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 'stretch') {
 323         $config->{ostype} = "debian-9.0";
 324     } elsif ($suite eq 'jessie') {
 325          $config->{ostype} = "debian-8.0";
 326     } elsif ($suite eq 'wheezy') {
 327          $config->{ostype} = "debian-7.0";
 328     } elsif ($suite eq 'squeeze') {
 329         $config->{ostype} = "debian-6.0";
 330     } elsif ($suite eq 'lenny') {
 331         $config->{ostype} = "debian-5.0";
 332     } elsif ($suite eq 'etch') {
 333         $config->{ostype} = "debian-4.0";
 334     } elsif ($suite eq 'hardy') {
 335         $config->{ostype} = "ubuntu-8.04";
 336     } elsif ($suite eq 'intrepid') {
 337         $config->{ostype} = "ubuntu-8.10";
 338     } elsif ($suite eq 'jaunty') {
 339         $config->{ostype} = "ubuntu-9.04";
 340     } elsif ($suite eq 'precise') {
 341         $config->{ostype} = "ubuntu-12.04";
 342     } elsif ($suite eq 'trusty') {
 343         $config->{ostype} = "ubuntu-14.04";
 344     } elsif ($suite eq 'vivid') {
 345         $config->{ostype} = "ubuntu-15.04";
 346     } elsif ($suite eq 'wily') {
 347         $config->{ostype} = "ubuntu-15.10";
 348     } elsif ($suite eq 'xenial') {
 349         $config->{ostype} = "ubuntu-16.04";
 350     } elsif ($suite eq 'yakkety') {
 351         $config->{ostype} = "ubuntu-16.10";
 352     } else {
 353         die "unsupported debian suite '$suite'\n";
 354     }
 355
 356     my $name = $config->{name} || die "no 'name' specified\n";
 357
 358     $name =~ m/^[a-z][0-9a-z\-\*\.]+$/ ||
 359         die "illegal characters in name '$name'\n";
 360
 361     my $version = $config->{version};
 362     die "no 'version' specified\n" if !$version;
 363     die "no 'section' specified\n" if !$config->{section};
 364     die "no 'description' specified\n" if !$config->{headline};
 365     die "no 'maintainer' specified\n" if !$config->{maintainer};
 366
 367     if ($name =~ m/^$config->{ostype}/) {
 368         $self->{targetname} = "${name}_${version}_$config->{architecture}";
 369     } else {
 370         $self->{targetname} = "$config->{ostype}-${name}_" .
 371             "${version}_$config->{architecture}";
 372     }
 373
 374     if (!$config->{source}) {
 375         if ($suite eq 'etch' || $suite eq 'lenny') {
 376             push @{$config->{source}}, "http://ftp.debian.org/debian SUITE main contrib";
 377             push @{$config->{source}}, "http://security.debian.org SUITE/updates main contrib";
 378         } elsif ($suite eq 'squeeze' || $suite eq 'wheezy' ||
 379                  $suite eq 'jessie' || $suite eq 'stretch' ) {
 380             push @{$config->{source}}, "http://ftp.debian.org/debian SUITE main contrib";
 381             push @{$config->{source}}, "http://ftp.debian.org/debian SUITE-updates main contrib";
 382             push @{$config->{source}}, "http://security.debian.org SUITE/updates main contrib";
 383         } elsif ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty' ||
 384                  $suite eq 'xenial' || $suite eq 'wily' || $suite eq 'vivid' ||
 385                  $suite eq 'trusty' || $suite eq 'precise' || $suite eq 'yakkety') {
 386             my $comp = "main restricted universe multiverse";
 387             push @{$config->{source}}, "http://archive.ubuntu.com/ubuntu SUITE $comp";
 388             push @{$config->{source}}, "http://archive.ubuntu.com/ubuntu SUITE-updates $comp";
 389             push @{$config->{source}}, "http://archive.ubuntu.com/ubuntu SUITE-security $comp";
 390         } else {
 391             die "implement me";
 392         }
 393     }
 394
 395     my $sources = undef;
 396
 397     foreach my $s (@{$config->{source}}) {
 398         if ($s =~ m@^\s*((http|ftp)://\S+)\s+(\S+)((\s+(\S+))+)$@) {
 399             my ($url, $su, $components) = ($1, $3, $4);
 400             $su =~ s/SUITE/$suite/;
 401             $components =~ s/^\s+//;
 402             $components =~ s/\s+$//;
 403             my $ca;
 404             foreach my $co (split (/\s+/, $components)) {
 405                 push @$ca, $co;
 406             }
 407             $ca = ['main'] if !$ca;
 408
 409             push @$sources, {
 410                 source => $url,
 411                 comp => $ca,
 412                 suite => $su,
 413             };
 414         } else {
 415             die "syntax error in source spezification '$s'\n";
 416         }
 417     }
 418
 419     foreach my $m (@{$config->{mirror}}) {
 420         if ($m =~ m@^\s*((http|ftp)://\S+)\s*=>\s*((http|ftp)://\S+)\s*$@) {
 421             my ($ms, $md) = ($1, $3);
 422             my $found;
 423             foreach my $ss (@$sources) {
 424                 if ($ss->{source} eq $ms) {
 425                     $found = 1;
 426                     $ss->{mirror} = $md;
 427                     last;
 428                 }
 429             }
 430             die "unusable mirror $ms\n" if !$found;
 431         } else {
 432             die "syntax error in mirror spezification '$m'\n";
 433         }
 434     }
 435
 436     $self->{sources} = $sources;
 437
 438     $self->{infodir} = "info";
 439
 440     $self->__allocate_ve ();
 441
 442     $self->{cachedir} = ($config->{cachedir} || 'cache')  . "/$suite";;
 443
 444     my $incl = [qw (less ssh openssh-server logrotate)];
 445
 446     my $excl = [qw (modutils reiserfsprogs ppp pppconfig pppoe
 447                     pppoeconf nfs-common mtools ntp)];
 448
 449     # ubuntu has too many dependencies on udev, so
 450     # we cannot exclude it (instead we disable udevd)
 451
 452     if ($suite eq 'vivid' || $suite eq 'wily' || $suite eq 'xenial' ||
 453         $suite eq 'yakkety') {
 454         push @$incl, 'isc-dhcp-client';
 455         push @$excl, qw(libmodule-build-perl);
 456     } elsif ($suite eq 'trusty') {
 457         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+);
 458    } elsif ($suite eq 'precise') {
 459         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+ ubuntu-standard);
 460     } elsif ($suite eq 'hardy') {
 461         push @$excl, qw(kbd);
 462         push @$excl, qw(apparmor apparmor-utils ntfs-3g
 463                         friendly-recovery);
 464     } elsif ($suite eq 'intrepid' || $suite eq 'jaunty') {
 465         push @$excl, qw(apparmor apparmor-utils libapparmor1 libapparmor-perl
 466                         libntfs-3g28 ntfs-3g friendly-recovery);
 467     } elsif ($suite eq 'jessie') {
 468         push @$incl, 'sysvinit-core'; # avoid systemd and udev
 469         push @$incl, 'libperl4-corelibs-perl'; # to make lsof happy
 470         push @$excl, qw(systemd systemd-sysv udev module-init-tools pciutils hdparm
 471                         memtest86+ parted);
 472     } elsif ($suite eq 'stretch') {
 473         push @$excl, qw(module-init-tools pciutils hdparm
 474                         memtest86+ parted);
 475      } else {
 476         push @$excl, qw(udev module-init-tools pciutils hdparm
 477                         memtest86+ parted);
 478     }
 479
 480     $self->{incl} = $incl;
 481     $self->{excl} = $excl;
 482
 483     return $self;
 484 }
 485
 486 sub initialize {
 487     my ($self) = @_;
 488
 489     my $infodir = $self->{infodir};
 490     my $arch = $self->{config}->{architecture};
 491
 492     rmtree $infodir;
 493     mkpath $infodir;
 494
 495     # truncate log
 496     my $logfd = $self->{logfd} = IO::File->new (">$self->{logfile}") ||
 497         die "unable to open log file";
 498
 499     foreach my $ss (@{$self->{sources}}) {
 500         my $src = $ss->{mirror} || $ss->{source};
 501         my $path = "dists/$ss->{suite}/Release";
 502         my $url = "$src/$path";
 503         my $target = __url_to_filename ("$ss->{source}/$path");
 504         eval {
 505             $self->download ($url, "$infodir/$target");
 506             $self->download ("$url.gpg", "$infodir/$target.gpg");
 507             # fixme: impl. verify (needs --keyring option)
 508         };
 509         if (my $err = $@) {
 510             print $logfd $@;
 511             warn "Release info ignored\n";
 512         };
 513         foreach my $comp (@{$ss->{comp}}) {
 514             $path = "dists/$ss->{suite}/$comp/binary-$arch/Packages.gz";
 515             $target = "$infodir/" . __url_to_filename ("$ss->{source}/$path");
 516             my $pkgsrc = "$src/$path";
 517             $self->download ($pkgsrc, $target);
 518             $self->run_command ("gzip -d '$target'");
 519         }
 520     }
 521 }
 522
 523 sub write_config {
 524     my ($self, $filename, $size) = @_;
 525
 526     my $config = $self->{config};
 527
 528     my $data = '';
 529
 530     $data .= "Name: $config->{name}\n";
 531     $data .= "Version: $config->{version}\n";
 532     $data .= "Type: lxc\n";
 533     $data .= "OS: $config->{ostype}\n";
 534     $data .= "Section: $config->{section}\n";
 535     $data .= "Maintainer: $config->{maintainer}\n";
 536     $data .= "Architecture: $config->{architecture}\n";
 537     $data .= "Installed-Size: $size\n";
 538
 539     # optional
 540     $data .= "Infopage: $config->{infopage}\n" if $config->{infopage};
 541     $data .= "ManageUrl: $config->{manageurl}\n" if $config->{manageurl};
 542     $data .= "Certified: $config->{certified}\n" if $config->{certified};
 543
 544     # description
 545     $data .= "Description: $config->{headline}\n";
 546     $data .= "$config->{description}\n" if $config->{description};
 547
 548     write_file ($data, $filename, 0644);
 549 }
 550
 551 sub finalize {
 552     my ($self, $opts) = @_;
 553
 554     my $suite = $self->{config}->{suite};
 555     my $infodir = $self->{infodir};
 556     my $arch = $self->{config}->{architecture};
 557
 558     my $instpkgs = $self->read_installed ();
 559     my $pkginfo = $self->pkginfo();
 560     my $veid = $self->{veid};
 561     my $conffile = $self->{veconffile};
 562     my $rootdir = $self->{rootfs};
 563
 564     my $vestat = $self->ve_status();
 565     die "ve not running - unable to finalize\n" if !$vestat->{running};
 566
 567     # cleanup mysqld
 568     if (-f "$rootdir/etc/init.d/mysql") {
 569         $self->ve_command ("/etc/init.d/mysql stop");
 570     }
 571
 572     if (!($opts->{keepmycnf} || (-f "$rootdir/etc/init.d/mysql_randompw"))) {
 573         unlink "$rootdir/root/.my.cnf";
 574     }
 575
 576     if ($suite eq 'etch') {
 577         # enable apache2 startup
 578         if ($instpkgs->{apache2}) {
 579             write_file ("NO_START=0\n", "$rootdir/etc/default/apache2");
 580         } else {
 581             unlink "$rootdir/etc/default/apache2";
 582         }
 583     }
 584     $self->logmsg ("cleanup package status\n");
 585     # prevent auto selection of all standard, required or important
 586     # packages which are not installed
 587     foreach my $pkg (keys %$pkginfo) {
 588         my $pri = $pkginfo->{$pkg}->{priority};
 589         if ($pri && ($pri eq 'required' || $pri eq 'important'
 590                      || $pri eq 'standard')) {
 591             if (!$instpkgs->{$pkg}) {
 592                 $self->ve_dpkg_set_selection ($pkg, 'purge');
 593             }
 594         }
 595     }
 596
 597     $self->ve_command ("apt-get clean");
 598
 599     $self->logmsg ("update available package list\n");
 600
 601     $self->ve_command ("dpkg --clear-avail");
 602     foreach my $ss (@{$self->{sources}}) {
 603         my $relsrc = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/Release");
 604         if (-f "$infodir/$relsrc" && -f "$infodir/$relsrc.gpg") {
 605             $self->run_command ("cp '$infodir/$relsrc' '$rootdir/var/lib/apt/lists/$relsrc'");
 606             $self->run_command ("cp '$infodir/$relsrc.gpg' '$rootdir/var/lib/apt/lists/$relsrc.gpg'");
 607         }
 608         foreach my $comp (@{$ss->{comp}}) {
 609             my $src = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/" .
 610                                          "$comp/binary-$arch/Packages");
 611             my $target = "/var/lib/apt/lists/$src";
 612             $self->run_command ("cp '$infodir/$src' '$rootdir/$target'");
 613             $self->ve_command ("dpkg --merge-avail '$target'");
 614         }
 615     }
 616
 617     # set dselect default method
 618     write_file ("apt apt\n", "$rootdir/var/lib/dpkg/cmethopt");
 619
 620     $self->ve_divert_remove ("/usr/sbin/policy-rc.d");
 621
 622     $self->ve_divert_remove ("/sbin/start-stop-daemon");
 623
 624     $self->ve_divert_remove ("/sbin/init");
 625
 626     # finally stop the VE
 627     $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 628
 629     unlink "$rootdir/sbin/defenv";
 630
 631     unlink <$rootdir/root/dead.letter*>;
 632
 633     unlink "$rootdir/var/log/init.log";
 634
 635     unlink "$rootdir/aquota.group";
 636
 637     unlink "$rootdir/aquota.user";
 638
 639     write_file ("", "$rootdir/var/log/syslog");
 640
 641     $self->logmsg ("detecting final size: ");
 642
 643     my $sizestr = $self->run_command ("du -sm $rootdir", undef, 1);
 644     my $size;
 645     if ($sizestr =~ m/^(\d+)\s+\Q$rootdir\E$/) {
 646         $size = $1;
 647     } else {
 648         die "unable to detect size\n";
 649     }
 650     $self->logmsg ("$size MB\n");
 651
 652     $self->write_config ("$rootdir/etc/appliance.info", $size);
 653
 654     $self->logmsg ("creating final appliance archive\n");
 655
 656     my $target = "$self->{targetname}.tar";
 657     unlink $target;
 658     unlink "$target.gz";
 659
 660     $self->run_command ("tar cpf $target --numeric-owner -C '$rootdir' ./etc/appliance.info");
 661     $self->run_command ("tar rpf $target --numeric-owner -C '$rootdir' --exclude ./etc/appliance.info .");
 662     $self->run_command ("gzip $target");
 663 }
 664
 665 sub read_installed {
 666     my ($self) = @_;
 667
 668     my $rootdir = $self->{rootfs};
 669
 670     my $pkgfilelist = "$rootdir/var/lib/dpkg/status";
 671     local $/ = '';
 672     open (PKGLST, "<$pkgfilelist") ||
 673         die "unable to open '$pkgfilelist'";
 674
 675     my $pkglist = {};
 676
 677     while (my $rec = <PKGLST>) {
 678         chomp $rec;
 679         $rec =~ s/\n\s+/ /g;
 680         $rec .= "\n";
 681         my $res = {};
 682
 683         while ($rec =~ s/^([^:]+):\s+(.*)\s*\n//) {
 684             $res->{lc $1} = $2;
 685         }
 686
 687         my $pkg = $res->{'package'};
 688         if (my $status = $res->{status}) {
 689             my @sa = split (/\s+/, $status);
 690             my $stat = $sa[0];
 691             if ($stat && ($stat ne 'purge')) {
 692                 $pkglist->{$pkg} = $res;
 693             }
 694         }
 695     }
 696
 697     close (PKGLST);
 698
 699     return $pkglist;
 700 }
 701
 702 sub ve_status {
 703     my ($self) = @_;
 704
 705     my $veid = $self->{veid};
 706
 707     my $res = { running => 0 };
 708
 709     $res->{exist} = 1 if -d "$self->{rootfs}/usr";
 710
 711     my $filename = "/proc/net/unix";
 712
 713     # similar test is used by lcxcontainers.c: list_active_containers
 714     my $fh = IO::File->new ($filename, "r");
 715     return $res if !$fh;
 716
 717     while (defined(my $line = <$fh>)) {
 718         if ($line =~ m/^[a-f0-9]+:\s\S+\s\S+\s\S+\s\S+\s\S+\s\d+\s(\S+)$/) {
 719             my $path = $1;
 720             if ($path =~ m!^@/\S+/$veid/command$!) {
 721                 $res->{running} = 1;
 722             }
 723         }
 724     }
 725     close($fh);
 726
 727     return $res;
 728 }
 729
 730 sub ve_command {
 731     my ($self, $cmd, $input) = @_;
 732
 733     my $veid = $self->{veid};
 734     my $conffile = $self->{veconffile};
 735
 736     if (ref ($cmd) eq 'ARRAY') {
 737         unshift @$cmd, 'lxc-attach', '-n', $veid, '--rcfile', $conffile, '--clear-env', '--', 'defenv';
 738         $self->run_command ($cmd, $input);
 739     } else {
 740         $self->run_command ("lxc-attach -n $veid --rcfile $conffile --clear-env -- defenv $cmd", $input);
 741     }
 742 }
 743
 744 # like ve_command, but pipes stdin correctly
 745 sub ve_exec {
 746     my ($self, @cmd) = @_;
 747
 748     my $veid = $self->{veid};
 749     my $conffile = $self->{veconffile};
 750
 751     my $reader;
 752     my $pid = open2($reader, "<&STDIN", 'lxc-attach', '-n', $veid,  '--rcfile', $conffile, '--',
 753                     'defenv', @cmd) || die "unable to exec command";
 754
 755     while (defined (my $line = <$reader>)) {
 756         $self->logmsg ($line);
 757     }
 758
 759     waitpid ($pid, 0);
 760     my $rc = $? >> 8;
 761
 762     die "ve_exec failed - status $rc\n" if $rc != 0;
 763 }
 764
 765 sub ve_divert_add {
 766     my ($self, $filename) = @_;
 767
 768     $self->ve_command ("dpkg-divert --add --divert '$filename.distrib' " .
 769                        "--rename '$filename'");
 770 }
 771 sub ve_divert_remove {
 772     my ($self, $filename) = @_;
 773
 774     my $rootdir = $self->{rootfs};
 775
 776     unlink "$rootdir/$filename";
 777     $self->ve_command ("dpkg-divert --remove --rename '$filename'");
 778 }
 779
 780 sub ve_debconfig_set {
 781     my ($self, $dcdata) = @_;
 782
 783     my $rootdir = $self->{rootfs};
 784     my $cfgfile = "/tmp/debconf.txt";
 785     write_file ($dcdata, "$rootdir/$cfgfile");
 786     $self->ve_command ("debconf-set-selections $cfgfile");
 787     unlink "$rootdir/$cfgfile";
 788 }
 789
 790 sub ve_dpkg_set_selection {
 791     my ($self, $pkg, $status) = @_;
 792
 793     $self->ve_command ("dpkg --set-selections", "$pkg $status");
 794 }
 795
 796 sub ve_dpkg {
 797     my ($self, $cmd, @pkglist) = @_;
 798
 799     return if !scalar (@pkglist);
 800
 801     my $pkginfo = $self->pkginfo();
 802
 803     my $rootdir = $self->{rootfs};
 804     my $cachedir = $self->{cachedir};
 805
 806     my @files;
 807
 808     foreach my $pkg (@pkglist) {
 809         my $filename = $self->getpkgfile ($pkg);
 810         $self->run_command ("cp '$cachedir/$filename' '$rootdir/$filename'");
 811         push @files, "/$filename";
 812         $self->logmsg ("$cmd: $pkg\n");
 813     }
 814
 815     my $fl = join (' ', @files);
 816
 817     if ($cmd eq 'install') {
 818         $self->ve_command ("dpkg --force-depends --force-confold --install $fl");
 819     } elsif ($cmd eq 'unpack') {
 820         $self->ve_command ("dpkg --force-depends --unpack $fl");
 821     } else {
 822         die "internal error";
 823     }
 824
 825     foreach my $fn (@files) { unlink "$rootdir$fn"; }
 826 }
 827
 828 sub ve_destroy {
 829     my ($self) = @_;
 830
 831     my $veid = $self->{veid}; # fixme
 832     my $conffile = $self->{veconffile};
 833
 834     my $vestat = $self->ve_status();
 835     if ($vestat->{running}) {
 836         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 837     }
 838
 839     rmtree $self->{rootfs};
 840     unlink $self->{veconffile};
 841 }
 842
 843 sub ve_init {
 844     my ($self) = @_;
 845
 846     my $veid = $self->{veid};
 847     my $conffile = $self->{veconffile};
 848
 849     $self->logmsg ("initialize VE $veid\n");
 850
 851     my $vestat = $self->ve_status();
 852     if ($vestat->{running}) {
 853         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 854     }
 855
 856     rmtree $self->{rootfs};
 857     mkpath $self->{rootfs};
 858 }
 859
 860 sub __deb_version_cmp {
 861     my ($cur, $op, $new) = @_;
 862
 863     if (system("dpkg", "--compare-versions", $cur, $op, $new) == 0) {
 864         return 1;
 865     }
 866
 867     return 0;
 868 }
 869
 870 sub __parse_packages {
 871     my ($pkginfo, $filename, $src) = @_;
 872
 873     local $/ = '';
 874     open (PKGLST, "<$filename") ||
 875         die "unable to open '$filename'";
 876
 877     while (my $rec = <PKGLST>) {
 878         $rec =~ s/\n\s+/ /g;
 879         chomp $rec;
 880         $rec .= "\n";
 881
 882         my $res = {};
 883
 884         while ($rec =~ s/^([^:]+):\s+(.*)\s*\n//) {
 885             $res->{lc $1} = $2;
 886         }
 887
 888         my $pkg = $res->{'package'};
 889         if ($pkg && $res->{'filename'}) {
 890             my $cur;
 891             if (my $info = $pkginfo->{$pkg}) {
 892                 $cur = $info->{version};
 893             }
 894             my $new = $res->{version};
 895             if (!$cur || __deb_version_cmp ($cur, 'lt', $new)) {
 896                 if ($src) {
 897                     $res->{url} = "$src/$res->{'filename'}";
 898                 } else {
 899                     die "no url for package '$pkg'" if !$res->{url};
 900                 }
 901                 $pkginfo->{$pkg} = $res;
 902             }
 903         }
 904     }
 905
 906     close (PKGLST);
 907 }
 908
 909 sub pkginfo {
 910     my ($self) = @_;
 911
 912     return $self->{pkginfo} if $self->{pkginfo};
 913
 914     my $infodir = $self->{infodir};
 915     my $arch = $self->{config}->{architecture};
 916
 917     my $availfn = "$infodir/available";
 918
 919     my $pkginfo = {};
 920     my $pkgcount = 0;
 921
 922     # reading 'available' is faster, because it only contains latest version
 923     # (no need to do slow version compares)
 924     if (-f $availfn) {
 925             __parse_packages ($pkginfo, $availfn);
 926             $self->{pkginfo} = $pkginfo;
 927             return $pkginfo;
 928     }
 929
 930     $self->logmsg ("generating available package list\n");
 931
 932     foreach my $ss (@{$self->{sources}}) {
 933         foreach my $comp (@{$ss->{comp}}) {
 934             my $url = "$ss->{source}/dists/$ss->{suite}/$comp/binary-$arch/Packages";
 935             my $pkgfilelist = "$infodir/" . __url_to_filename ($url);
 936
 937             my $src = $ss->{mirror} || $ss->{source};
 938
 939             __parse_packages ($pkginfo, $pkgfilelist, $src);
 940         }
 941     }
 942
 943     if (my $dep = $self->{config}->{depends}) {
 944         foreach my $d (split (/,/, $dep)) {
 945             if ($d =~ m/^\s*(\S+)\s*(\((\S+)\s+(\S+)\)\s*)?$/) {
 946                 my ($pkg, $op, $rver) = ($1, $3, $4);
 947                 $self->logmsg ("checking dependencies: $d\n");
 948                 my $info = $pkginfo->{$pkg};
 949                 die "package '$pkg' not available\n" if !$info;
 950                 if ($op) {
 951                     my $cver = $info->{version};
 952                     if (!__deb_version_cmp ($cver, $op, $rver)) {
 953                         die "detected wrong version '$cver'\n";
 954                     }
 955                 }
 956             } else {
 957                 die "syntax error in depends field";
 958             }
 959         }
 960     }
 961
 962     $self->{pkginfo} = $pkginfo;
 963
 964     my $tmpfn = "$availfn.tmp$$";
 965     my $fd = IO::File->new (">$tmpfn");
 966     foreach my $pkg (sort keys %$pkginfo) {
 967         my $info = $pkginfo->{$pkg};
 968         print $fd "package: $pkg\n";
 969         foreach my $k (sort keys %$info) {
 970             next if $k eq 'description';
 971             next if $k eq 'package';
 972             my $v = $info->{$k};
 973             print $fd "$k: $v\n" if $v;
 974         }
 975         print $fd "description: $info->{description}\n" if $info->{description};
 976         print $fd "\n";
 977     }
 978     close ($fd);
 979
 980     rename ($tmpfn, $availfn);
 981
 982     return $pkginfo;
 983 }
 984
 985 sub __record_provides {
 986     my ($pkginfo, $closure, $list, $skipself) = @_;
 987
 988     foreach my $pname (@$list) {
 989         my $info = $pkginfo->{$pname};
 990         # fixme: if someone install packages directly using dpkg, there
 991         # is no entry in 'available', only in 'status'. In that case, we
 992         # should extract info from $instpkgs
 993         if (!$info) {
 994             warn "hint: ignoring provides for '$pname' - package not in 'available' list.\n";
 995             next;
 996         }
 997         if (my $prov = $info->{provides}) {
 998             my @pl = split (',', $prov);
 999             foreach my $p (@pl) {
1000                 $p =~ m/\s*(\S+)/;
1001                 if (!($skipself && (grep { $1 eq $_ } @$list))) {
1002                     $closure->{$1} = 1;
1003                 }
1004             }
1005         }
1006         $closure->{$pname} = 1 if !$skipself;
1007     }
1008 }
1009
1010 sub closure {
1011     my ($self, $closure, $list) = @_;
1012
1013     my $pkginfo = $self->pkginfo();
1014
1015     # first, record provided packages
1016     __record_provides ($pkginfo, $closure, $list, 1);
1017
1018     my $pkgs = {};
1019
1020     # then resolve dependencies
1021     foreach my $pname (@$list) {
1022         __closure_single ($pkginfo, $closure, $pkgs, $pname, $self->{excl});
1023     }
1024
1025     return [ keys %$pkgs ];
1026 }
1027
1028 sub __closure_single {
1029     my ($pkginfo, $closure, $pkgs, $pname, $excl) = @_;
1030
1031     $pname =~ s/^\s+//;
1032     $pname =~ s/\s+$//;
1033     $pname =~ s/:any$//;
1034
1035     return if $closure->{$pname};
1036
1037     my $info = $pkginfo->{$pname} || die "no such package '$pname'";
1038
1039     my $dep = $info->{depends};
1040     my $predep = $info->{'pre-depends'};
1041
1042     my $size = $info->{size};
1043     my $url = $info->{url};
1044
1045     $url || die "$pname: no url for package '$pname'";
1046
1047     $pkgs->{$pname} = 1;
1048
1049     __record_provides ($pkginfo, $closure, [$pname]) if $info->{provides};
1050
1051     $closure->{$pname} = 1;
1052
1053     #print "$url\n";
1054
1055     my @l;
1056
1057     push  @l, split (/,/, $predep) if $predep;
1058     push  @l, split (/,/, $dep) if $dep;
1059
1060   DEPEND: foreach my $p (@l) {
1061       my @l1 = split (/\|/, $p);
1062       foreach my $p1 (@l1) {
1063           if ($p1 =~ m/^\s*(\S+).*/) {
1064               #printf (STDERR "$pname: $p --> $1\n");
1065               if ($closure->{$1}) {
1066                   next DEPEND; # dependency already met
1067               }
1068           }
1069       }
1070       # search for non-excluded alternative
1071       my $found;
1072       foreach my $p1 (@l1) {
1073           if ($p1 =~ m/^\s*(\S+).*/) {
1074               next if grep { $1 eq $_ } @$excl;
1075               $found = $1;
1076               last;
1077           }
1078       }
1079       die "package '$pname' depends on exclusion '$p'\n" if !$found;
1080
1081       #printf (STDERR "$pname: $p --> $found\n");
1082
1083       __closure_single ($pkginfo, $closure, $pkgs, $found, $excl);
1084   }
1085 }
1086
1087 sub cache_packages {
1088     my ($self, $pkglist) = @_;
1089
1090     foreach my $pkg (@$pkglist) {
1091         $self->getpkgfile ($pkg);
1092     }
1093 }
1094
1095 sub getpkgfile {
1096     my ($self, $pkg) = @_;
1097
1098     my $pkginfo = $self->pkginfo();
1099     my $info = $pkginfo->{$pkg} || die "no such package '$pkg'";
1100     my $cachedir = $self->{cachedir};
1101
1102     my $url = $info->{url};
1103
1104     my $filename;
1105     if ($url =~ m|/([^/]+.deb)$|) {
1106         $filename = $1;
1107     } else {
1108         die "internal error";
1109     }
1110
1111     return $filename if -f "$cachedir/$filename";
1112
1113     mkpath $cachedir;
1114
1115     $self->download ($url, "$cachedir/$filename");
1116
1117     return $filename;
1118 }
1119
1120 sub install_init_script {
1121     my ($self, $script, $runlevel, $prio) = @_;
1122
1123     my $suite = $self->{config}->{suite};
1124     my $rootdir = $self->{rootfs};
1125
1126     my $base = basename ($script);
1127     my $target = "$rootdir/etc/init.d/$base";
1128
1129     $self->run_command ("install -m 0755 '$script' '$target'");
1130     if ($suite eq 'etch' || $suite eq 'lenny') {
1131         $self->ve_command ("update-rc.d $base start $prio $runlevel .");
1132     } elsif ($suite eq 'xenial' || $suite eq 'wily' || $suite eq 'vivid' ||
1133              $suite eq 'yakkety') {
1134         die "unable to install init script (system uses systemd)\n";
1135     } elsif ($suite eq 'trusty' || $suite eq 'precise') {
1136         die "unable to install init script (system uses upstart)\n";
1137     } else {
1138         $self->ve_command ("insserv $base");
1139     }
1140
1141     return $target;
1142 }
1143
1144 sub bootstrap {
1145     my ($self, $opts) = @_;
1146
1147     my $pkginfo = $self->pkginfo();
1148     my $veid = $self->{veid};
1149     my $suite = $self->{config}->{suite};
1150
1151     my $important = [ @{$self->{incl}} ];
1152     my $required;
1153     my $standard;
1154
1155     my $mta = $opts->{exim} ? 'exim' : 'postfix';
1156
1157     if ($mta eq 'postfix') {
1158         push @$important, "postfix";
1159     }
1160
1161     foreach my $p (keys %$pkginfo) {
1162         next if grep { $p eq $_ } @{$self->{excl}};
1163         my $pri = $pkginfo->{$p}->{priority};
1164         next if !$pri;
1165         next if $mta ne 'exim' && $p =~ m/exim/;
1166         next if $p =~ m/(selinux|semanage|policycoreutils)/;
1167
1168         push @$required, $p  if $pri eq 'required';
1169         push @$important, $p if $pri eq 'important';
1170         push @$standard, $p if $pri eq 'standard' && !$opts->{minimal};
1171     }
1172
1173     my $closure = {};
1174     $required = $self->closure ($closure, $required);
1175     $important = $self->closure ($closure, $important);
1176
1177     if (!$opts->{minimal}) {
1178         push @$standard, 'xbase-clients';
1179         $standard = $self->closure ($closure, $standard);
1180     }
1181
1182     # test if we have all 'ubuntu-minimal' and 'ubuntu-standard' packages
1183     # except those explicitly excluded
1184     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1185         my $mdeps = $pkginfo->{'ubuntu-minimal'}->{depends};
1186         foreach my $d (split (/,/, $mdeps)) {
1187             if ($d =~ m/^\s*(\S+)$/) {
1188                 my $pkg = $1;
1189                 next if $closure->{$pkg};
1190                 next if grep { $pkg eq $_ } @{$self->{excl}};
1191                 die "missing ubuntu-minimal package '$pkg'\n";
1192             }
1193         }
1194         if (!$opts->{minimal}) {
1195             $mdeps = $pkginfo->{'ubuntu-standard'}->{depends};
1196             foreach my $d (split (/,/, $mdeps)) {
1197                 if ($d =~ m/^\s*(\S+)$/) {
1198                     my $pkg = $1;
1199                     next if $closure->{$pkg};
1200                     next if grep { $pkg eq $_ } @{$self->{excl}};
1201                     die "missing ubuntu-standard package '$pkg'\n";
1202                 }
1203             }
1204         }
1205     }
1206
1207     # download/cache all files first
1208     $self->cache_packages ($required);
1209     $self->cache_packages ($important);
1210     $self->cache_packages ($standard);
1211
1212     my $rootdir = $self->{rootfs};
1213
1214     # extract required packages first
1215     $self->logmsg ("create basic environment\n");
1216     foreach my $p (@$required) {
1217         my $filename = $self->getpkgfile ($p);
1218         my $content = $self->run_command("ar -t '$self->{cachedir}/$filename'", undef, 1);
1219         if ($content =~ m/^data.tar.xz$/m) {
1220             $self->run_command ("ar -p '$self->{cachedir}/$filename' data.tar.xz | tar -C '$rootdir' -xJf -");
1221         } else {
1222             $self->run_command ("ar -p '$self->{cachedir}/$filename' data.tar.gz | tar -C '$rootdir' -xzf -");
1223         }
1224     }
1225
1226     # fake dpkg status
1227     my $data = "Package: dpkg\n" .
1228         "Version: $pkginfo->{dpkg}->{version}\n" .
1229         "Status: install ok installed\n";
1230
1231     write_file ($data, "$rootdir/var/lib/dpkg/status");
1232     write_file ("", "$rootdir/var/lib/dpkg/info/dpkg.list");
1233     write_file ("", "$rootdir/var/lib/dpkg/available");
1234
1235     $data = '';
1236     foreach my $ss (@{$self->{sources}}) {
1237         my $url = $ss->{source};
1238         my $comp = join (' ', @{$ss->{comp}});
1239         $data .= "deb $url $ss->{suite} $comp\n\n";
1240     }
1241
1242     write_file ($data, "$rootdir/etc/apt/sources.list");
1243
1244     $data = "# UNCONFIGURED FSTAB FOR BASE SYSTEM\n";
1245     write_file ($data, "$rootdir/etc/fstab", 0644);
1246
1247     write_file ("localhost\n", "$rootdir/etc/hostname", 0644);
1248
1249     # avoid warnings about non-existent resolv.conf
1250     write_file ("", "$rootdir/etc/resolv.conf", 0644);
1251
1252     if ($suite eq 'yakkety' || $suite eq 'xenial' || $suite eq 'wily') {
1253         # no need to configure loopback device
1254     } else {
1255         $data = "auto lo\niface lo inet loopback\n";
1256         mkdir "$rootdir/etc/network";
1257         write_file ($data, "$rootdir/etc/network/interfaces", 0644);
1258     }
1259
1260     # setup devices
1261     $self->run_command ("tar xzf '$devicetar' -C '$rootdir'");
1262
1263     # avoid warnings about missing default locale
1264     write_file ("LANG=\"C\"\n", "$rootdir/etc/default/locale", 0644);
1265
1266     # fake init
1267     rename ("$rootdir/sbin/init", "$rootdir/sbin/init.org");
1268     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1269
1270     $self->run_command ("cp '$default_env' '$rootdir/sbin/defenv'");
1271
1272     $self->run_command ("lxc-start -n $veid -f $self->{veconffile}");
1273
1274     $self->logmsg ("initialize ld cache\n");
1275     $self->ve_command ("/sbin/ldconfig");
1276     $self->run_command ("ln -sf mawk '$rootdir/usr/bin/awk'");
1277
1278     $self->logmsg ("installing packages\n");
1279
1280     $self->ve_dpkg ('install', 'base-files', 'base-passwd');
1281
1282     $self->ve_dpkg ('install', 'dpkg');
1283
1284     $self->run_command ("ln -sf /usr/share/zoneinfo/UTC '$rootdir/etc/localtime'");
1285
1286     $self->run_command ("ln -sf bash '$rootdir/bin/sh'");
1287
1288     $self->ve_dpkg ('install', 'libc6');
1289     $self->ve_dpkg ('install', 'perl-base');
1290
1291     unlink "$rootdir/usr/bin/awk";
1292
1293     $self->ve_dpkg ('install', 'mawk');
1294     $self->ve_dpkg ('install', 'debconf');
1295
1296     # unpack required packages
1297     foreach my $p (@$required) {
1298         $self->ve_dpkg ('unpack', $p);
1299     }
1300
1301     rename ("$rootdir/sbin/init.org", "$rootdir/sbin/init");
1302     $self->ve_divert_add ("/sbin/init");
1303     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1304
1305     # disable service activation
1306     $self->ve_divert_add ("/usr/sbin/policy-rc.d");
1307     $data = "#!/bin/sh\nexit 101\n";
1308     write_file ($data, "$rootdir/usr/sbin/policy-rc.d", 755);
1309
1310     # disable start-stop-daemon
1311     $self->ve_divert_add ("/sbin/start-stop-daemon");
1312     $data = <<EOD;
1313 #!/bin/sh
1314 echo
1315 echo \"Warning: Fake start-stop-daemon called, doing nothing\"
1316 EOD
1317     write_file ($data, "$rootdir/sbin/start-stop-daemon", 0755);
1318
1319     # disable udevd
1320     $self->ve_divert_add ("/sbin/udevd");
1321
1322     if ($suite eq 'etch') {
1323         # disable apache2 startup
1324         write_file ("NO_START=1\n", "$rootdir/etc/default/apache2");
1325     }
1326
1327     $self->logmsg ("configure required packages\n");
1328     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1329
1330     # set postfix defaults
1331     if ($mta eq 'postfix') {
1332         $data = "postfix postfix/main_mailer_type select Local only\n";
1333         $self->ve_debconfig_set ($data);
1334
1335         $data = "postmaster: root\nwebmaster: root\n";
1336         write_file ($data, "$rootdir/etc/aliases");
1337     }
1338
1339     if ($suite eq 'jaunty') {
1340         # jaunty does not create /var/run/network, so network startup fails.
1341         # so we do not use tmpfs for /var/run and /var/lock
1342         $self->run_command ("sed -e 's/RAMRUN=yes/RAMRUN=no/' -e 's/RAMLOCK=yes/RAMLOCK=no/'  -i $rootdir/etc/default/rcS");
1343         # and create the directory here
1344         $self->run_command ("mkdir $rootdir/var/run/network");
1345     }
1346
1347     # unpack base packages
1348     foreach my $p (@$important) {
1349         $self->ve_dpkg ('unpack', $p);
1350     }
1351
1352     # start loopback
1353     if (-x "$rootdir/sbin/ifconfig") {
1354         $self->ve_command ("ifconfig lo up");
1355     } else {
1356         $self->ve_command ("ip link set lo up");
1357     }
1358
1359     $self->logmsg ("configure important packages\n");
1360     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1361
1362     if (-d "$rootdir/etc/event.d") {
1363         unlink <$rootdir/etc/event.d/tty*>;
1364     }
1365
1366     if (-f "$rootdir/etc/inittab") {
1367         $self->run_command ("sed -i -e '/getty\\s38400\\stty[23456]/d' '$rootdir/etc/inittab'");
1368     }
1369
1370     # Link /etc/mtab to /proc/mounts, so df and friends will work:
1371     unlink "$rootdir/etc/mtab";
1372     $self->ve_command ("ln -s /proc/mounts /etc/mtab");
1373
1374     # reset password
1375     $self->ve_command ("usermod -L root");
1376
1377     if ($mta eq 'postfix') {
1378         $data = "postfix postfix/main_mailer_type select No configuration\n";
1379         $self->ve_debconfig_set ($data);
1380
1381         unlink "$rootdir/etc/mailname";
1382         write_file ($postfix_main_cf, "$rootdir/etc/postfix/main.cf");
1383     }
1384
1385     if (!$opts->{minimal}) {
1386         # unpack standard packages
1387         foreach my $p (@$standard) {
1388             $self->ve_dpkg ('unpack', $p);
1389         }
1390
1391         $self->logmsg ("configure standard packages\n");
1392         $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1393     }
1394
1395     # disable HWCLOCK access
1396     $self->run_command ("echo 'HWCLOCKACCESS=no' >> '$rootdir/etc/default/rcS'");
1397
1398     # disable hald
1399     $self->ve_divert_add ("/usr/sbin/hald");
1400
1401     # disable /dev/urandom init
1402     $self->run_command ("install -m 0755 '$script_init_urandom' '$rootdir/etc/init.d/urandom'");
1403
1404     if ($suite eq 'etch' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1405         # avoid klogd start
1406         $self->ve_divert_add ("/sbin/klogd");
1407     }
1408
1409     # remove unnecessays sysctl entries to avoid warnings
1410     my $cmd = 'sed';
1411     $cmd .= ' -e \'s/^\(kernel\.printk.*\)/#\1/\'';
1412     $cmd .= ' -e \'s/^\(kernel\.maps_protect.*\)/#\1/\'';
1413     $cmd .= ' -e \'s/^\(fs\.inotify\.max_user_watches.*\)/#\1/\'';
1414     $cmd .= ' -e \'s/^\(vm\.mmap_min_addr.*\)/#\1/\'';
1415     $cmd .= " -i '$rootdir/etc/sysctl.conf'";
1416     $self->run_command ($cmd);
1417
1418     my $bindv6only = "$rootdir/etc/sysctl.d/bindv6only.conf";
1419     if (-f $bindv6only) {
1420         $cmd = 'sed';
1421         $cmd .= ' -e \'s/^\(net\.ipv6\.bindv6only.*\)/#\1/\'';
1422         $cmd .= " -i '$bindv6only'";
1423         $self->run_command ($cmd);
1424     }
1425
1426     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1427         # disable tty init (console-setup)
1428         my $cmd = 'sed';
1429         $cmd .= ' -e \'s/^\(ACTIVE_CONSOLES=.*\)/ACTIVE_CONSOLES=/\'';
1430         $cmd .= " -i '$rootdir/etc/default/console-setup'";
1431         $self->run_command ($cmd);
1432     }
1433
1434     if ($suite eq 'intrepid') {
1435         # remove sysctl setup (avoid warnings at startup)
1436         my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
1437         $filelist .= " $rootdir/etc/sysctl.d/10-process-security.conf";
1438         $filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
1439         $self->run_command ("rm $filelist");
1440     }
1441     if ($suite eq 'jaunty') {
1442         # remove sysctl setup (avoid warnings at startup)
1443         my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
1444         $filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
1445         $self->run_command ("rm $filelist");
1446     }
1447 }
1448
1449 sub enter {
1450     my ($self) = @_;
1451
1452     my $veid = $self->{veid};
1453     my $conffile = $self->{veconffile};
1454
1455     my $vestat = $self->ve_status();
1456
1457     if (!$vestat->{exist}) {
1458         $self->logmsg ("Please create the appliance first (bootstrap)");
1459         return;
1460     }
1461
1462     if (!$vestat->{running}) {
1463         $self->run_command ("lxc-start -n $veid -f $conffile");
1464     }
1465
1466     system ("lxc-attach -n $veid --rcfile $conffile --clear-env");
1467 }
1468
1469 sub ve_mysql_command {
1470     my ($self, $sql, $password) = @_;
1471
1472     #my $bootstrap = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1473     #"--skip-bdb  --skip-innodb --skip-ndbcluster";
1474
1475     $self->ve_command ("mysql", $sql);
1476 }
1477
1478 sub ve_mysql_bootstrap {
1479     my ($self, $sql, $password) = @_;
1480
1481     my $cmd;
1482
1483     my $suite = $self->{config}->{suite};
1484
1485     if ($suite eq 'jessie') {
1486         my $rootdir = $self->{rootfs};
1487         $self->run_command ("sed -e 's/^key_buffer\\s*=/key_buffer_size =/' -i $rootdir/etc/mysql/my.cnf");
1488     }
1489
1490     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie') {
1491         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables";
1492
1493     } else {
1494         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1495             "--skip-bdb  --skip-innodb --skip-ndbcluster";
1496     }
1497
1498     $self->ve_command ($cmd, $sql);
1499 }
1500
1501 sub compute_required {
1502     my ($self, $pkglist) = @_;
1503
1504     my $pkginfo = $self->pkginfo();
1505     my $instpkgs = $self->read_installed ();
1506
1507     my $closure = {};
1508     __record_provides ($pkginfo, $closure, [keys %$instpkgs]);
1509
1510     return $self->closure ($closure, $pkglist);
1511 }
1512
1513 sub task_postgres {
1514     my ($self, $opts) = @_;
1515
1516     my @supp = ('7.4', '8.1');
1517     my $pgversion = '8.1';
1518
1519     my $suite = $self->{config}->{suite};
1520
1521     if ($suite eq 'lenny' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1522         @supp = ('8.3');
1523         $pgversion = '8.3';
1524     } elsif ($suite eq 'squeeze') {
1525         @supp = ('8.4');
1526         $pgversion = '8.4';
1527     } elsif ($suite eq 'wheezy') {
1528         @supp = ('9.1');
1529         $pgversion = '9.1';
1530     } elsif ($suite eq 'jessie') {
1531         @supp = ('9.4');
1532         $pgversion = '9.4';
1533     } elsif ($suite eq 'stretch') {
1534         @supp = ('9.6');
1535         $pgversion = '9.6';
1536     }
1537
1538     $pgversion = $opts->{version} if $opts->{version};
1539
1540     die "unsupported postgres version '$pgversion'\n"
1541         if !grep { $pgversion eq $_; } @supp;
1542
1543     my $rootdir = $self->{rootfs};
1544
1545     my $required = $self->compute_required (["postgresql-$pgversion"]);
1546
1547     $self->cache_packages ($required);
1548
1549     $self->ve_dpkg ('install', @$required);
1550
1551     my $iscript = "postgresql-$pgversion";
1552     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie' ||
1553         $suite eq 'stretch') {
1554         $iscript = 'postgresql';
1555     }
1556
1557     $self->ve_command ("/etc/init.d/$iscript start") if $opts->{start};
1558 }
1559
1560 sub task_mysql {
1561     my ($self, $opts) = @_;
1562
1563     my $password = $opts->{password};
1564     my $rootdir = $self->{rootfs};
1565
1566     my $suite = $self->{config}->{suite};
1567
1568     my $ver = '5.0';
1569     if ($suite eq 'squeeze') {
1570       $ver = '5.1';
1571     } elsif ($suite eq 'wheezy' || $suite eq 'jessie') {
1572       $ver = '5.5';
1573     } else {
1574         die "task_mysql: unsupported suite '$suite'";
1575     }
1576
1577     my $required = $self->compute_required (['mysql-common', "mysql-server-$ver"]);
1578
1579     $self->cache_packages ($required);
1580
1581     $self->ve_dpkg ('install', @$required);
1582
1583     # fix security (see /usr/bin/mysql_secure_installation)
1584     my $sql = "DELETE FROM mysql.user WHERE User='';\n" .
1585         "DELETE FROM mysql.user WHERE User='root' AND Host!='localhost';\n" .
1586         "FLUSH PRIVILEGES;\n";
1587     $self->ve_mysql_bootstrap ($sql);
1588
1589     if ($password) {
1590
1591         my $rpw = $password eq 'random' ? 'admin' : $password;
1592
1593         my $sql = "USE mysql;\n" .
1594             "UPDATE user SET password=PASSWORD(\"$rpw\") WHERE user='root';\n" .
1595             "FLUSH PRIVILEGES;\n";
1596         $self->ve_mysql_bootstrap ($sql);
1597
1598         write_file ("[client]\nuser=root\npassword=\"$rpw\"\n", "$rootdir/root/.my.cnf", 0600);
1599         if ($password eq 'random') {
1600             $self->install_init_script ($script_mysql_randompw, 2, 20);
1601         }
1602     }
1603
1604     $self->ve_command ("/etc/init.d/mysql start") if $opts->{start};
1605 }
1606
1607 sub task_php {
1608     my ($self, $opts) = @_;
1609
1610     my $memlimit = $opts->{memlimit};
1611     my $rootdir = $self->{rootfs};
1612
1613     my $required = $self->compute_required ([qw (php5 php5-cli libapache2-mod-php5 php5-gd)]);
1614
1615     $self->cache_packages ($required);
1616
1617     $self->ve_dpkg ('install', @$required);
1618
1619     if ($memlimit) {
1620         $self->run_command ("sed -e 's/^\\s*memory_limit\\s*=.*;/memory_limit = ${memlimit}M;/' -i $rootdir/etc/php5/apache2/php.ini");
1621     }
1622 }
1623
1624 sub install {
1625     my ($self, $pkglist, $unpack) = @_;
1626
1627     my $required = $self->compute_required ($pkglist);
1628
1629     $self->cache_packages ($required);
1630
1631     $self->ve_dpkg ($unpack ? 'unpack' : 'install', @$required);
1632 }
1633
1634 sub cleanup {
1635     my ($self, $distclean) = @_;
1636
1637     unlink $self->{logfile};
1638     unlink "$self->{targetname}.tar";
1639     unlink "$self->{targetname}.tar.gz";
1640
1641     $self->ve_destroy ();
1642     unlink ".veid";
1643
1644     rmtree $self->{cachedir} if $distclean && !$self->{config}->{cachedir};
1645
1646     rmtree $self->{infodir};
1647
1648 }
1649
1650 1;