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:
31 # source /b/fai/fai-wrapper
32 # - set any appropriate classes with: fai-setclass OPT1... which sets CLASS_OPT1=true...
33 # or run eval-fai-classfile FILE.
34 # - Set a VOL_DISTROVER (if not doing mkroot2) eg:
35 # fai-setclass VOL_NABIA
37 # ARGS (only 1 is valid):
39 # mkroot2: for running outside of fai and setting up the root2/boot2 luks and btrfs and tab files
41 # mkroot2tab: for running outside of fai and setting up the root2/boot2 tab files, in case luks and btrfs
42 # happen to already be setup.
44 # mktab: for running outside of fai and generating a crypttab for
45 # the main root fs in /tmp/fai. Must run with env var, eg export DISTRO=trisquelaramo.
47 # Example use in a bootstrap distro:
48 # scp /a/bin/fai/fai/config/{distro-install-common/devbyid,hooks/partition.DEFAULT} root@HOST:
50 # export DISTRO=trisquelnabia; ./partition.DEFAULT mktab
51 # ## cryptsetup wont take within a pipeline
52 # mapfile -t lines < <(awk '! /swap/ {print $2,$1}' /tmp/fai/crypttab )
53 # for l in "${lines[@]}"; do cryptsetup luksOpen $l; done
55 # # or alternatively, to avoid typing it many times:
56 # read -r lukspw; for l in "${lines[@]}"; do yes "$lukspw" | cryptsetup luksOpen $l; done
58 ## potentially useful later:
59 # sed 's#/root/keyscript,#decrypt_keyctl,#;s/$/,noauto/' /tmp/fai/crypttab >/etc/crypttab
61 # environment variables:
63 # HOSTNAME: if demohost, we set the luks password to just
64 # 'x'. Used in various other ways too.
66 # SPECIAL_DISK: For use outside of fai. A base disk name like
67 # /dev/sdk. If set, we just cryptsetup and partition this one disk then
68 # exit. This is useful for partitioning a disk in preparation to replace
69 # a failed or failing disk from a raid10 array.
73 # REPARTITION: forces repartitioning even if we detect the proper amount
74 # of partitions already exist.
76 # NOWIPE: use existing subvolumes if they exist
78 # REROOTFS: Don't reuse the root filesystem, even if we normally would
80 # ROTATIONAL: forces to install onto hdds instead of sdds. normally sdds
81 # are chosen if they exist.
83 # PARTITION_PROMPT: command line prompt before partitioning. This is good
84 # to set if we don't expect repartitioning to happen.
86 # ROTATIONAL: in a system with ssd and hdd, install to the hdd
87 # instead of the default ssd.
89 # RAID0: forces raid0 filesystem. Normally with 4+ devices, we use
91 # RAID1: forces raid1 filesystem.
92 # RAID1c3: forces raid1c3 filesystem (btrfs raid 1, 3 copies).
98 ## duplicates fai-wrapper, for convenience of not needing it
99 if ! type -t ifclass
&>/dev
/null
; then
101 local var
=${1/#/CLASS_}
102 [[ $HOSTNAME == "$1" ||
${!var} ]]
117 echo "$0: error: unsupported arg: $1" >&2
123 if [[ ! $SPECIAL_DISK ]] && ! $mkroot2 && ! $mkroot2tab && ! $mktab \
124 && ! ifclass IANK
&& ! ifclass FSF
; then
125 echo $0: error
: need class IANK or FSF or SPECIAL_DISK
for running
in fai
129 if [[ $SPECIAL_DISK ]]; then
130 export CLASS_REPARTITION
=true
133 # # fai's setup-storage won't do btrfs on luks,
134 # # so we do it ourself :)
135 # inspiration taken from files in fai-setup-storage package
137 # if we are not running in fai, skiptask won't be defined, so carry on.
138 skiptask partition ||
! type skiptask
140 if ! type -p devbyid
; then
141 for d
in $FAI/distro-install-common \
142 /a
/bin
/fai
/fai
/config
/distro-install-common
$FAI $PWD; do
143 [[ -d $d ]] ||
continue
144 if [[ -e $d/devbyid
]]; then
146 devbyid
() { $devbyid "$@"; }
150 if [[ ! $devbyid ]]; then
151 echo "$0: error: failed to find devbyid script" >&2
156 #### begin configuration
158 # this is the ordering of the /dev/sdaX, but
159 # the ordering of the partition layout goes like this:
169 ##### end configuration
171 ##### begin function defs
173 bpart
() { # btrfs a partition
175 0) mkfs.btrfs
-f $@
;;
176 *) mkfs.btrfs
-f -m raid
$raid_level -d raid
$raid_level $@
;;
191 if [[ ! $luks_dir ]]; then
192 # see README for docs about how to create these
193 luks_dir
=$FAI/distro-install-common
/luks
194 if [[ ! -d $luks_dir ]]; then
195 luks_dir
=/q
/root
/luks
197 if [[ ! -d $luks_dir ]]; then
198 echo "$0: error: no luks_dir found" >&2
203 luks_file
=$luks_dir/host-
$HOSTNAME
204 if [[ ! -e $luks_file ]]; then
205 # shellcheck disable=SC2206 # globbing is intended
206 hostkeys
=($luks_dir/host-
*)
207 # if there is only one key, we might be deploying somewhere
208 # where dhcp doesnt give us a proper hostname, so use that.
209 if [[ ${#hostkeys[@]} == 1 && -e ${hostkeys[0]} ]]; then
210 luks_file
=${hostkeys[0]}
212 echo "$0: error: no key for hostname at $luks_file" >&2
217 # # note, corresponding changes in /b/ds/keyscript-{on,off}
218 if ifclass demohost
; then
220 elif [[ -e $luks_dir/$HOSTNAME ]]; then
221 lukspw
=$
(cat $luks_dir/$HOSTNAME)
223 lukspw
=$
(cat $luks_dir/iank
)
227 luks_file
=$luks_dir/host-amy
228 lukspw
=$
(cat $luks_dir/amy
)
240 echo $
(( $
(parted
-m $d unit MiB print | \
241 sed -nr "s#^/dev/[^:]+:([0-9]+).*#\1#p") - 1))
247 # when we move to newer than trisquel 9, we can remove
248 # --type luks1. We can also check on cryptsetup --help | less /compil
249 # to see about the other settings. Default in debian 9 is luks2.
250 # You can convert from luks2 to luks 1 by adding a temporary key:
251 # cryptsetup luksAddKey --pbkdf pbkdf2
252 # then remove the new format keys with cryptsetup luksRemoveKey
253 # then cryptsetup convert DEV --type luks1, then readd old keys and remove temp.
254 yes YES | cryptsetup luksFormat
$luksdev $luks_file ||
[[ $?
== 141 ]]
256 cryptsetup luksAddKey
--key-file $luks_file \
257 $luksdev ||
[[ $?
== 141 ]]
258 # background: Keyfile and password are treated just
259 # like 2 ways to input a passphrase, so we don't actually need to have
260 # different contents of keyfile and passphrase, but it makes some
261 # security sense to a really big randomly generated passphrase
262 # as much as possible, so we have both.
264 # This would remove the keyfile.
265 # yes 'test' | cryptsetup luksRemoveKey /dev/... \
266 # /key/file || [[ $? == 141 ]]
267 cryptsetup luksOpen
$luksdev $cryptname --key-file $luks_file
273 fstabstd
="x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s"
275 if [[ $DISTRO == *_bootstrap
]]; then
276 cat > /tmp
/fai
/fstab
<<EOF
277 $first_boot_dev / btrfs noatime,subvol=$boot_vol 0 0
278 $first_efi /boot/efi vfat nofail,$fstabstd 0 0
280 cat >/tmp
/fai
/disk_var.sh
<<EOF
281 BOOT_DEVICE="${short_devs[@]}"
282 ROOT_PARTITION=$first_boot_dev
285 # note, fai creates the mountpoints listed here
286 cat > /tmp
/fai
/fstab
<<EOF
287 $first_root_dev / btrfs $fstabstd,noatime,subvol=root_$DISTRO$mopts 0 0
288 $first_root_dev /mnt/root btrfs nofail,$fstabstd,noatime,subvolid=0$mopts 0 0
289 $first_boot_dev /boot btrfs nofail,$fstabstd,noatime,subvol=$boot_vol 0 0
290 $first_efi /boot/efi vfat nofail,$fstabstd 0 0
291 $first_boot_dev /mnt/boot btrfs nofail,$fstabstd,noatime,subvolid=0 0 0
294 cat >> /tmp
/fai
/fstab
<<EOF
295 /dev/mapper/crypt-${vgs[0]}-o /mnt/o btrfs nofail,$fstabstd,noatime,subvolid=0$mopts 0 0
298 rm -f /tmp
/fai
/crypttab
299 for vg
in ${vgs[@]}; do
301 cat >>/tmp
/fai
/crypttab
<<EOF
302 crypt-$vg-root /dev/$vg/root none keyscript=/root/keyscript,discard,luks,initramfs
303 crypt-$vg-o /dev/$vg/o none keyscript=/root/keyscript,discard,luks,initramfs
304 crypt-$vg-swap /dev/$vg/swap /dev/urandom swap,cipher=aes-xts-plain64,size=256,hash=ripemd160
308 cat >> /tmp
/fai
/fstab
<<EOF
309 /dev/$vg/swap none swap nofail,$fstabstd,sw 0 0
312 cat >> /tmp
/fai
/fstab
<<EOF
313 /dev/mapper/crypt-$vg-swap none swap nofail,$fstabstd,sw 0 0
319 #BOOT_DEVICE=\${BOOT_DEVICE:-"${devs[0]}"}
321 # note: swaplist seems to do nothing.
322 cat >/tmp
/fai
/disk_var.sh
<<EOF
323 BOOT_DEVICE="${short_devs[@]}"
324 BOOT_PARTITION=\${BOOT_PARTITION:-$first_boot_dev}
325 # ROOT_PARTITIONS is added by me, used in arch setup.
326 ROOT_PARTITIONS="${root_devs[@]}"
327 ROOT_PARTITION=\${ROOT_PARTITION:-$first_root_dev}
328 SWAPLIST=\${SWAPLIST:-"${swap_devs[@]}"}
331 if [[ $HOSTNAME == frodo
]]; then
333 ata-Hitachi_HDS722020ALA330_JK1121YAG7SXWS-part1
334 ata-Hitachi_HDS722020ALA330_JK1121YAG7SY4S-part1
335 ata-Hitachi_HDS723030ALA640_MK0311YHG2WUSA-part1
336 ata-ST4000DM000-1F2168_Z300AZ6K-part1
337 ata-ST6000DM001-1XY17Z_Z4D2WMZK-part1
338 ata-TOSHIBA_MD04ACA500_8539K4TQFS9A-part1
339 ata-TOSHIBA_MD04ACA500_85NAK4T2FS9A-part1
340 ata-TOSHIBA_MD04ACA500_9551K615FS9A-part1
341 ata-TOSHIBA_MD04ACA500_Y5IFK6IJFS9A-part1
343 for d
in ${big_disks[@]}; do
344 cat >>/tmp
/fai
/crypttab
<<EOF
345 crypt_dev_$d /dev/disk/by-id/$d /mnt/root/q/root/luks/iank discard,luks
348 cat >> /tmp
/fai
/fstab
<<EOF
349 /dev/mapper/crypt_dev_${big_disks[0]} /mnt/i btrfs nofail,$fstabstd,noatime,subvolid=0 0 0
352 if [[ $HOSTNAME == kd
]]; then
353 # note, having these with keyscript and initramfs causes a luks error in fai.log,
354 # but it is safely ignorable and gets us the ability to just type our password
355 # in once at boot. A downside is that they are probably needed to be plugged in to boot.
356 cat >>/tmp
/fai
/crypttab
<<EOF
357 crypt_dev_ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V${even_bigsuf} /dev/disk/by-id/ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V${even_bigsuf} /mnt/root/q/root/luks/iank discard,luks
358 crypt_dev_ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 /dev/disk/by-id/ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 /mnt/root/q/root/luks/iank discard,luks
359 crypt_dev_ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 /dev/disk/by-id/ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 /mnt/root/q/root/luks/iank discard,luks
361 cat >> /tmp
/fai
/fstab
<<EOF
362 # r7 = root partition7. it isnt actually #7 anymore, not a great name, but whatever
363 /dev/mapper/crypt_dev_ata-Samsung_SSD_870_QVO_8TB_S5VUNG0N900656V${even_bigsuf} /mnt/r7 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
364 /dev/mapper/crypt_dev_ata-TOSHIBA_MD04ACA500_84R2K773FS9A-part1 /mnt/rust1 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
365 /dev/mapper/crypt_dev_ata-ST6000DM001-1XY17Z_Z4D29EBL-part1 /mnt/rust2 btrfs nofail,$fstabstd,noatime,compress=zstd,subvolid=0 0 0
373 #### root2 non-fai run
375 # todo: update for lvm
379 # We write to these files instead of just /etc/fstab, /etc/crypttab,
380 # because these are filesystems created after our current root, and so
381 # this allows us to update other root filesystems too.
382 rm -f /mnt
/root
/root2-
{fs
,crypt}tab
384 echo $0: error
: found partition
=true but have mkroot2 arg
390 for vg
in ${vgs[@]}; do
393 root2_devs
+=(/dev
/mapper
/crypt-
$vg-root2)
395 lvcreate
-y -L $root2_part_mib $vg -n root2
396 lvcreate
-y -L $boot2_part_mib $vg -n boot2
397 luks-setup
/dev
/$vg/root2 crypt-
$vg-root2
399 cat >>/mnt
/root
/root2-crypttab
<<EOF
400 crypt-$vg-root2 /dev/$vg/root2 $luks_file discard,luks,initramfs
404 bpart
${root2_devs[@]}
405 bpart
${boot2_devs[@]}
407 mkdir
-p /mnt
/root2
/mnt
/boot2
408 cat >>/mnt
/root
/root2-fstab
<<EOF
409 ${root2_devs[0]} /mnt/root2 btrfs nofail,x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s,noatime,subvolid=0$mopts 0 0
410 ${boot2_devs[0]} /mnt/boot2 btrfs nofail,x-systemd.device-timeout=30s,x-systemd.mount-timeout=30s,noatime,subvolid=0 0 0
416 ##### end function defs
419 ##### begin variable setup
423 if ifclass REPARTITION
; then
424 partition
=true
# force a full wipe
427 if ifclass NOWIPE
; then
432 if ifclass REROOTFS
; then
436 if (($
(nproc
) > 2)); then
440 declare -A disk_excludes
441 if ! $mkroot2 && ! $mkroot2tab && ! $mktab ! ifclass USE_MOUNTED
; then
442 ## ignore disks that are mounted, eg when running from fai-cd
445 if [[ ! $PKNAME ]]; then
446 # shellcheck disable=SC2153 # not a misspelling
449 if [[ $MOUNTPOINT ]]; then
450 disk_excludes
[$PKNAME]=true
452 done < <(lsblk
-nP -o KNAME
,MOUNTPOINT
,PKNAME
)
457 # this excludes "usb". vda disk has empty tran (transport). This may need adjustment
458 # for some new type we come across. cdrom has type "rom"
459 for disk
in $
(lsblk
-ndo name
,type,tran |
awk '$3 ~ "^(sata|nvme|)$" && $2 == "disk" { print $1 }'); do
460 if [[ ${disk_excludes[$disk]} ]]; then
467 case $
(cat /sys
/block
/$disk/queue
/rotational
) in
470 echo $0: found ssd
/dev
/$disk
474 echo $0: found hdd
/dev
/$disk
476 *) echo "$0: error: unknown /sys/block/$disk/queue/rotational: \
477 $(cat $disk/queue/rotational)"; exit 1 ;;
481 # install all ssds, or if there are none, all hdds.
482 # Note, usb flash disks are seen as rotational, which is
483 # very odd, but convenient for ignoring them here.
484 if ! ifclass ROTATIONAL
&& (( ${#ssds[@]} > 0 )); then
485 read -ra short_devs
<<<"${ssds[@]}"
487 read -ra short_devs
<<<"${hdds[@]}"
501 # ext partition so grub can write persistent variables,
502 # so it can do a one time boot. grub can't write to
503 # btrfs or any cow fs because it's more
504 # more complicated to do and they don't want to.
506 # bios boot partition,
507 # https://wiki.archlinux.org/index.php/GRUB
509 # for an even raid (raid 1), when one disk is bigger, this partition goes on the big disk
511 # even_bign only exists in some cases
513 # check if the partitions exist have the right filesystems
514 #blkid="$(blkid -s TYPE)"
515 for dev
in ${short_devs[@]}; do
516 if $partition; then break; fi
517 y
=$
(readlink
-f $dev)
518 # shellcheck disable=SC2206 # globbing is intended
520 if (( ${#arr[@]} < lastn
)); then
523 # On one system, blkid is missing some partitions.
524 # maybe we need a flag, like FUZZY_BLKID or something, so we
525 # can check that at least some exist.
526 # for x in "`rootdev`: TYPE=\"crypto_LUKS\"" "`bootdev`: TYPE=\"btrfs\""; do
527 # echo "$blkid" | grep -Fx "$x" &>/dev/null || partition=true
531 if $partition && ifclass PARTITION_PROMPT
; then
532 echo "Press any key except ctrl-c to continue and partition these drives:"
533 if [[ $SPECIAL_DISK ]]; then
536 echo " ${short_devs[*]}"
548 for short_dev
in ${short_devs[@]}; do
549 dev
="$(devbyid $short_dev)"
550 if [[ $dev != */by-id
/* ]]; then
551 # no by-id link, assume we are in a vm and this is true for all devs.
554 # for vms, cant name a vg the same as the short device name, they
555 # conflict: /dev/$vg is already taken
563 root_devs
+=(/dev
/$vg/root
)
564 swap_devs
+=(/dev
/$vg/swap
)
566 o_devs
+=(/dev
/mapper
/crypt-
$vg-o)
567 root_devs
+=(/dev
/mapper
/crypt-
$vg-root)
568 swap_devs
+=(/dev
/mapper
/crypt-
$vg-swap)
571 first_root_dev
=${root_devs[0]}
572 if [[ ! $SPECIAL_DISK && ! ${devs[0]} ]]; then
573 echo "$0: error: failed to detect devs" >&2
578 pvsuf
=$partsuffix$pvn
579 bootsuf
=$partsuffix$bootn
580 efisuf
=$partsuffix$efin
581 grub_extsuf
=$partsuffix$grub_extn
582 # We dont do anything with this partition here, so this
583 # is be unused, but left as a comment for completing the pattern
584 # of all the suffixes.
585 #bios_grubsuf=$partsuffix$bios_grubn
586 even_bigsuf
=$partsuffix$even_bign
593 for dev
in ${devs[@]}; do
596 # I ran into a machine (frodo) where the bios doesn't know about some disks,
597 # so 1st stage of grub also doesn't know about them.
598 # Also, grub does not support mounting degraded btrfs as far as
599 # I can tell with some googling.
600 # From within an arch install env, I could detect them by noting
601 # their partitions were mixed with the next disk in /dev/disk/by-path,
602 # and I have mixed model disks, and I could see the 8 models which showed
603 # up in the bios, and thus see which 2 models were missing.
604 # hdparm -I /dev/sdh will give model info in linux.
605 # However, in fai on jessie, /dev/disk/by-path dir doesn't exist,
606 # and I don't see another way, so I'm hardcoding them.
607 # We still put grub on them and partition them the same, for uniformity
608 # and in case they get moved to a system that can recognize them,
609 # we just exclude them from the boot filesystem.
612 for id
in ata-TOSHIBA_MD04ACA500_8539K4TQFS9A \
613 ata-TOSHIBA_MD04ACA500_Y5IFK6IJFS9A
; do
614 if [[ $
(readlink
-f $id) == "$(readlink -f $dev)" ]]; then
622 boot_devs
+=($dev$bootsuf)
623 boot2_devs
+=(/dev
/$vg/boot2
)
624 boot_space
=$
(( boot_space
+ $
(parted
-m $dev unit MiB print | \
625 sed -nr "s#^/dev/[^:]+:([0-9]+).*#\1#p") - 1))
627 first_efi
=$dev$efisuf
628 first_grub_extdev
=$dev$grub_extsuf
632 first_boot_dev
=${boot_devs[0]}
635 if ifclass RAID0 ||
(( ${#boot_devs[@]} == 1 )); then
638 elif ifclass RAID1 ||
(( ${#boot_devs[@]} == 2 )); then
639 if (( ${#boot_devs[@]} == 2 )); then
644 elif ifclass RAID1c3 ||
(( ${#boot_devs[@]} == 3 )); then
654 ### Begin calculate boot partition space
655 # due to raid duplication
657 1|
10) boot_space
=$
(( boot_space
/ 2 )) ;;
658 1c3
) boot_space
=$
(( boot_space
/ 3 )) ;;
662 elif (( boot_space
> 900000 )); then
663 # this is larger than needed for several /boot subvols,
664 # becuase I keep a minimal debian install on it for
665 # recovery needs and for doing pxe-kexec.
669 elif (( boot_space
> 30000 )); then
670 boot_mib
=$
(( 5000 + (boot_space
- 30000) / 2 ))
674 # Small vms don't have room for /boot recovery. With 3 kernels
675 # installed, i'm using 132M on t8, so this seems like plenty of
676 # room. note: rhel 8 recomments 1g for /boot. u20.04 with 3 kernels =
677 # 308 mb, so things have grown significantly
682 boot_part_mib
=$
(( boot_mib
* raid_duplication
/ ${#boot_devs[@]} ))
685 boot2_part_mib
=$
(( boot2_mib
* raid_duplication
/ ${#boot_devs[@]} ))
686 root2_part_mib
=$
(( root2_mib
* raid_duplication
/ ${#root_devs[@]} ))
691 ### end calculate boot partition space
694 if [[ ! $DISTRO ]]; then
695 if ifclass VOL_BOOKWORM_BOOTSTRAP
; then
696 DISTRO
=debianbookworm_bootstrap
697 elif ifclass VOL_BULLSEYE_BOOTSTRAP
; then
698 DISTRO
=debianbullseye_bootstrap
699 elif ifclass VOL_STRETCH
; then
701 elif ifclass VOL_BUSTER
; then
703 elif ifclass VOL_BULLSEYE
; then
704 DISTRO
=debianbullseye
705 elif ifclass VOL_BOOKWORM
; then
706 DISTRO
=debianbookworm
707 elif ifclass VOL_TESTING
; then
709 elif ifclass VOL_XENIAL
; then
711 elif ifclass VOL_BIONIC
; then
713 elif ifclass VOL_FOCAL
; then
715 elif ifclass VOL_JAMMY
; then
717 elif ifclass VOL_FLIDAS
; then
718 DISTRO
=trisquelflidas
719 elif ifclass VOL_ETIONA
; then
720 DISTRO
=trisqueletiona
721 elif ifclass VOL_NABIA
; then
723 elif ifclass VOL_ARAMO
; then
725 elif $mkroot2 ||
$mkroot2tab; then
728 echo "PARTITIONER ERROR: no distro class/var set" >&2
733 if [[ $DISTRO == *_bootstrap
]]; then
734 # this is just convenience for the libreboot_grub config
735 # so we can glob the other ones easier.
738 boot_vol
=boot_
$DISTRO
742 # 1.5 x based on https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Installation_Guide/sect-disk-partitioning-setup-x86.html#sect-custom-partitioning-x86
743 swap_mib
=$
(( $
(grep ^MemTotal
: /proc
/meminfo | \
744 awk '{print $2}') * 3/(${#devs[@]} * 2 ) / 1024 ))
747 ##### end variable setup
752 if $mkroot2 ||
$mkroot2tab; then
768 if [[ ! $SPECIAL_DISK ]]; then
770 # we do lvm removals just for the disks we are using
774 pv_devs
=$
(pvs
--noheadings -o pvname
)
775 for pv_dev
in $pv_devs; do
776 for short_dev
in ${short_devs[@]}; do
777 if [[ $pv_dev == $short_dev* ]]; then
779 vgs_of_pv
=$
(pvs
--noheadings -o vgname
$pv_dev)
780 for vg
in $vgs_of_pv; do
781 if [[ ${vg_map[$vg]} ]]; then
786 lvs
=$
(vgs
--noheadings -o lv_path
$vg)
795 for vg
in ${vg_wipes[@]}; do
800 for pv
in ${pv_wipes[@]}; do
804 for dev
in ${devs[@]}; do
805 # if we repartition to the same as an old partition,
806 # we don't want any old fses hanging around.
808 # wipefs has failed, manual run works, google suggests timing issue
809 while ! wipefs
-a $dev; do
811 count_down
=$
((count_down
- 1))
812 if (( count_down
<= 0 )); then
813 echo "$0: wipefs failed 10 times. exiting" >&2
822 # When we have 2 disks of at least 100g difference in size,
823 # make an extra partition on the end of the bigger one.
829 if (( $
(dev-mib
${devs[0]}) >= $
(dev-mib
${devs[1]}) )); then
833 disk_mib
=$
(dev-mib
${devs[smalli]})
834 even_big_dev
=${devs[bigi]}
835 even_big_mib
=$
(dev-mib
$even_big_dev)
836 if (( even_big_mib
- disk_mib
> even_diff_min
)); then
841 if [[ $SPECIAL_DISK ]]; then
842 devs
=($
(devbyid
$SPECIAL_DISK))
844 for dev
in ${devs[@]}; do
848 # parted will round up the disk size. Do -1 so we can have
849 # fully 1MiB unit partitions for easy resizing of the last partition.
850 # Otherwise we would pass in -0 for the end argument for the last partition.
852 # Note: parted print error output is expected. example:
853 # Error: /dev/vda: unrecognised disk label
854 if ! $even_raid; then
859 parted
-s $dev mklabel gpt
860 # MiB because parted complains about alignment otherwise.
861 pcmd
="parted -a optimal -s -- $dev"
864 pv_end
=$
(( disk_mib
- boot_part_mib
))
865 $pcmd mkpart primary ext3
524MiB
${pv_end}MiB
868 # + 794 pvcreate -y /dev/disk/by-id/ata-ST4000DM000-1F2168_Z3028BKA-part1
869 # WARNING: Device /dev/sde1 not initialized in udev database even after waiting 10000000 microseconds.
870 # No device found for /dev/disk/by-id/ata-ST4000DM000-1F2168_Z3028BKA-part1.
871 # sleep 10 was not enough.
873 while [[ ! -e $dev$pvsuf ]] && (( secs
< 40 )); do
878 pvcreate
-y -ff $dev$pvsuf
879 vgcreate
-y -ff $vg $dev$pvsuf
884 # This would maximize it, but we are going for a separate filesystem in /o,
885 # so use fixed sizes to allow both to grow
886 # 600 = uefi 512 + grubext 8 + bios grub 3 + some extra cuz this is lvm
887 #root_mib=$(( disk_mib - root2_part_mib - swap_mib - boot_part_mib - boot2_part_mib - 600 ))
888 o_mib
=$
(( 180 * 1000 ))
889 # max minus o, minus a gig just for some extra space
890 max_root_mib
=$
(( disk_mib
- root2_part_mib
- swap_mib
- boot_part_mib
- boot2_part_mib
- 600 - o_mib
- 1000 ))
891 root_mib
=$
(( 1700 * 1000 )) # * 1000 to make it in gb.
892 if (( max_root_mib
< root_mib
)); then
893 root_mib
=$max_root_mib
897 if [[ $SPECIAL_DISK ]]; then
898 lvcreate
-y -L $max_root_mib $vg -n data
900 # -L unit default mebibyte
901 lvcreate
-y -L $root_mib $vg -n root
903 lvcreate
-y -L $o_mib $vg -n o
905 lvcreate
-y -L $swap_mib $vg -n swap
906 # unencrypted swap needs mkswap
912 $pcmd mkpart primary
"" ${pv_end}MiB
${disk_mib}MiB
913 $pcmd name
$bootn boot
914 $pcmd set $bootn boot on
916 # uefi partition, for normal bios systems, its just in case.
917 $pcmd mkpart primary
"fat32" 12MiB
524MiB
919 # note, this is shown here: https://support.system76.com/articles/bootloader/
920 # but not mentioned https://wiki.archlinux.org/index.php/EFI_system_partition
921 # might not be needed
922 $pcmd set $efin esp on
924 # i only need a few k, but googling min size,
925 # I found someone saying that gparted required
926 # required at least 8 because of their hard drive cylinder size.
927 # And 8 is still very tiny.
929 $pcmd mkpart primary
"ext2" 4MiB
12MiB
930 $pcmd name
$grub_extn grubext
931 # gpt ubuntu cloud image uses ~4 mb for this partition. fai uses 1 MiB.
932 # so, I use 3, whatever.
933 # note: parted manual saying cheap flash media
934 # should to start at 4.
935 # biols grub partition
936 $pcmd mkpart primary
"" 1MiB
4MiB
937 $pcmd name
$bios_grubn biosgrub
938 $pcmd set $bios_grubn bios_grub on
939 if $even_big_part && [[ $dev == "$even_big_dev" ]]; then
940 $pcmd mkpart primary ext3
${disk_mib}MiB
${even_big_mib}MiB
941 $pcmd name
$even_bign even_big
944 # the mkfs failed before on a vm, which prompted me to add
946 # then it failed again on a physical machine
948 # Device /dev/disk/by-id/foo doesn't exist or access denied,
949 # so I added a wait until it existed.
950 # Then I added the mkfs.ext2, which claimed to succeed,
951 # but then couldn't be found upon reboot. In that case we didn't
952 # wait at all. So I've added a 3 second minimum wait.
954 while [[ ! -e $dev$efisuf ]] && (( secs
< 40 )); do
960 mkfs.fat
-F32 $dev$efisuf
962 if ! fsf
&& $even_big_part && [[ $dev == "$even_big_dev" ]]; then
963 luks-setup
$even_big_dev$even_bigsuf ${even_big_dev##*/}$even_bigsuf
964 mkfs.btrfs
-f /dev
/mapper
/${even_big_dev##*/}$even_bigsuf
967 # Holds just a single file, rarely written, so
968 # use ext2, like was often used for the /boot partition.
969 # This exists because grub can only persist data to a non-cow fs.
970 # And we use persisting a var in grub to do a one time boot.
971 # We could pass the data on the kernel command line and persist it
972 # to grubenv after booting, but that relies on the boot always succeeding.
973 # This is just a bit more robust, and it could work for booting
974 # into ipxe which can't persist data, if we ever got that working.
975 mkfs.ext2
$dev$grub_extsuf
977 if [[ $SPECIAL_DISK ]]; then
978 luks-setup
/dev
/$vg/data crypt-
$vg-data
982 # for fsf, no encryption of root because root will not contain any
985 luks-setup
/dev
/$vg/root crypt-
$vg-root
986 luks-setup
/dev
/$vg/o crypt-
$vg-o
990 ls -la /dev
/btrfs-control
# this was probably for debugging...
993 bpart
${root_devs[@]}
997 bpart
${boot_devs[@]}
999 else ## end if $partition ##
1002 for vg
in ${vgs[@]}; do
1003 if [[ -e /dev
/mapper
/crypt-
$vg-root ]]; then
1007 luks-setup
/dev
/$vg/root crypt-
$vg-root
1009 cryptsetup luksOpen
/dev
/$vg/root crypt-
$vg-root \
1010 --key-file $luks_file
1011 cryptsetup luksOpen
/dev
/$vg/o crypt-
$vg-o \
1012 --key-file $luks_file
1019 bpart
${root_devs[@]}
1025 if $wipe && [[ $DISTRO != *_bootstrap
]]; then
1026 # bootstrap distro doesn't use separate encrypted root.
1027 mount
-o subvolid
=0 ${root_devs[0]} /mnt
1028 # systemd creates subvolumes we want to delete.
1029 mapfile
-t s
< <(btrfs subvolume list
--sort=-path /mnt |
1030 sed -rn "s#^.*path\s*(root_$DISTRO/\S+)\s*\$#\1#p")
1031 for subvol
in ${s[@]}; do btrfs subvolume delete
/mnt
/$subvol; done
1032 btrfs subvolume set-default
0 /mnt
1033 [[ ! -e /mnt
/root_
$DISTRO ]] || btrfs subvolume delete
/mnt
/root_
$DISTRO
1035 ## create subvols ##
1038 btrfs subvolume create root_
$DISTRO
1040 # could set default subvol like this, but no reason to.
1041 # btrfs subvolume set-default \
1042 # $(btrfs subvolume list . | grep "root_$DISTRO$" | awk '{print $2}') .
1044 # For raid systems, cow allows for error correction, for non-raid systems,
1045 # protects root fs from having the plug pulled. Reprovisioning a root
1046 # subvol is not my favorite thing to do.
1047 # # no cow on the root filesystem. it's setup is fully scripted,
1048 # # if it's messed up, we will just recreated it,
1049 # # and we can get better perf with this.
1050 # # I can't remember exactly why, but this is preferable to mounting with
1051 # # -o nodatacow, I think because subvolumes inherit that.
1052 # chattr -Rf +C root_$DISTRO
1057 mount
-o subvolid
=0 $first_boot_dev /mnt
1059 btrfs subvolume set-default
0 /mnt
# already default, just ensuring it.
1061 # for libreboot systems. grub2 only reads from subvolid=0
1063 # todo: this would need some rework if we moved boot into
1065 cp $FAI/distro-install-common
/libreboot_grub.cfg
/mnt
/grub2
1067 if $wipe && [[ -e /mnt
/$boot_vol ]]; then
1068 btrfs subvolume delete
/mnt
/$boot_vol
1070 if [[ ! -e /mnt
/$boot_vol ]]; then
1071 btrfs subvolume create
$boot_vol
1075 ## end create subvols ##
1077 mount
$first_grub_extdev /mnt
1078 grub-editenv
/mnt
/grubenv
set did_fai_check
=true
1079 grub-editenv
/mnt
/grubenv
set last_boot
=/$boot_vol
1083 # initial setup of extra data fs, mounted,
1084 # btrfs subvol create nocow
1086 # chown iank.iank nocow