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fe000966 DM |
1 | package PVE::Cluster; |
2 | ||
3 | use strict; | |
4 | use POSIX; | |
5 | use File::stat qw(); | |
6 | use Socket; | |
7 | use Storable qw(dclone); | |
8 | use IO::File; | |
9 | use MIME::Base64; | |
ec48ec22 DM |
10 | use XML::Parser; |
11 | use Digest::SHA1; | |
fe000966 DM |
12 | use Digest::HMAC_SHA1; |
13 | use PVE::Tools; | |
14 | use PVE::INotify; | |
15 | use PVE::IPCC; | |
16 | use PVE::SafeSyslog; | |
17 | use JSON; | |
18 | use RRDs; | |
19 | use Encode; | |
20 | use base 'Exporter'; | |
21 | ||
22 | our @EXPORT_OK = qw( | |
23 | cfs_read_file | |
24 | cfs_write_file | |
25 | cfs_register_file | |
26 | cfs_lock_file); | |
27 | ||
28 | use Data::Dumper; # fixme: remove | |
29 | ||
30 | # x509 certificate utils | |
31 | ||
32 | my $basedir = "/etc/pve"; | |
33 | my $authdir = "$basedir/priv"; | |
34 | my $lockdir = "/etc/pve/priv/lock"; | |
35 | ||
36 | my $authprivkeyfn = "$authdir/authkey.key"; | |
37 | my $authpubkeyfn = "$basedir/authkey.pub"; | |
38 | my $pveca_key_fn = "$authdir/pve-root-ca.key"; | |
39 | my $pveca_srl_fn = "$authdir/pve-root-ca.srl"; | |
40 | my $pveca_cert_fn = "$basedir/pve-root-ca.pem"; | |
41 | # this is just a secret accessable by the web browser | |
42 | # and is used for CSRF prevention | |
43 | my $pvewww_key_fn = "$basedir/pve-www.key"; | |
44 | ||
45 | # ssh related files | |
46 | my $ssh_rsa_id_priv = "/root/.ssh/id_rsa"; | |
47 | my $ssh_rsa_id = "/root/.ssh/id_rsa.pub"; | |
48 | my $ssh_host_rsa_id = "/etc/ssh/ssh_host_rsa_key.pub"; | |
49 | my $sshglobalknownhosts = "/etc/ssh/ssh_known_hosts"; | |
50 | my $sshknownhosts = "/etc/pve/priv/known_hosts"; | |
51 | my $sshauthkeys = "/etc/pve/priv/authorized_keys"; | |
52 | my $rootsshauthkeys = "/root/.ssh/authorized_keys"; | |
53 | ||
54 | my $observed = { | |
e1735a61 | 55 | 'vzdump.cron' => 1, |
fe000966 DM |
56 | 'storage.cfg' => 1, |
57 | 'datacenter.cfg' => 1, | |
b238f40e | 58 | 'cluster.conf' => 1, |
ec48ec22 | 59 | 'cluster.conf.new' => 1, |
fe000966 DM |
60 | 'user.cfg' => 1, |
61 | 'domains.cfg' => 1, | |
62 | 'priv/shadow.cfg' => 1, | |
63 | '/qemu-server/' => 1, | |
f71eee41 | 64 | '/openvz/' => 1, |
fe000966 DM |
65 | }; |
66 | ||
67 | # only write output if something fails | |
68 | sub run_silent_cmd { | |
69 | my ($cmd) = @_; | |
70 | ||
71 | my $outbuf = ''; | |
72 | ||
73 | my $record_output = sub { | |
74 | $outbuf .= shift; | |
75 | $outbuf .= "\n"; | |
76 | }; | |
77 | ||
78 | eval { | |
79 | PVE::Tools::run_command($cmd, outfunc => $record_output, | |
80 | errfunc => $record_output); | |
81 | }; | |
82 | ||
83 | my $err = $@; | |
84 | ||
85 | if ($err) { | |
86 | print STDERR $outbuf; | |
87 | die $err; | |
88 | } | |
89 | } | |
90 | ||
91 | sub check_cfs_quorum { | |
01dddfb9 DM |
92 | my ($noerr) = @_; |
93 | ||
fe000966 DM |
94 | # note: -w filename always return 1 for root, so wee need |
95 | # to use File::lstat here | |
96 | my $st = File::stat::lstat("$basedir/local"); | |
01dddfb9 DM |
97 | my $quorate = ($st && (($st->mode & 0200) != 0)); |
98 | ||
99 | die "cluster not ready - no quorum?\n" if !$quorate && !$noerr; | |
100 | ||
101 | return $quorate; | |
fe000966 DM |
102 | } |
103 | ||
104 | sub check_cfs_is_mounted { | |
105 | my ($noerr) = @_; | |
106 | ||
107 | my $res = -l "$basedir/local"; | |
108 | ||
109 | die "pve configuration filesystem not mounted\n" | |
110 | if !$res && !$noerr; | |
111 | ||
112 | return $res; | |
113 | } | |
114 | ||
115 | sub gen_local_dirs { | |
116 | my ($nodename) = @_; | |
117 | ||
118 | check_cfs_is_mounted(); | |
119 | ||
120 | my @required_dirs = ( | |
121 | "$basedir/priv", | |
122 | "$basedir/nodes", | |
123 | "$basedir/nodes/$nodename", | |
a1c08cfa DM |
124 | "$basedir/nodes/$nodename/qemu-server", |
125 | "$basedir/nodes/$nodename/openvz", | |
fe000966 DM |
126 | "$basedir/nodes/$nodename/priv"); |
127 | ||
128 | foreach my $dir (@required_dirs) { | |
129 | if (! -d $dir) { | |
130 | mkdir($dir) || die "unable to create directory '$dir' - $!\n"; | |
131 | } | |
132 | } | |
133 | } | |
134 | ||
135 | sub gen_auth_key { | |
136 | ||
137 | return if -f "$authprivkeyfn"; | |
138 | ||
139 | check_cfs_is_mounted(); | |
140 | ||
141 | mkdir $authdir || die "unable to create dir '$authdir' - $!\n"; | |
142 | ||
143 | my $cmd = "openssl genrsa -out '$authprivkeyfn' 2048"; | |
144 | run_silent_cmd($cmd); | |
145 | ||
146 | $cmd = "openssl rsa -in '$authprivkeyfn' -pubout -out '$authpubkeyfn'"; | |
147 | run_silent_cmd($cmd) | |
148 | } | |
149 | ||
150 | sub gen_pveca_key { | |
151 | ||
152 | return if -f $pveca_key_fn; | |
153 | ||
154 | eval { | |
155 | run_silent_cmd(['openssl', 'genrsa', '-out', $pveca_key_fn, '2048']); | |
156 | }; | |
157 | ||
158 | die "unable to generate pve ca key:\n$@" if $@; | |
159 | } | |
160 | ||
161 | sub gen_pveca_cert { | |
162 | ||
163 | if (-f $pveca_key_fn && -f $pveca_cert_fn) { | |
164 | return 0; | |
165 | } | |
166 | ||
167 | gen_pveca_key(); | |
168 | ||
169 | # we try to generate an unique 'subject' to avoid browser problems | |
170 | # (reused serial numbers, ..) | |
171 | my $nid = (split (/\s/, `md5sum '$pveca_key_fn'`))[0] || time(); | |
172 | ||
173 | eval { | |
174 | run_silent_cmd(['openssl', 'req', '-batch', '-days', '3650', '-new', | |
175 | '-x509', '-nodes', '-key', | |
176 | $pveca_key_fn, '-out', $pveca_cert_fn, '-subj', | |
177 | "/CN=Proxmox Virtual Environment/OU=$nid/O=PVE Cluster Manager CA/"]); | |
178 | }; | |
179 | ||
180 | die "generating pve root certificate failed:\n$@" if $@; | |
181 | ||
182 | return 1; | |
183 | } | |
184 | ||
185 | sub gen_pve_ssl_key { | |
186 | my ($nodename) = @_; | |
187 | ||
188 | die "no node name specified" if !$nodename; | |
189 | ||
190 | my $pvessl_key_fn = "$basedir/nodes/$nodename/pve-ssl.key"; | |
191 | ||
192 | return if -f $pvessl_key_fn; | |
193 | ||
194 | eval { | |
195 | run_silent_cmd(['openssl', 'genrsa', '-out', $pvessl_key_fn, '2048']); | |
196 | }; | |
197 | ||
198 | die "unable to generate pve ssl key for node '$nodename':\n$@" if $@; | |
199 | } | |
200 | ||
201 | sub gen_pve_www_key { | |
202 | ||
203 | return if -f $pvewww_key_fn; | |
204 | ||
205 | eval { | |
206 | run_silent_cmd(['openssl', 'genrsa', '-out', $pvewww_key_fn, '2048']); | |
207 | }; | |
208 | ||
209 | die "unable to generate pve www key:\n$@" if $@; | |
210 | } | |
211 | ||
212 | sub update_serial { | |
213 | my ($serial) = @_; | |
214 | ||
215 | PVE::Tools::file_set_contents($pveca_srl_fn, $serial); | |
216 | } | |
217 | ||
218 | sub gen_pve_ssl_cert { | |
219 | my ($force, $nodename, $ip) = @_; | |
220 | ||
221 | die "no node name specified" if !$nodename; | |
222 | die "no IP specified" if !$ip; | |
223 | ||
224 | my $pvessl_cert_fn = "$basedir/nodes/$nodename/pve-ssl.pem"; | |
225 | ||
226 | return if !$force && -f $pvessl_cert_fn; | |
227 | ||
228 | my $names = "IP:127.0.0.1,DNS:localhost"; | |
229 | ||
230 | my $rc = PVE::INotify::read_file('resolvconf'); | |
231 | ||
232 | $names .= ",IP:$ip"; | |
233 | ||
234 | my $fqdn = $nodename; | |
235 | ||
236 | $names .= ",DNS:$nodename"; | |
237 | ||
238 | if ($rc && $rc->{search}) { | |
239 | $fqdn = $nodename . "." . $rc->{search}; | |
240 | $names .= ",DNS:$fqdn"; | |
241 | } | |
242 | ||
243 | my $sslconf = <<__EOD; | |
244 | RANDFILE = /root/.rnd | |
245 | extensions = v3_req | |
246 | ||
247 | [ req ] | |
248 | default_bits = 2048 | |
249 | distinguished_name = req_distinguished_name | |
250 | req_extensions = v3_req | |
251 | prompt = no | |
252 | string_mask = nombstr | |
253 | ||
254 | [ req_distinguished_name ] | |
255 | organizationalUnitName = PVE Cluster Node | |
256 | organizationName = Proxmox Virtual Environment | |
257 | commonName = $fqdn | |
258 | ||
259 | [ v3_req ] | |
260 | basicConstraints = CA:FALSE | |
261 | nsCertType = server | |
262 | keyUsage = nonRepudiation, digitalSignature, keyEncipherment | |
263 | subjectAltName = $names | |
264 | __EOD | |
265 | ||
266 | my $cfgfn = "/tmp/pvesslconf-$$.tmp"; | |
267 | my $fh = IO::File->new ($cfgfn, "w"); | |
268 | print $fh $sslconf; | |
269 | close ($fh); | |
270 | ||
271 | my $reqfn = "/tmp/pvecertreq-$$.tmp"; | |
272 | unlink $reqfn; | |
273 | ||
274 | my $pvessl_key_fn = "$basedir/nodes/$nodename/pve-ssl.key"; | |
275 | eval { | |
276 | run_silent_cmd(['openssl', 'req', '-batch', '-new', '-config', $cfgfn, | |
277 | '-key', $pvessl_key_fn, '-out', $reqfn]); | |
278 | }; | |
279 | ||
280 | if (my $err = $@) { | |
281 | unlink $reqfn; | |
282 | unlink $cfgfn; | |
283 | die "unable to generate pve certificate request:\n$err"; | |
284 | } | |
285 | ||
286 | update_serial("0000000000000000") if ! -f $pveca_srl_fn; | |
287 | ||
288 | eval { | |
289 | run_silent_cmd(['openssl', 'x509', '-req', '-in', $reqfn, '-days', '3650', | |
290 | '-out', $pvessl_cert_fn, '-CAkey', $pveca_key_fn, | |
291 | '-CA', $pveca_cert_fn, '-CAserial', $pveca_srl_fn, | |
292 | '-extfile', $cfgfn]); | |
293 | }; | |
294 | ||
295 | if (my $err = $@) { | |
296 | unlink $reqfn; | |
297 | unlink $cfgfn; | |
298 | die "unable to generate pve ssl certificate:\n$err"; | |
299 | } | |
300 | ||
301 | unlink $cfgfn; | |
302 | unlink $reqfn; | |
303 | } | |
304 | ||
305 | sub gen_pve_node_files { | |
306 | my ($nodename, $ip, $opt_force) = @_; | |
307 | ||
308 | gen_local_dirs($nodename); | |
309 | ||
310 | gen_auth_key(); | |
311 | ||
312 | # make sure we have a (cluster wide) secret | |
313 | # for CSRFR prevention | |
314 | gen_pve_www_key(); | |
315 | ||
316 | # make sure we have a (per node) private key | |
317 | gen_pve_ssl_key($nodename); | |
318 | ||
319 | # make sure we have a CA | |
320 | my $force = gen_pveca_cert(); | |
321 | ||
322 | $force = 1 if $opt_force; | |
323 | ||
324 | gen_pve_ssl_cert($force, $nodename, $ip); | |
325 | } | |
326 | ||
bd0ae7ff DM |
327 | my $vzdump_cron_dummy = <<__EOD; |
328 | # cluster wide vzdump cron schedule | |
329 | # Atomatically generated file - do not edit | |
330 | ||
331 | PATH="/usr/sbin:/usr/bin:/sbin:/bin" | |
332 | ||
333 | __EOD | |
334 | ||
335 | sub gen_pve_vzdump_symlink { | |
336 | ||
e1735a61 | 337 | my $filename = "/etc/pve/vzdump.cron"; |
bd0ae7ff DM |
338 | |
339 | my $link_fn = "/etc/cron.d/vzdump"; | |
340 | ||
341 | if ((-f $filename) && (! -l $link_fn)) { | |
342 | rename($link_fn, "/root/etc_cron_vzdump.org"); # make backup if file exists | |
343 | symlink($filename, $link_fn); | |
344 | } | |
345 | } | |
346 | ||
347 | sub gen_pve_vzdump_files { | |
348 | ||
e1735a61 | 349 | my $filename = "/etc/pve/vzdump.cron"; |
bd0ae7ff DM |
350 | |
351 | PVE::Tools::file_set_contents($filename, $vzdump_cron_dummy) | |
352 | if ! -f $filename; | |
353 | ||
354 | gen_pve_vzdump_symlink(); | |
355 | }; | |
356 | ||
fe000966 DM |
357 | my $versions = {}; |
358 | my $vmlist = {}; | |
359 | my $clinfo = {}; | |
360 | ||
361 | my $ipcc_send_rec = sub { | |
362 | my ($msgid, $data) = @_; | |
363 | ||
364 | my $res = PVE::IPCC::ipcc_send_rec($msgid, $data); | |
365 | ||
366 | die "ipcc_send_rec failed: $!\n" if !defined($res) && ($! != 0); | |
367 | ||
368 | return $res; | |
369 | }; | |
370 | ||
371 | my $ipcc_send_rec_json = sub { | |
372 | my ($msgid, $data) = @_; | |
373 | ||
374 | my $res = PVE::IPCC::ipcc_send_rec($msgid, $data); | |
375 | ||
376 | die "ipcc_send_rec failed: $!\n" if !defined($res) && ($! != 0); | |
377 | ||
378 | return decode_json($res); | |
379 | }; | |
380 | ||
381 | my $ipcc_get_config = sub { | |
382 | my ($path) = @_; | |
383 | ||
384 | my $bindata = pack "Z*", $path; | |
2db32d95 DM |
385 | my $res = PVE::IPCC::ipcc_send_rec(6, $bindata); |
386 | if (!defined($res)) { | |
387 | return undef if ($! != 0); | |
388 | return ''; | |
389 | } | |
390 | ||
391 | return $res; | |
fe000966 DM |
392 | }; |
393 | ||
394 | my $ipcc_get_status = sub { | |
395 | my ($name, $nodename) = @_; | |
396 | ||
397 | my $bindata = pack "Z[256]Z[256]", $name, ($nodename || ""); | |
398 | return PVE::IPCC::ipcc_send_rec(5, $bindata); | |
399 | }; | |
400 | ||
401 | my $ipcc_update_status = sub { | |
402 | my ($name, $data) = @_; | |
403 | ||
404 | my $raw = ref($data) ? encode_json($data) : $data; | |
405 | # update status | |
406 | my $bindata = pack "Z[256]Z*", $name, $raw; | |
407 | ||
408 | return &$ipcc_send_rec(4, $bindata); | |
409 | }; | |
410 | ||
411 | my $ipcc_log = sub { | |
412 | my ($priority, $ident, $tag, $msg) = @_; | |
413 | ||
414 | my $bindata = pack "CCCZ*Z*Z*", $priority, bytes::length($ident) + 1, | |
415 | bytes::length($tag) + 1, $ident, $tag, $msg; | |
416 | ||
417 | return &$ipcc_send_rec(7, $bindata); | |
418 | }; | |
419 | ||
420 | my $ipcc_get_cluster_log = sub { | |
421 | my ($user, $max) = @_; | |
422 | ||
423 | $max = 0 if !defined($max); | |
424 | ||
425 | my $bindata = pack "VVVVZ*", $max, 0, 0, 0, ($user || ""); | |
426 | return &$ipcc_send_rec(8, $bindata); | |
427 | }; | |
428 | ||
429 | my $ccache = {}; | |
430 | ||
431 | sub cfs_update { | |
432 | eval { | |
433 | my $res = &$ipcc_send_rec_json(1); | |
434 | #warn "GOT1: " . Dumper($res); | |
435 | die "no starttime\n" if !$res->{starttime}; | |
436 | ||
437 | if (!$res->{starttime} || !$versions->{starttime} || | |
438 | $res->{starttime} != $versions->{starttime}) { | |
439 | #print "detected changed starttime\n"; | |
440 | $vmlist = {}; | |
441 | $clinfo = {}; | |
442 | $ccache = {}; | |
443 | } | |
444 | ||
445 | $versions = $res; | |
446 | }; | |
447 | my $err = $@; | |
448 | if ($err) { | |
449 | $versions = {}; | |
450 | $vmlist = {}; | |
451 | $clinfo = {}; | |
452 | $ccache = {}; | |
453 | warn $err; | |
454 | } | |
455 | ||
456 | eval { | |
457 | if (!$clinfo->{version} || $clinfo->{version} != $versions->{clinfo}) { | |
458 | #warn "detected new clinfo\n"; | |
459 | $clinfo = &$ipcc_send_rec_json(2); | |
460 | } | |
461 | }; | |
462 | $err = $@; | |
463 | if ($err) { | |
464 | $clinfo = {}; | |
465 | warn $err; | |
466 | } | |
467 | ||
468 | eval { | |
469 | if (!$vmlist->{version} || $vmlist->{version} != $versions->{vmlist}) { | |
470 | #warn "detected new vmlist1\n"; | |
471 | $vmlist = &$ipcc_send_rec_json(3); | |
472 | } | |
473 | }; | |
474 | $err = $@; | |
475 | if ($err) { | |
476 | $vmlist = {}; | |
477 | warn $err; | |
478 | } | |
479 | } | |
480 | ||
481 | sub get_vmlist { | |
482 | return $vmlist; | |
483 | } | |
484 | ||
485 | sub get_clinfo { | |
486 | return $clinfo; | |
487 | } | |
488 | ||
9ddd4ae9 DM |
489 | sub get_members { |
490 | return $clinfo->{nodelist}; | |
491 | } | |
492 | ||
fe000966 DM |
493 | sub get_nodelist { |
494 | ||
495 | my $nodelist = $clinfo->{nodelist}; | |
496 | ||
497 | my $result = []; | |
498 | ||
499 | my $nodename = PVE::INotify::nodename(); | |
500 | ||
501 | if (!$nodelist || !$nodelist->{$nodename}) { | |
502 | return [ $nodename ]; | |
503 | } | |
504 | ||
505 | return [ keys %$nodelist ]; | |
506 | } | |
507 | ||
508 | sub broadcast_tasklist { | |
509 | my ($data) = @_; | |
510 | ||
511 | eval { | |
512 | &$ipcc_update_status("tasklist", $data); | |
513 | }; | |
514 | ||
515 | warn $@ if $@; | |
516 | } | |
517 | ||
518 | my $tasklistcache = {}; | |
519 | ||
520 | sub get_tasklist { | |
521 | my ($nodename) = @_; | |
522 | ||
523 | my $kvstore = $versions->{kvstore} || {}; | |
524 | ||
525 | my $nodelist = get_nodelist(); | |
526 | ||
527 | my $res = []; | |
528 | foreach my $node (@$nodelist) { | |
529 | next if $nodename && ($nodename ne $node); | |
530 | eval { | |
531 | my $ver = $kvstore->{$node}->{tasklist} if $kvstore->{$node}; | |
532 | my $cd = $tasklistcache->{$node}; | |
533 | if (!$cd || !$ver || ($cd->{version} != $ver)) { | |
534 | my $raw = &$ipcc_get_status("tasklist", $node) || '[]'; | |
535 | my $data = decode_json($raw); | |
536 | push @$res, @$data; | |
537 | $cd = $tasklistcache->{$node} = { | |
538 | data => $data, | |
539 | version => $ver, | |
540 | }; | |
541 | } elsif ($cd && $cd->{data}) { | |
542 | push @$res, @{$cd->{data}}; | |
543 | } | |
544 | }; | |
545 | my $err = $@; | |
546 | syslog('err', $err) if $err; | |
547 | } | |
548 | ||
549 | return $res; | |
550 | } | |
551 | ||
552 | sub broadcast_rrd { | |
553 | my ($rrdid, $data) = @_; | |
554 | ||
555 | eval { | |
556 | &$ipcc_update_status("rrd/$rrdid", $data); | |
557 | }; | |
558 | my $err = $@; | |
559 | ||
560 | warn $err if $err; | |
561 | } | |
562 | ||
563 | my $last_rrd_dump = 0; | |
564 | my $last_rrd_data = ""; | |
565 | ||
566 | sub rrd_dump { | |
567 | ||
568 | my $ctime = time(); | |
569 | ||
570 | my $diff = $ctime - $last_rrd_dump; | |
571 | if ($diff < 2) { | |
572 | return $last_rrd_data; | |
573 | } | |
574 | ||
575 | my $raw; | |
576 | eval { | |
577 | $raw = &$ipcc_send_rec(10); | |
578 | }; | |
579 | my $err = $@; | |
580 | ||
581 | if ($err) { | |
582 | warn $err; | |
583 | return {}; | |
584 | } | |
585 | ||
586 | my $res = {}; | |
587 | ||
588 | while ($raw =~ s/^(.*)\n//) { | |
589 | my ($key, @ela) = split(/:/, $1); | |
590 | next if !$key; | |
591 | next if !(scalar(@ela) > 1); | |
592 | $res->{$key} = \@ela; | |
593 | } | |
594 | ||
595 | $last_rrd_dump = $ctime; | |
596 | $last_rrd_data = $res; | |
597 | ||
598 | return $res; | |
599 | } | |
600 | ||
601 | sub create_rrd_data { | |
602 | my ($rrdname, $timeframe, $cf) = @_; | |
603 | ||
604 | my $rrddir = "/var/lib/rrdcached/db"; | |
605 | ||
606 | my $rrd = "$rrddir/$rrdname"; | |
607 | ||
608 | my $setup = { | |
609 | hour => [ 60, 70 ], | |
610 | day => [ 60*30, 70 ], | |
611 | week => [ 60*180, 70 ], | |
612 | month => [ 60*720, 70 ], | |
613 | year => [ 60*10080, 70 ], | |
614 | }; | |
615 | ||
616 | my ($reso, $count) = @{$setup->{$timeframe}}; | |
617 | my $ctime = $reso*int(time()/$reso); | |
618 | my $req_start = $ctime - $reso*$count; | |
619 | ||
620 | $cf = "AVERAGE" if !$cf; | |
621 | ||
622 | my @args = ( | |
623 | "-s" => $req_start, | |
624 | "-e" => $ctime - 1, | |
625 | "-r" => $reso, | |
626 | ); | |
627 | ||
628 | my $socket = "/var/run/rrdcached.sock"; | |
629 | push @args, "--daemon" => "unix:$socket" if -S $socket; | |
630 | ||
631 | my ($start, $step, $names, $data) = RRDs::fetch($rrd, $cf, @args); | |
632 | ||
633 | my $err = RRDs::error; | |
634 | die "RRD error: $err\n" if $err; | |
635 | ||
636 | die "got wrong time resolution ($step != $reso)\n" | |
637 | if $step != $reso; | |
638 | ||
639 | my $res = []; | |
640 | my $fields = scalar(@$names); | |
641 | for my $line (@$data) { | |
642 | my $entry = { 'time' => $start }; | |
643 | $start += $step; | |
644 | my $found_undefs; | |
645 | for (my $i = 0; $i < $fields; $i++) { | |
646 | my $name = $names->[$i]; | |
647 | if (defined(my $val = $line->[$i])) { | |
648 | $entry->{$name} = $val; | |
649 | } else { | |
650 | # we only add entryies with all data defined | |
651 | # extjs chart has problems with undefined values | |
652 | $found_undefs = 1; | |
653 | } | |
654 | } | |
655 | push @$res, $entry if !$found_undefs; | |
656 | } | |
657 | ||
658 | return $res; | |
659 | } | |
660 | ||
661 | sub create_rrd_graph { | |
662 | my ($rrdname, $timeframe, $ds, $cf) = @_; | |
663 | ||
664 | # Using RRD graph is clumsy - maybe it | |
665 | # is better to simply fetch the data, and do all display | |
666 | # related things with javascript (new extjs html5 graph library). | |
667 | ||
668 | my $rrddir = "/var/lib/rrdcached/db"; | |
669 | ||
670 | my $rrd = "$rrddir/$rrdname"; | |
671 | ||
672 | my $filename = "$rrd.png"; | |
673 | ||
674 | my $setup = { | |
675 | hour => [ 60, 60 ], | |
676 | day => [ 60*30, 70 ], | |
677 | week => [ 60*180, 70 ], | |
678 | month => [ 60*720, 70 ], | |
679 | year => [ 60*10080, 70 ], | |
680 | }; | |
681 | ||
682 | my ($reso, $count) = @{$setup->{$timeframe}}; | |
683 | ||
684 | my @args = ( | |
685 | "--imgformat" => "PNG", | |
686 | "--border" => 0, | |
687 | "--height" => 200, | |
688 | "--width" => 800, | |
689 | "--start" => - $reso*$count, | |
690 | "--end" => 'now' , | |
691 | ); | |
692 | ||
693 | my $socket = "/var/run/rrdcached.sock"; | |
694 | push @args, "--daemon" => "unix:$socket" if -S $socket; | |
695 | ||
696 | my @ids = PVE::Tools::split_list($ds); | |
697 | ||
698 | my @coldef = ('#00ddff', '#ff0000'); | |
699 | ||
700 | $cf = "AVERAGE" if !$cf; | |
701 | ||
702 | my $i = 0; | |
703 | foreach my $id (@ids) { | |
704 | my $col = $coldef[$i++] || die "fixme: no color definition"; | |
705 | push @args, "DEF:${id}=$rrd:${id}:$cf"; | |
706 | my $dataid = $id; | |
707 | if ($id eq 'cpu' || $id eq 'iowait') { | |
708 | push @args, "CDEF:${id}_per=${id},100,*"; | |
709 | $dataid = "${id}_per"; | |
710 | } | |
711 | push @args, "LINE2:${dataid}${col}:${id}"; | |
712 | } | |
713 | ||
a665376e DM |
714 | push @args, '--full-size-mode'; |
715 | ||
fe000966 DM |
716 | RRDs::graph($filename, @args); |
717 | ||
718 | my $err = RRDs::error; | |
719 | die "RRD error: $err\n" if $err; | |
720 | ||
721 | return { filename => $filename }; | |
722 | } | |
723 | ||
724 | # a fast way to read files (avoid fuse overhead) | |
725 | sub get_config { | |
726 | my ($path) = @_; | |
727 | ||
d3a92ba7 | 728 | return &$ipcc_get_config($path); |
fe000966 DM |
729 | } |
730 | ||
731 | sub get_cluster_log { | |
732 | my ($user, $max) = @_; | |
733 | ||
734 | return &$ipcc_get_cluster_log($user, $max); | |
735 | } | |
736 | ||
737 | my $file_info = {}; | |
738 | ||
739 | sub cfs_register_file { | |
740 | my ($filename, $parser, $writer) = @_; | |
741 | ||
742 | $observed->{$filename} || die "unknown file '$filename'"; | |
743 | ||
744 | die "file '$filename' already registered" if $file_info->{$filename}; | |
745 | ||
746 | $file_info->{$filename} = { | |
747 | parser => $parser, | |
748 | writer => $writer, | |
749 | }; | |
750 | } | |
751 | ||
752 | my $ccache_read = sub { | |
753 | my ($filename, $parser, $version) = @_; | |
754 | ||
755 | $ccache->{$filename} = {} if !$ccache->{$filename}; | |
756 | ||
757 | my $ci = $ccache->{$filename}; | |
758 | ||
d3a92ba7 DM |
759 | if (!$ci->{version} || !$version || $ci->{version} != $version) { |
760 | # we always call the parser, even when the file does not exists | |
761 | # (in that case $data is undef) | |
fe000966 | 762 | my $data = get_config($filename); |
fe000966 DM |
763 | $ci->{data} = &$parser("/etc/pve/$filename", $data); |
764 | $ci->{version} = $version; | |
765 | } | |
766 | ||
767 | my $res = ref($ci->{data}) ? dclone($ci->{data}) : $ci->{data}; | |
768 | ||
769 | return $res; | |
770 | }; | |
771 | ||
772 | sub cfs_file_version { | |
773 | my ($filename) = @_; | |
774 | ||
775 | my $version; | |
776 | my $infotag; | |
f71eee41 DM |
777 | if ($filename =~ m!^nodes/[^/]+/(openvz|qemu-server)/(\d+)\.conf$!) { |
778 | my ($type, $vmid) = ($1, $2); | |
fe000966 DM |
779 | if ($vmlist && $vmlist->{ids} && $vmlist->{ids}->{$vmid}) { |
780 | $version = $vmlist->{ids}->{$vmid}->{version}; | |
781 | } | |
f71eee41 | 782 | $infotag = "/$type/"; |
fe000966 DM |
783 | } else { |
784 | $infotag = $filename; | |
785 | $version = $versions->{$filename}; | |
786 | } | |
787 | ||
788 | my $info = $file_info->{$infotag} || | |
789 | die "unknown file type '$filename'\n"; | |
790 | ||
791 | return wantarray ? ($version, $info) : $version; | |
792 | } | |
793 | ||
794 | sub cfs_read_file { | |
795 | my ($filename) = @_; | |
796 | ||
797 | my ($version, $info) = cfs_file_version($filename); | |
798 | my $parser = $info->{parser}; | |
799 | ||
800 | return &$ccache_read($filename, $parser, $version); | |
801 | } | |
802 | ||
803 | sub cfs_write_file { | |
804 | my ($filename, $data) = @_; | |
805 | ||
806 | my $info = $file_info->{$filename} || die "unknown file '$filename'"; | |
807 | ||
808 | my $writer = $info->{writer} || die "no writer defined"; | |
809 | ||
810 | my $fsname = "/etc/pve/$filename"; | |
811 | ||
812 | my $raw = &$writer($fsname, $data); | |
813 | ||
814 | if (my $ci = $ccache->{$filename}) { | |
815 | $ci->{version} = undef; | |
816 | } | |
817 | ||
818 | PVE::Tools::file_set_contents($fsname, $raw); | |
819 | } | |
820 | ||
821 | my $cfs_lock = sub { | |
822 | my ($lockid, $timeout, $code, @param) = @_; | |
823 | ||
824 | my $res; | |
825 | ||
826 | # this timeout is for aquire the lock | |
827 | $timeout = 10 if !$timeout; | |
828 | ||
829 | my $filename = "$lockdir/$lockid"; | |
830 | ||
831 | my $msg = "can't aquire cfs lock '$lockid'"; | |
832 | ||
833 | eval { | |
834 | ||
835 | mkdir $lockdir; | |
836 | ||
837 | if (! -d $lockdir) { | |
838 | die "$msg: pve cluster filesystem not online.\n"; | |
839 | } | |
840 | ||
841 | local $SIG{ALRM} = sub { die "got lock request timeout\n"; }; | |
842 | ||
843 | alarm ($timeout); | |
844 | ||
845 | if (!(mkdir $filename)) { | |
846 | print STDERR "trying to aquire cfs lock '$lockid' ..."; | |
847 | while (1) { | |
848 | if (!(mkdir $filename)) { | |
849 | (utime 0, 0, $filename); # cfs unlock request | |
850 | } else { | |
851 | print STDERR " OK\n"; | |
852 | last; | |
853 | } | |
854 | sleep(1); | |
855 | } | |
856 | } | |
857 | ||
858 | # fixed command timeout: cfs locks have a timeout of 120 | |
859 | # using 60 gives us another 60 seconds to abort the task | |
860 | alarm(60); | |
861 | local $SIG{ALRM} = sub { die "got lock timeout - aborting command\n"; }; | |
862 | ||
863 | $res = &$code(@param); | |
864 | ||
865 | alarm(0); | |
866 | }; | |
867 | ||
868 | my $err = $@; | |
869 | ||
870 | alarm(0); | |
871 | ||
872 | if ($err && ($err eq "got lock request timeout\n") && | |
873 | !check_cfs_quorum()){ | |
874 | $err = "$msg: no quorum!\n"; | |
875 | } | |
876 | ||
877 | if (!$err || $err !~ /^got lock timeout -/) { | |
878 | rmdir $filename; # cfs unlock | |
879 | } | |
880 | ||
881 | if ($err) { | |
882 | $@ = $err; | |
883 | return undef; | |
884 | } | |
885 | ||
886 | $@ = undef; | |
887 | ||
888 | return $res; | |
889 | }; | |
890 | ||
891 | sub cfs_lock_file { | |
892 | my ($filename, $timeout, $code, @param) = @_; | |
893 | ||
894 | my $info = $observed->{$filename} || die "unknown file '$filename'"; | |
895 | ||
896 | my $lockid = "file-$filename"; | |
897 | $lockid =~ s/[.\/]/_/g; | |
898 | ||
899 | &$cfs_lock($lockid, $timeout, $code, @param); | |
900 | } | |
901 | ||
902 | sub cfs_lock_storage { | |
903 | my ($storeid, $timeout, $code, @param) = @_; | |
904 | ||
905 | my $lockid = "storage-$storeid"; | |
906 | ||
907 | &$cfs_lock($lockid, $timeout, $code, @param); | |
908 | } | |
909 | ||
910 | my $log_levels = { | |
911 | "emerg" => 0, | |
912 | "alert" => 1, | |
913 | "crit" => 2, | |
914 | "critical" => 2, | |
915 | "err" => 3, | |
916 | "error" => 3, | |
917 | "warn" => 4, | |
918 | "warning" => 4, | |
919 | "notice" => 5, | |
920 | "info" => 6, | |
921 | "debug" => 7, | |
922 | }; | |
923 | ||
924 | sub log_msg { | |
925 | my ($priority, $ident, $msg) = @_; | |
926 | ||
927 | if (my $tmp = $log_levels->{$priority}) { | |
928 | $priority = $tmp; | |
929 | } | |
930 | ||
931 | die "need numeric log priority" if $priority !~ /^\d+$/; | |
932 | ||
933 | my $tag = PVE::SafeSyslog::tag(); | |
934 | ||
935 | $msg = "empty message" if !$msg; | |
936 | ||
937 | $ident = "" if !$ident; | |
938 | $ident = encode("ascii", decode_utf8($ident), | |
939 | sub { sprintf "\\u%04x", shift }); | |
940 | ||
941 | my $utf8 = decode_utf8($msg); | |
942 | ||
943 | my $ascii = encode("ascii", $utf8, sub { sprintf "\\u%04x", shift }); | |
944 | ||
945 | if ($ident) { | |
946 | syslog($priority, "<%s> %s", $ident, $ascii); | |
947 | } else { | |
948 | syslog($priority, "%s", $ascii); | |
949 | } | |
950 | ||
951 | eval { &$ipcc_log($priority, $ident, $tag, $ascii); }; | |
952 | ||
953 | syslog("err", "writing cluster log failed: $@") if $@; | |
954 | } | |
955 | ||
65ff467f DM |
956 | sub check_node_exists { |
957 | my ($nodename, $noerr) = @_; | |
958 | ||
959 | my $nodelist = $clinfo->{nodelist}; | |
960 | return 1 if $nodelist && $nodelist->{$nodename}; | |
961 | ||
962 | return undef if $noerr; | |
963 | ||
964 | die "no such cluster node '$nodename'\n"; | |
965 | } | |
966 | ||
fe000966 DM |
967 | # this is also used to get the IP of the local node |
968 | sub remote_node_ip { | |
969 | my ($nodename, $noerr) = @_; | |
970 | ||
971 | my $nodelist = $clinfo->{nodelist}; | |
972 | if ($nodelist && $nodelist->{$nodename}) { | |
973 | if (my $ip = $nodelist->{$nodename}->{ip}) { | |
974 | return $ip; | |
975 | } | |
976 | } | |
977 | ||
978 | # fallback: try to get IP by other means | |
979 | my $packed_ip = gethostbyname($nodename); | |
980 | if (defined $packed_ip) { | |
981 | my $ip = inet_ntoa($packed_ip); | |
982 | ||
983 | if ($ip =~ m/^127\./) { | |
984 | die "hostname lookup failed - got local IP address ($nodename = $ip)\n" if !$noerr; | |
985 | return undef; | |
986 | } | |
987 | ||
988 | return $ip; | |
989 | } | |
990 | ||
991 | die "unable to get IP for node '$nodename' - node offline?\n" if !$noerr; | |
992 | ||
993 | return undef; | |
994 | } | |
995 | ||
996 | # ssh related utility functions | |
997 | ||
998 | sub ssh_merge_keys { | |
999 | # remove duplicate keys in $sshauthkeys | |
1000 | # ssh-copy-id simply add keys, so the file can grow to large | |
1001 | ||
1002 | my $data = ''; | |
1003 | if (-f $sshauthkeys) { | |
1004 | $data = PVE::Tools::file_get_contents($sshauthkeys, 128*1024); | |
1005 | chomp($data); | |
1006 | } | |
1007 | ||
1008 | # always add ourself | |
1009 | if (-f $ssh_rsa_id) { | |
1010 | my $pub = PVE::Tools::file_get_contents($ssh_rsa_id); | |
1011 | chomp($pub); | |
1012 | $data .= "\n$pub\n"; | |
1013 | } | |
1014 | ||
1015 | my $newdata = ""; | |
1016 | my $vhash = {}; | |
1017 | while ($data && $data =~ s/^((.*?)(\n|$))//) { | |
1018 | my $line = "$2\n"; | |
1019 | if ($line =~ m/^ssh-rsa\s+\S+\s+(\S+)$/) { | |
1020 | $vhash->{$1} = $line; | |
1021 | } else { | |
1022 | $newdata .= $line; | |
1023 | } | |
1024 | } | |
1025 | ||
1026 | $newdata .= join("", values(%$vhash)); | |
1027 | ||
1028 | PVE::Tools::file_set_contents($sshauthkeys, $newdata, 0600); | |
1029 | } | |
1030 | ||
1031 | sub setup_ssh_keys { | |
1032 | ||
1033 | # create ssh key if it does not exist | |
1034 | if (! -f $ssh_rsa_id) { | |
1035 | mkdir '/root/.ssh/'; | |
1036 | system ("echo|ssh-keygen -t rsa -N '' -b 2048 -f ${ssh_rsa_id_priv}"); | |
1037 | } | |
1038 | ||
1039 | mkdir $authdir; | |
1040 | ||
1041 | if (! -f $sshauthkeys) { | |
1042 | if (my $fh = IO::File->new ($sshauthkeys, O_CREAT|O_WRONLY|O_EXCL, 0400)) { | |
1043 | close($fh); | |
1044 | } | |
1045 | } | |
1046 | ||
1047 | warn "can't create shared ssh key database '$sshauthkeys'\n" | |
1048 | if ! -f $sshauthkeys; | |
1049 | ||
1050 | if (-f $rootsshauthkeys) { | |
1051 | system("mv '$rootsshauthkeys' '$rootsshauthkeys.org'"); | |
1052 | } | |
1053 | ||
1054 | if (! -l $rootsshauthkeys) { | |
1055 | symlink $sshauthkeys, $rootsshauthkeys; | |
1056 | } | |
1057 | warn "can't create symlink for ssh keys '$rootsshauthkeys' -> '$sshauthkeys'\n" | |
1058 | if ! -l $rootsshauthkeys; | |
1059 | ||
1060 | } | |
1061 | ||
1062 | sub ssh_unmerge_known_hosts { | |
1063 | return if ! -l $sshglobalknownhosts; | |
1064 | ||
1065 | my $old = ''; | |
1066 | $old = PVE::Tools::file_get_contents($sshknownhosts, 128*1024) | |
1067 | if -f $sshknownhosts; | |
1068 | ||
1069 | PVE::Tools::file_set_contents($sshglobalknownhosts, $old); | |
1070 | } | |
1071 | ||
1072 | sub ssh_merge_known_hosts { | |
1073 | my ($nodename, $ip_address, $createLink) = @_; | |
1074 | ||
1075 | die "no node name specified" if !$nodename; | |
1076 | die "no ip address specified" if !$ip_address; | |
1077 | ||
1078 | mkdir $authdir; | |
1079 | ||
1080 | if (! -f $sshknownhosts) { | |
1081 | if (my $fh = IO::File->new($sshknownhosts, O_CREAT|O_WRONLY|O_EXCL, 0600)) { | |
1082 | close($fh); | |
1083 | } | |
1084 | } | |
1085 | ||
1086 | my $old = PVE::Tools::file_get_contents($sshknownhosts, 128*1024); | |
1087 | ||
1088 | my $new = ''; | |
1089 | ||
1090 | if ((! -l $sshglobalknownhosts) && (-f $sshglobalknownhosts)) { | |
1091 | $new = PVE::Tools::file_get_contents($sshglobalknownhosts, 128*1024); | |
1092 | } | |
1093 | ||
1094 | my $hostkey = PVE::Tools::file_get_contents($ssh_host_rsa_id); | |
1095 | die "can't parse $ssh_rsa_id" if $hostkey !~ m/^(ssh-rsa\s\S+)(\s.*)?$/; | |
1096 | $hostkey = $1; | |
1097 | ||
1098 | my $data = ''; | |
1099 | my $vhash = {}; | |
1100 | ||
1101 | my $found_nodename; | |
1102 | my $found_local_ip; | |
1103 | ||
1104 | my $merge_line = sub { | |
1105 | my ($line, $all) = @_; | |
1106 | ||
1107 | if ($line =~ m/^(\S+)\s(ssh-rsa\s\S+)(\s.*)?$/) { | |
1108 | my $key = $1; | |
1109 | my $rsakey = $2; | |
1110 | if (!$vhash->{$key}) { | |
1111 | $vhash->{$key} = 1; | |
1112 | if ($key =~ m/\|1\|([^\|\s]+)\|([^\|\s]+)$/) { | |
1113 | my $salt = decode_base64($1); | |
1114 | my $digest = $2; | |
1115 | my $hmac = Digest::HMAC_SHA1->new($salt); | |
1116 | $hmac->add($nodename); | |
1117 | my $hd = $hmac->b64digest . '='; | |
1118 | if ($digest eq $hd) { | |
1119 | if ($rsakey eq $hostkey) { | |
1120 | $found_nodename = 1; | |
1121 | $data .= $line; | |
1122 | } | |
1123 | return; | |
1124 | } | |
1125 | $hmac = Digest::HMAC_SHA1->new($salt); | |
1126 | $hmac->add($ip_address); | |
1127 | $hd = $hmac->b64digest . '='; | |
1128 | if ($digest eq $hd) { | |
1129 | if ($rsakey eq $hostkey) { | |
1130 | $found_local_ip = 1; | |
1131 | $data .= $line; | |
1132 | } | |
1133 | return; | |
1134 | } | |
1135 | } | |
1136 | $data .= $line; | |
1137 | } | |
1138 | } elsif ($all) { | |
1139 | $data .= $line; | |
1140 | } | |
1141 | }; | |
1142 | ||
1143 | while ($old && $old =~ s/^((.*?)(\n|$))//) { | |
1144 | my $line = "$2\n"; | |
1145 | next if $line =~ m/^\s*$/; # skip empty lines | |
1146 | next if $line =~ m/^#/; # skip comments | |
1147 | &$merge_line($line, 1); | |
1148 | } | |
1149 | ||
1150 | while ($new && $new =~ s/^((.*?)(\n|$))//) { | |
1151 | my $line = "$2\n"; | |
1152 | next if $line =~ m/^\s*$/; # skip empty lines | |
1153 | next if $line =~ m/^#/; # skip comments | |
1154 | &$merge_line($line); | |
1155 | } | |
1156 | ||
1157 | my $addIndex = $$; | |
1158 | my $add_known_hosts_entry = sub { | |
1159 | my ($name, $hostkey) = @_; | |
1160 | $addIndex++; | |
1161 | my $hmac = Digest::HMAC_SHA1->new("$addIndex" . time()); | |
1162 | my $b64salt = $hmac->b64digest . '='; | |
1163 | $hmac = Digest::HMAC_SHA1->new(decode_base64($b64salt)); | |
1164 | $hmac->add($name); | |
1165 | my $digest = $hmac->b64digest . '='; | |
1166 | $data .= "|1|$b64salt|$digest $hostkey\n"; | |
1167 | }; | |
1168 | ||
1169 | if (!$found_nodename || !$found_local_ip) { | |
1170 | &$add_known_hosts_entry($nodename, $hostkey) if !$found_nodename; | |
1171 | &$add_known_hosts_entry($ip_address, $hostkey) if !$found_local_ip; | |
1172 | } | |
1173 | ||
1174 | PVE::Tools::file_set_contents($sshknownhosts, $data); | |
1175 | ||
1176 | return if !$createLink; | |
1177 | ||
1178 | unlink $sshglobalknownhosts; | |
1179 | symlink $sshknownhosts, $sshglobalknownhosts; | |
1180 | ||
1181 | warn "can't create symlink for ssh known hosts '$sshglobalknownhosts' -> '$sshknownhosts'\n" | |
1182 | if ! -l $sshglobalknownhosts; | |
1183 | ||
1184 | } | |
1185 | ||
1186 | my $keymaphash = PVE::Tools::kvmkeymaps(); | |
1187 | my $datacenter_schema = { | |
1188 | type => "object", | |
1189 | additionalProperties => 0, | |
1190 | properties => { | |
1191 | keyboard => { | |
1192 | optional => 1, | |
1193 | type => 'string', | |
1194 | description => "Default keybord layout for vnc server.", | |
1195 | enum => [ keys %$keymaphash ], | |
1196 | }, | |
1197 | language => { | |
1198 | optional => 1, | |
1199 | type => 'string', | |
1200 | description => "Default GUI language.", | |
1201 | enum => [ 'en', 'de' ], | |
1202 | }, | |
1203 | http_proxy => { | |
1204 | optional => 1, | |
1205 | type => 'string', | |
1206 | description => "Specify external http proxy which is used for downloads (example: 'http://username:password\@host:port/')", | |
1207 | pattern => "http://.*", | |
1208 | }, | |
1209 | }, | |
1210 | }; | |
1211 | ||
1212 | # make schema accessible from outside (for documentation) | |
1213 | sub get_datacenter_schema { return $datacenter_schema }; | |
1214 | ||
1215 | sub parse_datacenter_config { | |
1216 | my ($filename, $raw) = @_; | |
1217 | ||
1218 | return PVE::JSONSchema::parse_config($datacenter_schema, $filename, $raw); | |
1219 | } | |
1220 | ||
1221 | sub write_datacenter_config { | |
1222 | my ($filename, $cfg) = @_; | |
1223 | ||
1224 | return PVE::JSONSchema::dump_config($datacenter_schema, $filename, $cfg); | |
1225 | } | |
1226 | ||
1227 | cfs_register_file('datacenter.cfg', | |
1228 | \&parse_datacenter_config, | |
1229 | \&write_datacenter_config); | |
ec48ec22 DM |
1230 | |
1231 | sub parse_cluster_conf { | |
1232 | my ($filename, $raw) = @_; | |
1233 | ||
1234 | my $conf = {}; | |
1235 | ||
1236 | my $digest = Digest::SHA1::sha1_hex(defined($raw) ? $raw : ''); | |
1237 | ||
1238 | my $createNode = sub { | |
1239 | my ($expat, $tag, %attrib) = @_; | |
1240 | $expat->{NodeCount}++; | |
1241 | return { text => $tag, id => $expat->{NodeCount}, %attrib }; | |
1242 | }; | |
1243 | ||
1244 | my $handlers = { | |
1245 | Init => sub { | |
1246 | my $expat = shift; | |
1247 | $expat->{NodeCount} = 0; | |
1248 | $expat->{NodeStack} = []; | |
1249 | $expat->{CurNode} = $expat->{Tree} = &$createNode($expat, 'root'); | |
1250 | }, | |
1251 | Final => sub { | |
1252 | my $expat = shift; | |
1253 | delete $expat->{CurNode}; | |
1254 | delete $expat->{NodeStack}; | |
1255 | $expat->{Tree}; | |
1256 | }, | |
1257 | Start => sub { | |
1258 | my $expat = shift; | |
1259 | my $tag = shift; | |
1260 | my $parent = $expat->{CurNode}; | |
1261 | push @{ $expat->{NodeStack} }, $parent; | |
1262 | my $node = &$createNode($expat, $tag, @_); | |
1263 | push @{$expat->{CurNode}->{children}}, $node; | |
1264 | $expat->{CurNode} = $node; | |
1265 | }, | |
1266 | End => sub { | |
1267 | my $expat = shift; | |
1268 | my $tag = shift; | |
1269 | my $node = pop @{ $expat->{NodeStack} }; | |
1270 | $expat->{CurNode} = $node; | |
1271 | }, | |
1272 | }; | |
1273 | ||
1274 | if ($raw) { | |
1275 | my $parser = new XML::Parser(Handlers => $handlers); | |
1276 | $conf = $parser->parse($raw); | |
1277 | } | |
1278 | ||
1279 | $conf->{digest} = $digest; | |
1280 | ||
1281 | return $conf; | |
1282 | } | |
1283 | ||
1284 | sub cluster_conf_version { | |
1d01c3f6 DM |
1285 | my ($conf, $noerr) = @_; |
1286 | ||
1287 | if ($conf && $conf->{children} && $conf->{children}->[0]) { | |
1288 | my $cluster = $conf->{children}->[0]; | |
1289 | if ($cluster && ($cluster->{text} eq 'cluster') && | |
1290 | $cluster->{config_version}) { | |
1291 | if (my $version = int($cluster->{config_version})) { | |
1292 | return wantarray ? ($version, $cluster) : $version; | |
1293 | } | |
1294 | } | |
1295 | } | |
1296 | ||
1297 | return undef if $noerr; | |
1298 | ||
1299 | die "no cluster config - unable to read version\n"; | |
1300 | } | |
1301 | ||
1302 | sub cluster_conf_lookup_cluster_section { | |
1303 | my ($conf, $noerr) = @_; | |
1304 | ||
1305 | my ($version, $cluster) = cluster_conf_version($conf, $noerr); | |
1306 | ||
1307 | return $cluster; | |
1308 | } | |
1309 | ||
1310 | sub cluster_conf_lookup_rm_section { | |
1311 | my ($conf, $create, $noerr) = @_; | |
1312 | ||
1313 | my $cluster = cluster_conf_lookup_cluster_section($conf, $noerr); | |
1314 | return undef if !$cluster; | |
1315 | ||
1316 | my $rmsec; | |
1317 | foreach my $child (@{$cluster->{children}}) { | |
1318 | if ($child->{text} eq 'rm') { | |
1319 | $rmsec = $child; | |
1320 | } | |
1321 | } | |
1322 | if (!$rmsec) { | |
1323 | if (!$create) { | |
1324 | return undef if $noerr; | |
1325 | die "no resource manager section\n"; | |
1326 | } | |
1327 | $rmsec = { text => 'rm' }; | |
1328 | push @{$cluster->{children}}, $rmsec; | |
1329 | } | |
1330 | ||
1331 | return $rmsec; | |
1332 | } | |
1333 | ||
1334 | sub cluster_conf_lookup_pvevm { | |
1335 | my ($conf, $create, $vmid, $noerr) = @_; | |
ec48ec22 | 1336 | |
1d01c3f6 DM |
1337 | my $rmsec = cluster_conf_lookup_rm_section($conf, $create, $noerr); |
1338 | return undef if !$rmsec; | |
ec48ec22 | 1339 | |
1d01c3f6 DM |
1340 | my $vmref; |
1341 | foreach my $child (@{$rmsec->{children}}) { | |
1342 | if ($child->{text} eq 'pvevm' && $child->{vmid} eq $vmid) { | |
1343 | $vmref = $child; | |
1344 | } | |
1345 | } | |
ec48ec22 | 1346 | |
1d01c3f6 DM |
1347 | if (!$vmref) { |
1348 | if (!$create) { | |
1349 | return undef if $noerr; | |
1350 | die "unable to find service 'pvevm:$vmid'\n"; | |
1351 | } | |
1352 | $vmref = { text => 'pvevm', vmid => $vmid }; | |
1353 | push @{$rmsec->{children}}, $vmref; | |
1354 | } elsif ($create) { | |
1355 | return undef if $noerr; | |
1356 | die "unable to create service 'pvevm:$vmid' - already exists\n"; | |
1357 | } | |
1358 | ||
1359 | return $vmref; | |
ec48ec22 DM |
1360 | } |
1361 | ||
1362 | sub xml_escape_attrib { | |
1363 | my ($data) = @_; | |
1364 | ||
0e138491 | 1365 | return '' if !defined($data); |
ec48ec22 DM |
1366 | |
1367 | $data =~ s/&/&/sg; | |
1368 | $data =~ s/</</sg; | |
1369 | $data =~ s/>/>/sg; | |
1370 | $data =~ s/"/"/sg; | |
1371 | ||
1372 | return $data; | |
1373 | } | |
1374 | ||
1375 | sub __cluster_conf_dump_node { | |
1376 | my ($node, $indend) = @_; | |
1377 | ||
1378 | my $xml = ''; | |
1379 | ||
1380 | $indend = '' if !defined($indend); | |
1381 | ||
1382 | my $attribs = ''; | |
1383 | ||
1384 | foreach my $key (sort keys %$node) { | |
1385 | my $value = $node->{$key}; | |
1386 | next if $key eq 'id' || $key eq 'text' || $key eq 'children'; | |
1387 | $attribs .= " $key=\"" . xml_escape_attrib($value) . "\""; | |
1388 | } | |
1389 | ||
1390 | my $children = $node->{children}; | |
1391 | ||
1392 | if ($children && scalar(@$children)) { | |
1393 | $xml .= "$indend<$node->{text}$attribs>\n"; | |
1394 | my $childindend = "$indend "; | |
1395 | foreach my $child (@$children) { | |
1396 | $xml .= __cluster_conf_dump_node($child, $childindend); | |
1397 | } | |
1398 | $xml .= "$indend</$node->{text}>\n"; | |
1399 | } else { | |
1400 | $xml .= "$indend<$node->{text}$attribs/>\n"; | |
1401 | } | |
1402 | ||
1403 | return $xml; | |
1404 | } | |
1405 | ||
1406 | sub write_cluster_conf { | |
1407 | my ($filename, $cfg) = @_; | |
1408 | ||
1409 | my $version = cluster_conf_version($cfg); | |
1d01c3f6 | 1410 | |
ec48ec22 DM |
1411 | my $res = "<?xml version=\"1.0\"?>\n"; |
1412 | ||
1413 | $res .= __cluster_conf_dump_node($cfg->{children}->[0]); | |
1414 | ||
1415 | return $res; | |
1416 | } | |
1417 | ||
1418 | # read only - use "rename cluster.conf.new cluster.conf" to write | |
1419 | PVE::Cluster::cfs_register_file('cluster.conf', \&parse_cluster_conf); | |
1420 | # this is read/write | |
1421 | PVE::Cluster::cfs_register_file('cluster.conf.new', \&parse_cluster_conf, | |
1422 | \&write_cluster_conf); |