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1 | package PVE::Storage::PBSPlugin; | |
2 | ||
3 | # Plugin to access Proxmox Backup Server | |
4 | ||
5 | use strict; | |
6 | use warnings; | |
7 | ||
8 | use Fcntl qw(F_GETFD F_SETFD FD_CLOEXEC); | |
9 | use HTTP::Request; | |
10 | use IO::File; | |
11 | use JSON; | |
12 | use LWP::UserAgent; | |
13 | use POSIX qw(strftime ENOENT); | |
14 | ||
15 | use PVE::JSONSchema qw(get_standard_option); | |
16 | use PVE::Network; | |
17 | use PVE::Storage::Plugin; | |
18 | use PVE::Tools qw(run_command file_read_firstline trim dir_glob_regex dir_glob_foreach $IPV6RE); | |
19 | ||
20 | use base qw(PVE::Storage::Plugin); | |
21 | ||
22 | # Configuration | |
23 | ||
24 | sub type { | |
25 | return 'pbs'; | |
26 | } | |
27 | ||
28 | sub plugindata { | |
29 | return { | |
30 | content => [ {backup => 1, none => 1}, { backup => 1 }], | |
31 | }; | |
32 | } | |
33 | ||
34 | sub properties { | |
35 | return { | |
36 | datastore => { | |
37 | description => "Proxmox Backup Server datastore name.", | |
38 | type => 'string', | |
39 | }, | |
40 | # openssl s_client -connect <host>:8007 2>&1 |openssl x509 -fingerprint -sha256 | |
41 | fingerprint => get_standard_option('fingerprint-sha256'), | |
42 | 'encryption-key' => { | |
43 | description => "Encryption key. Use 'autogen' to generate one automatically without passphrase.", | |
44 | type => 'string', | |
45 | }, | |
46 | port => { | |
47 | description => "For non default port.", | |
48 | type => 'integer', | |
49 | minimum => 1, | |
50 | maximum => 65535, | |
51 | default => 8007, | |
52 | } | |
53 | }; | |
54 | } | |
55 | ||
56 | sub options { | |
57 | return { | |
58 | server => { fixed => 1 }, | |
59 | datastore => { fixed => 1 }, | |
60 | port => { optional => 1 }, | |
61 | nodes => { optional => 1}, | |
62 | disable => { optional => 1}, | |
63 | content => { optional => 1}, | |
64 | username => { optional => 1 }, | |
65 | password => { optional => 1 }, | |
66 | 'encryption-key' => { optional => 1 }, | |
67 | maxfiles => { optional => 1 }, | |
68 | 'prune-backups' => { optional => 1 }, | |
69 | fingerprint => { optional => 1 }, | |
70 | }; | |
71 | } | |
72 | ||
73 | # Helpers | |
74 | ||
75 | sub pbs_password_file_name { | |
76 | my ($scfg, $storeid) = @_; | |
77 | ||
78 | return "/etc/pve/priv/storage/${storeid}.pw"; | |
79 | } | |
80 | ||
81 | sub pbs_set_password { | |
82 | my ($scfg, $storeid, $password) = @_; | |
83 | ||
84 | my $pwfile = pbs_password_file_name($scfg, $storeid); | |
85 | mkdir "/etc/pve/priv/storage"; | |
86 | ||
87 | PVE::Tools::file_set_contents($pwfile, "$password\n"); | |
88 | } | |
89 | ||
90 | sub pbs_delete_password { | |
91 | my ($scfg, $storeid) = @_; | |
92 | ||
93 | my $pwfile = pbs_password_file_name($scfg, $storeid); | |
94 | ||
95 | unlink $pwfile; | |
96 | } | |
97 | ||
98 | sub pbs_get_password { | |
99 | my ($scfg, $storeid) = @_; | |
100 | ||
101 | my $pwfile = pbs_password_file_name($scfg, $storeid); | |
102 | ||
103 | return PVE::Tools::file_read_firstline($pwfile); | |
104 | } | |
105 | ||
106 | sub pbs_encryption_key_file_name { | |
107 | my ($scfg, $storeid) = @_; | |
108 | ||
109 | return "/etc/pve/priv/storage/${storeid}.enc"; | |
110 | } | |
111 | ||
112 | sub pbs_set_encryption_key { | |
113 | my ($scfg, $storeid, $key) = @_; | |
114 | ||
115 | my $pwfile = pbs_encryption_key_file_name($scfg, $storeid); | |
116 | mkdir "/etc/pve/priv/storage"; | |
117 | ||
118 | PVE::Tools::file_set_contents($pwfile, "$key\n"); | |
119 | } | |
120 | ||
121 | sub pbs_delete_encryption_key { | |
122 | my ($scfg, $storeid) = @_; | |
123 | ||
124 | my $pwfile = pbs_encryption_key_file_name($scfg, $storeid); | |
125 | ||
126 | if (!unlink $pwfile) { | |
127 | return if $! == ENOENT; | |
128 | die "failed to delete encryption key! $!\n"; | |
129 | } | |
130 | delete $scfg->{'encryption-key'}; | |
131 | } | |
132 | ||
133 | sub pbs_get_encryption_key { | |
134 | my ($scfg, $storeid) = @_; | |
135 | ||
136 | my $pwfile = pbs_encryption_key_file_name($scfg, $storeid); | |
137 | ||
138 | return PVE::Tools::file_get_contents($pwfile); | |
139 | } | |
140 | ||
141 | # Returns a file handle if there is an encryption key, or `undef` if there is not. Dies on error. | |
142 | sub pbs_open_encryption_key { | |
143 | my ($scfg, $storeid) = @_; | |
144 | ||
145 | my $encryption_key_file = pbs_encryption_key_file_name($scfg, $storeid); | |
146 | ||
147 | my $keyfd; | |
148 | if (!open($keyfd, '<', $encryption_key_file)) { | |
149 | return undef if $! == ENOENT; | |
150 | die "failed to open encryption key: $encryption_key_file: $!\n"; | |
151 | } | |
152 | ||
153 | return $keyfd; | |
154 | } | |
155 | ||
156 | sub print_volid { | |
157 | my ($storeid, $btype, $bid, $btime) = @_; | |
158 | ||
159 | my $time_str = strftime("%FT%TZ", gmtime($btime)); | |
160 | my $volname = "backup/${btype}/${bid}/${time_str}"; | |
161 | ||
162 | return "${storeid}:${volname}"; | |
163 | } | |
164 | ||
165 | my sub get_server_with_port { | |
166 | my ($scfg) = @_; | |
167 | ||
168 | my $server = $scfg->{server}; | |
169 | $server = "[$server]" if $server =~ /^$IPV6RE$/; | |
170 | ||
171 | if (my $port = $scfg->{port}) { | |
172 | $server .= ":$port" if $port != 8007; | |
173 | } | |
174 | return $server; | |
175 | } | |
176 | ||
177 | my $USE_CRYPT_PARAMS = { | |
178 | backup => 1, | |
179 | restore => 1, | |
180 | 'upload-log' => 1, | |
181 | }; | |
182 | ||
183 | my sub do_raw_client_cmd { | |
184 | my ($scfg, $storeid, $client_cmd, $param, %opts) = @_; | |
185 | ||
186 | my $use_crypto = $USE_CRYPT_PARAMS->{$client_cmd}; | |
187 | ||
188 | my $client_exe = '/usr/bin/proxmox-backup-client'; | |
189 | die "executable not found '$client_exe'! Proxmox backup client not installed?\n" | |
190 | if ! -x $client_exe; | |
191 | ||
192 | my $server = get_server_with_port($scfg); | |
193 | my $datastore = $scfg->{datastore}; | |
194 | my $username = $scfg->{username} // 'root@pam'; | |
195 | ||
196 | my $userns_cmd = delete $opts{userns_cmd}; | |
197 | ||
198 | my $cmd = []; | |
199 | ||
200 | push @$cmd, @$userns_cmd if defined($userns_cmd); | |
201 | ||
202 | push @$cmd, $client_exe, $client_cmd; | |
203 | ||
204 | # This must live in the top scope to not get closed before the `run_command` | |
205 | my $keyfd; | |
206 | if ($use_crypto) { | |
207 | if (defined($keyfd = pbs_open_encryption_key($scfg, $storeid))) { | |
208 | my $flags = fcntl($keyfd, F_GETFD, 0) | |
209 | // die "failed to get file descriptor flags: $!\n"; | |
210 | fcntl($keyfd, F_SETFD, $flags & ~FD_CLOEXEC) | |
211 | or die "failed to remove FD_CLOEXEC from encryption key file descriptor\n"; | |
212 | push @$cmd, '--crypt-mode=encrypt', '--keyfd='.fileno($keyfd); | |
213 | } else { | |
214 | push @$cmd, '--crypt-mode=none'; | |
215 | } | |
216 | } | |
217 | ||
218 | push @$cmd, @$param if defined($param); | |
219 | ||
220 | push @$cmd, "--repository", "$username\@$server:$datastore"; | |
221 | ||
222 | local $ENV{PBS_PASSWORD} = pbs_get_password($scfg, $storeid); | |
223 | ||
224 | local $ENV{PBS_FINGERPRINT} = $scfg->{fingerprint}; | |
225 | ||
226 | # no ascii-art on task logs | |
227 | local $ENV{PROXMOX_OUTPUT_NO_BORDER} = 1; | |
228 | local $ENV{PROXMOX_OUTPUT_NO_HEADER} = 1; | |
229 | ||
230 | if (my $logfunc = $opts{logfunc}) { | |
231 | $logfunc->("run: " . join(' ', @$cmd)); | |
232 | } | |
233 | ||
234 | run_command($cmd, %opts); | |
235 | } | |
236 | ||
237 | # FIXME: External perl code should NOT have access to this. | |
238 | # | |
239 | # There should be separate functions to | |
240 | # - make backups | |
241 | # - restore backups | |
242 | # - restore files | |
243 | # with a sane API | |
244 | sub run_raw_client_cmd { | |
245 | my ($scfg, $storeid, $client_cmd, $param, %opts) = @_; | |
246 | return do_raw_client_cmd($scfg, $storeid, $client_cmd, $param, %opts); | |
247 | } | |
248 | ||
249 | sub run_client_cmd { | |
250 | my ($scfg, $storeid, $client_cmd, $param, $no_output) = @_; | |
251 | ||
252 | my $json_str = ''; | |
253 | my $outfunc = sub { $json_str .= "$_[0]\n" }; | |
254 | ||
255 | $param = [] if !defined($param); | |
256 | $param = [ $param ] if !ref($param); | |
257 | ||
258 | $param = [@$param, '--output-format=json'] if !$no_output; | |
259 | ||
260 | do_raw_client_cmd($scfg, $storeid, $client_cmd, $param, | |
261 | outfunc => $outfunc, errmsg => 'proxmox-backup-client failed'); | |
262 | ||
263 | return undef if $no_output; | |
264 | ||
265 | my $res = decode_json($json_str); | |
266 | ||
267 | return $res; | |
268 | } | |
269 | ||
270 | # Storage implementation | |
271 | ||
272 | sub extract_vzdump_config { | |
273 | my ($class, $scfg, $volname, $storeid) = @_; | |
274 | ||
275 | my ($vtype, $name, $vmid, undef, undef, undef, $format) = $class->parse_volname($volname); | |
276 | ||
277 | my $config = ''; | |
278 | my $outfunc = sub { $config .= "$_[0]\n" }; | |
279 | ||
280 | my $config_name; | |
281 | if ($format eq 'pbs-vm') { | |
282 | $config_name = 'qemu-server.conf'; | |
283 | } elsif ($format eq 'pbs-ct') { | |
284 | $config_name = 'pct.conf'; | |
285 | } else { | |
286 | die "unable to extract configuration for backup format '$format'\n"; | |
287 | } | |
288 | ||
289 | do_raw_client_cmd($scfg, $storeid, 'restore', [ $name, $config_name, '-' ], | |
290 | outfunc => $outfunc, errmsg => 'proxmox-backup-client failed'); | |
291 | ||
292 | return $config; | |
293 | } | |
294 | ||
295 | sub prune_backups { | |
296 | my ($class, $scfg, $storeid, $keep, $vmid, $type, $dryrun, $logfunc) = @_; | |
297 | ||
298 | $logfunc //= sub { print "$_[1]\n" }; | |
299 | ||
300 | my $backups = $class->list_volumes($storeid, $scfg, $vmid, ['backup']); | |
301 | ||
302 | $type = 'vm' if defined($type) && $type eq 'qemu'; | |
303 | $type = 'ct' if defined($type) && $type eq 'lxc'; | |
304 | ||
305 | my $backup_groups = {}; | |
306 | foreach my $backup (@{$backups}) { | |
307 | (my $backup_type = $backup->{format}) =~ s/^pbs-//; | |
308 | ||
309 | next if defined($type) && $backup_type ne $type; | |
310 | ||
311 | my $backup_group = "$backup_type/$backup->{vmid}"; | |
312 | $backup_groups->{$backup_group} = 1; | |
313 | } | |
314 | ||
315 | my @param; | |
316 | foreach my $opt (keys %{$keep}) { | |
317 | push @param, "--$opt"; | |
318 | push @param, "$keep->{$opt}"; | |
319 | } | |
320 | ||
321 | push @param, '--dry-run' if $dryrun; | |
322 | ||
323 | my $prune_list = []; | |
324 | my $failed; | |
325 | ||
326 | foreach my $backup_group (keys %{$backup_groups}) { | |
327 | $logfunc->('info', "running 'proxmox-backup-client prune' for '$backup_group'") | |
328 | if !$dryrun; | |
329 | eval { | |
330 | my $res = run_client_cmd($scfg, $storeid, 'prune', [ $backup_group, @param ]); | |
331 | ||
332 | foreach my $backup (@{$res}) { | |
333 | die "result from proxmox-backup-client is not as expected\n" | |
334 | if !defined($backup->{'backup-time'}) | |
335 | || !defined($backup->{'backup-type'}) | |
336 | || !defined($backup->{'backup-id'}) | |
337 | || !defined($backup->{'keep'}); | |
338 | ||
339 | my $ctime = $backup->{'backup-time'}; | |
340 | my $type = $backup->{'backup-type'}; | |
341 | my $vmid = $backup->{'backup-id'}; | |
342 | my $volid = print_volid($storeid, $type, $vmid, $ctime); | |
343 | ||
344 | push @{$prune_list}, { | |
345 | ctime => $ctime, | |
346 | mark => $backup->{keep} ? 'keep' : 'remove', | |
347 | type => $type eq 'vm' ? 'qemu' : 'lxc', | |
348 | vmid => $vmid, | |
349 | volid => $volid, | |
350 | }; | |
351 | } | |
352 | }; | |
353 | if (my $err = $@) { | |
354 | $logfunc->('err', "prune '$backup_group': $err\n"); | |
355 | $failed = 1; | |
356 | } | |
357 | } | |
358 | die "error pruning backups - check log\n" if $failed; | |
359 | ||
360 | return $prune_list; | |
361 | } | |
362 | ||
363 | my $autogen_encryption_key = sub { | |
364 | my ($scfg, $storeid) = @_; | |
365 | my $encfile = pbs_encryption_key_file_name($scfg, $storeid); | |
366 | my $cmd = ['proxmox-backup-client', 'key', 'create', '--kdf', 'none', $encfile]; | |
367 | run_command($cmd, errmsg => 'failed to create encryption key'); | |
368 | return PVE::Tools::file_get_contents($encfile); | |
369 | }; | |
370 | ||
371 | sub on_add_hook { | |
372 | my ($class, $storeid, $scfg, %param) = @_; | |
373 | ||
374 | my $res = {}; | |
375 | ||
376 | if (defined(my $password = $param{password})) { | |
377 | pbs_set_password($scfg, $storeid, $password); | |
378 | } else { | |
379 | pbs_delete_password($scfg, $storeid); | |
380 | } | |
381 | ||
382 | if (defined(my $encryption_key = $param{'encryption-key'})) { | |
383 | if ($encryption_key eq 'autogen') { | |
384 | $res->{'encryption-key'} = $autogen_encryption_key->($scfg, $storeid); | |
385 | } else { | |
386 | pbs_set_encryption_key($scfg, $storeid, $encryption_key); | |
387 | $res->{'encryption-key'} = $encryption_key; | |
388 | } | |
389 | $scfg->{'encryption-key'} = 1; | |
390 | } else { | |
391 | pbs_delete_encryption_key($scfg, $storeid); | |
392 | } | |
393 | ||
394 | return $res; | |
395 | } | |
396 | ||
397 | sub on_update_hook { | |
398 | my ($class, $storeid, $scfg, %param) = @_; | |
399 | ||
400 | my $res = {}; | |
401 | ||
402 | if (exists($param{password})) { | |
403 | if (defined($param{password})) { | |
404 | pbs_set_password($scfg, $storeid, $param{password}); | |
405 | } else { | |
406 | pbs_delete_password($scfg, $storeid); | |
407 | } | |
408 | } | |
409 | ||
410 | if (exists($param{'encryption-key'})) { | |
411 | if (defined(my $encryption_key = delete($param{'encryption-key'}))) { | |
412 | if ($encryption_key eq 'autogen') { | |
413 | $res->{'encryption-key'} = $autogen_encryption_key->($scfg, $storeid); | |
414 | } else { | |
415 | pbs_set_encryption_key($scfg, $storeid, $encryption_key); | |
416 | $res->{'encryption-key'} = $encryption_key; | |
417 | } | |
418 | $scfg->{'encryption-key'} = 1; | |
419 | } else { | |
420 | pbs_delete_encryption_key($scfg, $storeid); | |
421 | } | |
422 | } | |
423 | ||
424 | return $res; | |
425 | } | |
426 | ||
427 | sub on_delete_hook { | |
428 | my ($class, $storeid, $scfg) = @_; | |
429 | ||
430 | pbs_delete_password($scfg, $storeid); | |
431 | pbs_delete_encryption_key($scfg, $storeid); | |
432 | } | |
433 | ||
434 | sub parse_volname { | |
435 | my ($class, $volname) = @_; | |
436 | ||
437 | if ($volname =~ m!^backup/([^\s_]+)/([^\s_]+)/([0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}Z)$!) { | |
438 | my $btype = $1; | |
439 | my $bid = $2; | |
440 | my $btime = $3; | |
441 | my $format = "pbs-$btype"; | |
442 | ||
443 | my $name = "$btype/$bid/$btime"; | |
444 | ||
445 | if ($bid =~ m/^\d+$/) { | |
446 | return ('backup', $name, $bid, undef, undef, undef, $format); | |
447 | } else { | |
448 | return ('backup', $name, undef, undef, undef, undef, $format); | |
449 | } | |
450 | } | |
451 | ||
452 | die "unable to parse PBS volume name '$volname'\n"; | |
453 | } | |
454 | ||
455 | sub path { | |
456 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; | |
457 | ||
458 | die "volume snapshot is not possible on pbs storage" | |
459 | if defined($snapname); | |
460 | ||
461 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
462 | ||
463 | my $server = get_server_with_port($scfg); | |
464 | my $datastore = $scfg->{datastore}; | |
465 | my $username = $scfg->{username} // 'root@pam'; | |
466 | ||
467 | # artifical url - we currently do not use that anywhere | |
468 | my $path = "pbs://$username\@$server:$datastore/$name"; | |
469 | ||
470 | return ($path, $vmid, $vtype); | |
471 | } | |
472 | ||
473 | sub create_base { | |
474 | my ($class, $storeid, $scfg, $volname) = @_; | |
475 | ||
476 | die "can't create base images in pbs storage\n"; | |
477 | } | |
478 | ||
479 | sub clone_image { | |
480 | my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_; | |
481 | ||
482 | die "can't clone images in pbs storage\n"; | |
483 | } | |
484 | ||
485 | sub alloc_image { | |
486 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
487 | ||
488 | die "can't allocate space in pbs storage\n"; | |
489 | } | |
490 | ||
491 | sub free_image { | |
492 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; | |
493 | ||
494 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
495 | ||
496 | run_client_cmd($scfg, $storeid, "forget", [ $name ], 1); | |
497 | } | |
498 | ||
499 | ||
500 | sub list_images { | |
501 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
502 | ||
503 | my $res = []; | |
504 | ||
505 | return $res; | |
506 | } | |
507 | ||
508 | sub list_volumes { | |
509 | my ($class, $storeid, $scfg, $vmid, $content_types) = @_; | |
510 | ||
511 | my $res = []; | |
512 | ||
513 | return $res if !grep { $_ eq 'backup' } @$content_types; | |
514 | ||
515 | my $data = run_client_cmd($scfg, $storeid, "snapshots"); | |
516 | ||
517 | foreach my $item (@$data) { | |
518 | my $btype = $item->{"backup-type"}; | |
519 | my $bid = $item->{"backup-id"}; | |
520 | my $epoch = $item->{"backup-time"}; | |
521 | my $size = $item->{size} // 1; | |
522 | ||
523 | next if !($btype eq 'vm' || $btype eq 'ct'); | |
524 | next if $bid !~ m/^\d+$/; | |
525 | next if defined($vmid) && $bid ne $vmid; | |
526 | ||
527 | my $volid = print_volid($storeid, $btype, $bid, $epoch); | |
528 | ||
529 | my $info = { | |
530 | volid => $volid, | |
531 | format => "pbs-$btype", | |
532 | size => $size, | |
533 | content => 'backup', | |
534 | vmid => int($bid), | |
535 | ctime => $epoch, | |
536 | }; | |
537 | ||
538 | $info->{verification} = $item->{verification} if defined($item->{verification}); | |
539 | $info->{comment} = $item->{comment} if defined($item->{comment}); | |
540 | ||
541 | push @$res, $info; | |
542 | } | |
543 | ||
544 | return $res; | |
545 | } | |
546 | ||
547 | sub status { | |
548 | my ($class, $storeid, $scfg, $cache) = @_; | |
549 | ||
550 | my $total = 0; | |
551 | my $free = 0; | |
552 | my $used = 0; | |
553 | my $active = 0; | |
554 | ||
555 | eval { | |
556 | my $res = run_client_cmd($scfg, $storeid, "status"); | |
557 | ||
558 | $active = 1; | |
559 | $total = $res->{total}; | |
560 | $used = $res->{used}; | |
561 | $free = $res->{avail}; | |
562 | }; | |
563 | if (my $err = $@) { | |
564 | warn $err; | |
565 | } | |
566 | ||
567 | return ($total, $free, $used, $active); | |
568 | } | |
569 | ||
570 | sub activate_storage { | |
571 | my ($class, $storeid, $scfg, $cache) = @_; | |
572 | ||
573 | # a 'status' client command is to expensive here | |
574 | # TODO: use a dummy ping API call to ensure the PBS API daemon is available for real | |
575 | my $server = $scfg->{server}; | |
576 | my $port = $scfg->{port} // 8007; | |
577 | PVE::Network::tcp_ping($server, $port, 2); | |
578 | ||
579 | return 1; | |
580 | } | |
581 | ||
582 | sub deactivate_storage { | |
583 | my ($class, $storeid, $scfg, $cache) = @_; | |
584 | return 1; | |
585 | } | |
586 | ||
587 | sub activate_volume { | |
588 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
589 | ||
590 | die "volume snapshot is not possible on pbs device" if $snapname; | |
591 | ||
592 | return 1; | |
593 | } | |
594 | ||
595 | sub deactivate_volume { | |
596 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
597 | ||
598 | die "volume snapshot is not possible on pbs device" if $snapname; | |
599 | ||
600 | return 1; | |
601 | } | |
602 | ||
603 | sub volume_size_info { | |
604 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
605 | ||
606 | my ($vtype, $name, undef, undef, undef, undef, $format) = $class->parse_volname($volname); | |
607 | ||
608 | my $data = run_client_cmd($scfg, $storeid, "files", [ $name ]); | |
609 | ||
610 | my $size = 0; | |
611 | foreach my $info (@$data) { | |
612 | $size += $info->{size} if $info->{size}; | |
613 | } | |
614 | ||
615 | my $used = $size; | |
616 | ||
617 | return wantarray ? ($size, $format, $used, undef) : $size; | |
618 | } | |
619 | ||
620 | sub volume_resize { | |
621 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
622 | die "volume resize is not possible on pbs device"; | |
623 | } | |
624 | ||
625 | sub volume_snapshot { | |
626 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
627 | die "volume snapshot is not possible on pbs device"; | |
628 | } | |
629 | ||
630 | sub volume_snapshot_rollback { | |
631 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
632 | die "volume snapshot rollback is not possible on pbs device"; | |
633 | } | |
634 | ||
635 | sub volume_snapshot_delete { | |
636 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
637 | die "volume snapshot delete is not possible on pbs device"; | |
638 | } | |
639 | ||
640 | sub volume_has_feature { | |
641 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
642 | ||
643 | return undef; | |
644 | } | |
645 | ||
646 | 1; |