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fe000966 DM |
1 | #!/usr/bin/perl -w |
2 | use strict; | |
3 | use Getopt::Long; | |
4 | use Socket; | |
5 | use IO::File; | |
6 | use File::Path; | |
7 | use File::Basename; | |
8 | use Data::Dumper; # fixme: remove | |
9 | use PVE::Tools; | |
10 | use PVE::Cluster; | |
11 | use PVE::INotify; | |
12 | use PVE::JSONSchema; | |
13 | use PVE::CLIHandler; | |
14 | ||
15 | use base qw(PVE::CLIHandler); | |
16 | ||
17 | $ENV{'PATH'} = '/sbin:/bin:/usr/sbin:/usr/bin'; | |
c25b167f DM |
18 | $ENV{LC_ALL} = 'C'; |
19 | $ENV{HOME} = '/root'; # for ssh-copy-id | |
fe000966 DM |
20 | |
21 | die "please run as root\n" if $> != 0; | |
22 | ||
23 | my $nodename = PVE::INotify::nodename(); | |
24 | # trigger check that we have resolvable name | |
25 | my $local_ip_address = PVE::Cluster::remote_node_ip($nodename); | |
26 | ||
27 | my $basedir = "/etc/pve"; | |
28 | my $clusterconf = "$basedir/cluster.conf"; | |
29 | my $libdir = "/var/lib/pve-cluster"; | |
30 | my $backupdir = "/var/lib/pve-cluster/backup"; | |
31 | my $dbfile = "$libdir/config.db"; | |
32 | my $authfile = "$libdir/corosync.authkey"; | |
33 | ||
34 | ||
35 | sub backup_database { | |
36 | ||
37 | print "backup old database\n"; | |
38 | ||
39 | mkdir $backupdir; | |
40 | ||
41 | my $ctime = time(); | |
42 | my $cmd = "echo '.dump' |"; | |
43 | $cmd .= "sqlite3 '$dbfile' |"; | |
44 | $cmd .= "gzip - >'${backupdir}/config-${ctime}.sql.gz'"; | |
45 | ||
46 | system($cmd) == 0 || | |
47 | die "can't backup old database: $!\n"; | |
48 | ||
49 | # purge older backup | |
50 | my $maxfiles = 10; | |
51 | ||
52 | my @bklist = (); | |
53 | foreach my $fn (<$backupdir/config-*.sql.gz>) { | |
54 | if ($fn =~ m!/config-(\d+)\.sql.gz$!) { | |
55 | push @bklist, [$fn, $1]; | |
56 | } | |
57 | } | |
58 | ||
59 | @bklist = sort { $b->[1] <=> $a->[1] } @bklist; | |
60 | ||
61 | while (scalar (@bklist) >= $maxfiles) { | |
62 | my $d = pop @bklist; | |
63 | print "delete old backup '$d->[0]'\n"; | |
64 | unlink $d->[0]; | |
65 | } | |
66 | } | |
67 | ||
68 | __PACKAGE__->register_method ({ | |
69 | name => 'keygen', | |
70 | path => 'keygen', | |
71 | method => 'PUT', | |
72 | description => "Generate new cryptographic key for corosync.", | |
73 | parameters => { | |
74 | additionalProperties => 0, | |
75 | properties => { | |
76 | filename => { | |
77 | type => 'string', | |
78 | description => "Output file name" | |
79 | } | |
80 | }, | |
81 | }, | |
82 | returns => { type => 'null' }, | |
83 | ||
84 | code => sub { | |
85 | my ($param) = @_; | |
86 | ||
87 | my $filename = $param->{filename}; | |
88 | ||
89 | # test EUID | |
90 | $> == 0 || die "Error: Authorization key must be generated as root user.\n"; | |
91 | my $dirname = dirname($filename); | |
92 | my $basename = basename($filename); | |
93 | ||
94 | File::Path::make_path($dirname) if $dirname; | |
95 | ||
96 | my $fh = IO::File->new ("/dev/urandom", 'r') || | |
97 | die "can't open /dev/urandom - $!\n"; | |
98 | ||
99 | my $keysize = 128; | |
100 | my $key = ''; | |
101 | ||
102 | my $bytes = 0; | |
103 | while ($bytes < $keysize) { | |
104 | my $rb = sysread($fh, $key, $keysize - $bytes, $bytes); | |
105 | ($rb > 0) || die "Could not read /dev/urandom - $!\n"; | |
106 | $bytes += $rb; | |
107 | } | |
108 | ||
109 | close($fh); | |
110 | ||
111 | my $tmpfn = "$filename.tmp.$$"; | |
112 | $fh = IO::File->new ($tmpfn, O_CREAT|O_WRONLY, 0400); | |
113 | die "can't open temporary file '$tmpfn' - $!\n" if !$fh; | |
114 | ||
115 | eval { | |
116 | my $wb; | |
117 | (($wb = syswrite($fh, $key)) == $keysize) || | |
118 | die "writing key failed - short write $wb\n;" | |
119 | }; | |
120 | my $err = $@; | |
121 | ||
122 | $fh->close(); | |
123 | ||
124 | if ($err) { | |
125 | unlink $tmpfn; | |
126 | die $err; | |
127 | } | |
128 | ||
129 | if (!rename($tmpfn, $filename)) { | |
130 | my $err = $!; | |
131 | unlink $tmpfn; | |
132 | die "rename $tmpfn to $filename failed - $err\n"; | |
133 | } | |
134 | ||
135 | return undef; | |
136 | }}); | |
137 | ||
138 | __PACKAGE__->register_method ({ | |
139 | name => 'create', | |
140 | path => 'create', | |
141 | method => 'PUT', | |
142 | description => "Generate new cluster configuration.", | |
143 | parameters => { | |
144 | additionalProperties => 0, | |
145 | properties => { | |
146 | clustername => { | |
147 | description => "The name of the cluster.", | |
148 | type => 'string', format => 'pve-node', | |
e51796ba | 149 | maxLength => 15, |
fe000966 DM |
150 | }, |
151 | nodeid => { | |
152 | type => 'integer', | |
153 | description => "Node id for this node.", | |
154 | minimum => 1, | |
155 | optional => 1, | |
156 | }, | |
157 | votes => { | |
158 | type => 'integer', | |
159 | description => "Number of votes for this node", | |
160 | minimum => 1, | |
161 | optional => 1, | |
162 | }, | |
163 | }, | |
164 | }, | |
165 | returns => { type => 'null' }, | |
166 | ||
167 | code => sub { | |
168 | my ($param) = @_; | |
169 | ||
170 | -f $clusterconf && die "cluster config '$clusterconf' already exists\n"; | |
171 | ||
f666cdde | 172 | PVE::Cluster::setup_rootsshconfig(); |
fe000966 DM |
173 | PVE::Cluster::setup_ssh_keys(); |
174 | ||
175 | -f $authfile || __PACKAGE__->keygen({filename => $authfile}); | |
176 | ||
177 | -f $authfile || die "no authentication key available\n"; | |
178 | ||
179 | my $clustername = $param->{clustername}; | |
180 | ||
181 | $param->{nodeid} = 1 if !$param->{nodeid}; | |
182 | ||
183 | $param->{votes} = 1 if !defined($param->{votes}); | |
184 | ||
185 | my $config = <<_EOD; | |
186 | <?xml version="1.0"?> | |
187 | <cluster name="$clustername" config_version="1"> | |
188 | ||
189 | <cman keyfile="$authfile"> | |
190 | </cman> | |
191 | ||
192 | <clusternodes> | |
193 | <clusternode name="${nodename}" votes="$param->{votes}" nodeid="$param->{nodeid}"/> | |
194 | </clusternodes> | |
195 | ||
196 | </cluster> | |
197 | _EOD | |
198 | ; | |
199 | PVE::Tools::file_set_contents($clusterconf, $config); | |
200 | ||
201 | PVE::Cluster::ssh_merge_keys(); | |
202 | ||
203 | PVE::Cluster::gen_pve_node_files($nodename, $local_ip_address); | |
204 | ||
205 | PVE::Cluster::ssh_merge_known_hosts($nodename, $local_ip_address, 1); | |
206 | ||
207 | PVE::Tools::run_command('/etc/init.d/pve-cluster restart'); # restart | |
208 | ||
209 | # that cman init script returns strange values - simply ignore for now | |
210 | system('/etc/init.d/cman start'); | |
4e433fe4 DM |
211 | |
212 | # also start clvm | |
213 | system('/etc/init.d/clvm start'); | |
fe000966 DM |
214 | |
215 | return undef; | |
216 | }}); | |
217 | ||
218 | __PACKAGE__->register_method ({ | |
219 | name => 'addnode', | |
220 | path => 'addnode', | |
221 | method => 'PUT', | |
222 | description => "Adds a node to the cluster configuration.", | |
223 | parameters => { | |
224 | additionalProperties => 0, | |
225 | properties => { | |
226 | node => PVE::JSONSchema::get_standard_option('pve-node'), | |
227 | nodeid => { | |
228 | type => 'integer', | |
229 | description => "Node id for this node.", | |
230 | minimum => 1, | |
231 | optional => 1, | |
232 | }, | |
233 | votes => { | |
234 | type => 'integer', | |
235 | description => "Number of votes for this node", | |
236 | minimum => 0, | |
237 | optional => 1, | |
238 | }, | |
239 | force => { | |
240 | type => 'boolean', | |
241 | description => "Do not throw error if node already exists.", | |
242 | optional => 1, | |
243 | }, | |
244 | }, | |
245 | }, | |
246 | returns => { type => 'null' }, | |
247 | ||
248 | code => sub { | |
249 | my ($param) = @_; | |
250 | ||
01dddfb9 | 251 | PVE::Cluster::check_cfs_quorum(); |
fe000966 DM |
252 | |
253 | my $lst = lsnode(); | |
254 | ||
255 | my $name = $param->{node}; | |
256 | ||
257 | if (defined(my $res = $lst->{$name})) { | |
258 | $param->{nodeid} = $res->{nodeid} if !$param->{nodeid}; | |
259 | $param->{votes} = $res->{votes} if !defined($param->{votes}); | |
260 | ||
261 | if ($res->{votes} == $param->{votes} && | |
262 | $res->{nodeid} == $param->{nodeid}) { | |
263 | print "node $name already defined\n"; | |
264 | if ($param->{force}) { | |
265 | exit (0); | |
266 | } else { | |
267 | exit (-1); | |
268 | } | |
269 | } | |
270 | } elsif (!$param->{nodeid}) { | |
271 | my $nodeid = 1; | |
272 | ||
273 | while(1) { | |
274 | my $found = 0; | |
275 | foreach my $v (values %$lst) { | |
276 | if ($v->{nodeid} eq $nodeid) { | |
277 | $found = 1; | |
278 | $nodeid++; | |
279 | last; | |
280 | } | |
281 | } | |
282 | last if !$found; | |
283 | }; | |
284 | ||
285 | $param->{nodeid} = $nodeid; | |
286 | } | |
287 | ||
288 | $param->{votes} = 1 if !defined($param->{votes}); | |
289 | ||
290 | PVE::Cluster::gen_local_dirs($name); | |
291 | ||
292 | eval { PVE::Cluster::ssh_merge_keys(); }; | |
293 | warn $@ if $@; | |
294 | ||
295 | my $cmd = ['ccs_tool', 'addnode', '-c', $clusterconf]; | |
296 | ||
297 | # NOTE: cman does not like votes="0" | |
298 | if ($param->{votes}) { | |
299 | push @$cmd, '-v', $param->{votes}; | |
300 | } | |
301 | ||
302 | push @$cmd, '-n', $param->{nodeid}, $name; | |
303 | ||
304 | system(@$cmd) == 0 || exit(-1); | |
305 | ||
306 | exit (0); | |
307 | }}); | |
308 | ||
309 | ||
310 | __PACKAGE__->register_method ({ | |
311 | name => 'delnode', | |
312 | path => 'delnode', | |
313 | method => 'PUT', | |
314 | description => "Removes a node to the cluster configuration.", | |
315 | parameters => { | |
316 | additionalProperties => 0, | |
317 | properties => { | |
318 | node => PVE::JSONSchema::get_standard_option('pve-node'), | |
319 | }, | |
320 | }, | |
321 | returns => { type => 'null' }, | |
322 | ||
323 | code => sub { | |
324 | my ($param) = @_; | |
325 | ||
1bf30626 | 326 | PVE::Cluster::check_cfs_quorum(); |
fe000966 DM |
327 | |
328 | my $cmd = ['ccs_tool', 'delnode', '-c', $clusterconf, $param->{node}]; | |
329 | ||
330 | exec (@$cmd); | |
331 | ||
332 | exit (-1); # should not be reached | |
333 | }}); | |
334 | ||
335 | __PACKAGE__->register_method ({ | |
336 | name => 'add', | |
337 | path => 'add', | |
338 | method => 'PUT', | |
339 | description => "Adds the current node to an existing cluster.", | |
340 | parameters => { | |
341 | additionalProperties => 0, | |
342 | properties => { | |
343 | hostname => { | |
344 | type => 'string', | |
345 | description => "Hostname (or IP) of an existing cluster member." | |
346 | }, | |
347 | nodeid => { | |
348 | type => 'integer', | |
349 | description => "Node id for this node.", | |
350 | minimum => 1, | |
351 | optional => 1, | |
352 | }, | |
353 | votes => { | |
354 | type => 'integer', | |
355 | description => "Number of votes for this node", | |
356 | minimum => 0, | |
357 | optional => 1, | |
358 | }, | |
359 | force => { | |
360 | type => 'boolean', | |
361 | description => "Do not throw error if node already exists.", | |
362 | optional => 1, | |
363 | }, | |
364 | }, | |
365 | }, | |
366 | returns => { type => 'null' }, | |
367 | ||
368 | code => sub { | |
369 | my ($param) = @_; | |
370 | ||
f666cdde | 371 | PVE::Cluster::setup_rootsshconfig(); |
fe000966 DM |
372 | PVE::Cluster::setup_ssh_keys(); |
373 | ||
374 | my $host = $param->{hostname}; | |
375 | ||
376 | if (!$param->{force}) { | |
377 | ||
378 | if (-f $authfile) { | |
379 | die "authentication key already exists\n"; | |
380 | } | |
381 | ||
382 | if (-f $clusterconf) { | |
383 | die "cluster config '$clusterconf' already exists\n"; | |
384 | } | |
385 | ||
386 | my $vmlist = PVE::Cluster::get_vmlist(); | |
387 | if ($vmlist && $vmlist->{ids} && scalar(keys %{$vmlist->{ids}})) { | |
388 | die "this host already contains virtual machines - please remove the first\n"; | |
389 | } | |
390 | ||
391 | if (system("cman_tool status >/dev/null 2>&1") == 0) { | |
392 | die "cman is already running\n"; | |
393 | } | |
394 | } | |
395 | ||
396 | # make sure known_hosts is on local filesystem | |
397 | PVE::Cluster::ssh_unmerge_known_hosts(); | |
398 | ||
399 | my $cmd = "ssh-copy-id 'root\@$host' >/dev/null 2>&1"; | |
400 | system ($cmd) == 0 || | |
401 | die "unable to copy ssh ID\n"; | |
402 | ||
403 | $cmd = ['ssh', $host, '-o', 'BatchMode=yes', | |
404 | 'pvecm', 'addnode', $nodename, '--force', 1]; | |
405 | ||
849bf59f | 406 | push @$cmd, '--nodeid', $param->{nodeid} if $param->{nodeid}; |
fe000966 | 407 | |
849bf59f | 408 | push @$cmd, '--votes', $param->{votes} if defined($param->{votes}); |
fe000966 DM |
409 | |
410 | if (system (@$cmd) != 0) { | |
411 | my $cmdtxt = join (' ', @$cmd); | |
412 | die "unable to add node: command failed ($cmdtxt)\n"; | |
413 | } | |
414 | ||
415 | my $tmpdir = "$libdir/.pvecm_add.tmp.$$"; | |
416 | mkdir $tmpdir; | |
417 | ||
418 | eval { | |
419 | print "copy corosync auth key\n"; | |
420 | $cmd = ['rsync', '--rsh=ssh -l root -o BatchMode=yes', '-lpgoq', | |
421 | "$host:$authfile $clusterconf", $tmpdir]; | |
422 | ||
423 | system(@$cmd) == 0 || die "can't rsync data from host '$host'\n"; | |
424 | ||
425 | mkdir "/etc/cluster"; | |
426 | my $confbase = basename($clusterconf); | |
427 | ||
428 | $cmd = "cp '$tmpdir/$confbase' '/etc/cluster/$confbase'"; | |
429 | system($cmd) == 0 || die "can't copy cluster configuration\n"; | |
430 | ||
431 | my $keybase = basename($authfile); | |
432 | system ("cp '$tmpdir/$keybase' '$authfile'") == 0 || | |
433 | die "can't copy '$tmpdir/$keybase' to '$authfile'\n"; | |
434 | ||
435 | print "stopping pve-cluster service\n"; | |
436 | ||
437 | system("umount $basedir -f >/dev/null 2>&1"); | |
438 | system("/etc/init.d/pve-cluster stop") == 0 || | |
439 | die "can't stop pve-cluster service\n"; | |
440 | ||
441 | backup_database(); | |
442 | ||
443 | unlink $dbfile; | |
444 | ||
445 | system("/etc/init.d/pve-cluster start") == 0 || | |
446 | die "starting pve-cluster failed\n"; | |
447 | ||
448 | system("/etc/init.d/cman start"); | |
449 | ||
450 | # wait for quorum | |
451 | my $printqmsg = 1; | |
1bf30626 | 452 | while (!PVE::Cluster::check_cfs_quorum(1)) { |
fe000966 DM |
453 | if ($printqmsg) { |
454 | print "waiting for quorum..."; | |
455 | STDOUT->flush(); | |
456 | $printqmsg = 0; | |
457 | } | |
458 | sleep(1); | |
459 | } | |
460 | print "OK\n" if !$printqmsg; | |
461 | ||
4e433fe4 DM |
462 | system("/etc/init.d/clvm start"); |
463 | ||
fe000966 DM |
464 | print "generating node certificates\n"; |
465 | PVE::Cluster::gen_pve_node_files($nodename, $local_ip_address); | |
466 | ||
467 | print "merge known_hosts file\n"; | |
468 | PVE::Cluster::ssh_merge_known_hosts($nodename, $local_ip_address, 1); | |
469 | ||
470 | print "restart services\n"; | |
c56c240f DM |
471 | # restart pvedaemon (changed certs) |
472 | system("/etc/init.d/pvedaemon restart"); | |
fe000966 DM |
473 | # restart apache (changed certs) |
474 | system("/etc/init.d/apache2 restart"); | |
475 | ||
476 | print "successfully added node '$nodename' to cluster.\n"; | |
477 | }; | |
478 | my $err = $@; | |
479 | ||
480 | rmtree $tmpdir; | |
481 | ||
482 | die $err if $err; | |
483 | ||
484 | return undef; | |
485 | }}); | |
486 | ||
487 | __PACKAGE__->register_method ({ | |
488 | name => 'status', | |
489 | path => 'status', | |
490 | method => 'GET', | |
491 | description => "Displays the local view of the cluster status.", | |
492 | parameters => { | |
493 | additionalProperties => 0, | |
494 | properties => {}, | |
495 | }, | |
496 | returns => { type => 'null' }, | |
497 | ||
498 | code => sub { | |
499 | my ($param) = @_; | |
500 | ||
501 | my $cmd = ['cman_tool', 'status']; | |
502 | ||
503 | exec (@$cmd); | |
504 | ||
505 | exit (-1); # should not be reached | |
506 | }}); | |
507 | ||
508 | __PACKAGE__->register_method ({ | |
509 | name => 'nodes', | |
510 | path => 'nodes', | |
511 | method => 'GET', | |
512 | description => "Displays the local view of the cluster nodes.", | |
513 | parameters => { | |
514 | additionalProperties => 0, | |
515 | properties => {}, | |
516 | }, | |
517 | returns => { type => 'null' }, | |
518 | ||
519 | code => sub { | |
520 | my ($param) = @_; | |
521 | ||
522 | my $cmd = ['cman_tool', 'nodes']; | |
523 | ||
524 | exec (@$cmd); | |
525 | ||
526 | exit (-1); # should not be reached | |
527 | }}); | |
528 | ||
529 | __PACKAGE__->register_method ({ | |
530 | name => 'expected', | |
531 | path => 'expected', | |
532 | method => 'PUT', | |
533 | description => "Tells CMAN a new value of expected votes.", | |
534 | parameters => { | |
535 | additionalProperties => 0, | |
536 | properties => { | |
537 | expected => { | |
538 | type => 'integer', | |
539 | description => "Expected votes", | |
540 | minimum => 1, | |
541 | }, | |
542 | }, | |
543 | }, | |
544 | returns => { type => 'null' }, | |
545 | ||
546 | code => sub { | |
547 | my ($param) = @_; | |
548 | ||
549 | my $cmd = ['cman_tool', 'expected', '-e', $param->{expected}]; | |
550 | ||
551 | exec (@$cmd); | |
552 | ||
553 | exit (-1); # should not be reached | |
554 | ||
555 | }}); | |
556 | ||
557 | sub lsnode { | |
558 | ||
559 | my $res = {}; | |
560 | ||
561 | my $cmd = ['ccs_tool', 'lsnode', '-c', $clusterconf]; | |
562 | ||
563 | my $scan = 0; | |
564 | my $parser = sub { | |
565 | my $line = shift; | |
566 | ||
567 | if ($line =~ m/^Nodename\s+Votes\s+Nodeid\s/i) { | |
568 | $scan = 1; | |
569 | return; | |
570 | } | |
571 | return if !$scan; | |
572 | if ($line =~ m/^(\S+)\s+(\d+)\s+(\d+)\s/) { | |
573 | $res->{$1} = { | |
574 | name => $1, | |
575 | votes => $2, | |
576 | nodeid => $3 }; | |
577 | } | |
578 | }; | |
579 | ||
580 | PVE::Tools::run_command($cmd, outfunc => $parser); | |
581 | return $res; | |
582 | } | |
583 | ||
584 | __PACKAGE__->register_method ({ | |
585 | name => 'updatecerts', | |
586 | path => 'updatecerts', | |
587 | method => 'PUT', | |
bd0ae7ff | 588 | description => "Update node certificates (and generate all needed files/directories).", |
fe000966 DM |
589 | parameters => { |
590 | additionalProperties => 0, | |
591 | properties => { | |
592 | force => { | |
593 | description => "Force generation of new SSL certifate.", | |
594 | type => 'boolean', | |
595 | optional => 1, | |
596 | }, | |
597 | silent => { | |
598 | description => "Ignore errors (i.e. when cluster has no quorum).", | |
599 | type => 'boolean', | |
600 | optional => 1, | |
601 | }, | |
602 | }, | |
603 | }, | |
604 | returns => { type => 'null' }, | |
605 | code => sub { | |
606 | my ($param) = @_; | |
607 | ||
bd0ae7ff DM |
608 | PVE::Cluster::gen_pve_vzdump_symlink(); |
609 | ||
5bf1b615 | 610 | if (!PVE::Cluster::check_cfs_quorum(1)) { |
fe000966 DM |
611 | return undef if $param->{silent}; |
612 | die "no quorum - unable to update files\n"; | |
613 | } | |
614 | ||
615 | PVE::Cluster::gen_pve_node_files($nodename, $local_ip_address, $param->{force}); | |
616 | PVE::Cluster::ssh_merge_keys(); | |
617 | PVE::Cluster::ssh_merge_known_hosts($nodename, $local_ip_address); | |
bd0ae7ff | 618 | PVE::Cluster::gen_pve_vzdump_files(); |
fe000966 DM |
619 | |
620 | return undef; | |
621 | }}); | |
622 | ||
623 | ||
624 | my $cmddef = { | |
625 | keygen => [ __PACKAGE__, 'keygen', ['filename']], | |
626 | create => [ __PACKAGE__, 'create', ['clustername']], | |
627 | add => [ __PACKAGE__, 'add', ['hostname']], | |
628 | addnode => [ __PACKAGE__, 'addnode', ['node']], | |
629 | delnode => [ __PACKAGE__, 'delnode', ['node']], | |
630 | status => [ __PACKAGE__, 'status' ], | |
631 | nodes => [ __PACKAGE__, 'nodes' ], | |
632 | expected => [ __PACKAGE__, 'expected', ['expected']], | |
633 | updatecerts => [ __PACKAGE__, 'updatecerts', []], | |
634 | }; | |
635 | ||
636 | my $cmd = shift; | |
637 | ||
638 | if ($cmd && $cmd ne 'printmanpod' && $cmd ne 'verifyapi') { | |
639 | PVE::Cluster::check_cfs_is_mounted(); | |
640 | PVE::Cluster::cfs_update(); | |
641 | } | |
642 | ||
643 | PVE::CLIHandler::handle_cmd($cmddef, "pvecm", $cmd, \@ARGV, undef, $0); | |
644 | ||
645 | exit 0; | |
646 | ||
647 | __END__ | |
648 | ||
649 | =head1 NAME | |
650 | ||
651 | pvecm - Proxmox VE cluster manager toolkit | |
652 | ||
653 | =head1 SYNOPSIS | |
654 | ||
655 | =include synopsis | |
656 | ||
657 | =head1 DESCRIPTION | |
658 | ||
659 | pvecm is a program to manage the cluster configuration. It can be used | |
660 | to create a new cluster, join nodes to a cluster, leave the cluster, | |
661 | get status information and do various other cluster related tasks. | |
662 | ||
663 | =include pve_copyright | |
664 | ||
665 |