From b912aafc1428bb248ca43cc0dedce5e942092790 Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Thu, 10 Oct 2013 05:24:13 +0200
Subject: Set up the fstab.

---
 partition.sh | 114 +++++++++++++++--------------------------------------------
 1 file changed, 28 insertions(+), 86 deletions(-)

diff --git a/partition.sh b/partition.sh
index 1618aec..1a33e02 100755
--- a/partition.sh
+++ b/partition.sh
@@ -4,41 +4,19 @@ set -ue
 
 . /lib/fripost-partman/base.sh
 
-dev=/dev/sda
-fripost_wipe $dev
+device=/dev/sda
+fripost_wipe $device
 
-grain=$(( 256*32 ))
-offset=`cat /sys/block/${dev#/dev/}/alignment_offset`
-bs=`cat /sys/block/${dev#/dev/}/queue/physical_block_size`
+/sbin/parted -s $device mklabel gpt
+log "Created disklabel GPT for device $device"
 
-if [ $offset -eq 0 ]; then
-    offset=64
-else
-    offset=$(( $offset / $bs ))
-fi
+[ -d /proc/efi -o -d /sys/firmware/efi ] && \
+    part_uefi=$( fripost_mkpart $device uefi 256M +boot )
 
-parted            -sm $dev mklabel gpt
-# All offset2's must be multiple of 256*32 = 8192
-if [ -d /proc/efi ] || [ -d /sys/firmware/efi ]; then
-    offset2=$(( 256 * 1024**2 / $bs ))
-    offset2=$(( $offset2 - $offset2 % $grain ))
-    parted -a minimal -sm $dev mkpart uefi ${offset}s $(( $offset2 - 1 ))s
-    offset=$offset2
-    offset2=$(( $offset + 64 * 1024**2 / $bs ))
-    offset2=$(( $offset2 - $offset2 % $grain ))
-    parted -a minimal -sm $dev mkpart boot ${offset}s $(( $offset2 - 1))s
-    parted -sm $dev set 1 boot on
-else
-    offset2=$(( 64 * 1024**2 / $bs ))
-    parted -a minimal -sm $dev mkpart boot ${offset}s $(( $offset2 - 1))s
-fi
-offset=$offset2
-offset2=$(( `cat /sys/block/${dev#/dev/}/size` - 1 ))
-offset2=$(( $offset2 - $offset2 % $grain ))
-parted -a optimal -sm $dev mkpart system ${offset}s $(( $offset2 - 1))s
-system=${dev}$(parted -sm $dev p | grep -m 1 '^[1-9][0-9]*:.*:system:[^:]*;$' | sed 's/:.*//')
-parted -sm $dev align-check opt ${system#$dev}
-#parted -sm $dev set ${system#$dev} lvm on
+part_boot=$( fripost_mkpart $device boot 64M )
+part_system=$( fripost_mkpart $device system 100% ) #+lvm
+/sbin/parted -s $device align-check opt ${part_system#$device} \
+    || fatal "$part_system is not aligned"
 
 # Choose the key length and digest depending on the architecture
 # we're on; we use AES128 and SHA-256 on 32-bits platforms, and
@@ -52,67 +30,31 @@ elif [ x"$arch" = x"i386" -o x"$arch" = x"i686" ]; then
     hash=sha256
 fi
 # Note: XTS requires the key size to be doubled.
-fripost_encrypt $system system_crypt \
-    --align-payload $grain \
+fripost_encrypt $part_system system_crypt \
     --cipher aes-xts-plain64 --key-size $(( $keysize * 2 )) --hash $hash \
     --iter-time 5000 --use-random
 
 
+vg=$(hostname)
 pvcreate -ff -y /dev/mapper/system_crypt
-vgcreate eilift /dev/mapper/system_crypt
-
-lvcreate -L 5G       -n root eilift
-lvcreate -L 1G       -n swap eilift
-lvcreate -l 100%FREE -n home eilift
-vgchange -ay eilift
-
-mkfs.ext2 /dev/sda1
-mkfs.ext4 /dev/eilift/root
-mkfs.ext4 /dev/eilift/home
-
-mkdir -p /target/proc
-mkdir -p /target/cdrom
+vgcreate $vg    /dev/mapper/system_crypt
 
-cat > /tmp/fstab <<EOF
-# /etc/fstab: static file system information.
-#
-# <file system> <mount point>   <type>      <options>       <dump>  <pass>
-proc            /proc           proc        defaults        0       0
-# TODO: ^ is that needed?
-/dev/cdrom      /cdrom          iso9660,udf ro,user,noauto  0       0
-# TODO: ^ remove
-EOF
-mkdir -p /target/
-mount -t ext4 /dev/eilift/root /target/
-echo /dev/eilift/root / ext4 noatime,errors=remount-ro 0 1 >> /tmp/fstab
-mkdir -p /target/home
-mount -t ext4 /dev/eilift/home /target/home/
-echo /dev/eilift/home /home/ ext4 noatime 0 2 >> /tmp/fstab
-mkdir -p /target/boot
-mount -t ext2 /dev/sda1 /target/boot/
-echo /dev/sda1 /boot/ ext2 noatime 0 2 >> /tmp/fstab
+lvcreate -L 5G       -n root $vg
+lvcreate -L 1G       -n swap $vg
+lvcreate -l 100%FREE -n home $vg
+vgchange -ay $vg
 
-mkswap /dev/eilift/swap
-swapon /dev/eilift/swap
-echo "/dev/eilift/swap none swap sw 0 0" >> /tmp/fstab
 
-mkdir -p /target/etc
-cp /tmp/fstab /target/etc/fstab
+# Format the partitions
+mkfs.ext2 -q -E resize=512M -m1 -b 4096 $part_boot
+mkfs.ext4 -q                    -b 4096 /dev/$vg/root
+mkfs.ext4 -q                    -b 4096 /dev/$vg/home
+mkswap                                  /dev/$vg/swap
 
-# functions:
-#   parted
-#     - aligned ([+]256MB)
-#   cryptsetup ...
-#     - set up SSH daemon
-#     - /sbin/cryptsetup -q ... --key-file="$keyfile" luksFormat $system
-#     - /sbin/cryptsetup -q     --key-file="$keyfile" luksOpen   $system system_crypt
-#   pvcreate
-#   vgcreate
-#   vgchange
-#   mkfs -t type [fs-options] device
-#   mount -t vfstype [-o options] device dir
-#     - create mountpoint
-#     - add entry to fstab
-#     - mount
 
-#+ logs!
+# Stuff the fstab and mount the devices in the target
+fripost_fstab $part_boot    /boot ext2 noatime
+fripost_fstab /dev/$vg/root /     ext4 noatime,errors=remount-ro
+fripost_fstab /dev/$vg/swap none  swap sw
+fripost_fstab /dev/$vg/home /home ext4 noatime
+fripost_mount_partitions
-- 
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