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test-64-udev-storage: check device units

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This commit is contained in:
Yu Watanabe 2022-09-01 03:48:02 +09:00
parent a4cb8afb8f
commit 9c126b2c92
1 changed files with 116 additions and 0 deletions
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116
test/units/testsuite-64.sh
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@ -83,6 +83,93 @@ helper_check_udev_watch() {(
done < <(find /run/udev/watch -type l)
)}
check_device_unit() {(
set +x
local log_level link links path syspath unit
log_level="${1?}"
path="${2?}"
unit=$(systemd-escape --path --suffix=device "$path")
syspath=$(systemctl show --value --property SysFSPath "$unit" 2>/dev/null)
if [[ -z "$syspath" ]]; then
[[ "$log_level" == 1 ]] && echo >&2 "ERROR: $unit not found."
return 1
fi
if [[ ! -L "$path" ]]; then
if [[ ! -d "$syspath" ]]; then
[[ "$log_level" == 1 ]] && echo >&2 "ERROR: $unit exists for $syspath but it does not exist."
return 1
fi
return 0
fi
if [[ ! -b "$path" && ! -c "$path" ]]; then
[[ "$log_level" == 1 ]] && echo >&2 "ERROR: invalid file type $path"
return 1
fi
read -r -a links < <(udevadm info -q symlink "$syspath" 2>/dev/null)
for link in "${links[@]}"; do
if [[ "/dev/$link" == "$path" ]]; then # DEVLINKS= given by -q symlink are relative to /dev
return 0
fi
done
read -r -a links < <(udevadm info "$syspath" | sed -ne '/SYSTEMD_ALIAS=/ { s/^E: SYSTEMD_ALIAS=//; p }' 2>/dev/null)
for link in "${links[@]}"; do
if [[ "$link" == "$path" ]]; then # SYSTEMD_ALIAS= are absolute
return 0
fi
done
[[ "$log_level" == 1 ]] && echo >&2 "ERROR: $unit exists for $syspath but it does not have the corresponding DEVLINKS or SYSTEMD_ALIAS."
return 1
)}
check_device_units() {(
set +x
local log_level path paths
log_level="${1?}"
shift
paths=("$@")
for path in "${paths[@]}"; do
if ! check_device_unit "$log_level" "$path"; then
return 1
fi
done
while read -r unit _; do
path=$(systemd-escape --path --unescape "$unit")
if ! check_device_unit "$log_level" "$path"; then
return 1
fi
done < <(systemctl list-units --all --type=device --no-legend dev-* | awk '{ print $1 }' | sed -e 's/\.device$//')
return 0
)}
helper_check_device_units() {(
set +x
local i
for ((i = 0; i < 20; i++)); do
(( i == 0 )) || sleep .5
if check_device_units 0 "$@"; then
return 0
fi
done
check_device_units 1 "$@"
)}
testcase_megasas2_basic() {
lsblk -S
[[ "$(lsblk --scsi --noheadings | wc -l)" -ge 128 ]]
@ -160,6 +247,7 @@ EOF
"/dev/disk/by-uuid/deadbeef-dead-dead-beef-111111111111"
)
udevadm wait --settle --timeout=30 "${part_links[@]}"
helper_check_device_units "${part_links[@]}"
# Choose a random symlink to the failover data partition each time, for
# a better coverage
@ -191,6 +279,7 @@ EOF
# Make sure all symlinks are still valid
udevadm wait --settle --timeout=30 "${part_links[@]}"
helper_check_device_units "${part_links[@]}"
done
multipath -l "$path"
@ -287,6 +376,7 @@ EOF
fi
done
helper_check_device_units
rm -f "$rule" "$partscript"
udevadm control --reload
@ -317,16 +407,19 @@ testcase_lvm_basic() {
mkfs.ext4 -L mylvpart1 "/dev/$vgroup/mypart1"
udevadm wait --settle --timeout="$timeout" "/dev/disk/by-label/mylvpart1"
helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
helper_check_device_units
# Disable the VG and check symlinks...
lvm vgchange -an "$vgroup"
udevadm wait --settle --timeout="$timeout" --removed "/dev/$vgroup" "/dev/disk/by-label/mylvpart1"
helper_check_device_symlinks "/dev/disk"
helper_check_device_units
# reenable the VG and check the symlinks again if all LVs are properly activated
lvm vgchange -ay "$vgroup"
udevadm wait --settle --timeout="$timeout" "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2" "/dev/disk/by-label/mylvpart1"
helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
helper_check_device_units
# Same as above, but now with more "stress"
[[ -n "${ASAN_OPTIONS:-}" ]] && iterations=10 || iterations=50
@ -337,6 +430,7 @@ testcase_lvm_basic() {
if ((i % 5 == 0)); then
udevadm wait --settle --timeout="$timeout" "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2" "/dev/disk/by-label/mylvpart1"
helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
helper_check_device_units
fi
done
@ -345,6 +439,7 @@ testcase_lvm_basic() {
udevadm wait --settle --timeout="$timeout" --removed "/dev/$vgroup/mypart1"
udevadm wait --timeout=0 "/dev/$vgroup/mypart2"
helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
helper_check_device_units
# Create & remove LVs in a loop, i.e. with more "stress"
[[ -n "${ASAN_OPTIONS:-}" ]] && iterations=8 || iterations=16
@ -364,6 +459,7 @@ testcase_lvm_basic() {
udevadm wait --settle --timeout="$timeout" --removed "/dev/$vgroup/looppart$part"
done
helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
helper_check_device_units
fi
done
}
@ -383,6 +479,7 @@ testcase_btrfs_basic() {
udevadm wait --settle --timeout=30 "${devices[0]}" "/dev/disk/by-uuid/$uuid" "/dev/disk/by-label/$label"
btrfs filesystem show
helper_check_device_symlinks
helper_check_device_units
echo "Multiple devices: using partitions, data: single, metadata: raid1"
uuid="deadbeef-dead-dead-beef-000000000001"
@ -400,6 +497,7 @@ EOF
udevadm wait --settle --timeout=30 "/dev/disk/by-uuid/$uuid" "/dev/disk/by-label/$label"
btrfs filesystem show
helper_check_device_symlinks
helper_check_device_units
wipefs -a -f "${devices[0]}"
udevadm wait --settle --timeout=30 --removed /dev/disk/by-partlabel/diskpart{1..4}
@ -415,6 +513,7 @@ EOF
udevadm wait --settle --timeout=30 "/dev/disk/by-uuid/$uuid" "/dev/disk/by-label/$label"
btrfs filesystem show
helper_check_device_symlinks
helper_check_device_units
echo "Multiple devices: using LUKS encrypted disks, data: raid1, metadata: raid1, mixed mode"
uuid="deadbeef-dead-dead-beef-000000000003"
@ -441,6 +540,7 @@ EOF
systemctl start "systemd-cryptsetup@encbtrfs$i"
done
helper_check_device_symlinks
helper_check_device_units
# 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
@ -453,6 +553,7 @@ EOF
udevadm wait --settle --timeout=30 "/dev/disk/by-uuid/$uuid" "/dev/disk/by-label/$label"
btrfs filesystem show
helper_check_device_symlinks
helper_check_device_units
# Mount it and write some data to it we can compare later
mount -t btrfs /dev/mapper/encbtrfs0 "$mpoint"
echo "hello there" >"$mpoint/test"
@ -461,6 +562,7 @@ EOF
systemctl stop systemd-cryptsetup@encbtrfs{0..3}
udevadm wait --settle --timeout=30 --removed "/dev/disk/by-uuid/$uuid"
helper_check_device_symlinks
helper_check_device_units
# Add the mount point to /etc/fstab and check if the device can be put together
# automagically. The source device is the DM name of the first LUKS device
# (from /etc/crypttab). We have to specify all LUKS devices manually, as
@ -477,6 +579,7 @@ EOF
udevadm wait --settle --timeout=30 "/dev/disk/by-uuid/$uuid" "/dev/disk/by-label/$label"
btrfs filesystem show
helper_check_device_symlinks
helper_check_device_units
grep "hello there" "$mpoint/test"
# Cleanup
systemctl stop "${mpoint##*/}.mount"
@ -525,6 +628,7 @@ testcase_iscsi_lvm() {
iscsiadm --mode node --targetname "$target_name" --portal "$target_ip:$target_port" --login
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
helper_check_device_symlinks
helper_check_device_units
# Cleanup
iscsiadm --mode node --targetname "$target_name" --portal "$target_ip:$target_port" --logout
tgtadm --lld iscsi --op delete --mode target --tid=1
@ -560,6 +664,7 @@ testcase_iscsi_lvm() {
iscsiadm --mode node --targetname "$target_name" --portal "$target_ip:$target_port" --login
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
helper_check_device_symlinks
helper_check_device_units
# Add all iSCSI devices into a LVM volume group, create two logical volumes,
# and check if necessary symlinks exist (and are valid)
lvm pvcreate -y "${expected_symlinks[@]}"
@ -574,6 +679,7 @@ testcase_iscsi_lvm() {
mkfs.ext4 -L mylvpart1 "/dev/$vgroup/mypart1"
udevadm wait --settle --timeout=30 "/dev/disk/by-label/mylvpart1"
helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
helper_check_device_units
# Disconnect the iSCSI devices and check all the symlinks
iscsiadm --mode node --targetname "$target_name" --portal "$target_ip:$target_port" --logout
# "Reset" the DM state, since we yanked the backing storage from under the LVM,
@ -582,11 +688,13 @@ testcase_iscsi_lvm() {
# The LVM and iSCSI related symlinks should be gone
udevadm wait --settle --timeout=30 --removed "/dev/$vgroup" "/dev/disk/by-label/mylvpart1" "${expected_symlinks[@]}"
helper_check_device_symlinks "/dev/disk"
helper_check_device_units
# Reconnect the iSCSI devices and check if everything get detected correctly
iscsiadm --mode discoverydb --type sendtargets --portal "$target_ip" --discover
iscsiadm --mode node --targetname "$target_name" --portal "$target_ip:$target_port" --login
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}" "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2" "/dev/disk/by-label/mylvpart1"
helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
helper_check_device_units
# Cleanup
iscsiadm --mode node --targetname "$target_name" --portal "$target_ip:$target_port" --logout
tgtadm --lld iscsi --op delete --mode target --tid=2
@ -687,6 +795,7 @@ testcase_mdadm_basic() {
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
done
helper_check_device_symlinks
helper_check_device_units
# Cleanup
mdadm -v --stop "$raid_dev"
udevadm wait --settle --timeout=30 --removed "${expected_symlinks[@]}"
@ -715,9 +824,11 @@ testcase_mdadm_basic() {
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
done
helper_check_device_symlinks
helper_check_device_units
# Cleanup
mdadm -v --stop "$raid_dev"
udevadm wait --settle --timeout=30 --removed "${expected_symlinks[@]}"
helper_check_device_units
echo "Mirror + parity raid (RAID 10) + multiple partitions"
raid_name="mdmirpar"
@ -763,10 +874,12 @@ EOF
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
done
helper_check_device_symlinks
helper_check_device_units
# Cleanup
mdadm -v --stop "$raid_dev"
# Check if all expected symlinks were removed after the cleanup
udevadm wait --settle --timeout=30 --removed "${expected_symlinks[@]}"
helper_check_device_units
}
testcase_mdadm_lvm() {
@ -811,15 +924,18 @@ testcase_mdadm_lvm() {
mdadm -v --stop "$raid_dev"
udevadm wait --settle --timeout=30 --removed "${expected_symlinks[@]}"
helper_check_device_symlinks
helper_check_device_units
# Reassemble it and check if all required symlinks exist
mdadm --assemble "$raid_dev" --name "$raid_name" -v
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
helper_check_device_symlinks
helper_check_device_units
# Cleanup
lvm vgchange -an "$vgroup"
mdadm -v --stop "$raid_dev"
# Check if all expected symlinks were removed after the cleanup
udevadm wait --settle --timeout=30 --removed "${expected_symlinks[@]}"
helper_check_device_units
}
: >/failed