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         $config->{ostype} = "ubuntu-16.10";
 352     } elsif ($suite eq 'zesty') {
 353         $config->{ostype} = "ubuntu-17.04";
 354     } elsif ($suite eq 'artful') {
 355         $config->{ostype} = "ubuntu-17.10";
 356     } else {
 357         die "unsupported debian suite '$suite'\n";
 358     }
 359
 360     my $name = $config->{name} || die "no 'name' specified\n";
 361
 362     $name =~ m/^[a-z][0-9a-z\-\*\.]+$/ ||
 363         die "illegal characters in name '$name'\n";
 364
 365     my $version = $config->{version};
 366     die "no 'version' specified\n" if !$version;
 367     die "no 'section' specified\n" if !$config->{section};
 368     die "no 'description' specified\n" if !$config->{headline};
 369     die "no 'maintainer' specified\n" if !$config->{maintainer};
 370
 371     if ($name =~ m/^$config->{ostype}/) {
 372         $self->{targetname} = "${name}_${version}_$config->{architecture}";
 373     } else {
 374         $self->{targetname} = "$config->{ostype}-${name}_" .
 375             "${version}_$config->{architecture}";
 376     }
 377
 378     if (!$config->{source}) {
 379         if ($suite eq 'etch' || $suite eq 'lenny') {
 380             push @{$config->{source}}, "http://ftp.debian.org/debian SUITE main contrib";
 381             push @{$config->{source}}, "http://security.debian.org SUITE/updates main contrib";
 382         } elsif ($suite eq 'squeeze' || $suite eq 'wheezy' ||
 383                  $suite eq 'jessie' || $suite eq 'stretch' ) {
 384             push @{$config->{source}}, "http://ftp.debian.org/debian SUITE main contrib";
 385             push @{$config->{source}}, "http://ftp.debian.org/debian SUITE-updates main contrib";
 386             push @{$config->{source}}, "http://security.debian.org SUITE/updates main contrib";
 387         } elsif ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty' ||
 388                  $suite eq 'xenial' || $suite eq 'wily' || $suite eq 'vivid' ||
 389                  $suite eq 'trusty' || $suite eq 'precise' || $suite eq 'yakkety' ||
 390                  $suite eq 'zesty' || $suite eq 'artful' ) {
 391             my $comp = "main restricted universe multiverse";
 392             push @{$config->{source}}, "http://archive.ubuntu.com/ubuntu SUITE $comp";
 393             push @{$config->{source}}, "http://archive.ubuntu.com/ubuntu SUITE-updates $comp";
 394             push @{$config->{source}}, "http://archive.ubuntu.com/ubuntu SUITE-security $comp";
 395         } else {
 396             die "implement me";
 397         }
 398     }
 399
 400     my $sources = undef;
 401
 402     foreach my $s (@{$config->{source}}) {
 403         if ($s =~ m@^\s*((http|ftp)://\S+)\s+(\S+)((\s+(\S+))+)$@) {
 404             my ($url, $su, $components) = ($1, $3, $4);
 405             $su =~ s/SUITE/$suite/;
 406             $components =~ s/^\s+//;
 407             $components =~ s/\s+$//;
 408             my $ca;
 409             foreach my $co (split (/\s+/, $components)) {
 410                 push @$ca, $co;
 411             }
 412             $ca = ['main'] if !$ca;
 413
 414             push @$sources, {
 415                 source => $url,
 416                 comp => $ca,
 417                 suite => $su,
 418             };
 419         } else {
 420             die "syntax error in source spezification '$s'\n";
 421         }
 422     }
 423
 424     foreach my $m (@{$config->{mirror}}) {
 425         if ($m =~ m@^\s*((http|ftp)://\S+)\s*=>\s*((http|ftp)://\S+)\s*$@) {
 426             my ($ms, $md) = ($1, $3);
 427             my $found;
 428             foreach my $ss (@$sources) {
 429                 if ($ss->{source} eq $ms) {
 430                     $found = 1;
 431                     $ss->{mirror} = $md;
 432                     last;
 433                 }
 434             }
 435             die "unusable mirror $ms\n" if !$found;
 436         } else {
 437             die "syntax error in mirror spezification '$m'\n";
 438         }
 439     }
 440
 441     $self->{sources} = $sources;
 442
 443     $self->{infodir} = "info";
 444
 445     $self->__allocate_ve ();
 446
 447     $self->{cachedir} = ($config->{cachedir} || 'cache')  . "/$suite";;
 448
 449     my $incl = [qw (less ssh openssh-server logrotate)];
 450
 451     my $excl = [qw (modutils reiserfsprogs ppp pppconfig pppoe
 452                     pppoeconf nfs-common mtools ntp)];
 453
 454     # ubuntu has too many dependencies on udev, so
 455     # we cannot exclude it (instead we disable udevd)
 456
 457     if ($suite eq 'vivid' || $suite eq 'wily' || $suite eq 'xenial' ||
 458         $suite eq 'yakkety' || $suite eq 'zesty' || $suite eq 'artful') {
 459         push @$incl, 'isc-dhcp-client';
 460         push @$excl, qw(libmodule-build-perl);
 461     } elsif ($suite eq 'trusty') {
 462         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+);
 463    } elsif ($suite eq 'precise') {
 464         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+ ubuntu-standard);
 465     } elsif ($suite eq 'hardy') {
 466         push @$excl, qw(kbd);
 467         push @$excl, qw(apparmor apparmor-utils ntfs-3g
 468                         friendly-recovery);
 469     } elsif ($suite eq 'intrepid' || $suite eq 'jaunty') {
 470         push @$excl, qw(apparmor apparmor-utils libapparmor1 libapparmor-perl
 471                         libntfs-3g28 ntfs-3g friendly-recovery);
 472     } elsif ($suite eq 'jessie') {
 473         push @$incl, 'sysvinit-core'; # avoid systemd and udev
 474         push @$incl, 'libperl4-corelibs-perl'; # to make lsof happy
 475         push @$excl, qw(systemd systemd-sysv udev module-init-tools pciutils hdparm
 476                         memtest86+ parted);
 477     } elsif ($suite eq 'stretch') {
 478         push @$excl, qw(module-init-tools pciutils hdparm
 479                         memtest86+ parted);
 480      } else {
 481         push @$excl, qw(udev module-init-tools pciutils hdparm
 482                         memtest86+ parted);
 483     }
 484
 485     $self->{incl} = $incl;
 486     $self->{excl} = $excl;
 487
 488     return $self;
 489 }
 490
 491 sub initialize {
 492     my ($self) = @_;
 493
 494     my $infodir = $self->{infodir};
 495     my $arch = $self->{config}->{architecture};
 496
 497     rmtree $infodir;
 498     mkpath $infodir;
 499
 500     # truncate log
 501     my $logfd = $self->{logfd} = IO::File->new (">$self->{logfile}") ||
 502         die "unable to open log file";
 503
 504     foreach my $ss (@{$self->{sources}}) {
 505         my $src = $ss->{mirror} || $ss->{source};
 506         my $path = "dists/$ss->{suite}/Release";
 507         my $url = "$src/$path";
 508         my $target = __url_to_filename ("$ss->{source}/$path");
 509         eval {
 510             $self->download ($url, "$infodir/$target");
 511             $self->download ("$url.gpg", "$infodir/$target.gpg");
 512             # fixme: impl. verify (needs --keyring option)
 513         };
 514         if (my $err = $@) {
 515             print $logfd $@;
 516             warn "Release info ignored\n";
 517         };
 518         foreach my $comp (@{$ss->{comp}}) {
 519             $path = "dists/$ss->{suite}/$comp/binary-$arch/Packages.gz";
 520             $target = "$infodir/" . __url_to_filename ("$ss->{source}/$path");
 521             my $pkgsrc = "$src/$path";
 522             $self->download ($pkgsrc, $target);
 523             $self->run_command ("gzip -d '$target'");
 524         }
 525     }
 526 }
 527
 528 sub write_config {
 529     my ($self, $filename, $size) = @_;
 530
 531     my $config = $self->{config};
 532
 533     my $data = '';
 534
 535     $data .= "Name: $config->{name}\n";
 536     $data .= "Version: $config->{version}\n";
 537     $data .= "Type: lxc\n";
 538     $data .= "OS: $config->{ostype}\n";
 539     $data .= "Section: $config->{section}\n";
 540     $data .= "Maintainer: $config->{maintainer}\n";
 541     $data .= "Architecture: $config->{architecture}\n";
 542     $data .= "Installed-Size: $size\n";
 543
 544     # optional
 545     $data .= "Infopage: $config->{infopage}\n" if $config->{infopage};
 546     $data .= "ManageUrl: $config->{manageurl}\n" if $config->{manageurl};
 547     $data .= "Certified: $config->{certified}\n" if $config->{certified};
 548
 549     # description
 550     $data .= "Description: $config->{headline}\n";
 551     $data .= "$config->{description}\n" if $config->{description};
 552
 553     write_file ($data, $filename, 0644);
 554 }
 555
 556 sub finalize {
 557     my ($self, $opts) = @_;
 558
 559     my $suite = $self->{config}->{suite};
 560     my $infodir = $self->{infodir};
 561     my $arch = $self->{config}->{architecture};
 562
 563     my $instpkgs = $self->read_installed ();
 564     my $pkginfo = $self->pkginfo();
 565     my $veid = $self->{veid};
 566     my $conffile = $self->{veconffile};
 567     my $rootdir = $self->{rootfs};
 568
 569     my $vestat = $self->ve_status();
 570     die "ve not running - unable to finalize\n" if !$vestat->{running};
 571
 572     # cleanup mysqld
 573     if (-f "$rootdir/etc/init.d/mysql") {
 574         $self->ve_command ("/etc/init.d/mysql stop");
 575     }
 576
 577     if (!($opts->{keepmycnf} || (-f "$rootdir/etc/init.d/mysql_randompw"))) {
 578         unlink "$rootdir/root/.my.cnf";
 579     }
 580
 581     if ($suite eq 'etch') {
 582         # enable apache2 startup
 583         if ($instpkgs->{apache2}) {
 584             write_file ("NO_START=0\n", "$rootdir/etc/default/apache2");
 585         } else {
 586             unlink "$rootdir/etc/default/apache2";
 587         }
 588     }
 589     $self->logmsg ("cleanup package status\n");
 590     # prevent auto selection of all standard, required or important
 591     # packages which are not installed
 592     foreach my $pkg (keys %$pkginfo) {
 593         my $pri = $pkginfo->{$pkg}->{priority};
 594         if ($pri && ($pri eq 'required' || $pri eq 'important'
 595                      || $pri eq 'standard')) {
 596             if (!$instpkgs->{$pkg}) {
 597                 $self->ve_dpkg_set_selection ($pkg, 'purge');
 598             }
 599         }
 600     }
 601
 602     $self->ve_command ("apt-get clean");
 603
 604     $self->logmsg ("update available package list\n");
 605
 606     $self->ve_command ("dpkg --clear-avail");
 607     foreach my $ss (@{$self->{sources}}) {
 608         my $relsrc = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/Release");
 609         if (-f "$infodir/$relsrc" && -f "$infodir/$relsrc.gpg") {
 610             $self->run_command ("cp '$infodir/$relsrc' '$rootdir/var/lib/apt/lists/$relsrc'");
 611             $self->run_command ("cp '$infodir/$relsrc.gpg' '$rootdir/var/lib/apt/lists/$relsrc.gpg'");
 612         }
 613         foreach my $comp (@{$ss->{comp}}) {
 614             my $src = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/" .
 615                                          "$comp/binary-$arch/Packages");
 616             my $target = "/var/lib/apt/lists/$src";
 617             $self->run_command ("cp '$infodir/$src' '$rootdir/$target'");
 618             $self->ve_command ("dpkg --merge-avail '$target'");
 619         }
 620     }
 621
 622     # set dselect default method
 623     write_file ("apt apt\n", "$rootdir/var/lib/dpkg/cmethopt");
 624
 625     $self->ve_divert_remove ("/usr/sbin/policy-rc.d");
 626
 627     $self->ve_divert_remove ("/sbin/start-stop-daemon");
 628
 629     $self->ve_divert_remove ("/sbin/init");
 630
 631     # finally stop the VE
 632     $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 633
 634     unlink "$rootdir/sbin/defenv";
 635
 636     unlink <$rootdir/root/dead.letter*>;
 637
 638     unlink "$rootdir/var/log/init.log";
 639
 640     unlink "$rootdir/aquota.group";
 641
 642     unlink "$rootdir/aquota.user";
 643
 644     write_file ("", "$rootdir/var/log/syslog");
 645
 646     $self->logmsg ("detecting final size: ");
 647
 648     my $sizestr = $self->run_command ("du -sm $rootdir", undef, 1);
 649     my $size;
 650     if ($sizestr =~ m/^(\d+)\s+\Q$rootdir\E$/) {
 651         $size = $1;
 652     } else {
 653         die "unable to detect size\n";
 654     }
 655     $self->logmsg ("$size MB\n");
 656
 657     $self->write_config ("$rootdir/etc/appliance.info", $size);
 658
 659     $self->logmsg ("creating final appliance archive\n");
 660
 661     my $target = "$self->{targetname}.tar";
 662     unlink $target;
 663     unlink "$target.gz";
 664
 665     $self->run_command ("tar cpf $target --numeric-owner -C '$rootdir' ./etc/appliance.info");
 666     $self->run_command ("tar rpf $target --numeric-owner -C '$rootdir' --exclude ./etc/appliance.info .");
 667     $self->run_command ("gzip $target");
 668 }
 669
 670 sub read_installed {
 671     my ($self) = @_;
 672
 673     my $rootdir = $self->{rootfs};
 674
 675     my $pkgfilelist = "$rootdir/var/lib/dpkg/status";
 676     local $/ = '';
 677     open (PKGLST, "<$pkgfilelist") ||
 678         die "unable to open '$pkgfilelist'";
 679
 680     my $pkglist = {};
 681
 682     while (my $rec = <PKGLST>) {
 683         chomp $rec;
 684         $rec =~ s/\n\s+/ /g;
 685         $rec .= "\n";
 686         my $res = {};
 687
 688         while ($rec =~ s/^([^:]+):\s+(.*)\s*\n//) {
 689             $res->{lc $1} = $2;
 690         }
 691
 692         my $pkg = $res->{'package'};
 693         if (my $status = $res->{status}) {
 694             my @sa = split (/\s+/, $status);
 695             my $stat = $sa[0];
 696             if ($stat && ($stat ne 'purge')) {
 697                 $pkglist->{$pkg} = $res;
 698             }
 699         }
 700     }
 701
 702     close (PKGLST);
 703
 704     return $pkglist;
 705 }
 706
 707 sub ve_status {
 708     my ($self) = @_;
 709
 710     my $veid = $self->{veid};
 711
 712     my $res = { running => 0 };
 713
 714     $res->{exist} = 1 if -d "$self->{rootfs}/usr";
 715
 716     my $filename = "/proc/net/unix";
 717
 718     # similar test is used by lcxcontainers.c: list_active_containers
 719     my $fh = IO::File->new ($filename, "r");
 720     return $res if !$fh;
 721
 722     while (defined(my $line = <$fh>)) {
 723         if ($line =~ m/^[a-f0-9]+:\s\S+\s\S+\s\S+\s\S+\s\S+\s\d+\s(\S+)$/) {
 724             my $path = $1;
 725             if ($path =~ m!^@/\S+/$veid/command$!) {
 726                 $res->{running} = 1;
 727             }
 728         }
 729     }
 730     close($fh);
 731
 732     return $res;
 733 }
 734
 735 sub ve_command {
 736     my ($self, $cmd, $input) = @_;
 737
 738     my $veid = $self->{veid};
 739     my $conffile = $self->{veconffile};
 740
 741     if (ref ($cmd) eq 'ARRAY') {
 742         unshift @$cmd, 'lxc-attach', '-n', $veid, '--rcfile', $conffile, '--clear-env', '--', 'defenv';
 743         $self->run_command ($cmd, $input);
 744     } else {
 745         $self->run_command ("lxc-attach -n $veid --rcfile $conffile --clear-env -- defenv $cmd", $input);
 746     }
 747 }
 748
 749 # like ve_command, but pipes stdin correctly
 750 sub ve_exec {
 751     my ($self, @cmd) = @_;
 752
 753     my $veid = $self->{veid};
 754     my $conffile = $self->{veconffile};
 755
 756     my $reader;
 757     my $pid = open2($reader, "<&STDIN", 'lxc-attach', '-n', $veid,  '--rcfile', $conffile, '--',
 758                     'defenv', @cmd) || die "unable to exec command";
 759
 760     while (defined (my $line = <$reader>)) {
 761         $self->logmsg ($line);
 762     }
 763
 764     waitpid ($pid, 0);
 765     my $rc = $? >> 8;
 766
 767     die "ve_exec failed - status $rc\n" if $rc != 0;
 768 }
 769
 770 sub ve_divert_add {
 771     my ($self, $filename) = @_;
 772
 773     $self->ve_command ("dpkg-divert --add --divert '$filename.distrib' " .
 774                        "--rename '$filename'");
 775 }
 776 sub ve_divert_remove {
 777     my ($self, $filename) = @_;
 778
 779     my $rootdir = $self->{rootfs};
 780
 781     unlink "$rootdir/$filename";
 782     $self->ve_command ("dpkg-divert --remove --rename '$filename'");
 783 }
 784
 785 sub ve_debconfig_set {
 786     my ($self, $dcdata) = @_;
 787
 788     my $rootdir = $self->{rootfs};
 789     my $cfgfile = "/tmp/debconf.txt";
 790     write_file ($dcdata, "$rootdir/$cfgfile");
 791     $self->ve_command ("debconf-set-selections $cfgfile");
 792     unlink "$rootdir/$cfgfile";
 793 }
 794
 795 sub ve_dpkg_set_selection {
 796     my ($self, $pkg, $status) = @_;
 797
 798     $self->ve_command ("dpkg --set-selections", "$pkg $status");
 799 }
 800
 801 sub ve_dpkg {
 802     my ($self, $cmd, @pkglist) = @_;
 803
 804     return if !scalar (@pkglist);
 805
 806     my $pkginfo = $self->pkginfo();
 807
 808     my $rootdir = $self->{rootfs};
 809     my $cachedir = $self->{cachedir};
 810
 811     my @files;
 812
 813     foreach my $pkg (@pkglist) {
 814         my $filename = $self->getpkgfile ($pkg);
 815         $self->run_command ("cp '$cachedir/$filename' '$rootdir/$filename'");
 816         push @files, "/$filename";
 817         $self->logmsg ("$cmd: $pkg\n");
 818     }
 819
 820     my $fl = join (' ', @files);
 821
 822     if ($cmd eq 'install') {
 823         $self->ve_command ("dpkg --force-depends --force-confold --install $fl");
 824     } elsif ($cmd eq 'unpack') {
 825         $self->ve_command ("dpkg --force-depends --unpack $fl");
 826     } else {
 827         die "internal error";
 828     }
 829
 830     foreach my $fn (@files) { unlink "$rootdir$fn"; }
 831 }
 832
 833 sub ve_destroy {
 834     my ($self) = @_;
 835
 836     my $veid = $self->{veid}; # fixme
 837     my $conffile = $self->{veconffile};
 838
 839     my $vestat = $self->ve_status();
 840     if ($vestat->{running}) {
 841         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 842     }
 843
 844     rmtree $self->{rootfs};
 845     unlink $self->{veconffile};
 846 }
 847
 848 sub ve_init {
 849     my ($self) = @_;
 850
 851     my $veid = $self->{veid};
 852     my $conffile = $self->{veconffile};
 853
 854     $self->logmsg ("initialize VE $veid\n");
 855
 856     my $vestat = $self->ve_status();
 857     if ($vestat->{running}) {
 858         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 859     }
 860
 861     rmtree $self->{rootfs};
 862     mkpath $self->{rootfs};
 863 }
 864
 865 sub __deb_version_cmp {
 866     my ($cur, $op, $new) = @_;
 867
 868     if (system("dpkg", "--compare-versions", $cur, $op, $new) == 0) {
 869         return 1;
 870     }
 871
 872     return 0;
 873 }
 874
 875 sub __parse_packages {
 876     my ($pkginfo, $filename, $src) = @_;
 877
 878     local $/ = '';
 879     open (PKGLST, "<$filename") ||
 880         die "unable to open '$filename'";
 881
 882     while (my $rec = <PKGLST>) {
 883         $rec =~ s/\n\s+/ /g;
 884         chomp $rec;
 885         $rec .= "\n";
 886
 887         my $res = {};
 888
 889         while ($rec =~ s/^([^:]+):\s+(.*)\s*\n//) {
 890             $res->{lc $1} = $2;
 891         }
 892
 893         my $pkg = $res->{'package'};
 894         if ($pkg && $res->{'filename'}) {
 895             my $cur;
 896             if (my $info = $pkginfo->{$pkg}) {
 897                 $cur = $info->{version};
 898             }
 899             my $new = $res->{version};
 900             if (!$cur || __deb_version_cmp ($cur, 'lt', $new)) {
 901                 if ($src) {
 902                     $res->{url} = "$src/$res->{'filename'}";
 903                 } else {
 904                     die "no url for package '$pkg'" if !$res->{url};
 905                 }
 906                 $pkginfo->{$pkg} = $res;
 907             }
 908         }
 909     }
 910
 911     close (PKGLST);
 912 }
 913
 914 sub pkginfo {
 915     my ($self) = @_;
 916
 917     return $self->{pkginfo} if $self->{pkginfo};
 918
 919     my $infodir = $self->{infodir};
 920     my $arch = $self->{config}->{architecture};
 921
 922     my $availfn = "$infodir/available";
 923
 924     my $pkginfo = {};
 925     my $pkgcount = 0;
 926
 927     # reading 'available' is faster, because it only contains latest version
 928     # (no need to do slow version compares)
 929     if (-f $availfn) {
 930             __parse_packages ($pkginfo, $availfn);
 931             $self->{pkginfo} = $pkginfo;
 932             return $pkginfo;
 933     }
 934
 935     $self->logmsg ("generating available package list\n");
 936
 937     foreach my $ss (@{$self->{sources}}) {
 938         foreach my $comp (@{$ss->{comp}}) {
 939             my $url = "$ss->{source}/dists/$ss->{suite}/$comp/binary-$arch/Packages";
 940             my $pkgfilelist = "$infodir/" . __url_to_filename ($url);
 941
 942             my $src = $ss->{mirror} || $ss->{source};
 943
 944             __parse_packages ($pkginfo, $pkgfilelist, $src);
 945         }
 946     }
 947
 948     if (my $dep = $self->{config}->{depends}) {
 949         foreach my $d (split (/,/, $dep)) {
 950             if ($d =~ m/^\s*(\S+)\s*(\((\S+)\s+(\S+)\)\s*)?$/) {
 951                 my ($pkg, $op, $rver) = ($1, $3, $4);
 952                 $self->logmsg ("checking dependencies: $d\n");
 953                 my $info = $pkginfo->{$pkg};
 954                 die "package '$pkg' not available\n" if !$info;
 955                 if ($op) {
 956                     my $cver = $info->{version};
 957                     if (!__deb_version_cmp ($cver, $op, $rver)) {
 958                         die "detected wrong version '$cver'\n";
 959                     }
 960                 }
 961             } else {
 962                 die "syntax error in depends field";
 963             }
 964         }
 965     }
 966
 967     $self->{pkginfo} = $pkginfo;
 968
 969     my $tmpfn = "$availfn.tmp$$";
 970     my $fd = IO::File->new (">$tmpfn");
 971     foreach my $pkg (sort keys %$pkginfo) {
 972         my $info = $pkginfo->{$pkg};
 973         print $fd "package: $pkg\n";
 974         foreach my $k (sort keys %$info) {
 975             next if $k eq 'description';
 976             next if $k eq 'package';
 977             my $v = $info->{$k};
 978             print $fd "$k: $v\n" if $v;
 979         }
 980         print $fd "description: $info->{description}\n" if $info->{description};
 981         print $fd "\n";
 982     }
 983     close ($fd);
 984
 985     rename ($tmpfn, $availfn);
 986
 987     return $pkginfo;
 988 }
 989
 990 sub __record_provides {
 991     my ($pkginfo, $closure, $list, $skipself) = @_;
 992
 993     foreach my $pname (@$list) {
 994         my $info = $pkginfo->{$pname};
 995         # fixme: if someone install packages directly using dpkg, there
 996         # is no entry in 'available', only in 'status'. In that case, we
 997         # should extract info from $instpkgs
 998         if (!$info) {
 999             warn "hint: ignoring provides for '$pname' - package not in 'available' list.\n";
1000             next;
1001         }
1002         if (my $prov = $info->{provides}) {
1003             my @pl = split (',', $prov);
1004             foreach my $p (@pl) {
1005                 $p =~ m/\s*(\S+)/;
1006                 if (!($skipself && (grep { $1 eq $_ } @$list))) {
1007                     $closure->{$1} = 1;
1008                 }
1009             }
1010         }
1011         $closure->{$pname} = 1 if !$skipself;
1012     }
1013 }
1014
1015 sub closure {
1016     my ($self, $closure, $list) = @_;
1017
1018     my $pkginfo = $self->pkginfo();
1019
1020     # first, record provided packages
1021     __record_provides ($pkginfo, $closure, $list, 1);
1022
1023     my $pkghash = {};
1024     my $pkglist = [];
1025
1026     # then resolve dependencies
1027     foreach my $pname (@$list) {
1028         __closure_single ($pkginfo, $closure, $pkghash, $pkglist, $pname, $self->{excl});
1029     }
1030
1031     return $pkglist;
1032 }
1033
1034 sub __closure_single {
1035     my ($pkginfo, $closure, $pkghash, $pkglist, $pname, $excl) = @_;
1036
1037     $pname =~ s/^\s+//;
1038     $pname =~ s/\s+$//;
1039     $pname =~ s/:any$//;
1040
1041     return if $closure->{$pname};
1042
1043     my $info = $pkginfo->{$pname} || die "no such package '$pname'";
1044
1045     my $dep = $info->{depends};
1046     my $predep = $info->{'pre-depends'};
1047
1048     my $size = $info->{size};
1049     my $url = $info->{url};
1050
1051     $url || die "$pname: no url for package '$pname'";
1052
1053     if (!$pkghash->{$pname}) {
1054         unshift @$pkglist, $pname;
1055         $pkghash->{$pname} = 1;
1056     }
1057
1058     __record_provides ($pkginfo, $closure, [$pname]) if $info->{provides};
1059
1060     $closure->{$pname} = 1;
1061
1062     #print "$url\n";
1063
1064     my @l;
1065
1066     push  @l, split (/,/, $predep) if $predep;
1067     push  @l, split (/,/, $dep) if $dep;
1068
1069   DEPEND: foreach my $p (@l) {
1070       my @l1 = split (/\|/, $p);
1071       foreach my $p1 (@l1) {
1072           if ($p1 =~ m/^\s*(\S+).*/) {
1073               #printf (STDERR "$pname: $p --> $1\n");
1074               if ($closure->{$1}) {
1075                   next DEPEND; # dependency already met
1076               }
1077           }
1078       }
1079       # search for non-excluded alternative
1080       my $found;
1081       foreach my $p1 (@l1) {
1082           if ($p1 =~ m/^\s*(\S+).*/) {
1083               next if grep { $1 eq $_ } @$excl;
1084               $found = $1;
1085               last;
1086           }
1087       }
1088       die "package '$pname' depends on exclusion '$p'\n" if !$found;
1089
1090       #printf (STDERR "$pname: $p --> $found\n");
1091
1092       __closure_single ($pkginfo, $closure, $pkghash, $pkglist, $found, $excl);
1093   }
1094 }
1095
1096 sub cache_packages {
1097     my ($self, $pkglist) = @_;
1098
1099     foreach my $pkg (@$pkglist) {
1100         $self->getpkgfile ($pkg);
1101     }
1102 }
1103
1104 sub getpkgfile {
1105     my ($self, $pkg) = @_;
1106
1107     my $pkginfo = $self->pkginfo();
1108     my $info = $pkginfo->{$pkg} || die "no such package '$pkg'";
1109     my $cachedir = $self->{cachedir};
1110
1111     my $url = $info->{url};
1112
1113     my $filename;
1114     if ($url =~ m|/([^/]+.deb)$|) {
1115         $filename = $1;
1116     } else {
1117         die "internal error";
1118     }
1119
1120     return $filename if -f "$cachedir/$filename";
1121
1122     mkpath $cachedir;
1123
1124     $self->download ($url, "$cachedir/$filename");
1125
1126     return $filename;
1127 }
1128
1129 sub install_init_script {
1130     my ($self, $script, $runlevel, $prio) = @_;
1131
1132     my $suite = $self->{config}->{suite};
1133     my $rootdir = $self->{rootfs};
1134
1135     my $base = basename ($script);
1136     my $target = "$rootdir/etc/init.d/$base";
1137
1138     $self->run_command ("install -m 0755 '$script' '$target'");
1139     if ($suite eq 'etch' || $suite eq 'lenny') {
1140         $self->ve_command ("update-rc.d $base start $prio $runlevel .");
1141     } elsif ($suite eq 'xenial' || $suite eq 'wily' || $suite eq 'vivid' ||
1142              $suite eq 'yakkety' || $suite eq 'zesty' || $suite eq 'artful') {
1143         die "unable to install init script (system uses systemd)\n";
1144     } elsif ($suite eq 'trusty' || $suite eq 'precise') {
1145         die "unable to install init script (system uses upstart)\n";
1146     } else {
1147         $self->ve_command ("insserv $base");
1148     }
1149
1150     return $target;
1151 }
1152
1153 sub bootstrap {
1154     my ($self, $opts) = @_;
1155
1156     my $pkginfo = $self->pkginfo();
1157     my $veid = $self->{veid};
1158     my $suite = $self->{config}->{suite};
1159
1160     my $important = [ @{$self->{incl}} ];
1161     my $required;
1162     my $standard;
1163
1164     my $mta = $opts->{exim} ? 'exim' : 'postfix';
1165
1166     if ($mta eq 'postfix') {
1167         push @$important, "postfix";
1168     }
1169
1170     foreach my $p (sort keys %$pkginfo) {
1171         next if grep { $p eq $_ } @{$self->{excl}};
1172         my $pri = $pkginfo->{$p}->{priority};
1173         next if !$pri;
1174         next if $mta ne 'exim' && $p =~ m/exim/;
1175         next if $p =~ m/(selinux|semanage|policycoreutils)/;
1176
1177         push @$required, $p  if $pri eq 'required';
1178         push @$important, $p if $pri eq 'important';
1179         push @$standard, $p if $pri eq 'standard' && !$opts->{minimal};
1180     }
1181
1182     my $closure = {};
1183     $required = $self->closure ($closure, $required);
1184     $important = $self->closure ($closure, $important);
1185
1186     if (!$opts->{minimal}) {
1187         push @$standard, 'xbase-clients';
1188         $standard = $self->closure ($closure, $standard);
1189     }
1190
1191     # test if we have all 'ubuntu-minimal' and 'ubuntu-standard' packages
1192     # except those explicitly excluded
1193     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1194         my $mdeps = $pkginfo->{'ubuntu-minimal'}->{depends};
1195         foreach my $d (split (/,/, $mdeps)) {
1196             if ($d =~ m/^\s*(\S+)$/) {
1197                 my $pkg = $1;
1198                 next if $closure->{$pkg};
1199                 next if grep { $pkg eq $_ } @{$self->{excl}};
1200                 die "missing ubuntu-minimal package '$pkg'\n";
1201             }
1202         }
1203         if (!$opts->{minimal}) {
1204             $mdeps = $pkginfo->{'ubuntu-standard'}->{depends};
1205             foreach my $d (split (/,/, $mdeps)) {
1206                 if ($d =~ m/^\s*(\S+)$/) {
1207                     my $pkg = $1;
1208                     next if $closure->{$pkg};
1209                     next if grep { $pkg eq $_ } @{$self->{excl}};
1210                     die "missing ubuntu-standard package '$pkg'\n";
1211                 }
1212             }
1213         }
1214     }
1215
1216     # download/cache all files first
1217     $self->cache_packages ($required);
1218     $self->cache_packages ($important);
1219     $self->cache_packages ($standard);
1220
1221     my $rootdir = $self->{rootfs};
1222
1223     # extract required packages first
1224     $self->logmsg ("create basic environment\n");
1225     foreach my $p (@$required) {
1226         my $filename = $self->getpkgfile ($p);
1227         my $content = $self->run_command("ar -t '$self->{cachedir}/$filename'", undef, 1);
1228         if ($content =~ m/^data.tar.xz$/m) {
1229             $self->run_command ("ar -p '$self->{cachedir}/$filename' data.tar.xz | tar -C '$rootdir' -xJf -");
1230         } else {
1231             $self->run_command ("ar -p '$self->{cachedir}/$filename' data.tar.gz | tar -C '$rootdir' -xzf -");
1232         }
1233     }
1234
1235     # fake dpkg status
1236     my $data = "Package: dpkg\n" .
1237         "Version: $pkginfo->{dpkg}->{version}\n" .
1238         "Status: install ok installed\n";
1239
1240     write_file ($data, "$rootdir/var/lib/dpkg/status");
1241     write_file ("", "$rootdir/var/lib/dpkg/info/dpkg.list");
1242     write_file ("", "$rootdir/var/lib/dpkg/available");
1243
1244     $data = '';
1245     foreach my $ss (@{$self->{sources}}) {
1246         my $url = $ss->{source};
1247         my $comp = join (' ', @{$ss->{comp}});
1248         $data .= "deb $url $ss->{suite} $comp\n\n";
1249     }
1250
1251     write_file ($data, "$rootdir/etc/apt/sources.list");
1252
1253     $data = "# UNCONFIGURED FSTAB FOR BASE SYSTEM\n";
1254     write_file ($data, "$rootdir/etc/fstab", 0644);
1255
1256     write_file ("localhost\n", "$rootdir/etc/hostname", 0644);
1257
1258     # avoid warnings about non-existent resolv.conf
1259     write_file ("", "$rootdir/etc/resolv.conf", 0644);
1260
1261     if ($suite eq 'artful' || $suite eq 'zesty' || $suite eq 'yakkety' ||
1262         $suite eq 'xenial' || $suite eq 'wily') {
1263         # no need to configure loopback device
1264     } else {
1265         $data = "auto lo\niface lo inet loopback\n";
1266         mkdir "$rootdir/etc/network";
1267         write_file ($data, "$rootdir/etc/network/interfaces", 0644);
1268     }
1269
1270     # setup devices
1271     $self->run_command ("tar xzf '$devicetar' -C '$rootdir'");
1272
1273     # avoid warnings about missing default locale
1274     write_file ("LANG=\"C\"\n", "$rootdir/etc/default/locale", 0644);
1275
1276     # fake init
1277     rename ("$rootdir/sbin/init", "$rootdir/sbin/init.org");
1278     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1279
1280     $self->run_command ("cp '$default_env' '$rootdir/sbin/defenv'");
1281
1282     $self->run_command ("lxc-start -n $veid -f $self->{veconffile}");
1283
1284     $self->logmsg ("initialize ld cache\n");
1285     $self->ve_command ("/sbin/ldconfig");
1286     $self->run_command ("ln -sf mawk '$rootdir/usr/bin/awk'");
1287
1288     $self->logmsg ("installing packages\n");
1289
1290     $self->ve_dpkg ('install', 'base-files', 'base-passwd');
1291
1292     $self->ve_dpkg ('install', 'dpkg');
1293
1294     $self->run_command ("ln -sf /usr/share/zoneinfo/UTC '$rootdir/etc/localtime'");
1295
1296     $self->run_command ("ln -sf bash '$rootdir/bin/sh'");
1297
1298     $self->ve_dpkg ('install', 'libc6');
1299     $self->ve_dpkg ('install', 'perl-base');
1300
1301     unlink "$rootdir/usr/bin/awk";
1302
1303     $self->ve_dpkg ('install', 'mawk');
1304     $self->ve_dpkg ('install', 'debconf');
1305
1306     # unpack required packages
1307     foreach my $p (@$required) {
1308         $self->ve_dpkg ('unpack', $p);
1309     }
1310
1311     rename ("$rootdir/sbin/init.org", "$rootdir/sbin/init");
1312     $self->ve_divert_add ("/sbin/init");
1313     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1314
1315     # disable service activation
1316     $self->ve_divert_add ("/usr/sbin/policy-rc.d");
1317     $data = "#!/bin/sh\nexit 101\n";
1318     write_file ($data, "$rootdir/usr/sbin/policy-rc.d", 755);
1319
1320     # disable start-stop-daemon
1321     $self->ve_divert_add ("/sbin/start-stop-daemon");
1322     $data = <<EOD;
1323 #!/bin/sh
1324 echo
1325 echo \"Warning: Fake start-stop-daemon called, doing nothing\"
1326 EOD
1327     write_file ($data, "$rootdir/sbin/start-stop-daemon", 0755);
1328
1329     # disable udevd
1330     $self->ve_divert_add ("/sbin/udevd");
1331
1332     if ($suite eq 'etch') {
1333         # disable apache2 startup
1334         write_file ("NO_START=1\n", "$rootdir/etc/default/apache2");
1335     }
1336
1337     $self->logmsg ("configure required packages\n");
1338     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1339
1340     # set postfix defaults
1341     if ($mta eq 'postfix') {
1342         $data = "postfix postfix/main_mailer_type select Local only\n";
1343         $self->ve_debconfig_set ($data);
1344
1345         $data = "postmaster: root\nwebmaster: root\n";
1346         write_file ($data, "$rootdir/etc/aliases");
1347     }
1348
1349     if ($suite eq 'jaunty') {
1350         # jaunty does not create /var/run/network, so network startup fails.
1351         # so we do not use tmpfs for /var/run and /var/lock
1352         $self->run_command ("sed -e 's/RAMRUN=yes/RAMRUN=no/' -e 's/RAMLOCK=yes/RAMLOCK=no/'  -i $rootdir/etc/default/rcS");
1353         # and create the directory here
1354         $self->run_command ("mkdir $rootdir/var/run/network");
1355     }
1356
1357     # unpack base packages
1358     foreach my $p (@$important) {
1359         $self->ve_dpkg ('unpack', $p);
1360     }
1361
1362     # start loopback
1363     if (-x "$rootdir/sbin/ifconfig") {
1364         $self->ve_command ("ifconfig lo up");
1365     } else {
1366         $self->ve_command ("ip link set lo up");
1367     }
1368
1369     $self->logmsg ("configure important packages\n");
1370     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1371
1372     if (-d "$rootdir/etc/event.d") {
1373         unlink <$rootdir/etc/event.d/tty*>;
1374     }
1375
1376     if (-f "$rootdir/etc/inittab") {
1377         $self->run_command ("sed -i -e '/getty\\s38400\\stty[23456]/d' '$rootdir/etc/inittab'");
1378     }
1379
1380     # Link /etc/mtab to /proc/mounts, so df and friends will work:
1381     unlink "$rootdir/etc/mtab";
1382     $self->ve_command ("ln -s /proc/mounts /etc/mtab");
1383
1384     # reset password
1385     $self->ve_command ("usermod -L root");
1386
1387     if ($mta eq 'postfix') {
1388         $data = "postfix postfix/main_mailer_type select No configuration\n";
1389         $self->ve_debconfig_set ($data);
1390
1391         unlink "$rootdir/etc/mailname";
1392         write_file ($postfix_main_cf, "$rootdir/etc/postfix/main.cf");
1393     }
1394
1395     if (!$opts->{minimal}) {
1396         # unpack standard packages
1397         foreach my $p (@$standard) {
1398             $self->ve_dpkg ('unpack', $p);
1399         }
1400
1401         $self->logmsg ("configure standard packages\n");
1402         $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1403     }
1404
1405     # disable HWCLOCK access
1406     $self->run_command ("echo 'HWCLOCKACCESS=no' >> '$rootdir/etc/default/rcS'");
1407
1408     # disable hald
1409     $self->ve_divert_add ("/usr/sbin/hald");
1410
1411     # disable /dev/urandom init
1412     $self->run_command ("install -m 0755 '$script_init_urandom' '$rootdir/etc/init.d/urandom'");
1413
1414     if ($suite eq 'etch' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1415         # avoid klogd start
1416         $self->ve_divert_add ("/sbin/klogd");
1417     }
1418
1419     # remove unnecessays sysctl entries to avoid warnings
1420     my $cmd = 'sed';
1421     $cmd .= ' -e \'s/^\(kernel\.printk.*\)/#\1/\'';
1422     $cmd .= ' -e \'s/^\(kernel\.maps_protect.*\)/#\1/\'';
1423     $cmd .= ' -e \'s/^\(fs\.inotify\.max_user_watches.*\)/#\1/\'';
1424     $cmd .= ' -e \'s/^\(vm\.mmap_min_addr.*\)/#\1/\'';
1425     $cmd .= " -i '$rootdir/etc/sysctl.conf'";
1426     $self->run_command ($cmd);
1427
1428     my $bindv6only = "$rootdir/etc/sysctl.d/bindv6only.conf";
1429     if (-f $bindv6only) {
1430         $cmd = 'sed';
1431         $cmd .= ' -e \'s/^\(net\.ipv6\.bindv6only.*\)/#\1/\'';
1432         $cmd .= " -i '$bindv6only'";
1433         $self->run_command ($cmd);
1434     }
1435
1436     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1437         # disable tty init (console-setup)
1438         my $cmd = 'sed';
1439         $cmd .= ' -e \'s/^\(ACTIVE_CONSOLES=.*\)/ACTIVE_CONSOLES=/\'';
1440         $cmd .= " -i '$rootdir/etc/default/console-setup'";
1441         $self->run_command ($cmd);
1442     }
1443
1444     if ($suite eq 'intrepid') {
1445         # remove sysctl setup (avoid warnings at startup)
1446         my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
1447         $filelist .= " $rootdir/etc/sysctl.d/10-process-security.conf";
1448         $filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
1449         $self->run_command ("rm $filelist");
1450     }
1451     if ($suite eq 'jaunty') {
1452         # remove sysctl setup (avoid warnings at startup)
1453         my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
1454         $filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
1455         $self->run_command ("rm $filelist");
1456     }
1457 }
1458
1459 sub enter {
1460     my ($self) = @_;
1461
1462     my $veid = $self->{veid};
1463     my $conffile = $self->{veconffile};
1464
1465     my $vestat = $self->ve_status();
1466
1467     if (!$vestat->{exist}) {
1468         $self->logmsg ("Please create the appliance first (bootstrap)");
1469         return;
1470     }
1471
1472     if (!$vestat->{running}) {
1473         $self->run_command ("lxc-start -n $veid -f $conffile");
1474     }
1475
1476     system ("lxc-attach -n $veid --rcfile $conffile --clear-env");
1477 }
1478
1479 sub ve_mysql_command {
1480     my ($self, $sql, $password) = @_;
1481
1482     #my $bootstrap = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1483     #"--skip-bdb  --skip-innodb --skip-ndbcluster";
1484
1485     $self->ve_command ("mysql", $sql);
1486 }
1487
1488 sub ve_mysql_bootstrap {
1489     my ($self, $sql, $password) = @_;
1490
1491     my $cmd;
1492
1493     my $suite = $self->{config}->{suite};
1494
1495     if ($suite eq 'jessie') {
1496         my $rootdir = $self->{rootfs};
1497         $self->run_command ("sed -e 's/^key_buffer\\s*=/key_buffer_size =/' -i $rootdir/etc/mysql/my.cnf");
1498     }
1499
1500     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie') {
1501         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables";
1502
1503     } else {
1504         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1505             "--skip-bdb  --skip-innodb --skip-ndbcluster";
1506     }
1507
1508     $self->ve_command ($cmd, $sql);
1509 }
1510
1511 sub compute_required {
1512     my ($self, $pkglist) = @_;
1513
1514     my $pkginfo = $self->pkginfo();
1515     my $instpkgs = $self->read_installed ();
1516
1517     my $closure = {};
1518     __record_provides ($pkginfo, $closure, [keys %$instpkgs]);
1519
1520     return $self->closure ($closure, $pkglist);
1521 }
1522
1523 sub task_postgres {
1524     my ($self, $opts) = @_;
1525
1526     my @supp = ('7.4', '8.1');
1527     my $pgversion = '8.1';
1528
1529     my $suite = $self->{config}->{suite};
1530
1531     if ($suite eq 'lenny' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1532         @supp = ('8.3');
1533         $pgversion = '8.3';
1534     } elsif ($suite eq 'squeeze') {
1535         @supp = ('8.4');
1536         $pgversion = '8.4';
1537     } elsif ($suite eq 'wheezy') {
1538         @supp = ('9.1');
1539         $pgversion = '9.1';
1540     } elsif ($suite eq 'jessie') {
1541         @supp = ('9.4');
1542         $pgversion = '9.4';
1543     } elsif ($suite eq 'stretch') {
1544         @supp = ('9.6');
1545         $pgversion = '9.6';
1546     }
1547
1548     $pgversion = $opts->{version} if $opts->{version};
1549
1550     die "unsupported postgres version '$pgversion'\n"
1551         if !grep { $pgversion eq $_; } @supp;
1552
1553     my $rootdir = $self->{rootfs};
1554
1555     my $required = $self->compute_required (["postgresql-$pgversion"]);
1556
1557     $self->cache_packages ($required);
1558
1559     $self->ve_dpkg ('install', @$required);
1560
1561     my $iscript = "postgresql-$pgversion";
1562     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie' ||
1563         $suite eq 'stretch') {
1564         $iscript = 'postgresql';
1565     }
1566
1567     $self->ve_command ("/etc/init.d/$iscript start") if $opts->{start};
1568 }
1569
1570 sub task_mysql {
1571     my ($self, $opts) = @_;
1572
1573     my $password = $opts->{password};
1574     my $rootdir = $self->{rootfs};
1575
1576     my $suite = $self->{config}->{suite};
1577
1578     my $ver = '5.0';
1579     if ($suite eq 'squeeze') {
1580       $ver = '5.1';
1581     } elsif ($suite eq 'wheezy' || $suite eq 'jessie') {
1582       $ver = '5.5';
1583     } else {
1584         die "task_mysql: unsupported suite '$suite'";
1585     }
1586
1587     my $required = $self->compute_required (['mysql-common', "mysql-server-$ver"]);
1588
1589     $self->cache_packages ($required);
1590
1591     $self->ve_dpkg ('install', @$required);
1592
1593     # fix security (see /usr/bin/mysql_secure_installation)
1594     my $sql = "DELETE FROM mysql.user WHERE User='';\n" .
1595         "DELETE FROM mysql.user WHERE User='root' AND Host!='localhost';\n" .
1596         "FLUSH PRIVILEGES;\n";
1597     $self->ve_mysql_bootstrap ($sql);
1598
1599     if ($password) {
1600
1601         my $rpw = $password eq 'random' ? 'admin' : $password;
1602
1603         my $sql = "USE mysql;\n" .
1604             "UPDATE user SET password=PASSWORD(\"$rpw\") WHERE user='root';\n" .
1605             "FLUSH PRIVILEGES;\n";
1606         $self->ve_mysql_bootstrap ($sql);
1607
1608         write_file ("[client]\nuser=root\npassword=\"$rpw\"\n", "$rootdir/root/.my.cnf", 0600);
1609         if ($password eq 'random') {
1610             $self->install_init_script ($script_mysql_randompw, 2, 20);
1611         }
1612     }
1613
1614     $self->ve_command ("/etc/init.d/mysql start") if $opts->{start};
1615 }
1616
1617 sub task_php {
1618     my ($self, $opts) = @_;
1619
1620     my $memlimit = $opts->{memlimit};
1621     my $rootdir = $self->{rootfs};
1622
1623     my $required = $self->compute_required ([qw (php5 php5-cli libapache2-mod-php5 php5-gd)]);
1624
1625     $self->cache_packages ($required);
1626
1627     $self->ve_dpkg ('install', @$required);
1628
1629     if ($memlimit) {
1630         $self->run_command ("sed -e 's/^\\s*memory_limit\\s*=.*;/memory_limit = ${memlimit}M;/' -i $rootdir/etc/php5/apache2/php.ini");
1631     }
1632 }
1633
1634 sub install {
1635     my ($self, $pkglist, $unpack) = @_;
1636
1637     my $required = $self->compute_required ($pkglist);
1638
1639     $self->cache_packages ($required);
1640
1641     $self->ve_dpkg ($unpack ? 'unpack' : 'install', @$required);
1642 }
1643
1644 sub cleanup {
1645     my ($self, $distclean) = @_;
1646
1647     unlink $self->{logfile};
1648     unlink "$self->{targetname}.tar";
1649     unlink "$self->{targetname}.tar.gz";
1650
1651     $self->ve_destroy ();
1652     unlink ".veid";
1653
1654     rmtree $self->{cachedir} if $distclean && !$self->{config}->{cachedir};
1655
1656     rmtree $self->{infodir};
1657
1658 }
1659
1660 1;