| 148 | } |
| 149 | |
| 150 | pub fn xray_layer<S>(config: &Watch) -> OpenTelemetryLayer<S, Tracer> |
| 151 | where |
| 152 | S: Subscriber + for<'span> LookupSpan<'span>, |
| 153 | { |
| 154 | global::set_text_map_propagator(XrayPropagator::default()); |
| 155 | |
| 156 | let builder = stdout::new_pipeline().with_trace_config( |
| 157 | trace::config() |
| 158 | .with_sampler(trace::Sampler::AlwaysOn) |
| 159 | .with_id_generator(trace::XrayIdGenerator::default()), |
| 160 | ); |
| 161 | let tracer = if config.print_traces { |
| 162 | builder.install_simple() |
| 163 | } else { |
| 164 | builder.with_writer(std::io::sink()).install_simple() |
| 165 | }; |
| 166 | tracing_opentelemetry::layer().with_tracer(tracer) |
| 167 | } |
| 168 | |
| 169 | fn build_runtime_state( |
| 170 | config: &Watch, |