mirror of
https://github.com/systemd/systemd
synced 2024-10-07 00:30:59 +00:00
test: btrfs-related udev tests
This commit is contained in:
Frantisek Sumsal
parent
677acd2101
commit
b1471e559e
|
|
@ -5,9 +5,7 @@
|
|||
# * iSCSI
|
||||
# * LVM over iSCSI (?)
|
||||
# * SW raid (mdadm)
|
||||
# * LUKS -> MD (mdadm) -> LVM
|
||||
# * BTRFS
|
||||
# * MD BTRFS
|
||||
# * MD (mdadm) -> DM-CRYPT -> LVM
|
||||
set -e
|
||||
|
||||
TEST_DESCRIPTION="systemd-udev storage tests"
|
||||
|
|
@ -37,7 +35,7 @@ _host_has_feature() {(
|
|||
command -v lvm
|
||||
;;
|
||||
btrfs)
|
||||
modprobe -nv btrfs && command -v mkfs.btrfs
|
||||
modprobe -nv btrfs && command -v mkfs.btrfs && command -v btrfs
|
||||
;;
|
||||
*)
|
||||
echo >&2 "ERROR: Unknown feature '$1'"
|
||||
|
|
@ -51,15 +49,19 @@ test_append_files() {(
|
|||
local feature
|
||||
# An associative array of requested (but optional) features and their
|
||||
# respective "handlers" from test/test-functions
|
||||
#
|
||||
# Note: we install cryptsetup unconditionally, hence it's not explicitly
|
||||
# checked for here
|
||||
local -A features=(
|
||||
[multipath]=install_multipath
|
||||
[btrfs]=install_btrfs
|
||||
[lvm]=install_lvm
|
||||
[multipath]=install_multipath
|
||||
)
|
||||
|
||||
instmods "=block" "=md" "=nvme" "=scsi"
|
||||
install_dmevent
|
||||
generate_module_dependencies
|
||||
image_install lsblk wc
|
||||
image_install lsblk wc wipefs
|
||||
|
||||
# Install the optional features if the host has the respective tooling
|
||||
for feature in "${!features[@]}"; do
|
||||
|
|
@ -74,6 +76,13 @@ test_append_files() {(
|
|||
done
|
||||
)}
|
||||
|
||||
_image_cleanup() {
|
||||
mount_initdir
|
||||
# Clean up certain "problematic" files which may be left over by failing tests
|
||||
: >"${initdir:?}/etc/fstab"
|
||||
: >"${initdir:?}/etc/crypttab"
|
||||
}
|
||||
|
||||
test_run_one() {
|
||||
local test_id="${1:?}"
|
||||
|
||||
|
|
@ -100,6 +109,7 @@ test_run() {
|
|||
|
||||
# Execute each currently defined function starting with "testcase_"
|
||||
for testcase in "${TESTCASES[@]}"; do
|
||||
_image_cleanup
|
||||
echo "------ $testcase: BEGIN ------"
|
||||
{ "$testcase" "$test_id"; ec=$?; } || :
|
||||
case $ec in
|
||||
|
|
@ -311,6 +321,34 @@ testcase_lvm_basic() {
|
|||
rm -f "${TESTDIR:?}"/lvmbasic*.img
|
||||
}
|
||||
|
||||
testcase_btrfs_basic() {
|
||||
if ! _host_has_feature "btrfs"; then
|
||||
echo "Missing btrfs tools/modules, skipping the test..."
|
||||
return 77
|
||||
fi
|
||||
|
||||
local qemu_opts=("-device ahci,id=ahci0")
|
||||
local diskpath i size
|
||||
|
||||
for i in {0..3}; do
|
||||
diskpath="${TESTDIR:?}/btrfsbasic${i}.img"
|
||||
# Make the first disk larger for multi-partition tests
|
||||
[[ $i -eq 0 ]] && size=350 || size=128
|
||||
|
||||
dd if=/dev/zero of="$diskpath" bs=1M count="$size"
|
||||
qemu_opts+=(
|
||||
"-device ide-hd,bus=ahci0.$i,drive=drive$i,model=foobar,serial=deadbeefbtrfs$i"
|
||||
"-drive format=raw,cache=unsafe,file=$diskpath,if=none,id=drive$i"
|
||||
)
|
||||
done
|
||||
|
||||
KERNEL_APPEND="systemd.setenv=TEST_FUNCTION_NAME=${FUNCNAME[0]} ${USER_KERNEL_APPEND:-}"
|
||||
QEMU_OPTIONS="${qemu_opts[*]} ${USER_QEMU_OPTIONS:-}"
|
||||
test_run_one "${1:?}"
|
||||
|
||||
rm -f "${TESTDIR:?}"/btrfsbasic*.img
|
||||
}
|
||||
|
||||
# Allow overriding which tests should be run from the "outside", useful for manual
|
||||
# testing (make -C test/... TESTCASES="testcase1 testcase2")
|
||||
if [[ -v "TESTCASES" && -n "$TESTCASES" ]]; then
|
||||
|
|
|
|||
|
|
@ -277,6 +277,126 @@ testcase_lvm_basic() {
|
|||
done
|
||||
}
|
||||
|
||||
testcase_btrfs_basic() {
|
||||
local dev_stub i label mpoint uuid
|
||||
local devices=(
|
||||
/dev/disk/by-id/ata-foobar_deadbeefbtrfs{0..3}
|
||||
)
|
||||
|
||||
ls -l "${devices[@]}"
|
||||
|
||||
echo "Single device: default settings"
|
||||
uuid="deadbeef-dead-dead-beef-000000000000"
|
||||
label="btrfs_root"
|
||||
mkfs.btrfs -L "$label" -U "$uuid" "${devices[0]}"
|
||||
udevadm settle
|
||||
btrfs filesystem show
|
||||
test -e "/dev/disk/by-uuid/$uuid"
|
||||
test -e "/dev/disk/by-label/$label"
|
||||
helper_check_device_symlinks
|
||||
|
||||
echo "Multiple devices: using partitions, data: single, metadata: raid1"
|
||||
uuid="deadbeef-dead-dead-beef-000000000001"
|
||||
label="btrfs_mpart"
|
||||
sfdisk --wipe=always "${devices[0]}" <<EOF
|
||||
label: gpt
|
||||
|
||||
name="diskpart1", size=85M
|
||||
name="diskpart2", size=85M
|
||||
name="diskpart3", size=85M
|
||||
name="diskpart4", size=85M
|
||||
EOF
|
||||
udevadm settle
|
||||
mkfs.btrfs -d single -m raid1 -L "$label" -U "$uuid" /dev/disk/by-partlabel/diskpart{1..4}
|
||||
udevadm settle
|
||||
btrfs filesystem show
|
||||
test -e "/dev/disk/by-uuid/$uuid"
|
||||
test -e "/dev/disk/by-label/$label"
|
||||
helper_check_device_symlinks
|
||||
wipefs -a -f "${devices[0]}"
|
||||
|
||||
echo "Multiple devices: using disks, data: raid10, metadata: raid10, mixed mode"
|
||||
uuid="deadbeef-dead-dead-beef-000000000002"
|
||||
label="btrfs_mdisk"
|
||||
mkfs.btrfs -M -d raid10 -m raid10 -L "$label" -U "$uuid" "${devices[@]}"
|
||||
udevadm settle
|
||||
btrfs filesystem show
|
||||
test -e "/dev/disk/by-uuid/$uuid"
|
||||
test -e "/dev/disk/by-label/$label"
|
||||
helper_check_device_symlinks
|
||||
|
||||
echo "Multiple devices: using LUKS encrypted disks, data: raid1, metadata: raid1, mixed mode"
|
||||
uuid="deadbeef-dead-dead-beef-000000000003"
|
||||
label="btrfs_mencdisk"
|
||||
mpoint="/btrfs_enc$RANDOM"
|
||||
mkdir "$mpoint"
|
||||
# Create a key-file
|
||||
dd if=/dev/urandom of=/etc/btrfs_keyfile bs=64 count=1 iflag=fullblock
|
||||
chmod 0600 /etc/btrfs_keyfile
|
||||
# Encrypt each device and add it to /etc/crypttab, so it can be mounted
|
||||
# automagically later
|
||||
: >/etc/crypttab
|
||||
for ((i = 0; i < ${#devices[@]}; i++)); do
|
||||
# Intentionally use weaker cipher-related settings, since we don't care
|
||||
# about security here as it's a throwaway LUKS partition
|
||||
cryptsetup luksFormat -q \
|
||||
--use-urandom --pbkdf pbkdf2 --pbkdf-force-iterations 1000 \
|
||||
--uuid "deadbeef-dead-dead-beef-11111111111$i" --label "encdisk$i" "${devices[$i]}" /etc/btrfs_keyfile
|
||||
udevadm settle
|
||||
test -e "/dev/disk/by-uuid/deadbeef-dead-dead-beef-11111111111$i"
|
||||
test -e "/dev/disk/by-label/encdisk$i"
|
||||
# Add the device into /etc/crypttab, reload systemd, and then activate
|
||||
# the device so we can create a filesystem on it later
|
||||
echo "encbtrfs$i UUID=deadbeef-dead-dead-beef-11111111111$i /etc/btrfs_keyfile luks,noearly" >>/etc/crypttab
|
||||
systemctl daemon-reload
|
||||
systemctl start "systemd-cryptsetup@encbtrfs$i"
|
||||
done
|
||||
helper_check_device_symlinks
|
||||
# Check if we have all necessary DM devices
|
||||
ls -l /dev/mapper/encbtrfs{0..3}
|
||||
# Create a multi-device btrfs filesystem on the LUKS devices
|
||||
mkfs.btrfs -M -d raid1 -m raid1 -L "$label" -U "$uuid" /dev/mapper/encbtrfs{0..3}
|
||||
udevadm settle
|
||||
btrfs filesystem show
|
||||
test -e "/dev/disk/by-uuid/$uuid"
|
||||
test -e "/dev/disk/by-label/$label"
|
||||
helper_check_device_symlinks
|
||||
# Mount it and write some data to it we can compare later
|
||||
mount -t btrfs /dev/mapper/encbtrfs0 "$mpoint"
|
||||
echo "hello there" >"$mpoint/test"
|
||||
# "Deconstruct" the btrfs device and check if we're in a sane state (symlink-wise)
|
||||
umount "$mpoint"
|
||||
systemctl stop systemd-cryptsetup@encbtrfs{0..3}
|
||||
test ! -e "/dev/disk/by-uuid/$uuid"
|
||||
helper_check_device_symlinks
|
||||
# Add the mount point to /etc/fstab and check if the device can be put together
|
||||
# automagically. The source device is the DM name of the first LUKS device
|
||||
# (from /etc/crypttab). We have to specify all LUKS devices manually, as
|
||||
# registering the necessary devices is usually initrd's job (via btrfs device scan)
|
||||
dev_stub="/dev/mapper/encbtrfs"
|
||||
echo "/dev/mapper/encbtrfs0 $mpoint btrfs device=${dev_stub}0,device=${dev_stub}1,device=${dev_stub}2,device=${dev_stub}3 0 2" >>/etc/fstab
|
||||
# Tell systemd about the new mount
|
||||
systemctl daemon-reload
|
||||
# Restart cryptsetup.target to trigger autounlock of partitions in /etc/crypttab
|
||||
systemctl restart cryptsetup.target
|
||||
# Start the corresponding mount unit and check if the btrfs device was reconstructed
|
||||
# correctly
|
||||
systemctl start "${mpoint##*/}.mount"
|
||||
btrfs filesystem show
|
||||
test -e "/dev/disk/by-uuid/$uuid"
|
||||
test -e "/dev/disk/by-label/$label"
|
||||
helper_check_device_symlinks
|
||||
grep "hello there" "$mpoint/test"
|
||||
# Cleanup
|
||||
systemctl stop "${mpoint##*/}.mount"
|
||||
systemctl stop systemd-cryptsetup@encbtrfs{0..3}
|
||||
sed -i "/${mpoint##*/}/d" /etc/fstab
|
||||
: >/etc/crypttab
|
||||
rm -fr "$mpoint"
|
||||
systemctl daemon-reload
|
||||
udevadm settle
|
||||
}
|
||||
|
||||
: >/failed
|
||||
|
||||
udevadm settle
|
||||
|
|
|
|||
Loading…
Reference in a new issue