3 # todo: maybe we do not need update_file() ?
9 use Encode
qw(encode decode);
10 use Fcntl
qw(:DEFAULT :flock);
19 use PVE
::Exception
qw(raise_param_exc);
25 use PVE
::RESTEnvironment
qw(log_warn);
29 our @EXPORT_OK = qw(read_file write_file register_file nodename);
38 '/etc/network/interfaces' => '/etc/network/interfaces.new',
41 # to enable cached operation, you need to call 'inotify_init'
42 # inotify handles are a limited resource, so use with care (only
43 # enable the cache if you really need it)
45 # Note: please close the inotify handle after you fork
47 sub ccache_default_writer
{
48 my ($filename, $data) = @_;
50 die "undefined config writer for '$filename' :ERROR";
53 sub ccache_default_parser
{
54 my ($filename, $srcfd) = @_;
56 die "undefined config reader for '$filename' :ERROR";
59 sub ccache_compute_diff
{
60 my ($filename, $shadow) = @_;
64 my $cmd = ['/usr/bin/diff', '-b', '-N', '-u', $filename, $shadow];
65 PVE
::Tools
::run_command
($cmd, noerr
=> 1, outfunc
=> sub {
67 $diff .= decode
('UTF-8', $line) . "\n";
70 $diff = undef if !$diff;
78 foreach my $uid (keys %$ccacheregex) {
79 my $ccinfo = $ccacheregex->{$uid};
80 my $dir = $ccinfo->{dir
};
81 my $regex = $ccinfo->{regex
};
82 if ($filename =~ m
|^$dir/+$regex$|) {
83 if (!$ccache->{$filename}) {
85 while (my ($k, $v) = each %$ccinfo) {
88 $ccache->{$filename} = $cp;
90 return ($ccache->{$filename}, $filename);
94 $filename = $ccachemap->{$filename} if defined ($ccachemap->{$filename});
96 die "file '$filename' not added :ERROR" if !defined ($ccache->{$filename});
98 return ($ccache->{$filename}, $filename);
102 my ($fileid, $data, $full) = @_;
104 my ($ccinfo, $filename) = ccache_info
($fileid);
106 my $writer = $ccinfo->{writer
};
108 my $realname = $filename;
111 if ($shadow = $shadowfiles->{$filename}) {
115 my $perm = $ccinfo->{perm
} || 0644;
117 my $tmpname = "$realname.tmp.$$";
121 my $fh = IO
::File-
>new($tmpname, O_WRONLY
|O_CREAT
, $perm);
122 die "unable to open file '$tmpname' - $!\n" if !$fh;
124 $res = &$writer($filename, $fh, $data);
126 die "closing file '$tmpname' failed - $!\n" unless close $fh;
130 $ccinfo->{version
} = undef;
137 if (!rename($tmpname, $realname)) {
138 my $msg = "close (rename) atomic file '$filename' failed: $!\n";
144 if ($shadow && $full) {
145 $diff = ccache_compute_diff
($filename, $shadow);
149 return { data
=> $res, changes
=> $diff };
156 my ($fileid, $data, @args) = @_;
158 my ($ccinfo, $filename) = ccache_info
($fileid);
160 my $update = $ccinfo->{update
};
162 die "unable to update/merge data" if !$update;
164 my $lkfn = "$filename.lock";
172 $fd = IO
::File-
>new ($filename, "r");
174 my $new = &$update($filename, $fd, $data, @args);
177 PVE
::Tools
::file_set_contents
($filename, $new, $ccinfo->{perm
});
183 PVE
::Tools
::lock_file
($lkfn, $timeout, $code);
186 close($fd) if defined($fd);
193 sub discard_changes
{
194 my ($fileid, $full) = @_;
196 my ($ccinfo, $filename) = ccache_info
($fileid);
198 if (my $copy = $shadowfiles->{$filename}) {
202 return read_file
($filename, $full);
208 poll
() if $inotify; # read new inotify events
210 $versions->{$filename} = 0 if !defined ($versions->{$filename});
212 return $versions->{$filename};
216 my ($fileid, $full) = @_;
220 my ($ccinfo, $filename) = ccache_info
($fileid);
222 $parser = $ccinfo->{parser
};
227 my $cver = poll_changes
($filename);
229 if (my $copy = $shadowfiles->{$filename}) {
230 if ($fd = IO
::File-
>new ($copy, "r")) {
233 $fd = IO
::File-
>new ($filename, "r");
236 $fd = IO
::File-
>new ($filename, "r");
239 my $acp = $ccinfo->{always_call_parser
};
242 $ccinfo->{version
} = undef;
243 $ccinfo->{data
} = undef;
244 $ccinfo->{diff
} = undef;
245 return undef if !$acp;
248 my $noclone = $ccinfo->{noclone
};
251 if (!$ccinfo->{nocache
} &&
253 defined ($ccinfo->{data
}) &&
254 defined ($ccinfo->{version
}) &&
255 ($ccinfo->{readonce
} ||
256 ($ccinfo->{version
} == $cver))) {
259 if (!$noclone && ref ($ccinfo->{data
})) {
260 $ret->{data
} = clone
($ccinfo->{data
});
262 $ret->{data
} = $ccinfo->{data
};
264 $ret->{changes
} = $ccinfo->{diff
};
266 return $full ?
$ret : $ret->{data
};
272 $diff = ccache_compute_diff
($filename, $shadow);
275 my $res = &$parser($filename, $fd);
277 if (!$ccinfo->{nocache
}) {
278 $ccinfo->{version
} = $cver;
281 # we cache data with references, so we always need to
282 # clone this data. Else the original data may get
284 $ccinfo->{data
} = $res;
287 $ccinfo->{diff
} = $diff;
290 if (!$noclone && ref ($ccinfo->{data
})) {
291 $ret->{data
} = clone
($ccinfo->{data
});
293 $ret->{data
} = $ccinfo->{data
};
295 $ret->{changes
} = $ccinfo->{diff
};
297 return $full ?
$ret : $ret->{data
};
300 sub parse_ccache_options
{
301 my ($ccinfo, %options) = @_;
303 foreach my $opt (keys %options) {
304 my $v = $options{$opt};
305 if ($opt eq 'readonce') {
306 $ccinfo->{$opt} = $v;
307 } elsif ($opt eq 'nocache') {
308 $ccinfo->{$opt} = $v;
309 } elsif ($opt eq 'shadow') {
310 $ccinfo->{$opt} = $v;
311 } elsif ($opt eq 'perm') {
312 $ccinfo->{$opt} = $v;
313 } elsif ($opt eq 'noclone') {
314 # noclone flag for large read-only data chunks like aplinfo
315 $ccinfo->{$opt} = $v;
316 } elsif ($opt eq 'always_call_parser') {
317 # when set, we call parser even when the file does not exist.
318 # this allows the parser to return some default
319 $ccinfo->{$opt} = $v;
321 die "internal error - unsupported option '$opt'";
327 my ($id, $filename, $parser, $writer, $update, %options) = @_;
329 die "can't register file '$filename' after inotify_init" if $inotify;
331 die "file '$filename' already added :ERROR" if defined ($ccache->{$filename});
332 die "ID '$id' already used :ERROR" if defined ($ccachemap->{$id});
337 $ccinfo->{parser
} = $parser || \
&ccache_default_parser
;
338 $ccinfo->{writer
} = $writer || \
&ccache_default_writer
;
339 $ccinfo->{update
} = $update;
341 parse_ccache_options
($ccinfo, %options);
343 if ($options{shadow
}) {
344 $shadowfiles->{$filename} = $options{shadow
};
347 $ccachemap->{$id} = $filename;
348 $ccache->{$filename} = $ccinfo;
352 my ($dir, $regex, $parser, $writer, $update, %options) = @_;
354 die "can't register regex after inotify_init" if $inotify;
356 my $uid = "$dir/$regex";
357 die "regular expression '$uid' already added :ERROR" if defined ($ccacheregex->{$uid});
361 $ccinfo->{dir
} = $dir;
362 $ccinfo->{regex
} = $regex;
363 $ccinfo->{parser
} = $parser || \
&ccache_default_parser
;
364 $ccinfo->{writer
} = $writer || \
&ccache_default_writer
;
365 $ccinfo->{update
} = $update;
367 parse_ccache_options
($ccinfo, %options);
369 $ccacheregex->{$uid} = $ccinfo;
375 if ($inotify_pid != $$) {
376 syslog
('err', "got inotify poll request in wrong process - disabling inotify");
379 1 while $inotify && $inotify->poll;
384 foreach my $filename (keys %$ccache) {
385 $ccache->{$filename}->{version
} = undef;
386 $ccache->{$filename}->{data
} = undef;
387 $ccache->{$filename}->{diff
} = undef;
397 die "only one inotify instance allowed" if $inotify;
399 $inotify = Linux
::Inotify2-
>new()
400 || die "Unable to create new inotify object: $!";
402 $inotify->blocking (0);
407 foreach my $fn (keys %$ccache) {
408 my $dir = dirname
($fn);
409 my $base = basename
($fn);
411 $dirhash->{$dir}->{$base} = $fn;
413 if (my $sf = $shadowfiles->{$fn}) {
414 $base = basename
($sf);
415 $dir = dirname
($sf);
416 $dirhash->{$dir}->{$base} = $fn; # change version of original file!
420 foreach my $uid (keys %$ccacheregex) {
421 my $ccinfo = $ccacheregex->{$uid};
422 $dirhash->{$ccinfo->{dir
}}->{_regex
} = 1;
427 foreach my $dir (keys %$dirhash) {
429 my $evlist = IN_MODIFY
|IN_ATTRIB
|IN_MOVED_FROM
|IN_MOVED_TO
|IN_DELETE
|IN_CREATE
;
430 $inotify->watch ($dir, $evlist, sub {
434 if ($inotify_pid != $$) {
435 syslog
('err', "got inotify event in wrong process");
438 if ($e->IN_ISDIR || !$name) {
442 if ($e->IN_Q_OVERFLOW) {
443 syslog
('info', "got inotify overflow - flushing cache");
448 if ($e->IN_UNMOUNT) {
449 syslog
('err', "got 'unmount' event on '$name' - disabling inotify");
452 if ($e->IN_IGNORED) {
453 syslog
('err', "got 'ignored' event on '$name' - disabling inotify");
457 if ($dirhash->{$dir}->{_regex
}) {
458 foreach my $uid (keys %$ccacheregex) {
459 my $ccinfo = $ccacheregex->{$uid};
460 next if $dir ne $ccinfo->{dir
};
461 my $regex = $ccinfo->{regex
};
462 if ($regex && ($name =~ m
|^$regex$|)) {
464 my $fn = "$dir/$name";
466 #print "VERSION:$fn:$versions->{$fn}\n";
469 } elsif (my $fn = $dirhash->{$dir}->{$name}) {
472 #print "VERSION:$fn:$versions->{$fn}\n";
477 foreach my $dir (keys %$dirhash) {
478 foreach my $name (keys %{$dirhash->{$dir}}) {
479 if ($name eq '_regex') {
480 foreach my $uid (keys %$ccacheregex) {
481 my $ccinfo = $ccacheregex->{$uid};
482 next if $dir ne $ccinfo->{dir
};
483 my $re = $ccinfo->{regex
};
484 if (my $fd = IO
::Dir-
>new ($dir)) {
485 while (defined(my $de = $fd->read)) {
486 if ($de =~ m/^$re$/) {
488 $versions->{$fn}++; # init with version
489 #print "init:$fn:$versions->{$fn}\n";
495 my $fn = $dirhash->{$dir}->{$name};
496 $versions->{$fn}++; # init with version
497 #print "init:$fn:$versions->{$fn}\n";
505 return $cached_nodename if $cached_nodename;
507 my ($sysname, $nodename) = POSIX
::uname
();
508 $nodename =~ s/\..*$//; # strip domain part, if any
510 die "unable to read node name\n" if !$nodename;
512 $cached_nodename = $nodename;
514 return $cached_nodename;
517 sub read_etc_hostname
{
518 my ($filename, $fd) = @_;
520 my $hostname = <$fd>;
524 $hostname =~ s/\..*$//; # strip domain part, if any
529 sub write_etc_hostname
{
530 my ($filename, $fh, $hostname) = @_;
532 die "write failed: $!" unless print $fh "$hostname\n";
537 register_file
('hostname', "/etc/hostname",
539 \
&write_etc_hostname
);
542 my ($filename, $fh) = @_;
547 while (my $line = <$fh>) {
549 if ($line =~ m/^\s*#/) {
550 $line = decode
('UTF-8', $line);
556 digest
=> Digest
::SHA
::sha1_hex
($raw),
561 sub write_etc_hosts
{
562 my ($filename, $fh, $hosts, @args) = @_;
564 # check validity of ips/names
565 for my $line (split("\n", $hosts)) {
566 next if $line =~ m/^\s*#/; # comments
567 next if $line =~ m/^\s*$/; # whitespace/empty lines
569 my ($ip, @names) = split(/\s+/, $line);
571 raise_param_exc
({ 'data' => "Invalid IP '$ip'" })
572 if $ip !~ m/^$PVE::Tools::IPRE$/;
574 for my $name (@names) {
575 raise_param_exc
({ 'data' => "Invalid Hostname '$name'" })
576 if $name !~ m/^[.\-a-zA-Z0-9]+$/;
580 die "write failed: $!" if !print $fh encode
('UTF-8', $hosts);
585 register_file
('etchosts', "/etc/hosts",
589 sub read_etc_resolv_conf
{
590 my ($filename, $fh) = @_;
595 while (my $line = <$fh>) {
597 if ($line =~ m/^(search|domain)\s+(\S+)\s*/) {
599 } elsif ($line =~ m/^\s*nameserver\s+($PVE::Tools::IPRE)\s*/) {
602 $res->{"dns$nscount"} = $1;
610 sub update_etc_resolv_conf
{
611 my ($filename, $fh, $resolv, @args) = @_;
615 $data = "search $resolv->{search}\n"
616 if $resolv->{search
};
619 foreach my $k ("dns1", "dns2", "dns3") {
620 my $ns = $resolv->{$k};
621 if ($ns && $ns ne '0.0.0.0' && !$written->{$ns}) {
623 $data .= "nameserver $ns\n";
627 while (my $line = <$fh>) {
628 next if $line =~ m/^(search|domain|nameserver)\s+/;
635 register_file
('resolvconf', "/etc/resolv.conf",
636 \
&read_etc_resolv_conf
, undef,
637 \
&update_etc_resolv_conf
);
639 sub read_etc_timezone
{
640 my ($filename, $fd) = @_;
642 my $timezone = <$fd>;
649 sub write_etc_timezone
{
650 my ($filename, $fh, $timezone) = @_;
652 my $tzinfo = "/usr/share/zoneinfo/$timezone";
654 raise_param_exc
({ 'timezone' => "No such timezone" })
657 ($timezone) = $timezone =~ m/^(.*)$/; # untaint
659 print $fh "$timezone\n";
661 unlink ("/etc/localtime");
662 symlink ("/usr/share/zoneinfo/$timezone", "/etc/localtime");
666 register_file
('timezone', "/etc/timezone",
668 \
&write_etc_timezone
);
670 sub read_active_workers
{
671 my ($filename, $fh) = @_;
676 while (defined (my $line = <$fh>)) {
677 if ($line =~ m/^(\S+)\s(0|1)(\s([0-9A-Za-z]{8})(\s(\s*\S.*))?)?$/) {
682 if ((my $task = PVE
::Tools
::upid_decode
($upid, 1))) {
683 $task->{upid
} = $upid;
684 $task->{saved
} = $saved;
685 $task->{endtime
} = hex($endtime) if $endtime;
686 $task->{status
} = $status if $status;
690 warn "unable to parse line: $line";
698 sub write_active_workers
{
699 my ($filename, $fh, $tasklist) = @_;
702 foreach my $task (@$tasklist) {
703 my $upid = $task->{upid
};
704 my $saved = $task->{saved
} ?
1 : 0;
705 if ($task->{endtime
}) {
706 if ($task->{status
}) {
707 $raw .= sprintf("%s %s %08X %s\n", $upid, $saved, $task->{endtime
}, $task->{status
});
709 $raw .= sprintf("%s %s %08X\n", $upid, $saved, $task->{endtime
});
712 $raw .= "$upid $saved\n";
716 PVE
::Tools
::safe_print
($filename, $fh, $raw) if $raw;
719 register_file
('active', "/var/log/pve/tasks/active",
720 \
&read_active_workers
,
721 \
&write_active_workers
);
726 'active-backup' => 1,
734 my $ovs_bond_modes = {
735 'active-backup' => 1,
737 'lacp-balance-slb' => 1,
738 'lacp-balance-tcp' => 1,
741 #sub get_bond_modes {
742 # return $bond_modes;
745 my $parse_ovs_option = sub {
749 foreach my $kv (split (/\s+/, $data || '')) {
750 my ($k, $v) = split('=', $kv, 2);
751 $opts->{$k} = $v if $k && $v;
756 my $set_ovs_option = sub {
757 my ($d, %params) = @_;
759 my $opts = &$parse_ovs_option($d->{ovs_options
});
761 foreach my $k (keys %params) {
771 foreach my $k (keys %$opts) {
772 push @$res, "$k=$opts->{$k}";
775 if (my $new = join(' ', @$res)) {
776 $d->{ovs_options
} = $new;
777 return $d->{ovs_options
};
779 delete $d->{ovs_options
};
784 my $extract_ovs_option = sub {
787 my $opts = &$parse_ovs_option($d->{ovs_options
});
789 my $v = delete $opts->{$name};
792 foreach my $k (keys %$opts) {
793 push @$res, "$k=$opts->{$k}";
796 if (my $new = join(' ', @$res)) {
797 $d->{ovs_options
} = $new;
799 delete $d->{ovs_options
};
805 my $check_mtu = sub {
806 my ($ifaces, $parent, $child) = @_;
808 die "check mtu - missing parent interface\n" if !$parent;
809 die "check mtu - missing child interface\n" if !$child;
811 my $cmtu = $ifaces->{$child}->{mtu
};
814 my $parentdata = $ifaces->{$parent};
815 my $pmtu = $parentdata->{mtu
};
816 $pmtu = $cmtu if $parentdata->{type
} eq 'bond' && !$pmtu;
817 $pmtu = 1500 if !$pmtu;
819 die "interface '$parent' - mtu $pmtu is lower than '$child' - mtu $cmtu\n"
826 # <optional> exists => BOOL,
827 # <optional> active => BOOL,
828 # <optional> autostart => BOOL,
829 # <auto> priority => INT,
831 # type => "eth" | "bridge" | "bond" | "loopback" | "OVS*" | ... ,
833 # families => ["inet", "inet6", ...],
835 # method => "manual" | "static" | "dhcp" | ... ,
840 # comments => [ "..." ],
842 # method6 => "manual" | "static" | "dhcp" | ... ,
844 # netmask6 => SUBNET,
846 # comments6 => [ "..." ],
848 # <known options>, # like bridge_ports, ovs_*
850 # # extra/unknown options stored by-family:
851 # options => { <inet options>... }
852 # options6 => { <inet6 options>... }
856 # # mappings end up here as well, as we don't need to understand them
860 sub read_etc_network_interfaces
{
861 my ($filename, $fh) = @_;
862 my $proc_net_dev = IO
::File-
>new('/proc/net/dev', 'r');
863 my $active = PVE
::ProcFSTools
::get_active_network_interfaces
();
864 return __read_etc_network_interfaces
($fh, $proc_net_dev, $active);
867 sub __read_etc_network_interfaces
{
868 my ($fh, $proc_net_dev, $active_ifaces) = @_;
871 my $ifaces = $config->{ifaces
} = {};
872 my $options = $config->{options
} = [];
874 my $options_alternatives = {
876 'bond-slaves' => 'slaves',
877 'bond_slaves' => 'slaves',
878 'bond-xmit-hash-policy' => 'bond_xmit_hash_policy',
879 'bond-mode' => 'bond_mode',
880 'bond-miimon' =>'bond_miimon',
881 'bridge-vlan-aware' => 'bridge_vlan_aware',
882 'bridge-fd' => 'bridge_fd',
883 'bridge-stp' => 'bridge_stp',
884 'bridge-ports' => 'bridge_ports',
885 'bridge-vids' => 'bridge_vids',
891 while (defined ($line = <$proc_net_dev>)) {
892 if ($line =~ m/^\s*($PVE::Network::PHYSICAL_NIC_RE):.*/) {
893 $ifaces->{$1}->{exists} = 1;
896 close($proc_net_dev);
899 # we try to keep order inside the file
900 my $priority = 2; # 1 is reserved for lo
902 SECTION
: while (defined ($line = <$fh>)) {
904 next if $line =~ m/^\s*#/;
906 if ($line =~ m/^\s*(allow-auto|auto|allow-ovs)\s+(.*)$/) {
908 $ifaces->{$_}->{autostart
} = 1 for split (/\s+/, $2);
910 } elsif ($line =~ m/^\s*(allow-hotplug)\s+(.*)$/) {
912 # FIXME: handle those differently? auto makes it required on-boot, vs. best-effort
913 $ifaces->{$_}->{autostart
} = 1 for split (/\s+/, $2);
915 } elsif ($line =~ m/^\s*iface\s+(\S+)(?:\s+(inet6?)\s+(\S+))?\s*$/) {
918 my $f = { method => $3 }; # by family, merged to $d with a $suffix
919 my $suffix = $family;
920 $suffix =~ s/^inet// if defined $suffix;
922 my $d = $ifaces->{$i} ||= {};
923 $d->{priority
} = $priority++ if !$d->{priority
};
925 # $family may be undef, an undef family means we have a stanza
926 # without an `inet` or `inet6` section
927 push @{$d->{families
}}, $family;
930 while (defined ($line = <$fh>)) {
931 $line =~ s/\s+$//; # drop trailing whitespaces
933 if ($line =~ m/^\s*#(.*?)\s*$/) {
934 my $pushto = defined($suffix) ?
$f : $d;
935 $pushto->{comments
} = '' if !$pushto->{comments
};
936 my $comment = decode
('UTF-8', $1);
937 $pushto->{comments
} .= "$comment\n";
938 } elsif ($line =~ m/^\s*(?:(?:iface|mapping|auto|source|source-directory)\s|allow-)/) {
940 } elsif ($line =~ m/^\s*((\S+)\s+(.+))$/) {
942 my ($id, $value) = ($2, $3);
944 $id = $options_alternatives->{$id} if $options_alternatives->{$id};
946 my $simple_options = {
955 'bridge-access' => 1,
956 'bridge-learning' => 1,
957 'bridge-arp-nd-suppress' => 1,
958 'bridge-unicast-flood' => 1,
959 'bridge-multicast-flood' => 1,
960 'bridge-disable-mac-learning' => 1,
962 'bond_xmit_hash_policy' => 1,
966 'vlan-protocol' => 1,
967 'vlan-raw-device' => 1,
970 'vxlan-svcnodeip' => 1,
971 'vxlan-physdev' => 1,
972 'vxlan-local-tunnelip' => 1,
975 if ($id eq 'address' || $id eq 'netmask' || $id eq 'broadcast' || $id eq 'gateway') {
976 if (defined($suffix)) {
977 $d->{$id.$suffix} = $value;
978 } elsif ($id ne 'netmask') {
980 $d->{$id.'6'} = $value;
987 } elsif ($simple_options->{$id}) {
989 } elsif ($id eq 'slaves' || $id eq 'bridge_ports') {
991 foreach my $p (split (/\s+/, $value)) {
992 next if $p eq 'none';
995 my $str = join (' ', sort keys %{$devs});
997 $d->{$id} .= ' ' . $str if $str;
999 $d->{$id} = $str || '';
1001 } elsif ($id eq 'bridge_stp') {
1002 if ($value =~ m/^\s*(on|yes)\s*$/i) {
1007 } elsif ($id eq 'bridge_vlan_aware') {
1009 } elsif ($id eq 'bond_mode') {
1011 foreach my $bm (keys %$bond_modes) {
1012 if ($bond_modes->{$bm} eq $value) {
1018 } elsif ($id eq 'vxlan-remoteip') {
1019 push @{$d->{$id}}, $value;
1021 my $pushto = defined($suffix) ?
$f : $d;
1022 push @{$pushto->{options
}}, $option;
1028 if (defined($suffix)) {
1029 $d->{"$_$suffix"} = $f->{$_} for keys $f->%*;
1031 last SECTION
if !defined($line);
1033 } elsif ($line =~ /\w/) {
1034 push @$options, [$priority++, $line];
1038 foreach my $ifname (@$active_ifaces) {
1039 if (my $iface = $ifaces->{$ifname}) {
1040 $iface->{active
} = 1;
1044 if (!$ifaces->{lo
}) {
1047 method => 'loopback',
1053 foreach my $iface (sort keys %$ifaces) {
1054 my $d = $ifaces->{$iface};
1055 $d->{type
} = 'unknown';
1056 if (defined $d->{'bridge_ports'}) {
1057 $d->{type
} = 'bridge';
1058 if (!defined ($d->{bridge_stp
})) {
1059 $d->{bridge_stp
} = 'off';
1061 if (!defined($d->{bridge_fd
}) && $d->{bridge_stp
} eq 'off') {
1062 $d->{bridge_fd
} = 0;
1064 } elsif ($d->{ovs_type
} && $d->{ovs_type
} eq 'OVSBridge') {
1065 $d->{type
} = $d->{ovs_type
};
1066 } elsif ($iface =~ m/^bond\d+$/) {
1067 if (!$d->{ovs_type
}) {
1068 $d->{type
} = 'bond';
1069 } elsif ($d->{ovs_type
} eq 'OVSBond') {
1070 $d->{type
} = $d->{ovs_type
};
1071 # translate: ovs_options => bond_mode
1072 $d->{'bond_mode'} = &$extract_ovs_option($d, 'bond_mode');
1073 my $lacp = &$extract_ovs_option($d, 'lacp');
1074 if ($lacp && $lacp eq 'active') {
1075 if ($d->{'bond_mode'} eq 'balance-slb') {
1076 $d->{'bond_mode'} = 'lacp-balance-slb';
1079 # Note: balance-tcp needs lacp
1080 if ($d->{'bond_mode'} eq 'balance-tcp') {
1081 $d->{'bond_mode'} = 'lacp-balance-tcp';
1083 my $tag = &$extract_ovs_option($d, 'tag');
1084 $d->{ovs_tag
} = $tag if defined($tag);
1086 } elsif ($iface =~ m/^(\S+):\d+$/) {
1087 $d->{type
} = 'alias';
1088 if (defined ($ifaces->{$1})) {
1089 $d->{exists} = $ifaces->{$1}->{exists};
1091 $ifaces->{$1}->{exists} = 0;
1094 } elsif ($iface =~ m/^(\S+)\.(\d+)$/) {
1095 $d->{type
} = 'vlan';
1097 my ($dev, $id) = ($1, $2);
1098 $d->{'vlan-raw-device'} = $dev if defined($dev) && !$d->{'vlan-raw-device'};
1099 $d->{'vlan-id'} = $id if $id; # VLAN id 0 is not valid, so truthy check it is
1101 my $raw_iface = $d->{'vlan-raw-device'};
1103 if (defined ($ifaces->{$raw_iface})) {
1104 $d->{exists} = $ifaces->{$raw_iface}->{exists};
1106 $ifaces->{$raw_iface}->{exists} = 0;
1109 } elsif ($d->{'vlan-raw-device'}) {
1110 $d->{type
} = 'vlan';
1112 if ($iface =~ m/^vlan(\d+)$/) {
1113 $d->{'vlan-id'} = $1 if $1; # VLAN id 0 is not valid, so truthy check it is
1116 my $raw_iface = $d->{'vlan-raw-device'};
1118 if (defined ($ifaces->{$raw_iface})) {
1119 $d->{exists} = $ifaces->{$raw_iface}->{exists};
1121 $ifaces->{$raw_iface}->{exists} = 0;
1124 } elsif ($iface =~ m/^$PVE::Network::PHYSICAL_NIC_RE$/) {
1125 if (!$d->{ovs_type
}) {
1127 } elsif ($d->{ovs_type
} eq 'OVSPort') {
1128 $d->{type
} = $d->{ovs_type
};
1129 my $tag = &$extract_ovs_option($d, 'tag');
1130 $d->{ovs_tag
} = $tag if defined($tag);
1132 } elsif ($iface =~ m/^lo$/) {
1133 $d->{type
} = 'loopback';
1135 if ($d->{'vxlan-id'}) {
1136 $d->{type
} = 'vxlan';
1137 } elsif (defined($d->{ovs_type
})) {
1138 if ($d->{ovs_type
} eq 'OVSIntPort') {
1139 $d->{type
} = $d->{ovs_type
};
1140 my $tag = &$extract_ovs_option($d, 'tag');
1141 $d->{ovs_tag
} = $tag if defined($tag);
1143 } elsif (defined($d->{'link-type'})) {
1144 $d->{type
} = $d->{'link-type'} if $d->{'link-type'} eq 'dummy';
1148 log_warn
("detected a interface $iface that is not a bridge!")
1149 if !($d->{type
} eq 'OVSBridge' || $d->{type
} eq 'bridge') && $iface =~ m/^vmbr\d+$/;
1151 # map address and netmask to cidr
1152 if (my $addr = $d->{address
}) {
1153 if (_address_is_cidr
($addr)) {
1155 my ($baseaddr, $mask) = _cidr_split
($addr);
1156 $d->{address
} = $baseaddr;
1157 $d->{netmask
} = $mask;
1158 } elsif (my $cidr = _get_cidr
($d->{address
}, $d->{netmask
})) {
1160 (undef, $d->{netmask
}) = _cidr_split
($cidr);
1162 # no mask, else we'd got a cidr above
1163 $d->{cidr
} = $addr ."/32";
1167 # map address6 and netmask6 to cidr6
1168 if (my $addr6 = $d->{address6
}) {
1169 if (_address_is_cidr
($addr6)) {
1170 $d->{cidr6
} = $addr6;
1171 my ($baseaddr, $mask) = _cidr_split
($addr6);
1172 $d->{address6
} = $baseaddr;
1173 $d->{netmask6
} = $mask;
1174 } elsif (my $cidr6 = _get_cidr
($d->{address6
}, $d->{netmask6
})) {
1175 $d->{cidr6
} = $cidr6;
1177 # no mask, else we'd got a cidr above
1178 $d->{cidr6
} = $addr6 ."/128";
1182 $d->{method} = 'manual' if !$d->{method};
1183 $d->{method6
} = 'manual' if !$d->{method6
};
1185 if (my $comments6 = delete $d->{comments6
}) {
1186 $d->{comments
} = ($d->{comments
} // '') . $comments6;
1189 $d->{families
} ||= ['inet'];
1192 # OVS bridges create "allow-$BRIDGE $IFACE" lines which we need to remove
1193 # from the {options} hash for them to be removed correctly.
1194 @$options = grep {defined($_)} map {
1195 my ($pri, $line) = @$_;
1196 if ($line =~ /^allow-ovs\s+(.*)$/) {
1198 } elsif ($line =~ /^allow-(\S+)\s+(.*)$/) {
1200 my @ports = split(/\s+/, $2);
1201 if (defined(my $br = $ifaces->{$bridge})) {
1202 # if this port is part of a bridge, remove it
1203 my %in_ovs_ports = map {$_=>1} split(/\s+/, $br->{ovs_ports
});
1204 @ports = grep { not $in_ovs_ports{$_} } @ports;
1206 # create the allow line for the remaining ports, or delete if empty
1208 [$pri, "allow-$bridge " . join(' ', @ports)];
1213 # don't modify other lines
1221 sub _address_is_cidr
{
1223 return $addr =~ /\/\d
+$/ ?
1 : 0;
1228 $cidr =~ /^(.+)\/(\d
+)$/;
1229 return ($1, $2); # (address, mask)
1233 my ($addr, $mask) = @_;
1235 return $addr if _address_is_cidr
($addr);
1236 return undef if !$mask;
1238 if ($mask =~ m/^\d+$/) { # cidr notation
1239 return $addr . "/" . $mask;
1240 } elsif (my $cidrmask = PVE
::JSONSchema
::get_netmask_bits
($mask)) {
1241 return $addr . "/" . $cidrmask;
1246 sub __interface_to_string
{
1247 my ($iface, $d, $family, $first_block, $ifupdown2) = @_;
1249 my $suffix = $family;
1250 $suffix =~ s/^inet// if defined($suffix);
1252 return '' if $family && !($d && $d->{"method$suffix"});
1254 my $raw = "iface $iface";
1255 $raw .= " $family " . $d->{"method$suffix"} if defined $family;
1258 my $add_addr = sub {
1260 if (my $addr = $d->{"address$suffix"}) {
1261 if ($addr !~ /\/\d
+$/ && $d->{"netmask$suffix"}) {
1262 if ($d->{"netmask$suffix"} =~ m/^\d+$/) {
1263 $addr .= "/" . $d->{"netmask$suffix"};
1264 } elsif (my $mask = PVE
::JSONSchema
::get_netmask_bits
($d->{"netmask$suffix"})) {
1265 $addr .= "/" . $mask;
1268 $raw .= "\taddress ${addr}\n";
1271 $raw .= "\tgateway " . $d->{"gateway$suffix"} . "\n" if $d->{"gateway$suffix"};
1275 $add_addr->($suffix);
1282 type
=> 1, priority
=> 1, method => 1, active
=> 1, exists => 1, comments
=> 1,
1283 autostart
=> 1, options
=> 1, address
=> 1, netmask
=> 1, gateway
=> 1, broadcast
=> 1,
1284 method6
=> 1, families
=> 1, options6
=> 1, comments6
=> 1, address6
=> 1,
1285 netmask6
=> 1, gateway6
=> 1, broadcast6
=> 1, 'uplink-id' => 1,
1288 if (!$first_block) {
1289 # not printing out options
1290 } elsif ($d->{type
} eq 'bridge') {
1292 my $ports = $d->{bridge_ports
} || 'none';
1293 $ports =~ s/[;,\s]+/ /g;
1294 $raw .= "\tbridge-ports $ports\n";
1295 $done->{bridge_ports
} = 1;
1297 my $br_stp = defined($d->{bridge_stp
}) ?
$d->{bridge_stp
} : 'off';
1298 my $no_stp = $br_stp eq 'off';
1300 $raw .= "\tbridge-stp $br_stp\n";
1301 $done->{bridge_stp
} = 1;
1303 # NOTE: forwarding delay must be 2 <= FD <= 30 if STP is enabled
1304 if (defined(my $br_fd = $d->{bridge_fd
})) {
1305 if ($no_stp || ($br_fd >= 2 && $br_fd <= 30)) {
1306 $raw .= "\tbridge-fd $br_fd\n";
1308 # only complain if the user actually set a value, but not for default fallback below
1309 warn "'$iface': ignoring 'bridge_fd' value '$br_fd', outside of allowed range 2-30\n";
1312 $raw .= "\tbridge-fd 0\n";
1314 $done->{bridge_fd
} = 1;
1316 if (defined($d->{bridge_vlan_aware
})) {
1317 $raw .= "\tbridge-vlan-aware yes\n";
1318 my $vlans = defined($d->{bridge_vids
}) ?
$d->{bridge_vids
} : "2-4094";
1319 $raw .= "\tbridge-vids $vlans\n";
1321 $done->{bridge_vlan_aware
} = 1;
1322 $done->{bridge_vids
} = 1;
1324 $raw .= "\tmtu $d->{mtu}\n" if $d->{mtu
};
1326 $done->{'bridge-disable-mac-learning'} = 1;
1328 } elsif ($d->{type
} eq 'bond') {
1330 $d->{slaves
} =~ s/[;,\s]+/ /g;
1331 my $slaves = $d->{slaves
} || 'none';
1332 $raw .= "\tbond-slaves $slaves\n";
1333 $done->{slaves
} = 1;
1335 my $v = defined ($d->{'bond_miimon'}) ?
$d->{'bond_miimon'} : 100;
1336 $raw .= "\tbond-miimon $v\n";
1337 $done->{'bond_miimon'} = 1;
1339 $v = defined ($d->{'bond_mode'}) ?
$d->{'bond_mode'} : 'balance-rr';
1340 $raw .= "\tbond-mode $v\n";
1341 $done->{'bond_mode'} = 1;
1343 if ($d->{'bond_mode'} && $d->{'bond_xmit_hash_policy'} &&
1344 ($d->{'bond_mode'} eq 'balance-xor' || $d->{'bond_mode'} eq '802.3ad')) {
1345 $raw .= "\tbond-xmit-hash-policy $d->{'bond_xmit_hash_policy'}\n";
1347 $done->{'bond_xmit_hash_policy'} = 1;
1349 if ($d->{'bond_mode'} && $d->{'bond_mode'} eq 'active-backup' && $d->{'bond-primary'}) {
1350 $raw .= "\tbond-primary $d->{'bond-primary'}\n";
1352 $done->{'bond-primary'} = 1;
1354 $raw .= "\tmtu $d->{mtu}\n" if $d->{mtu
};
1357 } elsif ($d->{type
} eq 'vlan') {
1358 die "$iface: wrong vlan-protocol $d->{'vlan-protocol'}\n"
1359 if $d->{'vlan-protocol'} && $d->{'vlan-protocol'} ne '802.1ad' && $d->{'vlan-protocol'} ne '802.1q';
1361 } elsif ($d->{type
} eq 'vxlan') {
1363 foreach my $k (qw(vxlan-id vxlan-svcnodeip vxlan-physdev vxlan-local-tunnelip)) {
1364 $raw .= "\t$k $d->{$k}\n" if defined $d->{$k};
1368 if ($d->{'vxlan-remoteip'}) {
1369 foreach my $remoteip (@{$d->{'vxlan-remoteip'}}) {
1370 $raw .= "\tvxlan-remoteip $remoteip\n";
1372 $done->{'vxlan-remoteip'} = 1;
1375 $raw .= "\tmtu $d->{mtu}\n" if $d->{mtu
};
1378 } elsif ($d->{type
} eq 'OVSBridge') {
1380 $raw .= "\tovs_type $d->{type}\n";
1381 $done->{ovs_type
} = 1;
1383 $raw .= "\tovs_ports $d->{ovs_ports}\n" if $d->{ovs_ports
};
1384 $done->{ovs_ports
} = 1;
1386 $raw .= "\tovs_mtu $d->{mtu}\n" if $d->{mtu
};
1389 } elsif ($d->{type
} eq 'OVSPort' || $d->{type
} eq 'OVSIntPort' || $d->{type
} eq 'OVSBond') {
1391 $d->{autostart
} = 0; # started by the bridge
1393 if (defined($d->{ovs_tag
})) {
1394 &$set_ovs_option($d, tag
=> $d->{ovs_tag
});
1396 $done->{ovs_tag
} = 1;
1398 if ($d->{type
} eq 'OVSBond') {
1400 $d->{bond_mode
} = 'active-backup' if !$d->{bond_mode
};
1402 $ovs_bond_modes->{$d->{bond_mode
}} ||
1403 die "OVS does not support bond mode '$d->{bond_mode}\n";
1405 if ($d->{bond_mode
} eq 'lacp-balance-slb') {
1406 &$set_ovs_option($d, lacp
=> 'active');
1407 &$set_ovs_option($d, bond_mode
=> 'balance-slb');
1408 } elsif ($d->{bond_mode
} eq 'lacp-balance-tcp') {
1409 &$set_ovs_option($d, lacp
=> 'active');
1410 &$set_ovs_option($d, bond_mode
=> 'balance-tcp');
1412 &$set_ovs_option($d, lacp
=> undef);
1413 &$set_ovs_option($d, bond_mode
=> $d->{bond_mode
});
1415 $done->{bond_mode
} = 1;
1417 $raw .= "\tovs_bonds $d->{ovs_bonds}\n" if $d->{ovs_bonds
};
1418 $done->{ovs_bonds
} = 1;
1421 $raw .= "\tovs_type $d->{type}\n";
1422 $done->{ovs_type
} = 1;
1424 if (my $bridge = $d->{ovs_bridge
}) {
1426 $raw = "auto $iface\n$raw";
1428 $raw = "allow-$bridge $iface\n$raw";
1431 $raw .= "\tovs_bridge $bridge\n";
1432 $done->{ovs_bridge
} = 1;
1435 $raw .= "\tovs_mtu $d->{mtu}\n" if $d->{mtu
};
1440 # print other settings
1441 foreach my $k (sort keys %$d) {
1442 next if $done->{$k};
1444 $raw .= "\t$k $d->{$k}\n";
1448 my $add_options_comments = sub {
1451 foreach my $option (@{$d->{"options$suffix"}}) {
1452 $raw .= "\t$option\n";
1456 my $comments = $d->{"comments$suffix"} || '';
1457 foreach my $cl (split(/\n/, $comments)) {
1463 $add_options_comments->($suffix);
1465 $add_options_comments->('');
1466 $add_options_comments->('6');
1475 sub write_etc_network_interfaces
{
1476 my ($filename, $fh, $config) = @_;
1477 my $ifupdown2 = -e
'/usr/share/ifupdown2/ifupdown2';
1478 my $raw = __write_etc_network_interfaces
($config, $ifupdown2);
1479 PVE
::Tools
::safe_print
($filename, $fh, encode
('UTF-8', $raw));
1481 sub __write_etc_network_interfaces
{
1482 my ($config, $ifupdown2) = @_;
1484 my $ifaces = $config->{ifaces
};
1485 my @options = @{$config->{options
}};
1487 my $used_ports = {};
1489 foreach my $iface (keys %$ifaces) {
1490 my $d = $ifaces->{$iface};
1492 my ($cidr, $cidr6) = (delete $d->{cidr
}, delete $d->{cidr6
});
1493 $d->{address
} //= $cidr;
1494 $d->{address6
} //= $cidr6;
1497 foreach my $k (qw(bridge_ports ovs_ports slaves ovs_bonds)) {
1498 $ports .= " $d->{$k}" if $d->{$k};
1501 foreach my $p (PVE
::Tools
::split_list
($ports)) {
1502 die "port '$p' is already used on interface '$used_ports->{$p}'\n"
1503 if $used_ports->{$p} && $used_ports->{$p} ne $iface;
1504 $used_ports->{$p} = $iface;
1508 # delete unused OVS ports
1509 foreach my $iface (keys %$ifaces) {
1510 my $d = $ifaces->{$iface};
1511 if ($d->{type
} eq 'OVSPort' || $d->{type
} eq 'OVSIntPort' || $d->{type
} eq 'OVSBond') {
1512 my $brname = $used_ports->{$iface};
1513 if (!$brname || !$ifaces->{$brname}) {
1514 if ($iface =~ /^$PVE::Network::PHYSICAL_NIC_RE/) {
1515 $ifaces->{$iface} = {
1519 families
=> ['inet'],
1522 delete $ifaces->{$iface};
1526 my $bd = $ifaces->{$brname};
1527 if ($bd->{type
} ne 'OVSBridge') {
1528 delete $ifaces->{$iface};
1534 # create OVS bridge ports
1535 foreach my $iface (keys %$ifaces) {
1536 my $d = $ifaces->{$iface};
1537 if ($d->{type
} eq 'OVSBridge' && $d->{ovs_ports
}) {
1538 foreach my $p (split (/\s+/, $d->{ovs_ports
})) {
1539 my $n = $ifaces->{$p};
1540 die "OVS bridge '$iface' - unable to find port '$p'\n" if !$n;
1541 $n->{autostart
} = 0;
1542 if ($n->{type
} eq 'eth') {
1543 $n->{type
} = 'OVSPort';
1544 $n->{ovs_bridge
} = $iface;
1545 } elsif ($n->{type
} eq 'OVSBond' || $n->{type
} eq 'OVSPort' ||
1546 $n->{type
} eq 'OVSIntPort') {
1547 $n->{ovs_bridge
} = $iface;
1549 die "interface '$p' is not defined as OVS port/bond\n";
1552 &$check_mtu($ifaces, $iface, $p);
1557 # check OVS bond ports
1558 foreach my $iface (keys %$ifaces) {
1559 my $d = $ifaces->{$iface};
1560 if ($d->{type
} eq 'OVSBond' && $d->{ovs_bonds
}) {
1561 foreach my $p (split (/\s+/, $d->{ovs_bonds
})) {
1562 my $n = $ifaces->{$p};
1563 $n->{autostart
} = 1;
1564 die "OVS bond '$iface' - unable to find slave '$p'\n" if !$n;
1565 die "OVS bond '$iface' - wrong interface type on slave '$p' ('$n->{type}' != 'eth')\n"
1566 if $n->{type
} ne 'eth';
1567 &$check_mtu($ifaces, $iface, $p);
1573 foreach my $iface (keys %$ifaces) {
1574 my $d = $ifaces->{$iface};
1575 next if !($d->{type
} eq 'bond' && $d->{slaves
});
1577 my $bond_primary_is_slave = undef;
1578 foreach my $p (split (/\s+/, $d->{slaves
})) {
1579 my $n = $ifaces->{$p};
1580 $n->{autostart
} = 1;
1582 die "bond '$iface' - unable to find slave '$p'\n" if !$n;
1583 die "bond '$iface' - wrong interface type on slave '$p' ('$n->{type}' != 'eth or bond')\n"
1584 if ($n->{type
} ne 'eth' && $n->{type
} ne 'bond');
1586 $check_mtu->($ifaces, $iface, $p);
1587 $bond_primary_is_slave = 1 if $d->{'bond-primary'} && $d->{'bond-primary'} eq $p;
1589 die "bond '$iface' - bond-primary interface is not a slave" if $d->{'bond-primary'} && !$bond_primary_is_slave;
1594 foreach my $iface (keys %$ifaces) {
1595 my $d = $ifaces->{$iface};
1597 if ($d->{type
} eq 'vxlan' && $d->{'vxlan-id'}) {
1598 my $vxlanid = $d->{'vxlan-id'};
1599 die "iface $iface - duplicate vxlan-id $vxlanid already used in $vxlans->{$vxlanid}\n" if $vxlans->{$vxlanid};
1600 $vxlans->{$vxlanid} = $iface;
1604 ++$ips if defined $d->{'vxlan-svcnodeip'};
1605 ++$ips if defined $d->{'vxlan-remoteip'};
1606 ++$ips if defined $d->{'vxlan-local-tunnelip'};
1608 die "iface $iface - vxlan-svcnodeip, vxlan-remoteip and vxlan-localtunnelip are mutually exclusive\n";
1611 if (defined($d->{'vxlan-svcnodeip'}) != defined($d->{'vxlan-physdev'})) {
1612 die "iface $iface - vxlan-svcnodeip and vxlan-physdev must be define together\n";
1614 #fixme : check if vxlan mtu is lower than 50bytes than physical interface where tunnel is going out
1618 foreach my $iface (keys %$ifaces) {
1619 my $d = $ifaces->{$iface};
1620 if ($d->{type
} eq 'vlan') {
1625 if ($iface =~ m/^(\S+)\.(\d+)$/) {
1628 delete $d->{'vlan-raw-device'} if $d->{'vlan-raw-device'};
1629 delete $d->{'vlan-id'} if $d->{'vlan-id'};
1632 die "missing vlan-raw-device option" if !$d->{'vlan-raw-device'};
1633 $p = $d->{'vlan-raw-device'};
1635 if ($iface =~ m/^vlan(\d+)$/) {
1637 delete $d->{'vlan-id'} if $d->{'vlan-id'};
1639 die "custom vlan interface name need ifupdown2" if !$ifupdown2;
1640 die "missing vlan-id option" if !$d->{'vlan-id'};
1641 $vlanid = $d->{'vlan-id'};
1644 my $n = $ifaces->{$p};
1646 die "vlan '$iface' - vlan-id $vlanid should be <= 4094\n" if $vlanid > 4094;
1647 die "vlan '$iface' - unable to find parent '$p'\n"
1650 if ($n->{type
} ne 'eth' && $n->{type
} ne 'bridge' && $n->{type
} ne 'bond' && $n->{type
} ne 'vlan') {
1651 die "vlan '$iface' - wrong interface type on parent '$p' " .
1652 "('$n->{type}' != 'eth|bond|bridge|vlan' )\n";
1655 &$check_mtu($ifaces, $p, $iface);
1662 foreach my $iface (keys %$ifaces) {
1663 my $d = $ifaces->{$iface};
1664 if (my $uplinkid = $d->{'uplink-id'}) {
1665 die "iface '$iface' - uplink-id $uplinkid is only allowed on physical and linux bond interfaces\n"
1666 if $d->{type
} ne 'eth' && $d->{type
} ne 'bond';
1668 die "iface '$iface' - uplink-id $uplinkid is already assigned on '$uplinks->{$uplinkid}'\n"
1669 if $uplinks->{$uplinkid};
1671 $uplinks->{$uplinkid} = $iface;
1675 # check bridgeport option
1676 my $bridgeports = {};
1678 my $ifaces_copy = { %$ifaces };
1679 foreach my $iface (keys %$ifaces_copy) {
1680 my $d = $ifaces_copy->{$iface};
1681 if ($d->{type
} eq 'bridge') {
1682 foreach my $p (split (/\s+/, $d->{bridge_ports
} // '')) {
1683 if($p =~ m/(\S+)\.(\d+)$/) {
1684 my $vlanparent = $1;
1685 if (!defined($ifaces_copy->{$p})) {
1686 $ifaces_copy->{$p}->{type
} = 'vlan';
1687 $ifaces_copy->{$p}->{method} = 'manual';
1688 $ifaces_copy->{$p}->{method6
} = 'manual';
1689 $ifaces_copy->{$p}->{mtu
} = $ifaces_copy->{$vlanparent}->{mtu
} if defined($ifaces_copy->{$1}->{mtu
});
1692 my $n = $ifaces_copy->{$p};
1693 die "bridge '$iface' - unable to find bridge port '$p'\n" if !$n;
1694 die "iface $p - ip address can't be set on interface if bridged in $iface\n"
1695 if ($n->{method} && $n->{method} eq 'static' && $n->{address
} ne '0.0.0.0') ||
1696 ($n->{method6
} && $n->{method6
} eq 'static' && $n->{address6
} ne '::');
1697 &$check_mtu($ifaces_copy, $p, $iface);
1698 $bridgeports->{$p} = $iface;
1700 $bridges->{$iface} = $d;
1704 foreach my $iface (keys %$ifaces) {
1705 my $d = $ifaces->{$iface};
1707 foreach my $k (qw(bridge-learning bridge-arp-nd-suppress bridge-unicast-flood bridge-multicast-flood bridge-access)) {
1708 die "iface $iface - $k: bridge port specific options can be used only on interfaces attached to a bridge\n"
1709 if $d->{$k} && !$bridgeports->{$iface};
1712 if ($d->{'bridge-access'} && !$bridges->{$bridgeports->{$iface}}->{bridge_vlan_aware
}) {
1713 die "iface $iface - bridge-access option can be only used if interface is in a vlan aware bridge\n";
1717 my $raw = <<'NETWORKDOC';
1718 # network interface settings; autogenerated
1719 # Please do NOT modify this file directly, unless you know what
1722 # If you want to manage parts of the network configuration manually,
1723 # please utilize the 'source' or 'source-directory' directives to do
1725 # PVE will preserve these directives, but will NOT read its network
1726 # configuration from sourced files, so do not attempt to move any of
1727 # the PVE managed interfaces into external files!
1733 my $if_type_hash = {
1738 OVSIntPort
=> 300000,
1742 OVSBridge
=> 500000,
1747 my $lookup_type_prio = sub {
1748 my ($iface, $ifaces) = @_;
1750 my ($rootiface, @rest) = split(/[.:]/, $iface);
1751 my $childlevel = scalar(@rest);
1752 my $type = $ifaces->{$rootiface}->{type
};
1753 return if !$type || $type eq 'unknown';
1755 return $if_type_hash->{$type} + $childlevel
1758 foreach my $iface (sort {
1759 my $ref1 = $ifaces->{$a};
1760 my $ref2 = $ifaces->{$b};
1761 my $tp1 = &$lookup_type_prio($a, $ifaces);
1762 my $tp2 = &$lookup_type_prio($b, $ifaces);
1764 # Only recognized types are in relation to each other. If one type
1765 # is unknown then only consider the interfaces' priority attributes.
1766 $tp1 = $tp2 = 0 if !defined($tp1) || !defined($tp2);
1768 my $p1 = $tp1 + ($ref1->{priority
} // 50000);
1769 my $p2 = $tp2 + ($ref2->{priority
} // 50000);
1771 return $p1 <=> $p2 if $p1 != $p2;
1775 next if $printed->{$iface};
1776 my $d = $ifaces->{$iface};
1777 my $pri = $d->{priority
} // 0;
1778 if (@options && $options[0]->[0] < $pri) {
1780 $raw .= (shift @options)->[1] . "\n";
1781 } while (@options && $options[0]->[0] < $pri);
1785 $printed->{$iface} = 1;
1786 if ($d->{autostart
}) {
1787 if ($d->{type
} eq 'OVSBridge' && !$ifupdown2) {
1788 # cannot use 'auto' for OVS, would add race with systemd ifup@.service
1789 $raw .= "allow-ovs $iface\n";
1791 $raw .= "auto $iface\n";
1795 # if 'inet6' is the only family
1796 if (scalar($d->{families
}->@*) == 1 && defined($d->{families
}->[0]) && $d->{families
}->[0] eq 'inet6') {
1797 $d->{comments6
} = delete $d->{comments
};
1800 my $i = 0; # some options should be printed only once
1801 $raw .= __interface_to_string
($iface, $d, $_, !$i++, $ifupdown2) foreach @{$d->{families
}};
1804 $raw .= $_->[1] . "\n" foreach @options;
1808 register_file
('interfaces', "/etc/network/interfaces",
1809 \
&read_etc_network_interfaces
,
1810 \
&write_etc_network_interfaces
);
1813 sub read_iscsi_initiatorname
{
1814 my ($filename, $fd) = @_;
1816 while (defined(my $line = <$fd>)) {
1817 if ($line =~ m/^InitiatorName=(\S+)$/) {
1825 register_file
('initiatorname', "/etc/iscsi/initiatorname.iscsi",
1826 \
&read_iscsi_initiatorname
);