#!/bin/sh
#
# Copyright (C) 2015 Univention GmbH
#
# http://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
#
# In the case you use this program under the terms of the GNU AGPL V3,
# the program is provided in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
# <http://www.gnu.org/licenses/>.

set -x

# Get device
partition_device="$1"

# Set partition sizes for LVM
swap_lvm_size="-L2G"
root_lvm_size="-L30G"
home_lvm_size="-l100%FREE"

plymouth --ping && plymouth message --text="Starting partitioning with script simple_partition.example"

# remove lvms
lvm vgchange -an
lvm pvdisplay | sed -n 's/ *PV Name *//p' > /tmp/pvs
while read line; do
	lvm pvremove -ff -y $line
done < /tmp/pvs

# Create GPT
parted --script "${partition_device}" mklabel GPT

# Create msdos partition table
#parted --script "${partition_device}" mklabel msdos

# Create partitions
parted --script --align optimal "${partition_device}" mkpart primary 0% 1MB # BIOS boot
parted --script "${partition_device}" set 1 bios_grub on
parted --script --align optimal "${partition_device}" mkpart primary 1MB 500MB # /boot
parted --script --align optimal "${partition_device}" mkpart primary 500MB 100% # LVM
 
# Create PV
lvm pvcreate "${partition_device}"3
 
# Create volume group
lvm vgcreate vg_ucc "${partition_device}"3
 
# Create swap
lvm lvcreate ${swap_lvm_size} -n swap vg_ucc
mkswap /dev/mapper/vg_ucc-swap

# Create  /
lvm lvcreate ${root_lvm_size} -n rootfs vg_ucc
mkfs.ext4 -q /dev/mapper/vg_ucc-rootfs

# Create /home
lvm lvcreate ${home_lvm_size} -n home vg_ucc
mkfs.ext4 -q -m0 /dev/mapper/vg_ucc-home
 
# Create boot filesystem
/sbin/mkfs.ext4 -q "${partition_device}2"

# Mount the root filesystem
mkdir -p /ucc_tmp/root
mount /dev/mapper/vg_ucc-rootfs /ucc_tmp/root

# Mark device as root device
touch /ucc_tmp/root/ucc_root_device

# Create fstab file
echo "/dev/loop0    /   ext4   errors=remount-ro   0   1" >>/ucc_tmp/fstab
echo "${partition_device}2     /boot ext4 defaults    0   2" >>/ucc_tmp/fstab
echo "/dev/mapper/vg_ucc-swap    swap    swap    0    0" >>/ucc_tmp/fstab
echo "/dev/mapper/vg_ucc-home    /home    ext4    defaults    0    2" >>/ucc_tmp/fstab

# Mark /boot in order to copy files from the image to the partition
echo "${partition_device}2 ext4 /boot" >> /ucc_tmp/root/copy_files

exit 0