7 use Storable
qw(dclone);
12 use Digest
::HMAC_SHA1
;
29 use Data
::Dumper
; # fixme: remove
31 # x509 certificate utils
33 my $basedir = "/etc/pve";
34 my $authdir = "$basedir/priv";
35 my $lockdir = "/etc/pve/priv/lock";
37 my $authprivkeyfn = "$authdir/authkey.key";
38 my $authpubkeyfn = "$basedir/authkey.pub";
39 my $pveca_key_fn = "$authdir/pve-root-ca.key";
40 my $pveca_srl_fn = "$authdir/pve-root-ca.srl";
41 my $pveca_cert_fn = "$basedir/pve-root-ca.pem";
42 # this is just a secret accessable by the web browser
43 # and is used for CSRF prevention
44 my $pvewww_key_fn = "$basedir/pve-www.key";
47 my $ssh_rsa_id_priv = "/root/.ssh/id_rsa";
48 my $ssh_rsa_id = "/root/.ssh/id_rsa.pub";
49 my $ssh_host_rsa_id = "/etc/ssh/ssh_host_rsa_key.pub";
50 my $sshglobalknownhosts = "/etc/ssh/ssh_known_hosts";
51 my $sshknownhosts = "/etc/pve/priv/known_hosts";
52 my $sshauthkeys = "/etc/pve/priv/authorized_keys";
53 my $rootsshauthkeys = "/root/.ssh/authorized_keys";
54 my $rootsshauthkeysbackup = "${rootsshauthkeys}.org";
55 my $rootsshconfig = "/root/.ssh/config";
60 'datacenter.cfg' => 1,
62 'cluster.conf.new' => 1,
65 'priv/shadow.cfg' => 1,
70 # only write output if something fails
76 my $record_output = sub {
82 PVE
::Tools
::run_command
($cmd, outfunc
=> $record_output,
83 errfunc
=> $record_output);
94 sub check_cfs_quorum
{
97 # note: -w filename always return 1 for root, so wee need
98 # to use File::lstat here
99 my $st = File
::stat::lstat("$basedir/local");
100 my $quorate = ($st && (($st->mode & 0200) != 0));
102 die "cluster not ready - no quorum?\n" if !$quorate && !$noerr;
107 sub check_cfs_is_mounted
{
110 my $res = -l
"$basedir/local";
112 die "pve configuration filesystem not mounted\n"
121 check_cfs_is_mounted
();
123 my @required_dirs = (
126 "$basedir/nodes/$nodename",
127 "$basedir/nodes/$nodename/qemu-server",
128 "$basedir/nodes/$nodename/openvz",
129 "$basedir/nodes/$nodename/priv");
131 foreach my $dir (@required_dirs) {
133 mkdir($dir) || die "unable to create directory '$dir' - $!\n";
140 return if -f
"$authprivkeyfn";
142 check_cfs_is_mounted
();
144 mkdir $authdir || die "unable to create dir '$authdir' - $!\n";
146 my $cmd = "openssl genrsa -out '$authprivkeyfn' 2048";
147 run_silent_cmd
($cmd);
149 $cmd = "openssl rsa -in '$authprivkeyfn' -pubout -out '$authpubkeyfn'";
155 return if -f
$pveca_key_fn;
158 run_silent_cmd
(['openssl', 'genrsa', '-out', $pveca_key_fn, '2048']);
161 die "unable to generate pve ca key:\n$@" if $@;
166 if (-f
$pveca_key_fn && -f
$pveca_cert_fn) {
172 # we try to generate an unique 'subject' to avoid browser problems
173 # (reused serial numbers, ..)
174 my $nid = (split (/\s/, `md5sum '$pveca_key_fn'`))[0] || time();
177 run_silent_cmd
(['openssl', 'req', '-batch', '-days', '3650', '-new',
178 '-x509', '-nodes', '-key',
179 $pveca_key_fn, '-out', $pveca_cert_fn, '-subj',
180 "/CN=Proxmox Virtual Environment/OU=$nid/O=PVE Cluster Manager CA/"]);
183 die "generating pve root certificate failed:\n$@" if $@;
188 sub gen_pve_ssl_key
{
191 die "no node name specified" if !$nodename;
193 my $pvessl_key_fn = "$basedir/nodes/$nodename/pve-ssl.key";
195 return if -f
$pvessl_key_fn;
198 run_silent_cmd
(['openssl', 'genrsa', '-out', $pvessl_key_fn, '2048']);
201 die "unable to generate pve ssl key for node '$nodename':\n$@" if $@;
204 sub gen_pve_www_key
{
206 return if -f
$pvewww_key_fn;
209 run_silent_cmd
(['openssl', 'genrsa', '-out', $pvewww_key_fn, '2048']);
212 die "unable to generate pve www key:\n$@" if $@;
218 PVE
::Tools
::file_set_contents
($pveca_srl_fn, $serial);
221 sub gen_pve_ssl_cert
{
222 my ($force, $nodename, $ip) = @_;
224 die "no node name specified" if !$nodename;
225 die "no IP specified" if !$ip;
227 my $pvessl_cert_fn = "$basedir/nodes/$nodename/pve-ssl.pem";
229 return if !$force && -f
$pvessl_cert_fn;
231 my $names = "IP:127.0.0.1,DNS:localhost";
233 my $rc = PVE
::INotify
::read_file
('resolvconf');
237 my $fqdn = $nodename;
239 $names .= ",DNS:$nodename";
241 if ($rc && $rc->{search
}) {
242 $fqdn = $nodename . "." . $rc->{search
};
243 $names .= ",DNS:$fqdn";
246 my $sslconf = <<__EOD;
247 RANDFILE = /root/.rnd
252 distinguished_name = req_distinguished_name
253 req_extensions = v3_req
255 string_mask = nombstr
257 [ req_distinguished_name ]
258 organizationalUnitName = PVE Cluster Node
259 organizationName = Proxmox Virtual Environment
263 basicConstraints = CA:FALSE
265 keyUsage = nonRepudiation, digitalSignature, keyEncipherment
266 subjectAltName = $names
269 my $cfgfn = "/tmp/pvesslconf-$$.tmp";
270 my $fh = IO
::File-
>new ($cfgfn, "w");
274 my $reqfn = "/tmp/pvecertreq-$$.tmp";
277 my $pvessl_key_fn = "$basedir/nodes/$nodename/pve-ssl.key";
279 run_silent_cmd
(['openssl', 'req', '-batch', '-new', '-config', $cfgfn,
280 '-key', $pvessl_key_fn, '-out', $reqfn]);
286 die "unable to generate pve certificate request:\n$err";
289 update_serial
("0000000000000000") if ! -f
$pveca_srl_fn;
292 run_silent_cmd
(['openssl', 'x509', '-req', '-in', $reqfn, '-days', '3650',
293 '-out', $pvessl_cert_fn, '-CAkey', $pveca_key_fn,
294 '-CA', $pveca_cert_fn, '-CAserial', $pveca_srl_fn,
295 '-extfile', $cfgfn]);
301 die "unable to generate pve ssl certificate:\n$err";
308 sub gen_pve_node_files
{
309 my ($nodename, $ip, $opt_force) = @_;
311 gen_local_dirs
($nodename);
315 # make sure we have a (cluster wide) secret
316 # for CSRFR prevention
319 # make sure we have a (per node) private key
320 gen_pve_ssl_key
($nodename);
322 # make sure we have a CA
323 my $force = gen_pveca_cert
();
325 $force = 1 if $opt_force;
327 gen_pve_ssl_cert
($force, $nodename, $ip);
330 my $vzdump_cron_dummy = <<__EOD;
331 # cluster wide vzdump cron schedule
332 # Atomatically generated file - do not edit
334 PATH="/usr/sbin:/usr/bin:/sbin:/bin"
338 sub gen_pve_vzdump_symlink
{
340 my $filename = "/etc/pve/vzdump.cron";
342 my $link_fn = "/etc/cron.d/vzdump";
344 if ((-f
$filename) && (! -l
$link_fn)) {
345 rename($link_fn, "/root/etc_cron_vzdump.org"); # make backup if file exists
346 symlink($filename, $link_fn);
350 sub gen_pve_vzdump_files
{
352 my $filename = "/etc/pve/vzdump.cron";
354 PVE
::Tools
::file_set_contents
($filename, $vzdump_cron_dummy)
357 gen_pve_vzdump_symlink
();
364 my $ipcc_send_rec = sub {
365 my ($msgid, $data) = @_;
367 my $res = PVE
::IPCC
::ipcc_send_rec
($msgid, $data);
369 die "ipcc_send_rec failed: $!\n" if !defined($res) && ($! != 0);
374 my $ipcc_send_rec_json = sub {
375 my ($msgid, $data) = @_;
377 my $res = PVE
::IPCC
::ipcc_send_rec
($msgid, $data);
379 die "ipcc_send_rec failed: $!\n" if !defined($res) && ($! != 0);
381 return decode_json
($res);
384 my $ipcc_get_config = sub {
387 my $bindata = pack "Z*", $path;
388 my $res = PVE
::IPCC
::ipcc_send_rec
(6, $bindata);
389 if (!defined($res)) {
390 return undef if ($! != 0);
397 my $ipcc_get_status = sub {
398 my ($name, $nodename) = @_;
400 my $bindata = pack "Z[256]Z[256]", $name, ($nodename || "");
401 return PVE
::IPCC
::ipcc_send_rec
(5, $bindata);
404 my $ipcc_update_status = sub {
405 my ($name, $data) = @_;
407 my $raw = ref($data) ? encode_json
($data) : $data;
409 my $bindata = pack "Z[256]Z*", $name, $raw;
411 return &$ipcc_send_rec(4, $bindata);
415 my ($priority, $ident, $tag, $msg) = @_;
417 my $bindata = pack "CCCZ*Z*Z*", $priority, bytes
::length($ident) + 1,
418 bytes
::length($tag) + 1, $ident, $tag, $msg;
420 return &$ipcc_send_rec(7, $bindata);
423 my $ipcc_get_cluster_log = sub {
424 my ($user, $max) = @_;
426 $max = 0 if !defined($max);
428 my $bindata = pack "VVVVZ*", $max, 0, 0, 0, ($user || "");
429 return &$ipcc_send_rec(8, $bindata);
436 my $res = &$ipcc_send_rec_json(1);
437 #warn "GOT1: " . Dumper($res);
438 die "no starttime\n" if !$res->{starttime
};
440 if (!$res->{starttime
} || !$versions->{starttime
} ||
441 $res->{starttime
} != $versions->{starttime
}) {
442 #print "detected changed starttime\n";
460 if (!$clinfo->{version
} || $clinfo->{version
} != $versions->{clinfo
}) {
461 #warn "detected new clinfo\n";
462 $clinfo = &$ipcc_send_rec_json(2);
472 if (!$vmlist->{version
} || $vmlist->{version
} != $versions->{vmlist
}) {
473 #warn "detected new vmlist1\n";
474 $vmlist = &$ipcc_send_rec_json(3);
493 return $clinfo->{nodelist
};
498 my $nodelist = $clinfo->{nodelist
};
502 my $nodename = PVE
::INotify
::nodename
();
504 if (!$nodelist || !$nodelist->{$nodename}) {
505 return [ $nodename ];
508 return [ keys %$nodelist ];
511 sub broadcast_tasklist
{
515 &$ipcc_update_status("tasklist", $data);
521 my $tasklistcache = {};
526 my $kvstore = $versions->{kvstore
} || {};
528 my $nodelist = get_nodelist
();
531 foreach my $node (@$nodelist) {
532 next if $nodename && ($nodename ne $node);
534 my $ver = $kvstore->{$node}->{tasklist
} if $kvstore->{$node};
535 my $cd = $tasklistcache->{$node};
536 if (!$cd || !$ver || !$cd->{version
} ||
537 ($cd->{version
} != $ver)) {
538 my $raw = &$ipcc_get_status("tasklist", $node) || '[]';
539 my $data = decode_json
($raw);
541 $cd = $tasklistcache->{$node} = {
545 } elsif ($cd && $cd->{data
}) {
546 push @$res, @{$cd->{data
}};
550 syslog
('err', $err) if $err;
557 my ($rrdid, $data) = @_;
560 &$ipcc_update_status("rrd/$rrdid", $data);
567 my $last_rrd_dump = 0;
568 my $last_rrd_data = "";
574 my $diff = $ctime - $last_rrd_dump;
576 return $last_rrd_data;
581 $raw = &$ipcc_send_rec(10);
592 while ($raw =~ s/^(.*)\n//) {
593 my ($key, @ela) = split(/:/, $1);
595 next if !(scalar(@ela) > 1);
596 $res->{$key} = \
@ela;
599 $last_rrd_dump = $ctime;
600 $last_rrd_data = $res;
605 sub create_rrd_data
{
606 my ($rrdname, $timeframe, $cf) = @_;
608 my $rrddir = "/var/lib/rrdcached/db";
610 my $rrd = "$rrddir/$rrdname";
614 day
=> [ 60*30, 70 ],
615 week
=> [ 60*180, 70 ],
616 month
=> [ 60*720, 70 ],
617 year
=> [ 60*10080, 70 ],
620 my ($reso, $count) = @{$setup->{$timeframe}};
621 my $ctime = $reso*int(time()/$reso);
622 my $req_start = $ctime - $reso*$count;
624 $cf = "AVERAGE" if !$cf;
632 my $socket = "/var/run/rrdcached.sock";
633 push @args, "--daemon" => "unix:$socket" if -S
$socket;
635 my ($start, $step, $names, $data) = RRDs
::fetch
($rrd, $cf, @args);
637 my $err = RRDs
::error
;
638 die "RRD error: $err\n" if $err;
640 die "got wrong time resolution ($step != $reso)\n"
644 my $fields = scalar(@$names);
645 for my $line (@$data) {
646 my $entry = { 'time' => $start };
649 for (my $i = 0; $i < $fields; $i++) {
650 my $name = $names->[$i];
651 if (defined(my $val = $line->[$i])) {
652 $entry->{$name} = $val;
654 # we only add entryies with all data defined
655 # extjs chart has problems with undefined values
659 push @$res, $entry if !$found_undefs;
665 sub create_rrd_graph
{
666 my ($rrdname, $timeframe, $ds, $cf) = @_;
668 # Using RRD graph is clumsy - maybe it
669 # is better to simply fetch the data, and do all display
670 # related things with javascript (new extjs html5 graph library).
672 my $rrddir = "/var/lib/rrdcached/db";
674 my $rrd = "$rrddir/$rrdname";
676 my @ids = PVE
::Tools
::split_list
($ds);
678 my $ds_txt = join('_', @ids);
680 my $filename = "${rrd}_${ds_txt}.png";
684 day
=> [ 60*30, 70 ],
685 week
=> [ 60*180, 70 ],
686 month
=> [ 60*720, 70 ],
687 year
=> [ 60*10080, 70 ],
690 my ($reso, $count) = @{$setup->{$timeframe}};
693 "--imgformat" => "PNG",
697 "--start" => - $reso*$count,
701 my $socket = "/var/run/rrdcached.sock";
702 push @args, "--daemon" => "unix:$socket" if -S
$socket;
704 my @coldef = ('#00ddff', '#ff0000');
706 $cf = "AVERAGE" if !$cf;
709 foreach my $id (@ids) {
710 my $col = $coldef[$i++] || die "fixme: no color definition";
711 push @args, "DEF:${id}=$rrd:${id}:$cf";
713 if ($id eq 'cpu' || $id eq 'iowait') {
714 push @args, "CDEF:${id}_per=${id},100,*";
715 $dataid = "${id}_per";
717 push @args, "LINE2:${dataid}${col}:${id}";
720 push @args, '--full-size-mode';
722 # we do not really store data into the file
723 my $res = RRDs
::graphv
('', @args);
725 my $err = RRDs
::error
;
726 die "RRD error: $err\n" if $err;
728 return { filename
=> $filename, image
=> $res->{image
} };
731 # a fast way to read files (avoid fuse overhead)
735 return &$ipcc_get_config($path);
738 sub get_cluster_log
{
739 my ($user, $max) = @_;
741 return &$ipcc_get_cluster_log($user, $max);
746 sub cfs_register_file
{
747 my ($filename, $parser, $writer) = @_;
749 $observed->{$filename} || die "unknown file '$filename'";
751 die "file '$filename' already registered" if $file_info->{$filename};
753 $file_info->{$filename} = {
759 my $ccache_read = sub {
760 my ($filename, $parser, $version) = @_;
762 $ccache->{$filename} = {} if !$ccache->{$filename};
764 my $ci = $ccache->{$filename};
766 if (!$ci->{version
} || !$version || $ci->{version
} != $version) {
767 # we always call the parser, even when the file does not exists
768 # (in that case $data is undef)
769 my $data = get_config
($filename);
770 $ci->{data
} = &$parser("/etc/pve/$filename", $data);
771 $ci->{version
} = $version;
774 my $res = ref($ci->{data
}) ? dclone
($ci->{data
}) : $ci->{data
};
779 sub cfs_file_version
{
784 if ($filename =~ m!^nodes/[^/]+/(openvz|qemu-server)/(\d+)\.conf$!) {
785 my ($type, $vmid) = ($1, $2);
786 if ($vmlist && $vmlist->{ids
} && $vmlist->{ids
}->{$vmid}) {
787 $version = $vmlist->{ids
}->{$vmid}->{version
};
789 $infotag = "/$type/";
791 $infotag = $filename;
792 $version = $versions->{$filename};
795 my $info = $file_info->{$infotag} ||
796 die "unknown file type '$filename'\n";
798 return wantarray ?
($version, $info) : $version;
804 my ($version, $info) = cfs_file_version
($filename);
805 my $parser = $info->{parser
};
807 return &$ccache_read($filename, $parser, $version);
811 my ($filename, $data) = @_;
813 my ($version, $info) = cfs_file_version
($filename);
815 my $writer = $info->{writer
} || die "no writer defined";
817 my $fsname = "/etc/pve/$filename";
819 my $raw = &$writer($fsname, $data);
821 if (my $ci = $ccache->{$filename}) {
822 $ci->{version
} = undef;
825 PVE
::Tools
::file_set_contents
($fsname, $raw);
829 my ($lockid, $timeout, $code, @param) = @_;
833 # this timeout is for aquire the lock
834 $timeout = 10 if !$timeout;
836 my $filename = "$lockdir/$lockid";
838 my $msg = "can't aquire cfs lock '$lockid'";
845 die "$msg: pve cluster filesystem not online.\n";
848 local $SIG{ALRM
} = sub { die "got lock request timeout\n"; };
852 if (!(mkdir $filename)) {
853 print STDERR
"trying to aquire cfs lock '$lockid' ...";
855 if (!(mkdir $filename)) {
856 (utime 0, 0, $filename); # cfs unlock request
858 print STDERR
" OK\n";
865 # fixed command timeout: cfs locks have a timeout of 120
866 # using 60 gives us another 60 seconds to abort the task
868 local $SIG{ALRM
} = sub { die "got lock timeout - aborting command\n"; };
870 $res = &$code(@param);
879 if ($err && ($err eq "got lock request timeout\n") &&
880 !check_cfs_quorum
()){
881 $err = "$msg: no quorum!\n";
884 if (!$err || $err !~ /^got lock timeout -/) {
885 rmdir $filename; # cfs unlock
899 my ($filename, $timeout, $code, @param) = @_;
901 my $info = $observed->{$filename} || die "unknown file '$filename'";
903 my $lockid = "file-$filename";
904 $lockid =~ s/[.\/]/_
/g
;
906 &$cfs_lock($lockid, $timeout, $code, @param);
909 sub cfs_lock_storage
{
910 my ($storeid, $timeout, $code, @param) = @_;
912 my $lockid = "storage-$storeid";
914 &$cfs_lock($lockid, $timeout, $code, @param);
932 my ($priority, $ident, $msg) = @_;
934 if (my $tmp = $log_levels->{$priority}) {
938 die "need numeric log priority" if $priority !~ /^\d+$/;
940 my $tag = PVE
::SafeSyslog
::tag
();
942 $msg = "empty message" if !$msg;
944 $ident = "" if !$ident;
945 $ident = encode
("ascii", decode_utf8
($ident),
946 sub { sprintf "\\u%04x", shift });
948 my $utf8 = decode_utf8
($msg);
950 my $ascii = encode
("ascii", $utf8, sub { sprintf "\\u%04x", shift });
953 syslog
($priority, "<%s> %s", $ident, $ascii);
955 syslog
($priority, "%s", $ascii);
958 eval { &$ipcc_log($priority, $ident, $tag, $ascii); };
960 syslog
("err", "writing cluster log failed: $@") if $@;
963 sub check_node_exists
{
964 my ($nodename, $noerr) = @_;
966 my $nodelist = $clinfo->{nodelist
};
967 return 1 if $nodelist && $nodelist->{$nodename};
969 return undef if $noerr;
971 die "no such cluster node '$nodename'\n";
974 # this is also used to get the IP of the local node
976 my ($nodename, $noerr) = @_;
978 my $nodelist = $clinfo->{nodelist
};
979 if ($nodelist && $nodelist->{$nodename}) {
980 if (my $ip = $nodelist->{$nodename}->{ip
}) {
985 # fallback: try to get IP by other means
986 my $packed_ip = gethostbyname($nodename);
987 if (defined $packed_ip) {
988 my $ip = inet_ntoa
($packed_ip);
990 if ($ip =~ m/^127\./) {
991 die "hostname lookup failed - got local IP address ($nodename = $ip)\n" if !$noerr;
998 die "unable to get IP for node '$nodename' - node offline?\n" if !$noerr;
1003 # ssh related utility functions
1005 sub ssh_merge_keys
{
1006 # remove duplicate keys in $sshauthkeys
1007 # ssh-copy-id simply add keys, so the file can grow to large
1010 if (-f
$sshauthkeys) {
1011 $data = PVE
::Tools
::file_get_contents
($sshauthkeys, 128*1024);
1016 if (-f
$rootsshauthkeysbackup) {
1018 $data .= PVE
::Tools
::file_get_contents
($rootsshauthkeysbackup, 128*1024);
1023 # always add ourself
1024 if (-f
$ssh_rsa_id) {
1025 my $pub = PVE
::Tools
::file_get_contents
($ssh_rsa_id);
1027 $data .= "\n$pub\n";
1032 my @lines = split(/\n/, $data);
1033 foreach my $line (@lines) {
1034 if ($line !~ /^#/ && $line =~ m/(^|\s)ssh-(rsa|dsa)\s+(\S+)\s+\S+$/) {
1035 next if $vhash->{$3}++;
1037 $newdata .= "$line\n";
1040 PVE
::Tools
::file_set_contents
($sshauthkeys, $newdata, 0600);
1042 if ($found_backup && -l
$rootsshauthkeys) {
1043 # everything went well, so we can remove the backup
1044 unlink $rootsshauthkeysbackup;
1048 sub setup_rootsshconfig
{
1050 # create ssh config if it does not exist
1051 if (! -f
$rootsshconfig) {
1053 if (my $fh = IO
::File-
>new($rootsshconfig, O_CREAT
|O_WRONLY
|O_EXCL
, 0640)) {
1054 # this is the default ciphers list from debian openssl0.9.8 except blowfish is added as prefered
1055 print $fh "Ciphers blowfish-cbc,aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc\n";
1061 sub setup_ssh_keys
{
1063 # create ssh key if it does not exist
1064 if (! -f
$ssh_rsa_id) {
1065 mkdir '/root/.ssh/';
1066 system ("echo|ssh-keygen -t rsa -N '' -b 2048 -f ${ssh_rsa_id_priv}");
1073 if (! -f
$sshauthkeys) {
1075 if (-f
$rootsshauthkeys) {
1076 $old = PVE
::Tools
::file_get_contents
($rootsshauthkeys, 128*1024);
1078 if (my $fh = IO
::File-
>new ($sshauthkeys, O_CREAT
|O_WRONLY
|O_EXCL
, 0400)) {
1079 PVE
::Tools
::safe_print
($sshauthkeys, $fh, $old) if $old;
1085 warn "can't create shared ssh key database '$sshauthkeys'\n"
1086 if ! -f
$sshauthkeys;
1088 if (-f
$rootsshauthkeys && ! -l
$rootsshauthkeys) {
1089 if (!rename($rootsshauthkeys , $rootsshauthkeysbackup)) {
1090 warn "rename $rootsshauthkeys failed - $!\n";
1094 if (! -l
$rootsshauthkeys) {
1095 symlink $sshauthkeys, $rootsshauthkeys;
1098 if (! -l
$rootsshauthkeys) {
1099 warn "can't create symlink for ssh keys '$rootsshauthkeys' -> '$sshauthkeys'\n";
1101 unlink $rootsshauthkeysbackup if $import_ok;
1105 sub ssh_unmerge_known_hosts
{
1106 return if ! -l
$sshglobalknownhosts;
1109 $old = PVE
::Tools
::file_get_contents
($sshknownhosts, 128*1024)
1110 if -f
$sshknownhosts;
1112 PVE
::Tools
::file_set_contents
($sshglobalknownhosts, $old);
1115 sub ssh_merge_known_hosts
{
1116 my ($nodename, $ip_address, $createLink) = @_;
1118 die "no node name specified" if !$nodename;
1119 die "no ip address specified" if !$ip_address;
1123 if (! -f
$sshknownhosts) {
1124 if (my $fh = IO
::File-
>new($sshknownhosts, O_CREAT
|O_WRONLY
|O_EXCL
, 0600)) {
1129 my $old = PVE
::Tools
::file_get_contents
($sshknownhosts, 128*1024);
1133 if ((! -l
$sshglobalknownhosts) && (-f
$sshglobalknownhosts)) {
1134 $new = PVE
::Tools
::file_get_contents
($sshglobalknownhosts, 128*1024);
1137 my $hostkey = PVE
::Tools
::file_get_contents
($ssh_host_rsa_id);
1138 die "can't parse $ssh_rsa_id" if $hostkey !~ m/^(ssh-rsa\s\S+)(\s.*)?$/;
1147 my $merge_line = sub {
1148 my ($line, $all) = @_;
1150 if ($line =~ m/^(\S+)\s(ssh-rsa\s\S+)(\s.*)?$/) {
1153 if (!$vhash->{$key}) {
1155 if ($key =~ m/\|1\|([^\|\s]+)\|([^\|\s]+)$/) {
1156 my $salt = decode_base64
($1);
1158 my $hmac = Digest
::HMAC_SHA1-
>new($salt);
1159 $hmac->add($nodename);
1160 my $hd = $hmac->b64digest . '=';
1161 if ($digest eq $hd) {
1162 if ($rsakey eq $hostkey) {
1163 $found_nodename = 1;
1168 $hmac = Digest
::HMAC_SHA1-
>new($salt);
1169 $hmac->add($ip_address);
1170 $hd = $hmac->b64digest . '=';
1171 if ($digest eq $hd) {
1172 if ($rsakey eq $hostkey) {
1173 $found_local_ip = 1;
1186 while ($old && $old =~ s/^((.*?)(\n|$))//) {
1188 next if $line =~ m/^\s*$/; # skip empty lines
1189 next if $line =~ m/^#/; # skip comments
1190 &$merge_line($line, 1);
1193 while ($new && $new =~ s/^((.*?)(\n|$))//) {
1195 next if $line =~ m/^\s*$/; # skip empty lines
1196 next if $line =~ m/^#/; # skip comments
1197 &$merge_line($line);
1201 my $add_known_hosts_entry = sub {
1202 my ($name, $hostkey) = @_;
1204 my $hmac = Digest
::HMAC_SHA1-
>new("$addIndex" . time());
1205 my $b64salt = $hmac->b64digest . '=';
1206 $hmac = Digest
::HMAC_SHA1-
>new(decode_base64
($b64salt));
1208 my $digest = $hmac->b64digest . '=';
1209 $data .= "|1|$b64salt|$digest $hostkey\n";
1212 if (!$found_nodename || !$found_local_ip) {
1213 &$add_known_hosts_entry($nodename, $hostkey) if !$found_nodename;
1214 &$add_known_hosts_entry($ip_address, $hostkey) if !$found_local_ip;
1217 PVE
::Tools
::file_set_contents
($sshknownhosts, $data);
1219 return if !$createLink;
1221 unlink $sshglobalknownhosts;
1222 symlink $sshknownhosts, $sshglobalknownhosts;
1224 warn "can't create symlink for ssh known hosts '$sshglobalknownhosts' -> '$sshknownhosts'\n"
1225 if ! -l
$sshglobalknownhosts;
1229 my $datacenter_schema = {
1231 additionalProperties
=> 0,
1236 description
=> "Default keybord layout for vnc server.",
1237 enum
=> PVE
::Tools
::kvmkeymaplist
(),
1242 description
=> "Default GUI language.",
1243 enum
=> [ 'en', 'de' ],
1248 description
=> "Specify external http proxy which is used for downloads (example: 'http://username:password\@host:port/')",
1249 pattern
=> "http://.*",
1251 migration_unsecure
=> {
1254 description
=> "Migration is secure using SSH tunnel by default. For secure private networks you can disable it to speed up migration.",
1259 # make schema accessible from outside (for documentation)
1260 sub get_datacenter_schema
{ return $datacenter_schema };
1262 sub parse_datacenter_config
{
1263 my ($filename, $raw) = @_;
1265 return PVE
::JSONSchema
::parse_config
($datacenter_schema, $filename, $raw);
1268 sub write_datacenter_config
{
1269 my ($filename, $cfg) = @_;
1271 return PVE
::JSONSchema
::dump_config
($datacenter_schema, $filename, $cfg);
1274 cfs_register_file
('datacenter.cfg',
1275 \
&parse_datacenter_config
,
1276 \
&write_datacenter_config
);
1278 sub parse_cluster_conf
{
1279 my ($filename, $raw) = @_;
1283 my $digest = Digest
::SHA
::sha1_hex
(defined($raw) ?
$raw : '');
1285 my $createNode = sub {
1286 my ($expat, $tag, %attrib) = @_;
1287 $expat->{NodeCount
}++;
1288 return { text
=> $tag, id
=> $expat->{NodeCount
}, %attrib };
1294 $expat->{NodeCount
} = 0;
1295 $expat->{NodeStack
} = [];
1296 $expat->{CurNode
} = $expat->{Tree
} = &$createNode($expat, 'root');
1300 delete $expat->{CurNode
};
1301 delete $expat->{NodeStack
};
1307 my $parent = $expat->{CurNode
};
1308 push @{ $expat->{NodeStack
} }, $parent;
1309 my $node = &$createNode($expat, $tag, @_);
1310 push @{$expat->{CurNode
}->{children
}}, $node;
1311 $expat->{CurNode
} = $node;
1316 my $node = pop @{ $expat->{NodeStack
} };
1317 $expat->{CurNode
} = $node;
1322 my $parser = new XML
::Parser
(Handlers
=> $handlers);
1323 $conf = $parser->parse($raw);
1326 $conf->{digest
} = $digest;
1331 sub cluster_conf_version
{
1332 my ($conf, $noerr) = @_;
1334 if ($conf && $conf->{children
} && $conf->{children
}->[0]) {
1335 my $cluster = $conf->{children
}->[0];
1336 if ($cluster && ($cluster->{text
} eq 'cluster') &&
1337 $cluster->{config_version
}) {
1338 if (my $version = int($cluster->{config_version
})) {
1339 return wantarray ?
($version, $cluster) : $version;
1344 return undef if $noerr;
1346 die "no cluster config - unable to read version\n";
1349 sub cluster_conf_lookup_cluster_section
{
1350 my ($conf, $noerr) = @_;
1352 my ($version, $cluster) = cluster_conf_version
($conf, $noerr);
1357 sub cluster_conf_lookup_rm_section
{
1358 my ($conf, $create, $noerr) = @_;
1360 my $cluster = cluster_conf_lookup_cluster_section
($conf, $noerr);
1361 return undef if !$cluster;
1364 foreach my $child (@{$cluster->{children
}}) {
1365 if ($child->{text
} eq 'rm') {
1371 return undef if $noerr;
1372 die "no resource manager section\n";
1374 $rmsec = { text
=> 'rm' };
1375 push @{$cluster->{children
}}, $rmsec;
1381 sub cluster_conf_lookup_pvevm
{
1382 my ($conf, $create, $vmid, $noerr) = @_;
1384 my $rmsec = cluster_conf_lookup_rm_section
($conf, $create, $noerr);
1385 return undef if !$rmsec;
1388 foreach my $child (@{$rmsec->{children
}}) {
1389 if ($child->{text
} eq 'pvevm' && $child->{vmid
} eq $vmid) {
1396 return undef if $noerr;
1397 die "unable to find service 'pvevm:$vmid'\n";
1399 $vmref = { text
=> 'pvevm', vmid
=> $vmid };
1400 push @{$rmsec->{children
}}, $vmref;
1402 return undef if $noerr;
1403 die "unable to create service 'pvevm:$vmid' - already exists\n";
1409 sub xml_escape_attrib
{
1412 return '' if !defined($data);
1414 $data =~ s/&/&/sg;
1415 $data =~ s/</</sg;
1416 $data =~ s/>/>/sg;
1417 $data =~ s/"/"/sg;
1422 sub __cluster_conf_dump_node
{
1423 my ($node, $indend) = @_;
1427 $indend = '' if !defined($indend);
1431 foreach my $key (sort keys %$node) {
1432 my $value = $node->{$key};
1433 next if $key eq 'id' || $key eq 'text' || $key eq 'children';
1434 $attribs .= " $key=\"" . xml_escape_attrib
($value) . "\"";
1437 my $children = $node->{children
};
1439 if ($children && scalar(@$children)) {
1440 $xml .= "$indend<$node->{text}$attribs>\n";
1441 my $childindend = "$indend ";
1442 foreach my $child (@$children) {
1443 $xml .= __cluster_conf_dump_node
($child, $childindend);
1445 $xml .= "$indend</$node->{text}>\n";
1447 $xml .= "$indend<$node->{text}$attribs/>\n";
1453 sub write_cluster_conf
{
1454 my ($filename, $cfg) = @_;
1456 my $version = cluster_conf_version
($cfg);
1458 my $res = "<?xml version=\"1.0\"?>\n";
1460 $res .= __cluster_conf_dump_node
($cfg->{children
}->[0]);
1465 # read only - use "rename cluster.conf.new cluster.conf" to write
1466 PVE
::Cluster
::cfs_register_file
('cluster.conf', \
&parse_cluster_conf
);
1467 # this is read/write
1468 PVE
::Cluster
::cfs_register_file
('cluster.conf.new', \
&parse_cluster_conf
,
1469 \
&write_cluster_conf
);