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1package PVE::INotify;
2
3# todo: maybe we do not need update_file() ?
4
5use strict;
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6use warnings;
7
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8use POSIX;
9use IO::File;
10use IO::Dir;
11use File::stat;
12use File::Basename;
13use Fcntl qw(:DEFAULT :flock);
14use PVE::SafeSyslog;
15use PVE::Exception qw(raise_param_exc);
3dabe28a 16use PVE::Network;
e143e9d8 17use PVE::Tools;
f0d1b04f 18use PVE::ProcFSTools;
2896245e 19use PVE::JSONSchema;
32ef45ae 20use Clone qw(clone);
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21use Linux::Inotify2;
22use base 'Exporter';
69758574 23use JSON;
9194ee06 24use Digest::SHA;
69758574 25use Encode qw(encode decode);
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26
27our @EXPORT_OK = qw(read_file write_file register_file);
28
29my $ccache;
30my $ccachemap;
31my $ccacheregex;
32my $inotify;
33my $inotify_pid = 0;
34my $versions;
35my $shadowfiles = {
36 '/etc/network/interfaces' => '/etc/network/interfaces.new',
37};
38
39# to enable cached operation, you need to call 'inotify_init'
40# inotify handles are a limited resource, so use with care (only
41# enable the cache if you really need it)
42
43# Note: please close the inotify handle after you fork
44
45sub ccache_default_writer {
46 my ($filename, $data) = @_;
47
48 die "undefined config writer for '$filename' :ERROR";
49}
50
51sub ccache_default_parser {
52 my ($filename, $srcfd) = @_;
53
54 die "undefined config reader for '$filename' :ERROR";
55}
56
57sub ccache_compute_diff {
58 my ($filename, $shadow) = @_;
59
60 my $diff = '';
61
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62 my $cmd = ['/usr/bin/diff', '-b', '-N', '-u', $filename, $shadow];
63 PVE::Tools::run_command($cmd, noerr => 1, outfunc => sub {
64 my ($line) = @_;
65 $diff .= decode('UTF-8', $line) . "\n";
66 });
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67
68 $diff = undef if !$diff;
69
70 return $diff;
71}
72
73sub ccache_info {
74 my ($filename) = @_;
75
76 foreach my $uid (keys %$ccacheregex) {
77 my $ccinfo = $ccacheregex->{$uid};
78 my $dir = $ccinfo->{dir};
79 my $regex = $ccinfo->{regex};
80 if ($filename =~ m|^$dir/+$regex$|) {
81 if (!$ccache->{$filename}) {
82 my $cp = {};
83 while (my ($k, $v) = each %$ccinfo) {
84 $cp->{$k} = $v;
85 }
86 $ccache->{$filename} = $cp;
87 }
88 return ($ccache->{$filename}, $filename);
89 }
90 }
91
92 $filename = $ccachemap->{$filename} if defined ($ccachemap->{$filename});
93
94 die "file '$filename' not added :ERROR" if !defined ($ccache->{$filename});
95
96 return ($ccache->{$filename}, $filename);
97}
98
99sub write_file {
100 my ($fileid, $data, $full) = @_;
101
102 my ($ccinfo, $filename) = ccache_info($fileid);
103
104 my $writer = $ccinfo->{writer};
105
106 my $realname = $filename;
107
108 my $shadow;
109 if ($shadow = $shadowfiles->{$filename}) {
110 $realname = $shadow;
111 }
112
113 my $perm = $ccinfo->{perm} || 0644;
114
115 my $tmpname = "$realname.tmp.$$";
116
117 my $res;
118 eval {
119 my $fh = IO::File->new($tmpname, O_WRONLY|O_CREAT, $perm);
120 die "unable to open file '$tmpname' - $!\n" if !$fh;
121
122 $res = &$writer($filename, $fh, $data);
123
124 die "closing file '$tmpname' failed - $!\n" unless close $fh;
125 };
126 my $err = $@;
127
128 $ccinfo->{version} = undef;
129
130 if ($err) {
131 unlink $tmpname;
132 die $err;
133 }
134
135 if (!rename($tmpname, $realname)) {
136 my $msg = "close (rename) atomic file '$filename' failed: $!\n";
137 unlink $tmpname;
138 die $msg;
139 }
140
141 my $diff;
142 if ($shadow && $full) {
143 $diff = ccache_compute_diff ($filename, $shadow);
144 }
145
146 if ($full) {
147 return { data => $res, changes => $diff };
148 }
149
150 return $res;
151}
152
153sub update_file {
154 my ($fileid, $data, @args) = @_;
155
156 my ($ccinfo, $filename) = ccache_info($fileid);
157
158 my $update = $ccinfo->{update};
159
160 die "unable to update/merge data" if !$update;
161
162 my $lkfn = "$filename.lock";
163
164 my $timeout = 10;
165
166 my $fd;
167
168 my $code = sub {
169
170 $fd = IO::File->new ($filename, "r");
171
172 my $new = &$update($filename, $fd, $data, @args);
173
174 if (defined($new)) {
175 PVE::Tools::file_set_contents($filename, $new, $ccinfo->{perm});
176 } else {
177 unlink $filename;
178 }
179 };
180
181 PVE::Tools::lock_file($lkfn, $timeout, $code);
182 my $err = $@;
183
184 close($fd) if defined($fd);
185
186 die $err if $err;
187
188 return undef;
189}
190
191sub discard_changes {
192 my ($fileid, $full) = @_;
193
194 my ($ccinfo, $filename) = ccache_info($fileid);
195
196 if (my $copy = $shadowfiles->{$filename}) {
197 unlink $copy;
198 }
199
200 return read_file ($filename, $full);
201}
202
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203sub poll_changes {
204 my ($filename) = @_;
205
206 poll() if $inotify; # read new inotify events
207
208 $versions->{$filename} = 0 if !defined ($versions->{$filename});
209
210 return $versions->{$filename};
211}
212
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213sub read_file {
214 my ($fileid, $full) = @_;
215
216 my $parser;
217
218 my ($ccinfo, $filename) = ccache_info($fileid);
219
220 $parser = $ccinfo->{parser};
221
222 my $fd;
223 my $shadow;
224
3b671d82 225 my $cver = poll_changes($filename);
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226
227 if (my $copy = $shadowfiles->{$filename}) {
228 if ($fd = IO::File->new ($copy, "r")) {
229 $shadow = $copy;
230 } else {
231 $fd = IO::File->new ($filename, "r");
232 }
233 } else {
234 $fd = IO::File->new ($filename, "r");
235 }
236
237 my $acp = $ccinfo->{always_call_parser};
238
239 if (!$fd) {
240 $ccinfo->{version} = undef;
241 $ccinfo->{data} = undef;
242 $ccinfo->{diff} = undef;
243 return undef if !$acp;
244 }
245
246 my $noclone = $ccinfo->{noclone};
247
248 # file unchanged?
249 if (!$ccinfo->{nocache} &&
04cba6c8 250 $inotify && $cver &&
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251 defined ($ccinfo->{data}) &&
252 defined ($ccinfo->{version}) &&
253 ($ccinfo->{readonce} ||
04cba6c8 254 ($ccinfo->{version} == $cver))) {
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255
256 my $ret;
257 if (!$noclone && ref ($ccinfo->{data})) {
32ef45ae 258 $ret->{data} = clone ($ccinfo->{data});
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259 } else {
260 $ret->{data} = $ccinfo->{data};
261 }
262 $ret->{changes} = $ccinfo->{diff};
263
264 return $full ? $ret : $ret->{data};
265 }
266
267 my $diff;
268
269 if ($shadow) {
270 $diff = ccache_compute_diff ($filename, $shadow);
271 }
272
273 my $res = &$parser($filename, $fd);
274
275 if (!$ccinfo->{nocache}) {
276 $ccinfo->{version} = $cver;
277 }
278
279 # we cache data with references, so we always need to
32ef45ae 280 # clone this data. Else the original data may get
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281 # modified.
282 $ccinfo->{data} = $res;
283
284 # also store diff
285 $ccinfo->{diff} = $diff;
286
287 my $ret;
288 if (!$noclone && ref ($ccinfo->{data})) {
32ef45ae 289 $ret->{data} = clone ($ccinfo->{data});
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290 } else {
291 $ret->{data} = $ccinfo->{data};
292 }
293 $ret->{changes} = $ccinfo->{diff};
294
295 return $full ? $ret : $ret->{data};
296}
297
298sub parse_ccache_options {
299 my ($ccinfo, %options) = @_;
300
301 foreach my $opt (keys %options) {
302 my $v = $options{$opt};
303 if ($opt eq 'readonce') {
304 $ccinfo->{$opt} = $v;
305 } elsif ($opt eq 'nocache') {
306 $ccinfo->{$opt} = $v;
307 } elsif ($opt eq 'shadow') {
308 $ccinfo->{$opt} = $v;
309 } elsif ($opt eq 'perm') {
310 $ccinfo->{$opt} = $v;
311 } elsif ($opt eq 'noclone') {
312 # noclone flag for large read-only data chunks like aplinfo
313 $ccinfo->{$opt} = $v;
314 } elsif ($opt eq 'always_call_parser') {
315 # when set, we call parser even when the file does not exists.
316 # this allows the parser to return some default
317 $ccinfo->{$opt} = $v;
318 } else {
319 die "internal error - unsupported option '$opt'";
320 }
321 }
322}
323
324sub register_file {
325 my ($id, $filename, $parser, $writer, $update, %options) = @_;
326
26a8d824 327 die "can't register file '$filename' after inotify_init" if $inotify;
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328
329 die "file '$filename' already added :ERROR" if defined ($ccache->{$filename});
330 die "ID '$id' already used :ERROR" if defined ($ccachemap->{$id});
331
332 my $ccinfo = {};
333
334 $ccinfo->{id} = $id;
335 $ccinfo->{parser} = $parser || \&ccache_default_parser;
336 $ccinfo->{writer} = $writer || \&ccache_default_writer;
337 $ccinfo->{update} = $update;
338
339 parse_ccache_options($ccinfo, %options);
340
341 if ($options{shadow}) {
342 $shadowfiles->{$filename} = $options{shadow};
343 }
344
345 $ccachemap->{$id} = $filename;
346 $ccache->{$filename} = $ccinfo;
347}
348
349sub register_regex {
350 my ($dir, $regex, $parser, $writer, $update, %options) = @_;
351
b8246bfc 352 die "can't register regex after inotify_init" if $inotify;
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353
354 my $uid = "$dir/$regex";
355 die "regular expression '$uid' already added :ERROR" if defined ($ccacheregex->{$uid});
356
357 my $ccinfo = {};
358
359 $ccinfo->{dir} = $dir;
360 $ccinfo->{regex} = $regex;
361 $ccinfo->{parser} = $parser || \&ccache_default_parser;
362 $ccinfo->{writer} = $writer || \&ccache_default_writer;
363 $ccinfo->{update} = $update;
364
365 parse_ccache_options($ccinfo, %options);
366
367 $ccacheregex->{$uid} = $ccinfo;
368}
369
370sub poll {
371 return if !$inotify;
372
373 if ($inotify_pid != $$) {
374 syslog ('err', "got inotify poll request in wrong process - disabling inotify");
375 $inotify = undef;
376 } else {
377 1 while $inotify && $inotify->poll;
378 }
379}
380
381sub flushcache {
382 foreach my $filename (keys %$ccache) {
383 $ccache->{$filename}->{version} = undef;
384 $ccache->{$filename}->{data} = undef;
385 $ccache->{$filename}->{diff} = undef;
386 }
387}
388
389sub inotify_close {
390 $inotify = undef;
391}
392
393sub inotify_init {
394
395 die "only one inotify instance allowed" if $inotify;
396
397 $inotify = Linux::Inotify2->new()
398 || die "Unable to create new inotify object: $!";
399
400 $inotify->blocking (0);
401
402 $versions = {};
403
404 my $dirhash = {};
405 foreach my $fn (keys %$ccache) {
406 my $dir = dirname ($fn);
407 my $base = basename ($fn);
408
409 $dirhash->{$dir}->{$base} = $fn;
410
411 if (my $sf = $shadowfiles->{$fn}) {
412 $base = basename ($sf);
413 $dir = dirname ($sf);
414 $dirhash->{$dir}->{$base} = $fn; # change version of original file!
415 }
416 }
417
418 foreach my $uid (keys %$ccacheregex) {
419 my $ccinfo = $ccacheregex->{$uid};
420 $dirhash->{$ccinfo->{dir}}->{_regex} = 1;
421 }
422
423 $inotify_pid = $$;
424
425 foreach my $dir (keys %$dirhash) {
426
427 my $evlist = IN_MODIFY|IN_ATTRIB|IN_MOVED_FROM|IN_MOVED_TO|IN_DELETE|IN_CREATE;
428 $inotify->watch ($dir, $evlist, sub {
429 my $e = shift;
430 my $name = $e->name;
431
432 if ($inotify_pid != $$) {
433 syslog ('err', "got inotify event in wrong process");
434 }
435
436 if ($e->IN_ISDIR || !$name) {
437 return;
438 }
439
440 if ($e->IN_Q_OVERFLOW) {
441 syslog ('info', "got inotify overflow - flushing cache");
442 flushcache();
443 return;
444 }
445
446 if ($e->IN_UNMOUNT) {
447 syslog ('err', "got 'unmount' event on '$name' - disabling inotify");
448 $inotify = undef;
449 }
450 if ($e->IN_IGNORED) {
451 syslog ('err', "got 'ignored' event on '$name' - disabling inotify");
452 $inotify = undef;
453 }
454
455 if ($dirhash->{$dir}->{_regex}) {
456 foreach my $uid (keys %$ccacheregex) {
457 my $ccinfo = $ccacheregex->{$uid};
458 next if $dir ne $ccinfo->{dir};
459 my $regex = $ccinfo->{regex};
460 if ($regex && ($name =~ m|^$regex$|)) {
461
462 my $fn = "$dir/$name";
463 $versions->{$fn}++;
464 #print "VERSION:$fn:$versions->{$fn}\n";
465 }
466 }
467 } elsif (my $fn = $dirhash->{$dir}->{$name}) {
468
469 $versions->{$fn}++;
470 #print "VERSION:$fn:$versions->{$fn}\n";
471 }
472 });
473 }
474
475 foreach my $dir (keys %$dirhash) {
476 foreach my $name (keys %{$dirhash->{$dir}}) {
477 if ($name eq '_regex') {
478 foreach my $uid (keys %$ccacheregex) {
479 my $ccinfo = $ccacheregex->{$uid};
480 next if $dir ne $ccinfo->{dir};
481 my $re = $ccinfo->{regex};
482 if (my $fd = IO::Dir->new ($dir)) {
483 while (defined(my $de = $fd->read)) {
484 if ($de =~ m/^$re$/) {
485 my $fn = "$dir/$de";
486 $versions->{$fn}++; # init with version
487 #print "init:$fn:$versions->{$fn}\n";
488 }
489 }
490 }
491 }
492 } else {
493 my $fn = $dirhash->{$dir}->{$name};
494 $versions->{$fn}++; # init with version
495 #print "init:$fn:$versions->{$fn}\n";
496 }
497 }
498 }
499}
500
501my $cached_nodename;
502
503sub nodename {
504
505 return $cached_nodename if $cached_nodename;
506
507 my ($sysname, $nodename) = POSIX::uname();
508
509 $nodename =~ s/\..*$//; # strip domain part, if any
510
511 die "unable to read node name\n" if !$nodename;
512
513 $cached_nodename = $nodename;
514
515 return $cached_nodename;
516}
517
518sub read_etc_hostname {
519 my ($filename, $fd) = @_;
520
521 my $hostname = <$fd>;
522
523 chomp $hostname;
524
525 $hostname =~ s/\..*$//; # strip domain part, if any
526
527 return $hostname;
528}
529
530sub write_etc_hostname {
531 my ($filename, $fh, $hostname) = @_;
532
533 die "write failed: $!" unless print $fh "$hostname\n";
534
535 return $hostname;
536}
537
538register_file('hostname', "/etc/hostname",
539 \&read_etc_hostname,
540 \&write_etc_hostname);
541
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542sub read_etc_hosts {
543 my ($filename, $fh) = @_;
544
545 my $raw = '';
546 my $data = '';
547
548 while (my $line = <$fh>) {
549 $raw .= $line;
550 if ($line =~ m/^\s*#/) {
551 $line = decode('UTF-8', $line);
552 }
553 $data .= $line;
554 }
555
556 return {
557 digest => Digest::SHA::sha1_hex($raw),
558 data => $data,
559 }
560}
561
562sub write_etc_hosts {
563 my ($filename, $fh, $hosts, @args) = @_;
564
565 # check validity of ips/names
566 for my $line (split("\n", $hosts)) {
567 next if $line =~ m/^\s*#/; # comments
568 next if $line =~ m/^\s*$/; # whitespace/empty lines
569
570 my ($ip, @names) = split(/\s+/, $line);
571
572 raise_param_exc({ 'data' => "Invalid IP '$ip'" })
573 if $ip !~ m/^$PVE::Tools::IPRE$/;
574
575 for my $name (@names) {
576 raise_param_exc({ 'data' => "Invalid Hostname '$name'" })
577 if $name !~ m/^[.\-a-zA-Z0-9]+$/;
578 }
579 }
580
581 die "write failed: $!" if !print $fh encode('UTF-8', $hosts);
582
583 return $hosts;
584}
585
586register_file('etchosts', "/etc/hosts",
587 \&read_etc_hosts,
588 \&write_etc_hosts);
589
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590sub read_etc_resolv_conf {
591 my ($filename, $fh) = @_;
592
593 my $res = {};
594
595 my $nscount = 0;
596 while (my $line = <$fh>) {
597 chomp $line;
598 if ($line =~ m/^(search|domain)\s+(\S+)\s*/) {
599 $res->{search} = $2;
176b1186 600 } elsif ($line =~ m/^\s*nameserver\s+($PVE::Tools::IPRE)\s*/) {
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601 $nscount++;
602 if ($nscount <= 3) {
603 $res->{"dns$nscount"} = $1;
604 }
605 }
606 }
607
608 return $res;
609}
610
611sub update_etc_resolv_conf {
612 my ($filename, $fh, $resolv, @args) = @_;
613
614 my $data = "";
615
616 $data = "search $resolv->{search}\n"
617 if $resolv->{search};
618
619 my $written = {};
620 foreach my $k ("dns1", "dns2", "dns3") {
621 my $ns = $resolv->{$k};
622 if ($ns && $ns ne '0.0.0.0' && !$written->{$ns}) {
623 $written->{$ns} = 1;
624 $data .= "nameserver $ns\n";
625 }
626 }
627
628 while (my $line = <$fh>) {
629 next if $line =~ m/^(search|domain|nameserver)\s+/;
630 $data .= $line
631 }
632
633 return $data;
634}
635
636register_file('resolvconf', "/etc/resolv.conf",
637 \&read_etc_resolv_conf, undef,
638 \&update_etc_resolv_conf);
639
640sub read_etc_timezone {
641 my ($filename, $fd) = @_;
642
643 my $timezone = <$fd>;
644
645 chomp $timezone;
646
647 return $timezone;
648}
649
650sub write_etc_timezone {
651 my ($filename, $fh, $timezone) = @_;
652
653 my $tzinfo = "/usr/share/zoneinfo/$timezone";
654
655 raise_param_exc({ 'timezone' => "No such timezone" })
656 if (! -f $tzinfo);
657
658 ($timezone) = $timezone =~ m/^(.*)$/; # untaint
659
660 print $fh "$timezone\n";
661
662 unlink ("/etc/localtime");
663 symlink ("/usr/share/zoneinfo/$timezone", "/etc/localtime");
664
665}
666
667register_file('timezone', "/etc/timezone",
668 \&read_etc_timezone,
669 \&write_etc_timezone);
670
671sub read_active_workers {
672 my ($filename, $fh) = @_;
673
674 return [] if !$fh;
675
676 my $res = [];
677 while (defined (my $line = <$fh>)) {
75ed54f1 678 if ($line =~ m/^(\S+)\s(0|1)(\s([0-9A-Za-z]{8})(\s(\s*\S.*))?)?$/) {
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679 my $upid = $1;
680 my $saved = $2;
681 my $endtime = $4;
682 my $status = $6;
683 if ((my $task = PVE::Tools::upid_decode($upid, 1))) {
684 $task->{upid} = $upid;
685 $task->{saved} = $saved;
686 $task->{endtime} = hex($endtime) if $endtime;
687 $task->{status} = $status if $status;
688 push @$res, $task;
689 }
690 } else {
691 warn "unable to parse line: $line";
692 }
693 }
694
695 return $res;
696
697}
698
699sub write_active_workers {
700 my ($filename, $fh, $tasklist) = @_;
701
702 my $raw = '';
703 foreach my $task (@$tasklist) {
704 my $upid = $task->{upid};
705 my $saved = $task->{saved} ? 1 : 0;
706 if ($task->{endtime}) {
707 if ($task->{status}) {
e34c27f4 708 $raw .= sprintf("%s %s %08X %s\n", $upid, $saved, $task->{endtime}, $task->{status});
e143e9d8 709 } else {
e34c27f4 710 $raw .= sprintf("%s %s %08X\n", $upid, $saved, $task->{endtime});
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711 }
712 } else {
713 $raw .= "$upid $saved\n";
714 }
715 }
716
717 PVE::Tools::safe_print($filename, $fh, $raw) if $raw;
718}
719
720register_file('active', "/var/log/pve/tasks/active",
721 \&read_active_workers,
722 \&write_active_workers);
723
724
c8e5d28e 725our $bond_modes = { 'balance-rr' => 0,
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726 'active-backup' => 1,
727 'balance-xor' => 2,
728 'broadcast' => 3,
729 '802.3ad' => 4,
730 'balance-tlb' => 5,
731 'balance-alb' => 6,
732 };
733
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734my $ovs_bond_modes = {
735 'active-backup' => 1,
9b7b13a1 736 'balance-slb' => 1,
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737 'lacp-balance-slb' => 1,
738 'lacp-balance-tcp' => 1,
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739};
740
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741#sub get_bond_modes {
742# return $bond_modes;
743#}
744
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745my $parse_ovs_option = sub {
746 my ($data) = @_;
747
748 my $opts = {};
749 foreach my $kv (split (/\s+/, $data || '')) {
750 my ($k, $v) = split('=', $kv, 2);
751 $opts->{$k} = $v if $k && $v;
752 }
753 return $opts;
754};
755
756my $set_ovs_option = sub {
757 my ($d, %params) = @_;
758
759 my $opts = &$parse_ovs_option($d->{ovs_options});
760
761 foreach my $k (keys %params) {
762 my $v = $params{$k};
763 if ($v) {
764 $opts->{$k} = $v;
765 } else {
766 delete $opts->{$k};
767 }
768 }
769
770 my $res = [];
771 foreach my $k (keys %$opts) {
772 push @$res, "$k=$opts->{$k}";
773 }
774
775 if (my $new = join(' ', @$res)) {
776 $d->{ovs_options} = $new;
777 return $d->{ovs_options};
778 } else {
779 delete $d->{ovs_options};
780 return undef;
781 }
782};
783
784my $extract_ovs_option = sub {
785 my ($d, $name) = @_;
786
787 my $opts = &$parse_ovs_option($d->{ovs_options});
788
789 my $v = delete $opts->{$name};
790
791 my $res = [];
792 foreach my $k (keys %$opts) {
793 push @$res, "$k=$opts->{$k}";
794 }
795
796 if (my $new = join(' ', @$res)) {
797 $d->{ovs_options} = $new;
798 } else {
799 delete $d->{ovs_options};
800 }
801
802 return $v;
803};
804
9b053d70 805my $check_mtu = sub {
cebd1c85 806 my ($ifaces, $parent, $child) = @_;
9b053d70 807
cebd1c85
WB
808 die "check mtu - missing parent interface\n" if !$parent;
809 die "check mtu - missing child interface\n" if !$child;
9b053d70 810
000e32bc
AD
811 my $cmtu = $ifaces->{$child}->{mtu};
812 return if !$cmtu;
9b053d70 813
000e32bc
AD
814 my $parentdata = $ifaces->{$parent};
815 my $pmtu = $parentdata->{mtu};
816 $pmtu = $cmtu if $parentdata->{type} eq 'bond' && !$pmtu;
817 $pmtu = 1500 if !$pmtu;
818
819 die "interface '$parent' - mtu $pmtu is lower than '$child' - mtu $cmtu\n"
820 if $pmtu < $cmtu;
9b053d70
AD
821};
822
48ab17b3
WB
823# config => {
824# ifaces => {
825# $ifname => {
826# <optional> exists => BOOL,
827# <optional> active => BOOL,
828# <optional> autostart => BOOL,
829# <auto> priority => INT,
830#
831# type => "eth" | "bridge" | "bond" | "loopback" | "OVS*" | ... ,
832#
833# families => ["inet", "inet6", ...],
834#
835# method => "manual" | "static" | "dhcp" | ... ,
836# address => IP,
837# netmask => SUBNET,
838# broadcast => IP,
839# gateway => IP,
840# comments => [ "..." ],
841#
842# method6 => "manual" | "static" | "dhcp" | ... ,
843# address6 => IP,
844# netmask6 => SUBNET,
845# gateway6 => IP,
846# comments6 => [ "..." ],
847#
848# <known options>, # like bridge_ports, ovs_*
849#
850# # extra/unknown options stored by-family:
851# options => { <inet options>... }
852# options6 => { <inet6 options>... }
853# }
854# },
855# options => [
856# # mappings end up here as well, as we don't need to understand them
857# [priority,line]
858# ]
859# }
e143e9d8
DM
860sub read_etc_network_interfaces {
861 my ($filename, $fh) = @_;
78325766 862 my $proc_net_dev = IO::File->new('/proc/net/dev', 'r');
f0d1b04f 863 my $active = PVE::ProcFSTools::get_active_network_interfaces();
12a235d6 864 return __read_etc_network_interfaces($fh, $proc_net_dev, $active);
78325766
WB
865}
866
867sub __read_etc_network_interfaces {
12a235d6 868 my ($fh, $proc_net_dev, $active_ifaces) = @_;
e143e9d8 869
48ab17b3
WB
870 my $config = {};
871 my $ifaces = $config->{ifaces} = {};
872 my $options = $config->{options} = [];
e143e9d8 873
1b1fb9f7
AD
874 my $options_alternatives = {
875 'bond-slaves' => 'slaves',
876 'bond_slaves' => 'slaves',
877 'bond-xmit-hash-policy' => 'bond_xmit_hash_policy',
878 'bond-mode' => 'bond_mode',
879 'bond-miimon' =>'bond_miimon',
880 'bridge-vlan-aware' => 'bridge_vlan_aware',
881 'bridge-fd' => 'bridge_fd',
882 'bridge-stp' => 'bridge_stp',
95d0e633
AD
883 'bridge-ports' => 'bridge_ports',
884 'bridge-vids' => 'bridge_vids'
1b1fb9f7
AD
885 };
886
e143e9d8
DM
887 my $line;
888
78325766
WB
889 if ($proc_net_dev) {
890 while (defined ($line = <$proc_net_dev>)) {
3dabe28a 891 if ($line =~ m/^\s*($PVE::Network::PHYSICAL_NIC_RE):.*/) {
e143e9d8
DM
892 $ifaces->{$1}->{exists} = 1;
893 }
894 }
78325766 895 close($proc_net_dev);
e143e9d8
DM
896 }
897
c9dc8645
DM
898 # we try to keep order inside the file
899 my $priority = 2; # 1 is reserved for lo
900
b1d7951f 901 SECTION: while (defined ($line = <$fh>)) {
e143e9d8 902 chomp ($line);
b1d7951f 903 next if $line =~ m/^\s*#/;
e143e9d8 904
b1d7951f 905 if ($line =~ m/^\s*auto\s+(.*)$/) {
e143e9d8
DM
906 my @aa = split (/\s+/, $1);
907
908 foreach my $a (@aa) {
909 $ifaces->{$a}->{autostart} = 1;
910 }
911
48ab17b3 912 } elsif ($line =~ m/^\s*iface\s+(\S+)\s+(inet6?)\s+(\S+)\s*$/) {
e143e9d8 913 my $i = $1;
48ab17b3
WB
914 my $family = $2;
915 my $f = { method => $3 }; # by family, merged to $d with a $suffix
916 (my $suffix = $family) =~ s/^inet//;
e143e9d8 917
cb07ff78 918 my $d = $ifaces->{$i} ||= {};
48ab17b3
WB
919 $d->{priority} = $priority++ if !$d->{priority};
920 push @{$d->{families}}, $family;
921
72ca6520 922 while (defined ($line = <$fh>)) {
b1d7951f
WB
923 chomp $line;
924 if ($line =~ m/^\s*#(.*?)\s*$/) {
48ab17b3 925 $f->{comments} = '' if !$f->{comments};
1b505ae2
DC
926 my $comment = decode('UTF-8', $1);
927 $f->{comments} .= "$comment\n";
b1d7951f
WB
928 } elsif ($line =~ m/^\s*(?:iface\s
929 |mapping\s
930 |auto\s
931 |allow-
932 |source\s
933 |source-directory\s
934 )/x) {
935 last;
936 } elsif ($line =~ m/^\s*((\S+)\s+(.+))$/) {
72ca6520
DM
937 my $option = $1;
938 my ($id, $value) = ($2, $3);
1b1fb9f7
AD
939
940 $id = $options_alternatives->{$id} if $options_alternatives->{$id};
941
9a052564 942 my $simple_options = {
9b053d70 943 'mtu' => 1,
9a052564
AD
944 'ovs_type' => 1,
945 'ovs_options' => 1,
946 'ovs_bridge' => 1,
947 'ovs_bonds' => 1,
948 'ovs_ports' => 1,
949 'bridge_fd' => 1,
950 'bridge_vids' => 1,
951 'bridge-access' => 1,
952 'bridge-learning' => 1,
953 'bridge-arp-nd-suppress' => 1,
954 'bridge-unicast-flood' => 1,
955 'bridge-multicast-flood' => 1,
956 'bond_miimon' => 1,
957 'bond_xmit_hash_policy' => 1,
d949babe 958 'uplink-id' => 1,
8f5d56bf 959 'vlan-protocol' => 1,
9a052564
AD
960 'vxlan-id' => 1,
961 'vxlan-svcnodeip' => 1,
962 'vxlan-physdev' => 1,
963 'vxlan-local-tunnelip' => 1 };
964
0541ec90 965 if (($id eq 'address') || ($id eq 'netmask') || ($id eq 'broadcast') || ($id eq 'gateway')) {
48ab17b3 966 $f->{$id} = $value;
9a052564 967 } elsif ($simple_options->{$id}) {
9b7b13a1 968 $d->{$id} = $value;
72ca6520
DM
969 } elsif ($id eq 'slaves' || $id eq 'bridge_ports') {
970 my $devs = {};
971 foreach my $p (split (/\s+/, $value)) {
972 next if $p eq 'none';
973 $devs->{$p} = 1;
e143e9d8 974 }
72ca6520 975 my $str = join (' ', sort keys %{$devs});
48ab17b3
WB
976 if ($d->{$id}) {
977 $d->{$id} .= ' ' . $str if $str;
978 } else {
979 $d->{$id} = $str || '';
980 }
72ca6520
DM
981 } elsif ($id eq 'bridge_stp') {
982 if ($value =~ m/^\s*(on|yes)\s*$/i) {
983 $d->{$id} = 'on';
984 } else {
985 $d->{$id} = 'off';
986 }
685a2528
AD
987 } elsif ($id eq 'bridge_vlan_aware') {
988 $d->{$id} = 1;
72ca6520
DM
989 } elsif ($id eq 'bond_mode') {
990 # always use names
991 foreach my $bm (keys %$bond_modes) {
992 my $id = $bond_modes->{$bm};
993 if ($id eq $value) {
994 $value = $bm;
995 last;
996 }
997 }
998 $d->{$id} = $value;
95aa8788
AD
999 } elsif ($id eq 'vxlan-remoteip') {
1000 push @{$d->{$id}}, $value;
72ca6520 1001 } else {
48ab17b3 1002 push @{$f->{options}}, $option;
e143e9d8 1003 }
e143e9d8 1004 } else {
72ca6520 1005 last;
e143e9d8
DM
1006 }
1007 }
48ab17b3 1008 $d->{"$_$suffix"} = $f->{$_} foreach (keys %$f);
b1d7951f
WB
1009 last SECTION if !defined($line);
1010 redo SECTION;
48ab17b3
WB
1011 } elsif ($line =~ /\w/) {
1012 push @$options, [$priority++, $line];
e143e9d8
DM
1013 }
1014 }
1015
12a235d6
WB
1016 foreach my $ifname (@$active_ifaces) {
1017 if (my $iface = $ifaces->{$ifname}) {
1018 $iface->{active} = 1;
1019 }
1020 }
e143e9d8
DM
1021
1022 if (!$ifaces->{lo}) {
c9dc8645 1023 $ifaces->{lo}->{priority} = 1;
e143e9d8
DM
1024 $ifaces->{lo}->{method} = 'loopback';
1025 $ifaces->{lo}->{type} = 'loopback';
1026 $ifaces->{lo}->{autostart} = 1;
1027 }
1028
1029 foreach my $iface (keys %$ifaces) {
1030 my $d = $ifaces->{$iface};
1031 if ($iface =~ m/^bond\d+$/) {
9b7b13a1
DM
1032 if (!$d->{ovs_type}) {
1033 $d->{type} = 'bond';
1034 } elsif ($d->{ovs_type} eq 'OVSBond') {
1035 $d->{type} = $d->{ovs_type};
1036 # translate: ovs_options => bond_mode
1037 $d->{'bond_mode'} = &$extract_ovs_option($d, 'bond_mode');
a68760b6
DM
1038 my $lacp = &$extract_ovs_option($d, 'lacp');
1039 if ($lacp && $lacp eq 'active') {
1040 if ($d->{'bond_mode'} eq 'balance-slb') {
1041 $d->{'bond_mode'} = 'lacp-balance-slb';
1042 }
1043 }
1044 # Note: balance-tcp needs lacp
1045 if ($d->{'bond_mode'} eq 'balance-tcp') {
1046 $d->{'bond_mode'} = 'lacp-balance-tcp';
1047 }
2a751938
DM
1048 my $tag = &$extract_ovs_option($d, 'tag');
1049 $d->{ovs_tag} = $tag if defined($tag);
9b7b13a1
DM
1050 } else {
1051 $d->{type} = 'unknown';
e143e9d8 1052 }
9b7b13a1
DM
1053 } elsif ($iface =~ m/^vmbr\d+$/) {
1054 if (!$d->{ovs_type}) {
1055 $d->{type} = 'bridge';
1056
1057 if (!defined ($d->{bridge_fd})) {
1058 $d->{bridge_fd} = 0;
1059 }
1060 if (!defined ($d->{bridge_stp})) {
1061 $d->{bridge_stp} = 'off';
1062 }
1063 } elsif ($d->{ovs_type} eq 'OVSBridge') {
1064 $d->{type} = $d->{ovs_type};
1065 } else {
1066 $d->{type} = 'unknown';
e143e9d8
DM
1067 }
1068 } elsif ($iface =~ m/^(\S+):\d+$/) {
1069 $d->{type} = 'alias';
1070 if (defined ($ifaces->{$1})) {
1071 $d->{exists} = $ifaces->{$1}->{exists};
1072 } else {
1073 $ifaces->{$1}->{exists} = 0;
1074 $d->{exists} = 0;
1075 }
9c808945
AD
1076 } elsif ($iface =~ m/^(\S+)\.\d+$/) {
1077 $d->{type} = 'vlan';
1078 if (defined ($ifaces->{$1})) {
1079 $d->{exists} = $ifaces->{$1}->{exists};
1080 } else {
1081 $ifaces->{$1}->{exists} = 0;
1082 $d->{exists} = 0;
1083 }
3dabe28a 1084 } elsif ($iface =~ m/^$PVE::Network::PHYSICAL_NIC_RE$/) {
9b7b13a1
DM
1085 if (!$d->{ovs_type}) {
1086 $d->{type} = 'eth';
1087 } elsif ($d->{ovs_type} eq 'OVSPort') {
1088 $d->{type} = $d->{ovs_type};
2a751938
DM
1089 my $tag = &$extract_ovs_option($d, 'tag');
1090 $d->{ovs_tag} = $tag if defined($tag);
9b7b13a1
DM
1091 } else {
1092 $d->{type} = 'unknown';
1093 }
e143e9d8
DM
1094 } elsif ($iface =~ m/^lo$/) {
1095 $d->{type} = 'loopback';
1096 } else {
95aa8788
AD
1097 if ($d->{'vxlan-id'}) {
1098 $d->{type} = 'vxlan';
1099 } elsif (!$d->{ovs_type}) {
9b7b13a1
DM
1100 $d->{type} = 'unknown';
1101 } elsif ($d->{ovs_type} eq 'OVSIntPort') {
1102 $d->{type} = $d->{ovs_type};
2a751938
DM
1103 my $tag = &$extract_ovs_option($d, 'tag');
1104 $d->{ovs_tag} = $tag if defined($tag);
9b7b13a1 1105 }
e143e9d8
DM
1106 }
1107
2896245e
DC
1108 # map address and netmask to cidr
1109 if ($d->{address}) {
4515aaec 1110 if ($d->{netmask} && $d->{netmask} =~ m/^\d+$/) { # e.g. netmask 20
2896245e
DC
1111 $d->{cidr} = $d->{address} . "/" . $d->{netmask};
1112 } elsif ($d->{netmask} &&
1113 (my $cidr = PVE::JSONSchema::get_netmask_bits($d->{netmask}))) { # e.g. netmask 255.255.255.0
1114 $d->{cidr} = $d->{address} . "/" . $cidr;
1115 } elsif ($d->{address} =~ m!^(.*)/(\d+)$!) {
1116 $d->{cidr} = $d->{address};
1117 $d->{address} = $1;
1118 $d->{netmask} = $2;
1119 } else {
1120 $d->{cidr} = $d->{address};
1121 }
1122 }
1123
1124 # map address6 and netmask6 to cidr6
1125 if ($d->{address6}) {
1126 $d->{cidr6} = $d->{address6};
1127 if ($d->{netmask6}) {
b6103858 1128 $d->{cidr6} .= "/" . $d->{netmask6};
2896245e 1129 } elsif ($d->{address6} =~ m!^(.*)/(\d+)$!) {
2896245e
DC
1130 $d->{address6} = $1;
1131 $d->{netmask6} = $2;
1132 }
1133 }
1134
e143e9d8 1135 $d->{method} = 'manual' if !$d->{method};
48ab17b3 1136 $d->{method6} = 'manual' if !$d->{method6};
78325766
WB
1137
1138 $d->{families} ||= ['inet'];
e143e9d8
DM
1139 }
1140
516a50a4
WB
1141 # OVS bridges create "allow-$BRIDGE $IFACE" lines which we need to remove
1142 # from the {options} hash for them to be removed correctly.
1143 @$options = grep {defined($_)} map {
1144 my ($pri, $line) = @$_;
1145 if ($line =~ /^allow-(\S+)\s+(.*)$/) {
1146 my $bridge = $1;
1147 my @ports = split(/\s+/, $2);
1148 if (defined(my $br = $ifaces->{$bridge})) {
1149 # if this port is part of a bridge, remove it
1150 my %in_ovs_ports = map {$_=>1} split(/\s+/, $br->{ovs_ports});
1151 @ports = grep { not $in_ovs_ports{$_} } @ports;
1152 }
1153 # create the allow line for the remaining ports, or delete if empty
1154 if (@ports) {
1155 [$pri, "allow-$bridge " . join(' ', @ports)];
1156 } else {
1157 undef;
1158 }
1159 } else {
1160 # don't modify other lines
1161 $_;
1162 }
1163 } @$options;
1164
48ab17b3 1165 return $config;
e143e9d8
DM
1166}
1167
1168sub __interface_to_string {
b7c4f378 1169 my ($iface, $d, $family, $first_block, $ifupdown2) = @_;
48ab17b3
WB
1170
1171 (my $suffix = $family) =~ s/^inet//;
e143e9d8 1172
48ab17b3 1173 return '' if !($d && $d->{"method$suffix"});
e143e9d8
DM
1174
1175 my $raw = '';
1176
48ab17b3
WB
1177 $raw .= "iface $iface $family " . $d->{"method$suffix"} . "\n";
1178 $raw .= "\taddress " . $d->{"address$suffix"} . "\n" if $d->{"address$suffix"};
1179 $raw .= "\tnetmask " . $d->{"netmask$suffix"} . "\n" if $d->{"netmask$suffix"};
1180 $raw .= "\tgateway " . $d->{"gateway$suffix"} . "\n" if $d->{"gateway$suffix"};
1181 $raw .= "\tbroadcast " . $d->{"broadcast$suffix"} . "\n" if $d->{"broadcast$suffix"};
e143e9d8 1182
9b7b13a1
DM
1183 my $done = { type => 1, priority => 1, method => 1, active => 1, exists => 1,
1184 comments => 1, autostart => 1, options => 1,
48ab17b3
WB
1185 address => 1, netmask => 1, gateway => 1, broadcast => 1,
1186 method6 => 1, families => 1, options6 => 1,
d949babe 1187 address6 => 1, netmask6 => 1, gateway6 => 1, broadcast6 => 1, 'uplink-id' => 1 };
48ab17b3
WB
1188
1189 if (!$first_block) {
1190 # not printing out options
1191 } elsif ($d->{type} eq 'bridge') {
9b7b13a1 1192
fb3a6db1 1193 $d->{bridge_ports} =~ s/[;,\s]+/ /g;
e143e9d8 1194 my $ports = $d->{bridge_ports} || 'none';
1accc6da 1195 $raw .= "\tbridge-ports $ports\n";
9b7b13a1 1196 $done->{bridge_ports} = 1;
e143e9d8 1197
9b7b13a1 1198 my $v = defined($d->{bridge_stp}) ? $d->{bridge_stp} : 'off';
1accc6da 1199 $raw .= "\tbridge-stp $v\n";
9b7b13a1 1200 $done->{bridge_stp} = 1;
e143e9d8 1201
9b7b13a1 1202 $v = defined($d->{bridge_fd}) ? $d->{bridge_fd} : 0;
1accc6da 1203 $raw .= "\tbridge-fd $v\n";
9b7b13a1 1204 $done->{bridge_fd} = 1;
685a2528
AD
1205
1206 if( defined($d->{bridge_vlan_aware})) {
1accc6da 1207 $raw .= "\tbridge-vlan-aware yes\n";
95d0e633
AD
1208 $v = defined($d->{bridge_vids}) ? $d->{bridge_vids} : "2-4094";
1209 $raw .= "\tbridge-vids $v\n";
685a2528
AD
1210 }
1211 $done->{bridge_vlan_aware} = 1;
f6c4a563 1212 $done->{bridge_vids} = 1;
9b7b13a1
DM
1213
1214 } elsif ($d->{type} eq 'bond') {
e143e9d8 1215
fb3a6db1 1216 $d->{slaves} =~ s/[;,\s]+/ /g;
e143e9d8 1217 my $slaves = $d->{slaves} || 'none';
1accc6da 1218 $raw .= "\tbond-slaves $slaves\n";
9b7b13a1 1219 $done->{slaves} = 1;
e143e9d8 1220
9b7b13a1 1221 my $v = defined ($d->{'bond_miimon'}) ? $d->{'bond_miimon'} : 100;
1accc6da 1222 $raw .= "\tbond-miimon $v\n";
9b7b13a1 1223 $done->{'bond_miimon'} = 1;
e143e9d8 1224
9b7b13a1 1225 $v = defined ($d->{'bond_mode'}) ? $d->{'bond_mode'} : 'balance-rr';
1accc6da 1226 $raw .= "\tbond-mode $v\n";
9b7b13a1
DM
1227 $done->{'bond_mode'} = 1;
1228
40fae2b3
DM
1229 if ($d->{'bond_mode'} && $d->{'bond_xmit_hash_policy'} &&
1230 ($d->{'bond_mode'} eq 'balance-xor' || $d->{'bond_mode'} eq '802.3ad')) {
1accc6da 1231 $raw .= "\tbond-xmit-hash-policy $d->{'bond_xmit_hash_policy'}\n";
40fae2b3
DM
1232 }
1233 $done->{'bond_xmit_hash_policy'} = 1;
8f5d56bf
AD
1234 } elsif ($d->{type} eq 'vlan') {
1235 die "$iface: wrong vlan-protocol $d->{'vlan-protocol'}\n"
1236 if $d->{'vlan-protocol'} && $d->{'vlan-protocol'} ne '802.1ad' && $d->{'vlan-protocol'} ne '802.1q';
1237
95aa8788
AD
1238 } elsif ($d->{type} eq 'vxlan') {
1239
94d786b3
WB
1240 foreach my $k (qw(vxlan-id vxlan-svcnodeip vxlan-physdev vxlan-local-tunnelip)) {
1241 $raw .= "\t$k $d->{$k}\n" if defined $d->{$k};
95aa8788 1242 $done->{$k} = 1;
94d786b3 1243 }
95aa8788
AD
1244
1245 if ($d->{'vxlan-remoteip'}) {
1246 foreach my $remoteip (@{$d->{'vxlan-remoteip'}}) {
1247 $raw .= "\tvxlan-remoteip $remoteip\n";
1248 }
1249 $done->{'vxlan-remoteip'} = 1;
1250 }
9b7b13a1
DM
1251 } elsif ($d->{type} eq 'OVSBridge') {
1252
1253 $raw .= "\tovs_type $d->{type}\n";
1254 $done->{ovs_type} = 1;
1255
1256 $raw .= "\tovs_ports $d->{ovs_ports}\n" if $d->{ovs_ports};
1257 $done->{ovs_ports} = 1;
9b7b13a1
DM
1258 } elsif ($d->{type} eq 'OVSPort' || $d->{type} eq 'OVSIntPort' ||
1259 $d->{type} eq 'OVSBond') {
1260
1261 $d->{autostart} = 0; # started by the bridge
1262
2a751938
DM
1263 if (defined($d->{ovs_tag})) {
1264 &$set_ovs_option($d, tag => $d->{ovs_tag});
1265 }
1266 $done->{ovs_tag} = 1;
1267
9b7b13a1
DM
1268 if ($d->{type} eq 'OVSBond') {
1269
1270 $d->{bond_mode} = 'active-backup' if !$d->{bond_mode};
1271
1272 $ovs_bond_modes->{$d->{bond_mode}} ||
1273 die "OVS does not support bond mode '$d->{bond_mode}\n";
1274
a68760b6
DM
1275 if ($d->{bond_mode} eq 'lacp-balance-slb') {
1276 &$set_ovs_option($d, lacp => 'active');
1277 &$set_ovs_option($d, bond_mode => 'balance-slb');
1278 } elsif ($d->{bond_mode} eq 'lacp-balance-tcp') {
1279 &$set_ovs_option($d, lacp => 'active');
1280 &$set_ovs_option($d, bond_mode => 'balance-tcp');
1281 } else {
1282 &$set_ovs_option($d, lacp => undef);
1283 &$set_ovs_option($d, bond_mode => $d->{bond_mode});
1284 }
9b7b13a1
DM
1285 $done->{bond_mode} = 1;
1286
1287 $raw .= "\tovs_bonds $d->{ovs_bonds}\n" if $d->{ovs_bonds};
1288 $done->{ovs_bonds} = 1;
1289 }
1290
9b7b13a1
DM
1291 $raw .= "\tovs_type $d->{type}\n";
1292 $done->{ovs_type} = 1;
1293
1294 if ($d->{ovs_bridge}) {
b7c4f378
AD
1295
1296 if ($ifupdown2) {
1297 $raw = "auto $iface\n$raw";
1298 } else {
1299 $raw = "allow-$d->{ovs_bridge} $iface\n$raw";
1300 }
1301
9b7b13a1
DM
1302 $raw .= "\tovs_bridge $d->{ovs_bridge}\n";
1303 $done->{ovs_bridge} = 1;
1304 }
9b7b13a1
DM
1305 }
1306
48ab17b3
WB
1307 if ($first_block) {
1308 # print other settings
9a052564 1309 foreach my $k (sort keys %$d) {
48ab17b3
WB
1310 next if $done->{$k};
1311 next if !$d->{$k};
1312 $raw .= "\t$k $d->{$k}\n";
1313 }
e143e9d8
DM
1314 }
1315
48ab17b3 1316 foreach my $option (@{$d->{"options$suffix"}}) {
e143e9d8
DM
1317 $raw .= "\t$option\n";
1318 }
1319
ed4e6e0c 1320 # add comments
48ab17b3 1321 my $comments = $d->{"comments$suffix"} || '';
ed4e6e0c
DM
1322 foreach my $cl (split(/\n/, $comments)) {
1323 $raw .= "#$cl\n";
72ca6520
DM
1324 }
1325
e143e9d8
DM
1326 $raw .= "\n";
1327
1328 return $raw;
1329}
1330
78325766 1331
e143e9d8 1332sub write_etc_network_interfaces {
48ab17b3 1333 my ($filename, $fh, $config) = @_;
b7c4f378
AD
1334 my $ifupdown2 = -e '/usr/share/ifupdown2';
1335 my $raw = __write_etc_network_interfaces($config, $ifupdown2);
1b505ae2 1336 PVE::Tools::safe_print($filename, $fh, encode('UTF-8', $raw));
78325766
WB
1337}
1338sub __write_etc_network_interfaces {
b7c4f378 1339 my ($config, $ifupdown2) = @_;
48ab17b3
WB
1340
1341 my $ifaces = $config->{ifaces};
1342 my @options = @{$config->{options}};
e143e9d8 1343
9b7b13a1
DM
1344 my $used_ports = {};
1345
1346 foreach my $iface (keys %$ifaces) {
1347 my $d = $ifaces->{$iface};
1348
2896245e
DC
1349 delete $d->{cidr};
1350 delete $d->{cidr6};
1351
9b7b13a1
DM
1352 my $ports = '';
1353 foreach my $k (qw(bridge_ports ovs_ports slaves ovs_bonds)) {
1354 $ports .= " $d->{$k}" if $d->{$k};
1355 }
1356
1357 foreach my $p (PVE::Tools::split_list($ports)) {
1358 die "port '$p' is already used on interface '$used_ports->{$p}'\n"
1359 if $used_ports->{$p} && $used_ports->{$p} ne $iface;
1360 $used_ports->{$p} = $iface;
1361 }
1362 }
1363
1364 # delete unused OVS ports
1365 foreach my $iface (keys %$ifaces) {
1366 my $d = $ifaces->{$iface};
94d786b3 1367 if ($d->{type} eq 'OVSPort' || $d->{type} eq 'OVSIntPort' ||
9b7b13a1
DM
1368 $d->{type} eq 'OVSBond') {
1369 my $brname = $used_ports->{$iface};
94d786b3 1370 if (!$brname || !$ifaces->{$brname}) {
3dabe28a 1371 if ($iface =~ /^$PVE::Network::PHYSICAL_NIC_RE/) {
516a50a4
WB
1372 $ifaces->{$iface} = { type => 'eth',
1373 exists => 1,
1374 method => 'manual',
1375 families => ['inet'] };
1376 } else {
1377 delete $ifaces->{$iface};
1378 }
9b7b13a1
DM
1379 next;
1380 }
1381 my $bd = $ifaces->{$brname};
1382 if ($bd->{type} ne 'OVSBridge') {
1383 delete $ifaces->{$iface};
1384 next;
1385 }
1386 }
1387 }
1388
1389 # create OVS bridge ports
1390 foreach my $iface (keys %$ifaces) {
1391 my $d = $ifaces->{$iface};
1392 if ($d->{type} eq 'OVSBridge' && $d->{ovs_ports}) {
1393 foreach my $p (split (/\s+/, $d->{ovs_ports})) {
1394 my $n = $ifaces->{$p};
1395 die "OVS bridge '$iface' - unable to find port '$p'\n"
1396 if !$n;
21d32c95 1397 $n->{autostart} = 0;
9b7b13a1
DM
1398 if ($n->{type} eq 'eth') {
1399 $n->{type} = 'OVSPort';
94d786b3 1400 $n->{ovs_bridge} = $iface;
9b7b13a1
DM
1401 } elsif ($n->{type} eq 'OVSBond' || $n->{type} eq 'OVSPort' ||
1402 $n->{type} eq 'OVSIntPort') {
1403 $n->{ovs_bridge} = $iface;
1404 } else {
1405 die "interface '$p' is not defined as OVS port/bond\n";
1406 }
9b053d70
AD
1407
1408 &$check_mtu($ifaces, $iface, $p);
9b7b13a1
DM
1409 }
1410 }
1411 }
1412
1413 # check OVS bond ports
1414 foreach my $iface (keys %$ifaces) {
1415 my $d = $ifaces->{$iface};
1416 if ($d->{type} eq 'OVSBond' && $d->{ovs_bonds}) {
1417 foreach my $p (split (/\s+/, $d->{ovs_bonds})) {
1418 my $n = $ifaces->{$p};
1419 die "OVS bond '$iface' - unable to find slave '$p'\n"
1420 if !$n;
1421 die "OVS bond '$iface' - wrong interface type on slave '$p' " .
1422 "('$n->{type}' != 'eth')\n" if $n->{type} ne 'eth';
9b053d70 1423 &$check_mtu($ifaces, $iface, $p);
9b7b13a1
DM
1424 }
1425 }
1426 }
1427
0115696f
AD
1428 # check bond
1429 foreach my $iface (keys %$ifaces) {
1430 my $d = $ifaces->{$iface};
1431 if ($d->{type} eq 'bond' && $d->{slaves}) {
1432 foreach my $p (split (/\s+/, $d->{slaves})) {
1433 my $n = $ifaces->{$p};
1434
1435 die "bond '$iface' - unable to find slave '$p'\n"
1436 if !$n;
1437 die "bond '$iface' - wrong interface type on slave '$p' " .
1438 "('$n->{type}' != 'eth')\n" if $n->{type} ne 'eth';
9b053d70 1439 &$check_mtu($ifaces, $iface, $p);
0115696f
AD
1440 }
1441 }
1442 }
1443
95aa8788
AD
1444 # check vxlan
1445 my $vxlans = {};
1446 foreach my $iface (keys %$ifaces) {
1447 my $d = $ifaces->{$iface};
1448
1449 if ($d->{type} eq 'vxlan' && $d->{'vxlan-id'}) {
1450 my $vxlanid = $d->{'vxlan-id'};
94d786b3 1451 die "iface $iface - duplicate vxlan-id $vxlanid already used in $vxlans->{$vxlanid}\n" if $vxlans->{$vxlanid};
95aa8788
AD
1452 $vxlans->{$vxlanid} = $iface;
1453 }
1454
1455 my $ips = 0;
1456 ++$ips if defined $d->{'vxlan-svcnodeip'};
1457 ++$ips if defined $d->{'vxlan-remoteip'};
1458 ++$ips if defined $d->{'vxlan-local-tunnelip'};
1459 if ($ips > 1) {
94d786b3 1460 die "iface $iface - vxlan-svcnodeip, vxlan-remoteip and vxlan-localtunnelip are mutually exclusive\n";
95aa8788
AD
1461 }
1462
1463 if (defined($d->{'vxlan-svcnodeip'}) != defined($d->{'vxlan-physdev'})) {
94d786b3 1464 die "iface $iface - vxlan-svcnodeip and vxlan-physdev must be define together\n";
95aa8788 1465 }
9b053d70 1466 #fixme : check if vxlan mtu is lower than 50bytes than physical interface where tunnel is going out
95aa8788
AD
1467 }
1468
c4e56470
AD
1469 # check vlan
1470 foreach my $iface (keys %$ifaces) {
1471 my $d = $ifaces->{$iface};
1472 if ($d->{type} eq 'vlan' && $iface =~ m/^(\S+)\.\d+$/) {
1473 my $p = $1;
1474 my $n = $ifaces->{$p};
1475
1476 die "vlan '$iface' - unable to find parent '$p'\n"
fc158d0d 1477 if !$n;
c4e56470
AD
1478
1479 if ($n->{type} eq 'bridge' && !$n->{bridge_vlan_aware}) {
1480 die "vlan '$iface' - bridge vlan aware is not enabled on parent '$p'\n";
8f5d56bf 1481 } elsif ($n->{type} ne 'eth' && $n->{type} ne 'bridge' && $n->{type} ne 'bond' && $n->{type} ne 'vlan') {
c4e56470 1482 die "vlan '$iface' - wrong interface type on parent '$p' " .
8f5d56bf 1483 "('$n->{type}' != 'eth|bond|bridge|vlan' )\n";
c4e56470 1484 }
8f5d56bf 1485
000e32bc 1486 &$check_mtu($ifaces, $p, $iface);
8f5d56bf 1487
c4e56470
AD
1488 }
1489 }
1490
d949babe
AD
1491 # check uplink
1492 my $uplinks = {};
1493 foreach my $iface (keys %$ifaces) {
1494 my $d = $ifaces->{$iface};
1495 if (my $uplinkid = $d->{'uplink-id'}) {
1496 die "iface '$iface' - uplink-id $uplinkid is only allowed on physical and linux bond interfaces\n"
1497 if $d->{type} ne 'eth' && $d->{type} ne 'bond';
1498
1499 die "iface '$iface' - uplink-id $uplinkid is already assigned on '$uplinks->{$uplinkid}'\n"
1500 if $uplinks->{$uplinkid};
1501
1502 $uplinks->{$uplinkid} = $iface;
1503 }
1504 }
1505
9a052564
AD
1506 # check bridgeport option
1507 my $bridgeports = {};
1508 my $bridges = {};
1509 foreach my $iface (keys %$ifaces) {
1510 my $d = $ifaces->{$iface};
1511 if ($d->{type} eq 'bridge') {
1512 foreach my $p (split (/\s+/, $d->{bridge_ports})) {
514c2138 1513 $p =~ s/\.\d+$//;
9a052564
AD
1514 my $n = $ifaces->{$p};
1515 die "bridge '$iface' - unable to find bridge port '$p'\n"
1516 if !$n;
9b053d70 1517 &$check_mtu($ifaces, $iface, $p);
9a052564
AD
1518 $bridgeports->{$p} = $iface;
1519 }
1520 $bridges->{$iface} = $d;
1521 }
1522 }
1523
1524 foreach my $iface (keys %$ifaces) {
1525 my $d = $ifaces->{$iface};
1526
1527 foreach my $k (qw(bridge-learning bridge-arp-nd-suppress bridge-unicast-flood bridge-multicast-flood bridge-access)) {
94d786b3 1528 die "iface $iface - $k: bridge port specific options can be used only on interfaces attached to a bridge\n"
9a052564
AD
1529 if $d->{$k} && !$bridgeports->{$iface};
1530 }
1531
1532 if ($d->{'bridge-access'} && !$bridges->{$bridgeports->{$iface}}->{bridge_vlan_aware}) {
94d786b3 1533 die "iface $iface - bridge-access option can be only used if interface is in a vlan aware bridge\n";
9a052564
AD
1534 }
1535 }
1536
9d27ef41
WB
1537 my $raw = <<'NETWORKDOC';
1538# network interface settings; autogenerated
1539# Please do NOT modify this file directly, unless you know what
1540# you're doing.
1541#
b3e3b51b 1542# If you want to manage parts of the network configuration manually,
9d27ef41
WB
1543# please utilize the 'source' or 'source-directory' directives to do
1544# so.
b3e3b51b 1545# PVE will preserve these directives, but will NOT read its network
9d27ef41
WB
1546# configuration from sourced files, so do not attempt to move any of
1547# the PVE managed interfaces into external files!
1548
1549NETWORKDOC
e143e9d8
DM
1550
1551 my $printed = {};
1552
ed4e6e0c 1553 my $if_type_hash = {
562fad0b
WB
1554 loopback => 100000,
1555 eth => 200000,
51eec390
AD
1556 OVSPort => 200000,
1557 OVSIntPort => 200000,
562fad0b
WB
1558 bond => 300000,
1559 bridge => 400000,
51eec390 1560 OVSBridge => 400000,
95aa8788 1561 vxlan => 500000,
9b7b13a1 1562 };
ed4e6e0c
DM
1563
1564 my $lookup_type_prio = sub {
51eec390 1565 my ($iface, $ifaces) = @_;
ed4e6e0c 1566
0c0bcf7c
WB
1567 my ($rootiface, @rest) = split(/[.:]/, $iface);
1568 my $childlevel = scalar(@rest);
1569 my $n = $ifaces->{$rootiface};
ed4e6e0c 1570
0c0bcf7c 1571 my $pri = $if_type_hash->{$n->{type}} + $childlevel
51eec390
AD
1572 if $n->{type} && $n->{type} ne 'unknown';
1573
7a822100 1574 return $pri;
ed4e6e0c
DM
1575 };
1576
c9dc8645
DM
1577 foreach my $iface (sort {
1578 my $ref1 = $ifaces->{$a};
1579 my $ref2 = $ifaces->{$b};
51eec390
AD
1580 my $tp1 = &$lookup_type_prio($a, $ifaces);
1581 my $tp2 = &$lookup_type_prio($b, $ifaces);
e143e9d8 1582
7a822100
WB
1583 # Only recognized types are in relation to each other. If one type
1584 # is unknown then only consider the interfaces' priority attributes.
1585 $tp1 = $tp2 = 0 if !defined($tp1) || !defined($tp2);
1586
1587 my $p1 = $tp1 + ($ref1->{priority} // 50000);
1588 my $p2 = $tp2 + ($ref2->{priority} // 50000);
ed4e6e0c
DM
1589
1590 return $p1 <=> $p2 if $p1 != $p2;
c9dc8645
DM
1591
1592 return $a cmp $b;
11e7facb 1593 } keys %$ifaces) {
c9dc8645
DM
1594 next if $printed->{$iface};
1595
11e7facb 1596 my $d = $ifaces->{$iface};
562fad0b
WB
1597 my $pri = $d->{priority} // 0;
1598 if (@options && $options[0]->[0] < $pri) {
48ab17b3
WB
1599 do {
1600 $raw .= (shift @options)->[1] . "\n";
562fad0b 1601 } while (@options && $options[0]->[0] < $pri);
48ab17b3
WB
1602 $raw .= "\n";
1603 }
1604
c9dc8645 1605 $printed->{$iface} = 1;
48ab17b3
WB
1606 $raw .= "auto $iface\n" if $d->{autostart};
1607 my $i = 0; # some options should be printed only once
b7c4f378 1608 $raw .= __interface_to_string($iface, $d, $_, !$i++, $ifupdown2) foreach @{$d->{families}};
e143e9d8 1609 }
48ab17b3
WB
1610
1611 $raw .= $_->[1] . "\n" foreach @options;
78325766 1612 return $raw;
e143e9d8
DM
1613}
1614
1615register_file('interfaces', "/etc/network/interfaces",
1616 \&read_etc_network_interfaces,
1617 \&write_etc_network_interfaces);
1618
ddd3d224
DM
1619
1620sub read_iscsi_initiatorname {
1621 my ($filename, $fd) = @_;
1622
1623 while (defined(my $line = <$fd>)) {
1624 if ($line =~ m/^InitiatorName=(\S+)$/) {
1625 return $1;
1626 }
1627 }
1628
1629 return 'undefined';
1630}
1631
1632register_file('initiatorname', "/etc/iscsi/initiatorname.iscsi",
1633 \&read_iscsi_initiatorname);
1634
6c3aef09
DM
1635sub read_apt_auth {
1636 my ($filename, $fd) = @_;
1637
1638 local $/;
1639
b8e02bc2 1640 my $raw = defined($fd) ? <$fd> : '';
6c3aef09
DM
1641
1642 $raw =~ s/^\s+//;
1643
1644
1645 my @tokens = split(/\s+/, $raw);
1646
1647 my $data = {};
1648
1649 my $machine;
1650 while (defined(my $tok = shift @tokens)) {
1651
1652 $machine = shift @tokens if $tok eq 'machine';
1653 next if !$machine;
1654 $data->{$machine} = {} if !$data->{$machine};
1655
1656 $data->{$machine}->{login} = shift @tokens if $tok eq 'login';
1657 $data->{$machine}->{password} = shift @tokens if $tok eq 'password';
1658 };
1659
1660 return $data;
1661}
1662
1663my $format_apt_auth_data = sub {
1664 my $data = shift;
1665
1666 my $raw = '';
1667
1668 foreach my $machine (sort keys %$data) {
1669 my $d = $data->{$machine};
1670 $raw .= "machine $machine\n";
1671 $raw .= " login $d->{login}\n" if $d->{login};
1672 $raw .= " password $d->{password}\n" if $d->{password};
1673 $raw .= "\n";
1674 }
1675
1676 return $raw;
1677};
1678
1679sub write_apt_auth {
1680 my ($filename, $fh, $data) = @_;
1681
1682 my $raw = &$format_apt_auth_data($data);
1683
1684 die "write failed: $!" unless print $fh "$raw\n";
1685
1686 return $data;
1687}
1688
1689sub update_apt_auth {
1690 my ($filename, $fh, $data) = @_;
1691
1692 my $orig = read_apt_auth($filename, $fh);
1693
1694 foreach my $machine (keys %$data) {
1695 $orig->{$machine} = $data->{$machine};
1696 }
1697
1698 return &$format_apt_auth_data($orig);
1699}
1700
1701register_file('apt-auth', "/etc/apt/auth.conf",
1702 \&read_apt_auth, \&write_apt_auth,
b7aae8e5 1703 \&update_apt_auth, perm => 0640);
6c3aef09 1704
e143e9d8 17051;