Feat: add HTTPRoute-rule name to envoy route metadata

internal/gatewayapi/route.go

@@ -302,6 +302,7 @@ func (t *Translator) processHTTPRouteRule(httpRoute *HTTPRouteContext, ruleIdx i
 		irRoute := &ir.HTTPRoute{
 			Name: irRouteName(httpRoute, ruleIdx, -1),
 		}
+		irRoute.Metadata = buildRouteMetadata(httpRoute, rule.Name)
 		processRouteTimeout(irRoute, rule)
 		applyHTTPFiltersContextToIRRoute(httpFiltersContext, irRoute)
 		ruleRoutes = append(ruleRoutes, irRoute)
@@ -362,6 +363,7 @@ func (t *Translator) processHTTPRouteRule(httpRoute *HTTPRouteContext, ruleIdx i
 			Name:               irRouteName(httpRoute, ruleIdx, matchIdx),
 			SessionPersistence: sessionPersistence,
 		}
+		irRoute.Metadata = buildRouteMetadata(httpRoute, rule.Name)
 		processRouteTimeout(irRoute, rule)
 
 		if match.Path != nil {
@@ -595,6 +597,7 @@ func (t *Translator) processGRPCRouteRule(grpcRoute *GRPCRouteContext, ruleIdx i
 		irRoute := &ir.HTTPRoute{
 			Name: irRouteName(grpcRoute, ruleIdx, -1),
 		}
+		irRoute.Metadata = buildRouteMetadata(grpcRoute, rule.Name)
 		applyHTTPFiltersContextToIRRoute(httpFiltersContext, irRoute)
 		ruleRoutes = append(ruleRoutes, irRoute)
 	}
@@ -606,7 +609,7 @@ func (t *Translator) processGRPCRouteRule(grpcRoute *GRPCRouteContext, ruleIdx i
 		irRoute := &ir.HTTPRoute{
 			Name: irRouteName(grpcRoute, ruleIdx, matchIdx),
 		}
-
+		irRoute.Metadata = buildRouteMetadata(grpcRoute, rule.Name)
 		for _, headerMatch := range match.Headers {
 			switch GRPCHeaderMatchTypeDerefOr(headerMatch.Type, gwapiv1.GRPCHeaderMatchExact) {
 			case gwapiv1.GRPCHeaderMatchExact:
@@ -696,7 +699,6 @@ func (t *Translator) processHTTPRouteParentRefListener(route RouteContext, route
 			continue
 		}
 		hasHostnameIntersection = true
-		routeMetadata := buildRouteMetadata(route)
 
 		var perHostRoutes []*ir.HTTPRoute
 		for _, host := range hosts {
@@ -723,7 +725,7 @@ func (t *Translator) processHTTPRouteParentRefListener(route RouteContext, route
 				underscoredHost := strings.ReplaceAll(host, ".", "_")
 				hostRoute := &ir.HTTPRoute{
 					Name:                  fmt.Sprintf("%s/%s", routeRoute.Name, underscoredHost),
-					Metadata:              routeMetadata,
+					Metadata:              routeRoute.Metadata,
 					Hostname:              host,
 					PathMatch:             routeRoute.PathMatch,
 					HeaderMatches:         routeRoute.HeaderMatches,
@@ -764,13 +766,17 @@ func (t *Translator) processHTTPRouteParentRefListener(route RouteContext, route
 	return hasHostnameIntersection
 }
 
-func buildRouteMetadata(route RouteContext) *ir.ResourceMetadata {
-	return &ir.ResourceMetadata{
+func buildRouteMetadata(route RouteContext, sectionName *gwapiv1.SectionName) *ir.ResourceMetadata {
+	metadata := &ir.ResourceMetadata{
 		Kind:        route.GetObjectKind().GroupVersionKind().Kind,
 		Name:        route.GetName(),
 		Namespace:   route.GetNamespace(),
 		Annotations: filterEGPrefix(route.GetAnnotations()),
 	}
+	if sectionName != nil {
+		metadata.SectionName = string(*sectionName)
+	}
+	return metadata
 }
 
 func filterEGPrefix(in map[string]string) map[string]string {

internal/gatewayapi/testdata/grpcroute-with-backend.in.yaml

@@ -36,6 +36,7 @@ grpcRoutes:
       - group: gateway.envoyproxy.io
         kind: Backend
         name: backend-ip
+      name: grpcrule-1
 backends:
 - apiVersion: gateway.envoyproxy.io/v1alpha1
   kind: Backend

internal/gatewayapi/testdata/grpcroute-with-backend.out.yaml

@@ -82,6 +82,7 @@ grpcRoutes:
       - method:
           service: com.[A-Z]+
           type: RegularExpression
+      name: grpcrule-1
   status:
     parents:
     - conditions:
@@ -150,6 +151,7 @@ xdsIR:
           kind: GRPCRoute
           name: grpcroute-1
           namespace: default
+          sectionName: grpcrule-1
         name: grpcroute/default/grpcroute-1/rule/0/match/1/*
         pathMatch:
           distinct: false
@@ -167,6 +169,7 @@ xdsIR:
           kind: GRPCRoute
           name: grpcroute-1
           namespace: default
+          sectionName: grpcrule-1
         name: grpcroute/default/grpcroute-1/rule/0/match/0/*
         pathMatch:
           distinct: false

internal/gatewayapi/testdata/httproute-with-metadata.in.yaml

@@ -31,4 +31,13 @@ httpRoutes:
     - backendRefs:
       - name: service-1
         port: 8080
-
+      name: rule-1
+    - backendRefs:
+      - name: service-1
+        port: 8080
+      matches:
+      - headers:
+        - type: Exact
+          name: foo
+          value: bar
+      name: rule-2

internal/gatewayapi/testdata/httproute-with-metadata.out.yaml

@@ -58,6 +58,16 @@ httpRoutes:
     - backendRefs:
       - name: service-1
         port: 8080
+      name: rule-1
+    - backendRefs:
+      - name: service-1
+        port: 8080
+      matches:
+      - headers:
+        - name: foo
+          type: Exact
+          value: bar
+      name: rule-2
   status:
     parents:
     - conditions:
@@ -113,6 +123,29 @@ xdsIR:
         mergeSlashes: true
       port: 10080
       routes:
+      - destination:
+          name: httproute/default/httproute-1/rule/1
+          settings:
+          - addressType: IP
+            endpoints:
+            - host: 7.7.7.7
+              port: 8080
+            protocol: HTTP
+            weight: 1
+        headerMatches:
+        - distinct: false
+          exact: bar
+          name: foo
+        hostname: '*'
+        isHTTP2: false
+        metadata:
+          annotations:
+            foo: bar
+          kind: HTTPRoute
+          name: httproute-1
+          namespace: default
+          sectionName: rule-2
+        name: httproute/default/httproute-1/rule/1/match/0/*
       - destination:
           name: httproute/default/httproute-1/rule/0
           settings:
@@ -130,4 +163,5 @@ xdsIR:
           kind: HTTPRoute
           name: httproute-1
           namespace: default
+          sectionName: rule-1
         name: httproute/default/httproute-1/rule/0/match/-1/*