conformance: add attachedRoutes to conformance tests

conformance/tests/gateway-invalid-route-kind.go

@@ -46,6 +46,7 @@ var GatewayInvalidRouteKind = suite.ConformanceTest{
 					Status: metav1.ConditionFalse,
 					Reason: string(v1beta1.ListenerReasonInvalidRouteKinds),
 				}},
+				AttachedRoutes: 0,
 			}}
 
 			kubernetes.GatewayStatusMustHaveListeners(t, s.Client, s.TimeoutConfig, gwNN, listeners)
@@ -64,6 +65,7 @@ var GatewayInvalidRouteKind = suite.ConformanceTest{
 					Status: metav1.ConditionFalse,
 					Reason: string(v1beta1.ListenerReasonInvalidRouteKinds),
 				}},
+				AttachedRoutes: 0,
 			}}
 
 			kubernetes.GatewayStatusMustHaveListeners(t, s.Client, s.TimeoutConfig, gwNN, listeners)

conformance/tests/gateway-invalid-tls-certificateref.go

@@ -47,6 +47,7 @@ var GatewayInvalidTLSConfiguration = suite.ConformanceTest{
 				Status: metav1.ConditionFalse,
 				Reason: string(v1beta1.ListenerReasonInvalidCertificateRef),
 			}},
+			AttachedRoutes: 0,
 		}}
 
 		testCases := []struct {

conformance/tests/gateway-secret-invalid-reference-grant.go

@@ -51,6 +51,7 @@ var GatewaySecretInvalidReferenceGrant = suite.ConformanceTest{
 					Status: metav1.ConditionFalse,
 					Reason: string(v1beta1.ListenerReasonRefNotPermitted),
 				}},
+				AttachedRoutes: 0,
 			}}
 
 			kubernetes.GatewayStatusMustHaveListeners(t, s.Client, s.TimeoutConfig, gwNN, listeners)

conformance/tests/gateway-secret-missing-reference-grant.go

@@ -51,6 +51,7 @@ var GatewaySecretMissingReferenceGrant = suite.ConformanceTest{
 					Status: metav1.ConditionFalse,
 					Reason: string(v1beta1.ListenerReasonRefNotPermitted),
 				}},
+				AttachedRoutes: 0,
 			}}
 
 			kubernetes.GatewayStatusMustHaveListeners(t, s.Client, s.TimeoutConfig, gwNN, listeners)

conformance/tests/gateway-secret-reference-grant-all-in-namespace.go

@@ -53,6 +53,7 @@ var GatewaySecretReferenceGrantAllInNamespace = suite.ConformanceTest{
 						Reason: string(v1beta1.ListenerConditionProgrammed),
 					},
 				},
+				AttachedRoutes: 0,
 			}}
 
 			kubernetes.GatewayStatusMustHaveListeners(t, s.Client, s.TimeoutConfig, gwNN, listeners)

conformance/tests/gateway-secret-reference-grant-specific.go

@@ -53,6 +53,7 @@ var GatewaySecretReferenceGrantSpecific = suite.ConformanceTest{
 						Reason: string(v1beta1.ListenerReasonProgrammed),
 					},
 				},
+				AttachedRoutes: 0,
 			}}
 
 			kubernetes.GatewayStatusMustHaveListeners(t, s.Client, s.TimeoutConfig, gwNN, listeners)

conformance/tests/gateway-with-attached-routes.go

@@ -0,0 +1,77 @@
+/*
+Copyright 2022 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"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/types"
+
+	"sigs.k8s.io/gateway-api/apis/v1beta1"
+	"sigs.k8s.io/gateway-api/conformance/utils/kubernetes"
+	"sigs.k8s.io/gateway-api/conformance/utils/suite"
+)
+
+func init() {
+	ConformanceTests = append(ConformanceTests, GatewayWithAttachedRoutes)
+}
+
+var GatewayWithAttachedRoutes = suite.ConformanceTest{
+	ShortName:   "GatewayWithAttachedRoutes",
+	Description: "A Gateway in the gateway-conformance-infra namespace should be attached to routes.",
+	Manifests:   []string{"tests/gateway-with-attached-routes.yaml"},
+	Test: func(t *testing.T, s *suite.ConformanceTestSuite) {
+		t.Run("Gateway listener should have one valid http routes attached", func(t *testing.T) {
+			gwNN := types.NamespacedName{Name: "gateway-with-one-attached-route", Namespace: "gateway-conformance-infra"}
+			listeners := []v1beta1.ListenerStatus{{
+				Name: v1beta1.SectionName("http"),
+				SupportedKinds: []v1beta1.RouteGroupKind{{
+					Group: (*v1beta1.Group)(&v1beta1.GroupVersion.Group),
+					Kind:  v1beta1.Kind("HTTPRoute"),
+				}},
+				Conditions: []metav1.Condition{{
+					Type:   string(v1beta1.RouteConditionAccepted),
+					Status: metav1.ConditionTrue,
+					Reason: "", //any reason
+				}},
+				AttachedRoutes: 1,
+			}}
+
+			kubernetes.GatewayStatusMustHaveListeners(t, s.Client, s.TimeoutConfig, gwNN, listeners)
+		})
+
+		t.Run("Gateway listener should have two valid http routes attached", func(t *testing.T) {
+			gwNN := types.NamespacedName{Name: "gateway-with-two-attached-routes", Namespace: "gateway-conformance-infra"}
+			listeners := []v1beta1.ListenerStatus{{
+				Name: v1beta1.SectionName("http"),
+				SupportedKinds: []v1beta1.RouteGroupKind{{
+					Group: (*v1beta1.Group)(&v1beta1.GroupVersion.Group),
+					Kind:  v1beta1.Kind("HTTPRoute"),
+				}},
+				Conditions: []metav1.Condition{{
+					Type:   string(v1beta1.RouteConditionAccepted),
+					Status: metav1.ConditionTrue,
+					Reason: "", //any reason
+				}},
+				AttachedRoutes: 2,
+			}}
+
+			kubernetes.GatewayStatusMustHaveListeners(t, s.Client, s.TimeoutConfig, gwNN, listeners)
+		})
+	},
+}

conformance/tests/gateway-with-attached-routes.yaml

@@ -0,0 +1,88 @@
+apiVersion: gateway.networking.k8s.io/v1beta1
+kind: Gateway
+metadata:
+  name: gateway-with-one-attached-route
+  namespace: gateway-conformance-infra
+spec:
+  gatewayClassName: "{GATEWAY_CLASS_NAME}"
+  listeners:
+  - name: http
+    port: 80
+    protocol: HTTP
+    allowedRoutes:
+      kinds: 
+        - kind: HTTPRoute
+      namespaces:
+        from: Selector
+        selector:
+          matchLabels:
+            # This label is added automatically as of K8s 1.22
+            # to all namespaces
+            kubernetes.io/metadata.name: gateway-conformance-infra
+---
+apiVersion: gateway.networking.k8s.io/v1beta1
+kind: HTTPRoute
+metadata:
+  name: http-route-1
+  namespace: gateway-conformance-infra
+spec:
+  parentRefs:
+  - kind: Gateway
+    name: gateway-with-one-attached-route
+    namespace: gateway-conformance-infra
+  rules:
+  - backendRefs:
+    - name: foo-svc
+      port: 8080
+---
+apiVersion: gateway.networking.k8s.io/v1beta1
+kind: Gateway
+metadata:
+  name: gateway-with-two-attached-routes
+  namespace: gateway-conformance-infra
+spec:
+  gatewayClassName: "{GATEWAY_CLASS_NAME}"
+  listeners:
+  - name: http
+    port: 80
+    protocol: HTTP
+    allowedRoutes:
+      kinds: 
+        - kind: HTTPRoute
+      namespaces:
+        from: Selector
+        selector:
+          matchLabels:
+            # This label is added automatically as of K8s 1.22
+            # to all namespaces
+            kubernetes.io/metadata.name: gateway-conformance-infra
+---
+apiVersion: gateway.networking.k8s.io/v1beta1
+kind: HTTPRoute
+metadata:
+  name: http-route-2
+  namespace: gateway-conformance-infra
+spec:
+  parentRefs:
+  - kind: Gateway
+    name: gateway-with-two-attached-routes
+    namespace: gateway-conformance-infra
+  rules:
+  - backendRefs:
+    - name: foo-svc
+      port: 8080
+---
+apiVersion: gateway.networking.k8s.io/v1beta1
+kind: HTTPRoute
+metadata:
+  name: http-route-3
+  namespace: gateway-conformance-infra
+spec:
+  parentRefs:
+  - kind: Gateway
+    name: gateway-with-two-attached-routes
+    namespace: gateway-conformance-infra
+  rules:
+  - backendRefs:
+    - name: foo-svc
+      port: 8080