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-rwxr-xr-xtest/units/testsuite-82.sh223
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diff --git a/test/units/testsuite-82.sh b/test/units/testsuite-82.sh
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+#!/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 [[ $? -ne 0 ]]; then
+ echo >&2 "Test failed, shutting down the machine..."
+ systemctl poweroff -ff
+ fi
+}
+
+trap at_exit EXIT
+
+systemd-analyze log-level debug
+
+export SYSTEMD_LOG_LEVEL=debug
+
+if [ -f /run/testsuite82.touch3 ]; then
+ echo "This is the fourth boot!"
+ systemd-notify --status="Fourth Boot"
+
+ rm /run/testsuite82.touch3
+ mount
+ rmdir /original-root /run/nextroot
+
+ # Check that the fdstore entry still exists
+ test "$LISTEN_FDS" -eq 3
+ read -r x <&5
+ test "$x" = "oinkoink"
+
+ # Check that the surviving services are still around
+ test "$(systemctl show -P ActiveState testsuite-82-survive.service)" = "active"
+ test "$(systemctl show -P ActiveState testsuite-82-survive-argv.service)" = "active"
+ test "$(systemctl show -P ActiveState testsuite-82-nosurvive-sigterm.service)" != "active"
+ test "$(systemctl show -P ActiveState testsuite-82-nosurvive.service)" != "active"
+
+ # Check journals
+ journalctl -o short-monotonic --no-hostname --grep '(will soft-reboot|KILL|corrupt)'
+ assert_eq "$(journalctl -q -o short-monotonic -u systemd-journald.service --grep 'corrupt')" ""
+
+ # All succeeded, exit cleanly now
+
+elif [ -f /run/testsuite82.touch2 ]; then
+ echo "This is the third boot!"
+ systemd-notify --status="Third Boot"
+
+ rm /run/testsuite82.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 "$(systemctl show -P ActiveState testsuite-82-survive.service)" = "active"
+ test "$(systemctl show -P ActiveState testsuite-82-survive-argv.service)" = "active"
+ test "$(systemctl show -P ActiveState testsuite-82-nosurvive-sigterm.service)" != "active"
+ test "$(systemctl show -P ActiveState testsuite-82-nosurvive.service)" != "active"
+
+ # Test that we really are in the new overlayfs root fs
+ read -r x </lower
+ test "$x" = "miep"
+ cmp /etc/os-release /run/systemd/propagate/.os-release-stage/os-release
+ grep -q MARKER=1 /etc/os-release
+
+ # Switch back to the original root, away from the overlayfs
+ mount --bind /original-root /run/nextroot
+ mount
+
+ # Restart the unit that is not supposed to survive
+ systemd-run --collect --service-type=exec --unit=testsuite-82-nosurvive.service sleep infinity
+
+ # Now issue the soft reboot. We should be right back soon.
+ touch /run/testsuite82.touch3
+ systemctl --no-block soft-reboot
+
+ # Now block until the soft-boot killing spree kills us
+ exec sleep infinity
+
+elif [ -f /run/testsuite82.touch ]; then
+ echo "This is the second boot!"
+ systemd-notify --status="Second Boot"
+
+ # Clean up what we created earlier
+ rm /run/testsuite82.touch
+
+ # Check that the fdstore entry still exists
+ test "$LISTEN_FDS" -eq 1
+ read -r x <&3
+ test "$x" = "wuffwuff"
+
+ # Check that we got a PrepareForShutdownWithMetadata signal with the right type
+ cat /run/testsuite82.signal
+ test "$(jq -r '.payload.data[1].type.data' </run/testsuite82.signal)" = "soft-reboot"
+
+ # Upload another entry
+ T="/dev/shm/fdstore.$RANDOM"
+ echo "miaumiau" >"$T"
+ systemd-notify --fd=3 --pid=parent 3<"$T"
+ rm "$T"
+
+ # Check that the surviving services are still around
+ test "$(systemctl show -P ActiveState testsuite-82-survive.service)" = "active"
+ test "$(systemctl show -P ActiveState testsuite-82-survive-argv.service)" = "active"
+ test "$(systemctl show -P ActiveState testsuite-82-nosurvive-sigterm.service)" != "active"
+ test "$(systemctl show -P ActiveState testsuite-82-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=testsuite-82-nosurvive.service sleep infinity
+
+ # 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/testsuite82.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"
+
+ # 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" <<EOF
+#!/bin/bash
+trap "" TERM
+systemd-notify --ready
+rm "$survive_sigterm"
+exec sleep infinity
+EOF
+ chmod +x "$survive_sigterm"
+
+ survive_argv="/dev/shm/survive-argv-$RANDOM.sh"
+ cat >"$survive_argv" <<EOF
+#!/bin/bash
+systemd-notify --ready
+rm "$survive_argv"
+exec -a @sleep sleep infinity
+EOF
+ chmod +x "$survive_argv"
+ # This sets DefaultDependencies=no so that they remain running until the very end, and
+ # IgnoreOnIsolate=yes so that they aren't stopped via the "testsuite.target" isolation we do on next boot,
+ # and will be killed by the final sigterm/sigkill spree.
+ systemd-run --collect --service-type=notify -p DefaultDependencies=no -p IgnoreOnIsolate=yes --unit=testsuite-82-nosurvive-sigterm.service "$survive_sigterm"
+ systemd-run --collect --service-type=exec -p DefaultDependencies=no -p IgnoreOnIsolate=yes --unit=testsuite-82-nosurvive.service sleep infinity
+
+ # Configure these transient units to survive the soft reboot - they will not conflict with shutdown.target
+ # and it will be ignored on the isolate that happens in the next boot. The first will use argv[0][0] =
+ # '@', and the second will use SurviveFinalKillSignal=yes. Both should survive.
+ systemd-run --service-type=notify --unit=testsuite-82-survive-argv.service \
+ --property SurviveFinalKillSignal=no \
+ --property IgnoreOnIsolate=yes \
+ --property DefaultDependencies=no \
+ --property After=basic.target \
+ --property "Conflicts=reboot.target kexec.target poweroff.target halt.target emergency.target rescue.target" \
+ --property "Before=reboot.target kexec.target poweroff.target halt.target emergency.target rescue.target" \
+ "$survive_argv"
+ systemd-run --service-type=exec --unit=testsuite-82-survive.service \
+ --property SurviveFinalKillSignal=yes \
+ --property IgnoreOnIsolate=yes \
+ --property DefaultDependencies=no \
+ --property After=basic.target \
+ --property "Conflicts=reboot.target kexec.target poweroff.target halt.target emergency.target rescue.target" \
+ --property "Before=reboot.target kexec.target poweroff.target halt.target emergency.target rescue.target" \
+ sleep infinity
+
+ # Check that we can set up an inhibitor, and that busctl monitor sees the
+ # PrepareForShutdownWithMetadata signal and that it says 'soft-reboot'.
+ systemd-run --unit busctl.service --service-type=exec --property StandardOutput=file:/run/testsuite82.signal \
+ busctl monitor --json=pretty --match 'sender=org.freedesktop.login1,path=/org/freedesktop/login1,interface=org.freedesktop.login1.Manager,member=PrepareForShutdownWithMetadata,type=signal'
+ systemd-run --unit inhibit.service --service-type=exec \
+ systemd-inhibit --what=shutdown --who=test --why=test --mode=delay \
+ sleep infinity
+
+ # Now issue the soft reboot. We should be right back soon.
+ touch /run/testsuite82.touch
+ systemctl --no-block --check-inhibitors=yes soft-reboot
+
+ # Now block until the soft-boot killing spree kills us
+ exec sleep infinity
+fi
+
+systemd-analyze log-level info
+
+touch /testok
+systemctl --no-block poweroff