DAB.pm

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