Enabling tracing in Jaeger

package main

import (
    "context"
    "database/sql"
    "time"

    "github.com/opentracing/opentracing-go"
    jaegerConfig "github.com/uber/jaeger-client-go/config"

    "github.com/ydb-platform/ydb-go-sdk/v3"
    "github.com/ydb-platform/ydb-go-sdk/v3/trace"

    tracing "github.com/ydb-platform/ydb-go-sdk-opentracing"
)

const (
    tracerURL   = "localhost:5775"
    serviceName = "ydb-go-sdk"
)

func main() {
    tracer, closer, err := jaegerConfig.Configuration{
        ServiceName: serviceName,
            Sampler: &jaegerConfig.SamplerConfig{
            Type:  "const",
            Param: 1,
        },
        Reporter: &jaegerConfig.ReporterConfig{
            LogSpans:            true,
            BufferFlushInterval: 1 * time.Second,
            LocalAgentHostPort:  tracerURL,
        },
    }.NewTracer()
    if err != nil {
        panic(err)
    }

    defer closer.Close()

    // set global tracer of this application
    opentracing.SetGlobalTracer(tracer)

    span, ctx := opentracing.StartSpanFromContext(context.Background(), "client")
    defer span.Finish()

    nativeDriver, err := ydb.Open(ctx,
        os.Getenv("YDB_CONNECTION_STRING"),
        tracing.WithTraces(tracing.WithDetails(trace.DetailsAll)),
    )
    if err != nil {
        panic(err)
    }
    defer nativeDriver.Close(ctx)

    connector, err := ydb.Connector(nativeDriver)
    if err != nil {
        panic(err)
    }

    db := sql.OpenDB(connector)
    defer db.Close()
    ...
}