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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; | |
e3eb131e | 5 | |
5bb8e010 | 6 | use IO::File; |
e3eb131e | 7 | use Net::IP; |
5bb8e010 | 8 | use POSIX; |
e3eb131e | 9 | |
21430e50 | 10 | use PVE::RPCEnvironment; |
e3eb131e TL |
11 | use PVE::Storage::Plugin; |
12 | use PVE::Tools qw(run_command); | |
5bb8e010 DM |
13 | |
14 | use base qw(PVE::Storage::Plugin); | |
15 | ||
5bb8e010 | 16 | sub type { |
85fda4dd | 17 | return 'zfspool'; |
5bb8e010 DM |
18 | } |
19 | ||
20 | sub plugindata { | |
21 | return { | |
1ccae449 DM |
22 | content => [ {images => 1, rootdir => 1}, {images => 1 , rootdir => 1}], |
23 | format => [ { raw => 1, subvol => 1 } , 'raw' ], | |
5bb8e010 | 24 | }; |
85fda4dd | 25 | } |
5bb8e010 | 26 | |
7730694e DM |
27 | sub properties { |
28 | return { | |
29 | blocksize => { | |
30 | description => "block size", | |
31 | type => 'string', | |
32 | }, | |
33 | sparse => { | |
34 | description => "use sparse volumes", | |
35 | type => 'boolean', | |
36 | }, | |
dcefd9dd FE |
37 | mountpoint => { |
38 | description => "mount point", | |
39 | type => 'string', format => 'pve-storage-path', | |
40 | }, | |
7730694e DM |
41 | }; |
42 | } | |
43 | ||
5bb8e010 DM |
44 | sub options { |
45 | return { | |
7730694e DM |
46 | pool => { fixed => 1 }, |
47 | blocksize => { optional => 1 }, | |
48 | sparse => { optional => 1 }, | |
49 | nodes => { optional => 1 }, | |
5bb8e010 | 50 | disable => { optional => 1 }, |
5bb8e010 | 51 | content => { optional => 1 }, |
9edb99a5 | 52 | bwlimit => { optional => 1 }, |
dcefd9dd | 53 | mountpoint => { optional => 1 }, |
5bb8e010 DM |
54 | }; |
55 | } | |
56 | ||
7730694e DM |
57 | # static zfs helper methods |
58 | ||
7730694e DM |
59 | sub zfs_parse_zvol_list { |
60 | my ($text) = @_; | |
61 | ||
62 | my $list = (); | |
63 | ||
64 | return $list if !$text; | |
65 | ||
66 | my @lines = split /\n/, $text; | |
67 | foreach my $line (@lines) { | |
1ccae449 DM |
68 | my ($dataset, $size, $origin, $type, $refquota) = split(/\s+/, $line); |
69 | next if !($type eq 'volume' || $type eq 'filesystem'); | |
70 | ||
71 | my $zvol = {}; | |
72 | my @parts = split /\//, $dataset; | |
dec97937 | 73 | next if scalar(@parts) < 2; # we need pool/name |
1ccae449 DM |
74 | my $name = pop @parts; |
75 | my $pool = join('/', @parts); | |
76 | ||
851658c3 | 77 | next unless $name =~ m!^(vm|base|subvol|basevol)-(\d+)-(\S+)$!; |
1ccae449 DM |
78 | $zvol->{owner} = $2; |
79 | ||
1ccae449 DM |
80 | $zvol->{pool} = $pool; |
81 | $zvol->{name} = $name; | |
82 | if ($type eq 'filesystem') { | |
83 | if ($refquota eq 'none') { | |
84 | $zvol->{size} = 0; | |
85 | } else { | |
3881e680 | 86 | $zvol->{size} = $refquota + 0; |
7730694e | 87 | } |
1ccae449 DM |
88 | $zvol->{format} = 'subvol'; |
89 | } else { | |
3881e680 | 90 | $zvol->{size} = $size + 0; |
1ccae449 | 91 | $zvol->{format} = 'raw'; |
7730694e | 92 | } |
1ccae449 DM |
93 | if ($origin !~ /^-$/) { |
94 | $zvol->{origin} = $origin; | |
95 | } | |
96 | push @$list, $zvol; | |
7730694e DM |
97 | } |
98 | ||
99 | return $list; | |
100 | } | |
101 | ||
cc80ed9c WL |
102 | sub parse_volname { |
103 | my ($class, $volname) = @_; | |
104 | ||
8e5b96ca DM |
105 | if ($volname =~ m/^(((base|basevol)-(\d+)-\S+)\/)?((base|basevol|vm|subvol)-(\d+)-\S+)$/) { |
106 | my $format = ($6 eq 'subvol' || $6 eq 'basevol') ? 'subvol' : 'raw'; | |
107 | my $isBase = ($6 eq 'base' || $6 eq 'basevol'); | |
108 | return ('images', $5, $7, $2, $4, $isBase, $format); | |
cc80ed9c WL |
109 | } |
110 | ||
111 | die "unable to parse zfs volume name '$volname'\n"; | |
112 | } | |
113 | ||
7730694e DM |
114 | # virtual zfs methods (subclass can overwrite them) |
115 | ||
dcefd9dd FE |
116 | sub on_add_hook { |
117 | my ($class, $storeid, $scfg, %param) = @_; | |
118 | ||
119 | my $cfg_mountpoint = $scfg->{mountpoint}; | |
dcefd9dd FE |
120 | |
121 | # ignore failure, pool might currently not be imported | |
75815bf5 FE |
122 | my $mountpoint; |
123 | eval { | |
124 | my $res = $class->zfs_get_properties($scfg, 'mountpoint', $scfg->{pool}, 1); | |
125 | $mountpoint = PVE::Storage::Plugin::verify_path($res, 1) if defined($res); | |
dcefd9dd FE |
126 | }; |
127 | ||
128 | if (defined($cfg_mountpoint)) { | |
129 | if (defined($mountpoint) && !($cfg_mountpoint =~ m|^\Q$mountpoint\E/?$|)) { | |
130 | warn "warning for $storeid - mountpoint: $cfg_mountpoint " . | |
131 | "does not match current mount point: $mountpoint\n"; | |
132 | } | |
133 | } else { | |
134 | $scfg->{mountpoint} = $mountpoint; | |
135 | } | |
136 | } | |
137 | ||
f3e632d0 | 138 | sub path { |
e67069eb | 139 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; |
f3e632d0 WL |
140 | |
141 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
142 | ||
143 | my $path = ''; | |
dcefd9dd | 144 | my $mountpoint = $scfg->{mountpoint} // "/$scfg->{pool}"; |
f3e632d0 | 145 | |
1ccae449 | 146 | if ($vtype eq "images") { |
74b724a6 | 147 | if ($name =~ m/^subvol-/ || $name =~ m/^basevol-/) { |
dcefd9dd | 148 | $path = "$mountpoint/$name"; |
1ccae449 | 149 | } else { |
851658c3 | 150 | $path = "/dev/zvol/$scfg->{pool}/$name"; |
1ccae449 | 151 | } |
f482231e | 152 | $path .= "\@$snapname" if defined($snapname); |
f3e632d0 | 153 | } else { |
85fda4dd | 154 | die "$vtype is not allowed in ZFSPool!"; |
f3e632d0 WL |
155 | } |
156 | ||
157 | return ($path, $vmid, $vtype); | |
158 | } | |
159 | ||
7730694e | 160 | sub zfs_request { |
44257d2e | 161 | my ($class, $scfg, $timeout, $method, @params) = @_; |
7730694e | 162 | |
7730694e DM |
163 | my $cmd = []; |
164 | ||
165 | if ($method eq 'zpool_list') { | |
86d47239 | 166 | push @$cmd, 'zpool', 'list'; |
e2e63801 FG |
167 | } elsif ($method eq 'zpool_import') { |
168 | push @$cmd, 'zpool', 'import'; | |
e9ab8ea3 | 169 | $timeout = 15 if !$timeout || $timeout < 15; |
7730694e DM |
170 | } else { |
171 | push @$cmd, 'zfs', $method; | |
172 | } | |
7730694e | 173 | push @$cmd, @params; |
7730694e | 174 | |
a10695b4 TL |
175 | my $msg = ''; |
176 | my $output = sub { $msg .= "$_[0]\n" }; | |
7730694e | 177 | |
a10695b4 | 178 | $timeout = PVE::RPCEnvironment->is_worker() ? 60*60 : 5 if !$timeout; |
72bdeea1 | 179 | |
1f390a30 | 180 | run_command($cmd, errmsg => "zfs error", outfunc => $output, timeout => $timeout); |
7730694e DM |
181 | |
182 | return $msg; | |
183 | } | |
184 | ||
56362cfb FG |
185 | sub zfs_wait_for_zvol_link { |
186 | my ($class, $scfg, $volname, $timeout) = @_; | |
187 | ||
188 | my $default_timeout = PVE::RPCEnvironment->is_worker() ? 60*5 : 10; | |
189 | $timeout = $default_timeout if !defined($timeout); | |
190 | ||
191 | my ($devname, undef, undef) = $class->path($scfg, $volname); | |
192 | ||
193 | for (my $i = 1; $i <= $timeout; $i++) { | |
194 | last if -b $devname; | |
195 | die "timeout: no zvol device link for '$volname' found after $timeout sec found.\n" | |
196 | if $i == $timeout; | |
197 | ||
198 | sleep(1); | |
199 | } | |
200 | } | |
201 | ||
b3ba95e4 WL |
202 | sub alloc_image { |
203 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
204 | ||
1ccae449 | 205 | my $volname = $name; |
3824ba88 | 206 | |
1ccae449 | 207 | if ($fmt eq 'raw') { |
b3ba95e4 | 208 | |
fc05c9a0 | 209 | die "illegal name '$volname' - should be 'vm-$vmid-*'\n" |
1ccae449 | 210 | if $volname && $volname !~ m/^vm-$vmid-/; |
a44c0147 | 211 | $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt) |
1ccae449 | 212 | if !$volname; |
b3ba95e4 | 213 | |
1ccae449 | 214 | $class->zfs_create_zvol($scfg, $volname, $size); |
56362cfb | 215 | $class->zfs_wait_for_zvol_link($scfg, $volname); |
82e08809 | 216 | |
1ccae449 | 217 | } elsif ( $fmt eq 'subvol') { |
55525ad2 | 218 | |
fc05c9a0 | 219 | die "illegal name '$volname' - should be 'subvol-$vmid-*'\n" |
55525ad2 | 220 | if $volname && $volname !~ m/^subvol-$vmid-/; |
a44c0147 | 221 | $volname = $class->find_free_diskname($storeid, $scfg, $vmid, $fmt) |
55525ad2 DM |
222 | if !$volname; |
223 | ||
fc05c9a0 | 224 | die "illegal name '$volname' - should be 'subvol-$vmid-*'\n" |
1ccae449 | 225 | if $volname !~ m/^subvol-$vmid-/; |
76fd7dc7 | 226 | |
3824ba88 FE |
227 | $class->zfs_create_subvol($scfg, $volname, $size); |
228 | ||
1ccae449 DM |
229 | } else { |
230 | die "unsupported format '$fmt'"; | |
231 | } | |
b3ba95e4 | 232 | |
82e08809 | 233 | return $volname; |
b3ba95e4 WL |
234 | } |
235 | ||
e9565df5 WL |
236 | sub free_image { |
237 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; | |
238 | ||
239 | my (undef, $name, undef) = $class->parse_volname($volname); | |
240 | ||
241 | $class->zfs_delete_zvol($scfg, $name); | |
242 | ||
243 | return undef; | |
244 | } | |
245 | ||
ca04180f WL |
246 | sub list_images { |
247 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
248 | ||
249 | $cache->{zfs} = $class->zfs_list_zvol($scfg) if !$cache->{zfs}; | |
250 | my $zfspool = $scfg->{pool}; | |
251 | my $res = []; | |
252 | ||
253 | if (my $dat = $cache->{zfs}->{$zfspool}) { | |
254 | ||
255 | foreach my $image (keys %$dat) { | |
256 | ||
1b83c3d9 | 257 | my $info = $dat->{$image}; |
ca04180f | 258 | |
1b83c3d9 FG |
259 | my $volname = $info->{name}; |
260 | my $parent = $info->{parent}; | |
261 | my $owner = $info->{vmid}; | |
262 | ||
263 | if ($parent && $parent =~ m/^(\S+)\@__base__$/) { | |
ca04180f | 264 | my ($basename) = ($1); |
1b83c3d9 | 265 | $info->{volid} = "$storeid:$basename/$volname"; |
ca04180f | 266 | } else { |
1b83c3d9 | 267 | $info->{volid} = "$storeid:$volname"; |
ca04180f WL |
268 | } |
269 | ||
ca04180f | 270 | if ($vollist) { |
1b83c3d9 | 271 | my $found = grep { $_ eq $info->{volid} } @$vollist; |
ca04180f WL |
272 | next if !$found; |
273 | } else { | |
274 | next if defined ($vmid) && ($owner ne $vmid); | |
275 | } | |
276 | ||
ca04180f WL |
277 | push @$res, $info; |
278 | } | |
279 | } | |
ca04180f WL |
280 | return $res; |
281 | } | |
282 | ||
4966c886 FE |
283 | sub zfs_get_properties { |
284 | my ($class, $scfg, $properties, $dataset, $timeout) = @_; | |
285 | ||
286 | my $result = $class->zfs_request($scfg, $timeout, 'get', '-o', 'value', | |
287 | '-Hp', $properties, $dataset); | |
288 | my @values = split /\n/, $result; | |
289 | return wantarray ? @values : $values[0]; | |
290 | } | |
291 | ||
7730694e DM |
292 | sub zfs_get_pool_stats { |
293 | my ($class, $scfg) = @_; | |
294 | ||
295 | my $available = 0; | |
296 | my $used = 0; | |
297 | ||
4966c886 | 298 | my @lines = $class->zfs_get_properties($scfg, 'available,used', $scfg->{pool}); |
7730694e DM |
299 | |
300 | if($lines[0] =~ /^(\d+)$/) { | |
301 | $available = $1; | |
302 | } | |
303 | ||
304 | if($lines[1] =~ /^(\d+)$/) { | |
305 | $used = $1; | |
306 | } | |
307 | ||
308 | return ($available, $used); | |
309 | } | |
310 | ||
7730694e DM |
311 | sub zfs_create_zvol { |
312 | my ($class, $scfg, $zvol, $size) = @_; | |
cdef3abb ML |
313 | |
314 | # always align size to 1M as workaround until | |
315 | # https://github.com/zfsonlinux/zfs/issues/8541 is solved | |
316 | my $padding = (1024 - $size % 1024) % 1024; | |
317 | $size = $size + $padding; | |
318 | ||
7730694e DM |
319 | my $cmd = ['create']; |
320 | ||
321 | push @$cmd, '-s' if $scfg->{sparse}; | |
322 | ||
323 | push @$cmd, '-b', $scfg->{blocksize} if $scfg->{blocksize}; | |
324 | ||
325 | push @$cmd, '-V', "${size}k", "$scfg->{pool}/$zvol"; | |
326 | ||
44257d2e | 327 | $class->zfs_request($scfg, undef, @$cmd); |
7730694e DM |
328 | } |
329 | ||
1ccae449 DM |
330 | sub zfs_create_subvol { |
331 | my ($class, $scfg, $volname, $size) = @_; | |
332 | ||
333 | my $dataset = "$scfg->{pool}/$volname"; | |
3824ba88 | 334 | |
efaf4017 DM |
335 | my $cmd = ['create', '-o', 'acltype=posixacl', '-o', 'xattr=sa', |
336 | '-o', "refquota=${size}k", $dataset]; | |
1ccae449 | 337 | |
44257d2e | 338 | $class->zfs_request($scfg, undef, @$cmd); |
1ccae449 DM |
339 | } |
340 | ||
7730694e DM |
341 | sub zfs_delete_zvol { |
342 | my ($class, $scfg, $zvol) = @_; | |
343 | ||
1f390a30 WL |
344 | my $err; |
345 | ||
346 | for (my $i = 0; $i < 6; $i++) { | |
347 | ||
44257d2e | 348 | eval { $class->zfs_request($scfg, undef, 'destroy', '-r', "$scfg->{pool}/$zvol"); }; |
1f390a30 WL |
349 | if ($err = $@) { |
350 | if ($err =~ m/^zfs error:(.*): dataset is busy.*/) { | |
351 | sleep(1); | |
27ff0e99 WL |
352 | } elsif ($err =~ m/^zfs error:.*: dataset does not exist.*$/) { |
353 | $err = undef; | |
354 | last; | |
1f390a30 WL |
355 | } else { |
356 | die $err; | |
357 | } | |
358 | } else { | |
359 | last; | |
360 | } | |
361 | } | |
362 | ||
363 | die $err if $err; | |
7730694e DM |
364 | } |
365 | ||
366 | sub zfs_list_zvol { | |
367 | my ($class, $scfg) = @_; | |
368 | ||
d99de0f8 | 369 | my $text = $class->zfs_request($scfg, 10, 'list', '-o', 'name,volsize,origin,type,refquota', '-t', 'volume,filesystem', '-Hrp'); |
7730694e DM |
370 | my $zvols = zfs_parse_zvol_list($text); |
371 | return undef if !$zvols; | |
372 | ||
373 | my $list = (); | |
374 | foreach my $zvol (@$zvols) { | |
1ccae449 DM |
375 | my $pool = $zvol->{pool}; |
376 | my $name = $zvol->{name}; | |
7730694e DM |
377 | my $parent = $zvol->{origin}; |
378 | if($zvol->{origin} && $zvol->{origin} =~ m/^$scfg->{pool}\/(\S+)$/){ | |
379 | $parent = $1; | |
380 | } | |
381 | ||
1ccae449 DM |
382 | $list->{$pool}->{$name} = { |
383 | name => $name, | |
7730694e DM |
384 | size => $zvol->{size}, |
385 | parent => $parent, | |
1ccae449 DM |
386 | format => $zvol->{format}, |
387 | vmid => $zvol->{owner}, | |
7730694e DM |
388 | }; |
389 | } | |
390 | ||
391 | return $list; | |
392 | } | |
393 | ||
2fc59177 DM |
394 | sub zfs_get_latest_snapshot { |
395 | my ($class, $scfg, $volname) = @_; | |
396 | ||
851658c3 WL |
397 | my $vname = ($class->parse_volname($volname))[1]; |
398 | ||
2fc59177 DM |
399 | # abort rollback if snapshot is not the latest |
400 | my @params = ('-t', 'snapshot', '-o', 'name', '-s', 'creation'); | |
44257d2e | 401 | my $text = $class->zfs_request($scfg, undef, 'list', @params); |
2fc59177 DM |
402 | my @snapshots = split(/\n/, $text); |
403 | ||
404 | my $recentsnap; | |
405 | foreach (@snapshots) { | |
851658c3 | 406 | if (/$scfg->{pool}\/$vname/) { |
2fc59177 DM |
407 | s/^.*@//; |
408 | $recentsnap = $_; | |
409 | } | |
410 | } | |
411 | ||
412 | return $recentsnap; | |
413 | } | |
414 | ||
b5e5f7e3 DM |
415 | sub status { |
416 | my ($class, $storeid, $scfg, $cache) = @_; | |
417 | ||
418 | my $total = 0; | |
419 | my $free = 0; | |
420 | my $used = 0; | |
421 | my $active = 0; | |
422 | ||
423 | eval { | |
424 | ($free, $used) = $class->zfs_get_pool_stats($scfg); | |
425 | $active = 1; | |
426 | $total = $free + $used; | |
427 | }; | |
428 | warn $@ if $@; | |
429 | ||
430 | return ($total, $free, $used, $active); | |
431 | } | |
432 | ||
433 | sub volume_size_info { | |
434 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
435 | ||
851658c3 | 436 | my (undef, $vname, undef, undef, undef, undef, $format) = |
79f2b938 DM |
437 | $class->parse_volname($volname); |
438 | ||
439 | my $attr = $format eq 'subvol' ? 'refquota' : 'volsize'; | |
4966c886 FE |
440 | my $value = $class->zfs_get_properties($scfg, $attr, "$scfg->{pool}/$vname"); |
441 | if ($value =~ /^(\d+)$/) { | |
79f2b938 DM |
442 | return $1; |
443 | } | |
444 | ||
445 | die "Could not get zfs volume size\n"; | |
b5e5f7e3 DM |
446 | } |
447 | ||
448 | sub volume_snapshot { | |
f5640e7d | 449 | my ($class, $scfg, $storeid, $volname, $snap) = @_; |
b5e5f7e3 | 450 | |
851658c3 WL |
451 | my $vname = ($class->parse_volname($volname))[1]; |
452 | ||
44257d2e | 453 | $class->zfs_request($scfg, undef, 'snapshot', "$scfg->{pool}/$vname\@$snap"); |
b5e5f7e3 DM |
454 | } |
455 | ||
456 | sub volume_snapshot_delete { | |
457 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
458 | ||
851658c3 WL |
459 | my $vname = ($class->parse_volname($volname))[1]; |
460 | ||
461 | $class->deactivate_volume($storeid, $scfg, $vname, $snap, {}); | |
44257d2e | 462 | $class->zfs_request($scfg, undef, 'destroy', "$scfg->{pool}/$vname\@$snap"); |
b5e5f7e3 DM |
463 | } |
464 | ||
2b40ffae WL |
465 | sub volume_snapshot_rollback { |
466 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
467 | ||
851658c3 WL |
468 | my $vname = ($class->parse_volname($volname))[1]; |
469 | ||
44257d2e | 470 | $class->zfs_request($scfg, undef, 'rollback', "$scfg->{pool}/$vname\@$snap"); |
1597f1f9 WL |
471 | } |
472 | ||
473 | sub volume_rollback_is_possible { | |
3824ba88 FE |
474 | my ($class, $scfg, $storeid, $volname, $snap) = @_; |
475 | ||
2fc59177 | 476 | my $recentsnap = $class->zfs_get_latest_snapshot($scfg, $volname); |
c8eb0178 FG |
477 | |
478 | die "can't rollback, no snapshots exist at all\n" | |
479 | if !defined($recentsnap); | |
480 | ||
d0eaf185 FG |
481 | die "can't rollback, '$snap' is not most recent snapshot\n" |
482 | if $snap ne $recentsnap; | |
2b40ffae | 483 | |
3824ba88 | 484 | return 1; |
2b40ffae WL |
485 | } |
486 | ||
aefe82ea | 487 | sub volume_snapshot_list { |
8b622c2d | 488 | my ($class, $scfg, $storeid, $volname) = @_; |
aefe82ea WL |
489 | |
490 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
491 | ||
492 | my $zpath = "$scfg->{pool}/$name"; | |
493 | ||
aefe82ea WL |
494 | my $snaps = []; |
495 | ||
496 | my $cmd = ['zfs', 'list', '-r', '-H', '-S', 'name', '-t', 'snap', '-o', | |
497 | 'name', $zpath]; | |
498 | ||
aefe82ea WL |
499 | my $outfunc = sub { |
500 | my $line = shift; | |
501 | ||
8b622c2d | 502 | if ($line =~ m/^\Q$zpath\E@(.*)$/) { |
aefe82ea WL |
503 | push @$snaps, $1; |
504 | } | |
505 | }; | |
506 | ||
507 | eval { run_command( [$cmd], outfunc => $outfunc , errfunc => sub{}); }; | |
508 | ||
509 | # return an empty array if dataset does not exist. | |
510 | return $snaps; | |
511 | } | |
512 | ||
0a3d992f DM |
513 | sub activate_storage { |
514 | my ($class, $storeid, $scfg, $cache) = @_; | |
86d47239 | 515 | |
93124ef4 DM |
516 | # Note: $scfg->{pool} can include dataset <pool>/<dataset> |
517 | my $pool = $scfg->{pool}; | |
518 | $pool =~ s!/.*$!!; | |
519 | ||
b5c8278a TL |
520 | my $pool_imported = sub { |
521 | my @param = ('-o', 'name', '-H', "$pool"); | |
522 | my $res = eval { $class->zfs_request($scfg, undef, 'zpool_list', @param) }; | |
dc18abe0 | 523 | if ($@) { |
b5c8278a TL |
524 | warn "$@\n"; |
525 | return undef; | |
526 | } | |
527 | return defined($res) && $res =~ m/$pool/; | |
528 | }; | |
529 | ||
530 | if (!$pool_imported->()) { | |
531 | # import can only be done if not yet imported! | |
532 | my @param = ('-d', '/dev/disk/by-id/', '-o', 'cachefile=none', "$pool"); | |
533 | eval { $class->zfs_request($scfg, undef, 'zpool_import', @param) }; | |
534 | if (my $err = $@) { | |
535 | # just could've raced with another import, so recheck if it is imported | |
536 | die "could not activate storage '$storeid', $@\n" if !$pool_imported->(); | |
dc18abe0 | 537 | } |
86d47239 | 538 | } |
0a3d992f DM |
539 | return 1; |
540 | } | |
541 | ||
542 | sub deactivate_storage { | |
543 | my ($class, $storeid, $scfg, $cache) = @_; | |
544 | return 1; | |
545 | } | |
546 | ||
d4c63dc1 | 547 | sub activate_volume { |
02e797b8 | 548 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
56362cfb FG |
549 | |
550 | return 1 if defined($snapname); | |
551 | ||
3893d275 | 552 | my (undef, $dataset, undef, undef, undef, undef, $format) = $class->parse_volname($volname); |
56362cfb | 553 | |
815df2dd FE |
554 | if ($format eq 'raw') { |
555 | $class->zfs_wait_for_zvol_link($scfg, $volname); | |
556 | } elsif ($format eq 'subvol') { | |
3893d275 | 557 | my $mounted = $class->zfs_get_properties($scfg, 'mounted', "$scfg->{pool}/$dataset"); |
815df2dd | 558 | if ($mounted !~ m/^yes$/) { |
3893d275 | 559 | $class->zfs_request($scfg, undef, 'mount', "$scfg->{pool}/$dataset"); |
815df2dd FE |
560 | } |
561 | } | |
56362cfb | 562 | |
d4c63dc1 WL |
563 | return 1; |
564 | } | |
565 | ||
566 | sub deactivate_volume { | |
02e797b8 | 567 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
d4c63dc1 WL |
568 | return 1; |
569 | } | |
5bb8e010 | 570 | |
d3a282e8 WL |
571 | sub clone_image { |
572 | my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_; | |
573 | ||
574 | $snap ||= '__base__'; | |
575 | ||
55525ad2 | 576 | my ($vtype, $basename, $basevmid, undef, undef, $isBase, $format) = |
d3a282e8 WL |
577 | $class->parse_volname($volname); |
578 | ||
579 | die "clone_image only works on base images\n" if !$isBase; | |
580 | ||
a44c0147 | 581 | my $name = $class->find_free_diskname($storeid, $scfg, $vmid, $format); |
d3a282e8 | 582 | |
851658c3 | 583 | if ($format eq 'subvol') { |
e05113fb | 584 | my $size = $class->zfs_request($scfg, undef, 'list', '-Hp', '-o', 'refquota', "$scfg->{pool}/$basename"); |
851658c3 | 585 | chomp($size); |
44257d2e | 586 | $class->zfs_request($scfg, undef, 'clone', "$scfg->{pool}/$basename\@$snap", "$scfg->{pool}/$name", '-o', "refquota=$size"); |
851658c3 | 587 | } else { |
44257d2e | 588 | $class->zfs_request($scfg, undef, 'clone', "$scfg->{pool}/$basename\@$snap", "$scfg->{pool}/$name"); |
851658c3 | 589 | } |
d3a282e8 | 590 | |
851658c3 | 591 | return "$basename/$name"; |
d3a282e8 WL |
592 | } |
593 | ||
594 | sub create_base { | |
595 | my ($class, $storeid, $scfg, $volname) = @_; | |
596 | ||
597 | my $snap = '__base__'; | |
598 | ||
851658c3 | 599 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) = |
d3a282e8 WL |
600 | $class->parse_volname($volname); |
601 | ||
602 | die "create_base not possible with base image\n" if $isBase; | |
603 | ||
604 | my $newname = $name; | |
851658c3 WL |
605 | if ( $format eq 'subvol' ) { |
606 | $newname =~ s/^subvol-/basevol-/; | |
607 | } else { | |
608 | $newname =~ s/^vm-/base-/; | |
609 | } | |
d3a282e8 WL |
610 | my $newvolname = $basename ? "$basename/$newname" : "$newname"; |
611 | ||
44257d2e | 612 | $class->zfs_request($scfg, undef, 'rename', "$scfg->{pool}/$name", "$scfg->{pool}/$newname"); |
d3a282e8 WL |
613 | |
614 | my $running = undef; #fixme : is create_base always offline ? | |
615 | ||
616 | $class->volume_snapshot($scfg, $storeid, $newname, $snap, $running); | |
617 | ||
618 | return $newvolname; | |
619 | } | |
620 | ||
a4034b9f WL |
621 | sub volume_resize { |
622 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
623 | ||
79f2b938 DM |
624 | my $new_size = int($size/1024); |
625 | ||
851658c3 | 626 | my (undef, $vname, undef, undef, undef, undef, $format) = |
79f2b938 DM |
627 | $class->parse_volname($volname); |
628 | ||
629 | my $attr = $format eq 'subvol' ? 'refquota' : 'volsize'; | |
a4034b9f | 630 | |
d3e3e5d6 FE |
631 | # align size to 1M so we always have a valid multiple of the volume block size |
632 | if ($format eq 'raw') { | |
633 | my $padding = (1024 - $new_size % 1024) % 1024; | |
634 | $new_size = $new_size + $padding; | |
635 | } | |
636 | ||
44257d2e | 637 | $class->zfs_request($scfg, undef, 'set', "$attr=${new_size}k", "$scfg->{pool}/$vname"); |
a4034b9f WL |
638 | |
639 | return $new_size; | |
640 | } | |
641 | ||
7118dd91 DM |
642 | sub storage_can_replicate { |
643 | my ($class, $scfg, $storeid, $format) = @_; | |
644 | ||
645 | return 1 if $format eq 'raw' || $format eq 'subvol'; | |
646 | ||
647 | return 0; | |
648 | } | |
649 | ||
2b40ffae WL |
650 | sub volume_has_feature { |
651 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
652 | ||
653 | my $features = { | |
654 | snapshot => { current => 1, snap => 1}, | |
655 | clone => { base => 1}, | |
656 | template => { current => 1}, | |
657 | copy => { base => 1, current => 1}, | |
baafddbd | 658 | sparseinit => { base => 1, current => 1}, |
f189504c | 659 | replicate => { base => 1, current => 1}, |
2b40ffae WL |
660 | }; |
661 | ||
662 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
663 | $class->parse_volname($volname); | |
664 | ||
665 | my $key = undef; | |
666 | ||
667 | if ($snapname) { | |
668 | $key = 'snap'; | |
669 | } else { | |
670 | $key = $isBase ? 'base' : 'current'; | |
671 | } | |
672 | ||
673 | return 1 if $features->{$feature}->{$key}; | |
674 | ||
675 | return undef; | |
676 | } | |
677 | ||
47f37b53 WB |
678 | sub volume_export { |
679 | my ($class, $scfg, $storeid, $fh, $volname, $format, $snapshot, $base_snapshot, $with_snapshots) = @_; | |
680 | ||
681 | die "unsupported export stream format for $class: $format\n" | |
682 | if $format ne 'zfs'; | |
683 | ||
684 | die "$class storage can only export snapshots\n" | |
685 | if !defined($snapshot); | |
686 | ||
9a75947b WL |
687 | my $dataset = ($class->parse_volname($volname))[1]; |
688 | ||
47f37b53 WB |
689 | my $fd = fileno($fh); |
690 | die "internal error: invalid file handle for volume_export\n" | |
691 | if !defined($fd); | |
692 | $fd = ">&$fd"; | |
693 | ||
694 | # For zfs we always create a replication stream (-R) which means the remote | |
695 | # side will always delete non-existing source snapshots. This should work | |
696 | # for all our use cases. | |
697 | my $cmd = ['zfs', 'send', '-Rpv']; | |
698 | if (defined($base_snapshot)) { | |
699 | my $arg = $with_snapshots ? '-I' : '-i'; | |
700 | push @$cmd, $arg, $base_snapshot; | |
701 | } | |
9a75947b | 702 | push @$cmd, '--', "$scfg->{pool}/$dataset\@$snapshot"; |
47f37b53 WB |
703 | |
704 | run_command($cmd, output => $fd); | |
705 | ||
706 | return; | |
707 | } | |
708 | ||
d390328b WB |
709 | sub volume_export_formats { |
710 | my ($class, $scfg, $storeid, $volname, $snapshot, $base_snapshot, $with_snapshots) = @_; | |
711 | ||
712 | my @formats = ('zfs'); | |
713 | # TODOs: | |
714 | # push @formats, 'fies' if $volname !~ /^(?:basevol|subvol)-/; | |
715 | # push @formats, 'raw' if !$base_snapshot && !$with_snapshots; | |
716 | return @formats; | |
717 | } | |
718 | ||
47f37b53 | 719 | sub volume_import { |
a97d3ee4 | 720 | my ($class, $scfg, $storeid, $fh, $volname, $format, $base_snapshot, $with_snapshots, $allow_rename) = @_; |
47f37b53 WB |
721 | |
722 | die "unsupported import stream format for $class: $format\n" | |
723 | if $format ne 'zfs'; | |
724 | ||
725 | my $fd = fileno($fh); | |
726 | die "internal error: invalid file handle for volume_import\n" | |
727 | if !defined($fd); | |
728 | ||
a97d3ee4 | 729 | my (undef, $dataset, $vmid) = $class->parse_volname($volname); |
9a75947b | 730 | my $zfspath = "$scfg->{pool}/$dataset"; |
47f37b53 WB |
731 | my $suffix = defined($base_snapshot) ? "\@$base_snapshot" : ''; |
732 | my $exists = 0 == run_command(['zfs', 'get', '-H', 'name', $zfspath.$suffix], | |
0fd0a627 | 733 | noerr => 1, quiet => 1); |
47f37b53 WB |
734 | if (defined($base_snapshot)) { |
735 | die "base snapshot '$zfspath\@$base_snapshot' doesn't exist\n" if !$exists; | |
a97d3ee4 FE |
736 | } elsif ($exists) { |
737 | die "volume '$zfspath' already exists\n" if !$allow_rename; | |
738 | warn "volume '$zfspath' already exists - importing with a different name\n"; | |
739 | $dataset = $class->find_free_diskname($storeid, $scfg, $vmid, $format); | |
740 | $zfspath = "$scfg->{pool}/$dataset"; | |
47f37b53 WB |
741 | } |
742 | ||
743 | eval { run_command(['zfs', 'recv', '-F', '--', $zfspath], input => "<&$fd") }; | |
744 | if (my $err = $@) { | |
745 | if (defined($base_snapshot)) { | |
746 | eval { run_command(['zfs', 'rollback', '-r', '--', "$zfspath\@$base_snapshot"]) }; | |
747 | } else { | |
748 | eval { run_command(['zfs', 'destroy', '-r', '--', $zfspath]) }; | |
749 | } | |
750 | die $err; | |
751 | } | |
752 | ||
a97d3ee4 | 753 | return "$storeid:$dataset"; |
47f37b53 WB |
754 | } |
755 | ||
d390328b WB |
756 | sub volume_import_formats { |
757 | my ($class, $scfg, $storeid, $volname, $base_snapshot, $with_snapshots) = @_; | |
758 | ||
759 | return $class->volume_export_formats($scfg, $storeid, $volname, undef, $base_snapshot, $with_snapshots); | |
760 | } | |
761 | ||
5bb8e010 | 762 | 1; |