/
tracing.go
54 lines (43 loc) · 1.15 KB
/
tracing.go
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package tracing
import (
"context"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/exporters/jaeger"
"go.opentelemetry.io/otel/sdk/resource"
tracesdk "go.opentelemetry.io/otel/sdk/trace"
semconv "go.opentelemetry.io/otel/semconv/v1.12.0"
"go.opentelemetry.io/otel/trace"
)
func createTracingProvider(url string) (*tracesdk.TracerProvider, error) {
// Create the Jaeger exporter
exporter, err := jaeger.New(jaeger.WithCollectorEndpoint(jaeger.WithEndpoint(url)))
if err != nil {
return nil, err
}
tp := tracesdk.NewTracerProvider(
tracesdk.WithBatcher(exporter),
tracesdk.WithResource(resource.NewWithAttributes(
semconv.SchemaURL,
semconv.ServiceNameKey.String("my-resto"),
attribute.String("environment", "staging"),
)),
)
return tp, nil
}
func Init(url string) error {
tp, err := createTracingProvider(url)
if err != nil {
return err
}
otel.SetTracerProvider(tp)
return nil
}
func CreateSpan(ctx context.Context, name string) (context.Context, trace.Span) {
if ctx == nil {
ctx = context.Background()
}
tr := otel.Tracer(name)
ctx, span := tr.Start(ctx, name)
return ctx, span
}