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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, $vtype); | |
164 | } | |
165 | ||
7730694e | 166 | sub zfs_request { |
c4bb4a3d | 167 | my ($class, $scfg, $ip, $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; | |
4bd0b38f WL |
183 | if ($ip) { |
184 | $ip = "[$ip]" if Net::IP::ip_is_ipv6($ip); | |
185 | unshift @$cmd, 'ssh', '-o', 'BatchMode=yes', "root\@${ip}", '--'; | |
186 | } | |
7730694e DM |
187 | my $msg = ''; |
188 | ||
189 | my $output = sub { | |
190 | my $line = shift; | |
191 | $msg .= "$line\n"; | |
192 | }; | |
193 | ||
72bdeea1 FG |
194 | $timeout = $default_timeout if !$timeout; |
195 | ||
1f390a30 | 196 | run_command($cmd, errmsg => "zfs error", outfunc => $output, timeout => $timeout); |
7730694e DM |
197 | |
198 | return $msg; | |
199 | } | |
200 | ||
b3ba95e4 WL |
201 | sub alloc_image { |
202 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
203 | ||
1ccae449 DM |
204 | my $volname = $name; |
205 | ||
206 | if ($fmt eq 'raw') { | |
b3ba95e4 | 207 | |
1ccae449 DM |
208 | die "illegal name '$volname' - sould be 'vm-$vmid-*'\n" |
209 | if $volname && $volname !~ m/^vm-$vmid-/; | |
55525ad2 | 210 | $volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt) |
1ccae449 | 211 | if !$volname; |
b3ba95e4 | 212 | |
1ccae449 DM |
213 | $class->zfs_create_zvol($scfg, $volname, $size); |
214 | my $devname = "/dev/zvol/$scfg->{pool}/$volname"; | |
82e08809 | 215 | |
1ccae449 | 216 | run_command("udevadm trigger --subsystem-match block"); |
602eacfe | 217 | system('udevadm', 'settle', '--timeout', '10', "--exit-if-exists=${devname}"); |
76fd7dc7 | 218 | |
1ccae449 | 219 | } elsif ( $fmt eq 'subvol') { |
55525ad2 DM |
220 | |
221 | die "illegal name '$volname' - sould be 'subvol-$vmid-*'\n" | |
222 | if $volname && $volname !~ m/^subvol-$vmid-/; | |
223 | $volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt) | |
224 | if !$volname; | |
225 | ||
1ccae449 DM |
226 | die "illegal name '$volname' - sould be 'subvol-$vmid-*'\n" |
227 | if $volname !~ m/^subvol-$vmid-/; | |
76fd7dc7 | 228 | |
1ccae449 DM |
229 | $class->zfs_create_subvol($scfg, $volname, $size); |
230 | ||
231 | } else { | |
232 | die "unsupported format '$fmt'"; | |
233 | } | |
b3ba95e4 | 234 | |
82e08809 | 235 | return $volname; |
b3ba95e4 WL |
236 | } |
237 | ||
e9565df5 WL |
238 | sub free_image { |
239 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; | |
240 | ||
241 | my (undef, $name, undef) = $class->parse_volname($volname); | |
242 | ||
243 | $class->zfs_delete_zvol($scfg, $name); | |
244 | ||
245 | return undef; | |
246 | } | |
247 | ||
ca04180f WL |
248 | sub list_images { |
249 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
250 | ||
251 | $cache->{zfs} = $class->zfs_list_zvol($scfg) if !$cache->{zfs}; | |
252 | my $zfspool = $scfg->{pool}; | |
253 | my $res = []; | |
254 | ||
255 | if (my $dat = $cache->{zfs}->{$zfspool}) { | |
256 | ||
257 | foreach my $image (keys %$dat) { | |
258 | ||
1b83c3d9 | 259 | my $info = $dat->{$image}; |
ca04180f | 260 | |
1b83c3d9 FG |
261 | my $volname = $info->{name}; |
262 | my $parent = $info->{parent}; | |
263 | my $owner = $info->{vmid}; | |
264 | ||
265 | if ($parent && $parent =~ m/^(\S+)\@__base__$/) { | |
ca04180f | 266 | my ($basename) = ($1); |
1b83c3d9 | 267 | $info->{volid} = "$storeid:$basename/$volname"; |
ca04180f | 268 | } else { |
1b83c3d9 | 269 | $info->{volid} = "$storeid:$volname"; |
ca04180f WL |
270 | } |
271 | ||
ca04180f | 272 | if ($vollist) { |
1b83c3d9 | 273 | my $found = grep { $_ eq $info->{volid} } @$vollist; |
ca04180f WL |
274 | next if !$found; |
275 | } else { | |
276 | next if defined ($vmid) && ($owner ne $vmid); | |
277 | } | |
278 | ||
ca04180f WL |
279 | push @$res, $info; |
280 | } | |
281 | } | |
ca04180f WL |
282 | return $res; |
283 | } | |
284 | ||
7730694e DM |
285 | sub zfs_get_pool_stats { |
286 | my ($class, $scfg) = @_; | |
287 | ||
288 | my $available = 0; | |
289 | my $used = 0; | |
290 | ||
c4bb4a3d | 291 | my $text = $class->zfs_request($scfg, undef, undef, 'get', '-o', 'value', '-Hp', |
7730694e DM |
292 | 'available,used', $scfg->{pool}); |
293 | ||
294 | my @lines = split /\n/, $text; | |
295 | ||
296 | if($lines[0] =~ /^(\d+)$/) { | |
297 | $available = $1; | |
298 | } | |
299 | ||
300 | if($lines[1] =~ /^(\d+)$/) { | |
301 | $used = $1; | |
302 | } | |
303 | ||
304 | return ($available, $used); | |
305 | } | |
306 | ||
7730694e DM |
307 | sub zfs_create_zvol { |
308 | my ($class, $scfg, $zvol, $size) = @_; | |
309 | ||
310 | my $cmd = ['create']; | |
311 | ||
312 | push @$cmd, '-s' if $scfg->{sparse}; | |
313 | ||
314 | push @$cmd, '-b', $scfg->{blocksize} if $scfg->{blocksize}; | |
315 | ||
316 | push @$cmd, '-V', "${size}k", "$scfg->{pool}/$zvol"; | |
317 | ||
c4bb4a3d | 318 | $class->zfs_request($scfg, undef, undef, @$cmd); |
7730694e DM |
319 | } |
320 | ||
1ccae449 DM |
321 | sub zfs_create_subvol { |
322 | my ($class, $scfg, $volname, $size) = @_; | |
323 | ||
324 | my $dataset = "$scfg->{pool}/$volname"; | |
325 | ||
efaf4017 DM |
326 | my $cmd = ['create', '-o', 'acltype=posixacl', '-o', 'xattr=sa', |
327 | '-o', "refquota=${size}k", $dataset]; | |
1ccae449 | 328 | |
c4bb4a3d | 329 | $class->zfs_request($scfg, undef, undef, @$cmd); |
1ccae449 DM |
330 | } |
331 | ||
7730694e DM |
332 | sub zfs_delete_zvol { |
333 | my ($class, $scfg, $zvol) = @_; | |
334 | ||
1f390a30 WL |
335 | my $err; |
336 | ||
337 | for (my $i = 0; $i < 6; $i++) { | |
338 | ||
c4bb4a3d | 339 | eval { $class->zfs_request($scfg, undef, undef, 'destroy', '-r', "$scfg->{pool}/$zvol"); }; |
1f390a30 WL |
340 | if ($err = $@) { |
341 | if ($err =~ m/^zfs error:(.*): dataset is busy.*/) { | |
342 | sleep(1); | |
27ff0e99 WL |
343 | } elsif ($err =~ m/^zfs error:.*: dataset does not exist.*$/) { |
344 | $err = undef; | |
345 | last; | |
1f390a30 WL |
346 | } else { |
347 | die $err; | |
348 | } | |
349 | } else { | |
350 | last; | |
351 | } | |
352 | } | |
353 | ||
354 | die $err if $err; | |
7730694e DM |
355 | } |
356 | ||
357 | sub zfs_list_zvol { | |
358 | my ($class, $scfg) = @_; | |
359 | ||
c4bb4a3d | 360 | my $text = $class->zfs_request($scfg, undef, 10, 'list', '-o', 'name,volsize,origin,type,refquota', '-t', 'volume,filesystem', '-Hr'); |
7730694e DM |
361 | my $zvols = zfs_parse_zvol_list($text); |
362 | return undef if !$zvols; | |
363 | ||
364 | my $list = (); | |
365 | foreach my $zvol (@$zvols) { | |
1ccae449 DM |
366 | my $pool = $zvol->{pool}; |
367 | my $name = $zvol->{name}; | |
7730694e DM |
368 | my $parent = $zvol->{origin}; |
369 | if($zvol->{origin} && $zvol->{origin} =~ m/^$scfg->{pool}\/(\S+)$/){ | |
370 | $parent = $1; | |
371 | } | |
372 | ||
1ccae449 DM |
373 | $list->{$pool}->{$name} = { |
374 | name => $name, | |
7730694e DM |
375 | size => $zvol->{size}, |
376 | parent => $parent, | |
1ccae449 DM |
377 | format => $zvol->{format}, |
378 | vmid => $zvol->{owner}, | |
7730694e DM |
379 | }; |
380 | } | |
381 | ||
382 | return $list; | |
383 | } | |
384 | ||
385 | sub zfs_find_free_diskname { | |
55525ad2 | 386 | my ($class, $storeid, $scfg, $vmid, $format) = @_; |
7730694e DM |
387 | |
388 | my $name = undef; | |
389 | my $volumes = $class->zfs_list_zvol($scfg); | |
390 | ||
391 | my $disk_ids = {}; | |
392 | my $dat = $volumes->{$scfg->{pool}}; | |
393 | ||
394 | foreach my $image (keys %$dat) { | |
395 | my $volname = $dat->{$image}->{name}; | |
851658c3 | 396 | if ($volname =~ m/(vm|base|subvol|basevol)-$vmid-disk-(\d+)/){ |
7730694e DM |
397 | $disk_ids->{$2} = 1; |
398 | } | |
399 | } | |
400 | ||
401 | for (my $i = 1; $i < 100; $i++) { | |
402 | if (!$disk_ids->{$i}) { | |
55525ad2 | 403 | return $format eq 'subvol' ? "subvol-$vmid-disk-$i" : "vm-$vmid-disk-$i"; |
7730694e DM |
404 | } |
405 | } | |
406 | ||
407 | die "unable to allocate an image name for VM $vmid in storage '$storeid'\n"; | |
408 | } | |
409 | ||
2fc59177 DM |
410 | sub zfs_get_latest_snapshot { |
411 | my ($class, $scfg, $volname) = @_; | |
412 | ||
851658c3 WL |
413 | my $vname = ($class->parse_volname($volname))[1]; |
414 | ||
2fc59177 DM |
415 | # abort rollback if snapshot is not the latest |
416 | my @params = ('-t', 'snapshot', '-o', 'name', '-s', 'creation'); | |
c4bb4a3d | 417 | my $text = $class->zfs_request($scfg, undef, undef, 'list', @params); |
2fc59177 DM |
418 | my @snapshots = split(/\n/, $text); |
419 | ||
420 | my $recentsnap; | |
421 | foreach (@snapshots) { | |
851658c3 | 422 | if (/$scfg->{pool}\/$vname/) { |
2fc59177 DM |
423 | s/^.*@//; |
424 | $recentsnap = $_; | |
425 | } | |
426 | } | |
427 | ||
428 | return $recentsnap; | |
429 | } | |
430 | ||
b5e5f7e3 DM |
431 | sub status { |
432 | my ($class, $storeid, $scfg, $cache) = @_; | |
433 | ||
434 | my $total = 0; | |
435 | my $free = 0; | |
436 | my $used = 0; | |
437 | my $active = 0; | |
438 | ||
439 | eval { | |
440 | ($free, $used) = $class->zfs_get_pool_stats($scfg); | |
441 | $active = 1; | |
442 | $total = $free + $used; | |
443 | }; | |
444 | warn $@ if $@; | |
445 | ||
446 | return ($total, $free, $used, $active); | |
447 | } | |
448 | ||
449 | sub volume_size_info { | |
450 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
451 | ||
851658c3 | 452 | my (undef, $vname, undef, undef, undef, undef, $format) = |
79f2b938 DM |
453 | $class->parse_volname($volname); |
454 | ||
455 | my $attr = $format eq 'subvol' ? 'refquota' : 'volsize'; | |
c4bb4a3d | 456 | my $text = $class->zfs_request($scfg, undef, undef, 'get', '-Hp', $attr, "$scfg->{pool}/$vname"); |
79f2b938 DM |
457 | if ($text =~ /\s$attr\s(\d+)\s/) { |
458 | return $1; | |
459 | } | |
460 | ||
461 | die "Could not get zfs volume size\n"; | |
b5e5f7e3 DM |
462 | } |
463 | ||
464 | sub volume_snapshot { | |
f5640e7d | 465 | my ($class, $scfg, $storeid, $volname, $snap) = @_; |
b5e5f7e3 | 466 | |
851658c3 WL |
467 | my $vname = ($class->parse_volname($volname))[1]; |
468 | ||
c4bb4a3d | 469 | $class->zfs_request($scfg, undef, undef, 'snapshot', "$scfg->{pool}/$vname\@$snap"); |
b5e5f7e3 DM |
470 | } |
471 | ||
b76774e5 WL |
472 | sub volume_send { |
473 | my ($class, $scfg, $storeid, $volname, $ip, $snap, | |
474 | $incremental_snap, $verbose, $limit, $target_path) = @_; | |
475 | ||
476 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
477 | ||
478 | my $zpath = "$scfg->{pool}/$name"; | |
479 | ||
480 | die "$vtype is not allowed in ZFSPool!" if ($vtype ne "images"); | |
481 | ||
482 | my $cmdsend = []; | |
483 | my $cmdlimit = []; | |
484 | ||
485 | push @$cmdsend, 'zfs', 'send', '-R'; | |
486 | push @$cmdsend, '-v' if defined($verbose); | |
487 | ||
488 | if( defined($incremental_snap)) { | |
489 | push @$cmdsend, '-I', "$zpath\@${incremental_snap}"; | |
490 | } | |
491 | ||
492 | push @$cmdsend, '--', "$zpath\@${snap}"; | |
493 | ||
494 | # limit in kByte/s | |
495 | if ($limit){ | |
496 | my $bwl = $limit * 1024; | |
497 | push @$cmdlimit, 'cstream', '-t', $bwl; | |
498 | } | |
499 | ||
500 | my $cmdrecv = []; | |
501 | ||
aefe82ea WL |
502 | if ($ip) { |
503 | $ip = "[$ip]" if Net::IP::ip_is_ipv6($ip); | |
504 | push @$cmdrecv, 'ssh', '-o', 'BatchMode=yes', "root\@${ip}", '--'; | |
505 | } | |
506 | ||
b76774e5 WL |
507 | push @$cmdrecv, 'zfs', 'recv', '-F', '--'; |
508 | ||
509 | $zpath = $target_path if defined($target_path); | |
510 | push @$cmdrecv, $zpath; | |
511 | ||
b76774e5 WL |
512 | if ($limit) { |
513 | eval { run_command([$cmdsend, $cmdlimit, $cmdrecv]) }; | |
514 | } else { | |
515 | eval { run_command([$cmdsend, $cmdrecv]) }; | |
516 | } | |
517 | ||
518 | if (my $err = $@) { | |
519 | die $err; | |
520 | } | |
521 | } | |
522 | ||
4bd0b38f WL |
523 | sub volume_snapshot_delete_remote { |
524 | my ($class, $scfg, $storeid, $volname, $snap, $ip) = @_; | |
525 | ||
526 | my $vname = ($class->parse_volname($volname))[1]; | |
527 | $class->zfs_request($scfg, $ip, undef, 'destroy', "$scfg->{pool}/$vname\@$snap"); | |
528 | } | |
529 | ||
b5e5f7e3 DM |
530 | sub volume_snapshot_delete { |
531 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
532 | ||
851658c3 WL |
533 | my $vname = ($class->parse_volname($volname))[1]; |
534 | ||
535 | $class->deactivate_volume($storeid, $scfg, $vname, $snap, {}); | |
4bd0b38f | 536 | |
c4bb4a3d | 537 | $class->zfs_request($scfg, undef, undef, 'destroy', "$scfg->{pool}/$vname\@$snap"); |
b5e5f7e3 DM |
538 | } |
539 | ||
2b40ffae WL |
540 | sub volume_snapshot_rollback { |
541 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
542 | ||
851658c3 WL |
543 | my $vname = ($class->parse_volname($volname))[1]; |
544 | ||
c4bb4a3d | 545 | $class->zfs_request($scfg, undef, undef, 'rollback', "$scfg->{pool}/$vname\@$snap"); |
1597f1f9 WL |
546 | } |
547 | ||
548 | sub volume_rollback_is_possible { | |
549 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
550 | ||
2fc59177 | 551 | my $recentsnap = $class->zfs_get_latest_snapshot($scfg, $volname); |
2b40ffae | 552 | if ($snap ne $recentsnap) { |
1597f1f9 | 553 | die "can't rollback, more recent snapshots exist\n"; |
2b40ffae WL |
554 | } |
555 | ||
1597f1f9 | 556 | return 1; |
2b40ffae WL |
557 | } |
558 | ||
aefe82ea WL |
559 | sub volume_snapshot_list { |
560 | my ($class, $scfg, $storeid, $volname, $prefix, $ip) = @_; | |
561 | ||
562 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
563 | ||
564 | my $zpath = "$scfg->{pool}/$name"; | |
565 | ||
566 | $prefix = '' if !defined($prefix); | |
567 | my $snaps = []; | |
568 | ||
569 | my $cmd = ['zfs', 'list', '-r', '-H', '-S', 'name', '-t', 'snap', '-o', | |
570 | 'name', $zpath]; | |
571 | ||
572 | if ($ip) { | |
573 | $ip = "[$ip]" if Net::IP::ip_is_ipv6($ip); | |
574 | unshift @$cmd, 'ssh', '-o', ' BatchMode=yes', "root\@${ip}", '--'; | |
575 | } | |
576 | ||
577 | my $outfunc = sub { | |
578 | my $line = shift; | |
579 | ||
580 | if ($line =~ m/^\Q$zpath\E@(\Q$prefix\E.*)$/) { | |
581 | push @$snaps, $1; | |
582 | } | |
583 | }; | |
584 | ||
585 | eval { run_command( [$cmd], outfunc => $outfunc , errfunc => sub{}); }; | |
586 | ||
587 | # return an empty array if dataset does not exist. | |
588 | return $snaps; | |
589 | } | |
590 | ||
0a3d992f DM |
591 | sub activate_storage { |
592 | my ($class, $storeid, $scfg, $cache) = @_; | |
86d47239 | 593 | |
93124ef4 DM |
594 | # Note: $scfg->{pool} can include dataset <pool>/<dataset> |
595 | my $pool = $scfg->{pool}; | |
596 | $pool =~ s!/.*$!!; | |
597 | ||
e2e63801 FG |
598 | my @param = ('-o', 'name', '-H', "$pool"); |
599 | my $res; | |
600 | eval { | |
c4bb4a3d | 601 | $res = $class->zfs_request($scfg, undef, undef, 'zpool_list', @param); |
e2e63801 FG |
602 | }; |
603 | ||
604 | if ($@ || !defined($res) || $res !~ $pool) { | |
605 | eval { | |
606 | @param = ('-d', '/dev/disk/by-id/', "$pool"); | |
c4bb4a3d | 607 | $class->zfs_request($scfg, undef, undef, 'zpool_import', @param); |
e2e63801 FG |
608 | }; |
609 | die "could not activate storage '$storeid', $@\n" if $@; | |
86d47239 | 610 | } |
0a3d992f DM |
611 | return 1; |
612 | } | |
613 | ||
614 | sub deactivate_storage { | |
615 | my ($class, $storeid, $scfg, $cache) = @_; | |
616 | return 1; | |
617 | } | |
618 | ||
d4c63dc1 | 619 | sub activate_volume { |
02e797b8 | 620 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
d4c63dc1 WL |
621 | return 1; |
622 | } | |
623 | ||
624 | sub deactivate_volume { | |
02e797b8 | 625 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
d4c63dc1 WL |
626 | return 1; |
627 | } | |
5bb8e010 | 628 | |
d3a282e8 WL |
629 | sub clone_image { |
630 | my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_; | |
631 | ||
632 | $snap ||= '__base__'; | |
633 | ||
55525ad2 | 634 | my ($vtype, $basename, $basevmid, undef, undef, $isBase, $format) = |
d3a282e8 WL |
635 | $class->parse_volname($volname); |
636 | ||
637 | die "clone_image only works on base images\n" if !$isBase; | |
638 | ||
55525ad2 | 639 | my $name = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $format); |
d3a282e8 | 640 | |
851658c3 | 641 | if ($format eq 'subvol') { |
c4bb4a3d | 642 | my $size = $class->zfs_request($scfg, undef, undef, 'list', '-H', '-o', 'refquota', "$scfg->{pool}/$basename"); |
851658c3 | 643 | chomp($size); |
c4bb4a3d | 644 | $class->zfs_request($scfg, undef, undef, 'clone', "$scfg->{pool}/$basename\@$snap", "$scfg->{pool}/$name", '-o', "refquota=$size"); |
851658c3 | 645 | } else { |
c4bb4a3d | 646 | $class->zfs_request($scfg, undef, undef, 'clone', "$scfg->{pool}/$basename\@$snap", "$scfg->{pool}/$name"); |
851658c3 | 647 | } |
d3a282e8 | 648 | |
851658c3 | 649 | return "$basename/$name"; |
d3a282e8 WL |
650 | } |
651 | ||
652 | sub create_base { | |
653 | my ($class, $storeid, $scfg, $volname) = @_; | |
654 | ||
655 | my $snap = '__base__'; | |
656 | ||
851658c3 | 657 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) = |
d3a282e8 WL |
658 | $class->parse_volname($volname); |
659 | ||
660 | die "create_base not possible with base image\n" if $isBase; | |
661 | ||
662 | my $newname = $name; | |
851658c3 WL |
663 | if ( $format eq 'subvol' ) { |
664 | $newname =~ s/^subvol-/basevol-/; | |
665 | } else { | |
666 | $newname =~ s/^vm-/base-/; | |
667 | } | |
d3a282e8 WL |
668 | my $newvolname = $basename ? "$basename/$newname" : "$newname"; |
669 | ||
c4bb4a3d | 670 | $class->zfs_request($scfg, undef, undef, 'rename', "$scfg->{pool}/$name", "$scfg->{pool}/$newname"); |
d3a282e8 WL |
671 | |
672 | my $running = undef; #fixme : is create_base always offline ? | |
673 | ||
674 | $class->volume_snapshot($scfg, $storeid, $newname, $snap, $running); | |
675 | ||
676 | return $newvolname; | |
677 | } | |
678 | ||
a4034b9f WL |
679 | sub volume_resize { |
680 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
681 | ||
79f2b938 DM |
682 | my $new_size = int($size/1024); |
683 | ||
851658c3 | 684 | my (undef, $vname, undef, undef, undef, undef, $format) = |
79f2b938 DM |
685 | $class->parse_volname($volname); |
686 | ||
687 | my $attr = $format eq 'subvol' ? 'refquota' : 'volsize'; | |
a4034b9f | 688 | |
c4bb4a3d | 689 | $class->zfs_request($scfg, undef, undef, 'set', "$attr=${new_size}k", "$scfg->{pool}/$vname"); |
a4034b9f WL |
690 | |
691 | return $new_size; | |
692 | } | |
693 | ||
2b40ffae WL |
694 | sub volume_has_feature { |
695 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
696 | ||
697 | my $features = { | |
698 | snapshot => { current => 1, snap => 1}, | |
699 | clone => { base => 1}, | |
700 | template => { current => 1}, | |
701 | copy => { base => 1, current => 1}, | |
baafddbd | 702 | sparseinit => { base => 1, current => 1}, |
f189504c | 703 | replicate => { base => 1, current => 1}, |
2b40ffae WL |
704 | }; |
705 | ||
706 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
707 | $class->parse_volname($volname); | |
708 | ||
709 | my $key = undef; | |
710 | ||
711 | if ($snapname) { | |
712 | $key = 'snap'; | |
713 | } else { | |
714 | $key = $isBase ? 'base' : 'current'; | |
715 | } | |
716 | ||
717 | return 1 if $features->{$feature}->{$key}; | |
718 | ||
719 | return undef; | |
720 | } | |
721 | ||
5bb8e010 | 722 | 1; |