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c5204e14 FG |
1 | package PVE::Cluster::Setup; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
6 | use Digest::HMAC_SHA1; | |
7 | use Digest::SHA; | |
8 | use IO::File; | |
9 | use MIME::Base64; | |
10 | use Net::IP; | |
11 | use UUID; | |
12 | use POSIX qw(EEXIST); | |
13 | ||
14 | use PVE::APIClient::LWP; | |
15 | use PVE::Cluster; | |
cde60d30 | 16 | use PVE::Corosync; |
c5204e14 FG |
17 | use PVE::INotify; |
18 | use PVE::JSONSchema; | |
19 | use PVE::Network; | |
20 | use PVE::Tools; | |
21 | ||
22 | my $pmxcfs_base_dir = PVE::Cluster::base_dir(); | |
23 | my $pmxcfs_auth_dir = PVE::Cluster::auth_dir(); | |
24 | ||
25 | # only write output if something fails | |
26 | sub run_silent_cmd { | |
27 | my ($cmd) = @_; | |
28 | ||
29 | my $outbuf = ''; | |
30 | my $record = sub { $outbuf .= shift . "\n"; }; | |
31 | ||
32 | eval { PVE::Tools::run_command($cmd, outfunc => $record, errfunc => $record) }; | |
33 | ||
34 | if (my $err = $@) { | |
35 | print STDERR $outbuf; | |
36 | die $err; | |
37 | } | |
38 | } | |
39 | ||
40 | # Corosync related files | |
41 | my $localclusterdir = "/etc/corosync"; | |
42 | my $localclusterconf = "$localclusterdir/corosync.conf"; | |
43 | my $authfile = "$localclusterdir/authkey"; | |
44 | my $clusterconf = "$pmxcfs_base_dir/corosync.conf"; | |
45 | ||
46 | # CA/certificate related files | |
47 | my $pveca_key_fn = "$pmxcfs_auth_dir/pve-root-ca.key"; | |
48 | my $pveca_srl_fn = "$pmxcfs_auth_dir/pve-root-ca.srl"; | |
49 | my $pveca_cert_fn = "$pmxcfs_base_dir/pve-root-ca.pem"; | |
50 | # this is just a secret accessable by the web browser | |
51 | # and is used for CSRF prevention | |
52 | my $pvewww_key_fn = "$pmxcfs_base_dir/pve-www.key"; | |
53 | ||
54 | # ssh related files | |
55 | my $ssh_rsa_id_priv = "/root/.ssh/id_rsa"; | |
56 | my $ssh_rsa_id = "/root/.ssh/id_rsa.pub"; | |
57 | my $ssh_host_rsa_id = "/etc/ssh/ssh_host_rsa_key.pub"; | |
58 | my $sshglobalknownhosts = "/etc/ssh/ssh_known_hosts"; | |
59 | my $sshknownhosts = "$pmxcfs_auth_dir/known_hosts"; | |
60 | my $sshauthkeys = "$pmxcfs_auth_dir/authorized_keys"; | |
61 | my $sshd_config_fn = "/etc/ssh/sshd_config"; | |
62 | my $rootsshauthkeys = "/root/.ssh/authorized_keys"; | |
63 | my $rootsshauthkeysbackup = "${rootsshauthkeys}.org"; | |
64 | my $rootsshconfig = "/root/.ssh/config"; | |
65 | ||
66 | # ssh related utility functions | |
67 | ||
68 | sub ssh_merge_keys { | |
69 | # remove duplicate keys in $sshauthkeys | |
70 | # ssh-copy-id simply add keys, so the file can grow to large | |
71 | ||
72 | my $data = ''; | |
73 | if (-f $sshauthkeys) { | |
74 | $data = PVE::Tools::file_get_contents($sshauthkeys, 128*1024); | |
75 | chomp($data); | |
76 | } | |
77 | ||
78 | my $found_backup; | |
79 | if (-f $rootsshauthkeysbackup) { | |
80 | $data .= "\n"; | |
81 | $data .= PVE::Tools::file_get_contents($rootsshauthkeysbackup, 128*1024); | |
82 | chomp($data); | |
83 | $found_backup = 1; | |
84 | } | |
85 | ||
86 | # always add ourself | |
87 | if (-f $ssh_rsa_id) { | |
88 | my $pub = PVE::Tools::file_get_contents($ssh_rsa_id); | |
89 | chomp($pub); | |
90 | $data .= "\n$pub\n"; | |
91 | } | |
92 | ||
93 | my $newdata = ""; | |
94 | my $vhash = {}; | |
95 | my @lines = split(/\n/, $data); | |
96 | foreach my $line (@lines) { | |
97 | if ($line !~ /^#/ && $line =~ m/(^|\s)ssh-(rsa|dsa)\s+(\S+)\s+\S+$/) { | |
98 | next if $vhash->{$3}++; | |
99 | } | |
100 | $newdata .= "$line\n"; | |
101 | } | |
102 | ||
103 | PVE::Tools::file_set_contents($sshauthkeys, $newdata, 0600); | |
104 | ||
105 | if ($found_backup && -l $rootsshauthkeys) { | |
106 | # everything went well, so we can remove the backup | |
107 | unlink $rootsshauthkeysbackup; | |
108 | } | |
109 | } | |
110 | ||
111 | sub setup_sshd_config { | |
112 | my () = @_; | |
113 | ||
114 | my $conf = PVE::Tools::file_get_contents($sshd_config_fn); | |
115 | ||
116 | return if $conf =~ m/^PermitRootLogin\s+yes\s*$/m; | |
117 | ||
118 | if ($conf !~ s/^#?PermitRootLogin.*$/PermitRootLogin yes/m) { | |
119 | chomp $conf; | |
120 | $conf .= "\nPermitRootLogin yes\n"; | |
121 | } | |
122 | ||
123 | PVE::Tools::file_set_contents($sshd_config_fn, $conf); | |
124 | ||
125 | PVE::Tools::run_command(['systemctl', 'reload-or-restart', 'sshd']); | |
126 | } | |
127 | ||
128 | sub setup_rootsshconfig { | |
129 | ||
130 | # create ssh key if it does not exist | |
131 | if (! -f $ssh_rsa_id) { | |
132 | mkdir '/root/.ssh/'; | |
133 | system ("echo|ssh-keygen -t rsa -N '' -b 2048 -f ${ssh_rsa_id_priv}"); | |
134 | } | |
135 | ||
136 | # create ssh config if it does not exist | |
137 | if (! -f $rootsshconfig) { | |
138 | mkdir '/root/.ssh'; | |
139 | if (my $fh = IO::File->new($rootsshconfig, O_CREAT|O_WRONLY|O_EXCL, 0640)) { | |
140 | # this is the default ciphers list from Debian's OpenSSH package (OpenSSH_7.4p1 Debian-10, OpenSSL 1.0.2k 26 Jan 2017) | |
141 | # changed order to put AES before Chacha20 (most hardware has AESNI) | |
142 | print $fh "Ciphers aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm\@openssh.com,aes256-gcm\@openssh.com,chacha20-poly1305\@openssh.com\n"; | |
143 | close($fh); | |
144 | } | |
145 | } | |
146 | } | |
147 | ||
148 | sub setup_ssh_keys { | |
149 | ||
150 | mkdir $pmxcfs_auth_dir; | |
151 | ||
152 | my $import_ok; | |
153 | ||
154 | if (! -f $sshauthkeys) { | |
155 | my $old; | |
156 | if (-f $rootsshauthkeys) { | |
157 | $old = PVE::Tools::file_get_contents($rootsshauthkeys, 128*1024); | |
158 | } | |
159 | if (my $fh = IO::File->new ($sshauthkeys, O_CREAT|O_WRONLY|O_EXCL, 0400)) { | |
160 | PVE::Tools::safe_print($sshauthkeys, $fh, $old) if $old; | |
161 | close($fh); | |
162 | $import_ok = 1; | |
163 | } | |
164 | } | |
165 | ||
166 | warn "can't create shared ssh key database '$sshauthkeys'\n" | |
167 | if ! -f $sshauthkeys; | |
168 | ||
169 | if (-f $rootsshauthkeys && ! -l $rootsshauthkeys) { | |
170 | if (!rename($rootsshauthkeys , $rootsshauthkeysbackup)) { | |
171 | warn "rename $rootsshauthkeys failed - $!\n"; | |
172 | } | |
173 | } | |
174 | ||
175 | if (! -l $rootsshauthkeys) { | |
176 | symlink $sshauthkeys, $rootsshauthkeys; | |
177 | } | |
178 | ||
179 | if (! -l $rootsshauthkeys) { | |
180 | warn "can't create symlink for ssh keys '$rootsshauthkeys' -> '$sshauthkeys'\n"; | |
181 | } else { | |
182 | unlink $rootsshauthkeysbackup if $import_ok; | |
183 | } | |
184 | } | |
185 | ||
186 | sub ssh_unmerge_known_hosts { | |
187 | return if ! -l $sshglobalknownhosts; | |
188 | ||
189 | my $old = ''; | |
190 | $old = PVE::Tools::file_get_contents($sshknownhosts, 128*1024) | |
191 | if -f $sshknownhosts; | |
192 | ||
193 | PVE::Tools::file_set_contents($sshglobalknownhosts, $old); | |
194 | } | |
195 | ||
196 | sub ssh_merge_known_hosts { | |
197 | my ($nodename, $ip_address, $createLink) = @_; | |
198 | ||
199 | die "no node name specified" if !$nodename; | |
200 | die "no ip address specified" if !$ip_address; | |
201 | ||
202 | # ssh lowercases hostnames (aliases) before comparision, so we need too | |
203 | $nodename = lc($nodename); | |
204 | $ip_address = lc($ip_address); | |
205 | ||
206 | mkdir $pmxcfs_auth_dir; | |
207 | ||
208 | if (! -f $sshknownhosts) { | |
209 | if (my $fh = IO::File->new($sshknownhosts, O_CREAT|O_WRONLY|O_EXCL, 0600)) { | |
210 | close($fh); | |
211 | } | |
212 | } | |
213 | ||
214 | my $old = PVE::Tools::file_get_contents($sshknownhosts, 128*1024); | |
215 | ||
216 | my $new = ''; | |
217 | ||
218 | if ((! -l $sshglobalknownhosts) && (-f $sshglobalknownhosts)) { | |
219 | $new = PVE::Tools::file_get_contents($sshglobalknownhosts, 128*1024); | |
220 | } | |
221 | ||
222 | my $hostkey = PVE::Tools::file_get_contents($ssh_host_rsa_id); | |
223 | # Note: file sometimes containe emty lines at start, so we use multiline match | |
224 | die "can't parse $ssh_host_rsa_id" if $hostkey !~ m/^(ssh-rsa\s\S+)(\s.*)?$/m; | |
225 | $hostkey = $1; | |
226 | ||
227 | my $data = ''; | |
228 | my $vhash = {}; | |
229 | ||
230 | my $found_nodename; | |
231 | my $found_local_ip; | |
232 | ||
233 | my $merge_line = sub { | |
234 | my ($line, $all) = @_; | |
235 | ||
236 | return if $line =~ m/^\s*$/; # skip empty lines | |
237 | return if $line =~ m/^#/; # skip comments | |
238 | ||
239 | if ($line =~ m/^(\S+)\s(ssh-rsa\s\S+)(\s.*)?$/) { | |
240 | my $key = $1; | |
241 | my $rsakey = $2; | |
242 | if (!$vhash->{$key}) { | |
243 | $vhash->{$key} = 1; | |
244 | if ($key =~ m/\|1\|([^\|\s]+)\|([^\|\s]+)$/) { | |
245 | my $salt = decode_base64($1); | |
246 | my $digest = $2; | |
247 | my $hmac = Digest::HMAC_SHA1->new($salt); | |
248 | $hmac->add($nodename); | |
249 | my $hd = $hmac->b64digest . '='; | |
250 | if ($digest eq $hd) { | |
251 | if ($rsakey eq $hostkey) { | |
252 | $found_nodename = 1; | |
253 | $data .= $line; | |
254 | } | |
255 | return; | |
256 | } | |
257 | $hmac = Digest::HMAC_SHA1->new($salt); | |
258 | $hmac->add($ip_address); | |
259 | $hd = $hmac->b64digest . '='; | |
260 | if ($digest eq $hd) { | |
261 | if ($rsakey eq $hostkey) { | |
262 | $found_local_ip = 1; | |
263 | $data .= $line; | |
264 | } | |
265 | return; | |
266 | } | |
267 | } else { | |
268 | $key = lc($key); # avoid duplicate entries, ssh compares lowercased | |
269 | if ($key eq $ip_address) { | |
270 | $found_local_ip = 1 if $rsakey eq $hostkey; | |
271 | } elsif ($key eq $nodename) { | |
272 | $found_nodename = 1 if $rsakey eq $hostkey; | |
273 | } | |
274 | } | |
275 | $data .= $line; | |
276 | } | |
277 | } elsif ($all) { | |
278 | $data .= $line; | |
279 | } | |
280 | }; | |
281 | ||
282 | while ($old && $old =~ s/^((.*?)(\n|$))//) { | |
283 | my $line = "$2\n"; | |
284 | &$merge_line($line, 1); | |
285 | } | |
286 | ||
287 | while ($new && $new =~ s/^((.*?)(\n|$))//) { | |
288 | my $line = "$2\n"; | |
289 | &$merge_line($line); | |
290 | } | |
291 | ||
292 | # add our own key if not already there | |
293 | $data .= "$nodename $hostkey\n" if !$found_nodename; | |
294 | $data .= "$ip_address $hostkey\n" if !$found_local_ip; | |
295 | ||
296 | PVE::Tools::file_set_contents($sshknownhosts, $data); | |
297 | ||
298 | return if !$createLink; | |
299 | ||
300 | unlink $sshglobalknownhosts; | |
301 | symlink $sshknownhosts, $sshglobalknownhosts; | |
302 | ||
303 | warn "can't create symlink for ssh known hosts '$sshglobalknownhosts' -> '$sshknownhosts'\n" | |
304 | if ! -l $sshglobalknownhosts; | |
305 | ||
306 | } | |
307 | ||
308 | # directory and file creation | |
309 | ||
310 | sub gen_local_dirs { | |
311 | my ($nodename) = @_; | |
312 | ||
313 | PVE::Cluster::check_cfs_is_mounted(); | |
314 | ||
315 | my @required_dirs = ( | |
316 | "$pmxcfs_base_dir/priv", | |
317 | "$pmxcfs_base_dir/nodes", | |
318 | "$pmxcfs_base_dir/nodes/$nodename", | |
319 | "$pmxcfs_base_dir/nodes/$nodename/lxc", | |
320 | "$pmxcfs_base_dir/nodes/$nodename/qemu-server", | |
321 | "$pmxcfs_base_dir/nodes/$nodename/openvz", | |
322 | "$pmxcfs_base_dir/nodes/$nodename/priv"); | |
323 | ||
324 | foreach my $dir (@required_dirs) { | |
325 | if (! -d $dir) { | |
326 | mkdir($dir) || $! == EEXIST || die "unable to create directory '$dir' - $!\n"; | |
327 | } | |
328 | } | |
329 | } | |
330 | ||
331 | sub gen_auth_key { | |
332 | my $authprivkeyfn = "$pmxcfs_auth_dir/authkey.key"; | |
333 | my $authpubkeyfn = "$pmxcfs_base_dir/authkey.pub"; | |
334 | ||
335 | return if -f "$authprivkeyfn"; | |
336 | ||
337 | PVE::Cluster::check_cfs_is_mounted(); | |
338 | ||
339 | PVE::Cluster::cfs_lock_authkey(undef, sub { | |
340 | mkdir $pmxcfs_auth_dir || $! == EEXIST || die "unable to create dir '$pmxcfs_auth_dir' - $!\n"; | |
341 | ||
342 | run_silent_cmd(['openssl', 'genrsa', '-out', $authprivkeyfn, '2048']); | |
343 | ||
344 | run_silent_cmd(['openssl', 'rsa', '-in', $authprivkeyfn, '-pubout', '-out', $authpubkeyfn]); | |
345 | }); | |
346 | ||
347 | die "$@\n" if $@; | |
348 | } | |
349 | ||
350 | sub gen_pveca_key { | |
351 | ||
352 | return if -f $pveca_key_fn; | |
353 | ||
354 | eval { | |
355 | run_silent_cmd(['openssl', 'genrsa', '-out', $pveca_key_fn, '4096']); | |
356 | }; | |
357 | ||
358 | die "unable to generate pve ca key:\n$@" if $@; | |
359 | } | |
360 | ||
361 | sub gen_pveca_cert { | |
362 | ||
363 | if (-f $pveca_key_fn && -f $pveca_cert_fn) { | |
364 | return 0; | |
365 | } | |
366 | ||
367 | gen_pveca_key(); | |
368 | ||
369 | # we try to generate an unique 'subject' to avoid browser problems | |
370 | # (reused serial numbers, ..) | |
371 | my $uuid; | |
372 | UUID::generate($uuid); | |
373 | my $uuid_str; | |
374 | UUID::unparse($uuid, $uuid_str); | |
375 | ||
376 | eval { | |
377 | # wrap openssl with faketime to prevent bug #904 | |
378 | run_silent_cmd(['faketime', 'yesterday', 'openssl', 'req', '-batch', | |
379 | '-days', '3650', '-new', '-x509', '-nodes', '-key', | |
380 | $pveca_key_fn, '-out', $pveca_cert_fn, '-subj', | |
381 | "/CN=Proxmox Virtual Environment/OU=$uuid_str/O=PVE Cluster Manager CA/"]); | |
382 | }; | |
383 | ||
384 | die "generating pve root certificate failed:\n$@" if $@; | |
385 | ||
386 | return 1; | |
387 | } | |
388 | ||
389 | sub gen_pve_ssl_key { | |
390 | my ($nodename) = @_; | |
391 | ||
392 | die "no node name specified" if !$nodename; | |
393 | ||
394 | my $pvessl_key_fn = "$pmxcfs_base_dir/nodes/$nodename/pve-ssl.key"; | |
395 | ||
396 | return if -f $pvessl_key_fn; | |
397 | ||
398 | eval { | |
399 | run_silent_cmd(['openssl', 'genrsa', '-out', $pvessl_key_fn, '2048']); | |
400 | }; | |
401 | ||
402 | die "unable to generate pve ssl key for node '$nodename':\n$@" if $@; | |
403 | } | |
404 | ||
405 | sub gen_pve_www_key { | |
406 | ||
407 | return if -f $pvewww_key_fn; | |
408 | ||
409 | eval { | |
410 | run_silent_cmd(['openssl', 'genrsa', '-out', $pvewww_key_fn, '2048']); | |
411 | }; | |
412 | ||
413 | die "unable to generate pve www key:\n$@" if $@; | |
414 | } | |
415 | ||
416 | sub update_serial { | |
417 | my ($serial) = @_; | |
418 | ||
419 | PVE::Tools::file_set_contents($pveca_srl_fn, $serial); | |
420 | } | |
421 | ||
422 | sub gen_pve_ssl_cert { | |
423 | my ($force, $nodename, $ip) = @_; | |
424 | ||
425 | die "no node name specified" if !$nodename; | |
426 | die "no IP specified" if !$ip; | |
427 | ||
428 | my $pvessl_cert_fn = "$pmxcfs_base_dir/nodes/$nodename/pve-ssl.pem"; | |
429 | ||
430 | return if !$force && -f $pvessl_cert_fn; | |
431 | ||
432 | my $names = "IP:127.0.0.1,IP:::1,DNS:localhost"; | |
433 | ||
434 | my $rc = PVE::INotify::read_file('resolvconf'); | |
435 | ||
436 | $names .= ",IP:$ip"; | |
437 | ||
438 | my $fqdn = $nodename; | |
439 | ||
440 | $names .= ",DNS:$nodename"; | |
441 | ||
442 | if ($rc && $rc->{search}) { | |
443 | $fqdn = $nodename . "." . $rc->{search}; | |
444 | $names .= ",DNS:$fqdn"; | |
445 | } | |
446 | ||
447 | my $sslconf = <<__EOD; | |
448 | RANDFILE = /root/.rnd | |
449 | extensions = v3_req | |
450 | ||
451 | [ req ] | |
452 | default_bits = 2048 | |
453 | distinguished_name = req_distinguished_name | |
454 | req_extensions = v3_req | |
455 | prompt = no | |
456 | string_mask = nombstr | |
457 | ||
458 | [ req_distinguished_name ] | |
459 | organizationalUnitName = PVE Cluster Node | |
460 | organizationName = Proxmox Virtual Environment | |
461 | commonName = $fqdn | |
462 | ||
463 | [ v3_req ] | |
464 | basicConstraints = CA:FALSE | |
465 | extendedKeyUsage = serverAuth | |
466 | subjectAltName = $names | |
467 | __EOD | |
468 | ||
469 | my $cfgfn = "/tmp/pvesslconf-$$.tmp"; | |
470 | my $fh = IO::File->new ($cfgfn, "w"); | |
471 | print $fh $sslconf; | |
472 | close ($fh); | |
473 | ||
474 | my $reqfn = "/tmp/pvecertreq-$$.tmp"; | |
475 | unlink $reqfn; | |
476 | ||
477 | my $pvessl_key_fn = "$pmxcfs_base_dir/nodes/$nodename/pve-ssl.key"; | |
478 | eval { | |
479 | run_silent_cmd(['openssl', 'req', '-batch', '-new', '-config', $cfgfn, | |
480 | '-key', $pvessl_key_fn, '-out', $reqfn]); | |
481 | }; | |
482 | ||
483 | if (my $err = $@) { | |
484 | unlink $reqfn; | |
485 | unlink $cfgfn; | |
486 | die "unable to generate pve certificate request:\n$err"; | |
487 | } | |
488 | ||
489 | update_serial("0000000000000000") if ! -f $pveca_srl_fn; | |
490 | ||
491 | eval { | |
492 | # wrap openssl with faketime to prevent bug #904 | |
493 | run_silent_cmd(['faketime', 'yesterday', 'openssl', 'x509', '-req', | |
494 | '-in', $reqfn, '-days', '3650', '-out', $pvessl_cert_fn, | |
495 | '-CAkey', $pveca_key_fn, '-CA', $pveca_cert_fn, | |
496 | '-CAserial', $pveca_srl_fn, '-extfile', $cfgfn]); | |
497 | }; | |
498 | ||
499 | if (my $err = $@) { | |
500 | unlink $reqfn; | |
501 | unlink $cfgfn; | |
502 | die "unable to generate pve ssl certificate:\n$err"; | |
503 | } | |
504 | ||
505 | unlink $cfgfn; | |
506 | unlink $reqfn; | |
507 | } | |
508 | ||
509 | sub gen_pve_node_files { | |
510 | my ($nodename, $ip, $opt_force) = @_; | |
511 | ||
512 | gen_local_dirs($nodename); | |
513 | ||
514 | gen_auth_key(); | |
515 | ||
516 | # make sure we have a (cluster wide) secret | |
517 | # for CSRFR prevention | |
518 | gen_pve_www_key(); | |
519 | ||
520 | # make sure we have a (per node) private key | |
521 | gen_pve_ssl_key($nodename); | |
522 | ||
523 | # make sure we have a CA | |
524 | my $force = gen_pveca_cert(); | |
525 | ||
526 | $force = 1 if $opt_force; | |
527 | ||
528 | gen_pve_ssl_cert($force, $nodename, $ip); | |
529 | } | |
530 | ||
531 | my $vzdump_cron_dummy = <<__EOD; | |
532 | # cluster wide vzdump cron schedule | |
533 | # Atomatically generated file - do not edit | |
534 | ||
535 | PATH="/usr/sbin:/usr/bin:/sbin:/bin" | |
536 | ||
537 | __EOD | |
538 | ||
539 | sub gen_pve_vzdump_symlink { | |
540 | ||
541 | my $filename = "/etc/pve/vzdump.cron"; | |
542 | ||
543 | my $link_fn = "/etc/cron.d/vzdump"; | |
544 | ||
545 | if ((-f $filename) && (! -l $link_fn)) { | |
546 | rename($link_fn, "/root/etc_cron_vzdump.org"); # make backup if file exists | |
547 | symlink($filename, $link_fn); | |
548 | } | |
549 | } | |
550 | ||
551 | sub gen_pve_vzdump_files { | |
552 | ||
553 | my $filename = "/etc/pve/vzdump.cron"; | |
554 | ||
555 | PVE::Tools::file_set_contents($filename, $vzdump_cron_dummy) | |
556 | if ! -f $filename; | |
557 | ||
558 | gen_pve_vzdump_symlink(); | |
559 | }; | |
560 | ||
561 | # join helpers | |
562 | ||
563 | sub assert_joinable { | |
564 | my ($local_addr, $link0, $link1, $force) = @_; | |
565 | ||
566 | my $errors = ''; | |
567 | my $error = sub { $errors .= "* $_[0]\n"; }; | |
568 | ||
569 | if (-f $authfile) { | |
570 | $error->("authentication key '$authfile' already exists"); | |
571 | } | |
572 | ||
573 | if (-f $clusterconf) { | |
574 | $error->("cluster config '$clusterconf' already exists"); | |
575 | } | |
576 | ||
577 | my $vmlist = PVE::Cluster::get_vmlist(); | |
578 | if ($vmlist && $vmlist->{ids} && scalar(keys %{$vmlist->{ids}})) { | |
579 | $error->("this host already contains virtual guests"); | |
580 | } | |
581 | ||
582 | if (PVE::Tools::run_command(['corosync-quorumtool', '-l'], noerr => 1, quiet => 1) == 0) { | |
583 | $error->("corosync is already running, is this node already in a cluster?!"); | |
584 | } | |
585 | ||
586 | # check if corosync ring IPs are configured on the current nodes interfaces | |
587 | my $check_ip = sub { | |
588 | my $ip = shift // return; | |
589 | my $logid = shift; | |
590 | if (!PVE::JSONSchema::pve_verify_ip($ip, 1)) { | |
591 | my $host = $ip; | |
592 | eval { $ip = PVE::Network::get_ip_from_hostname($host); }; | |
593 | if ($@) { | |
594 | $error->("$logid: cannot use '$host': $@\n") ; | |
595 | return; | |
596 | } | |
597 | } | |
598 | ||
599 | my $cidr = (Net::IP::ip_is_ipv6($ip)) ? "$ip/128" : "$ip/32"; | |
600 | my $configured_ips = PVE::Network::get_local_ip_from_cidr($cidr); | |
601 | ||
602 | $error->("$logid: cannot use IP '$ip', it must be configured exactly once on local node!\n") | |
603 | if (scalar(@$configured_ips) != 1); | |
604 | }; | |
605 | ||
606 | $check_ip->($local_addr, 'local node address'); | |
607 | $check_ip->($link0->{address}, 'ring0') if defined($link0); | |
608 | $check_ip->($link1->{address}, 'ring1') if defined($link1); | |
609 | ||
610 | if ($errors) { | |
611 | warn "detected the following error(s):\n$errors"; | |
612 | die "Check if node may join a cluster failed!\n" if !$force; | |
613 | } | |
614 | } | |
615 | ||
616 | sub join { | |
617 | my ($param) = @_; | |
618 | ||
619 | my $nodename = PVE::INotify::nodename(); | |
620 | my $local_ip_address = PVE::Cluster::remote_node_ip($nodename); | |
621 | ||
cde60d30 FG |
622 | my $link0 = PVE::Corosync::parse_corosync_link($param->{link0}); |
623 | my $link1 = PVE::Corosync::parse_corosync_link($param->{link1}); | |
c5204e14 FG |
624 | |
625 | # check if we can join with the given parameters and current node state | |
626 | assert_joinable($local_ip_address, $link0, $link1, $param->{force}); | |
627 | ||
628 | setup_sshd_config(); | |
629 | setup_rootsshconfig(); | |
630 | setup_ssh_keys(); | |
631 | ||
632 | # make sure known_hosts is on local filesystem | |
633 | ssh_unmerge_known_hosts(); | |
634 | ||
635 | my $host = $param->{hostname}; | |
636 | my $conn_args = { | |
637 | username => 'root@pam', | |
638 | password => $param->{password}, | |
639 | cookie_name => 'PVEAuthCookie', | |
640 | protocol => 'https', | |
641 | host => $host, | |
642 | port => 8006, | |
643 | }; | |
644 | ||
645 | if (my $fp = $param->{fingerprint}) { | |
646 | $conn_args->{cached_fingerprints} = { uc($fp) => 1 }; | |
647 | } else { | |
648 | # API schema ensures that we can only get here from CLI handler | |
649 | $conn_args->{manual_verification} = 1; | |
650 | } | |
651 | ||
652 | print "Establishing API connection with host '$host'\n"; | |
653 | ||
654 | my $conn = PVE::APIClient::LWP->new(%$conn_args); | |
655 | $conn->login(); | |
656 | ||
657 | # login raises an exception on failure, so if we get here we're good | |
658 | print "Login succeeded.\n"; | |
659 | ||
660 | my $args = {}; | |
661 | $args->{force} = $param->{force} if defined($param->{force}); | |
662 | $args->{nodeid} = $param->{nodeid} if $param->{nodeid}; | |
663 | $args->{votes} = $param->{votes} if defined($param->{votes}); | |
664 | # just pass the un-parsed string through, or as we've address as the | |
665 | # default_key, we can just pass the fallback directly too | |
666 | $args->{link0} = $param->{link0} // $local_ip_address; | |
667 | $args->{link1} = $param->{link1} if defined($param->{link1}); | |
668 | ||
669 | print "Request addition of this node\n"; | |
670 | my $res = $conn->post("/cluster/config/nodes/$nodename", $args); | |
671 | ||
672 | print "Join request OK, finishing setup locally\n"; | |
673 | ||
674 | # added successfuly - now prepare local node | |
675 | finish_join($nodename, $res->{corosync_conf}, $res->{corosync_authkey}); | |
676 | } | |
677 | ||
678 | sub finish_join { | |
679 | my ($nodename, $corosync_conf, $corosync_authkey) = @_; | |
680 | ||
681 | mkdir "$localclusterdir"; | |
682 | PVE::Tools::file_set_contents($authfile, $corosync_authkey); | |
683 | PVE::Tools::file_set_contents($localclusterconf, $corosync_conf); | |
684 | ||
685 | print "stopping pve-cluster service\n"; | |
686 | my $cmd = ['systemctl', 'stop', 'pve-cluster']; | |
687 | PVE::Tools::run_command($cmd, errmsg => "can't stop pve-cluster service"); | |
688 | ||
689 | my $dbfile = PVE::Cluster::cfs_backup_database(); | |
690 | unlink $dbfile; | |
691 | ||
692 | $cmd = ['systemctl', 'start', 'corosync', 'pve-cluster']; | |
693 | PVE::Tools::run_command($cmd, errmsg => "starting pve-cluster failed"); | |
694 | ||
695 | # wait for quorum | |
696 | my $printqmsg = 1; | |
697 | while (!PVE::Cluster::check_cfs_quorum(1)) { | |
698 | if ($printqmsg) { | |
699 | print "waiting for quorum..."; | |
700 | STDOUT->flush(); | |
701 | $printqmsg = 0; | |
702 | } | |
703 | sleep(1); | |
704 | } | |
705 | print "OK\n" if !$printqmsg; | |
706 | ||
707 | updatecerts_and_ssh(1); | |
708 | ||
709 | print "generated new node certificate, restart pveproxy and pvedaemon services\n"; | |
710 | PVE::Tools::run_command(['systemctl', 'reload-or-restart', 'pvedaemon', 'pveproxy']); | |
711 | ||
712 | print "successfully added node '$nodename' to cluster.\n"; | |
713 | } | |
714 | ||
715 | sub updatecerts_and_ssh { | |
716 | my ($force_new_cert, $silent) = @_; | |
717 | ||
718 | my $p = sub { print "$_[0]\n" if !$silent }; | |
719 | ||
720 | setup_rootsshconfig(); | |
721 | ||
722 | gen_pve_vzdump_symlink(); | |
723 | ||
724 | if (!PVE::Cluster::check_cfs_quorum(1)) { | |
725 | return undef if $silent; | |
726 | die "no quorum - unable to update files\n"; | |
727 | } | |
728 | ||
729 | setup_ssh_keys(); | |
730 | ||
731 | my $nodename = PVE::INotify::nodename(); | |
732 | my $local_ip_address = PVE::Cluster::remote_node_ip($nodename); | |
733 | ||
734 | $p->("(re)generate node files"); | |
735 | $p->("generate new node certificate") if $force_new_cert; | |
736 | gen_pve_node_files($nodename, $local_ip_address, $force_new_cert); | |
737 | ||
738 | $p->("merge authorized SSH keys and known hosts"); | |
739 | ssh_merge_keys(); | |
740 | ssh_merge_known_hosts($nodename, $local_ip_address, 1); | |
741 | gen_pve_vzdump_files(); | |
742 | } | |
743 | ||
744 | 1; |