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https://github.com/systemd/systemd.git
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1018 lines
38 KiB
Bash
Executable File
1018 lines
38 KiB
Bash
Executable File
#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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# vi: ts=4 sw=4 tw=0 et:
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set -eux
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set -o pipefail
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# Check if all symlinks under /dev/disk/ are valid
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# shellcheck disable=SC2120
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helper_check_device_symlinks() {(
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set +x
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local dev link path paths target
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[[ $# -gt 0 ]] && paths=("$@") || paths=("/dev/disk" "/dev/mapper")
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# Check if all given paths are valid
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for path in "${paths[@]}"; do
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if ! test -e "$path"; then
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echo >&2 "Path '$path' doesn't exist"
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return 1
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fi
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done
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while read -r link; do
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target="$(readlink -f "$link")"
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# Both checks should do virtually the same thing, but check both to be
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# on the safe side
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if [[ ! -e "$link" || ! -e "$target" ]]; then
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echo >&2 "ERROR: symlink '$link' points to '$target' which doesn't exist"
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return 1
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fi
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# Check if the symlink points to the correct device in /dev
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dev="/dev/$(udevadm info -q name "$link")"
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if [[ "$target" != "$dev" ]]; then
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echo >&2 "ERROR: symlink '$link' points to '$target' but '$dev' was expected"
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return 1
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fi
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done < <(find "${paths[@]}" -type l)
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)}
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helper_check_udev_watch() {(
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set +x
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local link target id dev
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while read -r link; do
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target="$(readlink "$link")"
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if [[ ! -L "/run/udev/watch/$target" ]]; then
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echo >&2 "ERROR: symlink /run/udev/watch/$target does not exist"
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return 1
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fi
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if [[ "$(readlink "/run/udev/watch/$target")" != "$(basename "$link")" ]]; then
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echo >&2 "ERROR: symlink target of /run/udev/watch/$target is inconsistent with $link"
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return 1
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fi
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if [[ "$target" =~ ^[0-9]+$ ]]; then
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# $link is ID -> wd
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id="$(basename "$link")"
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else
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# $link is wd -> ID
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id="$target"
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fi
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if [[ "${id:0:1}" == "b" ]]; then
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dev="/dev/block/${id:1}"
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elif [[ "${id:0:1}" == "c" ]]; then
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dev="/dev/char/${id:1}"
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else
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echo >&2 "ERROR: unexpected device ID '$id'"
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return 1
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fi
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if [[ ! -e "$dev" ]]; then
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echo >&2 "ERROR: device '$dev' corresponding to symlink '$link' does not exist"
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return 1
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fi
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done < <(find /run/udev/watch -type l)
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)}
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check_device_unit() {(
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set +x
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local log_level link links path syspath unit
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log_level="${1?}"
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path="${2?}"
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unit=$(systemd-escape --path --suffix=device "$path")
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[[ "$log_level" == 1 ]] && echo "INFO: check_device_unit($unit)"
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syspath=$(systemctl show --value --property SysFSPath "$unit" 2>/dev/null)
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if [[ -z "$syspath" ]]; then
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[[ "$log_level" == 1 ]] && echo >&2 "ERROR: $unit not found."
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return 1
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fi
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if [[ ! -L "$path" ]]; then
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if [[ ! -d "$syspath" ]]; then
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[[ "$log_level" == 1 ]] && echo >&2 "ERROR: $unit exists for $syspath but it does not exist."
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return 1
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fi
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return 0
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fi
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if [[ ! -b "$path" && ! -c "$path" ]]; then
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[[ "$log_level" == 1 ]] && echo >&2 "ERROR: invalid file type $path"
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return 1
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fi
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read -r -a links < <(udevadm info -q symlink "$syspath" 2>/dev/null)
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for link in "${links[@]}"; do
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if [[ "/dev/$link" == "$path" ]]; then # DEVLINKS= given by -q symlink are relative to /dev
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return 0
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fi
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done
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read -r -a links < <(udevadm info "$syspath" | sed -ne '/SYSTEMD_ALIAS=/ { s/^E: SYSTEMD_ALIAS=//; p }' 2>/dev/null)
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for link in "${links[@]}"; do
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if [[ "$link" == "$path" ]]; then # SYSTEMD_ALIAS= are absolute
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return 0
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fi
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done
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[[ "$log_level" == 1 ]] && echo >&2 "ERROR: $unit exists for $syspath but it does not have the corresponding DEVLINKS or SYSTEMD_ALIAS."
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return 1
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)}
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check_device_units() {(
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set +x
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local log_level path paths
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log_level="${1?}"
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shift
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paths=("$@")
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for path in "${paths[@]}"; do
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if ! check_device_unit "$log_level" "$path"; then
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return 1
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fi
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done
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while read -r unit _; do
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path=$(systemd-escape --path --unescape "$unit")
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if ! check_device_unit "$log_level" "$path"; then
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return 1
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fi
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done < <(systemctl list-units --all --type=device --no-legend dev-* | awk '$1 !~ /dev-tty.+/ { print $1 }' | sed -e 's/\.device$//')
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return 0
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)}
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helper_check_device_units() {(
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set +x
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local i
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for (( i = 0; i < 20; i++ )); do
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if check_device_units 0 "$@"; then
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return 0
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fi
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sleep .5
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done
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check_device_units 1 "$@"
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)}
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testcase_megasas2_basic() {
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lsblk -S
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[[ "$(lsblk --scsi --noheadings | wc -l)" -ge 128 ]]
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}
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testcase_nvme_basic() {
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lsblk --noheadings | grep "^nvme"
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[[ "$(lsblk --noheadings | grep -c "^nvme")" -ge 28 ]]
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}
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testcase_nvme_subsystem() {
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local expected_symlinks=(
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# Controller(s)
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/dev/disk/by-id/nvme-QEMU_NVMe_Ctrl_deadbeef
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# Shared namespaces
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/dev/disk/by-path/pci-*-nvme-16
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/dev/disk/by-path/pci-*-nvme-17
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)
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udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
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}
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testcase_virtio_scsi_identically_named_partitions() {
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local num
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if [[ -v ASAN_OPTIONS || "$(systemd-detect-virt -v)" == "qemu" ]]; then
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num=$((4 * 4))
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else
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num=$((16 * 8))
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fi
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lsblk --noheadings -a -o NAME,PARTLABEL
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[[ "$(lsblk --noheadings -a -o NAME,PARTLABEL | grep -c "Hello world")" -eq "$num" ]]
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}
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testcase_multipath_basic_failover() {
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local dmpath i path wwid
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# Configure multipath
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cat >/etc/multipath.conf <<\EOF
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defaults {
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# Use /dev/mapper/$WWN paths instead of /dev/mapper/mpathX
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user_friendly_names no
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find_multipaths yes
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enable_foreign "^$"
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}
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blacklist_exceptions {
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property "(SCSI_IDENT_|ID_WWN)"
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}
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blacklist {
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}
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EOF
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modprobe -v dm_multipath
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systemctl start multipathd.service
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systemctl status multipathd.service
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multipath -ll
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udevadm settle
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ls -l /dev/disk/by-id/
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for i in {0..15}; do
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wwid="deaddeadbeef$(printf "%.4d" "$i")"
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path="/dev/disk/by-id/wwn-0x$wwid"
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dmpath="$(readlink -f "$path")"
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lsblk "$path"
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multipath -C "$dmpath"
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# We should have 4 active paths for each multipath device
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[[ "$(multipath -l "$path" | grep -c running)" -eq 4 ]]
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done
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# Test failover (with the first multipath device that has a partitioned disk)
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echo "${FUNCNAME[0]}: test failover"
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local device expected link mpoint part
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local -a devices
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mkdir -p /mnt
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mpoint="$(mktemp -d /mnt/mpathXXX)"
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wwid="deaddeadbeef0000"
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path="/dev/disk/by-id/wwn-0x$wwid"
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# All following symlinks should exists and should be valid
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local -a part_links=(
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"/dev/disk/by-id/wwn-0x$wwid-part2"
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"/dev/disk/by-partlabel/failover_part"
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"/dev/disk/by-partuuid/deadbeef-dead-dead-beef-000000000000"
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"/dev/disk/by-label/failover_vol"
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"/dev/disk/by-uuid/deadbeef-dead-dead-beef-111111111111"
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)
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udevadm wait --settle --timeout=30 "${part_links[@]}"
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helper_check_device_units "${part_links[@]}"
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# Choose a random symlink to the failover data partition each time, for
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# a better coverage
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part="${part_links[$RANDOM % ${#part_links[@]}]}"
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# Get all devices attached to a specific multipath device (in H:C:T:L format)
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# and sort them in a random order, so we cut off different paths each time
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mapfile -t devices < <(multipath -l "$path" | grep -Eo '[0-9]+:[0-9]+:[0-9]+:[0-9]+' | sort -R)
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if [[ "${#devices[@]}" -ne 4 ]]; then
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echo "Expected 4 devices attached to WWID=$wwid, got ${#devices[@]} instead"
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return 1
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fi
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# Drop the last path from the array, since we want to leave at least one path active
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unset "devices[3]"
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# Mount the first multipath partition, write some data we can check later,
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# and then disconnect the remaining paths one by one while checking if we
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# can still read/write from the mount
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mount -t ext4 "$part" "$mpoint"
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expected=0
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echo -n "$expected" >"$mpoint/test"
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# Sanity check we actually wrote what we wanted
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[[ "$(<"$mpoint/test")" == "$expected" ]]
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for device in "${devices[@]}"; do
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echo offline >"/sys/class/scsi_device/$device/device/state"
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[[ "$(<"$mpoint/test")" == "$expected" ]]
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expected="$((expected + 1))"
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echo -n "$expected" >"$mpoint/test"
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# Make sure all symlinks are still valid
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udevadm wait --settle --timeout=30 "${part_links[@]}"
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helper_check_device_units "${part_links[@]}"
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done
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multipath -l "$path"
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# Three paths should be now marked as 'offline' and one as 'running'
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[[ "$(multipath -l "$path" | grep -c offline)" -eq 3 ]]
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[[ "$(multipath -l "$path" | grep -c running)" -eq 1 ]]
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umount "$mpoint"
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rm -fr "$mpoint"
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}
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testcase_simultaneous_events() {
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local disk expected i iterations key link num_part part partscript rule target timeout
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local -a devices symlinks
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local -A running
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if [[ -v ASAN_OPTIONS || "$(systemd-detect-virt -v)" == "qemu" ]]; then
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num_part=2
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iterations=10
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timeout=240
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else
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num_part=10
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iterations=100
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timeout=30
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fi
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for disk in {0..9}; do
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link="/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_deadbeeftest${disk}"
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target="$(readlink -f "$link")"
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if [[ ! -b "$target" ]]; then
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echo "ERROR: failed to find the test SCSI block device $link"
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return 1
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fi
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devices+=("$target")
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done
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for ((part = 1; part <= num_part; part++)); do
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symlinks+=(
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"/dev/disk/by-partlabel/test${part}"
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)
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done
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partscript="$(mktemp)"
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cat >"$partscript" <<EOF
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$(for ((part = 1; part <= num_part; part++)); do printf 'name="test%d", size=2M\n' "$part"; done)
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EOF
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rule=/run/udev/rules.d/50-test.rules
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mkdir -p "${rule%/*}"
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cat >"$rule" <<EOF
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SUBSYSTEM=="block", KERNEL=="${devices[4]##*/}*|${devices[5]##*/}*", OPTIONS="link_priority=10"
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EOF
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udevadm control --reload
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# Delete the partitions, immediately recreate them, wait for udev to settle
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# down, and then check if we have any dangling symlinks in /dev/disk/. Rinse
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# and repeat.
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#
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# On unpatched udev versions the delete-recreate cycle may trigger a race
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# leading to dead symlinks in /dev/disk/
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for ((i = 1; i <= iterations; i++)); do
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for disk in {0..9}; do
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if ((disk % 2 == i % 2)); then
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udevadm lock --device="${devices[$disk]}" sfdisk -q --delete "${devices[$disk]}" &
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else
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udevadm lock --device="${devices[$disk]}" sfdisk -q -X gpt "${devices[$disk]}" <"$partscript" &
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fi
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running[$disk]=$!
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done
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for key in "${!running[@]}"; do
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wait "${running[$key]}"
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unset "running[$key]"
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done
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if ((i % 10 <= 1)); then
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udevadm wait --settle --timeout="$timeout" "${devices[@]}" "${symlinks[@]}"
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helper_check_device_symlinks
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helper_check_udev_watch
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for ((part = 1; part <= num_part; part++)); do
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link="/dev/disk/by-partlabel/test${part}"
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target="$(readlink -f "$link")"
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if ((i % 2 == 0)); then
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expected="${devices[5]}$part"
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else
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expected="${devices[4]}$part"
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fi
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if [[ "$target" != "$expected" ]]; then
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echo >&2 "ERROR: symlink '/dev/disk/by-partlabel/test${part}' points to '$target' but '$expected' was expected"
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return 1
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fi
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done
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fi
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done
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helper_check_device_units
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rm -f "$rule" "$partscript"
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udevadm control --reload
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}
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testcase_lvm_basic() {
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local i iterations partitions part timeout
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local vgroup="MyTestGroup$RANDOM"
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local devices=(
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/dev/disk/by-id/ata-foobar_deadbeeflvm{0..3}
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)
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if [[ -v ASAN_OPTIONS || "$(systemd-detect-virt -v)" == "qemu" ]]; then
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timeout=180
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else
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timeout=30
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fi
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# Make sure all the necessary soon-to-be-LVM devices exist
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ls -l "${devices[@]}"
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# Add all test devices into a volume group, create two logical volumes,
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# and check if necessary symlinks exist (and are valid)
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lvm pvcreate -y "${devices[@]}"
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lvm pvs
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lvm vgcreate "$vgroup" -y "${devices[@]}"
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lvm vgs
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lvm vgchange -ay "$vgroup"
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lvm lvcreate -y -L 4M "$vgroup" -n mypart1
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lvm lvcreate -y -L 8M "$vgroup" -n mypart2
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lvm lvs
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udevadm wait --settle --timeout="$timeout" "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2"
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mkfs.ext4 -L mylvpart1 "/dev/$vgroup/mypart1"
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udevadm wait --settle --timeout="$timeout" "/dev/disk/by-label/mylvpart1"
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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helper_check_device_units
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# Rename partitions (see issue #24518)
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lvm lvrename "/dev/$vgroup/mypart1" renamed1
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lvm lvrename "/dev/$vgroup/mypart2" renamed2
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udevadm wait --settle --timeout="$timeout" --removed "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2"
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udevadm wait --settle --timeout="$timeout" "/dev/$vgroup/renamed1" "/dev/$vgroup/renamed2"
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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helper_check_device_units
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# Rename them back
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lvm lvrename "/dev/$vgroup/renamed1" mypart1
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lvm lvrename "/dev/$vgroup/renamed2" mypart2
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udevadm wait --settle --timeout="$timeout" --removed "/dev/$vgroup/renamed1" "/dev/$vgroup/renamed2"
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udevadm wait --settle --timeout="$timeout" "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2"
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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helper_check_device_units
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# Disable the VG and check symlinks...
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lvm vgchange -an "$vgroup"
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udevadm wait --settle --timeout="$timeout" --removed "/dev/$vgroup" "/dev/disk/by-label/mylvpart1"
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helper_check_device_symlinks "/dev/disk"
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helper_check_device_units
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# reenable the VG and check the symlinks again if all LVs are properly activated
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lvm vgchange -ay "$vgroup"
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udevadm wait --settle --timeout="$timeout" "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2" "/dev/disk/by-label/mylvpart1"
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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helper_check_device_units
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# Same as above, but now with more "stress"
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if [[ -v ASAN_OPTIONS || "$(systemd-detect-virt -v)" == "qemu" ]]; then
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iterations=10
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else
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iterations=50
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fi
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for ((i = 1; i <= iterations; i++)); do
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lvm vgchange -an "$vgroup"
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lvm vgchange -ay "$vgroup"
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if ((i % 5 == 0)); then
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udevadm wait --settle --timeout="$timeout" "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2" "/dev/disk/by-label/mylvpart1"
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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helper_check_device_units
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fi
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done
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# Remove the first LV
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lvm lvremove -y "$vgroup/mypart1"
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udevadm wait --settle --timeout="$timeout" --removed "/dev/$vgroup/mypart1"
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udevadm wait --timeout=0 "/dev/$vgroup/mypart2"
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helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
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helper_check_device_units
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# Create & remove LVs in a loop, i.e. with more "stress"
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if [[ -v ASAN_OPTIONS ]]; then
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iterations=8
|
|
partitions=16
|
|
elif [[ "$(systemd-detect-virt -v)" == "qemu" ]]; then
|
|
iterations=8
|
|
partitions=8
|
|
else
|
|
iterations=16
|
|
partitions=16
|
|
fi
|
|
|
|
for ((i = 1; i <= iterations; i++)); do
|
|
# 1) Create some logical volumes
|
|
for ((part = 0; part < partitions; part++)); do
|
|
lvm lvcreate -y -L 4M "$vgroup" -n "looppart$part"
|
|
done
|
|
|
|
# 2) Immediately remove them
|
|
lvm lvremove -y $(seq -f "$vgroup/looppart%g" 0 "$((partitions - 1))")
|
|
|
|
# 3) On every 4th iteration settle udev and check if all partitions are
|
|
# indeed gone, and if all symlinks are still valid
|
|
if ((i % 4 == 0)); then
|
|
for ((part = 0; part < partitions; part++)); do
|
|
udevadm wait --settle --timeout="$timeout" --removed "/dev/$vgroup/looppart$part"
|
|
done
|
|
helper_check_device_symlinks "/dev/disk" "/dev/$vgroup"
|
|
helper_check_device_units
|
|
fi
|
|
done
|
|
}
|
|
|
|
testcase_btrfs_basic() {
|
|
local dev_stub i label mpoint uuid
|
|
local devices=(
|
|
/dev/disk/by-id/ata-foobar_deadbeefbtrfs{0..3}
|
|
)
|
|
|
|
ls -l "${devices[@]}"
|
|
|
|
echo "Single device: default settings"
|
|
uuid="deadbeef-dead-dead-beef-000000000000"
|
|
label="btrfs_root"
|
|
udevadm lock --device="${devices[0]}" mkfs.btrfs -L "$label" -U "$uuid" "${devices[0]}"
|
|
udevadm wait --settle --timeout=30 "${devices[0]}" "/dev/disk/by-uuid/$uuid" "/dev/disk/by-label/$label"
|
|
btrfs filesystem show
|
|
helper_check_device_symlinks
|
|
helper_check_device_units
|
|
|
|
echo "Multiple devices: using partitions, data: single, metadata: raid1"
|
|
uuid="deadbeef-dead-dead-beef-000000000001"
|
|
label="btrfs_mpart"
|
|
udevadm lock --device="${devices[0]}" sfdisk --wipe=always "${devices[0]}" <<EOF
|
|
label: gpt
|
|
|
|
name="diskpart1", size=85M
|
|
name="diskpart2", size=85M
|
|
name="diskpart3", size=85M
|
|
name="diskpart4", size=85M
|
|
EOF
|
|
udevadm wait --settle --timeout=30 /dev/disk/by-partlabel/diskpart{1..4}
|
|
udevadm lock --device="${devices[0]}" mkfs.btrfs -d single -m raid1 -L "$label" -U "$uuid" /dev/disk/by-partlabel/diskpart{1..4}
|
|
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 "${devices[0]}"
|
|
udevadm wait --settle --timeout=30 --removed /dev/disk/by-partlabel/diskpart{1..4}
|
|
|
|
echo "Multiple devices: using disks, data: raid10, metadata: raid10, mixed mode"
|
|
uuid="deadbeef-dead-dead-beef-000000000002"
|
|
label="btrfs_mdisk"
|
|
udevadm lock \
|
|
--device=/dev/disk/by-id/ata-foobar_deadbeefbtrfs0 \
|
|
--device=/dev/disk/by-id/ata-foobar_deadbeefbtrfs1 \
|
|
--device=/dev/disk/by-id/ata-foobar_deadbeefbtrfs2 \
|
|
--device=/dev/disk/by-id/ata-foobar_deadbeefbtrfs3 \
|
|
mkfs.btrfs -M -d raid10 -m raid10 -L "$label" -U "$uuid" "${devices[@]}"
|
|
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"
|
|
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[$i]}" /etc/btrfs_keyfile
|
|
udevadm wait --settle --timeout=30 "/dev/disk/by-uuid/deadbeef-dead-dead-beef-11111111111$i" "/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
|
|
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
|
|
udevadm lock \
|
|
--device=/dev/mapper/encbtrfs0 \
|
|
--device=/dev/mapper/encbtrfs1 \
|
|
--device=/dev/mapper/encbtrfs2 \
|
|
--device=/dev/mapper/encbtrfs3 \
|
|
mkfs.btrfs -M -d raid1 -m raid1 -L "$label" -U "$uuid" /dev/mapper/encbtrfs{0..3}
|
|
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"
|
|
# "Deconstruct" the btrfs device and check if we're in a sane state (symlink-wise)
|
|
umount "$mpoint"
|
|
systemctl stop systemd-cryptsetup@encbtrfs{0..3}
|
|
udevadm wait --settle --timeout=30 --removed "/dev/disk/by-uuid/$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
|
|
# 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"
|
|
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"
|
|
systemctl stop systemd-cryptsetup@encbtrfs{0..3}
|
|
sed -i "/${mpoint##*/}/d" /etc/fstab
|
|
: >/etc/crypttab
|
|
rm -fr "$mpoint"
|
|
systemctl daemon-reload
|
|
udevadm settle
|
|
}
|
|
|
|
testcase_iscsi_lvm() {
|
|
local dev i label link lun_id mpoint target_name uuid
|
|
local target_ip="127.0.0.1"
|
|
local target_port="3260"
|
|
local vgroup="iscsi_lvm$RANDOM"
|
|
local expected_symlinks=()
|
|
local devices=(
|
|
/dev/disk/by-id/ata-foobar_deadbeefiscsi{0..3}
|
|
)
|
|
|
|
ls -l "${devices[@]}"
|
|
|
|
# Start the target daemon
|
|
systemctl start tgtd
|
|
systemctl status tgtd
|
|
|
|
echo "iSCSI LUNs backed by devices"
|
|
# See RFC3721 and RFC7143
|
|
target_name="iqn.2021-09.com.example:iscsi.test"
|
|
# Initialize a new iSCSI target <$target_name> consisting of 4 LUNs, each
|
|
# backed by a device
|
|
tgtadm --lld iscsi --op new --mode target --tid=1 --targetname "$target_name"
|
|
for ((i = 0; i < ${#devices[@]}; i++)); do
|
|
# lun-0 is reserved by iSCSI
|
|
lun_id="$((i + 1))"
|
|
tgtadm --lld iscsi --op new --mode logicalunit --tid 1 --lun "$lun_id" -b "${devices[$i]}"
|
|
tgtadm --lld iscsi --op update --mode logicalunit --tid 1 --lun "$lun_id"
|
|
expected_symlinks+=(
|
|
"/dev/disk/by-path/ip-$target_ip:$target_port-iscsi-$target_name-lun-$lun_id"
|
|
)
|
|
done
|
|
tgtadm --lld iscsi --op bind --mode target --tid 1 -I ALL
|
|
# Configure the iSCSI initiator
|
|
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 "${expected_symlinks[@]}"
|
|
helper_check_device_symlinks
|
|
helper_check_device_units
|
|
# Cleanup
|
|
iscsiadm --mode node --targetname "$target_name" --portal "$target_ip:$target_port" --logout
|
|
tgtadm --lld iscsi --op delete --mode target --tid=1
|
|
|
|
echo "iSCSI LUNs backed by files + LVM"
|
|
# Note: we use files here to "trick" LVM the disks are indeed on a different
|
|
# host, so it doesn't automagically detect another path to the backing
|
|
# device once we disconnect the iSCSI devices
|
|
target_name="iqn.2021-09.com.example:iscsi.lvm.test"
|
|
mpoint="$(mktemp -d /iscsi_storeXXX)"
|
|
expected_symlinks=()
|
|
# Use the first device as it's configured with larger capacity
|
|
mkfs.ext4 -L iscsi_store "${devices[0]}"
|
|
udevadm wait --settle --timeout=30 "${devices[0]}"
|
|
mount "${devices[0]}" "$mpoint"
|
|
for i in {1..4}; do
|
|
dd if=/dev/zero of="$mpoint/lun$i.img" bs=1M count=32
|
|
done
|
|
# Initialize a new iSCSI target <$target_name> consisting of 4 LUNs, each
|
|
# backed by a file
|
|
tgtadm --lld iscsi --op new --mode target --tid=2 --targetname "$target_name"
|
|
# lun-0 is reserved by iSCSI
|
|
for i in {1..4}; do
|
|
tgtadm --lld iscsi --op new --mode logicalunit --tid 2 --lun "$i" -b "$mpoint/lun$i.img"
|
|
tgtadm --lld iscsi --op update --mode logicalunit --tid 2 --lun "$i"
|
|
expected_symlinks+=(
|
|
"/dev/disk/by-path/ip-$target_ip:$target_port-iscsi-$target_name-lun-$i"
|
|
)
|
|
done
|
|
tgtadm --lld iscsi --op bind --mode target --tid 2 -I ALL
|
|
# Configure the iSCSI initiator
|
|
iscsiadm --mode discoverydb --type sendtargets --portal "$target_ip" --discover
|
|
iscsiadm --mode node --targetname "$target_name" --portal "$target_ip:$target_port" --login
|
|
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
|
|
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 "${expected_symlinks[@]}"
|
|
lvm pvs
|
|
lvm vgcreate "$vgroup" -y "${expected_symlinks[@]}"
|
|
lvm vgs
|
|
lvm vgchange -ay "$vgroup"
|
|
lvm lvcreate -y -L 4M "$vgroup" -n mypart1
|
|
lvm lvcreate -y -L 8M "$vgroup" -n mypart2
|
|
lvm lvs
|
|
udevadm wait --settle --timeout=30 "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2"
|
|
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:$target_port" --logout
|
|
# "Reset" the DM state, since we yanked the backing storage from under the LVM,
|
|
# so the currently active VGs/LVs are invalid
|
|
dmsetup remove_all --deferred
|
|
# The LVM and iSCSI related symlinks should be gone
|
|
udevadm wait --settle --timeout=30 --removed "/dev/$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
|
|
umount "$mpoint"
|
|
rm -rf "$mpoint"
|
|
}
|
|
|
|
testcase_long_sysfs_path() {
|
|
local cursor link logfile mpoint
|
|
local expected_symlinks=(
|
|
"/dev/disk/by-label/data_vol"
|
|
"/dev/disk/by-label/swap_vol"
|
|
"/dev/disk/by-partlabel/test_swap"
|
|
"/dev/disk/by-partlabel/test_part"
|
|
"/dev/disk/by-partuuid/deadbeef-dead-dead-beef-000000000000"
|
|
"/dev/disk/by-uuid/deadbeef-dead-dead-beef-111111111111"
|
|
"/dev/disk/by-uuid/deadbeef-dead-dead-beef-222222222222"
|
|
)
|
|
|
|
# Create a cursor file to skip messages generated by udevd in initrd, as it
|
|
# might not be the same up-to-date version as we currently run (hence generating
|
|
# messages we check for later and making the test fail)
|
|
cursor="$(mktemp)"
|
|
journalctl --cursor-file="${cursor:?}" -n0 -q
|
|
|
|
# Make sure the test device is connected and show its "wonderful" path
|
|
stat /sys/block/vda
|
|
readlink -f /sys/block/vda/dev
|
|
|
|
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
|
|
|
|
# Try to mount the data partition manually (using its label)
|
|
mpoint="$(mktemp -d /logsysfsXXX)"
|
|
mount LABEL=data_vol "$mpoint"
|
|
touch "$mpoint/test"
|
|
umount "$mpoint"
|
|
# Do the same, but with UUID and using fstab
|
|
echo "UUID=deadbeef-dead-dead-beef-222222222222 $mpoint ext4 defaults 0 0" >>/etc/fstab
|
|
systemctl daemon-reload
|
|
mount "$mpoint"
|
|
timeout 30 bash -c "while ! systemctl -q is-active '$mpoint'; do sleep .2; done"
|
|
test -e "$mpoint/test"
|
|
umount "$mpoint"
|
|
|
|
# Test out the swap partition
|
|
swapon -v -L swap_vol
|
|
swapoff -v -L swap_vol
|
|
|
|
udevadm settle
|
|
|
|
logfile="$(mktemp)"
|
|
# Check state of affairs after https://github.com/systemd/systemd/pull/22759
|
|
# Note: can't use `--cursor-file` here, since we don't want to update the cursor
|
|
# after using it
|
|
[[ "$(journalctl --after-cursor="$(<"$cursor")" -q --no-pager -o short-monotonic -p info --grep "Device path.*vda.?' too long to fit into unit name" | wc -l)" -eq 0 ]]
|
|
[[ "$(journalctl --after-cursor="$(<"$cursor")" -q --no-pager -o short-monotonic --grep "Unit name .*vda.?\.device\" too long, falling back to hashed unit name" | wc -l)" -gt 0 ]]
|
|
# Check if the respective "hashed" units exist and are active (plugged)
|
|
systemctl status --no-pager "$(readlink -f /sys/block/vda/vda1)"
|
|
systemctl status --no-pager "$(readlink -f /sys/block/vda/vda2)"
|
|
# Make sure we don't unnecessarily spam the log
|
|
{ journalctl -b -q --no-pager -o short-monotonic -p info --grep "/sys/devices/.+/vda[0-9]?" _PID=1 + UNIT=systemd-udevd.service || :;} | tee "$logfile"
|
|
[[ "$(wc -l <"$logfile")" -lt 10 ]]
|
|
|
|
: >/etc/fstab
|
|
rm -fr "${cursor:?}" "${logfile:?}" "${mpoint:?}"
|
|
}
|
|
|
|
testcase_mdadm_basic() {
|
|
local i part_name raid_name raid_dev uuid
|
|
local expected_symlinks=()
|
|
local devices=(
|
|
/dev/disk/by-id/ata-foobar_deadbeefmdadm{0..4}
|
|
)
|
|
|
|
ls -l "${devices[@]}"
|
|
|
|
echo "Mirror raid (RAID 1)"
|
|
raid_name="mdmirror"
|
|
raid_dev="/dev/md/$raid_name"
|
|
part_name="${raid_name}_part"
|
|
uuid="aaaaaaaa:bbbbbbbb:cccccccc:00000001"
|
|
expected_symlinks=(
|
|
"$raid_dev"
|
|
"/dev/disk/by-id/md-name-H:$raid_name"
|
|
"/dev/disk/by-id/md-uuid-$uuid"
|
|
"/dev/disk/by-label/$part_name" # ext4 partition
|
|
)
|
|
# Create a simple RAID 1 with an ext4 filesystem
|
|
echo y | mdadm --create "$raid_dev" --name "$raid_name" --uuid "$uuid" /dev/disk/by-id/ata-foobar_deadbeefmdadm{0..1} -v -f --level=1 --raid-devices=2
|
|
udevadm wait --settle --timeout=30 "$raid_dev"
|
|
mkfs.ext4 -L "$part_name" "$raid_dev"
|
|
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
|
|
for i in {0..9}; do
|
|
echo "Disassemble - reassemble loop, iteration #$i"
|
|
mdadm -v --stop "$raid_dev"
|
|
udevadm wait --settle --timeout=30 --removed "${expected_symlinks[@]}"
|
|
mdadm --assemble "$raid_dev" --name "$raid_name" -v
|
|
udevadm wait --settle --timeout=30 "${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[@]}"
|
|
|
|
echo "Parity raid (RAID 5)"
|
|
raid_name="mdparity"
|
|
raid_dev="/dev/md/$raid_name"
|
|
part_name="${raid_name}_part"
|
|
uuid="aaaaaaaa:bbbbbbbb:cccccccc:00000101"
|
|
expected_symlinks=(
|
|
"$raid_dev"
|
|
"/dev/disk/by-id/md-name-H:$raid_name"
|
|
"/dev/disk/by-id/md-uuid-$uuid"
|
|
"/dev/disk/by-label/$part_name" # ext4 partition
|
|
)
|
|
# Create a simple RAID 5 with an ext4 filesystem
|
|
echo y | mdadm --create "$raid_dev" --name "$raid_name" --uuid "$uuid" /dev/disk/by-id/ata-foobar_deadbeefmdadm{0..2} -v -f --level=5 --raid-devices=3
|
|
udevadm wait --settle --timeout=30 "$raid_dev"
|
|
mkfs.ext4 -L "$part_name" "$raid_dev"
|
|
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
|
|
for i in {0..9}; do
|
|
echo "Disassemble - reassemble loop, iteration #$i"
|
|
mdadm -v --stop "$raid_dev"
|
|
udevadm wait --settle --timeout=30 --removed "${expected_symlinks[@]}"
|
|
mdadm --assemble "$raid_dev" --name "$raid_name" -v
|
|
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 "${expected_symlinks[@]}"
|
|
helper_check_device_units
|
|
|
|
echo "Mirror + parity raid (RAID 10) + multiple partitions"
|
|
raid_name="mdmirpar"
|
|
raid_dev="/dev/md/$raid_name"
|
|
part_name="${raid_name}_part"
|
|
uuid="aaaaaaaa:bbbbbbbb:cccccccc:00001010"
|
|
expected_symlinks=(
|
|
"$raid_dev"
|
|
"/dev/disk/by-id/md-name-H:$raid_name"
|
|
"/dev/disk/by-id/md-uuid-$uuid"
|
|
"/dev/disk/by-label/$part_name" # ext4 partition
|
|
# Partitions
|
|
"${raid_dev}1"
|
|
"${raid_dev}2"
|
|
"${raid_dev}3"
|
|
"/dev/disk/by-id/md-name-H:$raid_name-part1"
|
|
"/dev/disk/by-id/md-name-H:$raid_name-part2"
|
|
"/dev/disk/by-id/md-name-H:$raid_name-part3"
|
|
"/dev/disk/by-id/md-uuid-$uuid-part1"
|
|
"/dev/disk/by-id/md-uuid-$uuid-part2"
|
|
"/dev/disk/by-id/md-uuid-$uuid-part3"
|
|
)
|
|
# Create a simple RAID 10 with an ext4 filesystem
|
|
echo y | mdadm --create "$raid_dev" --name "$raid_name" --uuid "$uuid" /dev/disk/by-id/ata-foobar_deadbeefmdadm{0..3} -v -f --level=10 --raid-devices=4
|
|
udevadm wait --settle --timeout=30 "$raid_dev"
|
|
# Partition the raid device
|
|
# Here, 'udevadm lock' is meaningless, as udevd does not lock MD devices.
|
|
sfdisk --wipe=always "$raid_dev" <<EOF
|
|
label: gpt
|
|
|
|
uuid="deadbeef-dead-dead-beef-111111111111", name="mdpart1", size=8M
|
|
uuid="deadbeef-dead-dead-beef-222222222222", name="mdpart2", size=32M
|
|
uuid="deadbeef-dead-dead-beef-333333333333", name="mdpart3", size=16M
|
|
EOF
|
|
udevadm wait --settle --timeout=30 "/dev/disk/by-id/md-uuid-$uuid-part2"
|
|
mkfs.ext4 -L "$part_name" "/dev/disk/by-id/md-uuid-$uuid-part2"
|
|
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
|
|
for i in {0..9}; do
|
|
echo "Disassemble - reassemble loop, iteration #$i"
|
|
mdadm -v --stop "$raid_dev"
|
|
udevadm wait --settle --timeout=30 --removed "${expected_symlinks[@]}"
|
|
mdadm --assemble "$raid_dev" --name "$raid_name" -v
|
|
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 "${expected_symlinks[@]}"
|
|
helper_check_device_units
|
|
}
|
|
|
|
testcase_mdadm_lvm() {
|
|
local part_name raid_name raid_dev uuid vgroup
|
|
local expected_symlinks=()
|
|
local devices=(
|
|
/dev/disk/by-id/ata-foobar_deadbeefmdadmlvm{0..4}
|
|
)
|
|
|
|
ls -l "${devices[@]}"
|
|
|
|
raid_name="mdlvm"
|
|
raid_dev="/dev/md/$raid_name"
|
|
part_name="${raid_name}_part"
|
|
vgroup="${raid_name}_vg"
|
|
uuid="aaaaaaaa:bbbbbbbb:ffffffff:00001010"
|
|
expected_symlinks=(
|
|
"$raid_dev"
|
|
"/dev/$vgroup/mypart1" # LVM partition
|
|
"/dev/$vgroup/mypart2" # LVM partition
|
|
"/dev/disk/by-id/md-name-H:$raid_name"
|
|
"/dev/disk/by-id/md-uuid-$uuid"
|
|
"/dev/disk/by-label/$part_name" # ext4 partition
|
|
)
|
|
# Create a RAID 10 with LVM + ext4
|
|
echo y | mdadm --create "$raid_dev" --name "$raid_name" --uuid "$uuid" /dev/disk/by-id/ata-foobar_deadbeefmdadmlvm{0..3} -v -f --level=10 --raid-devices=4
|
|
udevadm wait --settle --timeout=30 "$raid_dev"
|
|
# Create an LVM on the MD
|
|
lvm pvcreate -y "$raid_dev"
|
|
lvm pvs
|
|
lvm vgcreate "$vgroup" -y "$raid_dev"
|
|
lvm vgs
|
|
lvm vgchange -ay "$vgroup"
|
|
lvm lvcreate -y -L 4M "$vgroup" -n mypart1
|
|
lvm lvcreate -y -L 8M "$vgroup" -n mypart2
|
|
lvm lvs
|
|
udevadm wait --settle --timeout=30 "/dev/$vgroup/mypart1" "/dev/$vgroup/mypart2"
|
|
mkfs.ext4 -L "$part_name" "/dev/$vgroup/mypart2"
|
|
udevadm wait --settle --timeout=30 "${expected_symlinks[@]}"
|
|
# Disassemble the array
|
|
lvm vgchange -an "$vgroup"
|
|
mdadm -v --stop "$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 "${expected_symlinks[@]}"
|
|
helper_check_device_units
|
|
}
|
|
|
|
: >/failed
|
|
|
|
udevadm settle
|
|
udevadm control --log-level debug
|
|
lsblk -a
|
|
|
|
echo "Check if all symlinks under /dev/disk/ are valid (pre-test)"
|
|
helper_check_device_symlinks
|
|
|
|
# TEST_FUNCTION_NAME is passed on the kernel command line via systemd.setenv=
|
|
# in the respective test.sh file
|
|
if ! command -v "${TEST_FUNCTION_NAME:?}"; then
|
|
echo >&2 "Missing verification handler for test case '$TEST_FUNCTION_NAME'"
|
|
exit 1
|
|
fi
|
|
|
|
echo "TEST_FUNCTION_NAME=$TEST_FUNCTION_NAME"
|
|
"$TEST_FUNCTION_NAME"
|
|
udevadm settle
|
|
|
|
echo "Check if all symlinks under /dev/disk/ are valid (post-test)"
|
|
helper_check_device_symlinks
|
|
|
|
udevadm control --log-level info
|
|
|
|
systemctl status systemd-udevd
|
|
|
|
touch /testok
|
|
rm /failed
|