2 # Copyright (C) 2016 Ian Kelling
4 # This program is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU General Public License
6 # as published by the Free Software Foundation; either version 2
7 # of the License, or (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 # todo /boot/chboot needs update for lvm i think?
22 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
24 if [[ $EUID != 0 ]]; then
25 echo "$0: error: need to run as root" >&2
29 # for calling outside of FAI without args:
32 # source /b/fai/fai-wrapper
33 # - set any appropriate classes with: fai-setclass OPT1... which sets CLASS_OPT1=true...
34 # or run eval-fai-classfile FILE.
35 # - Set a VOL_DISTROVER (if not doing mkroot2) eg:
36 # fai-setclass VOL_NABIA
38 # ARGS (only 1 is valid):
40 # mkroot2: for running outside of fai and setting up the root2/boot2 luks and btrfs and tab files
42 # mkroot2tab: for running outside of fai and setting up the root2/boot2 tab files, in case luks and btrfs
43 # happen to already be setup.
45 # mktab: for running outside of fai and generating a crypttab for
46 # the main root fs in /tmp/fai. Must run with env var, eg export DISTRO=trisquelnabia.
48 # Example use in a bootstrap distro:
49 # scp /a/bin/fai/fai/config/{distro-install-common/devbyid,hooks/partition.DEFAULT} root@HOST:
51 # export DISTRO=trisquelnabia; ./partition.DEFAULT mktab
52 # ## cryptsetup wont take within a pipeline
53 # mapfile -t lines < <(awk '! /swap/ {print $2,$1}' /tmp/fai/crypttab )
54 # for l in "${lines[@]}"; do cryptsetup luksOpen $l; done
56 # # or alternatively, to avoid typing it many times:
57 # read -r lukspw; for l in "${lines[@]}"; do yes "$lukspw" | cryptsetup luksOpen $l; done
59 ## potentially useful later:
60 # sed 's#/root/keyscript,#decrypt_keyctl,#;s/$/,noauto/' /tmp/fai/crypttab >/etc/crypttab
62 # environment variables:
64 # HOSTNAME: if frodo, we exclude 2 devices from the /boot array, which
65 # the bios does not see. if demohost, we set the luks password to just
68 # SPECIAL_DISK: For use outside of fai. A base disk name like
69 # /dev/sdk. If set, we just cryptsetup and partition this one disk then
70 # exit. This is useful for partitioning a disk in preparation to replace
71 # a failed or failing disk from a raid10 array.
75 # REPARTITION: forces repartitioning even if we detect the proper amount
76 # of partitions already exist.
78 # NOWIPE: use existing subvolumes if they exist
80 # REROOTFS: Don't reuse the root filesystem, even if we normally would
82 # ROTATIONAL: forces to install onto hdds instead of sdds. normally sdds
83 # are chosen if they exist.
85 # PARTITION_PROMPT: command line prompt before partitioning. This is good
86 # to set if we don't expect repartitioning to happen.
88 # ROTATIONAL: in a system with ssd and hdd, install to the hdd
89 # instead of the default ssd.
91 # RAID0: forces raid0 filesystem. Normally with 4+ devices, we use
93 # RAID1: forces raid1 filesystem.
94 # RAID1c3: forces raid1c3 filesystem (btrfs raid 1, 3 copies).
100 ## duplicates fai-wrapper, for convenience of not needing it
101 if ! type -t ifclass
&>/dev
/null
; then
103 local var
=${1/#/CLASS_}
104 [[ $HOSTNAME == "$1" ||
${!var} ]]
119 echo "$0: error: unsupported arg: $1" >&2
126 if [[ $SPECIAL_DISK ]]; then
127 export CLASS_REPARTITION
=true
130 # # fai's setup-storage won't do btrfs on luks,
131 # # so we do it ourself :)
132 # inspiration taken from files in fai-setup-storage package
134 # if we are not running in fai, skiptask won't be defined, so carry on.
135 skiptask partition ||
! type skiptask
137 if ! type -p devbyid
; then
138 for d
in $FAI/distro-install-common \
139 /a
/bin
/fai
/fai
/config
/distro-install-common
$FAI $PWD; do
140 [[ -d $d ]] ||
continue
141 if [[ -e $d/devbyid
]]; then
143 devbyid
() { $devbyid "$@"; }
147 if [[ ! $devbyid ]]; then
148 echo "$0: error: failed to find devbyid script" >&2
153 #### begin configuration
155 # this is the ordering of the /dev/sdaX, but
156 # the ordering of the partition layout goes like this:
168 ##### end configuration
170 ##### begin function defs
172 bpart
() { # btrfs a partition
174 0) mkfs.btrfs
-f $@
;;
175 *) mkfs.btrfs
-f -m raid
$raid_level -d raid
$raid_level $@
;;
190 if [[ ! $luks_dir ]]; then
191 # see README for docs about how to create these
192 luks_dir
=$FAI/distro-install-common
/luks
193 if [[ ! -d $luks_dir ]]; then
194 luks_dir
=/q
/root
/luks
196 if [[ ! -d $luks_dir ]]; then
197 echo "$0: error: no luks_dir found" >&2
202 luks_file
=$luks_dir/host-
$HOSTNAME
203 if [[ ! -e $luks_file ]]; then
204 # shellcheck disable=SC2206 # globbing is intended
205 hostkeys
=($luks_dir/host-
*)
206 # if there is only one key, we might be deploying somewhere
207 # where dhcp doesnt give us a proper hostname, so use that.
208 if [[ ${#hostkeys[@]} == 1 && -e ${hostkeys[0]} ]]; then
209 luks_file
=${hostkeys[0]}
211 echo "$0: error: no key for hostname at $luks_file" >&2
216 # # note, corresponding changes in /b/ds/keyscript-{on,off}
217 if ifclass demohost
; then
219 elif [[ -e $luks_dir/$HOSTNAME ]]; then
220 lukspw
=$
(cat $luks_dir/$HOSTNAME)
222 lukspw
=$
(cat $luks_dir/iank
)
226 luks_file
=$luks_dir/host-amy
227 lukspw
=$
(cat $luks_dir/amy
)
239 echo $
(( $
(parted
-m $d unit MiB print | \
240 sed -nr "s#^/dev/[^:]+:([0-9]+).*#\1#p") - 1))
246 # when we move to newer than trisquel 9, we can remove
247 # --type luks1. We can also check on cryptsetup --help | less /compil
248 # to see about the other settings. Default in debian 9 is luks2.
249 # You can convert from luks2 to luks 1 by adding a temporary key:
250 # cryptsetup luksAddKey --pbkdf pbkdf2
251 # then remove the new format keys with cryptsetup luksRemoveKey
252 # then cryptsetup convert DEV --type luks1, then readd old keys and remove temp.
253 yes YES | cryptsetup luksFormat
$luksdev $luks_file ||
[[ $?
== 141 ]]
255 cryptsetup luksAddKey
--key-file $luks_file \
256 $luksdev ||
[[ $?
== 141 ]]
257 # background: Keyfile and password are treated just
258 # like 2 ways to input a passphrase, so we don't actually need to have
259 # different contents of keyfile and passphrase, but it makes some
260 # security sense to a really big randomly generated passphrase
261 # as much as possible, so we have both.
263 # This would remove the keyfile.
264 # yes 'test' | cryptsetup luksRemoveKey /dev/... \
265 # /key/file || [[ $? == 141 ]]
266 cryptsetup luksOpen
$luksdev $cryptname --key-file $luks_file
272 fstabstd
="x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s"
274 if [[ $DISTRO == debianbullseye_bootstrap
]]; then
275 cat > /tmp
/fai
/fstab
<<EOF
276 $first_boot_dev / btrfs noatime,subvol=$boot_vol 0 0
277 $first_efi /boot/efi vfat nofail,$fstabstd 0 0
279 cat >/tmp
/fai
/disk_var.sh
<<EOF
280 BOOT_DEVICE="${short_devs[@]}"
281 ROOT_PARTITION=$first_boot_dev
284 # note, fai creates the mountpoints listed here
285 cat > /tmp
/fai
/fstab
<<EOF
286 $first_root_dev / btrfs $fstabstd,noatime,subvol=root_$DISTRO$mopts 0 0
287 $first_root_dev /mnt/root btrfs nofail,$fstabstd,noatime,subvolid=0$mopts 0 0
288 $first_boot_dev /boot btrfs nofail,$fstabstd,noatime,subvol=$boot_vol 0 0
289 $first_efi /boot/efi vfat nofail,$fstabstd 0 0
290 $first_boot_dev /mnt/boot btrfs nofail,$fstabstd,noatime,subvolid=0 0 0
292 rm -f /tmp
/fai
/crypttab
293 for vg
in ${vgs[@]}; do
295 cat >>/tmp
/fai
/crypttab
<<EOF
296 crypt-$vg-root /dev/$vg/root none keyscript=/root/keyscript,discard,luks,initramfs
297 crypt-$vg-swap /dev/$vg/swap /dev/urandom swap,cipher=aes-xts-plain64,size=256,hash=ripemd160
301 cat >> /tmp
/fai
/fstab
<<EOF
302 /dev/$vg/swap none swap nofail,$fstabstd,sw 0 0
305 cat >> /tmp
/fai
/fstab
<<EOF
306 /dev/mapper/crypt-$vg-swap none swap nofail,$fstabstd,sw 0 0
312 #BOOT_DEVICE=\${BOOT_DEVICE:-"${devs[0]}"}
314 # note: swaplist seems to do nothing.
315 cat >/tmp
/fai
/disk_var.sh
<<EOF
316 BOOT_DEVICE="${short_devs[@]}"
317 BOOT_PARTITION=\${BOOT_PARTITION:-$first_boot_dev}
318 # ROOT_PARTITIONS is added by me, used in arch setup.
319 ROOT_PARTITIONS="${root_devs[@]}"
320 ROOT_PARTITION=\${ROOT_PARTITION:-$first_root_dev}
321 SWAPLIST=\${SWAPLIST:-"${swap_devs[@]}"}
324 if [[ $HOSTNAME == kd
]]; then
325 # note, having these with keyscript and initramfs causes a luks error in fai.log,
326 # but it is safely ignorable and gets us the ability to just type our password
327 # in once at boot. A downside is that they are probably needed to be plugged in to boot.
328 cat >>/tmp
/fai
/crypttab
<<EOF
329 crypt_dev_ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V${even_bigsuf} /dev/disk/by-id/ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V${even_bigsuf} none keyscript=decrypt_keyctl,discard,luks,initramfs
330 crypt_dev_ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 /dev/disk/by-id/ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 none keyscript=decrypt_keyctl,discard,luks,initramfs
331 crypt_dev_ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 /dev/disk/by-id/ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 none keyscript=decrypt_keyctl,discard,luks,initramfs
333 cat >> /tmp
/fai
/fstab
<<EOF
334 # r7 = root partition7. it isnt actually #7 anymore, not a great name, but whatever
335 /dev/mapper/crypt_dev_ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V${even_bigsuf} /mnt/r7 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
336 /dev/mapper/crypt_dev_ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 /mnt/rust1 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
337 /dev/mapper/crypt_dev_ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 /mnt/rust2 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
345 #### root2 non-fai run
347 # todo: update for lvm
350 # We write to these files instead of just /etc/fstab, /etc/crypttab,
351 # because these are filesystems created after our current root, and so
352 # this allows us to update other root filesystems too.
353 rm -f /mnt
/root
/root2-
{fs
,crypt}tab
355 echo $0: error
: found partition
=true but have mkroot2 arg
359 for vg
in ${vgs[@]}; do
360 root2_devs
+=(/dev
/mapper
/crypt-
$vg-root2)
362 luks-setup
/dev
/$vg/root2 crypt-
$vg-root2
364 cat >>/mnt
/root
/root2-crypttab
<<EOF
365 crypt-$vg-root2 /dev/$vg/root2 $luks_file discard,luks,initramfs
369 bpart
${root2_devs[@]}
370 bpart
${boot2_devs[@]}
372 mkdir
-p /mnt
/root2
/mnt
/boot2
373 cat >>/mnt
/root
/root2-fstab
<<EOF
374 ${root2_devs[0]} /mnt/root2 btrfs nofail,x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s,noatime,subvolid=0$mopts 0 0
375 ${boot2_devs[0]} /mnt/boot2 btrfs nofail,x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s,noatime,subvolid=0 0 0
381 ##### end function defs
384 ##### begin variable setup
386 if ifclass REPARTITION
; then
387 partition
=true
# force a full wipe
390 if ifclass NOWIPE
; then
395 if ifclass REROOTFS
; then
399 if (($
(nproc
) > 2)); then
403 declare -A disk_excludes
404 if ! $mkroot2 && ! $mkroot2tab && ! $mktab ! ifclass USE_MOUNTED
; then
405 ## ignore disks that are mounted, eg when running from fai-cd
408 if [[ ! $PKNAME ]]; then
409 # shellcheck disable=SC2153 # not a misspelling
412 if [[ $MOUNTPOINT ]]; then
413 disk_excludes
[$PKNAME]=true
415 done < <(lsblk
-nP -o KNAME
,MOUNTPOINT
,PKNAME
)
420 # this excludes "usb". vda disk has empty tran (transport). This may need adjustment
421 # for some new type we come across. cdrom has type "rom"
422 for disk
in $
(lsblk
-ndo name
,type,tran |
awk '$3 ~ "^(sata|nvme|)$" && $2 == "disk" { print $1 }'); do
423 if [[ ${disk_excludes[$disk]} ]]; then
430 case $
(cat /sys
/block
/$disk/queue
/rotational
) in
433 echo $0: found ssd
/dev
/$disk
437 echo $0: found hdd
/dev
/$disk
439 *) echo "$0: error: unknown /sys/block/$disk/queue/rotational: \
440 $(cat $disk/queue/rotational)"; exit 1 ;;
444 # install all ssds, or if there are none, all hdds.
445 # Note, usb flash disks are seen as rotational, which is
446 # very odd, but convenient for ignoring them here.
447 if ! ifclass ROTATIONAL
&& (( ${#ssds[@]} > 0 )); then
448 read -ra short_devs
<<<"${ssds[@]}"
450 read -ra short_devs
<<<"${hdds[@]}"
462 # ext partition so grub can write persistent variables,
463 # so it can do a one time boot. grub can't write to
464 # btrfs or any cow fs because it's more
465 # more complicated to do and they don't want to.
467 # bios boot partition,
468 # https://wiki.archlinux.org/index.php/GRUB
470 # for an even raid (raid 1), when one disk is bigger, this partition goes on the big disk
473 # check if the partitions exist have the right filesystems
474 #blkid="$(blkid -s TYPE)"
475 for dev
in ${short_devs[@]}; do
476 if $partition; then break; fi
477 y
=$
(readlink
-f $dev)
478 # shellcheck disable=SC2206 # globbing is intended
480 if (( ${#arr[@]} < lastn
)); then
483 # On one system, blkid is missing some partitions.
484 # maybe we need a flag, like FUZZY_BLKID or something, so we
485 # can check that at least some exist.
486 # for x in "`rootdev`: TYPE=\"crypto_LUKS\"" "`bootdev`: TYPE=\"btrfs\""; do
487 # echo "$blkid" | grep -Fx "$x" &>/dev/null || partition=true
491 if $partition && ifclass PARTITION_PROMPT
; then
492 echo "Press any key except ctrl-c to continue and partition these drives:"
493 echo " ${short_devs[*]}"
503 for short_dev
in ${short_devs[@]}; do
504 dev
="$(devbyid $short_dev)"
505 if [[ $dev != */by-id
/* ]]; then
506 # no by-id link, assume we are in a vm and this is true for all devs.
509 # for vms, cant name a vg the same as the short device name, they
510 # conflict: /dev/$vg is already taken
517 root_devs
+=(/dev
/$vg/root
)
518 swap_devs
+=(/dev
/$vg/swap
)
520 root_devs
+=(/dev
/mapper
/crypt-
$vg-root)
521 swap_devs
+=(/dev
/mapper
/crypt-
$vg-swap)
524 first_root_dev
=${root_devs[0]}
525 if [[ ! ${devs[0]} ]]; then
526 echo "$0: error: failed to detect devs" >&2
532 pvsuf
=$partsuffix$pvn
533 efisuf
=$partsuffix$efin
534 grub_extsuf
=$partsuffix$grub_extn
535 bios_grubsuf
=$partsuffix$bios_grubn
536 even_bigsuf
=$partsuffix$even_bign
543 for dev
in ${devs[@]}; do
545 # I ran into a machine (frodo) where the bios doesn't know about some disks,
546 # so 1st stage of grub also doesn't know about them.
547 # Also, grub does not support mounting degraded btrfs as far as
548 # I can tell with some googling.
549 # From within an arch install env, I could detect them by noting
550 # their partitions were mixed with the next disk in /dev/disk/by-path,
551 # and I have mixed model disks, and I could see the 8 models which showed
552 # up in the bios, and thus see which 2 models were missing.
553 # hdparm -I /dev/sdh will give model info in linux.
554 # However, in fai on jessie, /dev/disk/by-path dir doesn't exist,
555 # and I don't see another way, so I'm hardcoding them.
556 # We still put grub on them and partition them the same, for uniformity
557 # and in case they get moved to a system that can recognize them,
558 # we just exclude them from the boot filesystem.
561 for id
in ata-TOSHIBA_MD04ACA500_8539K4TQFS9A \
562 ata-TOSHIBA_MD04ACA500_Y5IFK6IJFS9A
; do
563 if [[ $
(readlink
-f $id) == "$(readlink -f $dev)" ]]; then
571 boot_devs
+=(/dev
/$vg/boot
)
572 boot2_devs
+=(/dev
/$vg/boot2
)
573 boot_space
=$
(( boot_space
+ $
(parted
-m $dev unit MiB print | \
574 sed -nr "s#^/dev/[^:]+:([0-9]+).*#\1#p") - 1))
576 first_efi
=$dev$efisuf
577 first_grub_extdev
=$dev$grub_extsuf
581 first_boot_dev
=${boot_devs[0]}
584 if ifclass RAID0 ||
(( ${#boot_devs[@]} == 1 )); then
587 elif ifclass RAID1 ||
(( ${#boot_devs[@]} == 2 )); then
588 if (( ${#boot_devs[@]} == 2 )); then
593 elif ifclass RAID1c3 ||
(( ${#boot_devs[@]} == 3 )); then
603 ### Begin calculate boot partition space
604 # due to raid duplication
606 1|
10) boot_space
=$
(( boot_space
/ 2 )) ;;
607 1c3
) boot_space
=$
(( boot_space
/ 3 )) ;;
611 elif (( boot_space
> 900000 )); then
612 # this is larger than needed for several /boot subvols,
613 # becuase I keep a minimal debian install on it for
614 # recovery needs and for doing pxe-kexec.
618 elif (( boot_space
> 30000 )); then
619 boot_mib
=$
(( 5000 + (boot_space
- 30000) / 2 ))
623 # Small vms don't have room for /boot recovery. With 3 kernels
624 # installed, i'm using 132M on t8, so this seems like plenty of
625 # room. note: rhel 8 recomments 1g for /boot. u20.04 with 3 kernels =
626 # 308 mb, so things have grown significantly
631 boot_part_mib
=$
(( boot_mib
* raid_duplication
/ ${#boot_devs[@]} ))
637 boot2_part_mib
=$
(( boot2_mib
* raid_duplication
/ ${#boot_devs[@]} ))
638 root2_part_mib
=$
(( root2_mib
* raid_duplication
/ ${#root_devs[@]} ))
640 ### end calculate boot partition space
643 if [[ ! $DISTRO ]]; then
644 if ifclass VOL_BULLSEYE_BOOTSTRAP
; then
645 DISTRO
=debianbullseye_bootstrap
646 elif ifclass VOL_STRETCH
; then
648 elif ifclass VOL_BUSTER
; then
650 elif ifclass VOL_BULLSEYE
; then
651 DISTRO
=debianbullseye
652 elif ifclass VOL_BOOKWORM
; then
653 DISTRO
=debianbookworm
654 elif ifclass VOL_TESTING
; then
656 elif ifclass VOL_XENIAL
; then
658 elif ifclass VOL_BIONIC
; then
660 elif ifclass VOL_FOCAL
; then
662 elif ifclass VOL_JAMMY
; then
664 elif ifclass VOL_FLIDAS
; then
665 DISTRO
=trisquelflidas
666 elif ifclass VOL_ETIONA
; then
667 DISTRO
=trisqueletiona
668 elif ifclass VOL_NABIA
; then
670 elif ifclass VOL_ARAMO
; then
672 elif $mkroot2 ||
$mkroot2tab; then
675 echo "PARTITIONER ERROR: no distro class/var set" >&2
680 if [[ $DISTRO == debianbullseye_bootstrap
]]; then
681 # this is just convenience for the libreboot_grub config
682 # so we can glob the other ones easier.
685 boot_vol
=boot_
$DISTRO
689 # 1.5 x based on https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Installation_Guide/sect-disk-partitioning-setup-x86.html#sect-custom-partitioning-x86
690 swap_mib
=$
(( $
(grep ^MemTotal
: /proc
/meminfo | \
691 awk '{print $2}') * 3/(${#devs[@]} * 2 ) / 1024 ))
694 ##### end variable setup
699 if $mkroot2 ||
$mkroot2tab; then
715 if [[ ! $SPECIAL_DISK ]]; then
716 for lv
in $
(lvs
--noheadings -o lv_path
); do
719 for vg
in $
(vgs
--noheadings -o vgname
); do
723 for pv
in $
(pvs
--noheadings -o pvname
); do
726 for dev
in ${devs[@]}; do
727 # if we repartition to the same as an old partition,
728 # we don't want any old fses hanging around.
730 # wipefs has failed, manual run works, google suggests timing issue
731 while ! wipefs
-a $dev; do
733 count_down
=$
((count_down
- 1))
734 (( count_down
> 0 )) ||
exit 1
741 # When we have 2 disks of at least 100g difference in size,
742 # make an extra partition on the end of the bigger one.
748 if (( $
(dev-mib
${devs[0]}) >= $
(dev-mib
${devs[1]}) )); then
752 disk_mib
=$
(dev-mib
${devs[smalli]})
753 even_big_dev
=${devs[bigi]}
754 even_big_mib
=$
(dev-mib
$even_big_dev)
755 if (( even_big_mib
- disk_mib
> even_diff_min
)); then
760 for dev
in ${devs[@]}; do
762 if [[ $SPECIAL_DISK ]]; then
763 dev
=$
(devbyid
$SPECIAL_DISK)
766 # parted will round up the disk size. Do -1 so we can have
767 # fully 1MiB unit partitions for easy resizing of the last partition.
768 # Otherwise we would pass in -0 for the end argument for the last partition.
770 # Note: parted print error output is expected. example:
771 # Error: /dev/vda: unrecognised disk label
772 if ! $even_raid; then
777 parted
-s $dev mklabel gpt
778 # MiB because parted complains about alignment otherwise.
779 pcmd
="parted -a optimal -s -- $dev"
781 $pcmd mkpart primary ext3
524MiB
${disk_mib}MiB
784 pvcreate
-y $dev$pvsuf
785 vgcreate
-y $vg $dev$pvsuf
790 # 600 = uefi 512 + grubext 8 + bios grub 3 + some extra cuz this is lvm
791 root_mib
=$
(( disk_mib
- root2_part_mib
- swap_mib
- boot_part_mib
- boot2_part_mib
- 600 ))
794 # -L unit default mebibyte
795 lvcreate
-y -L $root_mib $vg -n root
796 lvcreate
-y -L $swap_mib $vg -n swap
797 # unencrypted swap needs mkswap
801 lvcreate
-y -L $boot_part_mib $vg -n boot
804 # todo: now that we are using lvm, this doesnt need to be done until mkroot2
805 lvcreate
-y -L $root2_part_mib $vg -n root2
806 lvcreate
-y -L $boot2_part_mib $vg -n boot2
809 # uefi partition, for normal bios systems, its just in case.
810 $pcmd mkpart primary
"fat32" 12MiB
524MiB
812 # note, this is shown here: https://support.system76.com/articles/bootloader/
813 # but not mentioned https://wiki.archlinux.org/index.php/EFI_system_partition
814 # might not be needed
815 $pcmd set $efin esp on
817 # i only need a few k, but googling min size,
818 # I found someone saying that gparted required
819 # required at least 8 because of their hard drive cylinder size.
820 # And 8 is still very tiny.
822 $pcmd mkpart primary
"ext2" 4MiB
12MiB
823 $pcmd name
$grub_extn grubext
824 # gpt ubuntu cloud image uses ~4 mb for this partition. fai uses 1 MiB.
825 # so, I use 3, whatever.
826 # note: parted manual saying cheap flash media
827 # should to start at 4.
828 # biols grub partition
829 $pcmd mkpart primary
"" 1MiB
4MiB
830 $pcmd name
$bios_grubn biosgrub
831 $pcmd set $bios_grubn bios_grub on
832 if $even_big_part && [[ $dev == "$even_big_dev" ]]; then
833 $pcmd mkpart primary ext3
${disk_mib}MiB
${even_big_mib}MiB
834 $pcmd name
$even_bign even_big
837 # the mkfs failed before on a vm, which prompted me to add
839 # then it failed again on a physical machine
841 # Device /dev/disk/by-id/foo doesn't exist or access denied,
842 # so I added a wait until it existed.
843 # Then I added the mkfs.ext2, which claimed to succeed,
844 # but then couldn't be found upon reboot. In that case we didn't
845 # wait at all. So I've added a 3 second minimum wait.
847 while [[ ! -e $dev$bios_grubsuf ]] && (( secs
< 10 )); do
853 mkfs.fat
-F32 $dev$efisuf
855 if ! fsf
&& $even_big_part && [[ $dev == "$even_big_dev" ]]; then
856 luks-setup
$even_big_dev ${even_big_dev##*/}
857 mkfs.btrfs
-f /dev
/mapper
/${even_big_dev##*/}
860 # Holds just a single file, rarely written, so
861 # use ext2, like was often used for the /boot partition.
862 # This exists because grub can only persist data to a non-cow fs.
863 # And we use persisting a var in grub to do a one time boot.
864 # We could pass the data on the kernel command line and persist it
865 # to grubenv after booting, but that relies on the boot always succeeding.
866 # This is just a bit more robust, and it could work for booting
867 # into ipxe which can't persist data, if we ever got that working.
868 mkfs.ext2
$dev$grub_extsuf
870 # for fsf, no encryption of root because root will not contain any
873 luks-setup
/dev
/$vg/root crypt-
$vg-root
876 if [[ $SPECIAL_DISK ]]; then
880 ls -la /dev
/btrfs-control
# this was probably for debugging...
883 bpart
${root_devs[@]}
884 bpart
${boot_devs[@]}
886 else ## above: if $partition ##
889 for vg
in ${vgs[@]}; do
890 if [[ -e /dev
/mapper
/crypt-
$vg-root ]]; then
894 luks-setup
/dev
/$vg/root crypt-
$vg-root
896 cryptsetup luksOpen
/dev
/$vg/root
$vg-root \
897 --key-file $luks_file
904 bpart
${root_devs[@]}
910 if $wipe && [[ $DISTRO != debianbullseye_bootstrap
]]; then
911 # bootstrap distro doesn't use separate encrypted root.
912 mount
-o subvolid
=0 ${root_devs[0]} /mnt
913 # systemd creates subvolumes we want to delete.
914 mapfile
-t s
< <(btrfs subvolume list
--sort=-path /mnt |
915 sed -rn "s#^.*path\s*(root_$DISTRO/\S+)\s*\$#\1#p")
916 for subvol
in ${s[@]}; do btrfs subvolume delete
/mnt
/$subvol; done
917 btrfs subvolume set-default
0 /mnt
918 [[ ! -e /mnt
/root_
$DISTRO ]] || btrfs subvolume delete
/mnt
/root_
$DISTRO
923 btrfs subvolume create root_
$DISTRO
925 # could set default subvol like this, but no reason to.
926 # btrfs subvolume set-default \
927 # $(btrfs subvolume list . | grep "root_$DISTRO$" | awk '{print $2}') .
929 # For raid systems, cow allows for error correction, for non-raid systems,
930 # protects root fs from having the plug pulled. Reprovisioning a root
931 # subvol is not my favorite thing to do.
932 # # no cow on the root filesystem. it's setup is fully scripted,
933 # # if it's messed up, we will just recreated it,
934 # # and we can get better perf with this.
935 # # I can't remember exactly why, but this is preferable to mounting with
936 # # -o nodatacow, I think because subvolumes inherit that.
937 # chattr -Rf +C root_$DISTRO
942 mount
-o subvolid
=0 $first_boot_dev /mnt
944 btrfs subvolume set-default
0 /mnt
# already default, just ensuring it.
946 # for libreboot systems. grub2 only reads from subvolid=0
948 # todo: this probably needs updating for our lvm transition
949 cp $FAI/distro-install-common
/libreboot_grub.cfg
/mnt
/grub2
951 if $wipe && [[ -e /mnt
/$boot_vol ]]; then
952 btrfs subvolume delete
/mnt
/$boot_vol
954 if [[ ! -e /mnt
/$boot_vol ]]; then
955 btrfs subvolume create
$boot_vol
959 ## end create subvols ##
961 mount
$first_grub_extdev /mnt
962 grub-editenv
/mnt
/grubenv
set did_fai_check
=true
963 grub-editenv
/mnt
/grubenv
set last_boot
=/$boot_vol
967 # initial setup of extra data fs, mounted,
968 # btrfs subvol create nocow
970 # chown iank.iank nocow