74 lines
2.1 KiB
Rust
74 lines
2.1 KiB
Rust
// This files exists as a companion to the client example, and does not demostrate
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// tracing-awc-opentelemetry itself
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use actix_web::{web, App, HttpServer, Responder};
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use opentelemetry_otlp::WithExportConfig;
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use std::error::Error;
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use tracing_actix_web::TracingLogger;
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use tracing_subscriber::{fmt::format::FmtSpan, layer::SubscriberExt, EnvFilter, Registry};
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use opentelemetry_0_19_pkg as opentelemetry;
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use tracing_opentelemetry_0_19_pkg as tracing_opentelemetry;
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use opentelemetry::{
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sdk::{propagation::TraceContextPropagator, Resource},
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KeyValue,
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};
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#[tracing::instrument(name = "Index")]
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async fn index() -> impl Responder {
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tracing::info!("Hello!");
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"Hello!"
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}
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#[actix_rt::main]
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async fn main() -> Result<(), Box<dyn Error>> {
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init_opentelemetry("http://localhost:4317")?;
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HttpServer::new(|| {
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App::new()
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.wrap(TracingLogger::default())
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.route("/", web::get().to(index))
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})
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.bind("127.0.0.1:9000")?
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.run()
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.await?;
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Ok(())
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}
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fn init_opentelemetry(url: &str) -> Result<(), Box<dyn Error>> {
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opentelemetry::global::set_text_map_propagator(TraceContextPropagator::new());
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let env_filter = EnvFilter::try_from_default_env().unwrap_or_else(|_| EnvFilter::new("info"));
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let format_layer = tracing_subscriber::fmt::layer()
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.with_span_events(FmtSpan::NEW | FmtSpan::CLOSE)
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.pretty();
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let subscriber = Registry::default().with(env_filter).with(format_layer);
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let tracer = opentelemetry_otlp::new_pipeline()
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.tracing()
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.with_trace_config(
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opentelemetry::sdk::trace::config().with_resource(Resource::new(vec![KeyValue::new(
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"service.name",
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"server-demo",
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)])),
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)
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.with_exporter(
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opentelemetry_otlp::new_exporter()
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.tonic()
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.with_endpoint(url),
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)
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.install_batch(opentelemetry::runtime::Tokio)?;
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let otel_layer = tracing_opentelemetry::layer().with_tracer(tracer);
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let subscriber = subscriber.with(otel_layer);
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tracing::subscriber::set_global_default(subscriber)?;
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Ok(())
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}
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