LoadFromJSON merges telemetry settings from a JSON config file if present. This has lower priority than environment variables.
(cfg *Config, configPath string)
| 72 | // LoadFromJSON merges telemetry settings from a JSON config file if present. |
| 73 | // This has lower priority than environment variables. |
| 74 | func LoadFromJSON(cfg *Config, configPath string) error { |
| 75 | data, err := os.ReadFile(configPath) |
| 76 | if err != nil { |
| 77 | if os.IsNotExist(err) { |
| 78 | return nil |
| 79 | } |
| 80 | return err |
| 81 | } |
| 82 | |
| 83 | var root struct { |
| 84 | Telemetry *telemetrySection `json:"telemetry"` |
| 85 | } |
| 86 | if err := json.Unmarshal(data, &root); err != nil { |
| 87 | return nil // malformed JSON — skip silently |
| 88 | } |
| 89 | if root.Telemetry == nil { |
| 90 | return nil |
| 91 | } |
| 92 | t := root.Telemetry |
| 93 | if t.Enabled != nil { |
| 94 | cfg.Enabled = *t.Enabled |
| 95 | } |
| 96 | if t.Exporter != nil && cfg.Exporter == defaultExporter { |
| 97 | cfg.Exporter = *t.Exporter |
| 98 | } |
| 99 | if t.OTLPEndpoint != nil && cfg.OTLPEndpoint == "" { |
| 100 | cfg.OTLPEndpoint = *t.OTLPEndpoint |
| 101 | if cfg.Exporter == defaultExporter { |
| 102 | cfg.Exporter = "otlp" |
| 103 | } |
| 104 | } |
| 105 | if t.ContentLog != nil { |
| 106 | cfg.ContentLog = *t.ContentLog |
| 107 | } |
| 108 | return nil |
| 109 | } |
| 110 | |
| 111 | // ResolveConfig builds the final Config by merging defaults, JSON config, and env vars. |
| 112 | // Precedence: defaults < config.json < environment variables. |
no outgoing calls