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Commit | Line | Data |
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85fda4dd | 1 | package PVE::Storage::ZFSPoolPlugin; |
5bb8e010 DM |
2 | |
3 | use strict; | |
4 | use warnings; | |
5 | use IO::File; | |
6 | use POSIX; | |
7 | use PVE::Tools qw(run_command); | |
8 | use PVE::Storage::Plugin; | |
21430e50 | 9 | use PVE::RPCEnvironment; |
5bb8e010 DM |
10 | |
11 | use base qw(PVE::Storage::Plugin); | |
12 | ||
5bb8e010 | 13 | sub type { |
85fda4dd | 14 | return 'zfspool'; |
5bb8e010 DM |
15 | } |
16 | ||
17 | sub plugindata { | |
18 | return { | |
1ccae449 DM |
19 | content => [ {images => 1, rootdir => 1}, {images => 1 , rootdir => 1}], |
20 | format => [ { raw => 1, subvol => 1 } , 'raw' ], | |
5bb8e010 | 21 | }; |
85fda4dd | 22 | } |
5bb8e010 | 23 | |
7730694e DM |
24 | sub properties { |
25 | return { | |
26 | blocksize => { | |
27 | description => "block size", | |
28 | type => 'string', | |
29 | }, | |
30 | sparse => { | |
31 | description => "use sparse volumes", | |
32 | type => 'boolean', | |
33 | }, | |
34 | }; | |
35 | } | |
36 | ||
5bb8e010 DM |
37 | sub options { |
38 | return { | |
7730694e DM |
39 | pool => { fixed => 1 }, |
40 | blocksize => { optional => 1 }, | |
41 | sparse => { optional => 1 }, | |
42 | nodes => { optional => 1 }, | |
5bb8e010 | 43 | disable => { optional => 1 }, |
5bb8e010 DM |
44 | content => { optional => 1 }, |
45 | }; | |
46 | } | |
47 | ||
7730694e DM |
48 | # static zfs helper methods |
49 | ||
060ef890 DM |
50 | sub zfs_parse_size { |
51 | my ($text) = @_; | |
52 | ||
53 | return 0 if !$text; | |
54 | ||
55 | if ($text =~ m/^(\d+(\.\d+)?)([TGMK])?$/) { | |
56 | ||
57 | my ($size, $reminder, $unit) = ($1, $2, $3); | |
58 | ||
59 | if ($unit) { | |
60 | if ($unit eq 'K') { | |
61 | $size *= 1024; | |
62 | } elsif ($unit eq 'M') { | |
63 | $size *= 1024*1024; | |
64 | } elsif ($unit eq 'G') { | |
65 | $size *= 1024*1024*1024; | |
66 | } elsif ($unit eq 'T') { | |
67 | $size *= 1024*1024*1024*1024; | |
68 | } else { | |
69 | die "got unknown zfs size unit '$unit'\n"; | |
70 | } | |
71 | } | |
72 | ||
73 | if ($reminder) { | |
74 | $size = ceil($size); | |
75 | } | |
76 | ||
77 | return $size; | |
78 | ||
79 | } | |
80 | ||
81 | warn "unable to parse zfs size '$text'\n"; | |
82 | ||
83 | return 0; | |
84 | } | |
85 | ||
7730694e DM |
86 | sub zfs_parse_zvol_list { |
87 | my ($text) = @_; | |
88 | ||
89 | my $list = (); | |
90 | ||
91 | return $list if !$text; | |
92 | ||
93 | my @lines = split /\n/, $text; | |
94 | foreach my $line (@lines) { | |
1ccae449 DM |
95 | my ($dataset, $size, $origin, $type, $refquota) = split(/\s+/, $line); |
96 | next if !($type eq 'volume' || $type eq 'filesystem'); | |
97 | ||
98 | my $zvol = {}; | |
99 | my @parts = split /\//, $dataset; | |
dec97937 | 100 | next if scalar(@parts) < 2; # we need pool/name |
1ccae449 DM |
101 | my $name = pop @parts; |
102 | my $pool = join('/', @parts); | |
103 | ||
851658c3 | 104 | next unless $name =~ m!^(vm|base|subvol|basevol)-(\d+)-(\S+)$!; |
1ccae449 DM |
105 | $zvol->{owner} = $2; |
106 | ||
1ccae449 DM |
107 | $zvol->{pool} = $pool; |
108 | $zvol->{name} = $name; | |
109 | if ($type eq 'filesystem') { | |
110 | if ($refquota eq 'none') { | |
111 | $zvol->{size} = 0; | |
112 | } else { | |
113 | $zvol->{size} = zfs_parse_size($refquota); | |
7730694e | 114 | } |
1ccae449 DM |
115 | $zvol->{format} = 'subvol'; |
116 | } else { | |
117 | $zvol->{size} = zfs_parse_size($size); | |
118 | $zvol->{format} = 'raw'; | |
7730694e | 119 | } |
1ccae449 DM |
120 | if ($origin !~ /^-$/) { |
121 | $zvol->{origin} = $origin; | |
122 | } | |
123 | push @$list, $zvol; | |
7730694e DM |
124 | } |
125 | ||
126 | return $list; | |
127 | } | |
128 | ||
cc80ed9c WL |
129 | sub parse_volname { |
130 | my ($class, $volname) = @_; | |
131 | ||
8e5b96ca DM |
132 | if ($volname =~ m/^(((base|basevol)-(\d+)-\S+)\/)?((base|basevol|vm|subvol)-(\d+)-\S+)$/) { |
133 | my $format = ($6 eq 'subvol' || $6 eq 'basevol') ? 'subvol' : 'raw'; | |
134 | my $isBase = ($6 eq 'base' || $6 eq 'basevol'); | |
135 | return ('images', $5, $7, $2, $4, $isBase, $format); | |
cc80ed9c WL |
136 | } |
137 | ||
138 | die "unable to parse zfs volume name '$volname'\n"; | |
139 | } | |
140 | ||
7730694e DM |
141 | # virtual zfs methods (subclass can overwrite them) |
142 | ||
f3e632d0 | 143 | sub path { |
e67069eb | 144 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; |
f3e632d0 WL |
145 | |
146 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
147 | ||
148 | my $path = ''; | |
149 | ||
1ccae449 | 150 | if ($vtype eq "images") { |
74b724a6 | 151 | if ($name =~ m/^subvol-/ || $name =~ m/^basevol-/) { |
f482231e | 152 | # fixme: we currently assume standard mount point?! |
851658c3 | 153 | $path = "/$scfg->{pool}/$name"; |
1ccae449 | 154 | } else { |
851658c3 | 155 | $path = "/dev/zvol/$scfg->{pool}/$name"; |
1ccae449 | 156 | } |
f482231e | 157 | $path .= "\@$snapname" if defined($snapname); |
f3e632d0 | 158 | } else { |
85fda4dd | 159 | die "$vtype is not allowed in ZFSPool!"; |
f3e632d0 WL |
160 | } |
161 | ||
162 | return ($path, $vmid, $vtype); | |
163 | } | |
164 | ||
7730694e DM |
165 | sub zfs_request { |
166 | my ($class, $scfg, $timeout, $method, @params) = @_; | |
167 | ||
21430e50 FG |
168 | $timeout = PVE::RPCEnvironment::is_worker() ? 60*60 : 5 |
169 | if !$timeout; | |
7730694e DM |
170 | |
171 | my $cmd = []; | |
172 | ||
173 | if ($method eq 'zpool_list') { | |
86d47239 | 174 | push @$cmd, 'zpool', 'list'; |
7730694e DM |
175 | } else { |
176 | push @$cmd, 'zfs', $method; | |
177 | } | |
178 | ||
179 | push @$cmd, @params; | |
180 | ||
181 | my $msg = ''; | |
182 | ||
183 | my $output = sub { | |
184 | my $line = shift; | |
185 | $msg .= "$line\n"; | |
186 | }; | |
187 | ||
1f390a30 | 188 | run_command($cmd, errmsg => "zfs error", outfunc => $output, timeout => $timeout); |
7730694e DM |
189 | |
190 | return $msg; | |
191 | } | |
192 | ||
b3ba95e4 WL |
193 | sub alloc_image { |
194 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
195 | ||
1ccae449 DM |
196 | my $volname = $name; |
197 | ||
198 | if ($fmt eq 'raw') { | |
b3ba95e4 | 199 | |
1ccae449 DM |
200 | die "illegal name '$volname' - sould be 'vm-$vmid-*'\n" |
201 | if $volname && $volname !~ m/^vm-$vmid-/; | |
55525ad2 | 202 | $volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt) |
1ccae449 | 203 | if !$volname; |
b3ba95e4 | 204 | |
1ccae449 DM |
205 | $class->zfs_create_zvol($scfg, $volname, $size); |
206 | my $devname = "/dev/zvol/$scfg->{pool}/$volname"; | |
82e08809 | 207 | |
1ccae449 | 208 | run_command("udevadm trigger --subsystem-match block"); |
602eacfe | 209 | system('udevadm', 'settle', '--timeout', '10', "--exit-if-exists=${devname}"); |
76fd7dc7 | 210 | |
1ccae449 | 211 | } elsif ( $fmt eq 'subvol') { |
55525ad2 DM |
212 | |
213 | die "illegal name '$volname' - sould be 'subvol-$vmid-*'\n" | |
214 | if $volname && $volname !~ m/^subvol-$vmid-/; | |
215 | $volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt) | |
216 | if !$volname; | |
217 | ||
1ccae449 DM |
218 | die "illegal name '$volname' - sould be 'subvol-$vmid-*'\n" |
219 | if $volname !~ m/^subvol-$vmid-/; | |
76fd7dc7 | 220 | |
1ccae449 DM |
221 | $class->zfs_create_subvol($scfg, $volname, $size); |
222 | ||
223 | } else { | |
224 | die "unsupported format '$fmt'"; | |
225 | } | |
b3ba95e4 | 226 | |
82e08809 | 227 | return $volname; |
b3ba95e4 WL |
228 | } |
229 | ||
e9565df5 WL |
230 | sub free_image { |
231 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; | |
232 | ||
233 | my (undef, $name, undef) = $class->parse_volname($volname); | |
234 | ||
235 | $class->zfs_delete_zvol($scfg, $name); | |
236 | ||
237 | return undef; | |
238 | } | |
239 | ||
ca04180f WL |
240 | sub list_images { |
241 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
242 | ||
243 | $cache->{zfs} = $class->zfs_list_zvol($scfg) if !$cache->{zfs}; | |
244 | my $zfspool = $scfg->{pool}; | |
245 | my $res = []; | |
246 | ||
247 | if (my $dat = $cache->{zfs}->{$zfspool}) { | |
248 | ||
249 | foreach my $image (keys %$dat) { | |
250 | ||
1b83c3d9 | 251 | my $info = $dat->{$image}; |
ca04180f | 252 | |
1b83c3d9 FG |
253 | my $volname = $info->{name}; |
254 | my $parent = $info->{parent}; | |
255 | my $owner = $info->{vmid}; | |
256 | ||
257 | if ($parent && $parent =~ m/^(\S+)\@__base__$/) { | |
ca04180f | 258 | my ($basename) = ($1); |
1b83c3d9 | 259 | $info->{volid} = "$storeid:$basename/$volname"; |
ca04180f | 260 | } else { |
1b83c3d9 | 261 | $info->{volid} = "$storeid:$volname"; |
ca04180f WL |
262 | } |
263 | ||
ca04180f | 264 | if ($vollist) { |
1b83c3d9 | 265 | my $found = grep { $_ eq $info->{volid} } @$vollist; |
ca04180f WL |
266 | next if !$found; |
267 | } else { | |
268 | next if defined ($vmid) && ($owner ne $vmid); | |
269 | } | |
270 | ||
ca04180f WL |
271 | push @$res, $info; |
272 | } | |
273 | } | |
ca04180f WL |
274 | return $res; |
275 | } | |
276 | ||
7730694e DM |
277 | sub zfs_get_pool_stats { |
278 | my ($class, $scfg) = @_; | |
279 | ||
280 | my $available = 0; | |
281 | my $used = 0; | |
282 | ||
283 | my $text = $class->zfs_request($scfg, undef, 'get', '-o', 'value', '-Hp', | |
284 | 'available,used', $scfg->{pool}); | |
285 | ||
286 | my @lines = split /\n/, $text; | |
287 | ||
288 | if($lines[0] =~ /^(\d+)$/) { | |
289 | $available = $1; | |
290 | } | |
291 | ||
292 | if($lines[1] =~ /^(\d+)$/) { | |
293 | $used = $1; | |
294 | } | |
295 | ||
296 | return ($available, $used); | |
297 | } | |
298 | ||
7730694e DM |
299 | sub zfs_create_zvol { |
300 | my ($class, $scfg, $zvol, $size) = @_; | |
301 | ||
302 | my $cmd = ['create']; | |
303 | ||
304 | push @$cmd, '-s' if $scfg->{sparse}; | |
305 | ||
306 | push @$cmd, '-b', $scfg->{blocksize} if $scfg->{blocksize}; | |
307 | ||
308 | push @$cmd, '-V', "${size}k", "$scfg->{pool}/$zvol"; | |
309 | ||
310 | $class->zfs_request($scfg, undef, @$cmd); | |
311 | } | |
312 | ||
1ccae449 DM |
313 | sub zfs_create_subvol { |
314 | my ($class, $scfg, $volname, $size) = @_; | |
315 | ||
316 | my $dataset = "$scfg->{pool}/$volname"; | |
317 | ||
efaf4017 DM |
318 | my $cmd = ['create', '-o', 'acltype=posixacl', '-o', 'xattr=sa', |
319 | '-o', "refquota=${size}k", $dataset]; | |
1ccae449 DM |
320 | |
321 | $class->zfs_request($scfg, undef, @$cmd); | |
322 | } | |
323 | ||
7730694e DM |
324 | sub zfs_delete_zvol { |
325 | my ($class, $scfg, $zvol) = @_; | |
326 | ||
1f390a30 WL |
327 | my $err; |
328 | ||
329 | for (my $i = 0; $i < 6; $i++) { | |
330 | ||
331 | eval { $class->zfs_request($scfg, undef, 'destroy', '-r', "$scfg->{pool}/$zvol"); }; | |
332 | if ($err = $@) { | |
333 | if ($err =~ m/^zfs error:(.*): dataset is busy.*/) { | |
334 | sleep(1); | |
27ff0e99 WL |
335 | } elsif ($err =~ m/^zfs error:.*: dataset does not exist.*$/) { |
336 | $err = undef; | |
337 | last; | |
1f390a30 WL |
338 | } else { |
339 | die $err; | |
340 | } | |
341 | } else { | |
342 | last; | |
343 | } | |
344 | } | |
345 | ||
346 | die $err if $err; | |
7730694e DM |
347 | } |
348 | ||
349 | sub zfs_list_zvol { | |
350 | my ($class, $scfg) = @_; | |
351 | ||
1ccae449 | 352 | my $text = $class->zfs_request($scfg, 10, 'list', '-o', 'name,volsize,origin,type,refquota', '-t', 'volume,filesystem', '-Hr'); |
7730694e DM |
353 | my $zvols = zfs_parse_zvol_list($text); |
354 | return undef if !$zvols; | |
355 | ||
356 | my $list = (); | |
357 | foreach my $zvol (@$zvols) { | |
1ccae449 DM |
358 | my $pool = $zvol->{pool}; |
359 | my $name = $zvol->{name}; | |
7730694e DM |
360 | my $parent = $zvol->{origin}; |
361 | if($zvol->{origin} && $zvol->{origin} =~ m/^$scfg->{pool}\/(\S+)$/){ | |
362 | $parent = $1; | |
363 | } | |
364 | ||
1ccae449 DM |
365 | $list->{$pool}->{$name} = { |
366 | name => $name, | |
7730694e DM |
367 | size => $zvol->{size}, |
368 | parent => $parent, | |
1ccae449 DM |
369 | format => $zvol->{format}, |
370 | vmid => $zvol->{owner}, | |
7730694e DM |
371 | }; |
372 | } | |
373 | ||
374 | return $list; | |
375 | } | |
376 | ||
377 | sub zfs_find_free_diskname { | |
55525ad2 | 378 | my ($class, $storeid, $scfg, $vmid, $format) = @_; |
7730694e DM |
379 | |
380 | my $name = undef; | |
381 | my $volumes = $class->zfs_list_zvol($scfg); | |
382 | ||
383 | my $disk_ids = {}; | |
384 | my $dat = $volumes->{$scfg->{pool}}; | |
385 | ||
386 | foreach my $image (keys %$dat) { | |
387 | my $volname = $dat->{$image}->{name}; | |
851658c3 | 388 | if ($volname =~ m/(vm|base|subvol|basevol)-$vmid-disk-(\d+)/){ |
7730694e DM |
389 | $disk_ids->{$2} = 1; |
390 | } | |
391 | } | |
392 | ||
393 | for (my $i = 1; $i < 100; $i++) { | |
394 | if (!$disk_ids->{$i}) { | |
55525ad2 | 395 | return $format eq 'subvol' ? "subvol-$vmid-disk-$i" : "vm-$vmid-disk-$i"; |
7730694e DM |
396 | } |
397 | } | |
398 | ||
399 | die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"; | |
400 | } | |
401 | ||
2fc59177 DM |
402 | sub zfs_get_latest_snapshot { |
403 | my ($class, $scfg, $volname) = @_; | |
404 | ||
851658c3 WL |
405 | my $vname = ($class->parse_volname($volname))[1]; |
406 | ||
2fc59177 DM |
407 | # abort rollback if snapshot is not the latest |
408 | my @params = ('-t', 'snapshot', '-o', 'name', '-s', 'creation'); | |
281f9587 | 409 | my $text = $class->zfs_request($scfg, undef, 'list', @params); |
2fc59177 DM |
410 | my @snapshots = split(/\n/, $text); |
411 | ||
412 | my $recentsnap; | |
413 | foreach (@snapshots) { | |
851658c3 | 414 | if (/$scfg->{pool}\/$vname/) { |
2fc59177 DM |
415 | s/^.*@//; |
416 | $recentsnap = $_; | |
417 | } | |
418 | } | |
419 | ||
420 | return $recentsnap; | |
421 | } | |
422 | ||
b5e5f7e3 DM |
423 | sub status { |
424 | my ($class, $storeid, $scfg, $cache) = @_; | |
425 | ||
426 | my $total = 0; | |
427 | my $free = 0; | |
428 | my $used = 0; | |
429 | my $active = 0; | |
430 | ||
431 | eval { | |
432 | ($free, $used) = $class->zfs_get_pool_stats($scfg); | |
433 | $active = 1; | |
434 | $total = $free + $used; | |
435 | }; | |
436 | warn $@ if $@; | |
437 | ||
438 | return ($total, $free, $used, $active); | |
439 | } | |
440 | ||
441 | sub volume_size_info { | |
442 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
443 | ||
851658c3 | 444 | my (undef, $vname, undef, undef, undef, undef, $format) = |
79f2b938 DM |
445 | $class->parse_volname($volname); |
446 | ||
447 | my $attr = $format eq 'subvol' ? 'refquota' : 'volsize'; | |
851658c3 | 448 | my $text = $class->zfs_request($scfg, undef, 'get', '-Hp', $attr, "$scfg->{pool}/$vname"); |
79f2b938 DM |
449 | if ($text =~ /\s$attr\s(\d+)\s/) { |
450 | return $1; | |
451 | } | |
452 | ||
453 | die "Could not get zfs volume size\n"; | |
b5e5f7e3 DM |
454 | } |
455 | ||
456 | sub volume_snapshot { | |
f5640e7d | 457 | my ($class, $scfg, $storeid, $volname, $snap) = @_; |
b5e5f7e3 | 458 | |
851658c3 WL |
459 | my $vname = ($class->parse_volname($volname))[1]; |
460 | ||
461 | $class->zfs_request($scfg, undef, 'snapshot', "$scfg->{pool}/$vname\@$snap"); | |
b5e5f7e3 DM |
462 | } |
463 | ||
464 | sub volume_snapshot_delete { | |
465 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
466 | ||
851658c3 WL |
467 | my $vname = ($class->parse_volname($volname))[1]; |
468 | ||
469 | $class->deactivate_volume($storeid, $scfg, $vname, $snap, {}); | |
470 | $class->zfs_request($scfg, undef, 'destroy', "$scfg->{pool}/$vname\@$snap"); | |
b5e5f7e3 DM |
471 | } |
472 | ||
2b40ffae WL |
473 | sub volume_snapshot_rollback { |
474 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
475 | ||
851658c3 WL |
476 | my $vname = ($class->parse_volname($volname))[1]; |
477 | ||
478 | $class->zfs_request($scfg, undef, 'rollback', "$scfg->{pool}/$vname\@$snap"); | |
1597f1f9 WL |
479 | } |
480 | ||
481 | sub volume_rollback_is_possible { | |
482 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
483 | ||
2fc59177 | 484 | my $recentsnap = $class->zfs_get_latest_snapshot($scfg, $volname); |
2b40ffae | 485 | if ($snap ne $recentsnap) { |
1597f1f9 | 486 | die "can't rollback, more recent snapshots exist\n"; |
2b40ffae WL |
487 | } |
488 | ||
1597f1f9 | 489 | return 1; |
2b40ffae WL |
490 | } |
491 | ||
0a3d992f DM |
492 | sub activate_storage { |
493 | my ($class, $storeid, $scfg, $cache) = @_; | |
86d47239 WL |
494 | |
495 | my @param = ('-o', 'name', '-H'); | |
496 | ||
281f9587 | 497 | my $text = $class->zfs_request($scfg, undef, 'zpool_list', @param); |
93124ef4 DM |
498 | |
499 | # Note: $scfg->{pool} can include dataset <pool>/<dataset> | |
500 | my $pool = $scfg->{pool}; | |
501 | $pool =~ s!/.*$!!; | |
502 | ||
503 | if ($text !~ $pool) { | |
86d47239 WL |
504 | run_command("zpool import -d /dev/disk/by-id/ -a"); |
505 | } | |
0a3d992f DM |
506 | return 1; |
507 | } | |
508 | ||
509 | sub deactivate_storage { | |
510 | my ($class, $storeid, $scfg, $cache) = @_; | |
511 | return 1; | |
512 | } | |
513 | ||
d4c63dc1 | 514 | sub activate_volume { |
02e797b8 | 515 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
d4c63dc1 WL |
516 | return 1; |
517 | } | |
518 | ||
519 | sub deactivate_volume { | |
02e797b8 | 520 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
d4c63dc1 WL |
521 | return 1; |
522 | } | |
5bb8e010 | 523 | |
d3a282e8 WL |
524 | sub clone_image { |
525 | my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_; | |
526 | ||
527 | $snap ||= '__base__'; | |
528 | ||
55525ad2 | 529 | my ($vtype, $basename, $basevmid, undef, undef, $isBase, $format) = |
d3a282e8 WL |
530 | $class->parse_volname($volname); |
531 | ||
532 | die "clone_image only works on base images\n" if !$isBase; | |
533 | ||
55525ad2 | 534 | my $name = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $format); |
d3a282e8 | 535 | |
851658c3 WL |
536 | if ($format eq 'subvol') { |
537 | my $size = $class->zfs_request($scfg, undef, 'list', '-H', '-o', 'refquota', "$scfg->{pool}/$basename"); | |
538 | chomp($size); | |
539 | $class->zfs_request($scfg, undef, 'clone', "$scfg->{pool}/$basename\@$snap", "$scfg->{pool}/$name", '-o', "refquota=$size"); | |
540 | } else { | |
541 | $class->zfs_request($scfg, undef, 'clone', "$scfg->{pool}/$basename\@$snap", "$scfg->{pool}/$name"); | |
542 | } | |
d3a282e8 | 543 | |
851658c3 | 544 | return "$basename/$name"; |
d3a282e8 WL |
545 | } |
546 | ||
547 | sub create_base { | |
548 | my ($class, $storeid, $scfg, $volname) = @_; | |
549 | ||
550 | my $snap = '__base__'; | |
551 | ||
851658c3 | 552 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) = |
d3a282e8 WL |
553 | $class->parse_volname($volname); |
554 | ||
555 | die "create_base not possible with base image\n" if $isBase; | |
556 | ||
557 | my $newname = $name; | |
851658c3 WL |
558 | if ( $format eq 'subvol' ) { |
559 | $newname =~ s/^subvol-/basevol-/; | |
560 | } else { | |
561 | $newname =~ s/^vm-/base-/; | |
562 | } | |
d3a282e8 WL |
563 | my $newvolname = $basename ? "$basename/$newname" : "$newname"; |
564 | ||
565 | $class->zfs_request($scfg, undef, 'rename', "$scfg->{pool}/$name", "$scfg->{pool}/$newname"); | |
566 | ||
567 | my $running = undef; #fixme : is create_base always offline ? | |
568 | ||
569 | $class->volume_snapshot($scfg, $storeid, $newname, $snap, $running); | |
570 | ||
571 | return $newvolname; | |
572 | } | |
573 | ||
a4034b9f WL |
574 | sub volume_resize { |
575 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
576 | ||
79f2b938 DM |
577 | my $new_size = int($size/1024); |
578 | ||
851658c3 | 579 | my (undef, $vname, undef, undef, undef, undef, $format) = |
79f2b938 DM |
580 | $class->parse_volname($volname); |
581 | ||
582 | my $attr = $format eq 'subvol' ? 'refquota' : 'volsize'; | |
a4034b9f | 583 | |
851658c3 | 584 | $class->zfs_request($scfg, undef, 'set', "$attr=${new_size}k", "$scfg->{pool}/$vname"); |
a4034b9f WL |
585 | |
586 | return $new_size; | |
587 | } | |
588 | ||
2b40ffae WL |
589 | sub volume_has_feature { |
590 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
591 | ||
592 | my $features = { | |
593 | snapshot => { current => 1, snap => 1}, | |
594 | clone => { base => 1}, | |
595 | template => { current => 1}, | |
596 | copy => { base => 1, current => 1}, | |
baafddbd | 597 | sparseinit => { base => 1, current => 1}, |
2b40ffae WL |
598 | }; |
599 | ||
600 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
601 | $class->parse_volname($volname); | |
602 | ||
603 | my $key = undef; | |
604 | ||
605 | if ($snapname) { | |
606 | $key = 'snap'; | |
607 | } else { | |
608 | $key = $isBase ? 'base' : 'current'; | |
609 | } | |
610 | ||
611 | return 1 if $features->{$feature}->{$key}; | |
612 | ||
613 | return undef; | |
614 | } | |
615 | ||
5bb8e010 | 616 | 1; |