# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# todo /boot/chboot needs update for lvm i think?
+
PS4='+ $LINENO '
set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
# ROTATIONAL: forces to install onto hdds instead of sdds. normally sdds
# are chosen if they exist.
#
-# PARTITION_PROMPT: command line prompt before partitioning
+# PARTITION_PROMPT: command line prompt before partitioning. This is good
+# to set if we don't expect repartitioning to happen.
+#
+# ROTATIONAL: in a system with ssd and hdd, install to the hdd
+# instead of the default ssd.
#
# RAID0: forces raid0 filesystem. Normally with 4+ devices, we use
# raid10.
# RAID1: forces raid1 filesystem.
+# RAID1c3: forces raid1c3 filesystem (btrfs raid 1, 3 copies).
mkroot2tab=false
mkroot2=false
if ! type -t ifclass &>/dev/null; then
ifclass() {
local var=${1/#/CLASS_}
- [[ $HOSTNAME == $1 || ${!var} ]]
+ [[ $HOSTNAME == "$1" || ${!var} ]]
}
fi
fi
fi
-
-
#### begin configuration
# this is the ordering of the /dev/sdaX, but
# bios_grub
# grub_ext
# efi
-# root
-# swap
-# boot
-
-rootn=1
-root2n=2
-swapn=3
-bootn=4
-boot2n=5
-efin=6
-# ext partition so grub can write persistent variables,
-# so it can do a one time boot. grub can't write to
-# btrfs or any cow fs because it's more
-# more complicated to do and they don't want to.
-grub_extn=7
-# bios boot partition,
-# https://wiki.archlinux.org/index.php/GRUB
-bios_grubn=8
-# for an even raid (raid 1), when one disk is bigger, this partition goes on the big disk
-even_bign=9
-lastn=$bios_grubn
+# lvm
+# root
+# swap
+# boot
+
##### begin function defs
-add-part() { # add partition suffix to $dev
- local d part
- if [[ $# == 1 ]]; then
- d=$dev
- part=$1
+bpart() { # btrfs a partition
+ case $raid_level in
+ 0) mkfs.btrfs -f $@ ;;
+ *) mkfs.btrfs -f -m raid$raid_level -d raid$raid_level $@ ;;
+ esac
+}
+
+
+zilap() {
+ case $HOSTNAME in
+ sy|bo)
+ return 0
+ ;;
+ esac
+ return 1
+}
+
+getluks() {
+ if [[ ! $luks_dir ]]; then
+ # see README for docs about how to create these
+ luks_dir=$FAI/distro-install-common/luks
+ if [[ ! -d $luks_dir ]]; then
+ luks_dir=/q/root/luks
+ fi
+ if [[ ! -d $luks_dir ]]; then
+ echo "$0: error: no luks_dir found" >&2
+ exit 1
+ fi
+ fi
+
+ luks_file=$luks_dir/host-$HOSTNAME
+ if [[ ! -e $luks_file ]]; then
+ # shellcheck disable=SC2206 # globbing is intended
+ hostkeys=($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
+
+ # # 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
- d=$1
- part=$2
+ lukspw=$(cat $luks_dir/iank)
+ fi
+
+ if $mkroot2; then
+ luks_file=$luks_dir/host-amy
+ lukspw=$(cat $luks_dir/amy)
fi
- echo $d-part$part
}
-rootdev() { add-part $@ $rootn; }
-root2dev() { add-part $@ $root2n; }
-
-# note, the following block could all have $@ like below
-# But it is not added since it is not used and shellcheck
-# rightly says args never used should not exist.
-##swapdev() { add-part $swapn; }
-
-swapdev() { add-part $swapn; }
-bootdev() { add-part $bootn; }
-boot2dev() { add-part $boot2n; }
-efidev() { add-part $efin; }
-grub_extdev() { add-part $grub_extn; }
-bios_grubdev() { add-part $bios_grubn; }
-even_bigdev() { add-part $even_bign; }
-
-crypt-dev() { echo /dev/mapper/crypt_dev_${1##*/}; }
-crypt-name() { echo crypt_dev_${1##*/}; }
-root-cryptdev() { crypt-dev $(rootdev $@); }
-root2-cryptdev() { crypt-dev $(root2dev $@); }
-
-# I omit a possible parameter since it is unused:
-##swap-cryptdev() { crypt-dev $(swapdev $@); }
-swap-cryptdev() { crypt-dev $(swapdev); }
-root-cryptname() { crypt-name $(rootdev); }
-root2-cryptname() { crypt-name $(root2dev); }
-swap-cryptname() { crypt-name $(swapdev); }
+
+fsf() {
+ ifclass FSF
+}
+
dev-mib() {
local d=${1:-$dev}
luks-setup() {
local luksdev="$1"
+ local cryptname="$2"
# when we move to newer than trisquel 9, 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.
# This would remove the keyfile.
# yes 'test' | cryptsetup luksRemoveKey /dev/... \
# /key/file || [[ $? == 141 ]]
- cryptsetup luksOpen $luksdev $(crypt-name $luksdev) --key-file $luks_file
+ cryptsetup luksOpen $luksdev $cryptname --key-file $luks_file
}
+mktab() {
+ mkdir -p /tmp/fai
+ dev=${boot_devs[0]}
+ fstabstd="x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s"
+
+ if [[ $DISTRO == debianbullseye_bootstrap ]]; then
+ cat > /tmp/fai/fstab <<EOF
+$first_boot_dev / btrfs noatime,subvol=$boot_vol 0 0
+$first_efi /boot/efi vfat nofail,$fstabstd 0 0
+EOF
+ cat >/tmp/fai/disk_var.sh <<EOF
+BOOT_DEVICE="${short_devs[@]}"
+ROOT_PARTITION=$first_boot_dev
+EOF
+ else
+ # note, fai creates the mountpoints listed here
+ cat > /tmp/fai/fstab <<EOF
+$first_root_dev / btrfs $fstabstd,noatime,subvol=root_$DISTRO$mopts 0 0
+$first_root_dev /mnt/root btrfs nofail,$fstabstd,noatime,subvolid=0$mopts 0 0
+$first_boot_dev /boot btrfs nofail,$fstabstd,noatime,subvol=$boot_vol 0 0
+$first_efi /boot/efi vfat nofail,$fstabstd 0 0
+$first_boot_dev /mnt/boot btrfs nofail,$fstabstd,noatime,subvolid=0 0 0
+EOF
+ rm -f /tmp/fai/crypttab
+ for vg in ${vgs[@]}; do
+ if ! fsf; then
+ cat >>/tmp/fai/crypttab <<EOF
+crypt-$vg-root /dev/$vg/root none keyscript=/root/keyscript,discard,luks,initramfs
+crypt-$vg-swap /dev/$vg/swap /dev/urandom swap,cipher=aes-xts-plain64,size=256,hash=ripemd160
+EOF
+ fi
+ if fsf; then
+ cat >> /tmp/fai/fstab <<EOF
+/dev/$vg/swap none swap nofail,$fstabstd,sw 0 0
+EOF
+ else
+ cat >> /tmp/fai/fstab <<EOF
+/dev/mapper/crypt-$vg-swap none swap nofail,$fstabstd,sw 0 0
+EOF
+ fi
+ done
+
+ # fai would do this:
+ #BOOT_DEVICE=\${BOOT_DEVICE:-"${devs[0]}"}
+
+ # 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_dev}
+SWAPLIST=\${SWAPLIST:-"${swap_devs[@]}"}
+EOF
+
+ if [[ $HOSTNAME == kd ]]; then
+ # note, having these with keyscript and initramfs causes a luks error in fai.log,
+ # but it is safely ignorable and gets us the ability to just type our password
+ # in once at boot. A downside is that they are probably needed to be plugged in to boot.
+ cat >>/tmp/fai/crypttab <<EOF
+crypt_dev_ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V${even_bigsuf} /dev/disk/by-id/ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V${even_bigsuf} none keyscript=decrypt_keyctl,discard,luks,initramfs
+crypt_dev_ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 /dev/disk/by-id/ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 none keyscript=decrypt_keyctl,discard,luks,initramfs
+crypt_dev_ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 /dev/disk/by-id/ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 none keyscript=decrypt_keyctl,discard,luks,initramfs
+EOF
+ cat >> /tmp/fai/fstab <<EOF
+# r7 = root partition7. it isnt actually #7 anymore, not a great name, but whatever
+/dev/mapper/crypt_dev_ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V${even_bigsuf} /mnt/r7 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
+/dev/mapper/crypt_dev_ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 /mnt/rust1 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
+/dev/mapper/crypt_dev_ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 /mnt/rust2 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
+EOF
+ fi
+ fi
+}
+
+
+
+#### root2 non-fai run
+
+# todo: update for lvm
+doroot2() {
+
+ # We write to these files instead of just /etc/fstab, /etc/crypttab,
+ # because these are filesystems created after our current root, and so
+ # this allows us to update other root filesystems too.
+ rm -f /mnt/root/root2-{fs,crypt}tab
+ if $partition; then
+ echo $0: error: found partition=true but have mkroot2 arg
+ exit 1
+ fi
+ root2_devs=()
+ for vg in ${vgs[@]}; do
+ root2_devs+=(/dev/mapper/crypt-$vg-root2)
+ if $mkroot2; then
+ luks-setup /dev/$vg/root2 crypt-$vg-root2
+ fi
+ cat >>/mnt/root/root2-crypttab <<EOF
+crypt-$vg-root2 /dev/$vg/root2 $luks_file discard,luks,initramfs
+EOF
+ done
+ if $mkroot2; then
+ bpart ${root2_devs[@]}
+ bpart ${boot2_devs[@]}
+ fi
+ mkdir -p /mnt/root2 /mnt/boot2
+ cat >>/mnt/root/root2-fstab <<EOF
+${root2_devs[0]} /mnt/root2 btrfs nofail,x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s,noatime,subvolid=0$mopts 0 0
+${boot2_devs[0]} /mnt/boot2 btrfs nofail,x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s,noatime,subvolid=0 0 0
+EOF
+ exit 0
+}
+
+
##### end function defs
hdds=()
ssds=()
-# this excludes usb. note: i may encounter some other type in the future.
-for disk in $(lsblk -do name,tran -n | awk '$2 ~ "^(sata|nvme)$" { print $1 }'); do
+# this excludes "usb". vda disk has empty tran (transport). This may need adjustment
+# for some new type we come across. cdrom has type "rom"
+for disk in $(lsblk -ndo name,type,tran | awk '$3 ~ "^(sata|nvme|)$" && $2 == "disk" { print $1 }'); do
if [[ ${disk_excludes[$disk]} ]]; then
continue
fi
+ case $disk in
+ # cdrom
+ sr*) continue ;;
+ esac
case $(cat /sys/block/$disk/queue/rotational) in
- 0) ssds+=("/dev/$disk") ;;
- 1) hdds+=("/dev/$disk") ;;
+ 0)
+ ssds+=("/dev/$disk")
+ echo $0: found ssd /dev/$disk
+ ;;
+ 1)
+ hdds+=("/dev/$disk")
+ echo $0: found hdd /dev/$disk
+ ;;
*) echo "$0: error: unknown /sys/block/$disk/queue/rotational: \
$(cat $disk/queue/rotational)"; exit 1 ;;
esac
# install all ssds, or if there are none, all hdds.
# Note, usb flash disks are seen as rotational, which is
# very odd, but convenient for ignoring them here.
-# TODO: find a reliable way to ignore them.
if ! ifclass ROTATIONAL && (( ${#ssds[@]} > 0 )); then
read -ra short_devs<<<"${ssds[@]}"
else
read -ra short_devs<<<"${hdds[@]}"
fi
+pvn=1
+
+# rootn=1
+# root2n=2
+# swapn=3
+# bootn=4
+# boot2n=5
+
+efin=2
+# ext partition so grub can write persistent variables,
+# so it can do a one time boot. grub can't write to
+# btrfs or any cow fs because it's more
+# more complicated to do and they don't want to.
+grub_extn=3
+# bios boot partition,
+# https://wiki.archlinux.org/index.php/GRUB
+bios_grubn=4
+# for an even raid (raid 1), when one disk is bigger, this partition goes on the big disk
+even_bign=5
+lastn=$even_bign
# check if the partitions exist have the right filesystems
#blkid="$(blkid -s TYPE)"
for dev in ${short_devs[@]}; do
fi
devs=()
+vgs=()
+root_devs=()
+swap_devs=()
shopt -s extglob
+partsuffix=-part
for short_dev in ${short_devs[@]}; do
- devs+=("$(devbyid $short_dev)")
+ dev="$(devbyid $short_dev)"
+ if [[ $dev != */by-id/* ]]; then
+ # no by-id link, assume we are in a vm and this is true for all devs.
+ partsuffix=
+ fi
+ # for vms, cant name a vg the same as the short device name, they
+ # conflict: /dev/$vg is already taken
+
+ dname=${dev##*/}
+ vg=vg$dname
+ vgs+=("$vg")
+ devs+=("$dev")
+ if fsf; then
+ root_devs+=(/dev/$vg/root)
+ swap_devs+=(/dev/$vg/swap)
+ else
+ root_devs+=(/dev/mapper/crypt-$vg-root)
+ swap_devs+=(/dev/mapper/crypt-$vg-swap)
+ fi
done
+first_root_dev=${root_devs[0]}
if [[ ! ${devs[0]} ]]; then
echo "$0: error: failed to detect devs" >&2
exit 1
fi
+
+
+pvsuf=$partsuffix$pvn
+efisuf=$partsuffix$efin
+grub_extsuf=$partsuffix$grub_extn
+bios_grubsuf=$partsuffix$bios_grubn
+even_bigsuf=$partsuffix$even_bign
+
+
boot_space=0
first=true
boot_devs=()
boot2_devs=()
for dev in ${devs[@]}; do
- if ifclass frodo; then
- # I ran into a machine where the bios doesn't know about some disks,
- # so 1st stage of grub also doesn't know about them.
- # Also, grub does not support mounting degraded btrfs as far as
- # I can tell with some googling.
- # From within an arch install env, I could detect them by noting
- # their partitions were mixed with the next disk in /dev/disk/by-path,
- # and I have mixed model disks, and I could see the 8 models which showed
- # up in the bios, and thus see which 2 models were missing.
- # hdparm -I /dev/sdh will give model info in linux.
- # However, in fai on jessie, /dev/disk/by-path dir doesn't exist,
- # and I don't see another way, so I'm hardcoding them.
- # We still put grub on them and partition them the same, for uniformity
- # and in case they get moved to a system that can recognize them,
- # we just exclude them from the boot filesystem.
- cd /dev/disk/by-id/
- bad_disk=false
- for id in ata-TOSHIBA_MD04ACA500_8539K4TQFS9A \
- ata-TOSHIBA_MD04ACA500_Y5IFK6IJFS9A; do
- if [[ $(readlink -f $id) == "$(readlink -f $dev)" ]]; then
- bad_disk=true
- break
- fi
- done
- if ! $bad_disk; then
- boot_devs+=("$(bootdev)")
- boot2_devs+=("$(boot2dev)")
+ vg=vg${dev##*/}
+ # I ran into a machine (frodo) where the bios doesn't know about some disks,
+ # so 1st stage of grub also doesn't know about them.
+ # Also, grub does not support mounting degraded btrfs as far as
+ # I can tell with some googling.
+ # From within an arch install env, I could detect them by noting
+ # their partitions were mixed with the next disk in /dev/disk/by-path,
+ # and I have mixed model disks, and I could see the 8 models which showed
+ # up in the bios, and thus see which 2 models were missing.
+ # hdparm -I /dev/sdh will give model info in linux.
+ # However, in fai on jessie, /dev/disk/by-path dir doesn't exist,
+ # and I don't see another way, so I'm hardcoding them.
+ # We still put grub on them and partition them the same, for uniformity
+ # and in case they get moved to a system that can recognize them,
+ # we just exclude them from the boot filesystem.
+ cd /dev/disk/by-id/
+ bad_disk=false
+ for id in ata-TOSHIBA_MD04ACA500_8539K4TQFS9A \
+ ata-TOSHIBA_MD04ACA500_Y5IFK6IJFS9A; do
+ if [[ $(readlink -f $id) == "$(readlink -f $dev)" ]]; then
+ bad_disk=true
+ break
fi
- else
- boot_space=$(( boot_space + $(parted -m $dev unit MiB print | \
- sed -nr "s#^/dev/[^:]+:([0-9]+).*#\1#p") - 1))
- boot_devs+=("$(bootdev)")
- boot2_devs+=("$(boot2dev)")
+ done
+ if $bad_disk; then
+ continue
fi
- if $first && (( ${#boot_devs[@]} >= 1 )) ; then
- first_efi=$(efidev)
- first_grub_extdev=$(grub_extdev)
+ boot_devs+=(/dev/$vg/boot)
+ boot2_devs+=(/dev/$vg/boot2)
+ boot_space=$(( boot_space + $(parted -m $dev unit MiB print | \
+ sed -nr "s#^/dev/[^:]+:([0-9]+).*#\1#p") - 1))
+ if $first; then
+ first_efi=$dev$efisuf
+ first_grub_extdev=$dev$grub_extsuf
first=false
fi
done
even_raid=false
if ifclass RAID0 || (( ${#boot_devs[@]} == 1 )); then
raid_level=0
-elif ifclass RAID1 || (( ${#boot_devs[@]} <= 3 )); then
+ raid_duplication=1
+elif ifclass RAID1 || (( ${#boot_devs[@]} == 2 )); then
if (( ${#boot_devs[@]} == 2 )); then
even_raid=true
fi
raid_level=1
+ raid_duplication=2
+elif ifclass RAID1c3 || (( ${#boot_devs[@]} == 3 )); then
+ raid_level=1c3
+ raid_duplication=3
else
raid_level=10
+ raid_duplication=2
fi
### Begin calculate boot partition space
# due to raid duplication
case $raid_level in
- 1*) boot_space=$(( boot_space / 2 )) ;;
+ 1|10) boot_space=$(( boot_space / 2 )) ;;
+ 1c3) boot_space=$(( boot_space / 3 )) ;;
esac
-if (( boot_space > 60000 )); then
+if fsf; then
+ boot_mib=4000
+elif (( boot_space > 900000 )); 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
- root2_mib=1000000
+ root2_mib=500000
boot2_mib=5000
elif (( boot_space > 30000 )); then
boot_mib=$(( 5000 + (boot_space - 30000) / 2 ))
root2_mib=100
boot2_mib=100
fi
-case $raid_level in
- 1*)
- boot_mib=$(( boot_mib * 2 ))
- boot2_mib=$(( boot2_mib * 2 ))
- root2_mib=$(( root2_mib * 2 ))
- ;;
-esac
-### end calculate boot partition space
+boot_part_mib=$(( boot_mib * raid_duplication / ${#boot_devs[@]} ))
-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 $@ ;;
- esac
-}
+if zilap; then
+ boot2_part_mib=0
+ root2_part_mib=0
+else
+ boot2_part_mib=$(( boot2_mib * raid_duplication / ${#boot_devs[@]} ))
+ root2_part_mib=$(( root2_mib * raid_duplication / ${#root_devs[@]} ))
+fi
+### end calculate boot partition space
if [[ ! $DISTRO ]]; then
fi
-first_root_crypt=$(root-cryptdev ${devs[0]})
-
# 1.5 x based on https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Installation_Guide/sect-disk-partitioning-setup-x86.html#sect-custom-partitioning-x86
swap_mib=$(( $(grep ^MemTotal: /proc/meminfo | \
awk '{print $2}') * 3/(${#devs[@]} * 2 ) / 1024 ))
-root_devs=()
-for dev in ${devs[@]}; do
- root_devs+=("$(rootdev)")
-done
shopt -s nullglob
##### end variable setup
-mktab() {
- mkdir -p /tmp/fai
- dev=${boot_devs[0]}
- fstabstd="x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s"
-
- if [[ $DISTRO == debianbullseye_bootstrap ]]; then
- cat > /tmp/fai/fstab <<EOF
-$first_boot_dev / btrfs noatime,subvol=$boot_vol 0 0
-$first_efi /boot/efi vfat nofail,$fstabstd 0 0
-EOF
- cat >/tmp/fai/disk_var.sh <<EOF
-BOOT_DEVICE="${short_devs[@]}"
-ROOT_PARTITION=$first_boot_dev
-EOF
- else
- # note, fai creates the mountpoints listed here
- cat > /tmp/fai/fstab <<EOF
-$first_root_crypt / btrfs $fstabstd,noatime,subvol=root_$DISTRO$mopts 0 0
-$first_root_crypt /mnt/root btrfs nofail,$fstabstd,noatime,subvolid=0$mopts 0 0
-$first_boot_dev /boot btrfs nofail,$fstabstd,noatime,subvol=$boot_vol 0 0
-$first_efi /boot/efi vfat nofail,$fstabstd 0 0
-$first_boot_dev /mnt/boot btrfs nofail,$fstabstd,noatime,subvolid=0 0 0
-EOF
- swaps=()
- rm -f /tmp/fai/crypttab
- for dev in ${devs[@]}; do
- swaps+=("$(swap-cryptname)")
- cat >>/tmp/fai/crypttab <<EOF
-$(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 nofail,$fstabstd,sw 0 0
-EOF
- done
-
- # fai would do this:
- #BOOT_DEVICE=\${BOOT_DEVICE:-"${devs[0]}"}
-
- # 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}
-SWAPLIST=\${SWAPLIST:-"${swaps[@]}"}
-EOF
-
- if [[ $HOSTNAME == kd ]]; then
- # note, having these with keyscript and initramfs causes a luks error in fai.log,
- # but it is safely ignorable and gets us the ability to just type our password
- # in once at boot. A downside is that they are probably needed to be plugged in to boot.
- cat >>/tmp/fai/crypttab <<EOF
-crypt_dev_ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V-part${even_bign} /dev/disk/by-id/ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V-part${even_bign} none keyscript=decrypt_keyctl,discard,luks,initramfs
-crypt_dev_ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 /dev/disk/by-id/ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 none keyscript=decrypt_keyctl,discard,luks,initramfs
-crypt_dev_ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 /dev/disk/by-id/ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 none keyscript=decrypt_keyctl,discard,luks,initramfs
-EOF
- cat >> /tmp/fai/fstab <<EOF
-# r7 = root partition7. it isnt actually #7 anymore, not a great name, but whatever
-/dev/mapper/crypt_dev_ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V-part${even_bign} /mnt/r7 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
-/dev/mapper/crypt_dev_ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 /mnt/rust1 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
-/dev/mapper/crypt_dev_ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 /mnt/rust2 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
-EOF
- fi
- fi
-}
-
-
-
-getluks() {
- if [[ ! $luks_dir ]]; then
- # see README for docs about how to create these
- luks_dir=$FAI/distro-install-common/luks
- if [[ ! -d $luks_dir ]]; then
- luks_dir=/q/root/luks
- fi
- if [[ ! -d $luks_dir ]]; then
- echo "$0: error: no luks_dir found" >&2
- exit 1
- fi
- fi
-
- luks_file=$luks_dir/host-$HOSTNAME
- if [[ ! -e $luks_file ]]; then
- # shellcheck disable=SC2206 # globbing is intended
- hostkeys=($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
-
- # # 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
-
- if $mkroot2; then
- luks_file=$luks_dir/host-amy
- lukspw=$(cat $luks_dir/amy)
- fi
-}
-
-
-#### root2 non-fai run
-doroot2() {
-
- # We write to these files instead of just /etc/fstab, /etc/crypttab,
- # because these are filesystems created after our current root, and so
- # this allows us to update other root filesystems too.
- rm -f /mnt/root/root2-{fs,crypt}tab
- if $partition; then
- echo $0: error: found partition=true but have mkroot2 arg
- exit 1
- fi
- for dev in ${devs[@]}; do
- if $mkroot2; then
- luks-setup $(root2dev)
- fi
- cat >>/mnt/root/root2-crypttab <<EOF
-$(root2-cryptname) $(root2dev) $luks_file discard,luks,initramfs
-EOF
- done
- if $mkroot2; then
- bpart $(for dev in ${devs[@]}; do root2-cryptdev; done)
- bpart ${boot2_devs[@]}
- fi
- mkdir -p /mnt/root2 /mnt/boot2
- cat >>/mnt/root/root2-fstab <<EOF
-$(root2-cryptdev ${devs[0]}) /mnt/root2 btrfs nofail,x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s,noatime,subvolid=0$mopts 0 0
-${boot2_devs[0]} /mnt/boot2 btrfs nofail,x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s,noatime,subvolid=0 0 0
-EOF
- exit 0
-}
if $mkroot2 || $mkroot2tab; then
getluks
exit 0
else
mktab
- getluks
+ if ! fsf; then
+ getluks
+ fi
fi
if $partition; then
### begin wipefs
if [[ ! $SPECIAL_DISK ]]; then
+ for lv in $(lvs --noheadings -o lv_path); do
+ wipefs -a $lv
+ done
+ for vg in $(vgs --noheadings -o vgname); do
+ vgchange -an $vg
+ vgremove -ff $vg
+ done
+ for pv in $(pvs --noheadings -o pvname); do
+ pvremove -ff $pv
+ done
for dev in ${devs[@]}; do
# if we repartition to the same as an old partition,
# we don't want any old fses hanging around.
- for (( i=1; i <= lastn; i++ )); do
- x=$(add-part $i)
- [[ -e $x ]] || continue
- count_down=10
- # wipefs has failed, manual run works, google suggests timing issue
- while ! wipefs -a $x; do
- sleep 2
- count_down=$((count_down - 1))
- (( count_down > 0 )) || exit 1
- done
+ count_down=10
+ # wipefs has failed, manual run works, google suggests timing issue
+ while ! wipefs -a $dev; do
+ sleep 2
+ count_down=$((count_down - 1))
+ (( count_down > 0 )) || exit 1
done
done
fi
fi
for dev in ${devs[@]}; do
+ vg=vg${dev##*/}
if [[ $SPECIAL_DISK ]]; then
dev=$(devbyid $SPECIAL_DISK)
fi
disk_mib=$(dev-mib)
fi
- boot_part_mib=$(( boot_mib / ${#boot_devs[@]} ))
- boot2_part_mib=$(( boot2_mib / ${#boot_devs[@]} ))
- root2_part_mib=$(( root2_mib / ${#root_devs[@]} ))
- root_end=$(( disk_mib - root2_part_mib - swap_mib - boot_part_mib - boot2_part_mib ))
- root2_end=$(( root_end + root2_part_mib ))
- swap_end=$(( root2_end + swap_mib ))
- boot_end=$(( swap_end + boot_part_mib ))
parted -s $dev mklabel gpt
# MiB because parted complains about alignment otherwise.
pcmd="parted -a optimal -s -- $dev"
- # root partition, the main big one
- $pcmd mkpart primary ext3 524MiB ${root_end}MiB
- # without naming, systemd gives us misc errors like:
- # dev-disk-by\x2dpartlabel-primary.device: Dev dev-disk-by\x2dpartlabel-primary.device appeared twice
- $pcmd name $rootn root
- # root2 partition
- $pcmd mkpart primary ext3 ${root_end}MiB ${root2_end}MiB
- $pcmd name $root2n root2
- # normally a swap is type "linux-swap", but this is encrypted swap. using that
- # label will confuse systemd.
- # swap partition
- $pcmd mkpart primary "" ${root2_end}MiB ${swap_end}MiB
- $pcmd name $swapn swap
- # boot partition
- $pcmd mkpart primary "" ${swap_end}MiB ${boot_end}MiB
- $pcmd name $bootn boot
- # boot2 partition
- $pcmd mkpart primary "" ${boot_end}MiB ${disk_mib}MiB
- $pcmd name $boot2n boot2
- # uefi partition. efi sucks, half a gig, rediculous.
+ # main lvm partition
+ $pcmd mkpart primary ext3 524MiB ${disk_mib}MiB
+ $pcmd name $pvn pv
+
+ pvcreate -y $dev$pvsuf
+ vgcreate -y $vg $dev$pvsuf
+
+ if fsf; then
+ root_mib=40000
+ else
+ # 600 = uefi 512 + grubext 8 + bios grub 3 + some extra cuz this is lvm
+ root_mib=$(( disk_mib - root2_part_mib - swap_mib - boot_part_mib - boot2_part_mib - 600 ))
+ fi
+
+ # -L unit default mebibyte
+ lvcreate -y -L $root_mib $vg -n root
+ lvcreate -y -L $swap_mib $vg -n swap
+ # unencrypted swap needs mkswap
+ if fsf; then
+ mkswap /dev/$vg/swap
+ fi
+ lvcreate -y -L $boot_part_mib $vg -n boot
+
+ if zilap; then
+ # todo: now that we are using lvm, this doesnt need to be done until mkroot2
+ lvcreate -y -L $root2_part_mib $vg -n root2
+ lvcreate -y -L $boot2_part_mib $vg -n boot2
+ fi
+
+ # uefi partition, for normal bios systems, its just in case.
$pcmd mkpart primary "fat32" 12MiB 524MiB
$pcmd name $efin efi
- $pcmd set $efin esp on
# note, this is shown here: https://support.system76.com/articles/bootloader/
# but not mentioned https://wiki.archlinux.org/index.php/EFI_system_partition
- # probably not needed
- $pcmd set $bootn boot on
- $pcmd set $boot2n boot on
+ # might not be needed
+ $pcmd set $efin esp on
+
# i only need a few k, but googling min size,
# I found someone saying that gparted required
# required at least 8 because of their hard drive cylinder size.
# but then couldn't be found upon reboot. In that case we didn't
# wait at all. So I've added a 3 second minimum wait.
secs=0
- while [[ ! -e $(bios_grubdev) ]] && (( secs < 10 )); do
+ while [[ ! -e $dev$bios_grubsuf ]] && (( secs < 10 )); do
sleep 1
secs=$((secs +1))
done
sleep 3
- mkfs.fat -F32 $(efidev)
+ mkfs.fat -F32 $dev$efisuf
- if $even_big_part && [[ $dev == "$even_big_dev" ]]; then
- luks-setup $(even_bigdev)
- mkfs.btrfs -f $(crypt-dev $(even_bigdev))
+ if ! fsf && $even_big_part && [[ $dev == "$even_big_dev" ]]; then
+ luks-setup $even_big_dev ${even_big_dev##*/}
+ mkfs.btrfs -f /dev/mapper/${even_big_dev##*/}
fi
# Holds just a single file, rarely written, so
# 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)
- luks-setup $(rootdev)
+ mkfs.ext2 $dev$grub_extsuf
+
+ # for fsf, no encryption of root because root will not contain any
+ # sensitive data.
+ if ! fsf; then
+ luks-setup /dev/$vg/root crypt-$vg-root
+ fi
if [[ $SPECIAL_DISK ]]; then
exit 0
done
ls -la /dev/btrfs-control # this was probably for debugging...
sleep 1
- bpart $(for dev in ${devs[@]}; do root-cryptdev; done)
+
+ bpart ${root_devs[@]}
bpart ${boot_devs[@]}
-else
- for dev in ${devs[@]}; do
- if [[ -e /dev/mapper/$(root-cryptname) ]]; then
- continue
- fi
- if $rerootfs; then
- luks-setup $(rootdev)
- sleep 1
- bpart $(for dev in ${devs[@]}; do root-cryptdev; done)
- else
- cryptsetup luksOpen $(rootdev) $(root-cryptname) \
- --key-file $luks_file
- fi
- done
+
+else ## above: if $partition ##
+
+ if ! fsf; then
+ for vg in ${vgs[@]}; do
+ if [[ -e /dev/mapper/crypt-$vg-root ]]; then
+ continue
+ fi
+ if $rerootfs; then
+ luks-setup /dev/$vg/root crypt-$vg-root
+ else
+ cryptsetup luksOpen /dev/$vg/root $vg-root \
+ --key-file $luks_file
+ fi
+ done
+ fi
if $rerootfs; then
sleep 1
- bpart $(for dev in ${devs[@]}; do root-cryptdev; done)
+ bpart ${root_devs[@]}
fi
sleep 1
fi
if $wipe && [[ $DISTRO != debianbullseye_bootstrap ]]; then
# bootstrap distro doesn't use separate encrypted root.
- mount -o subvolid=0 $first_root_crypt /mnt
+ mount -o subvolid=0 ${root_devs[0]} /mnt
# systemd creates subvolumes we want to delete.
mapfile -t s < <(btrfs subvolume list --sort=-path /mnt |
sed -rn "s#^.*path\s*(root_$DISTRO/\S+)\s*\$#\1#p")
# for libreboot systems. grub2 only reads from subvolid=0
mkdir -p /mnt/grub2
+# todo: this probably needs updating for our lvm transition
cp $FAI/distro-install-common/libreboot_grub.cfg /mnt/grub2
if $wipe && [[ -e /mnt/$boot_vol ]]; then