conformance: TLSRoute with Terminate mode

conformance/tests/tlsroute-terminate-simple-same-namespace.go

@@ -0,0 +1,71 @@
+/*
+Copyright 2025 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package tests
+
+import (
+	"testing"
+
+	"k8s.io/apimachinery/pkg/types"
+
+	"sigs.k8s.io/gateway-api/conformance/utils/http"
+	"sigs.k8s.io/gateway-api/conformance/utils/kubernetes"
+	"sigs.k8s.io/gateway-api/conformance/utils/suite"
+	"sigs.k8s.io/gateway-api/conformance/utils/tls"
+	"sigs.k8s.io/gateway-api/pkg/features"
+)
+
+func init() {
+	ConformanceTests = append(ConformanceTests, TLSRouteTerminateSimpleSameNamespace)
+}
+
+var TLSRouteTerminateSimpleSameNamespace = suite.ConformanceTest{
+	ShortName:   "TLSRouteTerminateSimpleSameNamespace",
+	Description: "A single TLSRoute in the gateway-conformance-infra namespace attaches to a Gateway using Terminate mode in the same namespace",
+	Features: []features.FeatureName{
+		features.SupportGateway,
+		features.SupportTLSRoute,
+		features.SupportTLSRouteModeTerminate,
+	},
+	Manifests: []string{"tests/tlsroute-terminate-simple-same-namespace.yaml"},
+	Test: func(t *testing.T, suite *suite.ConformanceTestSuite) {
+		ns := "gateway-conformance-infra"
+		routeNN := types.NamespacedName{Name: "gateway-conformance-infra-test", Namespace: ns}
+		gwNN := types.NamespacedName{Name: "gateway-tlsroute-terminate", Namespace: ns}
+		certNN := types.NamespacedName{Name: "tls-checks-certificate", Namespace: ns}
+
+		kubernetes.NamespacesMustBeReady(t, suite.Client, suite.TimeoutConfig, []string{ns})
+
+		gwAddr, hostnames := kubernetes.GatewayAndTLSRoutesMustBeAccepted(t, suite.Client, suite.TimeoutConfig, suite.ControllerName, kubernetes.NewGatewayRef(gwNN), routeNN)
+		if len(hostnames) != 1 {
+			t.Fatalf("unexpected error in test configuration, found %d hostnames", len(hostnames))
+		}
+		serverStr := string(hostnames[0])
+
+		cPem, keyPem, err := GetTLSSecret(suite.Client, certNN)
+		if err != nil {
+			t.Fatalf("unexpected error finding TLS secret: %v", err)
+		}
+		t.Run("Simple TLS request matching TLSRoute should reach infra-backend", func(t *testing.T) {
+			tls.MakeTLSRequestAndExpectEventuallyConsistentResponse(t, suite.RoundTripper, suite.TimeoutConfig, gwAddr, cPem, keyPem, serverStr,
+				http.ExpectedResponse{
+					Request:   http.Request{Host: serverStr, Path: "/"},
+					Backend:   "infra-backend-v2",
+					Namespace: "gateway-conformance-infra",
+				})
+		})
+	},
+}

conformance/tests/tlsroute-terminate-simple-same-namespace.yaml

@@ -0,0 +1,37 @@
+apiVersion: gateway.networking.k8s.io/v1alpha3
+kind: TLSRoute
+metadata:
+  name: gateway-conformance-infra-test
+  namespace: gateway-conformance-infra
+spec:
+  parentRefs:
+  - name: gateway-tlsroute-terminate
+    namespace: gateway-conformance-infra
+  hostnames:
+  - abc.example.com
+  rules:
+  - backendRefs:
+    - name: infra-backend-v2
+      port: 8080
+---
+apiVersion: gateway.networking.k8s.io/v1
+kind: Gateway
+metadata:
+  name: gateway-tlsroute-terminate
+  namespace: gateway-conformance-infra
+spec:
+  gatewayClassName: "{GATEWAY_CLASS_NAME}"
+  listeners:
+  - name: https
+    port: 443
+    protocol: TLS
+    hostname: abc.example.com
+    allowedRoutes:
+      namespaces:
+        from: Same
+      kinds:
+      - kind: TLSRoute
+    tls:
+      mode: Terminate
+      certificateRefs:
+      - name: tls-checks-certificate

conformance/utils/suite/profiles.go

@@ -93,7 +93,10 @@ var (
 			features.SupportReferenceGrant,
 			features.SupportTLSRoute,
 		),
-		ExtendedFeatures: features.SetsToNamesSet(features.GatewayExtendedFeatures),
+		ExtendedFeatures: features.SetsToNamesSet(
+			features.GatewayExtendedFeatures,
+			features.TLSRouteExtendedFeatures,
+		),
 	}
 
 	// GatewayGRPCConformanceProfile is a ConformanceProfile that covers testing GRPC

pkg/features/features.go

@@ -58,6 +58,7 @@ var (
 			Insert(HTTPRouteCoreFeatures.UnsortedList()...).
 			Insert(HTTPRouteExtendedFeatures.UnsortedList()...).
 			Insert(TLSRouteCoreFeatures.UnsortedList()...).
+			Insert(TLSRouteExtendedFeatures.UnsortedList()...).
 			Insert(MeshCoreFeatures.UnsortedList()...).
 			Insert(MeshExtendedFeatures.UnsortedList()...).
 			Insert(GRPCRouteCoreFeatures.UnsortedList()...).

pkg/features/tlsroute.go

@@ -25,16 +25,33 @@ import "k8s.io/apimachinery/pkg/util/sets"
 const (
 	// This option indicates support for TLSRoute
 	SupportTLSRoute FeatureName = "TLSRoute"
+
+	// This option indicates support for TLSRoute mode Terminate (extended conformance)
+	SupportTLSRouteModeTerminate FeatureName = "TLSRouteModeTerminate"
 )
 
-// TLSRouteFeature contains metadata for the TLSRoute feature.
-var TLSRouteFeature = Feature{
-	Name:    SupportTLSRoute,
-	Channel: FeatureChannelExperimental,
-}
+var (
+	// TLSRouteFeature contains metadata for the TLSRoute feature.
+	TLSRouteFeature = Feature{
+		Name:    SupportTLSRoute,
+		Channel: FeatureChannelExperimental,
+	}
+	// TLSRouteModeTerminate contains metadata for the TLSRouteModeTerminate feature.
+	TLSRouteModeTerminateFeature = Feature{
+		Name:    SupportTLSRouteModeTerminate,
+		Channel: FeatureChannelExperimental,
+	}
+)
 
 // TLSCoreFeatures includes all the supported features for the TLSRoute API at
 // a Core level of support.
 var TLSRouteCoreFeatures = sets.New(
 	TLSRouteFeature,
 )
+
+// TLSRouteExtendedFeatures includes all extended features for TLSRoute
+// conformance and can be used to opt-in to run all TLSRoute extended features tests.
+// This does not include any Core Features.
+var TLSRouteExtendedFeatures = sets.New(
+	TLSRouteModeTerminateFeature,
+)