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1 | package PVE::Storage::RBDPlugin; | |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use IO::File; | |
6 | use Net::IP; | |
7 | use PVE::Tools qw(run_command trim); | |
8 | use PVE::Storage::Plugin; | |
9 | use PVE::JSONSchema qw(get_standard_option); | |
10 | use PVE::RADOS; | |
11 | use PVE::Storage::CephTools; | |
12 | use JSON; | |
13 | ||
14 | use base qw(PVE::Storage::Plugin); | |
15 | ||
16 | my $get_parent_image_name = sub { | |
17 | my ($parent) = @_; | |
18 | return undef if !$parent; | |
19 | return $parent->{image} . "@" . $parent->{snapshot}; | |
20 | }; | |
21 | ||
22 | my $add_pool_to_disk = sub { | |
23 | my ($scfg, $disk) = @_; | |
24 | ||
25 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
26 | ||
27 | return "$pool/$disk"; | |
28 | }; | |
29 | ||
30 | my $build_cmd = sub { | |
31 | my ($binary, $scfg, $storeid, $op, @options) = @_; | |
32 | ||
33 | my $cmd_option = PVE::Storage::CephTools::ceph_connect_option($scfg, $storeid); | |
34 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
35 | ||
36 | my $cmd = [$binary, '-p', $pool]; | |
37 | ||
38 | push @$cmd, '-c', $cmd_option->{ceph_conf} if ($cmd_option->{ceph_conf}); | |
39 | push @$cmd, '-m', $cmd_option->{mon_host} if ($cmd_option->{mon_host}); | |
40 | push @$cmd, '--auth_supported', $cmd_option->{auth_supported} if ($cmd_option->{auth_supported}); | |
41 | push @$cmd, '-n', "client.$cmd_option->{userid}" if ($cmd_option->{userid}); | |
42 | push @$cmd, '--keyring', $cmd_option->{keyring} if ($cmd_option->{keyring}); | |
43 | ||
44 | push @$cmd, $op; | |
45 | ||
46 | push @$cmd, @options if scalar(@options); | |
47 | ||
48 | return $cmd; | |
49 | }; | |
50 | ||
51 | my $rbd_cmd = sub { | |
52 | my ($scfg, $storeid, $op, @options) = @_; | |
53 | ||
54 | return $build_cmd->('/usr/bin/rbd', $scfg, $storeid, $op, @options); | |
55 | }; | |
56 | ||
57 | my $rados_cmd = sub { | |
58 | my ($scfg, $storeid, $op, @options) = @_; | |
59 | ||
60 | return $build_cmd->('/usr/bin/rados', $scfg, $storeid, $op, @options); | |
61 | }; | |
62 | ||
63 | my $librados_connect = sub { | |
64 | my ($scfg, $storeid, $options) = @_; | |
65 | ||
66 | my $librados_config = PVE::Storage::CephTools::ceph_connect_option($scfg, $storeid); | |
67 | ||
68 | my $rados = PVE::RADOS->new(%$librados_config); | |
69 | ||
70 | return $rados; | |
71 | }; | |
72 | ||
73 | # needed for volumes created using ceph jewel (or higher) | |
74 | my $krbd_feature_disable = sub { | |
75 | my ($scfg, $storeid, $name) = @_; | |
76 | ||
77 | return 1 if !$scfg->{krbd}; | |
78 | ||
79 | my ($major, undef, undef, undef) = ceph_version(); | |
80 | return 1 if $major < 10; | |
81 | ||
82 | my $krbd_feature_blacklist = ['deep-flatten', 'fast-diff', 'object-map', 'exclusive-lock']; | |
83 | my (undef, undef, undef, undef, $features) = rbd_volume_info($scfg, $storeid, $name); | |
84 | ||
85 | my $active_features = { map { $_ => 1 } $features }; | |
86 | my $incompatible_features = join(',', grep { %$active_features{$_} } @$krbd_feature_blacklist); | |
87 | ||
88 | if ($incompatible_features) { | |
89 | my $feature_cmd = &$rbd_cmd($scfg, $storeid, 'feature', 'disable', $name, $incompatible_features); | |
90 | run_rbd_command($feature_cmd, errmsg => "could not disable krbd-incompatible image features of rbd volume $name"); | |
91 | } | |
92 | }; | |
93 | ||
94 | my $ceph_version_parser = sub { | |
95 | my $line = shift; | |
96 | if ($line =~ m/^ceph version ((\d+)\.(\d+)\.(\d+))(?: \([a-fA-F0-9]+\))/) { | |
97 | return ($2, $3, $4, $1); | |
98 | } else { | |
99 | warn "Could not parse Ceph version: '$line'\n"; | |
100 | } | |
101 | }; | |
102 | ||
103 | sub ceph_version { | |
104 | my ($cache) = @_; | |
105 | ||
106 | my $version_string = $cache; | |
107 | ||
108 | my $major; | |
109 | my $minor; | |
110 | my $bugfix; | |
111 | ||
112 | if (defined($version_string)) { | |
113 | ($major, $minor, $bugfix, $version_string) = &$ceph_version_parser($version_string); | |
114 | } else { | |
115 | run_command('ceph --version', outfunc => sub { | |
116 | my $line = shift; | |
117 | ($major, $minor, $bugfix, $version_string) = &$ceph_version_parser($line); | |
118 | }); | |
119 | } | |
120 | return undef if !defined($version_string); | |
121 | return wantarray ? ($major, $minor, $bugfix, $version_string) : $version_string; | |
122 | } | |
123 | ||
124 | sub run_rbd_command { | |
125 | my ($cmd, %args) = @_; | |
126 | ||
127 | my $lasterr; | |
128 | my $errmsg = $args{errmsg} . ": " || ""; | |
129 | if (!exists($args{errfunc})) { | |
130 | # ' error: 2014-02-06 11:51:59.839135 7f09f94d0760 -1 librbd: snap_unprotect: can't unprotect; | |
131 | # at least 1 child(ren) in pool cephstor1 | |
132 | $args{errfunc} = sub { | |
133 | my $line = shift; | |
134 | if ($line =~ m/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d+ [0-9a-f]+ [\-\d]+ librbd: (.*)$/) { | |
135 | $lasterr = "$1\n"; | |
136 | } else { | |
137 | $lasterr = $line; | |
138 | } | |
139 | print STDERR $lasterr; | |
140 | *STDERR->flush(); | |
141 | }; | |
142 | } | |
143 | ||
144 | eval { run_command($cmd, %args); }; | |
145 | if (my $err = $@) { | |
146 | die $errmsg . $lasterr if length($lasterr); | |
147 | die $err; | |
148 | } | |
149 | ||
150 | return undef; | |
151 | } | |
152 | ||
153 | sub rbd_ls { | |
154 | my ($scfg, $storeid) = @_; | |
155 | ||
156 | my $cmd = &$rbd_cmd($scfg, $storeid, 'ls', '-l', '--format', 'json'); | |
157 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
158 | ||
159 | my $raw = ''; | |
160 | my $parser = sub { $raw .= shift }; | |
161 | ||
162 | eval { | |
163 | run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); | |
164 | }; | |
165 | my $err = $@; | |
166 | ||
167 | die $err if $err && $err !~ m/doesn't contain rbd images/ ; | |
168 | ||
169 | my $result = $raw ne '' ? JSON::decode_json($raw) : []; | |
170 | ||
171 | my $list = {}; | |
172 | ||
173 | foreach my $el (@$result) { | |
174 | next if defined($el->{snapshot}); | |
175 | ||
176 | my $image = $el->{image}; | |
177 | ||
178 | my ($owner) = $image =~ m/^(?:vm|base)-(\d+)-/; | |
179 | next if !defined($owner); | |
180 | ||
181 | $list->{$pool}->{$image} = { | |
182 | name => $image, | |
183 | size => $el->{size}, | |
184 | parent => $get_parent_image_name->($el->{parent}), | |
185 | vmid => $owner | |
186 | }; | |
187 | } | |
188 | ||
189 | return $list; | |
190 | } | |
191 | ||
192 | sub rbd_volume_info { | |
193 | my ($scfg, $storeid, $volname, $snap) = @_; | |
194 | ||
195 | my $cmd = undef; | |
196 | ||
197 | my @options = ('info', $volname, '--format', 'json'); | |
198 | if ($snap) { | |
199 | push @options, '--snap', $snap; | |
200 | } | |
201 | ||
202 | $cmd = &$rbd_cmd($scfg, $storeid, @options); | |
203 | ||
204 | my $raw = ''; | |
205 | my $parser = sub { $raw .= shift }; | |
206 | ||
207 | run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); | |
208 | ||
209 | my $volume = $raw ne '' ? JSON::decode_json($raw) : {}; | |
210 | ||
211 | $volume->{parent} = $get_parent_image_name->($volume->{parent}); | |
212 | $volume->{protected} = defined($volume->{protected}) && $volume->{protected} eq "true" ? 1 : undef; | |
213 | ||
214 | return $volume->@{qw(size parent format protected features)}; | |
215 | } | |
216 | ||
217 | # Configuration | |
218 | ||
219 | sub type { | |
220 | return 'rbd'; | |
221 | } | |
222 | ||
223 | sub plugindata { | |
224 | return { | |
225 | content => [ {images => 1, rootdir => 1}, { images => 1 }], | |
226 | }; | |
227 | } | |
228 | ||
229 | sub properties { | |
230 | return { | |
231 | monhost => { | |
232 | description => "IP addresses of monitors (for external clusters).", | |
233 | type => 'string', format => 'pve-storage-portal-dns-list', | |
234 | }, | |
235 | pool => { | |
236 | description => "Pool.", | |
237 | type => 'string', | |
238 | }, | |
239 | username => { | |
240 | description => "RBD Id.", | |
241 | type => 'string', | |
242 | }, | |
243 | authsupported => { | |
244 | description => "Authsupported.", | |
245 | type => 'string', | |
246 | }, | |
247 | krbd => { | |
248 | description => "Access rbd through krbd kernel module.", | |
249 | type => 'boolean', | |
250 | }, | |
251 | }; | |
252 | } | |
253 | ||
254 | sub options { | |
255 | return { | |
256 | nodes => { optional => 1 }, | |
257 | disable => { optional => 1 }, | |
258 | monhost => { optional => 1}, | |
259 | pool => { optional => 1 }, | |
260 | username => { optional => 1 }, | |
261 | content => { optional => 1 }, | |
262 | krbd => { optional => 1 }, | |
263 | bwlimit => { optional => 1 }, | |
264 | }; | |
265 | } | |
266 | ||
267 | # Storage implementation | |
268 | ||
269 | sub on_add_hook { | |
270 | my ($class, $storeid, $scfg, %param) = @_; | |
271 | ||
272 | return if defined($scfg->{monhost}); # nothing to do if not pve managed ceph | |
273 | ||
274 | PVE::Storage::CephTools::ceph_create_keyfile($scfg->{type}, $storeid); | |
275 | } | |
276 | ||
277 | sub on_delete_hook { | |
278 | my ($class, $storeid, $scfg) = @_; | |
279 | ||
280 | return if defined($scfg->{monhost}); # nothing to do if not pve managed ceph | |
281 | ||
282 | PVE::Storage::CephTools::ceph_remove_keyfile($scfg->{type}, $storeid); | |
283 | } | |
284 | ||
285 | sub parse_volname { | |
286 | my ($class, $volname) = @_; | |
287 | ||
288 | if ($volname =~ m/^((base-(\d+)-\S+)\/)?((base)?(vm)?-(\d+)-\S+)$/) { | |
289 | return ('images', $4, $7, $2, $3, $5, 'raw'); | |
290 | } | |
291 | ||
292 | die "unable to parse rbd volume name '$volname'\n"; | |
293 | } | |
294 | ||
295 | sub path { | |
296 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; | |
297 | ||
298 | my $cmd_option = PVE::Storage::CephTools::ceph_connect_option($scfg, $storeid); | |
299 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
300 | $name .= '@'.$snapname if $snapname; | |
301 | ||
302 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
303 | return ("/dev/rbd/$pool/$name", $vmid, $vtype) if $scfg->{krbd}; | |
304 | ||
305 | my $path = "rbd:$pool/$name"; | |
306 | ||
307 | $path .= ":conf=$cmd_option->{ceph_conf}" if $cmd_option->{ceph_conf}; | |
308 | if (defined($scfg->{monhost})) { | |
309 | my $monhost = PVE::Storage::CephTools::hostlist($scfg->{monhost}, ';'); | |
310 | $monhost =~ s/:/\\:/g; | |
311 | $path .= ":mon_host=$monhost"; | |
312 | $path .= ":auth_supported=$cmd_option->{auth_supported}"; | |
313 | } | |
314 | ||
315 | $path .= ":id=$cmd_option->{userid}:keyring=$cmd_option->{keyring}" if ($cmd_option->{keyring}); | |
316 | ||
317 | return ($path, $vmid, $vtype); | |
318 | } | |
319 | ||
320 | my $find_free_diskname = sub { | |
321 | my ($storeid, $scfg, $vmid) = @_; | |
322 | ||
323 | my $cmd = &$rbd_cmd($scfg, $storeid, 'ls'); | |
324 | my $disk_list = []; | |
325 | ||
326 | my $parser = sub { | |
327 | my $line = shift; | |
328 | push @$disk_list, $line; | |
329 | }; | |
330 | ||
331 | eval { | |
332 | run_rbd_command($cmd, errmsg => "rbd error", errfunc => sub {}, outfunc => $parser); | |
333 | }; | |
334 | my $err = $@; | |
335 | ||
336 | die $err if $err && $err !~ m/doesn't contain rbd images/; | |
337 | ||
338 | return PVE::Storage::Plugin::get_next_vm_diskname($disk_list, $storeid, $vmid, undef, $scfg); | |
339 | }; | |
340 | ||
341 | sub create_base { | |
342 | my ($class, $storeid, $scfg, $volname) = @_; | |
343 | ||
344 | my $snap = '__base__'; | |
345 | ||
346 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
347 | $class->parse_volname($volname); | |
348 | ||
349 | die "create_base not possible with base image\n" if $isBase; | |
350 | ||
351 | my ($size, $parent, $format, undef) = rbd_volume_info($scfg, $storeid, $name); | |
352 | die "rbd volume info on '$name' failed\n" if !($size); | |
353 | ||
354 | die "rbd image must be at format V2" if $format ne "2"; | |
355 | ||
356 | die "volname '$volname' contains wrong information about parent $parent $basename\n" | |
357 | if $basename && (!$parent || $parent ne $basename."@".$snap); | |
358 | ||
359 | my $newname = $name; | |
360 | $newname =~ s/^vm-/base-/; | |
361 | ||
362 | my $newvolname = $basename ? "$basename/$newname" : "$newname"; | |
363 | ||
364 | my $cmd = &$rbd_cmd($scfg, $storeid, 'rename', &$add_pool_to_disk($scfg, $name), &$add_pool_to_disk($scfg, $newname)); | |
365 | run_rbd_command($cmd, errmsg => "rbd rename '$name' error"); | |
366 | ||
367 | my $running = undef; #fixme : is create_base always offline ? | |
368 | ||
369 | $class->volume_snapshot($scfg, $storeid, $newname, $snap, $running); | |
370 | ||
371 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $newname, $snap); | |
372 | ||
373 | if (!$protected){ | |
374 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'protect', $newname, '--snap', $snap); | |
375 | run_rbd_command($cmd, errmsg => "rbd protect $newname snap '$snap' error"); | |
376 | } | |
377 | ||
378 | return $newvolname; | |
379 | ||
380 | } | |
381 | ||
382 | sub clone_image { | |
383 | my ($class, $scfg, $storeid, $volname, $vmid, $snapname) = @_; | |
384 | ||
385 | my $snap = '__base__'; | |
386 | $snap = $snapname if length $snapname; | |
387 | ||
388 | my ($vtype, $basename, $basevmid, undef, undef, $isBase) = | |
389 | $class->parse_volname($volname); | |
390 | ||
391 | die "$volname is not a base image and snapname is not provided\n" | |
392 | if !$isBase && !length($snapname); | |
393 | ||
394 | my $name = $find_free_diskname->($storeid, $scfg, $vmid); | |
395 | ||
396 | warn "clone $volname: $basename snapname $snap to $name\n"; | |
397 | ||
398 | if (length($snapname)) { | |
399 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $volname, $snapname); | |
400 | ||
401 | if (!$protected) { | |
402 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'protect', $volname, '--snap', $snapname); | |
403 | run_rbd_command($cmd, errmsg => "rbd protect $volname snap $snapname error"); | |
404 | } | |
405 | } | |
406 | ||
407 | my $newvol = "$basename/$name"; | |
408 | $newvol = $name if length($snapname); | |
409 | ||
410 | my $cmd = &$rbd_cmd($scfg, $storeid, 'clone', &$add_pool_to_disk($scfg, $basename), | |
411 | '--snap', $snap, &$add_pool_to_disk($scfg, $name)); | |
412 | ||
413 | run_rbd_command($cmd, errmsg => "rbd clone '$basename' error"); | |
414 | ||
415 | &$krbd_feature_disable($scfg, $storeid, $name); | |
416 | ||
417 | return $newvol; | |
418 | } | |
419 | ||
420 | sub alloc_image { | |
421 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
422 | ||
423 | ||
424 | die "illegal name '$name' - should be 'vm-$vmid-*'\n" | |
425 | if $name && $name !~ m/^vm-$vmid-/; | |
426 | ||
427 | $name = $find_free_diskname->($storeid, $scfg, $vmid) if !$name; | |
428 | ||
429 | my $cmd = &$rbd_cmd($scfg, $storeid, 'create', '--image-format' , 2, '--size', int(($size+1023)/1024), $name); | |
430 | run_rbd_command($cmd, errmsg => "rbd create $name' error"); | |
431 | ||
432 | &$krbd_feature_disable($scfg, $storeid, $name); | |
433 | ||
434 | return $name; | |
435 | } | |
436 | ||
437 | sub free_image { | |
438 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; | |
439 | ||
440 | my ($vtype, $name, $vmid, undef, undef, undef) = | |
441 | $class->parse_volname($volname); | |
442 | ||
443 | if ($isBase) { | |
444 | my $snap = '__base__'; | |
445 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $name, $snap); | |
446 | if ($protected){ | |
447 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'unprotect', $name, '--snap', $snap); | |
448 | run_rbd_command($cmd, errmsg => "rbd unprotect $name snap '$snap' error"); | |
449 | } | |
450 | } | |
451 | ||
452 | $class->deactivate_volume($storeid, $scfg, $volname); | |
453 | ||
454 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'purge', $name); | |
455 | run_rbd_command($cmd, errmsg => "rbd snap purge '$volname' error"); | |
456 | ||
457 | $cmd = &$rbd_cmd($scfg, $storeid, 'rm', $name); | |
458 | run_rbd_command($cmd, errmsg => "rbd rm '$volname' error"); | |
459 | ||
460 | return undef; | |
461 | } | |
462 | ||
463 | sub list_images { | |
464 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
465 | ||
466 | $cache->{rbd} = rbd_ls($scfg, $storeid) if !$cache->{rbd}; | |
467 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
468 | ||
469 | my $res = []; | |
470 | ||
471 | if (my $dat = $cache->{rbd}->{$pool}) { | |
472 | foreach my $image (keys %$dat) { | |
473 | ||
474 | my $info = $dat->{$image}; | |
475 | ||
476 | my $volname = $info->{name}; | |
477 | my $parent = $info->{parent}; | |
478 | my $owner = $info->{vmid}; | |
479 | ||
480 | if ($parent && $parent =~ m/^(base-\d+-\S+)\@__base__$/) { | |
481 | $info->{volid} = "$storeid:$1/$volname"; | |
482 | } else { | |
483 | $info->{volid} = "$storeid:$volname"; | |
484 | } | |
485 | ||
486 | if ($vollist) { | |
487 | my $found = grep { $_ eq $info->{volid} } @$vollist; | |
488 | next if !$found; | |
489 | } else { | |
490 | next if defined ($vmid) && ($owner ne $vmid); | |
491 | } | |
492 | ||
493 | $info->{format} = 'raw'; | |
494 | ||
495 | push @$res, $info; | |
496 | } | |
497 | } | |
498 | ||
499 | return $res; | |
500 | } | |
501 | ||
502 | sub status { | |
503 | my ($class, $storeid, $scfg, $cache) = @_; | |
504 | ||
505 | ||
506 | my $rados = &$librados_connect($scfg, $storeid); | |
507 | my $df = $rados->mon_command({ prefix => 'df', format => 'json' }); | |
508 | ||
509 | my ($d) = grep { $_->{name} eq $scfg->{pool} } @{$df->{pools}}; | |
510 | ||
511 | # max_avail -> max available space for data w/o replication in the pool | |
512 | # bytes_used -> data w/o replication in the pool | |
513 | my $free = $d->{stats}->{max_avail}; | |
514 | my $used = $d->{stats}->{bytes_used}; | |
515 | my $total = $used + $free; | |
516 | my $active = 1; | |
517 | ||
518 | return ($total, $free, $used, $active); | |
519 | } | |
520 | ||
521 | sub activate_storage { | |
522 | my ($class, $storeid, $scfg, $cache) = @_; | |
523 | return 1; | |
524 | } | |
525 | ||
526 | sub deactivate_storage { | |
527 | my ($class, $storeid, $scfg, $cache) = @_; | |
528 | return 1; | |
529 | } | |
530 | ||
531 | sub activate_volume { | |
532 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
533 | ||
534 | return 1 if !$scfg->{krbd}; | |
535 | ||
536 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
537 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
538 | ||
539 | my $path = "/dev/rbd/$pool/$name"; | |
540 | $path .= '@'.$snapname if $snapname; | |
541 | return if -b $path; | |
542 | ||
543 | $name .= '@'.$snapname if $snapname; | |
544 | my $cmd = &$rbd_cmd($scfg, $storeid, 'map', $name); | |
545 | run_rbd_command($cmd, errmsg => "can't mount rbd volume $name"); | |
546 | ||
547 | return 1; | |
548 | } | |
549 | ||
550 | sub deactivate_volume { | |
551 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
552 | ||
553 | return 1 if !$scfg->{krbd}; | |
554 | ||
555 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
556 | my $pool = $scfg->{pool} ? $scfg->{pool} : 'rbd'; | |
557 | ||
558 | my $path = "/dev/rbd/$pool/$name"; | |
559 | $path .= '@'.$snapname if $snapname; | |
560 | return if ! -b $path; | |
561 | ||
562 | my $cmd = &$rbd_cmd($scfg, $storeid, 'unmap', $path); | |
563 | run_rbd_command($cmd, errmsg => "can't unmap rbd volume $name"); | |
564 | ||
565 | return 1; | |
566 | } | |
567 | ||
568 | sub volume_size_info { | |
569 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
570 | ||
571 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
572 | my ($size, undef) = rbd_volume_info($scfg, $storeid, $name); | |
573 | return $size; | |
574 | } | |
575 | ||
576 | sub volume_resize { | |
577 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
578 | ||
579 | return 1 if $running && !$scfg->{krbd}; | |
580 | ||
581 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
582 | ||
583 | my $cmd = &$rbd_cmd($scfg, $storeid, 'resize', '--allow-shrink', '--size', ($size/1024/1024), $name); | |
584 | run_rbd_command($cmd, errmsg => "rbd resize '$volname' error"); | |
585 | return undef; | |
586 | } | |
587 | ||
588 | sub volume_snapshot { | |
589 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
590 | ||
591 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
592 | ||
593 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'create', '--snap', $snap, $name); | |
594 | run_rbd_command($cmd, errmsg => "rbd snapshot '$volname' error"); | |
595 | return undef; | |
596 | } | |
597 | ||
598 | sub volume_snapshot_rollback { | |
599 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
600 | ||
601 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
602 | ||
603 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rollback', '--snap', $snap, $name); | |
604 | run_rbd_command($cmd, errmsg => "rbd snapshot $volname to '$snap' error"); | |
605 | } | |
606 | ||
607 | sub volume_snapshot_delete { | |
608 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
609 | ||
610 | return 1 if $running && !$scfg->{krbd}; | |
611 | ||
612 | $class->deactivate_volume($storeid, $scfg, $volname, $snap, {}); | |
613 | ||
614 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
615 | ||
616 | my (undef, undef, undef, $protected) = rbd_volume_info($scfg, $storeid, $name, $snap); | |
617 | if ($protected){ | |
618 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'unprotect', $name, '--snap', $snap); | |
619 | run_rbd_command($cmd, errmsg => "rbd unprotect $name snap '$snap' error"); | |
620 | } | |
621 | ||
622 | my $cmd = &$rbd_cmd($scfg, $storeid, 'snap', 'rm', '--snap', $snap, $name); | |
623 | ||
624 | run_rbd_command($cmd, errmsg => "rbd snapshot '$volname' error"); | |
625 | ||
626 | return undef; | |
627 | } | |
628 | ||
629 | sub volume_has_feature { | |
630 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
631 | ||
632 | my $features = { | |
633 | snapshot => { current => 1, snap => 1}, | |
634 | clone => { base => 1, snap => 1}, | |
635 | template => { current => 1}, | |
636 | copy => { base => 1, current => 1, snap => 1}, | |
637 | sparseinit => { base => 1, current => 1}, | |
638 | }; | |
639 | ||
640 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
641 | $class->parse_volname($volname); | |
642 | ||
643 | my $key = undef; | |
644 | if($snapname){ | |
645 | $key = 'snap'; | |
646 | }else{ | |
647 | $key = $isBase ? 'base' : 'current'; | |
648 | } | |
649 | return 1 if $features->{$feature}->{$key}; | |
650 | ||
651 | return undef; | |
652 | } | |
653 | ||
654 | 1; |