fix: Remove backendRefs when using RequestRedirect

Signed-off-by: omar <omar.hammami@solo.io>

Author: puertomontt

pkg/i2gw/implementations/kgateway/ssl_redirect.go

@@ -73,6 +73,9 @@ func applySSLRedirectPolicy(
 					},
 				},
 			)
+			// RequestRedirect filters cannot be used with backendRefs per Gateway API spec
+			// Remove backendRefs when redirecting
+			httpRouteContext.Spec.Rules[ruleIdx].BackendRefs = nil
 		}
 	}
 }

pkg/i2gw/implementations/kgateway/testing/testdata/output/ssl_redirect.yaml

@@ -31,10 +31,7 @@ spec:
   parentRefs:
     - name: nginx
   rules:
-    - backendRefs:
-        - name: myservice2
-          port: 80
-      filters:
+    - filters:
         - requestRedirect:
             scheme: https
             statusCode: 301
@@ -59,10 +56,7 @@ spec:
   parentRefs:
     - name: nginx
   rules:
-    - backendRefs:
-        - name: myservice
-          port: 80
-      filters:
+    - filters:
         - requestRedirect:
             scheme: https
             statusCode: 301
@@ -71,10 +65,7 @@ spec:
         - path:
             type: PathPrefix
             value: /
-    - backendRefs:
-        - name: myservice
-          port: 80
-      filters:
+    - filters:
         - requestRedirect:
             scheme: https
             statusCode: 301
@@ -83,10 +74,7 @@ spec:
         - path:
             type: PathPrefix
             value: /api
-    - backendRefs:
-        - name: myservice
-          port: 80
-      filters:
+    - filters:
         - requestRedirect:
             scheme: https
             statusCode: 301