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test: introduce TEST-08-INITRD
And move the initrd related tests from TEST-01-BASIC there. Additionally, this should provide coverage for recemt 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 commit is contained in:
Frantisek Sumsal
parent
cb16b72e9c
commit
7294632c2c
@ -17,37 +17,13 @@ KERNEL_APPEND="foo -- -z bar --- baz $KERNEL_APPEND"
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. "${TEST_BASE_DIR:?}/test-functions"
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test_append_files() {
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# install tests manually so the test is functional even when -Dinstall-tests=false
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local dst="${1:?}/usr/lib/systemd/tests/testdata/units/"
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local workspace="${1:?}"
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local dst
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# Install tests manually so the test is functional even when -Dinstall-tests=false
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dst="$workspace/usr/lib/systemd/tests/testdata/units/"
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mkdir -p "$dst"
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cp -v "$TEST_UNITS_DIR"/{testsuite-01,end}.service "$TEST_UNITS_DIR/testsuite.target" "$dst"
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}
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# Setup a one shot service in initrd that creates a dummy bind mount under /run
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# to check if the mount persists though the initrd transition. The "check" part
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# is in the respective testsuite-01.sh script.
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#
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# See: https://github.com/systemd/systemd/issues/28452
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run_qemu_hook() {
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local extra="$WORKDIR/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=sh -xec "mkdir /run/initrd-mount-source /run/initrd-mount-target; mount -v --bind /run/initrd-mount-source /run/initrd-mount-target"
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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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1
test/TEST-08-INITRD/Makefile
Symbolic link
1
test/TEST-08-INITRD/Makefile
Symbolic link
@ -0,0 +1 @@
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../TEST-01-BASIC/Makefile
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101
test/TEST-08-INITRD/test.sh
Executable file
101
test/TEST-08-INITRD/test.sh
Executable file
@ -0,0 +1,101 @@
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#!/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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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 sd_initrd file dir
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# Create a shutdown initrd
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#
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# This should provide coverage for shutdown initrd 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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sd_initrd="$workspace/shutdown-initrd"
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mkdir -p "$sd_initrd/etc" "$sd_initrd/usr"
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initdir="$sd_initrd" image_install bash /usr/lib/os-release
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ln -srf "$sd_initrd/usr/lib/os-release" "$sd_initrd/etc/initrd-release"
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initdir="$sd_initrd" inst_binary "$workspace/usr/lib/systemd/systemd-shutdown" "/usr/lib/systemd/systemd-shutdown"
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initdir="$sd_initrd" inst_libs "$sd_initrd/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="$sd_initrd" inst_library "$file" "${file##"$workspace"}"
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initdir="$sd_initrd" inst_libs "$file"
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done < <(find "$workspace/usr/" -name "libsystemd*.so*")
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# Call systemd-shutdown indirectly, so we can show a message that we can check for
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# later to make sure the shutdown initrd was actually executed
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cat >"$sd_initrd/shutdown" <<\EOF
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#!/usr/bin/bash -eu
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echo "Hello from shutdown initrd"
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exec /usr/lib/systemd/systemd-shutdown "$@"
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EOF
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chmod +x "$sd_initrd/shutdown"
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}
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check_result_qemu_hook() {
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local console_log="${TESTDIR:?}/console.log"
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if [[ ! -e "$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 shutdown initrd"
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return 1
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fi
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# Check if the shutdown initrd was executed at all
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if ! grep -qE "^Hello from shutdown initrd\s*$" "$console_log"; then
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derror "Missing 'hello' message from shutdown initrd"
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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 testsuite-08.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 "$@"
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@ -19,11 +19,6 @@ if systemd-detect-virt -q --container; then
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test ! -e /run/systemd/container
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cp -afv /tmp/container /run/systemd/container
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else
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# We should've created a mount under /run in initrd (see the other half of the test)
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# that should've survived the transition from initrd to the real system
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test -d /run/initrd-mount-target
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mountpoint /run/initrd-mount-target
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# We bring the loopback netdev up only during a full setup, so it should
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# not get brought back up during reexec if we disable it beforehand
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[[ "$(ip -o link show lo)" =~ LOOPBACK,UP ]]
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9
test/units/testsuite-08.service
Normal file
9
test/units/testsuite-08.service
Normal file
@ -0,0 +1,9 @@
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# SPDX-License-Identifier: LGPL-2.1-or-later
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[Unit]
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Description=TEST-08-INITRD
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After=multi-user.target
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[Service]
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ExecStartPre=rm -f /failed /testok
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ExecStart=/usr/lib/systemd/tests/testdata/units/%N.sh
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Type=oneshot
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22
test/units/testsuite-08.sh
Executable file
22
test/units/testsuite-08.sh
Executable file
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#!/usr/bin/env bash
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# SPDX-License-Identifier: LGPL-2.1-or-later
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set -eux
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set -o pipefail
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if systemd-detect-virt -qc; then
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echo >&2 "This test can't run in a container"
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exit 1
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fi
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# We should've created a mount under /run in initrd (see the other half of the test)
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# that should've survived the transition from initrd to the real system
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test -d /run/initrd-mount-target
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mountpoint /run/initrd-mount-target
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[[ -e /run/initrd-mount-target/hello-world ]]
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# Copy the prepared shutdown initrd to its intended location. Check the respective
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# test.sh file for details
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mkdir -p /run/initramfs
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cp -r /shutdown-initrd/* /run/initramfs/
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touch /testok
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