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2f397514ad
Otherwise they might leave stuff behind if they don't respond fast enough to the first SIGTERM and get SIGKILLEd, which then breaks reusing the unit name further in the test: [ 2993.620849] H testsuite-82.sh[43]: + systemd-run -p Type=exec -p DefaultDependencies=no -p IgnoreOnIsolate=yes --unit=testsuite-82-nosurvive.service sleep infinity [ 2993.628686] H systemd[1]: testsuite-82-nosurvive.service: About to execute: /usr/bin/sleep infinity [ 2993.628886] H systemd[1]: testsuite-82-nosurvive.service: Forked /usr/bin/sleep as 65 [ 2993.629328] H systemd[1]: testsuite-82-nosurvive.service: Changed dead -> start ... [ 2993.699892] H testsuite-82.sh[43]: + systemctl --no-block --check-inhibitors=yes soft-reboot [ 2993.704326] H systemd-logind[41]: The system will soft-reboot now! ... [ 3001.249302] H systemd[1]: Sending SIGKILL to PID 65 (sleep). ... [ 3001.303158] H testsuite-82.sh[136]: + systemd-notify '--status=Second Boot' ... [ 3001.409504] H testsuite-82.sh[136]: + systemd-run -p Type=exec --unit=testsuite-82-nosurvive.service sleep infinity [ 3001.414061] H testsuite-82.sh[165]: Failed to start transient service unit: Unit testsuite-82-nosurvive.service was already loaded or has a fragment file. Spotted in Ubuntu CI.
216 lines
8.7 KiB
Bash
Executable File
216 lines
8.7 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 -ex
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set -o pipefail
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at_exit() {
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# Since the soft-reboot drops the enqueued end.service, we won't shutdown
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# the test VM if the test fails and have to wait for the watchdog to kill
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# us (which may take quite a long time). Let's just forcibly kill the machine
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# instead to save CI resources.
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if [[ $? -ne 0 ]]; then
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echo >&2 "Test failed, shutting down the machine..."
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systemctl poweroff -ff
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fi
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}
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trap at_exit EXIT
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systemd-analyze log-level debug
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export SYSTEMD_LOG_LEVEL=debug
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if [ -f /run/testsuite82.touch3 ]; then
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echo "This is the fourth boot!"
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systemd-notify --status="Fourth Boot"
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rm /run/testsuite82.touch3
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mount
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rmdir /original-root /run/nextroot
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# Check that the fdstore entry still exists
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test "$LISTEN_FDS" -eq 3
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read -r x <&5
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test "$x" = "oinkoink"
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# Check that the surviving services are still around
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test "$(systemctl show -P ActiveState testsuite-82-survive.service)" = "active"
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test "$(systemctl show -P ActiveState testsuite-82-survive-argv.service)" = "active"
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test "$(systemctl show -P ActiveState testsuite-82-nosurvive-sigterm.service)" != "active"
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test "$(systemctl show -P ActiveState testsuite-82-nosurvive.service)" != "active"
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# All succeeded, exit cleanly now
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elif [ -f /run/testsuite82.touch2 ]; then
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echo "This is the third boot!"
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systemd-notify --status="Third Boot"
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rm /run/testsuite82.touch2
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# Check that the fdstore entry still exists
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test "$LISTEN_FDS" -eq 2
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read -r x <&4
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test "$x" = "miaumiau"
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# Upload another entry
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T="/dev/shm/fdstore.$RANDOM"
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echo "oinkoink" >"$T"
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systemd-notify --fd=3 --pid=parent 3<"$T"
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rm "$T"
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# Check that the surviving services are still around
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test "$(systemctl show -P ActiveState testsuite-82-survive.service)" = "active"
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test "$(systemctl show -P ActiveState testsuite-82-survive-argv.service)" = "active"
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test "$(systemctl show -P ActiveState testsuite-82-nosurvive-sigterm.service)" != "active"
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test "$(systemctl show -P ActiveState testsuite-82-nosurvive.service)" != "active"
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# Test that we really are in the new overlayfs root fs
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read -r x </lower
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test "$x" = "miep"
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cmp /etc/os-release /run/systemd/propagate/.os-release-stage/os-release
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grep -q MARKER=1 /etc/os-release
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# Switch back to the original root, away from the overlayfs
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mount --bind /original-root /run/nextroot
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mount
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# Restart the unit that is not supposed to survive
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systemd-run --collect --service-type=exec --unit=testsuite-82-nosurvive.service sleep infinity
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# Now issue the soft reboot. We should be right back soon.
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touch /run/testsuite82.touch3
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systemctl --no-block soft-reboot
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# Now block until the soft-boot killing spree kills us
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exec sleep infinity
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elif [ -f /run/testsuite82.touch ]; then
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echo "This is the second boot!"
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systemd-notify --status="Second Boot"
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# Clean up what we created earlier
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rm /run/testsuite82.touch
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# Check that the fdstore entry still exists
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test "$LISTEN_FDS" -eq 1
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read -r x <&3
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test "$x" = "wuffwuff"
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# Check that we got a PrepareForShutdownWithMetadata signal with the right type
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cat /run/testsuite82.signal
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test "$(jq -r '.payload.data[1].type.data' </run/testsuite82.signal)" = "soft-reboot"
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# Upload another entry
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T="/dev/shm/fdstore.$RANDOM"
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echo "miaumiau" >"$T"
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systemd-notify --fd=3 --pid=parent 3<"$T"
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rm "$T"
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# Check that the surviving services are still around
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test "$(systemctl show -P ActiveState testsuite-82-survive.service)" = "active"
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test "$(systemctl show -P ActiveState testsuite-82-survive-argv.service)" = "active"
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test "$(systemctl show -P ActiveState testsuite-82-nosurvive-sigterm.service)" != "active"
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test "$(systemctl show -P ActiveState testsuite-82-nosurvive.service)" != "active"
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# This time we test the /run/nextroot/ root switching logic. (We synthesize a new rootfs from the old via overlayfs)
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mkdir -p /run/nextroot /tmp/nextroot-lower /original-root
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mount -t tmpfs tmpfs /tmp/nextroot-lower
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echo miep >/tmp/nextroot-lower/lower
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# Copy os-release away, so that we can manipulate it and check that it is updated in the propagate
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# directory across soft reboots. Try to cover corner cases by truncating it.
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mkdir -p /tmp/nextroot-lower/usr/lib
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grep ID /etc/os-release >/tmp/nextroot-lower/usr/lib/os-release
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echo MARKER=1 >>/tmp/nextroot-lower/usr/lib/os-release
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cmp /etc/os-release /run/systemd/propagate/.os-release-stage/os-release
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(! grep -q MARKER=1 /etc/os-release)
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mount -t overlay nextroot /run/nextroot -o lowerdir=/tmp/nextroot-lower:/,ro
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# Bind our current root into the target so that we later can return to it
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mount --bind / /run/nextroot/original-root
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# Restart the unit that is not supposed to survive
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systemd-run --collect --service-type=exec --unit=testsuite-82-nosurvive.service sleep infinity
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# Now issue the soft reboot. We should be right back soon.
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touch /run/testsuite82.touch2
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systemctl --no-block soft-reboot
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# Now block until the soft-boot killing spree kills us
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exec sleep infinity
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else
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# This is the first boot
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systemd-notify --status="First Boot"
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# Let's upload an fd to the fdstore, so that we can verify fdstore passing works correctly
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T="/dev/shm/fdstore.$RANDOM"
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echo "wuffwuff" >"$T"
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systemd-notify --fd=3 --pid=parent 3<"$T"
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rm "$T"
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survive_sigterm="/dev/shm/survive-sigterm-$RANDOM.sh"
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cat >"$survive_sigterm" <<EOF
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#!/bin/bash
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trap "" TERM
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systemd-notify --ready
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rm "$survive_sigterm"
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exec sleep infinity
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EOF
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chmod +x "$survive_sigterm"
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survive_argv="/dev/shm/survive-argv-$RANDOM.sh"
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cat >"$survive_argv" <<EOF
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#!/bin/bash
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systemd-notify --ready
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rm "$survive_argv"
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exec -a @sleep sleep infinity
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EOF
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chmod +x "$survive_argv"
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# This sets DefaultDependencies=no so that they remain running until the very end, and
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# IgnoreOnIsolate=yes so that they aren't stopped via the "testsuite.target" isolation we do on next boot,
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# and will be killed by the final sigterm/sigkill spree.
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systemd-run --collect --service-type=notify -p DefaultDependencies=no -p IgnoreOnIsolate=yes --unit=testsuite-82-nosurvive-sigterm.service "$survive_sigterm"
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systemd-run --collect --service-type=exec -p DefaultDependencies=no -p IgnoreOnIsolate=yes --unit=testsuite-82-nosurvive.service sleep infinity
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# Configure these transient units to survive the soft reboot - they will not conflict with shutdown.target
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# and it will be ignored on the isolate that happens in the next boot. The first will use argv[0][0] =
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# '@', and the second will use SurviveFinalKillSignal=yes. Both should survive.
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systemd-run --service-type=notify --unit=testsuite-82-survive-argv.service \
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--property SurviveFinalKillSignal=no \
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--property IgnoreOnIsolate=yes \
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--property DefaultDependencies=no \
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--property After=basic.target \
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--property "Conflicts=reboot.target kexec.target poweroff.target halt.target emergency.target rescue.target" \
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--property "Before=reboot.target kexec.target poweroff.target halt.target emergency.target rescue.target" \
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"$survive_argv"
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systemd-run --service-type=exec --unit=testsuite-82-survive.service \
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--property SurviveFinalKillSignal=yes \
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--property IgnoreOnIsolate=yes \
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--property DefaultDependencies=no \
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--property After=basic.target \
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--property "Conflicts=reboot.target kexec.target poweroff.target halt.target emergency.target rescue.target" \
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--property "Before=reboot.target kexec.target poweroff.target halt.target emergency.target rescue.target" \
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sleep infinity
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# Check that we can set up an inhibitor, and that busctl monitor sees the
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# PrepareForShutdownWithMetadata signal and that it says 'soft-reboot'.
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systemd-run --unit busctl.service --service-type=exec --property StandardOutput=file:/run/testsuite82.signal \
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busctl monitor --json=pretty --match 'sender=org.freedesktop.login1,path=/org/freedesktop/login1,interface=org.freedesktop.login1.Manager,member=PrepareForShutdownWithMetadata,type=signal'
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systemd-run --unit inhibit.service --service-type=exec \
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systemd-inhibit --what=shutdown --who=test --why=test --mode=delay \
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sleep infinity
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# Now issue the soft reboot. We should be right back soon.
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touch /run/testsuite82.touch
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systemctl --no-block --check-inhibitors=yes soft-reboot
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# Now block until the soft-boot killing spree kills us
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exec sleep infinity
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fi
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systemd-analyze log-level info
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touch /testok
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systemctl --no-block poweroff
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