#!/bin/bash

echo "Building base image"

. $PWD/scripts/function.sh

[ `id -u` -eq 0 ] || die "You must be root to run $0"

check_commands debootstrap mkfs.ext3 partprobe qemu-img qemu-nbd sfdisk

# additional packages
EXTRAS=build-essential,gperf,libgmp-dev,libldap2-dev,libcurl4-openssl-dev,libxml2-dev,libtspi-dev,libsqlite3-dev,openssh-server,tcpdump,psmisc,openssl,vim,sqlite3,conntrack,gdb,cmake,libxerces-c2-dev,libltdl-dev,liblog4cxx10-dev,libboost-thread-dev,libboost-system-dev,git-core
SERVICES="isc-dhcp-server apache2 slapd"
PACKAGES=$EXTRAS,${SERVICES// /,}

CACHEDIR=$BUILDDIR/cache
APTCACHE=$LOOPDIR/var/cache/apt/archives

mkdir -p $LOOPDIR
mkdir -p $BUILDDIR
mkdir -p $CACHEDIR
rm -f $ROOTFS

echo "`date`, building $ROOTFS" >>$LOGFILE

load_qemu_nbd

log_action "Creating image $ROOTFS"
execute "qemu-img create -f qcow2 $ROOTFS ${ROOTFSSIZE}M"

log_action "Connecting image to NBD device $NBDEV"
execute "qemu-nbd -c $NBDEV $ROOTFS"
do_on_exit qemu-nbd -d $NBDEV

log_action "Partitioning disk"
sfdisk /dev/nbd0 -D -uM >>$LOGFILE 2>&1 << EOF
;
EOF
if [ $? != 0 ]
then
	log_status 1
	exit 1
else
	log_status 0
fi
partprobe $NBDEV

log_action "Creating ext3 filesystem"
execute "mkfs.ext3 $NBDPARTITION"

log_action "Mounting $NBDPARTITION to $LOOPDIR"
execute "mount $NBDPARTITION $LOOPDIR"
do_on_exit graceful_umount $LOOPDIR

log_action "Using $CACHEDIR as archive for apt"
mkdir -p $APTCACHE
execute "mount -o bind $CACHEDIR $APTCACHE"
do_on_exit graceful_umount $APTCACHE

log_action "Running debootstrap ($ROOTFSSUITE, $ROOTFSARCH)"
execute "debootstrap --arch=$ROOTFSARCH --include=$PACKAGES $ROOTFSSUITE $LOOPDIR $ROOTFSMIRROR"

for service in $SERVICES
do
	log_action "Stopping service $service"
	execute_chroot "/etc/init.d/$service stop"
	log_action "Disabling service $service"
	execute_chroot "update-rc.d -f $service remove"
done

log_action "Disabling root password"
execute_chroot "passwd -d root"