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