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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -e
TEST_DESCRIPTION="Test various scenarios involving transition from/to initrd"
# Note: for debugging systemd.journald.max_level_console=debug might come in handy
# as well, but it's not used here since it's _very_ noisy and slows the test
# down a lot
KERNEL_APPEND="${KERNEL_APPEND:-} systemd.journald.forward_to_console=1"
TEST_NO_NSPAWN=1
# shellcheck source=test/test-functions
. "${TEST_BASE_DIR:?}/test-functions"
test_append_files() {
local workspace="${1:?}"
local sd_initrd file dir
# Create a shutdown initrd
#
# This should provide coverage for shutdown initrd related issues, see:
# - https://github.com/systemd/systemd/issues/28645
# - https://github.com/systemd/systemd/pull/28648
# - https://github.com/systemd/systemd/pull/28793
#
# This is a bit messier than I originally anticipated, as installing our own libraries
# is handled implicitly by install_systemd() which I don't want to use here, since
# I need only the systemd-shutdown binary
sd_initrd="$workspace/shutdown-initrd"
mkdir -p "$sd_initrd/etc" "$sd_initrd/usr"
initdir="$sd_initrd" image_install bash /usr/lib/os-release
ln -srf "$sd_initrd/usr/lib/os-release" "$sd_initrd/etc/initrd-release"
initdir="$sd_initrd" inst_binary "$workspace/usr/lib/systemd/systemd-shutdown" "/usr/lib/systemd/systemd-shutdown"
initdir="$sd_initrd" inst_libs "$sd_initrd/usr/lib/systemd/systemd-shutdown"
# We need to deal with libsystemd stuff explicitly, as we don't call install_systemd() here
while read -r file; do
initdir="$sd_initrd" inst_library "$file" "${file##"$workspace"}"
initdir="$sd_initrd" inst_libs "$file"
done < <(find "$workspace/usr/" -name "libsystemd*.so*")
# Call systemd-shutdown indirectly, so we can show a message that we can check for
# later to make sure the shutdown initrd was actually executed
cat >"$sd_initrd/shutdown" <<\EOF
#!/usr/bin/bash -eu
echo "Hello from shutdown initrd"
exec /usr/lib/systemd/systemd-shutdown "$@"
EOF
chmod +x "$sd_initrd/shutdown"
}
check_result_qemu_hook() {
local workspace="${1:?}"
local console_log="${TESTDIR:?}/console.log"
if [[ -e "$workspace/skipped" ]]; then
return 0
fi
if [[ ! -e "$console_log" ]]; then
dfatal "Missing console log - this shouldn't happen"
return 1
fi
# The console log should not contain messages like:
# [ 6.245000] systemd-shutdown[1]: Failed to move /run/initramfs to /: Invalid argument
# [ 6.245955] systemd-shutdown[1]: Failed to switch root to "/run/initramfs": Invalid argument
if grep -qE "systemd-shutdown.+: Failed to move /run/initramfs" "$console_log" ||
grep -qE "systemd-shutdown.+: Failed to switch root" "$console_log"; then
derror "sd-shutdown failed to switch root in shutdown initrd"
return 1
fi
# Check if the shutdown initrd was executed at all
if ! grep -q "Hello from shutdown initrd" "$console_log"; then
derror "Missing 'hello' message from shutdown initrd"
return 1
fi
return 0
}
# Setup a one shot service in initrd that creates a dummy bind mount under /run
# to check if the mount persists though the initrd transition. The "check" part
# is in the respective TEST-08-INITRD.sh script.
#
# See: https://github.com/systemd/systemd/issues/28452
run_qemu_hook() {
local extra="${TESTDIR:?}/initrd.extra"
mkdir -m 755 "$extra"
mkdir -m 755 "$extra/etc" "$extra/etc/systemd" "$extra/etc/systemd/system" "$extra/etc/systemd/system/initrd.target.wants"
cat >"$extra/etc/systemd/system/initrd-run-mount.service" <<EOF
[Unit]
Description=Create a mount in /run that should survive the transition from initrd
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=mkdir /run/initrd-mount-source /run/initrd-mount-target
ExecStart=mount -v --bind /run/initrd-mount-source /run/initrd-mount-target
ExecStart=cp -v /etc/initrd-release /run/initrd-mount-target/hello-world
EOF
ln -svrf "$extra/etc/systemd/system/initrd-run-mount.service" "$extra/etc/systemd/system/initrd.target.wants/initrd-run-mount.service"
(cd "$extra" && find . | cpio -o -H newc -R root:root > "$extra.cpio")
INITRD_EXTRA="$extra.cpio"
}
do_test "$@"
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