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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, | |
98437f4c | 30 | completion => \&PVE::Storage::complete_content_type, |
1dc01b9f DM |
31 | }, |
32 | disable => { | |
33 | description => "Flag to disable the storage.", | |
34 | type => 'boolean', | |
35 | optional => 1, | |
36 | }, | |
37 | maxfiles => { | |
38 | description => "Maximal number of backup files per VM. Use '0' for unlimted.", | |
39 | type => 'integer', | |
40 | minimum => 0, | |
41 | optional => 1, | |
42 | }, | |
43 | shared => { | |
44 | description => "Mark storage as shared.", | |
45 | type => 'boolean', | |
46 | optional => 1, | |
47 | }, | |
045ae0a7 | 48 | 'format' => { |
1dc01b9f DM |
49 | description => "Default Image format.", |
50 | type => 'string', format => 'pve-storage-format', | |
51 | optional => 1, | |
52 | }, | |
53 | }, | |
54 | }; | |
55 | ||
56 | sub content_hash_to_string { | |
57 | my $hash = shift; | |
58 | ||
59 | my @cta; | |
60 | foreach my $ct (keys %$hash) { | |
61 | push @cta, $ct if $hash->{$ct}; | |
045ae0a7 | 62 | } |
1dc01b9f DM |
63 | |
64 | return join(',', @cta); | |
65 | } | |
66 | ||
67 | sub valid_content_types { | |
68 | my ($type) = @_; | |
69 | ||
70 | my $def = $defaultData->{plugindata}->{$type}; | |
71 | ||
72 | return {} if !$def; | |
73 | ||
74 | return $def->{content}->[0]; | |
75 | } | |
76 | ||
77 | sub default_format { | |
78 | my ($scfg) = @_; | |
79 | ||
80 | my $type = $scfg->{type}; | |
81 | my $def = $defaultData->{plugindata}->{$type}; | |
045ae0a7 | 82 | |
1dc01b9f DM |
83 | my $def_format = 'raw'; |
84 | my $valid_formats = [ $def_format ]; | |
85 | ||
86 | if (defined($def->{format})) { | |
87 | $def_format = $scfg->{format} || $def->{format}->[1]; | |
88 | $valid_formats = [ sort keys %{$def->{format}->[0]} ]; | |
89 | } | |
045ae0a7 | 90 | |
1dc01b9f DM |
91 | return wantarray ? ($def_format, $valid_formats) : $def_format; |
92 | } | |
93 | ||
94 | PVE::JSONSchema::register_format('pve-storage-path', \&verify_path); | |
95 | sub verify_path { | |
96 | my ($path, $noerr) = @_; | |
97 | ||
98 | # fixme: exclude more shell meta characters? | |
99 | # we need absolute paths | |
100 | if ($path !~ m|^/[^;\(\)]+|) { | |
101 | return undef if $noerr; | |
102 | die "value does not look like a valid absolute path\n"; | |
103 | } | |
104 | return $path; | |
105 | } | |
106 | ||
107 | PVE::JSONSchema::register_format('pve-storage-server', \&verify_server); | |
108 | sub verify_server { | |
109 | my ($server, $noerr) = @_; | |
110 | ||
6bf617a9 WB |
111 | if (!(PVE::JSONSchema::pve_verify_ip($server, 1) || |
112 | PVE::JSONSchema::pve_verify_dns_name($server, 1))) | |
113 | { | |
1dc01b9f DM |
114 | return undef if $noerr; |
115 | die "value does not look like a valid server name or IP address\n"; | |
116 | } | |
117 | return $server; | |
118 | } | |
119 | ||
5dca5c7c DM |
120 | PVE::JSONSchema::register_format('pve-storage-vgname', \&parse_lvm_name); |
121 | sub parse_lvm_name { | |
122 | my ($name, $noerr) = @_; | |
123 | ||
124 | if ($name !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) { | |
125 | return undef if $noerr; | |
126 | die "lvm name '$name' contains illegal characters\n"; | |
127 | } | |
128 | ||
129 | return $name; | |
130 | } | |
131 | ||
1dc01b9f DM |
132 | # fixme: do we need this |
133 | #PVE::JSONSchema::register_format('pve-storage-portal', \&verify_portal); | |
134 | #sub verify_portal { | |
135 | # my ($portal, $noerr) = @_; | |
136 | # | |
137 | # # IP with optional port | |
138 | # if ($portal !~ m/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(:\d+)?$/) { | |
139 | # return undef if $noerr; | |
140 | # die "value does not look like a valid portal address\n"; | |
141 | # } | |
142 | # return $portal; | |
143 | #} | |
144 | ||
145 | PVE::JSONSchema::register_format('pve-storage-portal-dns', \&verify_portal_dns); | |
146 | sub verify_portal_dns { | |
147 | my ($portal, $noerr) = @_; | |
148 | ||
149 | # IP or DNS name with optional port | |
1689e627 | 150 | if (!PVE::Tools::parse_host_and_port($portal)) { |
1dc01b9f DM |
151 | return undef if $noerr; |
152 | die "value does not look like a valid portal address\n"; | |
153 | } | |
154 | return $portal; | |
155 | } | |
156 | ||
157 | PVE::JSONSchema::register_format('pve-storage-content', \&verify_content); | |
158 | sub verify_content { | |
159 | my ($ct, $noerr) = @_; | |
160 | ||
161 | my $valid_content = valid_content_types('dir'); # dir includes all types | |
045ae0a7 | 162 | |
1dc01b9f DM |
163 | if (!$valid_content->{$ct}) { |
164 | return undef if $noerr; | |
165 | die "invalid content type '$ct'\n"; | |
166 | } | |
167 | ||
168 | return $ct; | |
169 | } | |
170 | ||
171 | PVE::JSONSchema::register_format('pve-storage-format', \&verify_format); | |
172 | sub verify_format { | |
173 | my ($fmt, $noerr) = @_; | |
174 | ||
35533c68 | 175 | if ($fmt !~ m/(raw|qcow2|vmdk|subvol)/) { |
1dc01b9f DM |
176 | return undef if $noerr; |
177 | die "invalid format '$fmt'\n"; | |
178 | } | |
179 | ||
180 | return $fmt; | |
181 | } | |
182 | ||
183 | PVE::JSONSchema::register_format('pve-storage-options', \&verify_options); | |
184 | sub verify_options { | |
185 | my ($value, $noerr) = @_; | |
186 | ||
187 | # mount options (see man fstab) | |
188 | if ($value !~ m/^\S+$/) { | |
189 | return undef if $noerr; | |
190 | die "invalid options '$value'\n"; | |
191 | } | |
192 | ||
193 | return $value; | |
194 | } | |
195 | ||
a7f3d909 DM |
196 | PVE::JSONSchema::register_format('pve-volume-id', \&parse_volume_id); |
197 | sub parse_volume_id { | |
198 | my ($volid, $noerr) = @_; | |
199 | ||
200 | if ($volid =~ m/^([a-z][a-z0-9\-\_\.]*[a-z0-9]):(.+)$/i) { | |
201 | return wantarray ? ($1, $2) : $1; | |
202 | } | |
203 | return undef if $noerr; | |
204 | die "unable to parse volume ID '$volid'\n"; | |
205 | } | |
206 | ||
1dc01b9f DM |
207 | |
208 | sub private { | |
209 | return $defaultData; | |
210 | } | |
211 | ||
212 | sub parse_section_header { | |
213 | my ($class, $line) = @_; | |
214 | ||
215 | if ($line =~ m/^(\S+):\s*(\S+)\s*$/) { | |
216 | my ($type, $storeid) = (lc($1), $2); | |
217 | my $errmsg = undef; # set if you want to skip whole section | |
218 | eval { PVE::JSONSchema::parse_storage_id($storeid); }; | |
219 | $errmsg = $@ if $@; | |
220 | my $config = {}; # to return additional attributes | |
221 | return ($type, $storeid, $errmsg, $config); | |
222 | } | |
223 | return undef; | |
224 | } | |
225 | ||
226 | sub decode_value { | |
227 | my ($class, $type, $key, $value) = @_; | |
228 | ||
229 | my $def = $defaultData->{plugindata}->{$type}; | |
230 | ||
231 | if ($key eq 'content') { | |
232 | my $valid_content = $def->{content}->[0]; | |
045ae0a7 | 233 | |
1dc01b9f DM |
234 | my $res = {}; |
235 | ||
236 | foreach my $c (PVE::Tools::split_list($value)) { | |
237 | if (!$valid_content->{$c}) { | |
703de49e WL |
238 | warn "storage does not support content type '$c'\n"; |
239 | next; | |
1dc01b9f DM |
240 | } |
241 | $res->{$c} = 1; | |
045ae0a7 | 242 | } |
1dc01b9f DM |
243 | |
244 | if ($res->{none} && scalar (keys %$res) > 1) { | |
245 | die "unable to combine 'none' with other content types\n"; | |
246 | } | |
247 | ||
248 | return $res; | |
249 | } elsif ($key eq 'format') { | |
250 | my $valid_formats = $def->{format}->[0]; | |
251 | ||
252 | if (!$valid_formats->{$value}) { | |
703de49e WL |
253 | warn "storage does not support format '$value'\n"; |
254 | next; | |
1dc01b9f DM |
255 | } |
256 | ||
257 | return $value; | |
258 | } elsif ($key eq 'nodes') { | |
259 | my $res = {}; | |
260 | ||
261 | foreach my $node (PVE::Tools::split_list($value)) { | |
262 | if (PVE::JSONSchema::pve_verify_node_name($node)) { | |
263 | $res->{$node} = 1; | |
264 | } | |
265 | } | |
266 | ||
267 | # fixme: | |
268 | # no node restrictions for local storage | |
269 | #if ($storeid && $storeid eq 'local' && scalar(keys(%$res))) { | |
270 | # die "storage '$storeid' does not allow node restrictions\n"; | |
271 | #} | |
272 | ||
273 | return $res; | |
274 | } | |
275 | ||
276 | return $value; | |
277 | } | |
278 | ||
279 | sub encode_value { | |
280 | my ($class, $type, $key, $value) = @_; | |
281 | ||
282 | if ($key eq 'nodes') { | |
283 | return join(',', keys(%$value)); | |
284 | } elsif ($key eq 'content') { | |
285 | my $res = content_hash_to_string($value) || 'none'; | |
286 | return $res; | |
287 | } | |
288 | ||
289 | return $value; | |
290 | } | |
291 | ||
292 | sub parse_config { | |
293 | my ($class, $filename, $raw) = @_; | |
294 | ||
295 | my $cfg = $class->SUPER::parse_config($filename, $raw); | |
296 | my $ids = $cfg->{ids}; | |
297 | ||
298 | # make sure we have a reasonable 'local:' storage | |
dc6ff39f | 299 | # we want 'local' to be always the same 'type' (on all cluster nodes) |
1dc01b9f DM |
300 | if (!$ids->{local} || $ids->{local}->{type} ne 'dir' || |
301 | ($ids->{local}->{path} && $ids->{local}->{path} ne '/var/lib/vz')) { | |
302 | $ids->{local} = { | |
303 | type => 'dir', | |
304 | priority => 0, # force first entry | |
305 | path => '/var/lib/vz', | |
306 | maxfiles => 0, | |
307 | content => { images => 1, rootdir => 1, vztmpl => 1, iso => 1}, | |
308 | }; | |
309 | } | |
045ae0a7 | 310 | |
1dc01b9f DM |
311 | # make sure we have a path |
312 | $ids->{local}->{path} = '/var/lib/vz' if !$ids->{local}->{path}; | |
313 | ||
314 | # remove node restrictions for local storage | |
315 | delete($ids->{local}->{nodes}); | |
316 | ||
317 | foreach my $storeid (keys %$ids) { | |
318 | my $d = $ids->{$storeid}; | |
319 | my $type = $d->{type}; | |
320 | ||
321 | my $def = $defaultData->{plugindata}->{$type}; | |
322 | ||
323 | if ($def->{content}) { | |
324 | $d->{content} = $def->{content}->[1] if !$d->{content}; | |
325 | } | |
326 | ||
d26e1891 | 327 | 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 |
328 | $d->{shared} = 1; |
329 | } | |
330 | } | |
331 | ||
332 | return $cfg; | |
333 | } | |
334 | ||
335 | # Storage implementation | |
336 | ||
337 | sub cluster_lock_storage { | |
338 | my ($class, $storeid, $shared, $timeout, $func, @param) = @_; | |
339 | ||
340 | my $res; | |
341 | if (!$shared) { | |
342 | my $lockid = "pve-storage-$storeid"; | |
343 | my $lockdir = "/var/lock/pve-manager"; | |
344 | mkdir $lockdir; | |
045ae0a7 | 345 | $res = PVE::Tools::lock_file("$lockdir/$lockid", $timeout, $func, @param); |
1dc01b9f DM |
346 | die $@ if $@; |
347 | } else { | |
348 | $res = PVE::Cluster::cfs_lock_storage($storeid, $timeout, $func, @param); | |
349 | die $@ if $@; | |
045ae0a7 | 350 | } |
1dc01b9f DM |
351 | return $res; |
352 | } | |
353 | ||
354 | sub parse_name_dir { | |
355 | my $name = shift; | |
356 | ||
35533c68 DM |
357 | if ($name =~ m!^((base-)?[^/\s]+\.(raw|qcow2|vmdk|subvol))$!) { |
358 | return ($1, $3, $2); # (name, format, isBase) | |
1dc01b9f DM |
359 | } |
360 | ||
361 | die "unable to parse volume filename '$name'\n"; | |
362 | } | |
363 | ||
364 | sub parse_volname { | |
365 | my ($class, $volname) = @_; | |
366 | ||
2502b33b DM |
367 | if ($volname =~ m!^(\d+)/(\S+)/(\d+)/(\S+)$!) { |
368 | my ($basedvmid, $basename) = ($1, $2); | |
369 | parse_name_dir($basename); | |
370 | my ($vmid, $name) = ($3, $4); | |
35533c68 DM |
371 | my (undef, $format, $isBase) = parse_name_dir($name); |
372 | return ('images', $name, $vmid, $basename, $basedvmid, $isBase, $format); | |
2502b33b | 373 | } elsif ($volname =~ m!^(\d+)/(\S+)$!) { |
1dc01b9f | 374 | my ($vmid, $name) = ($1, $2); |
35533c68 DM |
375 | my (undef, $format, $isBase) = parse_name_dir($name); |
376 | return ('images', $name, $vmid, undef, undef, $isBase, $format); | |
1dc01b9f DM |
377 | } elsif ($volname =~ m!^iso/([^/]+\.[Ii][Ss][Oo])$!) { |
378 | return ('iso', $1); | |
13d2cb79 | 379 | } elsif ($volname =~ m!^vztmpl/([^/]+\.tar\.[gx]z)$!) { |
1dc01b9f DM |
380 | return ('vztmpl', $1); |
381 | } elsif ($volname =~ m!^rootdir/(\d+)$!) { | |
382 | return ('rootdir', $1, $1); | |
a22854e5 | 383 | } elsif ($volname =~ m!^backup/([^/]+(\.(tar|tar\.gz|tar\.lzo|tgz|vma|vma\.gz|vma\.lzo)))$!) { |
1dc01b9f | 384 | my $fn = $1; |
4cb6e060 | 385 | if ($fn =~ m/^vzdump-(openvz|lxc|qemu)-(\d+)-.+/) { |
1dc01b9f DM |
386 | return ('backup', $fn, $2); |
387 | } | |
388 | return ('backup', $fn); | |
389 | } | |
390 | ||
391 | die "unable to parse directory volume name '$volname'\n"; | |
392 | } | |
393 | ||
045ae0a7 | 394 | my $vtype_subdirs = { |
1dc01b9f DM |
395 | images => 'images', |
396 | rootdir => 'private', | |
397 | iso => 'template/iso', | |
398 | vztmpl => 'template/cache', | |
399 | backup => 'dump', | |
400 | }; | |
401 | ||
402 | sub get_subdir { | |
403 | my ($class, $scfg, $vtype) = @_; | |
404 | ||
405 | my $path = $scfg->{path}; | |
406 | ||
407 | die "storage definintion has no path\n" if !$path; | |
408 | ||
409 | my $subdir = $vtype_subdirs->{$vtype}; | |
410 | ||
411 | die "unknown vtype '$vtype'\n" if !defined($subdir); | |
412 | ||
045ae0a7 | 413 | return "$path/$subdir"; |
1dc01b9f DM |
414 | } |
415 | ||
08480ce7 | 416 | sub filesystem_path { |
e67069eb | 417 | my ($class, $scfg, $volname, $snapname) = @_; |
1dc01b9f | 418 | |
e67069eb DM |
419 | my ($vtype, $name, $vmid, undef, undef, $isBase, $format) = |
420 | $class->parse_volname($volname); | |
421 | ||
422 | # Note: qcow2/qed has internal snapshot, so path is always | |
423 | # the same (with or without snapshot => same file). | |
424 | die "can't snapshot this image format\n" | |
425 | if defined($snapname) && $format !~ m/^(qcow2|qed)$/; | |
1dc01b9f DM |
426 | |
427 | my $dir = $class->get_subdir($scfg, $vtype); | |
428 | ||
429 | $dir .= "/$vmid" if $vtype eq 'images'; | |
430 | ||
431 | my $path = "$dir/$name"; | |
432 | ||
433 | return wantarray ? ($path, $vmid, $vtype) : $path; | |
434 | } | |
435 | ||
08480ce7 | 436 | sub path { |
e67069eb | 437 | my ($class, $scfg, $volname, $storeid, $snapname) = @_; |
08480ce7 | 438 | |
e67069eb | 439 | return $class->filesystem_path($scfg, $volname, $snapname); |
08480ce7 DM |
440 | } |
441 | ||
2502b33b DM |
442 | sub create_base { |
443 | my ($class, $storeid, $scfg, $volname) = @_; | |
444 | ||
445 | # this only works for file based storage types | |
446 | die "storage definintion has no path\n" if !$scfg->{path}; | |
447 | ||
35533c68 | 448 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) = |
2502b33b DM |
449 | $class->parse_volname($volname); |
450 | ||
451 | die "create_base on wrong vtype '$vtype'\n" if $vtype ne 'images'; | |
452 | ||
453 | die "create_base not possible with base image\n" if $isBase; | |
454 | ||
08480ce7 | 455 | my $path = $class->filesystem_path($scfg, $volname); |
2502b33b | 456 | |
35533c68 DM |
457 | my ($size, undef, $used, $parent) = file_size_info($path); |
458 | die "file_size_info on '$volname' failed\n" if !($format && defined($size)); | |
2502b33b DM |
459 | |
460 | die "volname '$volname' contains wrong information about parent\n" | |
461 | if $basename && (!$parent || $parent ne "../$basevmid/$basename"); | |
462 | ||
463 | my $newname = $name; | |
464 | $newname =~ s/^vm-/base-/; | |
465 | ||
466 | my $newvolname = $basename ? "$basevmid/$basename/$vmid/$newname" : | |
467 | "$vmid/$newname"; | |
468 | ||
08480ce7 | 469 | my $newpath = $class->filesystem_path($scfg, $newvolname); |
2502b33b DM |
470 | |
471 | die "file '$newpath' already exists\n" if -f $newpath; | |
472 | ||
1a3459ac | 473 | rename($path, $newpath) || |
2502b33b DM |
474 | die "rename '$path' to '$newpath' failed - $!\n"; |
475 | ||
c803c396 | 476 | # We try to protect base volume |
2502b33b | 477 | |
c803c396 DM |
478 | chmod(0444, $newpath); # nobody should write anything |
479 | ||
480 | # also try to set immutable flag | |
481 | eval { run_command(['/usr/bin/chattr', '+i', $newpath]); }; | |
482 | warn $@ if $@; | |
1a3459ac | 483 | |
2502b33b DM |
484 | return $newvolname; |
485 | } | |
486 | ||
487 | my $find_free_diskname = sub { | |
488 | my ($imgdir, $vmid, $fmt) = @_; | |
489 | ||
490 | my $disk_ids = {}; | |
1a3459ac | 491 | PVE::Tools::dir_glob_foreach($imgdir, |
2502b33b DM |
492 | qr!(vm|base)-$vmid-disk-(\d+)\..*!, |
493 | sub { | |
1a3459ac | 494 | my ($fn, $type, $disk) = @_; |
2502b33b DM |
495 | $disk_ids->{$disk} = 1; |
496 | }); | |
497 | ||
498 | for (my $i = 1; $i < 100; $i++) { | |
499 | if (!$disk_ids->{$i}) { | |
500 | return "vm-$vmid-disk-$i.$fmt"; | |
501 | } | |
502 | } | |
503 | ||
504 | die "unable to allocate a new image name for VM $vmid in '$imgdir'\n"; | |
505 | }; | |
506 | ||
507 | sub clone_image { | |
f236eaf8 | 508 | my ($class, $scfg, $storeid, $volname, $vmid, $snap) = @_; |
2502b33b DM |
509 | |
510 | # this only works for file based storage types | |
511 | die "storage definintion has no path\n" if !$scfg->{path}; | |
512 | ||
35533c68 | 513 | my ($vtype, $basename, $basevmid, undef, undef, $isBase, $format) = |
2502b33b DM |
514 | $class->parse_volname($volname); |
515 | ||
516 | die "clone_image on wrong vtype '$vtype'\n" if $vtype ne 'images'; | |
517 | ||
f236eaf8 SP |
518 | die "this storage type does not support clone_image on snapshot\n" if $snap; |
519 | ||
35533c68 DM |
520 | die "this storage type does not support clone_image on subvolumes\n" if $format eq 'subvol'; |
521 | ||
f236eaf8 | 522 | die "clone_image only works on base images\n" if !$isBase; |
1dc01b9f DM |
523 | |
524 | my $imagedir = $class->get_subdir($scfg, 'images'); | |
525 | $imagedir .= "/$vmid"; | |
526 | ||
527 | mkpath $imagedir; | |
528 | ||
2502b33b DM |
529 | my $name = &$find_free_diskname($imagedir, $vmid, "qcow2"); |
530 | ||
531 | warn "clone $volname: $vtype, $name, $vmid to $name (base=../$basevmid/$basename)\n"; | |
532 | ||
533 | my $newvol = "$basevmid/$basename/$vmid/$name"; | |
534 | ||
08480ce7 | 535 | my $path = $class->filesystem_path($scfg, $newvol); |
2502b33b | 536 | |
1a3459ac | 537 | # Note: we use relative paths, so we need to call chdir before qemu-img |
2502b33b | 538 | eval { |
7fc619d5 | 539 | local $CWD = $imagedir; |
2502b33b | 540 | |
1a3459ac | 541 | my $cmd = ['/usr/bin/qemu-img', 'create', '-b', "../$basevmid/$basename", |
2502b33b | 542 | '-f', 'qcow2', $path]; |
1a3459ac | 543 | |
2502b33b DM |
544 | run_command($cmd); |
545 | }; | |
546 | my $err = $@; | |
1dc01b9f | 547 | |
2502b33b DM |
548 | die $err if $err; |
549 | ||
550 | return $newvol; | |
551 | } | |
552 | ||
553 | sub alloc_image { | |
554 | my ($class, $storeid, $scfg, $vmid, $fmt, $name, $size) = @_; | |
555 | ||
556 | my $imagedir = $class->get_subdir($scfg, 'images'); | |
557 | $imagedir .= "/$vmid"; | |
558 | ||
559 | mkpath $imagedir; | |
560 | ||
561 | $name = &$find_free_diskname($imagedir, $vmid, $fmt) if !$name; | |
1a3459ac | 562 | |
1dc01b9f DM |
563 | my (undef, $tmpfmt) = parse_name_dir($name); |
564 | ||
045ae0a7 | 565 | die "illegal name '$name' - wrong extension for format ('$tmpfmt != '$fmt')\n" |
1dc01b9f DM |
566 | if $tmpfmt ne $fmt; |
567 | ||
568 | my $path = "$imagedir/$name"; | |
569 | ||
570 | die "disk image '$path' already exists\n" if -e $path; | |
571 | ||
35533c68 DM |
572 | if ($fmt eq 'subvol') { |
573 | # only allow this if size = 0, so that user knows what he is doing | |
574 | die "storage does not support subvol quotas\n" if $size != 0; | |
575 | ||
1f5734bb WB |
576 | my $old_umask = umask(0022); |
577 | my $err; | |
578 | mkdir($path) or $err = "unable to create subvol '$path' - $!\n"; | |
579 | umask $old_umask; | |
580 | die $err if $err; | |
35533c68 DM |
581 | } else { |
582 | my $cmd = ['/usr/bin/qemu-img', 'create']; | |
045ae0a7 | 583 | |
35533c68 DM |
584 | push @$cmd, '-o', 'preallocation=metadata' if $fmt eq 'qcow2'; |
585 | ||
586 | push @$cmd, '-f', $fmt, $path, "${size}K"; | |
1dc01b9f | 587 | |
35533c68 DM |
588 | run_command($cmd, errmsg => "unable to create image"); |
589 | } | |
590 | ||
1dc01b9f DM |
591 | return "$vmid/$name"; |
592 | } | |
593 | ||
594 | sub free_image { | |
35533c68 | 595 | my ($class, $storeid, $scfg, $volname, $isBase, $format) = @_; |
1dc01b9f | 596 | |
08480ce7 | 597 | my $path = $class->filesystem_path($scfg, $volname); |
1dc01b9f | 598 | |
35533c68 DM |
599 | if ($format eq 'subvol') { |
600 | File::Path::remove_tree($path); | |
601 | } else { | |
602 | ||
603 | if (! -f $path) { | |
604 | warn "disk image '$path' does not exists\n"; | |
605 | return undef; | |
606 | } | |
1dc01b9f | 607 | |
35533c68 DM |
608 | if ($isBase) { |
609 | # try to remove immutable flag | |
610 | eval { run_command(['/usr/bin/chattr', '-i', $path]); }; | |
611 | warn $@ if $@; | |
612 | } | |
a7f3d909 | 613 | |
35533c68 DM |
614 | unlink($path) || die "unlink '$path' failed - $!\n"; |
615 | } | |
616 | ||
1dc01b9f DM |
617 | return undef; |
618 | } | |
619 | ||
620 | sub file_size_info { | |
621 | my ($filename, $timeout) = @_; | |
622 | ||
35533c68 DM |
623 | if (-d $filename) { |
624 | return wantarray ? (0, 'subvol', 0, undef) : 1; | |
625 | } | |
626 | ||
1dc01b9f DM |
627 | my $cmd = ['/usr/bin/qemu-img', 'info', $filename]; |
628 | ||
629 | my $format; | |
73b7847e | 630 | my $parent; |
1dc01b9f DM |
631 | my $size = 0; |
632 | my $used = 0; | |
633 | ||
634 | eval { | |
635 | run_command($cmd, timeout => $timeout, outfunc => sub { | |
636 | my $line = shift; | |
1dc01b9f DM |
637 | if ($line =~ m/^file format:\s+(\S+)\s*$/) { |
638 | $format = $1; | |
73b7847e AD |
639 | } elsif ($line =~ m/^backing file:\s(\S+)\s/) { |
640 | $parent = $1; | |
1dc01b9f DM |
641 | } elsif ($line =~ m/^virtual size:\s\S+\s+\((\d+)\s+bytes\)$/) { |
642 | $size = int($1); | |
643 | } elsif ($line =~ m/^disk size:\s+(\d+(.\d+)?)([KMGT])\s*$/) { | |
644 | $used = $1; | |
645 | my $u = $3; | |
646 | ||
647 | $used *= 1024 if $u eq 'K'; | |
648 | $used *= (1024*1024) if $u eq 'M'; | |
649 | $used *= (1024*1024*1024) if $u eq 'G'; | |
650 | $used *= (1024*1024*1024*1024) if $u eq 'T'; | |
651 | ||
652 | $used = int($used); | |
653 | } | |
654 | }); | |
655 | }; | |
656 | ||
73b7847e | 657 | return wantarray ? ($size, $format, $used, $parent) : $size; |
1dc01b9f DM |
658 | } |
659 | ||
e47e548e AD |
660 | sub volume_size_info { |
661 | my ($class, $scfg, $storeid, $volname, $timeout) = @_; | |
08480ce7 | 662 | my $path = $class->filesystem_path($scfg, $volname); |
e47e548e AD |
663 | return file_size_info($path, $timeout); |
664 | ||
665 | } | |
666 | ||
81f5058c AD |
667 | sub volume_resize { |
668 | my ($class, $scfg, $storeid, $volname, $size, $running) = @_; | |
669 | ||
6d788031 | 670 | die "can't resize this image format\n" if $volname !~ m/\.(raw|qcow2)$/; |
81f5058c AD |
671 | |
672 | return 1 if $running; | |
673 | ||
08480ce7 | 674 | my $path = $class->filesystem_path($scfg, $volname); |
81f5058c | 675 | |
0589e5f9 WL |
676 | my $format = ($class->parse_volname($volname))[6]; |
677 | ||
678 | my $cmd = ['/usr/bin/qemu-img', 'resize', '-f', $format, $path , $size]; | |
81f5058c | 679 | |
1059cc99 | 680 | run_command($cmd, timeout => 10); |
81f5058c AD |
681 | |
682 | return undef; | |
683 | } | |
684 | ||
7dcb0697 | 685 | sub volume_snapshot { |
f5640e7d | 686 | my ($class, $scfg, $storeid, $volname, $snap) = @_; |
7dcb0697 | 687 | |
6d788031 | 688 | die "can't snapshot this image format\n" if $volname !~ m/\.(qcow2|qed)$/; |
7dcb0697 | 689 | |
08480ce7 | 690 | my $path = $class->filesystem_path($scfg, $volname); |
7dcb0697 AD |
691 | |
692 | my $cmd = ['/usr/bin/qemu-img', 'snapshot','-c', $snap, $path]; | |
693 | ||
3f13fd7d | 694 | run_command($cmd); |
7dcb0697 AD |
695 | |
696 | return undef; | |
697 | } | |
698 | ||
1597f1f9 WL |
699 | sub volume_rollback_is_possible { |
700 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
701 | ||
702 | return 1; | |
703 | } | |
704 | ||
41dffa85 AD |
705 | sub volume_snapshot_rollback { |
706 | my ($class, $scfg, $storeid, $volname, $snap) = @_; | |
707 | ||
6d788031 | 708 | die "can't rollback snapshot this image format\n" if $volname !~ m/\.(qcow2|qed)$/; |
41dffa85 | 709 | |
08480ce7 | 710 | my $path = $class->filesystem_path($scfg, $volname); |
41dffa85 AD |
711 | |
712 | my $cmd = ['/usr/bin/qemu-img', 'snapshot','-a', $snap, $path]; | |
713 | ||
3f13fd7d | 714 | run_command($cmd); |
41dffa85 AD |
715 | |
716 | return undef; | |
717 | } | |
718 | ||
6000a061 AD |
719 | sub volume_snapshot_delete { |
720 | my ($class, $scfg, $storeid, $volname, $snap, $running) = @_; | |
721 | ||
6d788031 | 722 | die "can't delete snapshot for this image format\n" if $volname !~ m/\.(qcow2|qed)$/; |
6000a061 AD |
723 | |
724 | return 1 if $running; | |
725 | ||
08480ce7 | 726 | my $path = $class->filesystem_path($scfg, $volname); |
6000a061 | 727 | |
399581a2 WB |
728 | $class->deactivate_volume($storeid, $scfg, $volname, $snap, {}); |
729 | ||
6000a061 AD |
730 | my $cmd = ['/usr/bin/qemu-img', 'snapshot','-d', $snap, $path]; |
731 | ||
3f13fd7d | 732 | run_command($cmd); |
6000a061 AD |
733 | |
734 | return undef; | |
735 | } | |
736 | ||
f884fe11 AD |
737 | sub volume_has_feature { |
738 | my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_; | |
739 | ||
740 | my $features = { | |
5649ccfe AD |
741 | snapshot => { current => { qcow2 => 1}, snap => { qcow2 => 1} }, |
742 | clone => { base => {qcow2 => 1, raw => 1, vmdk => 1} }, | |
35533c68 | 743 | template => { current => {qcow2 => 1, raw => 1, vmdk => 1, subvol => 1} }, |
5649ccfe | 744 | copy => { base => {qcow2 => 1, raw => 1, vmdk => 1}, |
22b8cf97 AD |
745 | current => {qcow2 => 1, raw => 1, vmdk => 1}, |
746 | snap => {qcow2 => 1} }, | |
baafddbd DC |
747 | sparseinit => { base => {qcow2 => 1, raw => 1, vmdk => 1}, |
748 | current => {qcow2 => 1, raw => 1, vmdk => 1} }, | |
f884fe11 AD |
749 | }; |
750 | ||
35533c68 | 751 | my ($vtype, $name, $vmid, $basename, $basevmid, $isBase, $format) = |
dc4f2cb3 AD |
752 | $class->parse_volname($volname); |
753 | ||
dc4f2cb3 AD |
754 | my $key = undef; |
755 | if($snapname){ | |
2c5a7097 | 756 | $key = 'snap'; |
dc4f2cb3 AD |
757 | }else{ |
758 | $key = $isBase ? 'base' : 'current'; | |
f884fe11 | 759 | } |
dc4f2cb3 AD |
760 | |
761 | return 1 if defined($features->{$feature}->{$key}->{$format}); | |
762 | ||
f884fe11 AD |
763 | return undef; |
764 | } | |
765 | ||
1dc01b9f DM |
766 | sub list_images { |
767 | my ($class, $storeid, $scfg, $vmid, $vollist, $cache) = @_; | |
768 | ||
769 | my $imagedir = $class->get_subdir($scfg, 'images'); | |
770 | ||
771 | my ($defFmt, $vaidFmts) = default_format($scfg); | |
045ae0a7 | 772 | my $fmts = join ('|', @$vaidFmts); |
1dc01b9f DM |
773 | |
774 | my $res = []; | |
775 | ||
776 | foreach my $fn (<$imagedir/[0-9][0-9]*/*>) { | |
777 | ||
778 | next if $fn !~ m!^(/.+/(\d+)/([^/]+\.($fmts)))$!; | |
779 | $fn = $1; # untaint | |
780 | ||
781 | my $owner = $2; | |
782 | my $name = $3; | |
1dc01b9f | 783 | |
2502b33b | 784 | next if !$vollist && defined($vmid) && ($owner ne $vmid); |
1dc01b9f | 785 | |
73b7847e | 786 | my ($size, $format, $used, $parent) = file_size_info($fn); |
35533c68 | 787 | next if !($format && defined($size)); |
2502b33b DM |
788 | |
789 | my $volid; | |
790 | if ($parent && $parent =~ m!^../(\d+)/([^/]+\.($fmts))$!) { | |
791 | my ($basevmid, $basename) = ($1, $2); | |
792 | $volid = "$storeid:$basevmid/$basename/$owner/$name"; | |
793 | } else { | |
794 | $volid = "$storeid:$owner/$name"; | |
795 | } | |
1dc01b9f | 796 | |
2502b33b DM |
797 | if ($vollist) { |
798 | my $found = grep { $_ eq $volid } @$vollist; | |
799 | next if !$found; | |
1dc01b9f DM |
800 | } |
801 | ||
2502b33b DM |
802 | push @$res, { |
803 | volid => $volid, format => $format, | |
1a3459ac | 804 | size => $size, vmid => $owner, used => $used, parent => $parent |
2502b33b | 805 | }; |
1dc01b9f DM |
806 | } |
807 | ||
808 | return $res; | |
809 | } | |
810 | ||
811 | sub status { | |
812 | my ($class, $storeid, $scfg, $cache) = @_; | |
813 | ||
814 | my $path = $scfg->{path}; | |
815 | ||
816 | die "storage definintion has no path\n" if !$path; | |
045ae0a7 | 817 | |
1dc01b9f DM |
818 | my $timeout = 2; |
819 | my $res = PVE::Tools::df($path, $timeout); | |
820 | ||
821 | return undef if !$res || !$res->{total}; | |
822 | ||
823 | return ($res->{total}, $res->{avail}, $res->{used}, 1); | |
824 | } | |
825 | ||
826 | sub activate_storage { | |
827 | my ($class, $storeid, $scfg, $cache) = @_; | |
828 | ||
829 | my $path = $scfg->{path}; | |
830 | ||
831 | die "storage definintion has no path\n" if !$path; | |
832 | ||
833 | die "unable to activate storage '$storeid' - " . | |
834 | "directory '$path' does not exist\n" if ! -d $path; | |
835 | ||
836 | if (defined($scfg->{content})) { | |
837 | foreach my $vtype (keys %$vtype_subdirs) { | |
6bcc16d7 DM |
838 | # OpenVZMigrate uses backup (dump) dir |
839 | if (defined($scfg->{content}->{$vtype}) || | |
840 | ($vtype eq 'backup' && defined($scfg->{content}->{'rootdir'}))) { | |
841 | my $subdir = $class->get_subdir($scfg, $vtype); | |
842 | mkpath $subdir if $subdir ne $path; | |
843 | } | |
1dc01b9f DM |
844 | } |
845 | } | |
846 | } | |
847 | ||
848 | sub deactivate_storage { | |
849 | my ($class, $storeid, $scfg, $cache) = @_; | |
850 | ||
851 | # do nothing by default | |
852 | } | |
853 | ||
854 | sub activate_volume { | |
02e797b8 | 855 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
1dc01b9f | 856 | |
02e797b8 | 857 | my $path = $class->filesystem_path($scfg, $volname, $snapname); |
1dc01b9f DM |
858 | |
859 | # check is volume exists | |
860 | if ($scfg->{path}) { | |
861 | die "volume '$storeid:$volname' does not exist\n" if ! -e $path; | |
862 | } else { | |
863 | die "volume '$storeid:$volname' does not exist\n" if ! -b $path; | |
864 | } | |
865 | } | |
866 | ||
867 | sub deactivate_volume { | |
02e797b8 | 868 | my ($class, $storeid, $scfg, $volname, $snapname, $cache) = @_; |
1dc01b9f DM |
869 | |
870 | # do nothing by default | |
871 | } | |
872 | ||
c9eeac01 AD |
873 | sub check_connection { |
874 | my ($class, $storeid, $scfg) = @_; | |
875 | # do nothing by default | |
876 | return 1; | |
877 | } | |
878 | ||
e47e548e | 879 | |
1dc01b9f | 880 | 1; |