, $isBase); | |
636 | }); | |
637 | ||
638 | return if !$cleanup_worker; | |
639 | ||
640 | my $rpcenv = PVE::RPCEnvironment::get(); | |
641 | my $authuser = $rpcenv->get_user(); | |
642 | ||
643 | $rpcenv->fork_worker('imgdel', undef, $authuser, $cleanup_worker); | |
644 | } | |
645 | ||
646 | #list iso or openvz template ($tt = <iso|vztmpl|backup>) | |
647 | sub template_list { | |
648 | my ($cfg, $storeid, $tt) = @_; | |
649 | ||
650 | die "unknown template type '$tt'\n" | |
651 | if !($tt eq 'iso' || $tt eq 'vztmpl' || $tt eq 'backup'); | |
652 | ||
653 | my $ids = $cfg->{ids}; | |
654 | ||
655 | storage_check_enabled($cfg, $storeid) if ($storeid); | |
656 | ||
657 | my $res = {}; | |
658 | ||
659 | # query the storage | |
660 | ||
661 | foreach my $sid (keys %$ids) { | |
662 | next if $storeid && $storeid ne $sid; | |
663 | ||
664 | my $scfg = $ids->{$sid}; | |
665 | my $type = $scfg->{type}; | |
666 | ||
667 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
668 | ||
669 | next if $tt eq 'iso' && !$scfg->{content}->{iso}; | |
670 | next if $tt eq 'vztmpl' && !$scfg->{content}->{vztmpl}; | |
671 | next if $tt eq 'backup' && !$scfg->{content}->{backup}; | |
672 | ||
673 | activate_storage($cfg, $sid); | |
674 | ||
675 | if ($scfg->{path}) { | |
676 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
677 | ||
678 | my $path = $plugin->get_subdir($scfg, $tt); | |
679 | ||
680 | foreach my $fn (<$path/*>) { | |
681 | ||
682 | my $info; | |
683 | ||
684 | if ($tt eq 'iso') { | |
685 | next if $fn !~ m!/([^/]+\.[Ii][Ss][Oo])$!; | |
686 | ||
687 | $info = { volid => "$sid:iso/$1", format => 'iso' }; | |
688 | ||
689 | } elsif ($tt eq 'vztmpl') { | |
690 | next if $fn !~ m!/([^/]+\.tar\.([gx]z))$!; | |
691 | ||
692 | $info = { volid => "$sid:vztmpl/$1", format => "t$2" }; | |
693 | ||
694 | } elsif ($tt eq 'backup') { | |
695 | next if $fn !~ m!/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo))$!; | |
696 | ||
697 | $info = { volid => "$sid:backup/$1", format => $2 }; | |
698 | } | |
699 | ||
700 | $info->{size} = -s $fn; | |
701 | ||
702 | push @{$res->{$sid}}, $info; | |
703 | } | |
704 | ||
705 | } | |
706 | ||
707 | @{$res->{$sid}} = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @{$res->{$sid}} if $res->{$sid}; | |
708 | } | |
709 | ||
710 | return $res; | |
711 | } | |
712 | ||
713 | ||
714 | sub vdisk_list { | |
715 | my ($cfg, $storeid, $vmid, $vollist) = @_; | |
716 | ||
717 | my $ids = $cfg->{ids}; | |
718 | ||
719 | storage_check_enabled($cfg, $storeid) if ($storeid); | |
720 | ||
721 | my $res = {}; | |
722 | ||
723 | # prepare/activate/refresh all storages | |
724 | ||
725 | my $storage_list = []; | |
726 | if ($vollist) { | |
727 | foreach my $volid (@$vollist) { | |
728 | my ($sid, undef) = parse_volume_id($volid); | |
729 | next if !defined($ids->{$sid}); | |
730 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
731 | push @$storage_list, $sid; | |
732 | } | |
733 | } else { | |
734 | foreach my $sid (keys %$ids) { | |
735 | next if $storeid && $storeid ne $sid; | |
736 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
737 | push @$storage_list, $sid; | |
738 | } | |
739 | } | |
740 | ||
741 | my $cache = {}; | |
742 | ||
743 | activate_storage_list($cfg, $storage_list, $cache); | |
744 | ||
745 | foreach my $sid (keys %$ids) { | |
746 | next if $storeid && $storeid ne $sid; | |
747 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
748 | ||
749 | my $scfg = $ids->{$sid}; | |
750 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
751 | $res->{$sid} = $plugin->list_images($sid, $scfg, $vmid, $vollist, $cache); | |
752 | @{$res->{$sid}} = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @{$res->{$sid}} if $res->{$sid}; | |
753 | } | |
754 | ||
755 | return $res; | |
756 | } | |
757 | ||
758 | sub uevent_seqnum { | |
759 | ||
760 | my $filename = "/sys/kernel/uevent_seqnum"; | |
761 | ||
762 | my $seqnum = 0; | |
763 | if (my $fh = IO::File->new($filename, "r")) { | |
764 | my $line = <$fh>; | |
765 | if ($line =~ m/^(\d+)$/) { | |
766 | $seqnum = int($1); | |
767 | } | |
768 | close ($fh); | |
769 | } | |
770 | return $seqnum; | |
771 | } | |
772 | ||
773 | sub activate_storage { | |
774 | my ($cfg, $storeid, $cache) = @_; | |
775 | ||
776 | $cache = {} if !$cache; | |
777 | ||
778 | my $scfg = storage_check_enabled($cfg, $storeid); | |
779 | ||
780 | return if $cache->{activated}->{$storeid}; | |
781 | ||
782 | $cache->{uevent_seqnum} = uevent_seqnum() if !$cache->{uevent_seqnum}; | |
783 | ||
784 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
785 | ||
786 | if ($scfg->{base}) { | |
787 | my ($baseid, undef) = parse_volume_id ($scfg->{base}); | |
788 | activate_storage($cfg, $baseid, $cache); | |
789 | } | |
790 | ||
791 | if (!$plugin->check_connection($storeid, $scfg)) { | |
792 | die "storage '$storeid' is not online\n"; | |
793 | } | |
794 | ||
795 | $plugin->activate_storage($storeid, $scfg, $cache); | |
796 | ||
797 | my $newseq = uevent_seqnum (); | |
798 | ||
799 | # only call udevsettle if there are events | |
800 | if ($newseq > $cache->{uevent_seqnum}) { | |
801 | my $timeout = 30; | |
802 | system ("$UDEVADM settle --timeout=$timeout"); # ignore errors | |
803 | $cache->{uevent_seqnum} = $newseq; | |
804 | } | |
805 | ||
806 | $cache->{activated}->{$storeid} = 1; | |
807 | } | |
808 | ||
809 | sub activate_storage_list { | |
810 | my ($cfg, $storeid_list, $cache) = @_; | |
811 | ||
812 | $cache = {} if !$cache; | |
813 | ||
814 | foreach my $storeid (@$storeid_list) { | |
815 | activate_storage($cfg, $storeid, $cache); | |
816 | } | |
817 | } | |
818 | ||
819 | sub deactivate_storage { | |
820 | my ($cfg, $storeid) = @_; | |
821 | ||
822 | my $scfg = storage_config ($cfg, $storeid); | |
823 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
824 | ||
825 | my $cache = {}; | |
826 | $plugin->deactivate_storage($storeid, $scfg, $cache); | |
827 | } | |
828 | ||
829 | sub activate_volumes { | |
830 | my ($cfg, $vollist, $exclusive) = @_; | |
831 | ||
832 | return if !($vollist && scalar(@$vollist)); | |
833 | ||
834 | my $storagehash = {}; | |
835 | foreach my $volid (@$vollist) { | |
836 | my ($storeid, undef) = parse_volume_id($volid); | |
837 | $storagehash->{$storeid} = 1; | |
838 | } | |
839 | ||
840 | my $cache = {}; | |
841 | ||
842 | activate_storage_list($cfg, [keys %$storagehash], $cache); | |
843 | ||
844 | foreach my $volid (@$vollist) { | |
845 | my ($storeid, $volname) = parse_volume_id($volid); | |
846 | my $scfg = storage_config($cfg, $storeid); | |
847 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
848 | $plugin->activate_volume($storeid, $scfg, $volname, $exclusive, $cache); | |
849 | } | |
850 | } | |
851 | ||
852 | sub deactivate_volumes { | |
853 | my ($cfg, $vollist) = @_; | |
854 | ||
855 | return if !($vollist && scalar(@$vollist)); | |
856 | ||
857 | my $cache = {}; | |
858 | ||
859 | my @errlist = (); | |
860 | foreach my $volid (@$vollist) { | |
861 | my ($storeid, $volname) = parse_volume_id($volid); | |
862 | ||
863 | my $scfg = storage_config($cfg, $storeid); | |
864 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
865 | ||
866 | eval { | |
867 | $plugin->deactivate_volume($storeid, $scfg, $volname, $cache); | |
868 | }; | |
869 | if (my $err = $@) { | |
870 | warn $err; | |
871 | push @errlist, $volid; | |
872 | } | |
873 | } | |
874 | ||
875 | die "volume deativation failed: " . join(' ', @errlist) | |
876 | if scalar(@errlist); | |
877 | } | |
878 | ||
879 | sub storage_info { | |
880 | my ($cfg, $content) = @_; | |
881 | ||
882 | my $ids = $cfg->{ids}; | |
883 | ||
884 | my $info = {}; | |
885 | ||
886 | my @ctypes = PVE::Tools::split_list($content); | |
887 | ||
888 | my $slist = []; | |
889 | foreach my $storeid (keys %$ids) { | |
890 | ||
891 | next if !storage_check_enabled($cfg, $storeid, undef, 1); | |
892 | ||
893 | my $want_ctype = 0; | |
894 | foreach my $ctype (@ctypes) { | |
895 | if ($ids->{$storeid}->{content}->{$ctype}) { | |
896 | $want_ctype = 1; | |
897 | last; | |
898 | } | |
899 | } | |
900 | next if !$want_ctype; | |
901 | ||
902 | my $type = $ids->{$storeid}->{type}; | |
903 | ||
904 | $info->{$storeid} = { | |
905 | type => $type, | |
906 | total => 0, | |
907 | avail => 0, | |
908 | used => 0, | |
909 | shared => $ids->{$storeid}->{shared} ? 1 : 0, | |
910 | content => PVE::Storage::Plugin::content_hash_to_string($ids->{$storeid}->{content}), | |
911 | active => 0, | |
912 | }; | |
913 | ||
914 | push @$slist, $storeid; | |
915 | } | |
916 | ||
917 | my $cache = {}; | |
918 | ||
919 | foreach my $storeid (keys %$ids) { | |
920 | my $scfg = $ids->{$storeid}; | |
921 | next if !$info->{$storeid}; | |
922 | ||
923 | eval { activate_storage($cfg, $storeid, $cache); }; | |
924 | if (my $err = $@) { | |
925 | warn $err; | |
926 | next; | |
927 | } | |
928 | ||
929 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
930 | my ($total, $avail, $used, $active); | |
931 | eval { ($total, $avail, $used, $active) = $plugin->status($storeid, $scfg, $cache); }; | |
932 | warn $@ if $@; | |
933 | next if !$active; | |
934 | $info->{$storeid}->{total} = $total; | |
935 | $info->{$storeid}->{avail} = $avail; | |
936 | $info->{$storeid}->{used} = $used; | |
937 | $info->{$storeid}->{active} = $active; | |
938 | } | |
939 | ||
940 | return $info; | |
941 | } | |
942 | ||
943 | sub resolv_server { | |
944 | my ($server) = @_; | |
945 | ||
946 | my ($packed_ip, $family); | |
947 | eval { | |
948 | my @res = PVE::Tools::getaddrinfo_all($server); | |
949 | $family = $res[0]->{family}; | |
950 | $packed_ip = (PVE::Tools::unpack_sockaddr_in46($res[0]->{addr}))[2]; | |
951 | }; | |
952 | if (defined $packed_ip) { | |
953 | return Socket::inet_ntop($family, $packed_ip); | |
954 | } | |
955 | return undef; | |
956 | } | |
957 | ||
958 | sub scan_nfs { | |
959 | my ($server_in) = @_; | |
960 | ||
961 | my $server; | |
962 | if (!($server = resolv_server ($server_in))) { | |
963 | die "unable to resolve address for server '${server_in}'\n"; | |
964 | } | |
965 | ||
966 | my $cmd = ['/sbin/showmount', '--no-headers', '--exports', $server]; | |
967 | ||
968 | my $res = {}; | |
969 | run_command($cmd, outfunc => sub { | |
970 | my $line = shift; | |
971 | ||
972 | # note: howto handle white spaces in export path?? | |
973 | if ($line =~ m!^(/\S+)\s+(.+)$!) { | |
974 | $res->{$1} = $2; | |
975 | } | |
976 | }); | |
977 | ||
978 | return $res; | |
979 | } | |
980 | ||
981 | sub scan_zfs { | |
982 | ||
983 | my $cmd = ['zpool', 'list', '-H', '-o', 'name,size,free']; | |
984 | ||
985 | my $res = []; | |
986 | run_command($cmd, outfunc => sub { | |
987 | my $line = shift; | |
988 | ||
989 | if ($line =~m/^(\S+)\s+(\S+)\s+(\S+)$/) { | |
990 | my ($pool, $size_str, $free_str) = ($1, $2, $3); | |
991 | my $size = PVE::Storage::ZFSPoolPlugin::zfs_parse_size($size_str); | |
992 | my $free = PVE::Storage::ZFSPoolPlugin::zfs_parse_size($free_str); | |
993 | push @$res, { pool => $pool, size => $size, free => $free }; | |
994 | } | |
995 | }); | |
996 | ||
997 | return $res; | |
998 | } | |
999 | ||
1000 | sub resolv_portal { | |
1001 | my ($portal, $noerr) = @_; | |
1002 | ||
1003 | if ($portal =~ m/^([^:]+)(:(\d+))?$/) { | |
1004 | my $server = $1; | |
1005 | my $port = $3; | |
1006 | ||
1007 | if (my $ip = resolv_server($server)) { | |
1008 | $server = $ip; | |
1009 | return $port ? "$server:$port" : $server; | |
1010 | } | |
1011 | } | |
1012 | return undef if $noerr; | |
1013 | ||
1014 | raise_param_exc({ portal => "unable to resolve portal address '$portal'" }); | |
1015 | } | |
1016 | ||
1017 | # idea is from usbutils package (/usr/bin/usb-devices) script | |
1018 | sub __scan_usb_device { | |
1019 | my ($res, $devpath, $parent, $level) = @_; | |
1020 | ||
1021 | return if ! -d $devpath; | |
1022 | return if $level && $devpath !~ m/^.*[-.](\d+)$/; | |
1023 | my $port = $level ? int($1 - 1) : 0; | |
1024 | ||
1025 | my $busnum = int(file_read_firstline("$devpath/busnum")); | |
1026 | my $devnum = int(file_read_firstline("$devpath/devnum")); | |
1027 | ||
1028 | my $d = { | |
1029 | port => $port, | |
1030 | level => $level, | |
1031 | busnum => $busnum, | |
1032 | devnum => $devnum, | |
1033 | speed => file_read_firstline("$devpath/speed"), | |
1034 | class => hex(file_read_firstline("$devpath/bDeviceClass")), | |
1035 | vendid => file_read_firstline("$devpath/idVendor"), | |
1036 | prodid => file_read_firstline("$devpath/idProduct"), | |
1037 | }; | |
1038 | ||
1039 | if ($level) { | |
1040 | my $usbpath = $devpath; | |
1041 | $usbpath =~ s|^.*/\d+\-||; | |
1042 | $d->{usbpath} = $usbpath; | |
1043 | } | |
1044 | ||
1045 | my $product = file_read_firstline("$devpath/product"); | |
1046 | $d->{product} = $product if $product; | |
1047 | ||
1048 | my $manu = file_read_firstline("$devpath/manufacturer"); | |
1049 | $d->{manufacturer} = $manu if $manu; | |
1050 | ||
1051 | my $serial => file_read_firstline("$devpath/serial"); | |
1052 | $d->{serial} = $serial if $serial; | |
1053 | ||
1054 | push @$res, $d; | |
1055 | ||
1056 | foreach my $subdev (<$devpath/$busnum-*>) { | |
1057 | next if $subdev !~ m|/$busnum-[0-9]+(\.[0-9]+)*$|; | |
1058 | __scan_usb_device($res, $subdev, $devnum, $level + 1); | |
1059 | } | |
1060 | ||
1061 | }; | |
1062 | ||
1063 | sub scan_usb { | |
1064 | ||
1065 | my $devlist = []; | |
1066 | ||
1067 | foreach my $device (</sys/bus/usb/devices/usb*>) { | |
1068 | __scan_usb_device($devlist, $device, 0, 0); | |
1069 | } | |
1070 | ||
1071 | return $devlist; | |
1072 | } | |
1073 | ||
1074 | sub scan_iscsi { | |
1075 | my ($portal_in) = @_; | |
1076 | ||
1077 | my $portal; | |
1078 | if (!($portal = resolv_portal($portal_in))) { | |
1079 | die "unable to parse/resolve portal address '${portal_in}'\n"; | |
1080 | } | |
1081 | ||
1082 | return PVE::Storage::ISCSIPlugin::iscsi_discovery($portal); | |
1083 | } | |
1084 | ||
1085 | sub storage_default_format { | |
1086 | my ($cfg, $storeid) = @_; | |
1087 | ||
1088 | my $scfg = storage_config ($cfg, $storeid); | |
1089 | ||
1090 | return PVE::Storage::Plugin::default_format($scfg); | |
1091 | } | |
1092 | ||
1093 | sub vgroup_is_used { | |
1094 | my ($cfg, $vgname) = @_; | |
1095 | ||
1096 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
1097 | my $scfg = storage_config($cfg, $storeid); | |
1098 | if ($scfg->{type} eq 'lvm' && $scfg->{vgname} eq $vgname) { | |
1099 | return 1; | |
1100 | } | |
1101 | } | |
1102 | ||
1103 | return undef; | |
1104 | } | |
1105 | ||
1106 | sub target_is_used { | |
1107 | my ($cfg, $target) = @_; | |
1108 | ||
1109 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
1110 | my $scfg = storage_config($cfg, $storeid); | |
1111 | if ($scfg->{type} eq 'iscsi' && $scfg->{target} eq $target) { | |
1112 | return 1; | |
1113 | } | |
1114 | } | |
1115 | ||
1116 | return undef; | |
1117 | } | |
1118 | ||
1119 | sub volume_is_used { | |
1120 | my ($cfg, $volid) = @_; | |
1121 | ||
1122 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
1123 | my $scfg = storage_config($cfg, $storeid); | |
1124 | if ($scfg->{base} && $scfg->{base} eq $volid) { | |
1125 | return 1; | |
1126 | } | |
1127 | } | |
1128 | ||
1129 | return undef; | |
1130 | } | |
1131 | ||
1132 | sub storage_is_used { | |
1133 | my ($cfg, $storeid) = @_; | |
1134 | ||
1135 | foreach my $sid (keys %{$cfg->{ids}}) { | |
1136 | my $scfg = storage_config($cfg, $sid); | |
1137 | next if !$scfg->{base}; | |
1138 | my ($st) = parse_volume_id($scfg->{base}); | |
1139 | return 1 if $st && $st eq $storeid; | |
1140 | } | |
1141 | ||
1142 | return undef; | |
1143 | } | |
1144 | ||
1145 | sub foreach_volid { | |
1146 | my ($list, $func) = @_; | |
1147 | ||
1148 | return if !$list; | |
1149 | ||
1150 | foreach my $sid (keys %$list) { | |
1151 | foreach my $info (@{$list->{$sid}}) { | |
1152 | my $volid = $info->{volid}; | |
1153 | my ($sid1, $volname) = parse_volume_id($volid, 1); | |
1154 | if ($sid1 && $sid1 eq $sid) { | |
1155 | &$func ($volid, $sid, $info); | |
1156 | } else { | |
1157 | warn "detected strange volid '$volid' in volume list for '$sid'\n"; | |
1158 | } | |
1159 | } | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | 1; |