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Commit | Line | Data |
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b6cf0a66 DM |
1 | package PVE::Storage; |
2 | ||
3 | use strict; | |
4 | use POSIX; | |
5 | use IO::Select; | |
b6cf0a66 | 6 | use IO::File; |
b6cf0a66 DM |
7 | use File::Basename; |
8 | use File::Path; | |
b6cf0a66 | 9 | use Cwd 'abs_path'; |
7a2d5c1a | 10 | use Socket; |
b6cf0a66 | 11 | |
1dc01b9f DM |
12 | use PVE::Tools qw(run_command file_read_firstline); |
13 | use PVE::Cluster qw(cfs_read_file cfs_lock_file); | |
b6cf0a66 DM |
14 | use PVE::Exception qw(raise_param_exc); |
15 | use PVE::JSONSchema; | |
16 | use PVE::INotify; | |
88c3abaf | 17 | use PVE::RPCEnvironment; |
b6cf0a66 | 18 | |
1dc01b9f DM |
19 | use PVE::Storage::Plugin; |
20 | use PVE::Storage::DirPlugin; | |
21 | use PVE::Storage::LVMPlugin; | |
22 | use PVE::Storage::NFSPlugin; | |
23 | use PVE::Storage::ISCSIPlugin; | |
0509010d | 24 | use PVE::Storage::RBDPlugin; |
caf1960c | 25 | use PVE::Storage::SheepdogPlugin; |
86616554 DM |
26 | use PVE::Storage::ISCSIDirectPlugin; |
27 | use PVE::Storage::NexentaPlugin; | |
b6cf0a66 | 28 | |
1dc01b9f DM |
29 | # load and initialize all plugins |
30 | PVE::Storage::DirPlugin->register(); | |
31 | PVE::Storage::LVMPlugin->register(); | |
32 | PVE::Storage::NFSPlugin->register(); | |
33 | PVE::Storage::ISCSIPlugin->register(); | |
0509010d | 34 | PVE::Storage::RBDPlugin->register(); |
caf1960c | 35 | PVE::Storage::SheepdogPlugin->register(); |
86616554 DM |
36 | PVE::Storage::ISCSIDirectPlugin->register(); |
37 | PVE::Storage::NexentaPlugin->register(); | |
1dc01b9f | 38 | PVE::Storage::Plugin->init(); |
b6cf0a66 | 39 | |
1dc01b9f | 40 | my $UDEVADM = '/sbin/udevadm'; |
b6cf0a66 | 41 | |
1dc01b9f | 42 | # PVE::Storage utility functions |
b6cf0a66 DM |
43 | |
44 | sub config { | |
45 | return cfs_read_file("storage.cfg"); | |
46 | } | |
47 | ||
b6cf0a66 DM |
48 | sub lock_storage_config { |
49 | my ($code, $errmsg) = @_; | |
50 | ||
51 | cfs_lock_file("storage.cfg", undef, $code); | |
52 | my $err = $@; | |
53 | if ($err) { | |
54 | $errmsg ? die "$errmsg: $err" : die $err; | |
55 | } | |
56 | } | |
57 | ||
b6cf0a66 DM |
58 | sub storage_config { |
59 | my ($cfg, $storeid, $noerr) = @_; | |
60 | ||
61 | die "no storage id specified\n" if !$storeid; | |
62 | ||
63 | my $scfg = $cfg->{ids}->{$storeid}; | |
64 | ||
65 | die "storage '$storeid' does not exists\n" if (!$noerr && !$scfg); | |
66 | ||
67 | return $scfg; | |
68 | } | |
69 | ||
70 | sub storage_check_node { | |
71 | my ($cfg, $storeid, $node, $noerr) = @_; | |
72 | ||
1dc01b9f | 73 | my $scfg = storage_config($cfg, $storeid); |
b6cf0a66 DM |
74 | |
75 | if ($scfg->{nodes}) { | |
76 | $node = PVE::INotify::nodename() if !$node || ($node eq 'localhost'); | |
77 | if (!$scfg->{nodes}->{$node}) { | |
da156fb3 | 78 | die "storage '$storeid' is not available on node '$node'\n" if !$noerr; |
b6cf0a66 DM |
79 | return undef; |
80 | } | |
81 | } | |
82 | ||
83 | return $scfg; | |
84 | } | |
85 | ||
86 | sub storage_check_enabled { | |
87 | my ($cfg, $storeid, $node, $noerr) = @_; | |
88 | ||
1dc01b9f | 89 | my $scfg = storage_config($cfg, $storeid); |
b6cf0a66 DM |
90 | |
91 | if ($scfg->{disable}) { | |
92 | die "storage '$storeid' is disabled\n" if !$noerr; | |
93 | return undef; | |
94 | } | |
95 | ||
96 | return storage_check_node($cfg, $storeid, $node, $noerr); | |
97 | } | |
98 | ||
99 | sub storage_ids { | |
100 | my ($cfg) = @_; | |
101 | ||
1dc01b9f | 102 | return keys %{$cfg->{ids}}; |
b6cf0a66 DM |
103 | } |
104 | ||
1dc01b9f DM |
105 | sub file_size_info { |
106 | my ($filename, $timeout) = @_; | |
b6cf0a66 | 107 | |
1dc01b9f | 108 | return PVE::Storage::Plugin::file_size_info($filename, $timeout); |
b6cf0a66 DM |
109 | } |
110 | ||
20ccac1b AD |
111 | sub volume_size_info { |
112 | my ($cfg, $volid, $timeout) = @_; | |
113 | ||
f18199e5 DM |
114 | my ($storeid, $volname) = parse_volume_id($volid, 1); |
115 | if ($storeid) { | |
116 | my $scfg = storage_config($cfg, $storeid); | |
117 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
118 | return $plugin->volume_size_info($scfg, $storeid, $volname, $timeout); | |
119 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
120 | return file_size_info($volid, $timeout); | |
121 | } else { | |
122 | return 0; | |
123 | } | |
20ccac1b AD |
124 | } |
125 | ||
7e6c05dc AD |
126 | sub volume_resize { |
127 | my ($cfg, $volid, $size, $running) = @_; | |
128 | ||
129 | my ($storeid, $volname) = parse_volume_id($volid, 1); | |
130 | if ($storeid) { | |
131 | my $scfg = storage_config($cfg, $storeid); | |
132 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
133 | return $plugin->volume_resize($scfg, $storeid, $volname, $size, $running); | |
134 | } elsif ($volid =~ m|^(/.+)$| && -e $volid) { | |
135 | die "resize device is not possible"; | |
136 | } else { | |
137 | die "can't resize"; | |
138 | } | |
139 | } | |
140 | ||
1dc01b9f DM |
141 | sub get_image_dir { |
142 | my ($cfg, $storeid, $vmid) = @_; | |
b6cf0a66 | 143 | |
1dc01b9f DM |
144 | my $scfg = storage_config($cfg, $storeid); |
145 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
b6cf0a66 | 146 | |
1dc01b9f | 147 | my $path = $plugin->get_subdir($scfg, 'images'); |
b6cf0a66 | 148 | |
1dc01b9f | 149 | return $vmid ? "$path/$vmid" : $path; |
b6cf0a66 DM |
150 | } |
151 | ||
1dc01b9f | 152 | sub get_private_dir { |
b6cf0a66 DM |
153 | my ($cfg, $storeid, $vmid) = @_; |
154 | ||
1dc01b9f DM |
155 | my $scfg = storage_config($cfg, $storeid); |
156 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
b6cf0a66 | 157 | |
1dc01b9f | 158 | my $path = $plugin->get_subdir($scfg, 'rootdir'); |
d22a6133 | 159 | |
1dc01b9f | 160 | return $vmid ? "$path/$vmid" : $path; |
d22a6133 DM |
161 | } |
162 | ||
b6cf0a66 DM |
163 | sub get_iso_dir { |
164 | my ($cfg, $storeid) = @_; | |
165 | ||
1dc01b9f DM |
166 | my $scfg = storage_config($cfg, $storeid); |
167 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
b6cf0a66 | 168 | |
1dc01b9f | 169 | return $plugin->get_subdir($scfg, 'iso'); |
b6cf0a66 DM |
170 | } |
171 | ||
172 | sub get_vztmpl_dir { | |
173 | my ($cfg, $storeid) = @_; | |
174 | ||
1dc01b9f DM |
175 | my $scfg = storage_config($cfg, $storeid); |
176 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
b6cf0a66 | 177 | |
1dc01b9f | 178 | return $plugin->get_subdir($scfg, 'vztmpl'); |
b6cf0a66 DM |
179 | } |
180 | ||
568de3d1 DM |
181 | sub get_backup_dir { |
182 | my ($cfg, $storeid) = @_; | |
183 | ||
1dc01b9f DM |
184 | my $scfg = storage_config($cfg, $storeid); |
185 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
b6cf0a66 | 186 | |
1dc01b9f | 187 | return $plugin->get_subdir($scfg, 'backup'); |
b6cf0a66 DM |
188 | } |
189 | ||
190 | # library implementation | |
191 | ||
b6cf0a66 DM |
192 | sub parse_vmid { |
193 | my $vmid = shift; | |
194 | ||
195 | die "VMID '$vmid' contains illegal characters\n" if $vmid !~ m/^\d+$/; | |
196 | ||
197 | return int($vmid); | |
198 | } | |
199 | ||
200 | PVE::JSONSchema::register_format('pve-volume-id', \&parse_volume_id); | |
201 | sub parse_volume_id { | |
202 | my ($volid, $noerr) = @_; | |
203 | ||
204 | if ($volid =~ m/^([a-z][a-z0-9\-\_\.]*[a-z0-9]):(.+)$/i) { | |
205 | return wantarray ? ($1, $2) : $1; | |
206 | } | |
207 | return undef if $noerr; | |
208 | die "unable to parse volume ID '$volid'\n"; | |
209 | } | |
210 | ||
b6cf0a66 DM |
211 | # try to map a filesystem path to a volume identifier |
212 | sub path_to_volume_id { | |
213 | my ($cfg, $path) = @_; | |
214 | ||
215 | my $ids = $cfg->{ids}; | |
216 | ||
1dc01b9f | 217 | my ($sid, $volname) = parse_volume_id($path, 1); |
b6cf0a66 | 218 | if ($sid) { |
1dc01b9f DM |
219 | if (my $scfg = $ids->{$sid}) { |
220 | if (my $path = $scfg->{path}) { | |
221 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
222 | my ($vtype, $name, $vmid) = $plugin->parse_volname($volname); | |
b6cf0a66 DM |
223 | return ($vtype, $path); |
224 | } | |
225 | } | |
226 | return (''); | |
227 | } | |
228 | ||
75d75990 DM |
229 | # Note: abs_path() return undef if $path doesn not exist |
230 | # for example when nfs storage is not mounted | |
231 | $path = abs_path($path) || $path; | |
b6cf0a66 DM |
232 | |
233 | foreach my $sid (keys %$ids) { | |
1dc01b9f DM |
234 | my $scfg = $ids->{$sid}; |
235 | next if !$scfg->{path}; | |
236 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
237 | my $imagedir = $plugin->get_subdir($scfg, 'images'); | |
238 | my $isodir = $plugin->get_subdir($scfg, 'iso'); | |
239 | my $tmpldir = $plugin->get_subdir($scfg, 'vztmpl'); | |
240 | my $backupdir = $plugin->get_subdir($scfg, 'backup'); | |
241 | my $privatedir = $plugin->get_subdir($scfg, 'rootdir'); | |
b6cf0a66 DM |
242 | |
243 | if ($path =~ m!^$imagedir/(\d+)/([^/\s]+)$!) { | |
244 | my $vmid = $1; | |
245 | my $name = $2; | |
1dc01b9f | 246 | return ('images', "$sid:$vmid/$name"); |
b6cf0a66 DM |
247 | } elsif ($path =~ m!^$isodir/([^/]+\.[Ii][Ss][Oo])$!) { |
248 | my $name = $1; | |
249 | return ('iso', "$sid:iso/$name"); | |
250 | } elsif ($path =~ m!^$tmpldir/([^/]+\.tar\.gz)$!) { | |
251 | my $name = $1; | |
252 | return ('vztmpl', "$sid:vztmpl/$name"); | |
1ac17c74 DM |
253 | } elsif ($path =~ m!^$privatedir/(\d+)$!) { |
254 | my $vmid = $1; | |
255 | return ('rootdir', "$sid:rootdir/$vmid"); | |
88870923 | 256 | } elsif ($path =~ m!^$backupdir/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz))$!) { |
568de3d1 DM |
257 | my $name = $1; |
258 | return ('iso', "$sid:backup/$name"); | |
b6cf0a66 DM |
259 | } |
260 | } | |
261 | ||
262 | # can't map path to volume id | |
263 | return (''); | |
264 | } | |
265 | ||
266 | sub path { | |
267 | my ($cfg, $volid) = @_; | |
268 | ||
1dc01b9f | 269 | my ($storeid, $volname) = parse_volume_id($volid); |
b6cf0a66 | 270 | |
1dc01b9f | 271 | my $scfg = storage_config($cfg, $storeid); |
b6cf0a66 | 272 | |
1dc01b9f | 273 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); |
e5427b00 | 274 | my ($path, $owner, $vtype) = $plugin->path($scfg, $volname, $storeid); |
2494896a | 275 | return wantarray ? ($path, $owner, $vtype) : $path; |
b6cf0a66 DM |
276 | } |
277 | ||
278 | sub storage_migrate { | |
279 | my ($cfg, $volid, $target_host, $target_storeid, $target_volname) = @_; | |
280 | ||
6bf56298 | 281 | my ($storeid, $volname) = parse_volume_id($volid); |
b6cf0a66 DM |
282 | $target_volname = $volname if !$target_volname; |
283 | ||
6bf56298 | 284 | my $scfg = storage_config($cfg, $storeid); |
b6cf0a66 DM |
285 | |
286 | # no need to migrate shared content | |
287 | return if $storeid eq $target_storeid && $scfg->{shared}; | |
288 | ||
6bf56298 | 289 | my $tcfg = storage_config($cfg, $target_storeid); |
b6cf0a66 DM |
290 | |
291 | my $target_volid = "${target_storeid}:${target_volname}"; | |
292 | ||
293 | my $errstr = "unable to migrate '$volid' to '${target_volid}' on host '$target_host'"; | |
294 | ||
295 | # blowfish is a fast block cipher, much faster then 3des | |
296 | my $sshoptions = "-c blowfish -o 'BatchMode=yes'"; | |
297 | my $ssh = "/usr/bin/ssh $sshoptions"; | |
298 | ||
299 | local $ENV{RSYNC_RSH} = $ssh; | |
300 | ||
1dc01b9f DM |
301 | # only implemented for file system based storage |
302 | if ($scfg->{path}) { | |
303 | if ($tcfg->{path}) { | |
b6cf0a66 | 304 | |
1dc01b9f DM |
305 | my $src_plugin = PVE::Storage::Plugin->lookup($scfg->{type}); |
306 | my $dst_plugin = PVE::Storage::Plugin->lookup($tcfg->{type}); | |
6bf56298 DM |
307 | my $src = $src_plugin->path($scfg, $volname, $storeid); |
308 | my $dst = $dst_plugin->path($tcfg, $target_volname, $target_storeid); | |
b6cf0a66 | 309 | |
1dc01b9f | 310 | my $dirname = dirname($dst); |
b6cf0a66 DM |
311 | |
312 | if ($tcfg->{shared}) { # we can do a local copy | |
313 | ||
f81372ac | 314 | run_command(['/bin/mkdir', '-p', $dirname]); |
b6cf0a66 | 315 | |
1dc01b9f | 316 | run_command(['/bin/cp', $src, $dst]); |
b6cf0a66 | 317 | |
1dc01b9f | 318 | } else { |
b6cf0a66 | 319 | |
1dc01b9f DM |
320 | run_command(['/usr/bin/ssh', "root\@${target_host}", |
321 | '/bin/mkdir', '-p', $dirname]); | |
b6cf0a66 | 322 | |
1dc01b9f DM |
323 | # we use rsync with --sparse, so we can't use --inplace, |
324 | # so we remove file on the target if it already exists to | |
325 | # save space | |
326 | my ($size, $format) = PVE::Storage::Plugin::file_size_info($src); | |
327 | if ($format && ($format eq 'raw') && $size) { | |
328 | run_command(['/usr/bin/ssh', "root\@${target_host}", | |
329 | 'rm', '-f', $dst], | |
330 | outfunc => sub {}); | |
331 | } | |
b6cf0a66 | 332 | |
1dc01b9f DM |
333 | my $cmd = ['/usr/bin/rsync', '--progress', '--sparse', '--whole-file', |
334 | $src, "root\@${target_host}:$dst"]; | |
b6cf0a66 | 335 | |
1dc01b9f | 336 | my $percent = -1; |
b6cf0a66 | 337 | |
1dc01b9f DM |
338 | run_command($cmd, outfunc => sub { |
339 | my $line = shift; | |
b6cf0a66 | 340 | |
1dc01b9f DM |
341 | if ($line =~ m/^\s*(\d+\s+(\d+)%\s.*)$/) { |
342 | if ($2 > $percent) { | |
343 | $percent = $2; | |
344 | print "rsync status: $1\n"; | |
345 | *STDOUT->flush(); | |
346 | } | |
347 | } else { | |
348 | print "$line\n"; | |
349 | *STDOUT->flush(); | |
350 | } | |
351 | }); | |
352 | } | |
353 | } else { | |
354 | die "$errstr - target type '$tcfg->{type}' not implemented\n"; | |
355 | } | |
356 | } else { | |
357 | die "$errstr - source type '$scfg->{type}' not implemented\n"; | |
b6cf0a66 DM |
358 | } |
359 | } | |
360 | ||
1dc01b9f DM |
361 | sub vdisk_alloc { |
362 | my ($cfg, $storeid, $vmid, $fmt, $name, $size) = @_; | |
b6cf0a66 | 363 | |
1dc01b9f | 364 | die "no storage id specified\n" if !$storeid; |
b6cf0a66 | 365 | |
1dc01b9f | 366 | PVE::JSONSchema::parse_storage_id($storeid); |
b6cf0a66 | 367 | |
1dc01b9f | 368 | my $scfg = storage_config($cfg, $storeid); |
b6cf0a66 | 369 | |
1dc01b9f | 370 | die "no VMID specified\n" if !$vmid; |
b6cf0a66 | 371 | |
1dc01b9f | 372 | $vmid = parse_vmid($vmid); |
b6cf0a66 | 373 | |
1dc01b9f | 374 | my $defformat = PVE::Storage::Plugin::default_format($scfg); |
b6cf0a66 | 375 | |
1dc01b9f | 376 | $fmt = $defformat if !$fmt; |
b6cf0a66 | 377 | |
1dc01b9f | 378 | activate_storage($cfg, $storeid); |
3af60e62 | 379 | |
1dc01b9f | 380 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); |
b6cf0a66 | 381 | |
1dc01b9f DM |
382 | # lock shared storage |
383 | return $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
384 | my $volname = $plugin->alloc_image($storeid, $scfg, $vmid, $fmt, $name, $size); | |
385 | return "$storeid:$volname"; | |
386 | }); | |
b6cf0a66 DM |
387 | } |
388 | ||
1dc01b9f DM |
389 | sub vdisk_free { |
390 | my ($cfg, $volid) = @_; | |
b6cf0a66 | 391 | |
1dc01b9f | 392 | my ($storeid, $volname) = parse_volume_id($volid); |
b6cf0a66 | 393 | |
1dc01b9f | 394 | my $scfg = storage_config($cfg, $storeid); |
b6cf0a66 | 395 | |
1dc01b9f DM |
396 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); |
397 | ||
398 | activate_storage($cfg, $storeid); | |
b6cf0a66 | 399 | |
1dc01b9f | 400 | my $cleanup_worker; |
b6cf0a66 | 401 | |
1dc01b9f DM |
402 | # lock shared storage |
403 | $plugin->cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
404 | my $cleanup_worker = $plugin->free_image($storeid, $scfg, $volname); | |
405 | }); | |
b6cf0a66 | 406 | |
1dc01b9f | 407 | return if !$cleanup_worker; |
b6cf0a66 | 408 | |
1dc01b9f DM |
409 | my $rpcenv = PVE::RPCEnvironment::get(); |
410 | my $authuser = $rpcenv->get_user(); | |
b6cf0a66 | 411 | |
1dc01b9f | 412 | $rpcenv->fork_worker('imgdel', undef, $authuser, $cleanup_worker); |
b6cf0a66 DM |
413 | } |
414 | ||
b6cf0a66 DM |
415 | #list iso or openvz template ($tt = <iso|vztmpl|backup>) |
416 | sub template_list { | |
417 | my ($cfg, $storeid, $tt) = @_; | |
418 | ||
1dc01b9f DM |
419 | die "unknown template type '$tt'\n" |
420 | if !($tt eq 'iso' || $tt eq 'vztmpl' || $tt eq 'backup'); | |
b6cf0a66 DM |
421 | |
422 | my $ids = $cfg->{ids}; | |
423 | ||
424 | storage_check_enabled($cfg, $storeid) if ($storeid); | |
425 | ||
426 | my $res = {}; | |
427 | ||
428 | # query the storage | |
429 | ||
430 | foreach my $sid (keys %$ids) { | |
431 | next if $storeid && $storeid ne $sid; | |
432 | ||
433 | my $scfg = $ids->{$sid}; | |
434 | my $type = $scfg->{type}; | |
435 | ||
436 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
437 | ||
438 | next if $tt eq 'iso' && !$scfg->{content}->{iso}; | |
439 | next if $tt eq 'vztmpl' && !$scfg->{content}->{vztmpl}; | |
440 | next if $tt eq 'backup' && !$scfg->{content}->{backup}; | |
441 | ||
1dc01b9f | 442 | activate_storage($cfg, $sid); |
b6cf0a66 | 443 | |
1dc01b9f DM |
444 | if ($scfg->{path}) { |
445 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
b6cf0a66 | 446 | |
1dc01b9f | 447 | my $path = $plugin->get_subdir($scfg, $tt); |
b6cf0a66 DM |
448 | |
449 | foreach my $fn (<$path/*>) { | |
450 | ||
451 | my $info; | |
452 | ||
453 | if ($tt eq 'iso') { | |
454 | next if $fn !~ m!/([^/]+\.[Ii][Ss][Oo])$!; | |
455 | ||
456 | $info = { volid => "$sid:iso/$1", format => 'iso' }; | |
457 | ||
458 | } elsif ($tt eq 'vztmpl') { | |
459 | next if $fn !~ m!/([^/]+\.tar\.gz)$!; | |
460 | ||
461 | $info = { volid => "$sid:vztmpl/$1", format => 'tgz' }; | |
462 | ||
463 | } elsif ($tt eq 'backup') { | |
88870923 | 464 | next if $fn !~ m!/([^/]+\.(tar|tar\.gz|tar\.lzo|tgz))$!; |
b6cf0a66 DM |
465 | |
466 | $info = { volid => "$sid:backup/$1", format => $2 }; | |
467 | } | |
468 | ||
469 | $info->{size} = -s $fn; | |
470 | ||
471 | push @{$res->{$sid}}, $info; | |
472 | } | |
473 | ||
474 | } | |
475 | ||
476 | @{$res->{$sid}} = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @{$res->{$sid}} if $res->{$sid}; | |
477 | } | |
478 | ||
479 | return $res; | |
480 | } | |
481 | ||
20ccac1b | 482 | |
b6cf0a66 DM |
483 | sub vdisk_list { |
484 | my ($cfg, $storeid, $vmid, $vollist) = @_; | |
485 | ||
486 | my $ids = $cfg->{ids}; | |
487 | ||
488 | storage_check_enabled($cfg, $storeid) if ($storeid); | |
489 | ||
490 | my $res = {}; | |
491 | ||
492 | # prepare/activate/refresh all storages | |
493 | ||
b6cf0a66 DM |
494 | my $storage_list = []; |
495 | if ($vollist) { | |
496 | foreach my $volid (@$vollist) { | |
1dc01b9f DM |
497 | my ($sid, undef) = parse_volume_id($volid); |
498 | next if !defined($ids->{$sid}); | |
b6cf0a66 DM |
499 | next if !storage_check_enabled($cfg, $sid, undef, 1); |
500 | push @$storage_list, $sid; | |
b6cf0a66 DM |
501 | } |
502 | } else { | |
503 | foreach my $sid (keys %$ids) { | |
504 | next if $storeid && $storeid ne $sid; | |
505 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
506 | push @$storage_list, $sid; | |
b6cf0a66 DM |
507 | } |
508 | } | |
509 | ||
1dc01b9f | 510 | my $cache = {}; |
b6cf0a66 | 511 | |
1dc01b9f | 512 | activate_storage_list($cfg, $storage_list, $cache); |
b6cf0a66 DM |
513 | |
514 | foreach my $sid (keys %$ids) { | |
1dc01b9f DM |
515 | next if $storeid && $storeid ne $sid; |
516 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
b6cf0a66 | 517 | |
1dc01b9f DM |
518 | my $scfg = $ids->{$sid}; |
519 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
520 | $res->{$sid} = $plugin->list_images($sid, $scfg, $vmid, $vollist, $cache); | |
b6cf0a66 DM |
521 | @{$res->{$sid}} = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @{$res->{$sid}} if $res->{$sid}; |
522 | } | |
523 | ||
524 | return $res; | |
525 | } | |
526 | ||
b6cf0a66 DM |
527 | sub uevent_seqnum { |
528 | ||
529 | my $filename = "/sys/kernel/uevent_seqnum"; | |
530 | ||
531 | my $seqnum = 0; | |
1dc01b9f | 532 | if (my $fh = IO::File->new($filename, "r")) { |
b6cf0a66 DM |
533 | my $line = <$fh>; |
534 | if ($line =~ m/^(\d+)$/) { | |
1dc01b9f | 535 | $seqnum = int($1); |
b6cf0a66 DM |
536 | } |
537 | close ($fh); | |
538 | } | |
539 | return $seqnum; | |
540 | } | |
541 | ||
f3d4ef46 | 542 | sub activate_storage { |
1dc01b9f | 543 | my ($cfg, $storeid, $cache) = @_; |
b6cf0a66 | 544 | |
f3d4ef46 DM |
545 | $cache = {} if !$cache; |
546 | ||
b6cf0a66 DM |
547 | my $scfg = storage_check_enabled($cfg, $storeid); |
548 | ||
1dc01b9f | 549 | return if $cache->{activated}->{$storeid}; |
b6cf0a66 | 550 | |
1dc01b9f | 551 | $cache->{uevent_seqnum} = uevent_seqnum() if !$cache->{uevent_seqnum}; |
b6cf0a66 | 552 | |
1dc01b9f | 553 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); |
b6cf0a66 | 554 | |
1dc01b9f DM |
555 | if ($scfg->{base}) { |
556 | my ($baseid, undef) = parse_volume_id ($scfg->{base}); | |
f3d4ef46 DM |
557 | activate_storage($cfg, $baseid, $cache); |
558 | } | |
559 | ||
560 | if (!$plugin->check_connection($storeid, $scfg)) { | |
561 | die "storage '$storeid' is not online\n"; | |
b6cf0a66 DM |
562 | } |
563 | ||
1dc01b9f DM |
564 | $plugin->activate_storage($storeid, $scfg, $cache); |
565 | ||
b6cf0a66 DM |
566 | my $newseq = uevent_seqnum (); |
567 | ||
568 | # only call udevsettle if there are events | |
1dc01b9f | 569 | if ($newseq > $cache->{uevent_seqnum}) { |
b6cf0a66 DM |
570 | my $timeout = 30; |
571 | system ("$UDEVADM settle --timeout=$timeout"); # ignore errors | |
1dc01b9f | 572 | $cache->{uevent_seqnum} = $newseq; |
b6cf0a66 DM |
573 | } |
574 | ||
1dc01b9f | 575 | $cache->{activated}->{$storeid} = 1; |
b6cf0a66 DM |
576 | } |
577 | ||
578 | sub activate_storage_list { | |
1dc01b9f | 579 | my ($cfg, $storeid_list, $cache) = @_; |
b6cf0a66 | 580 | |
1dc01b9f | 581 | $cache = {} if !$cache; |
b6cf0a66 DM |
582 | |
583 | foreach my $storeid (@$storeid_list) { | |
f3d4ef46 | 584 | activate_storage($cfg, $storeid, $cache); |
b6cf0a66 DM |
585 | } |
586 | } | |
587 | ||
1dc01b9f DM |
588 | sub deactivate_storage { |
589 | my ($cfg, $storeid) = @_; | |
590 | ||
591 | my $scfg = storage_config ($cfg, $storeid); | |
592 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
b6cf0a66 | 593 | |
1dc01b9f DM |
594 | my $cache = {}; |
595 | $plugin->deactivate_storage($storeid, $scfg, $cache); | |
b6cf0a66 DM |
596 | } |
597 | ||
598 | sub activate_volumes { | |
6703353b DM |
599 | my ($cfg, $vollist, $exclusive) = @_; |
600 | ||
601 | return if !($vollist && scalar(@$vollist)); | |
602 | ||
b6cf0a66 DM |
603 | my $storagehash = {}; |
604 | foreach my $volid (@$vollist) { | |
1dc01b9f | 605 | my ($storeid, undef) = parse_volume_id($volid); |
b6cf0a66 DM |
606 | $storagehash->{$storeid} = 1; |
607 | } | |
608 | ||
1dc01b9f DM |
609 | my $cache = {}; |
610 | ||
611 | activate_storage_list($cfg, [keys %$storagehash], $cache); | |
b6cf0a66 DM |
612 | |
613 | foreach my $volid (@$vollist) { | |
5521b580 | 614 | my ($storeid, $volname) = parse_volume_id($volid); |
1dc01b9f DM |
615 | my $scfg = storage_config($cfg, $storeid); |
616 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
617 | $plugin->activate_volume($storeid, $scfg, $volname, $exclusive, $cache); | |
b6cf0a66 DM |
618 | } |
619 | } | |
620 | ||
621 | sub deactivate_volumes { | |
622 | my ($cfg, $vollist) = @_; | |
623 | ||
6703353b DM |
624 | return if !($vollist && scalar(@$vollist)); |
625 | ||
1dc01b9f DM |
626 | my $cache = {}; |
627 | ||
6703353b | 628 | my @errlist = (); |
b6cf0a66 | 629 | foreach my $volid (@$vollist) { |
1dc01b9f | 630 | my ($storeid, $volname) = parse_volume_id($volid); |
b6cf0a66 | 631 | |
1dc01b9f DM |
632 | my $scfg = storage_config($cfg, $storeid); |
633 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); | |
634 | ||
635 | eval { | |
636 | $plugin->deactivate_volume($storeid, $scfg, $volname, $cache); | |
637 | }; | |
638 | if (my $err = $@) { | |
639 | warn $err; | |
640 | push @errlist, $volid; | |
b6cf0a66 DM |
641 | } |
642 | } | |
6703353b DM |
643 | |
644 | die "volume deativation failed: " . join(' ', @errlist) | |
645 | if scalar(@errlist); | |
b6cf0a66 DM |
646 | } |
647 | ||
b6cf0a66 DM |
648 | sub storage_info { |
649 | my ($cfg, $content) = @_; | |
650 | ||
651 | my $ids = $cfg->{ids}; | |
652 | ||
653 | my $info = {}; | |
b6cf0a66 DM |
654 | |
655 | my $slist = []; | |
656 | foreach my $storeid (keys %$ids) { | |
657 | ||
658 | next if $content && !$ids->{$storeid}->{content}->{$content}; | |
659 | ||
660 | next if !storage_check_enabled($cfg, $storeid, undef, 1); | |
661 | ||
662 | my $type = $ids->{$storeid}->{type}; | |
663 | ||
664 | $info->{$storeid} = { | |
665 | type => $type, | |
666 | total => 0, | |
667 | avail => 0, | |
668 | used => 0, | |
04a2e4f3 | 669 | shared => $ids->{$storeid}->{shared} ? 1 : 0, |
1dc01b9f | 670 | content => PVE::Storage::Plugin::content_hash_to_string($ids->{$storeid}->{content}), |
b6cf0a66 DM |
671 | active => 0, |
672 | }; | |
673 | ||
b6cf0a66 DM |
674 | push @$slist, $storeid; |
675 | } | |
676 | ||
1dc01b9f | 677 | my $cache = {}; |
b6cf0a66 | 678 | |
b6cf0a66 DM |
679 | foreach my $storeid (keys %$ids) { |
680 | my $scfg = $ids->{$storeid}; | |
b6cf0a66 DM |
681 | next if !$info->{$storeid}; |
682 | ||
f3d4ef46 DM |
683 | eval { activate_storage($cfg, $storeid, $cache); }; |
684 | if (my $err = $@) { | |
685 | warn $err; | |
686 | next; | |
687 | } | |
688 | ||
1dc01b9f | 689 | my $plugin = PVE::Storage::Plugin->lookup($scfg->{type}); |
7028645e DM |
690 | my ($total, $avail, $used, $active); |
691 | eval { ($total, $avail, $used, $active) = $plugin->status($storeid, $scfg, $cache); }; | |
692 | warn $@ if $@; | |
1dc01b9f DM |
693 | next if !$active; |
694 | $info->{$storeid}->{total} = $total; | |
695 | $info->{$storeid}->{avail} = $avail; | |
696 | $info->{$storeid}->{used} = $used; | |
697 | $info->{$storeid}->{active} = $active; | |
b6cf0a66 DM |
698 | } |
699 | ||
700 | return $info; | |
701 | } | |
702 | ||
703 | sub resolv_server { | |
704 | my ($server) = @_; | |
705 | ||
706 | my $packed_ip = gethostbyname($server); | |
707 | if (defined $packed_ip) { | |
708 | return inet_ntoa($packed_ip); | |
709 | } | |
710 | return undef; | |
711 | } | |
712 | ||
713 | sub scan_nfs { | |
714 | my ($server_in) = @_; | |
715 | ||
716 | my $server; | |
717 | if (!($server = resolv_server ($server_in))) { | |
718 | die "unable to resolve address for server '${server_in}'\n"; | |
719 | } | |
720 | ||
721 | my $cmd = ['/sbin/showmount', '--no-headers', '--exports', $server]; | |
722 | ||
723 | my $res = {}; | |
f81372ac | 724 | run_command($cmd, outfunc => sub { |
b6cf0a66 DM |
725 | my $line = shift; |
726 | ||
727 | # note: howto handle white spaces in export path?? | |
728 | if ($line =~ m!^(/\S+)\s+(.+)$!) { | |
729 | $res->{$1} = $2; | |
730 | } | |
731 | }); | |
732 | ||
733 | return $res; | |
734 | } | |
735 | ||
736 | sub resolv_portal { | |
737 | my ($portal, $noerr) = @_; | |
738 | ||
739 | if ($portal =~ m/^([^:]+)(:(\d+))?$/) { | |
740 | my $server = $1; | |
741 | my $port = $3; | |
742 | ||
743 | if (my $ip = resolv_server($server)) { | |
744 | $server = $ip; | |
745 | return $port ? "$server:$port" : $server; | |
746 | } | |
747 | } | |
748 | return undef if $noerr; | |
749 | ||
750 | raise_param_exc({ portal => "unable to resolve portal address '$portal'" }); | |
751 | } | |
752 | ||
753 | # idea is from usbutils package (/usr/bin/usb-devices) script | |
754 | sub __scan_usb_device { | |
755 | my ($res, $devpath, $parent, $level) = @_; | |
756 | ||
757 | return if ! -d $devpath; | |
758 | return if $level && $devpath !~ m/^.*[-.](\d+)$/; | |
759 | my $port = $level ? int($1 - 1) : 0; | |
760 | ||
761 | my $busnum = int(file_read_firstline("$devpath/busnum")); | |
762 | my $devnum = int(file_read_firstline("$devpath/devnum")); | |
763 | ||
764 | my $d = { | |
765 | port => $port, | |
766 | level => $level, | |
767 | busnum => $busnum, | |
768 | devnum => $devnum, | |
769 | speed => file_read_firstline("$devpath/speed"), | |
770 | class => hex(file_read_firstline("$devpath/bDeviceClass")), | |
771 | vendid => file_read_firstline("$devpath/idVendor"), | |
772 | prodid => file_read_firstline("$devpath/idProduct"), | |
773 | }; | |
774 | ||
775 | if ($level) { | |
776 | my $usbpath = $devpath; | |
777 | $usbpath =~ s|^.*/\d+\-||; | |
778 | $d->{usbpath} = $usbpath; | |
779 | } | |
780 | ||
781 | my $product = file_read_firstline("$devpath/product"); | |
782 | $d->{product} = $product if $product; | |
783 | ||
784 | my $manu = file_read_firstline("$devpath/manufacturer"); | |
785 | $d->{manufacturer} = $manu if $manu; | |
786 | ||
787 | my $serial => file_read_firstline("$devpath/serial"); | |
788 | $d->{serial} = $serial if $serial; | |
789 | ||
790 | push @$res, $d; | |
791 | ||
792 | foreach my $subdev (<$devpath/$busnum-*>) { | |
793 | next if $subdev !~ m|/$busnum-[0-9]+(\.[0-9]+)*$|; | |
794 | __scan_usb_device($res, $subdev, $devnum, $level + 1); | |
795 | } | |
796 | ||
797 | }; | |
798 | ||
799 | sub scan_usb { | |
800 | ||
801 | my $devlist = []; | |
802 | ||
803 | foreach my $device (</sys/bus/usb/devices/usb*>) { | |
804 | __scan_usb_device($devlist, $device, 0, 0); | |
805 | } | |
806 | ||
807 | return $devlist; | |
808 | } | |
809 | ||
810 | sub scan_iscsi { | |
811 | my ($portal_in) = @_; | |
812 | ||
813 | my $portal; | |
1dc01b9f | 814 | if (!($portal = resolv_portal($portal_in))) { |
b6cf0a66 DM |
815 | die "unable to parse/resolve portal address '${portal_in}'\n"; |
816 | } | |
817 | ||
1dc01b9f | 818 | return PVE::Storage::ISCSIPlugin::iscsi_discovery($portal); |
b6cf0a66 DM |
819 | } |
820 | ||
821 | sub storage_default_format { | |
822 | my ($cfg, $storeid) = @_; | |
823 | ||
824 | my $scfg = storage_config ($cfg, $storeid); | |
825 | ||
1dc01b9f | 826 | return PVE::Storage::Plugin::default_format($scfg); |
b6cf0a66 DM |
827 | } |
828 | ||
829 | sub vgroup_is_used { | |
830 | my ($cfg, $vgname) = @_; | |
831 | ||
832 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
1dc01b9f | 833 | my $scfg = storage_config($cfg, $storeid); |
b6cf0a66 DM |
834 | if ($scfg->{type} eq 'lvm' && $scfg->{vgname} eq $vgname) { |
835 | return 1; | |
836 | } | |
837 | } | |
838 | ||
839 | return undef; | |
840 | } | |
841 | ||
842 | sub target_is_used { | |
843 | my ($cfg, $target) = @_; | |
844 | ||
845 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
1dc01b9f | 846 | my $scfg = storage_config($cfg, $storeid); |
b6cf0a66 DM |
847 | if ($scfg->{type} eq 'iscsi' && $scfg->{target} eq $target) { |
848 | return 1; | |
849 | } | |
850 | } | |
851 | ||
852 | return undef; | |
853 | } | |
854 | ||
855 | sub volume_is_used { | |
856 | my ($cfg, $volid) = @_; | |
857 | ||
858 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
1dc01b9f | 859 | my $scfg = storage_config($cfg, $storeid); |
b6cf0a66 DM |
860 | if ($scfg->{base} && $scfg->{base} eq $volid) { |
861 | return 1; | |
862 | } | |
863 | } | |
864 | ||
865 | return undef; | |
866 | } | |
867 | ||
868 | sub storage_is_used { | |
869 | my ($cfg, $storeid) = @_; | |
870 | ||
871 | foreach my $sid (keys %{$cfg->{ids}}) { | |
1dc01b9f | 872 | my $scfg = storage_config($cfg, $sid); |
b6cf0a66 | 873 | next if !$scfg->{base}; |
1dc01b9f | 874 | my ($st) = parse_volume_id($scfg->{base}); |
b6cf0a66 DM |
875 | return 1 if $st && $st eq $storeid; |
876 | } | |
877 | ||
878 | return undef; | |
879 | } | |
880 | ||
881 | sub foreach_volid { | |
882 | my ($list, $func) = @_; | |
883 | ||
884 | return if !$list; | |
885 | ||
886 | foreach my $sid (keys %$list) { | |
887 | foreach my $info (@{$list->{$sid}}) { | |
888 | my $volid = $info->{volid}; | |
1dc01b9f | 889 | my ($sid1, $volname) = parse_volume_id($volid, 1); |
b6cf0a66 DM |
890 | if ($sid1 && $sid1 eq $sid) { |
891 | &$func ($volid, $sid, $info); | |
892 | } else { | |
893 | warn "detected strange volid '$volid' in volume list for '$sid'\n"; | |
894 | } | |
895 | } | |
896 | } | |
897 | } | |
898 | ||
899 | 1; |