3 # todo: maybe we do not need update_file() ?
13 use Fcntl qw(:DEFAULT :flock);
15 use PVE::Exception qw(raise_param_exc);
17 use Storable qw(dclone);
22 our @EXPORT_OK = qw(read_file write_file register_file);
31 '/etc/network/interfaces' => '/etc/network/interfaces.new',
34 # to enable cached operation, you need to call 'inotify_init'
35 # inotify handles are a limited resource, so use with care (only
36 # enable the cache if you really need it)
38 # Note: please close the inotify handle after you fork
40 sub ccache_default_writer {
41 my ($filename, $data) = @_;
43 die "undefined config writer for '$filename' :ERROR";
46 sub ccache_default_parser {
47 my ($filename, $srcfd) = @_;
49 die "undefined config reader for '$filename' :ERROR";
52 sub ccache_compute_diff {
53 my ($filename, $shadow) = @_;
57 open (TMP, "diff -b -N -u '$filename' '$shadow'|");
59 while (my $line = <TMP>) {
65 $diff = undef if !$diff;
73 foreach my $uid (keys %$ccacheregex) {
74 my $ccinfo = $ccacheregex->{$uid};
75 my $dir = $ccinfo->{dir};
76 my $regex = $ccinfo->{regex};
77 if ($filename =~ m|^$dir/+$regex$|) {
78 if (!$ccache->{$filename}) {
80 while (my ($k, $v) = each %$ccinfo) {
83 $ccache->{$filename} = $cp;
85 return ($ccache->{$filename}, $filename);
89 $filename = $ccachemap->{$filename} if defined ($ccachemap->{$filename});
91 die "file '$filename' not added :ERROR" if !defined ($ccache->{$filename});
93 return ($ccache->{$filename}, $filename);
97 my ($fileid, $data, $full) = @_;
99 my ($ccinfo, $filename) = ccache_info($fileid);
101 my $writer = $ccinfo->{writer};
103 my $realname = $filename;
106 if ($shadow = $shadowfiles->{$filename}) {
110 my $perm = $ccinfo->{perm} || 0644;
112 my $tmpname = "$realname.tmp.$$";
116 my $fh = IO::File->new($tmpname, O_WRONLY|O_CREAT, $perm);
117 die "unable to open file '$tmpname' - $!\n" if !$fh;
119 $res = &$writer($filename, $fh, $data);
121 die "closing file '$tmpname' failed - $!\n" unless close $fh;
125 $ccinfo->{version} = undef;
132 if (!rename($tmpname, $realname)) {
133 my $msg = "close (rename) atomic file '$filename' failed: $!\n";
139 if ($shadow && $full) {
140 $diff = ccache_compute_diff ($filename, $shadow);
144 return { data => $res, changes => $diff };
151 my ($fileid, $data, @args) = @_;
153 my ($ccinfo, $filename) = ccache_info($fileid);
155 my $update = $ccinfo->{update};
157 die "unable to update/merge data" if !$update;
159 my $lkfn = "$filename.lock";
167 $fd = IO::File->new ($filename, "r");
169 my $new = &$update($filename, $fd, $data, @args);
172 PVE::Tools::file_set_contents($filename, $new, $ccinfo->{perm});
178 PVE::Tools::lock_file($lkfn, $timeout, $code);
181 close($fd) if defined($fd);
188 sub discard_changes {
189 my ($fileid, $full) = @_;
191 my ($ccinfo, $filename) = ccache_info($fileid);
193 if (my $copy = $shadowfiles->{$filename}) {
197 return read_file ($filename, $full);
201 my ($fileid, $full) = @_;
205 my ($ccinfo, $filename) = ccache_info($fileid);
207 $parser = $ccinfo->{parser};
212 poll() if $inotify; # read new inotify events
214 $versions->{$filename} = 0 if !defined ($versions->{$filename});
216 my $cver = $versions->{$filename};
218 if (my $copy = $shadowfiles->{$filename}) {
219 if ($fd = IO::File->new ($copy, "r")) {
222 $fd = IO::File->new ($filename, "r");
225 $fd = IO::File->new ($filename, "r");
228 my $acp = $ccinfo->{always_call_parser};
231 $ccinfo->{version} = undef;
232 $ccinfo->{data} = undef;
233 $ccinfo->{diff} = undef;
234 return undef if !$acp;
237 my $noclone = $ccinfo->{noclone};
240 if (!$ccinfo->{nocache} &&
241 $inotify && $versions->{$filename} &&
242 defined ($ccinfo->{data}) &&
243 defined ($ccinfo->{version}) &&
244 ($ccinfo->{readonce} ||
245 ($ccinfo->{version} == $versions->{$filename}))) {
248 if (!$noclone && ref ($ccinfo->{data})) {
249 $ret->{data} = dclone ($ccinfo->{data});
251 $ret->{data} = $ccinfo->{data};
253 $ret->{changes} = $ccinfo->{diff};
255 return $full ? $ret : $ret->{data};
261 $diff = ccache_compute_diff ($filename, $shadow);
264 my $res = &$parser($filename, $fd);
266 if (!$ccinfo->{nocache}) {
267 $ccinfo->{version} = $cver;
270 # we cache data with references, so we always need to
271 # dclone this data. Else the original data may get
273 $ccinfo->{data} = $res;
276 $ccinfo->{diff} = $diff;
279 if (!$noclone && ref ($ccinfo->{data})) {
280 $ret->{data} = dclone ($ccinfo->{data});
282 $ret->{data} = $ccinfo->{data};
284 $ret->{changes} = $ccinfo->{diff};
286 return $full ? $ret : $ret->{data};
289 sub parse_ccache_options {
290 my ($ccinfo, %options) = @_;
292 foreach my $opt (keys %options) {
293 my $v = $options{$opt};
294 if ($opt eq 'readonce') {
295 $ccinfo->{$opt} = $v;
296 } elsif ($opt eq 'nocache') {
297 $ccinfo->{$opt} = $v;
298 } elsif ($opt eq 'shadow') {
299 $ccinfo->{$opt} = $v;
300 } elsif ($opt eq 'perm') {
301 $ccinfo->{$opt} = $v;
302 } elsif ($opt eq 'noclone') {
303 # noclone flag for large read-only data chunks like aplinfo
304 $ccinfo->{$opt} = $v;
305 } elsif ($opt eq 'always_call_parser') {
306 # when set, we call parser even when the file does not exists.
307 # this allows the parser to return some default
308 $ccinfo->{$opt} = $v;
310 die "internal error - unsupported option '$opt'";
316 my ($id, $filename, $parser, $writer, $update, %options) = @_;
318 die "can't register file '$filename' after inotify_init" if $inotify;
320 die "file '$filename' already added :ERROR" if defined ($ccache->{$filename});
321 die "ID '$id' already used :ERROR" if defined ($ccachemap->{$id});
326 $ccinfo->{parser} = $parser || \&ccache_default_parser;
327 $ccinfo->{writer} = $writer || \&ccache_default_writer;
328 $ccinfo->{update} = $update;
330 parse_ccache_options($ccinfo, %options);
332 if ($options{shadow}) {
333 $shadowfiles->{$filename} = $options{shadow};
336 $ccachemap->{$id} = $filename;
337 $ccache->{$filename} = $ccinfo;
341 my ($dir, $regex, $parser, $writer, $update, %options) = @_;
343 die "can't register regex after initify_init" if $inotify;
345 my $uid = "$dir/$regex";
346 die "regular expression '$uid' already added :ERROR" if defined ($ccacheregex->{$uid});
350 $ccinfo->{dir} = $dir;
351 $ccinfo->{regex} = $regex;
352 $ccinfo->{parser} = $parser || \&ccache_default_parser;
353 $ccinfo->{writer} = $writer || \&ccache_default_writer;
354 $ccinfo->{update} = $update;
356 parse_ccache_options($ccinfo, %options);
358 $ccacheregex->{$uid} = $ccinfo;
364 if ($inotify_pid != $$) {
365 syslog ('err', "got inotify poll request in wrong process - disabling inotify");
368 1 while $inotify && $inotify->poll;
373 foreach my $filename (keys %$ccache) {
374 $ccache->{$filename}->{version} = undef;
375 $ccache->{$filename}->{data} = undef;
376 $ccache->{$filename}->{diff} = undef;
386 die "only one inotify instance allowed" if $inotify;
388 $inotify = Linux::Inotify2->new()
389 || die "Unable to create new inotify object: $!";
391 $inotify->blocking (0);
396 foreach my $fn (keys %$ccache) {
397 my $dir = dirname ($fn);
398 my $base = basename ($fn);
400 $dirhash->{$dir}->{$base} = $fn;
402 if (my $sf = $shadowfiles->{$fn}) {
403 $base = basename ($sf);
404 $dir = dirname ($sf);
405 $dirhash->{$dir}->{$base} = $fn; # change version of original file!
409 foreach my $uid (keys %$ccacheregex) {
410 my $ccinfo = $ccacheregex->{$uid};
411 $dirhash->{$ccinfo->{dir}}->{_regex} = 1;
416 foreach my $dir (keys %$dirhash) {
418 my $evlist = IN_MODIFY|IN_ATTRIB|IN_MOVED_FROM|IN_MOVED_TO|IN_DELETE|IN_CREATE;
419 $inotify->watch ($dir, $evlist, sub {
423 if ($inotify_pid != $$) {
424 syslog ('err', "got inotify event in wrong process");
427 if ($e->IN_ISDIR || !$name) {
431 if ($e->IN_Q_OVERFLOW) {
432 syslog ('info', "got inotify overflow - flushing cache");
437 if ($e->IN_UNMOUNT) {
438 syslog ('err', "got 'unmount' event on '$name' - disabling inotify");
441 if ($e->IN_IGNORED) {
442 syslog ('err', "got 'ignored' event on '$name' - disabling inotify");
446 if ($dirhash->{$dir}->{_regex}) {
447 foreach my $uid (keys %$ccacheregex) {
448 my $ccinfo = $ccacheregex->{$uid};
449 next if $dir ne $ccinfo->{dir};
450 my $regex = $ccinfo->{regex};
451 if ($regex && ($name =~ m|^$regex$|)) {
453 my $fn = "$dir/$name";
455 #print "VERSION:$fn:$versions->{$fn}\n";
458 } elsif (my $fn = $dirhash->{$dir}->{$name}) {
461 #print "VERSION:$fn:$versions->{$fn}\n";
466 foreach my $dir (keys %$dirhash) {
467 foreach my $name (keys %{$dirhash->{$dir}}) {
468 if ($name eq '_regex') {
469 foreach my $uid (keys %$ccacheregex) {
470 my $ccinfo = $ccacheregex->{$uid};
471 next if $dir ne $ccinfo->{dir};
472 my $re = $ccinfo->{regex};
473 if (my $fd = IO::Dir->new ($dir)) {
474 while (defined(my $de = $fd->read)) {
475 if ($de =~ m/^$re$/) {
477 $versions->{$fn}++; # init with version
478 #print "init:$fn:$versions->{$fn}\n";
484 my $fn = $dirhash->{$dir}->{$name};
485 $versions->{$fn}++; # init with version
486 #print "init:$fn:$versions->{$fn}\n";
496 return $cached_nodename if $cached_nodename;
498 my ($sysname, $nodename) = POSIX::uname();
500 $nodename =~ s/\..*$//; # strip domain part, if any
502 die "unable to read node name\n" if !$nodename;
504 $cached_nodename = $nodename;
506 return $cached_nodename;
509 sub read_etc_hostname {
510 my ($filename, $fd) = @_;
512 my $hostname = <$fd>;
516 $hostname =~ s/\..*$//; # strip domain part, if any
521 sub write_etc_hostname {
522 my ($filename, $fh, $hostname) = @_;
524 die "write failed: $!" unless print $fh "$hostname\n";
529 register_file('hostname', "/etc/hostname",
531 \&write_etc_hostname);
533 sub read_etc_resolv_conf {
534 my ($filename, $fh) = @_;
539 while (my $line = <$fh>) {
541 if ($line =~ m/^(search|domain)\s+(\S+)\s*/) {
543 } elsif ($line =~ m/^\s*nameserver\s+($PVE::Tools::IPRE)\s*/) {
546 $res->{"dns$nscount"} = $1;
554 sub update_etc_resolv_conf {
555 my ($filename, $fh, $resolv, @args) = @_;
559 $data = "search $resolv->{search}\n"
560 if $resolv->{search};
563 foreach my $k ("dns1", "dns2", "dns3") {
564 my $ns = $resolv->{$k};
565 if ($ns && $ns ne '0.0.0.0' && !$written->{$ns}) {
567 $data .= "nameserver $ns\n";
571 while (my $line = <$fh>) {
572 next if $line =~ m/^(search|domain|nameserver)\s+/;
579 register_file('resolvconf', "/etc/resolv.conf",
580 \&read_etc_resolv_conf, undef,
581 \&update_etc_resolv_conf);
583 sub read_etc_timezone {
584 my ($filename, $fd) = @_;
586 my $timezone = <$fd>;
593 sub write_etc_timezone {
594 my ($filename, $fh, $timezone) = @_;
596 my $tzinfo = "/usr/share/zoneinfo/$timezone";
598 raise_param_exc({ 'timezone' => "No such timezone" })
601 ($timezone) = $timezone =~ m/^(.*)$/; # untaint
603 print $fh "$timezone\n";
605 unlink ("/etc/localtime");
606 symlink ("/usr/share/zoneinfo/$timezone", "/etc/localtime");
610 register_file('timezone', "/etc/timezone",
612 \&write_etc_timezone);
614 sub read_active_workers {
615 my ($filename, $fh) = @_;
620 while (defined (my $line = <$fh>)) {
621 if ($line =~ m/^(\S+)\s(0|1)(\s([0-9A-Za-z]{8})(\s(\s*\S.*))?)?$/) {
626 if ((my $task = PVE::Tools::upid_decode($upid, 1))) {
627 $task->{upid} = $upid;
628 $task->{saved} = $saved;
629 $task->{endtime} = hex($endtime) if $endtime;
630 $task->{status} = $status if $status;
634 warn "unable to parse line: $line";
642 sub write_active_workers {
643 my ($filename, $fh, $tasklist) = @_;
646 foreach my $task (@$tasklist) {
647 my $upid = $task->{upid};
648 my $saved = $task->{saved} ? 1 : 0;
649 if ($task->{endtime}) {
650 if ($task->{status}) {
651 $raw .= sprintf("%s %s %08X %s\n", $upid, $saved, $task->{endtime}, $task->{status});
653 $raw .= sprintf("%s %s %08X\n", $upid, $saved, $task->{endtime});
656 $raw .= "$upid $saved\n";
660 PVE::Tools::safe_print($filename, $fh, $raw) if $raw;
663 register_file('active', "/var/log/pve/tasks/active",
664 \&read_active_workers,
665 \&write_active_workers);
668 my $bond_modes = { 'balance-rr' => 0,
669 'active-backup' => 1,
677 my $ovs_bond_modes = {
678 'active-backup' => 1,
680 'lacp-balance-slb' => 1,
681 'lacp-balance-tcp' => 1,
684 #sub get_bond_modes {
685 # return $bond_modes;
688 my $parse_ovs_option = sub {
692 foreach my $kv (split (/\s+/, $data || '')) {
693 my ($k, $v) = split('=', $kv, 2);
694 $opts->{$k} = $v if $k && $v;
699 my $set_ovs_option = sub {
700 my ($d, %params) = @_;
702 my $opts = &$parse_ovs_option($d->{ovs_options});
704 foreach my $k (keys %params) {
714 foreach my $k (keys %$opts) {
715 push @$res, "$k=$opts->{$k}";
718 if (my $new = join(' ', @$res)) {
719 $d->{ovs_options} = $new;
720 return $d->{ovs_options};
722 delete $d->{ovs_options};
727 my $extract_ovs_option = sub {
730 my $opts = &$parse_ovs_option($d->{ovs_options});
732 my $v = delete $opts->{$name};
735 foreach my $k (keys %$opts) {
736 push @$res, "$k=$opts->{$k}";
739 if (my $new = join(' ', @$res)) {
740 $d->{ovs_options} = $new;
742 delete $d->{ovs_options};
751 # <optional> exists => BOOL,
752 # <optional> active => BOOL,
753 # <optional> autostart => BOOL,
754 # <auto> priority => INT,
756 # type => "eth" | "bridge" | "bond" | "loopback" | "OVS*" | ... ,
758 # families => ["inet", "inet6", ...],
760 # method => "manual" | "static" | "dhcp" | ... ,
765 # comments => [ "..." ],
767 # method6 => "manual" | "static" | "dhcp" | ... ,
769 # netmask6 => SUBNET,
771 # comments6 => [ "..." ],
773 # <known options>, # like bridge_ports, ovs_*
775 # # extra/unknown options stored by-family:
776 # options => { <inet options>... }
777 # options6 => { <inet6 options>... }
781 # # mappings end up here as well, as we don't need to understand them
785 sub read_etc_network_interfaces {
786 my ($filename, $fh) = @_;
787 my $proc_net_dev = IO::File->new('/proc/net/dev', 'r');
788 my $active = PVE::Network::get_active_interfaces();
789 return __read_etc_network_interfaces($fh, $proc_net_dev, $active);
792 sub __read_etc_network_interfaces {
793 my ($fh, $proc_net_dev, $active_ifaces) = @_;
796 my $ifaces = $config->{ifaces} = {};
797 my $options = $config->{options} = [];
802 while (defined ($line = <$proc_net_dev>)) {
803 if ($line =~ m/^\s*(eth\d+):.*/) {
804 $ifaces->{$1}->{exists} = 1;
807 close($proc_net_dev);
810 # we try to keep order inside the file
811 my $priority = 2; # 1 is reserved for lo
813 SECTION: while (defined ($line = <$fh>)) {
815 next if $line =~ m/^\s*#/;
817 if ($line =~ m/^\s*auto\s+(.*)$/) {
818 my @aa = split (/\s+/, $1);
820 foreach my $a (@aa) {
821 $ifaces->{$a}->{autostart} = 1;
824 } elsif ($line =~ m/^\s*iface\s+(\S+)\s+(inet6?)\s+(\S+)\s*$/) {
827 my $f = { method => $3 }; # by family, merged to $d with a $suffix
828 (my $suffix = $family) =~ s/^inet//;
830 my $d = $ifaces->{$i} ||= {};
831 $d->{priority} = $priority++ if !$d->{priority};
832 push @{$d->{families}}, $family;
834 while (defined ($line = <$fh>)) {
836 if ($line =~ m/^\s*#(.*?)\s*$/) {
837 # NOTE: we use 'comments' instead of 'comment' to
838 # avoid automatic utf8 conversion
839 $f->{comments} = '' if !$f->{comments};
840 $f->{comments} .= "$1\n";
841 } elsif ($line =~ m/^\s*(?:iface\s
849 } elsif ($line =~ m/^\s*((\S+)\s+(.+))$/) {
851 my ($id, $value) = ($2, $3);
852 if (($id eq 'address') || ($id eq 'netmask') || ($id eq 'broadcast') || ($id eq 'gateway')) {
854 } elsif ($id eq 'ovs_type' || $id eq 'ovs_options'|| $id eq 'ovs_bridge' ||
855 $id eq 'ovs_bonds' || $id eq 'ovs_ports') {
857 } elsif ($id eq 'slaves' || $id eq 'bridge_ports') {
859 foreach my $p (split (/\s+/, $value)) {
860 next if $p eq 'none';
863 my $str = join (' ', sort keys %{$devs});
865 $d->{$id} .= ' ' . $str if $str;
867 $d->{$id} = $str || '';
869 } elsif ($id eq 'bridge_stp') {
870 if ($value =~ m/^\s*(on|yes)\s*$/i) {
875 } elsif ($id eq 'bridge_fd') {
877 } elsif ($id eq 'bridge_vlan_aware') {
879 } elsif ($id eq 'bond_miimon') {
881 } elsif ($id eq 'bond_xmit_hash_policy') {
883 } elsif ($id eq 'bond_mode') {
885 foreach my $bm (keys %$bond_modes) {
886 my $id = $bond_modes->{$bm};
894 push @{$f->{options}}, $option;
900 $d->{"$_$suffix"} = $f->{$_} foreach (keys %$f);
901 last SECTION if !defined($line);
903 } elsif ($line =~ /\w/) {
904 push @$options, [$priority++, $line];
908 foreach my $ifname (@$active_ifaces) {
909 if (my $iface = $ifaces->{$ifname}) {
910 $iface->{active} = 1;
914 if (!$ifaces->{lo}) {
915 $ifaces->{lo}->{priority} = 1;
916 $ifaces->{lo}->{method} = 'loopback';
917 $ifaces->{lo}->{type} = 'loopback';
918 $ifaces->{lo}->{autostart} = 1;
921 foreach my $iface (keys %$ifaces) {
922 my $d = $ifaces->{$iface};
923 if ($iface =~ m/^bond\d+$/) {
924 if (!$d->{ovs_type}) {
926 } elsif ($d->{ovs_type} eq 'OVSBond') {
927 $d->{type} = $d->{ovs_type};
928 # translate: ovs_options => bond_mode
929 $d->{'bond_mode'} = &$extract_ovs_option($d, 'bond_mode');
930 my $lacp = &$extract_ovs_option($d, 'lacp');
931 if ($lacp && $lacp eq 'active') {
932 if ($d->{'bond_mode'} eq 'balance-slb') {
933 $d->{'bond_mode'} = 'lacp-balance-slb';
936 # Note: balance-tcp needs lacp
937 if ($d->{'bond_mode'} eq 'balance-tcp') {
938 $d->{'bond_mode'} = 'lacp-balance-tcp';
940 my $tag = &$extract_ovs_option($d, 'tag');
941 $d->{ovs_tag} = $tag if defined($tag);
943 $d->{type} = 'unknown';
945 } elsif ($iface =~ m/^vmbr\d+$/) {
946 if (!$d->{ovs_type}) {
947 $d->{type} = 'bridge';
949 if (!defined ($d->{bridge_fd})) {
952 if (!defined ($d->{bridge_stp})) {
953 $d->{bridge_stp} = 'off';
955 } elsif ($d->{ovs_type} eq 'OVSBridge') {
956 $d->{type} = $d->{ovs_type};
958 $d->{type} = 'unknown';
960 } elsif ($iface =~ m/^(\S+):\d+$/) {
961 $d->{type} = 'alias';
962 if (defined ($ifaces->{$1})) {
963 $d->{exists} = $ifaces->{$1}->{exists};
965 $ifaces->{$1}->{exists} = 0;
968 } elsif ($iface =~ m/^(\S+)\.\d+$/) {
970 if (defined ($ifaces->{$1})) {
971 $d->{exists} = $ifaces->{$1}->{exists};
973 $ifaces->{$1}->{exists} = 0;
976 } elsif ($iface =~ m/^eth\d+$/) {
977 if (!$d->{ovs_type}) {
979 } elsif ($d->{ovs_type} eq 'OVSPort') {
980 $d->{type} = $d->{ovs_type};
981 my $tag = &$extract_ovs_option($d, 'tag');
982 $d->{ovs_tag} = $tag if defined($tag);
984 $d->{type} = 'unknown';
986 } elsif ($iface =~ m/^lo$/) {
987 $d->{type} = 'loopback';
989 if (!$d->{ovs_type}) {
990 $d->{type} = 'unknown';
991 } elsif ($d->{ovs_type} eq 'OVSIntPort') {
992 $d->{type} = $d->{ovs_type};
993 my $tag = &$extract_ovs_option($d, 'tag');
994 $d->{ovs_tag} = $tag if defined($tag);
998 $d->{method} = 'manual' if !$d->{method};
999 $d->{method6} = 'manual' if !$d->{method6};
1001 $d->{families} ||= ['inet'];
1004 # OVS bridges create "allow-$BRIDGE $IFACE" lines which we need to remove
1005 # from the {options} hash for them to be removed correctly.
1006 @$options = grep {defined($_)} map {
1007 my ($pri, $line) = @$_;
1008 if ($line =~ /^allow-(\S+)\s+(.*)$/) {
1010 my @ports = split(/\s+/, $2);
1011 if (defined(my $br = $ifaces->{$bridge})) {
1012 # if this port is part of a bridge, remove it
1013 my %in_ovs_ports = map {$_=>1} split(/\s+/, $br->{ovs_ports});
1014 @ports = grep { not $in_ovs_ports{$_} } @ports;
1016 # create the allow line for the remaining ports, or delete if empty
1018 [$pri, "allow-$bridge " . join(' ', @ports)];
1023 # don't modify other lines
1031 sub __interface_to_string {
1032 my ($iface, $d, $family, $first_block) = @_;
1034 (my $suffix = $family) =~ s/^inet//;
1036 return '' if !($d && $d->{"method$suffix"});
1040 $raw .= "iface $iface $family " . $d->{"method$suffix"} . "\n";
1041 $raw .= "\taddress " . $d->{"address$suffix"} . "\n" if $d->{"address$suffix"};
1042 $raw .= "\tnetmask " . $d->{"netmask$suffix"} . "\n" if $d->{"netmask$suffix"};
1043 $raw .= "\tgateway " . $d->{"gateway$suffix"} . "\n" if $d->{"gateway$suffix"};
1044 $raw .= "\tbroadcast " . $d->{"broadcast$suffix"} . "\n" if $d->{"broadcast$suffix"};
1046 my $done = { type => 1, priority => 1, method => 1, active => 1, exists => 1,
1047 comments => 1, autostart => 1, options => 1,
1048 address => 1, netmask => 1, gateway => 1, broadcast => 1,
1049 method6 => 1, families => 1, options6 => 1,
1050 address6 => 1, netmask6 => 1, gateway6 => 1, broadcast6 => 1 };
1052 if (!$first_block) {
1053 # not printing out options
1054 } elsif ($d->{type} eq 'bridge') {
1056 my $ports = $d->{bridge_ports} || 'none';
1057 $raw .= "\tbridge_ports $ports\n";
1058 $done->{bridge_ports} = 1;
1060 my $v = defined($d->{bridge_stp}) ? $d->{bridge_stp} : 'off';
1061 $raw .= "\tbridge_stp $v\n";
1062 $done->{bridge_stp} = 1;
1064 $v = defined($d->{bridge_fd}) ? $d->{bridge_fd} : 0;
1065 $raw .= "\tbridge_fd $v\n";
1066 $done->{bridge_fd} = 1;
1068 if( defined($d->{bridge_vlan_aware})) {
1069 $raw .= "\tbridge_vlan_aware yes\n";
1071 $done->{bridge_vlan_aware} = 1;
1073 } elsif ($d->{type} eq 'bond') {
1075 my $slaves = $d->{slaves} || 'none';
1076 $raw .= "\tslaves $slaves\n";
1077 $done->{slaves} = 1;
1079 my $v = defined ($d->{'bond_miimon'}) ? $d->{'bond_miimon'} : 100;
1080 $raw .= "\tbond_miimon $v\n";
1081 $done->{'bond_miimon'} = 1;
1083 $v = defined ($d->{'bond_mode'}) ? $d->{'bond_mode'} : 'balance-rr';
1084 $raw .= "\tbond_mode $v\n";
1085 $done->{'bond_mode'} = 1;
1087 if ($d->{'bond_mode'} && $d->{'bond_xmit_hash_policy'} &&
1088 ($d->{'bond_mode'} eq 'balance-xor' || $d->{'bond_mode'} eq '802.3ad')) {
1089 $raw .= "\tbond_xmit_hash_policy $d->{'bond_xmit_hash_policy'}\n";
1091 $done->{'bond_xmit_hash_policy'} = 1;
1093 } elsif ($d->{type} eq 'OVSBridge') {
1095 $raw .= "\tovs_type $d->{type}\n";
1096 $done->{ovs_type} = 1;
1098 $raw .= "\tovs_ports $d->{ovs_ports}\n" if $d->{ovs_ports};
1099 $done->{ovs_ports} = 1;
1100 } elsif ($d->{type} eq 'OVSPort' || $d->{type} eq 'OVSIntPort' ||
1101 $d->{type} eq 'OVSBond') {
1103 $d->{autostart} = 0; # started by the bridge
1105 if (defined($d->{ovs_tag})) {
1106 &$set_ovs_option($d, tag => $d->{ovs_tag});
1108 $done->{ovs_tag} = 1;
1110 if ($d->{type} eq 'OVSBond') {
1112 $d->{bond_mode} = 'active-backup' if !$d->{bond_mode};
1114 $ovs_bond_modes->{$d->{bond_mode}} ||
1115 die "OVS does not support bond mode '$d->{bond_mode}\n";
1117 if ($d->{bond_mode} eq 'lacp-balance-slb') {
1118 &$set_ovs_option($d, lacp => 'active');
1119 &$set_ovs_option($d, bond_mode => 'balance-slb');
1120 } elsif ($d->{bond_mode} eq 'lacp-balance-tcp') {
1121 &$set_ovs_option($d, lacp => 'active');
1122 &$set_ovs_option($d, bond_mode => 'balance-tcp');
1124 &$set_ovs_option($d, lacp => undef);
1125 &$set_ovs_option($d, bond_mode => $d->{bond_mode});
1127 $done->{bond_mode} = 1;
1129 $raw .= "\tovs_bonds $d->{ovs_bonds}\n" if $d->{ovs_bonds};
1130 $done->{ovs_bonds} = 1;
1133 $raw .= "\tovs_type $d->{type}\n";
1134 $done->{ovs_type} = 1;
1136 if ($d->{ovs_bridge}) {
1137 $raw = "allow-$d->{ovs_bridge} $iface\n$raw";
1138 $raw .= "\tovs_bridge $d->{ovs_bridge}\n";
1139 $done->{ovs_bridge} = 1;
1144 # print other settings
1145 foreach my $k (keys %$d) {
1146 next if $done->{$k};
1148 $raw .= "\t$k $d->{$k}\n";
1152 foreach my $option (@{$d->{"options$suffix"}}) {
1153 $raw .= "\t$option\n";
1157 my $comments = $d->{"comments$suffix"} || '';
1158 foreach my $cl (split(/\n/, $comments)) {
1168 sub write_etc_network_interfaces {
1169 my ($filename, $fh, $config) = @_;
1170 my $raw = __write_etc_network_interfaces($config);
1171 PVE::Tools::safe_print($filename, $fh, $raw);
1173 sub __write_etc_network_interfaces {
1176 my $ifaces = $config->{ifaces};
1177 my @options = @{$config->{options}};
1179 my $used_ports = {};
1181 foreach my $iface (keys %$ifaces) {
1182 my $d = $ifaces->{$iface};
1185 foreach my $k (qw(bridge_ports ovs_ports slaves ovs_bonds)) {
1186 $ports .= " $d->{$k}" if $d->{$k};
1189 foreach my $p (PVE::Tools::split_list($ports)) {
1190 die "port '$p' is already used on interface '$used_ports->{$p}'\n"
1191 if $used_ports->{$p} && $used_ports->{$p} ne $iface;
1192 $used_ports->{$p} = $iface;
1196 # delete unused OVS ports
1197 foreach my $iface (keys %$ifaces) {
1198 my $d = $ifaces->{$iface};
1199 if ($d->{type} eq 'OVSPort' || $d->{type} eq 'OVSIntPort' ||
1200 $d->{type} eq 'OVSBond') {
1201 my $brname = $used_ports->{$iface};
1202 if (!$brname || !$ifaces->{$brname}) {
1203 if ($iface =~ /^eth/) {
1204 $ifaces->{$iface} = { type => 'eth',
1207 families => ['inet'] };
1209 delete $ifaces->{$iface};
1213 my $bd = $ifaces->{$brname};
1214 if ($bd->{type} ne 'OVSBridge') {
1215 delete $ifaces->{$iface};
1221 # create OVS bridge ports
1222 foreach my $iface (keys %$ifaces) {
1223 my $d = $ifaces->{$iface};
1224 if ($d->{type} eq 'OVSBridge' && $d->{ovs_ports}) {
1225 foreach my $p (split (/\s+/, $d->{ovs_ports})) {
1226 my $n = $ifaces->{$p};
1227 die "OVS bridge '$iface' - unable to find port '$p'\n"
1229 $n->{autostart} = 0;
1230 if ($n->{type} eq 'eth') {
1231 $n->{type} = 'OVSPort';
1232 $n->{ovs_bridge} = $iface;
1233 } elsif ($n->{type} eq 'OVSBond' || $n->{type} eq 'OVSPort' ||
1234 $n->{type} eq 'OVSIntPort') {
1235 $n->{ovs_bridge} = $iface;
1237 die "interface '$p' is not defined as OVS port/bond\n";
1243 # check OVS bond ports
1244 foreach my $iface (keys %$ifaces) {
1245 my $d = $ifaces->{$iface};
1246 if ($d->{type} eq 'OVSBond' && $d->{ovs_bonds}) {
1247 foreach my $p (split (/\s+/, $d->{ovs_bonds})) {
1248 my $n = $ifaces->{$p};
1249 die "OVS bond '$iface' - unable to find slave '$p'\n"
1251 die "OVS bond '$iface' - wrong interface type on slave '$p' " .
1252 "('$n->{type}' != 'eth')\n" if $n->{type} ne 'eth';
1257 my $raw = <<'NETWORKDOC';
1258 # network interface settings; autogenerated
1259 # Please do NOT modify this file directly, unless you know what
1262 # If you want to manage part of the network configuration manually,
1263 # please utilize the 'source' or 'source-directory' directives to do
1265 # PVE will preserve these directives, but will NOT its network
1266 # configuration from sourced files, so do not attempt to move any of
1267 # the PVE managed interfaces into external files!
1273 my $if_type_hash = {
1280 my $lookup_type_prio = sub {
1284 if ($iface =~ m/^(\S+)(\.|:)\d+$/) {
1290 if ($iface eq 'lo') {
1291 $pri = $if_type_hash->{loopback};
1292 } elsif ($iface =~ m/^eth\d+$/) {
1293 $pri = $if_type_hash->{eth} + $child;
1294 } elsif ($iface =~ m/^bond\d+$/) {
1295 $pri = $if_type_hash->{bond} + $child;
1296 } elsif ($iface =~ m/^vmbr\d+$/) {
1297 $pri = $if_type_hash->{bridge} + $child;
1303 foreach my $iface (sort {
1304 my $ref1 = $ifaces->{$a};
1305 my $ref2 = $ifaces->{$b};
1306 my $tp1 = &$lookup_type_prio($a);
1307 my $tp2 = &$lookup_type_prio($b);
1309 # Only recognized types are in relation to each other. If one type
1310 # is unknown then only consider the interfaces' priority attributes.
1311 $tp1 = $tp2 = 0 if !defined($tp1) || !defined($tp2);
1313 my $p1 = $tp1 + ($ref1->{priority} // 50000);
1314 my $p2 = $tp2 + ($ref2->{priority} // 50000);
1316 return $p1 <=> $p2 if $p1 != $p2;
1320 next if $printed->{$iface};
1322 my $d = $ifaces->{$iface};
1323 my $pri = $d->{priority} // 0;
1324 if (@options && $options[0]->[0] < $pri) {
1326 $raw .= (shift @options)->[1] . "\n";
1327 } while (@options && $options[0]->[0] < $pri);
1331 $printed->{$iface} = 1;
1332 $raw .= "auto $iface\n" if $d->{autostart};
1333 my $i = 0; # some options should be printed only once
1334 $raw .= __interface_to_string($iface, $d, $_, !$i++) foreach @{$d->{families}};
1337 $raw .= $_->[1] . "\n" foreach @options;
1341 register_file('interfaces', "/etc/network/interfaces",
1342 \&read_etc_network_interfaces,
1343 \&write_etc_network_interfaces);
1346 sub read_iscsi_initiatorname {
1347 my ($filename, $fd) = @_;
1349 while (defined(my $line = <$fd>)) {
1350 if ($line =~ m/^InitiatorName=(\S+)$/) {
1358 register_file('initiatorname', "/etc/iscsi/initiatorname.iscsi",
1359 \&read_iscsi_initiatorname);
1362 my ($filename, $fd) = @_;
1366 my $raw = defined($fd) ? <$fd> : '';
1371 my @tokens = split(/\s+/, $raw);
1376 while (defined(my $tok = shift @tokens)) {
1378 $machine = shift @tokens if $tok eq 'machine';
1380 $data->{$machine} = {} if !$data->{$machine};
1382 $data->{$machine}->{login} = shift @tokens if $tok eq 'login';
1383 $data->{$machine}->{password} = shift @tokens if $tok eq 'password';
1389 my $format_apt_auth_data = sub {
1394 foreach my $machine (sort keys %$data) {
1395 my $d = $data->{$machine};
1396 $raw .= "machine $machine\n";
1397 $raw .= " login $d->{login}\n" if $d->{login};
1398 $raw .= " password $d->{password}\n" if $d->{password};
1405 sub write_apt_auth {
1406 my ($filename, $fh, $data) = @_;
1408 my $raw = &$format_apt_auth_data($data);
1410 die "write failed: $!" unless print $fh "$raw\n";
1415 sub update_apt_auth {
1416 my ($filename, $fh, $data) = @_;
1418 my $orig = read_apt_auth($filename, $fh);
1420 foreach my $machine (keys %$data) {
1421 $orig->{$machine} = $data->{$machine};
1424 return &$format_apt_auth_data($orig);
1427 register_file('apt-auth', "/etc/apt/auth.conf",
1428 \&read_apt_auth, \&write_apt_auth,
1429 \&update_apt_auth, perm => 0640);