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1 | package PVE::Cluster; | |
2 | ||
3 | use strict; | |
4 | use POSIX qw(EEXIST); | |
5 | use File::stat qw(); | |
6 | use Socket; | |
7 | use Storable qw(dclone); | |
8 | use IO::File; | |
9 | use MIME::Base64; | |
10 | use XML::Parser; | |
11 | use Digest::SHA; | |
12 | use Digest::HMAC_SHA1; | |
13 | use PVE::Tools; | |
14 | use PVE::INotify; | |
15 | use PVE::IPCC; | |
16 | use PVE::SafeSyslog; | |
17 | use PVE::JSONSchema; | |
18 | use JSON; | |
19 | use RRDs; | |
20 | use Encode; | |
21 | use base 'Exporter'; | |
22 | ||
23 | our @EXPORT_OK = qw( | |
24 | cfs_read_file | |
25 | cfs_write_file | |
26 | cfs_register_file | |
27 | cfs_lock_file); | |
28 | ||
29 | use Data::Dumper; # fixme: remove | |
30 | ||
31 | # x509 certificate utils | |
32 | ||
33 | my $basedir = "/etc/pve"; | |
34 | my $authdir = "$basedir/priv"; | |
35 | my $lockdir = "/etc/pve/priv/lock"; | |
36 | ||
37 | my $authprivkeyfn = "$authdir/authkey.key"; | |
38 | my $authpubkeyfn = "$basedir/authkey.pub"; | |
39 | my $pveca_key_fn = "$authdir/pve-root-ca.key"; | |
40 | my $pveca_srl_fn = "$authdir/pve-root-ca.srl"; | |
41 | my $pveca_cert_fn = "$basedir/pve-root-ca.pem"; | |
42 | # this is just a secret accessable by the web browser | |
43 | # and is used for CSRF prevention | |
44 | my $pvewww_key_fn = "$basedir/pve-www.key"; | |
45 | ||
46 | # ssh related files | |
47 | my $ssh_rsa_id_priv = "/root/.ssh/id_rsa"; | |
48 | my $ssh_rsa_id = "/root/.ssh/id_rsa.pub"; | |
49 | my $ssh_host_rsa_id = "/etc/ssh/ssh_host_rsa_key.pub"; | |
50 | my $sshglobalknownhosts = "/etc/ssh/ssh_known_hosts"; | |
51 | my $sshknownhosts = "/etc/pve/priv/known_hosts"; | |
52 | my $sshauthkeys = "/etc/pve/priv/authorized_keys"; | |
53 | my $rootsshauthkeys = "/root/.ssh/authorized_keys"; | |
54 | my $rootsshauthkeysbackup = "${rootsshauthkeys}.org"; | |
55 | my $rootsshconfig = "/root/.ssh/config"; | |
56 | ||
57 | my $observed = { | |
58 | 'vzdump.cron' => 1, | |
59 | 'storage.cfg' => 1, | |
60 | 'datacenter.cfg' => 1, | |
61 | 'cluster.conf' => 1, | |
62 | 'cluster.conf.new' => 1, | |
63 | 'user.cfg' => 1, | |
64 | 'domains.cfg' => 1, | |
65 | 'priv/shadow.cfg' => 1, | |
66 | '/qemu-server/' => 1, | |
67 | '/openvz/' => 1, | |
68 | }; | |
69 | ||
70 | # only write output if something fails | |
71 | sub run_silent_cmd { | |
72 | my ($cmd) = @_; | |
73 | ||
74 | my $outbuf = ''; | |
75 | ||
76 | my $record_output = sub { | |
77 | $outbuf .= shift; | |
78 | $outbuf .= "\n"; | |
79 | }; | |
80 | ||
81 | eval { | |
82 | PVE::Tools::run_command($cmd, outfunc => $record_output, | |
83 | errfunc => $record_output); | |
84 | }; | |
85 | ||
86 | my $err = $@; | |
87 | ||
88 | if ($err) { | |
89 | print STDERR $outbuf; | |
90 | die $err; | |
91 | } | |
92 | } | |
93 | ||
94 | sub check_cfs_quorum { | |
95 | my ($noerr) = @_; | |
96 | ||
97 | # note: -w filename always return 1 for root, so wee need | |
98 | # to use File::lstat here | |
99 | my $st = File::stat::lstat("$basedir/local"); | |
100 | my $quorate = ($st && (($st->mode & 0200) != 0)); | |
101 | ||
102 | die "cluster not ready - no quorum?\n" if !$quorate && !$noerr; | |
103 | ||
104 | return $quorate; | |
105 | } | |
106 | ||
107 | sub check_cfs_is_mounted { | |
108 | my ($noerr) = @_; | |
109 | ||
110 | my $res = -l "$basedir/local"; | |
111 | ||
112 | die "pve configuration filesystem not mounted\n" | |
113 | if !$res && !$noerr; | |
114 | ||
115 | return $res; | |
116 | } | |
117 | ||
118 | sub gen_local_dirs { | |
119 | my ($nodename) = @_; | |
120 | ||
121 | check_cfs_is_mounted(); | |
122 | ||
123 | my @required_dirs = ( | |
124 | "$basedir/priv", | |
125 | "$basedir/nodes", | |
126 | "$basedir/nodes/$nodename", | |
127 | "$basedir/nodes/$nodename/qemu-server", | |
128 | "$basedir/nodes/$nodename/openvz", | |
129 | "$basedir/nodes/$nodename/priv"); | |
130 | ||
131 | foreach my $dir (@required_dirs) { | |
132 | if (! -d $dir) { | |
133 | mkdir($dir) || $! == EEXIST || die "unable to create directory '$dir' - $!\n"; | |
134 | } | |
135 | } | |
136 | } | |
137 | ||
138 | sub gen_auth_key { | |
139 | ||
140 | return if -f "$authprivkeyfn"; | |
141 | ||
142 | check_cfs_is_mounted(); | |
143 | ||
144 | mkdir $authdir || $! == EEXIST || die "unable to create dir '$authdir' - $!\n"; | |
145 | ||
146 | my $cmd = "openssl genrsa -out '$authprivkeyfn' 2048"; | |
147 | run_silent_cmd($cmd); | |
148 | ||
149 | $cmd = "openssl rsa -in '$authprivkeyfn' -pubout -out '$authpubkeyfn'"; | |
150 | run_silent_cmd($cmd) | |
151 | } | |
152 | ||
153 | sub gen_pveca_key { | |
154 | ||
155 | return if -f $pveca_key_fn; | |
156 | ||
157 | eval { | |
158 | run_silent_cmd(['openssl', 'genrsa', '-out', $pveca_key_fn, '2048']); | |
159 | }; | |
160 | ||
161 | die "unable to generate pve ca key:\n$@" if $@; | |
162 | } | |
163 | ||
164 | sub gen_pveca_cert { | |
165 | ||
166 | if (-f $pveca_key_fn && -f $pveca_cert_fn) { | |
167 | return 0; | |
168 | } | |
169 | ||
170 | gen_pveca_key(); | |
171 | ||
172 | # we try to generate an unique 'subject' to avoid browser problems | |
173 | # (reused serial numbers, ..) | |
174 | my $nid = (split (/\s/, `md5sum '$pveca_key_fn'`))[0] || time(); | |
175 | ||
176 | eval { | |
177 | run_silent_cmd(['openssl', 'req', '-batch', '-days', '3650', '-new', | |
178 | '-x509', '-nodes', '-key', | |
179 | $pveca_key_fn, '-out', $pveca_cert_fn, '-subj', | |
180 | "/CN=Proxmox Virtual Environment/OU=$nid/O=PVE Cluster Manager CA/"]); | |
181 | }; | |
182 | ||
183 | die "generating pve root certificate failed:\n$@" if $@; | |
184 | ||
185 | return 1; | |
186 | } | |
187 | ||
188 | sub gen_pve_ssl_key { | |
189 | my ($nodename) = @_; | |
190 | ||
191 | die "no node name specified" if !$nodename; | |
192 | ||
193 | my $pvessl_key_fn = "$basedir/nodes/$nodename/pve-ssl.key"; | |
194 | ||
195 | return if -f $pvessl_key_fn; | |
196 | ||
197 | eval { | |
198 | run_silent_cmd(['openssl', 'genrsa', '-out', $pvessl_key_fn, '2048']); | |
199 | }; | |
200 | ||
201 | die "unable to generate pve ssl key for node '$nodename':\n$@" if $@; | |
202 | } | |
203 | ||
204 | sub gen_pve_www_key { | |
205 | ||
206 | return if -f $pvewww_key_fn; | |
207 | ||
208 | eval { | |
209 | run_silent_cmd(['openssl', 'genrsa', '-out', $pvewww_key_fn, '2048']); | |
210 | }; | |
211 | ||
212 | die "unable to generate pve www key:\n$@" if $@; | |
213 | } | |
214 | ||
215 | sub update_serial { | |
216 | my ($serial) = @_; | |
217 | ||
218 | PVE::Tools::file_set_contents($pveca_srl_fn, $serial); | |
219 | } | |
220 | ||
221 | sub gen_pve_ssl_cert { | |
222 | my ($force, $nodename, $ip) = @_; | |
223 | ||
224 | die "no node name specified" if !$nodename; | |
225 | die "no IP specified" if !$ip; | |
226 | ||
227 | my $pvessl_cert_fn = "$basedir/nodes/$nodename/pve-ssl.pem"; | |
228 | ||
229 | return if !$force && -f $pvessl_cert_fn; | |
230 | ||
231 | my $names = "IP:127.0.0.1,DNS:localhost"; | |
232 | ||
233 | my $rc = PVE::INotify::read_file('resolvconf'); | |
234 | ||
235 | $names .= ",IP:$ip"; | |
236 | ||
237 | my $fqdn = $nodename; | |
238 | ||
239 | $names .= ",DNS:$nodename"; | |
240 | ||
241 | if ($rc && $rc->{search}) { | |
242 | $fqdn = $nodename . "." . $rc->{search}; | |
243 | $names .= ",DNS:$fqdn"; | |
244 | } | |
245 | ||
246 | my $sslconf = <<__EOD; | |
247 | RANDFILE = /root/.rnd | |
248 | extensions = v3_req | |
249 | ||
250 | [ req ] | |
251 | default_bits = 2048 | |
252 | distinguished_name = req_distinguished_name | |
253 | req_extensions = v3_req | |
254 | prompt = no | |
255 | string_mask = nombstr | |
256 | ||
257 | [ req_distinguished_name ] | |
258 | organizationalUnitName = PVE Cluster Node | |
259 | organizationName = Proxmox Virtual Environment | |
260 | commonName = $fqdn | |
261 | ||
262 | [ v3_req ] | |
263 | basicConstraints = CA:FALSE | |
264 | nsCertType = server | |
265 | keyUsage = nonRepudiation, digitalSignature, keyEncipherment | |
266 | subjectAltName = $names | |
267 | __EOD | |
268 | ||
269 | my $cfgfn = "/tmp/pvesslconf-$$.tmp"; | |
270 | my $fh = IO::File->new ($cfgfn, "w"); | |
271 | print $fh $sslconf; | |
272 | close ($fh); | |
273 | ||
274 | my $reqfn = "/tmp/pvecertreq-$$.tmp"; | |
275 | unlink $reqfn; | |
276 | ||
277 | my $pvessl_key_fn = "$basedir/nodes/$nodename/pve-ssl.key"; | |
278 | eval { | |
279 | run_silent_cmd(['openssl', 'req', '-batch', '-new', '-config', $cfgfn, | |
280 | '-key', $pvessl_key_fn, '-out', $reqfn]); | |
281 | }; | |
282 | ||
283 | if (my $err = $@) { | |
284 | unlink $reqfn; | |
285 | unlink $cfgfn; | |
286 | die "unable to generate pve certificate request:\n$err"; | |
287 | } | |
288 | ||
289 | update_serial("0000000000000000") if ! -f $pveca_srl_fn; | |
290 | ||
291 | eval { | |
292 | run_silent_cmd(['openssl', 'x509', '-req', '-in', $reqfn, '-days', '3650', | |
293 | '-out', $pvessl_cert_fn, '-CAkey', $pveca_key_fn, | |
294 | '-CA', $pveca_cert_fn, '-CAserial', $pveca_srl_fn, | |
295 | '-extfile', $cfgfn]); | |
296 | }; | |
297 | ||
298 | if (my $err = $@) { | |
299 | unlink $reqfn; | |
300 | unlink $cfgfn; | |
301 | die "unable to generate pve ssl certificate:\n$err"; | |
302 | } | |
303 | ||
304 | unlink $cfgfn; | |
305 | unlink $reqfn; | |
306 | } | |
307 | ||
308 | sub gen_pve_node_files { | |
309 | my ($nodename, $ip, $opt_force) = @_; | |
310 | ||
311 | gen_local_dirs($nodename); | |
312 | ||
313 | gen_auth_key(); | |
314 | ||
315 | # make sure we have a (cluster wide) secret | |
316 | # for CSRFR prevention | |
317 | gen_pve_www_key(); | |
318 | ||
319 | # make sure we have a (per node) private key | |
320 | gen_pve_ssl_key($nodename); | |
321 | ||
322 | # make sure we have a CA | |
323 | my $force = gen_pveca_cert(); | |
324 | ||
325 | $force = 1 if $opt_force; | |
326 | ||
327 | gen_pve_ssl_cert($force, $nodename, $ip); | |
328 | } | |
329 | ||
330 | my $vzdump_cron_dummy = <<__EOD; | |
331 | # cluster wide vzdump cron schedule | |
332 | # Atomatically generated file - do not edit | |
333 | ||
334 | PATH="/usr/sbin:/usr/bin:/sbin:/bin" | |
335 | ||
336 | __EOD | |
337 | ||
338 | sub gen_pve_vzdump_symlink { | |
339 | ||
340 | my $filename = "/etc/pve/vzdump.cron"; | |
341 | ||
342 | my $link_fn = "/etc/cron.d/vzdump"; | |
343 | ||
344 | if ((-f $filename) && (! -l $link_fn)) { | |
345 | rename($link_fn, "/root/etc_cron_vzdump.org"); # make backup if file exists | |
346 | symlink($filename, $link_fn); | |
347 | } | |
348 | } | |
349 | ||
350 | sub gen_pve_vzdump_files { | |
351 | ||
352 | my $filename = "/etc/pve/vzdump.cron"; | |
353 | ||
354 | PVE::Tools::file_set_contents($filename, $vzdump_cron_dummy) | |
355 | if ! -f $filename; | |
356 | ||
357 | gen_pve_vzdump_symlink(); | |
358 | }; | |
359 | ||
360 | my $versions = {}; | |
361 | my $vmlist = {}; | |
362 | my $clinfo = {}; | |
363 | ||
364 | my $ipcc_send_rec = sub { | |
365 | my ($msgid, $data) = @_; | |
366 | ||
367 | my $res = PVE::IPCC::ipcc_send_rec($msgid, $data); | |
368 | ||
369 | die "ipcc_send_rec failed: $!\n" if !defined($res) && ($! != 0); | |
370 | ||
371 | return $res; | |
372 | }; | |
373 | ||
374 | my $ipcc_send_rec_json = sub { | |
375 | my ($msgid, $data) = @_; | |
376 | ||
377 | my $res = PVE::IPCC::ipcc_send_rec($msgid, $data); | |
378 | ||
379 | die "ipcc_send_rec failed: $!\n" if !defined($res) && ($! != 0); | |
380 | ||
381 | return decode_json($res); | |
382 | }; | |
383 | ||
384 | my $ipcc_get_config = sub { | |
385 | my ($path) = @_; | |
386 | ||
387 | my $bindata = pack "Z*", $path; | |
388 | my $res = PVE::IPCC::ipcc_send_rec(6, $bindata); | |
389 | if (!defined($res)) { | |
390 | return undef if ($! != 0); | |
391 | return ''; | |
392 | } | |
393 | ||
394 | return $res; | |
395 | }; | |
396 | ||
397 | my $ipcc_get_status = sub { | |
398 | my ($name, $nodename) = @_; | |
399 | ||
400 | my $bindata = pack "Z[256]Z[256]", $name, ($nodename || ""); | |
401 | return PVE::IPCC::ipcc_send_rec(5, $bindata); | |
402 | }; | |
403 | ||
404 | my $ipcc_update_status = sub { | |
405 | my ($name, $data) = @_; | |
406 | ||
407 | my $raw = ref($data) ? encode_json($data) : $data; | |
408 | # update status | |
409 | my $bindata = pack "Z[256]Z*", $name, $raw; | |
410 | ||
411 | return &$ipcc_send_rec(4, $bindata); | |
412 | }; | |
413 | ||
414 | my $ipcc_log = sub { | |
415 | my ($priority, $ident, $tag, $msg) = @_; | |
416 | ||
417 | my $bindata = pack "CCCZ*Z*Z*", $priority, bytes::length($ident) + 1, | |
418 | bytes::length($tag) + 1, $ident, $tag, $msg; | |
419 | ||
420 | return &$ipcc_send_rec(7, $bindata); | |
421 | }; | |
422 | ||
423 | my $ipcc_get_cluster_log = sub { | |
424 | my ($user, $max) = @_; | |
425 | ||
426 | $max = 0 if !defined($max); | |
427 | ||
428 | my $bindata = pack "VVVVZ*", $max, 0, 0, 0, ($user || ""); | |
429 | return &$ipcc_send_rec(8, $bindata); | |
430 | }; | |
431 | ||
432 | my $ccache = {}; | |
433 | ||
434 | sub cfs_update { | |
435 | eval { | |
436 | my $res = &$ipcc_send_rec_json(1); | |
437 | #warn "GOT1: " . Dumper($res); | |
438 | die "no starttime\n" if !$res->{starttime}; | |
439 | ||
440 | if (!$res->{starttime} || !$versions->{starttime} || | |
441 | $res->{starttime} != $versions->{starttime}) { | |
442 | #print "detected changed starttime\n"; | |
443 | $vmlist = {}; | |
444 | $clinfo = {}; | |
445 | $ccache = {}; | |
446 | } | |
447 | ||
448 | $versions = $res; | |
449 | }; | |
450 | my $err = $@; | |
451 | if ($err) { | |
452 | $versions = {}; | |
453 | $vmlist = {}; | |
454 | $clinfo = {}; | |
455 | $ccache = {}; | |
456 | warn $err; | |
457 | } | |
458 | ||
459 | eval { | |
460 | if (!$clinfo->{version} || $clinfo->{version} != $versions->{clinfo}) { | |
461 | #warn "detected new clinfo\n"; | |
462 | $clinfo = &$ipcc_send_rec_json(2); | |
463 | } | |
464 | }; | |
465 | $err = $@; | |
466 | if ($err) { | |
467 | $clinfo = {}; | |
468 | warn $err; | |
469 | } | |
470 | ||
471 | eval { | |
472 | if (!$vmlist->{version} || $vmlist->{version} != $versions->{vmlist}) { | |
473 | #warn "detected new vmlist1\n"; | |
474 | $vmlist = &$ipcc_send_rec_json(3); | |
475 | } | |
476 | }; | |
477 | $err = $@; | |
478 | if ($err) { | |
479 | $vmlist = {}; | |
480 | warn $err; | |
481 | } | |
482 | } | |
483 | ||
484 | sub get_vmlist { | |
485 | return $vmlist; | |
486 | } | |
487 | ||
488 | sub get_clinfo { | |
489 | return $clinfo; | |
490 | } | |
491 | ||
492 | sub get_members { | |
493 | return $clinfo->{nodelist}; | |
494 | } | |
495 | ||
496 | sub get_nodelist { | |
497 | ||
498 | my $nodelist = $clinfo->{nodelist}; | |
499 | ||
500 | my $result = []; | |
501 | ||
502 | my $nodename = PVE::INotify::nodename(); | |
503 | ||
504 | if (!$nodelist || !$nodelist->{$nodename}) { | |
505 | return [ $nodename ]; | |
506 | } | |
507 | ||
508 | return [ keys %$nodelist ]; | |
509 | } | |
510 | ||
511 | sub broadcast_tasklist { | |
512 | my ($data) = @_; | |
513 | ||
514 | eval { | |
515 | &$ipcc_update_status("tasklist", $data); | |
516 | }; | |
517 | ||
518 | warn $@ if $@; | |
519 | } | |
520 | ||
521 | my $tasklistcache = {}; | |
522 | ||
523 | sub get_tasklist { | |
524 | my ($nodename) = @_; | |
525 | ||
526 | my $kvstore = $versions->{kvstore} || {}; | |
527 | ||
528 | my $nodelist = get_nodelist(); | |
529 | ||
530 | my $res = []; | |
531 | foreach my $node (@$nodelist) { | |
532 | next if $nodename && ($nodename ne $node); | |
533 | eval { | |
534 | my $ver = $kvstore->{$node}->{tasklist} if $kvstore->{$node}; | |
535 | my $cd = $tasklistcache->{$node}; | |
536 | if (!$cd || !$ver || !$cd->{version} || | |
537 | ($cd->{version} != $ver)) { | |
538 | my $raw = &$ipcc_get_status("tasklist", $node) || '[]'; | |
539 | my $data = decode_json($raw); | |
540 | push @$res, @$data; | |
541 | $cd = $tasklistcache->{$node} = { | |
542 | data => $data, | |
543 | version => $ver, | |
544 | }; | |
545 | } elsif ($cd && $cd->{data}) { | |
546 | push @$res, @{$cd->{data}}; | |
547 | } | |
548 | }; | |
549 | my $err = $@; | |
550 | syslog('err', $err) if $err; | |
551 | } | |
552 | ||
553 | return $res; | |
554 | } | |
555 | ||
556 | sub broadcast_rrd { | |
557 | my ($rrdid, $data) = @_; | |
558 | ||
559 | eval { | |
560 | &$ipcc_update_status("rrd/$rrdid", $data); | |
561 | }; | |
562 | my $err = $@; | |
563 | ||
564 | warn $err if $err; | |
565 | } | |
566 | ||
567 | my $last_rrd_dump = 0; | |
568 | my $last_rrd_data = ""; | |
569 | ||
570 | sub rrd_dump { | |
571 | ||
572 | my $ctime = time(); | |
573 | ||
574 | my $diff = $ctime - $last_rrd_dump; | |
575 | if ($diff < 2) { | |
576 | return $last_rrd_data; | |
577 | } | |
578 | ||
579 | my $raw; | |
580 | eval { | |
581 | $raw = &$ipcc_send_rec(10); | |
582 | }; | |
583 | my $err = $@; | |
584 | ||
585 | if ($err) { | |
586 | warn $err; | |
587 | return {}; | |
588 | } | |
589 | ||
590 | my $res = {}; | |
591 | ||
592 | while ($raw =~ s/^(.*)\n//) { | |
593 | my ($key, @ela) = split(/:/, $1); | |
594 | next if !$key; | |
595 | next if !(scalar(@ela) > 1); | |
596 | $res->{$key} = \@ela; | |
597 | } | |
598 | ||
599 | $last_rrd_dump = $ctime; | |
600 | $last_rrd_data = $res; | |
601 | ||
602 | return $res; | |
603 | } | |
604 | ||
605 | sub create_rrd_data { | |
606 | my ($rrdname, $timeframe, $cf) = @_; | |
607 | ||
608 | my $rrddir = "/var/lib/rrdcached/db"; | |
609 | ||
610 | my $rrd = "$rrddir/$rrdname"; | |
611 | ||
612 | my $setup = { | |
613 | hour => [ 60, 70 ], | |
614 | day => [ 60*30, 70 ], | |
615 | week => [ 60*180, 70 ], | |
616 | month => [ 60*720, 70 ], | |
617 | year => [ 60*10080, 70 ], | |
618 | }; | |
619 | ||
620 | my ($reso, $count) = @{$setup->{$timeframe}}; | |
621 | my $ctime = $reso*int(time()/$reso); | |
622 | my $req_start = $ctime - $reso*$count; | |
623 | ||
624 | $cf = "AVERAGE" if !$cf; | |
625 | ||
626 | my @args = ( | |
627 | "-s" => $req_start, | |
628 | "-e" => $ctime - 1, | |
629 | "-r" => $reso, | |
630 | ); | |
631 | ||
632 | my $socket = "/var/run/rrdcached.sock"; | |
633 | push @args, "--daemon" => "unix:$socket" if -S $socket; | |
634 | ||
635 | my ($start, $step, $names, $data) = RRDs::fetch($rrd, $cf, @args); | |
636 | ||
637 | my $err = RRDs::error; | |
638 | die "RRD error: $err\n" if $err; | |
639 | ||
640 | die "got wrong time resolution ($step != $reso)\n" | |
641 | if $step != $reso; | |
642 | ||
643 | my $res = []; | |
644 | my $fields = scalar(@$names); | |
645 | for my $line (@$data) { | |
646 | my $entry = { 'time' => $start }; | |
647 | $start += $step; | |
648 | my $found_undefs; | |
649 | for (my $i = 0; $i < $fields; $i++) { | |
650 | my $name = $names->[$i]; | |
651 | if (defined(my $val = $line->[$i])) { | |
652 | $entry->{$name} = $val; | |
653 | } else { | |
654 | # we only add entryies with all data defined | |
655 | # extjs chart has problems with undefined values | |
656 | $found_undefs = 1; | |
657 | } | |
658 | } | |
659 | push @$res, $entry if !$found_undefs; | |
660 | } | |
661 | ||
662 | return $res; | |
663 | } | |
664 | ||
665 | sub create_rrd_graph { | |
666 | my ($rrdname, $timeframe, $ds, $cf) = @_; | |
667 | ||
668 | # Using RRD graph is clumsy - maybe it | |
669 | # is better to simply fetch the data, and do all display | |
670 | # related things with javascript (new extjs html5 graph library). | |
671 | ||
672 | my $rrddir = "/var/lib/rrdcached/db"; | |
673 | ||
674 | my $rrd = "$rrddir/$rrdname"; | |
675 | ||
676 | my @ids = PVE::Tools::split_list($ds); | |
677 | ||
678 | my $ds_txt = join('_', @ids); | |
679 | ||
680 | my $filename = "${rrd}_${ds_txt}.png"; | |
681 | ||
682 | my $setup = { | |
683 | hour => [ 60, 60 ], | |
684 | day => [ 60*30, 70 ], | |
685 | week => [ 60*180, 70 ], | |
686 | month => [ 60*720, 70 ], | |
687 | year => [ 60*10080, 70 ], | |
688 | }; | |
689 | ||
690 | my ($reso, $count) = @{$setup->{$timeframe}}; | |
691 | ||
692 | my @args = ( | |
693 | "--imgformat" => "PNG", | |
694 | "--border" => 0, | |
695 | "--height" => 200, | |
696 | "--width" => 800, | |
697 | "--start" => - $reso*$count, | |
698 | "--end" => 'now' , | |
699 | ); | |
700 | ||
701 | my $socket = "/var/run/rrdcached.sock"; | |
702 | push @args, "--daemon" => "unix:$socket" if -S $socket; | |
703 | ||
704 | my @coldef = ('#00ddff', '#ff0000'); | |
705 | ||
706 | $cf = "AVERAGE" if !$cf; | |
707 | ||
708 | my $i = 0; | |
709 | foreach my $id (@ids) { | |
710 | my $col = $coldef[$i++] || die "fixme: no color definition"; | |
711 | push @args, "DEF:${id}=$rrd:${id}:$cf"; | |
712 | my $dataid = $id; | |
713 | if ($id eq 'cpu' || $id eq 'iowait') { | |
714 | push @args, "CDEF:${id}_per=${id},100,*"; | |
715 | $dataid = "${id}_per"; | |
716 | } | |
717 | push @args, "LINE2:${dataid}${col}:${id}"; | |
718 | } | |
719 | ||
720 | push @args, '--full-size-mode'; | |
721 | ||
722 | # we do not really store data into the file | |
723 | my $res = RRDs::graphv('', @args); | |
724 | ||
725 | my $err = RRDs::error; | |
726 | die "RRD error: $err\n" if $err; | |
727 | ||
728 | return { filename => $filename, image => $res->{image} }; | |
729 | } | |
730 | ||
731 | # a fast way to read files (avoid fuse overhead) | |
732 | sub get_config { | |
733 | my ($path) = @_; | |
734 | ||
735 | return &$ipcc_get_config($path); | |
736 | } | |
737 | ||
738 | sub get_cluster_log { | |
739 | my ($user, $max) = @_; | |
740 | ||
741 | return &$ipcc_get_cluster_log($user, $max); | |
742 | } | |
743 | ||
744 | my $file_info = {}; | |
745 | ||
746 | sub cfs_register_file { | |
747 | my ($filename, $parser, $writer) = @_; | |
748 | ||
749 | $observed->{$filename} || die "unknown file '$filename'"; | |
750 | ||
751 | die "file '$filename' already registered" if $file_info->{$filename}; | |
752 | ||
753 | $file_info->{$filename} = { | |
754 | parser => $parser, | |
755 | writer => $writer, | |
756 | }; | |
757 | } | |
758 | ||
759 | my $ccache_read = sub { | |
760 | my ($filename, $parser, $version) = @_; | |
761 | ||
762 | $ccache->{$filename} = {} if !$ccache->{$filename}; | |
763 | ||
764 | my $ci = $ccache->{$filename}; | |
765 | ||
766 | if (!$ci->{version} || !$version || $ci->{version} != $version) { | |
767 | # we always call the parser, even when the file does not exists | |
768 | # (in that case $data is undef) | |
769 | my $data = get_config($filename); | |
770 | $ci->{data} = &$parser("/etc/pve/$filename", $data); | |
771 | $ci->{version} = $version; | |
772 | } | |
773 | ||
774 | my $res = ref($ci->{data}) ? dclone($ci->{data}) : $ci->{data}; | |
775 | ||
776 | return $res; | |
777 | }; | |
778 | ||
779 | sub cfs_file_version { | |
780 | my ($filename) = @_; | |
781 | ||
782 | my $version; | |
783 | my $infotag; | |
784 | if ($filename =~ m!^nodes/[^/]+/(openvz|qemu-server)/(\d+)\.conf$!) { | |
785 | my ($type, $vmid) = ($1, $2); | |
786 | if ($vmlist && $vmlist->{ids} && $vmlist->{ids}->{$vmid}) { | |
787 | $version = $vmlist->{ids}->{$vmid}->{version}; | |
788 | } | |
789 | $infotag = "/$type/"; | |
790 | } else { | |
791 | $infotag = $filename; | |
792 | $version = $versions->{$filename}; | |
793 | } | |
794 | ||
795 | my $info = $file_info->{$infotag} || | |
796 | die "unknown file type '$filename'\n"; | |
797 | ||
798 | return wantarray ? ($version, $info) : $version; | |
799 | } | |
800 | ||
801 | sub cfs_read_file { | |
802 | my ($filename) = @_; | |
803 | ||
804 | my ($version, $info) = cfs_file_version($filename); | |
805 | my $parser = $info->{parser}; | |
806 | ||
807 | return &$ccache_read($filename, $parser, $version); | |
808 | } | |
809 | ||
810 | sub cfs_write_file { | |
811 | my ($filename, $data) = @_; | |
812 | ||
813 | my ($version, $info) = cfs_file_version($filename); | |
814 | ||
815 | my $writer = $info->{writer} || die "no writer defined"; | |
816 | ||
817 | my $fsname = "/etc/pve/$filename"; | |
818 | ||
819 | my $raw = &$writer($fsname, $data); | |
820 | ||
821 | if (my $ci = $ccache->{$filename}) { | |
822 | $ci->{version} = undef; | |
823 | } | |
824 | ||
825 | PVE::Tools::file_set_contents($fsname, $raw); | |
826 | } | |
827 | ||
828 | my $cfs_lock = sub { | |
829 | my ($lockid, $timeout, $code, @param) = @_; | |
830 | ||
831 | my $res; | |
832 | ||
833 | # this timeout is for aquire the lock | |
834 | $timeout = 10 if !$timeout; | |
835 | ||
836 | my $filename = "$lockdir/$lockid"; | |
837 | ||
838 | my $msg = "can't aquire cfs lock '$lockid'"; | |
839 | ||
840 | eval { | |
841 | ||
842 | mkdir $lockdir; | |
843 | ||
844 | if (! -d $lockdir) { | |
845 | die "$msg: pve cluster filesystem not online.\n"; | |
846 | } | |
847 | ||
848 | local $SIG{ALRM} = sub { die "got lock request timeout\n"; }; | |
849 | ||
850 | alarm ($timeout); | |
851 | ||
852 | if (!(mkdir $filename)) { | |
853 | print STDERR "trying to aquire cfs lock '$lockid' ..."; | |
854 | while (1) { | |
855 | if (!(mkdir $filename)) { | |
856 | (utime 0, 0, $filename); # cfs unlock request | |
857 | } else { | |
858 | print STDERR " OK\n"; | |
859 | last; | |
860 | } | |
861 | sleep(1); | |
862 | } | |
863 | } | |
864 | ||
865 | # fixed command timeout: cfs locks have a timeout of 120 | |
866 | # using 60 gives us another 60 seconds to abort the task | |
867 | alarm(60); | |
868 | local $SIG{ALRM} = sub { die "got lock timeout - aborting command\n"; }; | |
869 | ||
870 | $res = &$code(@param); | |
871 | ||
872 | alarm(0); | |
873 | }; | |
874 | ||
875 | my $err = $@; | |
876 | ||
877 | alarm(0); | |
878 | ||
879 | if ($err && ($err eq "got lock request timeout\n") && | |
880 | !check_cfs_quorum()){ | |
881 | $err = "$msg: no quorum!\n"; | |
882 | } | |
883 | ||
884 | if (!$err || $err !~ /^got lock timeout -/) { | |
885 | rmdir $filename; # cfs unlock | |
886 | } | |
887 | ||
888 | if ($err) { | |
889 | $@ = $err; | |
890 | return undef; | |
891 | } | |
892 | ||
893 | $@ = undef; | |
894 | ||
895 | return $res; | |
896 | }; | |
897 | ||
898 | sub cfs_lock_file { | |
899 | my ($filename, $timeout, $code, @param) = @_; | |
900 | ||
901 | my $info = $observed->{$filename} || die "unknown file '$filename'"; | |
902 | ||
903 | my $lockid = "file-$filename"; | |
904 | $lockid =~ s/[.\/]/_/g; | |
905 | ||
906 | &$cfs_lock($lockid, $timeout, $code, @param); | |
907 | } | |
908 | ||
909 | sub cfs_lock_storage { | |
910 | my ($storeid, $timeout, $code, @param) = @_; | |
911 | ||
912 | my $lockid = "storage-$storeid"; | |
913 | ||
914 | &$cfs_lock($lockid, $timeout, $code, @param); | |
915 | } | |
916 | ||
917 | my $log_levels = { | |
918 | "emerg" => 0, | |
919 | "alert" => 1, | |
920 | "crit" => 2, | |
921 | "critical" => 2, | |
922 | "err" => 3, | |
923 | "error" => 3, | |
924 | "warn" => 4, | |
925 | "warning" => 4, | |
926 | "notice" => 5, | |
927 | "info" => 6, | |
928 | "debug" => 7, | |
929 | }; | |
930 | ||
931 | sub log_msg { | |
932 | my ($priority, $ident, $msg) = @_; | |
933 | ||
934 | if (my $tmp = $log_levels->{$priority}) { | |
935 | $priority = $tmp; | |
936 | } | |
937 | ||
938 | die "need numeric log priority" if $priority !~ /^\d+$/; | |
939 | ||
940 | my $tag = PVE::SafeSyslog::tag(); | |
941 | ||
942 | $msg = "empty message" if !$msg; | |
943 | ||
944 | $ident = "" if !$ident; | |
945 | $ident = encode("ascii", decode_utf8($ident), | |
946 | sub { sprintf "\\u%04x", shift }); | |
947 | ||
948 | my $utf8 = decode_utf8($msg); | |
949 | ||
950 | my $ascii = encode("ascii", $utf8, sub { sprintf "\\u%04x", shift }); | |
951 | ||
952 | if ($ident) { | |
953 | syslog($priority, "<%s> %s", $ident, $ascii); | |
954 | } else { | |
955 | syslog($priority, "%s", $ascii); | |
956 | } | |
957 | ||
958 | eval { &$ipcc_log($priority, $ident, $tag, $ascii); }; | |
959 | ||
960 | syslog("err", "writing cluster log failed: $@") if $@; | |
961 | } | |
962 | ||
963 | sub check_node_exists { | |
964 | my ($nodename, $noerr) = @_; | |
965 | ||
966 | my $nodelist = $clinfo->{nodelist}; | |
967 | return 1 if $nodelist && $nodelist->{$nodename}; | |
968 | ||
969 | return undef if $noerr; | |
970 | ||
971 | die "no such cluster node '$nodename'\n"; | |
972 | } | |
973 | ||
974 | # this is also used to get the IP of the local node | |
975 | sub remote_node_ip { | |
976 | my ($nodename, $noerr) = @_; | |
977 | ||
978 | my $nodelist = $clinfo->{nodelist}; | |
979 | if ($nodelist && $nodelist->{$nodename}) { | |
980 | if (my $ip = $nodelist->{$nodename}->{ip}) { | |
981 | return $ip; | |
982 | } | |
983 | } | |
984 | ||
985 | # fallback: try to get IP by other means | |
986 | my $packed_ip = gethostbyname($nodename); | |
987 | if (defined $packed_ip) { | |
988 | my $ip = inet_ntoa($packed_ip); | |
989 | ||
990 | if ($ip =~ m/^127\./) { | |
991 | die "hostname lookup failed - got local IP address ($nodename = $ip)\n" if !$noerr; | |
992 | return undef; | |
993 | } | |
994 | ||
995 | return $ip; | |
996 | } | |
997 | ||
998 | die "unable to get IP for node '$nodename' - node offline?\n" if !$noerr; | |
999 | ||
1000 | return undef; | |
1001 | } | |
1002 | ||
1003 | # ssh related utility functions | |
1004 | ||
1005 | sub ssh_merge_keys { | |
1006 | # remove duplicate keys in $sshauthkeys | |
1007 | # ssh-copy-id simply add keys, so the file can grow to large | |
1008 | ||
1009 | my $data = ''; | |
1010 | if (-f $sshauthkeys) { | |
1011 | $data = PVE::Tools::file_get_contents($sshauthkeys, 128*1024); | |
1012 | chomp($data); | |
1013 | } | |
1014 | ||
1015 | my $found_backup; | |
1016 | if (-f $rootsshauthkeysbackup) { | |
1017 | $data .= "\n"; | |
1018 | $data .= PVE::Tools::file_get_contents($rootsshauthkeysbackup, 128*1024); | |
1019 | chomp($data); | |
1020 | $found_backup = 1; | |
1021 | } | |
1022 | ||
1023 | # always add ourself | |
1024 | if (-f $ssh_rsa_id) { | |
1025 | my $pub = PVE::Tools::file_get_contents($ssh_rsa_id); | |
1026 | chomp($pub); | |
1027 | $data .= "\n$pub\n"; | |
1028 | } | |
1029 | ||
1030 | my $newdata = ""; | |
1031 | my $vhash = {}; | |
1032 | my @lines = split(/\n/, $data); | |
1033 | foreach my $line (@lines) { | |
1034 | if ($line !~ /^#/ && $line =~ m/(^|\s)ssh-(rsa|dsa)\s+(\S+)\s+\S+$/) { | |
1035 | next if $vhash->{$3}++; | |
1036 | } | |
1037 | $newdata .= "$line\n"; | |
1038 | } | |
1039 | ||
1040 | PVE::Tools::file_set_contents($sshauthkeys, $newdata, 0600); | |
1041 | ||
1042 | if ($found_backup && -l $rootsshauthkeys) { | |
1043 | # everything went well, so we can remove the backup | |
1044 | unlink $rootsshauthkeysbackup; | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | sub setup_rootsshconfig { | |
1049 | ||
1050 | # create ssh key if it does not exist | |
1051 | if (! -f $ssh_rsa_id) { | |
1052 | mkdir '/root/.ssh/'; | |
1053 | system ("echo|ssh-keygen -t rsa -N '' -b 2048 -f ${ssh_rsa_id_priv}"); | |
1054 | } | |
1055 | ||
1056 | # create ssh config if it does not exist | |
1057 | if (! -f $rootsshconfig) { | |
1058 | mkdir '/root/.ssh'; | |
1059 | if (my $fh = IO::File->new($rootsshconfig, O_CREAT|O_WRONLY|O_EXCL, 0640)) { | |
1060 | # this is the default ciphers list from debian openssl0.9.8 except blowfish is added as prefered | |
1061 | print $fh "Ciphers blowfish-cbc,aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc\n"; | |
1062 | close($fh); | |
1063 | } | |
1064 | } | |
1065 | } | |
1066 | ||
1067 | sub setup_ssh_keys { | |
1068 | ||
1069 | mkdir $authdir; | |
1070 | ||
1071 | my $import_ok; | |
1072 | ||
1073 | if (! -f $sshauthkeys) { | |
1074 | my $old; | |
1075 | if (-f $rootsshauthkeys) { | |
1076 | $old = PVE::Tools::file_get_contents($rootsshauthkeys, 128*1024); | |
1077 | } | |
1078 | if (my $fh = IO::File->new ($sshauthkeys, O_CREAT|O_WRONLY|O_EXCL, 0400)) { | |
1079 | PVE::Tools::safe_print($sshauthkeys, $fh, $old) if $old; | |
1080 | close($fh); | |
1081 | $import_ok = 1; | |
1082 | } | |
1083 | } | |
1084 | ||
1085 | warn "can't create shared ssh key database '$sshauthkeys'\n" | |
1086 | if ! -f $sshauthkeys; | |
1087 | ||
1088 | if (-f $rootsshauthkeys && ! -l $rootsshauthkeys) { | |
1089 | if (!rename($rootsshauthkeys , $rootsshauthkeysbackup)) { | |
1090 | warn "rename $rootsshauthkeys failed - $!\n"; | |
1091 | } | |
1092 | } | |
1093 | ||
1094 | if (! -l $rootsshauthkeys) { | |
1095 | symlink $sshauthkeys, $rootsshauthkeys; | |
1096 | } | |
1097 | ||
1098 | if (! -l $rootsshauthkeys) { | |
1099 | warn "can't create symlink for ssh keys '$rootsshauthkeys' -> '$sshauthkeys'\n"; | |
1100 | } else { | |
1101 | unlink $rootsshauthkeysbackup if $import_ok; | |
1102 | } | |
1103 | } | |
1104 | ||
1105 | sub ssh_unmerge_known_hosts { | |
1106 | return if ! -l $sshglobalknownhosts; | |
1107 | ||
1108 | my $old = ''; | |
1109 | $old = PVE::Tools::file_get_contents($sshknownhosts, 128*1024) | |
1110 | if -f $sshknownhosts; | |
1111 | ||
1112 | PVE::Tools::file_set_contents($sshglobalknownhosts, $old); | |
1113 | } | |
1114 | ||
1115 | sub ssh_merge_known_hosts { | |
1116 | my ($nodename, $ip_address, $createLink) = @_; | |
1117 | ||
1118 | die "no node name specified" if !$nodename; | |
1119 | die "no ip address specified" if !$ip_address; | |
1120 | ||
1121 | mkdir $authdir; | |
1122 | ||
1123 | if (! -f $sshknownhosts) { | |
1124 | if (my $fh = IO::File->new($sshknownhosts, O_CREAT|O_WRONLY|O_EXCL, 0600)) { | |
1125 | close($fh); | |
1126 | } | |
1127 | } | |
1128 | ||
1129 | my $old = PVE::Tools::file_get_contents($sshknownhosts, 128*1024); | |
1130 | ||
1131 | my $new = ''; | |
1132 | ||
1133 | if ((! -l $sshglobalknownhosts) && (-f $sshglobalknownhosts)) { | |
1134 | $new = PVE::Tools::file_get_contents($sshglobalknownhosts, 128*1024); | |
1135 | } | |
1136 | ||
1137 | my $hostkey = PVE::Tools::file_get_contents($ssh_host_rsa_id); | |
1138 | die "can't parse $ssh_rsa_id" if $hostkey !~ m/^(ssh-rsa\s\S+)(\s.*)?$/; | |
1139 | $hostkey = $1; | |
1140 | ||
1141 | my $data = ''; | |
1142 | my $vhash = {}; | |
1143 | ||
1144 | my $found_nodename; | |
1145 | my $found_local_ip; | |
1146 | ||
1147 | my $merge_line = sub { | |
1148 | my ($line, $all) = @_; | |
1149 | ||
1150 | if ($line =~ m/^(\S+)\s(ssh-rsa\s\S+)(\s.*)?$/) { | |
1151 | my $key = $1; | |
1152 | my $rsakey = $2; | |
1153 | if (!$vhash->{$key}) { | |
1154 | $vhash->{$key} = 1; | |
1155 | if ($key =~ m/\|1\|([^\|\s]+)\|([^\|\s]+)$/) { | |
1156 | my $salt = decode_base64($1); | |
1157 | my $digest = $2; | |
1158 | my $hmac = Digest::HMAC_SHA1->new($salt); | |
1159 | $hmac->add($nodename); | |
1160 | my $hd = $hmac->b64digest . '='; | |
1161 | if ($digest eq $hd) { | |
1162 | if ($rsakey eq $hostkey) { | |
1163 | $found_nodename = 1; | |
1164 | $data .= $line; | |
1165 | } | |
1166 | return; | |
1167 | } | |
1168 | $hmac = Digest::HMAC_SHA1->new($salt); | |
1169 | $hmac->add($ip_address); | |
1170 | $hd = $hmac->b64digest . '='; | |
1171 | if ($digest eq $hd) { | |
1172 | if ($rsakey eq $hostkey) { | |
1173 | $found_local_ip = 1; | |
1174 | $data .= $line; | |
1175 | } | |
1176 | return; | |
1177 | } | |
1178 | } | |
1179 | $data .= $line; | |
1180 | } | |
1181 | } elsif ($all) { | |
1182 | $data .= $line; | |
1183 | } | |
1184 | }; | |
1185 | ||
1186 | while ($old && $old =~ s/^((.*?)(\n|$))//) { | |
1187 | my $line = "$2\n"; | |
1188 | next if $line =~ m/^\s*$/; # skip empty lines | |
1189 | next if $line =~ m/^#/; # skip comments | |
1190 | &$merge_line($line, 1); | |
1191 | } | |
1192 | ||
1193 | while ($new && $new =~ s/^((.*?)(\n|$))//) { | |
1194 | my $line = "$2\n"; | |
1195 | next if $line =~ m/^\s*$/; # skip empty lines | |
1196 | next if $line =~ m/^#/; # skip comments | |
1197 | &$merge_line($line); | |
1198 | } | |
1199 | ||
1200 | my $addIndex = $$; | |
1201 | my $add_known_hosts_entry = sub { | |
1202 | my ($name, $hostkey) = @_; | |
1203 | $addIndex++; | |
1204 | my $hmac = Digest::HMAC_SHA1->new("$addIndex" . time()); | |
1205 | my $b64salt = $hmac->b64digest . '='; | |
1206 | $hmac = Digest::HMAC_SHA1->new(decode_base64($b64salt)); | |
1207 | $hmac->add($name); | |
1208 | my $digest = $hmac->b64digest . '='; | |
1209 | $data .= "|1|$b64salt|$digest $hostkey\n"; | |
1210 | }; | |
1211 | ||
1212 | if (!$found_nodename || !$found_local_ip) { | |
1213 | &$add_known_hosts_entry($nodename, $hostkey) if !$found_nodename; | |
1214 | &$add_known_hosts_entry($ip_address, $hostkey) if !$found_local_ip; | |
1215 | } | |
1216 | ||
1217 | PVE::Tools::file_set_contents($sshknownhosts, $data); | |
1218 | ||
1219 | return if !$createLink; | |
1220 | ||
1221 | unlink $sshglobalknownhosts; | |
1222 | symlink $sshknownhosts, $sshglobalknownhosts; | |
1223 | ||
1224 | warn "can't create symlink for ssh known hosts '$sshglobalknownhosts' -> '$sshknownhosts'\n" | |
1225 | if ! -l $sshglobalknownhosts; | |
1226 | ||
1227 | } | |
1228 | ||
1229 | my $datacenter_schema = { | |
1230 | type => "object", | |
1231 | additionalProperties => 0, | |
1232 | properties => { | |
1233 | keyboard => { | |
1234 | optional => 1, | |
1235 | type => 'string', | |
1236 | description => "Default keybord layout for vnc server.", | |
1237 | enum => PVE::Tools::kvmkeymaplist(), | |
1238 | }, | |
1239 | language => { | |
1240 | optional => 1, | |
1241 | type => 'string', | |
1242 | description => "Default GUI language.", | |
1243 | enum => [ 'en', 'de' ], | |
1244 | }, | |
1245 | http_proxy => { | |
1246 | optional => 1, | |
1247 | type => 'string', | |
1248 | description => "Specify external http proxy which is used for downloads (example: 'http://username:password\@host:port/')", | |
1249 | pattern => "http://.*", | |
1250 | }, | |
1251 | migration_unsecure => { | |
1252 | optional => 1, | |
1253 | type => 'boolean', | |
1254 | description => "Migration is secure using SSH tunnel by default. For secure private networks you can disable it to speed up migration.", | |
1255 | }, | |
1256 | }, | |
1257 | }; | |
1258 | ||
1259 | # make schema accessible from outside (for documentation) | |
1260 | sub get_datacenter_schema { return $datacenter_schema }; | |
1261 | ||
1262 | sub parse_datacenter_config { | |
1263 | my ($filename, $raw) = @_; | |
1264 | ||
1265 | return PVE::JSONSchema::parse_config($datacenter_schema, $filename, $raw); | |
1266 | } | |
1267 | ||
1268 | sub write_datacenter_config { | |
1269 | my ($filename, $cfg) = @_; | |
1270 | ||
1271 | return PVE::JSONSchema::dump_config($datacenter_schema, $filename, $cfg); | |
1272 | } | |
1273 | ||
1274 | cfs_register_file('datacenter.cfg', | |
1275 | \&parse_datacenter_config, | |
1276 | \&write_datacenter_config); | |
1277 | ||
1278 | sub parse_cluster_conf { | |
1279 | my ($filename, $raw) = @_; | |
1280 | ||
1281 | my $conf = {}; | |
1282 | ||
1283 | my $digest = Digest::SHA::sha1_hex(defined($raw) ? $raw : ''); | |
1284 | ||
1285 | my $createNode = sub { | |
1286 | my ($expat, $tag, %attrib) = @_; | |
1287 | $expat->{NodeCount}++; | |
1288 | return { text => $tag, id => $expat->{NodeCount}, %attrib }; | |
1289 | }; | |
1290 | ||
1291 | my $handlers = { | |
1292 | Init => sub { | |
1293 | my $expat = shift; | |
1294 | $expat->{NodeCount} = 0; | |
1295 | $expat->{NodeStack} = []; | |
1296 | $expat->{CurNode} = $expat->{Tree} = &$createNode($expat, 'root'); | |
1297 | }, | |
1298 | Final => sub { | |
1299 | my $expat = shift; | |
1300 | delete $expat->{CurNode}; | |
1301 | delete $expat->{NodeStack}; | |
1302 | $expat->{Tree}; | |
1303 | }, | |
1304 | Start => sub { | |
1305 | my $expat = shift; | |
1306 | my $tag = shift; | |
1307 | my $parent = $expat->{CurNode}; | |
1308 | push @{ $expat->{NodeStack} }, $parent; | |
1309 | my $node = &$createNode($expat, $tag, @_); | |
1310 | push @{$expat->{CurNode}->{children}}, $node; | |
1311 | $expat->{CurNode} = $node; | |
1312 | }, | |
1313 | End => sub { | |
1314 | my $expat = shift; | |
1315 | my $tag = shift; | |
1316 | my $node = pop @{ $expat->{NodeStack} }; | |
1317 | $expat->{CurNode} = $node; | |
1318 | }, | |
1319 | }; | |
1320 | ||
1321 | if ($raw) { | |
1322 | my $parser = new XML::Parser(Handlers => $handlers); | |
1323 | $conf = $parser->parse($raw); | |
1324 | } | |
1325 | ||
1326 | $conf->{digest} = $digest; | |
1327 | ||
1328 | return $conf; | |
1329 | } | |
1330 | ||
1331 | sub cluster_conf_version { | |
1332 | my ($conf, $noerr) = @_; | |
1333 | ||
1334 | if ($conf && $conf->{children} && $conf->{children}->[0]) { | |
1335 | my $cluster = $conf->{children}->[0]; | |
1336 | if ($cluster && ($cluster->{text} eq 'cluster') && | |
1337 | $cluster->{config_version}) { | |
1338 | if (my $version = int($cluster->{config_version})) { | |
1339 | return wantarray ? ($version, $cluster) : $version; | |
1340 | } | |
1341 | } | |
1342 | } | |
1343 | ||
1344 | return undef if $noerr; | |
1345 | ||
1346 | die "no cluster config - unable to read version\n"; | |
1347 | } | |
1348 | ||
1349 | sub cluster_conf_lookup_cluster_section { | |
1350 | my ($conf, $noerr) = @_; | |
1351 | ||
1352 | my ($version, $cluster) = cluster_conf_version($conf, $noerr); | |
1353 | ||
1354 | return $cluster; | |
1355 | } | |
1356 | ||
1357 | sub cluster_conf_lookup_rm_section { | |
1358 | my ($conf, $create, $noerr) = @_; | |
1359 | ||
1360 | my $cluster = cluster_conf_lookup_cluster_section($conf, $noerr); | |
1361 | return undef if !$cluster; | |
1362 | ||
1363 | my $rmsec; | |
1364 | foreach my $child (@{$cluster->{children}}) { | |
1365 | if ($child->{text} eq 'rm') { | |
1366 | $rmsec = $child; | |
1367 | } | |
1368 | } | |
1369 | if (!$rmsec) { | |
1370 | if (!$create) { | |
1371 | return undef if $noerr; | |
1372 | die "no resource manager section\n"; | |
1373 | } | |
1374 | $rmsec = { text => 'rm' }; | |
1375 | push @{$cluster->{children}}, $rmsec; | |
1376 | } | |
1377 | ||
1378 | return $rmsec; | |
1379 | } | |
1380 | ||
1381 | sub cluster_conf_lookup_pvevm { | |
1382 | my ($conf, $create, $vmid, $noerr) = @_; | |
1383 | ||
1384 | my $rmsec = cluster_conf_lookup_rm_section($conf, $create, $noerr); | |
1385 | return undef if !$rmsec; | |
1386 | ||
1387 | my $vmref; | |
1388 | foreach my $child (@{$rmsec->{children}}) { | |
1389 | if ($child->{text} eq 'pvevm' && $child->{vmid} eq $vmid) { | |
1390 | $vmref = $child; | |
1391 | } | |
1392 | } | |
1393 | ||
1394 | if (!$vmref) { | |
1395 | if (!$create) { | |
1396 | return undef if $noerr; | |
1397 | die "unable to find service 'pvevm:$vmid'\n"; | |
1398 | } | |
1399 | $vmref = { text => 'pvevm', vmid => $vmid }; | |
1400 | push @{$rmsec->{children}}, $vmref; | |
1401 | } elsif ($create) { | |
1402 | return undef if $noerr; | |
1403 | die "unable to create service 'pvevm:$vmid' - already exists\n"; | |
1404 | } | |
1405 | ||
1406 | return $vmref; | |
1407 | } | |
1408 | ||
1409 | sub xml_escape_attrib { | |
1410 | my ($data) = @_; | |
1411 | ||
1412 | return '' if !defined($data); | |
1413 | ||
1414 | $data =~ s/&/&/sg; | |
1415 | $data =~ s/</</sg; | |
1416 | $data =~ s/>/>/sg; | |
1417 | $data =~ s/"/"/sg; | |
1418 | ||
1419 | return $data; | |
1420 | } | |
1421 | ||
1422 | sub __cluster_conf_dump_node { | |
1423 | my ($node, $indend) = @_; | |
1424 | ||
1425 | my $xml = ''; | |
1426 | ||
1427 | $indend = '' if !defined($indend); | |
1428 | ||
1429 | my $attribs = ''; | |
1430 | ||
1431 | foreach my $key (sort keys %$node) { | |
1432 | my $value = $node->{$key}; | |
1433 | next if $key eq 'id' || $key eq 'text' || $key eq 'children'; | |
1434 | $attribs .= " $key=\"" . xml_escape_attrib($value) . "\""; | |
1435 | } | |
1436 | ||
1437 | my $children = $node->{children}; | |
1438 | ||
1439 | if ($children && scalar(@$children)) { | |
1440 | $xml .= "$indend<$node->{text}$attribs>\n"; | |
1441 | my $childindend = "$indend "; | |
1442 | foreach my $child (@$children) { | |
1443 | $xml .= __cluster_conf_dump_node($child, $childindend); | |
1444 | } | |
1445 | $xml .= "$indend</$node->{text}>\n"; | |
1446 | } else { | |
1447 | $xml .= "$indend<$node->{text}$attribs/>\n"; | |
1448 | } | |
1449 | ||
1450 | return $xml; | |
1451 | } | |
1452 | ||
1453 | sub write_cluster_conf { | |
1454 | my ($filename, $cfg) = @_; | |
1455 | ||
1456 | my $version = cluster_conf_version($cfg); | |
1457 | ||
1458 | my $res = "<?xml version=\"1.0\"?>\n"; | |
1459 | ||
1460 | $res .= __cluster_conf_dump_node($cfg->{children}->[0]); | |
1461 | ||
1462 | return $res; | |
1463 | } | |
1464 | ||
1465 | # read only - use "rename cluster.conf.new cluster.conf" to write | |
1466 | PVE::Cluster::cfs_register_file('cluster.conf', \&parse_cluster_conf); | |
1467 | # this is read/write | |
1468 | PVE::Cluster::cfs_register_file('cluster.conf.new', \&parse_cluster_conf, | |
1469 | \&write_cluster_conf); |