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 compatibility_level = 2
  46
  47 EOD
  48
  49 # produce apt compatible filenames (/var/lib/apt/lists)
  50 sub __url_to_filename {
  51     my $url = shift;
  52
  53     $url =~ s|^\S+://||;
  54     $url =~ s|_|%5f|g;
  55     $url =~ s|/|_|g;
  56
  57     return $url;
  58 }
  59
  60 sub download {
  61     my ($self, $url, $path) = @_;
  62
  63     $self->logmsg ("download: $url\n");
  64     my $tmpfn = "$path.tmp$$";
  65     eval {
  66         $self->run_command ("wget -q '$url'  -O '$tmpfn'");
  67     };
  68
  69     my $err = $@;
  70     if ($err) {
  71         unlink $tmpfn;
  72         die $err;
  73     }
  74
  75     rename ($tmpfn, $path);
  76 }
  77
  78 sub write_file {
  79     my ($data, $file, $perm) = @_;
  80
  81     die "no filename" if !$file;
  82
  83     unlink $file;
  84
  85     my $fh = IO::File->new ($file, O_WRONLY | O_CREAT, $perm) ||
  86         die "unable to open file '$file'";
  87
  88     print $fh $data;
  89
  90     $fh->close;
  91 }
  92
  93 sub read_file {
  94     my ($file) = @_;
  95
  96     die "no filename" if !$file;
  97
  98     my $fh = IO::File->new ($file) ||
  99         die "unable to open file '$file'";
 100
 101     local $/; # slurp mode
 102
 103     my $data = <$fh>;
 104
 105     $fh->close;
 106
 107     return $data;
 108 }
 109
 110 sub read_config {
 111     my ($filename) = @_;
 112
 113     my $res = {};
 114
 115     my $fh = IO::File->new ("<$filename") || return $res;
 116     my $rec = '';
 117
 118     while (defined (my $line = <$fh>)) {
 119         next if $line =~ m/^\#/;
 120         next if $line =~ m/^\s*$/;
 121         $rec .= $line;
 122     };
 123
 124     close ($fh);
 125
 126     chomp $rec;
 127     $rec .= "\n";
 128
 129     while ($rec) {
 130         if ($rec =~ s/^Description:\s*([^\n]*)(\n\s+.*)*$//si) {
 131             $res->{headline} = $1;
 132             chomp $res->{headline};
 133             my $long = $2;
 134             $long =~ s/^\s+/ /;
 135             $res->{description} = $long;
 136             chomp $res->{description};
 137         } elsif ($rec =~ s/^([^:]+):\s*(.*\S)\s*\n//) {
 138             my ($key, $value) = (lc ($1), $2);
 139             if ($key eq 'source' || $key eq 'mirror') {
 140                 push @{$res->{$key}}, $value;
 141             } else {
 142                 die "duplicate key '$key'\n" if defined ($res->{$key});
 143                 $res->{$key} = $value;
 144             }
 145         } else {
 146             die "unable to parse config file: $rec";
 147         }
 148     }
 149
 150     die "unable to parse config file" if $rec;
 151
 152     return $res;
 153 }
 154
 155 sub run_command {
 156     my ($self, $cmd, $input, $getoutput) = @_;
 157
 158     my $reader = IO::File->new();
 159     my $writer = IO::File->new();
 160     my $error  = IO::File->new();
 161
 162     my $orig_pid = $$;
 163
 164     my $cmdstr = ref ($cmd) eq 'ARRAY' ? join (' ', @$cmd) : $cmd;
 165
 166     my $pid;
 167     eval {
 168         if (ref ($cmd) eq 'ARRAY') {
 169             $pid = open3 ($writer, $reader, $error, @$cmd) || die $!;
 170         } else {
 171             $pid = open3 ($writer, $reader, $error, $cmdstr) || die $!;
 172         }
 173     };
 174
 175     my $err = $@;
 176
 177     # catch exec errors
 178     if ($orig_pid != $$) {
 179         $self->logmsg ("ERROR: command '$cmdstr' failed - fork failed\n");
 180         POSIX::_exit (1);
 181         kill ('KILL', $$);
 182     }
 183
 184     die $err if $err;
 185
 186     print $writer $input if defined $input;
 187     close $writer;
 188
 189     my $select = new IO::Select;
 190     $select->add ($reader);
 191     $select->add ($error);
 192
 193     my $res = '';
 194     my $logfd = $self->{logfd};
 195
 196     while ($select->count) {
 197         my @handles = $select->can_read ();
 198
 199         foreach my $h (@handles) {
 200             my $buf = '';
 201             my $count = sysread ($h, $buf, 4096);
 202             if (!defined ($count)) {
 203                 waitpid ($pid, 0);
 204                 die "command '$cmdstr' failed: $!";
 205             }
 206             $select->remove ($h) if !$count;
 207
 208             print $logfd $buf;
 209
 210             $res .= $buf if $getoutput;
 211         }
 212     }
 213
 214     waitpid ($pid, 0);
 215     my $ec = ($? >> 8);
 216
 217     die "command '$cmdstr' failed with exit code $ec\n" if $ec;
 218
 219     return $res;
 220 }
 221
 222 sub logmsg {
 223     my $self = shift;
 224     print STDERR @_;
 225     $self->writelog (@_);
 226 }
 227
 228 sub writelog {
 229     my $self = shift;
 230     my $fd = $self->{logfd};
 231     print $fd @_;
 232 }
 233
 234 sub __sample_config {
 235     my ($self) = @_;
 236
 237     my $data = '';
 238     my $arch = $self->{config}->{architecture};
 239
 240     my $ostype = $self->{config}->{ostype};
 241
 242     if ($ostype =~ m/^de(bi|vu)an-/) {
 243         $data .= "lxc.include = /usr/share/lxc/config/debian.common.conf\n";
 244     } elsif ($ostype =~ m/^ubuntu-/) {
 245         $data .= "lxc.include = /usr/share/lxc/config/ubuntu.common.conf\n";
 246     } else {
 247         die "unknown os type '$ostype'\n";
 248     }
 249     $data .= "lxc.uts.name = localhost\n";
 250     $data .= "lxc.rootfs.path = $self->{rootfs}\n";
 251
 252     return $data;
 253 }
 254
 255 sub __allocate_ve {
 256     my ($self) = @_;
 257
 258     my $cid;
 259     if (my $fd = IO::File->new (".veid")) {
 260         $cid = <$fd>;
 261         chomp $cid;
 262         close ($fd);
 263     }
 264
 265
 266     $self->{working_dir} = getcwd;
 267     $self->{veconffile} = "$self->{working_dir}/config";
 268     $self->{rootfs} = "$self->{working_dir}/rootfs";
 269
 270     if ($cid) {
 271         $self->{veid} = $cid;
 272         return $cid;
 273     }
 274
 275     my $uuid;
 276     my $uuid_str;
 277     UUID::generate($uuid);
 278     UUID::unparse($uuid, $uuid_str);
 279     $self->{veid} = $uuid_str;
 280
 281     my $fd = IO::File->new (">.veid") ||
 282         die "unable to write '.veid'\n";
 283     print $fd "$self->{veid}\n";
 284     close ($fd);
 285
 286     my $cdata = $self->__sample_config();
 287
 288     my $fh = IO::File->new ($self->{veconffile}, O_WRONLY|O_CREAT|O_EXCL) ||
 289         die "unable to write lxc config file '$self->{veconffile}' - $!";
 290     print $fh $cdata;
 291     close ($fh);
 292
 293     mkdir $self->{rootfs} || die "unable to create rootfs - $!";
 294
 295     $self->logmsg ("allocated VE $self->{veid}\n");
 296
 297     return $self->{veid};
 298 }
 299
 300 sub new {
 301     my ($class, $config) = @_;
 302
 303     $class = ref ($class) || $class;
 304
 305     my $self = {};
 306
 307     $config = read_config ('dab.conf') if !$config;
 308
 309     $self->{config} = $config;
 310
 311     bless $self, $class;
 312
 313     $self->{logfile} = "logfile";
 314     $self->{logfd} = IO::File->new (">>$self->{logfile}") ||
 315         die "unable to open log file";
 316
 317     my $arch = $config->{architecture};
 318     die "no 'architecture' specified\n" if !$arch;
 319
 320     die "unsupported architecture '$arch'\n"
 321         if $arch !~ m/^(i386|amd64)$/;
 322
 323     my $suite = $config->{suite} || die "no 'suite' specified\n";
 324     if ($suite eq 'buster') {
 325         $config->{ostype} = "debian-10.0";
 326     } elsif ($suite eq 'stretch') {
 327         $config->{ostype} = "debian-9.0";
 328     } elsif ($suite eq 'jessie') {
 329          $config->{ostype} = "debian-8.0";
 330     } elsif ($suite eq 'wheezy') {
 331          $config->{ostype} = "debian-7.0";
 332     } elsif ($suite eq 'squeeze') {
 333         $config->{ostype} = "debian-6.0";
 334     } elsif ($suite eq 'lenny') {
 335         $config->{ostype} = "debian-5.0";
 336     } elsif ($suite eq 'etch') {
 337         $config->{ostype} = "debian-4.0";
 338     } elsif ($suite eq 'devuan-jessie') {
 339         $suite = 'jessie';
 340         $config->{ostype} = "devuan-1.0";
 341     } elsif ($suite eq 'devuan-ascii' || $suite eq 'ascii') {
 342         $suite = 'ascii';
 343         $config->{ostype} = "devuan-2.0";
 344     } elsif ($suite eq 'hardy') {
 345         $config->{ostype} = "ubuntu-8.04";
 346     } elsif ($suite eq 'intrepid') {
 347         $config->{ostype} = "ubuntu-8.10";
 348     } elsif ($suite eq 'jaunty') {
 349         $config->{ostype} = "ubuntu-9.04";
 350     } elsif ($suite eq 'precise') {
 351         $config->{ostype} = "ubuntu-12.04";
 352     } elsif ($suite eq 'trusty') {
 353         $config->{ostype} = "ubuntu-14.04";
 354     } elsif ($suite eq 'vivid') {
 355         $config->{ostype} = "ubuntu-15.04";
 356     } elsif ($suite eq 'wily') {
 357         $config->{ostype} = "ubuntu-15.10";
 358     } elsif ($suite eq 'xenial') {
 359         $config->{ostype} = "ubuntu-16.04";
 360     } elsif ($suite eq 'yakkety') {
 361         $config->{ostype} = "ubuntu-16.10";
 362     } elsif ($suite eq 'zesty') {
 363         $config->{ostype} = "ubuntu-17.04";
 364     } elsif ($suite eq 'artful') {
 365         $config->{ostype} = "ubuntu-17.10";
 366     } elsif ($suite eq 'bionic') {
 367         $config->{ostype} = "ubuntu-18.04";
 368     } elsif ($suite eq 'cosmic') {
 369         $config->{ostype} = "ubuntu-18.10";
 370     } elsif ($suite eq 'disco') {
 371         $config->{ostype} = "ubuntu-19.04";
 372     } elsif ($suite eq 'eoan') {
 373         $config->{ostype} = "ubuntu-19.10";
 374     } else {
 375         die "unsupported debian suite '$suite'\n";
 376     }
 377
 378     my $name = $config->{name} || die "no 'name' specified\n";
 379
 380     $name =~ m/^[a-z][0-9a-z\-\*\.]+$/ ||
 381         die "illegal characters in name '$name'\n";
 382
 383     my $version = $config->{version};
 384     die "no 'version' specified\n" if !$version;
 385     die "no 'section' specified\n" if !$config->{section};
 386     die "no 'description' specified\n" if !$config->{headline};
 387     die "no 'maintainer' specified\n" if !$config->{maintainer};
 388
 389     if ($name =~ m/^$config->{ostype}/) {
 390         $self->{targetname} = "${name}_${version}_$config->{architecture}";
 391     } else {
 392         $self->{targetname} = "$config->{ostype}-${name}_" .
 393             "${version}_$config->{architecture}";
 394     }
 395
 396     if (!$config->{source}) {
 397         if ($suite eq 'etch' || $suite eq 'lenny') {
 398             push @{$config->{source}}, "http://ftp.debian.org/debian SUITE main contrib";
 399             push @{$config->{source}}, "http://security.debian.org SUITE/updates main contrib";
 400         } elsif ($suite eq 'squeeze' || $suite eq 'stretch' ||
 401                  $suite eq 'jessie' || $suite eq 'buster' ) {
 402             push @{$config->{source}}, "http://ftp.debian.org/debian SUITE main contrib";
 403             push @{$config->{source}}, "http://ftp.debian.org/debian SUITE-updates main contrib";
 404             push @{$config->{source}}, "http://security.debian.org SUITE/updates main contrib";
 405         } elsif ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty' ||
 406                  $suite eq 'xenial' || $suite eq 'wily' || $suite eq 'vivid' ||
 407                  $suite eq 'trusty' || $suite eq 'precise' || $suite eq 'yakkety' ||
 408                  $suite eq 'zesty' || $suite eq 'artful' || $suite eq 'bionic' ||
 409                  $suite eq 'cosmic' || $suite eq 'disco' || $suite eq 'eoan' ) {
 410             my $comp = "main restricted universe multiverse";
 411             push @{$config->{source}}, "http://archive.ubuntu.com/ubuntu SUITE $comp";
 412             push @{$config->{source}}, "http://archive.ubuntu.com/ubuntu SUITE-updates $comp";
 413             push @{$config->{source}}, "http://archive.ubuntu.com/ubuntu SUITE-security $comp";
 414         } else {
 415             die "implement me";
 416         }
 417     }
 418
 419     my $sources = undef;
 420
 421     foreach my $s (@{$config->{source}}) {
 422         if ($s =~ m@^\s*((http|ftp)://\S+)\s+(\S+)((\s+(\S+))+)$@) {
 423             my ($url, $su, $components) = ($1, $3, $4);
 424             $su =~ s/SUITE/$suite/;
 425             $components =~ s/^\s+//;
 426             $components =~ s/\s+$//;
 427             my $ca;
 428             foreach my $co (split (/\s+/, $components)) {
 429                 push @$ca, $co;
 430             }
 431             $ca = ['main'] if !$ca;
 432
 433             push @$sources, {
 434                 source => $url,
 435                 comp => $ca,
 436                 suite => $su,
 437             };
 438         } else {
 439             die "syntax error in source spezification '$s'\n";
 440         }
 441     }
 442
 443     foreach my $m (@{$config->{mirror}}) {
 444         if ($m =~ m@^\s*((http|ftp)://\S+)\s*=>\s*((http|ftp)://\S+)\s*$@) {
 445             my ($ms, $md) = ($1, $3);
 446             my $found;
 447             foreach my $ss (@$sources) {
 448                 if ($ss->{source} eq $ms) {
 449                     $found = 1;
 450                     $ss->{mirror} = $md;
 451                     last;
 452                 }
 453             }
 454             die "unusable mirror $ms\n" if !$found;
 455         } else {
 456             die "syntax error in mirror spezification '$m'\n";
 457         }
 458     }
 459
 460     $self->{sources} = $sources;
 461
 462     $self->{infodir} = "info";
 463
 464     $self->__allocate_ve ();
 465
 466     $self->{cachedir} = ($config->{cachedir} || 'cache')  . "/$suite";;
 467
 468     my $incl = [qw (less ssh openssh-server logrotate)];
 469
 470     my $excl = [qw (modutils reiserfsprogs ppp pppconfig pppoe
 471                     pppoeconf nfs-common mtools ntp)];
 472
 473     # ubuntu has too many dependencies on udev, so
 474     # we cannot exclude it (instead we disable udevd)
 475
 476     if ($suite eq 'vivid' || $suite eq 'wily' || $suite eq 'xenial' ||
 477         $suite eq 'yakkety' || $suite eq 'zesty' || $suite eq 'artful' ||
 478         $suite eq 'bionic' || $suite eq 'cosmic' || $suite eq 'disco' ||
 479         $suite eq 'eoan') {
 480         push @$incl, 'isc-dhcp-client';
 481         push @$excl, qw(libmodule-build-perl);
 482     } elsif ($suite eq 'trusty') {
 483         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+);
 484    } elsif ($suite eq 'precise') {
 485         push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+ ubuntu-standard);
 486     } elsif ($suite eq 'hardy') {
 487         push @$excl, qw(kbd);
 488         push @$excl, qw(apparmor apparmor-utils ntfs-3g
 489                         friendly-recovery);
 490     } elsif ($suite eq 'intrepid' || $suite eq 'jaunty') {
 491         push @$excl, qw(apparmor apparmor-utils libapparmor1 libapparmor-perl
 492                         libntfs-3g28 ntfs-3g friendly-recovery);
 493     } elsif ($suite eq 'jessie') {
 494         push @$incl, 'sysvinit-core'; # avoid systemd and udev
 495         push @$incl, 'libperl4-corelibs-perl'; # to make lsof happy
 496         push @$excl, qw(systemd systemd-sysv udev module-init-tools pciutils hdparm
 497                         memtest86+ parted);
 498     } elsif ($suite eq 'stretch' || $suite eq 'buster') {
 499         push @$excl, qw(module-init-tools pciutils hdparm
 500                         memtest86+ parted);
 501      } else {
 502         push @$excl, qw(udev module-init-tools pciutils hdparm
 503                         memtest86+ parted);
 504     }
 505
 506     $self->{incl} = $incl;
 507     $self->{excl} = $excl;
 508
 509     return $self;
 510 }
 511
 512 sub initialize {
 513     my ($self) = @_;
 514
 515     my $infodir = $self->{infodir};
 516     my $arch = $self->{config}->{architecture};
 517
 518     rmtree $infodir;
 519     mkpath $infodir;
 520
 521     # truncate log
 522     my $logfd = $self->{logfd} = IO::File->new (">$self->{logfile}") ||
 523         die "unable to open log file";
 524
 525     foreach my $ss (@{$self->{sources}}) {
 526         my $src = $ss->{mirror} || $ss->{source};
 527         my $path = "dists/$ss->{suite}/Release";
 528         my $url = "$src/$path";
 529         my $target = __url_to_filename ("$ss->{source}/$path");
 530         eval {
 531             $self->download ($url, "$infodir/$target");
 532             $self->download ("$url.gpg", "$infodir/$target.gpg");
 533             # fixme: impl. verify (needs --keyring option)
 534         };
 535         if (my $err = $@) {
 536             print $logfd $@;
 537             warn "Release info ignored\n";
 538         };
 539         foreach my $comp (@{$ss->{comp}}) {
 540             $path = "dists/$ss->{suite}/$comp/binary-$arch/Packages.gz";
 541             $target = "$infodir/" . __url_to_filename ("$ss->{source}/$path");
 542             my $pkgsrc = "$src/$path";
 543             $self->download ($pkgsrc, $target);
 544             $self->run_command ("gzip -d '$target'");
 545         }
 546     }
 547 }
 548
 549 sub write_config {
 550     my ($self, $filename, $size) = @_;
 551
 552     my $config = $self->{config};
 553
 554     my $data = '';
 555
 556     $data .= "Name: $config->{name}\n";
 557     $data .= "Version: $config->{version}\n";
 558     $data .= "Type: lxc\n";
 559     $data .= "OS: $config->{ostype}\n";
 560     $data .= "Section: $config->{section}\n";
 561     $data .= "Maintainer: $config->{maintainer}\n";
 562     $data .= "Architecture: $config->{architecture}\n";
 563     $data .= "Installed-Size: $size\n";
 564
 565     # optional
 566     $data .= "Infopage: $config->{infopage}\n" if $config->{infopage};
 567     $data .= "ManageUrl: $config->{manageurl}\n" if $config->{manageurl};
 568     $data .= "Certified: $config->{certified}\n" if $config->{certified};
 569
 570     # description
 571     $data .= "Description: $config->{headline}\n";
 572     $data .= "$config->{description}\n" if $config->{description};
 573
 574     write_file ($data, $filename, 0644);
 575 }
 576
 577 sub finalize {
 578     my ($self, $opts) = @_;
 579
 580     my $suite = $self->{config}->{suite};
 581     my $infodir = $self->{infodir};
 582     my $arch = $self->{config}->{architecture};
 583
 584     my $instpkgs = $self->read_installed ();
 585     my $pkginfo = $self->pkginfo();
 586     my $veid = $self->{veid};
 587     my $conffile = $self->{veconffile};
 588     my $rootdir = $self->{rootfs};
 589
 590     my $vestat = $self->ve_status();
 591     die "ve not running - unable to finalize\n" if !$vestat->{running};
 592
 593     # cleanup mysqld
 594     if (-f "$rootdir/etc/init.d/mysql") {
 595         $self->ve_command ("/etc/init.d/mysql stop");
 596     }
 597
 598     if (!($opts->{keepmycnf} || (-f "$rootdir/etc/init.d/mysql_randompw"))) {
 599         unlink "$rootdir/root/.my.cnf";
 600     }
 601
 602     if ($suite eq 'etch') {
 603         # enable apache2 startup
 604         if ($instpkgs->{apache2}) {
 605             write_file ("NO_START=0\n", "$rootdir/etc/default/apache2");
 606         } else {
 607             unlink "$rootdir/etc/default/apache2";
 608         }
 609     }
 610     $self->logmsg ("cleanup package status\n");
 611     # prevent auto selection of all standard, required or important
 612     # packages which are not installed
 613     foreach my $pkg (keys %$pkginfo) {
 614         my $pri = $pkginfo->{$pkg}->{priority};
 615         if ($pri && ($pri eq 'required' || $pri eq 'important'
 616                      || $pri eq 'standard')) {
 617             if (!$instpkgs->{$pkg}) {
 618                 $self->ve_dpkg_set_selection ($pkg, 'purge');
 619             }
 620         }
 621     }
 622
 623     $self->ve_command ("apt-get clean");
 624
 625     $self->logmsg ("update available package list\n");
 626
 627     $self->ve_command ("dpkg --clear-avail");
 628     foreach my $ss (@{$self->{sources}}) {
 629         my $relsrc = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/Release");
 630         if (-f "$infodir/$relsrc" && -f "$infodir/$relsrc.gpg") {
 631             $self->run_command ("cp '$infodir/$relsrc' '$rootdir/var/lib/apt/lists/$relsrc'");
 632             $self->run_command ("cp '$infodir/$relsrc.gpg' '$rootdir/var/lib/apt/lists/$relsrc.gpg'");
 633         }
 634         foreach my $comp (@{$ss->{comp}}) {
 635             my $src = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/" .
 636                                          "$comp/binary-$arch/Packages");
 637             my $target = "/var/lib/apt/lists/$src";
 638             $self->run_command ("cp '$infodir/$src' '$rootdir/$target'");
 639             $self->ve_command ("dpkg --merge-avail '$target'");
 640         }
 641     }
 642
 643     # set dselect default method
 644     write_file ("apt apt\n", "$rootdir/var/lib/dpkg/cmethopt");
 645
 646     $self->ve_divert_remove ("/usr/sbin/policy-rc.d");
 647
 648     $self->ve_divert_remove ("/sbin/start-stop-daemon");
 649
 650     $self->ve_divert_remove ("/sbin/init");
 651
 652     # finally stop the VE
 653     $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 654
 655     unlink "$rootdir/sbin/defenv";
 656
 657     unlink <$rootdir/root/dead.letter*>;
 658
 659     unlink "$rootdir/var/log/init.log";
 660
 661     unlink "$rootdir/aquota.group";
 662
 663     unlink "$rootdir/aquota.user";
 664
 665     write_file ("", "$rootdir/var/log/syslog");
 666
 667     $self->logmsg ("detecting final size: ");
 668
 669     my $sizestr = $self->run_command ("du -sm $rootdir", undef, 1);
 670     my $size;
 671     if ($sizestr =~ m/^(\d+)\s+\Q$rootdir\E$/) {
 672         $size = $1;
 673     } else {
 674         die "unable to detect size\n";
 675     }
 676     $self->logmsg ("$size MB\n");
 677
 678     $self->write_config ("$rootdir/etc/appliance.info", $size);
 679
 680     $self->logmsg ("creating final appliance archive\n");
 681
 682     my $target = "$self->{targetname}.tar";
 683     unlink $target;
 684     unlink "$target.gz";
 685
 686     $self->run_command ("tar cpf $target --numeric-owner -C '$rootdir' ./etc/appliance.info");
 687     $self->run_command ("tar rpf $target --numeric-owner -C '$rootdir' --exclude ./etc/appliance.info .");
 688     $self->run_command ("gzip $target");
 689 }
 690
 691 sub read_installed {
 692     my ($self) = @_;
 693
 694     my $rootdir = $self->{rootfs};
 695
 696     my $pkgfilelist = "$rootdir/var/lib/dpkg/status";
 697     local $/ = '';
 698     open (PKGLST, "<$pkgfilelist") ||
 699         die "unable to open '$pkgfilelist'";
 700
 701     my $pkglist = {};
 702
 703     while (my $rec = <PKGLST>) {
 704         chomp $rec;
 705         $rec =~ s/\n\s+/ /g;
 706         $rec .= "\n";
 707         my $res = {};
 708
 709         while ($rec =~ s/^([^:]+):\s+(.*)\s*\n//) {
 710             $res->{lc $1} = $2;
 711         }
 712
 713         my $pkg = $res->{'package'};
 714         if (my $status = $res->{status}) {
 715             my @sa = split (/\s+/, $status);
 716             my $stat = $sa[0];
 717             if ($stat && ($stat ne 'purge')) {
 718                 $pkglist->{$pkg} = $res;
 719             }
 720         }
 721     }
 722
 723     close (PKGLST);
 724
 725     return $pkglist;
 726 }
 727
 728 sub ve_status {
 729     my ($self) = @_;
 730
 731     my $veid = $self->{veid};
 732
 733     my $res = { running => 0 };
 734
 735     $res->{exist} = 1 if -d "$self->{rootfs}/usr";
 736
 737     my $filename = "/proc/net/unix";
 738
 739     # similar test is used by lcxcontainers.c: list_active_containers
 740     my $fh = IO::File->new ($filename, "r");
 741     return $res if !$fh;
 742
 743     while (defined(my $line = <$fh>)) {
 744         if ($line =~ m/^[a-f0-9]+:\s\S+\s\S+\s\S+\s\S+\s\S+\s\d+\s(\S+)$/) {
 745             my $path = $1;
 746             if ($path =~ m!^@/\S+/$veid/command$!) {
 747                 $res->{running} = 1;
 748             }
 749         }
 750     }
 751     close($fh);
 752
 753     return $res;
 754 }
 755
 756 sub ve_command {
 757     my ($self, $cmd, $input) = @_;
 758
 759     my $veid = $self->{veid};
 760     my $conffile = $self->{veconffile};
 761
 762     if (ref ($cmd) eq 'ARRAY') {
 763         unshift @$cmd, 'lxc-attach', '-n', $veid, '--rcfile', $conffile, '--clear-env', '--', 'defenv';
 764         $self->run_command ($cmd, $input);
 765     } else {
 766         $self->run_command ("lxc-attach -n $veid --rcfile $conffile --clear-env -- defenv $cmd", $input);
 767     }
 768 }
 769
 770 # like ve_command, but pipes stdin correctly
 771 sub ve_exec {
 772     my ($self, @cmd) = @_;
 773
 774     my $veid = $self->{veid};
 775     my $conffile = $self->{veconffile};
 776
 777     my $reader;
 778     my $pid = open2($reader, "<&STDIN", 'lxc-attach', '-n', $veid,  '--rcfile', $conffile, '--',
 779                     'defenv', @cmd) || die "unable to exec command";
 780
 781     while (defined (my $line = <$reader>)) {
 782         $self->logmsg ($line);
 783     }
 784
 785     waitpid ($pid, 0);
 786     my $rc = $? >> 8;
 787
 788     die "ve_exec failed - status $rc\n" if $rc != 0;
 789 }
 790
 791 sub ve_divert_add {
 792     my ($self, $filename) = @_;
 793
 794     $self->ve_command ("dpkg-divert --add --divert '$filename.distrib' " .
 795                        "--rename '$filename'");
 796 }
 797 sub ve_divert_remove {
 798     my ($self, $filename) = @_;
 799
 800     my $rootdir = $self->{rootfs};
 801
 802     unlink "$rootdir/$filename";
 803     $self->ve_command ("dpkg-divert --remove --rename '$filename'");
 804 }
 805
 806 sub ve_debconfig_set {
 807     my ($self, $dcdata) = @_;
 808
 809     my $rootdir = $self->{rootfs};
 810     my $cfgfile = "/tmp/debconf.txt";
 811     write_file ($dcdata, "$rootdir/$cfgfile");
 812     $self->ve_command ("debconf-set-selections $cfgfile");
 813     unlink "$rootdir/$cfgfile";
 814 }
 815
 816 sub ve_dpkg_set_selection {
 817     my ($self, $pkg, $status) = @_;
 818
 819     $self->ve_command ("dpkg --set-selections", "$pkg $status");
 820 }
 821
 822 sub ve_dpkg {
 823     my ($self, $cmd, @pkglist) = @_;
 824
 825     return if !scalar (@pkglist);
 826
 827     my $pkginfo = $self->pkginfo();
 828
 829     my $rootdir = $self->{rootfs};
 830     my $cachedir = $self->{cachedir};
 831
 832     my @files;
 833
 834     foreach my $pkg (@pkglist) {
 835         my $filename = $self->getpkgfile ($pkg);
 836         $self->run_command ("cp '$cachedir/$filename' '$rootdir/$filename'");
 837         push @files, "/$filename";
 838         $self->logmsg ("$cmd: $pkg\n");
 839     }
 840
 841     my $fl = join (' ', @files);
 842
 843     if ($cmd eq 'install') {
 844         $self->ve_command ("dpkg --force-depends --force-confold --install $fl");
 845     } elsif ($cmd eq 'unpack') {
 846         $self->ve_command ("dpkg --force-depends --unpack $fl");
 847     } else {
 848         die "internal error";
 849     }
 850
 851     foreach my $fn (@files) { unlink "$rootdir$fn"; }
 852 }
 853
 854 sub ve_destroy {
 855     my ($self) = @_;
 856
 857     my $veid = $self->{veid}; # fixme
 858     my $conffile = $self->{veconffile};
 859
 860     my $vestat = $self->ve_status();
 861     if ($vestat->{running}) {
 862         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 863     }
 864
 865     rmtree $self->{rootfs};
 866     unlink $self->{veconffile};
 867 }
 868
 869 sub ve_init {
 870     my ($self) = @_;
 871
 872     my $veid = $self->{veid};
 873     my $conffile = $self->{veconffile};
 874
 875     $self->logmsg ("initialize VE $veid\n");
 876
 877     my $vestat = $self->ve_status();
 878     if ($vestat->{running}) {
 879         $self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
 880     }
 881
 882     rmtree $self->{rootfs};
 883     mkpath $self->{rootfs};
 884 }
 885
 886 sub __deb_version_cmp {
 887     my ($cur, $op, $new) = @_;
 888
 889     if (system("dpkg", "--compare-versions", $cur, $op, $new) == 0) {
 890         return 1;
 891     }
 892
 893     return 0;
 894 }
 895
 896 sub __parse_packages {
 897     my ($pkginfo, $filename, $src) = @_;
 898
 899     local $/ = '';
 900     open (PKGLST, "<$filename") ||
 901         die "unable to open '$filename'";
 902
 903     while (my $rec = <PKGLST>) {
 904         $rec =~ s/\n\s+/ /g;
 905         chomp $rec;
 906         $rec .= "\n";
 907
 908         my $res = {};
 909
 910         while ($rec =~ s/^([^:]+):\s+(.*)\s*\n//) {
 911             $res->{lc $1} = $2;
 912         }
 913
 914         my $pkg = $res->{'package'};
 915         if ($pkg && $res->{'filename'}) {
 916             my $cur;
 917             if (my $info = $pkginfo->{$pkg}) {
 918                 $cur = $info->{version};
 919             }
 920             my $new = $res->{version};
 921             if (!$cur || __deb_version_cmp ($cur, 'lt', $new)) {
 922                 if ($src) {
 923                     $res->{url} = "$src/$res->{'filename'}";
 924                 } else {
 925                     die "no url for package '$pkg'" if !$res->{url};
 926                 }
 927                 $pkginfo->{$pkg} = $res;
 928             }
 929         }
 930     }
 931
 932     close (PKGLST);
 933 }
 934
 935 sub pkginfo {
 936     my ($self) = @_;
 937
 938     return $self->{pkginfo} if $self->{pkginfo};
 939
 940     my $infodir = $self->{infodir};
 941     my $arch = $self->{config}->{architecture};
 942
 943     my $availfn = "$infodir/available";
 944
 945     my $pkginfo = {};
 946     my $pkgcount = 0;
 947
 948     # reading 'available' is faster, because it only contains latest version
 949     # (no need to do slow version compares)
 950     if (-f $availfn) {
 951             __parse_packages ($pkginfo, $availfn);
 952             $self->{pkginfo} = $pkginfo;
 953             return $pkginfo;
 954     }
 955
 956     $self->logmsg ("generating available package list\n");
 957
 958     foreach my $ss (@{$self->{sources}}) {
 959         foreach my $comp (@{$ss->{comp}}) {
 960             my $url = "$ss->{source}/dists/$ss->{suite}/$comp/binary-$arch/Packages";
 961             my $pkgfilelist = "$infodir/" . __url_to_filename ($url);
 962
 963             my $src = $ss->{mirror} || $ss->{source};
 964
 965             __parse_packages ($pkginfo, $pkgfilelist, $src);
 966         }
 967     }
 968
 969     if (my $dep = $self->{config}->{depends}) {
 970         foreach my $d (split (/,/, $dep)) {
 971             if ($d =~ m/^\s*(\S+)\s*(\((\S+)\s+(\S+)\)\s*)?$/) {
 972                 my ($pkg, $op, $rver) = ($1, $3, $4);
 973                 $self->logmsg ("checking dependencies: $d\n");
 974                 my $info = $pkginfo->{$pkg};
 975                 die "package '$pkg' not available\n" if !$info;
 976                 if ($op) {
 977                     my $cver = $info->{version};
 978                     if (!__deb_version_cmp ($cver, $op, $rver)) {
 979                         die "detected wrong version '$cver'\n";
 980                     }
 981                 }
 982             } else {
 983                 die "syntax error in depends field";
 984             }
 985         }
 986     }
 987
 988     $self->{pkginfo} = $pkginfo;
 989
 990     my $tmpfn = "$availfn.tmp$$";
 991     my $fd = IO::File->new (">$tmpfn");
 992     foreach my $pkg (sort keys %$pkginfo) {
 993         my $info = $pkginfo->{$pkg};
 994         print $fd "package: $pkg\n";
 995         foreach my $k (sort keys %$info) {
 996             next if $k eq 'description';
 997             next if $k eq 'package';
 998             my $v = $info->{$k};
 999             print $fd "$k: $v\n" if $v;
1000         }
1001         print $fd "description: $info->{description}\n" if $info->{description};
1002         print $fd "\n";
1003     }
1004     close ($fd);
1005
1006     rename ($tmpfn, $availfn);
1007
1008     return $pkginfo;
1009 }
1010
1011 sub __record_provides {
1012     my ($pkginfo, $closure, $list, $skipself) = @_;
1013
1014     foreach my $pname (@$list) {
1015         my $info = $pkginfo->{$pname};
1016         # fixme: if someone install packages directly using dpkg, there
1017         # is no entry in 'available', only in 'status'. In that case, we
1018         # should extract info from $instpkgs
1019         if (!$info) {
1020             warn "hint: ignoring provides for '$pname' - package not in 'available' list.\n";
1021             next;
1022         }
1023         if (my $prov = $info->{provides}) {
1024             my @pl = split (',', $prov);
1025             foreach my $p (@pl) {
1026                 $p =~ m/\s*(\S+)/;
1027                 if (!($skipself && (grep { $1 eq $_ } @$list))) {
1028                     $closure->{$1} = 1;
1029                 }
1030             }
1031         }
1032         $closure->{$pname} = 1 if !$skipself;
1033     }
1034 }
1035
1036 sub closure {
1037     my ($self, $closure, $list) = @_;
1038
1039     my $pkginfo = $self->pkginfo();
1040
1041     # first, record provided packages
1042     __record_provides ($pkginfo, $closure, $list, 1);
1043
1044     my $pkghash = {};
1045     my $pkglist = [];
1046
1047     # then resolve dependencies
1048     foreach my $pname (@$list) {
1049         __closure_single ($pkginfo, $closure, $pkghash, $pkglist, $pname, $self->{excl});
1050     }
1051
1052     return $pkglist;
1053 }
1054
1055 sub __closure_single {
1056     my ($pkginfo, $closure, $pkghash, $pkglist, $pname, $excl) = @_;
1057
1058     $pname =~ s/^\s+//;
1059     $pname =~ s/\s+$//;
1060     $pname =~ s/:any$//;
1061
1062     return if $closure->{$pname};
1063
1064     my $info = $pkginfo->{$pname} || die "no such package '$pname'";
1065
1066     my $dep = $info->{depends};
1067     my $predep = $info->{'pre-depends'};
1068
1069     my $size = $info->{size};
1070     my $url = $info->{url};
1071
1072     $url || die "$pname: no url for package '$pname'";
1073
1074     if (!$pkghash->{$pname}) {
1075         unshift @$pkglist, $pname;
1076         $pkghash->{$pname} = 1;
1077     }
1078
1079     __record_provides ($pkginfo, $closure, [$pname]) if $info->{provides};
1080
1081     $closure->{$pname} = 1;
1082
1083     #print "$url\n";
1084
1085     my @l;
1086
1087     push  @l, split (/,/, $predep) if $predep;
1088     push  @l, split (/,/, $dep) if $dep;
1089
1090   DEPEND: foreach my $p (@l) {
1091       my @l1 = split (/\|/, $p);
1092       foreach my $p1 (@l1) {
1093           if ($p1 =~ m/^\s*(\S+).*/) {
1094               #printf (STDERR "$pname: $p --> $1\n");
1095               if ($closure->{$1}) {
1096                   next DEPEND; # dependency already met
1097               }
1098           }
1099       }
1100       # search for non-excluded alternative
1101       my $found;
1102       foreach my $p1 (@l1) {
1103           if ($p1 =~ m/^\s*(\S+).*/) {
1104               next if grep { $1 eq $_ } @$excl;
1105               $found = $1;
1106               last;
1107           }
1108       }
1109       die "package '$pname' depends on exclusion '$p'\n" if !$found;
1110
1111       #printf (STDERR "$pname: $p --> $found\n");
1112
1113       __closure_single ($pkginfo, $closure, $pkghash, $pkglist, $found, $excl);
1114   }
1115 }
1116
1117 sub cache_packages {
1118     my ($self, $pkglist) = @_;
1119
1120     foreach my $pkg (@$pkglist) {
1121         $self->getpkgfile ($pkg);
1122     }
1123 }
1124
1125 sub getpkgfile {
1126     my ($self, $pkg) = @_;
1127
1128     my $pkginfo = $self->pkginfo();
1129     my $info = $pkginfo->{$pkg} || die "no such package '$pkg'";
1130     my $cachedir = $self->{cachedir};
1131
1132     my $url = $info->{url};
1133
1134     my $filename;
1135     if ($url =~ m|/([^/]+.deb)$|) {
1136         $filename = $1;
1137     } else {
1138         die "internal error";
1139     }
1140
1141     return $filename if -f "$cachedir/$filename";
1142
1143     mkpath $cachedir;
1144
1145     $self->download ($url, "$cachedir/$filename");
1146
1147     return $filename;
1148 }
1149
1150 sub install_init_script {
1151     my ($self, $script, $runlevel, $prio) = @_;
1152
1153     my $suite = $self->{config}->{suite};
1154     my $rootdir = $self->{rootfs};
1155
1156     my $base = basename ($script);
1157     my $target = "$rootdir/etc/init.d/$base";
1158
1159     $self->run_command ("install -m 0755 '$script' '$target'");
1160     if ($suite eq 'etch' || $suite eq 'lenny') {
1161         $self->ve_command ("update-rc.d $base start $prio $runlevel .");
1162     } elsif ($suite eq 'xenial' || $suite eq 'wily' || $suite eq 'vivid' ||
1163              $suite eq 'yakkety' || $suite eq 'zesty' || $suite eq 'artful' ||
1164              $suite eq 'bionic' || $suite eq 'cosmic' || $suite eq 'disco' ||
1165              $suite eq 'eoan') {
1166         die "unable to install init script (system uses systemd)\n";
1167     } elsif ($suite eq 'trusty' || $suite eq 'precise') {
1168         die "unable to install init script (system uses upstart)\n";
1169     } else {
1170         $self->ve_command ("insserv $base");
1171     }
1172
1173     return $target;
1174 }
1175
1176 sub bootstrap {
1177     my ($self, $opts) = @_;
1178
1179     my $pkginfo = $self->pkginfo();
1180     my $veid = $self->{veid};
1181     my $suite = $self->{config}->{suite};
1182
1183     my $important = [ @{$self->{incl}} ];
1184     my $required;
1185     my $standard;
1186
1187     my $mta = $opts->{exim} ? 'exim' : 'postfix';
1188
1189     if ($mta eq 'postfix') {
1190         push @$important, "postfix";
1191     }
1192
1193     foreach my $p (sort keys %$pkginfo) {
1194         next if grep { $p eq $_ } @{$self->{excl}};
1195         my $pri = $pkginfo->{$p}->{priority};
1196         next if !$pri;
1197         next if $mta ne 'exim' && $p =~ m/exim/;
1198         next if $p =~ m/(selinux|semanage|policycoreutils)/;
1199
1200         push @$required, $p  if $pri eq 'required';
1201         push @$important, $p if $pri eq 'important';
1202         push @$standard, $p if $pri eq 'standard' && !$opts->{minimal};
1203     }
1204
1205     my $closure = {};
1206     $required = $self->closure ($closure, $required);
1207     $important = $self->closure ($closure, $important);
1208
1209     if (!$opts->{minimal}) {
1210         push @$standard, 'xbase-clients';
1211         $standard = $self->closure ($closure, $standard);
1212     }
1213
1214     # test if we have all 'ubuntu-minimal' and 'ubuntu-standard' packages
1215     # except those explicitly excluded
1216     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1217         my $mdeps = $pkginfo->{'ubuntu-minimal'}->{depends};
1218         foreach my $d (split (/,/, $mdeps)) {
1219             if ($d =~ m/^\s*(\S+)$/) {
1220                 my $pkg = $1;
1221                 next if $closure->{$pkg};
1222                 next if grep { $pkg eq $_ } @{$self->{excl}};
1223                 die "missing ubuntu-minimal package '$pkg'\n";
1224             }
1225         }
1226         if (!$opts->{minimal}) {
1227             $mdeps = $pkginfo->{'ubuntu-standard'}->{depends};
1228             foreach my $d (split (/,/, $mdeps)) {
1229                 if ($d =~ m/^\s*(\S+)$/) {
1230                     my $pkg = $1;
1231                     next if $closure->{$pkg};
1232                     next if grep { $pkg eq $_ } @{$self->{excl}};
1233                     die "missing ubuntu-standard package '$pkg'\n";
1234                 }
1235             }
1236         }
1237     }
1238
1239     # download/cache all files first
1240     $self->cache_packages ($required);
1241     $self->cache_packages ($important);
1242     $self->cache_packages ($standard);
1243
1244     my $rootdir = $self->{rootfs};
1245
1246     # extract required packages first
1247     $self->logmsg ("create basic environment\n");
1248     foreach my $p (@$required) {
1249         my $filename = $self->getpkgfile ($p);
1250         my $content = $self->run_command("ar -t '$self->{cachedir}/$filename'", undef, 1);
1251         if ($content =~ m/^data.tar.xz$/m) {
1252             $self->run_command ("ar -p '$self->{cachedir}/$filename' data.tar.xz | tar -C '$rootdir' -xJf -");
1253         } else {
1254             $self->run_command ("ar -p '$self->{cachedir}/$filename' data.tar.gz | tar -C '$rootdir' -xzf -");
1255         }
1256     }
1257
1258     # fake dpkg status
1259     my $data = "Package: dpkg\n" .
1260         "Version: $pkginfo->{dpkg}->{version}\n" .
1261         "Status: install ok installed\n";
1262
1263     write_file ($data, "$rootdir/var/lib/dpkg/status");
1264     write_file ("", "$rootdir/var/lib/dpkg/info/dpkg.list");
1265     write_file ("", "$rootdir/var/lib/dpkg/available");
1266
1267     $data = '';
1268     foreach my $ss (@{$self->{sources}}) {
1269         my $url = $ss->{source};
1270         my $comp = join (' ', @{$ss->{comp}});
1271         $data .= "deb $url $ss->{suite} $comp\n\n";
1272     }
1273
1274     write_file ($data, "$rootdir/etc/apt/sources.list");
1275
1276     $data = "# UNCONFIGURED FSTAB FOR BASE SYSTEM\n";
1277     write_file ($data, "$rootdir/etc/fstab", 0644);
1278
1279     write_file ("localhost\n", "$rootdir/etc/hostname", 0644);
1280
1281     # avoid warnings about non-existent resolv.conf
1282     write_file ("", "$rootdir/etc/resolv.conf", 0644);
1283
1284     if ($suite eq 'eoan' || $suite eq 'disco' || $suite eq 'cosmic' ||
1285         $suite eq 'bionic' || $suite eq 'artful' ||
1286         $suite eq 'zesty' || $suite eq 'yakkety' || $suite eq 'xenial' ||
1287         $suite eq 'wily') {
1288         # no need to configure loopback device
1289     } else {
1290         $data = "auto lo\niface lo inet loopback\n";
1291         mkdir "$rootdir/etc/network";
1292         write_file ($data, "$rootdir/etc/network/interfaces", 0644);
1293     }
1294
1295     # setup devices
1296     $self->run_command ("tar xzf '$devicetar' -C '$rootdir'");
1297
1298     # avoid warnings about missing default locale
1299     write_file ("LANG=\"C\"\n", "$rootdir/etc/default/locale", 0644);
1300
1301     # fake init
1302     rename ("$rootdir/sbin/init", "$rootdir/sbin/init.org");
1303     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1304
1305     $self->run_command ("cp '$default_env' '$rootdir/sbin/defenv'");
1306
1307     $self->run_command ("lxc-start -n $veid -f $self->{veconffile}");
1308
1309     $self->logmsg ("initialize ld cache\n");
1310     $self->ve_command ("/sbin/ldconfig");
1311     $self->run_command ("ln -sf mawk '$rootdir/usr/bin/awk'");
1312
1313     $self->logmsg ("installing packages\n");
1314
1315     $self->ve_dpkg ('install', 'base-files', 'base-passwd');
1316
1317     $self->ve_dpkg ('install', 'dpkg');
1318
1319     $self->run_command ("ln -sf /usr/share/zoneinfo/UTC '$rootdir/etc/localtime'");
1320
1321     $self->run_command ("ln -sf bash '$rootdir/bin/sh'");
1322
1323     $self->ve_dpkg ('install', 'libc6');
1324     $self->ve_dpkg ('install', 'perl-base');
1325
1326     unlink "$rootdir/usr/bin/awk";
1327
1328     $self->ve_dpkg ('install', 'mawk');
1329     $self->ve_dpkg ('install', 'debconf');
1330
1331     # unpack required packages
1332     foreach my $p (@$required) {
1333         $self->ve_dpkg ('unpack', $p);
1334     }
1335
1336     rename ("$rootdir/sbin/init.org", "$rootdir/sbin/init");
1337     $self->ve_divert_add ("/sbin/init");
1338     $self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
1339
1340     # disable service activation
1341     $self->ve_divert_add ("/usr/sbin/policy-rc.d");
1342     $data = "#!/bin/sh\nexit 101\n";
1343     write_file ($data, "$rootdir/usr/sbin/policy-rc.d", 755);
1344
1345     # disable start-stop-daemon
1346     $self->ve_divert_add ("/sbin/start-stop-daemon");
1347     $data = <<EOD;
1348 #!/bin/sh
1349 echo
1350 echo \"Warning: Fake start-stop-daemon called, doing nothing\"
1351 EOD
1352     write_file ($data, "$rootdir/sbin/start-stop-daemon", 0755);
1353
1354     # disable udevd
1355     $self->ve_divert_add ("/sbin/udevd");
1356
1357     if ($suite eq 'etch') {
1358         # disable apache2 startup
1359         write_file ("NO_START=1\n", "$rootdir/etc/default/apache2");
1360     }
1361
1362     $self->logmsg ("configure required packages\n");
1363     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1364
1365     # set postfix defaults
1366     if ($mta eq 'postfix') {
1367         $data = "postfix postfix/main_mailer_type select Local only\n";
1368         $self->ve_debconfig_set ($data);
1369
1370         $data = "postmaster: root\nwebmaster: root\n";
1371         write_file ($data, "$rootdir/etc/aliases");
1372     }
1373
1374     if ($suite eq 'jaunty') {
1375         # jaunty does not create /var/run/network, so network startup fails.
1376         # so we do not use tmpfs for /var/run and /var/lock
1377         $self->run_command ("sed -e 's/RAMRUN=yes/RAMRUN=no/' -e 's/RAMLOCK=yes/RAMLOCK=no/'  -i $rootdir/etc/default/rcS");
1378         # and create the directory here
1379         $self->run_command ("mkdir $rootdir/var/run/network");
1380     }
1381
1382     # unpack base packages
1383     foreach my $p (@$important) {
1384         $self->ve_dpkg ('unpack', $p);
1385     }
1386
1387     # start loopback
1388     if (-x "$rootdir/sbin/ifconfig") {
1389         $self->ve_command ("ifconfig lo up");
1390     } else {
1391         $self->ve_command ("ip link set lo up");
1392     }
1393
1394     $self->logmsg ("configure important packages\n");
1395     $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1396
1397     if (-d "$rootdir/etc/event.d") {
1398         unlink <$rootdir/etc/event.d/tty*>;
1399     }
1400
1401     if (-f "$rootdir/etc/inittab") {
1402         $self->run_command ("sed -i -e '/getty\\s38400\\stty[23456]/d' '$rootdir/etc/inittab'");
1403     }
1404
1405     # Link /etc/mtab to /proc/mounts, so df and friends will work:
1406     unlink "$rootdir/etc/mtab";
1407     $self->ve_command ("ln -s /proc/mounts /etc/mtab");
1408
1409     # reset password
1410     $self->ve_command ("usermod -L root");
1411
1412     if ($mta eq 'postfix') {
1413         $data = "postfix postfix/main_mailer_type select No configuration\n";
1414         $self->ve_debconfig_set ($data);
1415
1416         unlink "$rootdir/etc/mailname";
1417         write_file ($postfix_main_cf, "$rootdir/etc/postfix/main.cf");
1418     }
1419
1420     if (!$opts->{minimal}) {
1421         # unpack standard packages
1422         foreach my $p (@$standard) {
1423             $self->ve_dpkg ('unpack', $p);
1424         }
1425
1426         $self->logmsg ("configure standard packages\n");
1427         $self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
1428     }
1429
1430     # disable HWCLOCK access
1431     $self->run_command ("echo 'HWCLOCKACCESS=no' >> '$rootdir/etc/default/rcS'");
1432
1433     # disable hald
1434     $self->ve_divert_add ("/usr/sbin/hald");
1435
1436     # disable /dev/urandom init
1437     $self->run_command ("install -m 0755 '$script_init_urandom' '$rootdir/etc/init.d/urandom'");
1438
1439     if ($suite eq 'etch' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1440         # avoid klogd start
1441         $self->ve_divert_add ("/sbin/klogd");
1442     }
1443
1444     # remove unnecessays sysctl entries to avoid warnings
1445     my $cmd = 'sed';
1446     $cmd .= ' -e \'s/^\(kernel\.printk.*\)/#\1/\'';
1447     $cmd .= ' -e \'s/^\(kernel\.maps_protect.*\)/#\1/\'';
1448     $cmd .= ' -e \'s/^\(fs\.inotify\.max_user_watches.*\)/#\1/\'';
1449     $cmd .= ' -e \'s/^\(vm\.mmap_min_addr.*\)/#\1/\'';
1450     $cmd .= " -i '$rootdir/etc/sysctl.conf'";
1451     $self->run_command ($cmd);
1452
1453     my $bindv6only = "$rootdir/etc/sysctl.d/bindv6only.conf";
1454     if (-f $bindv6only) {
1455         $cmd = 'sed';
1456         $cmd .= ' -e \'s/^\(net\.ipv6\.bindv6only.*\)/#\1/\'';
1457         $cmd .= " -i '$bindv6only'";
1458         $self->run_command ($cmd);
1459     }
1460
1461     if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1462         # disable tty init (console-setup)
1463         my $cmd = 'sed';
1464         $cmd .= ' -e \'s/^\(ACTIVE_CONSOLES=.*\)/ACTIVE_CONSOLES=/\'';
1465         $cmd .= " -i '$rootdir/etc/default/console-setup'";
1466         $self->run_command ($cmd);
1467     }
1468
1469     if ($suite eq 'intrepid') {
1470         # remove sysctl setup (avoid warnings at startup)
1471         my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
1472         $filelist .= " $rootdir/etc/sysctl.d/10-process-security.conf";
1473         $filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
1474         $self->run_command ("rm $filelist");
1475     }
1476     if ($suite eq 'jaunty') {
1477         # remove sysctl setup (avoid warnings at startup)
1478         my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
1479         $filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
1480         $self->run_command ("rm $filelist");
1481     }
1482 }
1483
1484 sub enter {
1485     my ($self) = @_;
1486
1487     my $veid = $self->{veid};
1488     my $conffile = $self->{veconffile};
1489
1490     my $vestat = $self->ve_status();
1491
1492     if (!$vestat->{exist}) {
1493         $self->logmsg ("Please create the appliance first (bootstrap)");
1494         return;
1495     }
1496
1497     if (!$vestat->{running}) {
1498         $self->run_command ("lxc-start -n $veid -f $conffile");
1499     }
1500
1501     system ("lxc-attach -n $veid --rcfile $conffile --clear-env");
1502 }
1503
1504 sub ve_mysql_command {
1505     my ($self, $sql, $password) = @_;
1506
1507     #my $bootstrap = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1508     #"--skip-bdb  --skip-innodb --skip-ndbcluster";
1509
1510     $self->ve_command ("mysql", $sql);
1511 }
1512
1513 sub ve_mysql_bootstrap {
1514     my ($self, $sql, $password) = @_;
1515
1516     my $cmd;
1517
1518     my $suite = $self->{config}->{suite};
1519
1520     if ($suite eq 'jessie') {
1521         my $rootdir = $self->{rootfs};
1522         $self->run_command ("sed -e 's/^key_buffer\\s*=/key_buffer_size =/' -i $rootdir/etc/mysql/my.cnf");
1523     }
1524
1525     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie') {
1526         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables";
1527
1528     } else {
1529         $cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
1530             "--skip-bdb  --skip-innodb --skip-ndbcluster";
1531     }
1532
1533     $self->ve_command ($cmd, $sql);
1534 }
1535
1536 sub compute_required {
1537     my ($self, $pkglist) = @_;
1538
1539     my $pkginfo = $self->pkginfo();
1540     my $instpkgs = $self->read_installed ();
1541
1542     my $closure = {};
1543     __record_provides ($pkginfo, $closure, [keys %$instpkgs]);
1544
1545     return $self->closure ($closure, $pkglist);
1546 }
1547
1548 sub task_postgres {
1549     my ($self, $opts) = @_;
1550
1551     my @supp = ('7.4', '8.1');
1552     my $pgversion = '8.1';
1553
1554     my $suite = $self->{config}->{suite};
1555
1556     if ($suite eq 'lenny' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
1557         @supp = ('8.3');
1558         $pgversion = '8.3';
1559     } elsif ($suite eq 'squeeze') {
1560         @supp = ('8.4');
1561         $pgversion = '8.4';
1562     } elsif ($suite eq 'wheezy') {
1563         @supp = ('9.1');
1564         $pgversion = '9.1';
1565     } elsif ($suite eq 'jessie') {
1566         @supp = ('9.4');
1567         $pgversion = '9.4';
1568     } elsif ($suite eq 'stretch') {
1569         @supp = ('9.6');
1570         $pgversion = '9.6';
1571     } elsif ($suite eq 'buster') {
1572         @supp = ('11');
1573         $pgversion = '11';
1574     }
1575
1576     $pgversion = $opts->{version} if $opts->{version};
1577
1578     die "unsupported postgres version '$pgversion'\n"
1579         if !grep { $pgversion eq $_; } @supp;
1580
1581     my $rootdir = $self->{rootfs};
1582
1583     my $required = $self->compute_required (["postgresql-$pgversion"]);
1584
1585     $self->cache_packages ($required);
1586
1587     $self->ve_dpkg ('install', @$required);
1588
1589     my $iscript = "postgresql-$pgversion";
1590     if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie' ||
1591         $suite eq 'stretch') {
1592         $iscript = 'postgresql';
1593     }
1594
1595     $self->ve_command ("/etc/init.d/$iscript start") if $opts->{start};
1596 }
1597
1598 sub task_mysql {
1599     my ($self, $opts) = @_;
1600
1601     my $password = $opts->{password};
1602     my $rootdir = $self->{rootfs};
1603
1604     my $suite = $self->{config}->{suite};
1605
1606     my $ver = '5.0';
1607     if ($suite eq 'squeeze') {
1608       $ver = '5.1';
1609     } elsif ($suite eq 'wheezy' || $suite eq 'jessie') {
1610       $ver = '5.5';
1611     } else {
1612         die "task_mysql: unsupported suite '$suite'";
1613     }
1614
1615     my $required = $self->compute_required (['mysql-common', "mysql-server-$ver"]);
1616
1617     $self->cache_packages ($required);
1618
1619     $self->ve_dpkg ('install', @$required);
1620
1621     # fix security (see /usr/bin/mysql_secure_installation)
1622     my $sql = "DELETE FROM mysql.user WHERE User='';\n" .
1623         "DELETE FROM mysql.user WHERE User='root' AND Host!='localhost';\n" .
1624         "FLUSH PRIVILEGES;\n";
1625     $self->ve_mysql_bootstrap ($sql);
1626
1627     if ($password) {
1628
1629         my $rpw = $password eq 'random' ? 'admin' : $password;
1630
1631         my $sql = "USE mysql;\n" .
1632             "UPDATE user SET password=PASSWORD(\"$rpw\") WHERE user='root';\n" .
1633             "FLUSH PRIVILEGES;\n";
1634         $self->ve_mysql_bootstrap ($sql);
1635
1636         write_file ("[client]\nuser=root\npassword=\"$rpw\"\n", "$rootdir/root/.my.cnf", 0600);
1637         if ($password eq 'random') {
1638             $self->install_init_script ($script_mysql_randompw, 2, 20);
1639         }
1640     }
1641
1642     $self->ve_command ("/etc/init.d/mysql start") if $opts->{start};
1643 }
1644
1645 sub task_php {
1646     my ($self, $opts) = @_;
1647
1648     my $memlimit = $opts->{memlimit};
1649     my $rootdir = $self->{rootfs};
1650
1651     my $required = $self->compute_required ([qw (php5 php5-cli libapache2-mod-php5 php5-gd)]);
1652
1653     $self->cache_packages ($required);
1654
1655     $self->ve_dpkg ('install', @$required);
1656
1657     if ($memlimit) {
1658         $self->run_command ("sed -e 's/^\\s*memory_limit\\s*=.*;/memory_limit = ${memlimit}M;/' -i $rootdir/etc/php5/apache2/php.ini");
1659     }
1660 }
1661
1662 sub install {
1663     my ($self, $pkglist, $unpack) = @_;
1664
1665     my $required = $self->compute_required ($pkglist);
1666
1667     $self->cache_packages ($required);
1668
1669     $self->ve_dpkg ($unpack ? 'unpack' : 'install', @$required);
1670 }
1671
1672 sub cleanup {
1673     my ($self, $distclean) = @_;
1674
1675     unlink $self->{logfile};
1676     unlink "$self->{targetname}.tar";
1677     unlink "$self->{targetname}.tar.gz";
1678
1679     $self->ve_destroy ();
1680     unlink ".veid";
1681
1682     rmtree $self->{cachedir} if $distclean && !$self->{config}->{cachedir};
1683
1684     rmtree $self->{infodir};
1685
1686 }
1687
1688 1;