feat: support custom gatewayproxy namespace for ingressclass

internal/controller/ingressclass_controller.go

@@ -191,6 +191,10 @@ func (r *IngressClassReconciler) processInfrastructure(tctx *provider.TranslateC
 	if ingressClass.Spec.Parameters.Namespace != nil {
 		namespace = *ingressClass.Spec.Parameters.Namespace
 	}
+	// Check for annotation override
+	if annotationNamespace, exists := ingressClass.Annotations[gatewayProxyNamespaceAnnotation]; exists && annotationNamespace != "" {
+		namespace = annotationNamespace
+	}
 
 	gatewayProxy := new(v1alpha1.GatewayProxy)
 	if err := r.Get(context.Background(), client.ObjectKey{

internal/controller/ingressclass_v1beta1_controller.go

@@ -188,12 +188,17 @@ func (r *IngressClassV1beta1Reconciler) processInfrastructure(tctx *provider.Tra
 	}
 
 	// Since v1beta1 does not support specifying the target namespace,
-	// and GatewayProxy is a namespace-scoped resource, we default to using
-	// the "default" namespace for convenience.
+	// and GatewayProxy is a namespace-scoped resource, we first check
+	// for the annotation, then fall back to the spec field, and finally
+	// default to "default" namespace for convenience.
 	namespace := "default"
 	if IngressClassV1beta1.Spec.Parameters.Namespace != nil {
 		namespace = *IngressClassV1beta1.Spec.Parameters.Namespace
 	}
+	// Check for annotation override
+	if annotationNamespace, exists := IngressClassV1beta1.Annotations[gatewayProxyNamespaceAnnotation]; exists && annotationNamespace != "" {
+		namespace = annotationNamespace
+	}
 
 	gatewayProxy := new(v1alpha1.GatewayProxy)
 	if err := r.Get(tctx, client.ObjectKey{

internal/controller/utils.go

@@ -77,7 +77,10 @@ const (
 	KindApisixConsumer     = "ApisixConsumer"
 )
 
-const defaultIngressClassAnnotation = "ingressclass.kubernetes.io/is-default-class"
+const (
+	defaultIngressClassAnnotation   = "ingressclass.kubernetes.io/is-default-class"
+	gatewayProxyNamespaceAnnotation = "apisix.apache.org/gatewayproxy-namespace"
+)
 
 var (
 	ErrNoMatchingListenerHostname = errors.New("no matching hostnames in listener")
@@ -1323,6 +1326,9 @@ func ProcessIngressClassParameters(tctx *provider.TranslateContext, c client.Cli
 		if parameters.Namespace != nil {
 			ns = *parameters.Namespace
 		}
+		if annotationNamespace, exists := ingressClass.Annotations[gatewayProxyNamespaceAnnotation]; exists && annotationNamespace != "" {
+			ns = annotationNamespace
+		}
 
 		gatewayProxy := &v1alpha1.GatewayProxy{}
 		if err := c.Get(tctx, client.ObjectKey{

test/e2e/crds/v2/basic.go

@@ -18,9 +18,16 @@
 package v2
 
 import (
+	"fmt"
+	"net/http"
+	"time"
+
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
+	"k8s.io/apimachinery/pkg/types"
 
+	apiv2 "github.com/apache/apisix-ingress-controller/api/v2"
+	"github.com/apache/apisix-ingress-controller/test/e2e/framework"
 	"github.com/apache/apisix-ingress-controller/test/e2e/scaffold"
 )
 
@@ -56,11 +63,14 @@ spec:
 `
 
 var _ = Describe("APISIX Standalone Basic Tests", Label("apisix.apache.org", "v2", "basic"), func() {
-	s := scaffold.NewScaffold(&scaffold.Options{
-		ControllerName: "apisix.apache.org/apisix-ingress-controller",
-	})
+	var (
+		s = scaffold.NewScaffold(&scaffold.Options{
+			ControllerName: "apisix.apache.org/apisix-ingress-controller",
+		})
+		applier = framework.NewApplier(s.GinkgoT, s.K8sClient, s.CreateResourceFromString)
+	)
 
-	Describe("APISIX HTTP Proxy", func() {
+	Context("APISIX HTTP Proxy", func() {
 		It("should handle basic HTTP requests", func() {
 			httpClient := s.NewAPISIXClient()
 			Expect(httpClient).NotTo(BeNil())
@@ -83,6 +93,97 @@ var _ = Describe("APISIX Standalone Basic Tests", Label("apisix.apache.org", "v2
 				Expect().
 				Status(404).Body().Contains("404 Route Not Found")
 		})
+	})
+
+	Context("IngressClass Annotations", func() {
+		It("Basic tests", func() {
+			const gatewayProxyYaml = `
+apiVersion: apisix.apache.org/v1alpha1
+kind: GatewayProxy
+metadata:
+  name: apisix-proxy-config
+spec:
+  provider:
+    type: ControlPlane
+    controlPlane:
+      endpoints:
+      - %s
+      auth:
+        type: AdminKey
+        adminKey:
+          value: "%s"
+`
 
+			const ingressClassYaml = `
+apiVersion: networking.k8s.io/%s
+kind: IngressClass
+metadata:
+  name: apisix
+  annotations:
+    apisix.apache.org/gatewayproxy-namespace: %s
+spec:
+  controller: apisix.apache.org/apisix-ingress-controller
+  parameters:
+    apiGroup: apisix.apache.org
+    kind: GatewayProxy
+    name: apisix-proxy-config
+`
+
+			By("create GatewayProxy")
+			gatewayProxy := fmt.Sprintf(gatewayProxyYaml, s.Deployer.GetAdminEndpoint(), s.AdminKey())
+			err := s.CreateResourceFromString(gatewayProxy)
+			Expect(err).NotTo(HaveOccurred(), "creating GatewayProxy")
+			time.Sleep(5 * time.Second)
+
+			By("create IngressClass")
+			ingressClass := fmt.Sprintf(ingressClassYaml, framework.IngressVersion, s.Namespace())
+			err = s.CreateResourceFromString(ingressClass)
+			Expect(err).NotTo(HaveOccurred(), "creating IngressClass")
+			time.Sleep(5 * time.Second)
+
+			const apisixRouteSpec = `
+apiVersion: apisix.apache.org/v2
+kind: ApisixRoute
+metadata:
+  name: default
+spec:
+  ingressClassName: apisix
+  http:
+  - name: rule0
+    match:
+      hosts:
+      - httpbin
+      paths:
+      - %s
+    backends:
+    - serviceName: httpbin-service-e2e-test
+      servicePort: 80
+`
+			request := func(path string) int {
+				return s.NewAPISIXClient().GET(path).WithHost("httpbin").Expect().Raw().StatusCode
+			}
+
+			By("apply ApisixRoute")
+			var apisixRoute apiv2.ApisixRoute
+			applier.MustApplyAPIv2(types.NamespacedName{Namespace: s.Namespace(), Name: "default"}, &apisixRoute, fmt.Sprintf(apisixRouteSpec, "/get"))
+
+			By("verify ApisixRoute works")
+			Eventually(request).WithArguments("/get").WithTimeout(8 * time.Second).ProbeEvery(time.Second).Should(Equal(http.StatusOK))
+
+			By("update ApisixRoute")
+			applier.MustApplyAPIv2(types.NamespacedName{Namespace: s.Namespace(), Name: "default"}, &apisixRoute, fmt.Sprintf(apisixRouteSpec, "/headers"))
+			Eventually(request).WithArguments("/get").WithTimeout(8 * time.Second).ProbeEvery(time.Second).Should(Equal(http.StatusNotFound))
+			s.RequestAssert(&scaffold.RequestAssert{
+				Method: "GET",
+				Path:   "/headers",
+				Host:   "httpbin",
+				Check:  scaffold.WithExpectedStatus(http.StatusOK),
+			})
+
+			By("delete ApisixRoute")
+			err = s.DeleteResource("ApisixRoute", "default")
+			Expect(err).ShouldNot(HaveOccurred(), "deleting ApisixRoute")
+			Eventually(request).WithArguments("/headers").WithTimeout(8 * time.Second).ProbeEvery(time.Second).Should(Equal(http.StatusNotFound))
+		})
 	})
 })

test/e2e/crds/v2/route.go

@@ -132,9 +132,6 @@ spec:
 			Expect(bodyStr).Should(ContainSubstring("apisix_ingress_adc_sync_total"))
 			Expect(bodyStr).Should(ContainSubstring("apisix_ingress_status_update_queue_length"))
 			Expect(bodyStr).Should(ContainSubstring("apisix_ingress_file_io_duration_seconds"))
-
-			// Log metrics for debugging
-			fmt.Printf("Metrics endpoint response:\n%s\n", bodyStr)
 		})
 
 		It("Test plugins in ApisixRoute", func() {