dab/DAB.pm
Thomas Lamprecht 21e40575e2 allow https mirrors
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
2022-10-21 14:45:11 +02:00

1945 lines
49 KiB
Perl

package PVE::DAB;
use strict;
use warnings;
use IO::File;
use File::Path;
use File::Basename;
use IO::Select;
use IPC::Open2;
use IPC::Open3;
use POSIX qw (LONG_MAX);
use UUID;
use Cwd;
# fixme: lock container ?
my $dablibdir = "/usr/lib/dab";
my $devicetar = "$dablibdir/devices.tar.gz";
my $default_env = "$dablibdir/scripts/defenv";
my $fake_init = "$dablibdir/scripts/init.pl";
my $script_ssh_init = "$dablibdir/scripts/ssh_gen_host_keys";
my $script_mysql_randompw = "$dablibdir/scripts/mysql_randompw";
my $script_init_urandom = "$dablibdir/scripts/init_urandom";
my $postfix_main_cf = <<EOD;
# See /usr/share/postfix/main.cf.dist for a commented, more complete version
smtpd_banner = \$myhostname ESMTP \$mail_name (Debian/GNU)
biff = no
# appending .domain is the MUA's job.
append_dot_mydomain = no
# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
mydestination = \$myhostname, localhost.\$mydomain, localhost
relayhost =
mynetworks = 127.0.0.0/8
inet_interfaces = loopback-only
recipient_delimiter = +
compatibility_level = 2
EOD
# produce apt compatible filenames (/var/lib/apt/lists)
sub __url_to_filename {
my $url = shift;
$url =~ s|^\S+://||;
$url =~ s|_|%5f|g;
$url =~ s|/|_|g;
return $url;
}
# defaults:
# origin: debian
# flags:
# systemd: true (except for devuan ostypes)
my $supported_suites = {
'bookworm' => {
ostype => "debian-12",
},
'bullseye' => {
ostype => "debian-11",
},
'buster' => {
ostype => "debian-10",
},
'stretch' => {
ostype => "debian-9.0",
},
'jessie' => {
ostype => "debian-8.0",
},
'wheezy' => {
flags => {
systemd => 0,
},
ostype => "debian-7.0",
},
'squeeze' => {
flags => {
systemd => 0,
},
ostype => "debian-6.0",
},
'lenny' => {
flags => {
systemd => 0,
},
ostype => "debian-5.0",
},
'etch' => {
flags => {
systemd => 0,
},
ostype => "debian-4.0",
},
# DEVUAN (imply systemd = 0 default)
'devuan-jessie' => {
suite => 'jessie',
ostype => "devuan-1.0",
},
'devuan-ascii' => {
suite => 'ascii',
ostype => "devuan-2.0",
},
'ascii' => {
ostype => "devuan-2.0",
},
'beowulf' => {
ostype => "devuan-3.0",
},
'chimaera' => {
ostype => "devuan-4.0",
},
'daedalus' => {
ostype => "devuan-5.0",
},
# UBUNTU
'hardy' => {
flags => {
systemd => 0,
},
ostype => "ubuntu-8.04",
origin => 'ubuntu',
},
'intrepid' => {
flags => {
systemd => 0,
},
ostype => "ubuntu-8.10",
origin => 'ubuntu',
},
'jaunty' => {
flags => {
systemd => 0,
},
ostype => "ubuntu-9.04",
origin => 'ubuntu',
},
'precise' => {
flags => {
systemd => 0,
},
ostype => "ubuntu-12.04",
origin => 'ubuntu',
},
'trusty' => {
flags => {
systemd => 0,
},
ostype => "ubuntu-14.04",
origin => 'ubuntu',
},
'vivid' => {
ostype => "ubuntu-15.04",
origin => 'ubuntu',
},
'wily' => {
ostype => "ubuntu-15.10",
origin => 'ubuntu',
},
'xenial' => {
ostype => "ubuntu-16.04",
origin => 'ubuntu',
},
'yakkety' => {
ostype => "ubuntu-16.10",
origin => 'ubuntu',
},
'zesty' => {
ostype => "ubuntu-17.04",
origin => 'ubuntu',
},
'artful' => {
ostype => "ubuntu-17.10",
origin => 'ubuntu',
},
'bionic' => {
ostype => "ubuntu-18.04",
origin => 'ubuntu',
},
'cosmic' => {
ostype => "ubuntu-18.10",
origin => 'ubuntu',
},
'disco' => {
ostype => "ubuntu-19.04",
origin => 'ubuntu',
},
'eoan' => {
ostype => "ubuntu-19.10",
origin => 'ubuntu',
},
'focal' => {
ostype => "ubuntu-20.04",
origin => 'ubuntu',
},
'groovy' => {
ostype => "ubuntu-20.10",
origin => 'ubuntu',
},
'hirsute' => {
ostype => "ubuntu-21.04",
origin => 'ubuntu',
},
'impish' => {
ostype => "ubuntu-21.10",
origin => 'ubuntu',
},
'jammy' => {
ostype => "ubuntu-22.04",
origin => 'ubuntu',
},
'kinetic' => {
ostype => "ubuntu-22.10",
origin => 'ubuntu',
},
};
sub get_suite_info {
my ($suite) = @_;
my $suiteinfo = $supported_suites->{$suite} || die "unsupported suite '$suite'!\n";
# set defaults
$suiteinfo->{origin} //= 'debian';
$suiteinfo->{suite} //= $suite;
$suiteinfo->{flags} //= {};
if ($suiteinfo->{ostype} =~ /^devuan/) {
$suiteinfo->{flags}->{systemd} //= 0;
} else {
$suiteinfo->{flags}->{systemd} //= 1;
}
return $suiteinfo;
}
sub download {
my ($self, $url, $path) = @_;
my $tmpfn = "$path.tmp$$";
$self->logmsg ("download: $url\n");
eval { $self->run_command ("wget -q '$url' -O '$tmpfn'") };
if (my $err = $@) {
unlink $tmpfn;
die $err;
}
rename ($tmpfn, $path);
}
sub write_file {
my ($data, $file, $perm) = @_;
die "no filename" if !$file;
unlink $file;
my $fh = IO::File->new ($file, O_WRONLY | O_CREAT, $perm) ||
die "unable to open file '$file'";
print $fh $data;
$fh->close;
}
sub read_file {
my ($file) = @_;
die "no filename" if !$file;
my $fh = IO::File->new ($file) ||
die "unable to open file '$file'";
local $/; # slurp mode
my $data = <$fh>;
$fh->close;
return $data;
}
sub read_config {
my ($filename) = @_;
my $res = {};
my $fh = IO::File->new ("<$filename") || return $res;
my $rec = '';
while (defined (my $line = <$fh>)) {
next if $line =~ m/^\#/;
next if $line =~ m/^\s*$/;
$rec .= $line;
};
close ($fh);
chomp $rec;
$rec .= "\n";
while ($rec) {
if ($rec =~ s/^Description:\s*([^\n]*)(\n\s+.*)*$//si) {
$res->{headline} = $1;
chomp $res->{headline};
my $long = $2;
$long =~ s/^\s+/ /;
$res->{description} = $long;
chomp $res->{description};
} elsif ($rec =~ s/^([^:]+):\s*(.*\S)\s*\n//) {
my ($key, $value) = (lc ($1), $2);
if ($key eq 'source' || $key eq 'mirror') {
push @{$res->{$key}}, $value;
} else {
die "duplicate key '$key'\n" if defined ($res->{$key});
$res->{$key} = $value;
}
} else {
die "unable to parse config file: $rec";
}
}
die "unable to parse config file" if $rec;
return $res;
}
sub run_command {
my ($self, $cmd, $input, $getoutput) = @_;
my $reader = IO::File->new();
my $writer = IO::File->new();
my $error = IO::File->new();
my $orig_pid = $$;
my $cmdstr = ref ($cmd) eq 'ARRAY' ? join (' ', @$cmd) : $cmd;
my $pid;
eval {
if (ref ($cmd) eq 'ARRAY') {
$pid = open3 ($writer, $reader, $error, @$cmd) || die $!;
} else {
$pid = open3 ($writer, $reader, $error, $cmdstr) || die $!;
}
};
my $err = $@;
# catch exec errors
if ($orig_pid != $$) {
$self->logmsg ("ERROR: command '$cmdstr' failed - fork failed\n");
POSIX::_exit (1);
kill ('KILL', $$);
}
die $err if $err;
print $writer $input if defined $input;
close $writer;
my $select = IO::Select->new();
$select->add ($reader);
$select->add ($error);
my $res = '';
my $logfd = $self->{logfd};
while ($select->count) {
my @handles = $select->can_read ();
foreach my $h (@handles) {
my $buf = '';
my $count = sysread ($h, $buf, 4096);
if (!defined ($count)) {
waitpid ($pid, 0);
die "command '$cmdstr' failed: $!";
}
$select->remove ($h) if !$count;
print $logfd $buf;
$res .= $buf if $getoutput;
}
}
waitpid ($pid, 0);
my $ec = ($? >> 8);
die "command '$cmdstr' failed with exit code $ec\n" if $ec;
return $res;
}
sub logmsg {
my $self = shift;
print STDERR @_;
$self->writelog (@_);
}
sub writelog {
my $self = shift;
my $fd = $self->{logfd};
print $fd @_;
}
sub __sample_config {
my ($self) = @_;
my $data = '';
my $arch = $self->{config}->{architecture};
my $ostype = $self->{config}->{ostype};
if ($ostype =~ m/^de(bi|vu)an-/) {
$data .= "lxc.include = /usr/share/lxc/config/debian.common.conf\n";
} elsif ($ostype =~ m/^ubuntu-/) {
$data .= "lxc.include = /usr/share/lxc/config/ubuntu.common.conf\n";
} else {
die "unknown os type '$ostype'\n";
}
$data .= "lxc.uts.name = localhost\n";
$data .= "lxc.rootfs.path = $self->{rootfs}\n";
return $data;
}
sub __allocate_ve {
my ($self) = @_;
my $cid;
if (my $fd = IO::File->new (".veid")) {
$cid = <$fd>;
chomp $cid;
close ($fd);
}
$self->{working_dir} = getcwd;
$self->{veconffile} = "$self->{working_dir}/config";
$self->{rootfs} = "$self->{working_dir}/rootfs";
if ($cid) {
$self->{veid} = $cid;
return $cid;
}
my $uuid;
my $uuid_str;
UUID::generate($uuid);
UUID::unparse($uuid, $uuid_str);
$self->{veid} = $uuid_str;
my $fd = IO::File->new (">.veid") ||
die "unable to write '.veid'\n";
print $fd "$self->{veid}\n";
close ($fd);
my $cdata = $self->__sample_config();
my $fh = IO::File->new ($self->{veconffile}, O_WRONLY|O_CREAT|O_EXCL) ||
die "unable to write lxc config file '$self->{veconffile}' - $!";
print $fh $cdata;
close ($fh);
mkdir $self->{rootfs} || die "unable to create rootfs - $!";
$self->logmsg ("allocated VE $self->{veid}\n");
return $self->{veid};
}
# just use some simple heuristic for now, merge usr for releases newer than ubuntu 21.x or debian 11
sub can_usr_merge {
my ($self) = @_;
my $ostype = $self->{config}->{ostype};
# FIXME: add configuration override posibillity
if ($ostype =~ m/^debian-(\d+)/) {
return int($1) >= 11;
} elsif ($ostype =~ m/^ubuntu-(\d+)/) {
return int($1) >= 21;
}
return; # false
}
sub setup_usr_merge {
my ($self) = @_;
my $rootfs = $self->{rootfs};
my $arch = $self->{config}->{architecture};
# similar to https://salsa.debian.org/installer-team/debootstrap/-/blob/master/functions#L1354
my @merged_dirs = qw(bin sbin lib);
if ($arch eq 'amd64') {
push @merged_dirs, qw(lib32 lib64 libx32);
} elsif ($arch eq 'i386') {
push @merged_dirs, qw(lib64 libx32);
}
$self->logmsg ("setup usr-merge symlinks for '" . join("', '", @merged_dirs) . "'\n");
for my $dir (@merged_dirs) {
symlink("usr/$dir", "$rootfs/$dir") or warn "could not create symlink - $!\n";
mkpath "$rootfs/usr/$dir";
}
}
sub get_target_name {
my ($config) = @_;
my $name = $config->{name} || die "no 'name' specified\n";
$name =~ m/^[a-z][0-9a-z\-\*\.]+$/ || die "illegal characters in name '$name'\n";
my ($version, $arch, $ostype) = $config->@{'version', 'architecture', 'ostype'};
$name = "${ostype}-${name}" if $name !~ m/^$ostype/;
return "${name}_${version}_${arch}"
}
sub new {
my ($class, $config) = @_;
$class = ref ($class) || $class;
$config = read_config ('dab.conf') if !$config;
my $self = {
config => $config,
};
bless $self, $class;
$self->{logfile} = "logfile";
$self->{logfd} = IO::File->new (">>$self->{logfile}") || die "unable to open log file";
my $arch = $config->{architecture} || die "no 'architecture' specified\n";
die "unsupported architecture '$arch'\n" if $arch !~ m/^(i386|amd64)$/;
my $suite = $config->{suite} || die "no 'suite' specified\n";
my $suiteinfo = get_suite_info($suite);
$suite = $suiteinfo->{suite};
$config->{ostype} = $suiteinfo->{ostype};
# assert required dab.conf keys exist
for my $key (qw(version section headline maintainer)) {
die "no '$key' specified\n" if !$config->{$key};
}
$self->{targetname} = get_target_name($config);
if (!$config->{source}) {
if (lc($suiteinfo->{origin}) eq 'debian') {
if ($suite eq 'etch' || $suite eq 'lenny') {
push @{$config->{source}}, (
'http://ftp.debian.org/debian SUITE main contrib',
'http://security.debian.org SUITE/updates main contrib',
);
} elsif ($suite =~ /^(?:bullseye|bookworm|trixie|forky)$/) {
push @{$config->{source}}, (
"http://deb.debian.org/debian SUITE main contrib",
"http://deb.debian.org/debian SUITE-updates main contrib",
"http://security.debian.org SUITE-security main contrib",
);
} else {
push @{$config->{source}}, (
"http://ftp.debian.org/debian SUITE main contrib",
"http://ftp.debian.org/debian SUITE-updates main contrib",
"http://security.debian.org SUITE/updates main contrib",
);
}
} elsif (lc($suiteinfo->{origin}) eq 'ubuntu') {
my $comp = "main restricted universe multiverse";
push @{$config->{source}}, (
"http://archive.ubuntu.com/ubuntu SUITE $comp",
"http://archive.ubuntu.com/ubuntu SUITE-updates $comp",
"http://archive.ubuntu.com/ubuntu SUITE-security $comp",
);
} else {
die "implement me";
}
}
my $sources = undef;
foreach my $s (@{$config->{source}}) {
if ($s =~ m@^\s*((https?|ftp)://\S+)\s+(\S+)((\s+(\S+))+)$@) {
my ($url, $su, $components) = ($1, $3, $4);
$su =~ s/SUITE/$suite/;
$components =~ s/^\s+//;
$components =~ s/\s+$//;
my $ca;
foreach my $co (split (/\s+/, $components)) {
push @$ca, $co;
}
$ca = ['main'] if !$ca;
push @$sources, {
source => $url,
comp => $ca,
suite => $su,
};
} else {
die "syntax error in source spezification '$s'\n";
}
}
foreach my $m (@{$config->{mirror}}) {
if ($m =~ m@^\s*((https?|ftp)://\S+)\s*=>\s*((https?|ftp)://\S+)\s*$@) {
my ($ms, $md) = ($1, $3);
my $found;
foreach my $ss (@$sources) {
if ($ss->{source} eq $ms) {
$found = 1;
$ss->{mirror} = $md;
last;
}
}
die "unusable mirror $ms\n" if !$found;
} else {
die "syntax error in mirror spezification '$m'\n";
}
}
$self->{sources} = $sources;
$self->{infodir} = "info";
$self->__allocate_ve();
$self->{cachedir} = ($config->{cachedir} || 'cache') . "/$suite";;
my $incl = [qw (less ssh openssh-server logrotate)];
my $excl = [qw (modutils reiserfsprogs ppp pppconfig pppoe pppoeconf nfs-common mtools ntp)];
# ubuntu has too many dependencies on udev, so we cannot exclude it (instead we disable udevd)
if (lc($suiteinfo->{origin}) eq 'ubuntu' && $suiteinfo->{flags}->{systemd}) {
push @$incl, 'isc-dhcp-client';
push @$excl, qw(libmodule-build-perl libdrm-common libdrm2 libplymouth5 plymouth plymouth-theme-ubuntu-text powermgmt-base);
if ($suite eq 'jammy') {
push @$excl, qw(fuse); # avoid fuse2 <-> fuse3 conflict
}
} elsif ($suite eq 'trusty') {
push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+);
} elsif ($suite eq 'precise') {
push @$excl, qw(systemd systemd-services libpam-systemd libsystemd-daemon0 memtest86+ ubuntu-standard);
} elsif ($suite eq 'hardy') {
push @$excl, qw(kbd);
push @$excl, qw(apparmor apparmor-utils ntfs-3g friendly-recovery);
} elsif ($suite eq 'intrepid' || $suite eq 'jaunty') {
push @$excl, qw(apparmor apparmor-utils libapparmor1 libapparmor-perl libntfs-3g28);
push @$excl, qw(ntfs-3g friendly-recovery);
} elsif ($suite eq 'jessie') {
push @$incl, 'sysvinit-core'; # avoid systemd and udev
push @$incl, 'libperl4-corelibs-perl'; # to make lsof happy
push @$excl, qw(systemd systemd-sysv udev module-init-tools pciutils hdparm memtest86+ parted);
} elsif ($suite eq 'stretch' || $suite eq 'buster' || $suite eq 'bullseye' || $suite eq 'bookworm') {
push @$excl, qw(module-init-tools pciutils hdparm memtest86+ parted);
} else {
push @$excl, qw(udev module-init-tools pciutils hdparm memtest86+ parted);
}
$self->{incl} = $incl;
$self->{excl} = $excl;
return $self;
}
sub initialize {
my ($self) = @_;
my $infodir = $self->{infodir};
my $arch = $self->{config}->{architecture};
rmtree $infodir;
mkpath $infodir;
# truncate log
my $logfd = $self->{logfd} = IO::File->new (">$self->{logfile}") ||
die "unable to open log file";
my $COMPRESSORS = [
{
ext => 'xz',
decomp => 'xz -d',
},
{
ext => 'gz',
decomp => 'gzip -d',
},
];
foreach my $ss (@{$self->{sources}}) {
my $src = $ss->{mirror} || $ss->{source};
my $path = "dists/$ss->{suite}/Release";
my $url = "$src/$path";
my $target = __url_to_filename ("$ss->{source}/$path");
eval {
$self->download ($url, "$infodir/$target");
$self->download ("$url.gpg", "$infodir/$target.gpg");
# fixme: impl. verify (needs --keyring option)
};
if (my $err = $@) {
print $logfd $@;
warn "Release info ignored\n";
};
foreach my $comp (@{$ss->{comp}}) {
foreach my $compressor (@$COMPRESSORS) {
$path = "dists/$ss->{suite}/$comp/binary-$arch/Packages.$compressor->{ext}";
$target = "$infodir/" . __url_to_filename ("$ss->{source}/$path");
my $pkgsrc = "$src/$path";
eval {
$self->download ($pkgsrc, $target);
$self->run_command ("$compressor->{decomp} '$target'");
};
if (my $err = $@) {
print $logfd "could not download Packages.$compressor->{ext}\n";
} else {
last;
}
}
}
}
}
sub write_config {
my ($self, $filename, $size) = @_;
my $config = $self->{config};
my $data = '';
$data .= "Name: $config->{name}\n";
$data .= "Version: $config->{version}\n";
$data .= "Type: lxc\n";
$data .= "OS: $config->{ostype}\n";
$data .= "Section: $config->{section}\n";
$data .= "Maintainer: $config->{maintainer}\n";
$data .= "Architecture: $config->{architecture}\n";
$data .= "Installed-Size: $size\n";
# optional
$data .= "Infopage: $config->{infopage}\n" if $config->{infopage};
$data .= "ManageUrl: $config->{manageurl}\n" if $config->{manageurl};
$data .= "Certified: $config->{certified}\n" if $config->{certified};
# description
$data .= "Description: $config->{headline}\n";
$data .= "$config->{description}\n" if $config->{description};
write_file ($data, $filename, 0644);
}
sub finalize {
my ($self, $opts) = @_;
my $suite = $self->{config}->{suite};
my $infodir = $self->{infodir};
my $arch = $self->{config}->{architecture};
my $instpkgs = $self->read_installed ();
my $pkginfo = $self->pkginfo();
my $veid = $self->{veid};
my $conffile = $self->{veconffile};
my $rootdir = $self->{rootfs};
my $vestat = $self->ve_status();
die "ve not running - unable to finalize\n" if !$vestat->{running};
# cleanup mysqld
if (-f "$rootdir/etc/init.d/mysql") {
$self->ve_command ("/etc/init.d/mysql stop");
}
if (!($opts->{keepmycnf} || (-f "$rootdir/etc/init.d/mysql_randompw"))) {
unlink "$rootdir/root/.my.cnf";
}
if ($suite eq 'etch') {
# enable apache2 startup
if ($instpkgs->{apache2}) {
write_file ("NO_START=0\n", "$rootdir/etc/default/apache2");
} else {
unlink "$rootdir/etc/default/apache2";
}
}
$self->logmsg ("cleanup package status\n");
# prevent auto selection of all standard, required or important
# packages which are not installed
foreach my $pkg (keys %$pkginfo) {
my $pri = $pkginfo->{$pkg}->{priority};
if ($pri && ($pri eq 'required' || $pri eq 'important'
|| $pri eq 'standard')) {
if (!$instpkgs->{$pkg}) {
$self->ve_dpkg_set_selection ($pkg, 'purge');
}
}
}
$self->ve_command ("apt-get clean");
$self->logmsg ("update available package list\n");
$self->ve_command ("dpkg --clear-avail");
foreach my $ss (@{$self->{sources}}) {
my $relsrc = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/Release");
if (-f "$infodir/$relsrc" && -f "$infodir/$relsrc.gpg") {
$self->run_command ("cp '$infodir/$relsrc' '$rootdir/var/lib/apt/lists/$relsrc'");
$self->run_command ("cp '$infodir/$relsrc.gpg' '$rootdir/var/lib/apt/lists/$relsrc.gpg'");
}
foreach my $comp (@{$ss->{comp}}) {
my $src = __url_to_filename ("$ss->{source}/dists/$ss->{suite}/" .
"$comp/binary-$arch/Packages");
my $target = "/var/lib/apt/lists/$src";
$self->run_command ("cp '$infodir/$src' '$rootdir/$target'");
$self->ve_command ("dpkg --merge-avail '$target'");
}
}
# set dselect default method
write_file ("apt apt\n", "$rootdir/var/lib/dpkg/cmethopt");
$self->ve_divert_remove ("/usr/sbin/policy-rc.d");
$self->ve_divert_remove ("/sbin/start-stop-daemon");
$self->ve_divert_remove ("/sbin/init");
# finally stop the VE
$self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
unlink "$rootdir/sbin/defenv";
unlink <$rootdir/root/dead.letter*>;
unlink "$rootdir/var/log/init.log";
unlink "$rootdir/aquota.group", "$rootdir/aquota.user";
write_file ("", "$rootdir/var/log/syslog");
my $get_path_size = sub {
my ($path) = @_;
my $sizestr = $self->run_command ("du -sm $path", undef, 1);
if ($sizestr =~ m/^(\d+)\s+\Q$path\E$/) {
return int($1);
} else {
die "unable to detect size for '$path'\n";
}
};
$self->logmsg ("detecting final appliance size: ");
my $size = $get_path_size->($rootdir);
$self->logmsg ("$size MB\n");
$self->write_config ("$rootdir/etc/appliance.info", $size);
$self->logmsg ("creating final appliance archive\n");
my $target = "$self->{targetname}.tar";
my $compressor = $opts->{compressor} // 'gz';
my $compressor2cmd_map = {
gz => 'gzip',
gzip => 'gzip',
zst => 'zstd --rm -9',
zstd => 'zstd --rm -9',
'zstd-max' => 'zstd --rm -19 -T0', # maximal level where the decompressor can still run efficiently
};
my $compressor2ending = {
gzip => 'gz',
zstd => 'zst',
'zstd-max' => 'zst',
};
my $compressor_cmd = $compressor2cmd_map->{$compressor};
die "unkown compressor '$compressor', use one of: ". join(', ', sort keys %$compressor2cmd_map)
if !defined($compressor_cmd);
my $ending = $compressor2ending->{$compressor} // $compressor;
my $final_archive = "${target}.${ending}";
unlink $target;
unlink $final_archive;
$self->run_command ("tar cpf $target --numeric-owner -C '$rootdir' ./etc/appliance.info");
$self->run_command ("tar rpf $target --numeric-owner -C '$rootdir' --exclude ./etc/appliance.info .");
$self->run_command ("$compressor_cmd $target");
$self->logmsg ("detecting final commpressed appliance size: ");
$size = $get_path_size->($final_archive);
$self->logmsg ("$size MB\n");
$self->logmsg ("appliance archive: $final_archive\n");
}
sub read_installed {
my ($self) = @_;
my $rootdir = $self->{rootfs};
my $pkgfilelist = "$rootdir/var/lib/dpkg/status";
local $/ = '';
open(my $PKGLST, '<', $pkgfilelist) or die "unable to open '$pkgfilelist' - $!";
my $pkglist = {};
while (my $rec = <$PKGLST>) {
chomp $rec;
$rec =~ s/\n\s+/ /g;
$rec .= "\n";
my $res = {};
while ($rec =~ s/^([^:]+):\s+(.*?)\s*\n//) {
$res->{lc $1} = $2;
}
my $pkg = $res->{'package'};
if (my $status = $res->{status}) {
my @sa = split (/\s+/, $status);
my $stat = $sa[0];
if ($stat && ($stat ne 'purge')) {
$pkglist->{$pkg} = $res;
}
}
}
close ($PKGLST);
return $pkglist;
}
sub ve_status {
my ($self) = @_;
my $veid = $self->{veid};
my $res = { running => 0 };
$res->{exist} = 1 if -d "$self->{rootfs}/usr";
my $filename = "/proc/net/unix";
# similar test is used by lcxcontainers.c: list_active_containers
my $fh = IO::File->new ($filename, "r");
return $res if !$fh;
while (defined(my $line = <$fh>)) {
if ($line =~ m/^[a-f0-9]+:\s\S+\s\S+\s\S+\s\S+\s\S+\s\d+\s(\S+)$/) {
my $path = $1;
if ($path =~ m!^@/\S+/$veid/command$!) {
$res->{running} = 1;
}
}
}
close($fh);
return $res;
}
sub ve_command {
my ($self, $cmd, $input) = @_;
my $veid = $self->{veid};
my $conffile = $self->{veconffile};
if (ref ($cmd) eq 'ARRAY') {
unshift @$cmd, 'lxc-attach', '-n', $veid, '--rcfile', $conffile, '--clear-env', '--', 'defenv';
$self->run_command($cmd, $input);
} else {
$self->run_command("lxc-attach -n $veid --rcfile $conffile --clear-env -- defenv $cmd", $input);
}
}
# like ve_command, but pipes stdin correctly
sub ve_exec {
my ($self, @cmd) = @_;
my $veid = $self->{veid};
my $conffile = $self->{veconffile};
my $reader;
my $pid = open2($reader, "<&STDIN", 'lxc-attach', '-n', $veid, '--rcfile', $conffile, '--',
'defenv', @cmd) || die "unable to exec command";
while (defined (my $line = <$reader>)) {
$self->logmsg ($line);
}
waitpid ($pid, 0);
my $rc = $? >> 8;
die "ve_exec failed - status $rc\n" if $rc != 0;
}
sub ve_divert_add {
my ($self, $filename) = @_;
$self->ve_command ("dpkg-divert --add --divert '$filename.distrib' " .
"--rename '$filename'");
}
sub ve_divert_remove {
my ($self, $filename) = @_;
my $rootdir = $self->{rootfs};
unlink "$rootdir/$filename";
$self->ve_command ("dpkg-divert --remove --rename '$filename'");
}
sub ve_debconfig_set {
my ($self, $dcdata) = @_;
my $rootdir = $self->{rootfs};
my $cfgfile = "/tmp/debconf.txt";
write_file ($dcdata, "$rootdir/$cfgfile");
$self->ve_command ("debconf-set-selections $cfgfile");
unlink "$rootdir/$cfgfile";
}
sub ve_dpkg_set_selection {
my ($self, $pkg, $status) = @_;
$self->ve_command ("dpkg --set-selections", "$pkg $status");
}
sub ve_dpkg {
my ($self, $cmd, @pkglist) = @_;
return if !scalar (@pkglist);
my $pkginfo = $self->pkginfo();
my $rootdir = $self->{rootfs};
my $cachedir = $self->{cachedir};
my @files;
foreach my $pkg (@pkglist) {
my $filename = $self->getpkgfile ($pkg);
$self->run_command ("cp '$cachedir/$filename' '$rootdir/$filename'");
push @files, "/$filename";
$self->logmsg ("$cmd: $pkg\n");
}
my $fl = join (' ', @files);
if ($cmd eq 'install') {
$self->ve_command ("dpkg --force-depends --force-confold --install $fl");
} elsif ($cmd eq 'unpack') {
$self->ve_command ("dpkg --force-depends --unpack $fl");
} else {
die "internal error";
}
foreach my $fn (@files) { unlink "$rootdir$fn"; }
}
sub ve_destroy {
my ($self) = @_;
my $veid = $self->{veid}; # fixme
my $conffile = $self->{veconffile};
my $vestat = $self->ve_status();
if ($vestat->{running}) {
$self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
}
rmtree $self->{rootfs};
unlink $self->{veconffile};
}
sub ve_init {
my ($self) = @_;
my $veid = $self->{veid};
my $conffile = $self->{veconffile};
$self->logmsg ("initialize VE $veid\n");
my $vestat = $self->ve_status();
if ($vestat->{running}) {
$self->run_command ("lxc-stop -n $veid --rcfile $conffile --kill");
}
rmtree $self->{rootfs};
mkpath $self->{rootfs};
}
sub __deb_version_cmp {
my ($cur, $op, $new) = @_;
if (system("dpkg", "--compare-versions", $cur, $op, $new) == 0) {
return 1;
}
return 0;
}
sub __parse_packages {
my ($pkginfo, $filename, $src) = @_;
local $/ = '';
open(my $PKGLST, '<', $filename) or die "unable to open '$filename' - $!";
while (my $rec = <$PKGLST>) {
$rec =~ s/\n\s+/ /g;
chomp $rec;
$rec .= "\n";
my $res = {};
while ($rec =~ s/^([^:]+):\s+(.*?)\s*\n//) {
$res->{lc $1} = $2;
}
my $pkg = $res->{'package'};
if ($pkg && $res->{'filename'}) {
my $cur;
if (my $info = $pkginfo->{$pkg}) {
$cur = $info->{version};
}
my $new = $res->{version};
if (!$cur || __deb_version_cmp ($cur, 'lt', $new)) {
if ($src) {
$res->{url} = "$src/$res->{'filename'}";
} else {
die "no url for package '$pkg'" if !$res->{url};
}
$pkginfo->{$pkg} = $res;
}
}
}
close ($PKGLST);
}
sub pkginfo {
my ($self) = @_;
return $self->{pkginfo} if $self->{pkginfo};
my $infodir = $self->{infodir};
my $arch = $self->{config}->{architecture};
my $availfn = "$infodir/available";
my $pkginfo = {};
my $pkgcount = 0;
# reading 'available' is faster, because it only contains latest version
# (no need to do slow version compares)
if (-f $availfn) {
__parse_packages ($pkginfo, $availfn);
$self->{pkginfo} = $pkginfo;
return $pkginfo;
}
$self->logmsg ("generating available package list\n");
foreach my $ss (@{$self->{sources}}) {
foreach my $comp (@{$ss->{comp}}) {
my $url = "$ss->{source}/dists/$ss->{suite}/$comp/binary-$arch/Packages";
my $pkgfilelist = "$infodir/" . __url_to_filename ($url);
my $src = $ss->{mirror} || $ss->{source};
__parse_packages ($pkginfo, $pkgfilelist, $src);
}
}
if (my $dep = $self->{config}->{depends}) {
foreach my $d (split (/,/, $dep)) {
if ($d =~ m/^\s*(\S+)\s*(\((\S+)\s+(\S+)\)\s*)?$/) {
my ($pkg, $op, $rver) = ($1, $3, $4);
$self->logmsg ("checking dependencies: $d\n");
my $info = $pkginfo->{$pkg};
die "package '$pkg' not available\n" if !$info;
if ($op) {
my $cver = $info->{version};
if (!__deb_version_cmp ($cver, $op, $rver)) {
die "detected wrong version '$cver'\n";
}
}
} else {
die "syntax error in depends field";
}
}
}
$self->{pkginfo} = $pkginfo;
my $tmpfn = "$availfn.tmp$$";
my $fd = IO::File->new (">$tmpfn");
foreach my $pkg (sort keys %$pkginfo) {
my $info = $pkginfo->{$pkg};
print $fd "package: $pkg\n";
foreach my $k (sort keys %$info) {
next if $k eq 'description';
next if $k eq 'package';
my $v = $info->{$k};
print $fd "$k: $v\n" if $v;
}
print $fd "description: $info->{description}\n" if $info->{description};
print $fd "\n";
}
close ($fd);
rename ($tmpfn, $availfn);
return $pkginfo;
}
sub __record_provides {
my ($pkginfo, $closure, $list, $skipself) = @_;
foreach my $pname (@$list) {
my $info = $pkginfo->{$pname};
# fixme: if someone install packages directly using dpkg, there
# is no entry in 'available', only in 'status'. In that case, we
# should extract info from $instpkgs
if (!$info) {
warn "hint: ignoring provides for '$pname' - package not in 'available' list.\n";
next;
}
if (my $prov = $info->{provides}) {
my @pl = split (',', $prov);
foreach my $p (@pl) {
$p =~ m/\s*(\S+)/;
if (!($skipself && (grep { $1 eq $_ } @$list))) {
$closure->{$1} = 1;
}
}
}
$closure->{$pname} = 1 if !$skipself;
}
}
sub closure {
my ($self, $closure, $list) = @_;
my $pkginfo = $self->pkginfo();
# first, record provided packages
__record_provides ($pkginfo, $closure, $list, 1);
my $pkghash = {};
my $pkglist = [];
# then resolve dependencies
foreach my $pname (@$list) {
__closure_single ($pkginfo, $closure, $pkghash, $pkglist, $pname, $self->{excl});
}
return $pkglist;
}
sub __closure_single {
my ($pkginfo, $closure, $pkghash, $pkglist, $pname, $excl) = @_;
$pname =~ s/^\s+//;
$pname =~ s/\s+$//;
$pname =~ s/:any$//;
return if $closure->{$pname};
my $info = $pkginfo->{$pname} || die "no such package '$pname'";
my $dep = $info->{depends};
my $predep = $info->{'pre-depends'};
my $size = $info->{size};
my $url = $info->{url};
$url || die "$pname: no url for package '$pname'";
if (!$pkghash->{$pname}) {
unshift @$pkglist, $pname;
$pkghash->{$pname} = 1;
}
__record_provides ($pkginfo, $closure, [$pname]) if $info->{provides};
$closure->{$pname} = 1;
#print "$url\n";
my @l;
push @l, split (/,/, $predep) if $predep;
push @l, split (/,/, $dep) if $dep;
DEPEND: foreach my $p (@l) {
my @l1 = split (/\|/, $p);
foreach my $p1 (@l1) {
if ($p1 =~ m/^\s*(\S+).*/) {
#printf (STDERR "$pname: $p --> $1\n");
if ($closure->{$1}) {
next DEPEND; # dependency already met
}
}
}
# search for non-excluded alternative
my $found;
foreach my $p1 (@l1) {
if ($p1 =~ m/^\s*(\S+).*/) {
next if grep { $1 eq $_ } @$excl;
$found = $1;
last;
}
}
die "package '$pname' depends on exclusion '$p'\n" if !$found;
#printf (STDERR "$pname: $p --> $found\n");
__closure_single ($pkginfo, $closure, $pkghash, $pkglist, $found, $excl);
}
}
sub cache_packages {
my ($self, $pkglist) = @_;
foreach my $pkg (@$pkglist) {
$self->getpkgfile ($pkg);
}
}
sub getpkgfile {
my ($self, $pkg) = @_;
my $pkginfo = $self->pkginfo();
my $info = $pkginfo->{$pkg} || die "no such package '$pkg'";
my $cachedir = $self->{cachedir};
my $url = $info->{url};
my $filename;
if ($url =~ m|/([^/]+.deb)$|) {
$filename = $1;
} else {
die "internal error";
}
return $filename if -f "$cachedir/$filename";
mkpath $cachedir;
$self->download ($url, "$cachedir/$filename");
return $filename;
}
sub install_init_script {
my ($self, $script, $runlevel, $prio) = @_;
my $suite = $self->{config}->{suite};
my $suiteinfo = get_suite_info($suite);
my $rootdir = $self->{rootfs};
my $base = basename ($script);
my $target = "$rootdir/etc/init.d/$base";
$self->run_command ("install -m 0755 '$script' '$target'");
if ($suite eq 'etch' || $suite eq 'lenny') {
$self->ve_command ("update-rc.d $base start $prio $runlevel .");
} elsif ($suiteinfo->{flags}->{systemd}) {
die "unable to install init script (system uses systemd)\n";
} elsif ($suite eq 'trusty' || $suite eq 'precise') {
die "unable to install init script (system uses upstart)\n";
} else {
$self->ve_command ("insserv $base");
}
return $target;
}
sub bootstrap {
my ($self, $opts) = @_;
my $pkginfo = $self->pkginfo();
my $veid = $self->{veid};
my $suite = $self->{config}->{suite};
my $suiteinfo = get_suite_info($suite);
my $important = [ @{$self->{incl}} ];
my $required;
my $standard;
my $mta = $opts->{exim} ? 'exim' : 'postfix';
if ($mta eq 'postfix') {
push @$important, "postfix";
}
if ($opts->{include}) {
push @$important, split(',', $opts->{include});
}
my $exclude = {};
if ($opts->{exclude}) {
$exclude->{$_} = 1 for split(',', $opts->{exclude});
}
foreach my $p (sort keys %$pkginfo) {
next if grep { $p eq $_ } @{$self->{excl}};
my $pri = $pkginfo->{$p}->{priority};
next if !$pri;
next if $mta ne 'exim' && $p =~ m/exim/;
next if $p =~ m/(selinux|semanage|policycoreutils)/;
push @$required, $p if $pri eq 'required';
next if $exclude->{$p};
push @$important, $p if $pri eq 'important';
push @$standard, $p if $pri eq 'standard' && !$opts->{minimal};
}
my $closure = {};
$required = $self->closure($closure, $required);
$important = $self->closure($closure, $important);
if (!$opts->{minimal}) {
$standard = $self->closure($closure, $standard);
}
# test if we have all 'ubuntu-minimal' and 'ubuntu-standard' packages
# except those explicitly excluded
if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
my $mdeps = $pkginfo->{'ubuntu-minimal'}->{depends};
foreach my $d (split (/,/, $mdeps)) {
if ($d =~ m/^\s*(\S+)$/) {
my $pkg = $1;
next if $closure->{$pkg};
next if grep { $pkg eq $_ } @{$self->{excl}};
die "missing ubuntu-minimal package '$pkg'\n";
}
}
if (!$opts->{minimal}) {
$mdeps = $pkginfo->{'ubuntu-standard'}->{depends};
foreach my $d (split (/,/, $mdeps)) {
if ($d =~ m/^\s*(\S+)$/) {
my $pkg = $1;
next if $closure->{$pkg};
next if grep { $pkg eq $_ } @{$self->{excl}};
die "missing ubuntu-standard package '$pkg'\n";
}
}
}
}
# download/cache all files first
$self->cache_packages ($required);
$self->cache_packages ($important);
$self->cache_packages ($standard);
my $rootdir = $self->{rootfs};
# extract required packages first
$self->logmsg ("create basic environment\n");
if ($self->can_usr_merge()) {
$self->setup_usr_merge();
}
my $compressor2opt = {
'zst' => '--zstd',
'gz' => '--gzip',
'xz' => '--xz',
};
my $compressor_re = join('|', keys $compressor2opt->%*);
$self->logmsg ("extract required packages to rootfs\n");
foreach my $p (@$required) {
my $filename = $self->getpkgfile ($p);
my $content = $self->run_command("ar -t '$self->{cachedir}/$filename'", undef, 1);
if ($content =~ m/^(data.tar.($compressor_re))$/m) {
my $archive = $1;
my $tar_opts = "--keep-directory-symlink $compressor2opt->{$2}";
$self->run_command("ar -p '$self->{cachedir}/$filename' '$archive' | tar -C '$rootdir' -xf - $tar_opts");
} else {
die "unexpected error for $p: no data.tar.{xz,gz,zst} found...";
}
}
# fake dpkg status
my $data = "Package: dpkg\n" .
"Version: $pkginfo->{dpkg}->{version}\n" .
"Status: install ok installed\n";
write_file ($data, "$rootdir/var/lib/dpkg/status");
write_file ("", "$rootdir/var/lib/dpkg/info/dpkg.list");
write_file ("", "$rootdir/var/lib/dpkg/available");
$data = '';
foreach my $ss (@{$self->{sources}}) {
my $url = $ss->{source};
my $comp = join (' ', @{$ss->{comp}});
$data .= "deb $url $ss->{suite} $comp\n\n";
}
write_file ($data, "$rootdir/etc/apt/sources.list");
$data = "# UNCONFIGURED FSTAB FOR BASE SYSTEM\n";
write_file ($data, "$rootdir/etc/fstab", 0644);
write_file ("localhost\n", "$rootdir/etc/hostname", 0644);
# avoid warnings about non-existent resolv.conf
write_file ("", "$rootdir/etc/resolv.conf", 0644);
if (lc($suiteinfo->{origin}) eq 'ubuntu' && $suiteinfo->{flags}->{systemd}) {
# no need to configure loopback device
# FIXME: Debian (systemd based?) too?
} else {
$data = "auto lo\niface lo inet loopback\n";
mkdir "$rootdir/etc/network";
write_file ($data, "$rootdir/etc/network/interfaces", 0644);
}
# setup devices
$self->run_command ("tar xzf '$devicetar' -C '$rootdir'");
# avoid warnings about missing default locale
write_file ("LANG=\"C\"\n", "$rootdir/etc/default/locale", 0644);
# fake init
rename ("$rootdir/sbin/init", "$rootdir/sbin/init.org");
$self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
$self->run_command ("cp '$default_env' '$rootdir/sbin/defenv'");
$self->run_command ("lxc-start -n $veid -f $self->{veconffile}");
$self->logmsg ("initialize ld cache\n");
$self->ve_command ("/sbin/ldconfig");
$self->run_command ("ln -sf mawk '$rootdir/usr/bin/awk'");
$self->logmsg ("installing packages\n");
$self->ve_dpkg ('install', 'base-files', 'base-passwd');
$self->ve_dpkg ('install', 'dpkg');
$self->run_command ("ln -sf /usr/share/zoneinfo/UTC '$rootdir/etc/localtime'");
$self->run_command ("ln -sf bash '$rootdir/bin/sh'");
$self->ve_dpkg ('install', 'libc6');
$self->ve_dpkg ('install', 'perl-base');
unlink "$rootdir/usr/bin/awk";
$self->ve_dpkg ('install', 'mawk');
$self->ve_dpkg ('install', 'debconf');
# unpack required packages
foreach my $p (@$required) {
$self->ve_dpkg ('unpack', $p);
}
rename ("$rootdir/sbin/init.org", "$rootdir/sbin/init");
$self->ve_divert_add ("/sbin/init");
$self->run_command ("cp '$fake_init' '$rootdir/sbin/init'");
# disable service activation
$self->ve_divert_add ("/usr/sbin/policy-rc.d");
$data = "#!/bin/sh\nexit 101\n";
write_file ($data, "$rootdir/usr/sbin/policy-rc.d", 755);
# disable start-stop-daemon
$self->ve_divert_add ("/sbin/start-stop-daemon");
$data = <<EOD;
#!/bin/sh
echo
echo \"Warning: Fake start-stop-daemon called, doing nothing\"
EOD
write_file ($data, "$rootdir/sbin/start-stop-daemon", 0755);
# disable udevd
$self->ve_divert_add ("/sbin/udevd");
if ($suite eq 'etch') {
write_file ("NO_START=1\n", "$rootdir/etc/default/apache2"); # disable apache2 startup
}
$self->logmsg ("configure required packages\n");
$self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
# set postfix defaults
if ($mta eq 'postfix') {
$data = "postfix postfix/main_mailer_type select Local only\n";
$self->ve_debconfig_set ($data);
$data = "postmaster: root\nwebmaster: root\n";
write_file ($data, "$rootdir/etc/aliases");
}
if ($suite eq 'jaunty') {
# jaunty does not create /var/run/network, so network startup fails.
# so we do not use tmpfs for /var/run and /var/lock
$self->run_command ("sed -e 's/RAMRUN=yes/RAMRUN=no/' -e 's/RAMLOCK=yes/RAMLOCK=no/' -i $rootdir/etc/default/rcS");
# and create the directory here
$self->run_command ("mkdir $rootdir/var/run/network");
}
# unpack base packages
foreach my $p (@$important) {
$self->ve_dpkg ('unpack', $p);
}
# start loopback
if (-x "$rootdir/sbin/ifconfig") {
$self->ve_command ("ifconfig lo up");
} else {
$self->ve_command ("ip link set lo up");
}
$self->logmsg ("configure important packages\n");
$self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
if (-d "$rootdir/etc/event.d") {
unlink <$rootdir/etc/event.d/tty*>;
}
if (-f "$rootdir/etc/inittab") {
$self->run_command ("sed -i -e '/getty\\s38400\\stty[23456]/d' '$rootdir/etc/inittab'");
}
# Link /etc/mtab to /proc/mounts, so df and friends will work:
unlink "$rootdir/etc/mtab";
$self->ve_command ("ln -s /proc/mounts /etc/mtab");
# reset password
$self->ve_command ("usermod -L root");
if ($mta eq 'postfix') {
$data = "postfix postfix/main_mailer_type select No configuration\n";
$self->ve_debconfig_set ($data);
unlink "$rootdir/etc/mailname";
write_file ($postfix_main_cf, "$rootdir/etc/postfix/main.cf");
}
if (!$opts->{minimal}) {
# unpack standard packages
foreach my $p (@$standard) {
$self->ve_dpkg ('unpack', $p);
}
$self->logmsg ("configure standard packages\n");
$self->ve_command ("dpkg --force-confold --skip-same-version --configure -a");
}
# disable HWCLOCK access
$self->run_command ("echo 'HWCLOCKACCESS=no' >> '$rootdir/etc/default/rcS'");
# disable hald
$self->ve_divert_add ("/usr/sbin/hald");
# disable /dev/urandom init
$self->run_command ("install -m 0755 '$script_init_urandom' '$rootdir/etc/init.d/urandom'");
if ($suite eq 'etch' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
# avoid klogd start
$self->ve_divert_add ("/sbin/klogd");
}
# remove unnecessays sysctl entries to avoid warnings
my $cmd = 'sed';
$cmd .= ' -e \'s/^\(kernel\.printk.*\)/#\1/\'';
$cmd .= ' -e \'s/^\(kernel\.maps_protect.*\)/#\1/\'';
$cmd .= ' -e \'s/^\(fs\.inotify\.max_user_watches.*\)/#\1/\'';
$cmd .= ' -e \'s/^\(vm\.mmap_min_addr.*\)/#\1/\'';
$cmd .= " -i '$rootdir/etc/sysctl.conf'";
$self->run_command ($cmd);
my $bindv6only = "$rootdir/etc/sysctl.d/bindv6only.conf";
if (-f $bindv6only) {
$cmd = 'sed';
$cmd .= ' -e \'s/^\(net\.ipv6\.bindv6only.*\)/#\1/\'';
$cmd .= " -i '$bindv6only'";
$self->run_command ($cmd);
}
if ($suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
# disable tty init (console-setup)
my $cmd = 'sed';
$cmd .= ' -e \'s/^\(ACTIVE_CONSOLES=.*\)/ACTIVE_CONSOLES=/\'';
$cmd .= " -i '$rootdir/etc/default/console-setup'";
$self->run_command ($cmd);
}
if ($suite eq 'intrepid' || $suite eq 'jaunty') {
# remove sysctl setup (avoid warnings at startup)
my $filelist = "$rootdir/etc/sysctl.d/10-console-messages.conf";
$filelist .= " $rootdir/etc/sysctl.d/10-process-security.conf" if $suite eq 'intrepid';
$filelist .= " $rootdir/etc/sysctl.d/10-network-security.conf";
$self->run_command ("rm $filelist");
}
if (-e "$rootdir/lib/systemd/system/sys-kernel-config.mount") {
$self->ve_command ("ln -s /dev/null /etc/systemd/system/sys-kernel-debug.mount");
}
}
sub enter {
my ($self) = @_;
my $veid = $self->{veid};
my $conffile = $self->{veconffile};
my $vestat = $self->ve_status();
if (!$vestat->{exist}) {
$self->logmsg ("Please create the appliance first (bootstrap)");
return;
}
if (!$vestat->{running}) {
$self->run_command ("lxc-start -n $veid -f $conffile");
}
system ("lxc-attach -n $veid --rcfile $conffile --clear-env");
}
sub ve_mysql_command {
my ($self, $sql, $password) = @_;
#my $bootstrap = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
#"--skip-bdb --skip-innodb --skip-ndbcluster";
$self->ve_command ("mysql", $sql);
}
sub ve_mysql_bootstrap {
my ($self, $sql, $password) = @_;
my $cmd;
my $suite = $self->{config}->{suite};
if ($suite eq 'jessie') {
my $rootdir = $self->{rootfs};
$self->run_command ("sed -e 's/^key_buffer\\s*=/key_buffer_size =/' -i $rootdir/etc/mysql/my.cnf");
}
if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie') {
$cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables";
} else {
$cmd = "/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables " .
"--skip-bdb --skip-innodb --skip-ndbcluster";
}
$self->ve_command ($cmd, $sql);
}
sub compute_required {
my ($self, $pkglist) = @_;
my $pkginfo = $self->pkginfo();
my $instpkgs = $self->read_installed ();
my $closure = {};
__record_provides($pkginfo, $closure, [keys $instpkgs->%*]);
return $self->closure ($closure, $pkglist);
}
sub task_postgres {
my ($self, $opts) = @_;
my @supp = ('7.4', '8.1');
my $pgversion; # NOTE: not setting that defaults to the distro default, normally the best choice
my $suite = $self->{config}->{suite};
if ($suite eq 'lenny' || $suite eq 'hardy' || $suite eq 'intrepid' || $suite eq 'jaunty') {
@supp = ('8.3');
$pgversion = '8.3';
} elsif ($suite eq 'squeeze') {
@supp = ('8.4');
$pgversion = '8.4';
} elsif ($suite eq 'wheezy') {
@supp = ('9.1');
$pgversion = '9.1';
} elsif ($suite eq 'jessie') {
@supp = ('9.4');
$pgversion = '9.4';
} elsif ($suite eq 'stretch') {
@supp = ('9.6');
$pgversion = '9.6';
} elsif ($suite eq 'buster') {
@supp = ('11');
$pgversion = '11';
} elsif ($suite eq 'bullseye') {
@supp = ('13');
} elsif ($suite eq 'bookworm') {
# FIXME: update once froozen
@supp = ('13', '14');
}
$pgversion = $opts->{version} if $opts->{version};
my $required;
if (defined($pgversion)) {
die "unsupported postgres version '$pgversion'\n" if !grep { $pgversion eq $_; } @supp;
$required = $self->compute_required (["postgresql-$pgversion"]);
} else {
$required = $self->compute_required (["postgresql"]);
}
$self->cache_packages ($required);
$self->ve_dpkg ('install', @$required);
my $iscript = "postgresql-$pgversion";
if ($suite eq 'squeeze' || $suite eq 'wheezy' || $suite eq 'jessie' ||
$suite eq 'stretch') {
$iscript = 'postgresql';
}
$self->ve_command ("/etc/init.d/$iscript start") if $opts->{start};
}
sub task_mysql {
my ($self, $opts) = @_;
my $password = $opts->{password};
my $rootdir = $self->{rootfs};
my $suite = $self->{config}->{suite};
my $ver = '5.0';
if ($suite eq 'squeeze') {
$ver = '5.1';
} elsif ($suite eq 'wheezy' || $suite eq 'jessie') {
$ver = '5.5';
} else {
die "task_mysql: unsupported suite '$suite'";
}
my $required = $self->compute_required (['mysql-common', "mysql-server-$ver"]);
$self->cache_packages ($required);
$self->ve_dpkg ('install', @$required);
# fix security (see /usr/bin/mysql_secure_installation)
my $sql = "DELETE FROM mysql.user WHERE User='';\n" .
"DELETE FROM mysql.user WHERE User='root' AND Host!='localhost';\n" .
"FLUSH PRIVILEGES;\n";
$self->ve_mysql_bootstrap ($sql);
if ($password) {
my $rpw = $password eq 'random' ? 'admin' : $password;
my $sql = "USE mysql;\n" .
"UPDATE user SET password=PASSWORD(\"$rpw\") WHERE user='root';\n" .
"FLUSH PRIVILEGES;\n";
$self->ve_mysql_bootstrap ($sql);
write_file ("[client]\nuser=root\npassword=\"$rpw\"\n", "$rootdir/root/.my.cnf", 0600);
if ($password eq 'random') {
$self->install_init_script ($script_mysql_randompw, 2, 20);
}
}
$self->ve_command ("/etc/init.d/mysql start") if $opts->{start};
}
sub task_php {
my ($self, $opts) = @_;
my $memlimit = $opts->{memlimit};
my $rootdir = $self->{rootfs};
my $suite = $self->{config}->{suite};
my $base_set = [qw(php-cli libapache2-mod-php php-gd)];
if ($suite =~ /(?:squeeze|wheezy|jessie)$/) {
$self->logmsg("WARN: using EOL php release on EOL suite");
$base_set = [qw(php5 php5-cli libapache2-mod-php5 php5-gd)];
}
my $required = $self->compute_required($base_set);
$self->cache_packages ($required);
$self->ve_dpkg ('install', @$required);
if ($memlimit) {
my $sed_cmd = ['sed', '-e', "s/^\\s*memory_limit\\s*=.*;/memory_limit = ${memlimit}M;/", '-i'];
if ($suite =~ /(?:squeeze|wheezy|jessie)$/) {
push @$sed_cmd, "$rootdir/etc/php5/apache2/php.ini";
} else {
my $found = 0;
for my $fn (glob("'${rootdir}/etc/php/*/apache2/php.ini'")) {
push @$sed_cmd, "$rootdir/$fn";
$found = 1;
}
if (!$found) {
warn "WARN: did not found any php.ini to set the memlimit!\n";
return;
}
}
$self->run_command($sed_cmd);
}
}
sub install {
my ($self, $pkglist, $unpack) = @_;
my $required = $self->compute_required ($pkglist);
$self->cache_packages ($required);
$self->ve_dpkg ($unpack ? 'unpack' : 'install', @$required);
}
sub cleanup {
my ($self, $distclean) = @_;
unlink $self->{logfile};
unlink "$self->{targetname}.tar";
unlink "$self->{targetname}.tar.gz";
$self->ve_destroy ();
unlink ".veid";
rmtree $self->{cachedir} if $distclean && !$self->{config}->{cachedir};
rmtree $self->{infodir};
}
1;