Files
observability_2025/cmd/otel.go
2025-11-24 11:37:32 +03:00

56 lines
1.3 KiB
Go

package main
import (
"context"
"fmt"
"log"
"time"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/exporters/otlp/otlptrace"
"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"
semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
)
func InstallExportPipeline() (func(context.Context) error, error) {
traceClient := otlptracegrpc.NewClient(
otlptracegrpc.WithInsecure(),
otlptracegrpc.WithEndpoint("127.0.0.1:4317"),
)
sctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
traceExp, err := otlptrace.New(sctx, traceClient)
if err != nil {
log.Fatal(err)
}
if err != nil {
return nil, fmt.Errorf("creating stdout exporter: %w", err)
}
res, err := resource.New(context.Background(),
resource.WithFromEnv(),
resource.WithProcess(),
resource.WithTelemetrySDK(),
resource.WithHost(),
resource.WithAttributes(
semconv.ServiceNameKey.String("go_test"),
),
)
if err != nil {
log.Fatal(err)
}
tracerProvider := sdktrace.NewTracerProvider(
sdktrace.WithBatcher(traceExp),
sdktrace.WithResource(res),
)
otel.SetTracerProvider(tracerProvider)
otel.SetTextMapPropagator(propagation.TraceContext{})
return tracerProvider.Shutdown, nil
}