27 breaking releases
0.28.0 | Nov 13, 2024 |
---|---|
0.26.0 | Sep 10, 2024 |
0.25.0 | Jul 21, 2024 |
0.23.0 | Mar 5, 2024 |
0.1.0 | Nov 20, 2019 |
#3 in Debugging
3,196,779 downloads per month
Used in 742 crates
(194 directly)
140KB
2K
SLoC
Tracing OpenTelemetry
Utilities for adding OpenTelemetry interoperability to tracing
.
Overview
tracing
is a framework for instrumenting Rust programs to collect
structured, event-based diagnostic information. This crate provides a
subscriber that connects spans from multiple systems into a trace and
emits them to OpenTelemetry-compatible distributed tracing systems
for processing and visualization.
The crate provides the following types:
OpenTelemetryLayer
adds OpenTelemetry context to alltracing
spans.OpenTelemetrySpanExt
allows OpenTelemetry parent trace information to be injected and extracted from atracing
span.
Compatibility with OpenTelemetry crates
Note that version numbers for this crate are not synchronized with the various OpenTelemetry crates, despite having similar version numbers. For discussion, see issue #170.
As of 0.26, tracing-opentelemetry is one version ahead of the opentelemetry crates, such that tracing-opentelemetry 0.26.0 is compatible with opentelemetry 0.25.0, but due to semver compatibility concerns, this may not always be the case.
Visualizing traces with Jaeger
# Run a supported collector like jaeger in the background
$ docker run -d -p4317:4317 -p16686:16686 jaegertracing/all-in-one:latest
# Run example to produce spans (from parent examples directory)
$ cargo run --example opentelemetry-otlp
# View spans (see the image below)
$ firefox http://localhost:16686/
Feature Flags
metrics
: Enables theMetricsLayer
type, a layer that exports OpenTelemetry metrics from specifically-named events. This enables themetrics
feature flag on theopentelemetry
crate.
License
This project is licensed under the MIT license.
Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in Tracing by you, shall be licensed as MIT, without any additional terms or conditions.
Dependencies
~4.5–6MB
~101K SLoC