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458 lines
15 KiB
Bash
Executable File
458 lines
15 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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#
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# TODO:
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# * SW raid (mdadm)
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# * MD (mdadm) -> dm-crypt -> LVM
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# * iSCSI -> dm-crypt -> LVM
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set -e
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TEST_DESCRIPTION="systemd-udev storage tests"
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IMAGE_NAME="default"
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TEST_NO_NSPAWN=1
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# Save only journals of failing test cases by default (to conserve space)
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TEST_SAVE_JOURNAL="${TEST_SAVE_JOURNAL:-fail}"
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QEMU_TIMEOUT="${QEMU_TIMEOUT:-600}"
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# shellcheck source=test/test-functions
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. "${TEST_BASE_DIR:?}/test-functions"
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USER_QEMU_OPTIONS="${QEMU_OPTIONS:-}"
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USER_KERNEL_APPEND="${KERNEL_APPEND:-}"
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if ! get_bool "$QEMU_KVM"; then
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echo "This test requires KVM, skipping..."
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exit 0
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fi
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_host_has_feature() {(
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set -e
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case "${1:?}" in
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btrfs)
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modprobe -nv btrfs && command -v mkfs.btrfs && command -v btrfs || return $?
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;;
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iscsi)
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# Client/initiator (Open-iSCSI)
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command -v iscsiadm && command -v iscsid || return $?
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# Server/target (TGT)
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command -v tgtadm && command -v tgtd || return $?
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;;
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lvm)
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command -v lvm || return $?
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;;
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multipath)
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command -v multipath && command -v multipathd || return $?
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;;
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*)
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echo >&2 "ERROR: Unknown feature '$1'"
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# Make this a hard error to distinguish an invalid feature from
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# a missing feature
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exit 1
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esac
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)}
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test_append_files() {(
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local feature
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# An associative array of requested (but optional) features and their
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# respective "handlers" from test/test-functions
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#
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# Note: we install cryptsetup unconditionally, hence it's not explicitly
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# checked for here
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local -A features=(
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[btrfs]=install_btrfs
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[iscsi]=install_iscsi
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[lvm]=install_lvm
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[multipath]=install_multipath
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)
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instmods "=block" "=md" "=nvme" "=scsi"
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install_dmevent
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image_install lsblk swapoff swapon wc wipefs
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# Install the optional features if the host has the respective tooling
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for feature in "${!features[@]}"; do
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if _host_has_feature "$feature"; then
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"${features[$feature]}"
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fi
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done
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generate_module_dependencies
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for i in {0..127}; do
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dd if=/dev/zero of="${TESTDIR:?}/disk$i.img" bs=1M count=1
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echo "device$i" >"${TESTDIR:?}/disk$i.img"
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done
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)}
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_image_cleanup() {
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mount_initdir
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# Clean up certain "problematic" files which may be left over by failing tests
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: >"${initdir:?}/etc/fstab"
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: >"${initdir:?}/etc/crypttab"
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}
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test_run_one() {
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local test_id="${1:?}"
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if run_qemu "$test_id"; then
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check_result_qemu || { echo "QEMU test failed"; return 1; }
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fi
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return 0
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}
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test_run() {
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local test_id="${1:?}"
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local passed=()
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local failed=()
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local skipped=()
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local ec state
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mount_initdir
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if get_bool "${TEST_NO_QEMU:=}" || ! find_qemu_bin; then
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dwarn "can't run QEMU, skipping"
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return 0
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fi
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# Execute each currently defined function starting with "testcase_"
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for testcase in "${TESTCASES[@]}"; do
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_image_cleanup
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echo "------ $testcase: BEGIN ------"
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# Note for my future frustrated self: `fun && xxx` (as well as ||, if, while,
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# until, etc.) _DISABLES_ the `set -e` behavior in _ALL_ nested function
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# calls made from `fun()`, i.e. the function _CONTINUES_ even when a called
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# command returned non-zero EC. That may unexpectedly hide failing commands
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# if not handled properly. See: bash(1) man page, `set -e` section.
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#
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# So, be careful when adding clean up snippets in the testcase_*() functions -
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# if the `test_run_one()` function isn't the last command, you have propagate
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# the exit code correctly (e.g. `test_run_one() || return $?`, see below).
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ec=0
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"$testcase" "$test_id" || ec=$?
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case $ec in
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0)
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passed+=("$testcase")
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state="PASS"
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;;
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77)
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skipped+=("$testcase")
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state="SKIP"
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;;
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*)
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failed+=("$testcase")
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state="FAIL"
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esac
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echo "------ $testcase: END ($state) ------"
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done
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echo "Passed tests: ${#passed[@]}"
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printf " * %s\n" "${passed[@]}"
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echo "Skipped tests: ${#skipped[@]}"
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printf " * %s\n" "${skipped[@]}"
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echo "Failed tests: ${#failed[@]}"
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printf " * %s\n" "${failed[@]}"
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[[ ${#failed[@]} -eq 0 ]] || return 1
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return 0
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}
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testcase_megasas2_basic() {
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if ! "${QEMU_BIN:?}" -device help | grep 'name "megasas-gen2"'; then
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echo "megasas-gen2 device driver is not available, skipping test..."
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return 77
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fi
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local i
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local qemu_opts=(
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"-device megasas-gen2,id=scsi0"
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"-device megasas-gen2,id=scsi1"
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"-device megasas-gen2,id=scsi2"
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"-device megasas-gen2,id=scsi3"
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)
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for i in {0..127}; do
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# Add 128 drives, 32 per bus
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qemu_opts+=(
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"-device scsi-hd,drive=drive$i,bus=scsi$((i / 32)).0,channel=0,scsi-id=$((i % 32)),lun=0"
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"-drive format=raw,cache=unsafe,file=${TESTDIR:?}/disk$i.img,if=none,id=drive$i"
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)
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done
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KERNEL_APPEND="systemd.setenv=TEST_FUNCTION_NAME=${FUNCNAME[0]} ${USER_KERNEL_APPEND:-}"
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QEMU_OPTIONS="${qemu_opts[*]} ${USER_QEMU_OPTIONS:-}"
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test_run_one "${1:?}"
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}
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testcase_nvme_basic() {
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if ! "${QEMU_BIN:?}" -device help | grep 'name "nvme"'; then
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echo "nvme device driver is not available, skipping test..."
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return 77
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fi
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local i
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local qemu_opts=()
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for i in {0..27}; do
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qemu_opts+=(
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"-device nvme,drive=nvme$i,serial=deadbeef$i,num_queues=8"
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"-drive format=raw,cache=unsafe,file=${TESTDIR:?}/disk$i.img,if=none,id=nvme$i"
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)
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done
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KERNEL_APPEND="systemd.setenv=TEST_FUNCTION_NAME=${FUNCNAME[0]} ${USER_KERNEL_APPEND:-}"
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QEMU_OPTIONS="${qemu_opts[*]} ${USER_QEMU_OPTIONS:-}"
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test_run_one "${1:?}"
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}
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# Test for issue https://github.com/systemd/systemd/issues/20212
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testcase_virtio_scsi_identically_named_partitions() {
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if ! "${QEMU_BIN:?}" -device help | grep 'name "virtio-scsi-pci"'; then
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echo "virtio-scsi-pci device driver is not available, skipping test..."
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return 77
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fi
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# Create 16 disks, with 8 partitions per disk (all identically named)
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# and attach them to a virtio-scsi controller
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local qemu_opts=("-device virtio-scsi-pci,id=scsi0,num_queues=4")
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local diskpath="${TESTDIR:?}/namedpart0.img"
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local i lodev qemu_timeout
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dd if=/dev/zero of="$diskpath" bs=1M count=18
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lodev="$(losetup --show -f -P "$diskpath")"
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sfdisk "${lodev:?}" <<EOF
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label: gpt
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name="Hello world", size=2M
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name="Hello world", size=2M
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name="Hello world", size=2M
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name="Hello world", size=2M
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name="Hello world", size=2M
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name="Hello world", size=2M
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name="Hello world", size=2M
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name="Hello world", size=2M
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EOF
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losetup -d "$lodev"
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for i in {0..15}; do
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diskpath="${TESTDIR:?}/namedpart$i.img"
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if [[ $i -gt 0 ]]; then
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cp -uv "${TESTDIR:?}/namedpart0.img" "$diskpath"
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fi
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qemu_opts+=(
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"-device scsi-hd,drive=drive$i,bus=scsi0.0,channel=0,scsi-id=0,lun=$i"
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"-drive format=raw,cache=unsafe,file=$diskpath,if=none,id=drive$i"
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)
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done
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# Bump the timeout when collecting test coverage, since the test is a bit
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# slower in that case
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is_built_with_coverage && qemu_timeout=120 || qemu_timeout=60
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KERNEL_APPEND="systemd.setenv=TEST_FUNCTION_NAME=${FUNCNAME[0]} ${USER_KERNEL_APPEND:-}"
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# Limit the number of VCPUs and set a timeout to make sure we trigger the issue
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QEMU_OPTIONS="${qemu_opts[*]} ${USER_QEMU_OPTIONS:-}"
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QEMU_SMP=1 QEMU_TIMEOUT=$qemu_timeout test_run_one "${1:?}" || return $?
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rm -f "${TESTDIR:?}"/namedpart*.img
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}
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testcase_multipath_basic_failover() {
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if ! _host_has_feature "multipath"; then
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echo "Missing multipath tools, skipping the test..."
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return 77
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fi
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local qemu_opts=("-device virtio-scsi-pci,id=scsi")
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local partdisk="${TESTDIR:?}/multipathpartitioned.img"
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local image lodev nback ndisk wwn
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dd if=/dev/zero of="$partdisk" bs=1M count=16
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lodev="$(losetup --show -f -P "$partdisk")"
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sfdisk "${lodev:?}" <<EOF
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label: gpt
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name="first_partition", size=5M
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uuid="deadbeef-dead-dead-beef-000000000000", name="failover_part", size=5M
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EOF
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udevadm settle
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mkfs.ext4 -U "deadbeef-dead-dead-beef-111111111111" -L "failover_vol" "${lodev}p2"
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losetup -d "$lodev"
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# Add 64 multipath devices, each backed by 4 paths
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for ndisk in {0..63}; do
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wwn="0xDEADDEADBEEF$(printf "%.4d" "$ndisk")"
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# Use a partitioned disk for the first device to test failover
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[[ $ndisk -eq 0 ]] && image="$partdisk" || image="${TESTDIR:?}/disk$ndisk.img"
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for nback in {0..3}; do
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qemu_opts+=(
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"-device scsi-hd,drive=drive${ndisk}x${nback},serial=MPIO$ndisk,wwn=$wwn"
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"-drive format=raw,cache=unsafe,file=$image,file.locking=off,if=none,id=drive${ndisk}x${nback}"
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)
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done
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done
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KERNEL_APPEND="systemd.setenv=TEST_FUNCTION_NAME=${FUNCNAME[0]} ${USER_KERNEL_APPEND:-}"
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QEMU_OPTIONS="${qemu_opts[*]} ${USER_QEMU_OPTIONS:-}"
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test_run_one "${1:?}" || return $?
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rm -f "$partdisk"
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}
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# Test case for issue https://github.com/systemd/systemd/issues/19946
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testcase_simultaneous_events() {
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local qemu_opts=("-device virtio-scsi-pci,id=scsi")
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local partdisk="${TESTDIR:?}/simultaneousevents.img"
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dd if=/dev/zero of="$partdisk" bs=1M count=110
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qemu_opts+=(
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"-device scsi-hd,drive=drive1,serial=deadbeeftest"
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"-drive format=raw,cache=unsafe,file=$partdisk,if=none,id=drive1"
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)
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KERNEL_APPEND="systemd.setenv=TEST_FUNCTION_NAME=${FUNCNAME[0]} ${USER_KERNEL_APPEND:-}"
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QEMU_OPTIONS="${qemu_opts[*]} ${USER_QEMU_OPTIONS:-}"
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test_run_one "${1:?}" || return $?
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rm -f "$partdisk"
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}
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testcase_lvm_basic() {
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if ! _host_has_feature "lvm"; then
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echo "Missing lvm tools, skipping the test..."
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return 77
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fi
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local qemu_opts=("-device ahci,id=ahci0")
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local diskpath i
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# Attach 4 SATA disks to the VM (and set their model and serial fields
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# to something predictable, so we can refer to them later)
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for i in {0..3}; do
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diskpath="${TESTDIR:?}/lvmbasic${i}.img"
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dd if=/dev/zero of="$diskpath" bs=1M count=32
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qemu_opts+=(
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"-device ide-hd,bus=ahci0.$i,drive=drive$i,model=foobar,serial=deadbeeflvm$i"
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"-drive format=raw,cache=unsafe,file=$diskpath,if=none,id=drive$i"
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)
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done
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KERNEL_APPEND="systemd.setenv=TEST_FUNCTION_NAME=${FUNCNAME[0]} ${USER_KERNEL_APPEND:-}"
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QEMU_OPTIONS="${qemu_opts[*]} ${USER_QEMU_OPTIONS:-}"
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test_run_one "${1:?}" || return $?
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rm -f "${TESTDIR:?}"/lvmbasic*.img
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}
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testcase_btrfs_basic() {
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if ! _host_has_feature "btrfs"; then
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echo "Missing btrfs tools/modules, skipping the test..."
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return 77
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fi
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local qemu_opts=("-device ahci,id=ahci0")
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local diskpath i size
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for i in {0..3}; do
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diskpath="${TESTDIR:?}/btrfsbasic${i}.img"
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# Make the first disk larger for multi-partition tests
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[[ $i -eq 0 ]] && size=350 || size=128
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dd if=/dev/zero of="$diskpath" bs=1M count="$size"
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qemu_opts+=(
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"-device ide-hd,bus=ahci0.$i,drive=drive$i,model=foobar,serial=deadbeefbtrfs$i"
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"-drive format=raw,cache=unsafe,file=$diskpath,if=none,id=drive$i"
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)
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done
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KERNEL_APPEND="systemd.setenv=TEST_FUNCTION_NAME=${FUNCNAME[0]} ${USER_KERNEL_APPEND:-}"
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QEMU_OPTIONS="${qemu_opts[*]} ${USER_QEMU_OPTIONS:-}"
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test_run_one "${1:?}" || return $?
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rm -f "${TESTDIR:?}"/btrfsbasic*.img
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}
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testcase_iscsi_lvm() {
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if ! _host_has_feature "iscsi" || ! _host_has_feature "lvm"; then
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echo "Missing iSCSI client/server tools (Open-iSCSI/TGT) or LVM utilities, skipping the test..."
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return 77
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fi
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local qemu_opts=("-device ahci,id=ahci0")
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local diskpath i size
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for i in {0..3}; do
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diskpath="${TESTDIR:?}/iscsibasic${i}.img"
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# Make the first disk larger for multi-partition tests
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[[ $i -eq 0 ]] && size=150 || size=64
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# Make the first disk larger for multi-partition tests
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dd if=/dev/zero of="$diskpath" bs=1M count="$size"
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qemu_opts+=(
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"-device ide-hd,bus=ahci0.$i,drive=drive$i,model=foobar,serial=deadbeefiscsi$i"
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"-drive format=raw,cache=unsafe,file=$diskpath,if=none,id=drive$i"
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)
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done
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KERNEL_APPEND="systemd.setenv=TEST_FUNCTION_NAME=${FUNCNAME[0]} ${USER_KERNEL_APPEND:-}"
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QEMU_OPTIONS="${qemu_opts[*]} ${USER_QEMU_OPTIONS:-}"
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test_run_one "${1:?}" || return $?
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rm -f "${TESTDIR:?}"/iscsibasic*.img
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}
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testcase_long_sysfs_path() {
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local brid
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local testdisk="${TESTDIR:?}/longsysfspath.img"
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local qemu_opts=(
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"-drive if=none,id=drive0,format=raw,cache=unsafe,file=$testdisk"
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"-device pci-bridge,id=pci_bridge0,bus=pci.0,chassis_nr=64"
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)
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dd if=/dev/zero of="$testdisk" bs=1M count=64
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lodev="$(losetup --show -f -P "$testdisk")"
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sfdisk "${lodev:?}" <<EOF
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label: gpt
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name="test_swap", size=32M
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uuid="deadbeef-dead-dead-beef-000000000000", name="test_part", size=5M
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EOF
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udevadm settle
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mkswap -U "deadbeef-dead-dead-beef-111111111111" -L "swap_vol" "${lodev}p1"
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mkfs.ext4 -U "deadbeef-dead-dead-beef-222222222222" -L "data_vol" "${lodev}p2"
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losetup -d "$lodev"
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# Create 25 additional PCI bridges, each one connected to the previous one
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# (basically a really long extension cable), and attach a virtio drive to
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# the last one. This should force udev into attempting to create a device
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# unit with a _really_ long name.
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for brid in {1..25}; do
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qemu_opts+=("-device pci-bridge,id=pci_bridge$brid,bus=pci_bridge$((brid-1)),chassis_nr=$((64+brid))")
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done
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qemu_opts+=("-device virtio-blk-pci,drive=drive0,scsi=off,bus=pci_bridge$brid")
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KERNEL_APPEND="systemd.setenv=TEST_FUNCTION_NAME=${FUNCNAME[0]} ${USER_KERNEL_APPEND:-}"
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QEMU_OPTIONS="${qemu_opts[*]} ${USER_QEMU_OPTIONS:-}"
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test_run_one "${1:?}" || return $?
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rm -f "${testdisk:?}"
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}
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# Allow overriding which tests should be run from the "outside", useful for manual
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# testing (make -C test/... TESTCASES="testcase1 testcase2")
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if [[ -v "TESTCASES" && -n "$TESTCASES" ]]; then
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read -ra TESTCASES <<< "$TESTCASES"
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else
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# This must run after all functions were defined, otherwise `declare -F` won't
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# see them
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mapfile -t TESTCASES < <(declare -F | awk '$3 ~ /^testcase_/ {print $3;}')
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fi
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do_test "$@"
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