Function classifySpan

modules/sentry/span_classifier.go:10–40

classifySpan extracts service graph metadata from raw span attributes. Returns peer_type ("db", "http", "cache", "queue", "unknown") and peer_address.

(span RawSpan)

// classifySpan extracts service graph metadata from raw span attributes.
// Returns peer_type ("db", "http", "cache", "queue", "unknown") and peer_address.
func classifySpan(span RawSpan) (peerType string, peerAddress string) {
	op := span.Op
	attrs := span.Data

	switch {
	case strings.HasPrefix(op, "db."):
		peerType = "db"
		peerAddress = firstNonEmpty(
			attrs["server.address"],
			attrs["db.server.address"],
			attrs["db.name"],
		)
	case op == "http.client":
		peerType = "http"
		if raw := attrs["http.url"]; raw != "" {
			if u, err := url.Parse(raw); err == nil {
				peerAddress = u.Host
			}
		}
	case strings.HasPrefix(op, "cache."):
		peerType = "cache"
		peerAddress = attrs["server.address"]
	case strings.HasPrefix(op, "queue."):
		peerType = "queue"
		peerAddress = attrs["messaging.destination"]
	default:
		peerType = "unknown"
	}

	return
}

// extractServiceName extracts the service name from span attributes or SDK info.
func extractServiceName(span RawSpan, sdk *SDK) string {