Partition %pre script

partfile.sh

#!/bin/bash

partfile=/tmp/partitionfile
disks="sda sdb sdc sdd sde sdf sdg sdh"
i=0
rm -rf ${partfile}
touch ${partfile}

for disk in `echo ${disks}`
do
  efipart=${i}
  [[ ${i} -eq 0 ]] && efipart=""

  dd if=/dev/zero of=/dev/${disk} bs=512 count=1

  parted -s /dev/${disk} mklabel gpt

  parted -s /dev/${disk} mkpart primary 1MiB 100MiB
  parted -s /dev/${disk} set 1 boot on
  parted -s /dev/${disk} mkpart primary 100MiB 600MiB
  parted -s /dev/${disk} set 2 raid on
  parted -s /dev/${disk} mkpart primary 600MiB 51800MiB
  parted -s /dev/${disk} set 3 raid on
  parted -s /dev/${disk} mkpart primary 51800MiB 100%

cat >> ${partfile} << EOF
part /boot/efi${efipart} --fstype=vfat --onpart=/dev/${disk}1
part raid.0${i} --onpart=/dev/${disk}2
part raid.1${i} --onpart=/dev/${disk}3
EOF

  (( i++ ))
done

cat >> ${partfile} << EOF
raid /boot      --fstype=ext4 --device=md0 --level=1 --spares=6 raid.00 raid.01 raid.02 raid.03 raid.04 raid.05 raid.06 raid.07
raid pv.1       --fstype=ext4 --device=md1 --level=5 --spares=1 raid.10 raid.11 raid.12 raid.13 raid.14 raid.15 raid.16 raid.17

volgroup system --pesize=4096 pv.1

logvol /    --name=root --vgname=system --size=20480 --fstype=ext4
logvol swap --name=swap --vgname=system --size=8192
logvol /var --name=var  --vgname=system --size=40960 --fstype=ext4
EOF