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lib/Arepa/Builder/Sbuild.pm  view on Meta::CPAN

package Arepa::Builder::Sbuild;

use strict;
use warnings;

use English qw(-no_match_vars);
use Carp;
use Cwd;
use File::chmod;
use File::Temp;
use File::Basename;
use File::Path;
use File::Find;
use File::Copy;
use Config::Tiny;
use YAML::Syck;

use Arepa;

use base qw(Arepa::Builder);

my $schroot_config = undef;

sub _get_schroot_conf {
    my ($self) = @_;

    if (!defined $schroot_config) {
        my $content = "";
        for my $path ('/etc/schroot/schroot.conf', glob('/etc/schroot/chroot.d/*')) {
            if (open F, $path) {
                $content .= join("", <F>) . "\n";
                close F;
            }
            else {
                print STDERR "Ignoring file '$path': couldn't read\n";
            }
        }
        $schroot_config = Config::Tiny->read_string($content);
    }

    return $schroot_config;
}

sub ensure_file_exists {
    my ($self, $path) = @_;

    unless (-e $path) {
        open F, ">$path" or croak "Couldn't create file '$path'\n";
        close F;
    }
}

sub builder_exists {
    my ($self, $builder_name) = @_;

    return (defined $self->_get_schroot_conf->{$builder_name});
}

sub get_builder_directory {
    my ($self, $builder_name) = @_;

    if ($self->builder_exists($builder_name)) {
        return $self->_get_schroot_conf->{$builder_name}->{directory};
    }
    else {
        croak "Can't find schroot information for builder '$builder_name'\n";
    }
}

lib/Arepa/Builder/Sbuild.pm  view on Meta::CPAN

        $extra_opts .= " --arch $opts{arch}";
    }
    my $debootstrap_cmd = "debootstrap --variant=buildd $extra_opts " .
                            "$distribution '$builder_dir' $mirror";
    my $r = system($debootstrap_cmd);
    if ($r != 0) {
        print STDERR "Error executing debootstrap: error code $r\n";
        print STDERR $debootstrap_cmd, "\n";
        unlink $schroot_file;
        exit 1;
    }

    # Create appropriate /etc/apt/sources.list
    $self->ui_module->print_title("Creating default sources.list");
    open SOURCESLIST, ">$builder_dir/etc/apt/sources.list" or
        do {
            print STDERR "Couldn't write to /etc/apt/sources.list";
            exit 1;
        };
    print SOURCESLIST <<EOSOURCES;
deb $mirror $distribution main
deb http://localhost/arepa/repository $distribution main
deb-src http://localhost/arepa/repository $distribution main
EOSOURCES
    close SOURCESLIST;

    # Making sure /etc/hosts includes localhost
    $self->ui_module->print_title("Checking /etc/hosts");
    my $full_etc_hosts_path = "$builder_dir/etc/hosts";
    $self->ensure_file_exists($full_etc_hosts_path);
    if (open F, $full_etc_hosts_path) {
        my $contents = join("", <F>);
        close F;
        if (! grep /localhost/, $contents) {
            if (open F, ">$full_etc_hosts_path") {
                print F $contents, "\n";
                print F "127.0.0.1\tlocalhost\n";
                close F;
            }
            else {
                print STDERR "Couldn't update $full_etc_hosts_path\n";
            }
        }
    }
    else {
        print STDERR "Couldn't check for a 'localhost' alias in $full_etc_hosts_path\n";
    }

    # Make sure certain directories exist and are writable by the 'sbuild'
    # group
    $self->ui_module->print_title("Creating build directories");
    my ($login, $pass, $uid, $gid) = getpwnam($Arepa::AREPA_MASTER_USER);
    if (!defined $login) {
        croak "'" . $Arepa::AREPA_MASTER_USER . "' user doesn't exist!";
    }
    foreach my $dir (qw(build var/lib/sbuild var/lib/sbuild/srcdep-lock)) {
        my $full_path = "$builder_dir/$dir";
        unless (-d $full_path) {
            mkpath $full_path;
            find({ wanted => sub {
                        chmod("g+w", $File::Find::name);
                        chown $uid, $gid, $File::Find::name;
                   },
                   follow => 0 },
                 $full_path);
        }
    }

    $self->ui_module->print_title("Binding files");
    Arepa::Builder::Sbuild->init($builder_name);

    $self->ui_module->print_title("Updating package list");
    my $update_cmd = "chroot '$builder_dir' apt-get update";
    system($update_cmd);

    $self->ui_module->print_title("Installing build-essential and fakeroot");
    my $install_cmd = "chroot '$builder_dir' apt-get -y --force-yes install " .
                                                "build-essential fakeroot";
    return system($install_cmd);
}

1;

__END__

=head1 AUTHOR

Esteban Manchado Velázquez <estebanm@opera.com>.

=head1 LICENSE AND COPYRIGHT

This code is offered under the Open Source BSD license.

Copyright (c) 2010, Opera Software. All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

=over 4

=item

Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.

=item

Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.

=item

Neither the name of Opera Software nor the names of its contributors may
be used to endorse or promote products derived from this software without
specific prior written permission.

=back

=head1 DISCLAIMER OF WARRANTY