ekklesiaandClaude Opus 5
f7d5aecd6c
Building the package found two things reading the tree did not. dpkg refused it outright: plasma-workspace already owns /etc/xdg/plasmanotifyrc and friends, and two packages cannot own one path. The room's settings move to a directory of their own with /etc/environment.d putting it in front of /etc/xdg, which is KConfig's own cascade rather than a file fight. The postinst then failed on a chmod for a command that no longer exists. It now walks what the package installed instead of naming files, removes the login shell that used to start sway on tty1, and enables SDDM and the audio service. Verified by installing the built package on a fresh machine and starting the session from it: restrictions in force, palette applied, audio service enabled and running, panel supervision unconditional. Co-Authored-By: Claude Opus 5 <[email protected]>
118 lines
5.1 KiB
Bash
Executable File
118 lines
5.1 KiB
Bash
Executable File
#!/bin/bash
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set -e
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if ! id classroom >/dev/null 2>&1; then
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adduser \
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--disabled-password \
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--gecos "" \
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classroom
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fi
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# The session is started by SDDM now. An upgrade from a sway-era room has
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# to remove the login shell that used to start it, or the machine has two
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# things trying to own tty1.
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rm -f /home/classroom/.bash_profile
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rm -f /etc/systemd/system/[email protected]/autologin.conf
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rmdir --ignore-fail-on-non-empty \
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/etc/systemd/system/[email protected] 2>/dev/null || true
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# Commands the room's own parts install. Listing them by name went wrong
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# once already, when a command that had been removed was still chmod'ed
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# here and the whole postinst failed; the package is the list.
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for command in /usr/local/bin/classroom-*; do
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[ -e "$command" ] || continue
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chmod 0755 "$command"
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done
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# Reading the optical drive needs group cdrom. Takes effect at the next
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# login, which the OTA reboot provides.
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if getent group cdrom >/dev/null 2>&1; then
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adduser classroom cdrom >/dev/null 2>&1 || true
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fi
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# Create device.conf on a new endpoint, or append only settings an older
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# endpoint does not yet know. The helper preserves every existing byte apart
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# from the append, so per-room choices always survive an upgrade.
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PYTHONPATH=/usr/local/lib/ekklesia-classroom python3 - <<'PY'
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from classroom_config import ensure_device_config
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ensure_device_config()
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PY
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# The broker password lives here, so the file stops being world readable.
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# Everything that reads it runs as root or as the classroom user.
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chown root:classroom /etc/ekklesia-classroom/device.conf 2>/dev/null || true
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chmod 0640 /etc/ekklesia-classroom/device.conf
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systemctl daemon-reload || true
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# Autologin into the classroom, and back into it if the session ever ends.
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systemctl enable sddm.service >/dev/null 2>&1 || true
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# The room's own user services: the audio policy, and the drop-in that stops
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# Plasma giving up on a repeatedly crashing panel.
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systemctl --global enable ekklesia-classroom-audio.service >/dev/null 2>&1 || true
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# NetworkManager ships nmtui and deliberately leaves interfaces declared in
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# /etc/network/interfaces under ifupdown's control (managed=false). This gives
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# administrators saved, auto-reconnecting Wi-Fi without taking over an
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# existing static Ethernet setup. No classroom service needs to hold boot for
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# NetworkManager's online wait, so keep that waiter disabled.
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systemctl enable NetworkManager.service || true
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systemctl disable NetworkManager-wait-online.service || true
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systemctl start NetworkManager.service || true
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# CUPS is ready at boot, but no queue is created until an administrator runs
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# classroom-printer-setup. cups-browsed is unnecessary here and would expose
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# every advertised printer on the church network if installed independently.
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systemctl enable cups.socket cups.service || true
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systemctl disable --now cups-browsed.service || true
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# Direct DNS-SD destinations still appear through Avahi even when
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# cups-browsed is inactive. Nothing else in this appliance uses Avahi, so stop
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# both activation paths and keep unrelated church printers out of print lists.
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systemctl disable --now avahi-daemon.socket avahi-daemon.service || true
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systemctl mask avahi-daemon.socket avahi-daemon.service || true
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systemctl start cups.socket || true
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systemctl enable ekklesia-classroom-update.timer || true
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systemctl start ekklesia-classroom-update.timer || true
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# Google Chrome, and the DVD codecs when the room has a drive, are
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# fetched by the provisioning service at the next boot.
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#
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# Deliberately enabled but not started here. It cannot run during this
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# script anyway, because dpkg holds the apt lock throughout. Starting it
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# straight afterwards would race the reboot that an OTA update performs
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# the moment this install finishes, and an apt run killed by that reboot
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# leaves dpkg half-configured. Every OTA reboots, so waiting for the next
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# boot costs nothing and cannot corrupt anything.
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#
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# Provisioning is still enabled at boot so machines that were offline or
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# interrupted get another chance automatically.
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systemctl enable ekklesia-classroom-provision.service || true
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# Also schedule provisioning after this package installation completes.
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# Do not start it synchronously from postinst: dpkg/apt still owns its locks.
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# A short delayed systemd job lets the outer apt transaction finish first.
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#
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# If an OTA reboot happens before this fires, the normal enabled boot service
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# handles provisioning on the next boot instead.
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systemd-run \
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--unit=ekklesia-classroom-provision-after-install \
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--on-active=15s \
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--property=Type=oneshot \
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/bin/systemctl start ekklesia-classroom-provision.service \
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>/dev/null 2>&1 || true
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# Gives Chrome a chance to close properly on reboot, so its profile is
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# not marked as crashed. Best effort: it must never hold a shutdown up.
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systemctl enable ekklesia-classroom-shutdown.service || true
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# The room's link to the church broker. Enabled always; it does nothing
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# at all until a broker is configured in device.conf.
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systemctl enable ekklesia-classroom-mqtt.service || true
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systemctl restart ekklesia-classroom-mqtt.service || true
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systemctl start ekklesia-classroom-shutdown.service || true
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exit 0
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