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1 | package PVE::Cluster; | |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | use POSIX qw(EEXIST); | |
6 | use File::stat qw(); | |
7 | use Socket; | |
8 | use Storable qw(dclone); | |
9 | use IO::File; | |
10 | use MIME::Base64; | |
11 | use XML::Parser; | |
12 | use Digest::SHA; | |
13 | use Digest::HMAC_SHA1; | |
14 | use PVE::Tools; | |
15 | use PVE::INotify; | |
16 | use PVE::IPCC; | |
17 | use PVE::SafeSyslog; | |
18 | use PVE::JSONSchema; | |
19 | use JSON; | |
20 | use RRDs; | |
21 | use Encode; | |
22 | use base 'Exporter'; | |
23 | ||
24 | our @EXPORT_OK = qw( | |
25 | cfs_read_file | |
26 | cfs_write_file | |
27 | cfs_register_file | |
28 | cfs_lock_file); | |
29 | ||
30 | use Data::Dumper; # fixme: remove | |
31 | ||
32 | # x509 certificate utils | |
33 | ||
34 | my $basedir = "/etc/pve"; | |
35 | my $authdir = "$basedir/priv"; | |
36 | my $lockdir = "/etc/pve/priv/lock"; | |
37 | ||
38 | my $authprivkeyfn = "$authdir/authkey.key"; | |
39 | my $authpubkeyfn = "$basedir/authkey.pub"; | |
40 | my $pveca_key_fn = "$authdir/pve-root-ca.key"; | |
41 | my $pveca_srl_fn = "$authdir/pve-root-ca.srl"; | |
42 | my $pveca_cert_fn = "$basedir/pve-root-ca.pem"; | |
43 | # this is just a secret accessable by the web browser | |
44 | # and is used for CSRF prevention | |
45 | my $pvewww_key_fn = "$basedir/pve-www.key"; | |
46 | ||
47 | # ssh related files | |
48 | my $ssh_rsa_id_priv = "/root/.ssh/id_rsa"; | |
49 | my $ssh_rsa_id = "/root/.ssh/id_rsa.pub"; | |
50 | my $ssh_host_rsa_id = "/etc/ssh/ssh_host_rsa_key.pub"; | |
51 | my $sshglobalknownhosts = "/etc/ssh/ssh_known_hosts"; | |
52 | my $sshknownhosts = "/etc/pve/priv/known_hosts"; | |
53 | my $sshauthkeys = "/etc/pve/priv/authorized_keys"; | |
54 | my $sshd_config_fn = "/etc/ssh/sshd_config"; | |
55 | my $rootsshauthkeys = "/root/.ssh/authorized_keys"; | |
56 | my $rootsshauthkeysbackup = "${rootsshauthkeys}.org"; | |
57 | my $rootsshconfig = "/root/.ssh/config"; | |
58 | ||
59 | my $observed = { | |
60 | 'vzdump.cron' => 1, | |
61 | 'storage.cfg' => 1, | |
62 | 'datacenter.cfg' => 1, | |
63 | 'corosync.conf' => 1, | |
64 | 'corosync.conf.new' => 1, | |
65 | 'user.cfg' => 1, | |
66 | 'domains.cfg' => 1, | |
67 | 'priv/shadow.cfg' => 1, | |
68 | '/qemu-server/' => 1, | |
69 | '/openvz/' => 1, | |
70 | '/lxc/' => 1, | |
71 | 'ha/crm_commands' => 1, | |
72 | 'ha/manager_status' => 1, | |
73 | 'ha/resources.cfg' => 1, | |
74 | 'ha/groups.cfg' => 1, | |
75 | 'status.cfg' => 1, | |
76 | }; | |
77 | ||
78 | # only write output if something fails | |
79 | sub run_silent_cmd { | |
80 | my ($cmd) = @_; | |
81 | ||
82 | my $outbuf = ''; | |
83 | ||
84 | my $record_output = sub { | |
85 | $outbuf .= shift; | |
86 | $outbuf .= "\n"; | |
87 | }; | |
88 | ||
89 | eval { | |
90 | PVE::Tools::run_command($cmd, outfunc => $record_output, | |
91 | errfunc => $record_output); | |
92 | }; | |
93 | ||
94 | my $err = $@; | |
95 | ||
96 | if ($err) { | |
97 | print STDERR $outbuf; | |
98 | die $err; | |
99 | } | |
100 | } | |
101 | ||
102 | sub check_cfs_quorum { | |
103 | my ($noerr) = @_; | |
104 | ||
105 | # note: -w filename always return 1 for root, so wee need | |
106 | # to use File::lstat here | |
107 | my $st = File::stat::lstat("$basedir/local"); | |
108 | my $quorate = ($st && (($st->mode & 0200) != 0)); | |
109 | ||
110 | die "cluster not ready - no quorum?\n" if !$quorate && !$noerr; | |
111 | ||
112 | return $quorate; | |
113 | } | |
114 | ||
115 | sub check_cfs_is_mounted { | |
116 | my ($noerr) = @_; | |
117 | ||
118 | my $res = -l "$basedir/local"; | |
119 | ||
120 | die "pve configuration filesystem not mounted\n" | |
121 | if !$res && !$noerr; | |
122 | ||
123 | return $res; | |
124 | } | |
125 | ||
126 | sub gen_local_dirs { | |
127 | my ($nodename) = @_; | |
128 | ||
129 | check_cfs_is_mounted(); | |
130 | ||
131 | my @required_dirs = ( | |
132 | "$basedir/priv", | |
133 | "$basedir/nodes", | |
134 | "$basedir/nodes/$nodename", | |
135 | "$basedir/nodes/$nodename/lxc", | |
136 | "$basedir/nodes/$nodename/qemu-server", | |
137 | "$basedir/nodes/$nodename/openvz", | |
138 | "$basedir/nodes/$nodename/priv"); | |
139 | ||
140 | foreach my $dir (@required_dirs) { | |
141 | if (! -d $dir) { | |
142 | mkdir($dir) || $! == EEXIST || die "unable to create directory '$dir' - $!\n"; | |
143 | } | |
144 | } | |
145 | } | |
146 | ||
147 | sub gen_auth_key { | |
148 | ||
149 | return if -f "$authprivkeyfn"; | |
150 | ||
151 | check_cfs_is_mounted(); | |
152 | ||
153 | mkdir $authdir || $! == EEXIST || die "unable to create dir '$authdir' - $!\n"; | |
154 | ||
155 | my $cmd = "openssl genrsa -out '$authprivkeyfn' 2048"; | |
156 | run_silent_cmd($cmd); | |
157 | ||
158 | $cmd = "openssl rsa -in '$authprivkeyfn' -pubout -out '$authpubkeyfn'"; | |
159 | run_silent_cmd($cmd) | |
160 | } | |
161 | ||
162 | sub gen_pveca_key { | |
163 | ||
164 | return if -f $pveca_key_fn; | |
165 | ||
166 | eval { | |
167 | run_silent_cmd(['openssl', 'genrsa', '-out', $pveca_key_fn, '2048']); | |
168 | }; | |
169 | ||
170 | die "unable to generate pve ca key:\n$@" if $@; | |
171 | } | |
172 | ||
173 | sub gen_pveca_cert { | |
174 | ||
175 | if (-f $pveca_key_fn && -f $pveca_cert_fn) { | |
176 | return 0; | |
177 | } | |
178 | ||
179 | gen_pveca_key(); | |
180 | ||
181 | # we try to generate an unique 'subject' to avoid browser problems | |
182 | # (reused serial numbers, ..) | |
183 | my $nid = (split (/\s/, `md5sum '$pveca_key_fn'`))[0] || time(); | |
184 | ||
185 | eval { | |
186 | run_silent_cmd(['openssl', 'req', '-batch', '-days', '3650', '-new', | |
187 | '-x509', '-nodes', '-key', | |
188 | $pveca_key_fn, '-out', $pveca_cert_fn, '-subj', | |
189 | "/CN=Proxmox Virtual Environment/OU=$nid/O=PVE Cluster Manager CA/"]); | |
190 | }; | |
191 | ||
192 | die "generating pve root certificate failed:\n$@" if $@; | |
193 | ||
194 | return 1; | |
195 | } | |
196 | ||
197 | sub gen_pve_ssl_key { | |
198 | my ($nodename) = @_; | |
199 | ||
200 | die "no node name specified" if !$nodename; | |
201 | ||
202 | my $pvessl_key_fn = "$basedir/nodes/$nodename/pve-ssl.key"; | |
203 | ||
204 | return if -f $pvessl_key_fn; | |
205 | ||
206 | eval { | |
207 | run_silent_cmd(['openssl', 'genrsa', '-out', $pvessl_key_fn, '2048']); | |
208 | }; | |
209 | ||
210 | die "unable to generate pve ssl key for node '$nodename':\n$@" if $@; | |
211 | } | |
212 | ||
213 | sub gen_pve_www_key { | |
214 | ||
215 | return if -f $pvewww_key_fn; | |
216 | ||
217 | eval { | |
218 | run_silent_cmd(['openssl', 'genrsa', '-out', $pvewww_key_fn, '2048']); | |
219 | }; | |
220 | ||
221 | die "unable to generate pve www key:\n$@" if $@; | |
222 | } | |
223 | ||
224 | sub update_serial { | |
225 | my ($serial) = @_; | |
226 | ||
227 | PVE::Tools::file_set_contents($pveca_srl_fn, $serial); | |
228 | } | |
229 | ||
230 | sub gen_pve_ssl_cert { | |
231 | my ($force, $nodename, $ip) = @_; | |
232 | ||
233 | die "no node name specified" if !$nodename; | |
234 | die "no IP specified" if !$ip; | |
235 | ||
236 | my $pvessl_cert_fn = "$basedir/nodes/$nodename/pve-ssl.pem"; | |
237 | ||
238 | return if !$force && -f $pvessl_cert_fn; | |
239 | ||
240 | my $names = "IP:127.0.0.1,IP:::1,DNS:localhost"; | |
241 | ||
242 | my $rc = PVE::INotify::read_file('resolvconf'); | |
243 | ||
244 | $names .= ",IP:$ip"; | |
245 | ||
246 | my $fqdn = $nodename; | |
247 | ||
248 | $names .= ",DNS:$nodename"; | |
249 | ||
250 | if ($rc && $rc->{search}) { | |
251 | $fqdn = $nodename . "." . $rc->{search}; | |
252 | $names .= ",DNS:$fqdn"; | |
253 | } | |
254 | ||
255 | my $sslconf = <<__EOD; | |
256 | RANDFILE = /root/.rnd | |
257 | extensions = v3_req | |
258 | ||
259 | [ req ] | |
260 | default_bits = 2048 | |
261 | distinguished_name = req_distinguished_name | |
262 | req_extensions = v3_req | |
263 | prompt = no | |
264 | string_mask = nombstr | |
265 | ||
266 | [ req_distinguished_name ] | |
267 | organizationalUnitName = PVE Cluster Node | |
268 | organizationName = Proxmox Virtual Environment | |
269 | commonName = $fqdn | |
270 | ||
271 | [ v3_req ] | |
272 | basicConstraints = CA:FALSE | |
273 | nsCertType = server | |
274 | keyUsage = nonRepudiation, digitalSignature, keyEncipherment | |
275 | subjectAltName = $names | |
276 | __EOD | |
277 | ||
278 | my $cfgfn = "/tmp/pvesslconf-$$.tmp"; | |
279 | my $fh = IO::File->new ($cfgfn, "w"); | |
280 | print $fh $sslconf; | |
281 | close ($fh); | |
282 | ||
283 | my $reqfn = "/tmp/pvecertreq-$$.tmp"; | |
284 | unlink $reqfn; | |
285 | ||
286 | my $pvessl_key_fn = "$basedir/nodes/$nodename/pve-ssl.key"; | |
287 | eval { | |
288 | run_silent_cmd(['openssl', 'req', '-batch', '-new', '-config', $cfgfn, | |
289 | '-key', $pvessl_key_fn, '-out', $reqfn]); | |
290 | }; | |
291 | ||
292 | if (my $err = $@) { | |
293 | unlink $reqfn; | |
294 | unlink $cfgfn; | |
295 | die "unable to generate pve certificate request:\n$err"; | |
296 | } | |
297 | ||
298 | update_serial("0000000000000000") if ! -f $pveca_srl_fn; | |
299 | ||
300 | eval { | |
301 | run_silent_cmd(['openssl', 'x509', '-req', '-in', $reqfn, '-days', '3650', | |
302 | '-out', $pvessl_cert_fn, '-CAkey', $pveca_key_fn, | |
303 | '-CA', $pveca_cert_fn, '-CAserial', $pveca_srl_fn, | |
304 | '-extfile', $cfgfn]); | |
305 | }; | |
306 | ||
307 | if (my $err = $@) { | |
308 | unlink $reqfn; | |
309 | unlink $cfgfn; | |
310 | die "unable to generate pve ssl certificate:\n$err"; | |
311 | } | |
312 | ||
313 | unlink $cfgfn; | |
314 | unlink $reqfn; | |
315 | } | |
316 | ||
317 | sub gen_pve_node_files { | |
318 | my ($nodename, $ip, $opt_force) = @_; | |
319 | ||
320 | gen_local_dirs($nodename); | |
321 | ||
322 | gen_auth_key(); | |
323 | ||
324 | # make sure we have a (cluster wide) secret | |
325 | # for CSRFR prevention | |
326 | gen_pve_www_key(); | |
327 | ||
328 | # make sure we have a (per node) private key | |
329 | gen_pve_ssl_key($nodename); | |
330 | ||
331 | # make sure we have a CA | |
332 | my $force = gen_pveca_cert(); | |
333 | ||
334 | $force = 1 if $opt_force; | |
335 | ||
336 | gen_pve_ssl_cert($force, $nodename, $ip); | |
337 | } | |
338 | ||
339 | my $vzdump_cron_dummy = <<__EOD; | |
340 | # cluster wide vzdump cron schedule | |
341 | # Atomatically generated file - do not edit | |
342 | ||
343 | PATH="/usr/sbin:/usr/bin:/sbin:/bin" | |
344 | ||
345 | __EOD | |
346 | ||
347 | sub gen_pve_vzdump_symlink { | |
348 | ||
349 | my $filename = "/etc/pve/vzdump.cron"; | |
350 | ||
351 | my $link_fn = "/etc/cron.d/vzdump"; | |
352 | ||
353 | if ((-f $filename) && (! -l $link_fn)) { | |
354 | rename($link_fn, "/root/etc_cron_vzdump.org"); # make backup if file exists | |
355 | symlink($filename, $link_fn); | |
356 | } | |
357 | } | |
358 | ||
359 | sub gen_pve_vzdump_files { | |
360 | ||
361 | my $filename = "/etc/pve/vzdump.cron"; | |
362 | ||
363 | PVE::Tools::file_set_contents($filename, $vzdump_cron_dummy) | |
364 | if ! -f $filename; | |
365 | ||
366 | gen_pve_vzdump_symlink(); | |
367 | }; | |
368 | ||
369 | my $versions = {}; | |
370 | my $vmlist = {}; | |
371 | my $clinfo = {}; | |
372 | ||
373 | my $ipcc_send_rec = sub { | |
374 | my ($msgid, $data) = @_; | |
375 | ||
376 | my $res = PVE::IPCC::ipcc_send_rec($msgid, $data); | |
377 | ||
378 | die "ipcc_send_rec failed: $!\n" if !defined($res) && ($! != 0); | |
379 | ||
380 | return $res; | |
381 | }; | |
382 | ||
383 | my $ipcc_send_rec_json = sub { | |
384 | my ($msgid, $data) = @_; | |
385 | ||
386 | my $res = PVE::IPCC::ipcc_send_rec($msgid, $data); | |
387 | ||
388 | die "ipcc_send_rec failed: $!\n" if !defined($res) && ($! != 0); | |
389 | ||
390 | return decode_json($res); | |
391 | }; | |
392 | ||
393 | my $ipcc_get_config = sub { | |
394 | my ($path) = @_; | |
395 | ||
396 | my $bindata = pack "Z*", $path; | |
397 | my $res = PVE::IPCC::ipcc_send_rec(6, $bindata); | |
398 | if (!defined($res)) { | |
399 | return undef if ($! != 0); | |
400 | return ''; | |
401 | } | |
402 | ||
403 | return $res; | |
404 | }; | |
405 | ||
406 | my $ipcc_get_status = sub { | |
407 | my ($name, $nodename) = @_; | |
408 | ||
409 | my $bindata = pack "Z[256]Z[256]", $name, ($nodename || ""); | |
410 | return PVE::IPCC::ipcc_send_rec(5, $bindata); | |
411 | }; | |
412 | ||
413 | my $ipcc_update_status = sub { | |
414 | my ($name, $data) = @_; | |
415 | ||
416 | my $raw = ref($data) ? encode_json($data) : $data; | |
417 | # update status | |
418 | my $bindata = pack "Z[256]Z*", $name, $raw; | |
419 | ||
420 | return &$ipcc_send_rec(4, $bindata); | |
421 | }; | |
422 | ||
423 | my $ipcc_log = sub { | |
424 | my ($priority, $ident, $tag, $msg) = @_; | |
425 | ||
426 | my $bindata = pack "CCCZ*Z*Z*", $priority, bytes::length($ident) + 1, | |
427 | bytes::length($tag) + 1, $ident, $tag, $msg; | |
428 | ||
429 | return &$ipcc_send_rec(7, $bindata); | |
430 | }; | |
431 | ||
432 | my $ipcc_get_cluster_log = sub { | |
433 | my ($user, $max) = @_; | |
434 | ||
435 | $max = 0 if !defined($max); | |
436 | ||
437 | my $bindata = pack "VVVVZ*", $max, 0, 0, 0, ($user || ""); | |
438 | return &$ipcc_send_rec(8, $bindata); | |
439 | }; | |
440 | ||
441 | my $ccache = {}; | |
442 | ||
443 | sub cfs_update { | |
444 | eval { | |
445 | my $res = &$ipcc_send_rec_json(1); | |
446 | #warn "GOT1: " . Dumper($res); | |
447 | die "no starttime\n" if !$res->{starttime}; | |
448 | ||
449 | if (!$res->{starttime} || !$versions->{starttime} || | |
450 | $res->{starttime} != $versions->{starttime}) { | |
451 | #print "detected changed starttime\n"; | |
452 | $vmlist = {}; | |
453 | $clinfo = {}; | |
454 | $ccache = {}; | |
455 | } | |
456 | ||
457 | $versions = $res; | |
458 | }; | |
459 | my $err = $@; | |
460 | if ($err) { | |
461 | $versions = {}; | |
462 | $vmlist = {}; | |
463 | $clinfo = {}; | |
464 | $ccache = {}; | |
465 | warn $err; | |
466 | } | |
467 | ||
468 | eval { | |
469 | if (!$clinfo->{version} || $clinfo->{version} != $versions->{clinfo}) { | |
470 | #warn "detected new clinfo\n"; | |
471 | $clinfo = &$ipcc_send_rec_json(2); | |
472 | } | |
473 | }; | |
474 | $err = $@; | |
475 | if ($err) { | |
476 | $clinfo = {}; | |
477 | warn $err; | |
478 | } | |
479 | ||
480 | eval { | |
481 | if (!$vmlist->{version} || $vmlist->{version} != $versions->{vmlist}) { | |
482 | #warn "detected new vmlist1\n"; | |
483 | $vmlist = &$ipcc_send_rec_json(3); | |
484 | } | |
485 | }; | |
486 | $err = $@; | |
487 | if ($err) { | |
488 | $vmlist = {}; | |
489 | warn $err; | |
490 | } | |
491 | } | |
492 | ||
493 | sub get_vmlist { | |
494 | return $vmlist; | |
495 | } | |
496 | ||
497 | sub get_clinfo { | |
498 | return $clinfo; | |
499 | } | |
500 | ||
501 | sub get_members { | |
502 | return $clinfo->{nodelist}; | |
503 | } | |
504 | ||
505 | sub get_nodelist { | |
506 | ||
507 | my $nodelist = $clinfo->{nodelist}; | |
508 | ||
509 | my $result = []; | |
510 | ||
511 | my $nodename = PVE::INotify::nodename(); | |
512 | ||
513 | if (!$nodelist || !$nodelist->{$nodename}) { | |
514 | return [ $nodename ]; | |
515 | } | |
516 | ||
517 | return [ keys %$nodelist ]; | |
518 | } | |
519 | ||
520 | sub broadcast_tasklist { | |
521 | my ($data) = @_; | |
522 | ||
523 | eval { | |
524 | &$ipcc_update_status("tasklist", $data); | |
525 | }; | |
526 | ||
527 | warn $@ if $@; | |
528 | } | |
529 | ||
530 | my $tasklistcache = {}; | |
531 | ||
532 | sub get_tasklist { | |
533 | my ($nodename) = @_; | |
534 | ||
535 | my $kvstore = $versions->{kvstore} || {}; | |
536 | ||
537 | my $nodelist = get_nodelist(); | |
538 | ||
539 | my $res = []; | |
540 | foreach my $node (@$nodelist) { | |
541 | next if $nodename && ($nodename ne $node); | |
542 | eval { | |
543 | my $ver = $kvstore->{$node}->{tasklist} if $kvstore->{$node}; | |
544 | my $cd = $tasklistcache->{$node}; | |
545 | if (!$cd || !$ver || !$cd->{version} || | |
546 | ($cd->{version} != $ver)) { | |
547 | my $raw = &$ipcc_get_status("tasklist", $node) || '[]'; | |
548 | my $data = decode_json($raw); | |
549 | push @$res, @$data; | |
550 | $cd = $tasklistcache->{$node} = { | |
551 | data => $data, | |
552 | version => $ver, | |
553 | }; | |
554 | } elsif ($cd && $cd->{data}) { | |
555 | push @$res, @{$cd->{data}}; | |
556 | } | |
557 | }; | |
558 | my $err = $@; | |
559 | syslog('err', $err) if $err; | |
560 | } | |
561 | ||
562 | return $res; | |
563 | } | |
564 | ||
565 | sub broadcast_rrd { | |
566 | my ($rrdid, $data) = @_; | |
567 | ||
568 | eval { | |
569 | &$ipcc_update_status("rrd/$rrdid", $data); | |
570 | }; | |
571 | my $err = $@; | |
572 | ||
573 | warn $err if $err; | |
574 | } | |
575 | ||
576 | my $last_rrd_dump = 0; | |
577 | my $last_rrd_data = ""; | |
578 | ||
579 | sub rrd_dump { | |
580 | ||
581 | my $ctime = time(); | |
582 | ||
583 | my $diff = $ctime - $last_rrd_dump; | |
584 | if ($diff < 2) { | |
585 | return $last_rrd_data; | |
586 | } | |
587 | ||
588 | my $raw; | |
589 | eval { | |
590 | $raw = &$ipcc_send_rec(10); | |
591 | }; | |
592 | my $err = $@; | |
593 | ||
594 | if ($err) { | |
595 | warn $err; | |
596 | return {}; | |
597 | } | |
598 | ||
599 | my $res = {}; | |
600 | ||
601 | if ($raw) { | |
602 | while ($raw =~ s/^(.*)\n//) { | |
603 | my ($key, @ela) = split(/:/, $1); | |
604 | next if !$key; | |
605 | next if !(scalar(@ela) > 1); | |
606 | $res->{$key} = \@ela; | |
607 | } | |
608 | } | |
609 | ||
610 | $last_rrd_dump = $ctime; | |
611 | $last_rrd_data = $res; | |
612 | ||
613 | return $res; | |
614 | } | |
615 | ||
616 | sub create_rrd_data { | |
617 | my ($rrdname, $timeframe, $cf) = @_; | |
618 | ||
619 | my $rrddir = "/var/lib/rrdcached/db"; | |
620 | ||
621 | my $rrd = "$rrddir/$rrdname"; | |
622 | ||
623 | my $setup = { | |
624 | hour => [ 60, 70 ], | |
625 | day => [ 60*30, 70 ], | |
626 | week => [ 60*180, 70 ], | |
627 | month => [ 60*720, 70 ], | |
628 | year => [ 60*10080, 70 ], | |
629 | }; | |
630 | ||
631 | my ($reso, $count) = @{$setup->{$timeframe}}; | |
632 | my $ctime = $reso*int(time()/$reso); | |
633 | my $req_start = $ctime - $reso*$count; | |
634 | ||
635 | $cf = "AVERAGE" if !$cf; | |
636 | ||
637 | my @args = ( | |
638 | "-s" => $req_start, | |
639 | "-e" => $ctime - 1, | |
640 | "-r" => $reso, | |
641 | ); | |
642 | ||
643 | my $socket = "/var/run/rrdcached.sock"; | |
644 | push @args, "--daemon" => "unix:$socket" if -S $socket; | |
645 | ||
646 | my ($start, $step, $names, $data) = RRDs::fetch($rrd, $cf, @args); | |
647 | ||
648 | my $err = RRDs::error; | |
649 | die "RRD error: $err\n" if $err; | |
650 | ||
651 | die "got wrong time resolution ($step != $reso)\n" | |
652 | if $step != $reso; | |
653 | ||
654 | my $res = []; | |
655 | my $fields = scalar(@$names); | |
656 | for my $line (@$data) { | |
657 | my $entry = { 'time' => $start }; | |
658 | $start += $step; | |
659 | my $found_undefs; | |
660 | for (my $i = 0; $i < $fields; $i++) { | |
661 | my $name = $names->[$i]; | |
662 | if (defined(my $val = $line->[$i])) { | |
663 | $entry->{$name} = $val; | |
664 | } else { | |
665 | # we only add entryies with all data defined | |
666 | # extjs chart has problems with undefined values | |
667 | $found_undefs = 1; | |
668 | } | |
669 | } | |
670 | push @$res, $entry if !$found_undefs; | |
671 | } | |
672 | ||
673 | return $res; | |
674 | } | |
675 | ||
676 | sub create_rrd_graph { | |
677 | my ($rrdname, $timeframe, $ds, $cf) = @_; | |
678 | ||
679 | # Using RRD graph is clumsy - maybe it | |
680 | # is better to simply fetch the data, and do all display | |
681 | # related things with javascript (new extjs html5 graph library). | |
682 | ||
683 | my $rrddir = "/var/lib/rrdcached/db"; | |
684 | ||
685 | my $rrd = "$rrddir/$rrdname"; | |
686 | ||
687 | my @ids = PVE::Tools::split_list($ds); | |
688 | ||
689 | my $ds_txt = join('_', @ids); | |
690 | ||
691 | my $filename = "${rrd}_${ds_txt}.png"; | |
692 | ||
693 | my $setup = { | |
694 | hour => [ 60, 60 ], | |
695 | day => [ 60*30, 70 ], | |
696 | week => [ 60*180, 70 ], | |
697 | month => [ 60*720, 70 ], | |
698 | year => [ 60*10080, 70 ], | |
699 | }; | |
700 | ||
701 | my ($reso, $count) = @{$setup->{$timeframe}}; | |
702 | ||
703 | my @args = ( | |
704 | "--imgformat" => "PNG", | |
705 | "--border" => 0, | |
706 | "--height" => 200, | |
707 | "--width" => 800, | |
708 | "--start" => - $reso*$count, | |
709 | "--end" => 'now' , | |
710 | ); | |
711 | ||
712 | my $socket = "/var/run/rrdcached.sock"; | |
713 | push @args, "--daemon" => "unix:$socket" if -S $socket; | |
714 | ||
715 | my @coldef = ('#00ddff', '#ff0000'); | |
716 | ||
717 | $cf = "AVERAGE" if !$cf; | |
718 | ||
719 | my $i = 0; | |
720 | foreach my $id (@ids) { | |
721 | my $col = $coldef[$i++] || die "fixme: no color definition"; | |
722 | push @args, "DEF:${id}=$rrd:${id}:$cf"; | |
723 | my $dataid = $id; | |
724 | if ($id eq 'cpu' || $id eq 'iowait') { | |
725 | push @args, "CDEF:${id}_per=${id},100,*"; | |
726 | $dataid = "${id}_per"; | |
727 | } | |
728 | push @args, "LINE2:${dataid}${col}:${id}"; | |
729 | } | |
730 | ||
731 | push @args, '--full-size-mode'; | |
732 | ||
733 | # we do not really store data into the file | |
734 | my $res = RRDs::graphv('', @args); | |
735 | ||
736 | my $err = RRDs::error; | |
737 | die "RRD error: $err\n" if $err; | |
738 | ||
739 | return { filename => $filename, image => $res->{image} }; | |
740 | } | |
741 | ||
742 | # a fast way to read files (avoid fuse overhead) | |
743 | sub get_config { | |
744 | my ($path) = @_; | |
745 | ||
746 | return &$ipcc_get_config($path); | |
747 | } | |
748 | ||
749 | sub get_cluster_log { | |
750 | my ($user, $max) = @_; | |
751 | ||
752 | return &$ipcc_get_cluster_log($user, $max); | |
753 | } | |
754 | ||
755 | my $file_info = {}; | |
756 | ||
757 | sub cfs_register_file { | |
758 | my ($filename, $parser, $writer) = @_; | |
759 | ||
760 | $observed->{$filename} || die "unknown file '$filename'"; | |
761 | ||
762 | die "file '$filename' already registered" if $file_info->{$filename}; | |
763 | ||
764 | $file_info->{$filename} = { | |
765 | parser => $parser, | |
766 | writer => $writer, | |
767 | }; | |
768 | } | |
769 | ||
770 | my $ccache_read = sub { | |
771 | my ($filename, $parser, $version) = @_; | |
772 | ||
773 | $ccache->{$filename} = {} if !$ccache->{$filename}; | |
774 | ||
775 | my $ci = $ccache->{$filename}; | |
776 | ||
777 | if (!$ci->{version} || !$version || $ci->{version} != $version) { | |
778 | # we always call the parser, even when the file does not exists | |
779 | # (in that case $data is undef) | |
780 | my $data = get_config($filename); | |
781 | $ci->{data} = &$parser("/etc/pve/$filename", $data); | |
782 | $ci->{version} = $version; | |
783 | } | |
784 | ||
785 | my $res = ref($ci->{data}) ? dclone($ci->{data}) : $ci->{data}; | |
786 | ||
787 | return $res; | |
788 | }; | |
789 | ||
790 | sub cfs_file_version { | |
791 | my ($filename) = @_; | |
792 | ||
793 | my $version; | |
794 | my $infotag; | |
795 | if ($filename =~ m!^nodes/[^/]+/(openvz|qemu-server)/(\d+)\.conf$!) { | |
796 | my ($type, $vmid) = ($1, $2); | |
797 | if ($vmlist && $vmlist->{ids} && $vmlist->{ids}->{$vmid}) { | |
798 | $version = $vmlist->{ids}->{$vmid}->{version}; | |
799 | } | |
800 | $infotag = "/$type/"; | |
801 | } elsif ($filename =~ m!^nodes/[^/]+/lxc/(\d+)/config$!) { | |
802 | my $vmid = $1; | |
803 | if ($vmlist && $vmlist->{ids} && $vmlist->{ids}->{$vmid}) { | |
804 | $version = $vmlist->{ids}->{$vmid}->{version}; | |
805 | } | |
806 | $infotag = "/lxc/"; | |
807 | } else { | |
808 | $infotag = $filename; | |
809 | $version = $versions->{$filename}; | |
810 | } | |
811 | ||
812 | my $info = $file_info->{$infotag} || | |
813 | die "unknown file type '$filename'\n"; | |
814 | ||
815 | return wantarray ? ($version, $info) : $version; | |
816 | } | |
817 | ||
818 | sub cfs_read_file { | |
819 | my ($filename) = @_; | |
820 | ||
821 | my ($version, $info) = cfs_file_version($filename); | |
822 | my $parser = $info->{parser}; | |
823 | ||
824 | return &$ccache_read($filename, $parser, $version); | |
825 | } | |
826 | ||
827 | sub cfs_write_file { | |
828 | my ($filename, $data) = @_; | |
829 | ||
830 | my ($version, $info) = cfs_file_version($filename); | |
831 | ||
832 | my $writer = $info->{writer} || die "no writer defined"; | |
833 | ||
834 | my $fsname = "/etc/pve/$filename"; | |
835 | ||
836 | my $raw = &$writer($fsname, $data); | |
837 | ||
838 | if (my $ci = $ccache->{$filename}) { | |
839 | $ci->{version} = undef; | |
840 | } | |
841 | ||
842 | PVE::Tools::file_set_contents($fsname, $raw); | |
843 | } | |
844 | ||
845 | my $cfs_lock = sub { | |
846 | my ($lockid, $timeout, $code, @param) = @_; | |
847 | ||
848 | my $res; | |
849 | ||
850 | # this timeout is for aquire the lock | |
851 | $timeout = 10 if !$timeout; | |
852 | ||
853 | my $filename = "$lockdir/$lockid"; | |
854 | ||
855 | my $msg = "can't aquire cfs lock '$lockid'"; | |
856 | ||
857 | eval { | |
858 | ||
859 | mkdir $lockdir; | |
860 | ||
861 | if (! -d $lockdir) { | |
862 | die "$msg: pve cluster filesystem not online.\n"; | |
863 | } | |
864 | ||
865 | local $SIG{ALRM} = sub { die "got lock request timeout\n"; }; | |
866 | ||
867 | alarm ($timeout); | |
868 | ||
869 | if (!(mkdir $filename)) { | |
870 | print STDERR "trying to aquire cfs lock '$lockid' ..."; | |
871 | while (1) { | |
872 | if (!(mkdir $filename)) { | |
873 | (utime 0, 0, $filename); # cfs unlock request | |
874 | } else { | |
875 | print STDERR " OK\n"; | |
876 | last; | |
877 | } | |
878 | sleep(1); | |
879 | } | |
880 | } | |
881 | ||
882 | # fixed command timeout: cfs locks have a timeout of 120 | |
883 | # using 60 gives us another 60 seconds to abort the task | |
884 | alarm(60); | |
885 | local $SIG{ALRM} = sub { die "got lock timeout - aborting command\n"; }; | |
886 | ||
887 | cfs_update(); # make sure we read latest versions inside code() | |
888 | ||
889 | $res = &$code(@param); | |
890 | ||
891 | alarm(0); | |
892 | }; | |
893 | ||
894 | my $err = $@; | |
895 | ||
896 | alarm(0); | |
897 | ||
898 | if ($err && ($err eq "got lock request timeout\n") && | |
899 | !check_cfs_quorum()){ | |
900 | $err = "$msg: no quorum!\n"; | |
901 | } | |
902 | ||
903 | if (!$err || $err !~ /^got lock timeout -/) { | |
904 | rmdir $filename; # cfs unlock | |
905 | } | |
906 | ||
907 | if ($err) { | |
908 | $@ = $err; | |
909 | return undef; | |
910 | } | |
911 | ||
912 | $@ = undef; | |
913 | ||
914 | return $res; | |
915 | }; | |
916 | ||
917 | sub cfs_lock_file { | |
918 | my ($filename, $timeout, $code, @param) = @_; | |
919 | ||
920 | my $info = $observed->{$filename} || die "unknown file '$filename'"; | |
921 | ||
922 | my $lockid = "file-$filename"; | |
923 | $lockid =~ s/[.\/]/_/g; | |
924 | ||
925 | &$cfs_lock($lockid, $timeout, $code, @param); | |
926 | } | |
927 | ||
928 | sub cfs_lock_storage { | |
929 | my ($storeid, $timeout, $code, @param) = @_; | |
930 | ||
931 | my $lockid = "storage-$storeid"; | |
932 | ||
933 | &$cfs_lock($lockid, $timeout, $code, @param); | |
934 | } | |
935 | ||
936 | my $log_levels = { | |
937 | "emerg" => 0, | |
938 | "alert" => 1, | |
939 | "crit" => 2, | |
940 | "critical" => 2, | |
941 | "err" => 3, | |
942 | "error" => 3, | |
943 | "warn" => 4, | |
944 | "warning" => 4, | |
945 | "notice" => 5, | |
946 | "info" => 6, | |
947 | "debug" => 7, | |
948 | }; | |
949 | ||
950 | sub log_msg { | |
951 | my ($priority, $ident, $msg) = @_; | |
952 | ||
953 | if (my $tmp = $log_levels->{$priority}) { | |
954 | $priority = $tmp; | |
955 | } | |
956 | ||
957 | die "need numeric log priority" if $priority !~ /^\d+$/; | |
958 | ||
959 | my $tag = PVE::SafeSyslog::tag(); | |
960 | ||
961 | $msg = "empty message" if !$msg; | |
962 | ||
963 | $ident = "" if !$ident; | |
964 | $ident = encode("ascii", decode_utf8($ident), | |
965 | sub { sprintf "\\u%04x", shift }); | |
966 | ||
967 | my $utf8 = decode_utf8($msg); | |
968 | ||
969 | my $ascii = encode("ascii", $utf8, sub { sprintf "\\u%04x", shift }); | |
970 | ||
971 | if ($ident) { | |
972 | syslog($priority, "<%s> %s", $ident, $ascii); | |
973 | } else { | |
974 | syslog($priority, "%s", $ascii); | |
975 | } | |
976 | ||
977 | eval { &$ipcc_log($priority, $ident, $tag, $ascii); }; | |
978 | ||
979 | syslog("err", "writing cluster log failed: $@") if $@; | |
980 | } | |
981 | ||
982 | sub check_vmid_unused { | |
983 | my ($vmid, $noerr) = @_; | |
984 | ||
985 | my $vmlist = get_vmlist(); | |
986 | ||
987 | my $d = $vmlist->{ids}->{$vmid}; | |
988 | return 1 if !defined($d); | |
989 | ||
990 | return undef if $noerr; | |
991 | ||
992 | die "VM $vmid already exists\n" if $d->{type} eq 'qemu'; | |
993 | ||
994 | die "CT $vmid already exists\n"; | |
995 | } | |
996 | ||
997 | sub check_node_exists { | |
998 | my ($nodename, $noerr) = @_; | |
999 | ||
1000 | my $nodelist = $clinfo->{nodelist}; | |
1001 | return 1 if $nodelist && $nodelist->{$nodename}; | |
1002 | ||
1003 | return undef if $noerr; | |
1004 | ||
1005 | die "no such cluster node '$nodename'\n"; | |
1006 | } | |
1007 | ||
1008 | # this is also used to get the IP of the local node | |
1009 | sub remote_node_ip { | |
1010 | my ($nodename, $noerr) = @_; | |
1011 | ||
1012 | my $nodelist = $clinfo->{nodelist}; | |
1013 | if ($nodelist && $nodelist->{$nodename}) { | |
1014 | if (my $ip = $nodelist->{$nodename}->{ip}) { | |
1015 | return $ip if !wantarray; | |
1016 | my $family = $nodelist->{$nodename}->{address_family}; | |
1017 | if (!$family) { | |
1018 | $nodelist->{$nodename}->{address_family} = | |
1019 | $family = | |
1020 | PVE::Tools::get_host_address_family($ip); | |
1021 | } | |
1022 | return ($ip, $family); | |
1023 | } | |
1024 | } | |
1025 | ||
1026 | # fallback: try to get IP by other means | |
1027 | my ($family, $packed_ip); | |
1028 | ||
1029 | eval { | |
1030 | my @res = PVE::Tools::getaddrinfo_all($nodename); | |
1031 | $family = $res[0]->{family}; | |
1032 | $packed_ip = (PVE::Tools::unpack_sockaddr_in46($res[0]->{addr}))[2]; | |
1033 | }; | |
1034 | ||
1035 | if ($@) { | |
1036 | die "hostname lookup failed:\n$@" if !$noerr; | |
1037 | return undef; | |
1038 | } | |
1039 | ||
1040 | my $ip = Socket::inet_ntop($family, $packed_ip); | |
1041 | if ($ip =~ m/^127\.|^::1$/) { | |
1042 | die "hostname lookup failed - got local IP address ($nodename = $ip)\n" if !$noerr; | |
1043 | return undef; | |
1044 | } | |
1045 | ||
1046 | return wantarray ? ($ip, $family) : $ip; | |
1047 | } | |
1048 | ||
1049 | # ssh related utility functions | |
1050 | ||
1051 | sub ssh_merge_keys { | |
1052 | # remove duplicate keys in $sshauthkeys | |
1053 | # ssh-copy-id simply add keys, so the file can grow to large | |
1054 | ||
1055 | my $data = ''; | |
1056 | if (-f $sshauthkeys) { | |
1057 | $data = PVE::Tools::file_get_contents($sshauthkeys, 128*1024); | |
1058 | chomp($data); | |
1059 | } | |
1060 | ||
1061 | my $found_backup; | |
1062 | if (-f $rootsshauthkeysbackup) { | |
1063 | $data .= "\n"; | |
1064 | $data .= PVE::Tools::file_get_contents($rootsshauthkeysbackup, 128*1024); | |
1065 | chomp($data); | |
1066 | $found_backup = 1; | |
1067 | } | |
1068 | ||
1069 | # always add ourself | |
1070 | if (-f $ssh_rsa_id) { | |
1071 | my $pub = PVE::Tools::file_get_contents($ssh_rsa_id); | |
1072 | chomp($pub); | |
1073 | $data .= "\n$pub\n"; | |
1074 | } | |
1075 | ||
1076 | my $newdata = ""; | |
1077 | my $vhash = {}; | |
1078 | my @lines = split(/\n/, $data); | |
1079 | foreach my $line (@lines) { | |
1080 | if ($line !~ /^#/ && $line =~ m/(^|\s)ssh-(rsa|dsa)\s+(\S+)\s+\S+$/) { | |
1081 | next if $vhash->{$3}++; | |
1082 | } | |
1083 | $newdata .= "$line\n"; | |
1084 | } | |
1085 | ||
1086 | PVE::Tools::file_set_contents($sshauthkeys, $newdata, 0600); | |
1087 | ||
1088 | if ($found_backup && -l $rootsshauthkeys) { | |
1089 | # everything went well, so we can remove the backup | |
1090 | unlink $rootsshauthkeysbackup; | |
1091 | } | |
1092 | } | |
1093 | ||
1094 | sub setup_sshd_config { | |
1095 | ||
1096 | my $conf = PVE::Tools::file_get_contents($sshd_config_fn); | |
1097 | ||
1098 | return if $conf =~ m/^PermitRootLogin\s+yes\s*$/m; | |
1099 | ||
1100 | if ($conf !~ s/^#?PermitRootLogin.*$/PermitRootLogin yes/m) { | |
1101 | chomp $conf; | |
1102 | $conf .= "\nPermitRootLogin yes\n"; | |
1103 | } | |
1104 | ||
1105 | PVE::Tools::file_set_contents($sshd_config_fn, $conf); | |
1106 | ||
1107 | PVE::Tools::run_command(['systemctl', 'reload-or-restart', 'sshd']); | |
1108 | } | |
1109 | ||
1110 | sub setup_rootsshconfig { | |
1111 | ||
1112 | # create ssh key if it does not exist | |
1113 | if (! -f $ssh_rsa_id) { | |
1114 | mkdir '/root/.ssh/'; | |
1115 | system ("echo|ssh-keygen -t rsa -N '' -b 2048 -f ${ssh_rsa_id_priv}"); | |
1116 | } | |
1117 | ||
1118 | # create ssh config if it does not exist | |
1119 | if (! -f $rootsshconfig) { | |
1120 | mkdir '/root/.ssh'; | |
1121 | if (my $fh = IO::File->new($rootsshconfig, O_CREAT|O_WRONLY|O_EXCL, 0640)) { | |
1122 | # this is the default ciphers list from debian openssl0.9.8 except blowfish is added as prefered | |
1123 | print $fh "Ciphers blowfish-cbc,aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc\n"; | |
1124 | close($fh); | |
1125 | } | |
1126 | } | |
1127 | } | |
1128 | ||
1129 | sub setup_ssh_keys { | |
1130 | ||
1131 | mkdir $authdir; | |
1132 | ||
1133 | my $import_ok; | |
1134 | ||
1135 | if (! -f $sshauthkeys) { | |
1136 | my $old; | |
1137 | if (-f $rootsshauthkeys) { | |
1138 | $old = PVE::Tools::file_get_contents($rootsshauthkeys, 128*1024); | |
1139 | } | |
1140 | if (my $fh = IO::File->new ($sshauthkeys, O_CREAT|O_WRONLY|O_EXCL, 0400)) { | |
1141 | PVE::Tools::safe_print($sshauthkeys, $fh, $old) if $old; | |
1142 | close($fh); | |
1143 | $import_ok = 1; | |
1144 | } | |
1145 | } | |
1146 | ||
1147 | warn "can't create shared ssh key database '$sshauthkeys'\n" | |
1148 | if ! -f $sshauthkeys; | |
1149 | ||
1150 | if (-f $rootsshauthkeys && ! -l $rootsshauthkeys) { | |
1151 | if (!rename($rootsshauthkeys , $rootsshauthkeysbackup)) { | |
1152 | warn "rename $rootsshauthkeys failed - $!\n"; | |
1153 | } | |
1154 | } | |
1155 | ||
1156 | if (! -l $rootsshauthkeys) { | |
1157 | symlink $sshauthkeys, $rootsshauthkeys; | |
1158 | } | |
1159 | ||
1160 | if (! -l $rootsshauthkeys) { | |
1161 | warn "can't create symlink for ssh keys '$rootsshauthkeys' -> '$sshauthkeys'\n"; | |
1162 | } else { | |
1163 | unlink $rootsshauthkeysbackup if $import_ok; | |
1164 | } | |
1165 | } | |
1166 | ||
1167 | sub ssh_unmerge_known_hosts { | |
1168 | return if ! -l $sshglobalknownhosts; | |
1169 | ||
1170 | my $old = ''; | |
1171 | $old = PVE::Tools::file_get_contents($sshknownhosts, 128*1024) | |
1172 | if -f $sshknownhosts; | |
1173 | ||
1174 | PVE::Tools::file_set_contents($sshglobalknownhosts, $old); | |
1175 | } | |
1176 | ||
1177 | sub ssh_merge_known_hosts { | |
1178 | my ($nodename, $ip_address, $createLink) = @_; | |
1179 | ||
1180 | die "no node name specified" if !$nodename; | |
1181 | die "no ip address specified" if !$ip_address; | |
1182 | ||
1183 | mkdir $authdir; | |
1184 | ||
1185 | if (! -f $sshknownhosts) { | |
1186 | if (my $fh = IO::File->new($sshknownhosts, O_CREAT|O_WRONLY|O_EXCL, 0600)) { | |
1187 | close($fh); | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | my $old = PVE::Tools::file_get_contents($sshknownhosts, 128*1024); | |
1192 | ||
1193 | my $new = ''; | |
1194 | ||
1195 | if ((! -l $sshglobalknownhosts) && (-f $sshglobalknownhosts)) { | |
1196 | $new = PVE::Tools::file_get_contents($sshglobalknownhosts, 128*1024); | |
1197 | } | |
1198 | ||
1199 | my $hostkey = PVE::Tools::file_get_contents($ssh_host_rsa_id); | |
1200 | # Note: file sometimes containe emty lines at start, so we use multiline match | |
1201 | die "can't parse $ssh_host_rsa_id" if $hostkey !~ m/^(ssh-rsa\s\S+)(\s.*)?$/m; | |
1202 | $hostkey = $1; | |
1203 | ||
1204 | my $data = ''; | |
1205 | my $vhash = {}; | |
1206 | ||
1207 | my $found_nodename; | |
1208 | my $found_local_ip; | |
1209 | ||
1210 | my $merge_line = sub { | |
1211 | my ($line, $all) = @_; | |
1212 | ||
1213 | if ($line =~ m/^(\S+)\s(ssh-rsa\s\S+)(\s.*)?$/) { | |
1214 | my $key = $1; | |
1215 | my $rsakey = $2; | |
1216 | if (!$vhash->{$key}) { | |
1217 | $vhash->{$key} = 1; | |
1218 | if ($key =~ m/\|1\|([^\|\s]+)\|([^\|\s]+)$/) { | |
1219 | my $salt = decode_base64($1); | |
1220 | my $digest = $2; | |
1221 | my $hmac = Digest::HMAC_SHA1->new($salt); | |
1222 | $hmac->add($nodename); | |
1223 | my $hd = $hmac->b64digest . '='; | |
1224 | if ($digest eq $hd) { | |
1225 | if ($rsakey eq $hostkey) { | |
1226 | $found_nodename = 1; | |
1227 | $data .= $line; | |
1228 | } | |
1229 | return; | |
1230 | } | |
1231 | $hmac = Digest::HMAC_SHA1->new($salt); | |
1232 | $hmac->add($ip_address); | |
1233 | $hd = $hmac->b64digest . '='; | |
1234 | if ($digest eq $hd) { | |
1235 | if ($rsakey eq $hostkey) { | |
1236 | $found_local_ip = 1; | |
1237 | $data .= $line; | |
1238 | } | |
1239 | return; | |
1240 | } | |
1241 | } | |
1242 | $data .= $line; | |
1243 | } | |
1244 | } elsif ($all) { | |
1245 | $data .= $line; | |
1246 | } | |
1247 | }; | |
1248 | ||
1249 | while ($old && $old =~ s/^((.*?)(\n|$))//) { | |
1250 | my $line = "$2\n"; | |
1251 | next if $line =~ m/^\s*$/; # skip empty lines | |
1252 | next if $line =~ m/^#/; # skip comments | |
1253 | &$merge_line($line, 1); | |
1254 | } | |
1255 | ||
1256 | while ($new && $new =~ s/^((.*?)(\n|$))//) { | |
1257 | my $line = "$2\n"; | |
1258 | next if $line =~ m/^\s*$/; # skip empty lines | |
1259 | next if $line =~ m/^#/; # skip comments | |
1260 | &$merge_line($line); | |
1261 | } | |
1262 | ||
1263 | my $addIndex = $$; | |
1264 | my $add_known_hosts_entry = sub { | |
1265 | my ($name, $hostkey) = @_; | |
1266 | $addIndex++; | |
1267 | my $hmac = Digest::HMAC_SHA1->new("$addIndex" . time()); | |
1268 | my $b64salt = $hmac->b64digest . '='; | |
1269 | $hmac = Digest::HMAC_SHA1->new(decode_base64($b64salt)); | |
1270 | $hmac->add($name); | |
1271 | my $digest = $hmac->b64digest . '='; | |
1272 | $data .= "|1|$b64salt|$digest $hostkey\n"; | |
1273 | }; | |
1274 | ||
1275 | if (!$found_nodename || !$found_local_ip) { | |
1276 | &$add_known_hosts_entry($nodename, $hostkey) if !$found_nodename; | |
1277 | &$add_known_hosts_entry($ip_address, $hostkey) if !$found_local_ip; | |
1278 | } | |
1279 | ||
1280 | PVE::Tools::file_set_contents($sshknownhosts, $data); | |
1281 | ||
1282 | return if !$createLink; | |
1283 | ||
1284 | unlink $sshglobalknownhosts; | |
1285 | symlink $sshknownhosts, $sshglobalknownhosts; | |
1286 | ||
1287 | warn "can't create symlink for ssh known hosts '$sshglobalknownhosts' -> '$sshknownhosts'\n" | |
1288 | if ! -l $sshglobalknownhosts; | |
1289 | ||
1290 | } | |
1291 | ||
1292 | my $datacenter_schema = { | |
1293 | type => "object", | |
1294 | additionalProperties => 0, | |
1295 | properties => { | |
1296 | keyboard => { | |
1297 | optional => 1, | |
1298 | type => 'string', | |
1299 | description => "Default keybord layout for vnc server.", | |
1300 | enum => PVE::Tools::kvmkeymaplist(), | |
1301 | }, | |
1302 | language => { | |
1303 | optional => 1, | |
1304 | type => 'string', | |
1305 | description => "Default GUI language.", | |
1306 | enum => [ 'en', 'de' ], | |
1307 | }, | |
1308 | http_proxy => { | |
1309 | optional => 1, | |
1310 | type => 'string', | |
1311 | description => "Specify external http proxy which is used for downloads (example: 'http://username:password\@host:port/')", | |
1312 | pattern => "http://.*", | |
1313 | }, | |
1314 | migration_unsecure => { | |
1315 | optional => 1, | |
1316 | type => 'boolean', | |
1317 | description => "Migration is secure using SSH tunnel by default. For secure private networks you can disable it to speed up migration.", | |
1318 | }, | |
1319 | console => { | |
1320 | optional => 1, | |
1321 | type => 'string', | |
1322 | description => "Select the default Console viewer. You can either use the builtin java applet (VNC), an external virt-viewer comtatible application (SPICE), or an HTML5 based viewer (noVNC).", | |
1323 | enum => ['applet', 'vv', 'html5'], | |
1324 | }, | |
1325 | email_from => { | |
1326 | optional => 1, | |
1327 | type => 'string', | |
1328 | format => 'email-opt', | |
1329 | description => "Specify email address to send notification from (default is root@\$hostname)", | |
1330 | }, | |
1331 | }, | |
1332 | }; | |
1333 | ||
1334 | # make schema accessible from outside (for documentation) | |
1335 | sub get_datacenter_schema { return $datacenter_schema }; | |
1336 | ||
1337 | sub parse_datacenter_config { | |
1338 | my ($filename, $raw) = @_; | |
1339 | ||
1340 | return PVE::JSONSchema::parse_config($datacenter_schema, $filename, $raw); | |
1341 | } | |
1342 | ||
1343 | sub write_datacenter_config { | |
1344 | my ($filename, $cfg) = @_; | |
1345 | ||
1346 | return PVE::JSONSchema::dump_config($datacenter_schema, $filename, $cfg); | |
1347 | } | |
1348 | ||
1349 | cfs_register_file('datacenter.cfg', | |
1350 | \&parse_datacenter_config, | |
1351 | \&write_datacenter_config); | |
1352 | ||
1353 | # a very simply parser ... | |
1354 | sub parse_corosync_conf { | |
1355 | my ($filename, $raw) = @_; | |
1356 | ||
1357 | return {} if !$raw; | |
1358 | ||
1359 | my $digest = Digest::SHA::sha1_hex(defined($raw) ? $raw : ''); | |
1360 | ||
1361 | $raw =~ s/#.*$//mg; | |
1362 | $raw =~ s/\r?\n/ /g; | |
1363 | $raw =~ s/\s+/ /g; | |
1364 | $raw =~ s/^\s+//; | |
1365 | $raw =~ s/\s*$//; | |
1366 | ||
1367 | my @tokens = split(/\s/, $raw); | |
1368 | ||
1369 | my $conf = { section => 'main', children => [] }; | |
1370 | ||
1371 | my $stack = []; | |
1372 | my $section = $conf; | |
1373 | ||
1374 | while (defined(my $token = shift @tokens)) { | |
1375 | my $nexttok = $tokens[0]; | |
1376 | ||
1377 | if ($nexttok && ($nexttok eq '{')) { | |
1378 | shift @tokens; # skip '{' | |
1379 | my $new_section = { | |
1380 | section => $token, | |
1381 | children => [], | |
1382 | }; | |
1383 | push @{$section->{children}}, $new_section; | |
1384 | push @$stack, $section; | |
1385 | $section = $new_section; | |
1386 | next; | |
1387 | } | |
1388 | ||
1389 | if ($token eq '}') { | |
1390 | $section = pop @$stack; | |
1391 | die "parse error - uncexpected '}'\n" if !$section; | |
1392 | next; | |
1393 | } | |
1394 | ||
1395 | my $key = $token; | |
1396 | die "missing ':' after key '$key'\n" if ! ($key =~ s/:$//); | |
1397 | ||
1398 | die "parse error - no value for '$key'\n" if !defined($nexttok); | |
1399 | my $value = shift @tokens; | |
1400 | ||
1401 | push @{$section->{children}}, { key => $key, value => $value }; | |
1402 | } | |
1403 | ||
1404 | $conf->{digest} = $digest; | |
1405 | ||
1406 | return $conf; | |
1407 | } | |
1408 | ||
1409 | my $dump_corosync_section; | |
1410 | $dump_corosync_section = sub { | |
1411 | my ($section, $prefix) = @_; | |
1412 | ||
1413 | my $raw = $prefix . $section->{section} . " {\n"; | |
1414 | ||
1415 | my @list = grep { defined($_->{key}) } @{$section->{children}}; | |
1416 | foreach my $child (sort {$a->{key} cmp $b->{key}} @list) { | |
1417 | $raw .= $prefix . " $child->{key}: $child->{value}\n"; | |
1418 | } | |
1419 | ||
1420 | @list = grep { defined($_->{section}) } @{$section->{children}}; | |
1421 | foreach my $child (sort {$a->{section} cmp $b->{section}} @list) { | |
1422 | $raw .= &$dump_corosync_section($child, "$prefix "); | |
1423 | } | |
1424 | ||
1425 | $raw .= $prefix . "}\n\n"; | |
1426 | ||
1427 | return $raw; | |
1428 | ||
1429 | }; | |
1430 | ||
1431 | sub write_corosync_conf { | |
1432 | my ($filename, $conf) = @_; | |
1433 | ||
1434 | my $raw = ''; | |
1435 | ||
1436 | my $prefix = ''; | |
1437 | ||
1438 | die "no main section" if $conf->{section} ne 'main'; | |
1439 | ||
1440 | my @list = grep { defined($_->{key}) } @{$conf->{children}}; | |
1441 | foreach my $child (sort {$a->{key} cmp $b->{key}} @list) { | |
1442 | $raw .= "$child->{key}: $child->{value}\n"; | |
1443 | } | |
1444 | ||
1445 | @list = grep { defined($_->{section}) } @{$conf->{children}}; | |
1446 | foreach my $child (sort {$a->{section} cmp $b->{section}} @list) { | |
1447 | $raw .= &$dump_corosync_section($child, $prefix); | |
1448 | } | |
1449 | ||
1450 | return $raw; | |
1451 | } | |
1452 | ||
1453 | sub corosync_conf_version { | |
1454 | my ($conf, $noerr, $new_value) = @_; | |
1455 | ||
1456 | foreach my $child (@{$conf->{children}}) { | |
1457 | next if !defined($child->{section}); | |
1458 | if ($child->{section} eq 'totem') { | |
1459 | foreach my $e (@{$child->{children}}) { | |
1460 | next if !defined($e->{key}); | |
1461 | if ($e->{key} eq 'config_version') { | |
1462 | if ($new_value) { | |
1463 | $e->{value} = $new_value; | |
1464 | return $new_value; | |
1465 | } elsif (my $version = int($e->{value})) { | |
1466 | return $version; | |
1467 | } | |
1468 | last; | |
1469 | } | |
1470 | } | |
1471 | } | |
1472 | } | |
1473 | ||
1474 | return undef if $noerr; | |
1475 | ||
1476 | die "invalid corosync config - unable to read version\n"; | |
1477 | } | |
1478 | ||
1479 | # read only - use "rename corosync.conf.new corosync.conf" to write | |
1480 | PVE::Cluster::cfs_register_file('corosync.conf', \&parse_corosync_conf); | |
1481 | # this is read/write | |
1482 | PVE::Cluster::cfs_register_file('corosync.conf.new', \&parse_corosync_conf, | |
1483 | \&write_corosync_conf); | |
1484 | ||
1485 | 1; |