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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 | 45 | content => { optional => 1 }, |
9edb99a5 | 46 | bwlimit => { optional => 1 }, |
5bb8e010 DM |
47 | }; |
48 | } | |
49 | ||
7730694e DM |
50 | # static zfs helper methods |
51 | ||
060ef890 DM |
52 | sub zfs_parse_size { |
53 | my ($text) = @_; | |
54 | ||
55 | return 0 if !$text; | |
56 | ||
57 | if ($text =~ m/^(\d+(\.\d+)?)([TGMK])?$/) { | |
58 | ||
59 | my ($size, $reminder, $unit) = ($1, $2, $3); | |
60 | ||
61 | if ($unit) { | |
62 | if ($unit eq 'K') { | |
63 | $size *= 1024; | |
64 | } elsif ($unit eq 'M') { | |
65 | $size *= 1024*1024; | |
66 | } elsif ($unit eq 'G') { | |
67 | $size *= 1024*1024*1024; | |
68 | } elsif ($unit eq 'T') { | |
69 | $size *= 1024*1024*1024*1024; | |
70 | } else { | |
71 | die "got unknown zfs size unit '$unit'\n"; | |
72 | } | |
73 | } | |
74 | ||
75 | if ($reminder) { | |
76 | $size = ceil($size); | |
77 | } | |
78 | ||
79 | return $size; | |
80 | ||
81 | } | |
82 | ||
83 | warn "unable to parse zfs size '$text'\n"; | |
84 | ||
85 | return 0; | |
86 | } | |
87 | ||
7730694e DM |
88 | sub zfs_parse_zvol_list { |
89 | my ($text) = @_; | |
90 | ||
91 | my $list = (); | |
92 | ||
93 | return $list if !$text; | |
94 | ||
95 | my @lines = split /\n/, $text; | |
96 | foreach my $line (@lines) { | |
1ccae449 DM |
97 | my ($dataset, $size, $origin, $type, $refquota) = split(/\s+/, $line); |
98 | next if !($type eq 'volume' || $type eq 'filesystem'); | |
99 | ||
100 | my $zvol = {}; | |
101 | my @parts = split /\//, $dataset; | |
dec97937 | 102 | next if scalar(@parts) < 2; # we need pool/name |
1ccae449 DM |
103 | my $name = pop @parts; |
104 | my $pool = join('/', @parts); | |
105 | ||
851658c3 | 106 | next unless $name =~ m!^(vm|base|subvol|basevol)-(\d+)-(\S+)$!; |
1ccae449 DM |
107 | $zvol->{owner} = $2; |
108 | ||
1ccae449 DM |
109 | $zvol->{pool} = $pool; |
110 | $zvol->{name} = $name; | |
111 | if ($type eq 'filesystem') { | |
112 | if ($refquota eq 'none') { | |
113 | $zvol->{size} = 0; | |
114 | } else { | |
115 | $zvol->{size} = zfs_parse_size($refquota); | |
7730694e | 116 | } |
1ccae449 DM |
117 | $zvol->{format} = 'subvol'; |
118 | } else { | |
119 | $zvol->{size} = zfs_parse_size($size); | |
120 | $zvol->{format} = 'raw'; | |
7730694e | 121 | } |
1ccae449 DM |
122 | if ($origin !~ /^-$/) { |
123 | $zvol->{origin} = $origin; | |
124 | } | |
125 | push @$list, $zvol; | |
7730694e DM |
126 | } |
127 | ||
128 | return $list; | |
129 | } | |
130 | ||
cc80ed9c WL |
131 | sub parse_volname { |
132 | my ($class, $volname) = @_; | |
133 | ||
8e5b96ca DM |
134 | if ($volname =~ m/^(((base|basevol)-(\d+)-\S+)\/)?((base|basevol|vm|subvol)-(\d+)-\S+)$/) { |
135 | my $format = ($6 eq 'subvol' || $6 eq 'basevol') ? 'subvol' : 'raw'; | |
136 | my $isBase = ($6 eq 'base' || $6 eq 'basevol'); | |
137 | return ('images', $5, $7, $2, $4, $isBase, $format); | |
cc80ed9c WL |
138 | } |
139 | ||
140 | die "unable to parse zfs volume name '$volname'\n"; | |
141 | } | |
142 | ||
7730694e DM |
143 | # virtual zfs methods (subclass can overwrite them) |
144 | ||
f3e632d0 | 145 | sub path { |
e67069eb | 146 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; |
f3e632d0 WL |
147 | |
148 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
149 | ||
150 | my $path = ''; | |
151 | ||
1ccae449 | 152 | if ($vtype eq "images") { |
74b724a6 | 153 | if ($name =~ m/^subvol-/ || $name =~ m/^basevol-/) { |
f482231e | 154 | # fixme: we currently assume standard mount point?! |
851658c3 | 155 | $path = "/$scfg->{pool}/$name"; |
1ccae449 | 156 | } else { |
851658c3 | 157 | $path = "/dev/zvol/$scfg->{pool}/$name"; |
1ccae449 | 158 | } |
f482231e | 159 | $path .= "\@$snapname" if defined($snapname); |
f3e632d0 | 160 | } else { |
85fda4dd | 161 | die "$vtype is not allowed in ZFSPool!"; |
f3e632d0 WL |
162 | } |
163 | ||
164 | return ($path, $vmid, $vtype); | |
165 | } | |
166 | ||
7730694e | 167 | sub zfs_request { |
44257d2e | 168 | my ($class, $scfg, $timeout, $method, @params) = @_; |
7730694e | 169 | |
ef881e10 | 170 | my $default_timeout = PVE::RPCEnvironment->is_worker() ? 60*60 : 5; |
7730694e DM |
171 | |
172 | my $cmd = []; | |
173 | ||
174 | if ($method eq 'zpool_list') { | |
86d47239 | 175 | push @$cmd, 'zpool', 'list'; |
e2e63801 FG |
176 | } elsif ($method eq 'zpool_import') { |
177 | push @$cmd, 'zpool', 'import'; | |
72bdeea1 | 178 | $default_timeout = 15 if $default_timeout < 15; |
7730694e DM |
179 | } else { |
180 | push @$cmd, 'zfs', $method; | |
181 | } | |
182 | ||
183 | push @$cmd, @params; | |
889d7485 | 184 | |
7730694e DM |
185 | my $msg = ''; |
186 | ||
187 | my $output = sub { | |
188 | my $line = shift; | |
189 | $msg .= "$line\n"; | |
190 | }; | |
191 | ||
72bdeea1 FG |
192 | $timeout = $default_timeout if !$timeout; |
193 | ||
1f390a30 | 194 | run_command($cmd, errmsg => "zfs error", outfunc => $output, timeout => $timeout); |
7730694e DM |
195 | |
196 | return $msg; | |
197 | } | |
198 | ||
b3ba95e4 WL |
199 | sub alloc_image { |
200 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
201 | ||
1ccae449 DM |
202 | my $volname = $name; |
203 | ||
204 | if ($fmt eq 'raw') { | |
b3ba95e4 | 205 | |
1ccae449 DM |
206 | die "illegal name '$volname' - sould be 'vm-$vmid-*'\n" |
207 | if $volname && $volname !~ m/^vm-$vmid-/; | |
55525ad2 | 208 | $volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt) |
1ccae449 | 209 | if !$volname; |
b3ba95e4 | 210 | |
1ccae449 DM |
211 | $class->zfs_create_zvol($scfg, $volname, $size); |
212 | my $devname = "/dev/zvol/$scfg->{pool}/$volname"; | |
82e08809 | 213 | |
cf8ded6a | 214 | my $timeout = PVE::RPCEnvironment->is_worker() ? 60*5 : 10; |
894b9ecc WL |
215 | for (my $i = 1; $i <= $timeout; $i++) { |
216 | last if -b $devname; | |
217 | die "Timeout: no zvol after $timeout sec found.\n" | |
218 | if $i == $timeout; | |
76fd7dc7 | 219 | |
894b9ecc WL |
220 | sleep(1); |
221 | } | |
1ccae449 | 222 | } elsif ( $fmt eq 'subvol') { |
55525ad2 DM |
223 | |
224 | die "illegal name '$volname' - sould be 'subvol-$vmid-*'\n" | |
225 | if $volname && $volname !~ m/^subvol-$vmid-/; | |
226 | $volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt) | |
227 | if !$volname; | |
228 | ||
1ccae449 DM |
229 | die "illegal name '$volname' - sould be 'subvol-$vmid-*'\n" |
230 | if $volname !~ m/^subvol-$vmid-/; | |
76fd7dc7 | 231 | |
1ccae449 DM |
232 | $class->zfs_create_subvol($scfg, $volname, $size); |
233 | ||
234 | } else { | |
235 | die "unsupported format '$fmt'"; | |
236 | } | |
b3ba95e4 | 237 | |
82e08809 | 238 | return $volname; |
b3ba95e4 WL |
239 | } |
240 | ||
e9565df5 WL |
241 | sub free_image { |
242 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; | |
243 | ||
244 | my (undef, $name, undef) = $class->parse_volname($volname); | |
245 | ||
246 | $class->zfs_delete_zvol($scfg, $name); | |
247 | ||
248 | return undef; | |
249 | } | |
250 | ||
ca04180f WL |
251 | sub list_images { |
252 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
253 | ||
254 | $cache->{zfs} = $class->zfs_list_zvol($scfg) if !$cache->{zfs}; | |
255 | my $zfspool = $scfg->{pool}; | |
256 | my $res = []; | |
257 | ||
258 | if (my $dat = $cache->{zfs}->{$zfspool}) { | |
259 | ||
260 | foreach my $image (keys %$dat) { | |
261 | ||
1b83c3d9 | 262 | my $info = $dat->{$image}; |
ca04180f | 263 | |
1b83c3d9 FG |
264 | my $volname = $info->{name}; |
265 | my $parent = $info->{parent}; | |
266 | my $owner = $info->{vmid}; | |
267 | ||
268 | if ($parent && $parent =~ m/^(\S+)\@__base__$/) { | |
ca04180f | 269 | my ($basename) = ($1); |
1b83c3d9 | 270 | $info->{volid} = "$storeid:$basename/$volname"; |
ca04180f | 271 | } else { |
1b83c3d9 | 272 | $info->{volid} = "$storeid:$volname"; |
ca04180f WL |
273 | } |
274 | ||
ca04180f | 275 | if ($vollist) { |
1b83c3d9 | 276 | my $found = grep { $_ eq $info->{volid} } @$vollist; |
ca04180f WL |
277 | next if !$found; |
278 | } else { | |
279 | next if defined ($vmid) && ($owner ne $vmid); | |
280 | } | |
281 | ||
ca04180f WL |
282 | push @$res, $info; |
283 | } | |
284 | } | |
ca04180f WL |
285 | return $res; |
286 | } | |
287 | ||
7730694e DM |
288 | sub zfs_get_pool_stats { |
289 | my ($class, $scfg) = @_; | |
290 | ||
291 | my $available = 0; | |
292 | my $used = 0; | |
293 | ||
44257d2e | 294 | my $text = $class->zfs_request($scfg, undef, 'get', '-o', 'value', '-Hp', |
7730694e DM |
295 | 'available,used', $scfg->{pool}); |
296 | ||
297 | my @lines = split /\n/, $text; | |
298 | ||
299 | if($lines[0] =~ /^(\d+)$/) { | |
300 | $available = $1; | |
301 | } | |
302 | ||
303 | if($lines[1] =~ /^(\d+)$/) { | |
304 | $used = $1; | |
305 | } | |
306 | ||
307 | return ($available, $used); | |
308 | } | |
309 | ||
7730694e DM |
310 | sub zfs_create_zvol { |
311 | my ($class, $scfg, $zvol, $size) = @_; | |
312 | ||
313 | my $cmd = ['create']; | |
314 | ||
315 | push @$cmd, '-s' if $scfg->{sparse}; | |
316 | ||
317 | push @$cmd, '-b', $scfg->{blocksize} if $scfg->{blocksize}; | |
318 | ||
319 | push @$cmd, '-V', "${size}k", "$scfg->{pool}/$zvol"; | |
320 | ||
44257d2e | 321 | $class->zfs_request($scfg, undef, @$cmd); |
7730694e DM |
322 | } |
323 | ||
1ccae449 DM |
324 | sub zfs_create_subvol { |
325 | my ($class, $scfg, $volname, $size) = @_; | |
326 | ||
327 | my $dataset = "$scfg->{pool}/$volname"; | |
328 | ||
efaf4017 DM |
329 | my $cmd = ['create', '-o', 'acltype=posixacl', '-o', 'xattr=sa', |
330 | '-o', "refquota=${size}k", $dataset]; | |
1ccae449 | 331 | |
44257d2e | 332 | $class->zfs_request($scfg, undef, @$cmd); |
1ccae449 DM |
333 | } |
334 | ||
7730694e DM |
335 | sub zfs_delete_zvol { |
336 | my ($class, $scfg, $zvol) = @_; | |
337 | ||
1f390a30 WL |
338 | my $err; |
339 | ||
340 | for (my $i = 0; $i < 6; $i++) { | |
341 | ||
44257d2e | 342 | eval { $class->zfs_request($scfg, undef, 'destroy', '-r', "$scfg->{pool}/$zvol"); }; |
1f390a30 WL |
343 | if ($err = $@) { |
344 | if ($err =~ m/^zfs error:(.*): dataset is busy.*/) { | |
345 | sleep(1); | |
27ff0e99 WL |
346 | } elsif ($err =~ m/^zfs error:.*: dataset does not exist.*$/) { |
347 | $err = undef; | |
348 | last; | |
1f390a30 WL |
349 | } else { |
350 | die $err; | |
351 | } | |
352 | } else { | |
353 | last; | |
354 | } | |
355 | } | |
356 | ||
357 | die $err if $err; | |
7730694e DM |
358 | } |
359 | ||
360 | sub zfs_list_zvol { | |
361 | my ($class, $scfg) = @_; | |
362 | ||
44257d2e | 363 | my $text = $class->zfs_request($scfg, 10, 'list', '-o', 'name,volsize,origin,type,refquota', '-t', 'volume,filesystem', '-Hr'); |
7730694e DM |
364 | my $zvols = zfs_parse_zvol_list($text); |
365 | return undef if !$zvols; | |
366 | ||
367 | my $list = (); | |
368 | foreach my $zvol (@$zvols) { | |
1ccae449 DM |
369 | my $pool = $zvol->{pool}; |
370 | my $name = $zvol->{name}; | |
7730694e DM |
371 | my $parent = $zvol->{origin}; |
372 | if($zvol->{origin} && $zvol->{origin} =~ m/^$scfg->{pool}\/(\S+)$/){ | |
373 | $parent = $1; | |
374 | } | |
375 | ||
1ccae449 DM |
376 | $list->{$pool}->{$name} = { |
377 | name => $name, | |
7730694e DM |
378 | size => $zvol->{size}, |
379 | parent => $parent, | |
1ccae449 DM |
380 | format => $zvol->{format}, |
381 | vmid => $zvol->{owner}, | |
7730694e DM |
382 | }; |
383 | } | |
384 | ||
385 | return $list; | |
386 | } | |
387 | ||
388 | sub zfs_find_free_diskname { | |
55525ad2 | 389 | my ($class, $storeid, $scfg, $vmid, $format) = @_; |
7730694e DM |
390 | |
391 | my $name = undef; | |
392 | my $volumes = $class->zfs_list_zvol($scfg); | |
393 | ||
394 | my $disk_ids = {}; | |
395 | my $dat = $volumes->{$scfg->{pool}}; | |
396 | ||
397 | foreach my $image (keys %$dat) { | |
398 | my $volname = $dat->{$image}->{name}; | |
851658c3 | 399 | if ($volname =~ m/(vm|base|subvol|basevol)-$vmid-disk-(\d+)/){ |
7730694e DM |
400 | $disk_ids->{$2} = 1; |
401 | } | |
402 | } | |
403 | ||
404 | for (my $i = 1; $i < 100; $i++) { | |
405 | if (!$disk_ids->{$i}) { | |
55525ad2 | 406 | return $format eq 'subvol' ? "subvol-$vmid-disk-$i" : "vm-$vmid-disk-$i"; |
7730694e DM |
407 | } |
408 | } | |
409 | ||
410 | die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"; | |
411 | } | |
412 | ||
2fc59177 DM |
413 | sub zfs_get_latest_snapshot { |
414 | my ($class, $scfg, $volname) = @_; | |
415 | ||
851658c3 WL |
416 | my $vname = ($class->parse_volname($volname))[1]; |
417 | ||
2fc59177 DM |
418 | # abort rollback if snapshot is not the latest |
419 | my @params = ('-t', 'snapshot', '-o', 'name', '-s', 'creation'); | |
44257d2e | 420 | my $text = $class->zfs_request($scfg, undef, 'list', @params); |
2fc59177 DM |
421 | my @snapshots = split(/\n/, $text); |
422 | ||
423 | my $recentsnap; | |
424 | foreach (@snapshots) { | |
851658c3 | 425 | if (/$scfg->{pool}\/$vname/) { |
2fc59177 DM |
426 | s/^.*@//; |
427 | $recentsnap = $_; | |
428 | } | |
429 | } | |
430 | ||
431 | return $recentsnap; | |
432 | } | |
433 | ||
b5e5f7e3 DM |
434 | sub status { |
435 | my ($class, $storeid, $scfg, $cache) = @_; | |
436 | ||
437 | my $total = 0; | |
438 | my $free = 0; | |
439 | my $used = 0; | |
440 | my $active = 0; | |
441 | ||
442 | eval { | |
443 | ($free, $used) = $class->zfs_get_pool_stats($scfg); | |
444 | $active = 1; | |
445 | $total = $free + $used; | |
446 | }; | |
447 | warn $@ if $@; | |
448 | ||
449 | return ($total, $free, $used, $active); | |
450 | } | |
451 | ||
452 | sub volume_size_info { | |
453 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
454 | ||
851658c3 | 455 | my (undef, $vname, undef, undef, undef, undef, $format) = |
79f2b938 DM |
456 | $class->parse_volname($volname); |
457 | ||
458 | my $attr = $format eq 'subvol' ? 'refquota' : 'volsize'; | |
44257d2e | 459 | my $text = $class->zfs_request($scfg, undef, 'get', '-Hp', $attr, "$scfg->{pool}/$vname"); |
79f2b938 DM |
460 | if ($text =~ /\s$attr\s(\d+)\s/) { |
461 | return $1; | |
462 | } | |
463 | ||
464 | die "Could not get zfs volume size\n"; | |
b5e5f7e3 DM |
465 | } |
466 | ||
467 | sub volume_snapshot { | |
f5640e7d | 468 | my ($class, $scfg, $storeid, $volname, $snap) = @_; |
b5e5f7e3 | 469 | |
851658c3 WL |
470 | my $vname = ($class->parse_volname($volname))[1]; |
471 | ||
44257d2e | 472 | $class->zfs_request($scfg, undef, 'snapshot', "$scfg->{pool}/$vname\@$snap"); |
b5e5f7e3 DM |
473 | } |
474 | ||
475 | sub volume_snapshot_delete { | |
476 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
477 | ||
851658c3 WL |
478 | my $vname = ($class->parse_volname($volname))[1]; |
479 | ||
480 | $class->deactivate_volume($storeid, $scfg, $vname, $snap, {}); | |
44257d2e | 481 | $class->zfs_request($scfg, undef, 'destroy', "$scfg->{pool}/$vname\@$snap"); |
b5e5f7e3 DM |
482 | } |
483 | ||
2b40ffae WL |
484 | sub volume_snapshot_rollback { |
485 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
486 | ||
851658c3 WL |
487 | my $vname = ($class->parse_volname($volname))[1]; |
488 | ||
44257d2e | 489 | $class->zfs_request($scfg, undef, 'rollback', "$scfg->{pool}/$vname\@$snap"); |
1597f1f9 WL |
490 | } |
491 | ||
492 | sub volume_rollback_is_possible { | |
493 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
494 | ||
2fc59177 | 495 | my $recentsnap = $class->zfs_get_latest_snapshot($scfg, $volname); |
2b40ffae | 496 | if ($snap ne $recentsnap) { |
1597f1f9 | 497 | die "can't rollback, more recent snapshots exist\n"; |
2b40ffae WL |
498 | } |
499 | ||
1597f1f9 | 500 | return 1; |
2b40ffae WL |
501 | } |
502 | ||
aefe82ea | 503 | sub volume_snapshot_list { |
8b622c2d | 504 | my ($class, $scfg, $storeid, $volname) = @_; |
aefe82ea WL |
505 | |
506 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
507 | ||
508 | my $zpath = "$scfg->{pool}/$name"; | |
509 | ||
aefe82ea WL |
510 | my $snaps = []; |
511 | ||
512 | my $cmd = ['zfs', 'list', '-r', '-H', '-S', 'name', '-t', 'snap', '-o', | |
513 | 'name', $zpath]; | |
514 | ||
aefe82ea WL |
515 | my $outfunc = sub { |
516 | my $line = shift; | |
517 | ||
8b622c2d | 518 | if ($line =~ m/^\Q$zpath\E@(.*)$/) { |
aefe82ea WL |
519 | push @$snaps, $1; |
520 | } | |
521 | }; | |
522 | ||
523 | eval { run_command( [$cmd], outfunc => $outfunc , errfunc => sub{}); }; | |
524 | ||
525 | # return an empty array if dataset does not exist. | |
526 | return $snaps; | |
527 | } | |
528 | ||
0a3d992f DM |
529 | sub activate_storage { |
530 | my ($class, $storeid, $scfg, $cache) = @_; | |
86d47239 | 531 | |
93124ef4 DM |
532 | # Note: $scfg->{pool} can include dataset <pool>/<dataset> |
533 | my $pool = $scfg->{pool}; | |
534 | $pool =~ s!/.*$!!; | |
535 | ||
e2e63801 FG |
536 | my @param = ('-o', 'name', '-H', "$pool"); |
537 | my $res; | |
538 | eval { | |
44257d2e | 539 | $res = $class->zfs_request($scfg, undef, 'zpool_list', @param); |
e2e63801 FG |
540 | }; |
541 | ||
542 | if ($@ || !defined($res) || $res !~ $pool) { | |
543 | eval { | |
544 | @param = ('-d', '/dev/disk/by-id/', "$pool"); | |
44257d2e | 545 | $class->zfs_request($scfg, undef, 'zpool_import', @param); |
e2e63801 FG |
546 | }; |
547 | die "could not activate storage '$storeid', $@\n" if $@; | |
86d47239 | 548 | } |
0a3d992f DM |
549 | return 1; |
550 | } | |
551 | ||
552 | sub deactivate_storage { | |
553 | my ($class, $storeid, $scfg, $cache) = @_; | |
554 | return 1; | |
555 | } | |
556 | ||
d4c63dc1 | 557 | sub activate_volume { |
02e797b8 | 558 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
d4c63dc1 WL |
559 | return 1; |
560 | } | |
561 | ||
562 | sub deactivate_volume { | |
02e797b8 | 563 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
d4c63dc1 WL |
564 | return 1; |
565 | } | |
5bb8e010 | 566 | |
d3a282e8 WL |
567 | sub clone_image { |
568 | my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_; | |
569 | ||
570 | $snap ||= '__base__'; | |
571 | ||
55525ad2 | 572 | my ($vtype, $basename, $basevmid, undef, undef, $isBase, $format) = |
d3a282e8 WL |
573 | $class->parse_volname($volname); |
574 | ||
575 | die "clone_image only works on base images\n" if !$isBase; | |
576 | ||
55525ad2 | 577 | my $name = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $format); |
d3a282e8 | 578 | |
851658c3 | 579 | if ($format eq 'subvol') { |
44257d2e | 580 | my $size = $class->zfs_request($scfg, undef, 'list', '-H', '-o', 'refquota', "$scfg->{pool}/$basename"); |
851658c3 | 581 | chomp($size); |
44257d2e | 582 | $class->zfs_request($scfg, undef, 'clone', "$scfg->{pool}/$basename\@$snap", "$scfg->{pool}/$name", '-o', "refquota=$size"); |
851658c3 | 583 | } else { |
44257d2e | 584 | $class->zfs_request($scfg, undef, 'clone', "$scfg->{pool}/$basename\@$snap", "$scfg->{pool}/$name"); |
851658c3 | 585 | } |
d3a282e8 | 586 | |
851658c3 | 587 | return "$basename/$name"; |
d3a282e8 WL |
588 | } |
589 | ||
590 | sub create_base { | |
591 | my ($class, $storeid, $scfg, $volname) = @_; | |
592 | ||
593 | my $snap = '__base__'; | |
594 | ||
851658c3 | 595 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) = |
d3a282e8 WL |
596 | $class->parse_volname($volname); |
597 | ||
598 | die "create_base not possible with base image\n" if $isBase; | |
599 | ||
600 | my $newname = $name; | |
851658c3 WL |
601 | if ( $format eq 'subvol' ) { |
602 | $newname =~ s/^subvol-/basevol-/; | |
603 | } else { | |
604 | $newname =~ s/^vm-/base-/; | |
605 | } | |
d3a282e8 WL |
606 | my $newvolname = $basename ? "$basename/$newname" : "$newname"; |
607 | ||
44257d2e | 608 | $class->zfs_request($scfg, undef, 'rename', "$scfg->{pool}/$name", "$scfg->{pool}/$newname"); |
d3a282e8 WL |
609 | |
610 | my $running = undef; #fixme : is create_base always offline ? | |
611 | ||
612 | $class->volume_snapshot($scfg, $storeid, $newname, $snap, $running); | |
613 | ||
614 | return $newvolname; | |
615 | } | |
616 | ||
a4034b9f WL |
617 | sub volume_resize { |
618 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
619 | ||
79f2b938 DM |
620 | my $new_size = int($size/1024); |
621 | ||
851658c3 | 622 | my (undef, $vname, undef, undef, undef, undef, $format) = |
79f2b938 DM |
623 | $class->parse_volname($volname); |
624 | ||
625 | my $attr = $format eq 'subvol' ? 'refquota' : 'volsize'; | |
a4034b9f | 626 | |
44257d2e | 627 | $class->zfs_request($scfg, undef, 'set', "$attr=${new_size}k", "$scfg->{pool}/$vname"); |
a4034b9f WL |
628 | |
629 | return $new_size; | |
630 | } | |
631 | ||
7118dd91 DM |
632 | sub storage_can_replicate { |
633 | my ($class, $scfg, $storeid, $format) = @_; | |
634 | ||
635 | return 1 if $format eq 'raw' || $format eq 'subvol'; | |
636 | ||
637 | return 0; | |
638 | } | |
639 | ||
2b40ffae WL |
640 | sub volume_has_feature { |
641 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
642 | ||
643 | my $features = { | |
644 | snapshot => { current => 1, snap => 1}, | |
645 | clone => { base => 1}, | |
646 | template => { current => 1}, | |
647 | copy => { base => 1, current => 1}, | |
baafddbd | 648 | sparseinit => { base => 1, current => 1}, |
f189504c | 649 | replicate => { base => 1, current => 1}, |
2b40ffae WL |
650 | }; |
651 | ||
652 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
653 | $class->parse_volname($volname); | |
654 | ||
655 | my $key = undef; | |
656 | ||
657 | if ($snapname) { | |
658 | $key = 'snap'; | |
659 | } else { | |
660 | $key = $isBase ? 'base' : 'current'; | |
661 | } | |
662 | ||
663 | return 1 if $features->{$feature}->{$key}; | |
664 | ||
665 | return undef; | |
666 | } | |
667 | ||
47f37b53 WB |
668 | sub volume_export { |
669 | my ($class, $scfg, $storeid, $fh, $volname, $format, $snapshot, $base_snapshot, $with_snapshots) = @_; | |
670 | ||
671 | die "unsupported export stream format for $class: $format\n" | |
672 | if $format ne 'zfs'; | |
673 | ||
674 | die "$class storage can only export snapshots\n" | |
675 | if !defined($snapshot); | |
676 | ||
677 | my $fd = fileno($fh); | |
678 | die "internal error: invalid file handle for volume_export\n" | |
679 | if !defined($fd); | |
680 | $fd = ">&$fd"; | |
681 | ||
682 | # For zfs we always create a replication stream (-R) which means the remote | |
683 | # side will always delete non-existing source snapshots. This should work | |
684 | # for all our use cases. | |
685 | my $cmd = ['zfs', 'send', '-Rpv']; | |
686 | if (defined($base_snapshot)) { | |
687 | my $arg = $with_snapshots ? '-I' : '-i'; | |
688 | push @$cmd, $arg, $base_snapshot; | |
689 | } | |
690 | push @$cmd, '--', "$scfg->{pool}/$volname\@$snapshot"; | |
691 | ||
692 | run_command($cmd, output => $fd); | |
693 | ||
694 | return; | |
695 | } | |
696 | ||
d390328b WB |
697 | sub volume_export_formats { |
698 | my ($class, $scfg, $storeid, $volname, $snapshot, $base_snapshot, $with_snapshots) = @_; | |
699 | ||
700 | my @formats = ('zfs'); | |
701 | # TODOs: | |
702 | # push @formats, 'fies' if $volname !~ /^(?:basevol|subvol)-/; | |
703 | # push @formats, 'raw' if !$base_snapshot && !$with_snapshots; | |
704 | return @formats; | |
705 | } | |
706 | ||
47f37b53 WB |
707 | sub volume_import { |
708 | my ($class, $scfg, $storeid, $fh, $volname, $format, $base_snapshot, $with_snapshots) = @_; | |
709 | ||
710 | die "unsupported import stream format for $class: $format\n" | |
711 | if $format ne 'zfs'; | |
712 | ||
713 | my $fd = fileno($fh); | |
714 | die "internal error: invalid file handle for volume_import\n" | |
715 | if !defined($fd); | |
716 | ||
717 | my $zfspath = "$scfg->{pool}/$volname"; | |
718 | my $suffix = defined($base_snapshot) ? "\@$base_snapshot" : ''; | |
719 | my $exists = 0 == run_command(['zfs', 'get', '-H', 'name', $zfspath.$suffix], | |
720 | noerr => 1, errfunc => sub {}); | |
721 | if (defined($base_snapshot)) { | |
722 | die "base snapshot '$zfspath\@$base_snapshot' doesn't exist\n" if !$exists; | |
723 | } else { | |
724 | die "volume '$zfspath' already exists\n" if $exists; | |
725 | } | |
726 | ||
727 | eval { run_command(['zfs', 'recv', '-F', '--', $zfspath], input => "<&$fd") }; | |
728 | if (my $err = $@) { | |
729 | if (defined($base_snapshot)) { | |
730 | eval { run_command(['zfs', 'rollback', '-r', '--', "$zfspath\@$base_snapshot"]) }; | |
731 | } else { | |
732 | eval { run_command(['zfs', 'destroy', '-r', '--', $zfspath]) }; | |
733 | } | |
734 | die $err; | |
735 | } | |
736 | ||
737 | return; | |
738 | } | |
739 | ||
d390328b WB |
740 | sub volume_import_formats { |
741 | my ($class, $scfg, $storeid, $volname, $base_snapshot, $with_snapshots) = @_; | |
742 | ||
743 | return $class->volume_export_formats($scfg, $storeid, $volname, undef, $base_snapshot, $with_snapshots); | |
744 | } | |
745 | ||
5bb8e010 | 746 | 1; |