Handle nil error when port not defined in service with Gateway API. (#…

…1230)

* Handle nil error when port not defined in service with Gateway API. Handle no method is specified in Route.

* Simplify backenRef in route.go

kong2kic/route.go

@@ -356,13 +356,16 @@ func populateKICIngressesWithGatewayAPI(content *file.Content, kicContent *KICCo
 			})
 
 			// add service details to HTTPBackendRef
-			portNumber := k8sgwapiv1.PortNumber(*service.Port)
+
 			backendRef := k8sgwapiv1.BackendRef{
 				BackendObjectReference: k8sgwapiv1.BackendObjectReference{
 					Name: k8sgwapiv1.ObjectName(*service.Name),
-					Port: &portNumber,
 				},
 			}
+			if service.Port != nil {
+				portNumber := k8sgwapiv1.PortNumber(*service.Port)
+				backendRef.Port = &portNumber
+			}
 
 			var httpHeaderMatch []k8sgwapiv1.HTTPHeaderMatch
 			headerMatchExact := k8sgwapiv1.HeaderMatchExact
@@ -413,6 +416,23 @@ func populateKICIngressesWithGatewayAPI(content *file.Content, kicContent *KICCo
 						httpPathMatch.Value = path
 					}
 
+					// if no method is specified, add a httpRouteRule to the httpRoute with headers and path
+					if route.Methods == nil {
+						httpRoute.Spec.Rules = append(httpRoute.Spec.Rules, k8sgwapiv1.HTTPRouteRule{
+							Matches: []k8sgwapiv1.HTTPRouteMatch{
+								{
+									Path:    &httpPathMatch,
+									Headers: httpHeaderMatch,
+								},
+							},
+							BackendRefs: []k8sgwapiv1.HTTPBackendRef{
+								{
+									BackendRef: backendRef,
+								},
+							},
+						})
+					}
+
 					for _, method := range route.Methods {
 						httpMethod := k8sgwapiv1.HTTPMethod(*method)
 						httpRoute.Spec.Rules = append(httpRoute.Spec.Rules, k8sgwapiv1.HTTPRouteRule{

kong2kic/upstream.go

@@ -29,14 +29,14 @@ func populateKICUpstreamPolicy(
 			return
 		}
 
-		k8sservice.ObjectMeta.Annotations["konghq.com/upstream-policy"] = kongUpstreamPolicy.ObjectMeta.Name
-
 		// Find the upstream (if any) whose name matches the service host and copy the upstream
 		// into kongUpstreamPolicy. Append the kongUpstreamPolicy to kicContent.KongUpstreamPolicies.
 		found := false
 		for _, upstream := range content.Upstreams {
 			if upstream.Name != nil && strings.EqualFold(*upstream.Name, *service.Host) {
 				found = true
+				// add an annotation to the k8sservice to link this kongUpstreamPolicy to it
+				k8sservice.ObjectMeta.Annotations["konghq.com/upstream-policy"] = kongUpstreamPolicy.ObjectMeta.Name
 				var threshold int
 				if upstream.Healthchecks != nil && upstream.Healthchecks.Threshold != nil {
 					threshold = int(*upstream.Healthchecks.Threshold)