API Server: Include traceID in HTTP request logs (#88179)

pkg/apiserver/endpoints/filters/tracing_log.go

@@ -0,0 +1,26 @@
+package filters
+
+import (
+	"net/http"
+
+	"go.opentelemetry.io/otel/trace"
+	"k8s.io/apiserver/pkg/server/httplog"
+)
+
+// WithTracingHTTPLoggingAttributes adds tracing attributes to HTTP request logs.
+func WithTracingHTTPLoggingAttributes(handler http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		spanCtx := trace.SpanContextFromContext(r.Context())
+		if spanCtx.IsValid() {
+			if spanCtx.HasTraceID() {
+				httplog.AddKeyValue(r.Context(), "traceID", spanCtx.TraceID().String())
+			}
+
+			if spanCtx.HasSpanID() {
+				httplog.AddKeyValue(r.Context(), "spanID", spanCtx.SpanID().String())
+			}
+		}
+
+		handler.ServeHTTP(w, r)
+	})
+}