Files
mg4/SPECS.md
T
nilsandClaude Opus 5.5 84fb3aac21 k8s: work with kubectl apply -f as well as -k
- The secrets template moves to k8s/secrets/, and the filled-in copy to
  k8s/secrets/secrets.yaml (gitignored). `kubectl apply -f k8s/` does
  not recurse, so neither the placeholder template nor the real secrets
  can be applied by accident.
- The server image digest is pinned in server.yaml instead of through
  kustomize's images override, which `-f` ignores (it would have pulled
  a nonexistent :latest).
- README and kustomization.yaml say to use `-k`: plain `-f` never
  creates the generated Grafana ConfigMaps.
- The IngressRoutes drop `tls: {}`, like the other routes on this
  Traefik: TLS is configured on the websecure entrypoint.

Manifests validated both ways (14 resources rendered with kustomize,
11 as plain files — the difference is the Grafana ConfigMaps).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QLJfZQZeAKAwSqViTmLzki
2026-10-17 21:36:17 +02:00

107 lines
6.7 KiB
Markdown

# SPECS — Nils' MG4
Journal for this fork of [fatihdonmezdev/FatihsMG4](https://github.com/fatihdonmezdev/FatihsMG4):
what has been changed, and what is still to do.
- Our repository: https://git.stinnesbeck.com/nils/mg4
- Upstream: https://github.com/fatihdonmezdev/FatihsMG4 (itself a fork of malys / EVABRPUploader
and Leon Kernan / ABRP_Uploader). Credited in the app's About dialog.
## Architecture: car server at car.k8s.stinnesbeck.com
The car sends everything to our own server. The server stores it in InfluxDB 2 and forwards live
telemetry to ABRP, so the ABRP token lives only on the server, never in the APK. Grafana reads
InfluxDB directly for the dashboards.
```
car ──live telemetry───▶ car.k8s.stinnesbeck.com (Go) ──▶ ABRP api.iternio.com/1/tlm/send
──daily chunks─────▶ │
──charging sessions▶ ▼
InfluxDB 2 ◀── Grafana (car-grafana.k8s.stinnesbeck.com)
```
- **Server:** `server/`, Go 1.26, API only — see `server/README.md` for endpoints, configuration
and the storage layout. Replaced the Next.js app from upstream (`web/`, removed 2026-10-17).
- **Dashboards:** Grafana, provisioned from `k8s/grafana/`: Live (stats, SoC/range, power/speed,
route map, temperatures, tyres), Consumption (period totals, lifetime, SoH, per-day energy,
distance and efficiency) and Charging (totals, session table, curves). Prices in euro.
- **Pairing:** the car shows a QR code, a phone approves it with the approval password, and the car
gets its own token (RFC 8628-style; `server/README.md`). The shared `INGEST_TOKEN` still works.
- **Car app:** Server tab (URL, pairing by QR, ingest token, installation id, config import); live telemetry
every 15 s while driving or charging; consumption chunks and charging sessions as before.
- **Deployment:** `k8s/`, plain manifests. **Nothing is ever applied to the cluster by us** —
Nils applies them (`k8s/README.md`). TLS comes from Traefik's default certificate.
### Status
- [x] Go server 2.0.0: tests and govulncheck clean; image builds (about 11 MB).
- [x] End-to-end in podman (server + InfluxDB 2.7.12 + Grafana 13.2.3): every endpoint, retry
idempotency, all 25 dashboard queries return data, dashboards rendered and checked.
- [x] Manifests validated offline (including Traefik CRDs). **Not applied.**
- [x] Car app 2.4.0 (pairing by QR): unit tests pass; **not yet tried on the car**.
- [x] Image `mg4-server:2.1.0` (with pairing) pushed to git.stinnesbeck.com (public; pinned by
digest `sha256:e5f6e2d2…` in `k8s/server.yaml`).
- [ ] Check Grafana's host in `k8s/ingress.yaml` (placeholder `car-grafana.k8s.stinnesbeck.com`).
- [ ] First pairing and drive with 2.4.0: telemetry arrives in InfluxDB, Grafana and ABRP.
## To do
- [ ] **About dialog link and QR code → https://git.stinnesbeck.com/nils/mg4.**
Both come from `REPOSITORY_URL` in `app/src/main/java/com/evsuite/abrp/MainActivity.java`
and `about_repository` in `app/src/main/res/values/strings.xml`. They still point to Fatih's
GitHub repository.
- [ ] **Re-enable OTA updates against our own releases.** `RELEASES_API` in
`app/src/unstable/java/com/evsuite/abrp/OtaUpdater.java` points at `updates.invalid` on purpose,
so checks fail. The updater speaks the GitHub releases API and only allows GitHub hosts
(`ALLOWED_HOSTS`). For git.stinnesbeck.com it needs the host on the allowlist, and the
response parsing checked against that server's releases API. Release assets must be named
`NilsMG4-unstable-<version>.apk` with a `.sha256` sidecar (`build-car` writes both).
- [ ] **Telemetry queue survives restarts.** Unsent live samples are kept in memory only.
- [ ] **Translate the rest.** The docs (`CHANGELOG.md`, `OTA.md`'s
message table, comments in `mise.toml`/`app/build.gradle`) are still Turkish or French.
- [ ] **Docs still use the old package ID.** `README.md`, `OTA.md`, `CHANGELOG.md`, `mise.toml` and
`docs/MG4_PLATFORM_INSTALL.md` refer to `com.evsuite.abrp(.unstable)` and `FatihsMG4-*.apk`.
- [ ] **Move hardcoded UI strings into `strings.xml`.** Many are inline in Java and layouts.
## Done
- 2026-10-17 — Translated the app UI from Turkish to English.
- 2026-10-17 — Nix flake: `nix develop` provides JDK 21 and the Android SDK. `build-car` builds the
unstable APK and signs it with the AOSP test platform key, which the MG4 head unit uses
(cert SHA-256 `c8a2e9bc…192ab8`).
- 2026-10-17 — OTA update checks disabled by pointing at an unresolvable host (see To do).
- 2026-10-17 — Renamed to "Nils' MG4": package ID `com.stinnesbeck.nilsmg4` (`.unstable` for the car
build), APK names `NilsMG4-*.apk`. It installs next to the old FatihsMG4 app instead of replacing
it, and starts with empty settings and history.
- 2026-10-17 — Server rewritten for InfluxDB 2 with live telemetry and ABRP forwarding; Dockerfile;
Kubernetes manifests (not applied).
- 2026-10-17 — App 2.3.0: Server tab (URL, ingest token, installation id, config import), live
telemetry restored from before `ea8032a` and sent to the server, Upload-tab cadence controls
reconnected, dead switches removed. The removed ABRP classes' unit tests compile and pass again
(AbrpApi and HeadUnitWeather tests deleted with their classes).
- 2026-10-17 — Accent colour: MG red instead of muted gold. Web app renamed to Nils' MG4.
- 2026-10-17 — Dashboard translated to English (en-GB formatting); euro instead of lira in the
dashboard and the car app's charging tab.
- 2026-10-17 — Server rewritten in Go (API only); dashboards moved to Grafana with provisioned
InfluxDB datasource and three dashboards; the Next.js app (`web/`) removed. Per-host
cert-manager certificates dropped in favour of Traefik's default certificate.
- 2026-10-17 — Pairing by QR code: server 2.1.0 issues per-car tokens after approval on a phone;
app 2.4.0 shows the QR code and collects its token. Tested end to end against InfluxDB.
- 2026-10-17 — Incident: a commit swept the filled-in `secrets.example.yaml` (InfluxDB admin token,
INGEST_TOKEN) into git and pushed it. Commit amended and force-pushed; both values regenerated in
the now gitignored `k8s/secrets.yaml` (since moved to `k8s/secrets/secrets.yaml`, outside
`kubectl apply -f k8s/`). Filled-in secrets live only there from now on.
- 2026-10-17 — Temporary on-screen diagnostics (b2a5b32) to debug blank values without adb;
removed again (1002962) once values showed on the car. Revert 1002962 to bring them back.
## Installing on the car
```
nix develop
build-car
adb push build/car/NilsMG4-unstable-<version>.apk /data/local/tmp/update.apk
adb shell "pm install -r -f -d -t /data/local/tmp/update.apk"
```
To remove the old upstream app: `adb uninstall com.evsuite.abrp.unstable`.