the example in the readme didn't compile (#189)

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Alexander Kjäll 2024-10-16 21:25:08 +02:00 committed by GitHub
parent 680741faf1
commit fc89e7ddb7
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@ -25,18 +25,18 @@ tokio = { version = "1.12.0", features = ["macros", "rt-multi-thread"] }
tracing = "0.1"
tracing-opentelemetry = "0.23"
tracing-subscriber = "0.3"
http = "1"
```
```rust,skip
use reqwest_tracing::{default_on_request_end, reqwest_otel_span, ReqwestOtelSpanBackend, TracingMiddleware};
use opentelemetry::sdk::export::trace::stdout;
use reqwest::{Request, Response};
use reqwest_middleware::{ClientBuilder, Result};
use std::time::Instant;
use http::Extensions;
use tracing::Span;
use tracing_subscriber::layer::SubscriberExt;
use tracing_subscriber::Registry;
use tracing_subscriber::FmtSubscriber;
use tracing::Level;
pub struct TimeTrace;
@ -55,10 +55,12 @@ impl ReqwestOtelSpanBackend for TimeTrace {
#[tokio::main]
async fn main() {
let tracer = stdout::new_pipeline().install_simple();
let telemetry = tracing_opentelemetry::layer().with_tracer(tracer);
let subscriber = Registry::default().with(telemetry);
tracing::subscriber::set_global_default(subscriber).unwrap();
let subscriber = FmtSubscriber::builder()
.with_max_level(Level::TRACE)
.finish();
tracing::subscriber::set_global_default(subscriber)
.expect("setting default subscriber failed");
run().await;
}
@ -74,7 +76,13 @@ async fn run() {
```terminal
$ cargo run
SpanData { span_context: SpanContext { trace_id: ...
2024-09-10T13:19:52.520194Z TRACE HTTP request{http.request.method=GET url.scheme=https server.address=truelayer.com server.port=443 user_agent.original= otel.kind="client" otel.name=example-request}: hyper_util::client::legacy::pool: checkout waiting for idle connection: ("https", truelayer.com)
2024-09-10T13:19:52.520303Z TRACE HTTP request{http.request.method=GET url.scheme=https server.address=truelayer.com server.port=443 user_agent.original= otel.kind="client" otel.name=example-request}: hyper_util::client::legacy::connect::http: Http::connect; scheme=Some("https"), host=Some("truelayer.com"), port=None
2024-09-10T13:19:52.520686Z DEBUG HTTP request{http.request.method=GET url.scheme=https server.address=truelayer.com server.port=443 user_agent.original= otel.kind="client" otel.name=example-request}:resolve{host=truelayer.com}: hyper_util::client::legacy::connect::dns: resolving host="truelayer.com"
2024-09-10T13:19:52.521847Z DEBUG HTTP request{http.request.method=GET url.scheme=https server.address=truelayer.com server.port=443 user_agent.original= otel.kind="client" otel.name=example-request}: hyper_util::client::legacy::connect::http: connecting to 104.18.24.12:443
2024-09-10T13:19:52.532045Z DEBUG HTTP request{http.request.method=GET url.scheme=https server.address=truelayer.com server.port=443 user_agent.original= otel.kind="client" otel.name=example-request}: hyper_util::client::legacy::connect::http: connected to 104.18.24.12:443
2024-09-10T13:19:52.548050Z TRACE HTTP request{http.request.method=GET url.scheme=https server.address=truelayer.com server.port=443 user_agent.original= otel.kind="client" otel.name=example-request}: hyper_util::client::legacy::client: http1 handshake complete, spawning background dispatcher task
2024-09-10T13:19:52.548651Z TRACE HTTP request{http.request.method=GET url.scheme=https server.address=truelayer.com server.port=443 user_agent.original= otel.kind="client" otel.name=example-request}: hyper_util::client::legacy::pool: checkout dropped for ("https", truelayer.com)
```
See the [`tracing`](https://crates.io/crates/tracing) crate for more information on how to set up a