unsyncedDecodeAndRun removes any meta fields (like @id tags) from cfgJSON, decodes the result into a *Config, and runs it as the new config, replacing any other current config. It does NOT update the raw config state, as this is a lower-level function; most callers will want to use Load instead. A w
(cfgJSON []byte, allowPersist bool)
| 335 | // allowPersist is false, it will not be persisted to disk, |
| 336 | // even if it is configured to. |
| 337 | func unsyncedDecodeAndRun(cfgJSON []byte, allowPersist bool) error { |
| 338 | // remove any @id fields from the JSON, which would cause |
| 339 | // loading to break since the field wouldn't be recognized |
| 340 | strippedCfgJSON := RemoveMetaFields(cfgJSON) |
| 341 | |
| 342 | var newCfg *Config |
| 343 | err := StrictUnmarshalJSON(strippedCfgJSON, &newCfg) |
| 344 | if err != nil { |
| 345 | return err |
| 346 | } |
| 347 | |
| 348 | // prevent recursive config loads; that is a user error, and |
| 349 | // although frequent config loads should be safe, we cannot |
| 350 | // guarantee that in the presence of third party plugins, nor |
| 351 | // do we want this error to go unnoticed (we assume it was a |
| 352 | // pulled config if we're not allowed to persist it) |
| 353 | if !allowPersist && |
| 354 | newCfg != nil && |
| 355 | newCfg.Admin != nil && |
| 356 | newCfg.Admin.Config != nil && |
| 357 | newCfg.Admin.Config.LoadRaw != nil && |
| 358 | newCfg.Admin.Config.LoadDelay <= 0 { |
| 359 | return fmt.Errorf("recursive config loading detected: pulled configs cannot pull other configs without positive load_delay") |
| 360 | } |
| 361 | |
| 362 | // run the new config and start all its apps |
| 363 | ctx, err := run(newCfg, true) |
| 364 | if err != nil { |
| 365 | return err |
| 366 | } |
| 367 | |
| 368 | // swap old context (including its config) with the new one |
| 369 | currentCtxMu.Lock() |
| 370 | oldCtx := currentCtx |
| 371 | currentCtx = ctx |
| 372 | currentCtxMu.Unlock() |
| 373 | |
| 374 | // Stop, Cleanup each old app |
| 375 | unsyncedStop(oldCtx) |
| 376 | |
| 377 | // autosave a non-nil config, if not disabled |
| 378 | if allowPersist && |
| 379 | newCfg != nil && |
| 380 | (newCfg.Admin == nil || |
| 381 | newCfg.Admin.Config == nil || |
| 382 | newCfg.Admin.Config.Persist == nil || |
| 383 | *newCfg.Admin.Config.Persist) { |
| 384 | dir := filepath.Dir(ConfigAutosavePath) |
| 385 | err := os.MkdirAll(dir, 0o700) |
| 386 | if err != nil { |
| 387 | Log().Error("unable to create folder for config autosave", |
| 388 | zap.String("dir", dir), |
| 389 | zap.Error(err)) |
| 390 | } else { |
| 391 | err := os.WriteFile(ConfigAutosavePath, cfgJSON, 0o600) |
| 392 | if err == nil { |
| 393 | Log().Info("autosaved config (load with --resume flag)", zap.String("file", ConfigAutosavePath)) |
| 394 | } else { |
no test coverage detected