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