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.
20 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
22 if [[ $EUID != 0 ]]; then
23 echo "$0: error: need to run as root" >&2
27 # for calling outside of FAI:
30 # source /b/fai/fai-wrapper
31 # - set any appropriate classes with: fai-setclass OPT1... which sets CLASS_OPT1=true...
32 # or run eval-fai-classfile FILE.
33 # - Set a VOL_DISTROVER (if not doing mkroot2) eg:
34 # fai-setclass VOL_NABIA
38 # mkroot2: for running outside of fai and setting up the root2/boot2 luks and btrfs
40 # environment variables:
42 # HOSTNAME: if frodo, we exclude 2 devices from the /boot array, which
43 # the bios does not see. if demohost, we set the luks password to just
46 # SPECIAL_DISK: For use outside of fai. A base disk name like
47 # /dev/sdk. If set, we just cryptsetup and partition this one disk then
48 # exit. This is useful for partitioning a disk in preparation to replace
49 # a failed or failing disk from a raid10 array.
53 # REPARTITION: forces repartitioning even if we detect the proper amount
54 # of partitions already exist.
56 # NOWIPE: use existing subvolumes if they exist
58 # ROTATIONAL: forces to install onto hdds instead of sdds. normally sdds
59 # are chosen if they exist.
61 # PARTITION_PROMPT: command line prompt before partitioning
63 # RAID0: forces raid0 filesystem. Normally with 4+ devices, we use
65 # RAID1: forces raid1 filesystem.
74 echo "$0: error: unsupported arg: $1" >&2
81 if [[ $SPECIAL_DISK ]]; then
82 export CLASS_REPARTITION
=true
85 # # fai's setup-storage won't do btrfs on luks,
86 # # so we do it ourself :)
87 # inspiration taken from files in fai-setup-storage package
89 # if we are not running in fai, skiptask won't be defined, so carry on.
90 skiptask partition ||
! type skiptask
92 if ! type -p devbyid
; then
93 for d
in $FAI/distro-install-common \
94 /a
/bin
/fai
/fai
/config
/distro-install-common
$FAI $PWD; do
95 [[ -d $d ]] ||
continue
96 if [[ -e $d/devbyid
]]; then
98 devbyid
() { $devbyid "$@"; }
102 if [[ ! $devbyid ]]; then
103 echo "$0: error: failed to find devbyid script" >&2
110 #### begin configuration
112 # this is the ordering of the /dev/sdaX, but
113 # the ordering of the partition layout goes like this:
127 # ext partition so grub can write persistent variables,
128 # so it can do a one time boot. grub can't write to
129 # btrfs or any cow fs because it's more
130 # more complicated to do and they don't want to.
132 # bios boot partition,
133 # https://wiki.archlinux.org/index.php/GRUB
140 ##### end configuration
143 add-part
() { # add partition suffix to $dev
145 if [[ $# == 1 ]]; then
155 rootdev
() { add-part $@
$rootn; }
156 root2dev
() { add-part $@
$root2n; }
157 swapdev
() { add-part $@
$swapn; }
158 bootdev
() { add-part $@
$bootn; }
159 boot2dev
() { add-part $@
$boot2n; }
160 efidev
() { add-part $@
$efin; }
161 grub_extdev
() { add-part $@
$grub_extn; }
162 bios_grubdev
() { add-part $@
$bios_grubn; }
163 even_bigdev
() { add-part $@
$even_bign; }
165 crypt-dev
() { echo /dev
/mapper
/crypt_dev_
${1##*/}; }
166 crypt-name
() { echo crypt_dev_
${1##*/}; }
167 root-cryptdev
() { crypt-dev $
(rootdev $@
); }
168 root2-cryptdev
() { crypt-dev $
(root2dev $@
); }
169 swap-cryptdev
() { crypt-dev $
(swapdev $@
); }
170 root-cryptname
() { crypt-name $
(rootdev $@
); }
171 root2-cryptname
() { crypt-name $
(root2dev $@
); }
172 swap-cryptname
() { crypt-name $
(swapdev $@
); }
176 echo $
(( $
(parted
-m $d unit MiB print | \
177 sed -nr "s#^/dev/[^:]+:([0-9]+).*#\1#p") - 1))
182 # when we move to newer than trisquel 9, we can remove
183 # --type luks1. We can also check on cryptsetup --help | less /compil
184 # to see about the other settings. Default in debian 9 is luks2.
185 # You can convert from luks2 to luks 1 by adding a temporary key:
186 # cryptsetup luksAddKey --pbkdf pbkdf2
187 # then remove the new format keys with cryptsetup luksRemoveKey
188 # then cryptsetup convert DEV --type luks1, then readd old keys and remove temp.
189 yes YES | cryptsetup luksFormat
$luksdev $luks_file \
190 --type luks1
-c aes-cbc-essiv
:sha256
-s 256 ||
[[ $?
== 141 ]]
192 cryptsetup luksAddKey
--key-file $luks_file \
193 $luksdev ||
[[ $?
== 141 ]]
194 # background: Keyfile and password are treated just
195 # like 2 ways to input a passphrase, so we don't actually need to have
196 # different contents of keyfile and passphrase, but it makes some
197 # security sense to a really big randomly generated passphrase
198 # as much as possible, so we have both.
200 # This would remove the keyfile.
201 # yes 'test' | cryptsetup luksRemoveKey /dev/... \
202 # /key/file || [[ $? == 141 ]]
203 cryptsetup luksOpen
$luksdev $
(crypt-name
$luksdev) --key-file $luks_file
206 ##### end function defs
208 if ifclass REPARTITION
; then
209 partition
=true
# force a full wipe
211 partition
=false
# change to true to force a full wipe
213 if ifclass NOWIPE
; then
219 if (($
(nproc
) > 2)); then
223 declare -A disk_excludes
224 if ! $mkroot2 && ! ifclass USE_MOUNTED
; then
225 ## ignore disks that are mounted, eg when running from fai-cd
228 if [[ ! $PKNAME ]]; then
231 if [[ $MOUNTPOINT ]]; then
232 disk_excludes
[$PKNAME]=true
234 done < <(lsblk
-nP -o KNAME
,MOUNTPOINT
,PKNAME
)
239 # this excludes usb. note: i may encounter some other type in the future.
240 for disk
in $
(lsblk
-do name
,tran
-n |
awk '$2 ~ "^(sata|nvme)$" { print $1 }'); do
241 if [[ ${disk_excludes[$disk]} ]]; then
244 case $
(cat /sys
/block
/$disk/queue
/rotational
) in
245 0) ssds
+=(/dev
/$disk) ;;
246 1) hdds
+=(/dev
/$disk) ;;
247 *) echo "$0: error: unknown /sys/block/$disk/queue/rotational: \
248 $(cat $disk/queue/rotational)"; exit 1 ;;
252 # install all ssds, or if there are none, all hdds.
253 # Note, usb flash disks are seen as rotational, which is
254 # very odd, but convenient for ignoring them here.
255 # TODO: find a reliable way to ignore them.
256 if ! ifclass ROTATIONAL
&& (( ${#ssds[@]} > 0 )); then
257 short_devs
=( ${ssds[@]} )
259 short_devs
=( ${hdds[@]} )
262 # check if the partitions exist have the right filesystems
263 #blkid="$(blkid -s TYPE)"
264 for dev
in ${short_devs[@]}; do
265 if $partition; then break; fi
266 y
=$
(readlink
-f $dev)
268 if (( ${#arr[@]} < lastn
)); then
271 # On one system, blkid is missing some partitions.
272 # maybe we need a flag, like FUZZY_BLKID or something, so we
273 # can check that at least some exist.
274 # for x in "`rootdev`: TYPE=\"crypto_LUKS\"" "`bootdev`: TYPE=\"btrfs\""; do
275 # echo "$blkid" | grep -Fx "$x" &>/dev/null || partition=true
279 if $partition && ifclass PARTITION_PROMPT
; then
280 echo "Press any key except ctrl-c to continue and partition these drives:"
281 echo " ${short_devs[*]}"
287 for short_dev
in ${short_devs[@]}; do
288 devs
+=($
(devbyid
$short_dev))
290 if [[ ! ${devs[0]} ]]; then
291 echo "$0: error: failed to detect devs" >&2
299 for dev
in ${devs[@]}; do
300 if ifclass frodo
; then
301 # I ran into a machine where the bios doesn't know about some disks,
302 # so 1st stage of grub also doesn't know about them.
303 # Also, grub does not support mounting degraded btrfs as far as
304 # I can tell with some googling.
305 # From within an arch install env, I could detect them by noting
306 # their partitions were mixed with the next disk in /dev/disk/by-path,
307 # and I have mixed model disks, and I could see the 8 models which showed
308 # up in the bios, and thus see which 2 models were missing.
309 # hdparm -I /dev/sdh will give model info in linux.
310 # However, in fai on jessie, /dev/disk/by-path dir doesn't exist,
311 # and I don't see another way, so I'm hardcoding them.
312 # We still put grub on them and partition them the same, for uniformity
313 # and in case they get moved to a system that can recognize them,
314 # we just exclude them from the boot filesystem.
317 for id
in ata-TOSHIBA_MD04ACA500_8539K4TQFS9A \
318 ata-TOSHIBA_MD04ACA500_Y5IFK6IJFS9A
; do
319 if [[ $
(readlink
-f $id) == "$(readlink -f $dev)" ]]; then
325 boot_devs
+=($
(bootdev
))
326 boot2_devs
+=($
(boot2dev
))
329 boot_space
=$
(( boot_space
+ $
(parted
-m $dev unit MiB print | \
330 sed -nr "s#^/dev/[^:]+:([0-9]+).*#\1#p") - 1))
331 boot_devs
+=($
(bootdev
))
332 boot2_devs
+=($
(boot2dev
))
334 if $first && [[ $boot_devs ]]; then
336 first_grub_extdev
=$
(grub_extdev
)
340 first_boot_dev
=${boot_devs[0]}
343 if ifclass RAID0 ||
(( ${#boot_devs[@]} == 1 )); then
345 elif ifclass RAID1 ||
(( ${#boot_devs[@]} <= 3 )); then
346 if (( ${#boot_devs[@]} == 2 )); then
354 ### Begin calculate boot partition space
355 # due to raid duplication
357 1*) boot_space
=$
(( boot_space
/ 2 )) ;;
359 if (( boot_space
> 60000 )); then
360 # this is larger than needed for several /boot subvols,
361 # becuase I keep a minimal debian install on it for
362 # recovery needs and for doing pxe-kexec.
366 elif (( boot_spa_ce
> 30000 )); then
367 boot_mib
=$
(( 5000 + (boot_space
- 30000) / 2 ))
371 # Small vms don't have room for /boot recovery. With 3 kernels
372 # installed, i'm using 132M on t8, so this seems like plenty of
373 # room. note: rhel 8 recomments 1g for /boot.
380 boot_mib
=$
(( boot_mib
* 2 ))
381 boot2_mib
=$
(( boot2_mib
* 2 ))
382 root2_mib
=$
(( root2_mib
* 2 ))
385 ### end calculate boot partition space
389 if [[ ! $DISTRO ]]; then
390 if ifclass VOL_BUSTER_BOOTSTRAP
; then
391 DISTRO
=debianbuster_bootstrap
392 elif ifclass VOL_STRETCH
; then
394 elif ifclass VOL_BUSTER
; then
396 elif ifclass VOL_BULLSEYE
; then
397 DISTRO
=debianbullseye
398 elif ifclass VOL_TESTING
; then
400 elif ifclass VOL_XENIAL
; then
402 elif ifclass VOL_BIONIC
; then
404 elif ifclass VOL_FOCAL
; then
406 elif ifclass VOL_FLIDAS
; then
407 DISTRO
=trisquelflidas
408 elif ifclass VOL_ETIONA
; then
409 DISTRO
=trisqueletiona
410 elif ifclass VOL_NABIA
; then
415 echo "PARTITIONER ERROR: no distro class/var set" >&2
421 bpart
() { # btrfs a partition
423 0) mkfs.btrfs
-f $@
;;
424 1) mkfs.btrfs
-f -m raid1
-d raid1 $@
;;
425 10) mkfs.btrfs
-f -m raid10
-d raid10 $@
;;
430 if [[ ! $luks_dir ]]; then
431 # see README for docs about how to create these
432 luks_dir
=$FAI/distro-install-common
/luks
433 if [[ ! -d $luks_dir ]]; then
434 luks_dir
=/q
/root
/luks
436 if [[ ! -d $luks_dir ]]; then
437 echo "$0: error: no luks_dir found" >&2
442 luks_file
=$luks_dir/host-
$HOSTNAME
443 if [[ ! -e $luks_file ]]; then
444 hostkeys
=($luks_dir/host-
*)
445 # if there is only one key, we might be deploying somewhere
446 # where dhcp doesnt give us a proper hostname, so use that.
447 if [[ ${#hostkeys[@]} == 1 && -e ${hostkeys[0]} ]]; then
448 luks_file
=${hostkeys[0]}
450 echo "$0: error: no key for hostname at $luks_file" >&2
455 # # note, corresponding changes in /b/ds/keyscript-{on,off}
456 if ifclass demohost
; then
458 elif [[ -e $luks_dir/$HOSTNAME ]]; then
459 lukspw
=$
(cat $luks_dir/$HOSTNAME)
461 lukspw
=$
(cat $luks_dir/iank
)
465 first_root_crypt
=$
(root-cryptdev
${devs[0]})
467 # 1.5 x based on https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Installation_Guide/sect-disk-partitioning-setup-x86.html#sect-custom-partitioning-x86
468 swap_mib
=$
(( $
(grep ^MemTotal
: /proc
/meminfo | \
469 awk '{print $2}') * 3/(${#devs[@]} * 2 ) / 1024 ))
473 for dev
in ${devs[@]}; do
474 root_devs
+=($
(rootdev
))
478 # We write to these files instead of just /etc/fstab, /etc/crypttab,
479 # because these are filesystems created after our current root, and so
480 # this allows us to update other root filesystems too.
481 rm -f /mnt
/root
/root2-
{fs
,crypt}tab
484 echo $0: error
: found partition
=true but have mkroot2 arg
487 for dev
in ${devs[@]}; do
488 luks_file
=$luks_dir/host-amy
489 lukspw
=$
(cat $luks_dir/amy
)
490 luks-setup $
(root2dev
)
491 cat >>/mnt
/root
/root2-crypttab
<<EOF
492 $(root2-cryptname) $(root2dev) $luks_file discard,luks,initramfs
495 bpart $
(for dev
in ${devs[@]}; do root2-cryptdev
; done)
496 bpart
${boot2_devs[@]}
497 mkdir
-p /mnt
/root2
/mnt
/boot2
498 cat >>/mnt
/root
/root2-fstab
<<EOF
499 $(root2-cryptdev ${devs[0]}) /mnt/root2 btrfs nofail,x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s,noatime,subvolid=0$mopts 0 0
500 ${boot2_devs[0]} /mnt/boot2 btrfs nofail,x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s,noatime,subvolid=0 0 0
508 if [[ ! $SPECIAL_DISK ]]; then
509 for dev
in ${devs[@]}; do
510 # if we repartition to the same as an old partition,
511 # we don't want any old fses hanging around.
512 for (( i
=1; i
<= lastn
; i
++ )); do
514 [[ -e $x ]] ||
continue
516 # wipefs has failed, manual run works, google suggests timing issue
517 while ! wipefs
-a $x; do
519 count_down
=$
((count_down
- 1))
520 (( count_down
> 0 )) ||
exit 1
528 # When we have 2 disks of at least 100g difference in size,
529 # make an extra partition on the end of the bigger one.
535 if (( $
(dev-mib
${devs[0]}) >= $
(dev-mib
${devs[1]}) )); then
539 disk_mib
=$
(dev-mib
${devs[smalli]})
540 even_big_dev
=${devs[bigi]}
541 even_big_mib
=$
(dev-mib
$even_big_dev)
542 if (( even_big_mib
- disk_mib
> even_diff_min
)); then
547 for dev
in ${devs[@]}; do
548 if [[ $SPECIAL_DISK ]]; then
549 dev
=$
(devbyid
$SPECIAL_DISK)
552 # parted will round up the disk size. Do -1 so we can have
553 # fully 1MiB unit partitions for easy resizing of the last partition.
554 # Otherwise we would pass in -0 for the end argument for the last partition.
556 # Note: parted print error output is expected. example:
557 # Error: /dev/vda: unrecognised disk label
558 if ! $even_raid; then
562 boot_part_mib
=$
(( boot_mib
/ ${#boot_devs[@]} ))
563 boot2_part_mib
=$
(( boot2_mib
/ ${#boot_devs[@]} ))
564 root2_part_mib
=$
(( root2_mib
/ ${#root_devs[@]} ))
565 root_end
=$
(( disk_mib
- root2_part_mib
- swap_mib
- boot_part_mib
- boot2_part_mib
))
566 root2_end
=$
(( root_end
+ root2_part_mib
))
567 swap_end
=$
(( root2_end
+ swap_mib
))
568 boot_end
=$
(( swap_end
+ boot_part_mib
))
570 parted
-s $dev mklabel gpt
571 # MiB because parted complains about alignment otherwise.
572 pcmd
="parted -a optimal -s -- $dev"
573 # root partition, the main big one
574 $pcmd mkpart primary ext3
524MiB
${root_end}MiB
575 # without naming, systemd gives us misc errors like:
576 # dev-disk-by\x2dpartlabel-primary.device: Dev dev-disk-by\x2dpartlabel-primary.device appeared twice
577 $pcmd name
$rootn root
579 $pcmd mkpart primary ext3
${root_end}MiB
${root2_end}MiB
580 $pcmd name
$root2n root2
581 # normally a swap is type "linux-swap", but this is encrypted swap. using that
582 # label will confuse systemd.
584 $pcmd mkpart primary
"" ${root2_end}MiB
${swap_end}MiB
585 $pcmd name
$swapn swap
587 $pcmd mkpart primary
"" ${swap_end}MiB
${boot_end}MiB
588 $pcmd name
$bootn boot
590 $pcmd mkpart primary
"" ${boot_end}MiB
${disk_mib}MiB
591 $pcmd name
$boot2n boot2
592 # uefi partition. efi sucks, half a gig, rediculous.
593 $pcmd mkpart primary
"fat32" 12MiB
524MiB
595 $pcmd set $efin esp on
596 # note, this is shown here: https://support.system76.com/articles/bootloader/
597 # but not mentioned https://wiki.archlinux.org/index.php/EFI_system_partition
598 # probably not needed
599 $pcmd set $bootn boot on
600 $pcmd set $boot2n boot on
601 # i only need a few k, but googling min size,
602 # I found someone saying that gparted required
603 # required at least 8 because of their hard drive cylinder size.
604 # And 8 is still very tiny.
606 $pcmd mkpart primary
"ext2" 4MiB
12MiB
607 $pcmd name
$grub_extn grubext
608 # gpt ubuntu cloud image uses ~4 mb for this partition. fai uses 1 MiB.
609 # so, I use 3, whatever.
610 # note: parted manual saying cheap flash media
611 # should to start at 4.
612 # biols grub partition
613 $pcmd mkpart primary
"" 1MiB
4MiB
614 $pcmd name
$bios_grubn biosgrub
615 $pcmd set $bios_grubn bios_grub on
616 if $even_big_part && [[ $dev == "$even_big_dev" ]]; then
617 $pcmd mkpart primary ext3
${disk_mib}MiB
${even_big_mib}MiB
618 $pcmd name
$even_bign even_big
621 # the mkfs failed before on a vm, which prompted me to add
623 # then it failed again on a physical machine
625 # Device /dev/disk/by-id/foo doesn't exist or access denied,
626 # so I added a wait until it existed.
627 # Then I added the mkfs.ext2, which claimed to succeed,
628 # but then couldn't be found upon reboot. In that case we didn't
629 # wait at all. So I've added a 3 second minimum wait.
631 while [[ ! -e $
(bios_grubdev
) ]] && (( secs
< 10 )); do
637 mkfs.fat
-F32 $
(efidev
)
639 if $even_big_part && [[ $dev == "$even_big_dev" ]]; then
640 luks-setup $
(even_bigdev
)
641 mkfs.btrfs
-f $
(crypt-dev $
(even_bigdev
))
644 # Holds just a single file, rarely written, so
645 # use ext2, like was often used for the /boot partition.
646 # This exists because grub can only persist data to a non-cow fs.
647 # And we use persisting a var in grub to do a one time boot.
648 # We could pass the data on the kernel command line and persist it
649 # to grubenv after booting, but that relies on the boot always succeeding.
650 # This is just a bit more robust, and it could work for booting
651 # into ipxe which can't persist data, if we ever got that working.
652 mkfs.ext2 $
(grub_extdev
)
653 luks-setup $
(rootdev
)
655 if [[ $SPECIAL_DISK ]]; then
659 ls -la /dev
/btrfs-control
# this was probably for debugging...
661 bpart $
(for dev
in ${devs[@]}; do root-cryptdev
; done)
662 bpart
${boot_devs[@]}
664 for dev
in ${devs[@]}; do
665 if [[ -e /dev
/mapper
/$
(root-cryptname
) ]]; then
668 cryptsetup luksOpen $
(rootdev
) $
(root-cryptname
) \
669 --key-file $luks_file
675 if $wipe && [[ $DISTRO != debianbuster_bootstrap
]]; then
676 # bootstrap distro doesn't use separate encrypted root.
677 mount
-o subvolid
=0 $first_root_crypt /mnt
678 # systemd creates subvolumes we want to delete.
679 s
=($
(btrfs subvolume list
--sort=-path /mnt |
680 sed -rn "s#^.*path\s*(root_$DISTRO/\S+)\s*\$#\1#p"))
681 for subvol
in ${s[@]}; do btrfs subvolume delete
/mnt
/$subvol; done
682 btrfs subvolume set-default
0 /mnt
683 [[ ! -e /mnt
/root_
$DISTRO ]] || btrfs subvolume delete
/mnt
/root_
$DISTRO
688 btrfs subvolume create root_
$DISTRO
690 # could set default subvol like this, but no reason to.
691 # btrfs subvolume set-default \
692 # $(btrfs subvolume list . | grep "root_$DISTRO$" | awk '{print $2}') .
694 # For raid systems, cow allows for error correction, for non-raid systems,
695 # protects root fs from having the plug pulled. Reprovisioning a root
696 # subvol is not my favorite thing to do.
697 # # no cow on the root filesystem. it's setup is fully scripted,
698 # # if it's messed up, we will just recreated it,
699 # # and we can get better perf with this.
700 # # I can't remember exactly why, but this is preferable to mounting with
701 # # -o nodatacow, I think because subvolumes inherit that.
702 # chattr -Rf +C root_$DISTRO
707 mount
-o subvolid
=0 $first_boot_dev /mnt
709 btrfs subvolume set-default
0 /mnt
# already default, just ensuring it.
711 # for libreboot systems. grub2 only reads from subvolid=0
713 cp $FAI/distro-install-common
/libreboot_grub.cfg
/mnt
/grub2
715 if [[ $DISTRO == debianbuster_bootstrap
]]; then
716 # this is just convenience for the libreboot_grub config
717 # so we can glob the other ones easier.
720 boot_vol
=boot_
$DISTRO
722 if $wipe && [[ -e /mnt
/$boot_vol ]]; then
723 btrfs subvolume delete
/mnt
/$boot_vol
725 if [[ ! -e /mnt
/$boot_vol ]]; then
726 btrfs subvolume create
$boot_vol
730 ## end create subvols ##
733 mount
$first_grub_extdev /mnt
734 grub-editenv
/mnt
/grubenv
set did_fai_check
=true
735 grub-editenv
/mnt
/grubenv
set last_boot
=/$boot_vol
738 fstabstd
=x-systemd.device-timeout
=30s
,x-systemd.mount-timeout
=30s
739 if [[ $DISTRO == debianbuster_bootstrap
]]; then
740 cat > /tmp
/fai
/fstab
<<EOF
741 $first_boot_dev / btrfs noatime,subvol=$boot_vol 0 0
742 $first_efi /boot/efi vfat nofail,$fstabstd 0 0
744 cat >/tmp
/fai
/disk_var.sh
<<EOF
745 BOOT_DEVICE="${short_devs[@]}"
746 ROOT_PARTITION=$first_boot_dev
749 # note, fai creates the mountpoints listed here
750 cat > /tmp
/fai
/fstab
<<EOF
751 $first_root_crypt / btrfs $fstabstdopts,noatime,subvol=root_$DISTRO$mopts 0 0
752 $first_root_crypt /mnt/root btrfs nofail,$fstabstd,noatime,subvolid=0$mopts 0 0
753 $first_boot_dev /boot btrfs nofail,$fstabstd,noatime,subvol=$boot_vol 0 0
754 $first_efi /boot/efi vfat nofail,$fstabstd 0 0
755 $first_boot_dev /mnt/boot btrfs nofail,$fstabstd,noatime,subvolid=0 0 0
758 rm -f /tmp
/fai
/crypttab
759 for dev
in ${devs[@]}; do
760 swaps
+=($
(swap-cryptname
))
761 cat >>/tmp
/fai
/crypttab
<<EOF
762 $(root-cryptname) $(rootdev) none keyscript=/root/keyscript,discard,luks,initramfs
763 $(swap-cryptname) $(swapdev) /dev/urandom swap,cipher=aes-xts-plain64,size=256,hash=ripemd160
765 cat >> /tmp
/fai
/fstab
<<EOF
766 $(swap-cryptdev) none swap nofail,$fstabstd,sw 0 0
771 #BOOT_DEVICE=\${BOOT_DEVICE:-"${devs[0]}"}
773 # note: swaplist seems to do nothing.
774 cat >/tmp
/fai
/disk_var.sh
<<EOF
775 BOOT_DEVICE="${short_devs[@]}"
776 BOOT_PARTITION=\${BOOT_PARTITION:-$first_boot_dev}
777 # ROOT_PARTITIONS is added by me, used in arch setup.
778 ROOT_PARTITIONS="${root_devs[@]}"
779 ROOT_PARTITION=\${ROOT_PARTITION:-$first_root_crypt}
780 SWAPLIST=\${SWAPLIST:-"${swaps[@]}"}
783 if [[ $HOSTNAME == kd
]]; then
784 # note, having these with keyscript and initramfs causes a luks error in fai.log,
785 # but it is safely ignorable and gets us the ability to just type our password
786 # in once at boot. A downside is that they are probably needed to be plugged in to boot.
787 cat >>/tmp
/fai
/crypttab
<<EOF
788 crypt_dev_ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V-part${even_bign} /dev/disk/by-id/ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V-part7 none keyscript=decrypt_keyctl,discard,luks,initramfs
789 crypt_dev_ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 /dev/disk/by-id/ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 none keyscript=decrypt_keyctl,discard,luks,initramfs
790 crypt_dev_ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 /dev/disk/by-id/ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 none keyscript=decrypt_keyctl,discard,luks,initramfs
792 cat >> /tmp
/fai
/fstab
<<EOF
793 # r7 = root partition7. it isnt actually #7 anymore, not a great name, but whatever
794 /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
795 /dev/mapper/crypt_dev_ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 /mnt/rust1 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
796 /dev/mapper/crypt_dev_ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 /mnt/rust2 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
802 # initial setup of extra data fs, mounted,
803 # btrfs subvol create nocow
805 # chown iank.iank nocow