Basic GRPCRoute Conformance Tests

Makefile

@@ -81,6 +81,7 @@ test:
 	go test -race -cover ./apis/... ./conformance/utils/...
 # Run tests for each submodule.
 	cd "conformance/echo-basic" && go test -race -cover ./...
+	cd "conformance/grpc-echo" && go test -race -cover ./...
 	cd "gwctl" && go test -race -cover ./...
 
 # Run conformance tests against controller implementation

conformance/base/manifests.yaml

@@ -507,3 +507,144 @@ spec:
         resources:
           requests:
             cpu: 10m
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: grpc-infra-backend-v1
+  namespace: gateway-conformance-infra
+spec:
+  selector:
+    app: grpc-infra-backend-v1
+  ports:
+  - protocol: TCP
+    port: 8080
+    targetPort: 3000
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: grpc-infra-backend-v1
+  namespace: gateway-conformance-infra
+  labels:
+    app: grpc-infra-backend-v1
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: grpc-infra-backend-v1
+  template:
+    metadata:
+      labels:
+        app: grpc-infra-backend-v1
+    spec:
+      containers:
+      - name: grpc-infra-backend-v1
+	# TODO: Migate to gcr.io/k8s-staging-gateway-api once possible
+        image: us-docker.pkg.dev/grpc-testing/testing-images-public/gateway-api/grpcechoserver:alpha3
+        env:
+        - name: POD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name
+        - name: NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        resources:
+          requests:
+            cpu: 10m
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: grpc-infra-backend-v2
+  namespace: gateway-conformance-infra
+spec:
+  selector:
+    app: grpc-infra-backend-v2
+  ports:
+  - protocol: TCP
+    port: 8080
+    targetPort: 3000
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: grpc-infra-backend-v2
+  namespace: gateway-conformance-infra
+  labels:
+    app: grpc-infra-backend-v2
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: grpc-infra-backend-v2
+  template:
+    metadata:
+      labels:
+        app: grpc-infra-backend-v2
+    spec:
+      containers:
+      - name: grpc-infra-backend-v2
+	# TODO: Migate to gcr.io/k8s-staging-gateway-api once possible
+        image: us-docker.pkg.dev/grpc-testing/testing-images-public/gateway-api/grpcechoserver:alpha3
+        env:
+        - name: POD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name
+        - name: NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        resources:
+          requests:
+            cpu: 10m
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: grpc-infra-backend-v3
+  namespace: gateway-conformance-infra
+spec:
+  selector:
+    app: grpc-infra-backend-v3
+  ports:
+  - protocol: TCP
+    port: 8080
+    targetPort: 3000
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: grpc-infra-backend-v3
+  namespace: gateway-conformance-infra
+  labels:
+    app: grpc-infra-backend-v3
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: grpc-infra-backend-v3
+  template:
+    metadata:
+      labels:
+        app: grpc-infra-backend-v3
+    spec:
+      containers:
+      - name: grpc-infra-backend-v3
+	# TODO: Migate to gcr.io/k8s-staging-gateway-api once possible
+        image: us-docker.pkg.dev/grpc-testing/testing-images-public/gateway-api/grpcechoserver:alpha3
+        env:
+        - name: POD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name
+        - name: NAMESPACE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        resources:
+          requests:
+            cpu: 10m

conformance/grpc-echo/.gitignore

@@ -0,0 +1 @@
+grpc-echo

conformance/grpc-echo/go.mod

@@ -0,0 +1,16 @@
+module sigs.k8s.io/gateway-api/conformance/grpc-echo
+
+go 1.21
+
+require (
+	google.golang.org/grpc v1.53.0
+	google.golang.org/protobuf v1.28.1
+)
+
+require (
+	github.com/golang/protobuf v1.5.2 // indirect
+	golang.org/x/net v0.5.0 // indirect
+	golang.org/x/sys v0.4.0 // indirect
+	golang.org/x/text v0.6.0 // indirect
+	google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f // indirect
+)

conformance/grpc-echo/go.sum

@@ -0,0 +1,21 @@
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
+github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+golang.org/x/net v0.5.0 h1:GyT4nK/YDHSqa1c4753ouYCDajOYKTja9Xb/OHtgvSw=
+golang.org/x/net v0.5.0/go.mod h1:DivGGAXEgPSlEBzxGzZI+ZLohi+xUj054jfeKui00ws=
+golang.org/x/sys v0.4.0 h1:Zr2JFtRQNX3BCZ8YtxRE9hNJYC8J6I1MVbMg6owUp18=
+golang.org/x/sys v0.4.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/text v0.6.0 h1:3XmdazWV+ubf7QgHSTWeykHOci5oeekaGJBLkrkaw4k=
+golang.org/x/text v0.6.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f h1:BWUVssLB0HVOSY78gIdvk1dTVYtT1y8SBWtPYuTJ/6w=
+google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f/go.mod h1:RGgjbofJ8xD9Sq1VVhDM1Vok1vRONV+rg+CjzG4SZKM=
+google.golang.org/grpc v1.53.0 h1:LAv2ds7cmFV/XTS3XG1NneeENYrXGmorPxsBbptIjNc=
+google.golang.org/grpc v1.53.0/go.mod h1:OnIrk0ipVdj4N5d9IUoFUx72/VlD7+jUsHwZgwSMQpw=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
+google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=

conformance/grpc-echo/grpcecho.proto

@@ -0,0 +1,95 @@
+// Copyright 2024 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.
+
+syntax = "proto3";
+
+option go_package = "sigs.k8s.io/gateway-api/conformance/grpc-echo/grpcechoserver";
+
+package gateway_api_conformance.grpc_echo.grpcecho;
+
+message Header {
+	string key = 1;
+	string value = 2;
+}
+
+message Context {
+	// The Kubernetes namespace in which this server is running. Populated by the
+	// NAMESPACE environment variable.
+	string namespace = 1;
+
+	// The name of the ingress controller under test. Populated by the INGRESS_NAME
+	// environment variable.
+	string ingress = 2;
+
+	// The name service cannot be used here since it is a reserved word. Populated by the
+	// SERVICE_NAME environment variable.
+	string service_name = 3;
+
+	// The name of the pod in which this server is running. Populated by the POD_NAME
+	// environment variable.
+	string pod = 4;
+}
+
+message TLSAssertions {
+	// The TLS version used by the connection, e.g. "TLSv1.3"
+	string version = 1;
+
+	// The negotatiated protocol.
+	string negotiated_protocol = 2;
+
+	// The server name indication extension sent by the client.
+	string server_name = 3;
+
+	// The cipher suite negotatiated for the connection, e.g. "TLS_EDCHE_ECDSA_WITH_AES_128_GCM_SHA256"
+	string cipher_suite = 4;
+
+	// The parsed certificates sent by the peer, in the order in which they were sent.
+	repeated string peer_certificates = 5;
+}
+
+message Assertions {
+	// The fully qualified method of the current RPC, e.g.
+	// "/gateway_api_conformance.grpc_echo.grpcecho.GrpcEcho/Echo"
+	string fully_qualified_method = 1;
+
+	// The headers present in the request.
+	repeated Header headers = 2;
+
+	// The :authority pseudo-header of the request.
+	string authority = 3;
+
+	// Information associated with the conformance server deployment.
+	Context context = 4;
+
+	// Information related to the TLS connection between the client and the server.
+	TLSAssertions tls_assertions = 5;
+}
+
+message EchoRequest {}
+
+message EchoResponse {
+	Assertions assertions = 1;
+	EchoRequest request = 2;
+}
+
+service GrpcEcho {
+	rpc Echo(EchoRequest) returns (EchoResponse) {}
+
+	// Behaves identically to Echo, but lives at a different method to
+	// emulate the service having more than one method.
+	rpc EchoTwo(EchoRequest) returns (EchoResponse) {}
+
+	// An intentionally unimplemented method.
+	rpc EchoThree(EchoRequest) returns (EchoResponse) {}
+}