PVE/DAB.pm

   1 package PVE::DAB;
   2
   3 use strict;
   4 use warnings;
   5
   6 use Cwd;
   7 use File::Basename;
   8 use File::Path;
   9 use IO::File;
  10 use IO::Select;
  11 use IPC::Open2;
  12 use IPC::Open3;
  13 use POSIX qw (LONG_MAX);
  14 use UUID;
  15
  16 # fixme: lock container ?
  17
  18 my $dablibdir = "/usr/lib/dab";
  19 my $devicetar = "$dablibdir/devices.tar.gz";
  20 my $default_env = "$dablibdir/scripts/defenv";
  21 my $fake_init = "$dablibdir/scripts/init.pl";
  22 my $script_ssh_init = "$dablibdir/scripts/ssh_gen_host_keys";
  23 my $script_mysql_randompw = "$dablibdir/scripts/mysql_randompw";
  24 my $script_init_urandom = "$dablibdir/scripts/init_urandom";
  25
  26 my $postfix_main_cf = <<EOD;
  27 # See /usr/share/postfix/main.cf.dist for a commented, more complete version
  28
  29 smtpd_banner = \$myhostname ESMTP \$mail_name (Debian/GNU)
  30 biff = no
  31
  32 # appending .domain is the MUA's job.
  33 append_dot_mydomain = no
  34
  35 # Uncomment the next line to generate "delayed mail" warnings
  36 #delay_warning_time = 4h
  37
  38 alias_maps = hash:/etc/aliases
  39 alias_database = hash:/etc/aliases
  40 mydestination = \$myhostname, localhost.\$mydomain, localhost
  41 relayhost =
  42 mynetworks = 127.0.0.0/8
  43 inet_interfaces = loopback-only
  44 recipient_delimiter = +
  45
  46 compatibility_level = 2
  47
  48 EOD
  49
  50 # produce apt compatible filenames (/var/lib/apt/lists)
  51 sub __url_to_filename {
  52     my $url = shift;
  53
  54     $url =~ s|^\S+://||;
  55     $url =~ s|_|%5f|g;
  56     $url =~ s|/|_|g;
  57
  58     return $url;
  59 }
  60
  61 # defaults:
  62 #  origin: debian
  63 #  flags:
  64 #    systemd: true (except for devuan ostypes)
  65 my $supported_suites = {
  66     'bookworm' => {
  67         ostype => "debian-12",
  68     },
  69     'bullseye' => {
  70         ostype => "debian-11",
  71     },
  72     'buster' => {
  73         ostype => "debian-10",
  74     },
  75     'stretch' => {
  76         ostype => "debian-9.0",
  77     },
  78     'jessie' => {
  79         ostype => "debian-8.0",
  80     },
  81     'wheezy' => {
  82         flags => {
  83             systemd => 0,
  84         },
  85         ostype => "debian-7.0",
  86     },
  87     'squeeze' => {
  88         flags => {
  89             systemd => 0,
  90         },
  91         ostype => "debian-6.0",
  92     },
  93     'lenny' => {
  94         flags => {
  95             systemd => 0,
  96         },
  97         ostype => "debian-5.0",
  98     },
  99     'etch' => {
 100         flags => {
 101             systemd => 0,
 102         },
 103         ostype => "debian-4.0",
 104     },
 105
 106 # DEVUAN (imply systemd = 0 default)
 107     'devuan-jessie' => {
 108         suite => 'jessie',
 109         ostype => "devuan-1.0",
 110     },
 111     'devuan-ascii' => {
 112         suite => 'ascii',
 113         ostype => "devuan-2.0",
 114     },
 115     'ascii' => {
 116         ostype => "devuan-2.0",
 117     },
 118     'beowulf' => {
 119         ostype => "devuan-3.0",
 120     },
 121     'chimaera' => {
 122         ostype => "devuan-4.0",
 123     },
 124     'daedalus' => {
 125         ostype => "devuan-5.0",
 126     },
 127
 128 # UBUNTU
 129     'hardy' => {
 130         flags => {
 131             systemd => 0,
 132         },
 133         ostype => "ubuntu-8.04",
 134         origin => 'ubuntu',
 135     },
 136     'intrepid' => {
 137         flags => {
 138             systemd => 0,
 139         },
 140         ostype => "ubuntu-8.10",
 141         origin => 'ubuntu',
 142     },
 143     'jaunty' => {
 144         flags => {
 145             systemd => 0,
 146         },
 147         ostype => "ubuntu-9.04",
 148         origin => 'ubuntu',
 149     },
 150     'precise' => {
 151         flags => {
 152             systemd => 0,
 153         },
 154         ostype => "ubuntu-12.04",
 155         origin => 'ubuntu',
 156     },
 157     'trusty' => {
 158         flags => {
 159             systemd => 0,
 160         },
 161         ostype => "ubuntu-14.04",
 162         origin => 'ubuntu',
 163     },
 164     'vivid' => {
 165         ostype => "ubuntu-15.04",
 166         origin => 'ubuntu',
 167     },
 168     'wily' => {
 169         ostype => "ubuntu-15.10",
 170         origin => 'ubuntu',
 171     },
 172     'xenial' => {
 173         ostype => "ubuntu-16.04",
 174         origin => 'ubuntu',
 175     },
 176     'yakkety' => {
 177         ostype => "ubuntu-16.10",
 178         origin => 'ubuntu',
 179     },
 180     'zesty' => {
 181         ostype => "ubuntu-17.04",
 182         origin => 'ubuntu',
 183     },
 184     'artful' => {
 185         ostype => "ubuntu-17.10",
 186         origin => 'ubuntu',
 187     },
 188     'bionic' => {
 189         ostype => "ubuntu-18.04",
 190         origin => 'ubuntu',
 191     },
 192     'cosmic' => {
 193         ostype => "ubuntu-18.10",
 194         origin => 'ubuntu',
 195     },
 196     'disco' => {
 197         ostype => "ubuntu-19.04",
 198         origin => 'ubuntu',
 199     },
 200     'eoan' => {
 201         ostype => "ubuntu-19.10",
 202         origin => 'ubuntu',
 203     },
 204     'focal' => {
 205         ostype => "ubuntu-20.04",
 206         origin => 'ubuntu',
 207     },
 208     'groovy' => {
 209         ostype => "ubuntu-20.10",
 210         origin => 'ubuntu',
 211     },
 212     'hirsute' => {
 213         ostype => "ubuntu-21.04",
 214         origin => 'ubuntu',
 215     },
 216     'impish' => {
 217         ostype => "ubuntu-21.10",
 218         origin => 'ubuntu',
 219     },
 220     'jammy' => {
 221         ostype => "ubuntu-22.04",
 222         origin => 'ubuntu',
 223     },
 224     'kinetic' => {
 225         ostype => "ubuntu-22.10",
 226         origin => 'ubuntu',
 227     },
 228 };
 229
 230 sub get_suite_info {
 231     my ($suite) = @_;
 232
 233     my $suiteinfo = $supported_suites->{$suite} || die "unsupported suite '$suite'!\n";
 234
 235     # set defaults
 236     $suiteinfo->{origin} //= 'debian';
 237     $suiteinfo->{suite} //= $suite;
 238
 239     $suiteinfo->{flags} //= {};
 240     if ($suiteinfo->{ostype} =~ /^devuan/) {
 241         $suiteinfo->{flags}->{systemd} //= 0;
 242     } else {
 243         $suiteinfo->{flags}->{systemd} //= 1;
 244     }
 245
 246     return $suiteinfo;
 247 }
 248
 249 sub download {
 250     my ($self, $url, $path) = @_;
 251     my $tmpfn = "$path.tmp$$";
 252
 253     $self->logmsg ("download: $url\n");
 254
 255     eval { $self->run_command ("wget -q '$url'  -O '$tmpfn'") };
 256     if (my $err = $@) {
 257         unlink $tmpfn;
 258         die $err;
 259     }
 260
 261     rename ($tmpfn, $path);
 262 }
 263
 264 sub write_file {
 265     my ($data, $file, $perm) = @_;
 266
 267     die "no filename" if !$file;
 268
 269     unlink $file;
 270
 271     my $fh = IO::File->new ($file, O_WRONLY | O_CREAT, $perm) ||
 272         die "unable to open file '$file'";
 273
 274     print $fh $data;
 275
 276     $fh->close;
 277 }
 278
 279 sub read_file {
 280     my ($file) = @_;
 281
 282     die "no filename" if !$file;
 283
 284     my $fh = IO::File->new ($file) ||
 285         die "unable to open file '$file'";
 286
 287     local $/; # slurp mode
 288
 289     my $data = <$fh>;
 290
 291     $fh->close;
 292
 293     return $data;
 294 }
 295
 296 sub read_config {
 297     my ($filename) = @_;
 298
 299     my $res = {};
 300
 301     my $fh = IO::File->new ("<$filename") || return $res;
 302     my $rec = '';
 303
 304     while (defined (my $line = <$fh>)) {
 305         next if $line =~ m/^\#/;
 306         next if $line =~ m/^\s*$/;
 307         $rec .= $line;
 308     };
 309
 310     close ($fh);
 311
 312     chomp $rec;
 313     $rec .= "\n";
 314
 315     while ($rec) {
 316         if ($rec =~ s/^Description:\s*([^\n]*)(\n\s+.*)*$//si) {
 317             $res->{headline} = $1;
 318             chomp $res->{headline};
 319             my $long = $2;
 320             $long =~ s/^\s+/ /;
 321             $res->{description} = $long;
 322             chomp $res->{description};
 323         } elsif ($rec =~ s/^([^:]+):\s*(.*\S)\s*\n//) {
 324             my ($key, $value) = (lc ($1), $2);
 325             if ($key eq 'source' || $key eq 'mirror') {
 326                 push @{$res->{$key}}, $value;
 327             } else {
 328                 die "duplicate key '$key'\n" if defined ($res->{$key});
 329                 $res->{$key} = $value;
 330             }
 331         } else {
 332             die "unable to parse config file: $rec";
 333         }
 334     }
 335
 336     die "unable to parse config file" if $rec;
 337
 338     return $res;
 339 }
 340
 341 sub run_command {
 342     my ($self, $cmd, $input, $getoutput) = @_;
 343
 344     my $reader = IO::File->new();
 345     my $writer = IO::File->new();
 346     my $error  = IO::File->new();
 347
 348     my $orig_pid = $$;
 349
 350     my $cmdstr = ref ($cmd) eq 'ARRAY' ? join (' ', @$cmd) : $cmd;
 351
 352     my $pid;
 353     eval {
 354         if (ref ($cmd) eq 'ARRAY') {
 355             $pid = open3 ($writer, $reader, $error, @$cmd) || die $!;
 356         } else {
 357             $pid = open3 ($writer, $reader, $error, $cmdstr) || die $!;
 358         }
 359     };
 360
 361     my $err = $@;
 362
 363     # catch exec errors
 364     if ($orig_pid != $$) {
 365         $self->logmsg ("ERROR: command '$cmdstr' failed - fork failed\n");
 366         POSIX::_exit (1);
 367         kill ('KILL', $$);
 368     }
 369
 370     die $err if $err;
 371
 372     print $writer $input if defined $input;
 373     close $writer;
 374
 375     my $select = IO::Select->new();
 376     $select->add ($reader);
 377     $select->add ($error);
 378
 379     my $res = '';
 380     my $logfd = $self->{logfd};
 381
 382     while ($select->count) {
 383         my @handles = $select->can_read ();
 384
 385         foreach my $h (@handles) {
 386             my $buf = '';
 387             my $count = sysread ($h, $buf, 4096);
 388             if (!defined ($count)) {
 389                 waitpid ($pid, 0);
 390                 die "command '$cmdstr' failed: $!";
 391             }
 392             $select->remove ($h) if !$count;
 393
 394             print $logfd $buf;
 395
 396             $res .= $buf if $getoutput;
 397         }
 398     }
 399
 400     waitpid ($pid, 0);
 401     my $ec = ($? >> 8);
 402
 403     die "command '$cmdstr' failed with exit code $ec\n" if $ec;
 404
 405     return $res;
 406 }
 407
 408 sub logmsg {
 409     my $self = shift;
 410     print STDERR @_;
 411     $self->writelog (@_);
 412 }
 413
 414 sub writelog {
 415     my $self = shift;
 416     my $fd = $self->{logfd};
 417     print $fd @_;
 418 }
 419
 420 sub __sample_config {
 421     my ($self) = @_;
 422
 423     my $data = '';
 424     my $arch = $self->{config}->{architecture};
 425
 426     my $ostype = $self->{config}->{ostype};
 427
 428     if ($ostype =~ m/^de(bi|vu)an-/) {
 429         $data .= "lxc.include = /usr/share/lxc/config/debian.common.conf\n";
 430     } elsif ($ostype =~ m/^ubuntu-/) {
 431         $data .= "lxc.include = /usr/share/lxc/config/ubuntu.common.conf\n";
 432     } else {
 433         die "unknown os type '$ostype'\n";
 434     }
 435     $data .= "lxc.uts.name = localhost\n";
 436     $data .= "lxc.rootfs.path = $self->{rootfs}\n";
 437
 438     return $data;
 439 }
 440
 441 sub __allocate_ve {
 442     my ($self) = @_;
 443
 444     my $cid;
 445     if (my $fd = IO::File->new (".veid")) {
 446         $cid = <$fd>;
 447         chomp $cid;
 448         close ($fd);
 449     }
 450
 451
 452     $self->{working_dir} = getcwd;
 453     $self->{veconffile} = "$self->{working_dir}/config";
 454     $self->{rootfs} = "$self->{working_dir}/rootfs";
 455
 456     if ($cid) {
 457         $self->{veid} = $cid;
 458         return $cid;
 459     }
 460
 461     my $uuid;
 462     my $uuid_str;
 463     UUID::generate($uuid);
 464     UUID::unparse($uuid, $uuid_str);
 465     $self->{veid} = $uuid_str;
 466
 467     my $fd = IO::File->new (">.veid") ||
 468         die "unable to write '.veid'\n";
 469     print $fd "$self->{veid}\n";
 470     close ($fd);
 471
 472     my $cdata = $self->__sample_config();
 473
 474     my $fh = IO::File->new ($self->{veconffile}, O_WRONLY|O_CREAT|O_EXCL) ||
 475         die "unable to write lxc config file '$self->{veconffile}' - $!";
 476     print $fh $cdata;
 477     close ($fh);
 478
 479     mkdir $self->{rootfs} || die "unable to create rootfs - $!";
 480
 481     $self->logmsg ("allocated VE $self->{veid}\n");
 482
 483     return $self->{veid};
 484 }
 485
 486 # just use some simple heuristic for now, merge usr for releases newer than ubuntu 21.x or debian 11
 487 sub can_usr_merge {
 488     my ($self) = @_;
 489
 490     my $ostype = $self->{config}->{ostype};
 491
 492     # FIXME: add configuration override posibillity
 493
 494     if ($ostype =~ m/^debian-(\d+)/) {
 495         return int($1) >= 11;
 496     } elsif ($ostype =~ m/^ubuntu-(\d+)/) {
 497         return int($1) >= 21;
 498     }
 499     return; # false
 500 }
 501
 502 sub setup_usr_merge {
 503     my ($self) = @_;
 504
 505     my $rootfs = $self->{rootfs};
 506     my $arch = $self->{config}->{architecture};
 507
 508     # similar to https://salsa.debian.org/installer-team/debootstrap/-/blob/master/functions#L1354
 509     my @merged_dirs = qw(bin sbin lib);
 510
 511     if ($arch eq 'amd64') {
 512         push @merged_dirs, qw(lib32 lib64 libx32);
 513     } elsif ($arch eq 'i386') {
 514         push @merged_dirs, qw(lib64 libx32);
 515     }
 516
 517     $self->logmsg ("setup usr-merge symlinks for '" . join("', '", @merged_dirs) . "'\n");
 518
 519     for my $dir (@merged_dirs) {
 520         symlink("usr/$dir", "$rootfs/$dir") or warn "could not create symlink - $!\n";
 521         mkpath "$rootfs/usr/$dir";
 522     }
 523 }
 524
 525 sub get_target_name {
 526     my ($config) = @_;
 527
 528     my $name = $config->{name} || die "no 'name' specified\n";
 529     $name =~ m/^[a-z][0-9a-z\-\*\.]+$/ || die "illegal characters in name '$name'\n";
 530
 531     my ($version, $arch, $ostype) = $config->@{'version', 'architecture', 'ostype'};
 532     $name = "${ostype}-${name}" if $name !~ m/^$ostype/;
 533
 534     return "${name}_${version}_${arch}"
 535 }
 536
 537 sub new {
 538     my ($class, $config) = @_;
 539
 540     $class = ref ($class) || $class;
 541     $config = read_config ('dab.conf') if !$config;
 542
 543     my $self = {
 544         config => $config,
 545     };
 546     bless $self, $class;
 547
 548     $self->{logfile} = "logfile";
 549     $self->{logfd} = IO::File->new (">>$self->{logfile}") || die "unable to open log file";
 550
 551     my $arch = $config->{architecture} || die "no 'architecture' specified\n";
 552     die "unsupported architecture '$arch'\n" if $arch !~ m/^(i386|amd64)$/;
 553
 554     my $suite = $config->{suite} || die "no 'suite' specified\n";
 555
 556     my $suiteinfo = get_suite_info($suite);
 557     $suite = $suiteinfo->{suite};
 558     $config->{ostype} = $suiteinfo->{ostype};
 559
 560     # assert required dab.conf keys exist
 561     for my $key (qw(version section headline maintainer)) {
 562         die "no '$key' specified\n" if !$config->{$key};
 563     }
 564
 565     $self->{targetname} = get_target_name($config);
 566
 567     if (!$config->{source}) {
 568         if (lc($suiteinfo->{origin}) eq 'debian') {
 569             if ($suite eq 'etch' || $suite eq 'lenny') {
 570                 push @{$config->{source}}, (
 571                     'http://ftp.debian.org/debian SUITE main contrib',
 572                     'http://security.debian.org SUITE/updates main contrib',
 573                 );
 574             } elsif ($suite =~ /^(?:bullseye|bookworm|trixie|forky)$/) {
 575                 push @{$config->{source}}, (
 576                     "http://deb.debian.org/debian SUITE main contrib",
 577                     "http://deb.debian.org/debian SUITE-updates main contrib",
 578                     "http://security.debian.org SUITE-security main contrib",
 579                 );
 580             } else {
 581                 push @{$config->{source}}, (
 582                     "http://ftp.debian.org/debian SUITE main contrib",
 583                     "http://ftp.debian.org/debian SUITE-updates main contrib",
 584                     "http://security.debian.org SUITE/updates main contrib",
 585                 );
 586             }
 587         } elsif (lc($suiteinfo->{origin}) eq 'ubuntu') {
 588             my $comp = "main restricted universe multiverse";
 589             push @{$config->{source}}, (
 590                 "http://archive.ubuntu.com/ubuntu SUITE $comp",
 591                 "http://archive.ubuntu.com/ubuntu SUITE-updates $comp",
 592                 "http://archive.ubuntu.com/ubuntu SUITE-security $comp",
 593             );
 594         } else {
 595             die "implement me";
 596         }
 597     }
 598
 599     my $sources = undef;
 600
 601     foreach my $s (@{$config->{source}}) {
 602         if ($s =~ m@^\s*((https?|ftp)://\S+)\s+(\S+)((\s+(\S+))+)$@) {
 603             my ($url, $su, $components) = ($1, $3, $4);
 604             $su =~ s/SUITE/$suite/;
 605             $components =~ s/^\s+//;
 606             $components =~ s/\s+$//;
 607             my $ca;
 608             foreach my $co (split (/\s+/, $components)) {
 609                 push @$ca, $co;
 610             }
 611             $ca = ['main'] if !$ca;
 612
 613             push @$sources, {
 614                 source => $url,
 615                 comp => $ca,
 616                 suite => $su,
 617             };
 618         } else {
 619             die "syntax error in source spezification '$s'\n";
 620         }
 621     }
 622
 623     foreach my $m (@{$config->{mirror}}) {
 624         if ($m =~ m@^\s*((https?|ftp)://\S+)\s*=>\s*((https?|ftp)://\S+)\s*$@) {
 625             my ($ms, $md) = ($1, $3);
 626             my $found;
 627             foreach my $ss (@$sources) {
 628                 if ($ss->{source} eq $ms) {
 629                     $found = 1;
 630                     $ss->{mirror} = $md;
 631                     last;
 632                 }
 633             }
 634             die "unusable mirror $ms\n" if !$found;
 635         } else {
 636             die "syntax error in mirror spezification '$m'\n";
 637         }
 638     }
 639     $self->{sources} = $sources;
 640     $self->{infodir} = "info";
 641
 642     $self->__allocate_ve();
 643
 644     $self->{cachedir} = ($config->{cachedir} || 'cache')  . "/$suite";;
 645
 646     my $incl = [qw (less ssh openssh-server logrotate)];
 647     my $excl = [qw (modutils reiserfsprogs ppp pppconfig pppoe pppoeconf nfs-common mtools ntp)];
 648
 649     # ubuntu has too many dependencies on udev, so we cannot exclude it (instead we disable udevd)
 650     if (lc($suiteinfo->{origin}) eq 'ubuntu' && $suiteinfo->{flags}->{systemd}) {
 651         push @$incl, 'isc-dhcp-client';
 652         push @$excl, qw(libmodule-build-perl libdrm-common libdrm2 libplymouth5 plymouth plymouth-theme-ubuntu-text powermgmt-base);
 653         if ($suite eq 'jammy') {
 654             push @$excl, qw(fuse); # avoid fuse2 <-> fuse3 conflict
 655         }
 656     } elsif ($suite eq 'trusty') {
 657         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+);
 658    } elsif ($suite eq 'precise') {
 659         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+ ubuntu-standard);
 660     } elsif ($suite eq 'hardy') {
 661         push @$excl, qw(kbd);
 662         push @$excl, qw(apparmor apparmor-utils ntfs-3g friendly-recovery);
 663     } elsif ($suite eq 'intrepid' || $suite eq 'jaunty') {
 664         push @$excl, qw(apparmor apparmor-utils libapparmor1 libapparmor-perl libntfs-3g28);
 665         push @$excl, qw(ntfs-3g friendly-recovery);
 666     } elsif ($suite eq 'jessie') {
 667         push @$incl, 'sysvinit-core'; # avoid systemd and udev
 668         push @$incl, 'libperl4-corelibs-perl'; # to make lsof happy
 669         push @$excl, qw(systemd systemd-sysv udev module-init-tools pciutils hdparm memtest86+ parted);
 670     } elsif ($suite eq 'stretch' || $suite eq 'buster' || $suite eq 'bullseye' || $suite eq 'bookworm') {
 671         push @$excl, qw(module-init-tools pciutils hdparm memtest86+ parted);
 672      } else {
 673         push @$excl, qw(udev module-init-tools pciutils hdparm memtest86+ parted);
 674     }
 675
 676     $self->{incl} = $incl;
 677     $self->{excl} = $excl;
 678
 679     return $self;
 680 }
 681
 682 sub initialize {
 683     my ($self) = @_;
 684
 685     my $infodir = $self->{infodir};
 686     my $arch = $self->{config}->{architecture};
 687
 688     rmtree $infodir;
 689     mkpath $infodir;
 690
 691     # truncate log
 692     my $logfd = $self->{logfd} = IO::File->new (">$self->{logfile}") ||
 693         die "unable to open log file";
 694
 695     my $COMPRESSORS = [
 696         {
 697             ext => 'xz',
 698             decomp => 'xz -d',
 699         },
 700         {
 701             ext => 'gz',
 702             decomp => 'gzip -d',
 703         },
 704     ];
 705
 706     foreach my $ss (@{$self->{sources}}) {
 707         my $src = $ss->{mirror} || $ss->{source};
 708         my $path = "dists/$ss->{suite}/Release";
 709         my $url = "$src/$path";
 710         my $target = __url_to_filename ("$ss->{source}/$path");
 711         eval {
 712             $self->download ($url, "$infodir/$target");
 713             $self->download ("$url.gpg", "$infodir/$target.gpg");
 714             # fixme: impl. verify (needs --keyring option)
 715         };
 716         if (my $err = $@) {
 717             print $logfd $@;
 718             warn "Release info ignored\n";
 719         };
 720
 721         foreach my $comp (@{$ss->{comp}}) {
 722             foreach my $compressor (@$COMPRESSORS) {
 723                 $path = "dists/$ss->{suite}/$comp/binary-$arch/Packages.$compressor->{ext}";
 724                 $target = "$infodir/" . __url_to_filename ("$ss->{source}/$path");
 725                 my $pkgsrc = "$src/$path";
 726                 eval {
 727                     $self->download ($pkgsrc, $target);
 728                     $self->run_command ("$compressor->{decomp} '$target'");
 729                 };
 730                 if (my $err = $@) {
 731                     print $logfd "could not download Packages.$compressor->{ext}\n";
 732                 } else {
 733                     last;
 734                 }
 735             }
 736         }
 737     }
 738 }
 739
 740 sub write_config {
 741     my ($self, $filename, $size) = @_;
 742
 743     my $config = $self->{config};
 744
 745     my $data = '';
 746
 747     $data .= "Name: $config->{name}\n";
 748     $data .= "Version: $config->{version}\n";
 749     $data .= "Type: lxc\n";
 750     $data .= "OS: $config->{ostype}\n";
 751     $data .= "Section: $config->{section}\n";
 752     $data .= "Maintainer: $config->{maintainer}\n";
 753     $data .= "Architecture: $config->{architecture}\n";
 754     $data .= "Installed-Size: $size\n";
 755
 756     # optional
 757     $data .= "Infopage: $config->{infopage}\n" if $config->{infopage};
 758     $data .= "ManageUrl: $config->{manageurl}\n" if $config->{manageurl};
 759     $data .= "Certified: $config->{certified}\n" if $config->{certified};
 760
 761     # description
 762     $data .= "Description: $config->{headline}\n";
 763     $data .= "$config->{description}\n" if $config->{description};
 764
 765     write_file ($data, $filename, 0644);
 766 }
 767
 768 sub finalize {
 769     my ($self, $opts) = @_;
 770
 771     my $suite = $self->{config}->{suite};
 772     my $infodir = $self->{infodir};
 773     my $arch = $self->{config}->{architecture};
 774
 775     my $instpkgs = $self->read_installed ();
 776     my $pkginfo = $self->pkginfo();
 777     my $veid = $self->{veid};
 778     my $conffile = $self->{veconffile};
 779     my $rootdir = $self->{rootfs};
 780
 781     my $vestat = $self->ve_status();
 782     die "ve not running - unable to finalize\n" if !$vestat->{running};
 783
 784     # cleanup mysqld
 785     if (-f "$rootdir/etc/init.d/mysql") {
 786         $self->ve_command ("/etc/init.d/mysql stop");
 787     }
 788
 789     if (!($opts->{keepmycnf} || (-f "$rootdir/etc/init.d/mysql_randompw"))) {
 790         unlink "$rootdir/root/.my.cnf";
 791     }
 792
 793     if ($suite eq 'etch') {
 794         # enable apache2 startup
 795         if ($instpkgs->{apache2}) {
 796             write_file ("NO_START=0\n", "$rootdir/etc/default/apache2");
 797         } else {
 798             unlink "$rootdir/etc/default/apache2";
 799         }
 800     }
 801     $self->logmsg ("cleanup package status\n");
 802     # prevent auto selection of all standard, required or important
 803     # packages which are not installed
 804     foreach my $pkg (keys %$pkginfo) {
 805         my $pri = $pkginfo->{$pkg}->{priority};
 806         if ($pri && ($pri eq 'required' || $pri eq 'important'
 807                      || $pri eq 'standard')) {
 808             if (!$instpkgs->{$pkg}) {
 809                 $self->ve_dpkg_set_selection ($pkg, 'purge');
 810             }
 811         }
 812     }
 813
 814     $self->ve_command ("apt-get clean");
 815
 816     $self->logmsg ("update available package list\n");
 817
 818     $self->ve_command ("dpkg --clear-avail");
 819     foreach my $ss (@{$self->{sources}}) {
 820         my $relsrc = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/Release");
 821         if (-f "$infodir/$relsrc" && -f "$infodir/$relsrc.gpg") {
 822             $self->run_command ("cp '$infodir/$relsrc' '$rootdir/var/lib/apt/lists/$relsrc'");
 823             $self->run_command ("cp '$infodir/$relsrc.gpg' '$rootdir/var/lib/apt/lists/$relsrc.gpg'");
 824         }
 825         foreach my $comp (@{$ss->{comp}}) {
 826             my $src = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/" .
 827                                          "$comp/binary-$arch/Packages");
 828             my $target = "/var/lib/apt/lists/$src";
 829             $self->run_command ("cp '$infodir/$src' '$rootdir/$target'");
 830             $self->ve_command ("dpkg --merge-avail '$target'");
 831         }
 832     }
 833
 834     # set dselect default method
 835     write_file ("apt apt\n", "$rootdir/var/lib/dpkg/cmethopt");
 836
 837     $self->ve_divert_remove ("/usr/sbin/policy-rc.d");
 838
 839     $self->ve_divert_remove ("/sbin/start-stop-daemon");
 840
 841     $self->ve_divert_remove ("/sbin/init");
 842
 843     # finally stop the VE
 844     $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 845
 846     unlink "$rootdir/sbin/defenv";
 847     unlink <$rootdir/root/dead.letter*>;
 848     unlink "$rootdir/var/log/init.log";
 849     unlink "$rootdir/aquota.group", "$rootdir/aquota.user";
 850
 851     write_file ("", "$rootdir/var/log/syslog");
 852
 853     my $get_path_size = sub {
 854         my ($path) = @_;
 855         my $sizestr = $self->run_command ("du -sm $path", undef, 1);
 856         if ($sizestr =~ m/^(\d+)\s+\Q$path\E$/) {
 857             return int($1);
 858         } else {
 859             die "unable to detect size for '$path'\n";
 860         }
 861     };
 862
 863     $self->logmsg ("detecting final appliance size: ");
 864     my $size = $get_path_size->($rootdir);
 865     $self->logmsg ("$size MB\n");
 866
 867     $self->write_config ("$rootdir/etc/appliance.info", $size);
 868
 869     $self->logmsg ("creating final appliance archive\n");
 870
 871     my $target = "$self->{targetname}.tar";
 872
 873     my $compressor = $opts->{compressor} // 'gz';
 874     my $compressor2cmd_map = {
 875         gz => 'gzip',
 876         gzip => 'gzip',
 877         zst => 'zstd --rm -9',
 878         zstd => 'zstd --rm -9',
 879         'zstd-max' => 'zstd --rm -19 -T0', # maximal level where the decompressor can still run efficiently
 880     };
 881     my $compressor2ending = {
 882         gzip => 'gz',
 883         zstd => 'zst',
 884         'zstd-max' => 'zst',
 885     };
 886     my $compressor_cmd = $compressor2cmd_map->{$compressor};
 887     die "unkown compressor '$compressor', use one of: ". join(', ', sort keys %$compressor2cmd_map)
 888         if !defined($compressor_cmd);
 889
 890     my $ending = $compressor2ending->{$compressor} // $compressor;
 891     my $final_archive = "${target}.${ending}";
 892     unlink $target;
 893     unlink $final_archive;
 894
 895     $self->run_command ("tar cpf $target --numeric-owner -C '$rootdir' ./etc/appliance.info");
 896     $self->run_command ("tar rpf $target --numeric-owner -C '$rootdir' --exclude ./etc/appliance.info .");
 897     $self->run_command ("$compressor_cmd $target");
 898
 899     $self->logmsg ("detecting final commpressed appliance size: ");
 900     $size = $get_path_size->($final_archive);
 901     $self->logmsg ("$size MB\n");
 902
 903     $self->logmsg ("appliance archive: $final_archive\n");
 904 }
 905
 906 sub read_installed {
 907     my ($self) = @_;
 908
 909     my $rootdir = $self->{rootfs};
 910
 911     my $pkgfilelist = "$rootdir/var/lib/dpkg/status";
 912     local $/ = '';
 913     open(my $PKGLST, '<', $pkgfilelist) or die "unable to open '$pkgfilelist' - $!";
 914
 915     my $pkglist = {};
 916
 917     while (my $rec = <$PKGLST>) {
 918         chomp $rec;
 919         $rec =~ s/\n\s+/ /g;
 920         $rec .= "\n";
 921         my $res = {};
 922
 923         while ($rec =~ s/^([^:]+):\s+(.*?)\s*\n//) {
 924             $res->{lc $1} = $2;
 925         }
 926
 927         my $pkg = $res->{'package'};
 928         if (my $status = $res->{status}) {
 929             my @sa = split (/\s+/, $status);
 930             my $stat = $sa[0];
 931             if ($stat && ($stat ne 'purge')) {
 932                 $pkglist->{$pkg} = $res;
 933             }
 934         }
 935     }
 936
 937     close ($PKGLST);
 938
 939     return $pkglist;
 940 }
 941
 942 sub ve_status {
 943     my ($self) = @_;
 944
 945     my $veid = $self->{veid};
 946
 947     my $res = { running => 0 };
 948
 949     $res->{exist} = 1 if -d "$self->{rootfs}/usr";
 950
 951     my $filename = "/proc/net/unix";
 952
 953     # similar test is used by lcxcontainers.c: list_active_containers
 954     my $fh = IO::File->new ($filename, "r");
 955     return $res if !$fh;
 956
 957     while (defined(my $line = <$fh>)) {
 958         if ($line =~ m/^[a-f0-9]+:\s\S+\s\S+\s\S+\s\S+\s\S+\s\d+\s(\S+)$/) {
 959             my $path = $1;
 960             if ($path =~ m!^@/\S+/$veid/command$!) {
 961                 $res->{running} = 1;
 962             }
 963         }
 964     }
 965     close($fh);
 966
 967     return $res;
 968 }
 969
 970 sub ve_command {
 971     my ($self, $cmd, $input) = @_;
 972
 973     my $veid = $self->{veid};
 974     my $conffile = $self->{veconffile};
 975
 976     if (ref ($cmd) eq 'ARRAY') {
 977         unshift @$cmd, 'lxc-attach', '-n', $veid, '--rcfile', $conffile, '--clear-env', '--', 'defenv';
 978         $self->run_command($cmd, $input);
 979     } else {
 980         $self->run_command("lxc-attach -n $veid --rcfile $conffile --clear-env -- defenv $cmd", $input);
 981     }
 982 }
 983
 984 # like ve_command, but pipes stdin correctly
 985 sub ve_exec {
 986     my ($self, @cmd) = @_;
 987
 988     my $veid = $self->{veid};
 989     my $conffile = $self->{veconffile};
 990
 991     my $reader;
 992     my $pid = open2($reader, "<&STDIN", 'lxc-attach', '-n', $veid,  '--rcfile', $conffile, '--',
 993                     'defenv', @cmd) || die "unable to exec command";
 994
 995     while (defined (my $line = <$reader>)) {
 996         $self->logmsg ($line);
 997     }
 998
 999     waitpid ($pid, 0);
1000     my $rc = $? >> 8;
1001
1002     die "ve_exec failed - status $rc\n" if $rc != 0;
1003 }
1004
1005 sub ve_divert_add {
1006     my ($self, $filename) = @_;
1007
1008     $self->ve_command ("dpkg-divert --add --divert '$filename.distrib' " .
1009                        "--rename '$filename'");
1010 }
1011 sub ve_divert_remove {
1012     my ($self, $filename) = @_;
1013
1014     my $rootdir = $self->{rootfs};
1015
1016     unlink "$rootdir/$filename";
1017     $self->ve_command ("dpkg-divert --remove --rename '$filename'");
1018 }
1019
1020 sub ve_debconfig_set {
1021     my ($self, $dcdata) = @_;
1022
1023     my $rootdir = $self->{rootfs};
1024     my $cfgfile = "/tmp/debconf.txt";
1025     write_file ($dcdata, "$rootdir/$cfgfile");
1026     $self->ve_command ("debconf-set-selections $cfgfile");
1027     unlink "$rootdir/$cfgfile";
1028 }
1029
1030 sub ve_dpkg_set_selection {
1031     my ($self, $pkg, $status) = @_;
1032
1033     $self->ve_command ("dpkg --set-selections", "$pkg $status");
1034 }
1035
1036 sub ve_dpkg {
1037     my ($self, $cmd, @pkglist) = @_;
1038
1039     return if !scalar (@pkglist);
1040
1041     my $pkginfo = $self->pkginfo();
1042
1043     my $rootdir = $self->{rootfs};
1044     my $cachedir = $self->{cachedir};
1045
1046     my @files;
1047
1048     foreach my $pkg (@pkglist) {
1049         my $filename = $self->getpkgfile ($pkg);
1050         $self->run_command ("cp '$cachedir/$filename' '$rootdir/$filename'");
1051         push @files, "/$filename";
1052         $self->logmsg ("$cmd: $pkg\n");
1053     }
1054
1055     my $fl = join (' ', @files);
1056
1057     if ($cmd eq 'install') {
1058         $self->ve_command ("dpkg --force-depends --force-confold --install $fl");
1059     } elsif ($cmd eq 'unpack') {
1060         $self->ve_command ("dpkg --force-depends --unpack $fl");
1061     } else {
1062         die "internal error";
1063     }
1064
1065     foreach my $fn (@files) { unlink "$rootdir$fn"; }
1066 }
1067
1068 sub ve_destroy {
1069     my ($self) = @_;
1070
1071     my $veid = $self->{veid}; # fixme
1072     my $conffile = $self->{veconffile};
1073
1074     my $vestat = $self->ve_status();
1075     if ($vestat->{running}) {
1076         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
1077     }
1078
1079     rmtree $self->{rootfs};
1080     unlink $self->{veconffile};
1081 }
1082
1083 sub ve_init {
1084     my ($self) = @_;
1085
1086     my $veid = $self->{veid};
1087     my $conffile = $self->{veconffile};
1088
1089     $self->logmsg ("initialize VE $veid\n");
1090
1091     my $vestat = $self->ve_status();
1092     if ($vestat->{running}) {
1093         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
1094     }
1095
1096     rmtree $self->{rootfs};
1097     mkpath $self->{rootfs};
1098 }
1099
1100 sub __deb_version_cmp {
1101     my ($cur, $op, $new) = @_;
1102
1103     if (system("dpkg", "--compare-versions", $cur, $op, $new) == 0) {
1104         return 1;
1105     }
1106
1107     return 0;
1108 }
1109
1110 sub __parse_packages {
1111     my ($pkginfo, $filename, $src) = @_;
1112
1113     local $/ = '';
1114     open(my $PKGLST, '<', $filename) or die "unable to open '$filename' - $!";
1115
1116     while (my $rec = <$PKGLST>) {
1117         $rec =~ s/\n\s+/ /g;
1118         chomp $rec;
1119         $rec .= "\n";
1120
1121         my $res = {};
1122
1123         while ($rec =~ s/^([^:]+):\s+(.*?)\s*\n//) {
1124             $res->{lc $1} = $2;
1125         }
1126
1127         my $pkg = $res->{'package'};
1128         if ($pkg && $res->{'filename'}) {
1129             my $cur;
1130             if (my $info = $pkginfo->{$pkg}) {
1131                 $cur = $info->{version};
1132             }
1133             my $new = $res->{version};
1134             if (!$cur || __deb_version_cmp ($cur, 'lt', $new)) {
1135                 if ($src) {
1136                     $res->{url} = "$src/$res->{'filename'}";
1137                 } else {
1138                     die "no url for package '$pkg'" if !$res->{url};
1139                 }
1140                 $pkginfo->{$pkg} = $res;
1141             }
1142         }
1143     }
1144
1145     close ($PKGLST);
1146 }
1147
1148 sub pkginfo {
1149     my ($self) = @_;
1150
1151     return $self->{pkginfo} if $self->{pkginfo};
1152
1153     my $infodir = $self->{infodir};
1154     my $arch = $self->{config}->{architecture};
1155
1156     my $availfn = "$infodir/available";
1157
1158     my $pkginfo = {};
1159     my $pkgcount = 0;
1160
1161     # reading 'available' is faster, because it only contains latest version
1162     # (no need to do slow version compares)
1163     if (-f $availfn) {
1164             __parse_packages ($pkginfo, $availfn);
1165             $self->{pkginfo} = $pkginfo;
1166             return $pkginfo;
1167     }
1168
1169     $self->logmsg ("generating available package list\n");
1170
1171     foreach my $ss (@{$self->{sources}}) {
1172         foreach my $comp (@{$ss->{comp}}) {
1173             my $url = "$ss->{source}/dists/$ss->{suite}/$comp/binary-$arch/Packages";
1174             my $pkgfilelist = "$infodir/" . __url_to_filename ($url);
1175
1176             my $src = $ss->{mirror} || $ss->{source};
1177
1178             __parse_packages ($pkginfo, $pkgfilelist, $src);
1179         }
1180     }
1181
1182     if (my $dep = $self->{config}->{depends}) {
1183         foreach my $d (split (/,/, $dep)) {
1184             if ($d =~ m/^\s*(\S+)\s*(\((\S+)\s+(\S+)\)\s*)?$/) {
1185                 my ($pkg, $op, $rver) = ($1, $3, $4);
1186                 $self->logmsg ("checking dependencies: $d\n");
1187                 my $info = $pkginfo->{$pkg};
1188                 die "package '$pkg' not available\n" if !$info;
1189                 if ($op) {
1190                     my $cver = $info->{version};
1191                     if (!__deb_version_cmp ($cver, $op, $rver)) {
1192                         die "detected wrong version '$cver'\n";
1193                     }
1194                 }
1195             } else {
1196                 die "syntax error in depends field";
1197             }
1198         }
1199     }
1200
1201     $self->{pkginfo} = $pkginfo;
1202
1203     my $tmpfn = "$availfn.tmp$$";
1204     my $fd = IO::File->new (">$tmpfn");
1205     foreach my $pkg (sort keys %$pkginfo) {
1206         my $info = $pkginfo->{$pkg};
1207         print $fd "package: $pkg\n";
1208         foreach my $k (sort keys %$info) {
1209             next if $k eq 'description';
1210             next if $k eq 'package';
1211             my $v = $info->{$k};
1212             print $fd "$k: $v\n" if $v;
1213         }
1214         print $fd "description: $info->{description}\n" if $info->{description};
1215         print $fd "\n";
1216     }
1217     close ($fd);
1218
1219     rename ($tmpfn, $availfn);
1220
1221     return $pkginfo;
1222 }
1223
1224 sub __record_provides {
1225     my ($pkginfo, $closure, $list, $skipself) = @_;
1226
1227     foreach my $pname (@$list) {
1228         my $info = $pkginfo->{$pname};
1229         # fixme: if someone install packages directly using dpkg, there
1230         # is no entry in 'available', only in 'status'. In that case, we
1231         # should extract info from $instpkgs
1232         if (!$info) {
1233             warn "hint: ignoring provides for '$pname' - package not in 'available' list.\n";
1234             next;
1235         }
1236         if (my $prov = $info->{provides}) {
1237             my @pl = split (',', $prov);
1238             foreach my $p (@pl) {
1239                 $p =~ m/\s*(\S+)/;
1240                 if (!($skipself && (grep { $1 eq $_ } @$list))) {
1241                     $closure->{$1} = 1;
1242                 }
1243             }
1244         }
1245         $closure->{$pname} = 1 if !$skipself;
1246     }
1247 }
1248
1249 sub closure {
1250     my ($self, $closure, $list) = @_;
1251
1252     my $pkginfo = $self->pkginfo();
1253
1254     # first, record provided packages
1255     __record_provides ($pkginfo, $closure, $list, 1);
1256
1257     my $pkghash = {};
1258     my $pkglist = [];
1259
1260     # then resolve dependencies
1261     foreach my $pname (@$list) {
1262         __closure_single ($pkginfo, $closure, $pkghash, $pkglist, $pname, $self->{excl});
1263     }
1264
1265     return $pkglist;
1266 }
1267
1268 sub __closure_single {
1269     my ($pkginfo, $closure, $pkghash, $pkglist, $pname, $excl) = @_;
1270
1271     $pname =~ s/^\s+//;
1272     $pname =~ s/\s+$//;
1273     $pname =~ s/:any$//;
1274
1275     return if $closure->{$pname};
1276
1277     my $info = $pkginfo->{$pname} || die "no such package '$pname'";
1278
1279     my $dep = $info->{depends};
1280     my $predep = $info->{'pre-depends'};
1281
1282     my $size = $info->{size};
1283     my $url = $info->{url};
1284
1285     $url || die "$pname: no url for package '$pname'";
1286
1287     if (!$pkghash->{$pname}) {
1288         unshift @$pkglist, $pname;
1289         $pkghash->{$pname} = 1;
1290     }
1291
1292     __record_provides ($pkginfo, $closure, [$pname]) if $info->{provides};
1293
1294     $closure->{$pname} = 1;
1295
1296     #print "$url\n";
1297
1298     my @l;
1299
1300     push  @l, split (/,/, $predep) if $predep;
1301     push  @l, split (/,/, $dep) if $dep;
1302
1303   DEPEND: foreach my $p (@l) {
1304       my @l1 = split (/\|/, $p);
1305       foreach my $p1 (@l1) {
1306           if ($p1 =~ m/^\s*(\S+).*/) {
1307               #printf (STDERR "$pname: $p --> $1\n");
1308               if ($closure->{$1}) {
1309                   next DEPEND; # dependency already met
1310               }
1311           }
1312       }
1313       # search for non-excluded alternative
1314       my $found;
1315       foreach my $p1 (@l1) {
1316           if ($p1 =~ m/^\s*(\S+).*/) {
1317               next if grep { $1 eq $_ } @$excl;
1318               $found = $1;
1319               last;
1320           }
1321       }
1322       die "package '$pname' depends on exclusion '$p'\n" if !$found;
1323
1324       #printf (STDERR "$pname: $p --> $found\n");
1325
1326       __closure_single ($pkginfo, $closure, $pkghash, $pkglist, $found, $excl);
1327   }
1328 }
1329
1330 sub cache_packages {
1331     my ($self, $pkglist) = @_;
1332
1333     foreach my $pkg (@$pkglist) {
1334         $self->getpkgfile ($pkg);
1335     }
1336 }
1337
1338 sub getpkgfile {
1339     my ($self, $pkg) = @_;
1340
1341     my $pkginfo = $self->pkginfo();
1342     my $info = $pkginfo->{$pkg} || die "no such package '$pkg'";
1343     my $cachedir = $self->{cachedir};
1344
1345     my $url = $info->{url};
1346
1347     my $filename;
1348     if ($url =~ m|/([^/]+.deb)$|) {
1349         $filename = $1;
1350     } else {
1351         die "internal error";
1352     }
1353
1354     return $filename if -f "$cachedir/$filename";
1355
1356     mkpath $cachedir;
1357
1358     $self->download ($url, "$cachedir/$filename");
1359
1360     return $filename;
1361 }
1362
1363 sub install_init_script {
1364     my ($self, $script, $runlevel, $prio) = @_;
1365
1366     my $suite = $self->{config}->{suite};
1367     my $suiteinfo = get_suite_info($suite);
1368     my $rootdir = $self->{rootfs};
1369
1370     my $base = basename ($script);
1371     my $target = "$rootdir/etc/init.d/$base";
1372
1373     $self->run_command ("install -m 0755 '$script' '$target'");
1374     if ($suite eq 'etch' || $suite eq 'lenny') {
1375         $self->ve_command ("update-rc.d $base start $prio $runlevel .");
1376     } elsif ($suiteinfo->{flags}->{systemd}) {
1377         die "unable to install init script (system uses systemd)\n";
1378     } elsif ($suite eq 'trusty' || $suite eq 'precise') {
1379         die "unable to install init script (system uses upstart)\n";
1380     } else {
1381         $self->ve_command ("insserv $base");
1382     }
1383
1384     return $target;
1385 }
1386
1387 sub bootstrap {
1388     my ($self, $opts) = @_;
1389
1390     my $pkginfo = $self->pkginfo();
1391     my $veid = $self->{veid};
1392     my $suite = $self->{config}->{suite};
1393     my $suiteinfo = get_suite_info($suite);
1394
1395     my $important = [ @{$self->{incl}} ];
1396     my $required;
1397     my $standard;
1398
1399     my $mta = $opts->{exim} ? 'exim' : 'postfix';
1400     if ($mta eq 'postfix') {
1401         push @$important, "postfix";
1402     }
1403
1404     if ($opts->{include}) {
1405         push @$important, split(',', $opts->{include});
1406     }
1407
1408     my $exclude = {};
1409     if ($opts->{exclude}) {
1410         $exclude->{$_} = 1 for split(',', $opts->{exclude});
1411     }
1412
1413     foreach my $p (sort keys %$pkginfo) {
1414         next if grep { $p eq $_ } @{$self->{excl}};
1415         my $pri = $pkginfo->{$p}->{priority};
1416         next if !$pri;
1417         next if $mta ne 'exim' && $p =~ m/exim/;
1418         next if $p =~ m/(selinux|semanage|policycoreutils)/;
1419
1420         push @$required, $p  if $pri eq 'required';
1421         next if $exclude->{$p};
1422         push @$important, $p if $pri eq 'important';
1423         push @$standard, $p if $pri eq 'standard' && !$opts->{minimal};
1424     }
1425
1426     my $closure = {};
1427     $required = $self->closure($closure, $required);
1428     $important = $self->closure($closure, $important);
1429
1430     if (!$opts->{minimal}) {
1431         $standard = $self->closure($closure, $standard);
1432     }
1433
1434     # test if we have all 'ubuntu-minimal' and 'ubuntu-standard' packages
1435     # except those explicitly excluded
1436     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1437         my $mdeps = $pkginfo->{'ubuntu-minimal'}->{depends};
1438         foreach my $d (split (/,/, $mdeps)) {
1439             if ($d =~ m/^\s*(\S+)$/) {
1440                 my $pkg = $1;
1441                 next if $closure->{$pkg};
1442                 next if grep { $pkg eq $_ } @{$self->{excl}};
1443                 die "missing ubuntu-minimal package '$pkg'\n";
1444             }
1445         }
1446         if (!$opts->{minimal}) {
1447             $mdeps = $pkginfo->{'ubuntu-standard'}->{depends};
1448             foreach my $d (split (/,/, $mdeps)) {
1449                 if ($d =~ m/^\s*(\S+)$/) {
1450                     my $pkg = $1;
1451                     next if $closure->{$pkg};
1452                     next if grep { $pkg eq $_ } @{$self->{excl}};
1453                     die "missing ubuntu-standard package '$pkg'\n";
1454                 }
1455             }
1456         }
1457     }
1458
1459     # download/cache all files first
1460     $self->cache_packages ($required);
1461     $self->cache_packages ($important);
1462     $self->cache_packages ($standard);
1463
1464     my $rootdir = $self->{rootfs};
1465
1466     # extract required packages first
1467     $self->logmsg ("create basic environment\n");
1468
1469     if ($self->can_usr_merge()) {
1470         $self->setup_usr_merge();
1471     }
1472
1473     my $compressor2opt = {
1474         'zst' => '--zstd',
1475         'gz' => '--gzip',
1476         'xz' => '--xz',
1477     };
1478     my $compressor_re = join('|', keys $compressor2opt->%*);
1479
1480     $self->logmsg ("extract required packages to rootfs\n");
1481     foreach my $p (@$required) {
1482         my $filename = $self->getpkgfile ($p);
1483         my $content = $self->run_command("ar -t '$self->{cachedir}/$filename'", undef, 1);
1484         if ($content =~ m/^(data.tar.($compressor_re))$/m) {
1485             my $archive = $1;
1486             my $tar_opts = "--keep-directory-symlink $compressor2opt->{$2}";
1487
1488             $self->run_command("ar -p '$self->{cachedir}/$filename' '$archive' | tar -C '$rootdir' -xf - $tar_opts");
1489         } else {
1490             die "unexpected error for $p: no data.tar.{xz,gz,zst} found...";
1491         }
1492     }
1493
1494     # fake dpkg status
1495     my $data = "Package: dpkg\n" .
1496         "Version: $pkginfo->{dpkg}->{version}\n" .
1497         "Status: install ok installed\n";
1498
1499     write_file ($data, "$rootdir/var/lib/dpkg/status");
1500     write_file ("", "$rootdir/var/lib/dpkg/info/dpkg.list");
1501     write_file ("", "$rootdir/var/lib/dpkg/available");
1502
1503     $data = '';
1504     foreach my $ss (@{$self->{sources}}) {
1505         my $url = $ss->{source};
1506         my $comp = join (' ', @{$ss->{comp}});
1507         $data .= "deb $url $ss->{suite} $comp\n\n";
1508     }
1509
1510     write_file ($data, "$rootdir/etc/apt/sources.list");
1511
1512     $data = "# UNCONFIGURED FSTAB FOR BASE SYSTEM\n";
1513     write_file ($data, "$rootdir/etc/fstab", 0644);
1514
1515     write_file ("localhost\n", "$rootdir/etc/hostname", 0644);
1516
1517     # avoid warnings about non-existent resolv.conf
1518     write_file ("", "$rootdir/etc/resolv.conf", 0644);
1519
1520     if (lc($suiteinfo->{origin}) eq 'ubuntu' && $suiteinfo->{flags}->{systemd}) {
1521         # no need to configure loopback device
1522         # FIXME: Debian (systemd based?) too?
1523     } else {
1524         $data = "auto lo\niface lo inet loopback\n";
1525         mkdir "$rootdir/etc/network";
1526         write_file ($data, "$rootdir/etc/network/interfaces", 0644);
1527     }
1528
1529     # setup devices
1530     $self->run_command ("tar xzf '$devicetar' -C '$rootdir'");
1531
1532     # avoid warnings about missing default locale
1533     write_file ("LANG=\"C\"\n", "$rootdir/etc/default/locale", 0644);
1534
1535     # fake init
1536     rename ("$rootdir/sbin/init", "$rootdir/sbin/init.org");
1537     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1538
1539     $self->run_command ("cp '$default_env' '$rootdir/sbin/defenv'");
1540
1541     $self->run_command ("lxc-start -n $veid -f $self->{veconffile}");
1542
1543     $self->logmsg ("initialize ld cache\n");
1544     $self->ve_command ("/sbin/ldconfig");
1545     $self->run_command ("ln -sf mawk '$rootdir/usr/bin/awk'");
1546
1547     $self->logmsg ("installing packages\n");
1548
1549     $self->ve_dpkg ('install', 'base-files', 'base-passwd');
1550
1551     $self->ve_dpkg ('install', 'dpkg');
1552
1553     $self->run_command ("ln -sf /usr/share/zoneinfo/UTC '$rootdir/etc/localtime'");
1554
1555     $self->run_command ("ln -sf bash '$rootdir/bin/sh'");
1556
1557     $self->ve_dpkg ('install', 'libc6');
1558     $self->ve_dpkg ('install', 'perl-base');
1559
1560     unlink "$rootdir/usr/bin/awk";
1561
1562     $self->ve_dpkg ('install', 'mawk');
1563     $self->ve_dpkg ('install', 'debconf');
1564
1565     # unpack required packages
1566     foreach my $p (@$required) {
1567         $self->ve_dpkg ('unpack', $p);
1568     }
1569
1570     rename ("$rootdir/sbin/init.org", "$rootdir/sbin/init");
1571     $self->ve_divert_add ("/sbin/init");
1572     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1573
1574     # disable service activation
1575     $self->ve_divert_add ("/usr/sbin/policy-rc.d");
1576     $data = "#!/bin/sh\nexit 101\n";
1577     write_file ($data, "$rootdir/usr/sbin/policy-rc.d", 755);
1578
1579     # disable start-stop-daemon
1580     $self->ve_divert_add ("/sbin/start-stop-daemon");
1581     $data = <<EOD;
1582 #!/bin/sh
1583 echo
1584 echo \"Warning: Fake start-stop-daemon called, doing nothing\"
1585 EOD
1586     write_file ($data, "$rootdir/sbin/start-stop-daemon", 0755);
1587
1588     # disable udevd
1589     $self->ve_divert_add ("/sbin/udevd");
1590
1591     if ($suite eq 'etch') {
1592         write_file ("NO_START=1\n", "$rootdir/etc/default/apache2"); # disable apache2 startup
1593     }
1594
1595     $self->logmsg ("configure required packages\n");
1596     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1597
1598     # set postfix defaults
1599     if ($mta eq 'postfix') {
1600         $data = "postfix postfix/main_mailer_type select Local only\n";
1601         $self->ve_debconfig_set ($data);
1602
1603         $data = "postmaster: root\nwebmaster: root\n";
1604         write_file ($data, "$rootdir/etc/aliases");
1605     }
1606
1607     if ($suite eq 'jaunty') {
1608         # jaunty does not create /var/run/network, so network startup fails.
1609         # so we do not use tmpfs for /var/run and /var/lock
1610         $self->run_command ("sed -e 's/RAMRUN=yes/RAMRUN=no/' -e 's/RAMLOCK=yes/RAMLOCK=no/'  -i $rootdir/etc/default/rcS");
1611         # and create the directory here
1612         $self->run_command ("mkdir $rootdir/var/run/network");
1613     }
1614
1615     # unpack base packages
1616     foreach my $p (@$important) {
1617         $self->ve_dpkg ('unpack', $p);
1618     }
1619
1620     # start loopback
1621     if (-x "$rootdir/sbin/ifconfig") {
1622         $self->ve_command ("ifconfig lo up");
1623     } else {
1624         $self->ve_command ("ip link set lo up");
1625     }
1626
1627     $self->logmsg ("configure important packages\n");
1628     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1629
1630     if (-d "$rootdir/etc/event.d") {
1631         unlink <$rootdir/etc/event.d/tty*>;
1632     }
1633
1634     if (-f "$rootdir/etc/inittab") {
1635         $self->run_command ("sed -i -e '/getty\\s38400\\stty[23456]/d' '$rootdir/etc/inittab'");
1636     }
1637
1638     # Link /etc/mtab to /proc/mounts, so df and friends will work:
1639     unlink "$rootdir/etc/mtab";
1640     $self->ve_command ("ln -s /proc/mounts /etc/mtab");
1641
1642     # reset password
1643     $self->ve_command ("usermod -L root");
1644
1645     if ($mta eq 'postfix') {
1646         $data = "postfix postfix/main_mailer_type select No configuration\n";
1647         $self->ve_debconfig_set ($data);
1648
1649         unlink "$rootdir/etc/mailname";
1650         write_file ($postfix_main_cf, "$rootdir/etc/postfix/main.cf");
1651     }
1652
1653     if (!$opts->{minimal}) {
1654         # unpack standard packages
1655         foreach my $p (@$standard) {
1656             $self->ve_dpkg ('unpack', $p);
1657         }
1658
1659         $self->logmsg ("configure standard packages\n");
1660         $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1661     }
1662
1663     # disable HWCLOCK access
1664     $self->run_command ("echo 'HWCLOCKACCESS=no' >> '$rootdir/etc/default/rcS'");
1665
1666     # disable hald
1667     $self->ve_divert_add ("/usr/sbin/hald");
1668
1669     # disable /dev/urandom init
1670     $self->run_command ("install -m 0755 '$script_init_urandom' '$rootdir/etc/init.d/urandom'");
1671
1672     if ($suite eq 'etch' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1673         # avoid klogd start
1674         $self->ve_divert_add ("/sbin/klogd");
1675     }
1676
1677     # remove unnecessays sysctl entries to avoid warnings
1678     my $cmd = 'sed';
1679     $cmd .= ' -e \'s/^\(kernel\.printk.*\)/#\1/\'';
1680     $cmd .= ' -e \'s/^\(kernel\.maps_protect.*\)/#\1/\'';
1681     $cmd .= ' -e \'s/^\(fs\.inotify\.max_user_watches.*\)/#\1/\'';
1682     $cmd .= ' -e \'s/^\(vm\.mmap_min_addr.*\)/#\1/\'';
1683     $cmd .= " -i '$rootdir/etc/sysctl.conf'";
1684     $self->run_command ($cmd);
1685
1686     my $bindv6only = "$rootdir/etc/sysctl.d/bindv6only.conf";
1687     if (-f $bindv6only) {
1688         $cmd = 'sed';
1689         $cmd .= ' -e \'s/^\(net\.ipv6\.bindv6only.*\)/#\1/\'';
1690         $cmd .= " -i '$bindv6only'";
1691         $self->run_command ($cmd);
1692     }
1693
1694     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1695         # disable tty init (console-setup)
1696         my $cmd = 'sed';
1697         $cmd .= ' -e \'s/^\(ACTIVE_CONSOLES=.*\)/ACTIVE_CONSOLES=/\'';
1698         $cmd .= " -i '$rootdir/etc/default/console-setup'";
1699         $self->run_command ($cmd);
1700     }
1701
1702     if ($suite eq 'intrepid' || $suite eq 'jaunty') {
1703         # remove sysctl setup (avoid warnings at startup)
1704         my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
1705         $filelist .= " $rootdir/etc/sysctl.d/10-process-security.conf" if $suite eq 'intrepid';
1706         $filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
1707         $self->run_command ("rm $filelist");
1708     }
1709
1710     if (-e "$rootdir/lib/systemd/system/sys-kernel-config.mount") {
1711         $self->ve_command ("ln -s /dev/null /etc/systemd/system/sys-kernel-debug.mount");
1712     }
1713 }
1714
1715 sub enter {
1716     my ($self) = @_;
1717
1718     my $veid = $self->{veid};
1719     my $conffile = $self->{veconffile};
1720
1721     my $vestat = $self->ve_status();
1722
1723     if (!$vestat->{exist}) {
1724         $self->logmsg ("Please create the appliance first (bootstrap)");
1725         return;
1726     }
1727
1728     if (!$vestat->{running}) {
1729         $self->run_command ("lxc-start -n $veid -f $conffile");
1730     }
1731
1732     system ("lxc-attach -n $veid --rcfile $conffile --clear-env");
1733 }
1734
1735 sub ve_mysql_command {
1736     my ($self, $sql, $password) = @_;
1737
1738     #my $bootstrap = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1739     #"--skip-bdb  --skip-innodb --skip-ndbcluster";
1740
1741     $self->ve_command ("mysql", $sql);
1742 }
1743
1744 sub ve_mysql_bootstrap {
1745     my ($self, $sql, $password) = @_;
1746
1747     my $cmd;
1748
1749     my $suite = $self->{config}->{suite};
1750
1751     if ($suite eq 'jessie') {
1752         my $rootdir = $self->{rootfs};
1753         $self->run_command ("sed -e 's/^key_buffer\\s*=/key_buffer_size =/' -i $rootdir/etc/mysql/my.cnf");
1754     }
1755
1756     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie') {
1757         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables";
1758
1759     } else {
1760         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1761             "--skip-bdb  --skip-innodb --skip-ndbcluster";
1762     }
1763
1764     $self->ve_command ($cmd, $sql);
1765 }
1766
1767 sub compute_required {
1768     my ($self, $pkglist) = @_;
1769
1770     my $pkginfo = $self->pkginfo();
1771     my $instpkgs = $self->read_installed ();
1772
1773     my $closure = {};
1774     __record_provides($pkginfo, $closure, [keys $instpkgs->%*]);
1775
1776     return $self->closure ($closure, $pkglist);
1777 }
1778
1779 sub task_postgres {
1780     my ($self, $opts) = @_;
1781
1782     my @supp = ('7.4', '8.1');
1783     my $pgversion; # NOTE: not setting that defaults to the distro default, normally the best choice
1784
1785     my $suite = $self->{config}->{suite};
1786
1787     if ($suite eq 'lenny' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1788         @supp = ('8.3');
1789         $pgversion = '8.3';
1790     } elsif ($suite eq 'squeeze') {
1791         @supp = ('8.4');
1792         $pgversion = '8.4';
1793     } elsif ($suite eq 'wheezy') {
1794         @supp = ('9.1');
1795         $pgversion = '9.1';
1796     } elsif ($suite eq 'jessie') {
1797         @supp = ('9.4');
1798         $pgversion = '9.4';
1799     } elsif ($suite eq 'stretch') {
1800         @supp = ('9.6');
1801         $pgversion = '9.6';
1802     } elsif ($suite eq 'buster') {
1803         @supp = ('11');
1804         $pgversion = '11';
1805     } elsif ($suite eq 'bullseye') {
1806         @supp = ('13');
1807     } elsif ($suite eq 'bookworm') {
1808         # FIXME: update once froozen
1809         @supp = ('13', '14');
1810     }
1811     $pgversion = $opts->{version} if $opts->{version};
1812
1813     my $required;
1814     if (defined($pgversion)) {
1815         die "unsupported postgres version '$pgversion'\n" if !grep { $pgversion eq $_; } @supp;
1816
1817         $required = $self->compute_required (["postgresql-$pgversion"]);
1818     } else {
1819         $required = $self->compute_required (["postgresql"]);
1820     }
1821
1822     $self->cache_packages ($required);
1823
1824     $self->ve_dpkg ('install', @$required);
1825
1826     my $iscript = "postgresql-$pgversion";
1827     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie' ||
1828         $suite eq 'stretch') {
1829         $iscript = 'postgresql';
1830     }
1831
1832     $self->ve_command ("/etc/init.d/$iscript start") if $opts->{start};
1833 }
1834
1835 sub task_mysql {
1836     my ($self, $opts) = @_;
1837
1838     my $password = $opts->{password};
1839     my $rootdir = $self->{rootfs};
1840
1841     my $suite = $self->{config}->{suite};
1842
1843     my $ver = '5.0';
1844     if ($suite eq 'squeeze') {
1845       $ver = '5.1';
1846     } elsif ($suite eq 'wheezy' || $suite eq 'jessie') {
1847       $ver = '5.5';
1848     } else {
1849         die "task_mysql: unsupported suite '$suite'";
1850     }
1851
1852     my $required = $self->compute_required (['mysql-common', "mysql-server-$ver"]);
1853
1854     $self->cache_packages ($required);
1855
1856     $self->ve_dpkg ('install', @$required);
1857
1858     # fix security (see /usr/bin/mysql_secure_installation)
1859     my $sql = "DELETE FROM mysql.user WHERE User='';\n" .
1860         "DELETE FROM mysql.user WHERE User='root' AND Host!='localhost';\n" .
1861         "FLUSH PRIVILEGES;\n";
1862     $self->ve_mysql_bootstrap ($sql);
1863
1864     if ($password) {
1865
1866         my $rpw = $password eq 'random' ? 'admin' : $password;
1867
1868         my $sql = "USE mysql;\n" .
1869             "UPDATE user SET password=PASSWORD(\"$rpw\") WHERE user='root';\n" .
1870             "FLUSH PRIVILEGES;\n";
1871         $self->ve_mysql_bootstrap ($sql);
1872
1873         write_file ("[client]\nuser=root\npassword=\"$rpw\"\n", "$rootdir/root/.my.cnf", 0600);
1874         if ($password eq 'random') {
1875             $self->install_init_script ($script_mysql_randompw, 2, 20);
1876         }
1877     }
1878
1879     $self->ve_command ("/etc/init.d/mysql start") if $opts->{start};
1880 }
1881
1882 sub task_php {
1883     my ($self, $opts) = @_;
1884
1885     my $memlimit = $opts->{memlimit};
1886     my $rootdir = $self->{rootfs};
1887     my $suite = $self->{config}->{suite};
1888
1889     my $base_set = [qw(php-cli libapache2-mod-php php-gd)];
1890     if ($suite =~ /(?:squeeze|wheezy|jessie)$/) {
1891         $self->logmsg("WARN: using EOL php release on EOL suite");
1892         $base_set = [qw(php5 php5-cli libapache2-mod-php5 php5-gd)];
1893     }
1894     my $required = $self->compute_required($base_set);
1895
1896     $self->cache_packages ($required);
1897
1898     $self->ve_dpkg ('install', @$required);
1899
1900     if ($memlimit) {
1901         my $sed_cmd = ['sed', '-e', "s/^\\s*memory_limit\\s*=.*;/memory_limit = ${memlimit}M;/", '-i'];
1902         if ($suite =~ /(?:squeeze|wheezy|jessie)$/) {
1903             push @$sed_cmd, "$rootdir/etc/php5/apache2/php.ini";
1904         } else {
1905             my $found = 0;
1906             for my $fn (glob("'${rootdir}/etc/php/*/apache2/php.ini'")) {
1907                 push @$sed_cmd, "$rootdir/$fn";
1908                 $found = 1;
1909             }
1910             if (!$found) {
1911                 warn "WARN: did not found any php.ini to set the memlimit!\n";
1912                 return;
1913             }
1914         }
1915         $self->run_command($sed_cmd);
1916     }
1917 }
1918
1919 sub install {
1920     my ($self, $pkglist, $unpack) = @_;
1921
1922     my $required = $self->compute_required ($pkglist);
1923
1924     $self->cache_packages ($required);
1925
1926     $self->ve_dpkg ($unpack ? 'unpack' : 'install', @$required);
1927 }
1928
1929 sub cleanup {
1930     my ($self, $distclean) = @_;
1931
1932     unlink $self->{logfile};
1933     unlink "$self->{targetname}.tar";
1934     unlink "$self->{targetname}.tar.gz";
1935
1936     $self->ve_destroy ();
1937     unlink ".veid";
1938
1939     rmtree $self->{cachedir} if $distclean && !$self->{config}->{cachedir};
1940
1941     rmtree $self->{infodir};
1942
1943 }
1944
1945 1;