在使用Go语言的go.opentelemetry.io/otel
库自定义TraceID时,可以按照以下步骤进行操作:
导入所需的依赖包:
import ( "context" "go.opentelemetry.io/otel/api/global" "go.opentelemetry.io/otel/codes" "go.opentelemetry.io/otel/label" "go.opentelemetry.io/otel/sdk/resource" "go.opentelemetry.io/otel/sdk/trace" traceOTLPExporter "go.opentelemetry.io/otel/exporters/otlp" )
创建和配置OTLP Exporter以将跟踪数据发送到远程目标(如OTLP收集器):
exporter, err := traceOTLPExporter.New( traceOTLPExporter.WithEndpoint("http://your-collector-endpoint:4317"), // 可根据需要添加其他配置选项 ) if err != nil { log.Fatalf("Failed to create OTLP exporter: %v", err) } defer func() { _ = exporter.Shutdown(context.Background()) }()
配置全局TracerProvider,设置自定义的TraceID生成策略:
tracerProvider := trace.NewTracerProvider( trace.WithSampler(trace.AlwaysSample()), trace.WithResource(resource.New(label.String("custom-resource-key", "custom-resource-value"))), // 添加其他配置选项 ) global.SetTracerProvider(tracerProvider) // 设置TraceID生成策略为自定义函数 GenerateCustomTraceID() global.SetTextMapPropagator(trace.NewCompositeTextMapPropagator(trace.Baggage{}, trace.TraceContext{}))
在代码中使用自定义的TraceID: “`go ctx, span := global.Tracer(“example”).Start(context.Background(), “customSpan”) defer span.End()
// 设置自定义TraceID,替换为你想要的TraceID span.SpanContext().SetTraceID(GenerateCustomTraceID()) “`
请根据具体需求修改和适应上述示例代码,并确保导入所需的依赖包。
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