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Commit | Line | Data |
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1dc01b9f DM |
1 | package PVE::Storage::Plugin; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
7fc619d5 | 5 | use File::chdir; |
1dc01b9f DM |
6 | use File::Path; |
7 | use PVE::Tools qw(run_command); | |
8 | use PVE::JSONSchema qw(get_standard_option); | |
9 | use PVE::Cluster qw(cfs_register_file); | |
10 | ||
11 | use Data::Dumper; | |
12 | ||
13 | use base qw(PVE::SectionConfig); | |
14 | ||
045ae0a7 | 15 | cfs_register_file ('storage.cfg', |
1dc01b9f DM |
16 | sub { __PACKAGE__->parse_config(@_); }, |
17 | sub { __PACKAGE__->write_config(@_); }); | |
18 | ||
35533c68 | 19 | |
1dc01b9f DM |
20 | my $defaultData = { |
21 | propertyList => { | |
22 | type => { description => "Storage type." }, | |
f7621c01 DM |
23 | storage => get_standard_option('pve-storage-id', |
24 | { completion => \&PVE::Storage::complete_storage }), | |
1dc01b9f DM |
25 | nodes => get_standard_option('pve-node-list', { optional => 1 }), |
26 | content => { | |
1f79bb07 | 27 | description => "Allowed content types. Note: value 'rootdir' is used for Containers, and value 'images' for KVM-Qemu VM's.\n", |
1dc01b9f DM |
28 | type => 'string', format => 'pve-storage-content-list', |
29 | optional => 1, | |
30 | }, | |
31 | disable => { | |
32 | description => "Flag to disable the storage.", | |
33 | type => 'boolean', | |
34 | optional => 1, | |
35 | }, | |
36 | maxfiles => { | |
37 | description => "Maximal number of backup files per VM. Use '0' for unlimted.", | |
38 | type => 'integer', | |
39 | minimum => 0, | |
40 | optional => 1, | |
41 | }, | |
42 | shared => { | |
43 | description => "Mark storage as shared.", | |
44 | type => 'boolean', | |
45 | optional => 1, | |
46 | }, | |
045ae0a7 | 47 | 'format' => { |
1dc01b9f DM |
48 | description => "Default Image format.", |
49 | type => 'string', format => 'pve-storage-format', | |
50 | optional => 1, | |
51 | }, | |
52 | }, | |
53 | }; | |
54 | ||
55 | sub content_hash_to_string { | |
56 | my $hash = shift; | |
57 | ||
58 | my @cta; | |
59 | foreach my $ct (keys %$hash) { | |
60 | push @cta, $ct if $hash->{$ct}; | |
045ae0a7 | 61 | } |
1dc01b9f DM |
62 | |
63 | return join(',', @cta); | |
64 | } | |
65 | ||
66 | sub valid_content_types { | |
67 | my ($type) = @_; | |
68 | ||
69 | my $def = $defaultData->{plugindata}->{$type}; | |
70 | ||
71 | return {} if !$def; | |
72 | ||
73 | return $def->{content}->[0]; | |
74 | } | |
75 | ||
76 | sub default_format { | |
77 | my ($scfg) = @_; | |
78 | ||
79 | my $type = $scfg->{type}; | |
80 | my $def = $defaultData->{plugindata}->{$type}; | |
045ae0a7 | 81 | |
1dc01b9f DM |
82 | my $def_format = 'raw'; |
83 | my $valid_formats = [ $def_format ]; | |
84 | ||
85 | if (defined($def->{format})) { | |
86 | $def_format = $scfg->{format} || $def->{format}->[1]; | |
87 | $valid_formats = [ sort keys %{$def->{format}->[0]} ]; | |
88 | } | |
045ae0a7 | 89 | |
1dc01b9f DM |
90 | return wantarray ? ($def_format, $valid_formats) : $def_format; |
91 | } | |
92 | ||
93 | PVE::JSONSchema::register_format('pve-storage-path', \&verify_path); | |
94 | sub verify_path { | |
95 | my ($path, $noerr) = @_; | |
96 | ||
97 | # fixme: exclude more shell meta characters? | |
98 | # we need absolute paths | |
99 | if ($path !~ m|^/[^;\(\)]+|) { | |
100 | return undef if $noerr; | |
101 | die "value does not look like a valid absolute path\n"; | |
102 | } | |
103 | return $path; | |
104 | } | |
105 | ||
106 | PVE::JSONSchema::register_format('pve-storage-server', \&verify_server); | |
107 | sub verify_server { | |
108 | my ($server, $noerr) = @_; | |
109 | ||
6bf617a9 WB |
110 | if (!(PVE::JSONSchema::pve_verify_ip($server, 1) || |
111 | PVE::JSONSchema::pve_verify_dns_name($server, 1))) | |
112 | { | |
1dc01b9f DM |
113 | return undef if $noerr; |
114 | die "value does not look like a valid server name or IP address\n"; | |
115 | } | |
116 | return $server; | |
117 | } | |
118 | ||
119 | # fixme: do we need this | |
120 | #PVE::JSONSchema::register_format('pve-storage-portal', \&verify_portal); | |
121 | #sub verify_portal { | |
122 | # my ($portal, $noerr) = @_; | |
123 | # | |
124 | # # IP with optional port | |
125 | # if ($portal !~ m/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(:\d+)?$/) { | |
126 | # return undef if $noerr; | |
127 | # die "value does not look like a valid portal address\n"; | |
128 | # } | |
129 | # return $portal; | |
130 | #} | |
131 | ||
132 | PVE::JSONSchema::register_format('pve-storage-portal-dns', \&verify_portal_dns); | |
133 | sub verify_portal_dns { | |
134 | my ($portal, $noerr) = @_; | |
135 | ||
136 | # IP or DNS name with optional port | |
1689e627 | 137 | if (!PVE::Tools::parse_host_and_port($portal)) { |
1dc01b9f DM |
138 | return undef if $noerr; |
139 | die "value does not look like a valid portal address\n"; | |
140 | } | |
141 | return $portal; | |
142 | } | |
143 | ||
144 | PVE::JSONSchema::register_format('pve-storage-content', \&verify_content); | |
145 | sub verify_content { | |
146 | my ($ct, $noerr) = @_; | |
147 | ||
148 | my $valid_content = valid_content_types('dir'); # dir includes all types | |
045ae0a7 | 149 | |
1dc01b9f DM |
150 | if (!$valid_content->{$ct}) { |
151 | return undef if $noerr; | |
152 | die "invalid content type '$ct'\n"; | |
153 | } | |
154 | ||
155 | return $ct; | |
156 | } | |
157 | ||
158 | PVE::JSONSchema::register_format('pve-storage-format', \&verify_format); | |
159 | sub verify_format { | |
160 | my ($fmt, $noerr) = @_; | |
161 | ||
35533c68 | 162 | if ($fmt !~ m/(raw|qcow2|vmdk|subvol)/) { |
1dc01b9f DM |
163 | return undef if $noerr; |
164 | die "invalid format '$fmt'\n"; | |
165 | } | |
166 | ||
167 | return $fmt; | |
168 | } | |
169 | ||
170 | PVE::JSONSchema::register_format('pve-storage-options', \&verify_options); | |
171 | sub verify_options { | |
172 | my ($value, $noerr) = @_; | |
173 | ||
174 | # mount options (see man fstab) | |
175 | if ($value !~ m/^\S+$/) { | |
176 | return undef if $noerr; | |
177 | die "invalid options '$value'\n"; | |
178 | } | |
179 | ||
180 | return $value; | |
181 | } | |
182 | ||
a7f3d909 DM |
183 | PVE::JSONSchema::register_format('pve-volume-id', \&parse_volume_id); |
184 | sub parse_volume_id { | |
185 | my ($volid, $noerr) = @_; | |
186 | ||
187 | if ($volid =~ m/^([a-z][a-z0-9\-\_\.]*[a-z0-9]):(.+)$/i) { | |
188 | return wantarray ? ($1, $2) : $1; | |
189 | } | |
190 | return undef if $noerr; | |
191 | die "unable to parse volume ID '$volid'\n"; | |
192 | } | |
193 | ||
1dc01b9f DM |
194 | |
195 | sub private { | |
196 | return $defaultData; | |
197 | } | |
198 | ||
199 | sub parse_section_header { | |
200 | my ($class, $line) = @_; | |
201 | ||
202 | if ($line =~ m/^(\S+):\s*(\S+)\s*$/) { | |
203 | my ($type, $storeid) = (lc($1), $2); | |
204 | my $errmsg = undef; # set if you want to skip whole section | |
205 | eval { PVE::JSONSchema::parse_storage_id($storeid); }; | |
206 | $errmsg = $@ if $@; | |
207 | my $config = {}; # to return additional attributes | |
208 | return ($type, $storeid, $errmsg, $config); | |
209 | } | |
210 | return undef; | |
211 | } | |
212 | ||
213 | sub decode_value { | |
214 | my ($class, $type, $key, $value) = @_; | |
215 | ||
216 | my $def = $defaultData->{plugindata}->{$type}; | |
217 | ||
218 | if ($key eq 'content') { | |
219 | my $valid_content = $def->{content}->[0]; | |
045ae0a7 | 220 | |
1dc01b9f DM |
221 | my $res = {}; |
222 | ||
223 | foreach my $c (PVE::Tools::split_list($value)) { | |
224 | if (!$valid_content->{$c}) { | |
225 | die "storage does not support content type '$c'\n"; | |
226 | } | |
227 | $res->{$c} = 1; | |
045ae0a7 | 228 | } |
1dc01b9f DM |
229 | |
230 | if ($res->{none} && scalar (keys %$res) > 1) { | |
231 | die "unable to combine 'none' with other content types\n"; | |
232 | } | |
233 | ||
234 | return $res; | |
235 | } elsif ($key eq 'format') { | |
236 | my $valid_formats = $def->{format}->[0]; | |
237 | ||
238 | if (!$valid_formats->{$value}) { | |
239 | die "storage does not support format '$value'\n"; | |
240 | } | |
241 | ||
242 | return $value; | |
243 | } elsif ($key eq 'nodes') { | |
244 | my $res = {}; | |
245 | ||
246 | foreach my $node (PVE::Tools::split_list($value)) { | |
247 | if (PVE::JSONSchema::pve_verify_node_name($node)) { | |
248 | $res->{$node} = 1; | |
249 | } | |
250 | } | |
251 | ||
252 | # fixme: | |
253 | # no node restrictions for local storage | |
254 | #if ($storeid && $storeid eq 'local' && scalar(keys(%$res))) { | |
255 | # die "storage '$storeid' does not allow node restrictions\n"; | |
256 | #} | |
257 | ||
258 | return $res; | |
259 | } | |
260 | ||
261 | return $value; | |
262 | } | |
263 | ||
264 | sub encode_value { | |
265 | my ($class, $type, $key, $value) = @_; | |
266 | ||
267 | if ($key eq 'nodes') { | |
268 | return join(',', keys(%$value)); | |
269 | } elsif ($key eq 'content') { | |
270 | my $res = content_hash_to_string($value) || 'none'; | |
271 | return $res; | |
272 | } | |
273 | ||
274 | return $value; | |
275 | } | |
276 | ||
277 | sub parse_config { | |
278 | my ($class, $filename, $raw) = @_; | |
279 | ||
280 | my $cfg = $class->SUPER::parse_config($filename, $raw); | |
281 | my $ids = $cfg->{ids}; | |
282 | ||
283 | # make sure we have a reasonable 'local:' storage | |
284 | # openvz expects things to be there | |
285 | if (!$ids->{local} || $ids->{local}->{type} ne 'dir' || | |
286 | ($ids->{local}->{path} && $ids->{local}->{path} ne '/var/lib/vz')) { | |
287 | $ids->{local} = { | |
288 | type => 'dir', | |
289 | priority => 0, # force first entry | |
290 | path => '/var/lib/vz', | |
291 | maxfiles => 0, | |
292 | content => { images => 1, rootdir => 1, vztmpl => 1, iso => 1}, | |
293 | }; | |
294 | } | |
045ae0a7 | 295 | |
1dc01b9f DM |
296 | # we always need this for OpenVZ |
297 | $ids->{local}->{content}->{rootdir} = 1; | |
298 | $ids->{local}->{content}->{vztmpl} = 1; | |
299 | delete ($ids->{local}->{disable}); | |
300 | ||
301 | # make sure we have a path | |
302 | $ids->{local}->{path} = '/var/lib/vz' if !$ids->{local}->{path}; | |
303 | ||
304 | # remove node restrictions for local storage | |
305 | delete($ids->{local}->{nodes}); | |
306 | ||
307 | foreach my $storeid (keys %$ids) { | |
308 | my $d = $ids->{$storeid}; | |
309 | my $type = $d->{type}; | |
310 | ||
311 | my $def = $defaultData->{plugindata}->{$type}; | |
312 | ||
313 | if ($def->{content}) { | |
314 | $d->{content} = $def->{content}->[1] if !$d->{content}; | |
315 | } | |
316 | ||
d26e1891 | 317 | if ($type eq 'iscsi' || $type eq 'nfs' || $type eq 'rbd' || $type eq 'sheepdog' || $type eq 'iscsidirect' || $type eq 'glusterfs' || $type eq 'zfs' || $type eq 'drbd') { |
1dc01b9f DM |
318 | $d->{shared} = 1; |
319 | } | |
320 | } | |
321 | ||
322 | return $cfg; | |
323 | } | |
324 | ||
325 | # Storage implementation | |
326 | ||
327 | sub cluster_lock_storage { | |
328 | my ($class, $storeid, $shared, $timeout, $func, @param) = @_; | |
329 | ||
330 | my $res; | |
331 | if (!$shared) { | |
332 | my $lockid = "pve-storage-$storeid"; | |
333 | my $lockdir = "/var/lock/pve-manager"; | |
334 | mkdir $lockdir; | |
045ae0a7 | 335 | $res = PVE::Tools::lock_file("$lockdir/$lockid", $timeout, $func, @param); |
1dc01b9f DM |
336 | die $@ if $@; |
337 | } else { | |
338 | $res = PVE::Cluster::cfs_lock_storage($storeid, $timeout, $func, @param); | |
339 | die $@ if $@; | |
045ae0a7 | 340 | } |
1dc01b9f DM |
341 | return $res; |
342 | } | |
343 | ||
344 | sub parse_name_dir { | |
345 | my $name = shift; | |
346 | ||
35533c68 DM |
347 | if ($name =~ m!^((base-)?[^/\s]+\.(raw|qcow2|vmdk|subvol))$!) { |
348 | return ($1, $3, $2); # (name, format, isBase) | |
1dc01b9f DM |
349 | } |
350 | ||
351 | die "unable to parse volume filename '$name'\n"; | |
352 | } | |
353 | ||
354 | sub parse_volname { | |
355 | my ($class, $volname) = @_; | |
356 | ||
2502b33b DM |
357 | if ($volname =~ m!^(\d+)/(\S+)/(\d+)/(\S+)$!) { |
358 | my ($basedvmid, $basename) = ($1, $2); | |
359 | parse_name_dir($basename); | |
360 | my ($vmid, $name) = ($3, $4); | |
35533c68 DM |
361 | my (undef, $format, $isBase) = parse_name_dir($name); |
362 | return ('images', $name, $vmid, $basename, $basedvmid, $isBase, $format); | |
2502b33b | 363 | } elsif ($volname =~ m!^(\d+)/(\S+)$!) { |
1dc01b9f | 364 | my ($vmid, $name) = ($1, $2); |
35533c68 DM |
365 | my (undef, $format, $isBase) = parse_name_dir($name); |
366 | return ('images', $name, $vmid, undef, undef, $isBase, $format); | |
1dc01b9f DM |
367 | } elsif ($volname =~ m!^iso/([^/]+\.[Ii][Ss][Oo])$!) { |
368 | return ('iso', $1); | |
13d2cb79 | 369 | } elsif ($volname =~ m!^vztmpl/([^/]+\.tar\.[gx]z)$!) { |
1dc01b9f DM |
370 | return ('vztmpl', $1); |
371 | } elsif ($volname =~ m!^rootdir/(\d+)$!) { | |
372 | return ('rootdir', $1, $1); | |
a22854e5 | 373 | } elsif ($volname =~ m!^backup/([^/]+(\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo)))$!) { |
1dc01b9f | 374 | my $fn = $1; |
4cb6e060 | 375 | if ($fn =~ m/^vzdump-(openvz|lxc|qemu)-(\d+)-.+/) { |
1dc01b9f DM |
376 | return ('backup', $fn, $2); |
377 | } | |
378 | return ('backup', $fn); | |
379 | } | |
380 | ||
381 | die "unable to parse directory volume name '$volname'\n"; | |
382 | } | |
383 | ||
045ae0a7 | 384 | my $vtype_subdirs = { |
1dc01b9f DM |
385 | images => 'images', |
386 | rootdir => 'private', | |
387 | iso => 'template/iso', | |
388 | vztmpl => 'template/cache', | |
389 | backup => 'dump', | |
390 | }; | |
391 | ||
392 | sub get_subdir { | |
393 | my ($class, $scfg, $vtype) = @_; | |
394 | ||
395 | my $path = $scfg->{path}; | |
396 | ||
397 | die "storage definintion has no path\n" if !$path; | |
398 | ||
399 | my $subdir = $vtype_subdirs->{$vtype}; | |
400 | ||
401 | die "unknown vtype '$vtype'\n" if !defined($subdir); | |
402 | ||
045ae0a7 | 403 | return "$path/$subdir"; |
1dc01b9f DM |
404 | } |
405 | ||
08480ce7 | 406 | sub filesystem_path { |
e67069eb | 407 | my ($class, $scfg, $volname, $snapname) = @_; |
1dc01b9f | 408 | |
e67069eb DM |
409 | my ($vtype, $name, $vmid, undef, undef, $isBase, $format) = |
410 | $class->parse_volname($volname); | |
411 | ||
412 | # Note: qcow2/qed has internal snapshot, so path is always | |
413 | # the same (with or without snapshot => same file). | |
414 | die "can't snapshot this image format\n" | |
415 | if defined($snapname) && $format !~ m/^(qcow2|qed)$/; | |
1dc01b9f DM |
416 | |
417 | my $dir = $class->get_subdir($scfg, $vtype); | |
418 | ||
419 | $dir .= "/$vmid" if $vtype eq 'images'; | |
420 | ||
421 | my $path = "$dir/$name"; | |
422 | ||
423 | return wantarray ? ($path, $vmid, $vtype) : $path; | |
424 | } | |
425 | ||
08480ce7 | 426 | sub path { |
e67069eb | 427 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; |
08480ce7 | 428 | |
e67069eb | 429 | return $class->filesystem_path($scfg, $volname, $snapname); |
08480ce7 DM |
430 | } |
431 | ||
2502b33b DM |
432 | sub create_base { |
433 | my ($class, $storeid, $scfg, $volname) = @_; | |
434 | ||
435 | # this only works for file based storage types | |
436 | die "storage definintion has no path\n" if !$scfg->{path}; | |
437 | ||
35533c68 | 438 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) = |
2502b33b DM |
439 | $class->parse_volname($volname); |
440 | ||
441 | die "create_base on wrong vtype '$vtype'\n" if $vtype ne 'images'; | |
442 | ||
443 | die "create_base not possible with base image\n" if $isBase; | |
444 | ||
08480ce7 | 445 | my $path = $class->filesystem_path($scfg, $volname); |
2502b33b | 446 | |
35533c68 DM |
447 | my ($size, undef, $used, $parent) = file_size_info($path); |
448 | die "file_size_info on '$volname' failed\n" if !($format && defined($size)); | |
2502b33b DM |
449 | |
450 | die "volname '$volname' contains wrong information about parent\n" | |
451 | if $basename && (!$parent || $parent ne "../$basevmid/$basename"); | |
452 | ||
453 | my $newname = $name; | |
454 | $newname =~ s/^vm-/base-/; | |
455 | ||
456 | my $newvolname = $basename ? "$basevmid/$basename/$vmid/$newname" : | |
457 | "$vmid/$newname"; | |
458 | ||
08480ce7 | 459 | my $newpath = $class->filesystem_path($scfg, $newvolname); |
2502b33b DM |
460 | |
461 | die "file '$newpath' already exists\n" if -f $newpath; | |
462 | ||
1a3459ac | 463 | rename($path, $newpath) || |
2502b33b DM |
464 | die "rename '$path' to '$newpath' failed - $!\n"; |
465 | ||
c803c396 | 466 | # We try to protect base volume |
2502b33b | 467 | |
c803c396 DM |
468 | chmod(0444, $newpath); # nobody should write anything |
469 | ||
470 | # also try to set immutable flag | |
471 | eval { run_command(['/usr/bin/chattr', '+i', $newpath]); }; | |
472 | warn $@ if $@; | |
1a3459ac | 473 | |
2502b33b DM |
474 | return $newvolname; |
475 | } | |
476 | ||
477 | my $find_free_diskname = sub { | |
478 | my ($imgdir, $vmid, $fmt) = @_; | |
479 | ||
480 | my $disk_ids = {}; | |
1a3459ac | 481 | PVE::Tools::dir_glob_foreach($imgdir, |
2502b33b DM |
482 | qr!(vm|base)-$vmid-disk-(\d+)\..*!, |
483 | sub { | |
1a3459ac | 484 | my ($fn, $type, $disk) = @_; |
2502b33b DM |
485 | $disk_ids->{$disk} = 1; |
486 | }); | |
487 | ||
488 | for (my $i = 1; $i < 100; $i++) { | |
489 | if (!$disk_ids->{$i}) { | |
490 | return "vm-$vmid-disk-$i.$fmt"; | |
491 | } | |
492 | } | |
493 | ||
494 | die "unable to allocate a new image name for VM $vmid in '$imgdir'\n"; | |
495 | }; | |
496 | ||
497 | sub clone_image { | |
f236eaf8 | 498 | my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_; |
2502b33b DM |
499 | |
500 | # this only works for file based storage types | |
501 | die "storage definintion has no path\n" if !$scfg->{path}; | |
502 | ||
35533c68 | 503 | my ($vtype, $basename, $basevmid, undef, undef, $isBase, $format) = |
2502b33b DM |
504 | $class->parse_volname($volname); |
505 | ||
506 | die "clone_image on wrong vtype '$vtype'\n" if $vtype ne 'images'; | |
507 | ||
f236eaf8 SP |
508 | die "this storage type does not support clone_image on snapshot\n" if $snap; |
509 | ||
35533c68 DM |
510 | die "this storage type does not support clone_image on subvolumes\n" if $format eq 'subvol'; |
511 | ||
f236eaf8 | 512 | die "clone_image only works on base images\n" if !$isBase; |
1dc01b9f DM |
513 | |
514 | my $imagedir = $class->get_subdir($scfg, 'images'); | |
515 | $imagedir .= "/$vmid"; | |
516 | ||
517 | mkpath $imagedir; | |
518 | ||
2502b33b DM |
519 | my $name = &$find_free_diskname($imagedir, $vmid, "qcow2"); |
520 | ||
521 | warn "clone $volname: $vtype, $name, $vmid to $name (base=../$basevmid/$basename)\n"; | |
522 | ||
523 | my $newvol = "$basevmid/$basename/$vmid/$name"; | |
524 | ||
08480ce7 | 525 | my $path = $class->filesystem_path($scfg, $newvol); |
2502b33b | 526 | |
1a3459ac | 527 | # Note: we use relative paths, so we need to call chdir before qemu-img |
2502b33b | 528 | eval { |
7fc619d5 | 529 | local $CWD = $imagedir; |
2502b33b | 530 | |
1a3459ac | 531 | my $cmd = ['/usr/bin/qemu-img', 'create', '-b', "../$basevmid/$basename", |
2502b33b | 532 | '-f', 'qcow2', $path]; |
1a3459ac | 533 | |
2502b33b DM |
534 | run_command($cmd); |
535 | }; | |
536 | my $err = $@; | |
1dc01b9f | 537 | |
2502b33b DM |
538 | die $err if $err; |
539 | ||
540 | return $newvol; | |
541 | } | |
542 | ||
543 | sub alloc_image { | |
544 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
545 | ||
546 | my $imagedir = $class->get_subdir($scfg, 'images'); | |
547 | $imagedir .= "/$vmid"; | |
548 | ||
549 | mkpath $imagedir; | |
550 | ||
551 | $name = &$find_free_diskname($imagedir, $vmid, $fmt) if !$name; | |
1a3459ac | 552 | |
1dc01b9f DM |
553 | my (undef, $tmpfmt) = parse_name_dir($name); |
554 | ||
045ae0a7 | 555 | die "illegal name '$name' - wrong extension for format ('$tmpfmt != '$fmt')\n" |
1dc01b9f DM |
556 | if $tmpfmt ne $fmt; |
557 | ||
558 | my $path = "$imagedir/$name"; | |
559 | ||
560 | die "disk image '$path' already exists\n" if -e $path; | |
561 | ||
35533c68 DM |
562 | if ($fmt eq 'subvol') { |
563 | # only allow this if size = 0, so that user knows what he is doing | |
564 | die "storage does not support subvol quotas\n" if $size != 0; | |
565 | ||
566 | (mkdir $path) || die "unable to create subvol '$path' - $!\n"; | |
567 | } else { | |
568 | my $cmd = ['/usr/bin/qemu-img', 'create']; | |
045ae0a7 | 569 | |
35533c68 DM |
570 | push @$cmd, '-o', 'preallocation=metadata' if $fmt eq 'qcow2'; |
571 | ||
572 | push @$cmd, '-f', $fmt, $path, "${size}K"; | |
1dc01b9f | 573 | |
35533c68 DM |
574 | run_command($cmd, errmsg => "unable to create image"); |
575 | } | |
576 | ||
1dc01b9f DM |
577 | return "$vmid/$name"; |
578 | } | |
579 | ||
580 | sub free_image { | |
35533c68 | 581 | my ($class, $storeid, $scfg, $volname, $isBase, $format) = @_; |
1dc01b9f | 582 | |
08480ce7 | 583 | my $path = $class->filesystem_path($scfg, $volname); |
1dc01b9f | 584 | |
35533c68 DM |
585 | if ($format eq 'subvol') { |
586 | File::Path::remove_tree($path); | |
587 | } else { | |
588 | ||
589 | if (! -f $path) { | |
590 | warn "disk image '$path' does not exists\n"; | |
591 | return undef; | |
592 | } | |
1dc01b9f | 593 | |
35533c68 DM |
594 | if ($isBase) { |
595 | # try to remove immutable flag | |
596 | eval { run_command(['/usr/bin/chattr', '-i', $path]); }; | |
597 | warn $@ if $@; | |
598 | } | |
a7f3d909 | 599 | |
35533c68 DM |
600 | unlink($path) || die "unlink '$path' failed - $!\n"; |
601 | } | |
602 | ||
1dc01b9f DM |
603 | return undef; |
604 | } | |
605 | ||
606 | sub file_size_info { | |
607 | my ($filename, $timeout) = @_; | |
608 | ||
35533c68 DM |
609 | if (-d $filename) { |
610 | return wantarray ? (0, 'subvol', 0, undef) : 1; | |
611 | } | |
612 | ||
1dc01b9f DM |
613 | my $cmd = ['/usr/bin/qemu-img', 'info', $filename]; |
614 | ||
615 | my $format; | |
73b7847e | 616 | my $parent; |
1dc01b9f DM |
617 | my $size = 0; |
618 | my $used = 0; | |
619 | ||
620 | eval { | |
621 | run_command($cmd, timeout => $timeout, outfunc => sub { | |
622 | my $line = shift; | |
1dc01b9f DM |
623 | if ($line =~ m/^file format:\s+(\S+)\s*$/) { |
624 | $format = $1; | |
73b7847e AD |
625 | } elsif ($line =~ m/^backing file:\s(\S+)\s/) { |
626 | $parent = $1; | |
1dc01b9f DM |
627 | } elsif ($line =~ m/^virtual size:\s\S+\s+\((\d+)\s+bytes\)$/) { |
628 | $size = int($1); | |
629 | } elsif ($line =~ m/^disk size:\s+(\d+(.\d+)?)([KMGT])\s*$/) { | |
630 | $used = $1; | |
631 | my $u = $3; | |
632 | ||
633 | $used *= 1024 if $u eq 'K'; | |
634 | $used *= (1024*1024) if $u eq 'M'; | |
635 | $used *= (1024*1024*1024) if $u eq 'G'; | |
636 | $used *= (1024*1024*1024*1024) if $u eq 'T'; | |
637 | ||
638 | $used = int($used); | |
639 | } | |
640 | }); | |
641 | }; | |
642 | ||
73b7847e | 643 | return wantarray ? ($size, $format, $used, $parent) : $size; |
1dc01b9f DM |
644 | } |
645 | ||
e47e548e AD |
646 | sub volume_size_info { |
647 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
08480ce7 | 648 | my $path = $class->filesystem_path($scfg, $volname); |
e47e548e AD |
649 | return file_size_info($path, $timeout); |
650 | ||
651 | } | |
652 | ||
81f5058c AD |
653 | sub volume_resize { |
654 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
655 | ||
6d788031 | 656 | die "can't resize this image format\n" if $volname !~ m/\.(raw|qcow2)$/; |
81f5058c AD |
657 | |
658 | return 1 if $running; | |
659 | ||
08480ce7 | 660 | my $path = $class->filesystem_path($scfg, $volname); |
81f5058c AD |
661 | |
662 | my $cmd = ['/usr/bin/qemu-img', 'resize', $path , $size]; | |
663 | ||
1059cc99 | 664 | run_command($cmd, timeout => 10); |
81f5058c AD |
665 | |
666 | return undef; | |
667 | } | |
668 | ||
7dcb0697 | 669 | sub volume_snapshot { |
f5640e7d | 670 | my ($class, $scfg, $storeid, $volname, $snap) = @_; |
7dcb0697 | 671 | |
6d788031 | 672 | die "can't snapshot this image format\n" if $volname !~ m/\.(qcow2|qed)$/; |
7dcb0697 | 673 | |
08480ce7 | 674 | my $path = $class->filesystem_path($scfg, $volname); |
7dcb0697 AD |
675 | |
676 | my $cmd = ['/usr/bin/qemu-img', 'snapshot','-c', $snap, $path]; | |
677 | ||
3f13fd7d | 678 | run_command($cmd); |
7dcb0697 AD |
679 | |
680 | return undef; | |
681 | } | |
682 | ||
1597f1f9 WL |
683 | sub volume_rollback_is_possible { |
684 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
685 | ||
686 | return 1; | |
687 | } | |
688 | ||
41dffa85 AD |
689 | sub volume_snapshot_rollback { |
690 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
691 | ||
6d788031 | 692 | die "can't rollback snapshot this image format\n" if $volname !~ m/\.(qcow2|qed)$/; |
41dffa85 | 693 | |
08480ce7 | 694 | my $path = $class->filesystem_path($scfg, $volname); |
41dffa85 AD |
695 | |
696 | my $cmd = ['/usr/bin/qemu-img', 'snapshot','-a', $snap, $path]; | |
697 | ||
3f13fd7d | 698 | run_command($cmd); |
41dffa85 AD |
699 | |
700 | return undef; | |
701 | } | |
702 | ||
6000a061 AD |
703 | sub volume_snapshot_delete { |
704 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
705 | ||
6d788031 | 706 | die "can't delete snapshot for this image format\n" if $volname !~ m/\.(qcow2|qed)$/; |
6000a061 AD |
707 | |
708 | return 1 if $running; | |
709 | ||
08480ce7 | 710 | my $path = $class->filesystem_path($scfg, $volname); |
6000a061 AD |
711 | |
712 | my $cmd = ['/usr/bin/qemu-img', 'snapshot','-d', $snap, $path]; | |
713 | ||
3f13fd7d | 714 | run_command($cmd); |
6000a061 AD |
715 | |
716 | return undef; | |
717 | } | |
718 | ||
f884fe11 AD |
719 | sub volume_has_feature { |
720 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
721 | ||
722 | my $features = { | |
5649ccfe AD |
723 | snapshot => { current => { qcow2 => 1}, snap => { qcow2 => 1} }, |
724 | clone => { base => {qcow2 => 1, raw => 1, vmdk => 1} }, | |
35533c68 | 725 | template => { current => {qcow2 => 1, raw => 1, vmdk => 1, subvol => 1} }, |
5649ccfe | 726 | copy => { base => {qcow2 => 1, raw => 1, vmdk => 1}, |
22b8cf97 AD |
727 | current => {qcow2 => 1, raw => 1, vmdk => 1}, |
728 | snap => {qcow2 => 1} }, | |
f884fe11 AD |
729 | }; |
730 | ||
35533c68 | 731 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) = |
dc4f2cb3 AD |
732 | $class->parse_volname($volname); |
733 | ||
dc4f2cb3 AD |
734 | my $key = undef; |
735 | if($snapname){ | |
2c5a7097 | 736 | $key = 'snap'; |
dc4f2cb3 AD |
737 | }else{ |
738 | $key = $isBase ? 'base' : 'current'; | |
f884fe11 | 739 | } |
dc4f2cb3 AD |
740 | |
741 | return 1 if defined($features->{$feature}->{$key}->{$format}); | |
742 | ||
f884fe11 AD |
743 | return undef; |
744 | } | |
745 | ||
1dc01b9f DM |
746 | sub list_images { |
747 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
748 | ||
749 | my $imagedir = $class->get_subdir($scfg, 'images'); | |
750 | ||
751 | my ($defFmt, $vaidFmts) = default_format($scfg); | |
045ae0a7 | 752 | my $fmts = join ('|', @$vaidFmts); |
1dc01b9f DM |
753 | |
754 | my $res = []; | |
755 | ||
756 | foreach my $fn (<$imagedir/[0-9][0-9]*/*>) { | |
757 | ||
758 | next if $fn !~ m!^(/.+/(\d+)/([^/]+\.($fmts)))$!; | |
759 | $fn = $1; # untaint | |
760 | ||
761 | my $owner = $2; | |
762 | my $name = $3; | |
1dc01b9f | 763 | |
2502b33b | 764 | next if !$vollist && defined($vmid) && ($owner ne $vmid); |
1dc01b9f | 765 | |
73b7847e | 766 | my ($size, $format, $used, $parent) = file_size_info($fn); |
35533c68 | 767 | next if !($format && defined($size)); |
2502b33b DM |
768 | |
769 | my $volid; | |
770 | if ($parent && $parent =~ m!^../(\d+)/([^/]+\.($fmts))$!) { | |
771 | my ($basevmid, $basename) = ($1, $2); | |
772 | $volid = "$storeid:$basevmid/$basename/$owner/$name"; | |
773 | } else { | |
774 | $volid = "$storeid:$owner/$name"; | |
775 | } | |
1dc01b9f | 776 | |
2502b33b DM |
777 | if ($vollist) { |
778 | my $found = grep { $_ eq $volid } @$vollist; | |
779 | next if !$found; | |
1dc01b9f DM |
780 | } |
781 | ||
2502b33b DM |
782 | push @$res, { |
783 | volid => $volid, format => $format, | |
1a3459ac | 784 | size => $size, vmid => $owner, used => $used, parent => $parent |
2502b33b | 785 | }; |
1dc01b9f DM |
786 | } |
787 | ||
788 | return $res; | |
789 | } | |
790 | ||
791 | sub status { | |
792 | my ($class, $storeid, $scfg, $cache) = @_; | |
793 | ||
794 | my $path = $scfg->{path}; | |
795 | ||
796 | die "storage definintion has no path\n" if !$path; | |
045ae0a7 | 797 | |
1dc01b9f DM |
798 | my $timeout = 2; |
799 | my $res = PVE::Tools::df($path, $timeout); | |
800 | ||
801 | return undef if !$res || !$res->{total}; | |
802 | ||
803 | return ($res->{total}, $res->{avail}, $res->{used}, 1); | |
804 | } | |
805 | ||
806 | sub activate_storage { | |
807 | my ($class, $storeid, $scfg, $cache) = @_; | |
808 | ||
809 | my $path = $scfg->{path}; | |
810 | ||
811 | die "storage definintion has no path\n" if !$path; | |
812 | ||
813 | die "unable to activate storage '$storeid' - " . | |
814 | "directory '$path' does not exist\n" if ! -d $path; | |
815 | ||
816 | if (defined($scfg->{content})) { | |
817 | foreach my $vtype (keys %$vtype_subdirs) { | |
6bcc16d7 DM |
818 | # OpenVZMigrate uses backup (dump) dir |
819 | if (defined($scfg->{content}->{$vtype}) || | |
820 | ($vtype eq 'backup' && defined($scfg->{content}->{'rootdir'}))) { | |
821 | my $subdir = $class->get_subdir($scfg, $vtype); | |
822 | mkpath $subdir if $subdir ne $path; | |
823 | } | |
1dc01b9f DM |
824 | } |
825 | } | |
826 | } | |
827 | ||
828 | sub deactivate_storage { | |
829 | my ($class, $storeid, $scfg, $cache) = @_; | |
830 | ||
831 | # do nothing by default | |
832 | } | |
833 | ||
834 | sub activate_volume { | |
02e797b8 | 835 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
1dc01b9f | 836 | |
02e797b8 | 837 | my $path = $class->filesystem_path($scfg, $volname, $snapname); |
1dc01b9f DM |
838 | |
839 | # check is volume exists | |
840 | if ($scfg->{path}) { | |
841 | die "volume '$storeid:$volname' does not exist\n" if ! -e $path; | |
842 | } else { | |
843 | die "volume '$storeid:$volname' does not exist\n" if ! -b $path; | |
844 | } | |
845 | } | |
846 | ||
847 | sub deactivate_volume { | |
02e797b8 | 848 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
1dc01b9f DM |
849 | |
850 | # do nothing by default | |
851 | } | |
852 | ||
c9eeac01 AD |
853 | sub check_connection { |
854 | my ($class, $storeid, $scfg) = @_; | |
855 | # do nothing by default | |
856 | return 1; | |
857 | } | |
858 | ||
e47e548e | 859 | |
1dc01b9f | 860 | 1; |