From efeb864cb547a2cbf96dc0053a8bdb4d9190b364 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 12 Jun 2024 05:50:45 +0200 Subject: Merging upstream version 256. Signed-off-by: Daniel Baumann --- test/units/TEST-82-SOFTREBOOT.sh | 268 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 268 insertions(+) create mode 100755 test/units/TEST-82-SOFTREBOOT.sh (limited to 'test/units/TEST-82-SOFTREBOOT.sh') diff --git a/test/units/TEST-82-SOFTREBOOT.sh b/test/units/TEST-82-SOFTREBOOT.sh new file mode 100755 index 0000000..f86bc92 --- /dev/null +++ b/test/units/TEST-82-SOFTREBOOT.sh @@ -0,0 +1,268 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: LGPL-2.1-or-later +set -ex +set -o pipefail + +# shellcheck source=test/units/util.sh +. "$(dirname "$0")"/util.sh + +at_exit() { + # Since the soft-reboot drops the enqueued end.service, we won't shutdown + # the test VM if the test fails and have to wait for the watchdog to kill + # us (which may take quite a long time). Let's just forcibly kill the machine + # instead to save CI resources. + if [[ $? -ne 0 ]]; then + echo >&2 "Test failed, shutting down the machine..." + systemctl poweroff -ff + fi +} + +trap at_exit EXIT + +systemd-analyze log-level debug + +export SYSTEMD_LOG_LEVEL=debug + +if [ -f /run/TEST-82-SOFTREBOOT.touch3 ]; then + echo "This is the fourth boot!" + systemd-notify --status="Fourth Boot" + + test "$(busctl -j get-property org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager SoftRebootsCount | jq -r '.data')" -eq 3 + + rm /run/TEST-82-SOFTREBOOT.touch3 + mount + rmdir /original-root /run/nextroot + + # Check that the fdstore entry still exists + test "$LISTEN_FDS" -eq 3 + read -r x <&5 + test "$x" = "oinkoink" + + # Check that the surviving services are still around + test "$(systemctl show -P ActiveState TEST-82-SOFTREBOOT-survive.service)" = "active" + test "$(systemctl show -P ActiveState TEST-82-SOFTREBOOT-survive-argv.service)" = "active" + test "$(systemctl show -P ActiveState TEST-82-SOFTREBOOT-nosurvive-sigterm.service)" != "active" + test "$(systemctl show -P ActiveState TEST-82-SOFTREBOOT-nosurvive.service)" != "active" + + [[ ! -e /run/credentials/TEST-82-SOFTREBOOT-nosurvive.service ]] + assert_eq "$(cat /run/credentials/TEST-82-SOFTREBOOT-survive-argv.service/preserve)" "yay" + + # There may be huge amount of pending messages in sockets. Processing them may cause journal rotation and + # removal of old archived journal files. If a journal file is removed during journalctl reading it, + # the command may fail. To mitigate such, sync before reading journals. Workaround for #32834. + journalctl --sync + # Check journals + journalctl -o short-monotonic --no-hostname --grep '(will soft-reboot|KILL|corrupt)' + assert_eq "$(journalctl -q -o short-monotonic -u systemd-journald.service --grep 'corrupt')" "" + + # All succeeded, exit cleanly now + +elif [ -f /run/TEST-82-SOFTREBOOT.touch2 ]; then + echo "This is the third boot!" + systemd-notify --status="Third Boot" + + test "$(busctl -j get-property org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager SoftRebootsCount | jq -r '.data')" -eq 2 + + rm /run/TEST-82-SOFTREBOOT.touch2 + + # Check that the fdstore entry still exists + test "$LISTEN_FDS" -eq 2 + read -r x <&4 + test "$x" = "miaumiau" + + # Upload another entry + T="/dev/shm/fdstore.$RANDOM" + echo "oinkoink" >"$T" + systemd-notify --fd=3 --pid=parent 3<"$T" + rm "$T" + + # Check that the surviving services are still around + test "$(systemctl show -P ActiveState TEST-82-SOFTREBOOT-survive.service)" = "active" + test "$(systemctl show -P ActiveState TEST-82-SOFTREBOOT-survive-argv.service)" = "active" + test "$(systemctl show -P ActiveState TEST-82-SOFTREBOOT-nosurvive-sigterm.service)" != "active" + test "$(systemctl show -P ActiveState TEST-82-SOFTREBOOT-nosurvive.service)" != "active" + + # Test that we really are in the new overlayfs root fs + read -r x "$T" + systemd-notify --fd=3 --pid=parent 3<"$T" + rm "$T" + + # Check that the surviving services are still around + test "$(systemctl show -P ActiveState TEST-82-SOFTREBOOT-survive.service)" = "active" + test "$(systemctl show -P ActiveState TEST-82-SOFTREBOOT-survive-argv.service)" = "active" + test "$(systemctl show -P ActiveState TEST-82-SOFTREBOOT-nosurvive-sigterm.service)" != "active" + test "$(systemctl show -P ActiveState TEST-82-SOFTREBOOT-nosurvive.service)" != "active" + + # This time we test the /run/nextroot/ root switching logic. (We synthesize a new rootfs from the old via overlayfs) + mkdir -p /run/nextroot /tmp/nextroot-lower /original-root + mount -t tmpfs tmpfs /tmp/nextroot-lower + echo miep >/tmp/nextroot-lower/lower + + # Copy os-release away, so that we can manipulate it and check that it is updated in the propagate + # directory across soft reboots. Try to cover corner cases by truncating it. + mkdir -p /tmp/nextroot-lower/usr/lib + grep ID /etc/os-release >/tmp/nextroot-lower/usr/lib/os-release + echo MARKER=1 >>/tmp/nextroot-lower/usr/lib/os-release + cmp /etc/os-release /run/systemd/propagate/.os-release-stage/os-release + (! grep -q MARKER=1 /etc/os-release) + + mount -t overlay nextroot /run/nextroot -o lowerdir=/tmp/nextroot-lower:/,ro + + # Bind our current root into the target so that we later can return to it + mount --bind / /run/nextroot/original-root + + # Restart the unit that is not supposed to survive + systemd-run --collect --service-type=exec --unit=TEST-82-SOFTREBOOT-nosurvive.service sleep infinity + + # Now ensure there are no naming clashes and a bunch of transient units all succeed + for _ in $(seq 1 25); do + systemd-run --wait true + done + + # Now issue the soft reboot. We should be right back soon. Given /run/nextroot exists, we should + # automatically do a softreboot instead of normal reboot. + touch /run/TEST-82-SOFTREBOOT.touch2 + systemctl --no-block reboot + + # Now block until the soft-boot killing spree kills us + exec sleep infinity +else + # This is the first boot + systemd-notify --status="First Boot" + + test "$(busctl -j get-property org.freedesktop.systemd1 /org/freedesktop/systemd1 org.freedesktop.systemd1.Manager SoftRebootsCount | jq -r '.data')" -eq 0 + + # Let's upload an fd to the fdstore, so that we can verify fdstore passing works correctly + T="/dev/shm/fdstore.$RANDOM" + echo "wuffwuff" >"$T" + systemd-notify --fd=3 --pid=parent 3<"$T" + rm "$T" + + survive_sigterm="/dev/shm/survive-sigterm-$RANDOM.sh" + cat >"$survive_sigterm" <"$survive_argv" <