# # fai's setup-storage won't do btrfs on luks,
# # so we do it ourself :)
+skiptask partition ||: # for running out of fai
#### begin configuration
+
+bootn=1
+swapn=2
+rootn=3
+bios_grubn=4
+boot_end=804
+lastn=$bios_grubn
+
if ifclass VM; then
d=vd
else
d=sd
fi
-
+letters=()
if ifclass TWO_DISK; then
letters=(a b)
elif ifclass ONE_DISK; then
letters=(a)
+elif ifclass MANY_DISK; then
+ for dev in /dev/${d}?; do letters+=(${dev#/dev/${d}}); done
else
- exit
+ exit 1
fi
##### end configuration
-skiptask partition
+
+
+bpart() {
+ dev_n=$1
+ case ${#@} in
+ [1-3]) mkfs.btrfs -f $@ ;;
+ [4-9]*|[1-3]?*) mkfs.btrfs -f -m raid10 -d raid10 $@ ;;
+ esac
+}
+
devs=(${letters[@]/#//dev/${d}})
crypt_devs=(${letters[@]/#//dev/mapper/crypt_dev_${d}})
-# we can set this manually to force partitioning
-#partition=false
+partition=true
# somewhat crude detection of whether to partition
for dev in ${devs[@]}; do
x=($dev[0-9])
- [[ ${#x[@]} == 4 ]] || partition=true
- for part in ${dev}{1,2,3,4}; do
- [[ -e $part ]] || partition=true
+ [[ ${#x[@]} == ${lastn} ]] || partition=true
+ for (( i=1; i <= $lastn; i++ )); do
+ [[ -e ${dev}$i ]] || partition=true
done
- # type tells us it's not totally blank
- for part in ${dev}{1,3}; do
- blkid | grep "^$part:.*TYPE=" &>/dev/null || partition=true
+ for part in $dev$rootn $dev$bootn; do
+ # type tells us it's not totally blank
+ blkid | grep "^${part}:.*TYPE=" &>/dev/null || partition=true
done
done
-partition=true # override temporarily
+#partition=true # for temporarily override
# keyfiles generated like:
# head -c 2048 /dev/urandom | od | s dd of=/q/root/luks/host-demohost
-luks_dir=/var/lib/fai/config/distro-install-common/luks
+luks_dir=${LUKS_DIR:-/var/lib/fai/config/distro-install-common/luks}
if ifclass tp; then
lukspw=$(cat $luks_dir/traci)
else
lukspw=x
fi
-boot_end=504
-
-crypt=/dev/mapper/crypt_dev_${d##/dev/}a3
+crypt=/dev/mapper/crypt_dev_${d##/dev/}a$rootn
-# 1.5 x based on https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Installation_Guide/sect-disk-partitioning-setup-x86.html#sect-custom-partitioning-x86
-swap_end=$(( $(grep ^MemTotal: /proc/meminfo| awk '{print $2}') * 3/(${#devs[@]} * 2 ) / 1000 + boot_end ))
-
-create_subvols() {
- cd /mnt
- for x in a home root; do
- btrfs subvolume list . | grep "$x$" >/dev/null || btrfs subvolume create $x
- done
- btrfs subvolume set-default \
- $(btrfs subvolume list . | grep 'root$' | awk '{print $2}') .
- cd /
- umount /mnt
-}
+if ifclass frodo; then
+ # next upgrade is prolly 16 gigs of memory, across ~8 devices
+ swap_end=$((3500 + boot_end))
+else
+ # 1.5 x based on https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Installation_Guide/sect-disk-partitioning-setup-x86.html#sect-custom-partitioning-x86
+ swap_end=$(( $(grep ^MemTotal: /proc/meminfo| awk '{print $2}') * 3/(${#devs[@]} * 2 ) / 1000 + boot_end ))
+fi
+mkdir -p /tmp/fai
shopt -s nullglob
if $partition; then
- mkdir -p /tmp/fai
for dev in ${devs[@]}; do
for x in $dev[0-9]; do wipefs -a $x; done
+ done
+ for dev in ${devs[@]}; do
parted -s $dev mklabel gpt
# gpt ubuntu cloud image uses ~4. fai uses 1 MiB. ehh, i'll do 4.
# also, using MB instead of MiB causes complains about alignment.
parted -s $dev mkpart primary "ext3" 4MB ${boot_end}MiB
- parted -s $dev set 1 boot on
parted -s $dev mkpart primary "linux-swap" ${boot_end}MiB ${swap_end}MiB
parted -s -- $dev mkpart primary "" ${swap_end}MiB -0
parted -s $dev mkpart primary "" 1MiB 4MiB
- parted -s $dev set 4 bios_grub on
+ parted -s $dev set $bios_grubn bios_grub on
+ parted -s $dev set $bootn boot on # generally not needed on modern systems
# the mkfs failed randomly on a vm, so I threw a sleep in here.
sleep .1
mkfs.ext4 -F ${dev}1
--key-file $luks_dir/host-$HOSTNAME
done
done
- mkfs.btrfs -f ${crypt_devs[@]/%/3}
+ #bpart ${devs[@]/%/$rootn}
+ bpart ${crypt_devs[@]/%/3}
parted ${devs[0]} set 1 boot on
mount $crypt /mnt
- create_subvols
else
for dev in ${devs[@]}; do
mkfs.ext4 -F ${dev}1
for subvol in ${s[@]}; do btrfs subvolume delete /mnt/$subvol; done
btrfs subvolume set-default 0 /mnt
btrfs subvolume delete /mnt/root
- create_subvols
fi
-
-for dev in ${devs[@]}; do
- cat >>/tmp/fai/crypttab <<EOF
-crypt_dev_${dev##/dev/}3 ${dev}3 none keyscript=/root/keyscript,discard,luks
-EOF
+## create subvols ##
+cd /mnt
+for x in q home root; do
+ btrfs subvolume list . | grep "$x$" >/dev/null || btrfs subvolume create $x
done
-
-for dev in ${devs[@]}; do
- cat >>/tmp/fai/crypttab <<EOF
-swap ${dev}2 /dev/urandom swap,cipher=aes-xts-plain64,size=256,hash=ripemd160
-EOF
+for x in root/a q/a; do
+ mkdir -p $x
+ chown 1000:1000 $x
+ chmod 755 $x
done
+btrfs subvolume set-default \
+ $(btrfs subvolume list . | grep 'root$' | awk '{print $2}') .
+chattr -Rf +C root
+cd /
+umount /mnt
+## end create subvols ##
+
+
-# this is duplicated in arch-init
cat > /tmp/fai/fstab <<EOF
$crypt / btrfs noatime,subvol=/root 0 0
-$crypt /a btrfs noatime,subvol=/a 0 0
+$crypt /q btrfs noatime,subvol=/q 0 0
+/q/a /a none bind 0 0
$crypt /home btrfs noatime,subvol=/home 0 0
${devs[0]}1 /boot ext4 noatime 0 2
EOF
+swaps=()
+for dev in ${devs[@]}; do
+ s=crypt_swap_${dev##/dev/}$swapn
+ swaps+=(/dev/mapper/$s)
+ cat >>/tmp/fai/crypttab <<EOF
+crypt_dev_${dev##/dev/}$rootn $dev$rootn none keyscript=/root/keyscript,discard,luks
+$s $dev$swapn /dev/urandom swap,cipher=aes-xts-plain64,size=256,hash=ripemd160
+EOF
+ cat >> /tmp/fai/fstab <<EOF
+/dev/mapper/$s none swap sw 0 0
+EOF
+done
+
+
+# swaplist seems to do nothing.
cat >/tmp/fai/disk_var.sh <<EOF
ROOT_PARTITION=\${ROOT_PARTITION:-$crypt}
BOOT_PARTITION=\${BOOT_PARTITION:-${devs[0]}1}
BOOT_DEVICE=\${BOOT_DEVICE:-"${devs[0]}"}
-SWAPLIST=\${SWAPLIST:-"${devs[@]/%/2}"}
+SWAPLIST=\${SWAPLIST:-"${swaps[@]}"}
EOF
iankelling.org / git / automated-distro-installer / blobdiff