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Commit | Line | Data |
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4f914e6e MR |
1 | package PVE::Storage::ZFSPlugin; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use IO::File; | |
6 | use POSIX; | |
5332e6c9 | 7 | use PVE::Tools qw(run_command); |
85fda4dd | 8 | use PVE::Storage::ZFSPoolPlugin; |
21430e50 | 9 | use PVE::RPCEnvironment; |
4f914e6e | 10 | |
85fda4dd | 11 | use base qw(PVE::Storage::ZFSPoolPlugin); |
a7d56be6 MR |
12 | use PVE::Storage::LunCmd::Comstar; |
13 | use PVE::Storage::LunCmd::Istgt; | |
78a64432 | 14 | use PVE::Storage::LunCmd::Iet; |
46c6107e | 15 | use PVE::Storage::LunCmd::LIO; |
4f914e6e | 16 | |
21430e50 | 17 | |
4f914e6e MR |
18 | my @ssh_opts = ('-o', 'BatchMode=yes'); |
19 | my @ssh_cmd = ('/usr/bin/ssh', @ssh_opts); | |
3b219e80 | 20 | my $id_rsa_path = '/etc/pve/priv/zfs'; |
4f914e6e | 21 | |
a7d56be6 | 22 | my $lun_cmds = { |
3b219e80 MR |
23 | create_lu => 1, |
24 | delete_lu => 1, | |
25 | import_lu => 1, | |
26 | modify_lu => 1, | |
27 | add_view => 1, | |
28 | list_view => 1, | |
29 | list_lu => 1, | |
a7d56be6 MR |
30 | }; |
31 | ||
32 | my $zfs_unknown_scsi_provider = sub { | |
3b219e80 | 33 | my ($provider) = @_; |
a7d56be6 | 34 | |
46c6107e | 35 | die "$provider: unknown iscsi provider. Available [comstar, istgt, iet, LIO]"; |
a7d56be6 MR |
36 | }; |
37 | ||
38 | my $zfs_get_base = sub { | |
3b219e80 MR |
39 | my ($scfg) = @_; |
40 | ||
41 | if ($scfg->{iscsiprovider} eq 'comstar') { | |
42 | return PVE::Storage::LunCmd::Comstar::get_base; | |
43 | } elsif ($scfg->{iscsiprovider} eq 'istgt') { | |
44 | return PVE::Storage::LunCmd::Istgt::get_base; | |
45 | } elsif ($scfg->{iscsiprovider} eq 'iet') { | |
46 | return PVE::Storage::LunCmd::Iet::get_base; | |
46c6107e UR |
47 | } elsif ($scfg->{iscsiprovider} eq 'LIO') { |
48 | return PVE::Storage::LunCmd::LIO::get_base; | |
3b219e80 MR |
49 | } else { |
50 | $zfs_unknown_scsi_provider->($scfg->{iscsiprovider}); | |
51 | } | |
a7d56be6 MR |
52 | }; |
53 | ||
4f914e6e | 54 | sub zfs_request { |
7730694e | 55 | my ($class, $scfg, $timeout, $method, @params) = @_; |
4f914e6e | 56 | |
ef881e10 | 57 | $timeout = PVE::RPCEnvironment->is_worker() ? 60*60 : 10 |
21430e50 | 58 | if !$timeout; |
4f914e6e | 59 | |
e8004c9c DM |
60 | my $msg = ''; |
61 | ||
3b219e80 MR |
62 | if ($lun_cmds->{$method}) { |
63 | if ($scfg->{iscsiprovider} eq 'comstar') { | |
64 | $msg = PVE::Storage::LunCmd::Comstar::run_lun_command($scfg, $timeout, $method, @params); | |
65 | } elsif ($scfg->{iscsiprovider} eq 'istgt') { | |
66 | $msg = PVE::Storage::LunCmd::Istgt::run_lun_command($scfg, $timeout, $method, @params); | |
67 | } elsif ($scfg->{iscsiprovider} eq 'iet') { | |
68 | $msg = PVE::Storage::LunCmd::Iet::run_lun_command($scfg, $timeout, $method, @params); | |
46c6107e UR |
69 | } elsif ($scfg->{iscsiprovider} eq 'LIO') { |
70 | $msg = PVE::Storage::LunCmd::LIO::run_lun_command($scfg, $timeout, $method, @params); | |
3b219e80 MR |
71 | } else { |
72 | $zfs_unknown_scsi_provider->($scfg->{iscsiprovider}); | |
73 | } | |
74 | } else { | |
3b219e80 | 75 | |
e8004c9c DM |
76 | my $target = 'root@' . $scfg->{portal}; |
77 | ||
78 | my $cmd = [@ssh_cmd, '-i', "$id_rsa_path/$scfg->{portal}_id_rsa", $target]; | |
3b219e80 | 79 | |
e8004c9c DM |
80 | if ($method eq 'zpool_list') { |
81 | push @$cmd, 'zpool', 'list'; | |
82 | } else { | |
83 | push @$cmd, 'zfs', $method; | |
84 | } | |
3b219e80 | 85 | |
e8004c9c | 86 | push @$cmd, @params; |
3b219e80 | 87 | |
e8004c9c DM |
88 | my $output = sub { |
89 | my $line = shift; | |
90 | $msg .= "$line\n"; | |
3b219e80 MR |
91 | }; |
92 | ||
93 | run_command($cmd, outfunc => $output, timeout => $timeout); | |
94 | } | |
4f914e6e MR |
95 | |
96 | return $msg; | |
97 | } | |
98 | ||
4f914e6e | 99 | sub zfs_get_lu_name { |
7730694e | 100 | my ($class, $scfg, $zvol) = @_; |
4f914e6e | 101 | |
3b219e80 | 102 | my $base = $zfs_get_base->($scfg); |
34eaae3f DM |
103 | |
104 | my $object = ($zvol =~ /^.+\/.+/) ? "$base/$zvol" : "$base/$scfg->{pool}/$zvol"; | |
4f914e6e | 105 | |
7730694e | 106 | my $lu_name = $class->zfs_request($scfg, undef, 'list_lu', $object); |
a7d56be6 | 107 | |
3b219e80 MR |
108 | return $lu_name if $lu_name; |
109 | ||
4f914e6e MR |
110 | die "Could not find lu_name for zvol $zvol"; |
111 | } | |
112 | ||
4f914e6e | 113 | sub zfs_add_lun_mapping_entry { |
7730694e | 114 | my ($class, $scfg, $zvol, $guid) = @_; |
4f914e6e | 115 | |
6b5bca68 DM |
116 | if (!defined($guid)) { |
117 | $guid = $class->zfs_get_lu_name($scfg, $zvol); | |
4f914e6e | 118 | } |
3b219e80 | 119 | |
7730694e | 120 | $class->zfs_request($scfg, undef, 'add_view', $guid); |
4f914e6e MR |
121 | } |
122 | ||
123 | sub zfs_delete_lu { | |
7730694e | 124 | my ($class, $scfg, $zvol) = @_; |
4f914e6e | 125 | |
7730694e | 126 | my $guid = $class->zfs_get_lu_name($scfg, $zvol); |
4f914e6e | 127 | |
7730694e | 128 | $class->zfs_request($scfg, undef, 'delete_lu', $guid); |
4f914e6e MR |
129 | } |
130 | ||
131 | sub zfs_create_lu { | |
7730694e | 132 | my ($class, $scfg, $zvol) = @_; |
4f914e6e | 133 | |
3b219e80 | 134 | my $base = $zfs_get_base->($scfg); |
7730694e | 135 | my $guid = $class->zfs_request($scfg, undef, 'create_lu', "$base/$scfg->{pool}/$zvol"); |
4f914e6e MR |
136 | |
137 | return $guid; | |
138 | } | |
139 | ||
140 | sub zfs_import_lu { | |
7730694e | 141 | my ($class, $scfg, $zvol) = @_; |
4f914e6e | 142 | |
3b219e80 | 143 | my $base = $zfs_get_base->($scfg); |
7730694e | 144 | $class->zfs_request($scfg, undef, 'import_lu', "$base/$scfg->{pool}/$zvol"); |
4f914e6e MR |
145 | } |
146 | ||
147 | sub zfs_resize_lu { | |
7730694e | 148 | my ($class, $scfg, $zvol, $size) = @_; |
4f914e6e | 149 | |
7730694e | 150 | my $guid = $class->zfs_get_lu_name($scfg, $zvol); |
4f914e6e | 151 | |
7730694e | 152 | $class->zfs_request($scfg, undef, 'modify_lu', "${size}K", $guid); |
4f914e6e MR |
153 | } |
154 | ||
155 | sub zfs_get_lun_number { | |
7730694e | 156 | my ($class, $scfg, $guid) = @_; |
4f914e6e MR |
157 | |
158 | die "could not find lun_number for guid $guid" if !$guid; | |
159 | ||
7730694e | 160 | return $class->zfs_request($scfg, undef, 'list_view', $guid); |
4f914e6e MR |
161 | } |
162 | ||
163 | # Configuration | |
164 | ||
165 | sub type { | |
166 | return 'zfs'; | |
167 | } | |
168 | ||
169 | sub plugindata { | |
170 | return { | |
6b5bca68 | 171 | content => [ {images => 1}, { images => 1 }], |
4f914e6e MR |
172 | }; |
173 | } | |
174 | ||
175 | sub properties { | |
176 | return { | |
6b5bca68 DM |
177 | iscsiprovider => { |
178 | description => "iscsi provider", | |
179 | type => 'string', | |
180 | }, | |
181 | # this will disable write caching on comstar and istgt. | |
182 | # it is not implemented for iet. iet blockio always operates with | |
183 | # writethrough caching when not in readonly mode | |
184 | nowritecache => { | |
185 | description => "disable write caching on the target", | |
186 | type => 'boolean', | |
187 | }, | |
188 | comstar_tg => { | |
189 | description => "target group for comstar views", | |
190 | type => 'string', | |
191 | }, | |
192 | comstar_hg => { | |
193 | description => "host group for comstar views", | |
194 | type => 'string', | |
195 | }, | |
46c6107e UR |
196 | lio_tpg => { |
197 | description => "target portal group for Linux LIO targets", | |
198 | type => 'string', | |
199 | }, | |
4f914e6e MR |
200 | }; |
201 | } | |
202 | ||
203 | sub options { | |
204 | return { | |
6b5bca68 DM |
205 | nodes => { optional => 1 }, |
206 | disable => { optional => 1 }, | |
207 | portal => { fixed => 1 }, | |
208 | target => { fixed => 1 }, | |
209 | pool => { fixed => 1 }, | |
210 | blocksize => { fixed => 1 }, | |
211 | iscsiprovider => { fixed => 1 }, | |
212 | nowritecache => { optional => 1 }, | |
213 | sparse => { optional => 1 }, | |
214 | comstar_hg => { optional => 1 }, | |
215 | comstar_tg => { optional => 1 }, | |
46c6107e | 216 | lio_tpg => { optional => 1 }, |
6b5bca68 | 217 | content => { optional => 1 }, |
9edb99a5 | 218 | bwlimit => { optional => 1 }, |
4f914e6e MR |
219 | }; |
220 | } | |
221 | ||
222 | # Storage implementation | |
223 | ||
4f914e6e | 224 | sub path { |
e67069eb DM |
225 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; |
226 | ||
227 | die "direct access to snapshots not implemented" | |
228 | if defined($snapname); | |
4f914e6e MR |
229 | |
230 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
231 | ||
232 | my $target = $scfg->{target}; | |
233 | my $portal = $scfg->{portal}; | |
234 | ||
7730694e DM |
235 | my $guid = $class->zfs_get_lu_name($scfg, $name); |
236 | my $lun = $class->zfs_get_lun_number($scfg, $guid); | |
3b219e80 | 237 | |
4f914e6e | 238 | my $path = "iscsi://$portal/$target/$lun"; |
3b219e80 | 239 | |
4f914e6e MR |
240 | return ($path, $vmid, $vtype); |
241 | } | |
242 | ||
4f914e6e MR |
243 | sub create_base { |
244 | my ($class, $storeid, $scfg, $volname) = @_; | |
245 | ||
246 | my $snap = '__base__'; | |
247 | ||
248 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
249 | $class->parse_volname($volname); | |
250 | ||
251 | die "create_base not possible with base image\n" if $isBase; | |
252 | ||
253 | my $newname = $name; | |
254 | $newname =~ s/^vm-/base-/; | |
255 | ||
256 | my $newvolname = $basename ? "$basename/$newname" : "$newname"; | |
257 | ||
7730694e DM |
258 | $class->zfs_delete_lu($scfg, $name); |
259 | $class->zfs_request($scfg, undef, 'rename', "$scfg->{pool}/$name", "$scfg->{pool}/$newname"); | |
4f914e6e | 260 | |
7730694e DM |
261 | my $guid = $class->zfs_create_lu($scfg, $newname); |
262 | $class->zfs_add_lun_mapping_entry($scfg, $newname, $guid); | |
4f914e6e MR |
263 | |
264 | my $running = undef; #fixme : is create_base always offline ? | |
265 | ||
266 | $class->volume_snapshot($scfg, $storeid, $newname, $snap, $running); | |
267 | ||
268 | return $newvolname; | |
269 | } | |
270 | ||
271 | sub clone_image { | |
f236eaf8 | 272 | my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_; |
4f914e6e | 273 | |
1993540b | 274 | my $name = $class->SUPER::clone_image($scfg, $storeid, $volname, $vmid, $snap); |
4f914e6e | 275 | |
1993540b FG |
276 | # get ZFS dataset name from PVE volname |
277 | my (undef, $clonedname) = $class->parse_volname($name); | |
278 | ||
279 | my $guid = $class->zfs_create_lu($scfg, $clonedname); | |
280 | $class->zfs_add_lun_mapping_entry($scfg, $clonedname, $guid); | |
4f914e6e MR |
281 | |
282 | return $name; | |
283 | } | |
284 | ||
285 | sub alloc_image { | |
286 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
b3ba95e4 | 287 | |
9b61bc9e WL |
288 | die "unsupported format '$fmt'" if $fmt ne 'raw'; |
289 | ||
290 | die "illegal name '$name' - sould be 'vm-$vmid-*'\n" | |
291 | if $name && $name !~ m/^vm-$vmid-/; | |
292 | ||
4eff810d WL |
293 | my $volname = $name; |
294 | ||
9660f716 | 295 | $volname = $class->zfs_find_free_diskname($storeid, $scfg, $vmid, $fmt) if !$volname; |
9b61bc9e | 296 | |
4eff810d | 297 | $class->zfs_create_zvol($scfg, $volname, $size); |
b3ba95e4 WL |
298 | |
299 | my $guid = $class->zfs_create_lu($scfg, $volname); | |
300 | $class->zfs_add_lun_mapping_entry($scfg, $volname, $guid); | |
4f914e6e | 301 | |
b3ba95e4 | 302 | return $volname; |
4f914e6e MR |
303 | } |
304 | ||
305 | sub free_image { | |
306 | my ($class, $storeid, $scfg, $volname, $isBase) = @_; | |
307 | ||
308 | my ($vtype, $name, $vmid) = $class->parse_volname($volname); | |
309 | ||
7730694e | 310 | $class->zfs_delete_lu($scfg, $name); |
6b5bca68 DM |
311 | |
312 | eval { $class->zfs_delete_zvol($scfg, $name); }; | |
313 | if (my $err = $@) { | |
7730694e DM |
314 | my $guid = $class->zfs_create_lu($scfg, $name); |
315 | $class->zfs_add_lun_mapping_entry($scfg, $name, $guid); | |
4f914e6e | 316 | die $err; |
6b5bca68 | 317 | } |
4f914e6e MR |
318 | |
319 | return undef; | |
4f914e6e MR |
320 | } |
321 | ||
4f914e6e MR |
322 | sub volume_resize { |
323 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
a4034b9f WL |
324 | |
325 | my $new_size = $class->SUPER::volume_resize($scfg, $storeid, $volname, $size, $running); | |
4f914e6e | 326 | |
7730694e | 327 | $class->zfs_resize_lu($scfg, $volname, $new_size); |
a4034b9f WL |
328 | |
329 | return $new_size; | |
4f914e6e MR |
330 | } |
331 | ||
27a27646 WL |
332 | sub volume_snapshot_delete { |
333 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
334 | ||
335 | $class->zfs_request($scfg, undef, 'destroy', "$scfg->{pool}/$volname\@$snap"); | |
336 | } | |
337 | ||
4f914e6e MR |
338 | sub volume_snapshot_rollback { |
339 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
340 | ||
7730694e | 341 | $class->zfs_delete_lu($scfg, $volname); |
4f914e6e | 342 | |
281f9587 | 343 | $class->zfs_request($scfg, undef, 'rollback', "$scfg->{pool}/$volname\@$snap"); |
4f914e6e | 344 | |
7730694e | 345 | $class->zfs_import_lu($scfg, $volname); |
4f914e6e | 346 | |
7730694e | 347 | $class->zfs_add_lun_mapping_entry($scfg, $volname); |
4f914e6e MR |
348 | } |
349 | ||
7118dd91 DM |
350 | sub storage_can_replicate { |
351 | my ($class, $scfg, $storeid, $format) = @_; | |
352 | ||
353 | return 0; | |
354 | } | |
355 | ||
4f914e6e MR |
356 | sub volume_has_feature { |
357 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
358 | ||
359 | my $features = { | |
6b5bca68 DM |
360 | snapshot => { current => 1, snap => 1}, |
361 | clone => { base => 1}, | |
362 | template => { current => 1}, | |
363 | copy => { base => 1, current => 1}, | |
4f914e6e MR |
364 | }; |
365 | ||
366 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase) = | |
6b5bca68 | 367 | $class->parse_volname($volname); |
4f914e6e MR |
368 | |
369 | my $key = undef; | |
5332e6c9 DM |
370 | |
371 | if ($snapname) { | |
6b5bca68 | 372 | $key = 'snap'; |
4f914e6e | 373 | } else { |
6b5bca68 | 374 | $key = $isBase ? 'base' : 'current'; |
4f914e6e | 375 | } |
5332e6c9 | 376 | |
4f914e6e MR |
377 | return 1 if $features->{$feature}->{$key}; |
378 | ||
379 | return undef; | |
380 | } | |
381 | ||
aefe82ea | 382 | sub volume_snapshot_list { |
8b622c2d | 383 | my ($class, $scfg, $storeid, $volname) = @_; |
aefe82ea WL |
384 | # return an empty array if dataset does not exist. |
385 | die "Volume_snapshot_list is not implemented for ZFS over iSCSI.\n"; | |
386 | } | |
387 | ||
86d47239 WL |
388 | sub activate_storage { |
389 | my ($class, $storeid, $scfg, $cache) = @_; | |
02e797b8 WL |
390 | |
391 | return 1; | |
392 | } | |
393 | ||
394 | sub deactivate_storage { | |
395 | my ($class, $storeid, $scfg, $cache) = @_; | |
396 | ||
397 | return 1; | |
398 | } | |
399 | ||
400 | sub activate_volume { | |
401 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
402 | ||
403 | die "unable to activate snapshot from remote zfs storage" if $snapname; | |
404 | ||
405 | return 1; | |
406 | } | |
407 | ||
408 | sub deactivate_volume { | |
409 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; | |
410 | ||
411 | die "unable to deactivate snapshot from remote zfs storage" if $snapname; | |
412 | ||
86d47239 WL |
413 | return 1; |
414 | } | |
415 | ||
4f914e6e | 416 | 1; |