OpenTelemetry Rust is an implementation of the OpenTelemetry framework tailored for the Rust programming language.
It provides tools, APIs, and SDKs to instrument applications, enabling the generation, collection, and export of telemetry data such as metrics, logs, and traces.
This data is crucial for understanding software performance and behavior, particularly in distributed systems.
opentelemetry
crate serves as the core API for instrumenting Rust applications. It supports tracing, metrics, logging, context propagation, and baggage management.opentelemetry-sdk
crate provides SDK implementations for tracing, metrics, and logging.opentelemetry-otlp
: Exports data using the OpenTelemetry Protocol (OTLP).opentelemetry-prometheus
: Exports metrics to Prometheus.opentelemetry-zipkin
and opentelemetry-jaeger
: Export traces to Zipkin and Jaeger respectively.opentelemetry-stdout
: Outputs telemetry data to the console for debugging.opentelemetry-appender-log
(for the log
crate) and opentelemetry-appender-tracing
(for the tracing
crate).opentelemetry-semantic-conventions
crate ensures adherence to standard naming conventions for telemetry attributes.To begin using OpenTelemetry in Rust:
opentelemetry
, opentelemetry-sdk
, etc.) to your project.For example:
use opentelemetry::sdk::trace::TracerProvider;
use opentelemetry_otlp::WithExportConfig;
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
let tracer = opentelemetry_otlp::new_exporter()
.tonic()
.with_endpoint("http://localhost:4317")
.build_span_exporter()?;
let provider = TracerProvider::builder().with_simple_exporter(tracer).build();
opentelemetry::global::set_tracer_provider(provider);
Ok(())
}
This setup enables developers to monitor application performance effectively while maintaining flexibility in backend selection.
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