3 # todo: maybe we do not need update_file() ?
13 use Fcntl qw(:DEFAULT :flock);
15 use PVE::Exception qw(raise_param_exc);
24 our @EXPORT_OK = qw(read_file write_file register_file);
33 '/etc/network/interfaces' => '/etc/network/interfaces.new',
36 # to enable cached operation, you need to call 'inotify_init'
37 # inotify handles are a limited resource, so use with care (only
38 # enable the cache if you really need it)
40 # Note: please close the inotify handle after you fork
42 sub ccache_default_writer {
43 my ($filename, $data) = @_;
45 die "undefined config writer for '$filename' :ERROR";
48 sub ccache_default_parser {
49 my ($filename, $srcfd) = @_;
51 die "undefined config reader for '$filename' :ERROR";
54 sub ccache_compute_diff {
55 my ($filename, $shadow) = @_;
59 open (TMP, "diff -b -N -u '$filename' '$shadow'|");
61 while (my $line = <TMP>) {
67 $diff = undef if !$diff;
75 foreach my $uid (keys %$ccacheregex) {
76 my $ccinfo = $ccacheregex->{$uid};
77 my $dir = $ccinfo->{dir};
78 my $regex = $ccinfo->{regex};
79 if ($filename =~ m|^$dir/+$regex$|) {
80 if (!$ccache->{$filename}) {
82 while (my ($k, $v) = each %$ccinfo) {
85 $ccache->{$filename} = $cp;
87 return ($ccache->{$filename}, $filename);
91 $filename = $ccachemap->{$filename} if defined ($ccachemap->{$filename});
93 die "file '$filename' not added :ERROR" if !defined ($ccache->{$filename});
95 return ($ccache->{$filename}, $filename);
99 my ($fileid, $data, $full) = @_;
101 my ($ccinfo, $filename) = ccache_info($fileid);
103 my $writer = $ccinfo->{writer};
105 my $realname = $filename;
108 if ($shadow = $shadowfiles->{$filename}) {
112 my $perm = $ccinfo->{perm} || 0644;
114 my $tmpname = "$realname.tmp.$$";
118 my $fh = IO::File->new($tmpname, O_WRONLY|O_CREAT, $perm);
119 die "unable to open file '$tmpname' - $!\n" if !$fh;
121 $res = &$writer($filename, $fh, $data);
123 die "closing file '$tmpname' failed - $!\n" unless close $fh;
127 $ccinfo->{version} = undef;
134 if (!rename($tmpname, $realname)) {
135 my $msg = "close (rename) atomic file '$filename' failed: $!\n";
141 if ($shadow && $full) {
142 $diff = ccache_compute_diff ($filename, $shadow);
146 return { data => $res, changes => $diff };
153 my ($fileid, $data, @args) = @_;
155 my ($ccinfo, $filename) = ccache_info($fileid);
157 my $update = $ccinfo->{update};
159 die "unable to update/merge data" if !$update;
161 my $lkfn = "$filename.lock";
169 $fd = IO::File->new ($filename, "r");
171 my $new = &$update($filename, $fd, $data, @args);
174 PVE::Tools::file_set_contents($filename, $new, $ccinfo->{perm});
180 PVE::Tools::lock_file($lkfn, $timeout, $code);
183 close($fd) if defined($fd);
190 sub discard_changes {
191 my ($fileid, $full) = @_;
193 my ($ccinfo, $filename) = ccache_info($fileid);
195 if (my $copy = $shadowfiles->{$filename}) {
199 return read_file ($filename, $full);
205 poll() if $inotify; # read new inotify events
207 $versions->{$filename} = 0 if !defined ($versions->{$filename});
209 return $versions->{$filename};
213 my ($fileid, $full) = @_;
217 my ($ccinfo, $filename) = ccache_info($fileid);
219 $parser = $ccinfo->{parser};
224 my $cver = poll_changes($filename);
226 if (my $copy = $shadowfiles->{$filename}) {
227 if ($fd = IO::File->new ($copy, "r")) {
230 $fd = IO::File->new ($filename, "r");
233 $fd = IO::File->new ($filename, "r");
236 my $acp = $ccinfo->{always_call_parser};
239 $ccinfo->{version} = undef;
240 $ccinfo->{data} = undef;
241 $ccinfo->{diff} = undef;
242 return undef if !$acp;
245 my $noclone = $ccinfo->{noclone};
248 if (!$ccinfo->{nocache} &&
250 defined ($ccinfo->{data}) &&
251 defined ($ccinfo->{version}) &&
252 ($ccinfo->{readonce} ||
253 ($ccinfo->{version} == $cver))) {
256 if (!$noclone && ref ($ccinfo->{data})) {
257 $ret->{data} = clone ($ccinfo->{data});
259 $ret->{data} = $ccinfo->{data};
261 $ret->{changes} = $ccinfo->{diff};
263 return $full ? $ret : $ret->{data};
269 $diff = ccache_compute_diff ($filename, $shadow);
272 my $res = &$parser($filename, $fd);
274 if (!$ccinfo->{nocache}) {
275 $ccinfo->{version} = $cver;
278 # we cache data with references, so we always need to
279 # clone this data. Else the original data may get
281 $ccinfo->{data} = $res;
284 $ccinfo->{diff} = $diff;
287 if (!$noclone && ref ($ccinfo->{data})) {
288 $ret->{data} = clone ($ccinfo->{data});
290 $ret->{data} = $ccinfo->{data};
292 $ret->{changes} = $ccinfo->{diff};
294 return $full ? $ret : $ret->{data};
297 sub parse_ccache_options {
298 my ($ccinfo, %options) = @_;
300 foreach my $opt (keys %options) {
301 my $v = $options{$opt};
302 if ($opt eq 'readonce') {
303 $ccinfo->{$opt} = $v;
304 } elsif ($opt eq 'nocache') {
305 $ccinfo->{$opt} = $v;
306 } elsif ($opt eq 'shadow') {
307 $ccinfo->{$opt} = $v;
308 } elsif ($opt eq 'perm') {
309 $ccinfo->{$opt} = $v;
310 } elsif ($opt eq 'noclone') {
311 # noclone flag for large read-only data chunks like aplinfo
312 $ccinfo->{$opt} = $v;
313 } elsif ($opt eq 'always_call_parser') {
314 # when set, we call parser even when the file does not exists.
315 # this allows the parser to return some default
316 $ccinfo->{$opt} = $v;
318 die "internal error - unsupported option '$opt'";
324 my ($id, $filename, $parser, $writer, $update, %options) = @_;
326 die "can't register file '$filename' after inotify_init" if $inotify;
328 die "file '$filename' already added :ERROR" if defined ($ccache->{$filename});
329 die "ID '$id' already used :ERROR" if defined ($ccachemap->{$id});
334 $ccinfo->{parser} = $parser || \&ccache_default_parser;
335 $ccinfo->{writer} = $writer || \&ccache_default_writer;
336 $ccinfo->{update} = $update;
338 parse_ccache_options($ccinfo, %options);
340 if ($options{shadow}) {
341 $shadowfiles->{$filename} = $options{shadow};
344 $ccachemap->{$id} = $filename;
345 $ccache->{$filename} = $ccinfo;
349 my ($dir, $regex, $parser, $writer, $update, %options) = @_;
351 die "can't register regex after inotify_init" if $inotify;
353 my $uid = "$dir/$regex";
354 die "regular expression '$uid' already added :ERROR" if defined ($ccacheregex->{$uid});
358 $ccinfo->{dir} = $dir;
359 $ccinfo->{regex} = $regex;
360 $ccinfo->{parser} = $parser || \&ccache_default_parser;
361 $ccinfo->{writer} = $writer || \&ccache_default_writer;
362 $ccinfo->{update} = $update;
364 parse_ccache_options($ccinfo, %options);
366 $ccacheregex->{$uid} = $ccinfo;
372 if ($inotify_pid != $$) {
373 syslog ('err', "got inotify poll request in wrong process - disabling inotify");
376 1 while $inotify && $inotify->poll;
381 foreach my $filename (keys %$ccache) {
382 $ccache->{$filename}->{version} = undef;
383 $ccache->{$filename}->{data} = undef;
384 $ccache->{$filename}->{diff} = undef;
394 die "only one inotify instance allowed" if $inotify;
396 $inotify = Linux::Inotify2->new()
397 || die "Unable to create new inotify object: $!";
399 $inotify->blocking (0);
404 foreach my $fn (keys %$ccache) {
405 my $dir = dirname ($fn);
406 my $base = basename ($fn);
408 $dirhash->{$dir}->{$base} = $fn;
410 if (my $sf = $shadowfiles->{$fn}) {
411 $base = basename ($sf);
412 $dir = dirname ($sf);
413 $dirhash->{$dir}->{$base} = $fn; # change version of original file!
417 foreach my $uid (keys %$ccacheregex) {
418 my $ccinfo = $ccacheregex->{$uid};
419 $dirhash->{$ccinfo->{dir}}->{_regex} = 1;
424 foreach my $dir (keys %$dirhash) {
426 my $evlist = IN_MODIFY|IN_ATTRIB|IN_MOVED_FROM|IN_MOVED_TO|IN_DELETE|IN_CREATE;
427 $inotify->watch ($dir, $evlist, sub {
431 if ($inotify_pid != $$) {
432 syslog ('err', "got inotify event in wrong process");
435 if ($e->IN_ISDIR || !$name) {
439 if ($e->IN_Q_OVERFLOW) {
440 syslog ('info', "got inotify overflow - flushing cache");
445 if ($e->IN_UNMOUNT) {
446 syslog ('err', "got 'unmount' event on '$name' - disabling inotify");
449 if ($e->IN_IGNORED) {
450 syslog ('err', "got 'ignored' event on '$name' - disabling inotify");
454 if ($dirhash->{$dir}->{_regex}) {
455 foreach my $uid (keys %$ccacheregex) {
456 my $ccinfo = $ccacheregex->{$uid};
457 next if $dir ne $ccinfo->{dir};
458 my $regex = $ccinfo->{regex};
459 if ($regex && ($name =~ m|^$regex$|)) {
461 my $fn = "$dir/$name";
463 #print "VERSION:$fn:$versions->{$fn}\n";
466 } elsif (my $fn = $dirhash->{$dir}->{$name}) {
469 #print "VERSION:$fn:$versions->{$fn}\n";
474 foreach my $dir (keys %$dirhash) {
475 foreach my $name (keys %{$dirhash->{$dir}}) {
476 if ($name eq '_regex') {
477 foreach my $uid (keys %$ccacheregex) {
478 my $ccinfo = $ccacheregex->{$uid};
479 next if $dir ne $ccinfo->{dir};
480 my $re = $ccinfo->{regex};
481 if (my $fd = IO::Dir->new ($dir)) {
482 while (defined(my $de = $fd->read)) {
483 if ($de =~ m/^$re$/) {
485 $versions->{$fn}++; # init with version
486 #print "init:$fn:$versions->{$fn}\n";
492 my $fn = $dirhash->{$dir}->{$name};
493 $versions->{$fn}++; # init with version
494 #print "init:$fn:$versions->{$fn}\n";
504 return $cached_nodename if $cached_nodename;
506 my ($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);
541 sub read_etc_resolv_conf {
542 my ($filename, $fh) = @_;
547 while (my $line = <$fh>) {
549 if ($line =~ m/^(search|domain)\s+(\S+)\s*/) {
551 } elsif ($line =~ m/^\s*nameserver\s+($PVE::Tools::IPRE)\s*/) {
554 $res->{"dns$nscount"} = $1;
562 sub update_etc_resolv_conf {
563 my ($filename, $fh, $resolv, @args) = @_;
567 $data = "search $resolv->{search}\n"
568 if $resolv->{search};
571 foreach my $k ("dns1", "dns2", "dns3") {
572 my $ns = $resolv->{$k};
573 if ($ns && $ns ne '0.0.0.0' && !$written->{$ns}) {
575 $data .= "nameserver $ns\n";
579 while (my $line = <$fh>) {
580 next if $line =~ m/^(search|domain|nameserver)\s+/;
587 register_file('resolvconf', "/etc/resolv.conf",
588 \&read_etc_resolv_conf, undef,
589 \&update_etc_resolv_conf);
591 sub read_etc_timezone {
592 my ($filename, $fd) = @_;
594 my $timezone = <$fd>;
601 sub write_etc_timezone {
602 my ($filename, $fh, $timezone) = @_;
604 my $tzinfo = "/usr/share/zoneinfo/$timezone";
606 raise_param_exc({ 'timezone' => "No such timezone" })
609 ($timezone) = $timezone =~ m/^(.*)$/; # untaint
611 print $fh "$timezone\n";
613 unlink ("/etc/localtime");
614 symlink ("/usr/share/zoneinfo/$timezone", "/etc/localtime");
618 register_file('timezone', "/etc/timezone",
620 \&write_etc_timezone);
622 sub read_active_workers {
623 my ($filename, $fh) = @_;
628 while (defined (my $line = <$fh>)) {
629 if ($line =~ m/^(\S+)\s(0|1)(\s([0-9A-Za-z]{8})(\s(\s*\S.*))?)?$/) {
634 if ((my $task = PVE::Tools::upid_decode($upid, 1))) {
635 $task->{upid} = $upid;
636 $task->{saved} = $saved;
637 $task->{endtime} = hex($endtime) if $endtime;
638 $task->{status} = $status if $status;
642 warn "unable to parse line: $line";
650 sub write_active_workers {
651 my ($filename, $fh, $tasklist) = @_;
654 foreach my $task (@$tasklist) {
655 my $upid = $task->{upid};
656 my $saved = $task->{saved} ? 1 : 0;
657 if ($task->{endtime}) {
658 if ($task->{status}) {
659 $raw .= sprintf("%s %s %08X %s\n", $upid, $saved, $task->{endtime}, $task->{status});
661 $raw .= sprintf("%s %s %08X\n", $upid, $saved, $task->{endtime});
664 $raw .= "$upid $saved\n";
668 PVE::Tools::safe_print($filename, $fh, $raw) if $raw;
671 register_file('active', "/var/log/pve/tasks/active",
672 \&read_active_workers,
673 \&write_active_workers);
676 our $bond_modes = { 'balance-rr' => 0,
677 'active-backup' => 1,
685 my $ovs_bond_modes = {
686 'active-backup' => 1,
688 'lacp-balance-slb' => 1,
689 'lacp-balance-tcp' => 1,
692 #sub get_bond_modes {
693 # return $bond_modes;
696 my $parse_ovs_option = sub {
700 foreach my $kv (split (/\s+/, $data || '')) {
701 my ($k, $v) = split('=', $kv, 2);
702 $opts->{$k} = $v if $k && $v;
707 my $set_ovs_option = sub {
708 my ($d, %params) = @_;
710 my $opts = &$parse_ovs_option($d->{ovs_options});
712 foreach my $k (keys %params) {
722 foreach my $k (keys %$opts) {
723 push @$res, "$k=$opts->{$k}";
726 if (my $new = join(' ', @$res)) {
727 $d->{ovs_options} = $new;
728 return $d->{ovs_options};
730 delete $d->{ovs_options};
735 my $extract_ovs_option = sub {
738 my $opts = &$parse_ovs_option($d->{ovs_options});
740 my $v = delete $opts->{$name};
743 foreach my $k (keys %$opts) {
744 push @$res, "$k=$opts->{$k}";
747 if (my $new = join(' ', @$res)) {
748 $d->{ovs_options} = $new;
750 delete $d->{ovs_options};
759 # <optional> exists => BOOL,
760 # <optional> active => BOOL,
761 # <optional> autostart => BOOL,
762 # <auto> priority => INT,
764 # type => "eth" | "bridge" | "bond" | "loopback" | "OVS*" | ... ,
766 # families => ["inet", "inet6", ...],
768 # method => "manual" | "static" | "dhcp" | ... ,
773 # comments => [ "..." ],
775 # method6 => "manual" | "static" | "dhcp" | ... ,
777 # netmask6 => SUBNET,
779 # comments6 => [ "..." ],
781 # <known options>, # like bridge_ports, ovs_*
783 # # extra/unknown options stored by-family:
784 # options => { <inet options>... }
785 # options6 => { <inet6 options>... }
789 # # mappings end up here as well, as we don't need to understand them
793 sub read_etc_network_interfaces {
794 my ($filename, $fh) = @_;
795 my $proc_net_dev = IO::File->new('/proc/net/dev', 'r');
796 my $active = PVE::ProcFSTools::get_active_network_interfaces();
797 return __read_etc_network_interfaces($fh, $proc_net_dev, $active);
800 sub __read_etc_network_interfaces {
801 my ($fh, $proc_net_dev, $active_ifaces) = @_;
804 my $ifaces = $config->{ifaces} = {};
805 my $options = $config->{options} = [];
807 my $options_alternatives = {
808 'bond-slaves' => 'slaves',
809 'bond_slaves' => 'slaves',
810 'bond-xmit-hash-policy' => 'bond_xmit_hash_policy',
811 'bond-mode' => 'bond_mode',
812 'bond-miimon' =>'bond_miimon',
813 'bridge-vlan-aware' => 'bridge_vlan_aware',
814 'bridge-fd' => 'bridge_fd',
815 'bridge-stp' => 'bridge_stp',
816 'bridge-ports' => 'bridge_ports',
817 'bridge-vids' => 'bridge_vids'
823 while (defined ($line = <$proc_net_dev>)) {
824 if ($line =~ m/^\s*($PVE::Network::PHYSICAL_NIC_RE):.*/) {
825 $ifaces->{$1}->{exists} = 1;
828 close($proc_net_dev);
831 # we try to keep order inside the file
832 my $priority = 2; # 1 is reserved for lo
834 SECTION: while (defined ($line = <$fh>)) {
836 next if $line =~ m/^\s*#/;
838 if ($line =~ m/^\s*auto\s+(.*)$/) {
839 my @aa = split (/\s+/, $1);
841 foreach my $a (@aa) {
842 $ifaces->{$a}->{autostart} = 1;
845 } elsif ($line =~ m/^\s*iface\s+(\S+)\s+(inet6?)\s+(\S+)\s*$/) {
848 my $f = { method => $3 }; # by family, merged to $d with a $suffix
849 (my $suffix = $family) =~ s/^inet//;
851 my $d = $ifaces->{$i} ||= {};
852 $d->{priority} = $priority++ if !$d->{priority};
853 push @{$d->{families}}, $family;
855 while (defined ($line = <$fh>)) {
857 if ($line =~ m/^\s*#(.*?)\s*$/) {
858 # NOTE: we use 'comments' instead of 'comment' to
859 # avoid automatic utf8 conversion
860 $f->{comments} = '' if !$f->{comments};
861 $f->{comments} .= "$1\n";
862 } elsif ($line =~ m/^\s*(?:iface\s
870 } elsif ($line =~ m/^\s*((\S+)\s+(.+))$/) {
872 my ($id, $value) = ($2, $3);
874 $id = $options_alternatives->{$id} if $options_alternatives->{$id};
876 if (($id eq 'address') || ($id eq 'netmask') || ($id eq 'broadcast') || ($id eq 'gateway')) {
878 } elsif ($id eq 'ovs_type' || $id eq 'ovs_options'|| $id eq 'ovs_bridge' ||
879 $id eq 'ovs_bonds' || $id eq 'ovs_ports') {
881 } elsif ($id eq 'slaves' || $id eq 'bridge_ports') {
883 foreach my $p (split (/\s+/, $value)) {
884 next if $p eq 'none';
887 my $str = join (' ', sort keys %{$devs});
889 $d->{$id} .= ' ' . $str if $str;
891 $d->{$id} = $str || '';
893 } elsif ($id eq 'bridge_stp') {
894 if ($value =~ m/^\s*(on|yes)\s*$/i) {
899 } elsif ($id eq 'bridge_fd' || $id eq 'bridge_vids') {
901 } elsif ($id eq 'bridge_vlan_aware') {
903 } elsif ($id eq 'bond_miimon') {
905 } elsif ($id eq 'bond_xmit_hash_policy') {
907 } elsif ($id eq 'bond_mode') {
909 foreach my $bm (keys %$bond_modes) {
910 my $id = $bond_modes->{$bm};
918 push @{$f->{options}}, $option;
924 $d->{"$_$suffix"} = $f->{$_} foreach (keys %$f);
925 last SECTION if !defined($line);
927 } elsif ($line =~ /\w/) {
928 push @$options, [$priority++, $line];
932 foreach my $ifname (@$active_ifaces) {
933 if (my $iface = $ifaces->{$ifname}) {
934 $iface->{active} = 1;
938 if (!$ifaces->{lo}) {
939 $ifaces->{lo}->{priority} = 1;
940 $ifaces->{lo}->{method} = 'loopback';
941 $ifaces->{lo}->{type} = 'loopback';
942 $ifaces->{lo}->{autostart} = 1;
945 foreach my $iface (keys %$ifaces) {
946 my $d = $ifaces->{$iface};
947 if ($iface =~ m/^bond\d+$/) {
948 if (!$d->{ovs_type}) {
950 } elsif ($d->{ovs_type} eq 'OVSBond') {
951 $d->{type} = $d->{ovs_type};
952 # translate: ovs_options => bond_mode
953 $d->{'bond_mode'} = &$extract_ovs_option($d, 'bond_mode');
954 my $lacp = &$extract_ovs_option($d, 'lacp');
955 if ($lacp && $lacp eq 'active') {
956 if ($d->{'bond_mode'} eq 'balance-slb') {
957 $d->{'bond_mode'} = 'lacp-balance-slb';
960 # Note: balance-tcp needs lacp
961 if ($d->{'bond_mode'} eq 'balance-tcp') {
962 $d->{'bond_mode'} = 'lacp-balance-tcp';
964 my $tag = &$extract_ovs_option($d, 'tag');
965 $d->{ovs_tag} = $tag if defined($tag);
967 $d->{type} = 'unknown';
969 } elsif ($iface =~ m/^vmbr\d+$/) {
970 if (!$d->{ovs_type}) {
971 $d->{type} = 'bridge';
973 if (!defined ($d->{bridge_fd})) {
976 if (!defined ($d->{bridge_stp})) {
977 $d->{bridge_stp} = 'off';
979 } elsif ($d->{ovs_type} eq 'OVSBridge') {
980 $d->{type} = $d->{ovs_type};
982 $d->{type} = 'unknown';
984 } elsif ($iface =~ m/^(\S+):\d+$/) {
985 $d->{type} = 'alias';
986 if (defined ($ifaces->{$1})) {
987 $d->{exists} = $ifaces->{$1}->{exists};
989 $ifaces->{$1}->{exists} = 0;
992 } elsif ($iface =~ m/^(\S+)\.\d+$/) {
994 if (defined ($ifaces->{$1})) {
995 $d->{exists} = $ifaces->{$1}->{exists};
997 $ifaces->{$1}->{exists} = 0;
1000 } elsif ($iface =~ m/^$PVE::Network::PHYSICAL_NIC_RE$/) {
1001 if (!$d->{ovs_type}) {
1003 } elsif ($d->{ovs_type} eq 'OVSPort') {
1004 $d->{type} = $d->{ovs_type};
1005 my $tag = &$extract_ovs_option($d, 'tag');
1006 $d->{ovs_tag} = $tag if defined($tag);
1008 $d->{type} = 'unknown';
1010 } elsif ($iface =~ m/^lo$/) {
1011 $d->{type} = 'loopback';
1013 if (!$d->{ovs_type}) {
1014 $d->{type} = 'unknown';
1015 } elsif ($d->{ovs_type} eq 'OVSIntPort') {
1016 $d->{type} = $d->{ovs_type};
1017 my $tag = &$extract_ovs_option($d, 'tag');
1018 $d->{ovs_tag} = $tag if defined($tag);
1022 $d->{method} = 'manual' if !$d->{method};
1023 $d->{method6} = 'manual' if !$d->{method6};
1025 $d->{families} ||= ['inet'];
1028 # OVS bridges create "allow-$BRIDGE $IFACE" lines which we need to remove
1029 # from the {options} hash for them to be removed correctly.
1030 @$options = grep {defined($_)} map {
1031 my ($pri, $line) = @$_;
1032 if ($line =~ /^allow-(\S+)\s+(.*)$/) {
1034 my @ports = split(/\s+/, $2);
1035 if (defined(my $br = $ifaces->{$bridge})) {
1036 # if this port is part of a bridge, remove it
1037 my %in_ovs_ports = map {$_=>1} split(/\s+/, $br->{ovs_ports});
1038 @ports = grep { not $in_ovs_ports{$_} } @ports;
1040 # create the allow line for the remaining ports, or delete if empty
1042 [$pri, "allow-$bridge " . join(' ', @ports)];
1047 # don't modify other lines
1055 sub __interface_to_string {
1056 my ($iface, $d, $family, $first_block, $ifupdown2) = @_;
1058 (my $suffix = $family) =~ s/^inet//;
1060 return '' if !($d && $d->{"method$suffix"});
1064 $raw .= "iface $iface $family " . $d->{"method$suffix"} . "\n";
1065 $raw .= "\taddress " . $d->{"address$suffix"} . "\n" if $d->{"address$suffix"};
1066 $raw .= "\tnetmask " . $d->{"netmask$suffix"} . "\n" if $d->{"netmask$suffix"};
1067 $raw .= "\tgateway " . $d->{"gateway$suffix"} . "\n" if $d->{"gateway$suffix"};
1068 $raw .= "\tbroadcast " . $d->{"broadcast$suffix"} . "\n" if $d->{"broadcast$suffix"};
1070 my $done = { type => 1, priority => 1, method => 1, active => 1, exists => 1,
1071 comments => 1, autostart => 1, options => 1,
1072 address => 1, netmask => 1, gateway => 1, broadcast => 1,
1073 method6 => 1, families => 1, options6 => 1,
1074 address6 => 1, netmask6 => 1, gateway6 => 1, broadcast6 => 1 };
1076 if (!$first_block) {
1077 # not printing out options
1078 } elsif ($d->{type} eq 'bridge') {
1080 $d->{bridge_ports} =~ s/[;,\s]+/ /g;
1081 my $ports = $d->{bridge_ports} || 'none';
1082 $raw .= "\tbridge-ports $ports\n";
1083 $done->{bridge_ports} = 1;
1085 my $v = defined($d->{bridge_stp}) ? $d->{bridge_stp} : 'off';
1086 $raw .= "\tbridge-stp $v\n";
1087 $done->{bridge_stp} = 1;
1089 $v = defined($d->{bridge_fd}) ? $d->{bridge_fd} : 0;
1090 $raw .= "\tbridge-fd $v\n";
1091 $done->{bridge_fd} = 1;
1093 if( defined($d->{bridge_vlan_aware})) {
1094 $raw .= "\tbridge-vlan-aware yes\n";
1095 $v = defined($d->{bridge_vids}) ? $d->{bridge_vids} : "2-4094";
1096 $raw .= "\tbridge-vids $v\n";
1098 $done->{bridge_vlan_aware} = 1;
1099 $done->{bridge_vids} = 1;
1101 } elsif ($d->{type} eq 'bond') {
1103 $d->{slaves} =~ s/[;,\s]+/ /g;
1104 my $slaves = $d->{slaves} || 'none';
1105 $raw .= "\tbond-slaves $slaves\n";
1106 $done->{slaves} = 1;
1108 my $v = defined ($d->{'bond_miimon'}) ? $d->{'bond_miimon'} : 100;
1109 $raw .= "\tbond-miimon $v\n";
1110 $done->{'bond_miimon'} = 1;
1112 $v = defined ($d->{'bond_mode'}) ? $d->{'bond_mode'} : 'balance-rr';
1113 $raw .= "\tbond-mode $v\n";
1114 $done->{'bond_mode'} = 1;
1116 if ($d->{'bond_mode'} && $d->{'bond_xmit_hash_policy'} &&
1117 ($d->{'bond_mode'} eq 'balance-xor' || $d->{'bond_mode'} eq '802.3ad')) {
1118 $raw .= "\tbond-xmit-hash-policy $d->{'bond_xmit_hash_policy'}\n";
1120 $done->{'bond_xmit_hash_policy'} = 1;
1122 } elsif ($d->{type} eq 'OVSBridge') {
1124 $raw .= "\tovs_type $d->{type}\n";
1125 $done->{ovs_type} = 1;
1127 $raw .= "\tovs_ports $d->{ovs_ports}\n" if $d->{ovs_ports};
1128 $done->{ovs_ports} = 1;
1129 } elsif ($d->{type} eq 'OVSPort' || $d->{type} eq 'OVSIntPort' ||
1130 $d->{type} eq 'OVSBond') {
1132 $d->{autostart} = 0; # started by the bridge
1134 if (defined($d->{ovs_tag})) {
1135 &$set_ovs_option($d, tag => $d->{ovs_tag});
1137 $done->{ovs_tag} = 1;
1139 if ($d->{type} eq 'OVSBond') {
1141 $d->{bond_mode} = 'active-backup' if !$d->{bond_mode};
1143 $ovs_bond_modes->{$d->{bond_mode}} ||
1144 die "OVS does not support bond mode '$d->{bond_mode}\n";
1146 if ($d->{bond_mode} eq 'lacp-balance-slb') {
1147 &$set_ovs_option($d, lacp => 'active');
1148 &$set_ovs_option($d, bond_mode => 'balance-slb');
1149 } elsif ($d->{bond_mode} eq 'lacp-balance-tcp') {
1150 &$set_ovs_option($d, lacp => 'active');
1151 &$set_ovs_option($d, bond_mode => 'balance-tcp');
1153 &$set_ovs_option($d, lacp => undef);
1154 &$set_ovs_option($d, bond_mode => $d->{bond_mode});
1156 $done->{bond_mode} = 1;
1158 $raw .= "\tovs_bonds $d->{ovs_bonds}\n" if $d->{ovs_bonds};
1159 $done->{ovs_bonds} = 1;
1162 $raw .= "\tovs_type $d->{type}\n";
1163 $done->{ovs_type} = 1;
1165 if ($d->{ovs_bridge}) {
1168 $raw = "auto $iface\n$raw";
1170 $raw = "allow-$d->{ovs_bridge} $iface\n$raw";
1173 $raw .= "\tovs_bridge $d->{ovs_bridge}\n";
1174 $done->{ovs_bridge} = 1;
1179 # print other settings
1180 foreach my $k (keys %$d) {
1181 next if $done->{$k};
1183 $raw .= "\t$k $d->{$k}\n";
1187 foreach my $option (@{$d->{"options$suffix"}}) {
1188 $raw .= "\t$option\n";
1192 my $comments = $d->{"comments$suffix"} || '';
1193 foreach my $cl (split(/\n/, $comments)) {
1203 sub write_etc_network_interfaces {
1204 my ($filename, $fh, $config) = @_;
1205 my $ifupdown2 = -e '/usr/share/ifupdown2';
1206 my $raw = __write_etc_network_interfaces($config, $ifupdown2);
1207 PVE::Tools::safe_print($filename, $fh, $raw);
1209 sub __write_etc_network_interfaces {
1210 my ($config, $ifupdown2) = @_;
1212 my $ifaces = $config->{ifaces};
1213 my @options = @{$config->{options}};
1215 my $used_ports = {};
1217 foreach my $iface (keys %$ifaces) {
1218 my $d = $ifaces->{$iface};
1221 foreach my $k (qw(bridge_ports ovs_ports slaves ovs_bonds)) {
1222 $ports .= " $d->{$k}" if $d->{$k};
1225 foreach my $p (PVE::Tools::split_list($ports)) {
1226 die "port '$p' is already used on interface '$used_ports->{$p}'\n"
1227 if $used_ports->{$p} && $used_ports->{$p} ne $iface;
1228 $used_ports->{$p} = $iface;
1232 # delete unused OVS ports
1233 foreach my $iface (keys %$ifaces) {
1234 my $d = $ifaces->{$iface};
1235 if ($d->{type} eq 'OVSPort' || $d->{type} eq 'OVSIntPort' ||
1236 $d->{type} eq 'OVSBond') {
1237 my $brname = $used_ports->{$iface};
1238 if (!$brname || !$ifaces->{$brname}) {
1239 if ($iface =~ /^$PVE::Network::PHYSICAL_NIC_RE/) {
1240 $ifaces->{$iface} = { type => 'eth',
1243 families => ['inet'] };
1245 delete $ifaces->{$iface};
1249 my $bd = $ifaces->{$brname};
1250 if ($bd->{type} ne 'OVSBridge') {
1251 delete $ifaces->{$iface};
1257 # create OVS bridge ports
1258 foreach my $iface (keys %$ifaces) {
1259 my $d = $ifaces->{$iface};
1260 if ($d->{type} eq 'OVSBridge' && $d->{ovs_ports}) {
1261 foreach my $p (split (/\s+/, $d->{ovs_ports})) {
1262 my $n = $ifaces->{$p};
1263 die "OVS bridge '$iface' - unable to find port '$p'\n"
1265 $n->{autostart} = 0;
1266 if ($n->{type} eq 'eth') {
1267 $n->{type} = 'OVSPort';
1268 $n->{ovs_bridge} = $iface;
1269 } elsif ($n->{type} eq 'OVSBond' || $n->{type} eq 'OVSPort' ||
1270 $n->{type} eq 'OVSIntPort') {
1271 $n->{ovs_bridge} = $iface;
1273 die "interface '$p' is not defined as OVS port/bond\n";
1279 # check OVS bond ports
1280 foreach my $iface (keys %$ifaces) {
1281 my $d = $ifaces->{$iface};
1282 if ($d->{type} eq 'OVSBond' && $d->{ovs_bonds}) {
1283 foreach my $p (split (/\s+/, $d->{ovs_bonds})) {
1284 my $n = $ifaces->{$p};
1285 die "OVS bond '$iface' - unable to find slave '$p'\n"
1287 die "OVS bond '$iface' - wrong interface type on slave '$p' " .
1288 "('$n->{type}' != 'eth')\n" if $n->{type} ne 'eth';
1293 my $raw = <<'NETWORKDOC';
1294 # network interface settings; autogenerated
1295 # Please do NOT modify this file directly, unless you know what
1298 # If you want to manage part of the network configuration manually,
1299 # please utilize the 'source' or 'source-directory' directives to do
1301 # PVE will preserve these directives, but will NOT its network
1302 # configuration from sourced files, so do not attempt to move any of
1303 # the PVE managed interfaces into external files!
1309 my $if_type_hash = {
1316 my $lookup_type_prio = sub {
1320 if ($iface =~ m/^(\S+)(\.|:)\d+$/) {
1326 if ($iface eq 'lo') {
1327 $pri = $if_type_hash->{loopback};
1328 } elsif ($iface =~ m/^$PVE::Network::PHYSICAL_NIC_RE$/) {
1329 $pri = $if_type_hash->{eth} + $child;
1330 } elsif ($iface =~ m/^bond\d+$/) {
1331 $pri = $if_type_hash->{bond} + $child;
1332 } elsif ($iface =~ m/^vmbr\d+$/) {
1333 $pri = $if_type_hash->{bridge} + $child;
1339 foreach my $iface (sort {
1340 my $ref1 = $ifaces->{$a};
1341 my $ref2 = $ifaces->{$b};
1342 my $tp1 = &$lookup_type_prio($a);
1343 my $tp2 = &$lookup_type_prio($b);
1345 # Only recognized types are in relation to each other. If one type
1346 # is unknown then only consider the interfaces' priority attributes.
1347 $tp1 = $tp2 = 0 if !defined($tp1) || !defined($tp2);
1349 my $p1 = $tp1 + ($ref1->{priority} // 50000);
1350 my $p2 = $tp2 + ($ref2->{priority} // 50000);
1352 return $p1 <=> $p2 if $p1 != $p2;
1356 next if $printed->{$iface};
1358 my $d = $ifaces->{$iface};
1359 my $pri = $d->{priority} // 0;
1360 if (@options && $options[0]->[0] < $pri) {
1362 $raw .= (shift @options)->[1] . "\n";
1363 } while (@options && $options[0]->[0] < $pri);
1367 $printed->{$iface} = 1;
1368 $raw .= "auto $iface\n" if $d->{autostart};
1369 my $i = 0; # some options should be printed only once
1370 $raw .= __interface_to_string($iface, $d, $_, !$i++, $ifupdown2) foreach @{$d->{families}};
1373 $raw .= $_->[1] . "\n" foreach @options;
1377 register_file('interfaces', "/etc/network/interfaces",
1378 \&read_etc_network_interfaces,
1379 \&write_etc_network_interfaces);
1382 sub read_iscsi_initiatorname {
1383 my ($filename, $fd) = @_;
1385 while (defined(my $line = <$fd>)) {
1386 if ($line =~ m/^InitiatorName=(\S+)$/) {
1394 register_file('initiatorname', "/etc/iscsi/initiatorname.iscsi",
1395 \&read_iscsi_initiatorname);
1398 my ($filename, $fd) = @_;
1402 my $raw = defined($fd) ? <$fd> : '';
1407 my @tokens = split(/\s+/, $raw);
1412 while (defined(my $tok = shift @tokens)) {
1414 $machine = shift @tokens if $tok eq 'machine';
1416 $data->{$machine} = {} if !$data->{$machine};
1418 $data->{$machine}->{login} = shift @tokens if $tok eq 'login';
1419 $data->{$machine}->{password} = shift @tokens if $tok eq 'password';
1425 my $format_apt_auth_data = sub {
1430 foreach my $machine (sort keys %$data) {
1431 my $d = $data->{$machine};
1432 $raw .= "machine $machine\n";
1433 $raw .= " login $d->{login}\n" if $d->{login};
1434 $raw .= " password $d->{password}\n" if $d->{password};
1441 sub write_apt_auth {
1442 my ($filename, $fh, $data) = @_;
1444 my $raw = &$format_apt_auth_data($data);
1446 die "write failed: $!" unless print $fh "$raw\n";
1451 sub update_apt_auth {
1452 my ($filename, $fh, $data) = @_;
1454 my $orig = read_apt_auth($filename, $fh);
1456 foreach my $machine (keys %$data) {
1457 $orig->{$machine} = $data->{$machine};
1460 return &$format_apt_auth_data($orig);
1463 register_file('apt-auth', "/etc/apt/auth.conf",
1464 \&read_apt_auth, \&write_apt_auth,
1465 \&update_apt_auth, perm => 0640);