feat: OpenTelemetry tracing (#1206)

Adds OpenTelemetry tracing, configured through the standard `OTEL_*` environment variables and off until an OTLP endpoint is set.

![image.png](https://gitea.com/attachments/c4b49cdf-a32d-403c-94e9-30cd06ee6477)

Each job becomes a trace with a span per step, so operators can see where CI time goes in their existing observability backend. Jobs receive only `TRACEPARENT`, so instrumented tools inside them join the trace without seeing the collector's credentials. Metrics stay on the Prometheus endpoint, which a collector can scrape. See [docs/telemetry.md](https://gitea.com/wmTJc9IK0Q/runner/src/branch/otel/docs/telemetry.md) for setup and security notes.

Also keeps `GITHUB_SHA` and `GITHUB_REF` fixed for a whole run when HEAD moves during `exec` runs and the act tests.

[image.png](https://gitea.com/attachments/c4b49cdf-a32d-403c-94e9-30cd06ee6477)

[image.png](https://gitea.com/attachments/c4b49cdf-a32d-403c-94e9-30cd06ee6477)

---------

Co-authored-by: silverwind <[email protected]>
Co-authored-by: silverwind <[email protected]>
Co-authored-by: bircni <[email protected]>
Reviewed-on: https://gitea.com/gitea/runner/pulls/1206
Reviewed-by: bircni <[email protected]>
Reviewed-by: silverwind <[email protected]>
Co-authored-by: wmTJc9IK0Q <[email protected]>
This commit is contained in:
authored and silverwind committed 2026-09-24 15:57:18 +00:00
1 parent 7ad12038d1
commit 1952e5cdb6
15 files changed
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@@ -37,6 +37,11 @@ require (
github.com/stretchr/testify v1.12.1
github.com/timshannon/bolthold v0.0.0-20240314194003-30aac6950928
go.etcd.io/bbolt v1.5.0
go.opentelemetry.io/otel v1.46.0
go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.46.0
go.opentelemetry.io/otel/sdk v1.46.0
go.opentelemetry.io/otel/trace v1.46.0
go.opentelemetry.io/proto/otlp v1.11.0
go.yaml.in/yaml/v4 v4.0.0-rc.6
golang.org/x/net v0.59.0
golang.org/x/sync v0.23.0
@@ -68,6 +73,7 @@ require (
github.com/go-viper/mapstructure/v2 v2.5.0 // indirect
github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/inconshreveable/mousetrap v1.1.0 // indirect
github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
github.com/kevinburke/ssh_config v1.6.0 // indirect
@@ -89,9 +95,7 @@ require (
github.com/xanzy/ssh-agent v0.3.3 // indirect
go.opentelemetry.io/auto/sdk v1.2.1 // indirect
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.70.0 // indirect
go.opentelemetry.io/otel v1.45.0 // indirect
go.opentelemetry.io/otel/metric v1.45.0 // indirect
go.opentelemetry.io/otel/trace v1.45.0 // indirect
go.opentelemetry.io/otel/metric v1.46.0 // indirect
go.yaml.in/yaml/v3 v3.0.5 // indirect
golang.org/x/crypto v0.57.0 // indirect
gopkg.in/warnings.v0 v0.1.2 // indirect