localhorst/vw-eu-data-act-prometheus-exporter
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fix systemd job

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localhorst
2026-08-13 18:19:32 +02:00
parent addb16b6b0
commit 59d1d29458
3 changed files with 20 additions and 3 deletions
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README.md
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@@ -103,7 +103,7 @@ sudo systemctl status vw-eu-data-act-exporter
| `vins` | List of vehicle VINs to scrape |
| `scrape_interval_minutes` | Poll interval per vehicle. The portal only delivers new datasets for "continuous" data requests roughly every ~15 min anyway - a shorter interval will not yield fresher data, but will increase the login frequency against the account |
| `persist_raw_json` | `False` by default. When set to `True`, the JSON extracted from every downloaded dataset is written to disk (one file per VIN per scrape), including the JSON extracted from `_no_content_found.zip` placeholders when they carry one. ZIP files are never written to disk, only the extracted JSON - useful while tuning the field mapping in `vw-eu-data-act-exporter.py`. Not needed for normal operation |
| `persist_raw_json_dir` | Directory the raw JSON files are written to when `persist_raw_json` is enabled (default: `./raw_json`, relative to the working directory) |
| `persist_raw_json_dir` | Directory the raw JSON files are written to when `persist_raw_json` is enabled. Defaults to `$STATE_DIRECTORY` (set automatically by the systemd unit's `StateDirectory=vw-eu-data-act-exporter`, i.e. `/var/lib/vw-eu-data-act-exporter`), falling back to `./raw_json` for ad-hoc/local runs outside systemd |
Prerequisite in the portal (one-time, in a browser): connect vehicle ->
"Get customised data" -> enable continuous, 15-minute frequency (see the
@@ -136,3 +136,11 @@ be independent of, and significantly shorter than, `scrape_interval_minutes`
- `WARNING ... Unknown enum value`: a new, not-yet-listed value for an enum
metric - the state is exported as `UNKNOWN`, extend the list in the
source code if needed.
- Service fails immediately with `status=226/NAMESPACE` /
`Failed to set up mount namespacing`: usually a stale unit file from
before `StateDirectory=` was introduced (e.g. still using
`ReadWritePaths=.../raw_json` pointing at a directory that was never
created). Re-copy the current `vw-eu-data-act-exporter.service`, run
`sudo systemctl daemon-reload`, and restart - `StateDirectory=` makes
systemd create that directory (with correct ownership) itself, no manual
`mkdir`/`chown` needed.