Files
meshcore-bot/docs/config-validation.md
T
Adam Gessaman 4bf09291f5 Implement public channel guard and enhance configuration validation
- Updated `config.ini.example` to include a warning about running the bot on the Public channel and added an override key for intentional usage.
- Enhanced `config_validation.py` to implement a public channel guard that prevents the bot from starting if the Public channel is included in monitored channels without the override.
- Refactored `CommandManager` and `Core` to check for the Public channel key during channel loading and connection setup, ensuring compliance with the new guard.
- Improved documentation in `configuration.md` and `config-validation.md` to clarify the implications of using the Public channel and the necessary configuration changes.
2026-04-09 20:44:48 -07:00

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# Config validation
The bot can validate your `config.ini` for section names and path writability before you run it. Use this to catch typos (e.g. `[WebViewer]` instead of `[Web_Viewer]`) and missing required sections.
## How to run
**Standalone script** (no bot startup):
```bash
python validate_config.py [--config config.ini]
```
**At bot startup** (validate then exit):
```bash
python meshcore_bot.py --validate-config [--config config.ini]
```
- **Exit 0** No errors (warnings and info may still be printed).
- **Exit 1** One or more errors; fix them before starting the bot.
Warnings and info do not change the exit code. Only **errors** cause exit 1.
## What is checked
### Required sections
The bot will not start without these sections. The validator reports them as **errors** if missing:
| Section | Purpose |
|----------------|----------------------------------------------|
| `[Connection]` | Serial, BLE, or TCP connection parameters |
| `[Bot]` | Database path, bot name, rate limits, etc. |
| `[Channels]` | Monitor channels, DM behavior, optional flood_scope / flood_scopes (scoped flooding) |
### Section names
- **Canonical sections** (e.g. `[Web_Viewer]`, `[Feed_Manager]`) and any section ending in **`_Command`** (e.g. `[Path_Command]`, `[Wx_Command]`) are valid.
- **Known typos** are reported as **warnings** with a suggestion, for example:
- `[WebViewer]` → use `[Web_Viewer]`
- `[FeedManager]` → use `[Feed_Manager]`
- `[Jokes]` → use `[Joke_Command]` / `[DadJoke_Command]` (see [Configuration](configuration.md) and [Upgrade](upgrade.md) for legacy support).
- **Unknown sections** (not in the canonical list and not a `*_Command` section) are reported as **info**; the validator may suggest a similar section name if it looks like a command.
### Optional sections (info only)
If these are absent, the validator reports **info** (no error):
- **`[Admin_ACL]`** Absent means admin commands (repeater, webviewer, reload, channelpause) are disabled.
- **`[Banned_Users]`** Absent means no users are banned.
- **`[Localization]`** Absent means defaults (e.g. `language=en`, `translation_path=translations/`) are used.
### Public channel guard
If `monitor_channels` includes the Public channel (matched by name — `Public`, `#public`, etc.), the validator reports an **error** unless the override key is present in `[Bot]`. See [Channels section — Public channel guard](configuration.md#public-channel-guard) for the override key and rationale.
### Path writability
The validator checks that paths for **database**, **log file**, and **Web_Viewer db_path** (when set) are writable. Problems are reported as **warnings** (e.g. directory does not exist or is not writable). Relative paths are resolved from the directory containing the config file.
## Severity levels
| Level | Effect on exit code | Typical meaning |
|---------|----------------------|------------------------------------|
| Error | Exit 1 | Must fix (e.g. missing section) |
| Warning | Exit 0 | Likely mistake (e.g. section typo) |
| Info | Exit 0 | Informational (e.g. optional section absent) |
## Example
```bash
$ python validate_config.py --config config.ini
Warning: Non-standard section [WebViewer]; did you mean [Web_Viewer]?
Info: Section [Localization] absent; using defaults (language=en, translation_path=translations/).
```
Fix the `[WebViewer]` section name, then re-run. After fixing errors, the bot can start normally; you can also run with `--validate-config` before each start if you prefer.