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Merge pull request #23517 from mrc0mmand/cryptsetup-switchroot-transition

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test: cover initrd->sysroot transition in TEST-24
This commit is contained in:
Yu Watanabe 2022-05-27 07:36:17 +09:00 committed by GitHub
commit 6d3bb9e7d1
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3 changed files with 62 additions and 33 deletions
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5
src/core/device.c
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@ -201,12 +201,11 @@ static int device_coldplug(Unit *u) {
* Of course, deserialized parameters may be outdated, but the unit state can be adjusted later by
* device_catchup() or uevents. */
if (!m->honor_device_enumeration && !MANAGER_IS_USER(m)) {
if (!m->honor_device_enumeration && !MANAGER_IS_USER(m) &&
!FLAGS_SET(d->enumerated_found, DEVICE_FOUND_UDEV)) {
found &= ~DEVICE_FOUND_UDEV; /* ignore DEVICE_FOUND_UDEV bit */
if (state == DEVICE_PLUGGED)
state = DEVICE_TENTATIVE; /* downgrade state */
if (found == DEVICE_NOT_FOUND)
state = DEVICE_DEAD; /* If nobody sees the device, downgrade more */
}
if (d->found == found && d->state == state)

85
test/TEST-24-CRYPTSETUP/test.sh
View File

@ -10,6 +10,11 @@ TEST_FORCE_NEWIMAGE=1
# shellcheck source=test/test-functions
. "${TEST_BASE_DIR:?}/test-functions"
PART_UUID="deadbeef-dead-dead-beef-000000000000"
DM_NAME="test24_varcrypt"
KERNEL_APPEND+=" rd.luks=1 luks.name=$PART_UUID=$DM_NAME luks.key=$PART_UUID=/keyfile:LABEL=varcrypt_keydev"
QEMU_OPTIONS+=" -drive format=raw,cache=unsafe,file=${STATEDIR:?}/keydev.img"
check_result_qemu() {
local ret=1
@ -17,13 +22,13 @@ check_result_qemu() {
[[ -e "${initdir:?}/testok" ]] && ret=0
[[ -f "$initdir/failed" ]] && cp -a "$initdir/failed" "${TESTDIR:?}"
cryptsetup luksOpen "${LOOPDEV:?}p2" varcrypt <"$TESTDIR/keyfile"
mount /dev/mapper/varcrypt "$initdir/var"
cryptsetup luksOpen "${LOOPDEV:?}p2" "${DM_NAME:?}" <"$TESTDIR/keyfile"
mount "/dev/mapper/$DM_NAME" "$initdir/var"
save_journal "$initdir/var/log/journal"
check_coverage_reports "${initdir:?}" || ret=5
_umount_dir "$initdir/var"
_umount_dir "$initdir"
cryptsetup luksClose /dev/mapper/varcrypt
cryptsetup luksClose "/dev/mapper/$DM_NAME"
[[ -f "$TESTDIR/failed" ]] && cat "$TESTDIR/failed"
echo "${JOURNAL_LIST:-No journals were saved}"
@ -36,45 +41,65 @@ test_create_image() {
create_empty_image_rootdir
echo -n test >"${TESTDIR:?}/keyfile"
cryptsetup -q luksFormat --pbkdf pbkdf2 --pbkdf-force-iterations 1000 "${LOOPDEV:?}p2" "$TESTDIR/keyfile"
cryptsetup luksOpen "${LOOPDEV}p2" varcrypt <"$TESTDIR/keyfile"
mkfs.ext4 -L var /dev/mapper/varcrypt
cryptsetup -q luksFormat --uuid="$PART_UUID" --pbkdf pbkdf2 --pbkdf-force-iterations 1000 "${LOOPDEV:?}p2" "$TESTDIR/keyfile"
cryptsetup luksOpen "${LOOPDEV}p2" "${DM_NAME:?}" <"$TESTDIR/keyfile"
mkfs.ext4 -L var "/dev/mapper/$DM_NAME"
mkdir -p "${initdir:?}/var"
mount /dev/mapper/varcrypt "$initdir/var"
mount "/dev/mapper/$DM_NAME" "$initdir/var"
# Create what will eventually be our root filesystem onto an overlay
(
LOG_LEVEL=5
# shellcheck source=/dev/null
source <(udevadm info --export --query=env --name=/dev/mapper/varcrypt)
# shellcheck source=/dev/null
source <(udevadm info --export --query=env --name="${LOOPDEV}p2")
LOG_LEVEL=5
setup_basic_environment
mask_supporting_services
setup_basic_environment
mask_supporting_services
install_dmevent
generate_module_dependencies
cat >"$initdir/etc/crypttab" <<EOF
$DM_NAME UUID=$ID_FS_UUID /etc/varkey
EOF
echo -n test >"$initdir/etc/varkey"
ddebug <"$initdir/etc/crypttab"
install_dmevent
generate_module_dependencies
cat >>"$initdir/etc/fstab" <<EOF
/dev/mapper/varcrypt /var ext4 defaults 0 1
# Create a keydev
dd if=/dev/zero of="${STATEDIR:?}/keydev.img" bs=1M count=16
mkfs.ext4 -L varcrypt_keydev "$STATEDIR/keydev.img"
mkdir -p "$STATEDIR/keydev"
mount "$STATEDIR/keydev.img" "$STATEDIR/keydev"
echo -n test >"$STATEDIR/keydev/keyfile"
umount "$STATEDIR/keydev"
cat >>"$initdir/etc/fstab" <<EOF
/dev/mapper/$DM_NAME /var ext4 defaults 0 1
EOF
# Forward journal messages to the console, so we have something
# to investigate even if we fail to mount the encrypted /var
echo ForwardToConsole=yes >> "$initdir/etc/systemd/journald.conf"
)
# Forward journal messages to the console, so we have something
# to investigate even if we fail to mount the encrypted /var
echo ForwardToConsole=yes >> "$initdir/etc/systemd/journald.conf"
# If $INITRD wasn't provided explicitly, generate a custom one with dm-crypt
# support
if [[ -z "$INITRD" ]]; then
INITRD="${TESTDIR:?}/initrd.img"
dinfo "Generating a custom initrd with dm-crypt support in '${INITRD:?}'"
if command -v dracut >/dev/null; then
dracut --force --verbose --add crypt "$INITRD"
elif command -v mkinitcpio >/dev/null; then
mkinitcpio --addhooks sd-encrypt --generate "$INITRD"
elif command -v mkinitramfs >/dev/null; then
# The cryptroot hook is provided by the cryptsetup-initramfs package
if ! dpkg-query -s cryptsetup-initramfs; then
derror "Missing 'cryptsetup-initramfs' package for dm-crypt support in initrd"
return 1
fi
mkinitramfs -o "$INITRD"
else
dfatal "Unrecognized initrd generator, can't continue"
return 1
fi
fi
}
cleanup_root_var() {
ddebug "umount ${initdir:?}/var"
mountpoint "$initdir/var" && umount "$initdir/var"
[[ -b /dev/mapper/varcrypt ]] && cryptsetup luksClose /dev/mapper/varcrypt
[[ -b "/dev/mapper/${DM_NAME:?}" ]] && cryptsetup luksClose "/dev/mapper/$DM_NAME"
}
test_cleanup() {

5
test/test-functions
View File

@ -337,6 +337,11 @@ qemu_min_version() {
# Return 0 if qemu did run (then you must check the result state/logs for actual
# success), or 1 if qemu is not available.
run_qemu() {
# If the test provided its own initrd, use it (e.g. TEST-24)
if [[ -z "$INITRD" && -f "${TESTDIR:?}/initrd.img" ]]; then
INITRD="$TESTDIR/initrd.img"
fi
if [ -f /etc/machine-id ]; then
read -r MACHINE_ID </etc/machine-id
[ -z "$INITRD" ] && [ -e "$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/initrd" ] \