(trace_level_arg: Option<&TraceLevel>, trace_format_arg: Option<&TraceFormat>)
| 310 | |
| 311 | #[allow(clippy::too_many_lines)] |
| 312 | pub fn enable_tracing(trace_level_arg: Option<&TraceLevel>, trace_format_arg: Option<&TraceFormat>) { |
| 313 | |
| 314 | let mut policy_is_used = false; |
| 315 | let mut tracing_setting = TracingSetting::default(); |
| 316 | |
| 317 | let default_filter = EnvFilter::try_from_default_env() |
| 318 | .or_else(|_| EnvFilter::try_new("warn")) |
| 319 | .unwrap_or_default() |
| 320 | .add_directive(Level::WARN.into()); |
| 321 | let default_indicatif_layer = IndicatifLayer::new(); |
| 322 | let default_layer = tracing_subscriber::fmt::Layer::default().with_writer(default_indicatif_layer.get_stderr_writer()); |
| 323 | let default_fmt = default_layer |
| 324 | .with_ansi(true) |
| 325 | .with_level(true) |
| 326 | .boxed(); |
| 327 | let default_subscriber = tracing_subscriber::Registry::default().with(default_fmt).with(default_filter).with(default_indicatif_layer); |
| 328 | let default_guard = tracing::subscriber::set_default(default_subscriber); |
| 329 | |
| 330 | // read setting/policy from files |
| 331 | if let Ok(v) = get_setting("tracing") { |
| 332 | if v.policy != serde_json::Value::Null { |
| 333 | match serde_json::from_value::<TracingSetting>(v.policy) { |
| 334 | Ok(v) => { |
| 335 | tracing_setting = v; |
| 336 | policy_is_used = true; |
| 337 | }, |
| 338 | Err(e) => { error!("{e}"); } |
| 339 | } |
| 340 | } else if v.setting != serde_json::Value::Null { |
| 341 | match serde_json::from_value::<TracingSetting>(v.setting) { |
| 342 | Ok(v) => { |
| 343 | tracing_setting = v; |
| 344 | }, |
| 345 | Err(e) => { error!("{e}"); } |
| 346 | } |
| 347 | } |
| 348 | } else { |
| 349 | error!("{}", t!("util.failedToReadTracingSetting")); |
| 350 | } |
| 351 | |
| 352 | // override with DSC_TRACE_LEVEL env var if permitted |
| 353 | if tracing_setting.allow_override && let Ok(level) = env::var(DSC_TRACE_LEVEL) { |
| 354 | tracing_setting.level = match level.to_ascii_uppercase().as_str() { |
| 355 | "ERROR" => TraceLevel::Error, |
| 356 | "WARN" => TraceLevel::Warn, |
| 357 | "INFO" => TraceLevel::Info, |
| 358 | "DEBUG" => TraceLevel::Debug, |
| 359 | "TRACE" => TraceLevel::Trace, |
| 360 | _ => { |
| 361 | warn!("{}: '{level}'", t!("util.invalidTraceLevel")); |
| 362 | TraceLevel::Warn |
| 363 | } |
| 364 | } |
| 365 | } |
| 366 | |
| 367 | // command-line args override setting value, but not policy |
| 368 | if !policy_is_used { |
| 369 | if let Some(v) = trace_level_arg { |
no test coverage detected