]>
Commit | Line | Data |
---|---|---|
fe000966 DM |
1 | package PVE::Cluster; |
2 | ||
3 | use strict; | |
7181f622 | 4 | use warnings; |
7bac9ca5 | 5 | use POSIX qw(EEXIST ENOENT); |
fe000966 DM |
6 | use File::stat qw(); |
7 | use Socket; | |
8 | use Storable qw(dclone); | |
9 | use IO::File; | |
10 | use MIME::Base64; | |
440121dc | 11 | use Digest::SHA; |
fe000966 | 12 | use Digest::HMAC_SHA1; |
26784563 | 13 | use Net::SSLeay; |
fe000966 DM |
14 | use PVE::Tools; |
15 | use PVE::INotify; | |
16 | use PVE::IPCC; | |
17 | use PVE::SafeSyslog; | |
d0ad18e8 | 18 | use PVE::JSONSchema; |
54d487bf | 19 | use PVE::Network; |
fe000966 DM |
20 | use JSON; |
21 | use RRDs; | |
22 | use Encode; | |
ed8eb70d | 23 | use UUID; |
fe000966 DM |
24 | use base 'Exporter'; |
25 | ||
26 | our @EXPORT_OK = qw( | |
27 | cfs_read_file | |
28 | cfs_write_file | |
29 | cfs_register_file | |
30 | cfs_lock_file); | |
31 | ||
32 | use Data::Dumper; # fixme: remove | |
33 | ||
34 | # x509 certificate utils | |
35 | ||
36 | my $basedir = "/etc/pve"; | |
37 | my $authdir = "$basedir/priv"; | |
38 | my $lockdir = "/etc/pve/priv/lock"; | |
39 | ||
40 | my $authprivkeyfn = "$authdir/authkey.key"; | |
41 | my $authpubkeyfn = "$basedir/authkey.pub"; | |
42 | my $pveca_key_fn = "$authdir/pve-root-ca.key"; | |
43 | my $pveca_srl_fn = "$authdir/pve-root-ca.srl"; | |
44 | my $pveca_cert_fn = "$basedir/pve-root-ca.pem"; | |
45 | # this is just a secret accessable by the web browser | |
46 | # and is used for CSRF prevention | |
47 | my $pvewww_key_fn = "$basedir/pve-www.key"; | |
48 | ||
49 | # ssh related files | |
50 | my $ssh_rsa_id_priv = "/root/.ssh/id_rsa"; | |
51 | my $ssh_rsa_id = "/root/.ssh/id_rsa.pub"; | |
52 | my $ssh_host_rsa_id = "/etc/ssh/ssh_host_rsa_key.pub"; | |
53 | my $sshglobalknownhosts = "/etc/ssh/ssh_known_hosts"; | |
54 | my $sshknownhosts = "/etc/pve/priv/known_hosts"; | |
55 | my $sshauthkeys = "/etc/pve/priv/authorized_keys"; | |
ac50b36d | 56 | my $sshd_config_fn = "/etc/ssh/sshd_config"; |
fe000966 | 57 | my $rootsshauthkeys = "/root/.ssh/authorized_keys"; |
6056578e | 58 | my $rootsshauthkeysbackup = "${rootsshauthkeys}.org"; |
f666cdde | 59 | my $rootsshconfig = "/root/.ssh/config"; |
fe000966 DM |
60 | |
61 | my $observed = { | |
e1735a61 | 62 | 'vzdump.cron' => 1, |
fe000966 DM |
63 | 'storage.cfg' => 1, |
64 | 'datacenter.cfg' => 1, | |
f6de131a | 65 | 'replication.cfg' => 1, |
cafc7309 DM |
66 | 'corosync.conf' => 1, |
67 | 'corosync.conf.new' => 1, | |
fe000966 DM |
68 | 'user.cfg' => 1, |
69 | 'domains.cfg' => 1, | |
70 | 'priv/shadow.cfg' => 1, | |
71 | '/qemu-server/' => 1, | |
f71eee41 | 72 | '/openvz/' => 1, |
7f66b436 | 73 | '/lxc/' => 1, |
5a5417e6 DM |
74 | 'ha/crm_commands' => 1, |
75 | 'ha/manager_status' => 1, | |
76 | 'ha/resources.cfg' => 1, | |
77 | 'ha/groups.cfg' => 1, | |
e9af3eb7 | 78 | 'ha/fence.cfg' => 1, |
9d4f69ff | 79 | 'status.cfg' => 1, |
fe000966 DM |
80 | }; |
81 | ||
82 | # only write output if something fails | |
83 | sub run_silent_cmd { | |
84 | my ($cmd) = @_; | |
85 | ||
86 | my $outbuf = ''; | |
87 | ||
88 | my $record_output = sub { | |
89 | $outbuf .= shift; | |
90 | $outbuf .= "\n"; | |
91 | }; | |
92 | ||
93 | eval { | |
c53b111f | 94 | PVE::Tools::run_command($cmd, outfunc => $record_output, |
fe000966 DM |
95 | errfunc => $record_output); |
96 | }; | |
97 | ||
98 | my $err = $@; | |
99 | ||
100 | if ($err) { | |
101 | print STDERR $outbuf; | |
102 | die $err; | |
103 | } | |
104 | } | |
105 | ||
106 | sub check_cfs_quorum { | |
01dddfb9 DM |
107 | my ($noerr) = @_; |
108 | ||
fe000966 DM |
109 | # note: -w filename always return 1 for root, so wee need |
110 | # to use File::lstat here | |
111 | my $st = File::stat::lstat("$basedir/local"); | |
01dddfb9 DM |
112 | my $quorate = ($st && (($st->mode & 0200) != 0)); |
113 | ||
114 | die "cluster not ready - no quorum?\n" if !$quorate && !$noerr; | |
115 | ||
116 | return $quorate; | |
fe000966 DM |
117 | } |
118 | ||
119 | sub check_cfs_is_mounted { | |
120 | my ($noerr) = @_; | |
121 | ||
122 | my $res = -l "$basedir/local"; | |
123 | ||
124 | die "pve configuration filesystem not mounted\n" | |
125 | if !$res && !$noerr; | |
126 | ||
127 | return $res; | |
128 | } | |
129 | ||
130 | sub gen_local_dirs { | |
131 | my ($nodename) = @_; | |
132 | ||
133 | check_cfs_is_mounted(); | |
134 | ||
135 | my @required_dirs = ( | |
136 | "$basedir/priv", | |
c53b111f | 137 | "$basedir/nodes", |
fe000966 | 138 | "$basedir/nodes/$nodename", |
7f66b436 | 139 | "$basedir/nodes/$nodename/lxc", |
a1c08cfa DM |
140 | "$basedir/nodes/$nodename/qemu-server", |
141 | "$basedir/nodes/$nodename/openvz", | |
fe000966 | 142 | "$basedir/nodes/$nodename/priv"); |
c53b111f | 143 | |
fe000966 DM |
144 | foreach my $dir (@required_dirs) { |
145 | if (! -d $dir) { | |
62613060 | 146 | mkdir($dir) || $! == EEXIST || die "unable to create directory '$dir' - $!\n"; |
fe000966 DM |
147 | } |
148 | } | |
149 | } | |
150 | ||
151 | sub gen_auth_key { | |
152 | ||
153 | return if -f "$authprivkeyfn"; | |
154 | ||
155 | check_cfs_is_mounted(); | |
156 | ||
62613060 | 157 | mkdir $authdir || $! == EEXIST || die "unable to create dir '$authdir' - $!\n"; |
fe000966 | 158 | |
2d899b19 | 159 | run_silent_cmd(['openssl', 'genrsa', '-out', $authprivkeyfn, '2048']); |
fe000966 | 160 | |
de4b4155 | 161 | run_silent_cmd(['openssl', 'rsa', '-in', $authprivkeyfn, '-pubout', '-out', $authpubkeyfn]); |
fe000966 DM |
162 | } |
163 | ||
164 | sub gen_pveca_key { | |
165 | ||
166 | return if -f $pveca_key_fn; | |
167 | ||
168 | eval { | |
147661a8 | 169 | run_silent_cmd(['openssl', 'genrsa', '-out', $pveca_key_fn, '4096']); |
fe000966 DM |
170 | }; |
171 | ||
172 | die "unable to generate pve ca key:\n$@" if $@; | |
173 | } | |
174 | ||
175 | sub gen_pveca_cert { | |
176 | ||
177 | if (-f $pveca_key_fn && -f $pveca_cert_fn) { | |
178 | return 0; | |
179 | } | |
180 | ||
181 | gen_pveca_key(); | |
182 | ||
183 | # we try to generate an unique 'subject' to avoid browser problems | |
184 | # (reused serial numbers, ..) | |
ed8eb70d FG |
185 | my $uuid; |
186 | UUID::generate($uuid); | |
187 | my $uuid_str; | |
188 | UUID::unparse($uuid, $uuid_str); | |
fe000966 DM |
189 | |
190 | eval { | |
f5566fc6 FG |
191 | # wrap openssl with faketime to prevent bug #904 |
192 | run_silent_cmd(['faketime', 'yesterday', 'openssl', 'req', '-batch', | |
193 | '-days', '3650', '-new', '-x509', '-nodes', '-key', | |
fe000966 | 194 | $pveca_key_fn, '-out', $pveca_cert_fn, '-subj', |
ed8eb70d | 195 | "/CN=Proxmox Virtual Environment/OU=$uuid_str/O=PVE Cluster Manager CA/"]); |
fe000966 DM |
196 | }; |
197 | ||
198 | die "generating pve root certificate failed:\n$@" if $@; | |
199 | ||
200 | return 1; | |
201 | } | |
202 | ||
203 | sub gen_pve_ssl_key { | |
204 | my ($nodename) = @_; | |
205 | ||
206 | die "no node name specified" if !$nodename; | |
207 | ||
208 | my $pvessl_key_fn = "$basedir/nodes/$nodename/pve-ssl.key"; | |
209 | ||
210 | return if -f $pvessl_key_fn; | |
211 | ||
212 | eval { | |
213 | run_silent_cmd(['openssl', 'genrsa', '-out', $pvessl_key_fn, '2048']); | |
214 | }; | |
215 | ||
216 | die "unable to generate pve ssl key for node '$nodename':\n$@" if $@; | |
217 | } | |
218 | ||
219 | sub gen_pve_www_key { | |
220 | ||
221 | return if -f $pvewww_key_fn; | |
222 | ||
223 | eval { | |
224 | run_silent_cmd(['openssl', 'genrsa', '-out', $pvewww_key_fn, '2048']); | |
225 | }; | |
226 | ||
227 | die "unable to generate pve www key:\n$@" if $@; | |
228 | } | |
229 | ||
230 | sub update_serial { | |
231 | my ($serial) = @_; | |
232 | ||
233 | PVE::Tools::file_set_contents($pveca_srl_fn, $serial); | |
234 | } | |
235 | ||
236 | sub gen_pve_ssl_cert { | |
237 | my ($force, $nodename, $ip) = @_; | |
238 | ||
239 | die "no node name specified" if !$nodename; | |
240 | die "no IP specified" if !$ip; | |
241 | ||
242 | my $pvessl_cert_fn = "$basedir/nodes/$nodename/pve-ssl.pem"; | |
243 | ||
244 | return if !$force && -f $pvessl_cert_fn; | |
245 | ||
8acde170 | 246 | my $names = "IP:127.0.0.1,IP:::1,DNS:localhost"; |
fe000966 DM |
247 | |
248 | my $rc = PVE::INotify::read_file('resolvconf'); | |
249 | ||
250 | $names .= ",IP:$ip"; | |
c53b111f | 251 | |
fe000966 DM |
252 | my $fqdn = $nodename; |
253 | ||
254 | $names .= ",DNS:$nodename"; | |
255 | ||
256 | if ($rc && $rc->{search}) { | |
257 | $fqdn = $nodename . "." . $rc->{search}; | |
258 | $names .= ",DNS:$fqdn"; | |
259 | } | |
260 | ||
261 | my $sslconf = <<__EOD; | |
262 | RANDFILE = /root/.rnd | |
263 | extensions = v3_req | |
264 | ||
265 | [ req ] | |
266 | default_bits = 2048 | |
267 | distinguished_name = req_distinguished_name | |
268 | req_extensions = v3_req | |
269 | prompt = no | |
270 | string_mask = nombstr | |
271 | ||
272 | [ req_distinguished_name ] | |
273 | organizationalUnitName = PVE Cluster Node | |
274 | organizationName = Proxmox Virtual Environment | |
275 | commonName = $fqdn | |
276 | ||
277 | [ v3_req ] | |
278 | basicConstraints = CA:FALSE | |
e544d064 | 279 | extendedKeyUsage = serverAuth |
fe000966 DM |
280 | subjectAltName = $names |
281 | __EOD | |
282 | ||
283 | my $cfgfn = "/tmp/pvesslconf-$$.tmp"; | |
284 | my $fh = IO::File->new ($cfgfn, "w"); | |
285 | print $fh $sslconf; | |
286 | close ($fh); | |
287 | ||
288 | my $reqfn = "/tmp/pvecertreq-$$.tmp"; | |
289 | unlink $reqfn; | |
290 | ||
291 | my $pvessl_key_fn = "$basedir/nodes/$nodename/pve-ssl.key"; | |
292 | eval { | |
293 | run_silent_cmd(['openssl', 'req', '-batch', '-new', '-config', $cfgfn, | |
294 | '-key', $pvessl_key_fn, '-out', $reqfn]); | |
295 | }; | |
296 | ||
297 | if (my $err = $@) { | |
298 | unlink $reqfn; | |
299 | unlink $cfgfn; | |
300 | die "unable to generate pve certificate request:\n$err"; | |
301 | } | |
302 | ||
303 | update_serial("0000000000000000") if ! -f $pveca_srl_fn; | |
304 | ||
305 | eval { | |
f5566fc6 FG |
306 | # wrap openssl with faketime to prevent bug #904 |
307 | run_silent_cmd(['faketime', 'yesterday', 'openssl', 'x509', '-req', | |
308 | '-in', $reqfn, '-days', '3650', '-out', $pvessl_cert_fn, | |
309 | '-CAkey', $pveca_key_fn, '-CA', $pveca_cert_fn, | |
310 | '-CAserial', $pveca_srl_fn, '-extfile', $cfgfn]); | |
fe000966 DM |
311 | }; |
312 | ||
313 | if (my $err = $@) { | |
314 | unlink $reqfn; | |
315 | unlink $cfgfn; | |
316 | die "unable to generate pve ssl certificate:\n$err"; | |
317 | } | |
318 | ||
319 | unlink $cfgfn; | |
320 | unlink $reqfn; | |
321 | } | |
322 | ||
323 | sub gen_pve_node_files { | |
324 | my ($nodename, $ip, $opt_force) = @_; | |
325 | ||
326 | gen_local_dirs($nodename); | |
327 | ||
328 | gen_auth_key(); | |
329 | ||
330 | # make sure we have a (cluster wide) secret | |
331 | # for CSRFR prevention | |
332 | gen_pve_www_key(); | |
333 | ||
334 | # make sure we have a (per node) private key | |
335 | gen_pve_ssl_key($nodename); | |
336 | ||
337 | # make sure we have a CA | |
338 | my $force = gen_pveca_cert(); | |
339 | ||
340 | $force = 1 if $opt_force; | |
341 | ||
342 | gen_pve_ssl_cert($force, $nodename, $ip); | |
343 | } | |
344 | ||
bd0ae7ff DM |
345 | my $vzdump_cron_dummy = <<__EOD; |
346 | # cluster wide vzdump cron schedule | |
347 | # Atomatically generated file - do not edit | |
348 | ||
349 | PATH="/usr/sbin:/usr/bin:/sbin:/bin" | |
350 | ||
351 | __EOD | |
352 | ||
353 | sub gen_pve_vzdump_symlink { | |
354 | ||
e1735a61 | 355 | my $filename = "/etc/pve/vzdump.cron"; |
bd0ae7ff DM |
356 | |
357 | my $link_fn = "/etc/cron.d/vzdump"; | |
358 | ||
359 | if ((-f $filename) && (! -l $link_fn)) { | |
360 | rename($link_fn, "/root/etc_cron_vzdump.org"); # make backup if file exists | |
361 | symlink($filename, $link_fn); | |
362 | } | |
363 | } | |
364 | ||
365 | sub gen_pve_vzdump_files { | |
366 | ||
e1735a61 | 367 | my $filename = "/etc/pve/vzdump.cron"; |
bd0ae7ff DM |
368 | |
369 | PVE::Tools::file_set_contents($filename, $vzdump_cron_dummy) | |
370 | if ! -f $filename; | |
371 | ||
372 | gen_pve_vzdump_symlink(); | |
373 | }; | |
374 | ||
fe000966 DM |
375 | my $versions = {}; |
376 | my $vmlist = {}; | |
377 | my $clinfo = {}; | |
378 | ||
379 | my $ipcc_send_rec = sub { | |
380 | my ($msgid, $data) = @_; | |
381 | ||
382 | my $res = PVE::IPCC::ipcc_send_rec($msgid, $data); | |
383 | ||
dd856b4d | 384 | die "ipcc_send_rec[$msgid] failed: $!\n" if !defined($res) && ($! != 0); |
fe000966 DM |
385 | |
386 | return $res; | |
387 | }; | |
388 | ||
389 | my $ipcc_send_rec_json = sub { | |
390 | my ($msgid, $data) = @_; | |
391 | ||
392 | my $res = PVE::IPCC::ipcc_send_rec($msgid, $data); | |
393 | ||
dd856b4d | 394 | die "ipcc_send_rec[$msgid] failed: $!\n" if !defined($res) && ($! != 0); |
fe000966 DM |
395 | |
396 | return decode_json($res); | |
397 | }; | |
398 | ||
399 | my $ipcc_get_config = sub { | |
400 | my ($path) = @_; | |
401 | ||
402 | my $bindata = pack "Z*", $path; | |
2db32d95 DM |
403 | my $res = PVE::IPCC::ipcc_send_rec(6, $bindata); |
404 | if (!defined($res)) { | |
7bac9ca5 WB |
405 | if ($! != 0) { |
406 | return undef if $! == ENOENT; | |
407 | die "$!\n"; | |
408 | } | |
2db32d95 DM |
409 | return ''; |
410 | } | |
411 | ||
412 | return $res; | |
fe000966 DM |
413 | }; |
414 | ||
415 | my $ipcc_get_status = sub { | |
416 | my ($name, $nodename) = @_; | |
417 | ||
418 | my $bindata = pack "Z[256]Z[256]", $name, ($nodename || ""); | |
419 | return PVE::IPCC::ipcc_send_rec(5, $bindata); | |
420 | }; | |
421 | ||
422 | my $ipcc_update_status = sub { | |
423 | my ($name, $data) = @_; | |
424 | ||
425 | my $raw = ref($data) ? encode_json($data) : $data; | |
426 | # update status | |
427 | my $bindata = pack "Z[256]Z*", $name, $raw; | |
428 | ||
429 | return &$ipcc_send_rec(4, $bindata); | |
430 | }; | |
431 | ||
432 | my $ipcc_log = sub { | |
433 | my ($priority, $ident, $tag, $msg) = @_; | |
434 | ||
435 | my $bindata = pack "CCCZ*Z*Z*", $priority, bytes::length($ident) + 1, | |
436 | bytes::length($tag) + 1, $ident, $tag, $msg; | |
437 | ||
438 | return &$ipcc_send_rec(7, $bindata); | |
439 | }; | |
440 | ||
441 | my $ipcc_get_cluster_log = sub { | |
442 | my ($user, $max) = @_; | |
443 | ||
444 | $max = 0 if !defined($max); | |
445 | ||
446 | my $bindata = pack "VVVVZ*", $max, 0, 0, 0, ($user || ""); | |
447 | return &$ipcc_send_rec(8, $bindata); | |
448 | }; | |
449 | ||
450 | my $ccache = {}; | |
451 | ||
452 | sub cfs_update { | |
686801e4 | 453 | my ($fail) = @_; |
fe000966 DM |
454 | eval { |
455 | my $res = &$ipcc_send_rec_json(1); | |
456 | #warn "GOT1: " . Dumper($res); | |
457 | die "no starttime\n" if !$res->{starttime}; | |
458 | ||
459 | if (!$res->{starttime} || !$versions->{starttime} || | |
460 | $res->{starttime} != $versions->{starttime}) { | |
461 | #print "detected changed starttime\n"; | |
462 | $vmlist = {}; | |
463 | $clinfo = {}; | |
464 | $ccache = {}; | |
465 | } | |
466 | ||
467 | $versions = $res; | |
468 | }; | |
469 | my $err = $@; | |
470 | if ($err) { | |
471 | $versions = {}; | |
472 | $vmlist = {}; | |
473 | $clinfo = {}; | |
474 | $ccache = {}; | |
686801e4 | 475 | die $err if $fail; |
fe000966 DM |
476 | warn $err; |
477 | } | |
478 | ||
479 | eval { | |
480 | if (!$clinfo->{version} || $clinfo->{version} != $versions->{clinfo}) { | |
481 | #warn "detected new clinfo\n"; | |
482 | $clinfo = &$ipcc_send_rec_json(2); | |
483 | } | |
484 | }; | |
485 | $err = $@; | |
486 | if ($err) { | |
487 | $clinfo = {}; | |
686801e4 | 488 | die $err if $fail; |
fe000966 DM |
489 | warn $err; |
490 | } | |
491 | ||
492 | eval { | |
493 | if (!$vmlist->{version} || $vmlist->{version} != $versions->{vmlist}) { | |
494 | #warn "detected new vmlist1\n"; | |
495 | $vmlist = &$ipcc_send_rec_json(3); | |
496 | } | |
497 | }; | |
498 | $err = $@; | |
499 | if ($err) { | |
500 | $vmlist = {}; | |
686801e4 | 501 | die $err if $fail; |
fe000966 DM |
502 | warn $err; |
503 | } | |
504 | } | |
505 | ||
506 | sub get_vmlist { | |
507 | return $vmlist; | |
508 | } | |
509 | ||
510 | sub get_clinfo { | |
511 | return $clinfo; | |
512 | } | |
513 | ||
9ddd4ae9 DM |
514 | sub get_members { |
515 | return $clinfo->{nodelist}; | |
516 | } | |
517 | ||
fe000966 DM |
518 | sub get_nodelist { |
519 | ||
520 | my $nodelist = $clinfo->{nodelist}; | |
521 | ||
522 | my $result = []; | |
523 | ||
524 | my $nodename = PVE::INotify::nodename(); | |
525 | ||
526 | if (!$nodelist || !$nodelist->{$nodename}) { | |
527 | return [ $nodename ]; | |
528 | } | |
529 | ||
530 | return [ keys %$nodelist ]; | |
531 | } | |
532 | ||
1b36b6b1 | 533 | # $data must be a chronological descending ordered array of tasks |
fe000966 DM |
534 | sub broadcast_tasklist { |
535 | my ($data) = @_; | |
536 | ||
1b36b6b1 TL |
537 | # the serialized list may not get bigger than 32kb (CFS_MAX_STATUS_SIZE |
538 | # from pmxcfs) - drop older items until we satisfy this constraint | |
539 | my $size = length(encode_json($data)); | |
540 | while ($size >= (32 * 1024)) { | |
541 | pop @$data; | |
542 | $size = length(encode_json($data)); | |
543 | } | |
544 | ||
fe000966 DM |
545 | eval { |
546 | &$ipcc_update_status("tasklist", $data); | |
547 | }; | |
548 | ||
549 | warn $@ if $@; | |
550 | } | |
551 | ||
552 | my $tasklistcache = {}; | |
553 | ||
554 | sub get_tasklist { | |
555 | my ($nodename) = @_; | |
556 | ||
557 | my $kvstore = $versions->{kvstore} || {}; | |
558 | ||
559 | my $nodelist = get_nodelist(); | |
560 | ||
561 | my $res = []; | |
562 | foreach my $node (@$nodelist) { | |
563 | next if $nodename && ($nodename ne $node); | |
564 | eval { | |
565 | my $ver = $kvstore->{$node}->{tasklist} if $kvstore->{$node}; | |
566 | my $cd = $tasklistcache->{$node}; | |
c53b111f | 567 | if (!$cd || !$ver || !$cd->{version} || |
cebe16ec | 568 | ($cd->{version} != $ver)) { |
fe000966 DM |
569 | my $raw = &$ipcc_get_status("tasklist", $node) || '[]'; |
570 | my $data = decode_json($raw); | |
571 | push @$res, @$data; | |
572 | $cd = $tasklistcache->{$node} = { | |
573 | data => $data, | |
574 | version => $ver, | |
575 | }; | |
576 | } elsif ($cd && $cd->{data}) { | |
577 | push @$res, @{$cd->{data}}; | |
578 | } | |
579 | }; | |
580 | my $err = $@; | |
581 | syslog('err', $err) if $err; | |
582 | } | |
583 | ||
584 | return $res; | |
585 | } | |
586 | ||
587 | sub broadcast_rrd { | |
588 | my ($rrdid, $data) = @_; | |
589 | ||
590 | eval { | |
591 | &$ipcc_update_status("rrd/$rrdid", $data); | |
592 | }; | |
593 | my $err = $@; | |
594 | ||
595 | warn $err if $err; | |
596 | } | |
597 | ||
598 | my $last_rrd_dump = 0; | |
599 | my $last_rrd_data = ""; | |
600 | ||
601 | sub rrd_dump { | |
602 | ||
603 | my $ctime = time(); | |
604 | ||
605 | my $diff = $ctime - $last_rrd_dump; | |
606 | if ($diff < 2) { | |
607 | return $last_rrd_data; | |
608 | } | |
609 | ||
610 | my $raw; | |
611 | eval { | |
612 | $raw = &$ipcc_send_rec(10); | |
613 | }; | |
614 | my $err = $@; | |
615 | ||
616 | if ($err) { | |
617 | warn $err; | |
618 | return {}; | |
619 | } | |
620 | ||
621 | my $res = {}; | |
622 | ||
c3fabca7 DM |
623 | if ($raw) { |
624 | while ($raw =~ s/^(.*)\n//) { | |
625 | my ($key, @ela) = split(/:/, $1); | |
626 | next if !$key; | |
627 | next if !(scalar(@ela) > 1); | |
d2aae33e | 628 | $res->{$key} = [ map { $_ eq 'U' ? undef : $_ } @ela ]; |
c3fabca7 | 629 | } |
fe000966 DM |
630 | } |
631 | ||
632 | $last_rrd_dump = $ctime; | |
633 | $last_rrd_data = $res; | |
634 | ||
635 | return $res; | |
636 | } | |
637 | ||
638 | sub create_rrd_data { | |
639 | my ($rrdname, $timeframe, $cf) = @_; | |
640 | ||
641 | my $rrddir = "/var/lib/rrdcached/db"; | |
642 | ||
643 | my $rrd = "$rrddir/$rrdname"; | |
644 | ||
645 | my $setup = { | |
646 | hour => [ 60, 70 ], | |
647 | day => [ 60*30, 70 ], | |
648 | week => [ 60*180, 70 ], | |
649 | month => [ 60*720, 70 ], | |
650 | year => [ 60*10080, 70 ], | |
651 | }; | |
652 | ||
653 | my ($reso, $count) = @{$setup->{$timeframe}}; | |
654 | my $ctime = $reso*int(time()/$reso); | |
655 | my $req_start = $ctime - $reso*$count; | |
656 | ||
657 | $cf = "AVERAGE" if !$cf; | |
658 | ||
659 | my @args = ( | |
660 | "-s" => $req_start, | |
661 | "-e" => $ctime - 1, | |
662 | "-r" => $reso, | |
663 | ); | |
664 | ||
665 | my $socket = "/var/run/rrdcached.sock"; | |
666 | push @args, "--daemon" => "unix:$socket" if -S $socket; | |
667 | ||
668 | my ($start, $step, $names, $data) = RRDs::fetch($rrd, $cf, @args); | |
669 | ||
670 | my $err = RRDs::error; | |
671 | die "RRD error: $err\n" if $err; | |
c53b111f DM |
672 | |
673 | die "got wrong time resolution ($step != $reso)\n" | |
fe000966 DM |
674 | if $step != $reso; |
675 | ||
676 | my $res = []; | |
677 | my $fields = scalar(@$names); | |
678 | for my $line (@$data) { | |
679 | my $entry = { 'time' => $start }; | |
680 | $start += $step; | |
fe000966 DM |
681 | for (my $i = 0; $i < $fields; $i++) { |
682 | my $name = $names->[$i]; | |
683 | if (defined(my $val = $line->[$i])) { | |
684 | $entry->{$name} = $val; | |
685 | } else { | |
fba7c78c DC |
686 | # leave empty fields undefined |
687 | # maybe make this configurable? | |
fe000966 DM |
688 | } |
689 | } | |
fba7c78c | 690 | push @$res, $entry; |
fe000966 DM |
691 | } |
692 | ||
693 | return $res; | |
694 | } | |
695 | ||
696 | sub create_rrd_graph { | |
697 | my ($rrdname, $timeframe, $ds, $cf) = @_; | |
698 | ||
699 | # Using RRD graph is clumsy - maybe it | |
700 | # is better to simply fetch the data, and do all display | |
701 | # related things with javascript (new extjs html5 graph library). | |
c53b111f | 702 | |
fe000966 DM |
703 | my $rrddir = "/var/lib/rrdcached/db"; |
704 | ||
705 | my $rrd = "$rrddir/$rrdname"; | |
706 | ||
31938ad4 DM |
707 | my @ids = PVE::Tools::split_list($ds); |
708 | ||
709 | my $ds_txt = join('_', @ids); | |
710 | ||
711 | my $filename = "${rrd}_${ds_txt}.png"; | |
fe000966 DM |
712 | |
713 | my $setup = { | |
714 | hour => [ 60, 60 ], | |
715 | day => [ 60*30, 70 ], | |
716 | week => [ 60*180, 70 ], | |
717 | month => [ 60*720, 70 ], | |
718 | year => [ 60*10080, 70 ], | |
719 | }; | |
720 | ||
721 | my ($reso, $count) = @{$setup->{$timeframe}}; | |
722 | ||
723 | my @args = ( | |
724 | "--imgformat" => "PNG", | |
725 | "--border" => 0, | |
726 | "--height" => 200, | |
727 | "--width" => 800, | |
728 | "--start" => - $reso*$count, | |
729 | "--end" => 'now' , | |
8daa8f04 | 730 | "--lower-limit" => 0, |
fe000966 DM |
731 | ); |
732 | ||
733 | my $socket = "/var/run/rrdcached.sock"; | |
734 | push @args, "--daemon" => "unix:$socket" if -S $socket; | |
735 | ||
fe000966 DM |
736 | my @coldef = ('#00ddff', '#ff0000'); |
737 | ||
738 | $cf = "AVERAGE" if !$cf; | |
739 | ||
740 | my $i = 0; | |
741 | foreach my $id (@ids) { | |
742 | my $col = $coldef[$i++] || die "fixme: no color definition"; | |
743 | push @args, "DEF:${id}=$rrd:${id}:$cf"; | |
744 | my $dataid = $id; | |
745 | if ($id eq 'cpu' || $id eq 'iowait') { | |
746 | push @args, "CDEF:${id}_per=${id},100,*"; | |
747 | $dataid = "${id}_per"; | |
748 | } | |
749 | push @args, "LINE2:${dataid}${col}:${id}"; | |
750 | } | |
751 | ||
a665376e DM |
752 | push @args, '--full-size-mode'; |
753 | ||
31938ad4 | 754 | # we do not really store data into the file |
f7baa598 | 755 | my $res = RRDs::graphv('-', @args); |
fe000966 DM |
756 | |
757 | my $err = RRDs::error; | |
758 | die "RRD error: $err\n" if $err; | |
759 | ||
31938ad4 | 760 | return { filename => $filename, image => $res->{image} }; |
fe000966 DM |
761 | } |
762 | ||
763 | # a fast way to read files (avoid fuse overhead) | |
764 | sub get_config { | |
765 | my ($path) = @_; | |
766 | ||
d3a92ba7 | 767 | return &$ipcc_get_config($path); |
fe000966 DM |
768 | } |
769 | ||
770 | sub get_cluster_log { | |
771 | my ($user, $max) = @_; | |
772 | ||
773 | return &$ipcc_get_cluster_log($user, $max); | |
774 | } | |
775 | ||
776 | my $file_info = {}; | |
777 | ||
778 | sub cfs_register_file { | |
779 | my ($filename, $parser, $writer) = @_; | |
780 | ||
781 | $observed->{$filename} || die "unknown file '$filename'"; | |
782 | ||
783 | die "file '$filename' already registered" if $file_info->{$filename}; | |
784 | ||
785 | $file_info->{$filename} = { | |
786 | parser => $parser, | |
787 | writer => $writer, | |
788 | }; | |
789 | } | |
790 | ||
791 | my $ccache_read = sub { | |
792 | my ($filename, $parser, $version) = @_; | |
793 | ||
794 | $ccache->{$filename} = {} if !$ccache->{$filename}; | |
795 | ||
796 | my $ci = $ccache->{$filename}; | |
797 | ||
d3a92ba7 DM |
798 | if (!$ci->{version} || !$version || $ci->{version} != $version) { |
799 | # we always call the parser, even when the file does not exists | |
800 | # (in that case $data is undef) | |
fe000966 | 801 | my $data = get_config($filename); |
fe000966 DM |
802 | $ci->{data} = &$parser("/etc/pve/$filename", $data); |
803 | $ci->{version} = $version; | |
804 | } | |
805 | ||
806 | my $res = ref($ci->{data}) ? dclone($ci->{data}) : $ci->{data}; | |
807 | ||
808 | return $res; | |
809 | }; | |
810 | ||
811 | sub cfs_file_version { | |
812 | my ($filename) = @_; | |
813 | ||
814 | my $version; | |
815 | my $infotag; | |
6e73d5c2 | 816 | if ($filename =~ m!^nodes/[^/]+/(openvz|lxc|qemu-server)/(\d+)\.conf$!) { |
f71eee41 | 817 | my ($type, $vmid) = ($1, $2); |
fe000966 DM |
818 | if ($vmlist && $vmlist->{ids} && $vmlist->{ids}->{$vmid}) { |
819 | $version = $vmlist->{ids}->{$vmid}->{version}; | |
820 | } | |
f71eee41 | 821 | $infotag = "/$type/"; |
fe000966 DM |
822 | } else { |
823 | $infotag = $filename; | |
824 | $version = $versions->{$filename}; | |
825 | } | |
826 | ||
827 | my $info = $file_info->{$infotag} || | |
828 | die "unknown file type '$filename'\n"; | |
829 | ||
830 | return wantarray ? ($version, $info) : $version; | |
831 | } | |
832 | ||
833 | sub cfs_read_file { | |
834 | my ($filename) = @_; | |
835 | ||
c53b111f | 836 | my ($version, $info) = cfs_file_version($filename); |
fe000966 DM |
837 | my $parser = $info->{parser}; |
838 | ||
839 | return &$ccache_read($filename, $parser, $version); | |
840 | } | |
841 | ||
842 | sub cfs_write_file { | |
843 | my ($filename, $data) = @_; | |
844 | ||
c53b111f | 845 | my ($version, $info) = cfs_file_version($filename); |
fe000966 DM |
846 | |
847 | my $writer = $info->{writer} || die "no writer defined"; | |
848 | ||
849 | my $fsname = "/etc/pve/$filename"; | |
850 | ||
851 | my $raw = &$writer($fsname, $data); | |
852 | ||
853 | if (my $ci = $ccache->{$filename}) { | |
854 | $ci->{version} = undef; | |
855 | } | |
856 | ||
857 | PVE::Tools::file_set_contents($fsname, $raw); | |
858 | } | |
859 | ||
860 | my $cfs_lock = sub { | |
861 | my ($lockid, $timeout, $code, @param) = @_; | |
862 | ||
00ea8428 TL |
863 | my $prev_alarm = alarm(0); # suspend outer alarm early |
864 | ||
fe000966 | 865 | my $res; |
bcdb1b3a | 866 | my $got_lock = 0; |
fe000966 DM |
867 | |
868 | # this timeout is for aquire the lock | |
869 | $timeout = 10 if !$timeout; | |
870 | ||
871 | my $filename = "$lockdir/$lockid"; | |
872 | ||
fe000966 DM |
873 | eval { |
874 | ||
875 | mkdir $lockdir; | |
876 | ||
877 | if (! -d $lockdir) { | |
6e13e20a | 878 | die "pve cluster filesystem not online.\n"; |
fe000966 DM |
879 | } |
880 | ||
6e13e20a | 881 | my $timeout_err = sub { die "got lock request timeout\n"; }; |
bcdb1b3a | 882 | local $SIG{ALRM} = $timeout_err; |
fe000966 | 883 | |
bcdb1b3a TL |
884 | while (1) { |
885 | alarm ($timeout); | |
886 | $got_lock = mkdir($filename); | |
3fb23b5b | 887 | $timeout = alarm(0) - 1; # we'll sleep for 1s, see down below |
bcdb1b3a TL |
888 | |
889 | last if $got_lock; | |
890 | ||
3fb23b5b | 891 | $timeout_err->() if $timeout <= 0; |
fe000966 | 892 | |
fe000966 | 893 | print STDERR "trying to aquire cfs lock '$lockid' ..."; |
bcdb1b3a TL |
894 | utime (0, 0, $filename); # cfs unlock request |
895 | sleep(1); | |
fe000966 DM |
896 | } |
897 | ||
898 | # fixed command timeout: cfs locks have a timeout of 120 | |
899 | # using 60 gives us another 60 seconds to abort the task | |
fe000966 | 900 | local $SIG{ALRM} = sub { die "got lock timeout - aborting command\n"; }; |
00ea8428 | 901 | alarm(60); |
fe000966 | 902 | |
9c206b2b DM |
903 | cfs_update(); # make sure we read latest versions inside code() |
904 | ||
fe000966 DM |
905 | $res = &$code(@param); |
906 | ||
907 | alarm(0); | |
908 | }; | |
909 | ||
910 | my $err = $@; | |
911 | ||
6e13e20a | 912 | $err = "no quorum!\n" if !$got_lock && !check_cfs_quorum(1); |
fe000966 | 913 | |
96857ee4 | 914 | rmdir $filename if $got_lock; # if we held the lock always unlock again |
fe000966 | 915 | |
00ea8428 TL |
916 | alarm($prev_alarm); |
917 | ||
fe000966 | 918 | if ($err) { |
6e13e20a | 919 | $@ = "error with cfs lock '$lockid': $err"; |
fe000966 DM |
920 | return undef; |
921 | } | |
922 | ||
923 | $@ = undef; | |
924 | ||
925 | return $res; | |
926 | }; | |
927 | ||
928 | sub cfs_lock_file { | |
929 | my ($filename, $timeout, $code, @param) = @_; | |
930 | ||
931 | my $info = $observed->{$filename} || die "unknown file '$filename'"; | |
932 | ||
933 | my $lockid = "file-$filename"; | |
934 | $lockid =~ s/[.\/]/_/g; | |
935 | ||
936 | &$cfs_lock($lockid, $timeout, $code, @param); | |
937 | } | |
938 | ||
939 | sub cfs_lock_storage { | |
940 | my ($storeid, $timeout, $code, @param) = @_; | |
941 | ||
942 | my $lockid = "storage-$storeid"; | |
943 | ||
944 | &$cfs_lock($lockid, $timeout, $code, @param); | |
945 | } | |
946 | ||
78897707 TL |
947 | sub cfs_lock_domain { |
948 | my ($domainname, $timeout, $code, @param) = @_; | |
949 | ||
950 | my $lockid = "domain-$domainname"; | |
951 | ||
952 | &$cfs_lock($lockid, $timeout, $code, @param); | |
953 | } | |
954 | ||
fe000966 DM |
955 | my $log_levels = { |
956 | "emerg" => 0, | |
957 | "alert" => 1, | |
958 | "crit" => 2, | |
959 | "critical" => 2, | |
960 | "err" => 3, | |
961 | "error" => 3, | |
962 | "warn" => 4, | |
963 | "warning" => 4, | |
964 | "notice" => 5, | |
965 | "info" => 6, | |
966 | "debug" => 7, | |
967 | }; | |
968 | ||
969 | sub log_msg { | |
970 | my ($priority, $ident, $msg) = @_; | |
971 | ||
972 | if (my $tmp = $log_levels->{$priority}) { | |
973 | $priority = $tmp; | |
974 | } | |
975 | ||
976 | die "need numeric log priority" if $priority !~ /^\d+$/; | |
977 | ||
978 | my $tag = PVE::SafeSyslog::tag(); | |
979 | ||
980 | $msg = "empty message" if !$msg; | |
981 | ||
982 | $ident = "" if !$ident; | |
8f2d54ff | 983 | $ident = encode("ascii", $ident, |
fe000966 DM |
984 | sub { sprintf "\\u%04x", shift }); |
985 | ||
8f2d54ff | 986 | my $ascii = encode("ascii", $msg, sub { sprintf "\\u%04x", shift }); |
fe000966 DM |
987 | |
988 | if ($ident) { | |
989 | syslog($priority, "<%s> %s", $ident, $ascii); | |
990 | } else { | |
991 | syslog($priority, "%s", $ascii); | |
992 | } | |
993 | ||
994 | eval { &$ipcc_log($priority, $ident, $tag, $ascii); }; | |
995 | ||
996 | syslog("err", "writing cluster log failed: $@") if $@; | |
997 | } | |
998 | ||
9d76a1bb DM |
999 | sub check_vmid_unused { |
1000 | my ($vmid, $noerr) = @_; | |
c53b111f | 1001 | |
9d76a1bb DM |
1002 | my $vmlist = get_vmlist(); |
1003 | ||
1004 | my $d = $vmlist->{ids}->{$vmid}; | |
1005 | return 1 if !defined($d); | |
c53b111f | 1006 | |
9d76a1bb DM |
1007 | return undef if $noerr; |
1008 | ||
4f66b109 | 1009 | my $vmtypestr = $d->{type} eq 'qemu' ? 'VM' : 'CT'; |
e75ccbee | 1010 | die "$vmtypestr $vmid already exists on node '$d->{node}'\n"; |
9d76a1bb DM |
1011 | } |
1012 | ||
65ff467f DM |
1013 | sub check_node_exists { |
1014 | my ($nodename, $noerr) = @_; | |
1015 | ||
1016 | my $nodelist = $clinfo->{nodelist}; | |
1017 | return 1 if $nodelist && $nodelist->{$nodename}; | |
1018 | ||
1019 | return undef if $noerr; | |
1020 | ||
1021 | die "no such cluster node '$nodename'\n"; | |
1022 | } | |
1023 | ||
fe000966 DM |
1024 | # this is also used to get the IP of the local node |
1025 | sub remote_node_ip { | |
1026 | my ($nodename, $noerr) = @_; | |
1027 | ||
1028 | my $nodelist = $clinfo->{nodelist}; | |
1029 | if ($nodelist && $nodelist->{$nodename}) { | |
1030 | if (my $ip = $nodelist->{$nodename}->{ip}) { | |
fc31f517 WB |
1031 | return $ip if !wantarray; |
1032 | my $family = $nodelist->{$nodename}->{address_family}; | |
1033 | if (!$family) { | |
1034 | $nodelist->{$nodename}->{address_family} = | |
1035 | $family = | |
1036 | PVE::Tools::get_host_address_family($ip); | |
1037 | } | |
14830160 | 1038 | return wantarray ? ($ip, $family) : $ip; |
fe000966 DM |
1039 | } |
1040 | } | |
1041 | ||
1042 | # fallback: try to get IP by other means | |
e064c9b0 | 1043 | return PVE::Network::get_ip_from_hostname($nodename, $noerr); |
fe000966 DM |
1044 | } |
1045 | ||
54d487bf TL |
1046 | sub get_local_migration_ip { |
1047 | my ($migration_network, $noerr) = @_; | |
1048 | ||
1049 | my $cidr = $migration_network; | |
1050 | ||
1051 | if (!defined($cidr)) { | |
1052 | my $dc_conf = cfs_read_file('datacenter.cfg'); | |
1053 | $cidr = $dc_conf->{migration}->{network} | |
1054 | if defined($dc_conf->{migration}->{network}); | |
1055 | } | |
1056 | ||
1057 | if (defined($cidr)) { | |
1058 | my $ips = PVE::Network::get_local_ip_from_cidr($cidr); | |
1059 | ||
cb8c3bc6 TL |
1060 | die "could not get migration ip: no IP address configured on local " . |
1061 | "node for network '$cidr'\n" if !$noerr && (scalar(@$ips) == 0); | |
54d487bf | 1062 | |
cb8c3bc6 TL |
1063 | die "could not get migration ip: multiple IP address configured for " . |
1064 | "network '$cidr'\n" if !$noerr && (scalar(@$ips) > 1); | |
54d487bf TL |
1065 | |
1066 | return @$ips[0]; | |
1067 | } | |
1068 | ||
1069 | return undef; | |
1070 | }; | |
1071 | ||
fe000966 DM |
1072 | # ssh related utility functions |
1073 | ||
1074 | sub ssh_merge_keys { | |
1075 | # remove duplicate keys in $sshauthkeys | |
1076 | # ssh-copy-id simply add keys, so the file can grow to large | |
1077 | ||
1078 | my $data = ''; | |
1079 | if (-f $sshauthkeys) { | |
1080 | $data = PVE::Tools::file_get_contents($sshauthkeys, 128*1024); | |
1081 | chomp($data); | |
1082 | } | |
1083 | ||
6056578e DM |
1084 | my $found_backup; |
1085 | if (-f $rootsshauthkeysbackup) { | |
404343d7 | 1086 | $data .= "\n"; |
6056578e DM |
1087 | $data .= PVE::Tools::file_get_contents($rootsshauthkeysbackup, 128*1024); |
1088 | chomp($data); | |
1089 | $found_backup = 1; | |
1090 | } | |
1091 | ||
fe000966 DM |
1092 | # always add ourself |
1093 | if (-f $ssh_rsa_id) { | |
1094 | my $pub = PVE::Tools::file_get_contents($ssh_rsa_id); | |
1095 | chomp($pub); | |
1096 | $data .= "\n$pub\n"; | |
1097 | } | |
1098 | ||
1099 | my $newdata = ""; | |
1100 | my $vhash = {}; | |
2055b0a9 DM |
1101 | my @lines = split(/\n/, $data); |
1102 | foreach my $line (@lines) { | |
7eb37d8d SP |
1103 | if ($line !~ /^#/ && $line =~ m/(^|\s)ssh-(rsa|dsa)\s+(\S+)\s+\S+$/) { |
1104 | next if $vhash->{$3}++; | |
fe000966 | 1105 | } |
2055b0a9 | 1106 | $newdata .= "$line\n"; |
fe000966 | 1107 | } |
fe000966 DM |
1108 | |
1109 | PVE::Tools::file_set_contents($sshauthkeys, $newdata, 0600); | |
6056578e DM |
1110 | |
1111 | if ($found_backup && -l $rootsshauthkeys) { | |
1112 | # everything went well, so we can remove the backup | |
1113 | unlink $rootsshauthkeysbackup; | |
1114 | } | |
fe000966 DM |
1115 | } |
1116 | ||
ac50b36d | 1117 | sub setup_sshd_config { |
6c0e95b3 | 1118 | my ($start_sshd) = @_; |
ac50b36d DM |
1119 | |
1120 | my $conf = PVE::Tools::file_get_contents($sshd_config_fn); | |
c53b111f | 1121 | |
ac50b36d DM |
1122 | return if $conf =~ m/^PermitRootLogin\s+yes\s*$/m; |
1123 | ||
1124 | if ($conf !~ s/^#?PermitRootLogin.*$/PermitRootLogin yes/m) { | |
1125 | chomp $conf; | |
1126 | $conf .= "\nPermitRootLogin yes\n"; | |
c53b111f | 1127 | } |
ac50b36d DM |
1128 | |
1129 | PVE::Tools::file_set_contents($sshd_config_fn, $conf); | |
1130 | ||
6c0e95b3 DM |
1131 | my $cmd = $start_sshd ? 'reload-or-restart' : 'reload-or-try-restart'; |
1132 | PVE::Tools::run_command(['systemctl', $cmd, 'sshd']); | |
ac50b36d DM |
1133 | } |
1134 | ||
f666cdde SP |
1135 | sub setup_rootsshconfig { |
1136 | ||
39df71df DM |
1137 | # create ssh key if it does not exist |
1138 | if (! -f $ssh_rsa_id) { | |
1139 | mkdir '/root/.ssh/'; | |
1140 | system ("echo|ssh-keygen -t rsa -N '' -b 2048 -f ${ssh_rsa_id_priv}"); | |
1141 | } | |
1142 | ||
f666cdde SP |
1143 | # create ssh config if it does not exist |
1144 | if (! -f $rootsshconfig) { | |
9aabc24b DM |
1145 | mkdir '/root/.ssh'; |
1146 | if (my $fh = IO::File->new($rootsshconfig, O_CREAT|O_WRONLY|O_EXCL, 0640)) { | |
61fa3c34 FG |
1147 | # this is the default ciphers list from Debian's OpenSSH package (OpenSSH_7.4p1 Debian-10, OpenSSL 1.0.2k 26 Jan 2017) |
1148 | # changed order to put AES before Chacha20 (most hardware has AESNI) | |
4833829a | 1149 | print $fh "Ciphers aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm\@openssh.com,aes256-gcm\@openssh.com,chacha20-poly1305\@openssh.com\n"; |
f666cdde SP |
1150 | close($fh); |
1151 | } | |
1152 | } | |
1153 | } | |
1154 | ||
fe000966 DM |
1155 | sub setup_ssh_keys { |
1156 | ||
fe000966 DM |
1157 | mkdir $authdir; |
1158 | ||
6056578e DM |
1159 | my $import_ok; |
1160 | ||
fe000966 | 1161 | if (! -f $sshauthkeys) { |
6056578e DM |
1162 | my $old; |
1163 | if (-f $rootsshauthkeys) { | |
1164 | $old = PVE::Tools::file_get_contents($rootsshauthkeys, 128*1024); | |
1165 | } | |
fe000966 | 1166 | if (my $fh = IO::File->new ($sshauthkeys, O_CREAT|O_WRONLY|O_EXCL, 0400)) { |
6056578e | 1167 | PVE::Tools::safe_print($sshauthkeys, $fh, $old) if $old; |
fe000966 | 1168 | close($fh); |
6056578e | 1169 | $import_ok = 1; |
fe000966 DM |
1170 | } |
1171 | } | |
1172 | ||
c53b111f | 1173 | warn "can't create shared ssh key database '$sshauthkeys'\n" |
fe000966 DM |
1174 | if ! -f $sshauthkeys; |
1175 | ||
404343d7 | 1176 | if (-f $rootsshauthkeys && ! -l $rootsshauthkeys) { |
6056578e DM |
1177 | if (!rename($rootsshauthkeys , $rootsshauthkeysbackup)) { |
1178 | warn "rename $rootsshauthkeys failed - $!\n"; | |
1179 | } | |
fe000966 DM |
1180 | } |
1181 | ||
1182 | if (! -l $rootsshauthkeys) { | |
1183 | symlink $sshauthkeys, $rootsshauthkeys; | |
1184 | } | |
fe000966 | 1185 | |
6056578e DM |
1186 | if (! -l $rootsshauthkeys) { |
1187 | warn "can't create symlink for ssh keys '$rootsshauthkeys' -> '$sshauthkeys'\n"; | |
1188 | } else { | |
1189 | unlink $rootsshauthkeysbackup if $import_ok; | |
1190 | } | |
fe000966 DM |
1191 | } |
1192 | ||
1193 | sub ssh_unmerge_known_hosts { | |
1194 | return if ! -l $sshglobalknownhosts; | |
1195 | ||
1196 | my $old = ''; | |
1197 | $old = PVE::Tools::file_get_contents($sshknownhosts, 128*1024) | |
1198 | if -f $sshknownhosts; | |
1199 | ||
1200 | PVE::Tools::file_set_contents($sshglobalknownhosts, $old); | |
1201 | } | |
1202 | ||
1203 | sub ssh_merge_known_hosts { | |
1204 | my ($nodename, $ip_address, $createLink) = @_; | |
1205 | ||
1206 | die "no node name specified" if !$nodename; | |
1207 | die "no ip address specified" if !$ip_address; | |
c53b111f | 1208 | |
e4f92a20 TL |
1209 | # ssh lowercases hostnames (aliases) before comparision, so we need too |
1210 | $nodename = lc($nodename); | |
1211 | $ip_address = lc($ip_address); | |
1212 | ||
fe000966 DM |
1213 | mkdir $authdir; |
1214 | ||
1215 | if (! -f $sshknownhosts) { | |
1216 | if (my $fh = IO::File->new($sshknownhosts, O_CREAT|O_WRONLY|O_EXCL, 0600)) { | |
1217 | close($fh); | |
1218 | } | |
1219 | } | |
1220 | ||
c53b111f DM |
1221 | my $old = PVE::Tools::file_get_contents($sshknownhosts, 128*1024); |
1222 | ||
fe000966 | 1223 | my $new = ''; |
c53b111f | 1224 | |
fe000966 DM |
1225 | if ((! -l $sshglobalknownhosts) && (-f $sshglobalknownhosts)) { |
1226 | $new = PVE::Tools::file_get_contents($sshglobalknownhosts, 128*1024); | |
1227 | } | |
1228 | ||
1229 | my $hostkey = PVE::Tools::file_get_contents($ssh_host_rsa_id); | |
1d182ad3 DM |
1230 | # Note: file sometimes containe emty lines at start, so we use multiline match |
1231 | die "can't parse $ssh_host_rsa_id" if $hostkey !~ m/^(ssh-rsa\s\S+)(\s.*)?$/m; | |
fe000966 DM |
1232 | $hostkey = $1; |
1233 | ||
1234 | my $data = ''; | |
1235 | my $vhash = {}; | |
1236 | ||
1237 | my $found_nodename; | |
1238 | my $found_local_ip; | |
1239 | ||
1240 | my $merge_line = sub { | |
1241 | my ($line, $all) = @_; | |
1242 | ||
53922f63 TL |
1243 | return if $line =~ m/^\s*$/; # skip empty lines |
1244 | return if $line =~ m/^#/; # skip comments | |
1245 | ||
fe000966 DM |
1246 | if ($line =~ m/^(\S+)\s(ssh-rsa\s\S+)(\s.*)?$/) { |
1247 | my $key = $1; | |
1248 | my $rsakey = $2; | |
1249 | if (!$vhash->{$key}) { | |
1250 | $vhash->{$key} = 1; | |
1251 | if ($key =~ m/\|1\|([^\|\s]+)\|([^\|\s]+)$/) { | |
1252 | my $salt = decode_base64($1); | |
1253 | my $digest = $2; | |
1254 | my $hmac = Digest::HMAC_SHA1->new($salt); | |
1255 | $hmac->add($nodename); | |
1256 | my $hd = $hmac->b64digest . '='; | |
1257 | if ($digest eq $hd) { | |
1258 | if ($rsakey eq $hostkey) { | |
1259 | $found_nodename = 1; | |
1260 | $data .= $line; | |
1261 | } | |
1262 | return; | |
1263 | } | |
1264 | $hmac = Digest::HMAC_SHA1->new($salt); | |
1265 | $hmac->add($ip_address); | |
1266 | $hd = $hmac->b64digest . '='; | |
1267 | if ($digest eq $hd) { | |
1268 | if ($rsakey eq $hostkey) { | |
1269 | $found_local_ip = 1; | |
1270 | $data .= $line; | |
1271 | } | |
1272 | return; | |
1273 | } | |
e4f92a20 TL |
1274 | } else { |
1275 | $key = lc($key); # avoid duplicate entries, ssh compares lowercased | |
1276 | if ($key eq $ip_address) { | |
fe129500 | 1277 | $found_local_ip = 1 if $rsakey eq $hostkey; |
e4f92a20 | 1278 | } elsif ($key eq $nodename) { |
fe129500 | 1279 | $found_nodename = 1 if $rsakey eq $hostkey; |
e4f92a20 | 1280 | } |
fe000966 DM |
1281 | } |
1282 | $data .= $line; | |
1283 | } | |
1284 | } elsif ($all) { | |
1285 | $data .= $line; | |
1286 | } | |
1287 | }; | |
1288 | ||
1289 | while ($old && $old =~ s/^((.*?)(\n|$))//) { | |
1290 | my $line = "$2\n"; | |
fe000966 DM |
1291 | &$merge_line($line, 1); |
1292 | } | |
1293 | ||
1294 | while ($new && $new =~ s/^((.*?)(\n|$))//) { | |
1295 | my $line = "$2\n"; | |
fe000966 DM |
1296 | &$merge_line($line); |
1297 | } | |
1298 | ||
53922f63 TL |
1299 | # add our own key if not already there |
1300 | $data .= "$nodename $hostkey\n" if !$found_nodename; | |
1301 | $data .= "$ip_address $hostkey\n" if !$found_local_ip; | |
fe000966 DM |
1302 | |
1303 | PVE::Tools::file_set_contents($sshknownhosts, $data); | |
1304 | ||
1305 | return if !$createLink; | |
1306 | ||
1307 | unlink $sshglobalknownhosts; | |
1308 | symlink $sshknownhosts, $sshglobalknownhosts; | |
c53b111f DM |
1309 | |
1310 | warn "can't create symlink for ssh known hosts '$sshglobalknownhosts' -> '$sshknownhosts'\n" | |
fe000966 DM |
1311 | if ! -l $sshglobalknownhosts; |
1312 | ||
1313 | } | |
1314 | ||
bba12ad7 TL |
1315 | my $migration_format = { |
1316 | type => { | |
1317 | default_key => 1, | |
1318 | type => 'string', | |
1319 | enum => ['secure', 'insecure'], | |
1320 | description => "Migration traffic is encrypted using an SSH tunnel by " . | |
1321 | "default. On secure, completely private networks this can be " . | |
1322 | "disabled to increase performance.", | |
1323 | default => 'secure', | |
bba12ad7 TL |
1324 | }, |
1325 | network => { | |
1326 | optional => 1, | |
1327 | type => 'string', format => 'CIDR', | |
1328 | format_description => 'CIDR', | |
1329 | description => "CIDR of the (sub) network that is used for migration." | |
1330 | }, | |
1331 | }; | |
1332 | ||
fe000966 DM |
1333 | my $datacenter_schema = { |
1334 | type => "object", | |
1335 | additionalProperties => 0, | |
1336 | properties => { | |
1337 | keyboard => { | |
1338 | optional => 1, | |
1339 | type => 'string', | |
1340 | description => "Default keybord layout for vnc server.", | |
c59334cb | 1341 | enum => PVE::Tools::kvmkeymaplist(), |
fe000966 DM |
1342 | }, |
1343 | language => { | |
1344 | optional => 1, | |
1345 | type => 'string', | |
1346 | description => "Default GUI language.", | |
1347 | enum => [ 'en', 'de' ], | |
1348 | }, | |
1349 | http_proxy => { | |
1350 | optional => 1, | |
1351 | type => 'string', | |
1352 | description => "Specify external http proxy which is used for downloads (example: 'http://username:password\@host:port/')", | |
1353 | pattern => "http://.*", | |
1354 | }, | |
a9323ef0 SP |
1355 | migration_unsecure => { |
1356 | optional => 1, | |
1357 | type => 'boolean', | |
bba12ad7 TL |
1358 | description => "Migration is secure using SSH tunnel by default. " . |
1359 | "For secure private networks you can disable it to speed up " . | |
1360 | "migration. Deprecated, use the 'migration' property instead!", | |
1361 | }, | |
1362 | migration => { | |
1363 | optional => 1, | |
1364 | type => 'string', format => $migration_format, | |
1365 | description => "For cluster wide migration settings.", | |
a9323ef0 | 1366 | }, |
dce47328 DM |
1367 | console => { |
1368 | optional => 1, | |
1369 | type => 'string', | |
66a15f27 DM |
1370 | 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).", |
1371 | enum => ['applet', 'vv', 'html5'], | |
dce47328 | 1372 | }, |
8548bd87 SGE |
1373 | email_from => { |
1374 | optional => 1, | |
1375 | type => 'string', | |
a05baf53 | 1376 | format => 'email-opt', |
8548bd87 SGE |
1377 | description => "Specify email address to send notification from (default is root@\$hostname)", |
1378 | }, | |
66c2b1e9 TL |
1379 | max_workers => { |
1380 | optional => 1, | |
1381 | type => 'integer', | |
1382 | minimum => 1, | |
1383 | description => "Defines how many workers (per node) are maximal started ". | |
1384 | " on actions like 'stopall VMs' or task from the ha-manager.", | |
1385 | }, | |
8d762bd6 TL |
1386 | fencing => { |
1387 | optional => 1, | |
1388 | type => 'string', | |
1389 | default => 'watchdog', | |
1390 | enum => [ 'watchdog', 'hardware', 'both' ], | |
1391 | description => "Set the fencing mode of the HA cluster. Hardware mode " . | |
1392 | "needs a valid configuration of fence devices in /etc/pve/ha/fence.cfg." . | |
bd0c003a FG |
1393 | " With both all two modes are used." . |
1394 | "\n\nWARNING: 'hardware' and 'both' are EXPERIMENTAL & WIP", | |
8d762bd6 | 1395 | }, |
329da63d WB |
1396 | mac_prefix => { |
1397 | optional => 1, | |
1398 | type => 'string', | |
1399 | pattern => qr/[a-f0-9]{2}(?::[a-f0-9]{2}){0,2}:?/i, | |
1400 | description => 'Prefix for autogenerated MAC addresses.', | |
1401 | }, | |
fe000966 DM |
1402 | }, |
1403 | }; | |
1404 | ||
1405 | # make schema accessible from outside (for documentation) | |
1406 | sub get_datacenter_schema { return $datacenter_schema }; | |
1407 | ||
1408 | sub parse_datacenter_config { | |
1409 | my ($filename, $raw) = @_; | |
1410 | ||
bba12ad7 TL |
1411 | my $res = PVE::JSONSchema::parse_config($datacenter_schema, $filename, $raw // ''); |
1412 | ||
1413 | if (my $migration = $res->{migration}) { | |
1414 | $res->{migration} = PVE::JSONSchema::parse_property_string($migration_format, $migration); | |
1415 | } | |
1416 | ||
1417 | # for backwards compatibility only, new migration property has precedence | |
1418 | if (defined($res->{migration_unsecure})) { | |
1419 | if (defined($res->{migration}->{type})) { | |
1420 | warn "deprecated setting 'migration_unsecure' and new 'migration: type' " . | |
1421 | "set at same time! Ignore 'migration_unsecure'\n"; | |
1422 | } else { | |
1423 | $res->{migration}->{type} = ($res->{migration_unsecure}) ? 'insecure' : 'secure'; | |
1424 | } | |
1425 | } | |
1426 | ||
1427 | return $res; | |
fe000966 DM |
1428 | } |
1429 | ||
1430 | sub write_datacenter_config { | |
1431 | my ($filename, $cfg) = @_; | |
bba12ad7 TL |
1432 | |
1433 | # map deprecated setting to new one | |
8f706517 | 1434 | if (defined($cfg->{migration_unsecure}) && !defined($cfg->{migration})) { |
bba12ad7 TL |
1435 | my $migration_unsecure = delete $cfg->{migration_unsecure}; |
1436 | $cfg->{migration}->{type} = ($migration_unsecure) ? 'insecure' : 'secure'; | |
1437 | } | |
1438 | ||
fe000966 DM |
1439 | return PVE::JSONSchema::dump_config($datacenter_schema, $filename, $cfg); |
1440 | } | |
1441 | ||
c53b111f DM |
1442 | cfs_register_file('datacenter.cfg', |
1443 | \&parse_datacenter_config, | |
fe000966 | 1444 | \&write_datacenter_config); |
ec48ec22 | 1445 | |
26784563 DM |
1446 | # X509 Certificate cache helper |
1447 | ||
1448 | my $cert_cache_nodes = {}; | |
1449 | my $cert_cache_timestamp = time(); | |
1450 | my $cert_cache_fingerprints = {}; | |
1451 | ||
1452 | sub update_cert_cache { | |
1453 | my ($update_node, $clear) = @_; | |
1454 | ||
1455 | syslog('info', "Clearing outdated entries from certificate cache") | |
1456 | if $clear; | |
1457 | ||
1458 | $cert_cache_timestamp = time() if !defined($update_node); | |
1459 | ||
1460 | my $node_list = defined($update_node) ? | |
1461 | [ $update_node ] : [ keys %$cert_cache_nodes ]; | |
1462 | ||
1463 | foreach my $node (@$node_list) { | |
1464 | my $clear_old = sub { | |
1465 | if (my $old_fp = $cert_cache_nodes->{$node}) { | |
1466 | # distrust old fingerprint | |
1467 | delete $cert_cache_fingerprints->{$old_fp}; | |
1468 | # ensure reload on next proxied request | |
1469 | delete $cert_cache_nodes->{$node}; | |
1470 | } | |
1471 | }; | |
1472 | ||
1473 | my $cert_path = "/etc/pve/nodes/$node/pve-ssl.pem"; | |
1474 | my $custom_cert_path = "/etc/pve/nodes/$node/pveproxy-ssl.pem"; | |
1475 | ||
1476 | $cert_path = $custom_cert_path if -f $custom_cert_path; | |
1477 | ||
1478 | my $cert; | |
1479 | eval { | |
1480 | my $bio = Net::SSLeay::BIO_new_file($cert_path, 'r'); | |
1481 | $cert = Net::SSLeay::PEM_read_bio_X509($bio); | |
1482 | Net::SSLeay::BIO_free($bio); | |
1483 | }; | |
1484 | my $err = $@; | |
1485 | if ($err || !defined($cert)) { | |
1486 | &$clear_old() if $clear; | |
1487 | next; | |
1488 | } | |
1489 | ||
1490 | my $fp; | |
1491 | eval { | |
1492 | $fp = Net::SSLeay::X509_get_fingerprint($cert, 'sha256'); | |
1493 | }; | |
1494 | $err = $@; | |
1495 | if ($err || !defined($fp) || $fp eq '') { | |
1496 | &$clear_old() if $clear; | |
1497 | next; | |
1498 | } | |
1499 | ||
1500 | my $old_fp = $cert_cache_nodes->{$node}; | |
1501 | $cert_cache_fingerprints->{$fp} = 1; | |
1502 | $cert_cache_nodes->{$node} = $fp; | |
1503 | ||
1504 | if (defined($old_fp) && $fp ne $old_fp) { | |
1505 | delete $cert_cache_fingerprints->{$old_fp}; | |
1506 | } | |
1507 | } | |
1508 | } | |
1509 | ||
ab224148 DM |
1510 | # load and cache cert fingerprint once |
1511 | sub initialize_cert_cache { | |
1512 | my ($node) = @_; | |
1513 | ||
1514 | update_cert_cache($node) | |
1515 | if defined($node) && !defined($cert_cache_nodes->{$node}); | |
1516 | } | |
1517 | ||
26784563 DM |
1518 | sub check_cert_fingerprint { |
1519 | my ($cert) = @_; | |
1520 | ||
1521 | # clear cache every 30 minutes at least | |
1522 | update_cert_cache(undef, 1) if time() - $cert_cache_timestamp >= 60*30; | |
1523 | ||
1524 | # get fingerprint of server certificate | |
1525 | my $fp; | |
1526 | eval { | |
1527 | $fp = Net::SSLeay::X509_get_fingerprint($cert, 'sha256'); | |
1528 | }; | |
1529 | return 0 if $@ || !defined($fp) || $fp eq ''; # error | |
1530 | ||
1531 | my $check = sub { | |
1532 | for my $expected (keys %$cert_cache_fingerprints) { | |
1533 | return 1 if $fp eq $expected; | |
1534 | } | |
1535 | return 0; | |
1536 | }; | |
1537 | ||
1538 | return 1 if &$check(); | |
1539 | ||
1540 | # clear cache and retry at most once every minute | |
1541 | if (time() - $cert_cache_timestamp >= 60) { | |
1542 | syslog ('info', "Could not verify remote node certificate '$fp' with list of pinned certificates, refreshing cache"); | |
1543 | update_cert_cache(); | |
1544 | return &$check(); | |
1545 | } | |
1546 | ||
1547 | return 0; | |
1548 | } | |
1549 | ||
15df58e6 DM |
1550 | # bash completion helpers |
1551 | ||
1552 | sub complete_next_vmid { | |
1553 | ||
1554 | my $vmlist = get_vmlist() || {}; | |
1555 | my $idlist = $vmlist->{ids} || {}; | |
1556 | ||
1557 | for (my $i = 100; $i < 10000; $i++) { | |
1558 | return [$i] if !defined($idlist->{$i}); | |
1559 | } | |
1560 | ||
1561 | return []; | |
1562 | } | |
1563 | ||
87515b25 DM |
1564 | sub complete_vmid { |
1565 | ||
1566 | my $vmlist = get_vmlist(); | |
1567 | my $ids = $vmlist->{ids} || {}; | |
1568 | ||
1569 | return [ keys %$ids ]; | |
1570 | } | |
1571 | ||
15df58e6 DM |
1572 | sub complete_local_vmid { |
1573 | ||
1574 | my $vmlist = get_vmlist(); | |
1575 | my $ids = $vmlist->{ids} || {}; | |
1576 | ||
1577 | my $nodename = PVE::INotify::nodename(); | |
1578 | ||
1579 | my $res = []; | |
1580 | foreach my $vmid (keys %$ids) { | |
1581 | my $d = $ids->{$vmid}; | |
1582 | next if !$d->{node} || $d->{node} ne $nodename; | |
1583 | push @$res, $vmid; | |
1584 | } | |
1585 | ||
1586 | return $res; | |
1587 | } | |
1588 | ||
4dd189df DM |
1589 | sub complete_migration_target { |
1590 | ||
1591 | my $res = []; | |
1592 | ||
1593 | my $nodename = PVE::INotify::nodename(); | |
1594 | ||
1595 | my $nodelist = get_nodelist(); | |
1596 | foreach my $node (@$nodelist) { | |
1597 | next if $node eq $nodename; | |
1598 | push @$res, $node; | |
1599 | } | |
1600 | ||
1601 | return $res; | |
1602 | } | |
1603 | ||
aabeedfb WB |
1604 | sub get_ssh_info { |
1605 | my ($node, $network_cidr) = @_; | |
1606 | ||
1607 | my $ip; | |
1608 | if (defined($network_cidr)) { | |
1609 | # Use mtunnel via to get the remote node's ip inside $network_cidr. | |
1610 | # This goes over the regular network (iow. uses get_ssh_info() with | |
1611 | # $network_cidr undefined. | |
1612 | # FIXME: Use the REST API client for this after creating an API entry | |
1613 | # for get_migration_ip. | |
1614 | my $default_remote = get_ssh_info($node, undef); | |
1615 | my $default_ssh = ssh_info_to_command($default_remote); | |
1616 | my $cmd =[@$default_ssh, 'pvecm', 'mtunnel', | |
1617 | '-migration_network', $network_cidr, | |
1618 | '-get_migration_ip' | |
1619 | ]; | |
1620 | PVE::Tools::run_command($cmd, outfunc => sub { | |
1621 | my ($line) = @_; | |
1622 | chomp $line; | |
1623 | die "internal error: unexpected output from mtunnel\n" | |
1624 | if defined($ip); | |
1625 | if ($line =~ /^ip: '(.*)'$/) { | |
1626 | $ip = $1; | |
1627 | } else { | |
1628 | die "internal error: bad output from mtunnel\n" | |
1629 | if defined($ip); | |
1630 | } | |
1631 | }); | |
1632 | die "failed to get ip for node '$node' in network '$network_cidr'\n" | |
1633 | if !defined($ip); | |
1634 | } else { | |
1635 | $ip = remote_node_ip($node); | |
1636 | } | |
1637 | ||
1638 | return { | |
1639 | ip => $ip, | |
d7d4c5b8 WB |
1640 | name => $node, |
1641 | network => $network_cidr, | |
aabeedfb WB |
1642 | }; |
1643 | } | |
1644 | ||
1f1aef8b | 1645 | sub ssh_info_to_command_base { |
aabeedfb WB |
1646 | my ($info, @extra_options) = @_; |
1647 | return [ | |
1648 | '/usr/bin/ssh', | |
1649 | '-o', 'BatchMode=yes', | |
1650 | '-o', 'HostKeyAlias='.$info->{name}, | |
1f1aef8b | 1651 | @extra_options |
aabeedfb WB |
1652 | ]; |
1653 | } | |
1654 | ||
1f1aef8b WB |
1655 | sub ssh_info_to_command { |
1656 | my ($info, @extra_options) = @_; | |
1657 | my $cmd = ssh_info_to_command_base($info, @extra_options); | |
1658 | push @$cmd, "root\@$info->{ip}"; | |
1659 | return $cmd; | |
1660 | } | |
1661 | ||
ac68281b | 1662 | 1; |