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271fe394 DM |
1 | package PVE::Storage::PBSPlugin; |
2 | ||
3 | # Plugin to access Proxmox Backup Server | |
4 | ||
5 | use strict; | |
6 | use warnings; | |
76bb5feb | 7 | use Fcntl qw(F_GETFD F_SETFD FD_CLOEXEC); |
271fe394 | 8 | use HTTP::Request; |
76bb5feb | 9 | use IO::File; |
271fe394 | 10 | use JSON; |
76bb5feb WB |
11 | use LWP::UserAgent; |
12 | use POSIX qw(strftime ENOENT); | |
271fe394 DM |
13 | |
14 | use PVE::Tools qw(run_command file_read_firstline trim dir_glob_regex dir_glob_foreach); | |
15 | use PVE::Storage::Plugin; | |
16 | use PVE::JSONSchema qw(get_standard_option); | |
17 | ||
18 | use base qw(PVE::Storage::Plugin); | |
19 | ||
20 | # Configuration | |
21 | ||
22 | sub type { | |
23 | return 'pbs'; | |
24 | } | |
25 | ||
26 | sub plugindata { | |
27 | return { | |
28 | content => [ {backup => 1, none => 1}, { backup => 1 }], | |
29 | }; | |
30 | } | |
31 | ||
32 | sub properties { | |
33 | return { | |
34 | datastore => { | |
35 | description => "Proxmox backup server datastore name.", | |
36 | type => 'string', | |
37 | }, | |
38 | # openssl s_client -connect <host>:8007 2>&1 |openssl x509 -fingerprint -sha256 | |
39 | fingerprint => get_standard_option('fingerprint-sha256'), | |
ce2e2733 | 40 | 'encryption-key' => { |
1aeb322b | 41 | description => "Encryption key. Use 'autogen' to generate one automatically without passphrase.", |
76bb5feb WB |
42 | type => 'string', |
43 | }, | |
271fe394 DM |
44 | }; |
45 | } | |
46 | ||
47 | sub options { | |
48 | return { | |
49 | server => { fixed => 1 }, | |
50 | datastore => { fixed => 1 }, | |
51 | nodes => { optional => 1}, | |
52 | disable => { optional => 1}, | |
53 | content => { optional => 1}, | |
54 | username => { optional => 1 }, | |
ce2e2733 TL |
55 | password => { optional => 1 }, |
56 | 'encryption-key' => { optional => 1 }, | |
271fe394 | 57 | maxfiles => { optional => 1 }, |
3353698f | 58 | 'prune-backups' => { optional => 1 }, |
271fe394 DM |
59 | fingerprint => { optional => 1 }, |
60 | }; | |
61 | } | |
62 | ||
63 | # Helpers | |
64 | ||
65 | sub pbs_password_file_name { | |
66 | my ($scfg, $storeid) = @_; | |
67 | ||
462537a2 | 68 | return "/etc/pve/priv/storage/${storeid}.pw"; |
271fe394 DM |
69 | } |
70 | ||
71 | sub pbs_set_password { | |
72 | my ($scfg, $storeid, $password) = @_; | |
73 | ||
74 | my $pwfile = pbs_password_file_name($scfg, $storeid); | |
9e34813f | 75 | mkdir "/etc/pve/priv/storage"; |
271fe394 DM |
76 | |
77 | PVE::Tools::file_set_contents($pwfile, "$password\n"); | |
78 | } | |
79 | ||
80 | sub pbs_delete_password { | |
81 | my ($scfg, $storeid) = @_; | |
82 | ||
83 | my $pwfile = pbs_password_file_name($scfg, $storeid); | |
84 | ||
85 | unlink $pwfile; | |
86 | } | |
87 | ||
88 | sub pbs_get_password { | |
89 | my ($scfg, $storeid) = @_; | |
90 | ||
91 | my $pwfile = pbs_password_file_name($scfg, $storeid); | |
92 | ||
93 | return PVE::Tools::file_read_firstline($pwfile); | |
94 | } | |
95 | ||
76bb5feb WB |
96 | sub pbs_encryption_key_file_name { |
97 | my ($scfg, $storeid) = @_; | |
98 | ||
99 | return "/etc/pve/priv/storage/${storeid}.enc"; | |
100 | } | |
101 | ||
102 | sub pbs_set_encryption_key { | |
103 | my ($scfg, $storeid, $key) = @_; | |
104 | ||
105 | my $pwfile = pbs_encryption_key_file_name($scfg, $storeid); | |
106 | mkdir "/etc/pve/priv/storage"; | |
107 | ||
108 | PVE::Tools::file_set_contents($pwfile, "$key\n"); | |
109 | } | |
110 | ||
111 | sub pbs_delete_encryption_key { | |
112 | my ($scfg, $storeid) = @_; | |
113 | ||
114 | my $pwfile = pbs_encryption_key_file_name($scfg, $storeid); | |
115 | ||
116 | unlink $pwfile; | |
117 | } | |
118 | ||
119 | sub pbs_get_encryption_key { | |
120 | my ($scfg, $storeid) = @_; | |
121 | ||
122 | my $pwfile = pbs_encryption_key_file_name($scfg, $storeid); | |
123 | ||
124 | return PVE::Tools::file_get_contents($pwfile); | |
125 | } | |
126 | ||
127 | # Returns a file handle if there is an encryption key, or `undef` if there is not. Dies on error. | |
128 | sub pbs_open_encryption_key { | |
129 | my ($scfg, $storeid) = @_; | |
130 | ||
131 | my $encryption_key_file = pbs_encryption_key_file_name($scfg, $storeid); | |
132 | ||
133 | my $keyfd; | |
134 | if (!open($keyfd, '<', $encryption_key_file)) { | |
135 | return undef if $! == ENOENT; | |
136 | die "failed to open encryption key: $encryption_key_file: $!\n"; | |
137 | } | |
138 | ||
139 | return $keyfd; | |
140 | } | |
141 | ||
8602fd56 FE |
142 | sub print_volid { |
143 | my ($storeid, $btype, $bid, $btime) = @_; | |
144 | ||
145 | my $time_str = strftime("%FT%TZ", gmtime($btime)); | |
146 | my $volname = "backup/${btype}/${bid}/${time_str}"; | |
147 | ||
148 | return "${storeid}:${volname}"; | |
149 | } | |
271fe394 | 150 | |
02cc5e10 WB |
151 | my $USE_CRYPT_PARAMS = { |
152 | backup => 1, | |
153 | restore => 1, | |
154 | 'upload-log' => 1, | |
155 | }; | |
156 | ||
76bb5feb | 157 | my sub do_raw_client_cmd { |
02cc5e10 WB |
158 | my ($scfg, $storeid, $client_cmd, $param, %opts) = @_; |
159 | ||
160 | my $use_crypto = $USE_CRYPT_PARAMS->{$client_cmd}; | |
271fe394 | 161 | |
1574a590 TL |
162 | my $client_exe = '/usr/bin/proxmox-backup-client'; |
163 | die "executable not found '$client_exe'! Proxmox backup client not installed?\n" | |
164 | if ! -x $client_exe; | |
165 | ||
271fe394 DM |
166 | my $server = $scfg->{server}; |
167 | my $datastore = $scfg->{datastore}; | |
168 | my $username = $scfg->{username} // 'root@pam'; | |
169 | ||
170 | my $userns_cmd = delete $opts{userns_cmd}; | |
171 | ||
172 | my $cmd = []; | |
173 | ||
174 | push @$cmd, @$userns_cmd if defined($userns_cmd); | |
175 | ||
1574a590 | 176 | push @$cmd, $client_exe, $client_cmd; |
271fe394 | 177 | |
76bb5feb WB |
178 | # This must live in the top scope to not get closed before the `run_command` |
179 | my $keyfd; | |
02cc5e10 | 180 | if ($use_crypto) { |
76bb5feb WB |
181 | if (defined($keyfd = pbs_open_encryption_key($scfg, $storeid))) { |
182 | my $flags = fcntl($keyfd, F_GETFD, 0) | |
183 | // die "failed to get file descriptor flags: $!\n"; | |
184 | fcntl($keyfd, F_SETFD, $flags & ~FD_CLOEXEC) | |
185 | or die "failed to remove FD_CLOEXEC from encryption key file descriptor\n"; | |
186 | push @$cmd, '--crypt-mode=encrypt', '--keyfd='.fileno($keyfd); | |
187 | } else { | |
188 | push @$cmd, '--crypt-mode=none'; | |
189 | } | |
190 | } | |
191 | ||
271fe394 DM |
192 | push @$cmd, @$param if defined($param); |
193 | ||
194 | push @$cmd, "--repository", "$username\@$server:$datastore"; | |
195 | ||
196 | local $ENV{PBS_PASSWORD} = pbs_get_password($scfg, $storeid); | |
197 | ||
198 | local $ENV{PBS_FINGERPRINT} = $scfg->{fingerprint}; | |
199 | ||
8b4c2a7e DM |
200 | # no ascii-art on task logs |
201 | local $ENV{PROXMOX_OUTPUT_NO_BORDER} = 1; | |
202 | local $ENV{PROXMOX_OUTPUT_NO_HEADER} = 1; | |
203 | ||
271fe394 | 204 | if (my $logfunc = $opts{logfunc}) { |
e6d1edcb | 205 | $logfunc->("run: " . join(' ', @$cmd)); |
271fe394 DM |
206 | } |
207 | ||
208 | run_command($cmd, %opts); | |
209 | } | |
210 | ||
76bb5feb WB |
211 | # FIXME: External perl code should NOT have access to this. |
212 | # | |
213 | # There should be separate functions to | |
214 | # - make backups | |
215 | # - restore backups | |
216 | # - restore files | |
217 | # with a sane API | |
02cc5e10 | 218 | sub run_raw_client_cmd { |
76bb5feb | 219 | my ($scfg, $storeid, $client_cmd, $param, %opts) = @_; |
02cc5e10 | 220 | return do_raw_client_cmd($scfg, $storeid, $client_cmd, $param, %opts); |
76bb5feb WB |
221 | } |
222 | ||
271fe394 DM |
223 | sub run_client_cmd { |
224 | my ($scfg, $storeid, $client_cmd, $param, $no_output) = @_; | |
225 | ||
226 | my $json_str = ''; | |
fee2ece3 | 227 | my $outfunc = sub { $json_str .= "$_[0]\n" }; |
271fe394 DM |
228 | |
229 | $param = [] if !defined($param); | |
230 | $param = [ $param ] if !ref($param); | |
231 | ||
232 | $param = [@$param, '--output-format=json'] if !$no_output; | |
233 | ||
02cc5e10 | 234 | do_raw_client_cmd($scfg, $storeid, $client_cmd, $param, |
76bb5feb | 235 | outfunc => $outfunc, errmsg => 'proxmox-backup-client failed'); |
271fe394 DM |
236 | |
237 | return undef if $no_output; | |
238 | ||
239 | my $res = decode_json($json_str); | |
240 | ||
241 | return $res; | |
242 | } | |
243 | ||
244 | # Storage implementation | |
245 | ||
c855ac15 DM |
246 | sub extract_vzdump_config { |
247 | my ($class, $scfg, $volname, $storeid) = @_; | |
248 | ||
249 | my ($vtype, $name, $vmid, undef, undef, undef, $format) = $class->parse_volname($volname); | |
250 | ||
251 | my $config = ''; | |
fee2ece3 | 252 | my $outfunc = sub { $config .= "$_[0]\n" }; |
c855ac15 DM |
253 | |
254 | my $config_name; | |
255 | if ($format eq 'pbs-vm') { | |
256 | $config_name = 'qemu-server.conf'; | |
257 | } elsif ($format eq 'pbs-ct') { | |
258 | $config_name = 'pct.conf'; | |
259 | } else { | |
260 | die "unable to extract configuration for backup format '$format'\n"; | |
261 | } | |
262 | ||
02cc5e10 | 263 | do_raw_client_cmd($scfg, $storeid, 'restore', [ $name, $config_name, '-' ], |
76bb5feb | 264 | outfunc => $outfunc, errmsg => 'proxmox-backup-client failed'); |
c855ac15 DM |
265 | |
266 | return $config; | |
267 | } | |
268 | ||
8f26b391 FE |
269 | sub prune_backups { |
270 | my ($class, $scfg, $storeid, $keep, $vmid, $type, $dryrun, $logfunc) = @_; | |
271 | ||
272 | $logfunc //= sub { print "$_[1]\n" }; | |
273 | ||
274 | my $backups = $class->list_volumes($storeid, $scfg, $vmid, ['backup']); | |
275 | ||
276 | $type = 'vm' if defined($type) && $type eq 'qemu'; | |
277 | $type = 'ct' if defined($type) && $type eq 'lxc'; | |
278 | ||
279 | my $backup_groups = {}; | |
280 | foreach my $backup (@{$backups}) { | |
281 | (my $backup_type = $backup->{format}) =~ s/^pbs-//; | |
282 | ||
283 | next if defined($type) && $backup_type ne $type; | |
284 | ||
285 | my $backup_group = "$backup_type/$backup->{vmid}"; | |
286 | $backup_groups->{$backup_group} = 1; | |
287 | } | |
288 | ||
289 | my @param; | |
290 | foreach my $opt (keys %{$keep}) { | |
291 | push @param, "--$opt"; | |
292 | push @param, "$keep->{$opt}"; | |
293 | } | |
294 | ||
295 | push @param, '--dry-run' if $dryrun; | |
296 | ||
297 | my $prune_list = []; | |
298 | my $failed; | |
299 | ||
300 | foreach my $backup_group (keys %{$backup_groups}) { | |
301 | $logfunc->('info', "running 'proxmox-backup-client prune' for '$backup_group'") | |
302 | if !$dryrun; | |
303 | eval { | |
304 | my $res = run_client_cmd($scfg, $storeid, 'prune', [ $backup_group, @param ]); | |
305 | ||
306 | foreach my $backup (@{$res}) { | |
307 | die "result from proxmox-backup-client is not as expected\n" | |
308 | if !defined($backup->{'backup-time'}) | |
309 | || !defined($backup->{'backup-type'}) | |
310 | || !defined($backup->{'backup-id'}) | |
311 | || !defined($backup->{'keep'}); | |
312 | ||
313 | my $ctime = $backup->{'backup-time'}; | |
314 | my $type = $backup->{'backup-type'}; | |
315 | my $vmid = $backup->{'backup-id'}; | |
316 | my $volid = print_volid($storeid, $type, $vmid, $ctime); | |
317 | ||
318 | push @{$prune_list}, { | |
319 | ctime => $ctime, | |
320 | mark => $backup->{keep} ? 'keep' : 'remove', | |
321 | type => $type eq 'vm' ? 'qemu' : 'lxc', | |
322 | vmid => $vmid, | |
323 | volid => $volid, | |
324 | }; | |
325 | } | |
326 | }; | |
327 | if (my $err = $@) { | |
328 | $logfunc->('err', "prune '$backup_group': $err\n"); | |
329 | $failed = 1; | |
330 | } | |
331 | } | |
332 | die "error pruning backups - check log\n" if $failed; | |
333 | ||
334 | return $prune_list; | |
335 | } | |
336 | ||
1aeb322b TL |
337 | my $autogen_encryption_key = sub { |
338 | my ($scfg, $storeid) = @_; | |
339 | my $encfile = pbs_encryption_key_file_name($scfg, $storeid); | |
340 | run_command(['proxmox-backup-client', 'key', 'create', '--kdf', 'none', $encfile]); | |
341 | }; | |
342 | ||
271fe394 DM |
343 | sub on_add_hook { |
344 | my ($class, $storeid, $scfg, %param) = @_; | |
345 | ||
76bb5feb WB |
346 | if (defined(my $password = $param{password})) { |
347 | pbs_set_password($scfg, $storeid, $password); | |
b494636a DM |
348 | } else { |
349 | pbs_delete_password($scfg, $storeid); | |
350 | } | |
76bb5feb | 351 | |
ce2e2733 | 352 | if (defined(my $encryption_key = $param{'encryption-key'})) { |
1aeb322b TL |
353 | if ($encryption_key eq 'autogen') { |
354 | $autogen_encryption_key->($scfg, $storeid); | |
355 | } else { | |
356 | pbs_set_encryption_key($scfg, $storeid, $encryption_key); | |
357 | } | |
76bb5feb WB |
358 | } else { |
359 | pbs_delete_encryption_key($scfg, $storeid); | |
360 | } | |
b494636a DM |
361 | } |
362 | ||
363 | sub on_update_hook { | |
364 | my ($class, $storeid, $scfg, %param) = @_; | |
365 | ||
76bb5feb WB |
366 | if (exists($param{password})) { |
367 | if (defined($param{password})) { | |
368 | pbs_set_password($scfg, $storeid, $param{password}); | |
369 | } else { | |
370 | pbs_delete_password($scfg, $storeid); | |
371 | } | |
372 | } | |
b494636a | 373 | |
ce2e2733 TL |
374 | if (exists($param{'encryption-key'})) { |
375 | if (defined(my $encryption_key = delete($param{'encryption-key'}))) { | |
1aeb322b TL |
376 | if ($encryption_key eq 'autogen') { |
377 | $autogen_encryption_key->($scfg, $storeid); | |
378 | } else { | |
379 | pbs_set_encryption_key($scfg, $storeid, $encryption_key); | |
380 | } | |
76bb5feb WB |
381 | } else { |
382 | pbs_delete_encryption_key($scfg, $storeid); | |
383 | } | |
271fe394 DM |
384 | } |
385 | } | |
386 | ||
387 | sub on_delete_hook { | |
388 | my ($class, $storeid, $scfg) = @_; | |
389 | ||
390 | pbs_delete_password($scfg, $storeid); | |
76bb5feb | 391 | pbs_delete_encryption_key($scfg, $storeid); |
271fe394 DM |
392 | } |
393 | ||
394 | sub parse_volname { | |
395 | my ($class, $volname) = @_; | |
396 | ||
397 | if ($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)$!) { | |
398 | my $btype = $1; | |
399 | my $bid = $2; | |
400 | my $btime = $3; | |
401 | my $format = "pbs-$btype"; | |
402 | ||
403 | my $name = "$btype/$bid/$btime"; | |
404 | ||
405 | if ($bid =~ m/^\d+$/) { | |
406 | return ('backup', $name, $bid, undef, undef, undef, $format); | |
407 | } else { | |
408 | return ('backup', $name, undef, undef, undef, undef, $format); | |
409 | } | |
410 | } | |
411 | ||
412 | die "unable to parse PBS volume name '$volname'\n"; | |
413 | } | |
414 | ||
415 | sub path { | |
416 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; | |
417 | ||
418 | die "volume snapshot is not possible on pbs storage" | |
419 | if defined($snapname); | |
420 | ||
421 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
422 | ||
423 | my $server = $scfg->{server}; | |
424 | my $datastore = $scfg->{datastore}; | |
425 | my $username = $scfg->{username} // 'root@pam'; | |
426 | ||
427 | # artifical url - we currently do not use that anywhere | |
428 | my $path = "pbs://$username\@$server:$datastore/$name"; | |
429 | ||
430 | return ($path, $vmid, $vtype); | |
431 | } | |
432 | ||
433 | sub create_base { | |
434 | my ($class, $storeid, $scfg, $volname) = @_; | |
435 | ||
436 | die "can't create base images in pbs storage\n"; | |
437 | } | |
438 | ||
439 | sub clone_image { | |
440 | my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_; | |
441 | ||
442 | die "can't clone images in pbs storage\n"; | |
443 | } | |
444 | ||
445 | sub alloc_image { | |
446 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
447 | ||
448 | die "can't allocate space in pbs storage\n"; | |
449 | } | |
450 | ||
451 | sub free_image { | |
452 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; | |
453 | ||
454 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
455 | ||
456 | run_client_cmd($scfg, $storeid, "forget", [ $name ], 1); | |
457 | } | |
458 | ||
459 | ||
460 | sub list_images { | |
461 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
462 | ||
463 | my $res = []; | |
464 | ||
465 | return $res; | |
466 | } | |
467 | ||
468 | sub list_volumes { | |
469 | my ($class, $storeid, $scfg, $vmid, $content_types) = @_; | |
470 | ||
471 | my $res = []; | |
472 | ||
473 | return $res if !grep { $_ eq 'backup' } @$content_types; | |
474 | ||
475 | my $data = run_client_cmd($scfg, $storeid, "snapshots"); | |
476 | ||
477 | foreach my $item (@$data) { | |
478 | my $btype = $item->{"backup-type"}; | |
479 | my $bid = $item->{"backup-id"}; | |
545e127e | 480 | my $epoch = $item->{"backup-time"}; |
271fe394 DM |
481 | my $size = $item->{size} // 1; |
482 | ||
483 | next if !($btype eq 'vm' || $btype eq 'ct'); | |
484 | next if $bid !~ m/^\d+$/; | |
ddf7fdaa | 485 | next if defined($vmid) && $bid ne $vmid; |
271fe394 | 486 | |
8602fd56 | 487 | my $volid = print_volid($storeid, $btype, $bid, $epoch); |
271fe394 | 488 | |
545e127e | 489 | my $info = { |
c05b1a8c TL |
490 | volid => $volid, |
491 | format => "pbs-$btype", | |
492 | size => $size, | |
493 | content => 'backup', | |
494 | vmid => int($bid), | |
495 | ctime => $epoch, | |
545e127e | 496 | }; |
271fe394 DM |
497 | |
498 | push @$res, $info; | |
499 | } | |
500 | ||
501 | return $res; | |
502 | } | |
503 | ||
504 | sub status { | |
505 | my ($class, $storeid, $scfg, $cache) = @_; | |
506 | ||
507 | my $total = 0; | |
508 | my $free = 0; | |
509 | my $used = 0; | |
510 | my $active = 0; | |
511 | ||
512 | eval { | |
513 | my $res = run_client_cmd($scfg, $storeid, "status"); | |
514 | ||
515 | $active = 1; | |
516 | $total = $res->{total}; | |
517 | $used = $res->{used}; | |
f155c912 TL |
518 | $free = $res->{avail}; |
519 | }; | |
271fe394 DM |
520 | if (my $err = $@) { |
521 | warn $err; | |
522 | } | |
523 | ||
524 | return ($total, $free, $used, $active); | |
525 | } | |
526 | ||
527 | sub activate_storage { | |
528 | my ($class, $storeid, $scfg, $cache) = @_; | |
bb0a0f96 TL |
529 | |
530 | run_client_cmd($scfg, $storeid, "status"); | |
531 | ||
271fe394 DM |
532 | return 1; |
533 | } | |
534 | ||
535 | sub deactivate_storage { | |
536 | my ($class, $storeid, $scfg, $cache) = @_; | |
537 | return 1; | |
538 | } | |
539 | ||
540 | sub activate_volume { | |
541 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
542 | ||
543 | die "volume snapshot is not possible on pbs device" if $snapname; | |
544 | ||
545 | return 1; | |
546 | } | |
547 | ||
548 | sub deactivate_volume { | |
549 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
550 | ||
551 | die "volume snapshot is not possible on pbs device" if $snapname; | |
552 | ||
553 | return 1; | |
554 | } | |
555 | ||
556 | sub volume_size_info { | |
557 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
558 | ||
559 | my ($vtype, $name, undef, undef, undef, undef, $format) = $class->parse_volname($volname); | |
560 | ||
561 | my $data = run_client_cmd($scfg, $storeid, "files", [ $name ]); | |
562 | ||
563 | my $size = 0; | |
564 | foreach my $info (@$data) { | |
565 | $size += $info->{size} if $info->{size}; | |
566 | } | |
567 | ||
568 | my $used = $size; | |
569 | ||
570 | return wantarray ? ($size, $format, $used, undef) : $size; | |
571 | } | |
572 | ||
573 | sub volume_resize { | |
574 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
575 | die "volume resize is not possible on pbs device"; | |
576 | } | |
577 | ||
578 | sub volume_snapshot { | |
579 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
580 | die "volume snapshot is not possible on pbs device"; | |
581 | } | |
582 | ||
583 | sub volume_snapshot_rollback { | |
584 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
585 | die "volume snapshot rollback is not possible on pbs device"; | |
586 | } | |
587 | ||
588 | sub volume_snapshot_delete { | |
589 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
590 | die "volume snapshot delete is not possible on pbs device"; | |
591 | } | |
592 | ||
593 | sub volume_has_feature { | |
594 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
595 | ||
596 | return undef; | |
597 | } | |
598 | ||
599 | 1; |