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