# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+PS4='+ $LINENO '
set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
-# for calling outside of FAI, first
-# - source /a/bin/fai-wrapper
+if [[ $EUID != 0 ]]; then
+ echo "$0: error: need to run as root" >&2
+ exit 1
+fi
+
+# for calling outside of FAI:
+# # need to redep and set that location so that we get luks keys
+# export FAI=/srv/fai/config
+# fai-redep
+# source /b/fai/fai-wrapper
# - set any appropriate classes with: fai-setclass OPT1... which sets CLASS_OPT1=true...
# or run eval-fai-classfile FILE
#
# REPARTITION: forces repartitioning even if we detect the proper amount
# of partitions already exist.
#
+# NOWIPE: use existing subvolumes if they exist
+#
# ROTATIONAL: forces to install onto hdds instead of sdds. normally sdds
# are chosen if they exist.
#
#
# RAID0: forces raid0 filesystem. Normally with 4+ devices, we use
# raid10.
+# RAID1: forces raid1 filesystem.
if [[ $SPECIAL_DISK ]]; then
export CLASS_REPARTITION=true
# https://wiki.archlinux.org/index.php/GRUB
bios_grubn=5
lastn=$bios_grubn
-# this is larger than needed for several /boot subvols,
-# becuase I keep a minimal debian install on it, for
-# recovery needs, and for doing pxe-kexec.
-boot_mib=10000
+
##### end configuration
##### end function defs
-if ifclass REPARTITION;then
+if ifclass REPARTITION; then
partition=true # force a full wipe
else
partition=false # change to true to force a full wipe
fi
+if ifclass NOWIPE; then
+ wipe=false
+else
+ wipe=true
+fi
+if ((`nproc` > 2)); then
+ mopts=,compress=zstd
+fi
+declare -A disk_excludes
+if ! ifclass USE_MOUNTED; then
+ ## ignore disks that are mounted, eg when running from fai-cd
+ while read -r l; do
+ eval "$l"
+ if [[ ! $PKNAME ]]; then
+ PKNAME="$KNAME"
+ fi
+ if [[ $MOUNTPOINT ]]; then
+ disk_excludes[$PKNAME]=true
+ fi
+ done < <(lsblk -nP -o KNAME,MOUNTPOINT,PKNAME)
+fi
hdds=()
ssds=()
cd /sys/block
for disk in [sv]d[a-z]; do
+ if [[ ${disk_excludes[$disk]} ]]; then
+ continue
+ fi
case $(cat $disk/queue/rotational) in
0) ssds+=(/dev/$disk) ;;
1) hdds+=(/dev/$disk) ;;
if $partition; then break; fi
y=$(readlink -f $dev)
arr=($y[0-9])
- [[ ${#arr[@]} == "${lastn}" ]] || partition=true
+ [[ ${#arr[@]} == "$lastn" ]] || partition=true
for (( i=1; i <= lastn; i++ )); do
[[ -e ${dev}$i ]] || partition=true
done
for short_dev in ${short_devs[@]}; do
devs+=($(devbyid $short_dev))
done
-if [[ ! ${devs[@]} ]]; then
+if [[ ! ${devs[0]} ]]; then
echo "$0: error: failed to detect devs" >&2
exit 1
fi
-
+boot_space=0
first=false
boot_devs=()
for dev in ${devs[@]}; do
break
fi
done
- $bad_disk || boot_devs+=(`bootdev`)
+ $bad_disk || boot_devs+=($(bootdev))
else
- boot_devs+=(`bootdev`)
+ boot_space=$(( boot_space + $(parted -m $dev unit MiB print | \
+ sed -nr "s#^/dev/[^:]+:([0-9]+).*#\1#p") - 1))
+ boot_devs+=($(bootdev))
fi
if [[ $boot_devs && $first ]]; then
- first_grub_extdev=`grub_extdev`
+ first_grub_extdev=$(grub_extdev)
first=false
fi
done
-if ifclass RAID0 || (( ${#boot_devs[@]} < 4 )); then
+if ifclass RAID0 || (( ${#boot_devs[@]} == 1 )); then
raid_level=0
+elif ifclass RAID1 || (( ${#boot_devs[@]} <= 3 )); then
+ raid_level=1
else
raid_level=10
- # need double the space if we are raid 10, and then
- # might as well give some extra.
- boot_mib=$((boot_mib * 3))
fi
+### Begin calculate boot partition space
+# due to raid duplication
+case $raid_level in
+ 1*) boot_space=$(( boot_space / 2 )) ;;
+esac
+if (( boot_space > 60000 )); then
+ # this is larger than needed for several /boot subvols,
+ # becuase I keep a minimal debian install on it for
+ # recovery needs and for doing pxe-kexec.
+ boot_mib=10000
+elif (( boot_space > 30000 )); then
+ boot_mib=$(( 5000 + (boot_space - 30000) / 2 ))
+else
+ # Small vms don't have room for /boot recovery. With 3 kernels
+ # installed, i'm using 132M on t8, so this seems like plenty of
+ # room. note: rhel 8 recomments 1g for /boot.
+ boot_mib=500
+ #
+fi
+case $raid_level in
+ 1*) boot_mib=$(( boot_mib * 2 )) ;;
+esac
+### end calculate boot partition space
+
if [[ ! $DISTRO ]]; then
DISTRO=debianstretch_bootstrap
elif ifclass VOL_STRETCH; then
DISTRO=debianstretch
+ elif ifclass VOL_BUSTER; then
+ DISTRO=debianbuster
elif ifclass VOL_TESTING; then
DISTRO=debiantesting
elif ifclass VOL_XENIAL; then
DISTRO=ubuntuxenial
+ elif ifclass VOL_BIONIC; then
+ DISTRO=ubuntubionic
+ elif ifclass VOL_FOCAL; then
+ DISTRO=ubuntufocal
elif ifclass VOL_BELENOS; then
DISTRO=trisquelbelenos
elif ifclass VOL_FLIDAS; then
DISTRO=trisquelflidas
+ elif ifclass VOL_ETIONA; then
+ DISTRO=trisqueletiona
else
echo "PARTITIONER ERROR: no distro class/var set" >&2
exit 1
bpart() { # btrfs a partition
case $raid_level in
0) mkfs.btrfs -f $@ ;;
+ 1) mkfs.btrfs -f -m raid1 -d raid1 $@ ;;
10) mkfs.btrfs -f -m raid10 -d raid10 $@ ;;
esac
}
-# keyfiles generated like:
-# head -c 2048 /dev/urandom | od | s dd of=/q/root/luks/host-demohost
-luks_dir=${LUKS_DIR:-/var/lib/fai/config/distro-install-common/luks}
-
-if [[ ! -e $luks_dir/host-$HOSTNAME ]]; then
- echo "$0: error: no key for hostname at $luks_dir/host-$HOSTNAME" >&2
- exit 1
-fi
+if [[ ! -e /a/bin/fai/fai-wrapper ]]; then
+ # see README for docs about how to create these
+ luks_dir=$FAI/distro-install-common/luks
+
+ luks_file=$luks_dir/host-$HOSTNAME
+ if [[ ! -e $luks_file ]]; then
+ hostkeys=($luks_dir/host-*)
+ # if there is only one key, we might be deploying somewhere
+ # where dhcp doesnt give us a proper hostname, so use that.
+ if [[ ${#hostkeys[@]} == 1 && -e ${hostkeys[0]} ]]; then
+ luks_file=${hostkeys[0]}
+ else
+ echo "$0: error: no key for hostname at $luks_file" >&2
+ exit 1
+ fi
+ fi
-lukspw=$(cat $luks_dir/iank)
-# # ian: disabled by chaning to tpnew while I use the tp host.
-# # note, corresponding changes in /b/ds/keyscript-{on,off}
-if ifclass tpnew; then
- lukspw=$(cat $luks_dir/traci)
-fi
-if ifclass demohost; then
- lukspw=x
+ # # note, corresponding changes in /b/ds/keyscript-{on,off}
+ if ifclass demohost; then
+ lukspw=x
+ elif [[ -e $luks_dir/$HOSTNAME ]]; then
+ lukspw=$(cat $luks_dir/$HOSTNAME)
+ else
+ lukspw=$(cat $luks_dir/iank)
+ fi
fi
mkdir -p /tmp/fai
root_devs=()
for dev in ${devs[@]}; do
- root_devs+=(`rootdev`)
+ root_devs+=($(rootdev))
done
shopt -s nullglob
if $partition; then
# wait at all. So I've added a 3 second minimum wait.
sleep 3
secs=0
- while [[ ! -e `rootdev` ]] && (( secs < 10 )); do
+ while [[ ! -e $(rootdev) ]] && (( secs < 10 )); do
sleep 1
secs=$((secs +1))
done
# to grubenv after booting, but that relies on the boot always succeeding.
# This is just a bit more robust, and it could work for booting
# into ipxe which can't persist data, if we ever got that working.
- mkfs.ext2 `grub_extdev`
+ mkfs.ext2 $(grub_extdev)
# when we move to newer than trisquel 8, we can remove
# --type luks1. We can also check on cryptsetup --help | less /compil
# to see about the other settings. Default in debian 9 is luks2.
# cryptsetup luksAddKey --pbkdf pbkdf2
# then remove the new format keys with cryptsetup luksRemoveKey
# then cryptsetup convert DEV --type luks1, then readd old keys and remove temp.
- yes YES | cryptsetup luksFormat `rootdev` $luks_dir/host-$HOSTNAME \
+ yes YES | cryptsetup luksFormat $(rootdev) $luks_file \
--type luks1 -c aes-cbc-essiv:sha256 -s 256 || [[ $? == 141 ]]
yes "$lukspw" | \
- cryptsetup luksAddKey --key-file $luks_dir/host-$HOSTNAME \
- `rootdev` || [[ $? == 141 ]]
+ cryptsetup luksAddKey --key-file $luks_file \
+ $(rootdev) || [[ $? == 141 ]]
# background: Keyfile and password are treated just
# like 2 ways to input a passphrase, so we don't actually need to have
# different contents of keyfile and passphrase, but it makes some
# yes 'test' | cryptsetup luksRemoveKey /dev/... \
# /key/file || [[ $? == 141 ]]
- cryptsetup luksOpen `rootdev` `root-cryptname` \
- --key-file $luks_dir/host-$HOSTNAME
+ cryptsetup luksOpen $(rootdev) $(root-cryptname) \
+ --key-file $luks_file
if [[ $SPECIAL_DISK ]]; then
exit 0
bpart ${boot_devs[@]}
else
for dev in ${devs[@]}; do
- mkfs.ext2 `grub_extdev`
- cryptsetup luksOpen `rootdev` `root-cryptname` \
- --key-file $luks_dir/host-$HOSTNAME
+ if [[ -e /dev/mapper/$(root-cryptname) ]]; then
+ continue
+ fi
+ cryptsetup luksOpen $(rootdev) $(root-cryptname) \
+ --key-file $luks_file
done
sleep 1
fi
-if [[ $DISTRO != debianstretch_bootstrap ]]; then
+if $wipe && [[ $DISTRO != debianstretch_bootstrap ]]; then
# bootstrap distro doesn't use separate encrypted root.
mount -o subvolid=0 $first_root_crypt /mnt
# systemd creates subvolumes we want to delete.
btrfs subvolume create root_$DISTRO
- mkdir -p /mnt/root_$DISTRO/boot
# could set default subvol like this, but no reason to.
# btrfs subvolume set-default \
# $(btrfs subvolume list . | grep "root_$DISTRO$" | awk '{print $2}') .
else
boot_vol=boot_$DISTRO
fi
-[[ ! -e /mnt/$boot_vol ]] || btrfs subvolume delete /mnt/$boot_vol
-btrfs subvolume create $boot_vol
+if $wipe && [[ -e /mnt/$boot_vol ]]; then
+ btrfs subvolume delete /mnt/$boot_vol
+fi
+if [[ ! -e /mnt/$boot_vol ]]; then
+ btrfs subvolume create $boot_vol
+fi
cd /
umount /mnt
## end create subvols ##
else
# note, fai creates the mountpoints listed here
cat > /tmp/fai/fstab <<EOF
-$first_root_crypt / btrfs noatime,subvol=root_$DISTRO 0 0
-$first_root_crypt /mnt/root btrfs noatime,subvolid=0 0 0
-$first_boot_dev /boot btrfs noatime,subvol=$boot_vol 0 0
+$first_root_crypt / btrfs noatime,subvol=root_$DISTRO$mopts 0 0
+$first_root_crypt /mnt/root btrfs nofail,noatime,subvolid=0$mopts 0 0
+$first_boot_dev /boot btrfs nofail,noatime,subvol=$boot_vol 0 0
+$first_boot_dev /mnt/boot btrfs nofail,noatime,subvolid=0 0 0
EOF
swaps=()
+ rm -f /tmp/fai/crypttab
for dev in ${devs[@]}; do
- swaps+=(`swap-cryptname`)
+ swaps+=($(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
+$(root-cryptname) $(rootdev) none keyscript=/root/keyscript,discard,luks,initramfs
+$(swap-cryptname) $(swapdev) /dev/urandom swap,cipher=aes-xts-plain64,size=256,hash=ripemd160
EOF
cat >> /tmp/fai/fstab <<EOF
-`swap-cryptdev` none swap sw 0 0
+$(swap-cryptdev) none swap nofail,sw 0 0
EOF
done
iankelling.org / git / automated-distro-installer / blobdiff