]>
Commit | Line | Data |
---|---|---|
fe000966 DM |
1 | package PVE::Cluster; |
2 | ||
3 | use strict; | |
7181f622 | 4 | use warnings; |
57d8355e | 5 | |
57d8355e | 6 | use Encode; |
fe000966 | 7 | use File::stat qw(); |
462c16b7 | 8 | use File::Path qw(make_path); |
57d8355e | 9 | use JSON; |
26784563 | 10 | use Net::SSLeay; |
c5204e14 | 11 | use POSIX qw(ENOENT); |
57d8355e TL |
12 | use Socket; |
13 | use Storable qw(dclone); | |
57d8355e | 14 | |
c92b7716 | 15 | use PVE::Certificate; |
fe000966 DM |
16 | use PVE::INotify; |
17 | use PVE::IPCC; | |
d0ad18e8 | 18 | use PVE::JSONSchema; |
54d487bf | 19 | use PVE::Network; |
57d8355e TL |
20 | use PVE::SafeSyslog; |
21 | use PVE::Tools qw(run_command); | |
22 | ||
95c44445 | 23 | use PVE::Cluster::IPCConst; |
57d8355e | 24 | |
fe000966 DM |
25 | use base 'Exporter'; |
26 | ||
27 | our @EXPORT_OK = qw( | |
28 | cfs_read_file | |
29 | cfs_write_file | |
30 | cfs_register_file | |
31 | cfs_lock_file); | |
32 | ||
fe000966 DM |
33 | # x509 certificate utils |
34 | ||
35 | my $basedir = "/etc/pve"; | |
36 | my $authdir = "$basedir/priv"; | |
37 | my $lockdir = "/etc/pve/priv/lock"; | |
38 | ||
68491de3 | 39 | # cfs and corosync files |
e02bdaae TL |
40 | my $dbfile = "/var/lib/pve-cluster/config.db"; |
41 | my $dbbackupdir = "/var/lib/pve-cluster/backup"; | |
fe000966 | 42 | |
34180e03 TL |
43 | # this is just a readonly copy, the relevant one is in status.c from pmxcfs |
44 | # observed files are the one we can get directly through IPCC, they are cached | |
45 | # using a computed version and only those can be used by the cfs_*_file methods | |
fe000966 | 46 | my $observed = { |
e1735a61 | 47 | 'vzdump.cron' => 1, |
fe000966 DM |
48 | 'storage.cfg' => 1, |
49 | 'datacenter.cfg' => 1, | |
f6de131a | 50 | 'replication.cfg' => 1, |
cafc7309 DM |
51 | 'corosync.conf' => 1, |
52 | 'corosync.conf.new' => 1, | |
fe000966 DM |
53 | 'user.cfg' => 1, |
54 | 'domains.cfg' => 1, | |
55 | 'priv/shadow.cfg' => 1, | |
454c3a2c | 56 | 'priv/tfa.cfg' => 1, |
7dac5e0e | 57 | 'priv/token.cfg' => 1, |
8b84a18a | 58 | 'priv/acme/plugins.cfg' => 1, |
fe000966 | 59 | '/qemu-server/' => 1, |
f71eee41 | 60 | '/openvz/' => 1, |
7f66b436 | 61 | '/lxc/' => 1, |
5a5417e6 DM |
62 | 'ha/crm_commands' => 1, |
63 | 'ha/manager_status' => 1, | |
64 | 'ha/resources.cfg' => 1, | |
65 | 'ha/groups.cfg' => 1, | |
e9af3eb7 | 66 | 'ha/fence.cfg' => 1, |
9d4f69ff | 67 | 'status.cfg' => 1, |
22e2ed76 | 68 | 'ceph.conf' => 1, |
1bb7107a | 69 | 'sdn/vnets.cfg' => 1, |
1bb7107a | 70 | 'sdn/zones.cfg' => 1, |
1bb7107a | 71 | 'sdn/controllers.cfg' => 1, |
beaabd80 | 72 | 'sdn/.version' => 1, |
9bb0fbe9 | 73 | 'virtual-guest/cpu-models.conf' => 1, |
fe000966 DM |
74 | }; |
75 | ||
462c16b7 TL |
76 | sub prepare_observed_file_basedirs { |
77 | ||
393742f6 | 78 | if (!check_cfs_is_mounted(1)) { |
462c16b7 TL |
79 | warn "pmxcfs isn't mounted (/etc/pve), chickening out..\n"; |
80 | return; | |
81 | } | |
82 | ||
83 | for my $f (sort keys %$observed) { | |
84 | next if $f !~ m!^(.*)/[^/]+$!; | |
85 | my $dir = "$basedir/$1"; | |
86 | next if -e $dir; # can also be a link, so just use -e xist check | |
87 | print "creating directory '$dir' for observerd files\n"; | |
88 | make_path($dir); | |
89 | } | |
90 | } | |
91 | ||
c5204e14 FG |
92 | sub base_dir { |
93 | return $basedir; | |
94 | } | |
fe000966 | 95 | |
c5204e14 FG |
96 | sub auth_dir { |
97 | return $authdir; | |
fe000966 DM |
98 | } |
99 | ||
100 | sub check_cfs_quorum { | |
01dddfb9 DM |
101 | my ($noerr) = @_; |
102 | ||
fe000966 DM |
103 | # note: -w filename always return 1 for root, so wee need |
104 | # to use File::lstat here | |
105 | my $st = File::stat::lstat("$basedir/local"); | |
01dddfb9 DM |
106 | my $quorate = ($st && (($st->mode & 0200) != 0)); |
107 | ||
108 | die "cluster not ready - no quorum?\n" if !$quorate && !$noerr; | |
109 | ||
110 | return $quorate; | |
fe000966 DM |
111 | } |
112 | ||
113 | sub check_cfs_is_mounted { | |
114 | my ($noerr) = @_; | |
115 | ||
116 | my $res = -l "$basedir/local"; | |
117 | ||
118 | die "pve configuration filesystem not mounted\n" | |
119 | if !$res && !$noerr; | |
120 | ||
121 | return $res; | |
122 | } | |
123 | ||
fe000966 DM |
124 | my $versions = {}; |
125 | my $vmlist = {}; | |
126 | my $clinfo = {}; | |
127 | ||
128 | my $ipcc_send_rec = sub { | |
129 | my ($msgid, $data) = @_; | |
130 | ||
131 | my $res = PVE::IPCC::ipcc_send_rec($msgid, $data); | |
132 | ||
dd856b4d | 133 | die "ipcc_send_rec[$msgid] failed: $!\n" if !defined($res) && ($! != 0); |
fe000966 DM |
134 | |
135 | return $res; | |
136 | }; | |
137 | ||
138 | my $ipcc_send_rec_json = sub { | |
139 | my ($msgid, $data) = @_; | |
140 | ||
141 | my $res = PVE::IPCC::ipcc_send_rec($msgid, $data); | |
142 | ||
dd856b4d | 143 | die "ipcc_send_rec[$msgid] failed: $!\n" if !defined($res) && ($! != 0); |
fe000966 DM |
144 | |
145 | return decode_json($res); | |
146 | }; | |
147 | ||
148 | my $ipcc_get_config = sub { | |
149 | my ($path) = @_; | |
150 | ||
151 | my $bindata = pack "Z*", $path; | |
95c44445 | 152 | my $res = PVE::IPCC::ipcc_send_rec(CFS_IPC_GET_CONFIG, $bindata); |
2db32d95 | 153 | if (!defined($res)) { |
7bac9ca5 WB |
154 | if ($! != 0) { |
155 | return undef if $! == ENOENT; | |
156 | die "$!\n"; | |
157 | } | |
2db32d95 DM |
158 | return ''; |
159 | } | |
160 | ||
161 | return $res; | |
fe000966 DM |
162 | }; |
163 | ||
164 | my $ipcc_get_status = sub { | |
165 | my ($name, $nodename) = @_; | |
166 | ||
167 | my $bindata = pack "Z[256]Z[256]", $name, ($nodename || ""); | |
95c44445 | 168 | return PVE::IPCC::ipcc_send_rec(CFS_IPC_GET_STATUS, $bindata); |
fe000966 DM |
169 | }; |
170 | ||
71cc17bc DC |
171 | my $ipcc_remove_status = sub { |
172 | my ($name) = @_; | |
0adf0c5a TL |
173 | # we just omit the data payload, pmxcfs takes this as hint and removes this |
174 | # key from the status hashtable | |
71cc17bc DC |
175 | my $bindata = pack "Z[256]", $name; |
176 | return &$ipcc_send_rec(CFS_IPC_SET_STATUS, $bindata); | |
177 | }; | |
178 | ||
fe000966 DM |
179 | my $ipcc_update_status = sub { |
180 | my ($name, $data) = @_; | |
181 | ||
182 | my $raw = ref($data) ? encode_json($data) : $data; | |
183 | # update status | |
184 | my $bindata = pack "Z[256]Z*", $name, $raw; | |
185 | ||
95c44445 | 186 | return &$ipcc_send_rec(CFS_IPC_SET_STATUS, $bindata); |
fe000966 DM |
187 | }; |
188 | ||
189 | my $ipcc_log = sub { | |
190 | my ($priority, $ident, $tag, $msg) = @_; | |
191 | ||
192 | my $bindata = pack "CCCZ*Z*Z*", $priority, bytes::length($ident) + 1, | |
193 | bytes::length($tag) + 1, $ident, $tag, $msg; | |
194 | ||
95c44445 | 195 | return &$ipcc_send_rec(CFS_IPC_LOG_CLUSTER_MSG, $bindata); |
fe000966 DM |
196 | }; |
197 | ||
198 | my $ipcc_get_cluster_log = sub { | |
199 | my ($user, $max) = @_; | |
200 | ||
201 | $max = 0 if !defined($max); | |
202 | ||
203 | my $bindata = pack "VVVVZ*", $max, 0, 0, 0, ($user || ""); | |
95c44445 | 204 | return &$ipcc_send_rec(CFS_IPC_GET_CLUSTER_LOG, $bindata); |
fe000966 DM |
205 | }; |
206 | ||
7dac5e0e FG |
207 | my $ipcc_verify_token = sub { |
208 | my ($full_token) = @_; | |
209 | ||
210 | my $bindata = pack "Z*", $full_token; | |
211 | my $res = PVE::IPCC::ipcc_send_rec(CFS_IPC_VERIFY_TOKEN, $bindata); | |
212 | ||
213 | return 1 if $! == 0; | |
214 | return 0 if $! == ENOENT; | |
215 | ||
216 | die "$!\n"; | |
217 | }; | |
218 | ||
fe000966 DM |
219 | my $ccache = {}; |
220 | ||
221 | sub cfs_update { | |
686801e4 | 222 | my ($fail) = @_; |
fe000966 | 223 | eval { |
95c44445 | 224 | my $res = &$ipcc_send_rec_json(CFS_IPC_GET_FS_VERSION); |
fe000966 DM |
225 | die "no starttime\n" if !$res->{starttime}; |
226 | ||
227 | if (!$res->{starttime} || !$versions->{starttime} || | |
228 | $res->{starttime} != $versions->{starttime}) { | |
229 | #print "detected changed starttime\n"; | |
230 | $vmlist = {}; | |
231 | $clinfo = {}; | |
232 | $ccache = {}; | |
233 | } | |
234 | ||
235 | $versions = $res; | |
236 | }; | |
237 | my $err = $@; | |
238 | if ($err) { | |
239 | $versions = {}; | |
240 | $vmlist = {}; | |
241 | $clinfo = {}; | |
242 | $ccache = {}; | |
686801e4 | 243 | die $err if $fail; |
fe000966 DM |
244 | warn $err; |
245 | } | |
246 | ||
247 | eval { | |
248 | if (!$clinfo->{version} || $clinfo->{version} != $versions->{clinfo}) { | |
249 | #warn "detected new clinfo\n"; | |
95c44445 | 250 | $clinfo = &$ipcc_send_rec_json(CFS_IPC_GET_CLUSTER_INFO); |
fe000966 DM |
251 | } |
252 | }; | |
253 | $err = $@; | |
254 | if ($err) { | |
255 | $clinfo = {}; | |
686801e4 | 256 | die $err if $fail; |
fe000966 DM |
257 | warn $err; |
258 | } | |
259 | ||
260 | eval { | |
261 | if (!$vmlist->{version} || $vmlist->{version} != $versions->{vmlist}) { | |
262 | #warn "detected new vmlist1\n"; | |
95c44445 | 263 | $vmlist = &$ipcc_send_rec_json(CFS_IPC_GET_GUEST_LIST); |
fe000966 DM |
264 | } |
265 | }; | |
266 | $err = $@; | |
267 | if ($err) { | |
268 | $vmlist = {}; | |
686801e4 | 269 | die $err if $fail; |
fe000966 DM |
270 | warn $err; |
271 | } | |
272 | } | |
273 | ||
274 | sub get_vmlist { | |
275 | return $vmlist; | |
276 | } | |
277 | ||
278 | sub get_clinfo { | |
279 | return $clinfo; | |
280 | } | |
281 | ||
9ddd4ae9 DM |
282 | sub get_members { |
283 | return $clinfo->{nodelist}; | |
284 | } | |
285 | ||
fe000966 | 286 | sub get_nodelist { |
fe000966 DM |
287 | my $nodelist = $clinfo->{nodelist}; |
288 | ||
fe000966 DM |
289 | my $nodename = PVE::INotify::nodename(); |
290 | ||
291 | if (!$nodelist || !$nodelist->{$nodename}) { | |
292 | return [ $nodename ]; | |
293 | } | |
294 | ||
295 | return [ keys %$nodelist ]; | |
296 | } | |
297 | ||
0adf0c5a TL |
298 | # only stored in a in-memory hashtable inside pmxcfs, local data is gone after |
299 | # a restart (of pmxcfs or the node), peer data is still available then | |
300 | # best used for status data, like running (ceph) services, package versions, ... | |
a26b18e1 DC |
301 | sub broadcast_node_kv { |
302 | my ($key, $data) = @_; | |
303 | ||
304 | if (!defined($data)) { | |
305 | eval { | |
306 | $ipcc_remove_status->("kv/$key"); | |
307 | }; | |
308 | } else { | |
309 | die "cannot send a reference\n" if ref($data); | |
310 | my $size = length($data); | |
0adf0c5a | 311 | die "data for '$key' too big\n" if $size >= (32 * 1024); # limit from pmxfs |
a26b18e1 DC |
312 | |
313 | eval { | |
314 | $ipcc_update_status->("kv/$key", $data); | |
315 | }; | |
316 | } | |
317 | ||
318 | warn $@ if $@; | |
319 | } | |
320 | ||
0adf0c5a | 321 | # nodename is optional |
a26b18e1 DC |
322 | sub get_node_kv { |
323 | my ($key, $nodename) = @_; | |
324 | ||
325 | my $res = {}; | |
326 | my $get_node_data = sub { | |
327 | my ($node) = @_; | |
328 | my $raw = $ipcc_get_status->("kv/$key", $node); | |
14000cd7 | 329 | $res->{$node} = unpack("Z*", $raw) if $raw; |
a26b18e1 DC |
330 | }; |
331 | ||
332 | if ($nodename) { | |
333 | $get_node_data->($nodename); | |
334 | } else { | |
335 | my $nodelist = get_nodelist(); | |
336 | ||
337 | foreach my $node (@$nodelist) { | |
338 | $get_node_data->($node); | |
339 | } | |
340 | } | |
341 | ||
342 | return $res; | |
343 | } | |
344 | ||
cf1b19d9 TL |
345 | # property: a config property you want to get, e.g., this is perfect to get |
346 | # the 'lock' entry of a guest _fast_ (>100 faster than manual parsing here) | |
347 | # vmid: optipnal, if a valid is passed we only check that one, else return all | |
348 | # NOTE: does *not* searches snapshot and PENDING entries sections! | |
349 | sub get_guest_config_property { | |
350 | my ($property, $vmid) = @_; | |
351 | ||
352 | die "property is required" if !defined($property); | |
353 | ||
354 | my $bindata = pack "VZ*", $vmid // 0, $property; | |
355 | my $res = $ipcc_send_rec_json->(CFS_IPC_GET_GUEST_CONFIG_PROPERTY, $bindata); | |
356 | ||
357 | return $res; | |
358 | } | |
359 | ||
1b36b6b1 | 360 | # $data must be a chronological descending ordered array of tasks |
fe000966 DM |
361 | sub broadcast_tasklist { |
362 | my ($data) = @_; | |
363 | ||
1b36b6b1 TL |
364 | # the serialized list may not get bigger than 32kb (CFS_MAX_STATUS_SIZE |
365 | # from pmxcfs) - drop older items until we satisfy this constraint | |
366 | my $size = length(encode_json($data)); | |
367 | while ($size >= (32 * 1024)) { | |
368 | pop @$data; | |
369 | $size = length(encode_json($data)); | |
370 | } | |
371 | ||
fe000966 DM |
372 | eval { |
373 | &$ipcc_update_status("tasklist", $data); | |
374 | }; | |
375 | ||
376 | warn $@ if $@; | |
377 | } | |
378 | ||
379 | my $tasklistcache = {}; | |
380 | ||
381 | sub get_tasklist { | |
382 | my ($nodename) = @_; | |
383 | ||
384 | my $kvstore = $versions->{kvstore} || {}; | |
385 | ||
386 | my $nodelist = get_nodelist(); | |
387 | ||
388 | my $res = []; | |
389 | foreach my $node (@$nodelist) { | |
390 | next if $nodename && ($nodename ne $node); | |
391 | eval { | |
392 | my $ver = $kvstore->{$node}->{tasklist} if $kvstore->{$node}; | |
393 | my $cd = $tasklistcache->{$node}; | |
c53b111f | 394 | if (!$cd || !$ver || !$cd->{version} || |
cebe16ec | 395 | ($cd->{version} != $ver)) { |
fe000966 DM |
396 | my $raw = &$ipcc_get_status("tasklist", $node) || '[]'; |
397 | my $data = decode_json($raw); | |
398 | push @$res, @$data; | |
399 | $cd = $tasklistcache->{$node} = { | |
400 | data => $data, | |
401 | version => $ver, | |
402 | }; | |
403 | } elsif ($cd && $cd->{data}) { | |
404 | push @$res, @{$cd->{data}}; | |
405 | } | |
406 | }; | |
407 | my $err = $@; | |
408 | syslog('err', $err) if $err; | |
409 | } | |
410 | ||
411 | return $res; | |
412 | } | |
413 | ||
414 | sub broadcast_rrd { | |
415 | my ($rrdid, $data) = @_; | |
416 | ||
417 | eval { | |
418 | &$ipcc_update_status("rrd/$rrdid", $data); | |
419 | }; | |
420 | my $err = $@; | |
421 | ||
422 | warn $err if $err; | |
423 | } | |
424 | ||
425 | my $last_rrd_dump = 0; | |
426 | my $last_rrd_data = ""; | |
427 | ||
428 | sub rrd_dump { | |
429 | ||
430 | my $ctime = time(); | |
431 | ||
432 | my $diff = $ctime - $last_rrd_dump; | |
433 | if ($diff < 2) { | |
434 | return $last_rrd_data; | |
435 | } | |
436 | ||
437 | my $raw; | |
438 | eval { | |
95c44445 | 439 | $raw = &$ipcc_send_rec(CFS_IPC_GET_RRD_DUMP); |
fe000966 DM |
440 | }; |
441 | my $err = $@; | |
442 | ||
443 | if ($err) { | |
444 | warn $err; | |
445 | return {}; | |
446 | } | |
447 | ||
448 | my $res = {}; | |
449 | ||
c3fabca7 DM |
450 | if ($raw) { |
451 | while ($raw =~ s/^(.*)\n//) { | |
452 | my ($key, @ela) = split(/:/, $1); | |
453 | next if !$key; | |
454 | next if !(scalar(@ela) > 1); | |
d2aae33e | 455 | $res->{$key} = [ map { $_ eq 'U' ? undef : $_ } @ela ]; |
c3fabca7 | 456 | } |
fe000966 DM |
457 | } |
458 | ||
459 | $last_rrd_dump = $ctime; | |
460 | $last_rrd_data = $res; | |
461 | ||
462 | return $res; | |
463 | } | |
464 | ||
fe000966 DM |
465 | |
466 | # a fast way to read files (avoid fuse overhead) | |
467 | sub get_config { | |
468 | my ($path) = @_; | |
469 | ||
d3a92ba7 | 470 | return &$ipcc_get_config($path); |
fe000966 DM |
471 | } |
472 | ||
473 | sub get_cluster_log { | |
474 | my ($user, $max) = @_; | |
475 | ||
476 | return &$ipcc_get_cluster_log($user, $max); | |
477 | } | |
478 | ||
7dac5e0e FG |
479 | sub verify_token { |
480 | my ($userid, $token) = @_; | |
481 | ||
482 | return &$ipcc_verify_token("$userid $token"); | |
483 | } | |
484 | ||
fe000966 DM |
485 | my $file_info = {}; |
486 | ||
487 | sub cfs_register_file { | |
488 | my ($filename, $parser, $writer) = @_; | |
489 | ||
490 | $observed->{$filename} || die "unknown file '$filename'"; | |
491 | ||
492 | die "file '$filename' already registered" if $file_info->{$filename}; | |
493 | ||
494 | $file_info->{$filename} = { | |
495 | parser => $parser, | |
496 | writer => $writer, | |
497 | }; | |
498 | } | |
499 | ||
500 | my $ccache_read = sub { | |
501 | my ($filename, $parser, $version) = @_; | |
502 | ||
503 | $ccache->{$filename} = {} if !$ccache->{$filename}; | |
504 | ||
505 | my $ci = $ccache->{$filename}; | |
506 | ||
d3a92ba7 | 507 | if (!$ci->{version} || !$version || $ci->{version} != $version) { |
a79c7743 | 508 | # we always call the parser, even when the file does not exist |
d3a92ba7 | 509 | # (in that case $data is undef) |
fe000966 | 510 | my $data = get_config($filename); |
fe000966 DM |
511 | $ci->{data} = &$parser("/etc/pve/$filename", $data); |
512 | $ci->{version} = $version; | |
513 | } | |
514 | ||
515 | my $res = ref($ci->{data}) ? dclone($ci->{data}) : $ci->{data}; | |
516 | ||
517 | return $res; | |
518 | }; | |
519 | ||
520 | sub cfs_file_version { | |
521 | my ($filename) = @_; | |
522 | ||
523 | my $version; | |
524 | my $infotag; | |
6e73d5c2 | 525 | if ($filename =~ m!^nodes/[^/]+/(openvz|lxc|qemu-server)/(\d+)\.conf$!) { |
f71eee41 | 526 | my ($type, $vmid) = ($1, $2); |
fe000966 DM |
527 | if ($vmlist && $vmlist->{ids} && $vmlist->{ids}->{$vmid}) { |
528 | $version = $vmlist->{ids}->{$vmid}->{version}; | |
529 | } | |
f71eee41 | 530 | $infotag = "/$type/"; |
fe000966 DM |
531 | } else { |
532 | $infotag = $filename; | |
533 | $version = $versions->{$filename}; | |
534 | } | |
535 | ||
536 | my $info = $file_info->{$infotag} || | |
537 | die "unknown file type '$filename'\n"; | |
538 | ||
539 | return wantarray ? ($version, $info) : $version; | |
540 | } | |
541 | ||
542 | sub cfs_read_file { | |
543 | my ($filename) = @_; | |
544 | ||
c53b111f | 545 | my ($version, $info) = cfs_file_version($filename); |
fe000966 DM |
546 | my $parser = $info->{parser}; |
547 | ||
548 | return &$ccache_read($filename, $parser, $version); | |
549 | } | |
550 | ||
551 | sub cfs_write_file { | |
552 | my ($filename, $data) = @_; | |
553 | ||
c53b111f | 554 | my ($version, $info) = cfs_file_version($filename); |
fe000966 DM |
555 | |
556 | my $writer = $info->{writer} || die "no writer defined"; | |
557 | ||
558 | my $fsname = "/etc/pve/$filename"; | |
559 | ||
560 | my $raw = &$writer($fsname, $data); | |
561 | ||
562 | if (my $ci = $ccache->{$filename}) { | |
563 | $ci->{version} = undef; | |
564 | } | |
565 | ||
566 | PVE::Tools::file_set_contents($fsname, $raw); | |
567 | } | |
568 | ||
569 | my $cfs_lock = sub { | |
570 | my ($lockid, $timeout, $code, @param) = @_; | |
571 | ||
00ea8428 TL |
572 | my $prev_alarm = alarm(0); # suspend outer alarm early |
573 | ||
fe000966 | 574 | my $res; |
bcdb1b3a | 575 | my $got_lock = 0; |
fe000966 | 576 | |
e8c6be91 | 577 | # this timeout is for acquire the lock |
fe000966 DM |
578 | $timeout = 10 if !$timeout; |
579 | ||
580 | my $filename = "$lockdir/$lockid"; | |
581 | ||
fe000966 DM |
582 | eval { |
583 | ||
584 | mkdir $lockdir; | |
585 | ||
586 | if (! -d $lockdir) { | |
6e13e20a | 587 | die "pve cluster filesystem not online.\n"; |
fe000966 DM |
588 | } |
589 | ||
6e13e20a | 590 | my $timeout_err = sub { die "got lock request timeout\n"; }; |
bcdb1b3a | 591 | local $SIG{ALRM} = $timeout_err; |
fe000966 | 592 | |
bcdb1b3a TL |
593 | while (1) { |
594 | alarm ($timeout); | |
595 | $got_lock = mkdir($filename); | |
3fb23b5b | 596 | $timeout = alarm(0) - 1; # we'll sleep for 1s, see down below |
bcdb1b3a TL |
597 | |
598 | last if $got_lock; | |
599 | ||
3fb23b5b | 600 | $timeout_err->() if $timeout <= 0; |
fe000966 | 601 | |
e8c6be91 | 602 | print STDERR "trying to acquire cfs lock '$lockid' ...\n"; |
bcdb1b3a TL |
603 | utime (0, 0, $filename); # cfs unlock request |
604 | sleep(1); | |
fe000966 DM |
605 | } |
606 | ||
607 | # fixed command timeout: cfs locks have a timeout of 120 | |
608 | # using 60 gives us another 60 seconds to abort the task | |
fe000966 | 609 | local $SIG{ALRM} = sub { die "got lock timeout - aborting command\n"; }; |
00ea8428 | 610 | alarm(60); |
fe000966 | 611 | |
9c206b2b DM |
612 | cfs_update(); # make sure we read latest versions inside code() |
613 | ||
fe000966 DM |
614 | $res = &$code(@param); |
615 | ||
616 | alarm(0); | |
617 | }; | |
618 | ||
619 | my $err = $@; | |
620 | ||
6e13e20a | 621 | $err = "no quorum!\n" if !$got_lock && !check_cfs_quorum(1); |
fe000966 | 622 | |
96857ee4 | 623 | rmdir $filename if $got_lock; # if we held the lock always unlock again |
fe000966 | 624 | |
00ea8428 TL |
625 | alarm($prev_alarm); |
626 | ||
fe000966 | 627 | if ($err) { |
c09b0af5 FG |
628 | if (ref($err) eq 'PVE::Exception') { |
629 | # re-raise defined exceptions | |
630 | $@ = $err; | |
631 | } else { | |
779a6327 | 632 | # add lock info for plain errors |
41f32a17 | 633 | $@ = "error during cfs-locked '$lockid' operation: $err"; |
c09b0af5 | 634 | } |
fe000966 DM |
635 | return undef; |
636 | } | |
637 | ||
638 | $@ = undef; | |
639 | ||
640 | return $res; | |
641 | }; | |
642 | ||
643 | sub cfs_lock_file { | |
644 | my ($filename, $timeout, $code, @param) = @_; | |
645 | ||
646 | my $info = $observed->{$filename} || die "unknown file '$filename'"; | |
647 | ||
648 | my $lockid = "file-$filename"; | |
649 | $lockid =~ s/[.\/]/_/g; | |
650 | ||
651 | &$cfs_lock($lockid, $timeout, $code, @param); | |
652 | } | |
653 | ||
654 | sub cfs_lock_storage { | |
655 | my ($storeid, $timeout, $code, @param) = @_; | |
656 | ||
657 | my $lockid = "storage-$storeid"; | |
658 | ||
659 | &$cfs_lock($lockid, $timeout, $code, @param); | |
660 | } | |
661 | ||
78897707 TL |
662 | sub cfs_lock_domain { |
663 | my ($domainname, $timeout, $code, @param) = @_; | |
664 | ||
665 | my $lockid = "domain-$domainname"; | |
666 | ||
667 | &$cfs_lock($lockid, $timeout, $code, @param); | |
668 | } | |
669 | ||
4790f9f4 FG |
670 | sub cfs_lock_acme { |
671 | my ($account, $timeout, $code, @param) = @_; | |
672 | ||
673 | my $lockid = "acme-$account"; | |
674 | ||
675 | &$cfs_lock($lockid, $timeout, $code, @param); | |
676 | } | |
677 | ||
900b50d9 FG |
678 | sub cfs_lock_authkey { |
679 | my ($timeout, $code, @param) = @_; | |
680 | ||
681 | $cfs_lock->('authkey', $timeout, $code, @param); | |
31c78985 FG |
682 | } |
683 | ||
684 | sub cfs_lock_firewall { | |
685 | my ($scope, $timeout, $code, @param) = @_; | |
686 | ||
687 | my $lockid = "firewall-$scope"; | |
688 | ||
689 | $cfs_lock->($lockid, $timeout, $code, @param); | |
900b50d9 FG |
690 | } |
691 | ||
fe000966 DM |
692 | my $log_levels = { |
693 | "emerg" => 0, | |
694 | "alert" => 1, | |
695 | "crit" => 2, | |
696 | "critical" => 2, | |
697 | "err" => 3, | |
698 | "error" => 3, | |
699 | "warn" => 4, | |
700 | "warning" => 4, | |
701 | "notice" => 5, | |
702 | "info" => 6, | |
703 | "debug" => 7, | |
704 | }; | |
705 | ||
706 | sub log_msg { | |
707 | my ($priority, $ident, $msg) = @_; | |
708 | ||
709 | if (my $tmp = $log_levels->{$priority}) { | |
710 | $priority = $tmp; | |
711 | } | |
712 | ||
713 | die "need numeric log priority" if $priority !~ /^\d+$/; | |
714 | ||
715 | my $tag = PVE::SafeSyslog::tag(); | |
716 | ||
717 | $msg = "empty message" if !$msg; | |
718 | ||
719 | $ident = "" if !$ident; | |
8f2d54ff | 720 | $ident = encode("ascii", $ident, |
fe000966 DM |
721 | sub { sprintf "\\u%04x", shift }); |
722 | ||
8f2d54ff | 723 | my $ascii = encode("ascii", $msg, sub { sprintf "\\u%04x", shift }); |
fe000966 DM |
724 | |
725 | if ($ident) { | |
726 | syslog($priority, "<%s> %s", $ident, $ascii); | |
727 | } else { | |
728 | syslog($priority, "%s", $ascii); | |
729 | } | |
730 | ||
731 | eval { &$ipcc_log($priority, $ident, $tag, $ascii); }; | |
732 | ||
733 | syslog("err", "writing cluster log failed: $@") if $@; | |
734 | } | |
735 | ||
9d76a1bb DM |
736 | sub check_vmid_unused { |
737 | my ($vmid, $noerr) = @_; | |
c53b111f | 738 | |
9d76a1bb DM |
739 | my $vmlist = get_vmlist(); |
740 | ||
741 | my $d = $vmlist->{ids}->{$vmid}; | |
742 | return 1 if !defined($d); | |
c53b111f | 743 | |
9d76a1bb DM |
744 | return undef if $noerr; |
745 | ||
4f66b109 | 746 | my $vmtypestr = $d->{type} eq 'qemu' ? 'VM' : 'CT'; |
e75ccbee | 747 | die "$vmtypestr $vmid already exists on node '$d->{node}'\n"; |
9d76a1bb DM |
748 | } |
749 | ||
65ff467f DM |
750 | sub check_node_exists { |
751 | my ($nodename, $noerr) = @_; | |
752 | ||
753 | my $nodelist = $clinfo->{nodelist}; | |
754 | return 1 if $nodelist && $nodelist->{$nodename}; | |
755 | ||
756 | return undef if $noerr; | |
757 | ||
758 | die "no such cluster node '$nodename'\n"; | |
759 | } | |
760 | ||
fe000966 DM |
761 | # this is also used to get the IP of the local node |
762 | sub remote_node_ip { | |
763 | my ($nodename, $noerr) = @_; | |
764 | ||
765 | my $nodelist = $clinfo->{nodelist}; | |
766 | if ($nodelist && $nodelist->{$nodename}) { | |
767 | if (my $ip = $nodelist->{$nodename}->{ip}) { | |
fc31f517 WB |
768 | return $ip if !wantarray; |
769 | my $family = $nodelist->{$nodename}->{address_family}; | |
770 | if (!$family) { | |
771 | $nodelist->{$nodename}->{address_family} = | |
772 | $family = | |
773 | PVE::Tools::get_host_address_family($ip); | |
774 | } | |
14830160 | 775 | return wantarray ? ($ip, $family) : $ip; |
fe000966 DM |
776 | } |
777 | } | |
778 | ||
779 | # fallback: try to get IP by other means | |
e064c9b0 | 780 | return PVE::Network::get_ip_from_hostname($nodename, $noerr); |
fe000966 DM |
781 | } |
782 | ||
1904862a TL |
783 | sub get_node_fingerprint { |
784 | my ($node) = @_; | |
785 | ||
786 | my $cert_path = "/etc/pve/nodes/$node/pve-ssl.pem"; | |
787 | my $custom_cert_path = "/etc/pve/nodes/$node/pveproxy-ssl.pem"; | |
788 | ||
789 | $cert_path = $custom_cert_path if -f $custom_cert_path; | |
790 | ||
c92b7716 | 791 | return PVE::Certificate::get_certificate_fingerprint($cert_path); |
1904862a TL |
792 | } |
793 | ||
15df58e6 DM |
794 | # bash completion helpers |
795 | ||
796 | sub complete_next_vmid { | |
797 | ||
798 | my $vmlist = get_vmlist() || {}; | |
799 | my $idlist = $vmlist->{ids} || {}; | |
800 | ||
801 | for (my $i = 100; $i < 10000; $i++) { | |
802 | return [$i] if !defined($idlist->{$i}); | |
803 | } | |
804 | ||
805 | return []; | |
806 | } | |
807 | ||
87515b25 DM |
808 | sub complete_vmid { |
809 | ||
810 | my $vmlist = get_vmlist(); | |
811 | my $ids = $vmlist->{ids} || {}; | |
812 | ||
813 | return [ keys %$ids ]; | |
814 | } | |
815 | ||
15df58e6 DM |
816 | sub complete_local_vmid { |
817 | ||
818 | my $vmlist = get_vmlist(); | |
819 | my $ids = $vmlist->{ids} || {}; | |
820 | ||
821 | my $nodename = PVE::INotify::nodename(); | |
822 | ||
823 | my $res = []; | |
824 | foreach my $vmid (keys %$ids) { | |
825 | my $d = $ids->{$vmid}; | |
826 | next if !$d->{node} || $d->{node} ne $nodename; | |
827 | push @$res, $vmid; | |
828 | } | |
829 | ||
830 | return $res; | |
831 | } | |
832 | ||
4dd189df DM |
833 | sub complete_migration_target { |
834 | ||
835 | my $res = []; | |
836 | ||
837 | my $nodename = PVE::INotify::nodename(); | |
838 | ||
839 | my $nodelist = get_nodelist(); | |
840 | foreach my $node (@$nodelist) { | |
841 | next if $node eq $nodename; | |
842 | push @$res, $node; | |
843 | } | |
844 | ||
845 | return $res; | |
846 | } | |
847 | ||
1f1aef8b | 848 | |
a9965358 | 849 | # NOTE: filesystem must be offline here, no DB changes allowed |
c5204e14 | 850 | sub cfs_backup_database { |
e02bdaae TL |
851 | mkdir $dbbackupdir; |
852 | ||
e02bdaae | 853 | my $ctime = time(); |
a9965358 | 854 | my $backup_fn = "$dbbackupdir/config-$ctime.sql.gz"; |
e02bdaae | 855 | |
a9965358 | 856 | print "backup old database to '$backup_fn'\n"; |
e02bdaae | 857 | |
a9965358 TL |
858 | my $cmd = [ ['sqlite3', $dbfile, '.dump'], ['gzip', '-', \ ">${backup_fn}"] ]; |
859 | run_command($cmd, 'errmsg' => "cannot backup old database\n"); | |
e02bdaae | 860 | |
a9965358 TL |
861 | my $maxfiles = 10; # purge older backup |
862 | my $backups = [ sort { $b cmp $a } <$dbbackupdir/config-*.sql.gz> ]; | |
863 | ||
864 | if ((my $count = scalar(@$backups)) > $maxfiles) { | |
865 | foreach my $f (@$backups[$maxfiles..$count-1]) { | |
ee0daa88 | 866 | next if $f !~ m/^(\S+)$/; # untaint |
a9965358 TL |
867 | print "delete old backup '$1'\n"; |
868 | unlink $1; | |
869 | } | |
e02bdaae | 870 | } |
8f64504c | 871 | |
c5204e14 | 872 | return $dbfile; |
8f64504c | 873 | } |
e02bdaae | 874 | |
ac68281b | 875 | 1; |