20 lines
436 B
Go
20 lines
436 B
Go
package tracing
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import (
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"context"
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"go.opentelemetry.io/otel/trace"
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)
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var emptyTraceID = [16]byte{}
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// GetTraceID retrieves the trace ID from the provided context.
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// It returns an empty string if no trace ID is found.
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func GetTraceID(ctx context.Context) string {
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span := trace.SpanFromContext(ctx)
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if span == nil || span.SpanContext().TraceID() == emptyTraceID {
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return ""
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}
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return span.SpanContext().TraceID().String()
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}
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