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fix: an update reboots the computer only once nobody is using it

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The update check has been daily at 03:00, Persistent, since 0.1.5 — the
lab's installed stable machine logged it at 03:01 and 03:04 on successive
days — and it stays so. What changes is the reboot after an update. It
happened the moment the update was installed: harmless at 03:00, and a
room restarting itself mid-morning when a computer switched off at 03:00
caught up after being switched on.

Now the updater installs, with every check it had (the device's own
channel, a newer version, the manifest's SHA-256, name and version), and
starts classroom-reboot-when-idle, which reboots once no input device has
produced an event for 30 minutes and no sound card has played for as
long. At 03:00 that is about 03:30; switched off first, the next start is
on the new version. The service has no [Install] and nothing enables it.

The release gate checks after every install and upgrade that the timer is
enabled, daily at 03:00, Persistent, with no boot or repeat trigger and
no drop-in, and that the updater no longer reboots by itself.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
This commit is contained in:
ekklesia
2026-09-26 22:56:08 -05:00
co-authored by Claude Opus 5.5
parent 23194a085c
commit 3c40e849ea
7 changed files with 384 additions and 4 deletions
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tools/validate-trixie-release.sh
+14
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@@ -145,6 +145,20 @@ systemctl is-enabled NetworkManager.service >/dev/null
systemctl is-enabled cups.service >/dev/null
! systemctl is-enabled NetworkManager-wait-online.service >/dev/null 2>&1
# The update check: daily at 03:00, caught up after a night switched off,
# and still so after this install or upgrade. The reboot after an update
# waits until nobody is using the computer, in a unit nothing enables.
systemctl is-enabled ekklesia-classroom-update.timer >/dev/null
timer=/etc/systemd/system/ekklesia-classroom-update.timer
grep -qx 'OnCalendar=\*-\*-\* 03:00:00' "$timer"
grep -qx 'Persistent=true' "$timer"
! grep -qE '^(OnBootSec|OnStartupSec|OnUnitActiveSec|OnUnitInactiveSec|OnActiveSec)=' "$timer"
! ls /etc/systemd/system/ekklesia-classroom-update.timer.d/*.conf >/dev/null 2>&1
test -x /usr/local/bin/classroom-reboot-when-idle
[[ "$(systemctl is-enabled ekklesia-classroom-reboot-when-idle.service 2>/dev/null || true)" == "static" ]]
! grep -q '"systemctl", "reboot"' /usr/local/bin/ekklesia-classroom-update
grep -q 'ekklesia-classroom-reboot-when-idle.service' /usr/local/bin/ekklesia-classroom-update
# The audio policy reaches a session, and is ordered after the server it
# actually talks to. Ordering it only after pipewire and wireplumber is
# what let it race PipeWire's PulseAudio server at boot, fail its one