Update pkg/body-based-routing/README.md

Co-authored-by: Rob Scott <[email protected]>

Author: rramkumar1

Diff for: pkg/body-based-routing/handlers/request.go

@@ -17,22 +17,28 @@ limitations under the License.
 package handlers
 
 import (
+	"context"
 	"fmt"
 	"encoding/json"
 
+        "sigs.k8s.io/controller-runtime/pkg/log"
+	logutil "sigs.k8s.io/gateway-api-inference-extension/pkg/epp/util/logging"
 	basepb "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
 	eppb "github.com/envoyproxy/go-control-plane/envoy/service/ext_proc/v3"
 )
 
 // HandleRequestBody handles request bodies.
-func (s *Server) HandleRequestBody(body *eppb.HttpBody) (*eppb.ProcessingResponse, error) {
+func (s *Server) HandleRequestBody(ctx context.Context, body *eppb.HttpBody) (*eppb.ProcessingResponse, error) {
+	logger := log.FromContext(ctx)
+
 	var data map[string]any
 	if err := json.Unmarshal(body.GetBody(), &data); err != nil {
 		return nil, err
 	}
 
 	modelVal, ok := data["model"]
 	if !ok {
+		logger.V(logutil.DEFAULT).Info("Request body does not contain model parameter")
 		return &eppb.ProcessingResponse{
 			Response: &eppb.ProcessingResponse_RequestBody{
 				RequestBody: &eppb.BodyResponse{},
@@ -42,6 +48,7 @@ func (s *Server) HandleRequestBody(body *eppb.HttpBody) (*eppb.ProcessingRespons
 
 	modelStr, ok := modelVal.(string)
 	if !ok {
+		logger.V(logutil.DEFAULT).Error("Model parameter value is not a string")
 		return &eppb.ProcessingResponse{
 			Response: &eppb.ProcessingResponse_RequestBody{
 				RequestBody: &eppb.BodyResponse{},

Diff for: pkg/body-based-routing/server/runserver.go

@@ -74,7 +74,6 @@ func (r *ExtProcServerRunner) AsRunnable(logger logr.Logger) manager.Runnable {
 	}))
 }
 
-// TODO(rramkumar1): This function is also implemented on the EPP side. We should share code.
 func createSelfSignedTLSCertificate(logger logr.Logger) (tls.Certificate, error) {
 	serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
 	serialNumber, err := rand.Int(rand.Reader, serialNumberLimit)