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/^de(bi|vu)an-/) {
 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.uts.name = localhost\n";
 248     $data .= "lxc.rootfs.path = $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 'devuan-jessie') {
 335         $suite = 'jessie';
 336         $config->{ostype} = "devuan-1.0";
 337     } elsif ($suite eq 'devuan-ascii' || $suite eq 'ascii') {
 338         $suite = 'ascii';
 339         $config->{ostype} = "devuan-2.0";
 340     } elsif ($suite eq 'hardy') {
 341         $config->{ostype} = "ubuntu-8.04";
 342     } elsif ($suite eq 'intrepid') {
 343         $config->{ostype} = "ubuntu-8.10";
 344     } elsif ($suite eq 'jaunty') {
 345         $config->{ostype} = "ubuntu-9.04";
 346     } elsif ($suite eq 'precise') {
 347         $config->{ostype} = "ubuntu-12.04";
 348     } elsif ($suite eq 'trusty') {
 349         $config->{ostype} = "ubuntu-14.04";
 350     } elsif ($suite eq 'vivid') {
 351         $config->{ostype} = "ubuntu-15.04";
 352     } elsif ($suite eq 'wily') {
 353         $config->{ostype} = "ubuntu-15.10";
 354     } elsif ($suite eq 'xenial') {
 355         $config->{ostype} = "ubuntu-16.04";
 356     } elsif ($suite eq 'yakkety') {
 357         $config->{ostype} = "ubuntu-16.10";
 358     } elsif ($suite eq 'zesty') {
 359         $config->{ostype} = "ubuntu-17.04";
 360     } elsif ($suite eq 'artful') {
 361         $config->{ostype} = "ubuntu-17.10";
 362     } else {
 363         die "unsupported debian suite '$suite'\n";
 364     }
 365
 366     my $name = $config->{name} || die "no 'name' specified\n";
 367
 368     $name =~ m/^[a-z][0-9a-z\-\*\.]+$/ ||
 369         die "illegal characters in name '$name'\n";
 370
 371     my $version = $config->{version};
 372     die "no 'version' specified\n" if !$version;
 373     die "no 'section' specified\n" if !$config->{section};
 374     die "no 'description' specified\n" if !$config->{headline};
 375     die "no 'maintainer' specified\n" if !$config->{maintainer};
 376
 377     if ($name =~ m/^$config->{ostype}/) {
 378         $self->{targetname} = "${name}_${version}_$config->{architecture}";
 379     } else {
 380         $self->{targetname} = "$config->{ostype}-${name}_" .
 381             "${version}_$config->{architecture}";
 382     }
 383
 384     if (!$config->{source}) {
 385         if ($suite eq 'etch' || $suite eq 'lenny') {
 386             push @{$config->{source}}, "http://ftp.debian.org/debian SUITE main contrib";
 387             push @{$config->{source}}, "http://security.debian.org SUITE/updates main contrib";
 388         } elsif ($suite eq 'squeeze' || $suite eq 'wheezy' ||
 389                  $suite eq 'jessie' || $suite eq 'stretch' ) {
 390             push @{$config->{source}}, "http://ftp.debian.org/debian SUITE main contrib";
 391             push @{$config->{source}}, "http://ftp.debian.org/debian SUITE-updates main contrib";
 392             push @{$config->{source}}, "http://security.debian.org SUITE/updates main contrib";
 393         } elsif ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty' ||
 394                  $suite eq 'xenial' || $suite eq 'wily' || $suite eq 'vivid' ||
 395                  $suite eq 'trusty' || $suite eq 'precise' || $suite eq 'yakkety' ||
 396                  $suite eq 'zesty' || $suite eq 'artful' ) {
 397             my $comp = "main restricted universe multiverse";
 398             push @{$config->{source}}, "http://archive.ubuntu.com/ubuntu SUITE $comp";
 399             push @{$config->{source}}, "http://archive.ubuntu.com/ubuntu SUITE-updates $comp";
 400             push @{$config->{source}}, "http://archive.ubuntu.com/ubuntu SUITE-security $comp";
 401         } else {
 402             die "implement me";
 403         }
 404     }
 405
 406     my $sources = undef;
 407
 408     foreach my $s (@{$config->{source}}) {
 409         if ($s =~ m@^\s*((http|ftp)://\S+)\s+(\S+)((\s+(\S+))+)$@) {
 410             my ($url, $su, $components) = ($1, $3, $4);
 411             $su =~ s/SUITE/$suite/;
 412             $components =~ s/^\s+//;
 413             $components =~ s/\s+$//;
 414             my $ca;
 415             foreach my $co (split (/\s+/, $components)) {
 416                 push @$ca, $co;
 417             }
 418             $ca = ['main'] if !$ca;
 419
 420             push @$sources, {
 421                 source => $url,
 422                 comp => $ca,
 423                 suite => $su,
 424             };
 425         } else {
 426             die "syntax error in source spezification '$s'\n";
 427         }
 428     }
 429
 430     foreach my $m (@{$config->{mirror}}) {
 431         if ($m =~ m@^\s*((http|ftp)://\S+)\s*=>\s*((http|ftp)://\S+)\s*$@) {
 432             my ($ms, $md) = ($1, $3);
 433             my $found;
 434             foreach my $ss (@$sources) {
 435                 if ($ss->{source} eq $ms) {
 436                     $found = 1;
 437                     $ss->{mirror} = $md;
 438                     last;
 439                 }
 440             }
 441             die "unusable mirror $ms\n" if !$found;
 442         } else {
 443             die "syntax error in mirror spezification '$m'\n";
 444         }
 445     }
 446
 447     $self->{sources} = $sources;
 448
 449     $self->{infodir} = "info";
 450
 451     $self->__allocate_ve ();
 452
 453     $self->{cachedir} = ($config->{cachedir} || 'cache')  . "/$suite";;
 454
 455     my $incl = [qw (less ssh openssh-server logrotate)];
 456
 457     my $excl = [qw (modutils reiserfsprogs ppp pppconfig pppoe
 458                     pppoeconf nfs-common mtools ntp)];
 459
 460     # ubuntu has too many dependencies on udev, so
 461     # we cannot exclude it (instead we disable udevd)
 462
 463     if ($suite eq 'vivid' || $suite eq 'wily' || $suite eq 'xenial' ||
 464         $suite eq 'yakkety' || $suite eq 'zesty' || $suite eq 'artful') {
 465         push @$incl, 'isc-dhcp-client';
 466         push @$excl, qw(libmodule-build-perl);
 467     } elsif ($suite eq 'trusty') {
 468         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+);
 469    } elsif ($suite eq 'precise') {
 470         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+ ubuntu-standard);
 471     } elsif ($suite eq 'hardy') {
 472         push @$excl, qw(kbd);
 473         push @$excl, qw(apparmor apparmor-utils ntfs-3g
 474                         friendly-recovery);
 475     } elsif ($suite eq 'intrepid' || $suite eq 'jaunty') {
 476         push @$excl, qw(apparmor apparmor-utils libapparmor1 libapparmor-perl
 477                         libntfs-3g28 ntfs-3g friendly-recovery);
 478     } elsif ($suite eq 'jessie') {
 479         push @$incl, 'sysvinit-core'; # avoid systemd and udev
 480         push @$incl, 'libperl4-corelibs-perl'; # to make lsof happy
 481         push @$excl, qw(systemd systemd-sysv udev module-init-tools pciutils hdparm
 482                         memtest86+ parted);
 483     } elsif ($suite eq 'stretch') {
 484         push @$excl, qw(module-init-tools pciutils hdparm
 485                         memtest86+ parted);
 486      } else {
 487         push @$excl, qw(udev module-init-tools pciutils hdparm
 488                         memtest86+ parted);
 489     }
 490
 491     $self->{incl} = $incl;
 492     $self->{excl} = $excl;
 493
 494     return $self;
 495 }
 496
 497 sub initialize {
 498     my ($self) = @_;
 499
 500     my $infodir = $self->{infodir};
 501     my $arch = $self->{config}->{architecture};
 502
 503     rmtree $infodir;
 504     mkpath $infodir;
 505
 506     # truncate log
 507     my $logfd = $self->{logfd} = IO::File->new (">$self->{logfile}") ||
 508         die "unable to open log file";
 509
 510     foreach my $ss (@{$self->{sources}}) {
 511         my $src = $ss->{mirror} || $ss->{source};
 512         my $path = "dists/$ss->{suite}/Release";
 513         my $url = "$src/$path";
 514         my $target = __url_to_filename ("$ss->{source}/$path");
 515         eval {
 516             $self->download ($url, "$infodir/$target");
 517             $self->download ("$url.gpg", "$infodir/$target.gpg");
 518             # fixme: impl. verify (needs --keyring option)
 519         };
 520         if (my $err = $@) {
 521             print $logfd $@;
 522             warn "Release info ignored\n";
 523         };
 524         foreach my $comp (@{$ss->{comp}}) {
 525             $path = "dists/$ss->{suite}/$comp/binary-$arch/Packages.gz";
 526             $target = "$infodir/" . __url_to_filename ("$ss->{source}/$path");
 527             my $pkgsrc = "$src/$path";
 528             $self->download ($pkgsrc, $target);
 529             $self->run_command ("gzip -d '$target'");
 530         }
 531     }
 532 }
 533
 534 sub write_config {
 535     my ($self, $filename, $size) = @_;
 536
 537     my $config = $self->{config};
 538
 539     my $data = '';
 540
 541     $data .= "Name: $config->{name}\n";
 542     $data .= "Version: $config->{version}\n";
 543     $data .= "Type: lxc\n";
 544     $data .= "OS: $config->{ostype}\n";
 545     $data .= "Section: $config->{section}\n";
 546     $data .= "Maintainer: $config->{maintainer}\n";
 547     $data .= "Architecture: $config->{architecture}\n";
 548     $data .= "Installed-Size: $size\n";
 549
 550     # optional
 551     $data .= "Infopage: $config->{infopage}\n" if $config->{infopage};
 552     $data .= "ManageUrl: $config->{manageurl}\n" if $config->{manageurl};
 553     $data .= "Certified: $config->{certified}\n" if $config->{certified};
 554
 555     # description
 556     $data .= "Description: $config->{headline}\n";
 557     $data .= "$config->{description}\n" if $config->{description};
 558
 559     write_file ($data, $filename, 0644);
 560 }
 561
 562 sub finalize {
 563     my ($self, $opts) = @_;
 564
 565     my $suite = $self->{config}->{suite};
 566     my $infodir = $self->{infodir};
 567     my $arch = $self->{config}->{architecture};
 568
 569     my $instpkgs = $self->read_installed ();
 570     my $pkginfo = $self->pkginfo();
 571     my $veid = $self->{veid};
 572     my $conffile = $self->{veconffile};
 573     my $rootdir = $self->{rootfs};
 574
 575     my $vestat = $self->ve_status();
 576     die "ve not running - unable to finalize\n" if !$vestat->{running};
 577
 578     # cleanup mysqld
 579     if (-f "$rootdir/etc/init.d/mysql") {
 580         $self->ve_command ("/etc/init.d/mysql stop");
 581     }
 582
 583     if (!($opts->{keepmycnf} || (-f "$rootdir/etc/init.d/mysql_randompw"))) {
 584         unlink "$rootdir/root/.my.cnf";
 585     }
 586
 587     if ($suite eq 'etch') {
 588         # enable apache2 startup
 589         if ($instpkgs->{apache2}) {
 590             write_file ("NO_START=0\n", "$rootdir/etc/default/apache2");
 591         } else {
 592             unlink "$rootdir/etc/default/apache2";
 593         }
 594     }
 595     $self->logmsg ("cleanup package status\n");
 596     # prevent auto selection of all standard, required or important
 597     # packages which are not installed
 598     foreach my $pkg (keys %$pkginfo) {
 599         my $pri = $pkginfo->{$pkg}->{priority};
 600         if ($pri && ($pri eq 'required' || $pri eq 'important'
 601                      || $pri eq 'standard')) {
 602             if (!$instpkgs->{$pkg}) {
 603                 $self->ve_dpkg_set_selection ($pkg, 'purge');
 604             }
 605         }
 606     }
 607
 608     $self->ve_command ("apt-get clean");
 609
 610     $self->logmsg ("update available package list\n");
 611
 612     $self->ve_command ("dpkg --clear-avail");
 613     foreach my $ss (@{$self->{sources}}) {
 614         my $relsrc = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/Release");
 615         if (-f "$infodir/$relsrc" && -f "$infodir/$relsrc.gpg") {
 616             $self->run_command ("cp '$infodir/$relsrc' '$rootdir/var/lib/apt/lists/$relsrc'");
 617             $self->run_command ("cp '$infodir/$relsrc.gpg' '$rootdir/var/lib/apt/lists/$relsrc.gpg'");
 618         }
 619         foreach my $comp (@{$ss->{comp}}) {
 620             my $src = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/" .
 621                                          "$comp/binary-$arch/Packages");
 622             my $target = "/var/lib/apt/lists/$src";
 623             $self->run_command ("cp '$infodir/$src' '$rootdir/$target'");
 624             $self->ve_command ("dpkg --merge-avail '$target'");
 625         }
 626     }
 627
 628     # set dselect default method
 629     write_file ("apt apt\n", "$rootdir/var/lib/dpkg/cmethopt");
 630
 631     $self->ve_divert_remove ("/usr/sbin/policy-rc.d");
 632
 633     $self->ve_divert_remove ("/sbin/start-stop-daemon");
 634
 635     $self->ve_divert_remove ("/sbin/init");
 636
 637     # finally stop the VE
 638     $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 639
 640     unlink "$rootdir/sbin/defenv";
 641
 642     unlink <$rootdir/root/dead.letter*>;
 643
 644     unlink "$rootdir/var/log/init.log";
 645
 646     unlink "$rootdir/aquota.group";
 647
 648     unlink "$rootdir/aquota.user";
 649
 650     write_file ("", "$rootdir/var/log/syslog");
 651
 652     $self->logmsg ("detecting final size: ");
 653
 654     my $sizestr = $self->run_command ("du -sm $rootdir", undef, 1);
 655     my $size;
 656     if ($sizestr =~ m/^(\d+)\s+\Q$rootdir\E$/) {
 657         $size = $1;
 658     } else {
 659         die "unable to detect size\n";
 660     }
 661     $self->logmsg ("$size MB\n");
 662
 663     $self->write_config ("$rootdir/etc/appliance.info", $size);
 664
 665     $self->logmsg ("creating final appliance archive\n");
 666
 667     my $target = "$self->{targetname}.tar";
 668     unlink $target;
 669     unlink "$target.gz";
 670
 671     $self->run_command ("tar cpf $target --numeric-owner -C '$rootdir' ./etc/appliance.info");
 672     $self->run_command ("tar rpf $target --numeric-owner -C '$rootdir' --exclude ./etc/appliance.info .");
 673     $self->run_command ("gzip $target");
 674 }
 675
 676 sub read_installed {
 677     my ($self) = @_;
 678
 679     my $rootdir = $self->{rootfs};
 680
 681     my $pkgfilelist = "$rootdir/var/lib/dpkg/status";
 682     local $/ = '';
 683     open (PKGLST, "<$pkgfilelist") ||
 684         die "unable to open '$pkgfilelist'";
 685
 686     my $pkglist = {};
 687
 688     while (my $rec = <PKGLST>) {
 689         chomp $rec;
 690         $rec =~ s/\n\s+/ /g;
 691         $rec .= "\n";
 692         my $res = {};
 693
 694         while ($rec =~ s/^([^:]+):\s+(.*)\s*\n//) {
 695             $res->{lc $1} = $2;
 696         }
 697
 698         my $pkg = $res->{'package'};
 699         if (my $status = $res->{status}) {
 700             my @sa = split (/\s+/, $status);
 701             my $stat = $sa[0];
 702             if ($stat && ($stat ne 'purge')) {
 703                 $pkglist->{$pkg} = $res;
 704             }
 705         }
 706     }
 707
 708     close (PKGLST);
 709
 710     return $pkglist;
 711 }
 712
 713 sub ve_status {
 714     my ($self) = @_;
 715
 716     my $veid = $self->{veid};
 717
 718     my $res = { running => 0 };
 719
 720     $res->{exist} = 1 if -d "$self->{rootfs}/usr";
 721
 722     my $filename = "/proc/net/unix";
 723
 724     # similar test is used by lcxcontainers.c: list_active_containers
 725     my $fh = IO::File->new ($filename, "r");
 726     return $res if !$fh;
 727
 728     while (defined(my $line = <$fh>)) {
 729         if ($line =~ m/^[a-f0-9]+:\s\S+\s\S+\s\S+\s\S+\s\S+\s\d+\s(\S+)$/) {
 730             my $path = $1;
 731             if ($path =~ m!^@/\S+/$veid/command$!) {
 732                 $res->{running} = 1;
 733             }
 734         }
 735     }
 736     close($fh);
 737
 738     return $res;
 739 }
 740
 741 sub ve_command {
 742     my ($self, $cmd, $input) = @_;
 743
 744     my $veid = $self->{veid};
 745     my $conffile = $self->{veconffile};
 746
 747     if (ref ($cmd) eq 'ARRAY') {
 748         unshift @$cmd, 'lxc-attach', '-n', $veid, '--rcfile', $conffile, '--clear-env', '--', 'defenv';
 749         $self->run_command ($cmd, $input);
 750     } else {
 751         $self->run_command ("lxc-attach -n $veid --rcfile $conffile --clear-env -- defenv $cmd", $input);
 752     }
 753 }
 754
 755 # like ve_command, but pipes stdin correctly
 756 sub ve_exec {
 757     my ($self, @cmd) = @_;
 758
 759     my $veid = $self->{veid};
 760     my $conffile = $self->{veconffile};
 761
 762     my $reader;
 763     my $pid = open2($reader, "<&STDIN", 'lxc-attach', '-n', $veid,  '--rcfile', $conffile, '--',
 764                     'defenv', @cmd) || die "unable to exec command";
 765
 766     while (defined (my $line = <$reader>)) {
 767         $self->logmsg ($line);
 768     }
 769
 770     waitpid ($pid, 0);
 771     my $rc = $? >> 8;
 772
 773     die "ve_exec failed - status $rc\n" if $rc != 0;
 774 }
 775
 776 sub ve_divert_add {
 777     my ($self, $filename) = @_;
 778
 779     $self->ve_command ("dpkg-divert --add --divert '$filename.distrib' " .
 780                        "--rename '$filename'");
 781 }
 782 sub ve_divert_remove {
 783     my ($self, $filename) = @_;
 784
 785     my $rootdir = $self->{rootfs};
 786
 787     unlink "$rootdir/$filename";
 788     $self->ve_command ("dpkg-divert --remove --rename '$filename'");
 789 }
 790
 791 sub ve_debconfig_set {
 792     my ($self, $dcdata) = @_;
 793
 794     my $rootdir = $self->{rootfs};
 795     my $cfgfile = "/tmp/debconf.txt";
 796     write_file ($dcdata, "$rootdir/$cfgfile");
 797     $self->ve_command ("debconf-set-selections $cfgfile");
 798     unlink "$rootdir/$cfgfile";
 799 }
 800
 801 sub ve_dpkg_set_selection {
 802     my ($self, $pkg, $status) = @_;
 803
 804     $self->ve_command ("dpkg --set-selections", "$pkg $status");
 805 }
 806
 807 sub ve_dpkg {
 808     my ($self, $cmd, @pkglist) = @_;
 809
 810     return if !scalar (@pkglist);
 811
 812     my $pkginfo = $self->pkginfo();
 813
 814     my $rootdir = $self->{rootfs};
 815     my $cachedir = $self->{cachedir};
 816
 817     my @files;
 818
 819     foreach my $pkg (@pkglist) {
 820         my $filename = $self->getpkgfile ($pkg);
 821         $self->run_command ("cp '$cachedir/$filename' '$rootdir/$filename'");
 822         push @files, "/$filename";
 823         $self->logmsg ("$cmd: $pkg\n");
 824     }
 825
 826     my $fl = join (' ', @files);
 827
 828     if ($cmd eq 'install') {
 829         $self->ve_command ("dpkg --force-depends --force-confold --install $fl");
 830     } elsif ($cmd eq 'unpack') {
 831         $self->ve_command ("dpkg --force-depends --unpack $fl");
 832     } else {
 833         die "internal error";
 834     }
 835
 836     foreach my $fn (@files) { unlink "$rootdir$fn"; }
 837 }
 838
 839 sub ve_destroy {
 840     my ($self) = @_;
 841
 842     my $veid = $self->{veid}; # fixme
 843     my $conffile = $self->{veconffile};
 844
 845     my $vestat = $self->ve_status();
 846     if ($vestat->{running}) {
 847         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 848     }
 849
 850     rmtree $self->{rootfs};
 851     unlink $self->{veconffile};
 852 }
 853
 854 sub ve_init {
 855     my ($self) = @_;
 856
 857     my $veid = $self->{veid};
 858     my $conffile = $self->{veconffile};
 859
 860     $self->logmsg ("initialize VE $veid\n");
 861
 862     my $vestat = $self->ve_status();
 863     if ($vestat->{running}) {
 864         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 865     }
 866
 867     rmtree $self->{rootfs};
 868     mkpath $self->{rootfs};
 869 }
 870
 871 sub __deb_version_cmp {
 872     my ($cur, $op, $new) = @_;
 873
 874     if (system("dpkg", "--compare-versions", $cur, $op, $new) == 0) {
 875         return 1;
 876     }
 877
 878     return 0;
 879 }
 880
 881 sub __parse_packages {
 882     my ($pkginfo, $filename, $src) = @_;
 883
 884     local $/ = '';
 885     open (PKGLST, "<$filename") ||
 886         die "unable to open '$filename'";
 887
 888     while (my $rec = <PKGLST>) {
 889         $rec =~ s/\n\s+/ /g;
 890         chomp $rec;
 891         $rec .= "\n";
 892
 893         my $res = {};
 894
 895         while ($rec =~ s/^([^:]+):\s+(.*)\s*\n//) {
 896             $res->{lc $1} = $2;
 897         }
 898
 899         my $pkg = $res->{'package'};
 900         if ($pkg && $res->{'filename'}) {
 901             my $cur;
 902             if (my $info = $pkginfo->{$pkg}) {
 903                 $cur = $info->{version};
 904             }
 905             my $new = $res->{version};
 906             if (!$cur || __deb_version_cmp ($cur, 'lt', $new)) {
 907                 if ($src) {
 908                     $res->{url} = "$src/$res->{'filename'}";
 909                 } else {
 910                     die "no url for package '$pkg'" if !$res->{url};
 911                 }
 912                 $pkginfo->{$pkg} = $res;
 913             }
 914         }
 915     }
 916
 917     close (PKGLST);
 918 }
 919
 920 sub pkginfo {
 921     my ($self) = @_;
 922
 923     return $self->{pkginfo} if $self->{pkginfo};
 924
 925     my $infodir = $self->{infodir};
 926     my $arch = $self->{config}->{architecture};
 927
 928     my $availfn = "$infodir/available";
 929
 930     my $pkginfo = {};
 931     my $pkgcount = 0;
 932
 933     # reading 'available' is faster, because it only contains latest version
 934     # (no need to do slow version compares)
 935     if (-f $availfn) {
 936             __parse_packages ($pkginfo, $availfn);
 937             $self->{pkginfo} = $pkginfo;
 938             return $pkginfo;
 939     }
 940
 941     $self->logmsg ("generating available package list\n");
 942
 943     foreach my $ss (@{$self->{sources}}) {
 944         foreach my $comp (@{$ss->{comp}}) {
 945             my $url = "$ss->{source}/dists/$ss->{suite}/$comp/binary-$arch/Packages";
 946             my $pkgfilelist = "$infodir/" . __url_to_filename ($url);
 947
 948             my $src = $ss->{mirror} || $ss->{source};
 949
 950             __parse_packages ($pkginfo, $pkgfilelist, $src);
 951         }
 952     }
 953
 954     if (my $dep = $self->{config}->{depends}) {
 955         foreach my $d (split (/,/, $dep)) {
 956             if ($d =~ m/^\s*(\S+)\s*(\((\S+)\s+(\S+)\)\s*)?$/) {
 957                 my ($pkg, $op, $rver) = ($1, $3, $4);
 958                 $self->logmsg ("checking dependencies: $d\n");
 959                 my $info = $pkginfo->{$pkg};
 960                 die "package '$pkg' not available\n" if !$info;
 961                 if ($op) {
 962                     my $cver = $info->{version};
 963                     if (!__deb_version_cmp ($cver, $op, $rver)) {
 964                         die "detected wrong version '$cver'\n";
 965                     }
 966                 }
 967             } else {
 968                 die "syntax error in depends field";
 969             }
 970         }
 971     }
 972
 973     $self->{pkginfo} = $pkginfo;
 974
 975     my $tmpfn = "$availfn.tmp$$";
 976     my $fd = IO::File->new (">$tmpfn");
 977     foreach my $pkg (sort keys %$pkginfo) {
 978         my $info = $pkginfo->{$pkg};
 979         print $fd "package: $pkg\n";
 980         foreach my $k (sort keys %$info) {
 981             next if $k eq 'description';
 982             next if $k eq 'package';
 983             my $v = $info->{$k};
 984             print $fd "$k: $v\n" if $v;
 985         }
 986         print $fd "description: $info->{description}\n" if $info->{description};
 987         print $fd "\n";
 988     }
 989     close ($fd);
 990
 991     rename ($tmpfn, $availfn);
 992
 993     return $pkginfo;
 994 }
 995
 996 sub __record_provides {
 997     my ($pkginfo, $closure, $list, $skipself) = @_;
 998
 999     foreach my $pname (@$list) {
1000         my $info = $pkginfo->{$pname};
1001         # fixme: if someone install packages directly using dpkg, there
1002         # is no entry in 'available', only in 'status'. In that case, we
1003         # should extract info from $instpkgs
1004         if (!$info) {
1005             warn "hint: ignoring provides for '$pname' - package not in 'available' list.\n";
1006             next;
1007         }
1008         if (my $prov = $info->{provides}) {
1009             my @pl = split (',', $prov);
1010             foreach my $p (@pl) {
1011                 $p =~ m/\s*(\S+)/;
1012                 if (!($skipself && (grep { $1 eq $_ } @$list))) {
1013                     $closure->{$1} = 1;
1014                 }
1015             }
1016         }
1017         $closure->{$pname} = 1 if !$skipself;
1018     }
1019 }
1020
1021 sub closure {
1022     my ($self, $closure, $list) = @_;
1023
1024     my $pkginfo = $self->pkginfo();
1025
1026     # first, record provided packages
1027     __record_provides ($pkginfo, $closure, $list, 1);
1028
1029     my $pkghash = {};
1030     my $pkglist = [];
1031
1032     # then resolve dependencies
1033     foreach my $pname (@$list) {
1034         __closure_single ($pkginfo, $closure, $pkghash, $pkglist, $pname, $self->{excl});
1035     }
1036
1037     return $pkglist;
1038 }
1039
1040 sub __closure_single {
1041     my ($pkginfo, $closure, $pkghash, $pkglist, $pname, $excl) = @_;
1042
1043     $pname =~ s/^\s+//;
1044     $pname =~ s/\s+$//;
1045     $pname =~ s/:any$//;
1046
1047     return if $closure->{$pname};
1048
1049     my $info = $pkginfo->{$pname} || die "no such package '$pname'";
1050
1051     my $dep = $info->{depends};
1052     my $predep = $info->{'pre-depends'};
1053
1054     my $size = $info->{size};
1055     my $url = $info->{url};
1056
1057     $url || die "$pname: no url for package '$pname'";
1058
1059     if (!$pkghash->{$pname}) {
1060         unshift @$pkglist, $pname;
1061         $pkghash->{$pname} = 1;
1062     }
1063
1064     __record_provides ($pkginfo, $closure, [$pname]) if $info->{provides};
1065
1066     $closure->{$pname} = 1;
1067
1068     #print "$url\n";
1069
1070     my @l;
1071
1072     push  @l, split (/,/, $predep) if $predep;
1073     push  @l, split (/,/, $dep) if $dep;
1074
1075   DEPEND: foreach my $p (@l) {
1076       my @l1 = split (/\|/, $p);
1077       foreach my $p1 (@l1) {
1078           if ($p1 =~ m/^\s*(\S+).*/) {
1079               #printf (STDERR "$pname: $p --> $1\n");
1080               if ($closure->{$1}) {
1081                   next DEPEND; # dependency already met
1082               }
1083           }
1084       }
1085       # search for non-excluded alternative
1086       my $found;
1087       foreach my $p1 (@l1) {
1088           if ($p1 =~ m/^\s*(\S+).*/) {
1089               next if grep { $1 eq $_ } @$excl;
1090               $found = $1;
1091               last;
1092           }
1093       }
1094       die "package '$pname' depends on exclusion '$p'\n" if !$found;
1095
1096       #printf (STDERR "$pname: $p --> $found\n");
1097
1098       __closure_single ($pkginfo, $closure, $pkghash, $pkglist, $found, $excl);
1099   }
1100 }
1101
1102 sub cache_packages {
1103     my ($self, $pkglist) = @_;
1104
1105     foreach my $pkg (@$pkglist) {
1106         $self->getpkgfile ($pkg);
1107     }
1108 }
1109
1110 sub getpkgfile {
1111     my ($self, $pkg) = @_;
1112
1113     my $pkginfo = $self->pkginfo();
1114     my $info = $pkginfo->{$pkg} || die "no such package '$pkg'";
1115     my $cachedir = $self->{cachedir};
1116
1117     my $url = $info->{url};
1118
1119     my $filename;
1120     if ($url =~ m|/([^/]+.deb)$|) {
1121         $filename = $1;
1122     } else {
1123         die "internal error";
1124     }
1125
1126     return $filename if -f "$cachedir/$filename";
1127
1128     mkpath $cachedir;
1129
1130     $self->download ($url, "$cachedir/$filename");
1131
1132     return $filename;
1133 }
1134
1135 sub install_init_script {
1136     my ($self, $script, $runlevel, $prio) = @_;
1137
1138     my $suite = $self->{config}->{suite};
1139     my $rootdir = $self->{rootfs};
1140
1141     my $base = basename ($script);
1142     my $target = "$rootdir/etc/init.d/$base";
1143
1144     $self->run_command ("install -m 0755 '$script' '$target'");
1145     if ($suite eq 'etch' || $suite eq 'lenny') {
1146         $self->ve_command ("update-rc.d $base start $prio $runlevel .");
1147     } elsif ($suite eq 'xenial' || $suite eq 'wily' || $suite eq 'vivid' ||
1148              $suite eq 'yakkety' || $suite eq 'zesty' || $suite eq 'artful') {
1149         die "unable to install init script (system uses systemd)\n";
1150     } elsif ($suite eq 'trusty' || $suite eq 'precise') {
1151         die "unable to install init script (system uses upstart)\n";
1152     } else {
1153         $self->ve_command ("insserv $base");
1154     }
1155
1156     return $target;
1157 }
1158
1159 sub bootstrap {
1160     my ($self, $opts) = @_;
1161
1162     my $pkginfo = $self->pkginfo();
1163     my $veid = $self->{veid};
1164     my $suite = $self->{config}->{suite};
1165
1166     my $important = [ @{$self->{incl}} ];
1167     my $required;
1168     my $standard;
1169
1170     my $mta = $opts->{exim} ? 'exim' : 'postfix';
1171
1172     if ($mta eq 'postfix') {
1173         push @$important, "postfix";
1174     }
1175
1176     foreach my $p (sort keys %$pkginfo) {
1177         next if grep { $p eq $_ } @{$self->{excl}};
1178         my $pri = $pkginfo->{$p}->{priority};
1179         next if !$pri;
1180         next if $mta ne 'exim' && $p =~ m/exim/;
1181         next if $p =~ m/(selinux|semanage|policycoreutils)/;
1182
1183         push @$required, $p  if $pri eq 'required';
1184         push @$important, $p if $pri eq 'important';
1185         push @$standard, $p if $pri eq 'standard' && !$opts->{minimal};
1186     }
1187
1188     my $closure = {};
1189     $required = $self->closure ($closure, $required);
1190     $important = $self->closure ($closure, $important);
1191
1192     if (!$opts->{minimal}) {
1193         push @$standard, 'xbase-clients';
1194         $standard = $self->closure ($closure, $standard);
1195     }
1196
1197     # test if we have all 'ubuntu-minimal' and 'ubuntu-standard' packages
1198     # except those explicitly excluded
1199     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1200         my $mdeps = $pkginfo->{'ubuntu-minimal'}->{depends};
1201         foreach my $d (split (/,/, $mdeps)) {
1202             if ($d =~ m/^\s*(\S+)$/) {
1203                 my $pkg = $1;
1204                 next if $closure->{$pkg};
1205                 next if grep { $pkg eq $_ } @{$self->{excl}};
1206                 die "missing ubuntu-minimal package '$pkg'\n";
1207             }
1208         }
1209         if (!$opts->{minimal}) {
1210             $mdeps = $pkginfo->{'ubuntu-standard'}->{depends};
1211             foreach my $d (split (/,/, $mdeps)) {
1212                 if ($d =~ m/^\s*(\S+)$/) {
1213                     my $pkg = $1;
1214                     next if $closure->{$pkg};
1215                     next if grep { $pkg eq $_ } @{$self->{excl}};
1216                     die "missing ubuntu-standard package '$pkg'\n";
1217                 }
1218             }
1219         }
1220     }
1221
1222     # download/cache all files first
1223     $self->cache_packages ($required);
1224     $self->cache_packages ($important);
1225     $self->cache_packages ($standard);
1226
1227     my $rootdir = $self->{rootfs};
1228
1229     # extract required packages first
1230     $self->logmsg ("create basic environment\n");
1231     foreach my $p (@$required) {
1232         my $filename = $self->getpkgfile ($p);
1233         my $content = $self->run_command("ar -t '$self->{cachedir}/$filename'", undef, 1);
1234         if ($content =~ m/^data.tar.xz$/m) {
1235             $self->run_command ("ar -p '$self->{cachedir}/$filename' data.tar.xz | tar -C '$rootdir' -xJf -");
1236         } else {
1237             $self->run_command ("ar -p '$self->{cachedir}/$filename' data.tar.gz | tar -C '$rootdir' -xzf -");
1238         }
1239     }
1240
1241     # fake dpkg status
1242     my $data = "Package: dpkg\n" .
1243         "Version: $pkginfo->{dpkg}->{version}\n" .
1244         "Status: install ok installed\n";
1245
1246     write_file ($data, "$rootdir/var/lib/dpkg/status");
1247     write_file ("", "$rootdir/var/lib/dpkg/info/dpkg.list");
1248     write_file ("", "$rootdir/var/lib/dpkg/available");
1249
1250     $data = '';
1251     foreach my $ss (@{$self->{sources}}) {
1252         my $url = $ss->{source};
1253         my $comp = join (' ', @{$ss->{comp}});
1254         $data .= "deb $url $ss->{suite} $comp\n\n";
1255     }
1256
1257     write_file ($data, "$rootdir/etc/apt/sources.list");
1258
1259     $data = "# UNCONFIGURED FSTAB FOR BASE SYSTEM\n";
1260     write_file ($data, "$rootdir/etc/fstab", 0644);
1261
1262     write_file ("localhost\n", "$rootdir/etc/hostname", 0644);
1263
1264     # avoid warnings about non-existent resolv.conf
1265     write_file ("", "$rootdir/etc/resolv.conf", 0644);
1266
1267     if ($suite eq 'artful' || $suite eq 'zesty' || $suite eq 'yakkety' ||
1268         $suite eq 'xenial' || $suite eq 'wily') {
1269         # no need to configure loopback device
1270     } else {
1271         $data = "auto lo\niface lo inet loopback\n";
1272         mkdir "$rootdir/etc/network";
1273         write_file ($data, "$rootdir/etc/network/interfaces", 0644);
1274     }
1275
1276     # setup devices
1277     $self->run_command ("tar xzf '$devicetar' -C '$rootdir'");
1278
1279     # avoid warnings about missing default locale
1280     write_file ("LANG=\"C\"\n", "$rootdir/etc/default/locale", 0644);
1281
1282     # fake init
1283     rename ("$rootdir/sbin/init", "$rootdir/sbin/init.org");
1284     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1285
1286     $self->run_command ("cp '$default_env' '$rootdir/sbin/defenv'");
1287
1288     $self->run_command ("lxc-start -n $veid -f $self->{veconffile}");
1289
1290     $self->logmsg ("initialize ld cache\n");
1291     $self->ve_command ("/sbin/ldconfig");
1292     $self->run_command ("ln -sf mawk '$rootdir/usr/bin/awk'");
1293
1294     $self->logmsg ("installing packages\n");
1295
1296     $self->ve_dpkg ('install', 'base-files', 'base-passwd');
1297
1298     $self->ve_dpkg ('install', 'dpkg');
1299
1300     $self->run_command ("ln -sf /usr/share/zoneinfo/UTC '$rootdir/etc/localtime'");
1301
1302     $self->run_command ("ln -sf bash '$rootdir/bin/sh'");
1303
1304     $self->ve_dpkg ('install', 'libc6');
1305     $self->ve_dpkg ('install', 'perl-base');
1306
1307     unlink "$rootdir/usr/bin/awk";
1308
1309     $self->ve_dpkg ('install', 'mawk');
1310     $self->ve_dpkg ('install', 'debconf');
1311
1312     # unpack required packages
1313     foreach my $p (@$required) {
1314         $self->ve_dpkg ('unpack', $p);
1315     }
1316
1317     rename ("$rootdir/sbin/init.org", "$rootdir/sbin/init");
1318     $self->ve_divert_add ("/sbin/init");
1319     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1320
1321     # disable service activation
1322     $self->ve_divert_add ("/usr/sbin/policy-rc.d");
1323     $data = "#!/bin/sh\nexit 101\n";
1324     write_file ($data, "$rootdir/usr/sbin/policy-rc.d", 755);
1325
1326     # disable start-stop-daemon
1327     $self->ve_divert_add ("/sbin/start-stop-daemon");
1328     $data = <<EOD;
1329 #!/bin/sh
1330 echo
1331 echo \"Warning: Fake start-stop-daemon called, doing nothing\"
1332 EOD
1333     write_file ($data, "$rootdir/sbin/start-stop-daemon", 0755);
1334
1335     # disable udevd
1336     $self->ve_divert_add ("/sbin/udevd");
1337
1338     if ($suite eq 'etch') {
1339         # disable apache2 startup
1340         write_file ("NO_START=1\n", "$rootdir/etc/default/apache2");
1341     }
1342
1343     $self->logmsg ("configure required packages\n");
1344     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1345
1346     # set postfix defaults
1347     if ($mta eq 'postfix') {
1348         $data = "postfix postfix/main_mailer_type select Local only\n";
1349         $self->ve_debconfig_set ($data);
1350
1351         $data = "postmaster: root\nwebmaster: root\n";
1352         write_file ($data, "$rootdir/etc/aliases");
1353     }
1354
1355     if ($suite eq 'jaunty') {
1356         # jaunty does not create /var/run/network, so network startup fails.
1357         # so we do not use tmpfs for /var/run and /var/lock
1358         $self->run_command ("sed -e 's/RAMRUN=yes/RAMRUN=no/' -e 's/RAMLOCK=yes/RAMLOCK=no/'  -i $rootdir/etc/default/rcS");
1359         # and create the directory here
1360         $self->run_command ("mkdir $rootdir/var/run/network");
1361     }
1362
1363     # unpack base packages
1364     foreach my $p (@$important) {
1365         $self->ve_dpkg ('unpack', $p);
1366     }
1367
1368     # start loopback
1369     if (-x "$rootdir/sbin/ifconfig") {
1370         $self->ve_command ("ifconfig lo up");
1371     } else {
1372         $self->ve_command ("ip link set lo up");
1373     }
1374
1375     $self->logmsg ("configure important packages\n");
1376     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1377
1378     if (-d "$rootdir/etc/event.d") {
1379         unlink <$rootdir/etc/event.d/tty*>;
1380     }
1381
1382     if (-f "$rootdir/etc/inittab") {
1383         $self->run_command ("sed -i -e '/getty\\s38400\\stty[23456]/d' '$rootdir/etc/inittab'");
1384     }
1385
1386     # Link /etc/mtab to /proc/mounts, so df and friends will work:
1387     unlink "$rootdir/etc/mtab";
1388     $self->ve_command ("ln -s /proc/mounts /etc/mtab");
1389
1390     # reset password
1391     $self->ve_command ("usermod -L root");
1392
1393     if ($mta eq 'postfix') {
1394         $data = "postfix postfix/main_mailer_type select No configuration\n";
1395         $self->ve_debconfig_set ($data);
1396
1397         unlink "$rootdir/etc/mailname";
1398         write_file ($postfix_main_cf, "$rootdir/etc/postfix/main.cf");
1399     }
1400
1401     if (!$opts->{minimal}) {
1402         # unpack standard packages
1403         foreach my $p (@$standard) {
1404             $self->ve_dpkg ('unpack', $p);
1405         }
1406
1407         $self->logmsg ("configure standard packages\n");
1408         $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1409     }
1410
1411     # disable HWCLOCK access
1412     $self->run_command ("echo 'HWCLOCKACCESS=no' >> '$rootdir/etc/default/rcS'");
1413
1414     # disable hald
1415     $self->ve_divert_add ("/usr/sbin/hald");
1416
1417     # disable /dev/urandom init
1418     $self->run_command ("install -m 0755 '$script_init_urandom' '$rootdir/etc/init.d/urandom'");
1419
1420     if ($suite eq 'etch' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1421         # avoid klogd start
1422         $self->ve_divert_add ("/sbin/klogd");
1423     }
1424
1425     # remove unnecessays sysctl entries to avoid warnings
1426     my $cmd = 'sed';
1427     $cmd .= ' -e \'s/^\(kernel\.printk.*\)/#\1/\'';
1428     $cmd .= ' -e \'s/^\(kernel\.maps_protect.*\)/#\1/\'';
1429     $cmd .= ' -e \'s/^\(fs\.inotify\.max_user_watches.*\)/#\1/\'';
1430     $cmd .= ' -e \'s/^\(vm\.mmap_min_addr.*\)/#\1/\'';
1431     $cmd .= " -i '$rootdir/etc/sysctl.conf'";
1432     $self->run_command ($cmd);
1433
1434     my $bindv6only = "$rootdir/etc/sysctl.d/bindv6only.conf";
1435     if (-f $bindv6only) {
1436         $cmd = 'sed';
1437         $cmd .= ' -e \'s/^\(net\.ipv6\.bindv6only.*\)/#\1/\'';
1438         $cmd .= " -i '$bindv6only'";
1439         $self->run_command ($cmd);
1440     }
1441
1442     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1443         # disable tty init (console-setup)
1444         my $cmd = 'sed';
1445         $cmd .= ' -e \'s/^\(ACTIVE_CONSOLES=.*\)/ACTIVE_CONSOLES=/\'';
1446         $cmd .= " -i '$rootdir/etc/default/console-setup'";
1447         $self->run_command ($cmd);
1448     }
1449
1450     if ($suite eq 'intrepid') {
1451         # remove sysctl setup (avoid warnings at startup)
1452         my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
1453         $filelist .= " $rootdir/etc/sysctl.d/10-process-security.conf";
1454         $filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
1455         $self->run_command ("rm $filelist");
1456     }
1457     if ($suite eq 'jaunty') {
1458         # remove sysctl setup (avoid warnings at startup)
1459         my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
1460         $filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
1461         $self->run_command ("rm $filelist");
1462     }
1463 }
1464
1465 sub enter {
1466     my ($self) = @_;
1467
1468     my $veid = $self->{veid};
1469     my $conffile = $self->{veconffile};
1470
1471     my $vestat = $self->ve_status();
1472
1473     if (!$vestat->{exist}) {
1474         $self->logmsg ("Please create the appliance first (bootstrap)");
1475         return;
1476     }
1477
1478     if (!$vestat->{running}) {
1479         $self->run_command ("lxc-start -n $veid -f $conffile");
1480     }
1481
1482     system ("lxc-attach -n $veid --rcfile $conffile --clear-env");
1483 }
1484
1485 sub ve_mysql_command {
1486     my ($self, $sql, $password) = @_;
1487
1488     #my $bootstrap = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1489     #"--skip-bdb  --skip-innodb --skip-ndbcluster";
1490
1491     $self->ve_command ("mysql", $sql);
1492 }
1493
1494 sub ve_mysql_bootstrap {
1495     my ($self, $sql, $password) = @_;
1496
1497     my $cmd;
1498
1499     my $suite = $self->{config}->{suite};
1500
1501     if ($suite eq 'jessie') {
1502         my $rootdir = $self->{rootfs};
1503         $self->run_command ("sed -e 's/^key_buffer\\s*=/key_buffer_size =/' -i $rootdir/etc/mysql/my.cnf");
1504     }
1505
1506     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie') {
1507         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables";
1508
1509     } else {
1510         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1511             "--skip-bdb  --skip-innodb --skip-ndbcluster";
1512     }
1513
1514     $self->ve_command ($cmd, $sql);
1515 }
1516
1517 sub compute_required {
1518     my ($self, $pkglist) = @_;
1519
1520     my $pkginfo = $self->pkginfo();
1521     my $instpkgs = $self->read_installed ();
1522
1523     my $closure = {};
1524     __record_provides ($pkginfo, $closure, [keys %$instpkgs]);
1525
1526     return $self->closure ($closure, $pkglist);
1527 }
1528
1529 sub task_postgres {
1530     my ($self, $opts) = @_;
1531
1532     my @supp = ('7.4', '8.1');
1533     my $pgversion = '8.1';
1534
1535     my $suite = $self->{config}->{suite};
1536
1537     if ($suite eq 'lenny' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1538         @supp = ('8.3');
1539         $pgversion = '8.3';
1540     } elsif ($suite eq 'squeeze') {
1541         @supp = ('8.4');
1542         $pgversion = '8.4';
1543     } elsif ($suite eq 'wheezy') {
1544         @supp = ('9.1');
1545         $pgversion = '9.1';
1546     } elsif ($suite eq 'jessie') {
1547         @supp = ('9.4');
1548         $pgversion = '9.4';
1549     } elsif ($suite eq 'stretch') {
1550         @supp = ('9.6');
1551         $pgversion = '9.6';
1552     }
1553
1554     $pgversion = $opts->{version} if $opts->{version};
1555
1556     die "unsupported postgres version '$pgversion'\n"
1557         if !grep { $pgversion eq $_; } @supp;
1558
1559     my $rootdir = $self->{rootfs};
1560
1561     my $required = $self->compute_required (["postgresql-$pgversion"]);
1562
1563     $self->cache_packages ($required);
1564
1565     $self->ve_dpkg ('install', @$required);
1566
1567     my $iscript = "postgresql-$pgversion";
1568     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie' ||
1569         $suite eq 'stretch') {
1570         $iscript = 'postgresql';
1571     }
1572
1573     $self->ve_command ("/etc/init.d/$iscript start") if $opts->{start};
1574 }
1575
1576 sub task_mysql {
1577     my ($self, $opts) = @_;
1578
1579     my $password = $opts->{password};
1580     my $rootdir = $self->{rootfs};
1581
1582     my $suite = $self->{config}->{suite};
1583
1584     my $ver = '5.0';
1585     if ($suite eq 'squeeze') {
1586       $ver = '5.1';
1587     } elsif ($suite eq 'wheezy' || $suite eq 'jessie') {
1588       $ver = '5.5';
1589     } else {
1590         die "task_mysql: unsupported suite '$suite'";
1591     }
1592
1593     my $required = $self->compute_required (['mysql-common', "mysql-server-$ver"]);
1594
1595     $self->cache_packages ($required);
1596
1597     $self->ve_dpkg ('install', @$required);
1598
1599     # fix security (see /usr/bin/mysql_secure_installation)
1600     my $sql = "DELETE FROM mysql.user WHERE User='';\n" .
1601         "DELETE FROM mysql.user WHERE User='root' AND Host!='localhost';\n" .
1602         "FLUSH PRIVILEGES;\n";
1603     $self->ve_mysql_bootstrap ($sql);
1604
1605     if ($password) {
1606
1607         my $rpw = $password eq 'random' ? 'admin' : $password;
1608
1609         my $sql = "USE mysql;\n" .
1610             "UPDATE user SET password=PASSWORD(\"$rpw\") WHERE user='root';\n" .
1611             "FLUSH PRIVILEGES;\n";
1612         $self->ve_mysql_bootstrap ($sql);
1613
1614         write_file ("[client]\nuser=root\npassword=\"$rpw\"\n", "$rootdir/root/.my.cnf", 0600);
1615         if ($password eq 'random') {
1616             $self->install_init_script ($script_mysql_randompw, 2, 20);
1617         }
1618     }
1619
1620     $self->ve_command ("/etc/init.d/mysql start") if $opts->{start};
1621 }
1622
1623 sub task_php {
1624     my ($self, $opts) = @_;
1625
1626     my $memlimit = $opts->{memlimit};
1627     my $rootdir = $self->{rootfs};
1628
1629     my $required = $self->compute_required ([qw (php5 php5-cli libapache2-mod-php5 php5-gd)]);
1630
1631     $self->cache_packages ($required);
1632
1633     $self->ve_dpkg ('install', @$required);
1634
1635     if ($memlimit) {
1636         $self->run_command ("sed -e 's/^\\s*memory_limit\\s*=.*;/memory_limit = ${memlimit}M;/' -i $rootdir/etc/php5/apache2/php.ini");
1637     }
1638 }
1639
1640 sub install {
1641     my ($self, $pkglist, $unpack) = @_;
1642
1643     my $required = $self->compute_required ($pkglist);
1644
1645     $self->cache_packages ($required);
1646
1647     $self->ve_dpkg ($unpack ? 'unpack' : 'install', @$required);
1648 }
1649
1650 sub cleanup {
1651     my ($self, $distclean) = @_;
1652
1653     unlink $self->{logfile};
1654     unlink "$self->{targetname}.tar";
1655     unlink "$self->{targetname}.tar.gz";
1656
1657     $self->ve_destroy ();
1658     unlink ".veid";
1659
1660     rmtree $self->{cachedir} if $distclean && !$self->{config}->{cachedir};
1661
1662     rmtree $self->{infodir};
1663
1664 }
1665
1666 1;