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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; |
aefe82ea | 10 | use Net::IP; |
5bb8e010 DM |
11 | |
12 | use base qw(PVE::Storage::Plugin); | |
13 | ||
5bb8e010 | 14 | sub type { |
85fda4dd | 15 | return 'zfspool'; |
5bb8e010 DM |
16 | } |
17 | ||
18 | sub plugindata { | |
19 | return { | |
1ccae449 DM |
20 | content => [ {images => 1, rootdir => 1}, {images => 1 , rootdir => 1}], |
21 | format => [ { raw => 1, subvol => 1 } , 'raw' ], | |
5bb8e010 | 22 | }; |
85fda4dd | 23 | } |
5bb8e010 | 24 | |
7730694e DM |
25 | sub properties { |
26 | return { | |
27 | blocksize => { | |
28 | description => "block size", | |
29 | type => 'string', | |
30 | }, | |
31 | sparse => { | |
32 | description => "use sparse volumes", | |
33 | type => 'boolean', | |
34 | }, | |
35 | }; | |
36 | } | |
37 | ||
5bb8e010 DM |
38 | sub options { |
39 | return { | |
7730694e DM |
40 | pool => { fixed => 1 }, |
41 | blocksize => { optional => 1 }, | |
42 | sparse => { optional => 1 }, | |
43 | nodes => { optional => 1 }, | |
5bb8e010 | 44 | disable => { optional => 1 }, |
5bb8e010 DM |
45 | content => { optional => 1 }, |
46 | }; | |
47 | } | |
48 | ||
7730694e DM |
49 | # static zfs helper methods |
50 | ||
060ef890 DM |
51 | sub zfs_parse_size { |
52 | my ($text) = @_; | |
53 | ||
54 | return 0 if !$text; | |
55 | ||
56 | if ($text =~ m/^(\d+(\.\d+)?)([TGMK])?$/) { | |
57 | ||
58 | my ($size, $reminder, $unit) = ($1, $2, $3); | |
59 | ||
60 | if ($unit) { | |
61 | if ($unit eq 'K') { | |
62 | $size *= 1024; | |
63 | } elsif ($unit eq 'M') { | |
64 | $size *= 1024*1024; | |
65 | } elsif ($unit eq 'G') { | |
66 | $size *= 1024*1024*1024; | |
67 | } elsif ($unit eq 'T') { | |
68 | $size *= 1024*1024*1024*1024; | |
69 | } else { | |
70 | die "got unknown zfs size unit '$unit'\n"; | |
71 | } | |
72 | } | |
73 | ||
74 | if ($reminder) { | |
75 | $size = ceil($size); | |
76 | } | |
77 | ||
78 | return $size; | |
79 | ||
80 | } | |
81 | ||
82 | warn "unable to parse zfs size '$text'\n"; | |
83 | ||
84 | return 0; | |
85 | } | |
86 | ||
7730694e DM |
87 | sub zfs_parse_zvol_list { |
88 | my ($text) = @_; | |
89 | ||
90 | my $list = (); | |
91 | ||
92 | return $list if !$text; | |
93 | ||
94 | my @lines = split /\n/, $text; | |
95 | foreach my $line (@lines) { | |
1ccae449 DM |
96 | my ($dataset, $size, $origin, $type, $refquota) = split(/\s+/, $line); |
97 | next if !($type eq 'volume' || $type eq 'filesystem'); | |
98 | ||
99 | my $zvol = {}; | |
100 | my @parts = split /\//, $dataset; | |
dec97937 | 101 | next if scalar(@parts) < 2; # we need pool/name |
1ccae449 DM |
102 | my $name = pop @parts; |
103 | my $pool = join('/', @parts); | |
104 | ||
851658c3 | 105 | next unless $name =~ m!^(vm|base|subvol|basevol)-(\d+)-(\S+)$!; |
1ccae449 DM |
106 | $zvol->{owner} = $2; |
107 | ||
1ccae449 DM |
108 | $zvol->{pool} = $pool; |
109 | $zvol->{name} = $name; | |
110 | if ($type eq 'filesystem') { | |
111 | if ($refquota eq 'none') { | |
112 | $zvol->{size} = 0; | |
113 | } else { | |
114 | $zvol->{size} = zfs_parse_size($refquota); | |
7730694e | 115 | } |
1ccae449 DM |
116 | $zvol->{format} = 'subvol'; |
117 | } else { | |
118 | $zvol->{size} = zfs_parse_size($size); | |
119 | $zvol->{format} = 'raw'; | |
7730694e | 120 | } |
1ccae449 DM |
121 | if ($origin !~ /^-$/) { |
122 | $zvol->{origin} = $origin; | |
123 | } | |
124 | push @$list, $zvol; | |
7730694e DM |
125 | } |
126 | ||
127 | return $list; | |
128 | } | |
129 | ||
cc80ed9c WL |
130 | sub parse_volname { |
131 | my ($class, $volname) = @_; | |
132 | ||
8e5b96ca DM |
133 | if ($volname =~ m/^(((base|basevol)-(\d+)-\S+)\/)?((base|basevol|vm|subvol)-(\d+)-\S+)$/) { |
134 | my $format = ($6 eq 'subvol' || $6 eq 'basevol') ? 'subvol' : 'raw'; | |
135 | my $isBase = ($6 eq 'base' || $6 eq 'basevol'); | |
136 | return ('images', $5, $7, $2, $4, $isBase, $format); | |
cc80ed9c WL |
137 | } |
138 | ||
139 | die "unable to parse zfs volume name '$volname'\n"; | |
140 | } | |
141 | ||
7730694e DM |
142 | # virtual zfs methods (subclass can overwrite them) |
143 | ||
f3e632d0 | 144 | sub path { |
e67069eb | 145 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; |
f3e632d0 WL |
146 | |
147 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
148 | ||
149 | my $path = ''; | |
150 | ||
1ccae449 | 151 | if ($vtype eq "images") { |
74b724a6 | 152 | if ($name =~ m/^subvol-/ || $name =~ m/^basevol-/) { |
f482231e | 153 | # fixme: we currently assume standard mount point?! |
851658c3 | 154 | $path = "/$scfg->{pool}/$name"; |
1ccae449 | 155 | } else { |
851658c3 | 156 | $path = "/dev/zvol/$scfg->{pool}/$name"; |
1ccae449 | 157 | } |
f482231e | 158 | $path .= "\@$snapname" if defined($snapname); |
f3e632d0 | 159 | } else { |
85fda4dd | 160 | die "$vtype is not allowed in ZFSPool!"; |
f3e632d0 WL |
161 | } |
162 | ||
163 | return ($path, $vmid, $vtype); | |
164 | } | |
165 | ||
7730694e | 166 | sub zfs_request { |
44257d2e | 167 | my ($class, $scfg, $timeout, $method, @params) = @_; |
7730694e | 168 | |
ef881e10 | 169 | my $default_timeout = PVE::RPCEnvironment->is_worker() ? 60*60 : 5; |
7730694e DM |
170 | |
171 | my $cmd = []; | |
172 | ||
173 | if ($method eq 'zpool_list') { | |
86d47239 | 174 | push @$cmd, 'zpool', 'list'; |
e2e63801 FG |
175 | } elsif ($method eq 'zpool_import') { |
176 | push @$cmd, 'zpool', 'import'; | |
72bdeea1 | 177 | $default_timeout = 15 if $default_timeout < 15; |
7730694e DM |
178 | } else { |
179 | push @$cmd, 'zfs', $method; | |
180 | } | |
181 | ||
182 | push @$cmd, @params; | |
889d7485 | 183 | |
7730694e DM |
184 | my $msg = ''; |
185 | ||
186 | my $output = sub { | |
187 | my $line = shift; | |
188 | $msg .= "$line\n"; | |
189 | }; | |
190 | ||
72bdeea1 FG |
191 | $timeout = $default_timeout if !$timeout; |
192 | ||
1f390a30 | 193 | run_command($cmd, errmsg => "zfs error", outfunc => $output, timeout => $timeout); |
7730694e DM |
194 | |
195 | return $msg; | |
196 | } | |
197 | ||
b3ba95e4 WL |
198 | sub alloc_image { |
199 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
200 | ||
1ccae449 DM |
201 | my $volname = $name; |
202 | ||
203 | if ($fmt eq 'raw') { | |
b3ba95e4 | 204 | |
1ccae449 DM |
205 | die "illegal name '$volname' - sould be 'vm-$vmid-*'\n" |
206 | if $volname && $volname !~ m/^vm-$vmid-/; | |
55525ad2 | 207 | $volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt) |
1ccae449 | 208 | if !$volname; |
b3ba95e4 | 209 | |
1ccae449 DM |
210 | $class->zfs_create_zvol($scfg, $volname, $size); |
211 | my $devname = "/dev/zvol/$scfg->{pool}/$volname"; | |
82e08809 | 212 | |
1ccae449 | 213 | run_command("udevadm trigger --subsystem-match block"); |
602eacfe | 214 | system('udevadm', 'settle', '--timeout', '10', "--exit-if-exists=${devname}"); |
76fd7dc7 | 215 | |
1ccae449 | 216 | } elsif ( $fmt eq 'subvol') { |
55525ad2 DM |
217 | |
218 | die "illegal name '$volname' - sould be 'subvol-$vmid-*'\n" | |
219 | if $volname && $volname !~ m/^subvol-$vmid-/; | |
220 | $volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt) | |
221 | if !$volname; | |
222 | ||
1ccae449 DM |
223 | die "illegal name '$volname' - sould be 'subvol-$vmid-*'\n" |
224 | if $volname !~ m/^subvol-$vmid-/; | |
76fd7dc7 | 225 | |
1ccae449 DM |
226 | $class->zfs_create_subvol($scfg, $volname, $size); |
227 | ||
228 | } else { | |
229 | die "unsupported format '$fmt'"; | |
230 | } | |
b3ba95e4 | 231 | |
82e08809 | 232 | return $volname; |
b3ba95e4 WL |
233 | } |
234 | ||
e9565df5 WL |
235 | sub free_image { |
236 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; | |
237 | ||
238 | my (undef, $name, undef) = $class->parse_volname($volname); | |
239 | ||
240 | $class->zfs_delete_zvol($scfg, $name); | |
241 | ||
242 | return undef; | |
243 | } | |
244 | ||
ca04180f WL |
245 | sub list_images { |
246 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
247 | ||
248 | $cache->{zfs} = $class->zfs_list_zvol($scfg) if !$cache->{zfs}; | |
249 | my $zfspool = $scfg->{pool}; | |
250 | my $res = []; | |
251 | ||
252 | if (my $dat = $cache->{zfs}->{$zfspool}) { | |
253 | ||
254 | foreach my $image (keys %$dat) { | |
255 | ||
1b83c3d9 | 256 | my $info = $dat->{$image}; |
ca04180f | 257 | |
1b83c3d9 FG |
258 | my $volname = $info->{name}; |
259 | my $parent = $info->{parent}; | |
260 | my $owner = $info->{vmid}; | |
261 | ||
262 | if ($parent && $parent =~ m/^(\S+)\@__base__$/) { | |
ca04180f | 263 | my ($basename) = ($1); |
1b83c3d9 | 264 | $info->{volid} = "$storeid:$basename/$volname"; |
ca04180f | 265 | } else { |
1b83c3d9 | 266 | $info->{volid} = "$storeid:$volname"; |
ca04180f WL |
267 | } |
268 | ||
ca04180f | 269 | if ($vollist) { |
1b83c3d9 | 270 | my $found = grep { $_ eq $info->{volid} } @$vollist; |
ca04180f WL |
271 | next if !$found; |
272 | } else { | |
273 | next if defined ($vmid) && ($owner ne $vmid); | |
274 | } | |
275 | ||
ca04180f WL |
276 | push @$res, $info; |
277 | } | |
278 | } | |
ca04180f WL |
279 | return $res; |
280 | } | |
281 | ||
7730694e DM |
282 | sub zfs_get_pool_stats { |
283 | my ($class, $scfg) = @_; | |
284 | ||
285 | my $available = 0; | |
286 | my $used = 0; | |
287 | ||
44257d2e | 288 | my $text = $class->zfs_request($scfg, undef, 'get', '-o', 'value', '-Hp', |
7730694e DM |
289 | 'available,used', $scfg->{pool}); |
290 | ||
291 | my @lines = split /\n/, $text; | |
292 | ||
293 | if($lines[0] =~ /^(\d+)$/) { | |
294 | $available = $1; | |
295 | } | |
296 | ||
297 | if($lines[1] =~ /^(\d+)$/) { | |
298 | $used = $1; | |
299 | } | |
300 | ||
301 | return ($available, $used); | |
302 | } | |
303 | ||
7730694e DM |
304 | sub zfs_create_zvol { |
305 | my ($class, $scfg, $zvol, $size) = @_; | |
306 | ||
307 | my $cmd = ['create']; | |
308 | ||
309 | push @$cmd, '-s' if $scfg->{sparse}; | |
310 | ||
311 | push @$cmd, '-b', $scfg->{blocksize} if $scfg->{blocksize}; | |
312 | ||
313 | push @$cmd, '-V', "${size}k", "$scfg->{pool}/$zvol"; | |
314 | ||
44257d2e | 315 | $class->zfs_request($scfg, undef, @$cmd); |
7730694e DM |
316 | } |
317 | ||
1ccae449 DM |
318 | sub zfs_create_subvol { |
319 | my ($class, $scfg, $volname, $size) = @_; | |
320 | ||
321 | my $dataset = "$scfg->{pool}/$volname"; | |
322 | ||
efaf4017 DM |
323 | my $cmd = ['create', '-o', 'acltype=posixacl', '-o', 'xattr=sa', |
324 | '-o', "refquota=${size}k", $dataset]; | |
1ccae449 | 325 | |
44257d2e | 326 | $class->zfs_request($scfg, undef, @$cmd); |
1ccae449 DM |
327 | } |
328 | ||
7730694e DM |
329 | sub zfs_delete_zvol { |
330 | my ($class, $scfg, $zvol) = @_; | |
331 | ||
1f390a30 WL |
332 | my $err; |
333 | ||
334 | for (my $i = 0; $i < 6; $i++) { | |
335 | ||
44257d2e | 336 | eval { $class->zfs_request($scfg, undef, 'destroy', '-r', "$scfg->{pool}/$zvol"); }; |
1f390a30 WL |
337 | if ($err = $@) { |
338 | if ($err =~ m/^zfs error:(.*): dataset is busy.*/) { | |
339 | sleep(1); | |
27ff0e99 WL |
340 | } elsif ($err =~ m/^zfs error:.*: dataset does not exist.*$/) { |
341 | $err = undef; | |
342 | last; | |
1f390a30 WL |
343 | } else { |
344 | die $err; | |
345 | } | |
346 | } else { | |
347 | last; | |
348 | } | |
349 | } | |
350 | ||
351 | die $err if $err; | |
7730694e DM |
352 | } |
353 | ||
354 | sub zfs_list_zvol { | |
355 | my ($class, $scfg) = @_; | |
356 | ||
44257d2e | 357 | my $text = $class->zfs_request($scfg, 10, 'list', '-o', 'name,volsize,origin,type,refquota', '-t', 'volume,filesystem', '-Hr'); |
7730694e DM |
358 | my $zvols = zfs_parse_zvol_list($text); |
359 | return undef if !$zvols; | |
360 | ||
361 | my $list = (); | |
362 | foreach my $zvol (@$zvols) { | |
1ccae449 DM |
363 | my $pool = $zvol->{pool}; |
364 | my $name = $zvol->{name}; | |
7730694e DM |
365 | my $parent = $zvol->{origin}; |
366 | if($zvol->{origin} && $zvol->{origin} =~ m/^$scfg->{pool}\/(\S+)$/){ | |
367 | $parent = $1; | |
368 | } | |
369 | ||
1ccae449 DM |
370 | $list->{$pool}->{$name} = { |
371 | name => $name, | |
7730694e DM |
372 | size => $zvol->{size}, |
373 | parent => $parent, | |
1ccae449 DM |
374 | format => $zvol->{format}, |
375 | vmid => $zvol->{owner}, | |
7730694e DM |
376 | }; |
377 | } | |
378 | ||
379 | return $list; | |
380 | } | |
381 | ||
382 | sub zfs_find_free_diskname { | |
55525ad2 | 383 | my ($class, $storeid, $scfg, $vmid, $format) = @_; |
7730694e DM |
384 | |
385 | my $name = undef; | |
386 | my $volumes = $class->zfs_list_zvol($scfg); | |
387 | ||
388 | my $disk_ids = {}; | |
389 | my $dat = $volumes->{$scfg->{pool}}; | |
390 | ||
391 | foreach my $image (keys %$dat) { | |
392 | my $volname = $dat->{$image}->{name}; | |
851658c3 | 393 | if ($volname =~ m/(vm|base|subvol|basevol)-$vmid-disk-(\d+)/){ |
7730694e DM |
394 | $disk_ids->{$2} = 1; |
395 | } | |
396 | } | |
397 | ||
398 | for (my $i = 1; $i < 100; $i++) { | |
399 | if (!$disk_ids->{$i}) { | |
55525ad2 | 400 | return $format eq 'subvol' ? "subvol-$vmid-disk-$i" : "vm-$vmid-disk-$i"; |
7730694e DM |
401 | } |
402 | } | |
403 | ||
404 | die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"; | |
405 | } | |
406 | ||
2fc59177 DM |
407 | sub zfs_get_latest_snapshot { |
408 | my ($class, $scfg, $volname) = @_; | |
409 | ||
851658c3 WL |
410 | my $vname = ($class->parse_volname($volname))[1]; |
411 | ||
2fc59177 DM |
412 | # abort rollback if snapshot is not the latest |
413 | my @params = ('-t', 'snapshot', '-o', 'name', '-s', 'creation'); | |
44257d2e | 414 | my $text = $class->zfs_request($scfg, undef, 'list', @params); |
2fc59177 DM |
415 | my @snapshots = split(/\n/, $text); |
416 | ||
417 | my $recentsnap; | |
418 | foreach (@snapshots) { | |
851658c3 | 419 | if (/$scfg->{pool}\/$vname/) { |
2fc59177 DM |
420 | s/^.*@//; |
421 | $recentsnap = $_; | |
422 | } | |
423 | } | |
424 | ||
425 | return $recentsnap; | |
426 | } | |
427 | ||
b5e5f7e3 DM |
428 | sub status { |
429 | my ($class, $storeid, $scfg, $cache) = @_; | |
430 | ||
431 | my $total = 0; | |
432 | my $free = 0; | |
433 | my $used = 0; | |
434 | my $active = 0; | |
435 | ||
436 | eval { | |
437 | ($free, $used) = $class->zfs_get_pool_stats($scfg); | |
438 | $active = 1; | |
439 | $total = $free + $used; | |
440 | }; | |
441 | warn $@ if $@; | |
442 | ||
443 | return ($total, $free, $used, $active); | |
444 | } | |
445 | ||
446 | sub volume_size_info { | |
447 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
448 | ||
851658c3 | 449 | my (undef, $vname, undef, undef, undef, undef, $format) = |
79f2b938 DM |
450 | $class->parse_volname($volname); |
451 | ||
452 | my $attr = $format eq 'subvol' ? 'refquota' : 'volsize'; | |
44257d2e | 453 | my $text = $class->zfs_request($scfg, undef, 'get', '-Hp', $attr, "$scfg->{pool}/$vname"); |
79f2b938 DM |
454 | if ($text =~ /\s$attr\s(\d+)\s/) { |
455 | return $1; | |
456 | } | |
457 | ||
458 | die "Could not get zfs volume size\n"; | |
b5e5f7e3 DM |
459 | } |
460 | ||
461 | sub volume_snapshot { | |
f5640e7d | 462 | my ($class, $scfg, $storeid, $volname, $snap) = @_; |
b5e5f7e3 | 463 | |
851658c3 WL |
464 | my $vname = ($class->parse_volname($volname))[1]; |
465 | ||
44257d2e | 466 | $class->zfs_request($scfg, undef, 'snapshot', "$scfg->{pool}/$vname\@$snap"); |
b5e5f7e3 DM |
467 | } |
468 | ||
469 | sub volume_snapshot_delete { | |
470 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
471 | ||
851658c3 WL |
472 | my $vname = ($class->parse_volname($volname))[1]; |
473 | ||
474 | $class->deactivate_volume($storeid, $scfg, $vname, $snap, {}); | |
44257d2e | 475 | $class->zfs_request($scfg, undef, 'destroy', "$scfg->{pool}/$vname\@$snap"); |
b5e5f7e3 DM |
476 | } |
477 | ||
2b40ffae WL |
478 | sub volume_snapshot_rollback { |
479 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
480 | ||
851658c3 WL |
481 | my $vname = ($class->parse_volname($volname))[1]; |
482 | ||
44257d2e | 483 | $class->zfs_request($scfg, undef, 'rollback', "$scfg->{pool}/$vname\@$snap"); |
1597f1f9 WL |
484 | } |
485 | ||
486 | sub volume_rollback_is_possible { | |
487 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
488 | ||
2fc59177 | 489 | my $recentsnap = $class->zfs_get_latest_snapshot($scfg, $volname); |
2b40ffae | 490 | if ($snap ne $recentsnap) { |
1597f1f9 | 491 | die "can't rollback, more recent snapshots exist\n"; |
2b40ffae WL |
492 | } |
493 | ||
1597f1f9 | 494 | return 1; |
2b40ffae WL |
495 | } |
496 | ||
aefe82ea | 497 | sub volume_snapshot_list { |
17be2e9a | 498 | my ($class, $scfg, $storeid, $volname, $prefix) = @_; |
aefe82ea WL |
499 | |
500 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
501 | ||
502 | my $zpath = "$scfg->{pool}/$name"; | |
503 | ||
504 | $prefix = '' if !defined($prefix); | |
505 | my $snaps = []; | |
506 | ||
507 | my $cmd = ['zfs', 'list', '-r', '-H', '-S', 'name', '-t', 'snap', '-o', | |
508 | 'name', $zpath]; | |
509 | ||
aefe82ea WL |
510 | my $outfunc = sub { |
511 | my $line = shift; | |
512 | ||
513 | if ($line =~ m/^\Q$zpath\E@(\Q$prefix\E.*)$/) { | |
514 | push @$snaps, $1; | |
515 | } | |
516 | }; | |
517 | ||
518 | eval { run_command( [$cmd], outfunc => $outfunc , errfunc => sub{}); }; | |
519 | ||
520 | # return an empty array if dataset does not exist. | |
521 | return $snaps; | |
522 | } | |
523 | ||
0a3d992f DM |
524 | sub activate_storage { |
525 | my ($class, $storeid, $scfg, $cache) = @_; | |
86d47239 | 526 | |
93124ef4 DM |
527 | # Note: $scfg->{pool} can include dataset <pool>/<dataset> |
528 | my $pool = $scfg->{pool}; | |
529 | $pool =~ s!/.*$!!; | |
530 | ||
e2e63801 FG |
531 | my @param = ('-o', 'name', '-H', "$pool"); |
532 | my $res; | |
533 | eval { | |
44257d2e | 534 | $res = $class->zfs_request($scfg, undef, 'zpool_list', @param); |
e2e63801 FG |
535 | }; |
536 | ||
537 | if ($@ || !defined($res) || $res !~ $pool) { | |
538 | eval { | |
539 | @param = ('-d', '/dev/disk/by-id/', "$pool"); | |
44257d2e | 540 | $class->zfs_request($scfg, undef, 'zpool_import', @param); |
e2e63801 FG |
541 | }; |
542 | die "could not activate storage '$storeid', $@\n" if $@; | |
86d47239 | 543 | } |
0a3d992f DM |
544 | return 1; |
545 | } | |
546 | ||
547 | sub deactivate_storage { | |
548 | my ($class, $storeid, $scfg, $cache) = @_; | |
549 | return 1; | |
550 | } | |
551 | ||
d4c63dc1 | 552 | sub activate_volume { |
02e797b8 | 553 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
d4c63dc1 WL |
554 | return 1; |
555 | } | |
556 | ||
557 | sub deactivate_volume { | |
02e797b8 | 558 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
d4c63dc1 WL |
559 | return 1; |
560 | } | |
5bb8e010 | 561 | |
d3a282e8 WL |
562 | sub clone_image { |
563 | my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_; | |
564 | ||
565 | $snap ||= '__base__'; | |
566 | ||
55525ad2 | 567 | my ($vtype, $basename, $basevmid, undef, undef, $isBase, $format) = |
d3a282e8 WL |
568 | $class->parse_volname($volname); |
569 | ||
570 | die "clone_image only works on base images\n" if !$isBase; | |
571 | ||
55525ad2 | 572 | my $name = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $format); |
d3a282e8 | 573 | |
851658c3 | 574 | if ($format eq 'subvol') { |
44257d2e | 575 | my $size = $class->zfs_request($scfg, undef, 'list', '-H', '-o', 'refquota', "$scfg->{pool}/$basename"); |
851658c3 | 576 | chomp($size); |
44257d2e | 577 | $class->zfs_request($scfg, undef, 'clone', "$scfg->{pool}/$basename\@$snap", "$scfg->{pool}/$name", '-o', "refquota=$size"); |
851658c3 | 578 | } else { |
44257d2e | 579 | $class->zfs_request($scfg, undef, 'clone', "$scfg->{pool}/$basename\@$snap", "$scfg->{pool}/$name"); |
851658c3 | 580 | } |
d3a282e8 | 581 | |
851658c3 | 582 | return "$basename/$name"; |
d3a282e8 WL |
583 | } |
584 | ||
585 | sub create_base { | |
586 | my ($class, $storeid, $scfg, $volname) = @_; | |
587 | ||
588 | my $snap = '__base__'; | |
589 | ||
851658c3 | 590 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) = |
d3a282e8 WL |
591 | $class->parse_volname($volname); |
592 | ||
593 | die "create_base not possible with base image\n" if $isBase; | |
594 | ||
595 | my $newname = $name; | |
851658c3 WL |
596 | if ( $format eq 'subvol' ) { |
597 | $newname =~ s/^subvol-/basevol-/; | |
598 | } else { | |
599 | $newname =~ s/^vm-/base-/; | |
600 | } | |
d3a282e8 WL |
601 | my $newvolname = $basename ? "$basename/$newname" : "$newname"; |
602 | ||
44257d2e | 603 | $class->zfs_request($scfg, undef, 'rename', "$scfg->{pool}/$name", "$scfg->{pool}/$newname"); |
d3a282e8 WL |
604 | |
605 | my $running = undef; #fixme : is create_base always offline ? | |
606 | ||
607 | $class->volume_snapshot($scfg, $storeid, $newname, $snap, $running); | |
608 | ||
609 | return $newvolname; | |
610 | } | |
611 | ||
a4034b9f WL |
612 | sub volume_resize { |
613 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
614 | ||
79f2b938 DM |
615 | my $new_size = int($size/1024); |
616 | ||
851658c3 | 617 | my (undef, $vname, undef, undef, undef, undef, $format) = |
79f2b938 DM |
618 | $class->parse_volname($volname); |
619 | ||
620 | my $attr = $format eq 'subvol' ? 'refquota' : 'volsize'; | |
a4034b9f | 621 | |
44257d2e | 622 | $class->zfs_request($scfg, undef, 'set', "$attr=${new_size}k", "$scfg->{pool}/$vname"); |
a4034b9f WL |
623 | |
624 | return $new_size; | |
625 | } | |
626 | ||
2b40ffae WL |
627 | sub volume_has_feature { |
628 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
629 | ||
630 | my $features = { | |
631 | snapshot => { current => 1, snap => 1}, | |
632 | clone => { base => 1}, | |
633 | template => { current => 1}, | |
634 | copy => { base => 1, current => 1}, | |
baafddbd | 635 | sparseinit => { base => 1, current => 1}, |
f189504c | 636 | replicate => { base => 1, current => 1}, |
2b40ffae WL |
637 | }; |
638 | ||
639 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
640 | $class->parse_volname($volname); | |
641 | ||
642 | my $key = undef; | |
643 | ||
644 | if ($snapname) { | |
645 | $key = 'snap'; | |
646 | } else { | |
647 | $key = $isBase ? 'base' : 'current'; | |
648 | } | |
649 | ||
650 | return 1 if $features->{$feature}->{$key}; | |
651 | ||
652 | return undef; | |
653 | } | |
654 | ||
47f37b53 WB |
655 | sub volume_export { |
656 | my ($class, $scfg, $storeid, $fh, $volname, $format, $snapshot, $base_snapshot, $with_snapshots) = @_; | |
657 | ||
658 | die "unsupported export stream format for $class: $format\n" | |
659 | if $format ne 'zfs'; | |
660 | ||
661 | die "$class storage can only export snapshots\n" | |
662 | if !defined($snapshot); | |
663 | ||
664 | my $fd = fileno($fh); | |
665 | die "internal error: invalid file handle for volume_export\n" | |
666 | if !defined($fd); | |
667 | $fd = ">&$fd"; | |
668 | ||
669 | # For zfs we always create a replication stream (-R) which means the remote | |
670 | # side will always delete non-existing source snapshots. This should work | |
671 | # for all our use cases. | |
672 | my $cmd = ['zfs', 'send', '-Rpv']; | |
673 | if (defined($base_snapshot)) { | |
674 | my $arg = $with_snapshots ? '-I' : '-i'; | |
675 | push @$cmd, $arg, $base_snapshot; | |
676 | } | |
677 | push @$cmd, '--', "$scfg->{pool}/$volname\@$snapshot"; | |
678 | ||
679 | run_command($cmd, output => $fd); | |
680 | ||
681 | return; | |
682 | } | |
683 | ||
684 | sub volume_import { | |
685 | my ($class, $scfg, $storeid, $fh, $volname, $format, $base_snapshot, $with_snapshots) = @_; | |
686 | ||
687 | die "unsupported import stream format for $class: $format\n" | |
688 | if $format ne 'zfs'; | |
689 | ||
690 | my $fd = fileno($fh); | |
691 | die "internal error: invalid file handle for volume_import\n" | |
692 | if !defined($fd); | |
693 | ||
694 | my $zfspath = "$scfg->{pool}/$volname"; | |
695 | my $suffix = defined($base_snapshot) ? "\@$base_snapshot" : ''; | |
696 | my $exists = 0 == run_command(['zfs', 'get', '-H', 'name', $zfspath.$suffix], | |
697 | noerr => 1, errfunc => sub {}); | |
698 | if (defined($base_snapshot)) { | |
699 | die "base snapshot '$zfspath\@$base_snapshot' doesn't exist\n" if !$exists; | |
700 | } else { | |
701 | die "volume '$zfspath' already exists\n" if $exists; | |
702 | } | |
703 | ||
704 | eval { run_command(['zfs', 'recv', '-F', '--', $zfspath], input => "<&$fd") }; | |
705 | if (my $err = $@) { | |
706 | if (defined($base_snapshot)) { | |
707 | eval { run_command(['zfs', 'rollback', '-r', '--', "$zfspath\@$base_snapshot"]) }; | |
708 | } else { | |
709 | eval { run_command(['zfs', 'destroy', '-r', '--', $zfspath]) }; | |
710 | } | |
711 | die $err; | |
712 | } | |
713 | ||
714 | return; | |
715 | } | |
716 | ||
5bb8e010 | 717 | 1; |