[PATCH 2/2] Revert "expand-on-first-boot: Expand crypto_LUKS partition"

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Jan Kiszka

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Nov 8, 2024, 6:27:24 AM11/8/24
to isar-users, Quirin Gylstorff, Heinisch, Alexander (T CED SES-AT)
From: Jan Kiszka <jan.k...@siemens.com>

This reverts commit c44c088cd224e44a401410c860bd625f28950ac3.

Same argument as for reverting 8b30a4f86cb3: This does not work when the
initramfs properly hides the encryption secret after using it.

Signed-off-by: Jan Kiszka <jan.k...@siemens.com>
---
.../files/expand-last-partition.sh | 22 ++++---------------
1 file changed, 4 insertions(+), 18 deletions(-)

diff --git a/meta/recipes-support/expand-on-first-boot/files/expand-last-partition.sh b/meta/recipes-support/expand-on-first-boot/files/expand-last-partition.sh
index c66d7627..2c4326c1 100755
--- a/meta/recipes-support/expand-on-first-boot/files/expand-last-partition.sh
+++ b/meta/recipes-support/expand-on-first-boot/files/expand-last-partition.sh
@@ -78,28 +78,14 @@ fi
# some filesystems need to be mounted i.e. btrfs, but mounting also helps
# detect the filesystem type without having to wait for udev
# mount $LAST_PART out of tree, so we won't conflict with other mounts
-ret=0
-# Determine the filesystem type and perform the appropriate resize function
-FS_TYPE=$(blkid --output value --match-tag TYPE "${LAST_PART}" )
MOUNT_POINT=$(mktemp -d -p "" "$(basename "$0").XXXXXXXXXX")
-if [ "$FS_TYPE" = "crypto_LUKS" ]; then
- if [ ! -x /usr/sbin/cryptsetup ]; then
- echo "'cryptsetup' is missing cannot resize last partition as it is from type 'crypto_LUKS'"
- exit 1
- fi
- last_part_device_name=${LAST_PART#\/dev/}
+mount "${LAST_PART}" "${MOUNT_POINT}"

- mapping_name=$(cat /sys/class/block/"$last_part_device_name"/holders/*/dm/name)
- cryptsetup resize "$mapping_name"
- mount /dev/mapper/"$mapping_name" "${MOUNT_POINT}"
- FS_TYPE=$(findmnt -fno FSTYPE "${MOUNT_POINT}" )
- LAST_PART=/dev/mapper/"$mapping_name"
-else
- mount "${LAST_PART}" "${MOUNT_POINT}"
-fi
+ret=0
+# Determine the filesystem type and perform the appropriate resize function
+FS_TYPE=$(findmnt -fno FSTYPE "${MOUNT_POINT}" )
case ${FS_TYPE} in
ext*)
-
# Do not fail resize2fs if no mtab entry is found, e.g.,
# when using systemd mount units.
export EXT2FS_NO_MTAB_OK=1
--
2.43.0

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