snapshot of https://github.com/ory/keto.git (master, 2026-09-16; blobs > 131072B omitted)

oryx/otelx/zipkin.go

@@ -0,0 +1,37 @@
+// Copyright © 2023 Ory Corp
+// SPDX-License-Identifier: Apache-2.0
+
+package otelx
+
+import (
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/exporters/zipkin"
+	"go.opentelemetry.io/otel/sdk/resource"
+	sdktrace "go.opentelemetry.io/otel/sdk/trace"
+	semconv "go.opentelemetry.io/otel/semconv/v1.27.0"
+	"go.opentelemetry.io/otel/trace"
+)
+
+func SetupZipkin(t *Tracer, tracerName string, c *Config) (trace.Tracer, error) {
+	exp, err := zipkin.New(c.Providers.Zipkin.ServerURL)
+	if err != nil {
+		return nil, err
+	}
+
+	tpOpts := []sdktrace.TracerProviderOption{
+		sdktrace.WithBatcher(exp),
+		sdktrace.WithResource(resource.NewWithAttributes(
+			semconv.SchemaURL,
+			semconv.ServiceName(c.ServiceName),
+			semconv.DeploymentEnvironmentName(c.DeploymentEnvironment),
+		)),
+		sdktrace.WithSampler(sdktrace.ParentBased(sdktrace.TraceIDRatioBased(
+			c.Providers.Zipkin.Sampling.SamplingRatio,
+		))),
+	}
+
+	tp := sdktrace.NewTracerProvider(tpOpts...)
+	otel.SetTracerProvider(tp)
+
+	return tp.Tracer(tracerName), nil
+}