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gps: modem GNSS -> gpsd -> OwnTracks/MQTT publisher

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EC25-AF GNSS wiring (udev hotplug into gpsd) plus van-gps-owntracks, a
port of the wayback-era gps_to_owntracks.py: apt-only deps (python3-gps
instead of pip-only gpsdclient, paho 2.x callback API), broker secrets
moved out of the code into /etc/van-gps/config.json (0600, seeded from
a sanitized example), gpsd host now localhost. client_id is vanq-wan —
a legacy client still holds vanq on the broker and shared IDs get
kicked in a connect/disconnect loop. Exit-on-disconnect + systemd
Restart=always is the reconnect logic.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Andreas Wrede
2026-07-14 22:03:40 -04:00
co-authored by Claude Fable 5
parent d2a2b19b85
commit 8d5415f326
7 changed files with 261 additions and 1 deletions
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deploy.sh
+21 -1
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@@ -71,6 +71,25 @@ install -D -m0644 cockpit/cockpit-session-nofile.conf /etc/systemd/system/cockpi
command -v grpcurl >/dev/null 2>&1 \
|| echo " -> grpcurl missing (Starlink card will say so): install linux_arm64 binary from github.com/fullstorydev/grpcurl/releases"
echo "== gps (cellular modem GNSS -> gpsd) =="
if dpkg -s gpsd >/dev/null 2>&1; then
install -D -m0644 gps/77-modem-gps.rules /etc/udev/rules.d/77-modem-gps.rules
install -D -m0644 gps/gpsd.default /etc/default/gpsd
udevadm control --reload
else
echo " -> gpsd not installed (apt install gpsd gpsd-clients) — skipping GPS setup"
fi
# OwnTracks publisher: gpsd fix -> MQTT (broker + creds live only on the
# system, 0600 — same pattern as pushover.json).
install -D -m0755 gps/van-gps-owntracks /usr/local/sbin/van-gps-owntracks
install -D -m0644 gps/van-gps-owntracks.service /etc/systemd/system/van-gps-owntracks.service
if [ ! -f /etc/van-gps/config.json ]; then
install -D -m0600 gps/config.json.example /etc/van-gps/config.json
echo " -> seeded /etc/van-gps/config.json (EDIT IT: add MQTT username + password)"
fi
python3 -c 'import paho.mqtt' 2>/dev/null \
|| echo " -> python3-paho-mqtt missing (apt install python3-paho-mqtt) — van-gps-owntracks won't start"
echo "== thermal monitor =="
install -D -m0755 power/van-thermal /usr/local/sbin/van-thermal
install -D -m0644 power/thermal-config.json /etc/van-thermal/config.json
@@ -102,11 +121,12 @@ systemctl daemon-reexec
# its wait-online would just stall network-online.target. NM-wait-online covers WANs.
systemctl mask systemd-networkd-wait-online.service >/dev/null 2>&1 || true
systemctl unmask hostapd >/dev/null 2>&1 || true
systemctl enable regdomain.service hostapd hostapd-2g van-ap-dnsmasq nftables systemd-networkd van-failover van-thermal van-ap-watchdog van-ap-watchdog-2g >/dev/null 2>&1 || true
systemctl enable regdomain.service hostapd hostapd-2g van-ap-dnsmasq nftables systemd-networkd van-failover van-thermal van-ap-watchdog van-ap-watchdog-2g van-gps-owntracks >/dev/null 2>&1 || true
# bluetooth: host BlueZ serves the onboard hci0 to the HA container over D-Bus
systemctl enable --now bluetooth >/dev/null 2>&1 || true
systemctl start homeassistant || echo " -> homeassistant failed to start (podman/quadlet — check journalctl -u homeassistant)"
systemctl restart van-thermal
systemctl restart van-gps-owntracks
# Pick up unmanaged-devices changes so NM releases/keeps the right interfaces.
nmcli general reload 2>/dev/null || systemctl reload NetworkManager 2>/dev/null || true
# restart in dependency order: bridge + members first, then hostapd enslaves the