8 use Storable
qw(dclone);
13 use Digest
::HMAC_SHA1
;
30 use Data
::Dumper
; # fixme: remove
32 # x509 certificate utils
34 my $basedir = "/etc/pve";
35 my $authdir = "$basedir/priv";
36 my $lockdir = "/etc/pve/priv/lock";
38 my $authprivkeyfn = "$authdir/authkey.key";
39 my $authpubkeyfn = "$basedir/authkey.pub";
40 my $pveca_key_fn = "$authdir/pve-root-ca.key";
41 my $pveca_srl_fn = "$authdir/pve-root-ca.srl";
42 my $pveca_cert_fn = "$basedir/pve-root-ca.pem";
43 # this is just a secret accessable by the web browser
44 # and is used for CSRF prevention
45 my $pvewww_key_fn = "$basedir/pve-www.key";
48 my $ssh_rsa_id_priv = "/root/.ssh/id_rsa";
49 my $ssh_rsa_id = "/root/.ssh/id_rsa.pub";
50 my $ssh_host_rsa_id = "/etc/ssh/ssh_host_rsa_key.pub";
51 my $sshglobalknownhosts = "/etc/ssh/ssh_known_hosts";
52 my $sshknownhosts = "/etc/pve/priv/known_hosts";
53 my $sshauthkeys = "/etc/pve/priv/authorized_keys";
54 my $sshd_config_fn = "/etc/ssh/sshd_config";
55 my $rootsshauthkeys = "/root/.ssh/authorized_keys";
56 my $rootsshauthkeysbackup = "${rootsshauthkeys}.org";
57 my $rootsshconfig = "/root/.ssh/config";
62 'datacenter.cfg' => 1,
64 'corosync.conf.new' => 1,
67 'priv/shadow.cfg' => 1,
71 'ha/crm_commands' => 1,
72 'ha/manager_status' => 1,
73 'ha/resources.cfg' => 1,
78 # only write output if something fails
84 my $record_output = sub {
90 PVE
::Tools
::run_command
($cmd, outfunc
=> $record_output,
91 errfunc
=> $record_output);
102 sub check_cfs_quorum
{
105 # note: -w filename always return 1 for root, so wee need
106 # to use File::lstat here
107 my $st = File
::stat::lstat("$basedir/local");
108 my $quorate = ($st && (($st->mode & 0200) != 0));
110 die "cluster not ready - no quorum?\n" if !$quorate && !$noerr;
115 sub check_cfs_is_mounted
{
118 my $res = -l
"$basedir/local";
120 die "pve configuration filesystem not mounted\n"
129 check_cfs_is_mounted
();
131 my @required_dirs = (
134 "$basedir/nodes/$nodename",
135 "$basedir/nodes/$nodename/lxc",
136 "$basedir/nodes/$nodename/qemu-server",
137 "$basedir/nodes/$nodename/openvz",
138 "$basedir/nodes/$nodename/priv");
140 foreach my $dir (@required_dirs) {
142 mkdir($dir) || $! == EEXIST
|| die "unable to create directory '$dir' - $!\n";
149 return if -f
"$authprivkeyfn";
151 check_cfs_is_mounted
();
153 mkdir $authdir || $! == EEXIST
|| die "unable to create dir '$authdir' - $!\n";
155 my $cmd = "openssl genrsa -out '$authprivkeyfn' 2048";
156 run_silent_cmd
($cmd);
158 $cmd = "openssl rsa -in '$authprivkeyfn' -pubout -out '$authpubkeyfn'";
164 return if -f
$pveca_key_fn;
167 run_silent_cmd
(['openssl', 'genrsa', '-out', $pveca_key_fn, '2048']);
170 die "unable to generate pve ca key:\n$@" if $@;
175 if (-f
$pveca_key_fn && -f
$pveca_cert_fn) {
181 # we try to generate an unique 'subject' to avoid browser problems
182 # (reused serial numbers, ..)
183 my $nid = (split (/\s/, `md5sum '$pveca_key_fn'`))[0] || time();
186 run_silent_cmd
(['openssl', 'req', '-batch', '-days', '3650', '-new',
187 '-x509', '-nodes', '-key',
188 $pveca_key_fn, '-out', $pveca_cert_fn, '-subj',
189 "/CN=Proxmox Virtual Environment/OU=$nid/O=PVE Cluster Manager CA/"]);
192 die "generating pve root certificate failed:\n$@" if $@;
197 sub gen_pve_ssl_key
{
200 die "no node name specified" if !$nodename;
202 my $pvessl_key_fn = "$basedir/nodes/$nodename/pve-ssl.key";
204 return if -f
$pvessl_key_fn;
207 run_silent_cmd
(['openssl', 'genrsa', '-out', $pvessl_key_fn, '2048']);
210 die "unable to generate pve ssl key for node '$nodename':\n$@" if $@;
213 sub gen_pve_www_key
{
215 return if -f
$pvewww_key_fn;
218 run_silent_cmd
(['openssl', 'genrsa', '-out', $pvewww_key_fn, '2048']);
221 die "unable to generate pve www key:\n$@" if $@;
227 PVE
::Tools
::file_set_contents
($pveca_srl_fn, $serial);
230 sub gen_pve_ssl_cert
{
231 my ($force, $nodename, $ip) = @_;
233 die "no node name specified" if !$nodename;
234 die "no IP specified" if !$ip;
236 my $pvessl_cert_fn = "$basedir/nodes/$nodename/pve-ssl.pem";
238 return if !$force && -f
$pvessl_cert_fn;
240 my $names = "IP:127.0.0.1,IP:::1,DNS:localhost";
242 my $rc = PVE
::INotify
::read_file
('resolvconf');
246 my $fqdn = $nodename;
248 $names .= ",DNS:$nodename";
250 if ($rc && $rc->{search
}) {
251 $fqdn = $nodename . "." . $rc->{search
};
252 $names .= ",DNS:$fqdn";
255 my $sslconf = <<__EOD;
256 RANDFILE = /root/.rnd
261 distinguished_name = req_distinguished_name
262 req_extensions = v3_req
264 string_mask = nombstr
266 [ req_distinguished_name ]
267 organizationalUnitName = PVE Cluster Node
268 organizationName = Proxmox Virtual Environment
272 basicConstraints = CA:FALSE
274 keyUsage = nonRepudiation, digitalSignature, keyEncipherment
275 subjectAltName = $names
278 my $cfgfn = "/tmp/pvesslconf-$$.tmp";
279 my $fh = IO
::File-
>new ($cfgfn, "w");
283 my $reqfn = "/tmp/pvecertreq-$$.tmp";
286 my $pvessl_key_fn = "$basedir/nodes/$nodename/pve-ssl.key";
288 run_silent_cmd
(['openssl', 'req', '-batch', '-new', '-config', $cfgfn,
289 '-key', $pvessl_key_fn, '-out', $reqfn]);
295 die "unable to generate pve certificate request:\n$err";
298 update_serial
("0000000000000000") if ! -f
$pveca_srl_fn;
301 run_silent_cmd
(['openssl', 'x509', '-req', '-in', $reqfn, '-days', '3650',
302 '-out', $pvessl_cert_fn, '-CAkey', $pveca_key_fn,
303 '-CA', $pveca_cert_fn, '-CAserial', $pveca_srl_fn,
304 '-extfile', $cfgfn]);
310 die "unable to generate pve ssl certificate:\n$err";
317 sub gen_pve_node_files
{
318 my ($nodename, $ip, $opt_force) = @_;
320 gen_local_dirs
($nodename);
324 # make sure we have a (cluster wide) secret
325 # for CSRFR prevention
328 # make sure we have a (per node) private key
329 gen_pve_ssl_key
($nodename);
331 # make sure we have a CA
332 my $force = gen_pveca_cert
();
334 $force = 1 if $opt_force;
336 gen_pve_ssl_cert
($force, $nodename, $ip);
339 my $vzdump_cron_dummy = <<__EOD;
340 # cluster wide vzdump cron schedule
341 # Atomatically generated file - do not edit
343 PATH="/usr/sbin:/usr/bin:/sbin:/bin"
347 sub gen_pve_vzdump_symlink
{
349 my $filename = "/etc/pve/vzdump.cron";
351 my $link_fn = "/etc/cron.d/vzdump";
353 if ((-f
$filename) && (! -l
$link_fn)) {
354 rename($link_fn, "/root/etc_cron_vzdump.org"); # make backup if file exists
355 symlink($filename, $link_fn);
359 sub gen_pve_vzdump_files
{
361 my $filename = "/etc/pve/vzdump.cron";
363 PVE
::Tools
::file_set_contents
($filename, $vzdump_cron_dummy)
366 gen_pve_vzdump_symlink
();
373 my $ipcc_send_rec = sub {
374 my ($msgid, $data) = @_;
376 my $res = PVE
::IPCC
::ipcc_send_rec
($msgid, $data);
378 die "ipcc_send_rec failed: $!\n" if !defined($res) && ($! != 0);
383 my $ipcc_send_rec_json = sub {
384 my ($msgid, $data) = @_;
386 my $res = PVE
::IPCC
::ipcc_send_rec
($msgid, $data);
388 die "ipcc_send_rec failed: $!\n" if !defined($res) && ($! != 0);
390 return decode_json
($res);
393 my $ipcc_get_config = sub {
396 my $bindata = pack "Z*", $path;
397 my $res = PVE
::IPCC
::ipcc_send_rec
(6, $bindata);
398 if (!defined($res)) {
399 return undef if ($! != 0);
406 my $ipcc_get_status = sub {
407 my ($name, $nodename) = @_;
409 my $bindata = pack "Z[256]Z[256]", $name, ($nodename || "");
410 return PVE
::IPCC
::ipcc_send_rec
(5, $bindata);
413 my $ipcc_update_status = sub {
414 my ($name, $data) = @_;
416 my $raw = ref($data) ? encode_json
($data) : $data;
418 my $bindata = pack "Z[256]Z*", $name, $raw;
420 return &$ipcc_send_rec(4, $bindata);
424 my ($priority, $ident, $tag, $msg) = @_;
426 my $bindata = pack "CCCZ*Z*Z*", $priority, bytes
::length($ident) + 1,
427 bytes
::length($tag) + 1, $ident, $tag, $msg;
429 return &$ipcc_send_rec(7, $bindata);
432 my $ipcc_get_cluster_log = sub {
433 my ($user, $max) = @_;
435 $max = 0 if !defined($max);
437 my $bindata = pack "VVVVZ*", $max, 0, 0, 0, ($user || "");
438 return &$ipcc_send_rec(8, $bindata);
445 my $res = &$ipcc_send_rec_json(1);
446 #warn "GOT1: " . Dumper($res);
447 die "no starttime\n" if !$res->{starttime
};
449 if (!$res->{starttime
} || !$versions->{starttime
} ||
450 $res->{starttime
} != $versions->{starttime
}) {
451 #print "detected changed starttime\n";
469 if (!$clinfo->{version
} || $clinfo->{version
} != $versions->{clinfo
}) {
470 #warn "detected new clinfo\n";
471 $clinfo = &$ipcc_send_rec_json(2);
481 if (!$vmlist->{version
} || $vmlist->{version
} != $versions->{vmlist
}) {
482 #warn "detected new vmlist1\n";
483 $vmlist = &$ipcc_send_rec_json(3);
502 return $clinfo->{nodelist
};
507 my $nodelist = $clinfo->{nodelist
};
511 my $nodename = PVE
::INotify
::nodename
();
513 if (!$nodelist || !$nodelist->{$nodename}) {
514 return [ $nodename ];
517 return [ keys %$nodelist ];
520 sub broadcast_tasklist
{
524 &$ipcc_update_status("tasklist", $data);
530 my $tasklistcache = {};
535 my $kvstore = $versions->{kvstore
} || {};
537 my $nodelist = get_nodelist
();
540 foreach my $node (@$nodelist) {
541 next if $nodename && ($nodename ne $node);
543 my $ver = $kvstore->{$node}->{tasklist
} if $kvstore->{$node};
544 my $cd = $tasklistcache->{$node};
545 if (!$cd || !$ver || !$cd->{version
} ||
546 ($cd->{version
} != $ver)) {
547 my $raw = &$ipcc_get_status("tasklist", $node) || '[]';
548 my $data = decode_json
($raw);
550 $cd = $tasklistcache->{$node} = {
554 } elsif ($cd && $cd->{data
}) {
555 push @$res, @{$cd->{data
}};
559 syslog
('err', $err) if $err;
566 my ($rrdid, $data) = @_;
569 &$ipcc_update_status("rrd/$rrdid", $data);
576 my $last_rrd_dump = 0;
577 my $last_rrd_data = "";
583 my $diff = $ctime - $last_rrd_dump;
585 return $last_rrd_data;
590 $raw = &$ipcc_send_rec(10);
602 while ($raw =~ s/^(.*)\n//) {
603 my ($key, @ela) = split(/:/, $1);
605 next if !(scalar(@ela) > 1);
606 $res->{$key} = \
@ela;
610 $last_rrd_dump = $ctime;
611 $last_rrd_data = $res;
616 sub create_rrd_data
{
617 my ($rrdname, $timeframe, $cf) = @_;
619 my $rrddir = "/var/lib/rrdcached/db";
621 my $rrd = "$rrddir/$rrdname";
625 day
=> [ 60*30, 70 ],
626 week
=> [ 60*180, 70 ],
627 month
=> [ 60*720, 70 ],
628 year
=> [ 60*10080, 70 ],
631 my ($reso, $count) = @{$setup->{$timeframe}};
632 my $ctime = $reso*int(time()/$reso);
633 my $req_start = $ctime - $reso*$count;
635 $cf = "AVERAGE" if !$cf;
643 my $socket = "/var/run/rrdcached.sock";
644 push @args, "--daemon" => "unix:$socket" if -S
$socket;
646 my ($start, $step, $names, $data) = RRDs
::fetch
($rrd, $cf, @args);
648 my $err = RRDs
::error
;
649 die "RRD error: $err\n" if $err;
651 die "got wrong time resolution ($step != $reso)\n"
655 my $fields = scalar(@$names);
656 for my $line (@$data) {
657 my $entry = { 'time' => $start };
660 for (my $i = 0; $i < $fields; $i++) {
661 my $name = $names->[$i];
662 if (defined(my $val = $line->[$i])) {
663 $entry->{$name} = $val;
665 # we only add entryies with all data defined
666 # extjs chart has problems with undefined values
670 push @$res, $entry if !$found_undefs;
676 sub create_rrd_graph
{
677 my ($rrdname, $timeframe, $ds, $cf) = @_;
679 # Using RRD graph is clumsy - maybe it
680 # is better to simply fetch the data, and do all display
681 # related things with javascript (new extjs html5 graph library).
683 my $rrddir = "/var/lib/rrdcached/db";
685 my $rrd = "$rrddir/$rrdname";
687 my @ids = PVE
::Tools
::split_list
($ds);
689 my $ds_txt = join('_', @ids);
691 my $filename = "${rrd}_${ds_txt}.png";
695 day
=> [ 60*30, 70 ],
696 week
=> [ 60*180, 70 ],
697 month
=> [ 60*720, 70 ],
698 year
=> [ 60*10080, 70 ],
701 my ($reso, $count) = @{$setup->{$timeframe}};
704 "--imgformat" => "PNG",
708 "--start" => - $reso*$count,
712 my $socket = "/var/run/rrdcached.sock";
713 push @args, "--daemon" => "unix:$socket" if -S
$socket;
715 my @coldef = ('#00ddff', '#ff0000');
717 $cf = "AVERAGE" if !$cf;
720 foreach my $id (@ids) {
721 my $col = $coldef[$i++] || die "fixme: no color definition";
722 push @args, "DEF:${id}=$rrd:${id}:$cf";
724 if ($id eq 'cpu' || $id eq 'iowait') {
725 push @args, "CDEF:${id}_per=${id},100,*";
726 $dataid = "${id}_per";
728 push @args, "LINE2:${dataid}${col}:${id}";
731 push @args, '--full-size-mode';
733 # we do not really store data into the file
734 my $res = RRDs
::graphv
('', @args);
736 my $err = RRDs
::error
;
737 die "RRD error: $err\n" if $err;
739 return { filename
=> $filename, image
=> $res->{image
} };
742 # a fast way to read files (avoid fuse overhead)
746 return &$ipcc_get_config($path);
749 sub get_cluster_log
{
750 my ($user, $max) = @_;
752 return &$ipcc_get_cluster_log($user, $max);
757 sub cfs_register_file
{
758 my ($filename, $parser, $writer) = @_;
760 $observed->{$filename} || die "unknown file '$filename'";
762 die "file '$filename' already registered" if $file_info->{$filename};
764 $file_info->{$filename} = {
770 my $ccache_read = sub {
771 my ($filename, $parser, $version) = @_;
773 $ccache->{$filename} = {} if !$ccache->{$filename};
775 my $ci = $ccache->{$filename};
777 if (!$ci->{version
} || !$version || $ci->{version
} != $version) {
778 # we always call the parser, even when the file does not exists
779 # (in that case $data is undef)
780 my $data = get_config
($filename);
781 $ci->{data
} = &$parser("/etc/pve/$filename", $data);
782 $ci->{version
} = $version;
785 my $res = ref($ci->{data
}) ? dclone
($ci->{data
}) : $ci->{data
};
790 sub cfs_file_version
{
795 if ($filename =~ m!^nodes/[^/]+/(openvz|lxc|qemu-server)/(\d+)\.conf$!) {
796 my ($type, $vmid) = ($1, $2);
797 if ($vmlist && $vmlist->{ids
} && $vmlist->{ids
}->{$vmid}) {
798 $version = $vmlist->{ids
}->{$vmid}->{version
};
800 $infotag = "/$type/";
802 $infotag = $filename;
803 $version = $versions->{$filename};
806 my $info = $file_info->{$infotag} ||
807 die "unknown file type '$filename'\n";
809 return wantarray ?
($version, $info) : $version;
815 my ($version, $info) = cfs_file_version
($filename);
816 my $parser = $info->{parser
};
818 return &$ccache_read($filename, $parser, $version);
822 my ($filename, $data) = @_;
824 my ($version, $info) = cfs_file_version
($filename);
826 my $writer = $info->{writer
} || die "no writer defined";
828 my $fsname = "/etc/pve/$filename";
830 my $raw = &$writer($fsname, $data);
832 if (my $ci = $ccache->{$filename}) {
833 $ci->{version
} = undef;
836 PVE
::Tools
::file_set_contents
($fsname, $raw);
840 my ($lockid, $timeout, $code, @param) = @_;
844 # this timeout is for aquire the lock
845 $timeout = 10 if !$timeout;
847 my $filename = "$lockdir/$lockid";
849 my $msg = "can't aquire cfs lock '$lockid'";
856 die "$msg: pve cluster filesystem not online.\n";
859 local $SIG{ALRM
} = sub { die "got lock request timeout\n"; };
863 if (!(mkdir $filename)) {
864 print STDERR
"trying to aquire cfs lock '$lockid' ...";
866 if (!(mkdir $filename)) {
867 (utime 0, 0, $filename); # cfs unlock request
869 print STDERR
" OK\n";
876 # fixed command timeout: cfs locks have a timeout of 120
877 # using 60 gives us another 60 seconds to abort the task
879 local $SIG{ALRM
} = sub { die "got lock timeout - aborting command\n"; };
881 cfs_update
(); # make sure we read latest versions inside code()
883 $res = &$code(@param);
892 if ($err && ($err eq "got lock request timeout\n") &&
893 !check_cfs_quorum
()){
894 $err = "$msg: no quorum!\n";
897 if (!$err || $err !~ /^got lock timeout -/) {
898 rmdir $filename; # cfs unlock
912 my ($filename, $timeout, $code, @param) = @_;
914 my $info = $observed->{$filename} || die "unknown file '$filename'";
916 my $lockid = "file-$filename";
917 $lockid =~ s/[.\/]/_
/g
;
919 &$cfs_lock($lockid, $timeout, $code, @param);
922 sub cfs_lock_storage
{
923 my ($storeid, $timeout, $code, @param) = @_;
925 my $lockid = "storage-$storeid";
927 &$cfs_lock($lockid, $timeout, $code, @param);
945 my ($priority, $ident, $msg) = @_;
947 if (my $tmp = $log_levels->{$priority}) {
951 die "need numeric log priority" if $priority !~ /^\d+$/;
953 my $tag = PVE
::SafeSyslog
::tag
();
955 $msg = "empty message" if !$msg;
957 $ident = "" if !$ident;
958 $ident = encode
("ascii", decode_utf8
($ident),
959 sub { sprintf "\\u%04x", shift });
961 my $utf8 = decode_utf8
($msg);
963 my $ascii = encode
("ascii", $utf8, sub { sprintf "\\u%04x", shift });
966 syslog
($priority, "<%s> %s", $ident, $ascii);
968 syslog
($priority, "%s", $ascii);
971 eval { &$ipcc_log($priority, $ident, $tag, $ascii); };
973 syslog
("err", "writing cluster log failed: $@") if $@;
976 sub check_vmid_unused
{
977 my ($vmid, $noerr) = @_;
979 my $vmlist = get_vmlist
();
981 my $d = $vmlist->{ids
}->{$vmid};
982 return 1 if !defined($d);
984 return undef if $noerr;
986 die "VM $vmid already exists\n" if $d->{type
} eq 'qemu';
988 die "CT $vmid already exists\n";
991 sub check_node_exists
{
992 my ($nodename, $noerr) = @_;
994 my $nodelist = $clinfo->{nodelist
};
995 return 1 if $nodelist && $nodelist->{$nodename};
997 return undef if $noerr;
999 die "no such cluster node '$nodename'\n";
1002 # this is also used to get the IP of the local node
1003 sub remote_node_ip
{
1004 my ($nodename, $noerr) = @_;
1006 my $nodelist = $clinfo->{nodelist
};
1007 if ($nodelist && $nodelist->{$nodename}) {
1008 if (my $ip = $nodelist->{$nodename}->{ip
}) {
1009 return $ip if !wantarray;
1010 my $family = $nodelist->{$nodename}->{address_family
};
1012 $nodelist->{$nodename}->{address_family
} =
1014 PVE
::Tools
::get_host_address_family
($ip);
1016 return ($ip, $family);
1020 # fallback: try to get IP by other means
1021 my ($family, $packed_ip);
1024 my @res = PVE
::Tools
::getaddrinfo_all
($nodename);
1025 $family = $res[0]->{family
};
1026 $packed_ip = (PVE
::Tools
::unpack_sockaddr_in46
($res[0]->{addr
}))[2];
1030 die "hostname lookup failed:\n$@" if !$noerr;
1034 my $ip = Socket
::inet_ntop
($family, $packed_ip);
1035 if ($ip =~ m/^127\.|^::1$/) {
1036 die "hostname lookup failed - got local IP address ($nodename = $ip)\n" if !$noerr;
1040 return wantarray ?
($ip, $family) : $ip;
1043 # ssh related utility functions
1045 sub ssh_merge_keys
{
1046 # remove duplicate keys in $sshauthkeys
1047 # ssh-copy-id simply add keys, so the file can grow to large
1050 if (-f
$sshauthkeys) {
1051 $data = PVE
::Tools
::file_get_contents
($sshauthkeys, 128*1024);
1056 if (-f
$rootsshauthkeysbackup) {
1058 $data .= PVE
::Tools
::file_get_contents
($rootsshauthkeysbackup, 128*1024);
1063 # always add ourself
1064 if (-f
$ssh_rsa_id) {
1065 my $pub = PVE
::Tools
::file_get_contents
($ssh_rsa_id);
1067 $data .= "\n$pub\n";
1072 my @lines = split(/\n/, $data);
1073 foreach my $line (@lines) {
1074 if ($line !~ /^#/ && $line =~ m/(^|\s)ssh-(rsa|dsa)\s+(\S+)\s+\S+$/) {
1075 next if $vhash->{$3}++;
1077 $newdata .= "$line\n";
1080 PVE
::Tools
::file_set_contents
($sshauthkeys, $newdata, 0600);
1082 if ($found_backup && -l
$rootsshauthkeys) {
1083 # everything went well, so we can remove the backup
1084 unlink $rootsshauthkeysbackup;
1088 sub setup_sshd_config
{
1090 my $conf = PVE
::Tools
::file_get_contents
($sshd_config_fn);
1092 return if $conf =~ m/^PermitRootLogin\s+yes\s*$/m;
1094 if ($conf !~ s/^#?PermitRootLogin.*$/PermitRootLogin yes/m) {
1096 $conf .= "\nPermitRootLogin yes\n";
1099 PVE
::Tools
::file_set_contents
($sshd_config_fn, $conf);
1101 PVE
::Tools
::run_command
(['systemctl', 'reload-or-restart', 'sshd']);
1104 sub setup_rootsshconfig
{
1106 # create ssh key if it does not exist
1107 if (! -f
$ssh_rsa_id) {
1108 mkdir '/root/.ssh/';
1109 system ("echo|ssh-keygen -t rsa -N '' -b 2048 -f ${ssh_rsa_id_priv}");
1112 # create ssh config if it does not exist
1113 if (! -f
$rootsshconfig) {
1115 if (my $fh = IO
::File-
>new($rootsshconfig, O_CREAT
|O_WRONLY
|O_EXCL
, 0640)) {
1116 # this is the default ciphers list from debian openssl0.9.8 except blowfish is added as prefered
1117 print $fh "Ciphers blowfish-cbc,aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc\n";
1123 sub setup_ssh_keys
{
1129 if (! -f
$sshauthkeys) {
1131 if (-f
$rootsshauthkeys) {
1132 $old = PVE
::Tools
::file_get_contents
($rootsshauthkeys, 128*1024);
1134 if (my $fh = IO
::File-
>new ($sshauthkeys, O_CREAT
|O_WRONLY
|O_EXCL
, 0400)) {
1135 PVE
::Tools
::safe_print
($sshauthkeys, $fh, $old) if $old;
1141 warn "can't create shared ssh key database '$sshauthkeys'\n"
1142 if ! -f
$sshauthkeys;
1144 if (-f
$rootsshauthkeys && ! -l
$rootsshauthkeys) {
1145 if (!rename($rootsshauthkeys , $rootsshauthkeysbackup)) {
1146 warn "rename $rootsshauthkeys failed - $!\n";
1150 if (! -l
$rootsshauthkeys) {
1151 symlink $sshauthkeys, $rootsshauthkeys;
1154 if (! -l
$rootsshauthkeys) {
1155 warn "can't create symlink for ssh keys '$rootsshauthkeys' -> '$sshauthkeys'\n";
1157 unlink $rootsshauthkeysbackup if $import_ok;
1161 sub ssh_unmerge_known_hosts
{
1162 return if ! -l
$sshglobalknownhosts;
1165 $old = PVE
::Tools
::file_get_contents
($sshknownhosts, 128*1024)
1166 if -f
$sshknownhosts;
1168 PVE
::Tools
::file_set_contents
($sshglobalknownhosts, $old);
1171 sub ssh_merge_known_hosts
{
1172 my ($nodename, $ip_address, $createLink) = @_;
1174 die "no node name specified" if !$nodename;
1175 die "no ip address specified" if !$ip_address;
1179 if (! -f
$sshknownhosts) {
1180 if (my $fh = IO
::File-
>new($sshknownhosts, O_CREAT
|O_WRONLY
|O_EXCL
, 0600)) {
1185 my $old = PVE
::Tools
::file_get_contents
($sshknownhosts, 128*1024);
1189 if ((! -l
$sshglobalknownhosts) && (-f
$sshglobalknownhosts)) {
1190 $new = PVE
::Tools
::file_get_contents
($sshglobalknownhosts, 128*1024);
1193 my $hostkey = PVE
::Tools
::file_get_contents
($ssh_host_rsa_id);
1194 # Note: file sometimes containe emty lines at start, so we use multiline match
1195 die "can't parse $ssh_host_rsa_id" if $hostkey !~ m/^(ssh-rsa\s\S+)(\s.*)?$/m;
1204 my $merge_line = sub {
1205 my ($line, $all) = @_;
1207 if ($line =~ m/^(\S+)\s(ssh-rsa\s\S+)(\s.*)?$/) {
1210 if (!$vhash->{$key}) {
1212 if ($key =~ m/\|1\|([^\|\s]+)\|([^\|\s]+)$/) {
1213 my $salt = decode_base64
($1);
1215 my $hmac = Digest
::HMAC_SHA1-
>new($salt);
1216 $hmac->add($nodename);
1217 my $hd = $hmac->b64digest . '=';
1218 if ($digest eq $hd) {
1219 if ($rsakey eq $hostkey) {
1220 $found_nodename = 1;
1225 $hmac = Digest
::HMAC_SHA1-
>new($salt);
1226 $hmac->add($ip_address);
1227 $hd = $hmac->b64digest . '=';
1228 if ($digest eq $hd) {
1229 if ($rsakey eq $hostkey) {
1230 $found_local_ip = 1;
1243 while ($old && $old =~ s/^((.*?)(\n|$))//) {
1245 next if $line =~ m/^\s*$/; # skip empty lines
1246 next if $line =~ m/^#/; # skip comments
1247 &$merge_line($line, 1);
1250 while ($new && $new =~ s/^((.*?)(\n|$))//) {
1252 next if $line =~ m/^\s*$/; # skip empty lines
1253 next if $line =~ m/^#/; # skip comments
1254 &$merge_line($line);
1258 my $add_known_hosts_entry = sub {
1259 my ($name, $hostkey) = @_;
1261 my $hmac = Digest
::HMAC_SHA1-
>new("$addIndex" . time());
1262 my $b64salt = $hmac->b64digest . '=';
1263 $hmac = Digest
::HMAC_SHA1-
>new(decode_base64
($b64salt));
1265 my $digest = $hmac->b64digest . '=';
1266 $data .= "|1|$b64salt|$digest $hostkey\n";
1269 if (!$found_nodename || !$found_local_ip) {
1270 &$add_known_hosts_entry($nodename, $hostkey) if !$found_nodename;
1271 &$add_known_hosts_entry($ip_address, $hostkey) if !$found_local_ip;
1274 PVE
::Tools
::file_set_contents
($sshknownhosts, $data);
1276 return if !$createLink;
1278 unlink $sshglobalknownhosts;
1279 symlink $sshknownhosts, $sshglobalknownhosts;
1281 warn "can't create symlink for ssh known hosts '$sshglobalknownhosts' -> '$sshknownhosts'\n"
1282 if ! -l
$sshglobalknownhosts;
1286 my $datacenter_schema = {
1288 additionalProperties
=> 0,
1293 description
=> "Default keybord layout for vnc server.",
1294 enum
=> PVE
::Tools
::kvmkeymaplist
(),
1299 description
=> "Default GUI language.",
1300 enum
=> [ 'en', 'de' ],
1305 description
=> "Specify external http proxy which is used for downloads (example: 'http://username:password\@host:port/')",
1306 pattern
=> "http://.*",
1308 migration_unsecure
=> {
1311 description
=> "Migration is secure using SSH tunnel by default. For secure private networks you can disable it to speed up migration.",
1316 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).",
1317 enum
=> ['applet', 'vv', 'html5'],
1322 format
=> 'email-opt',
1323 description
=> "Specify email address to send notification from (default is root@\$hostname)",
1328 # make schema accessible from outside (for documentation)
1329 sub get_datacenter_schema
{ return $datacenter_schema };
1331 sub parse_datacenter_config
{
1332 my ($filename, $raw) = @_;
1334 return PVE
::JSONSchema
::parse_config
($datacenter_schema, $filename, $raw // '');
1337 sub write_datacenter_config
{
1338 my ($filename, $cfg) = @_;
1340 return PVE
::JSONSchema
::dump_config
($datacenter_schema, $filename, $cfg);
1343 cfs_register_file
('datacenter.cfg',
1344 \
&parse_datacenter_config
,
1345 \
&write_datacenter_config
);
1347 # a very simply parser ...
1348 sub parse_corosync_conf
{
1349 my ($filename, $raw) = @_;
1353 my $digest = Digest
::SHA
::sha1_hex
(defined($raw) ?
$raw : '');
1356 $raw =~ s/\r?\n/ /g;
1361 my @tokens = split(/\s/, $raw);
1363 my $conf = { section
=> 'main', children
=> [] };
1366 my $section = $conf;
1368 while (defined(my $token = shift @tokens)) {
1369 my $nexttok = $tokens[0];
1371 if ($nexttok && ($nexttok eq '{')) {
1372 shift @tokens; # skip '{'
1377 push @{$section->{children
}}, $new_section;
1378 push @$stack, $section;
1379 $section = $new_section;
1383 if ($token eq '}') {
1384 $section = pop @$stack;
1385 die "parse error - uncexpected '}'\n" if !$section;
1390 die "missing ':' after key '$key'\n" if ! ($key =~ s/:$//);
1392 die "parse error - no value for '$key'\n" if !defined($nexttok);
1393 my $value = shift @tokens;
1395 push @{$section->{children
}}, { key
=> $key, value
=> $value };
1398 $conf->{digest
} = $digest;
1403 my $dump_corosync_section;
1404 $dump_corosync_section = sub {
1405 my ($section, $prefix) = @_;
1407 my $raw = $prefix . $section->{section
} . " {\n";
1409 my @list = grep { defined($_->{key
}) } @{$section->{children
}};
1410 foreach my $child (sort {$a->{key
} cmp $b->{key
}} @list) {
1411 $raw .= $prefix . " $child->{key}: $child->{value}\n";
1414 @list = grep { defined($_->{section
}) } @{$section->{children
}};
1415 foreach my $child (sort {$a->{section
} cmp $b->{section
}} @list) {
1416 $raw .= &$dump_corosync_section($child, "$prefix ");
1419 $raw .= $prefix . "}\n\n";
1425 sub write_corosync_conf
{
1426 my ($filename, $conf) = @_;
1432 die "no main section" if $conf->{section
} ne 'main';
1434 my @list = grep { defined($_->{key
}) } @{$conf->{children
}};
1435 foreach my $child (sort {$a->{key
} cmp $b->{key
}} @list) {
1436 $raw .= "$child->{key}: $child->{value}\n";
1439 @list = grep { defined($_->{section
}) } @{$conf->{children
}};
1440 foreach my $child (sort {$a->{section
} cmp $b->{section
}} @list) {
1441 $raw .= &$dump_corosync_section($child, $prefix);
1447 sub corosync_conf_version
{
1448 my ($conf, $noerr, $new_value) = @_;
1450 foreach my $child (@{$conf->{children
}}) {
1451 next if !defined($child->{section
});
1452 if ($child->{section
} eq 'totem') {
1453 foreach my $e (@{$child->{children
}}) {
1454 next if !defined($e->{key
});
1455 if ($e->{key
} eq 'config_version') {
1457 $e->{value
} = $new_value;
1459 } elsif (my $version = int($e->{value
})) {
1468 return undef if $noerr;
1470 die "invalid corosync config - unable to read version\n";
1473 # read only - use "rename corosync.conf.new corosync.conf" to write
1474 PVE
::Cluster
::cfs_register_file
('corosync.conf', \
&parse_corosync_conf
);
1475 # this is read/write
1476 PVE
::Cluster
::cfs_register_file
('corosync.conf.new', \
&parse_corosync_conf
,
1477 \
&write_corosync_conf
);
1479 # bash completion helpers
1481 sub complete_next_vmid
{
1483 my $vmlist = get_vmlist
() || {};
1484 my $idlist = $vmlist->{ids
} || {};
1486 for (my $i = 100; $i < 10000; $i++) {
1487 return [$i] if !defined($idlist->{$i});
1493 sub complete_local_vmid
{
1495 my $vmlist = get_vmlist
();
1496 my $ids = $vmlist->{ids
} || {};
1498 my $nodename = PVE
::INotify
::nodename
();
1501 foreach my $vmid (keys %$ids) {
1502 my $d = $ids->{$vmid};
1503 next if !$d->{node
} || $d->{node
} ne $nodename;
1510 sub complete_migration_target
{
1514 my $nodename = PVE
::INotify
::nodename
();
1516 my $nodelist = get_nodelist
();
1517 foreach my $node (@$nodelist) {
1518 next if $node eq $nodename;