#!/bin/sh

# Vars
## Define the hard drive to use
if [ -b '/dev/sda' ]; then
	hdd="/dev/sda"
else
	printf '%b\n' "Please check the hard drive to use"
	exit 0
fi
## Volume Group name to use for LVM
vgname="ovhsys"
## If the script should manage the partitions (delete, add,…)
manage_part=0

# Partitionning {{{
if [ "${manage_part}" -eq 0 ]; then
	## Remove all old partitions
	for part_number in 1 2 3 4 5 6 7 8; do
		[ -b "${hdd}""${part_number}" ] && parted "${hdd}" rm "${part_number}"
	done

	## Recreate partition (/boot and LV) {{{
	### Partition type
	parted "${hdd}" mklabel msdos
	### /boot
	parted "${hdd}" mkpart primary 0% 512MB
	parted "${hdd}" set 1 boot on
	### LV
	parted "${hdd}" mkpart primary 4194kB 100%
	parted "${hdd}" set 2 lvm on
	sudo pvcreate "${hdd}"2
	sudo vgcreate "${vgname}" ${hdd}2
fi

## }}}
## Create Logical Volumes {{{
[ ! -b /dev/mapper/"${vgname}"-home ] && lvcreate -n home -L 20g  "${vgname}"
[ ! -b /dev/mapper/"${vgname}"-opt  ] && lvcreate -n opt  -L 2g   "${vgname}"
[ ! -b /dev/mapper/"${vgname}"-root ] && lvcreate -n root -L 5g   "${vgname}"
[ ! -b /dev/mapper/"${vgname}"-srv  ] && lvcreate -n srv  -L 2g   "${vgname}"
[ ! -b /dev/mapper/"${vgname}"-tmp  ] && lvcreate -n tmp  -L 10g  "${vgname}"
[ ! -b /dev/mapper/"${vgname}"-usr  ] && lvcreate -n usr  -L 15g  "${vgname}"
[ ! -b /dev/mapper/"${vgname}"-var  ] && lvcreate -n var  -L 10g  "${vgname}"
[ ! -b /dev/mapper/"${vgname}"-vz   ] && lvcreate -n vz   -L 150g "${vgname}"
[ ! -b /dev/mapper/"${vgname}"-bkp  ] && lvcreate -n bkp  -L 150g "${vgname}"
[ ! -b /dev/mapper/"${vgname}"-swap ] && lvcreate -n swap -L 2g   "${vgname}"

### Format the LV in ext4
for lvname in /dev/mapper/"${vgname}"-*; do
	mkfs.ext4 -F "${lvname}"
done

### And format the swap
mkswap /dev/mapper/"${vgname}"-swap
## }}}
# }}}