package config;

use warnings;
use strict;
use autodie;

use server;
use pxelinux;
use client;
use file;

use File::Slurp;

our $mounted;

sub available { qw/debian_live webconverger debirf tinycore nfsroot/ };

sub debian_live {
	my ($ip) = @_;

	upstream::files( qw{
		http://cdimage.debian.org/cdimage/release/current-live/i386/web/
		vmlinuz1
		initrd1.img
		debian-live-501-i386-standard.squashfs
	});

	my $hostname = client::conf( $ip => 'hostname' ) || 'debian-live';

	pxelinux::config_for_ip( $ip, qq{

default debian_live
label debian_live
	kernel vmlinuz1
	append initrd=initrd1.img fetch=http://${server::ip}:7777/debian_live/debian-live-501-i386-standard.squashfs boot=live nopersistent hostname=$hostname union=aufs
	});

}

use upstream;

=head1 webconverger

Webconverger - the opensource Web Kiosk

L<http://webconverger.org/>

=cut

sub webconverger {
	my ($ip) = @_;

	$mounted->{"webconverger/$ip"} ||= upstream::iso( 'http://download.webconverger.com/webc-5.2.iso' );

	my $homepage = client::conf( $ip => 'homepage', default => "http://${server::ip}:7777/client" );
	my $hostname = client::conf( $ip => 'hostname' ) || 'webconverger';

	pxelinux::config_for_ip( $ip, qq{

default webconverger
label webconverger
	kernel iso/live/vmlinuz-2.6.30-backports.1-486
	append initrd=iso/live/initrd.img-2.6.30-backports.1-486 fetch=http://${server::ip}:7777/webconverger/iso/live/filesystem.squashfs boot=live quiet nosudo splash video=vesa:ywrap,mtrr vga=788 nopersistent username=webc hostname=$hostname union=aufs homepage=$homepage locale=hr

	});

}

=head1 debirf

debirf is a system that will create diskless, all-in-ram images (kernel and initramfs) that boot entirely into ram and leave the user in a fully functional Debian system. 

L<http://cmrg.fifthhorseman.net/wiki/debirf>

=cut

sub debirf {
	my $ip = shift;

	upstream::iso( 'http://cmrg.mayfirst.org/debirf/debirf-rescue_lenny_2.6.26-1-686.iso' );

	pxelinux::config_for_ip( $ip, qq{

default linux
label linux
	kernel iso/vmlinuz-2.6.26-1-686
	append initrd=iso//debirf-rescue_lenny_2.6.26-1-686.cgz

	});
}

sub tinycore {
	my $ip = shift;
	upstream::iso( 'http://distro.ibiblio.org/pub/linux/distributions/tinycorelinux/2.x/release/tinycore_2.2.iso' );
	pxelinux::config_for_ip( $ip, qq{

default linux
label linux
	kernel iso/boot/bzImage
	append initrd=iso/boot/tinycore.gz

	});
}

sub in_chroot {
	my ( $dir, $command ) = @_;
	write_file "$dir/tmp/inside.sh", $command;
	system "sudo chroot $dir sh -x /tmp/inside.sh";
}

sub nfsroot {
	my $ip = shift || die "no ip?";

	my $nfsroot = "$server::base_dir/tftp/nfsroot";
	my $debian_mirror = server::conf_default( 'debian_mirror', 'http://ftp.debian.org/debian' );

	if ( ! -e $nfsroot ) {
		system "sudo apt-get install nfs-kernel-server debootstrap aufs-modules-`uname -r` aufs-tools";
		mkdir $nfsroot;
	}

	my $debootstrap = "$nfsroot/debootstrap";

	if ( ! -e $debootstrap ) {

		system "sudo debootstrap --arch i386 lenny $debootstrap $debian_mirror";

		file::append "$debootstrap/etc/kernel-img.conf", "do_initrd = Yes\n" &&
		in_chroot     $debootstrap => 'apt-get install -y --force-yes atl2-modules-2.6-686';
		in_chroot     $debootstrap => 'apt-get -f install -y --force-yes locales';	# linux-image-2.6-686

		file::append "$debootstrap/etc/initramfs-tools/modules", "atl2\n";
		file::change("$debootstrap/etc/initramfs-tools/initramfs.conf",  'BOOT=local' => 'BOOT=nfs' ) &&
		in_chroot     $debootstrap => 'update-initramfs -u';

	}

	my $export = "$nfsroot/$ip";
	my $br     = "$nfsroot/br/$ip";

	$mounted->{"nfsroot/$ip"} ||= `mount | grep $export`;

	if ( ! $mounted->{"nfsroot/$ip"} ) {
		warn "mounting $export";

		mkdir "$nfsroot/br"	unless -e "$nfsroot/br";
		mkdir $br			unless -e $br;
		mkdir $export		unless -e $export;

		system "sudo mount -t aufs -o br:$br:$debootstrap none $export";
		system "sudo exportfs -i -o rw,async,no_root_squash,no_subtree_check,fsid=999 $ip:$export";
	
	}

	my $hostname = client::conf( $ip => 'hostname' ) || 'nfsroot';
	file::replace "$export/etc/hostname", $hostname;
	file::replace "$export/etc/hosts", "127.0.0.1\tlocalhost $hostname\n";
	file::replace "$export/etc/resolv.conf", "domain $server::domain_name\nnameserver $server::ip\n";
	file::replace "$export/etc/rsyslog.d/pxelator.conf", "*.*\t\@$server::ip\n";

	file::append "$debootstrap/etc/network/interfaces", qq{

auto lo
iface lo inet loopback

allow-hotplug eth0
iface eth0 inet dhcp

	};

	map {
		file::copy_once $_ => "$export/$_";
		file::append "$export/etc/rc.local", $_;
	} ( '/srv/sysadmin-cookbook/recepies/amt/serial-console.sh' );

	pxelinux::config_for_ip( $ip, qq{

default nfsroot
label nfsroot
	kernel debootstrap/vmlinuz
	append initrd=debootstrap/initrd.img root=/dev/nfs nfsroot=$server::ip:$export ro ip=dhcp

	});
}

sub for_ip {
	my $ip = shift || return;
	my $deploy = client::conf( $ip => 'deploy' ) || return;
	eval $deploy . '($ip)';
#	$tftp::dir = "$server::base_dir/tftp/$pxelinux::path_prefix";
}

warn 'loaded';

1;
