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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; | |
6 | use IO::Dir; | |
7 | use IO::File; | |
8 | use Fcntl ':flock'; | |
9 | use File::stat; | |
10 | use File::Basename; | |
11 | use File::Path; | |
12 | use IPC::Open2; | |
13 | use Cwd 'abs_path'; | |
14 | use Getopt::Long qw(GetOptionsFromArray); | |
15 | use Socket; | |
16 | use Digest::SHA1; | |
17 | use Net::Ping; | |
18 | ||
19 | use PVE::Tools qw(run_command file_read_firstline trim); | |
20 | use PVE::Cluster qw(cfs_register_file cfs_read_file cfs_write_file cfs_lock_file); | |
21 | use PVE::Exception qw(raise_param_exc); | |
22 | use PVE::JSONSchema; | |
23 | use PVE::INotify; | |
24 | ||
25 | my $ISCSIADM = '/usr/bin/iscsiadm'; | |
26 | my $UDEVADM = '/sbin/udevadm'; | |
27 | ||
28 | $ISCSIADM = undef if ! -X $ISCSIADM; | |
29 | ||
30 | # fixme: always_call_parser => 1 ?? | |
31 | cfs_register_file ('storage.cfg', | |
32 | \&parse_config, | |
33 | \&write_config); | |
34 | ||
35 | # generic utility function | |
36 | ||
37 | sub config { | |
38 | return cfs_read_file("storage.cfg"); | |
39 | } | |
40 | ||
41 | sub check_iscsi_support { | |
42 | my $noerr = shift; | |
43 | ||
44 | if (!$ISCSIADM) { | |
45 | my $msg = "no iscsi support - please install open-iscsi"; | |
46 | if ($noerr) { | |
47 | warn "warning: $msg\n"; | |
48 | return 0; | |
49 | } | |
50 | ||
51 | die "error: $msg\n"; | |
52 | } | |
53 | ||
54 | return 1; | |
55 | } | |
56 | ||
57 | sub load_stable_scsi_paths { | |
58 | ||
59 | my $stable_paths = {}; | |
60 | ||
61 | my $stabledir = "/dev/disk/by-id"; | |
62 | ||
63 | if (my $dh = IO::Dir->new($stabledir)) { | |
64 | while (defined(my $tmp = $dh->read)) { | |
65 | # exclude filenames with part in name (same disk but partitions) | |
66 | # use only filenames with scsi(with multipath i have the same device | |
67 | # with dm-uuid-mpath , dm-name and scsi in name) | |
68 | if($tmp !~ m/-part\d+$/ && $tmp =~ m/^scsi-/) { | |
69 | my $path = "$stabledir/$tmp"; | |
70 | my $bdevdest = readlink($path); | |
71 | if ($bdevdest && $bdevdest =~ m|^../../([^/]+)|) { | |
72 | $stable_paths->{$1}=$tmp; | |
73 | } | |
74 | } | |
75 | } | |
76 | $dh->close; | |
77 | } | |
78 | return $stable_paths; | |
79 | } | |
80 | ||
81 | sub dir_glob_regex { | |
82 | my ($dir, $regex) = @_; | |
83 | ||
84 | my $dh = IO::Dir->new ($dir); | |
85 | return wantarray ? () : undef if !$dh; | |
86 | ||
87 | while (defined(my $tmp = $dh->read)) { | |
88 | if (my @res = $tmp =~ m/^($regex)$/) { | |
89 | $dh->close; | |
90 | return wantarray ? @res : $tmp; | |
91 | } | |
92 | } | |
93 | $dh->close; | |
94 | ||
95 | return wantarray ? () : undef; | |
96 | } | |
97 | ||
98 | sub dir_glob_foreach { | |
99 | my ($dir, $regex, $func) = @_; | |
100 | ||
101 | my $dh = IO::Dir->new ($dir); | |
102 | if (defined $dh) { | |
103 | while (defined(my $tmp = $dh->read)) { | |
104 | if (my @res = $tmp =~ m/^($regex)$/) { | |
105 | &$func (@res); | |
106 | } | |
107 | } | |
108 | } | |
109 | } | |
110 | ||
111 | sub read_proc_mounts { | |
112 | ||
113 | local $/; # enable slurp mode | |
114 | ||
115 | my $data = ""; | |
116 | if (my $fd = IO::File->new ("/proc/mounts", "r")) { | |
117 | $data = <$fd>; | |
118 | close ($fd); | |
119 | } | |
120 | ||
121 | return $data; | |
122 | } | |
123 | ||
124 | # PVE::Storage utility functions | |
125 | ||
126 | sub lock_storage_config { | |
127 | my ($code, $errmsg) = @_; | |
128 | ||
129 | cfs_lock_file("storage.cfg", undef, $code); | |
130 | my $err = $@; | |
131 | if ($err) { | |
132 | $errmsg ? die "$errmsg: $err" : die $err; | |
133 | } | |
134 | } | |
135 | ||
136 | my $confvars = { | |
137 | path => 'path', | |
138 | shared => 'bool', | |
139 | disable => 'bool', | |
140 | format => 'format', | |
141 | content => 'content', | |
142 | server => 'server', | |
143 | export => 'path', | |
144 | vgname => 'vgname', | |
145 | base => 'volume', | |
146 | portal => 'portal', | |
147 | target => 'target', | |
148 | nodes => 'nodes', | |
149 | options => 'options', | |
150 | }; | |
151 | ||
152 | my $required_config = { | |
153 | dir => ['path'], | |
154 | nfs => ['path', 'server', 'export'], | |
155 | lvm => ['vgname'], | |
156 | iscsi => ['portal', 'target'], | |
157 | }; | |
158 | ||
159 | my $fixed_config = { | |
160 | dir => ['path'], | |
161 | nfs => ['path', 'server', 'export'], | |
162 | lvm => ['vgname', 'base'], | |
163 | iscsi => ['portal', 'target'], | |
164 | }; | |
165 | ||
166 | my $default_config = { | |
167 | dir => { | |
168 | path => 1, | |
169 | nodes => 0, | |
170 | shared => 0, | |
171 | disable => 0, | |
172 | content => [ { images => 1, rootdir => 1, vztmpl => 1, iso => 1, backup => 1, none => 1 }, | |
173 | { images => 1, rootdir => 1 }], | |
174 | format => [ { raw => 1, qcow2 => 1, vmdk => 1 } , 'raw' ], | |
175 | }, | |
176 | ||
177 | nfs => { | |
178 | path => 1, | |
179 | nodes => 0, | |
180 | disable => 0, | |
181 | server => 1, | |
182 | export => 1, | |
183 | options => 0, | |
184 | content => [ { images => 1, iso => 1, backup => 1}, | |
185 | { images => 1 }], | |
186 | format => [ { raw => 1, qcow2 => 1, vmdk => 1 } , 'raw' ], | |
187 | }, | |
188 | ||
189 | lvm => { | |
190 | vgname => 1, | |
191 | nodes => 0, | |
192 | shared => 0, | |
193 | disable => 0, | |
194 | content => [ {images => 1}, { images => 1 }], | |
195 | base => 1, | |
196 | }, | |
197 | ||
198 | iscsi => { | |
199 | portal => 1, | |
200 | target => 1, | |
201 | nodes => 0, | |
202 | disable => 0, | |
203 | content => [ {images => 1, none => 1}, { images => 1 }], | |
204 | }, | |
205 | }; | |
206 | ||
207 | sub valid_content_types { | |
208 | my ($stype) = @_; | |
209 | ||
210 | my $def = $default_config->{$stype}; | |
211 | ||
212 | return {} if !$def; | |
213 | ||
214 | return $def->{content}->[0]; | |
215 | } | |
216 | ||
217 | sub content_hash_to_string { | |
218 | my $hash = shift; | |
219 | ||
220 | my @cta; | |
221 | foreach my $ct (keys %$hash) { | |
222 | push @cta, $ct if $hash->{$ct}; | |
223 | } | |
224 | ||
225 | return join(',', @cta); | |
226 | } | |
227 | ||
228 | PVE::JSONSchema::register_format('pve-storage-path', \&verify_path); | |
229 | sub verify_path { | |
230 | my ($path, $noerr) = @_; | |
231 | ||
232 | # fixme: exclude more shell meta characters? | |
233 | # we need absolute paths | |
234 | if ($path !~ m|^/[^;\(\)]+|) { | |
235 | return undef if $noerr; | |
236 | die "value does not look like a valid absolute path\n"; | |
237 | } | |
238 | return $path; | |
239 | } | |
240 | ||
241 | PVE::JSONSchema::register_format('pve-storage-server', \&verify_server); | |
242 | sub verify_server { | |
243 | my ($server, $noerr) = @_; | |
244 | ||
245 | # fixme: use better regex ? | |
246 | # IP or DNS name | |
247 | if ($server !~ m/^[[:alnum:]\-\.]+$/) { | |
248 | return undef if $noerr; | |
249 | die "value does not look like a valid server name or IP address\n"; | |
250 | } | |
251 | return $server; | |
252 | } | |
253 | ||
254 | PVE::JSONSchema::register_format('pve-storage-portal', \&verify_portal); | |
255 | sub verify_portal { | |
256 | my ($portal, $noerr) = @_; | |
257 | ||
258 | # IP with optional port | |
259 | if ($portal !~ m/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}(:\d+)?$/) { | |
260 | return undef if $noerr; | |
261 | die "value does not look like a valid portal address\n"; | |
262 | } | |
263 | return $portal; | |
264 | } | |
265 | ||
266 | PVE::JSONSchema::register_format('pve-storage-portal-dns', \&verify_portal_dns); | |
267 | sub verify_portal_dns { | |
268 | my ($portal, $noerr) = @_; | |
269 | ||
270 | # IP or DNS name with optional port | |
271 | if ($portal !~ m/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}|[[:alnum:]\-\.]+)(:\d+)?$/) { | |
272 | return undef if $noerr; | |
273 | die "value does not look like a valid portal address\n"; | |
274 | } | |
275 | return $portal; | |
276 | } | |
277 | ||
278 | PVE::JSONSchema::register_format('pve-storage-content', \&verify_content); | |
279 | sub verify_content { | |
280 | my ($ct, $noerr) = @_; | |
281 | ||
282 | my $valid_content = valid_content_types('dir'); # dir includes all types | |
283 | ||
284 | if (!$valid_content->{$ct}) { | |
285 | return undef if $noerr; | |
286 | die "invalid content type '$ct'\n"; | |
287 | } | |
288 | ||
289 | return $ct; | |
290 | } | |
291 | ||
292 | PVE::JSONSchema::register_format('pve-storage-format', \&verify_format); | |
293 | sub verify_format { | |
294 | my ($fmt, $noerr) = @_; | |
295 | ||
296 | if ($fmt !~ m/(raw|qcow2|vmdk)/) { | |
297 | return undef if $noerr; | |
298 | die "invalid format '$fmt'\n"; | |
299 | } | |
300 | ||
301 | return $fmt; | |
302 | } | |
303 | ||
304 | PVE::JSONSchema::register_format('pve-storage-options', \&verify_options); | |
305 | sub verify_options { | |
306 | my ($value, $noerr) = @_; | |
307 | ||
308 | # mount options (see man fstab) | |
309 | if ($value !~ m/^\S+$/) { | |
310 | return undef if $noerr; | |
311 | die "invalid options '$value'\n"; | |
312 | } | |
313 | ||
314 | return $value; | |
315 | } | |
316 | ||
317 | sub check_type { | |
318 | my ($stype, $ct, $key, $value, $storeid, $noerr) = @_; | |
319 | ||
320 | my $def = $default_config->{$stype}; | |
321 | ||
322 | if (!$def) { # should not happen | |
323 | return undef if $noerr; | |
324 | die "unknown storage type '$stype'\n"; | |
325 | } | |
326 | ||
327 | if (!defined($def->{$key})) { | |
328 | return undef if $noerr; | |
329 | die "unexpected property\n"; | |
330 | } | |
331 | ||
332 | if (!defined ($value)) { | |
333 | return undef if $noerr; | |
334 | die "got undefined value\n"; | |
335 | } | |
336 | ||
337 | if ($value =~ m/[\n\r]/) { | |
338 | return undef if $noerr; | |
339 | die "property contains a line feed\n"; | |
340 | } | |
341 | ||
342 | if ($ct eq 'bool') { | |
343 | return 1 if ($value eq '1') || ($value =~ m/^(on|yes|true)$/i); | |
344 | return 0 if ($value eq '0') || ($value =~ m/^(off|no|false)$/i); | |
345 | return undef if $noerr; | |
346 | die "type check ('boolean') failed - got '$value'\n"; | |
347 | } elsif ($ct eq 'options') { | |
348 | return verify_options($value, $noerr); | |
349 | } elsif ($ct eq 'path') { | |
350 | return verify_path($value, $noerr); | |
351 | } elsif ($ct eq 'server') { | |
352 | return verify_server($value, $noerr); | |
353 | } elsif ($ct eq 'vgname') { | |
354 | return parse_lvm_name ($value, $noerr); | |
355 | } elsif ($ct eq 'portal') { | |
356 | return verify_portal($value, $noerr); | |
357 | } elsif ($ct eq 'nodes') { | |
358 | my $res = {}; | |
359 | ||
360 | foreach my $node (PVE::Tools::split_list($value)) { | |
361 | if (PVE::JSONSchema::pve_verify_node_name($node, $noerr)) { | |
362 | $res->{$node} = 1; | |
363 | } | |
364 | } | |
365 | ||
366 | # no node restrictions for local storage | |
367 | if ($storeid && $storeid eq 'local' && scalar(keys(%$res))) { | |
368 | return undef if $noerr; | |
369 | die "storage '$storeid' does not allow node restrictions\n"; | |
370 | } | |
371 | ||
372 | return $res; | |
373 | } elsif ($ct eq 'target') { | |
374 | return $value; | |
375 | } elsif ($ct eq 'string') { | |
376 | return $value; | |
377 | } elsif ($ct eq 'format') { | |
378 | my $valid_formats = $def->{format}->[0]; | |
379 | ||
380 | if (!$valid_formats->{$value}) { | |
381 | return undef if $noerr; | |
382 | die "storage does not support format '$value'\n"; | |
383 | } | |
384 | ||
385 | return $value; | |
386 | ||
387 | } elsif ($ct eq 'content') { | |
388 | my $valid_content = $def->{content}->[0]; | |
389 | ||
390 | my $res = {}; | |
391 | ||
392 | foreach my $c (PVE::Tools::split_list($value)) { | |
393 | if (!$valid_content->{$c}) { | |
394 | return undef if $noerr; | |
395 | die "storage does not support content type '$c'\n"; | |
396 | } | |
397 | $res->{$c} = 1; | |
398 | } | |
399 | ||
400 | # only local storage may have several content types | |
401 | if ($res->{none} || !($storeid && $storeid eq 'local')) { | |
402 | if (scalar (keys %$res) > 1) { | |
403 | return undef if $noerr; | |
404 | die "storage does not support multiple content types\n"; | |
405 | } | |
406 | } | |
407 | ||
408 | # no backup to local storage | |
409 | if ($storeid && $storeid eq 'local' && $res->{backup}) { | |
410 | return undef if $noerr; | |
411 | die "storage 'local' does not support backups\n"; | |
412 | } | |
413 | ||
414 | return $res; | |
415 | } elsif ($ct eq 'volume') { | |
416 | return $value if parse_volume_id ($value, $noerr); | |
417 | } | |
418 | ||
419 | return undef if $noerr; | |
420 | die "type check not implemented - internal error\n"; | |
421 | } | |
422 | ||
423 | sub parse_config { | |
424 | my ($filename, $raw) = @_; | |
425 | ||
426 | my $ids = {}; | |
427 | ||
6c64928f | 428 | my $digest = Digest::SHA1::sha1_hex(defined($raw) ? $raw : ''); |
b6cf0a66 DM |
429 | |
430 | my $pri = 0; | |
431 | ||
432 | while ($raw && $raw =~ s/^(.*?)(\n|$)//) { | |
433 | my $line = $1; | |
434 | ||
b6cf0a66 DM |
435 | next if $line =~ m/^\#/; |
436 | next if $line =~ m/^\s*$/; | |
437 | ||
438 | if ($line =~ m/^(\S+):\s*(\S+)\s*$/) { | |
439 | my $storeid = $2; | |
440 | my $type = $1; | |
441 | my $ignore = 0; | |
442 | ||
443 | if (!parse_storage_id ($storeid, 1)) { | |
444 | $ignore = 1; | |
445 | warn "ignoring storage '$storeid' - (illegal characters)\n"; | |
446 | } elsif (!$default_config->{$type}) { | |
447 | $ignore = 1; | |
448 | warn "ignoring storage '$storeid' (unsupported type '$type')\n"; | |
449 | } else { | |
450 | $ids->{$storeid}->{type} = $type; | |
451 | $ids->{$storeid}->{priority} = $pri++; | |
452 | } | |
453 | ||
454 | while ($raw && $raw =~ s/^(.*?)(\n|$)//) { | |
455 | $line = $1; | |
456 | ||
457 | next if $line =~ m/^\#/; | |
458 | last if $line =~ m/^\s*$/; | |
459 | ||
460 | next if $ignore; # skip | |
461 | ||
462 | if ($line =~ m/^\s+(\S+)(\s+(.*\S))?\s*$/) { | |
463 | my ($k, $v) = ($1, $3); | |
464 | if (my $ct = $confvars->{$k}) { | |
465 | $v = 1 if $ct eq 'bool' && !defined($v); | |
466 | eval { | |
467 | $ids->{$storeid}->{$k} = check_type ($type, $ct, $k, $v, $storeid); | |
468 | }; | |
469 | warn "storage '$storeid' - unable to parse value of '$k': $@" if $@; | |
470 | } else { | |
471 | warn "storage '$storeid' - unable to parse value of '$k'\n"; | |
472 | } | |
473 | ||
474 | } else { | |
475 | warn "storage '$storeid' - ignore config line: $line\n"; | |
476 | } | |
477 | } | |
478 | } else { | |
479 | warn "ignore config line: $line\n"; | |
480 | } | |
481 | } | |
482 | ||
483 | # make sure we have a reasonable 'local:' storage | |
484 | # openvz expects things to be there | |
485 | if (!$ids->{local} || $ids->{local}->{type} ne 'dir' || | |
486 | $ids->{local}->{path} ne '/var/lib/vz') { | |
487 | $ids->{local} = { | |
488 | type => 'dir', | |
489 | priority => $pri++, | |
490 | path => '/var/lib/vz', | |
491 | content => { images => 1, rootdir => 1, vztmpl => 1, iso => 1}, | |
492 | }; | |
493 | } | |
494 | ||
495 | # we always need this for OpenVZ | |
496 | $ids->{local}->{content}->{rootdir} = 1; | |
497 | $ids->{local}->{content}->{vztmpl} = 1; | |
498 | delete ($ids->{local}->{disable}); | |
499 | ||
500 | # remove node restrictions for local storage | |
501 | delete($ids->{local}->{nodes}); | |
502 | ||
503 | foreach my $storeid (keys %$ids) { | |
504 | my $d = $ids->{$storeid}; | |
505 | ||
506 | my $req_keys = $required_config->{$d->{type}}; | |
507 | foreach my $k (@$req_keys) { | |
508 | if (!defined ($d->{$k})) { | |
509 | warn "ignoring storage '$storeid' - missing value " . | |
510 | "for required option '$k'\n"; | |
511 | delete $ids->{$storeid}; | |
512 | next; | |
513 | } | |
514 | } | |
515 | ||
516 | my $def = $default_config->{$d->{type}}; | |
517 | ||
518 | if ($def->{content}) { | |
519 | $d->{content} = $def->{content}->[1] if !$d->{content}; | |
520 | } | |
521 | ||
522 | if ($d->{type} eq 'iscsi' || $d->{type} eq 'nfs') { | |
523 | $d->{shared} = 1; | |
524 | } | |
525 | } | |
526 | ||
b6cf0a66 DM |
527 | my $cfg = { ids => $ids, digest => $digest}; |
528 | ||
529 | return $cfg; | |
530 | } | |
531 | ||
532 | sub parse_options { | |
533 | my ($storeid, $stype, $param, $create) = @_; | |
534 | ||
535 | my $settings = { type => $stype }; | |
536 | ||
537 | die "unknown storage type '$stype'\n" | |
538 | if !$default_config->{$stype}; | |
539 | ||
540 | foreach my $opt (keys %$param) { | |
541 | my $value = $param->{$opt}; | |
542 | ||
543 | my $ct = $confvars->{$opt}; | |
544 | if (defined($value)) { | |
545 | eval { | |
546 | $settings->{$opt} = check_type ($stype, $ct, $opt, $value, $storeid); | |
547 | }; | |
548 | raise_param_exc({ $opt => $@ }) if $@; | |
549 | } else { | |
550 | raise_param_exc({ $opt => "got undefined value" }); | |
551 | } | |
552 | } | |
553 | ||
554 | if ($create) { | |
555 | my $req_keys = $required_config->{$stype}; | |
556 | foreach my $k (@$req_keys) { | |
557 | ||
558 | if ($stype eq 'nfs' && !$settings->{path}) { | |
559 | $settings->{path} = "/mnt/pve/$storeid"; | |
560 | } | |
561 | ||
562 | # check if we have a value for all required options | |
563 | if (!defined ($settings->{$k})) { | |
564 | raise_param_exc({ $k => "property is missing and it is not optional" }); | |
565 | } | |
566 | } | |
567 | } else { | |
568 | my $fixed_keys = $fixed_config->{$stype}; | |
569 | foreach my $k (@$fixed_keys) { | |
570 | ||
571 | # only allow to change non-fixed values | |
572 | ||
573 | if (defined ($settings->{$k})) { | |
574 | raise_param_exc({$k => "can't change value (fixed parameter)"}); | |
575 | } | |
576 | } | |
577 | } | |
578 | ||
579 | return $settings; | |
580 | } | |
581 | ||
582 | sub cluster_lock_storage { | |
583 | my ($storeid, $shared, $timeout, $func, @param) = @_; | |
584 | ||
585 | my $res; | |
586 | if (!$shared) { | |
587 | my $lockid = "pve-storage-$storeid"; | |
588 | my $lockdir = "/var/lock/pve-manager"; | |
589 | mkdir $lockdir; | |
590 | $res = PVE::Tools::lock_file("$lockdir/$lockid", $timeout, $func, @param); | |
591 | die $@ if $@; | |
592 | } else { | |
593 | $res = PVE::Cluster::cfs_lock_storage($storeid, $timeout, $func, @param); | |
594 | die $@ if $@; | |
595 | } | |
596 | return $res; | |
597 | } | |
598 | ||
599 | sub storage_config { | |
600 | my ($cfg, $storeid, $noerr) = @_; | |
601 | ||
602 | die "no storage id specified\n" if !$storeid; | |
603 | ||
604 | my $scfg = $cfg->{ids}->{$storeid}; | |
605 | ||
606 | die "storage '$storeid' does not exists\n" if (!$noerr && !$scfg); | |
607 | ||
608 | return $scfg; | |
609 | } | |
610 | ||
611 | sub storage_check_node { | |
612 | my ($cfg, $storeid, $node, $noerr) = @_; | |
613 | ||
614 | my $scfg = storage_config ($cfg, $storeid); | |
615 | ||
616 | if ($scfg->{nodes}) { | |
617 | $node = PVE::INotify::nodename() if !$node || ($node eq 'localhost'); | |
618 | if (!$scfg->{nodes}->{$node}) { | |
619 | die "storage '$storeid' is not available on node '$node'" if !$noerr; | |
620 | return undef; | |
621 | } | |
622 | } | |
623 | ||
624 | return $scfg; | |
625 | } | |
626 | ||
627 | sub storage_check_enabled { | |
628 | my ($cfg, $storeid, $node, $noerr) = @_; | |
629 | ||
630 | my $scfg = storage_config ($cfg, $storeid); | |
631 | ||
632 | if ($scfg->{disable}) { | |
633 | die "storage '$storeid' is disabled\n" if !$noerr; | |
634 | return undef; | |
635 | } | |
636 | ||
637 | return storage_check_node($cfg, $storeid, $node, $noerr); | |
638 | } | |
639 | ||
640 | sub storage_ids { | |
641 | my ($cfg) = @_; | |
642 | ||
643 | my $ids = $cfg->{ids}; | |
644 | ||
645 | my @sa = sort {$ids->{$a}->{priority} <=> $ids->{$b}->{priority}} keys %$ids; | |
646 | ||
647 | return @sa; | |
648 | } | |
649 | ||
650 | sub assert_if_modified { | |
651 | my ($cfg, $digest) = @_; | |
652 | ||
653 | if ($digest && ($cfg->{digest} ne $digest)) { | |
654 | die "detected modified storage configuration - try again\n"; | |
655 | } | |
656 | } | |
657 | ||
658 | sub sprint_config_line { | |
659 | my ($k, $v) = @_; | |
660 | ||
661 | my $ct = $confvars->{$k}; | |
662 | ||
663 | if ($ct eq 'bool') { | |
664 | return $v ? "\t$k\n" : ''; | |
665 | } elsif ($ct eq 'nodes') { | |
666 | my $nlist = join(',', keys(%$v)); | |
667 | return $nlist ? "\tnodes $nlist\n" : ''; | |
668 | } elsif ($ct eq 'content') { | |
669 | my $clist = content_hash_to_string($v); | |
670 | if ($clist) { | |
671 | return "\t$k $clist\n"; | |
672 | } else { | |
673 | return "\t$k none\n"; | |
674 | } | |
675 | } else { | |
676 | return "\t$k $v\n"; | |
677 | } | |
678 | } | |
679 | ||
680 | sub write_config { | |
681 | my ($filename, $cfg) = @_; | |
682 | ||
683 | my $out = ''; | |
684 | ||
685 | my $ids = $cfg->{ids}; | |
686 | ||
687 | my $maxpri = 0; | |
688 | foreach my $storeid (keys %$ids) { | |
689 | my $pri = $ids->{$storeid}->{priority}; | |
690 | $maxpri = $pri if $pri && $pri > $maxpri; | |
691 | } | |
692 | foreach my $storeid (keys %$ids) { | |
693 | if (!defined ($ids->{$storeid}->{priority})) { | |
694 | $ids->{$storeid}->{priority} = ++$maxpri; | |
695 | } | |
696 | } | |
697 | ||
698 | foreach my $storeid (sort {$ids->{$a}->{priority} <=> $ids->{$b}->{priority}} keys %$ids) { | |
699 | my $scfg = $ids->{$storeid}; | |
700 | my $type = $scfg->{type}; | |
701 | my $def = $default_config->{$type}; | |
702 | ||
703 | die "unknown storage type '$type'\n" if !$def; | |
704 | ||
705 | my $data = "$type: $storeid\n"; | |
706 | ||
707 | $data .= "\tdisable\n" if $scfg->{disable}; | |
708 | ||
709 | my $done_hash = { disable => 1}; | |
710 | foreach my $k (@{$required_config->{$type}}) { | |
711 | $done_hash->{$k} = 1; | |
712 | my $v = $ids->{$storeid}->{$k}; | |
713 | die "storage '$storeid' - missing value for required option '$k'\n" | |
714 | if !defined ($v); | |
715 | $data .= sprint_config_line ($k, $v); | |
716 | } | |
717 | ||
718 | foreach my $k (keys %$def) { | |
719 | next if defined ($done_hash->{$k}); | |
720 | if (defined (my $v = $ids->{$storeid}->{$k})) { | |
721 | $data .= sprint_config_line ($k, $v); | |
722 | } | |
723 | } | |
724 | ||
725 | $out .= "$data\n"; | |
726 | } | |
727 | ||
728 | return $out; | |
729 | } | |
730 | ||
731 | sub get_image_dir { | |
732 | my ($cfg, $storeid, $vmid) = @_; | |
733 | ||
734 | my $path = $cfg->{ids}->{$storeid}->{path}; | |
735 | return $vmid ? "$path/images/$vmid" : "$path/images"; | |
736 | } | |
737 | ||
738 | sub get_iso_dir { | |
739 | my ($cfg, $storeid) = @_; | |
740 | ||
741 | my $isodir = $cfg->{ids}->{$storeid}->{path}; | |
742 | $isodir .= '/template/iso' if $storeid eq 'local'; | |
743 | ||
744 | return $isodir; | |
745 | } | |
746 | ||
747 | sub get_vztmpl_dir { | |
748 | my ($cfg, $storeid) = @_; | |
749 | ||
750 | my $tmpldir = $cfg->{ids}->{$storeid}->{path}; | |
751 | $tmpldir .= '/template/cache' if $storeid eq 'local'; | |
752 | ||
753 | return $tmpldir; | |
754 | } | |
755 | ||
756 | # iscsi utility functions | |
757 | ||
758 | sub iscsi_session_list { | |
759 | ||
760 | check_iscsi_support (); | |
761 | ||
762 | my $cmd = [$ISCSIADM, '--mode', 'session']; | |
763 | ||
764 | my $res = {}; | |
765 | ||
766 | run_command ($cmd, outfunc => sub { | |
767 | my $line = shift; | |
768 | ||
769 | if ($line =~ m/^tcp:\s+\[(\S+)\]\s+\S+\s+(\S+)\s*$/) { | |
770 | my ($session, $target) = ($1, $2); | |
771 | # there can be several sessions per target (multipath) | |
772 | push @{$res->{$target}}, $session; | |
773 | ||
774 | } | |
775 | }); | |
776 | ||
777 | return $res; | |
778 | } | |
779 | ||
780 | sub iscsi_test_portal { | |
781 | my ($portal) = @_; | |
782 | ||
783 | my ($server, $port) = split(':', $portal); | |
784 | my $p = Net::Ping->new("tcp", 2); | |
785 | $p->port_number($port || 3260); | |
786 | return $p->ping($server); | |
787 | } | |
788 | ||
789 | sub iscsi_discovery { | |
790 | my ($portal) = @_; | |
791 | ||
792 | check_iscsi_support (); | |
793 | ||
794 | my $cmd = [$ISCSIADM, '--mode', 'discovery', '--type', 'sendtargets', | |
795 | '--portal', $portal]; | |
796 | ||
797 | my $res = {}; | |
798 | ||
799 | return $res if !iscsi_test_portal($portal); # fixme: raise exception here? | |
800 | ||
801 | run_command ($cmd, outfunc => sub { | |
802 | my $line = shift; | |
803 | ||
804 | if ($line =~ m/^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}:\d+)\,\S+\s+(\S+)\s*$/) { | |
805 | my $portal = $1; | |
806 | my $target = $2; | |
807 | # one target can have more than one portal (multipath). | |
808 | push @{$res->{$target}}, $portal; | |
809 | } | |
810 | }); | |
811 | ||
812 | return $res; | |
813 | } | |
814 | ||
815 | sub iscsi_login { | |
816 | my ($target, $portal_in) = @_; | |
817 | ||
818 | check_iscsi_support (); | |
819 | ||
820 | eval { iscsi_discovery ($portal_in); }; | |
821 | warn $@ if $@; | |
822 | ||
823 | my $cmd = [$ISCSIADM, '--mode', 'node', '--targetname', $target, '--login']; | |
824 | run_command ($cmd); | |
825 | } | |
826 | ||
827 | sub iscsi_logout { | |
828 | my ($target, $portal) = @_; | |
829 | ||
830 | check_iscsi_support (); | |
831 | ||
832 | my $cmd = [$ISCSIADM, '--mode', 'node', '--targetname', $target, '--logout']; | |
833 | run_command ($cmd); | |
834 | } | |
835 | ||
836 | my $rescan_filename = "/var/run/pve-iscsi-rescan.lock"; | |
837 | ||
838 | sub iscsi_session_rescan { | |
839 | my $session_list = shift; | |
840 | ||
841 | check_iscsi_support (); | |
842 | ||
843 | my $rstat = stat ($rescan_filename); | |
844 | ||
845 | if (!$rstat) { | |
846 | if (my $fh = IO::File->new ($rescan_filename, "a")) { | |
847 | utime undef, undef, $fh; | |
848 | close ($fh); | |
849 | } | |
850 | } else { | |
851 | my $atime = $rstat->atime; | |
852 | my $tdiff = time() - $atime; | |
853 | # avoid frequent rescans | |
854 | return if !($tdiff < 0 || $tdiff > 10); | |
855 | utime undef, undef, $rescan_filename; | |
856 | } | |
857 | ||
858 | foreach my $session (@$session_list) { | |
859 | my $cmd = [$ISCSIADM, '--mode', 'session', '-r', $session, '-R']; | |
860 | eval { run_command ($cmd, outfunc => sub {}); }; | |
861 | warn $@ if $@; | |
862 | } | |
863 | } | |
864 | ||
865 | sub iscsi_device_list { | |
866 | ||
867 | my $res = {}; | |
868 | ||
869 | my $dirname = '/sys/class/iscsi_session'; | |
870 | ||
871 | my $stable_paths = load_stable_scsi_paths(); | |
872 | ||
873 | dir_glob_foreach ($dirname, 'session(\d+)', sub { | |
874 | my ($ent, $session) = @_; | |
875 | ||
876 | my $target = file_read_firstline ("$dirname/$ent/targetname"); | |
877 | return if !$target; | |
878 | ||
879 | my (undef, $host) = dir_glob_regex ("$dirname/$ent/device", 'target(\d+):.*'); | |
880 | return if !defined($host); | |
881 | ||
882 | dir_glob_foreach ("/sys/bus/scsi/devices", "$host:" . '(\d+):(\d+):(\d+)', sub { | |
883 | my ($tmp, $channel, $id, $lun) = @_; | |
884 | ||
885 | my $type = file_read_firstline ("/sys/bus/scsi/devices/$tmp/type"); | |
886 | return if !defined($type) || $type ne '0'; # list disks only | |
887 | ||
888 | my $bdev; | |
889 | if (-d "/sys/bus/scsi/devices/$tmp/block") { # newer kernels | |
890 | (undef, $bdev) = dir_glob_regex ("/sys/bus/scsi/devices/$tmp/block/", '([A-Za-z]\S*)'); | |
891 | } else { | |
892 | (undef, $bdev) = dir_glob_regex ("/sys/bus/scsi/devices/$tmp", 'block:(\S+)'); | |
893 | } | |
894 | return if !$bdev; | |
895 | ||
896 | #check multipath | |
897 | if (-d "/sys/block/$bdev/holders") { | |
898 | my $multipathdev = dir_glob_regex ("/sys/block/$bdev/holders", '[A-Za-z]\S*'); | |
899 | $bdev = $multipathdev if $multipathdev; | |
900 | } | |
901 | ||
902 | my $blockdev = $stable_paths->{$bdev}; | |
903 | return if !$blockdev; | |
904 | ||
905 | my $size = file_read_firstline ("/sys/block/$bdev/size"); | |
906 | return if !$size; | |
907 | ||
908 | my $volid = "$channel.$id.$lun.$blockdev"; | |
909 | ||
910 | $res->{$target}->{$volid} = { | |
911 | 'format' => 'raw', | |
912 | 'size' => int($size / 2), | |
913 | 'vmid' => 0, # not assigned to any vm | |
914 | 'channel' => int($channel), | |
915 | 'id' => int($id), | |
916 | 'lun' => int($lun), | |
917 | }; | |
918 | ||
919 | #print "TEST: $target $session $host,$bus,$tg,$lun $blockdev\n"; | |
920 | }); | |
921 | ||
922 | }); | |
923 | ||
924 | return $res; | |
925 | } | |
926 | ||
927 | # library implementation | |
928 | ||
929 | ||
930 | PVE::JSONSchema::register_format('pve-storage-id', \&parse_storage_id); | |
931 | sub parse_storage_id { | |
932 | my ($storeid, $noerr) = @_; | |
933 | ||
934 | if ($storeid !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) { | |
935 | return undef if $noerr; | |
936 | die "storage ID '$storeid' contains illegal characters\n"; | |
937 | } | |
938 | return $storeid; | |
939 | } | |
940 | ||
941 | PVE::JSONSchema::register_standard_option('pve-storage-id', { | |
942 | description => "The storage identifier.", | |
943 | type => 'string', format => 'pve-storage-id', | |
944 | }); | |
945 | ||
946 | PVE::JSONSchema::register_format('pve-storage-vgname', \&parse_lvm_name); | |
947 | sub parse_lvm_name { | |
948 | my ($name, $noerr) = @_; | |
949 | ||
950 | if ($name !~ m/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i) { | |
951 | return undef if $noerr; | |
952 | die "lvm name '$name' contains illegal characters\n"; | |
953 | } | |
954 | ||
955 | return $name; | |
956 | } | |
957 | ||
958 | sub parse_vmid { | |
959 | my $vmid = shift; | |
960 | ||
961 | die "VMID '$vmid' contains illegal characters\n" if $vmid !~ m/^\d+$/; | |
962 | ||
963 | return int($vmid); | |
964 | } | |
965 | ||
966 | PVE::JSONSchema::register_format('pve-volume-id', \&parse_volume_id); | |
967 | sub parse_volume_id { | |
968 | my ($volid, $noerr) = @_; | |
969 | ||
970 | if ($volid =~ m/^([a-z][a-z0-9\-\_\.]*[a-z0-9]):(.+)$/i) { | |
971 | return wantarray ? ($1, $2) : $1; | |
972 | } | |
973 | return undef if $noerr; | |
974 | die "unable to parse volume ID '$volid'\n"; | |
975 | } | |
976 | ||
977 | sub parse_name_dir { | |
978 | my $name = shift; | |
979 | ||
980 | if ($name =~ m!^([^/\s]+\.(raw|qcow2|vmdk))$!) { | |
981 | return ($1, $2); | |
982 | } | |
983 | ||
984 | die "unable to parse volume filename '$name'\n"; | |
985 | } | |
986 | ||
987 | sub parse_volname_dir { | |
988 | my $volname = shift; | |
989 | ||
990 | if ($volname =~ m!^(\d+)/(\S+)$!) { | |
991 | my ($vmid, $name) = ($1, $2); | |
992 | parse_name_dir ($name); | |
993 | return ('image', $name, $vmid); | |
994 | } elsif ($volname =~ m!^iso/([^/]+\.[Ii][Ss][Oo])$!) { | |
995 | return ('iso', $1); | |
996 | } elsif ($volname =~ m!^vztmpl/([^/]+\.tar\.gz)$!) { | |
997 | return ('vztmpl', $1); | |
998 | } | |
999 | die "unable to parse directory volume name '$volname'\n"; | |
1000 | } | |
1001 | ||
1002 | sub parse_volname_lvm { | |
1003 | my $volname = shift; | |
1004 | ||
1005 | parse_lvm_name ($volname); | |
1006 | ||
1007 | if ($volname =~ m/^(vm-(\d+)-\S+)$/) { | |
1008 | return ($1, $2); | |
1009 | } | |
1010 | ||
1011 | die "unable to parse lvm volume name '$volname'\n"; | |
1012 | } | |
1013 | ||
1014 | sub parse_volname_iscsi { | |
1015 | my $volname = shift; | |
1016 | ||
1017 | if ($volname =~ m!^\d+\.\d+\.\d+\.(\S+)$!) { | |
1018 | my $byid = $1; | |
1019 | return $byid; | |
1020 | } | |
1021 | ||
1022 | die "unable to parse iscsi volume name '$volname'\n"; | |
1023 | } | |
1024 | ||
1025 | # try to map a filesystem path to a volume identifier | |
1026 | sub path_to_volume_id { | |
1027 | my ($cfg, $path) = @_; | |
1028 | ||
1029 | my $ids = $cfg->{ids}; | |
1030 | ||
1031 | my ($sid, $volname) = parse_volume_id ($path, 1); | |
1032 | if ($sid) { | |
1033 | if ($ids->{$sid} && (my $type = $ids->{$sid}->{type})) { | |
1034 | if ($type eq 'dir' || $type eq 'nfs') { | |
1035 | my ($vtype, $name, $vmid) = parse_volname_dir ($volname); | |
1036 | return ($vtype, $path); | |
1037 | } | |
1038 | } | |
1039 | return (''); | |
1040 | } | |
1041 | ||
1042 | $path = abs_path ($path); | |
1043 | ||
1044 | foreach my $sid (keys %$ids) { | |
1045 | my $type = $ids->{$sid}->{type}; | |
1046 | next if !($type eq 'dir' || $type eq 'nfs'); | |
1047 | ||
1048 | my $imagedir = $ids->{$sid}->{path} . "/images"; | |
1049 | my $isodir = get_iso_dir ($cfg, $sid); | |
1050 | my $tmpldir = get_vztmpl_dir ($cfg, $sid); | |
1051 | ||
1052 | if ($path =~ m!^$imagedir/(\d+)/([^/\s]+)$!) { | |
1053 | my $vmid = $1; | |
1054 | my $name = $2; | |
1055 | return ('image', "$sid:$vmid/$name"); | |
1056 | } elsif ($path =~ m!^$isodir/([^/]+\.[Ii][Ss][Oo])$!) { | |
1057 | my $name = $1; | |
1058 | return ('iso', "$sid:iso/$name"); | |
1059 | } elsif ($path =~ m!^$tmpldir/([^/]+\.tar\.gz)$!) { | |
1060 | my $name = $1; | |
1061 | return ('vztmpl', "$sid:vztmpl/$name"); | |
1062 | } | |
1063 | } | |
1064 | ||
1065 | # can't map path to volume id | |
1066 | return (''); | |
1067 | } | |
1068 | ||
1069 | sub path { | |
1070 | my ($cfg, $volid) = @_; | |
1071 | ||
1072 | my ($storeid, $volname) = parse_volume_id ($volid); | |
1073 | ||
1074 | my $scfg = storage_config ($cfg, $storeid); | |
1075 | ||
1076 | my $path; | |
1077 | my $owner; | |
1078 | ||
1079 | if ($scfg->{type} eq 'dir' || $scfg->{type} eq 'nfs') { | |
1080 | my ($vtype, $name, $vmid) = parse_volname_dir ($volname); | |
1081 | $owner = $vmid; | |
1082 | ||
1083 | my $imagedir = get_image_dir ($cfg, $storeid, $vmid); | |
1084 | my $isodir = get_iso_dir ($cfg, $storeid); | |
1085 | my $tmpldir = get_vztmpl_dir ($cfg, $storeid); | |
1086 | ||
1087 | if ($vtype eq 'image') { | |
1088 | $path = "$imagedir/$name"; | |
1089 | } elsif ($vtype eq 'iso') { | |
1090 | $path = "$isodir/$name"; | |
1091 | } elsif ($vtype eq 'vztmpl') { | |
1092 | $path = "$tmpldir/$name"; | |
1093 | } else { | |
1094 | die "should not be reached"; | |
1095 | } | |
1096 | ||
1097 | } elsif ($scfg->{type} eq 'lvm') { | |
1098 | ||
1099 | my $vg = $scfg->{vgname}; | |
1100 | ||
1101 | my ($name, $vmid) = parse_volname_lvm ($volname); | |
1102 | $owner = $vmid; | |
1103 | ||
1104 | $path = "/dev/$vg/$name"; | |
1105 | ||
1106 | } elsif ($scfg->{type} eq 'iscsi') { | |
1107 | my $byid = parse_volname_iscsi ($volname); | |
1108 | $path = "/dev/disk/by-id/$byid"; | |
1109 | } else { | |
1110 | die "unknown storage type '$scfg->{type}'"; | |
1111 | } | |
1112 | ||
1113 | return wantarray ? ($path, $owner) : $path; | |
1114 | } | |
1115 | ||
1116 | sub storage_migrate { | |
1117 | my ($cfg, $volid, $target_host, $target_storeid, $target_volname) = @_; | |
1118 | ||
1119 | my ($storeid, $volname) = parse_volume_id ($volid); | |
1120 | $target_volname = $volname if !$target_volname; | |
1121 | ||
1122 | my $scfg = storage_config ($cfg, $storeid); | |
1123 | ||
1124 | # no need to migrate shared content | |
1125 | return if $storeid eq $target_storeid && $scfg->{shared}; | |
1126 | ||
1127 | my $tcfg = storage_config ($cfg, $target_storeid); | |
1128 | ||
1129 | my $target_volid = "${target_storeid}:${target_volname}"; | |
1130 | ||
1131 | my $errstr = "unable to migrate '$volid' to '${target_volid}' on host '$target_host'"; | |
1132 | ||
1133 | # blowfish is a fast block cipher, much faster then 3des | |
1134 | my $sshoptions = "-c blowfish -o 'BatchMode=yes'"; | |
1135 | my $ssh = "/usr/bin/ssh $sshoptions"; | |
1136 | ||
1137 | local $ENV{RSYNC_RSH} = $ssh; | |
1138 | ||
1139 | if ($scfg->{type} eq 'dir' || $scfg->{type} eq 'nfs') { | |
1140 | if ($tcfg->{type} eq 'dir' || $tcfg->{type} eq 'nfs') { | |
1141 | ||
1142 | my $src = path ($cfg, $volid); | |
1143 | my $dst = path ($cfg, $target_volid); | |
1144 | ||
1145 | my $dirname = dirname ($dst); | |
1146 | ||
1147 | if ($tcfg->{shared}) { # we can do a local copy | |
1148 | ||
1149 | run_command (['/bin/mkdir', '-p', $dirname]); | |
1150 | ||
1151 | run_command (['/bin/cp', $src, $dst]); | |
1152 | ||
1153 | } else { | |
1154 | ||
1155 | run_command (['/usr/bin/ssh', "root\@${target_host}", | |
1156 | '/bin/mkdir', '-p', $dirname]); | |
1157 | ||
1158 | # we use rsync with --sparse, so we can't use --inplace, | |
1159 | # so we remove file on the target if it already exists to | |
1160 | # save space | |
1161 | my ($size, $format) = file_size_info($src); | |
1162 | if ($format && ($format eq 'raw') && $size) { | |
1163 | run_command (['/usr/bin/ssh', "root\@${target_host}", | |
1164 | 'rm', '-f', $dst], | |
1165 | outfunc => sub {}); | |
1166 | } | |
1167 | ||
1168 | my $cmd = ['/usr/bin/rsync', '--progress', '--sparse', '--whole-file', | |
1169 | $src, "root\@${target_host}:$dst"]; | |
1170 | ||
1171 | my $percent = -1; | |
1172 | ||
1173 | run_command ($cmd, outfunc => sub { | |
1174 | my $line = shift; | |
1175 | ||
1176 | if ($line =~ m/^\s*(\d+\s+(\d+)%\s.*)$/) { | |
1177 | if ($2 > $percent) { | |
1178 | $percent = $2; | |
1179 | print "rsync status: $1\n"; | |
1180 | *STDOUT->flush(); | |
1181 | } | |
1182 | } else { | |
1183 | print "$line\n"; | |
1184 | *STDOUT->flush(); | |
1185 | } | |
1186 | }); | |
1187 | } | |
1188 | ||
1189 | ||
1190 | } else { | |
1191 | ||
1192 | die "$errstr - target type '$tcfg->{type}' not implemented\n"; | |
1193 | } | |
1194 | ||
1195 | } else { | |
1196 | die "$errstr - source type '$scfg->{type}' not implemented\n"; | |
1197 | } | |
1198 | } | |
1199 | ||
1200 | sub vdisk_alloc { | |
1201 | my ($cfg, $storeid, $vmid, $fmt, $name, $size) = @_; | |
1202 | ||
1203 | die "no storage id specified\n" if !$storeid; | |
1204 | ||
1205 | parse_storage_id ($storeid); | |
1206 | ||
1207 | my $scfg = storage_config ($cfg, $storeid); | |
1208 | ||
1209 | die "no VMID specified\n" if !$vmid; | |
1210 | ||
1211 | $vmid = parse_vmid ($vmid); | |
1212 | ||
1213 | my $defformat = storage_default_format ($cfg, $storeid); | |
1214 | ||
1215 | $fmt = $defformat if !$fmt; | |
1216 | ||
1217 | activate_storage ($cfg, $storeid); | |
1218 | ||
1219 | # lock shared storage | |
1220 | return cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
1221 | ||
1222 | if ($scfg->{type} eq 'dir' || $scfg->{type} eq 'nfs') { | |
1223 | ||
1224 | my $imagedir = get_image_dir ($cfg, $storeid, $vmid); | |
1225 | ||
1226 | mkpath $imagedir; | |
1227 | ||
1228 | if (!$name) { | |
1229 | ||
1230 | for (my $i = 1; $i < 100; $i++) { | |
1231 | my @gr = <$imagedir/vm-$vmid-disk-$i.*>; | |
1232 | if (!scalar(@gr)) { | |
1233 | $name = "vm-$vmid-disk-$i.$fmt"; | |
1234 | last; | |
1235 | } | |
1236 | } | |
1237 | } | |
1238 | ||
1239 | die "unable to allocate an image name for VM $vmid in storage '$storeid'\n" | |
1240 | if !$name; | |
1241 | ||
1242 | my (undef, $tmpfmt) = parse_name_dir ($name); | |
1243 | ||
1244 | die "illegal name '$name' - wrong extension for format ('$tmpfmt != '$fmt')\n" | |
1245 | if $tmpfmt ne $fmt; | |
1246 | ||
1247 | my $path = "$imagedir/$name"; | |
1248 | ||
1249 | die "disk image '$path' already exists\n" if -f $path; | |
1250 | ||
1251 | run_command("/usr/bin/qemu-img create -f $fmt '$path' ${size}K", | |
1252 | errmsg => "unable to create image"); | |
1253 | ||
1254 | return "$storeid:$vmid/$name"; | |
1255 | ||
1256 | } elsif ($scfg->{type} eq 'lvm') { | |
1257 | ||
1258 | die "unsupported format '$fmt'" if $fmt ne 'raw'; | |
1259 | ||
1260 | die "illegal name '$name' - sould be 'vm-$vmid-*'\n" | |
1261 | if $name && $name !~ m/^vm-$vmid-/; | |
1262 | ||
1263 | my $vgs = lvm_vgs (); | |
1264 | ||
1265 | my $vg = $scfg->{vgname}; | |
1266 | ||
1267 | die "no such volume gruoup '$vg'\n" if !defined ($vgs->{$vg}); | |
1268 | ||
1269 | my $free = int ($vgs->{$vg}->{free}); | |
1270 | ||
1271 | die "not enough free space ($free < $size)\n" if $free < $size; | |
1272 | ||
1273 | if (!$name) { | |
1274 | my $lvs = lvm_lvs ($vg); | |
1275 | ||
1276 | for (my $i = 1; $i < 100; $i++) { | |
1277 | my $tn = "vm-$vmid-disk-$i"; | |
1278 | if (!defined ($lvs->{$vg}->{$tn})) { | |
1279 | $name = $tn; | |
1280 | last; | |
1281 | } | |
1282 | } | |
1283 | } | |
1284 | ||
1285 | die "unable to allocate an image name for VM $vmid in storage '$storeid'\n" | |
1286 | if !$name; | |
1287 | ||
9dec0cb1 | 1288 | my $cmd = ['/sbin/lvcreate', '-aly', '--addtag', "pve-vm-$vmid", '--size', "${size}k", '--name', $name, $vg]; |
b6cf0a66 DM |
1289 | |
1290 | run_command ($cmd); | |
1291 | ||
1292 | return "$storeid:$name"; | |
1293 | ||
1294 | } elsif ($scfg->{type} eq 'iscsi') { | |
1295 | die "can't allocate space in iscsi storage\n"; | |
1296 | } else { | |
1297 | die "unknown storage type '$scfg->{type}'"; | |
1298 | } | |
1299 | }); | |
1300 | } | |
1301 | ||
1302 | sub vdisk_free { | |
1303 | my ($cfg, $volid) = @_; | |
1304 | ||
1305 | my ($storeid, $volname) = parse_volume_id ($volid); | |
1306 | ||
1307 | my $scfg = storage_config ($cfg, $storeid); | |
1308 | ||
1309 | activate_storage ($cfg, $storeid); | |
1310 | ||
1311 | # lock shared storage | |
1312 | cluster_lock_storage($storeid, $scfg->{shared}, undef, sub { | |
1313 | ||
1314 | if ($scfg->{type} eq 'dir' || $scfg->{type} eq 'nfs') { | |
1315 | my $path = path ($cfg, $volid); | |
1316 | ||
1317 | if (! -f $path) { | |
1318 | warn "disk image '$path' does not exists\n"; | |
1319 | } else { | |
1320 | unlink $path; | |
1321 | } | |
1322 | } elsif ($scfg->{type} eq 'lvm') { | |
1323 | ||
1324 | my $vg = $scfg->{vgname}; | |
1325 | ||
1326 | my $cmd = ['/sbin/lvremove', '-f', "$vg/$volname"]; | |
1327 | ||
1328 | run_command ($cmd); | |
1329 | } elsif ($scfg->{type} eq 'iscsi') { | |
1330 | die "can't free space in iscsi storage\n"; | |
1331 | } else { | |
1332 | die "unknown storage type '$scfg->{type}'"; | |
1333 | } | |
1334 | }); | |
1335 | } | |
1336 | ||
1337 | # lvm utility functions | |
1338 | ||
1339 | sub lvm_pv_info { | |
1340 | my ($device) = @_; | |
1341 | ||
1342 | die "no device specified" if !$device; | |
1343 | ||
1344 | my $has_label = 0; | |
1345 | ||
1346 | my $cmd = ['/usr/bin/file', '-L', '-s', $device]; | |
1347 | run_command ($cmd, outfunc => sub { | |
1348 | my $line = shift; | |
1349 | $has_label = 1 if $line =~ m/LVM2/; | |
1350 | }); | |
1351 | ||
1352 | return undef if !$has_label; | |
1353 | ||
1354 | $cmd = ['/sbin/pvs', '--separator', ':', '--noheadings', '--units', 'k', | |
1355 | '--unbuffered', '--nosuffix', '--options', | |
1356 | 'pv_name,pv_size,vg_name,pv_uuid', $device]; | |
1357 | ||
1358 | my $pvinfo; | |
1359 | run_command ($cmd, outfunc => sub { | |
1360 | my $line = shift; | |
1361 | ||
1362 | $line = trim($line); | |
1363 | ||
1364 | my ($pvname, $size, $vgname, $uuid) = split (':', $line); | |
1365 | ||
1366 | die "found multiple pvs entries for device '$device'\n" | |
1367 | if $pvinfo; | |
1368 | ||
1369 | $pvinfo = { | |
1370 | pvname => $pvname, | |
1371 | size => $size, | |
1372 | vgname => $vgname, | |
1373 | uuid => $uuid, | |
1374 | }; | |
1375 | }); | |
1376 | ||
1377 | return $pvinfo; | |
1378 | } | |
1379 | ||
1380 | sub clear_first_sector { | |
1381 | my ($dev) = shift; | |
1382 | ||
1383 | if (my $fh = IO::File->new ($dev, "w")) { | |
1384 | my $buf = 0 x 512; | |
1385 | syswrite $fh, $buf; | |
1386 | $fh->close(); | |
1387 | } | |
1388 | } | |
1389 | ||
1390 | sub lvm_create_volume_group { | |
1391 | my ($device, $vgname, $shared) = @_; | |
1392 | ||
1393 | my $res = lvm_pv_info ($device); | |
1394 | ||
1395 | if ($res->{vgname}) { | |
1396 | return if $res->{vgname} eq $vgname; # already created | |
1397 | die "device '$device' is already used by volume group '$res->{vgname}'\n"; | |
1398 | } | |
1399 | ||
1400 | clear_first_sector ($device); # else pvcreate fails | |
1401 | ||
1402 | # we use --metadatasize 250k, which reseults in "pe_start = 512" | |
1403 | # so pe_start is aligned on a 128k boundary (advantage for SSDs) | |
1404 | my $cmd = ['/sbin/pvcreate', '--metadatasize', '250k', $device]; | |
1405 | ||
1406 | run_command ($cmd); | |
1407 | ||
1408 | $cmd = ['/sbin/vgcreate', $vgname, $device]; | |
1409 | # push @$cmd, '-c', 'y' if $shared; # we do not use this yet | |
1410 | ||
1411 | run_command ($cmd); | |
1412 | } | |
1413 | ||
1414 | sub lvm_vgs { | |
1415 | ||
1416 | my $cmd = ['/sbin/vgs', '--separator', ':', '--noheadings', '--units', 'b', | |
1417 | '--unbuffered', '--nosuffix', '--options', | |
1418 | 'vg_name,vg_size,vg_free']; | |
1419 | ||
1420 | my $vgs = {}; | |
1421 | run_command ($cmd, outfunc => sub { | |
1422 | my $line = shift; | |
1423 | ||
1424 | $line = trim($line); | |
1425 | ||
1426 | my ($name, $size, $free) = split (':', $line); | |
1427 | ||
1428 | $vgs->{$name} = { size => int ($size), free => int ($free) }; | |
1429 | }); | |
1430 | ||
1431 | return $vgs; | |
1432 | } | |
1433 | ||
1434 | sub lvm_lvs { | |
1435 | my ($vgname) = @_; | |
1436 | ||
1437 | my $cmd = ['/sbin/lvs', '--separator', ':', '--noheadings', '--units', 'b', | |
1438 | '--unbuffered', '--nosuffix', '--options', | |
1439 | 'vg_name,lv_name,lv_size,uuid,tags']; | |
1440 | ||
1441 | push @$cmd, $vgname if $vgname; | |
1442 | ||
1443 | my $lvs = {}; | |
1444 | run_command ($cmd, outfunc => sub { | |
1445 | my $line = shift; | |
1446 | ||
1447 | $line = trim($line); | |
1448 | ||
1449 | my ($vg, $name, $size, $uuid, $tags) = split (':', $line); | |
1450 | ||
1451 | return if $name !~ m/^vm-(\d+)-/; | |
1452 | my $nid = $1; | |
1453 | ||
1454 | my $owner; | |
1455 | foreach my $tag (split (/,/, $tags)) { | |
1456 | if ($tag =~ m/^pve-vm-(\d+)$/) { | |
1457 | $owner = $1; | |
1458 | last; | |
1459 | } | |
1460 | } | |
1461 | ||
1462 | if ($owner) { | |
1463 | if ($owner ne $nid) { | |
1464 | warn "owner mismatch name = $name, owner = $owner\n"; | |
1465 | } | |
1466 | ||
1467 | $lvs->{$vg}->{$name} = { format => 'raw', size => $size, | |
1468 | uuid => $uuid, tags => $tags, | |
1469 | vmid => $owner }; | |
1470 | } | |
1471 | }); | |
1472 | ||
1473 | return $lvs; | |
1474 | } | |
1475 | ||
1476 | #install iso or openvz template ($tt = <iso|vztmpl>) | |
1477 | # we simply overwrite when file already exists | |
1478 | sub install_template { | |
1479 | my ($cfg, $storeid, $tt, $srcfile, $destfile) = @_; | |
1480 | ||
1481 | my $scfg = storage_config ($cfg, $storeid); | |
1482 | ||
1483 | my $type = $scfg->{type}; | |
1484 | ||
1485 | die "invalid storage type '$type'" if !($type eq 'dir' || $type eq 'nfs'); | |
1486 | ||
1487 | my $path; | |
1488 | ||
1489 | if ($tt eq 'iso') { | |
1490 | die "file '$destfile' has no '.iso' extension\n" | |
1491 | if $destfile !~ m![^/]+\.[Ii][Ss][Oo]$!; | |
1492 | die "storage '$storeid' does not support 'iso' content\n" | |
1493 | if !$scfg->{content}->{iso}; | |
1494 | $path = get_iso_dir ($cfg, $storeid); | |
1495 | } elsif ($tt eq 'vztmpl') { | |
1496 | die "file '$destfile' has no '.tar.gz' extension\n" | |
1497 | if $destfile !~ m![^/]+\.tar\.gz$!; | |
1498 | die "storage '$storeid' does not support 'vztmpl' content\n" | |
1499 | if !$scfg->{content}->{vztmpl}; | |
1500 | $path = get_vztmpl_dir ($cfg, $storeid); | |
1501 | } else { | |
1502 | die "unknown template type '$tt'"; | |
1503 | } | |
1504 | ||
1505 | activate_storage ($cfg, $storeid); | |
1506 | ||
1507 | my $dest = "$path/$destfile"; | |
1508 | ||
1509 | my $cmd = ['cp', $srcfile, $dest]; | |
1510 | ||
1511 | eval { run_command ($cmd); }; | |
1512 | my $err = $@; | |
1513 | ||
1514 | if ($err) { | |
1515 | unlink $dest; | |
1516 | die $err; | |
1517 | } | |
1518 | } | |
1519 | ||
1520 | #list iso or openvz template ($tt = <iso|vztmpl|backup>) | |
1521 | sub template_list { | |
1522 | my ($cfg, $storeid, $tt) = @_; | |
1523 | ||
1524 | die "unknown template type '$tt'\n" if !($tt eq 'iso' || $tt eq 'vztmpl' || $tt eq 'backup'); | |
1525 | ||
1526 | my $ids = $cfg->{ids}; | |
1527 | ||
1528 | storage_check_enabled($cfg, $storeid) if ($storeid); | |
1529 | ||
1530 | my $res = {}; | |
1531 | ||
1532 | # query the storage | |
1533 | ||
1534 | foreach my $sid (keys %$ids) { | |
1535 | next if $storeid && $storeid ne $sid; | |
1536 | ||
1537 | my $scfg = $ids->{$sid}; | |
1538 | my $type = $scfg->{type}; | |
1539 | ||
1540 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
1541 | ||
1542 | next if $tt eq 'iso' && !$scfg->{content}->{iso}; | |
1543 | next if $tt eq 'vztmpl' && !$scfg->{content}->{vztmpl}; | |
1544 | next if $tt eq 'backup' && !$scfg->{content}->{backup}; | |
1545 | ||
1546 | activate_storage ($cfg, $sid); | |
1547 | ||
1548 | if ($type eq 'dir' || $type eq 'nfs') { | |
1549 | ||
1550 | my $path; | |
1551 | if ($tt eq 'iso') { | |
1552 | $path = get_iso_dir ($cfg, $sid); | |
1553 | } elsif ($tt eq 'vztmpl') { | |
1554 | $path = get_vztmpl_dir ($cfg, $sid); | |
1555 | } elsif ($tt eq 'backup') { | |
1556 | $path = $scfg->{path}; | |
1557 | } else { | |
1558 | die "unknown template type '$tt'\n"; | |
1559 | } | |
1560 | ||
1561 | foreach my $fn (<$path/*>) { | |
1562 | ||
1563 | my $info; | |
1564 | ||
1565 | if ($tt eq 'iso') { | |
1566 | next if $fn !~ m!/([^/]+\.[Ii][Ss][Oo])$!; | |
1567 | ||
1568 | $info = { volid => "$sid:iso/$1", format => 'iso' }; | |
1569 | ||
1570 | } elsif ($tt eq 'vztmpl') { | |
1571 | next if $fn !~ m!/([^/]+\.tar\.gz)$!; | |
1572 | ||
1573 | $info = { volid => "$sid:vztmpl/$1", format => 'tgz' }; | |
1574 | ||
1575 | } elsif ($tt eq 'backup') { | |
1576 | next if $fn !~ m!/([^/]+\.(tar|tgz))$!; | |
1577 | ||
1578 | $info = { volid => "$sid:backup/$1", format => $2 }; | |
1579 | } | |
1580 | ||
1581 | $info->{size} = -s $fn; | |
1582 | ||
1583 | push @{$res->{$sid}}, $info; | |
1584 | } | |
1585 | ||
1586 | } | |
1587 | ||
1588 | @{$res->{$sid}} = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @{$res->{$sid}} if $res->{$sid}; | |
1589 | } | |
1590 | ||
1591 | return $res; | |
1592 | } | |
1593 | ||
1594 | sub file_size_info { | |
1595 | my ($filename, $timeout) = @_; | |
1596 | ||
1597 | my $cmd = ['/usr/bin/qemu-img', 'info', $filename]; | |
1598 | ||
1599 | my $format; | |
1600 | my $size = 0; | |
1601 | my $used = 0; | |
1602 | ||
1603 | eval { | |
1604 | run_command ($cmd, timeout => $timeout, outfunc => sub { | |
1605 | my $line = shift; | |
1606 | ||
1607 | if ($line =~ m/^file format:\s+(\S+)\s*$/) { | |
1608 | $format = $1; | |
1609 | } elsif ($line =~ m/^virtual size:\s\S+\s+\((\d+)\s+bytes\)$/) { | |
1610 | $size = int($1); | |
1611 | } elsif ($line =~ m/^disk size:\s+(\d+(.\d+)?)([KMGT])\s*$/) { | |
1612 | $used = $1; | |
1613 | my $u = $3; | |
1614 | ||
1615 | $used *= 1024 if $u eq 'K'; | |
1616 | $used *= (1024*1024) if $u eq 'M'; | |
1617 | $used *= (1024*1024*1024) if $u eq 'G'; | |
1618 | $used *= (1024*1024*1024*1024) if $u eq 'T'; | |
1619 | ||
1620 | $used = int($used); | |
1621 | } | |
1622 | }); | |
1623 | }; | |
1624 | ||
1625 | return wantarray ? ($size, $format, $used) : $size; | |
1626 | } | |
1627 | ||
1628 | sub vdisk_list { | |
1629 | my ($cfg, $storeid, $vmid, $vollist) = @_; | |
1630 | ||
1631 | my $ids = $cfg->{ids}; | |
1632 | ||
1633 | storage_check_enabled($cfg, $storeid) if ($storeid); | |
1634 | ||
1635 | my $res = {}; | |
1636 | ||
1637 | # prepare/activate/refresh all storages | |
1638 | ||
1639 | my $stypes = {}; | |
1640 | ||
1641 | my $storage_list = []; | |
1642 | if ($vollist) { | |
1643 | foreach my $volid (@$vollist) { | |
1644 | my ($sid, undef) = parse_volume_id ($volid); | |
1645 | next if !defined ($ids->{$sid}); | |
1646 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
1647 | push @$storage_list, $sid; | |
1648 | $stypes->{$ids->{$sid}->{type}} = 1; | |
1649 | } | |
1650 | } else { | |
1651 | foreach my $sid (keys %$ids) { | |
1652 | next if $storeid && $storeid ne $sid; | |
1653 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
1654 | push @$storage_list, $sid; | |
1655 | $stypes->{$ids->{$sid}->{type}} = 1; | |
1656 | } | |
1657 | } | |
1658 | ||
1659 | activate_storage_list ($cfg, $storage_list); | |
1660 | ||
1661 | my $lvs = $stypes->{lvm} ? lvm_lvs () : {}; | |
1662 | ||
1663 | my $iscsi_devices = iscsi_device_list() if $stypes->{iscsi}; | |
1664 | ||
1665 | # query the storage | |
1666 | ||
1667 | foreach my $sid (keys %$ids) { | |
1668 | if ($storeid) { | |
1669 | next if $storeid ne $sid; | |
1670 | next if !storage_check_enabled($cfg, $sid, undef, 1); | |
1671 | } | |
1672 | my $scfg = $ids->{$sid}; | |
1673 | my $type = $scfg->{type}; | |
1674 | ||
1675 | if ($type eq 'dir' || $type eq 'nfs') { | |
1676 | ||
1677 | my $path = $scfg->{path}; | |
1678 | ||
1679 | my $fmts = join ('|', keys %{$default_config->{$type}->{format}->[0]}); | |
1680 | ||
1681 | foreach my $fn (<$path/images/[0-9][0-9]*/*>) { | |
1682 | ||
1683 | next if $fn !~ m!^(/.+/images/(\d+)/([^/]+\.($fmts)))$!; | |
1684 | $fn = $1; # untaint | |
1685 | ||
1686 | my $owner = $2; | |
1687 | my $name = $3; | |
1688 | my $volid = "$sid:$owner/$name"; | |
1689 | ||
1690 | if ($vollist) { | |
1691 | my $found = grep { $_ eq $volid } @$vollist; | |
1692 | next if !$found; | |
1693 | } else { | |
1694 | next if defined ($vmid) && ($owner ne $vmid); | |
1695 | } | |
1696 | ||
1697 | my ($size, $format, $used) = file_size_info ($fn); | |
1698 | ||
1699 | if ($format && $size) { | |
1700 | push @{$res->{$sid}}, { | |
1701 | volid => $volid, format => $format, | |
1702 | size => $size, vmid => $owner, used => $used }; | |
1703 | } | |
1704 | ||
1705 | } | |
1706 | ||
1707 | } elsif ($type eq 'lvm') { | |
1708 | ||
1709 | my $vgname = $scfg->{vgname}; | |
1710 | ||
1711 | if (my $dat = $lvs->{$vgname}) { | |
1712 | ||
1713 | foreach my $volname (keys %$dat) { | |
1714 | ||
1715 | my $owner = $dat->{$volname}->{vmid}; | |
1716 | ||
1717 | my $volid = "$sid:$volname"; | |
1718 | ||
1719 | if ($vollist) { | |
1720 | my $found = grep { $_ eq $volid } @$vollist; | |
1721 | next if !$found; | |
1722 | } else { | |
1723 | next if defined ($vmid) && ($owner ne $vmid); | |
1724 | } | |
1725 | ||
1726 | my $info = $dat->{$volname}; | |
1727 | $info->{volid} = $volid; | |
1728 | ||
1729 | push @{$res->{$sid}}, $info; | |
1730 | } | |
1731 | } | |
1732 | ||
1733 | } elsif ($type eq 'iscsi') { | |
1734 | ||
1735 | # we have no owner for iscsi devices | |
1736 | ||
1737 | my $target = $scfg->{target}; | |
1738 | ||
1739 | if (my $dat = $iscsi_devices->{$target}) { | |
1740 | ||
1741 | foreach my $volname (keys %$dat) { | |
1742 | ||
1743 | my $volid = "$sid:$volname"; | |
1744 | ||
1745 | if ($vollist) { | |
1746 | my $found = grep { $_ eq $volid } @$vollist; | |
1747 | next if !$found; | |
1748 | } else { | |
1749 | next if !($storeid && ($storeid eq $sid)); | |
1750 | } | |
1751 | ||
1752 | my $info = $dat->{$volname}; | |
1753 | $info->{volid} = $volid; | |
1754 | ||
1755 | push @{$res->{$sid}}, $info; | |
1756 | } | |
1757 | } | |
1758 | ||
1759 | } else { | |
1760 | die "implement me"; | |
1761 | } | |
1762 | ||
1763 | @{$res->{$sid}} = sort {lc($a->{volid}) cmp lc ($b->{volid}) } @{$res->{$sid}} if $res->{$sid}; | |
1764 | } | |
1765 | ||
1766 | return $res; | |
1767 | } | |
1768 | ||
1769 | sub nfs_is_mounted { | |
1770 | my ($server, $export, $mountpoint, $mountdata) = @_; | |
1771 | ||
1772 | my $source = "$server:$export"; | |
1773 | ||
1774 | $mountdata = read_proc_mounts() if !$mountdata; | |
1775 | ||
1776 | if ($mountdata =~ m/^$source\s$mountpoint\snfs/m) { | |
1777 | return $mountpoint; | |
1778 | } | |
1779 | ||
1780 | return undef; | |
1781 | } | |
1782 | ||
1783 | sub nfs_mount { | |
1784 | my ($server, $export, $mountpoint, $options) = @_; | |
1785 | ||
1786 | my $source = "$server:$export"; | |
1787 | ||
1788 | my $cmd = ['/bin/mount', '-t', 'nfs', $source, $mountpoint]; | |
1789 | if ($options) { | |
1790 | push @$cmd, '-o', $options; | |
1791 | } | |
1792 | ||
1793 | run_command ($cmd); | |
1794 | } | |
1795 | ||
1796 | sub uevent_seqnum { | |
1797 | ||
1798 | my $filename = "/sys/kernel/uevent_seqnum"; | |
1799 | ||
1800 | my $seqnum = 0; | |
1801 | if (my $fh = IO::File->new ($filename, "r")) { | |
1802 | my $line = <$fh>; | |
1803 | if ($line =~ m/^(\d+)$/) { | |
1804 | $seqnum = int ($1); | |
1805 | } | |
1806 | close ($fh); | |
1807 | } | |
1808 | return $seqnum; | |
1809 | } | |
1810 | ||
1811 | sub __activate_storage_full { | |
1812 | my ($cfg, $storeid, $session) = @_; | |
1813 | ||
1814 | my $scfg = storage_check_enabled($cfg, $storeid); | |
1815 | ||
1816 | return if $session->{activated}->{$storeid}; | |
1817 | ||
1818 | if (!$session->{mountdata}) { | |
1819 | $session->{mountdata} = read_proc_mounts(); | |
1820 | } | |
1821 | ||
1822 | if (!$session->{uevent_seqnum}) { | |
1823 | $session->{uevent_seqnum} = uevent_seqnum (); | |
1824 | } | |
1825 | ||
1826 | my $mountdata = $session->{mountdata}; | |
1827 | ||
1828 | my $type = $scfg->{type}; | |
1829 | ||
1830 | if ($type eq 'dir' || $type eq 'nfs') { | |
1831 | ||
1832 | my $path = $scfg->{path}; | |
1833 | ||
1834 | if ($type eq 'nfs') { | |
1835 | my $server = $scfg->{server}; | |
1836 | my $export = $scfg->{export}; | |
1837 | ||
1838 | if (!nfs_is_mounted ($server, $export, $path, $mountdata)) { | |
1839 | ||
1840 | # NOTE: only call mkpath when not mounted (avoid hang | |
1841 | # when NFS server is offline | |
1842 | ||
1843 | mkpath $path; | |
1844 | ||
1845 | die "unable to activate storage '$storeid' - " . | |
1846 | "directory '$path' does not exist\n" if ! -d $path; | |
1847 | ||
1848 | nfs_mount ($server, $export, $path, $scfg->{options}); | |
1849 | } | |
1850 | ||
1851 | } else { | |
1852 | ||
1853 | mkpath $path; | |
1854 | ||
1855 | die "unable to activate storage '$storeid' - " . | |
1856 | "directory '$path' does not exist\n" if ! -d $path; | |
1857 | } | |
1858 | ||
1859 | my $imagedir = get_image_dir ($cfg, $storeid); | |
1860 | my $isodir = get_iso_dir ($cfg, $storeid); | |
1861 | my $tmpldir = get_vztmpl_dir ($cfg, $storeid); | |
1862 | ||
1863 | if (defined($scfg->{content})) { | |
1864 | mkpath $imagedir if $scfg->{content}->{images} && | |
1865 | $imagedir ne $path; | |
1866 | mkpath $isodir if $scfg->{content}->{iso} && | |
1867 | $isodir ne $path; | |
1868 | mkpath $tmpldir if $scfg->{content}->{vztmpl} && | |
1869 | $tmpldir ne $path; | |
1870 | } | |
1871 | ||
1872 | } elsif ($type eq 'lvm') { | |
1873 | ||
1874 | if ($scfg->{base}) { | |
1875 | my ($baseid, undef) = parse_volume_id ($scfg->{base}); | |
1876 | __activate_storage_full ($cfg, $baseid, $session); | |
1877 | } | |
1878 | ||
1879 | if (!$session->{vgs}) { | |
1880 | $session->{vgs} = lvm_vgs(); | |
1881 | } | |
1882 | ||
1883 | # In LVM2, vgscans take place automatically; | |
1884 | # this is just to be sure | |
1885 | if ($session->{vgs} && !$session->{vgscaned} && | |
1886 | !$session->{vgs}->{$scfg->{vgname}}) { | |
1887 | $session->{vgscaned} = 1; | |
1888 | my $cmd = ['/sbin/vgscan', '--ignorelockingfailure', '--mknodes']; | |
1889 | eval { run_command ($cmd, outfunc => sub {}); }; | |
1890 | warn $@ if $@; | |
1891 | } | |
1892 | ||
1893 | my $cmd = ['/sbin/vgchange', '-aly', $scfg->{vgname}]; | |
1894 | run_command ($cmd, outfunc => sub {}); | |
1895 | ||
1896 | } elsif ($type eq 'iscsi') { | |
1897 | ||
1898 | return if !check_iscsi_support(1); | |
1899 | ||
1900 | $session->{iscsi_sessions} = iscsi_session_list() | |
1901 | if !$session->{iscsi_sessions}; | |
1902 | ||
1903 | my $iscsi_sess = $session->{iscsi_sessions}->{$scfg->{target}}; | |
1904 | if (!defined ($iscsi_sess)) { | |
1905 | eval { iscsi_login ($scfg->{target}, $scfg->{portal}); }; | |
1906 | warn $@ if $@; | |
1907 | } else { | |
1908 | # make sure we get all devices | |
1909 | iscsi_session_rescan ($iscsi_sess); | |
1910 | } | |
1911 | ||
1912 | } else { | |
1913 | die "implement me"; | |
1914 | } | |
1915 | ||
1916 | my $newseq = uevent_seqnum (); | |
1917 | ||
1918 | # only call udevsettle if there are events | |
1919 | if ($newseq > $session->{uevent_seqnum}) { | |
1920 | my $timeout = 30; | |
1921 | system ("$UDEVADM settle --timeout=$timeout"); # ignore errors | |
1922 | $session->{uevent_seqnum} = $newseq; | |
1923 | } | |
1924 | ||
1925 | $session->{activated}->{$storeid} = 1; | |
1926 | } | |
1927 | ||
1928 | sub activate_storage_list { | |
1929 | my ($cfg, $storeid_list, $session) = @_; | |
1930 | ||
1931 | $session = {} if !$session; | |
1932 | ||
1933 | foreach my $storeid (@$storeid_list) { | |
1934 | __activate_storage_full ($cfg, $storeid, $session); | |
1935 | } | |
1936 | } | |
1937 | ||
1938 | sub activate_storage { | |
1939 | my ($cfg, $storeid) = @_; | |
1940 | ||
1941 | my $session = {}; | |
1942 | ||
1943 | __activate_storage_full ($cfg, $storeid, $session); | |
1944 | } | |
1945 | ||
1946 | sub activate_volumes { | |
1947 | my ($cfg, $vollist) = @_; | |
1948 | ||
1949 | my $storagehash = {}; | |
1950 | foreach my $volid (@$vollist) { | |
1951 | my ($storeid, undef) = parse_volume_id ($volid); | |
1952 | $storagehash->{$storeid} = 1; | |
1953 | } | |
1954 | ||
1955 | activate_storage_list ($cfg, [keys %$storagehash]); | |
1956 | ||
1957 | foreach my $volid (@$vollist) { | |
1958 | my ($storeid, $volname) = parse_volume_id ($volid); | |
1959 | ||
1960 | my $scfg = storage_config ($cfg, $storeid); | |
1961 | ||
1962 | my $path = path ($cfg, $volid); | |
1963 | ||
1964 | if ($scfg->{type} eq 'lvm') { | |
1965 | my $cmd = ['/sbin/lvchange', '-aly', $path]; | |
1966 | eval { run_command ($cmd); }; | |
1967 | warn $@ if $@; | |
1968 | } | |
1969 | ||
1970 | # check is volume exists | |
1971 | if ($scfg->{type} eq 'dir' || $scfg->{type} eq 'nfs') { | |
1972 | die "volume '$volid' does not exist\n" if ! -f $path; | |
1973 | } else { | |
1974 | die "volume '$volid' does not exist\n" if ! -b $path; | |
1975 | } | |
1976 | } | |
1977 | } | |
1978 | ||
1979 | sub deactivate_volumes { | |
1980 | my ($cfg, $vollist) = @_; | |
1981 | ||
1982 | my $lvs = lvm_lvs (); | |
1983 | ||
1984 | foreach my $volid (@$vollist) { | |
1985 | my ($storeid, $volname) = parse_volume_id ($volid); | |
1986 | ||
1987 | my $scfg = storage_config ($cfg, $storeid); | |
1988 | ||
1989 | if ($scfg->{type} eq 'lvm') { | |
1990 | my ($name) = parse_volname_lvm ($volname); | |
1991 | ||
1992 | if ($lvs->{$scfg->{vgname}}->{$name}) { | |
1993 | my $path = path ($cfg, $volid); | |
1994 | my $cmd = ['/sbin/lvchange', '-aln', $path]; | |
1995 | eval { run_command ($cmd); }; | |
1996 | warn $@ if $@; | |
1997 | } | |
1998 | } | |
1999 | } | |
2000 | } | |
2001 | ||
2002 | sub deactivate_storage { | |
2003 | my ($cfg, $storeid) = @_; | |
2004 | ||
2005 | my $iscsi_sessions; | |
2006 | ||
2007 | my $scfg = storage_config ($cfg, $storeid); | |
2008 | ||
2009 | my $type = $scfg->{type}; | |
2010 | ||
2011 | if ($type eq 'dir') { | |
2012 | # nothing to do | |
2013 | } elsif ($type eq 'nfs') { | |
2014 | my $mountdata = read_proc_mounts(); | |
2015 | my $server = $scfg->{server}; | |
2016 | my $export = $scfg->{export}; | |
2017 | my $path = $scfg->{path}; | |
2018 | ||
2019 | my $cmd = ['/bin/umount', $path]; | |
2020 | ||
2021 | run_command ($cmd) if nfs_is_mounted ($server, $export, $path, $mountdata); | |
2022 | } elsif ($type eq 'lvm') { | |
2023 | my $cmd = ['/sbin/vgchange', '-aln', $scfg->{vgname}]; | |
2024 | run_command ($cmd); | |
2025 | } elsif ($type eq 'iscsi') { | |
2026 | my $portal = $scfg->{portal}; | |
2027 | my $target = $scfg->{target}; | |
2028 | ||
2029 | my $iscsi_sessions = iscsi_session_list(); | |
2030 | iscsi_logout ($target, $portal) | |
2031 | if defined ($iscsi_sessions->{$target}); | |
2032 | ||
2033 | } else { | |
2034 | die "implement me"; | |
2035 | } | |
2036 | } | |
2037 | ||
2038 | sub storage_info { | |
2039 | my ($cfg, $content) = @_; | |
2040 | ||
2041 | my $ids = $cfg->{ids}; | |
2042 | ||
2043 | my $info = {}; | |
2044 | my $stypes = {}; | |
2045 | ||
2046 | my $slist = []; | |
2047 | foreach my $storeid (keys %$ids) { | |
2048 | ||
2049 | next if $content && !$ids->{$storeid}->{content}->{$content}; | |
2050 | ||
2051 | next if !storage_check_enabled($cfg, $storeid, undef, 1); | |
2052 | ||
2053 | my $type = $ids->{$storeid}->{type}; | |
2054 | ||
2055 | $info->{$storeid} = { | |
2056 | type => $type, | |
2057 | total => 0, | |
2058 | avail => 0, | |
2059 | used => 0, | |
04a2e4f3 | 2060 | shared => $ids->{$storeid}->{shared} ? 1 : 0, |
b6cf0a66 DM |
2061 | content => content_hash_to_string($ids->{$storeid}->{content}), |
2062 | active => 0, | |
2063 | }; | |
2064 | ||
2065 | $stypes->{$type} = 1; | |
2066 | ||
2067 | push @$slist, $storeid; | |
2068 | } | |
2069 | ||
2070 | my $session = {}; | |
2071 | my $mountdata = ''; | |
2072 | my $iscsi_sessions = {}; | |
2073 | my $vgs = {}; | |
2074 | ||
2075 | if ($stypes->{lvm}) { | |
2076 | $session->{vgs} = lvm_vgs(); | |
2077 | $vgs = $session->{vgs}; | |
2078 | } | |
2079 | if ($stypes->{nfs}) { | |
2080 | $mountdata = read_proc_mounts(); | |
2081 | $session->{mountdata} = $mountdata; | |
2082 | } | |
2083 | if ($stypes->{iscsi}) { | |
2084 | $iscsi_sessions = iscsi_session_list(); | |
2085 | $session->{iscsi_sessions} = $iscsi_sessions; | |
2086 | } | |
2087 | ||
2088 | eval { activate_storage_list ($cfg, $slist, $session); }; | |
2089 | ||
2090 | foreach my $storeid (keys %$ids) { | |
2091 | my $scfg = $ids->{$storeid}; | |
2092 | ||
2093 | next if !$info->{$storeid}; | |
2094 | ||
2095 | my $type = $scfg->{type}; | |
2096 | ||
2097 | if ($type eq 'dir' || $type eq 'nfs') { | |
2098 | ||
2099 | my $path = $scfg->{path}; | |
2100 | ||
2101 | if ($type eq 'nfs') { | |
2102 | my $server = $scfg->{server}; | |
2103 | my $export = $scfg->{export}; | |
2104 | ||
2105 | next if !nfs_is_mounted ($server, $export, $path, $mountdata); | |
2106 | } | |
2107 | ||
2108 | my $timeout = 2; | |
2109 | my $res = PVE::Tools::df($path, $timeout); | |
2110 | ||
2111 | next if !$res || !$res->{total}; | |
2112 | ||
2113 | $info->{$storeid}->{total} = $res->{total}; | |
2114 | $info->{$storeid}->{avail} = $res->{avail}; | |
2115 | $info->{$storeid}->{used} = $res->{used}; | |
2116 | $info->{$storeid}->{active} = 1; | |
2117 | ||
2118 | } elsif ($type eq 'lvm') { | |
2119 | ||
2120 | my $vgname = $scfg->{vgname}; | |
2121 | ||
2122 | my $total = 0; | |
2123 | my $free = 0; | |
2124 | ||
2125 | if (defined ($vgs->{$vgname})) { | |
2126 | $total = $vgs->{$vgname}->{size}; | |
2127 | $free = $vgs->{$vgname}->{free}; | |
2128 | ||
2129 | $info->{$storeid}->{total} = $total; | |
2130 | $info->{$storeid}->{avail} = $free; | |
2131 | $info->{$storeid}->{used} = $total - $free; | |
2132 | $info->{$storeid}->{active} = 1; | |
2133 | } | |
2134 | ||
2135 | } elsif ($type eq 'iscsi') { | |
2136 | ||
2137 | $info->{$storeid}->{total} = 0; | |
2138 | $info->{$storeid}->{avail} = 0; | |
2139 | $info->{$storeid}->{used} = 0; | |
2140 | $info->{$storeid}->{active} = | |
2141 | defined ($iscsi_sessions->{$scfg->{target}}); | |
2142 | ||
2143 | } else { | |
2144 | die "implement me"; | |
2145 | } | |
2146 | } | |
2147 | ||
2148 | return $info; | |
2149 | } | |
2150 | ||
2151 | sub resolv_server { | |
2152 | my ($server) = @_; | |
2153 | ||
2154 | my $packed_ip = gethostbyname($server); | |
2155 | if (defined $packed_ip) { | |
2156 | return inet_ntoa($packed_ip); | |
2157 | } | |
2158 | return undef; | |
2159 | } | |
2160 | ||
2161 | sub scan_nfs { | |
2162 | my ($server_in) = @_; | |
2163 | ||
2164 | my $server; | |
2165 | if (!($server = resolv_server ($server_in))) { | |
2166 | die "unable to resolve address for server '${server_in}'\n"; | |
2167 | } | |
2168 | ||
2169 | my $cmd = ['/sbin/showmount', '--no-headers', '--exports', $server]; | |
2170 | ||
2171 | my $res = {}; | |
2172 | run_command ($cmd, outfunc => sub { | |
2173 | my $line = shift; | |
2174 | ||
2175 | # note: howto handle white spaces in export path?? | |
2176 | if ($line =~ m!^(/\S+)\s+(.+)$!) { | |
2177 | $res->{$1} = $2; | |
2178 | } | |
2179 | }); | |
2180 | ||
2181 | return $res; | |
2182 | } | |
2183 | ||
2184 | sub resolv_portal { | |
2185 | my ($portal, $noerr) = @_; | |
2186 | ||
2187 | if ($portal =~ m/^([^:]+)(:(\d+))?$/) { | |
2188 | my $server = $1; | |
2189 | my $port = $3; | |
2190 | ||
2191 | if (my $ip = resolv_server($server)) { | |
2192 | $server = $ip; | |
2193 | return $port ? "$server:$port" : $server; | |
2194 | } | |
2195 | } | |
2196 | return undef if $noerr; | |
2197 | ||
2198 | raise_param_exc({ portal => "unable to resolve portal address '$portal'" }); | |
2199 | } | |
2200 | ||
2201 | # idea is from usbutils package (/usr/bin/usb-devices) script | |
2202 | sub __scan_usb_device { | |
2203 | my ($res, $devpath, $parent, $level) = @_; | |
2204 | ||
2205 | return if ! -d $devpath; | |
2206 | return if $level && $devpath !~ m/^.*[-.](\d+)$/; | |
2207 | my $port = $level ? int($1 - 1) : 0; | |
2208 | ||
2209 | my $busnum = int(file_read_firstline("$devpath/busnum")); | |
2210 | my $devnum = int(file_read_firstline("$devpath/devnum")); | |
2211 | ||
2212 | my $d = { | |
2213 | port => $port, | |
2214 | level => $level, | |
2215 | busnum => $busnum, | |
2216 | devnum => $devnum, | |
2217 | speed => file_read_firstline("$devpath/speed"), | |
2218 | class => hex(file_read_firstline("$devpath/bDeviceClass")), | |
2219 | vendid => file_read_firstline("$devpath/idVendor"), | |
2220 | prodid => file_read_firstline("$devpath/idProduct"), | |
2221 | }; | |
2222 | ||
2223 | if ($level) { | |
2224 | my $usbpath = $devpath; | |
2225 | $usbpath =~ s|^.*/\d+\-||; | |
2226 | $d->{usbpath} = $usbpath; | |
2227 | } | |
2228 | ||
2229 | my $product = file_read_firstline("$devpath/product"); | |
2230 | $d->{product} = $product if $product; | |
2231 | ||
2232 | my $manu = file_read_firstline("$devpath/manufacturer"); | |
2233 | $d->{manufacturer} = $manu if $manu; | |
2234 | ||
2235 | my $serial => file_read_firstline("$devpath/serial"); | |
2236 | $d->{serial} = $serial if $serial; | |
2237 | ||
2238 | push @$res, $d; | |
2239 | ||
2240 | foreach my $subdev (<$devpath/$busnum-*>) { | |
2241 | next if $subdev !~ m|/$busnum-[0-9]+(\.[0-9]+)*$|; | |
2242 | __scan_usb_device($res, $subdev, $devnum, $level + 1); | |
2243 | } | |
2244 | ||
2245 | }; | |
2246 | ||
2247 | sub scan_usb { | |
2248 | ||
2249 | my $devlist = []; | |
2250 | ||
2251 | foreach my $device (</sys/bus/usb/devices/usb*>) { | |
2252 | __scan_usb_device($devlist, $device, 0, 0); | |
2253 | } | |
2254 | ||
2255 | return $devlist; | |
2256 | } | |
2257 | ||
2258 | sub scan_iscsi { | |
2259 | my ($portal_in) = @_; | |
2260 | ||
2261 | my $portal; | |
2262 | if (!($portal = resolv_portal ($portal_in))) { | |
2263 | die "unable to parse/resolve portal address '${portal_in}'\n"; | |
2264 | } | |
2265 | ||
2266 | return iscsi_discovery($portal); | |
2267 | } | |
2268 | ||
2269 | sub storage_default_format { | |
2270 | my ($cfg, $storeid) = @_; | |
2271 | ||
2272 | my $scfg = storage_config ($cfg, $storeid); | |
2273 | ||
2274 | my $def = $default_config->{$scfg->{type}}; | |
2275 | ||
2276 | my $def_format = 'raw'; | |
2277 | my $valid_formats = [ $def_format ]; | |
2278 | ||
2279 | if (defined ($def->{format})) { | |
2280 | $def_format = $scfg->{format} || $def->{format}->[1]; | |
2281 | $valid_formats = [ sort keys %{$def->{format}->[0]} ]; | |
2282 | } | |
2283 | ||
2284 | return wantarray ? ($def_format, $valid_formats) : $def_format; | |
2285 | } | |
2286 | ||
2287 | sub vgroup_is_used { | |
2288 | my ($cfg, $vgname) = @_; | |
2289 | ||
2290 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
2291 | my $scfg = storage_config ($cfg, $storeid); | |
2292 | if ($scfg->{type} eq 'lvm' && $scfg->{vgname} eq $vgname) { | |
2293 | return 1; | |
2294 | } | |
2295 | } | |
2296 | ||
2297 | return undef; | |
2298 | } | |
2299 | ||
2300 | sub target_is_used { | |
2301 | my ($cfg, $target) = @_; | |
2302 | ||
2303 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
2304 | my $scfg = storage_config ($cfg, $storeid); | |
2305 | if ($scfg->{type} eq 'iscsi' && $scfg->{target} eq $target) { | |
2306 | return 1; | |
2307 | } | |
2308 | } | |
2309 | ||
2310 | return undef; | |
2311 | } | |
2312 | ||
2313 | sub volume_is_used { | |
2314 | my ($cfg, $volid) = @_; | |
2315 | ||
2316 | foreach my $storeid (keys %{$cfg->{ids}}) { | |
2317 | my $scfg = storage_config ($cfg, $storeid); | |
2318 | if ($scfg->{base} && $scfg->{base} eq $volid) { | |
2319 | return 1; | |
2320 | } | |
2321 | } | |
2322 | ||
2323 | return undef; | |
2324 | } | |
2325 | ||
2326 | sub storage_is_used { | |
2327 | my ($cfg, $storeid) = @_; | |
2328 | ||
2329 | foreach my $sid (keys %{$cfg->{ids}}) { | |
2330 | my $scfg = storage_config ($cfg, $sid); | |
2331 | next if !$scfg->{base}; | |
2332 | my ($st) = parse_volume_id ($scfg->{base}); | |
2333 | return 1 if $st && $st eq $storeid; | |
2334 | } | |
2335 | ||
2336 | return undef; | |
2337 | } | |
2338 | ||
2339 | sub foreach_volid { | |
2340 | my ($list, $func) = @_; | |
2341 | ||
2342 | return if !$list; | |
2343 | ||
2344 | foreach my $sid (keys %$list) { | |
2345 | foreach my $info (@{$list->{$sid}}) { | |
2346 | my $volid = $info->{volid}; | |
2347 | my ($sid1, $volname) = parse_volume_id ($volid, 1); | |
2348 | if ($sid1 && $sid1 eq $sid) { | |
2349 | &$func ($volid, $sid, $info); | |
2350 | } else { | |
2351 | warn "detected strange volid '$volid' in volume list for '$sid'\n"; | |
2352 | } | |
2353 | } | |
2354 | } | |
2355 | } | |
2356 | ||
2357 | 1; |