gamma: initial mesh conformance tests

conformance/conformance_test.go

@@ -63,7 +63,16 @@ func TestConformance(t *testing.T) {
 		EnableAllSupportedFeatures: *flags.EnableAllSupportedFeatures,
 	})
 	cSuite.Setup(t)
-	cSuite.Run(t, tests.ConformanceTests)
+
+	var toRun []suite.ConformanceTest
+	if supportedFeatures.Has(suite.SupportGateway) {
+		toRun = append(toRun, tests.ConformanceTests...)
+	}
+	if supportedFeatures.Has(suite.SupportGAMMA) {
+		toRun = append(toRun, tests.MeshConformanceTests...)
+	}
+
+	cSuite.Run(t, toRun)
 }
 
 // parseSupportedFeatures parses flag arguments and converts the string to

conformance/embed.go

@@ -18,5 +18,5 @@ package conformance
 
 import "embed"
 
-//go:embed tests/* base/*
+//go:embed tests/* base/* mesh/*
 var Manifests embed.FS

conformance/mesh/manifests.yaml

@@ -0,0 +1,130 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: gateway-conformance-mesh
+  labels:
+    gateway-conformance: infra
+---
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: echo-v1
+  namespace: gateway-conformance-mesh
+  labels:
+    app: echo
+spec:
+  selector:
+    matchLabels:
+      app: echo
+      version: v1
+  template:
+    metadata:
+      labels:
+        app: echo
+        version: v1
+    spec:
+      containers:
+      - name: echo
+        image: gcr.io/istio-testing/app:latest
+        imagePullPolicy: IfNotPresent
+        args:
+        - --tcp=9090
+        - --port=80
+        - --grpc=7070
+        - --port=443
+        - --tls=443
+        - --crt=/cert.crt
+        - --key=/cert.key
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: echo-v1
+  namespace: gateway-conformance-mesh
+spec:
+  selector:
+    app: echo
+    version: v1
+  ports:
+  - name: http
+    port: 80
+  - name: https
+    port: 443
+  - name: tcp
+    port: 9090
+  - name: tcp-sf
+    port: 9091
+  - name: grpc
+    port: 7070
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: echo-v2
+  namespace: gateway-conformance-mesh
+  labels:
+    app: echo
+spec:
+  selector:
+    matchLabels:
+      app: echo
+      version: v2
+  template:
+    metadata:
+      labels:
+        app: echo
+        version: v2
+    spec:
+      containers:
+      - name: echo
+        image: gcr.io/istio-testing/app:latest
+        imagePullPolicy: IfNotPresent
+        args:
+        - --tcp=9090
+        - --port=80
+        - --grpc=7070
+        - --port=443
+        - --tls=443
+        - --crt=/cert.crt
+        - --key=/cert.key
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: echo-v2
+  namespace: gateway-conformance-mesh
+spec:
+  selector:
+    app: echo
+    version: v2
+  ports:
+  - name: http
+    port: 80
+  - name: https
+    port: 443
+  - name: tcp
+    port: 9090
+  - name: grpc
+    port: 7070
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: echo
+  namespace: gateway-conformance-mesh
+spec:
+  selector:
+    app: echo
+  ports:
+  - name: http
+    port: 80
+  - name: https
+    port: 443
+  - name: tcp
+    port: 9090
+  - name: tcp-sf
+    port: 9091
+  - name: grpc
+    port: 7070

conformance/tests/main.go

@@ -19,3 +19,4 @@ package tests
 import "sigs.k8s.io/gateway-api/conformance/utils/suite"
 
 var ConformanceTests []suite.ConformanceTest
+var MeshConformanceTests []suite.ConformanceTest

conformance/tests/mesh-basic.go

@@ -0,0 +1,55 @@
+/*
+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"
+
+	"sigs.k8s.io/gateway-api/conformance/utils/echo"
+	"sigs.k8s.io/gateway-api/conformance/utils/http"
+	"sigs.k8s.io/gateway-api/conformance/utils/suite"
+)
+
+func init() {
+	MeshConformanceTests = append(MeshConformanceTests, MeshBasic)
+}
+
+var MeshBasic = suite.ConformanceTest{
+	ShortName:   "MeshBasic",
+	Description: "A mesh client can communicate with a mesh server. This tests basic reachability with no configuration applied.",
+	Manifests:   []string{},
+	Test: func(t *testing.T, s *suite.ConformanceTestSuite) {
+		client := echo.ConnectToApp(t, s, echo.MeshAppEchoV1)
+		cases := []http.ExpectedResponse{{
+			Request: http.Request{
+				Host:   "echo",
+				Method: "GET",
+			},
+			Response: http.Response{
+				StatusCode: 200,
+			},
+		}}
+		for i := range cases {
+			// Declare tc here to avoid loop variable
+			// reuse issues across parallel tests.
+			tc := cases[i]
+			t.Run(tc.GetTestCaseName(i), func(t *testing.T) {
+				client.SendRequest(t, tc)
+			})
+		}
+	},
+}

conformance/tests/mesh-split.go

@@ -0,0 +1,70 @@
+/*
+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"
+
+	"sigs.k8s.io/gateway-api/conformance/utils/echo"
+	"sigs.k8s.io/gateway-api/conformance/utils/http"
+	"sigs.k8s.io/gateway-api/conformance/utils/suite"
+)
+
+func init() {
+	MeshConformanceTests = append(MeshConformanceTests, MeshTrafficSplit)
+}
+
+var MeshTrafficSplit = suite.ConformanceTest{
+	ShortName:   "MeshTrafficSplit",
+	Description: "A mesh client can send traffic to a Service which is split between two versions",
+	Manifests:   []string{"tests/mesh-split.yaml"},
+	Test: func(t *testing.T, s *suite.ConformanceTestSuite) {
+		client := echo.ConnectToApp(t, s, echo.MeshAppEchoV1)
+		cases := []http.ExpectedResponse{
+			{
+				Request: http.Request{
+					Host:   "echo",
+					Method: "GET",
+					Path:   "/v1",
+				},
+				Response: http.Response{
+					StatusCode: 200,
+				},
+				Backend: "echo-v1",
+			},
+			{
+				Request: http.Request{
+					Host:   "echo",
+					Method: "GET",
+					Path:   "/v2",
+				},
+				Response: http.Response{
+					StatusCode: 200,
+				},
+				Backend: "echo-v2",
+			},
+		}
+		for i := range cases {
+			// Declare tc here to avoid loop variable
+			// reuse issues across parallel tests.
+			tc := cases[i]
+			t.Run(tc.GetTestCaseName(i), func(t *testing.T) {
+				client.SendRequest(t, tc)
+			})
+		}
+	},
+}

conformance/tests/mesh-split.yaml

@@ -0,0 +1,24 @@
+apiVersion: gateway.networking.k8s.io/v1beta1
+kind: HTTPRoute
+metadata:
+  name: mesh-split
+  namespace: gateway-conformance-mesh
+spec:
+  parentRefs:
+  - kind: Service
+    name: echo
+  rules:
+  - matches:
+    - path:
+        type: Exact
+        value: /v1
+    backendRefs:
+    - name: echo-v1
+      port: 80
+  - matches:
+    - path:
+        type: Exact
+        value: /v2
+    backendRefs:
+    - name: echo-v2
+      port: 80