#!/bin/bash -x
+# Copyright (C) 2016 Ian Kelling
+
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+
+# This program is distributed 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 General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
swapn=2
bootn=3
bios_grubn=4
-boot_mib=1500
+boot_mib=4000
##### end configuration
-add-part() {
+add-part() { # add partition suffix to $dev
local d ret
if [[ $# == 1 ]]; then
d=$dev
done
if [[ ! $DISTRO ]]; then
- if ifclass STABLE; then
+ if ifclass STABLE_BOOTSTRAP; then
+ DISTRO=debianstable_bootstrap
+ elif ifclass STRETCH64; then
+ DISTRO=debiantesting
+ elif ifclass STABLE; then
DISTRO=debianstable
+ elif ifclass XENIAL64; then
+ DISTRO=ubuntuxenial
+ elif ifclass BELENOS64; then
+ DISTRO=trisquelbelenos
else
- DISTRO=debiantesting
+ echo "PARTITIONER ERROR: no distro class/var set" >&2
+ exit 1
fi
fi
-
case ${#boot_devs[@]} in
# need double the space if we are raid 10, and then
# might as well give some extra overhead.
swap_end=$(( root_end + swap_mib))
parted -s $dev mklabel gpt
- # gpt ubuntu cloud image uses ~4. fai uses 1 MiB.
- # I read something in the parted manual saying cheap flash media
- # likes to start at 4.
# MiB because parted complains about alignment otherwise.
pcmd="parted -a optimal -s -- $dev"
$pcmd mkpart primary "ext3" 4MiB ${root_end}MiB
$pcmd mkpart primary "linux-swap" ${root_end}MiB ${swap_end}MiB
$pcmd mkpart primary "" ${swap_end}MiB ${disk_mib}MiB
+ # gpt ubuntu cloud image uses ~4. fai uses 1 MiB.
+ # I read something in the parted manual saying cheap flash media
+ # likes to start at 4.
$pcmd mkpart primary "" 1MiB 4MiB
$pcmd set $bios_grubn bios_grub on
$pcmd set $bootn boot on # generally not needed on modern systems
cryptsetup luksOpen `rootdev` `root-cryptname` \
--key-file $luks_dir/host-$HOSTNAME
done
- ls -la /dev/btrfs-control
+ ls -la /dev/btrfs-control # this was probably for debugging...
sleep 1
bpart $(for dev in ${devs[@]}; do root-cryptdev; done)
bpart ${boot_devs[@]}
sleep 1
fi
-mount -o subvolid=0 $first_root_crypt /mnt
-# systemd creates subvolumes we want to delete.
-s=($(btrfs subvolume list --sort=-path /mnt |
- sed -rn "s#^.*path\s*(root_$DISTRO/\S+)\s*\$#\1#p"))
-for subvol in ${s[@]}; do btrfs subvolume delete /mnt/$subvol; done
-btrfs subvolume set-default 0 /mnt
-[[ ! -e /mnt/root_$DISTRO ]] || btrfs subvolume delete /mnt/root_$DISTRO
-## create subvols ##
-cd /mnt
-btrfs subvolume create root_$DISTRO
-[[ -e q ]] || btrfs subvolume create q
-chown root:1000 q
-
-mkdir -p /mnt/root_$DISTRO/boot
-for x in q/a q/i; do
- mkdir -p $x
- chown 1000:1000 $x
- chmod 755 $x
-done
-# could set default like this, but no reason to.
-# btrfs subvolume set-default \
- # $(btrfs subvolume list . | grep "root_$DISTRO$" | awk '{print $2}') .
-chattr -Rf +C root_$DISTRO
-cd /
-umount /mnt
+if [[ $DISTRO != debianstable_bootstrap ]]; then
+ # bootstrap distro doesn't use separate encrypted root.
+ mount -o subvolid=0 $first_root_crypt /mnt
+ # systemd creates subvolumes we want to delete.
+ s=($(btrfs subvolume list --sort=-path /mnt |
+ sed -rn "s#^.*path\s*(root_$DISTRO/\S+)\s*\$#\1#p"))
+ for subvol in ${s[@]}; do btrfs subvolume delete /mnt/$subvol; done
+ btrfs subvolume set-default 0 /mnt
+ [[ ! -e /mnt/root_$DISTRO ]] || btrfs subvolume delete /mnt/root_$DISTRO
+
+ ## create subvols ##
+ cd /mnt
+
+ btrfs subvolume create root_$DISTRO
+ [[ -e q ]] || btrfs subvolume create q
+ chown root:1000 q
+
+ mkdir -p /mnt/root_$DISTRO/boot
+ for x in q/a q/i; do
+ mkdir -p $x
+ chown 1000:1000 $x
+ chmod 755 $x
+ done
+ # could set default like this, but no reason to.
+ # btrfs subvolume set-default \
+ # $(btrfs subvolume list . | grep "root_$DISTRO$" | awk '{print $2}') .
+
+ # no cow on the root filesystem. it's setup is fully scripted,
+ # (immutable in buzzwords). if it messes up, we will just recreated it,
+ # and we can get better perf with this.
+ # I can't remember exactly why, but this is preferable to mounting with
+ # -o nodatacow, I think because subvolumes inherit that.
+ chattr -Rf +C root_$DISTRO
+ cd /
+ umount /mnt
+fi
+
mount -o subvolid=0 $first_boot_dev /mnt
cd /mnt
btrfs subvolume set-default 0 /mnt
-[[ ! -e /mnt/boot_$DISTRO ]] || btrfs subvolume delete /mnt/boot_$DISTRO
-btrfs subvolume create boot_$DISTRO
+
+# for libreboot systems
+mkdir -p /mnt/grub2
+cat >/mnt/grub2/libreboot_grub.cfg <<'EOF'
+#!/bin/sh
+# shebang is for editor file mode detection only
+
+if [ -s $prefix/grubenv ]; then
+ load_env
+fi
+
+set default="0"
+set timeout=1
+
+menuentry debianstable_bootstrap {
+ configfile /$1/boot/grub/grub.cfg
+}
+
+for dir in /boot_*; do
+ if [ x$dir = x$default_subvol ]; then
+ default=default_id
+ menuentry $dir --id=default_id {
+ configfile $1/grub/grub.cfg
+ }
+ else
+ menuentry $dir {
+ configfile $1/grub/grub.cfg
+ }
+ fi
+done
+EOF
+
+if [[ $DISTRO == debianstable_bootstrap ]]; then
+ # this is just convenience for the libreboot_grub config
+ # so we can glob the other ones easier.
+ boot_vol=$DISTRO
+else
+ boot_vol=boot_$DISTRO
+fi
+[[ ! -e /mnt/$boot_vol ]] || btrfs subvolume delete /mnt/$boot_vol
+btrfs subvolume create $boot_vol
cd /
umount /mnt
## end create subvols ##
-# note, the mount point /a seems to get automatically created somewhere
-cat > /tmp/fai/fstab <<EOF
+if [[ $DISTRO == debianstable_bootstrap ]]; then
+ cat > /tmp/fai/fstab <<EOF
+$first_boot_dev / btrfs noatime,subvol=$boot_vol 0 0
+EOF
+ cat >/tmp/fai/disk_var.sh <<EOF
+BOOT_DEVICE="${short_devs[@]}"
+ROOT_PARTITION=$first_boot_dev
+EOF
+else
+ # note, the mount point /a seems to get automatically created somewhere
+ cat > /tmp/fai/fstab <<EOF
$first_root_crypt / btrfs noatime,subvol=root_$DISTRO 0 0
$first_root_crypt /q btrfs noatime,subvol=q 0 0
/q/a /a none bind 0 0
-$first_boot_dev /boot btrfs noatime,subvol=boot_$DISTRO 0 0
+$first_boot_dev /boot btrfs noatime,subvol=$boot_vol 0 0
EOF
-
-if ifclass treetowl; then
- cat >> /tmp/fai/fstab <<'EOF'
+ # I will avoid using uuid in the future. the other way of specifying is simpler
+ if ifclass treetowl; then
+ cat >> /tmp/fai/fstab <<'EOF'
+$first_root_crypt /i btrfs noatime,subvol=i 0 0
UUID=3f7b31cd-f299-40b4-a86b-7604282e2715 /i btrfs noatime 0 2
EOF
-fi
-
-if ifclass frodo; then
- cat >> /tmp/fai/fstab <<'EOF'
-/q/i /i none bind 0 0
-EOF
-fi
+ fi
-swaps=()
-for dev in ${devs[@]}; do
- swaps+=(`swap-cryptname`)
- cat >>/tmp/fai/crypttab <<EOF
+ swaps=()
+ for dev in ${devs[@]}; do
+ swaps+=(`swap-cryptname`)
+ cat >>/tmp/fai/crypttab <<EOF
`root-cryptname` `rootdev` none keyscript=/root/keyscript,discard,luks
`swap-cryptname` `swapdev` /dev/urandom swap,cipher=aes-xts-plain64,size=256,hash=ripemd160
EOF
- cat >> /tmp/fai/fstab <<EOF
+ cat >> /tmp/fai/fstab <<EOF
`swap-cryptdev` none swap sw 0 0
EOF
-done
-
-# fai would do this:
-#BOOT_DEVICE=\${BOOT_DEVICE:-"${devs[0]}"}
+ done
-# swaplist seems to do nothing.
+ # fai would do this:
+ #BOOT_DEVICE=\${BOOT_DEVICE:-"${devs[0]}"}
-cat >/tmp/fai/disk_var.sh <<EOF
+ # note: swaplist seems to do nothing.
+ cat >/tmp/fai/disk_var.sh <<EOF
+BOOT_DEVICE="${short_devs[@]}"
+BOOT_PARTITION=\${BOOT_PARTITION:-$first_boot_dev}
# ROOT_PARTITIONS is added by me, used in arch setup.
ROOT_PARTITIONS="${root_devs[@]}"
ROOT_PARTITION=\${ROOT_PARTITION:-$first_root_crypt}
-BOOT_PARTITION=\${BOOT_PARTITION:-$first_boot_dev}
-BOOT_DEVICE="${short_devs[@]}"
SWAPLIST=\${SWAPLIST:-"${swaps[@]}"}
EOF
+fi
iankelling.org / git / automated-distro-installer / blobdiff