DAB.pm

   1 package PVE::DAB;
   2
   3 use strict;
   4 use warnings;
   5 use IO::File;
   6 use File::Path;
   7 use File::Basename;
   8 use IO::Select;
   9 use IPC::Open2;
  10 use IPC::Open3;
  11 use POSIX qw (LONG_MAX);
  12 use UUID;
  13 use Cwd;
  14
  15 # fixme: lock container ?
  16
  17 my $dablibdir = "/usr/lib/dab";
  18 my $devicetar = "$dablibdir/devices.tar.gz";
  19 my $default_env = "$dablibdir/scripts/defenv";
  20 my $fake_init = "$dablibdir/scripts/init.pl";
  21 my $script_ssh_init = "$dablibdir/scripts/ssh_gen_host_keys";
  22 my $script_mysql_randompw = "$dablibdir/scripts/mysql_randompw";
  23 my $script_init_urandom = "$dablibdir/scripts/init_urandom";
  24
  25 my $postfix_main_cf = <<EOD;
  26 # See /usr/share/postfix/main.cf.dist for a commented, more complete version
  27
  28 smtpd_banner = \$myhostname ESMTP \$mail_name (Debian/GNU)
  29 biff = no
  30
  31 # appending .domain is the MUA's job.
  32 append_dot_mydomain = no
  33
  34 # Uncomment the next line to generate "delayed mail" warnings
  35 #delay_warning_time = 4h
  36
  37 alias_maps = hash:/etc/aliases
  38 alias_database = hash:/etc/aliases
  39 mydestination = \$myhostname, localhost.\$mydomain, localhost
  40 relayhost =
  41 mynetworks = 127.0.0.0/8
  42 inet_interfaces = loopback-only
  43 recipient_delimiter = +
  44
  45 compatibility_level = 2
  46
  47 EOD
  48
  49 # produce apt compatible filenames (/var/lib/apt/lists)
  50 sub __url_to_filename {
  51     my $url = shift;
  52
  53     $url =~ s|^\S+://||;
  54     $url =~ s|_|%5f|g;
  55     $url =~ s|/|_|g;
  56
  57     return $url;
  58 }
  59
  60 # defaults:
  61 #  origin: debian
  62 my $supported_suites = {
  63     'buster' => {
  64         ostype => "debian-10.0",
  65     },
  66     'stretch' => {
  67         ostype => "debian-9.0",
  68     },
  69     'jessie' => {
  70         ostype => "debian-8.0",
  71     },
  72     'wheezy' => {
  73         ostype => "debian-7.0",
  74     },
  75     'squeeze' => {
  76         ostype => "debian-6.0",
  77     },
  78     'lenny' => {
  79         ostype => "debian-5.0",
  80     },
  81     'etch' => {
  82         ostype => "debian-4.0",
  83     },
  84
  85 # DEVUAN
  86     'devuan-jessie' => {
  87         suite => 'jessie',
  88         ostype => "devuan-1.0",
  89     },
  90     'devuan-ascii' => {
  91         suite => 'ascii',
  92         ostype => "devuan-2.0",
  93     },
  94     'ascii' => {
  95         ostype => "devuan-2.0",
  96     },
  97
  98 # UBUNTU
  99     'hardy' => {
 100         ostype => "ubuntu-8.04",
 101         origin => 'ubuntu',
 102     },
 103     'intrepid' => {
 104         ostype => "ubuntu-8.10",
 105         origin => 'ubuntu',
 106     },
 107     'jaunty' => {
 108         ostype => "ubuntu-9.04",
 109         origin => 'ubuntu',
 110     },
 111     'precise' => {
 112         ostype => "ubuntu-12.04",
 113         origin => 'ubuntu',
 114     },
 115     'trusty' => {
 116         ostype => "ubuntu-14.04",
 117         origin => 'ubuntu',
 118     },
 119     'vivid' => {
 120         ostype => "ubuntu-15.04",
 121         origin => 'ubuntu',
 122     },
 123     'wily' => {
 124         ostype => "ubuntu-15.10",
 125         origin => 'ubuntu',
 126     },
 127     'xenial' => {
 128         ostype => "ubuntu-16.04",
 129         origin => 'ubuntu',
 130     },
 131     'yakkety' => {
 132         ostype => "ubuntu-16.10",
 133         origin => 'ubuntu',
 134     },
 135     'zesty' => {
 136         ostype => "ubuntu-17.04",
 137         origin => 'ubuntu',
 138     },
 139     'artful' => {
 140         ostype => "ubuntu-17.10",
 141         origin => 'ubuntu',
 142     },
 143     'bionic' => {
 144         ostype => "ubuntu-18.04",
 145         origin => 'ubuntu',
 146     },
 147     'cosmic' => {
 148         ostype => "ubuntu-18.10",
 149         origin => 'ubuntu',
 150     },
 151     'disco' => {
 152         ostype => "ubuntu-19.04",
 153         origin => 'ubuntu',
 154     },
 155     'eoan' => {
 156         ostype => "ubuntu-19.10",
 157         origin => 'ubuntu',
 158     },
 159 };
 160
 161 sub get_suite_info {
 162     my ($suite) = @_;
 163
 164     my $suiteinfo = $supported_suites->{$suite} || die "unsupported suite '$suite'!\n";
 165
 166     # set defaults
 167     $suiteinfo->{origin} //= 'debian';
 168     $suiteinfo->{suite} //= $suite;
 169
 170     return $suiteinfo;
 171 }
 172
 173 sub download {
 174     my ($self, $url, $path) = @_;
 175
 176     $self->logmsg ("download: $url\n");
 177     my $tmpfn = "$path.tmp$$";
 178     eval {
 179         $self->run_command ("wget -q '$url'  -O '$tmpfn'");
 180     };
 181
 182     my $err = $@;
 183     if ($err) {
 184         unlink $tmpfn;
 185         die $err;
 186     }
 187
 188     rename ($tmpfn, $path);
 189 }
 190
 191 sub write_file {
 192     my ($data, $file, $perm) = @_;
 193
 194     die "no filename" if !$file;
 195
 196     unlink $file;
 197
 198     my $fh = IO::File->new ($file, O_WRONLY | O_CREAT, $perm) ||
 199         die "unable to open file '$file'";
 200
 201     print $fh $data;
 202
 203     $fh->close;
 204 }
 205
 206 sub read_file {
 207     my ($file) = @_;
 208
 209     die "no filename" if !$file;
 210
 211     my $fh = IO::File->new ($file) ||
 212         die "unable to open file '$file'";
 213
 214     local $/; # slurp mode
 215
 216     my $data = <$fh>;
 217
 218     $fh->close;
 219
 220     return $data;
 221 }
 222
 223 sub read_config {
 224     my ($filename) = @_;
 225
 226     my $res = {};
 227
 228     my $fh = IO::File->new ("<$filename") || return $res;
 229     my $rec = '';
 230
 231     while (defined (my $line = <$fh>)) {
 232         next if $line =~ m/^\#/;
 233         next if $line =~ m/^\s*$/;
 234         $rec .= $line;
 235     };
 236
 237     close ($fh);
 238
 239     chomp $rec;
 240     $rec .= "\n";
 241
 242     while ($rec) {
 243         if ($rec =~ s/^Description:\s*([^\n]*)(\n\s+.*)*$//si) {
 244             $res->{headline} = $1;
 245             chomp $res->{headline};
 246             my $long = $2;
 247             $long =~ s/^\s+/ /;
 248             $res->{description} = $long;
 249             chomp $res->{description};
 250         } elsif ($rec =~ s/^([^:]+):\s*(.*\S)\s*\n//) {
 251             my ($key, $value) = (lc ($1), $2);
 252             if ($key eq 'source' || $key eq 'mirror') {
 253                 push @{$res->{$key}}, $value;
 254             } else {
 255                 die "duplicate key '$key'\n" if defined ($res->{$key});
 256                 $res->{$key} = $value;
 257             }
 258         } else {
 259             die "unable to parse config file: $rec";
 260         }
 261     }
 262
 263     die "unable to parse config file" if $rec;
 264
 265     return $res;
 266 }
 267
 268 sub run_command {
 269     my ($self, $cmd, $input, $getoutput) = @_;
 270
 271     my $reader = IO::File->new();
 272     my $writer = IO::File->new();
 273     my $error  = IO::File->new();
 274
 275     my $orig_pid = $$;
 276
 277     my $cmdstr = ref ($cmd) eq 'ARRAY' ? join (' ', @$cmd) : $cmd;
 278
 279     my $pid;
 280     eval {
 281         if (ref ($cmd) eq 'ARRAY') {
 282             $pid = open3 ($writer, $reader, $error, @$cmd) || die $!;
 283         } else {
 284             $pid = open3 ($writer, $reader, $error, $cmdstr) || die $!;
 285         }
 286     };
 287
 288     my $err = $@;
 289
 290     # catch exec errors
 291     if ($orig_pid != $$) {
 292         $self->logmsg ("ERROR: command '$cmdstr' failed - fork failed\n");
 293         POSIX::_exit (1);
 294         kill ('KILL', $$);
 295     }
 296
 297     die $err if $err;
 298
 299     print $writer $input if defined $input;
 300     close $writer;
 301
 302     my $select = new IO::Select;
 303     $select->add ($reader);
 304     $select->add ($error);
 305
 306     my $res = '';
 307     my $logfd = $self->{logfd};
 308
 309     while ($select->count) {
 310         my @handles = $select->can_read ();
 311
 312         foreach my $h (@handles) {
 313             my $buf = '';
 314             my $count = sysread ($h, $buf, 4096);
 315             if (!defined ($count)) {
 316                 waitpid ($pid, 0);
 317                 die "command '$cmdstr' failed: $!";
 318             }
 319             $select->remove ($h) if !$count;
 320
 321             print $logfd $buf;
 322
 323             $res .= $buf if $getoutput;
 324         }
 325     }
 326
 327     waitpid ($pid, 0);
 328     my $ec = ($? >> 8);
 329
 330     die "command '$cmdstr' failed with exit code $ec\n" if $ec;
 331
 332     return $res;
 333 }
 334
 335 sub logmsg {
 336     my $self = shift;
 337     print STDERR @_;
 338     $self->writelog (@_);
 339 }
 340
 341 sub writelog {
 342     my $self = shift;
 343     my $fd = $self->{logfd};
 344     print $fd @_;
 345 }
 346
 347 sub __sample_config {
 348     my ($self) = @_;
 349
 350     my $data = '';
 351     my $arch = $self->{config}->{architecture};
 352
 353     my $ostype = $self->{config}->{ostype};
 354
 355     if ($ostype =~ m/^de(bi|vu)an-/) {
 356         $data .= "lxc.include = /usr/share/lxc/config/debian.common.conf\n";
 357     } elsif ($ostype =~ m/^ubuntu-/) {
 358         $data .= "lxc.include = /usr/share/lxc/config/ubuntu.common.conf\n";
 359     } else {
 360         die "unknown os type '$ostype'\n";
 361     }
 362     $data .= "lxc.uts.name = localhost\n";
 363     $data .= "lxc.rootfs.path = $self->{rootfs}\n";
 364
 365     return $data;
 366 }
 367
 368 sub __allocate_ve {
 369     my ($self) = @_;
 370
 371     my $cid;
 372     if (my $fd = IO::File->new (".veid")) {
 373         $cid = <$fd>;
 374         chomp $cid;
 375         close ($fd);
 376     }
 377
 378
 379     $self->{working_dir} = getcwd;
 380     $self->{veconffile} = "$self->{working_dir}/config";
 381     $self->{rootfs} = "$self->{working_dir}/rootfs";
 382
 383     if ($cid) {
 384         $self->{veid} = $cid;
 385         return $cid;
 386     }
 387
 388     my $uuid;
 389     my $uuid_str;
 390     UUID::generate($uuid);
 391     UUID::unparse($uuid, $uuid_str);
 392     $self->{veid} = $uuid_str;
 393
 394     my $fd = IO::File->new (">.veid") ||
 395         die "unable to write '.veid'\n";
 396     print $fd "$self->{veid}\n";
 397     close ($fd);
 398
 399     my $cdata = $self->__sample_config();
 400
 401     my $fh = IO::File->new ($self->{veconffile}, O_WRONLY|O_CREAT|O_EXCL) ||
 402         die "unable to write lxc config file '$self->{veconffile}' - $!";
 403     print $fh $cdata;
 404     close ($fh);
 405
 406     mkdir $self->{rootfs} || die "unable to create rootfs - $!";
 407
 408     $self->logmsg ("allocated VE $self->{veid}\n");
 409
 410     return $self->{veid};
 411 }
 412
 413 sub new {
 414     my ($class, $config) = @_;
 415
 416     $class = ref ($class) || $class;
 417
 418     my $self = {};
 419
 420     $config = read_config ('dab.conf') if !$config;
 421
 422     $self->{config} = $config;
 423
 424     bless $self, $class;
 425
 426     $self->{logfile} = "logfile";
 427     $self->{logfd} = IO::File->new (">>$self->{logfile}") ||
 428         die "unable to open log file";
 429
 430     my $arch = $config->{architecture};
 431     die "no 'architecture' specified\n" if !$arch;
 432
 433     die "unsupported architecture '$arch'\n"
 434         if $arch !~ m/^(i386|amd64)$/;
 435
 436     my $suite = $config->{suite} || die "no 'suite' specified\n";
 437
 438     my $suiteinfo = get_suite_info($suite);
 439     $suite = $suiteinfo->{suite};
 440     $config->{ostype} = $suiteinfo->{ostype};
 441
 442     my $name = $config->{name} || die "no 'name' specified\n";
 443
 444     $name =~ m/^[a-z][0-9a-z\-\*\.]+$/ ||
 445         die "illegal characters in name '$name'\n";
 446
 447     my $version = $config->{version};
 448     die "no 'version' specified\n" if !$version;
 449     die "no 'section' specified\n" if !$config->{section};
 450     die "no 'description' specified\n" if !$config->{headline};
 451     die "no 'maintainer' specified\n" if !$config->{maintainer};
 452
 453     if ($name =~ m/^$config->{ostype}/) {
 454         $self->{targetname} = "${name}_${version}_$config->{architecture}";
 455     } else {
 456         $self->{targetname} = "$config->{ostype}-${name}_" .
 457             "${version}_$config->{architecture}";
 458     }
 459
 460     if (!$config->{source}) {
 461         if (lc($suiteinfo->{origin}) eq 'debian') {
 462             if ($suite eq 'etch' || $suite eq 'lenny') {
 463                 push @{$config->{source}}, (
 464                     'http://ftp.debian.org/debian SUITE main contrib',
 465                     'http://security.debian.org SUITE/updates main contrib',
 466                 );
 467             } else {
 468                 push @{$config->{source}}, (
 469                     "http://ftp.debian.org/debian SUITE main contrib",
 470                     "http://ftp.debian.org/debian SUITE-updates main contrib",
 471                     "http://security.debian.org SUITE/updates main contrib",
 472                 );
 473             }
 474         } elsif (lc($suiteinfo->{origin}) eq 'ubuntu') {
 475             my $comp = "main restricted universe multiverse";
 476             push @{$config->{source}}, (
 477                 "http://archive.ubuntu.com/ubuntu SUITE $comp",
 478                 "http://archive.ubuntu.com/ubuntu SUITE-updates $comp",
 479                 "http://archive.ubuntu.com/ubuntu SUITE-security $comp",
 480             );
 481         } else {
 482             die "implement me";
 483         }
 484     }
 485
 486     my $sources = undef;
 487
 488     foreach my $s (@{$config->{source}}) {
 489         if ($s =~ m@^\s*((http|ftp)://\S+)\s+(\S+)((\s+(\S+))+)$@) {
 490             my ($url, $su, $components) = ($1, $3, $4);
 491             $su =~ s/SUITE/$suite/;
 492             $components =~ s/^\s+//;
 493             $components =~ s/\s+$//;
 494             my $ca;
 495             foreach my $co (split (/\s+/, $components)) {
 496                 push @$ca, $co;
 497             }
 498             $ca = ['main'] if !$ca;
 499
 500             push @$sources, {
 501                 source => $url,
 502                 comp => $ca,
 503                 suite => $su,
 504             };
 505         } else {
 506             die "syntax error in source spezification '$s'\n";
 507         }
 508     }
 509
 510     foreach my $m (@{$config->{mirror}}) {
 511         if ($m =~ m@^\s*((http|ftp)://\S+)\s*=>\s*((http|ftp)://\S+)\s*$@) {
 512             my ($ms, $md) = ($1, $3);
 513             my $found;
 514             foreach my $ss (@$sources) {
 515                 if ($ss->{source} eq $ms) {
 516                     $found = 1;
 517                     $ss->{mirror} = $md;
 518                     last;
 519                 }
 520             }
 521             die "unusable mirror $ms\n" if !$found;
 522         } else {
 523             die "syntax error in mirror spezification '$m'\n";
 524         }
 525     }
 526
 527     $self->{sources} = $sources;
 528
 529     $self->{infodir} = "info";
 530
 531     $self->__allocate_ve ();
 532
 533     $self->{cachedir} = ($config->{cachedir} || 'cache')  . "/$suite";;
 534
 535     my $incl = [qw (less ssh openssh-server logrotate)];
 536
 537     my $excl = [qw (modutils reiserfsprogs ppp pppconfig pppoe
 538                     pppoeconf nfs-common mtools ntp)];
 539
 540     # ubuntu has too many dependencies on udev, so
 541     # we cannot exclude it (instead we disable udevd)
 542
 543     if ($suite eq 'vivid' || $suite eq 'wily' || $suite eq 'xenial' ||
 544         $suite eq 'yakkety' || $suite eq 'zesty' || $suite eq 'artful' ||
 545         $suite eq 'bionic' || $suite eq 'cosmic' || $suite eq 'disco' ||
 546         $suite eq 'eoan') {
 547         push @$incl, 'isc-dhcp-client';
 548         push @$excl, qw(libmodule-build-perl);
 549     } elsif ($suite eq 'trusty') {
 550         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+);
 551    } elsif ($suite eq 'precise') {
 552         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+ ubuntu-standard);
 553     } elsif ($suite eq 'hardy') {
 554         push @$excl, qw(kbd);
 555         push @$excl, qw(apparmor apparmor-utils ntfs-3g
 556                         friendly-recovery);
 557     } elsif ($suite eq 'intrepid' || $suite eq 'jaunty') {
 558         push @$excl, qw(apparmor apparmor-utils libapparmor1 libapparmor-perl
 559                         libntfs-3g28 ntfs-3g friendly-recovery);
 560     } elsif ($suite eq 'jessie') {
 561         push @$incl, 'sysvinit-core'; # avoid systemd and udev
 562         push @$incl, 'libperl4-corelibs-perl'; # to make lsof happy
 563         push @$excl, qw(systemd systemd-sysv udev module-init-tools pciutils hdparm
 564                         memtest86+ parted);
 565     } elsif ($suite eq 'stretch' || $suite eq 'buster') {
 566         push @$excl, qw(module-init-tools pciutils hdparm
 567                         memtest86+ parted);
 568      } else {
 569         push @$excl, qw(udev module-init-tools pciutils hdparm
 570                         memtest86+ parted);
 571     }
 572
 573     $self->{incl} = $incl;
 574     $self->{excl} = $excl;
 575
 576     return $self;
 577 }
 578
 579 sub initialize {
 580     my ($self) = @_;
 581
 582     my $infodir = $self->{infodir};
 583     my $arch = $self->{config}->{architecture};
 584
 585     rmtree $infodir;
 586     mkpath $infodir;
 587
 588     # truncate log
 589     my $logfd = $self->{logfd} = IO::File->new (">$self->{logfile}") ||
 590         die "unable to open log file";
 591
 592     foreach my $ss (@{$self->{sources}}) {
 593         my $src = $ss->{mirror} || $ss->{source};
 594         my $path = "dists/$ss->{suite}/Release";
 595         my $url = "$src/$path";
 596         my $target = __url_to_filename ("$ss->{source}/$path");
 597         eval {
 598             $self->download ($url, "$infodir/$target");
 599             $self->download ("$url.gpg", "$infodir/$target.gpg");
 600             # fixme: impl. verify (needs --keyring option)
 601         };
 602         if (my $err = $@) {
 603             print $logfd $@;
 604             warn "Release info ignored\n";
 605         };
 606         foreach my $comp (@{$ss->{comp}}) {
 607             $path = "dists/$ss->{suite}/$comp/binary-$arch/Packages.gz";
 608             $target = "$infodir/" . __url_to_filename ("$ss->{source}/$path");
 609             my $pkgsrc = "$src/$path";
 610             $self->download ($pkgsrc, $target);
 611             $self->run_command ("gzip -d '$target'");
 612         }
 613     }
 614 }
 615
 616 sub write_config {
 617     my ($self, $filename, $size) = @_;
 618
 619     my $config = $self->{config};
 620
 621     my $data = '';
 622
 623     $data .= "Name: $config->{name}\n";
 624     $data .= "Version: $config->{version}\n";
 625     $data .= "Type: lxc\n";
 626     $data .= "OS: $config->{ostype}\n";
 627     $data .= "Section: $config->{section}\n";
 628     $data .= "Maintainer: $config->{maintainer}\n";
 629     $data .= "Architecture: $config->{architecture}\n";
 630     $data .= "Installed-Size: $size\n";
 631
 632     # optional
 633     $data .= "Infopage: $config->{infopage}\n" if $config->{infopage};
 634     $data .= "ManageUrl: $config->{manageurl}\n" if $config->{manageurl};
 635     $data .= "Certified: $config->{certified}\n" if $config->{certified};
 636
 637     # description
 638     $data .= "Description: $config->{headline}\n";
 639     $data .= "$config->{description}\n" if $config->{description};
 640
 641     write_file ($data, $filename, 0644);
 642 }
 643
 644 sub finalize {
 645     my ($self, $opts) = @_;
 646
 647     my $suite = $self->{config}->{suite};
 648     my $infodir = $self->{infodir};
 649     my $arch = $self->{config}->{architecture};
 650
 651     my $instpkgs = $self->read_installed ();
 652     my $pkginfo = $self->pkginfo();
 653     my $veid = $self->{veid};
 654     my $conffile = $self->{veconffile};
 655     my $rootdir = $self->{rootfs};
 656
 657     my $vestat = $self->ve_status();
 658     die "ve not running - unable to finalize\n" if !$vestat->{running};
 659
 660     # cleanup mysqld
 661     if (-f "$rootdir/etc/init.d/mysql") {
 662         $self->ve_command ("/etc/init.d/mysql stop");
 663     }
 664
 665     if (!($opts->{keepmycnf} || (-f "$rootdir/etc/init.d/mysql_randompw"))) {
 666         unlink "$rootdir/root/.my.cnf";
 667     }
 668
 669     if ($suite eq 'etch') {
 670         # enable apache2 startup
 671         if ($instpkgs->{apache2}) {
 672             write_file ("NO_START=0\n", "$rootdir/etc/default/apache2");
 673         } else {
 674             unlink "$rootdir/etc/default/apache2";
 675         }
 676     }
 677     $self->logmsg ("cleanup package status\n");
 678     # prevent auto selection of all standard, required or important
 679     # packages which are not installed
 680     foreach my $pkg (keys %$pkginfo) {
 681         my $pri = $pkginfo->{$pkg}->{priority};
 682         if ($pri && ($pri eq 'required' || $pri eq 'important'
 683                      || $pri eq 'standard')) {
 684             if (!$instpkgs->{$pkg}) {
 685                 $self->ve_dpkg_set_selection ($pkg, 'purge');
 686             }
 687         }
 688     }
 689
 690     $self->ve_command ("apt-get clean");
 691
 692     $self->logmsg ("update available package list\n");
 693
 694     $self->ve_command ("dpkg --clear-avail");
 695     foreach my $ss (@{$self->{sources}}) {
 696         my $relsrc = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/Release");
 697         if (-f "$infodir/$relsrc" && -f "$infodir/$relsrc.gpg") {
 698             $self->run_command ("cp '$infodir/$relsrc' '$rootdir/var/lib/apt/lists/$relsrc'");
 699             $self->run_command ("cp '$infodir/$relsrc.gpg' '$rootdir/var/lib/apt/lists/$relsrc.gpg'");
 700         }
 701         foreach my $comp (@{$ss->{comp}}) {
 702             my $src = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/" .
 703                                          "$comp/binary-$arch/Packages");
 704             my $target = "/var/lib/apt/lists/$src";
 705             $self->run_command ("cp '$infodir/$src' '$rootdir/$target'");
 706             $self->ve_command ("dpkg --merge-avail '$target'");
 707         }
 708     }
 709
 710     # set dselect default method
 711     write_file ("apt apt\n", "$rootdir/var/lib/dpkg/cmethopt");
 712
 713     $self->ve_divert_remove ("/usr/sbin/policy-rc.d");
 714
 715     $self->ve_divert_remove ("/sbin/start-stop-daemon");
 716
 717     $self->ve_divert_remove ("/sbin/init");
 718
 719     # finally stop the VE
 720     $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 721
 722     unlink "$rootdir/sbin/defenv";
 723
 724     unlink <$rootdir/root/dead.letter*>;
 725
 726     unlink "$rootdir/var/log/init.log";
 727
 728     unlink "$rootdir/aquota.group";
 729
 730     unlink "$rootdir/aquota.user";
 731
 732     write_file ("", "$rootdir/var/log/syslog");
 733
 734     $self->logmsg ("detecting final size: ");
 735
 736     my $sizestr = $self->run_command ("du -sm $rootdir", undef, 1);
 737     my $size;
 738     if ($sizestr =~ m/^(\d+)\s+\Q$rootdir\E$/) {
 739         $size = $1;
 740     } else {
 741         die "unable to detect size\n";
 742     }
 743     $self->logmsg ("$size MB\n");
 744
 745     $self->write_config ("$rootdir/etc/appliance.info", $size);
 746
 747     $self->logmsg ("creating final appliance archive\n");
 748
 749     my $target = "$self->{targetname}.tar";
 750     unlink $target;
 751     unlink "$target.gz";
 752
 753     $self->run_command ("tar cpf $target --numeric-owner -C '$rootdir' ./etc/appliance.info");
 754     $self->run_command ("tar rpf $target --numeric-owner -C '$rootdir' --exclude ./etc/appliance.info .");
 755     $self->run_command ("gzip $target");
 756 }
 757
 758 sub read_installed {
 759     my ($self) = @_;
 760
 761     my $rootdir = $self->{rootfs};
 762
 763     my $pkgfilelist = "$rootdir/var/lib/dpkg/status";
 764     local $/ = '';
 765     open (PKGLST, "<$pkgfilelist") ||
 766         die "unable to open '$pkgfilelist'";
 767
 768     my $pkglist = {};
 769
 770     while (my $rec = <PKGLST>) {
 771         chomp $rec;
 772         $rec =~ s/\n\s+/ /g;
 773         $rec .= "\n";
 774         my $res = {};
 775
 776         while ($rec =~ s/^([^:]+):\s+(.*)\s*\n//) {
 777             $res->{lc $1} = $2;
 778         }
 779
 780         my $pkg = $res->{'package'};
 781         if (my $status = $res->{status}) {
 782             my @sa = split (/\s+/, $status);
 783             my $stat = $sa[0];
 784             if ($stat && ($stat ne 'purge')) {
 785                 $pkglist->{$pkg} = $res;
 786             }
 787         }
 788     }
 789
 790     close (PKGLST);
 791
 792     return $pkglist;
 793 }
 794
 795 sub ve_status {
 796     my ($self) = @_;
 797
 798     my $veid = $self->{veid};
 799
 800     my $res = { running => 0 };
 801
 802     $res->{exist} = 1 if -d "$self->{rootfs}/usr";
 803
 804     my $filename = "/proc/net/unix";
 805
 806     # similar test is used by lcxcontainers.c: list_active_containers
 807     my $fh = IO::File->new ($filename, "r");
 808     return $res if !$fh;
 809
 810     while (defined(my $line = <$fh>)) {
 811         if ($line =~ m/^[a-f0-9]+:\s\S+\s\S+\s\S+\s\S+\s\S+\s\d+\s(\S+)$/) {
 812             my $path = $1;
 813             if ($path =~ m!^@/\S+/$veid/command$!) {
 814                 $res->{running} = 1;
 815             }
 816         }
 817     }
 818     close($fh);
 819
 820     return $res;
 821 }
 822
 823 sub ve_command {
 824     my ($self, $cmd, $input) = @_;
 825
 826     my $veid = $self->{veid};
 827     my $conffile = $self->{veconffile};
 828
 829     if (ref ($cmd) eq 'ARRAY') {
 830         unshift @$cmd, 'lxc-attach', '-n', $veid, '--rcfile', $conffile, '--clear-env', '--', 'defenv';
 831         $self->run_command ($cmd, $input);
 832     } else {
 833         $self->run_command ("lxc-attach -n $veid --rcfile $conffile --clear-env -- defenv $cmd", $input);
 834     }
 835 }
 836
 837 # like ve_command, but pipes stdin correctly
 838 sub ve_exec {
 839     my ($self, @cmd) = @_;
 840
 841     my $veid = $self->{veid};
 842     my $conffile = $self->{veconffile};
 843
 844     my $reader;
 845     my $pid = open2($reader, "<&STDIN", 'lxc-attach', '-n', $veid,  '--rcfile', $conffile, '--',
 846                     'defenv', @cmd) || die "unable to exec command";
 847
 848     while (defined (my $line = <$reader>)) {
 849         $self->logmsg ($line);
 850     }
 851
 852     waitpid ($pid, 0);
 853     my $rc = $? >> 8;
 854
 855     die "ve_exec failed - status $rc\n" if $rc != 0;
 856 }
 857
 858 sub ve_divert_add {
 859     my ($self, $filename) = @_;
 860
 861     $self->ve_command ("dpkg-divert --add --divert '$filename.distrib' " .
 862                        "--rename '$filename'");
 863 }
 864 sub ve_divert_remove {
 865     my ($self, $filename) = @_;
 866
 867     my $rootdir = $self->{rootfs};
 868
 869     unlink "$rootdir/$filename";
 870     $self->ve_command ("dpkg-divert --remove --rename '$filename'");
 871 }
 872
 873 sub ve_debconfig_set {
 874     my ($self, $dcdata) = @_;
 875
 876     my $rootdir = $self->{rootfs};
 877     my $cfgfile = "/tmp/debconf.txt";
 878     write_file ($dcdata, "$rootdir/$cfgfile");
 879     $self->ve_command ("debconf-set-selections $cfgfile");
 880     unlink "$rootdir/$cfgfile";
 881 }
 882
 883 sub ve_dpkg_set_selection {
 884     my ($self, $pkg, $status) = @_;
 885
 886     $self->ve_command ("dpkg --set-selections", "$pkg $status");
 887 }
 888
 889 sub ve_dpkg {
 890     my ($self, $cmd, @pkglist) = @_;
 891
 892     return if !scalar (@pkglist);
 893
 894     my $pkginfo = $self->pkginfo();
 895
 896     my $rootdir = $self->{rootfs};
 897     my $cachedir = $self->{cachedir};
 898
 899     my @files;
 900
 901     foreach my $pkg (@pkglist) {
 902         my $filename = $self->getpkgfile ($pkg);
 903         $self->run_command ("cp '$cachedir/$filename' '$rootdir/$filename'");
 904         push @files, "/$filename";
 905         $self->logmsg ("$cmd: $pkg\n");
 906     }
 907
 908     my $fl = join (' ', @files);
 909
 910     if ($cmd eq 'install') {
 911         $self->ve_command ("dpkg --force-depends --force-confold --install $fl");
 912     } elsif ($cmd eq 'unpack') {
 913         $self->ve_command ("dpkg --force-depends --unpack $fl");
 914     } else {
 915         die "internal error";
 916     }
 917
 918     foreach my $fn (@files) { unlink "$rootdir$fn"; }
 919 }
 920
 921 sub ve_destroy {
 922     my ($self) = @_;
 923
 924     my $veid = $self->{veid}; # fixme
 925     my $conffile = $self->{veconffile};
 926
 927     my $vestat = $self->ve_status();
 928     if ($vestat->{running}) {
 929         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 930     }
 931
 932     rmtree $self->{rootfs};
 933     unlink $self->{veconffile};
 934 }
 935
 936 sub ve_init {
 937     my ($self) = @_;
 938
 939     my $veid = $self->{veid};
 940     my $conffile = $self->{veconffile};
 941
 942     $self->logmsg ("initialize VE $veid\n");
 943
 944     my $vestat = $self->ve_status();
 945     if ($vestat->{running}) {
 946         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 947     }
 948
 949     rmtree $self->{rootfs};
 950     mkpath $self->{rootfs};
 951 }
 952
 953 sub __deb_version_cmp {
 954     my ($cur, $op, $new) = @_;
 955
 956     if (system("dpkg", "--compare-versions", $cur, $op, $new) == 0) {
 957         return 1;
 958     }
 959
 960     return 0;
 961 }
 962
 963 sub __parse_packages {
 964     my ($pkginfo, $filename, $src) = @_;
 965
 966     local $/ = '';
 967     open (PKGLST, "<$filename") ||
 968         die "unable to open '$filename'";
 969
 970     while (my $rec = <PKGLST>) {
 971         $rec =~ s/\n\s+/ /g;
 972         chomp $rec;
 973         $rec .= "\n";
 974
 975         my $res = {};
 976
 977         while ($rec =~ s/^([^:]+):\s+(.*)\s*\n//) {
 978             $res->{lc $1} = $2;
 979         }
 980
 981         my $pkg = $res->{'package'};
 982         if ($pkg && $res->{'filename'}) {
 983             my $cur;
 984             if (my $info = $pkginfo->{$pkg}) {
 985                 $cur = $info->{version};
 986             }
 987             my $new = $res->{version};
 988             if (!$cur || __deb_version_cmp ($cur, 'lt', $new)) {
 989                 if ($src) {
 990                     $res->{url} = "$src/$res->{'filename'}";
 991                 } else {
 992                     die "no url for package '$pkg'" if !$res->{url};
 993                 }
 994                 $pkginfo->{$pkg} = $res;
 995             }
 996         }
 997     }
 998
 999     close (PKGLST);
1000 }
1001
1002 sub pkginfo {
1003     my ($self) = @_;
1004
1005     return $self->{pkginfo} if $self->{pkginfo};
1006
1007     my $infodir = $self->{infodir};
1008     my $arch = $self->{config}->{architecture};
1009
1010     my $availfn = "$infodir/available";
1011
1012     my $pkginfo = {};
1013     my $pkgcount = 0;
1014
1015     # reading 'available' is faster, because it only contains latest version
1016     # (no need to do slow version compares)
1017     if (-f $availfn) {
1018             __parse_packages ($pkginfo, $availfn);
1019             $self->{pkginfo} = $pkginfo;
1020             return $pkginfo;
1021     }
1022
1023     $self->logmsg ("generating available package list\n");
1024
1025     foreach my $ss (@{$self->{sources}}) {
1026         foreach my $comp (@{$ss->{comp}}) {
1027             my $url = "$ss->{source}/dists/$ss->{suite}/$comp/binary-$arch/Packages";
1028             my $pkgfilelist = "$infodir/" . __url_to_filename ($url);
1029
1030             my $src = $ss->{mirror} || $ss->{source};
1031
1032             __parse_packages ($pkginfo, $pkgfilelist, $src);
1033         }
1034     }
1035
1036     if (my $dep = $self->{config}->{depends}) {
1037         foreach my $d (split (/,/, $dep)) {
1038             if ($d =~ m/^\s*(\S+)\s*(\((\S+)\s+(\S+)\)\s*)?$/) {
1039                 my ($pkg, $op, $rver) = ($1, $3, $4);
1040                 $self->logmsg ("checking dependencies: $d\n");
1041                 my $info = $pkginfo->{$pkg};
1042                 die "package '$pkg' not available\n" if !$info;
1043                 if ($op) {
1044                     my $cver = $info->{version};
1045                     if (!__deb_version_cmp ($cver, $op, $rver)) {
1046                         die "detected wrong version '$cver'\n";
1047                     }
1048                 }
1049             } else {
1050                 die "syntax error in depends field";
1051             }
1052         }
1053     }
1054
1055     $self->{pkginfo} = $pkginfo;
1056
1057     my $tmpfn = "$availfn.tmp$$";
1058     my $fd = IO::File->new (">$tmpfn");
1059     foreach my $pkg (sort keys %$pkginfo) {
1060         my $info = $pkginfo->{$pkg};
1061         print $fd "package: $pkg\n";
1062         foreach my $k (sort keys %$info) {
1063             next if $k eq 'description';
1064             next if $k eq 'package';
1065             my $v = $info->{$k};
1066             print $fd "$k: $v\n" if $v;
1067         }
1068         print $fd "description: $info->{description}\n" if $info->{description};
1069         print $fd "\n";
1070     }
1071     close ($fd);
1072
1073     rename ($tmpfn, $availfn);
1074
1075     return $pkginfo;
1076 }
1077
1078 sub __record_provides {
1079     my ($pkginfo, $closure, $list, $skipself) = @_;
1080
1081     foreach my $pname (@$list) {
1082         my $info = $pkginfo->{$pname};
1083         # fixme: if someone install packages directly using dpkg, there
1084         # is no entry in 'available', only in 'status'. In that case, we
1085         # should extract info from $instpkgs
1086         if (!$info) {
1087             warn "hint: ignoring provides for '$pname' - package not in 'available' list.\n";
1088             next;
1089         }
1090         if (my $prov = $info->{provides}) {
1091             my @pl = split (',', $prov);
1092             foreach my $p (@pl) {
1093                 $p =~ m/\s*(\S+)/;
1094                 if (!($skipself && (grep { $1 eq $_ } @$list))) {
1095                     $closure->{$1} = 1;
1096                 }
1097             }
1098         }
1099         $closure->{$pname} = 1 if !$skipself;
1100     }
1101 }
1102
1103 sub closure {
1104     my ($self, $closure, $list) = @_;
1105
1106     my $pkginfo = $self->pkginfo();
1107
1108     # first, record provided packages
1109     __record_provides ($pkginfo, $closure, $list, 1);
1110
1111     my $pkghash = {};
1112     my $pkglist = [];
1113
1114     # then resolve dependencies
1115     foreach my $pname (@$list) {
1116         __closure_single ($pkginfo, $closure, $pkghash, $pkglist, $pname, $self->{excl});
1117     }
1118
1119     return $pkglist;
1120 }
1121
1122 sub __closure_single {
1123     my ($pkginfo, $closure, $pkghash, $pkglist, $pname, $excl) = @_;
1124
1125     $pname =~ s/^\s+//;
1126     $pname =~ s/\s+$//;
1127     $pname =~ s/:any$//;
1128
1129     return if $closure->{$pname};
1130
1131     my $info = $pkginfo->{$pname} || die "no such package '$pname'";
1132
1133     my $dep = $info->{depends};
1134     my $predep = $info->{'pre-depends'};
1135
1136     my $size = $info->{size};
1137     my $url = $info->{url};
1138
1139     $url || die "$pname: no url for package '$pname'";
1140
1141     if (!$pkghash->{$pname}) {
1142         unshift @$pkglist, $pname;
1143         $pkghash->{$pname} = 1;
1144     }
1145
1146     __record_provides ($pkginfo, $closure, [$pname]) if $info->{provides};
1147
1148     $closure->{$pname} = 1;
1149
1150     #print "$url\n";
1151
1152     my @l;
1153
1154     push  @l, split (/,/, $predep) if $predep;
1155     push  @l, split (/,/, $dep) if $dep;
1156
1157   DEPEND: foreach my $p (@l) {
1158       my @l1 = split (/\|/, $p);
1159       foreach my $p1 (@l1) {
1160           if ($p1 =~ m/^\s*(\S+).*/) {
1161               #printf (STDERR "$pname: $p --> $1\n");
1162               if ($closure->{$1}) {
1163                   next DEPEND; # dependency already met
1164               }
1165           }
1166       }
1167       # search for non-excluded alternative
1168       my $found;
1169       foreach my $p1 (@l1) {
1170           if ($p1 =~ m/^\s*(\S+).*/) {
1171               next if grep { $1 eq $_ } @$excl;
1172               $found = $1;
1173               last;
1174           }
1175       }
1176       die "package '$pname' depends on exclusion '$p'\n" if !$found;
1177
1178       #printf (STDERR "$pname: $p --> $found\n");
1179
1180       __closure_single ($pkginfo, $closure, $pkghash, $pkglist, $found, $excl);
1181   }
1182 }
1183
1184 sub cache_packages {
1185     my ($self, $pkglist) = @_;
1186
1187     foreach my $pkg (@$pkglist) {
1188         $self->getpkgfile ($pkg);
1189     }
1190 }
1191
1192 sub getpkgfile {
1193     my ($self, $pkg) = @_;
1194
1195     my $pkginfo = $self->pkginfo();
1196     my $info = $pkginfo->{$pkg} || die "no such package '$pkg'";
1197     my $cachedir = $self->{cachedir};
1198
1199     my $url = $info->{url};
1200
1201     my $filename;
1202     if ($url =~ m|/([^/]+.deb)$|) {
1203         $filename = $1;
1204     } else {
1205         die "internal error";
1206     }
1207
1208     return $filename if -f "$cachedir/$filename";
1209
1210     mkpath $cachedir;
1211
1212     $self->download ($url, "$cachedir/$filename");
1213
1214     return $filename;
1215 }
1216
1217 sub install_init_script {
1218     my ($self, $script, $runlevel, $prio) = @_;
1219
1220     my $suite = $self->{config}->{suite};
1221     my $rootdir = $self->{rootfs};
1222
1223     my $base = basename ($script);
1224     my $target = "$rootdir/etc/init.d/$base";
1225
1226     $self->run_command ("install -m 0755 '$script' '$target'");
1227     if ($suite eq 'etch' || $suite eq 'lenny') {
1228         $self->ve_command ("update-rc.d $base start $prio $runlevel .");
1229     } elsif ($suite eq 'xenial' || $suite eq 'wily' || $suite eq 'vivid' ||
1230              $suite eq 'yakkety' || $suite eq 'zesty' || $suite eq 'artful' ||
1231              $suite eq 'bionic' || $suite eq 'cosmic' || $suite eq 'disco' ||
1232              $suite eq 'eoan') {
1233         die "unable to install init script (system uses systemd)\n";
1234     } elsif ($suite eq 'trusty' || $suite eq 'precise') {
1235         die "unable to install init script (system uses upstart)\n";
1236     } else {
1237         $self->ve_command ("insserv $base");
1238     }
1239
1240     return $target;
1241 }
1242
1243 sub bootstrap {
1244     my ($self, $opts) = @_;
1245
1246     my $pkginfo = $self->pkginfo();
1247     my $veid = $self->{veid};
1248     my $suite = $self->{config}->{suite};
1249
1250     my $important = [ @{$self->{incl}} ];
1251     my $required;
1252     my $standard;
1253
1254     my $mta = $opts->{exim} ? 'exim' : 'postfix';
1255
1256     if ($mta eq 'postfix') {
1257         push @$important, "postfix";
1258     }
1259
1260     foreach my $p (sort keys %$pkginfo) {
1261         next if grep { $p eq $_ } @{$self->{excl}};
1262         my $pri = $pkginfo->{$p}->{priority};
1263         next if !$pri;
1264         next if $mta ne 'exim' && $p =~ m/exim/;
1265         next if $p =~ m/(selinux|semanage|policycoreutils)/;
1266
1267         push @$required, $p  if $pri eq 'required';
1268         push @$important, $p if $pri eq 'important';
1269         push @$standard, $p if $pri eq 'standard' && !$opts->{minimal};
1270     }
1271
1272     my $closure = {};
1273     $required = $self->closure ($closure, $required);
1274     $important = $self->closure ($closure, $important);
1275
1276     if (!$opts->{minimal}) {
1277         push @$standard, 'xbase-clients';
1278         $standard = $self->closure ($closure, $standard);
1279     }
1280
1281     # test if we have all 'ubuntu-minimal' and 'ubuntu-standard' packages
1282     # except those explicitly excluded
1283     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1284         my $mdeps = $pkginfo->{'ubuntu-minimal'}->{depends};
1285         foreach my $d (split (/,/, $mdeps)) {
1286             if ($d =~ m/^\s*(\S+)$/) {
1287                 my $pkg = $1;
1288                 next if $closure->{$pkg};
1289                 next if grep { $pkg eq $_ } @{$self->{excl}};
1290                 die "missing ubuntu-minimal package '$pkg'\n";
1291             }
1292         }
1293         if (!$opts->{minimal}) {
1294             $mdeps = $pkginfo->{'ubuntu-standard'}->{depends};
1295             foreach my $d (split (/,/, $mdeps)) {
1296                 if ($d =~ m/^\s*(\S+)$/) {
1297                     my $pkg = $1;
1298                     next if $closure->{$pkg};
1299                     next if grep { $pkg eq $_ } @{$self->{excl}};
1300                     die "missing ubuntu-standard package '$pkg'\n";
1301                 }
1302             }
1303         }
1304     }
1305
1306     # download/cache all files first
1307     $self->cache_packages ($required);
1308     $self->cache_packages ($important);
1309     $self->cache_packages ($standard);
1310
1311     my $rootdir = $self->{rootfs};
1312
1313     # extract required packages first
1314     $self->logmsg ("create basic environment\n");
1315     foreach my $p (@$required) {
1316         my $filename = $self->getpkgfile ($p);
1317         my $content = $self->run_command("ar -t '$self->{cachedir}/$filename'", undef, 1);
1318         if ($content =~ m/^data.tar.xz$/m) {
1319             $self->run_command ("ar -p '$self->{cachedir}/$filename' data.tar.xz | tar -C '$rootdir' -xJf -");
1320         } else {
1321             $self->run_command ("ar -p '$self->{cachedir}/$filename' data.tar.gz | tar -C '$rootdir' -xzf -");
1322         }
1323     }
1324
1325     # fake dpkg status
1326     my $data = "Package: dpkg\n" .
1327         "Version: $pkginfo->{dpkg}->{version}\n" .
1328         "Status: install ok installed\n";
1329
1330     write_file ($data, "$rootdir/var/lib/dpkg/status");
1331     write_file ("", "$rootdir/var/lib/dpkg/info/dpkg.list");
1332     write_file ("", "$rootdir/var/lib/dpkg/available");
1333
1334     $data = '';
1335     foreach my $ss (@{$self->{sources}}) {
1336         my $url = $ss->{source};
1337         my $comp = join (' ', @{$ss->{comp}});
1338         $data .= "deb $url $ss->{suite} $comp\n\n";
1339     }
1340
1341     write_file ($data, "$rootdir/etc/apt/sources.list");
1342
1343     $data = "# UNCONFIGURED FSTAB FOR BASE SYSTEM\n";
1344     write_file ($data, "$rootdir/etc/fstab", 0644);
1345
1346     write_file ("localhost\n", "$rootdir/etc/hostname", 0644);
1347
1348     # avoid warnings about non-existent resolv.conf
1349     write_file ("", "$rootdir/etc/resolv.conf", 0644);
1350
1351     if ($suite eq 'eoan' || $suite eq 'disco' || $suite eq 'cosmic' ||
1352         $suite eq 'bionic' || $suite eq 'artful' ||
1353         $suite eq 'zesty' || $suite eq 'yakkety' || $suite eq 'xenial' ||
1354         $suite eq 'wily') {
1355         # no need to configure loopback device
1356     } else {
1357         $data = "auto lo\niface lo inet loopback\n";
1358         mkdir "$rootdir/etc/network";
1359         write_file ($data, "$rootdir/etc/network/interfaces", 0644);
1360     }
1361
1362     # setup devices
1363     $self->run_command ("tar xzf '$devicetar' -C '$rootdir'");
1364
1365     # avoid warnings about missing default locale
1366     write_file ("LANG=\"C\"\n", "$rootdir/etc/default/locale", 0644);
1367
1368     # fake init
1369     rename ("$rootdir/sbin/init", "$rootdir/sbin/init.org");
1370     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1371
1372     $self->run_command ("cp '$default_env' '$rootdir/sbin/defenv'");
1373
1374     $self->run_command ("lxc-start -n $veid -f $self->{veconffile}");
1375
1376     $self->logmsg ("initialize ld cache\n");
1377     $self->ve_command ("/sbin/ldconfig");
1378     $self->run_command ("ln -sf mawk '$rootdir/usr/bin/awk'");
1379
1380     $self->logmsg ("installing packages\n");
1381
1382     $self->ve_dpkg ('install', 'base-files', 'base-passwd');
1383
1384     $self->ve_dpkg ('install', 'dpkg');
1385
1386     $self->run_command ("ln -sf /usr/share/zoneinfo/UTC '$rootdir/etc/localtime'");
1387
1388     $self->run_command ("ln -sf bash '$rootdir/bin/sh'");
1389
1390     $self->ve_dpkg ('install', 'libc6');
1391     $self->ve_dpkg ('install', 'perl-base');
1392
1393     unlink "$rootdir/usr/bin/awk";
1394
1395     $self->ve_dpkg ('install', 'mawk');
1396     $self->ve_dpkg ('install', 'debconf');
1397
1398     # unpack required packages
1399     foreach my $p (@$required) {
1400         $self->ve_dpkg ('unpack', $p);
1401     }
1402
1403     rename ("$rootdir/sbin/init.org", "$rootdir/sbin/init");
1404     $self->ve_divert_add ("/sbin/init");
1405     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1406
1407     # disable service activation
1408     $self->ve_divert_add ("/usr/sbin/policy-rc.d");
1409     $data = "#!/bin/sh\nexit 101\n";
1410     write_file ($data, "$rootdir/usr/sbin/policy-rc.d", 755);
1411
1412     # disable start-stop-daemon
1413     $self->ve_divert_add ("/sbin/start-stop-daemon");
1414     $data = <<EOD;
1415 #!/bin/sh
1416 echo
1417 echo \"Warning: Fake start-stop-daemon called, doing nothing\"
1418 EOD
1419     write_file ($data, "$rootdir/sbin/start-stop-daemon", 0755);
1420
1421     # disable udevd
1422     $self->ve_divert_add ("/sbin/udevd");
1423
1424     if ($suite eq 'etch') {
1425         # disable apache2 startup
1426         write_file ("NO_START=1\n", "$rootdir/etc/default/apache2");
1427     }
1428
1429     $self->logmsg ("configure required packages\n");
1430     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1431
1432     # set postfix defaults
1433     if ($mta eq 'postfix') {
1434         $data = "postfix postfix/main_mailer_type select Local only\n";
1435         $self->ve_debconfig_set ($data);
1436
1437         $data = "postmaster: root\nwebmaster: root\n";
1438         write_file ($data, "$rootdir/etc/aliases");
1439     }
1440
1441     if ($suite eq 'jaunty') {
1442         # jaunty does not create /var/run/network, so network startup fails.
1443         # so we do not use tmpfs for /var/run and /var/lock
1444         $self->run_command ("sed -e 's/RAMRUN=yes/RAMRUN=no/' -e 's/RAMLOCK=yes/RAMLOCK=no/'  -i $rootdir/etc/default/rcS");
1445         # and create the directory here
1446         $self->run_command ("mkdir $rootdir/var/run/network");
1447     }
1448
1449     # unpack base packages
1450     foreach my $p (@$important) {
1451         $self->ve_dpkg ('unpack', $p);
1452     }
1453
1454     # start loopback
1455     if (-x "$rootdir/sbin/ifconfig") {
1456         $self->ve_command ("ifconfig lo up");
1457     } else {
1458         $self->ve_command ("ip link set lo up");
1459     }
1460
1461     $self->logmsg ("configure important packages\n");
1462     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1463
1464     if (-d "$rootdir/etc/event.d") {
1465         unlink <$rootdir/etc/event.d/tty*>;
1466     }
1467
1468     if (-f "$rootdir/etc/inittab") {
1469         $self->run_command ("sed -i -e '/getty\\s38400\\stty[23456]/d' '$rootdir/etc/inittab'");
1470     }
1471
1472     # Link /etc/mtab to /proc/mounts, so df and friends will work:
1473     unlink "$rootdir/etc/mtab";
1474     $self->ve_command ("ln -s /proc/mounts /etc/mtab");
1475
1476     # reset password
1477     $self->ve_command ("usermod -L root");
1478
1479     if ($mta eq 'postfix') {
1480         $data = "postfix postfix/main_mailer_type select No configuration\n";
1481         $self->ve_debconfig_set ($data);
1482
1483         unlink "$rootdir/etc/mailname";
1484         write_file ($postfix_main_cf, "$rootdir/etc/postfix/main.cf");
1485     }
1486
1487     if (!$opts->{minimal}) {
1488         # unpack standard packages
1489         foreach my $p (@$standard) {
1490             $self->ve_dpkg ('unpack', $p);
1491         }
1492
1493         $self->logmsg ("configure standard packages\n");
1494         $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1495     }
1496
1497     # disable HWCLOCK access
1498     $self->run_command ("echo 'HWCLOCKACCESS=no' >> '$rootdir/etc/default/rcS'");
1499
1500     # disable hald
1501     $self->ve_divert_add ("/usr/sbin/hald");
1502
1503     # disable /dev/urandom init
1504     $self->run_command ("install -m 0755 '$script_init_urandom' '$rootdir/etc/init.d/urandom'");
1505
1506     if ($suite eq 'etch' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1507         # avoid klogd start
1508         $self->ve_divert_add ("/sbin/klogd");
1509     }
1510
1511     # remove unnecessays sysctl entries to avoid warnings
1512     my $cmd = 'sed';
1513     $cmd .= ' -e \'s/^\(kernel\.printk.*\)/#\1/\'';
1514     $cmd .= ' -e \'s/^\(kernel\.maps_protect.*\)/#\1/\'';
1515     $cmd .= ' -e \'s/^\(fs\.inotify\.max_user_watches.*\)/#\1/\'';
1516     $cmd .= ' -e \'s/^\(vm\.mmap_min_addr.*\)/#\1/\'';
1517     $cmd .= " -i '$rootdir/etc/sysctl.conf'";
1518     $self->run_command ($cmd);
1519
1520     my $bindv6only = "$rootdir/etc/sysctl.d/bindv6only.conf";
1521     if (-f $bindv6only) {
1522         $cmd = 'sed';
1523         $cmd .= ' -e \'s/^\(net\.ipv6\.bindv6only.*\)/#\1/\'';
1524         $cmd .= " -i '$bindv6only'";
1525         $self->run_command ($cmd);
1526     }
1527
1528     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1529         # disable tty init (console-setup)
1530         my $cmd = 'sed';
1531         $cmd .= ' -e \'s/^\(ACTIVE_CONSOLES=.*\)/ACTIVE_CONSOLES=/\'';
1532         $cmd .= " -i '$rootdir/etc/default/console-setup'";
1533         $self->run_command ($cmd);
1534     }
1535
1536     if ($suite eq 'intrepid') {
1537         # remove sysctl setup (avoid warnings at startup)
1538         my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
1539         $filelist .= " $rootdir/etc/sysctl.d/10-process-security.conf";
1540         $filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
1541         $self->run_command ("rm $filelist");
1542     }
1543     if ($suite eq 'jaunty') {
1544         # remove sysctl setup (avoid warnings at startup)
1545         my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
1546         $filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
1547         $self->run_command ("rm $filelist");
1548     }
1549 }
1550
1551 sub enter {
1552     my ($self) = @_;
1553
1554     my $veid = $self->{veid};
1555     my $conffile = $self->{veconffile};
1556
1557     my $vestat = $self->ve_status();
1558
1559     if (!$vestat->{exist}) {
1560         $self->logmsg ("Please create the appliance first (bootstrap)");
1561         return;
1562     }
1563
1564     if (!$vestat->{running}) {
1565         $self->run_command ("lxc-start -n $veid -f $conffile");
1566     }
1567
1568     system ("lxc-attach -n $veid --rcfile $conffile --clear-env");
1569 }
1570
1571 sub ve_mysql_command {
1572     my ($self, $sql, $password) = @_;
1573
1574     #my $bootstrap = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1575     #"--skip-bdb  --skip-innodb --skip-ndbcluster";
1576
1577     $self->ve_command ("mysql", $sql);
1578 }
1579
1580 sub ve_mysql_bootstrap {
1581     my ($self, $sql, $password) = @_;
1582
1583     my $cmd;
1584
1585     my $suite = $self->{config}->{suite};
1586
1587     if ($suite eq 'jessie') {
1588         my $rootdir = $self->{rootfs};
1589         $self->run_command ("sed -e 's/^key_buffer\\s*=/key_buffer_size =/' -i $rootdir/etc/mysql/my.cnf");
1590     }
1591
1592     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie') {
1593         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables";
1594
1595     } else {
1596         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1597             "--skip-bdb  --skip-innodb --skip-ndbcluster";
1598     }
1599
1600     $self->ve_command ($cmd, $sql);
1601 }
1602
1603 sub compute_required {
1604     my ($self, $pkglist) = @_;
1605
1606     my $pkginfo = $self->pkginfo();
1607     my $instpkgs = $self->read_installed ();
1608
1609     my $closure = {};
1610     __record_provides ($pkginfo, $closure, [keys %$instpkgs]);
1611
1612     return $self->closure ($closure, $pkglist);
1613 }
1614
1615 sub task_postgres {
1616     my ($self, $opts) = @_;
1617
1618     my @supp = ('7.4', '8.1');
1619     my $pgversion = '8.1';
1620
1621     my $suite = $self->{config}->{suite};
1622
1623     if ($suite eq 'lenny' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1624         @supp = ('8.3');
1625         $pgversion = '8.3';
1626     } elsif ($suite eq 'squeeze') {
1627         @supp = ('8.4');
1628         $pgversion = '8.4';
1629     } elsif ($suite eq 'wheezy') {
1630         @supp = ('9.1');
1631         $pgversion = '9.1';
1632     } elsif ($suite eq 'jessie') {
1633         @supp = ('9.4');
1634         $pgversion = '9.4';
1635     } elsif ($suite eq 'stretch') {
1636         @supp = ('9.6');
1637         $pgversion = '9.6';
1638     } elsif ($suite eq 'buster') {
1639         @supp = ('11');
1640         $pgversion = '11';
1641     }
1642
1643     $pgversion = $opts->{version} if $opts->{version};
1644
1645     die "unsupported postgres version '$pgversion'\n"
1646         if !grep { $pgversion eq $_; } @supp;
1647
1648     my $rootdir = $self->{rootfs};
1649
1650     my $required = $self->compute_required (["postgresql-$pgversion"]);
1651
1652     $self->cache_packages ($required);
1653
1654     $self->ve_dpkg ('install', @$required);
1655
1656     my $iscript = "postgresql-$pgversion";
1657     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie' ||
1658         $suite eq 'stretch') {
1659         $iscript = 'postgresql';
1660     }
1661
1662     $self->ve_command ("/etc/init.d/$iscript start") if $opts->{start};
1663 }
1664
1665 sub task_mysql {
1666     my ($self, $opts) = @_;
1667
1668     my $password = $opts->{password};
1669     my $rootdir = $self->{rootfs};
1670
1671     my $suite = $self->{config}->{suite};
1672
1673     my $ver = '5.0';
1674     if ($suite eq 'squeeze') {
1675       $ver = '5.1';
1676     } elsif ($suite eq 'wheezy' || $suite eq 'jessie') {
1677       $ver = '5.5';
1678     } else {
1679         die "task_mysql: unsupported suite '$suite'";
1680     }
1681
1682     my $required = $self->compute_required (['mysql-common', "mysql-server-$ver"]);
1683
1684     $self->cache_packages ($required);
1685
1686     $self->ve_dpkg ('install', @$required);
1687
1688     # fix security (see /usr/bin/mysql_secure_installation)
1689     my $sql = "DELETE FROM mysql.user WHERE User='';\n" .
1690         "DELETE FROM mysql.user WHERE User='root' AND Host!='localhost';\n" .
1691         "FLUSH PRIVILEGES;\n";
1692     $self->ve_mysql_bootstrap ($sql);
1693
1694     if ($password) {
1695
1696         my $rpw = $password eq 'random' ? 'admin' : $password;
1697
1698         my $sql = "USE mysql;\n" .
1699             "UPDATE user SET password=PASSWORD(\"$rpw\") WHERE user='root';\n" .
1700             "FLUSH PRIVILEGES;\n";
1701         $self->ve_mysql_bootstrap ($sql);
1702
1703         write_file ("[client]\nuser=root\npassword=\"$rpw\"\n", "$rootdir/root/.my.cnf", 0600);
1704         if ($password eq 'random') {
1705             $self->install_init_script ($script_mysql_randompw, 2, 20);
1706         }
1707     }
1708
1709     $self->ve_command ("/etc/init.d/mysql start") if $opts->{start};
1710 }
1711
1712 sub task_php {
1713     my ($self, $opts) = @_;
1714
1715     my $memlimit = $opts->{memlimit};
1716     my $rootdir = $self->{rootfs};
1717
1718     my $required = $self->compute_required ([qw (php5 php5-cli libapache2-mod-php5 php5-gd)]);
1719
1720     $self->cache_packages ($required);
1721
1722     $self->ve_dpkg ('install', @$required);
1723
1724     if ($memlimit) {
1725         $self->run_command ("sed -e 's/^\\s*memory_limit\\s*=.*;/memory_limit = ${memlimit}M;/' -i $rootdir/etc/php5/apache2/php.ini");
1726     }
1727 }
1728
1729 sub install {
1730     my ($self, $pkglist, $unpack) = @_;
1731
1732     my $required = $self->compute_required ($pkglist);
1733
1734     $self->cache_packages ($required);
1735
1736     $self->ve_dpkg ($unpack ? 'unpack' : 'install', @$required);
1737 }
1738
1739 sub cleanup {
1740     my ($self, $distclean) = @_;
1741
1742     unlink $self->{logfile};
1743     unlink "$self->{targetname}.tar";
1744     unlink "$self->{targetname}.tar.gz";
1745
1746     $self->ve_destroy ();
1747     unlink ".veid";
1748
1749     rmtree $self->{cachedir} if $distclean && !$self->{config}->{cachedir};
1750
1751     rmtree $self->{infodir};
1752
1753 }
1754
1755 1;