Files
story/internal/observability/tracing.go
T

50 lines
1.5 KiB
Go
Raw Normal View History

2026-08-26 06:41:07 +08:00
package observability
import (
"context"
"fmt"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
"go.opentelemetry.io/otel/propagation"
"go.opentelemetry.io/otel/sdk/resource"
sdktrace "go.opentelemetry.io/otel/sdk/trace"
)
type TraceProvider struct{ provider *sdktrace.TracerProvider }
func SetupTracing(ctx context.Context, serviceName, environment, endpoint string) (*TraceProvider, error) {
res, err := resource.New(ctx, resource.WithAttributes(
attribute.String("service.name", serviceName),
attribute.String("deployment.environment.name", environment),
))
if err != nil {
return nil, fmt.Errorf("create telemetry resource: %w", err)
}
options := []sdktrace.TracerProviderOption{sdktrace.WithResource(res)}
if endpoint != "" {
exporter, err := otlptracegrpc.New(ctx,
otlptracegrpc.WithEndpoint(endpoint),
otlptracegrpc.WithInsecure(),
)
if err != nil {
return nil, fmt.Errorf("create OTLP trace exporter: %w", err)
}
options = append(options, sdktrace.WithBatcher(exporter))
}
provider := sdktrace.NewTracerProvider(options...)
otel.SetTracerProvider(provider)
otel.SetTextMapPropagator(propagation.NewCompositeTextMapPropagator(
propagation.TraceContext{}, propagation.Baggage{},
))
return &TraceProvider{provider: provider}, nil
}
func (p *TraceProvider) Shutdown(ctx context.Context) error {
if p == nil || p.provider == nil {
return nil
}
return p.provider.Shutdown(ctx)
}