istio-interop-testing: create a separate project and add istio echo server code (#9321)

* istio-interop-testing: create a separate project and add istio echo server code
after removing from the grpc-interop-testing project

* add jib support

* use imported echo.proto from istio repo

* use context to propagate values from interceptor so the service's echo method has all values required to compose EchoResponse
This commit is contained in:
sanjaypujare 2022-06-29 14:52:19 -07:00 committed by GitHub
parent 377e3ce557
commit 6271bab20d
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9 changed files with 1340 additions and 0 deletions

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@ -4,6 +4,7 @@ plugins {
id "com.google.osdetector" apply false
id "me.champeau.gradle.japicmp" apply false
id "net.ltgt.errorprone" apply false
id 'com.google.cloud.tools.jib' apply false
}
import net.ltgt.gradle.errorprone.CheckSeverity

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@ -0,0 +1,68 @@
plugins {
id "application"
id "java"
id "com.google.protobuf"
id 'com.google.cloud.tools.jib'
}
description = "gRPC: Istio Interop testing"
configurations {
alpnagent
}
evaluationDependsOn(project(':grpc-context').path)
dependencies {
implementation project(':grpc-core'),
project(':grpc-netty'),
project(':grpc-protobuf'),
project(':grpc-services'),
project(':grpc-stub'),
project(':grpc-testing')
compileOnly libraries.javax.annotation
runtimeOnly libraries.netty.tcnative,
libraries.netty.tcnative.classes
testImplementation project(':grpc-context').sourceSets.test.output,
project(':grpc-api').sourceSets.test.output,
project(':grpc-core').sourceSets.test.output,
libraries.mockito.core,
libraries.junit,
libraries.truth
alpnagent libraries.jetty.alpn.agent
}
sourceSets {
main {
proto {
srcDir 'third_party/istio/src/main/proto'
}
}
}
configureProtoCompilation()
import net.ltgt.gradle.errorprone.CheckSeverity
compileJava {
// This isn't a library; it can use beta APIs
options.errorprone.check("BetaApi", CheckSeverity.OFF)
}
// For releasing to Docker Hub
jib {
from.image = "gcr.io/distroless/java:8"
container {
ports = ['50051']
mainClass="io.grpc.testing.istio.EchoTestServer"
}
outputPaths {
tar = 'build/istio-echo-server.tar'
digest = 'build/istio-echo-server.digest'
imageId = 'build/istio-echo-server.id'
}
}

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@ -0,0 +1,350 @@
package io.istio.test;
import static io.grpc.MethodDescriptor.generateFullMethodName;
/**
*/
@javax.annotation.Generated(
value = "by gRPC proto compiler",
comments = "Source: test/echo/proto/echo.proto")
@io.grpc.stub.annotations.GrpcGenerated
public final class EchoTestServiceGrpc {
private EchoTestServiceGrpc() {}
public static final String SERVICE_NAME = "proto.EchoTestService";
// Static method descriptors that strictly reflect the proto.
private static volatile io.grpc.MethodDescriptor<io.istio.test.Echo.EchoRequest,
io.istio.test.Echo.EchoResponse> getEchoMethod;
@io.grpc.stub.annotations.RpcMethod(
fullMethodName = SERVICE_NAME + '/' + "Echo",
requestType = io.istio.test.Echo.EchoRequest.class,
responseType = io.istio.test.Echo.EchoResponse.class,
methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
public static io.grpc.MethodDescriptor<io.istio.test.Echo.EchoRequest,
io.istio.test.Echo.EchoResponse> getEchoMethod() {
io.grpc.MethodDescriptor<io.istio.test.Echo.EchoRequest, io.istio.test.Echo.EchoResponse> getEchoMethod;
if ((getEchoMethod = EchoTestServiceGrpc.getEchoMethod) == null) {
synchronized (EchoTestServiceGrpc.class) {
if ((getEchoMethod = EchoTestServiceGrpc.getEchoMethod) == null) {
EchoTestServiceGrpc.getEchoMethod = getEchoMethod =
io.grpc.MethodDescriptor.<io.istio.test.Echo.EchoRequest, io.istio.test.Echo.EchoResponse>newBuilder()
.setType(io.grpc.MethodDescriptor.MethodType.UNARY)
.setFullMethodName(generateFullMethodName(SERVICE_NAME, "Echo"))
.setSampledToLocalTracing(true)
.setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
io.istio.test.Echo.EchoRequest.getDefaultInstance()))
.setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
io.istio.test.Echo.EchoResponse.getDefaultInstance()))
.setSchemaDescriptor(new EchoTestServiceMethodDescriptorSupplier("Echo"))
.build();
}
}
}
return getEchoMethod;
}
private static volatile io.grpc.MethodDescriptor<io.istio.test.Echo.ForwardEchoRequest,
io.istio.test.Echo.ForwardEchoResponse> getForwardEchoMethod;
@io.grpc.stub.annotations.RpcMethod(
fullMethodName = SERVICE_NAME + '/' + "ForwardEcho",
requestType = io.istio.test.Echo.ForwardEchoRequest.class,
responseType = io.istio.test.Echo.ForwardEchoResponse.class,
methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
public static io.grpc.MethodDescriptor<io.istio.test.Echo.ForwardEchoRequest,
io.istio.test.Echo.ForwardEchoResponse> getForwardEchoMethod() {
io.grpc.MethodDescriptor<io.istio.test.Echo.ForwardEchoRequest, io.istio.test.Echo.ForwardEchoResponse> getForwardEchoMethod;
if ((getForwardEchoMethod = EchoTestServiceGrpc.getForwardEchoMethod) == null) {
synchronized (EchoTestServiceGrpc.class) {
if ((getForwardEchoMethod = EchoTestServiceGrpc.getForwardEchoMethod) == null) {
EchoTestServiceGrpc.getForwardEchoMethod = getForwardEchoMethod =
io.grpc.MethodDescriptor.<io.istio.test.Echo.ForwardEchoRequest, io.istio.test.Echo.ForwardEchoResponse>newBuilder()
.setType(io.grpc.MethodDescriptor.MethodType.UNARY)
.setFullMethodName(generateFullMethodName(SERVICE_NAME, "ForwardEcho"))
.setSampledToLocalTracing(true)
.setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
io.istio.test.Echo.ForwardEchoRequest.getDefaultInstance()))
.setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
io.istio.test.Echo.ForwardEchoResponse.getDefaultInstance()))
.setSchemaDescriptor(new EchoTestServiceMethodDescriptorSupplier("ForwardEcho"))
.build();
}
}
}
return getForwardEchoMethod;
}
/**
* Creates a new async stub that supports all call types for the service
*/
public static EchoTestServiceStub newStub(io.grpc.Channel channel) {
io.grpc.stub.AbstractStub.StubFactory<EchoTestServiceStub> factory =
new io.grpc.stub.AbstractStub.StubFactory<EchoTestServiceStub>() {
@java.lang.Override
public EchoTestServiceStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
return new EchoTestServiceStub(channel, callOptions);
}
};
return EchoTestServiceStub.newStub(factory, channel);
}
/**
* Creates a new blocking-style stub that supports unary and streaming output calls on the service
*/
public static EchoTestServiceBlockingStub newBlockingStub(
io.grpc.Channel channel) {
io.grpc.stub.AbstractStub.StubFactory<EchoTestServiceBlockingStub> factory =
new io.grpc.stub.AbstractStub.StubFactory<EchoTestServiceBlockingStub>() {
@java.lang.Override
public EchoTestServiceBlockingStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
return new EchoTestServiceBlockingStub(channel, callOptions);
}
};
return EchoTestServiceBlockingStub.newStub(factory, channel);
}
/**
* Creates a new ListenableFuture-style stub that supports unary calls on the service
*/
public static EchoTestServiceFutureStub newFutureStub(
io.grpc.Channel channel) {
io.grpc.stub.AbstractStub.StubFactory<EchoTestServiceFutureStub> factory =
new io.grpc.stub.AbstractStub.StubFactory<EchoTestServiceFutureStub>() {
@java.lang.Override
public EchoTestServiceFutureStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
return new EchoTestServiceFutureStub(channel, callOptions);
}
};
return EchoTestServiceFutureStub.newStub(factory, channel);
}
/**
*/
public static abstract class EchoTestServiceImplBase implements io.grpc.BindableService {
/**
*/
public void echo(io.istio.test.Echo.EchoRequest request,
io.grpc.stub.StreamObserver<io.istio.test.Echo.EchoResponse> responseObserver) {
io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getEchoMethod(), responseObserver);
}
/**
*/
public void forwardEcho(io.istio.test.Echo.ForwardEchoRequest request,
io.grpc.stub.StreamObserver<io.istio.test.Echo.ForwardEchoResponse> responseObserver) {
io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getForwardEchoMethod(), responseObserver);
}
@java.lang.Override public final io.grpc.ServerServiceDefinition bindService() {
return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor())
.addMethod(
getEchoMethod(),
io.grpc.stub.ServerCalls.asyncUnaryCall(
new MethodHandlers<
io.istio.test.Echo.EchoRequest,
io.istio.test.Echo.EchoResponse>(
this, METHODID_ECHO)))
.addMethod(
getForwardEchoMethod(),
io.grpc.stub.ServerCalls.asyncUnaryCall(
new MethodHandlers<
io.istio.test.Echo.ForwardEchoRequest,
io.istio.test.Echo.ForwardEchoResponse>(
this, METHODID_FORWARD_ECHO)))
.build();
}
}
/**
*/
public static final class EchoTestServiceStub extends io.grpc.stub.AbstractAsyncStub<EchoTestServiceStub> {
private EchoTestServiceStub(
io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
super(channel, callOptions);
}
@java.lang.Override
protected EchoTestServiceStub build(
io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
return new EchoTestServiceStub(channel, callOptions);
}
/**
*/
public void echo(io.istio.test.Echo.EchoRequest request,
io.grpc.stub.StreamObserver<io.istio.test.Echo.EchoResponse> responseObserver) {
io.grpc.stub.ClientCalls.asyncUnaryCall(
getChannel().newCall(getEchoMethod(), getCallOptions()), request, responseObserver);
}
/**
*/
public void forwardEcho(io.istio.test.Echo.ForwardEchoRequest request,
io.grpc.stub.StreamObserver<io.istio.test.Echo.ForwardEchoResponse> responseObserver) {
io.grpc.stub.ClientCalls.asyncUnaryCall(
getChannel().newCall(getForwardEchoMethod(), getCallOptions()), request, responseObserver);
}
}
/**
*/
public static final class EchoTestServiceBlockingStub extends io.grpc.stub.AbstractBlockingStub<EchoTestServiceBlockingStub> {
private EchoTestServiceBlockingStub(
io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
super(channel, callOptions);
}
@java.lang.Override
protected EchoTestServiceBlockingStub build(
io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
return new EchoTestServiceBlockingStub(channel, callOptions);
}
/**
*/
public io.istio.test.Echo.EchoResponse echo(io.istio.test.Echo.EchoRequest request) {
return io.grpc.stub.ClientCalls.blockingUnaryCall(
getChannel(), getEchoMethod(), getCallOptions(), request);
}
/**
*/
public io.istio.test.Echo.ForwardEchoResponse forwardEcho(io.istio.test.Echo.ForwardEchoRequest request) {
return io.grpc.stub.ClientCalls.blockingUnaryCall(
getChannel(), getForwardEchoMethod(), getCallOptions(), request);
}
}
/**
*/
public static final class EchoTestServiceFutureStub extends io.grpc.stub.AbstractFutureStub<EchoTestServiceFutureStub> {
private EchoTestServiceFutureStub(
io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
super(channel, callOptions);
}
@java.lang.Override
protected EchoTestServiceFutureStub build(
io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
return new EchoTestServiceFutureStub(channel, callOptions);
}
/**
*/
public com.google.common.util.concurrent.ListenableFuture<io.istio.test.Echo.EchoResponse> echo(
io.istio.test.Echo.EchoRequest request) {
return io.grpc.stub.ClientCalls.futureUnaryCall(
getChannel().newCall(getEchoMethod(), getCallOptions()), request);
}
/**
*/
public com.google.common.util.concurrent.ListenableFuture<io.istio.test.Echo.ForwardEchoResponse> forwardEcho(
io.istio.test.Echo.ForwardEchoRequest request) {
return io.grpc.stub.ClientCalls.futureUnaryCall(
getChannel().newCall(getForwardEchoMethod(), getCallOptions()), request);
}
}
private static final int METHODID_ECHO = 0;
private static final int METHODID_FORWARD_ECHO = 1;
private static final class MethodHandlers<Req, Resp> implements
io.grpc.stub.ServerCalls.UnaryMethod<Req, Resp>,
io.grpc.stub.ServerCalls.ServerStreamingMethod<Req, Resp>,
io.grpc.stub.ServerCalls.ClientStreamingMethod<Req, Resp>,
io.grpc.stub.ServerCalls.BidiStreamingMethod<Req, Resp> {
private final EchoTestServiceImplBase serviceImpl;
private final int methodId;
MethodHandlers(EchoTestServiceImplBase serviceImpl, int methodId) {
this.serviceImpl = serviceImpl;
this.methodId = methodId;
}
@java.lang.Override
@java.lang.SuppressWarnings("unchecked")
public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserver) {
switch (methodId) {
case METHODID_ECHO:
serviceImpl.echo((io.istio.test.Echo.EchoRequest) request,
(io.grpc.stub.StreamObserver<io.istio.test.Echo.EchoResponse>) responseObserver);
break;
case METHODID_FORWARD_ECHO:
serviceImpl.forwardEcho((io.istio.test.Echo.ForwardEchoRequest) request,
(io.grpc.stub.StreamObserver<io.istio.test.Echo.ForwardEchoResponse>) responseObserver);
break;
default:
throw new AssertionError();
}
}
@java.lang.Override
@java.lang.SuppressWarnings("unchecked")
public io.grpc.stub.StreamObserver<Req> invoke(
io.grpc.stub.StreamObserver<Resp> responseObserver) {
switch (methodId) {
default:
throw new AssertionError();
}
}
}
private static abstract class EchoTestServiceBaseDescriptorSupplier
implements io.grpc.protobuf.ProtoFileDescriptorSupplier, io.grpc.protobuf.ProtoServiceDescriptorSupplier {
EchoTestServiceBaseDescriptorSupplier() {}
@java.lang.Override
public com.google.protobuf.Descriptors.FileDescriptor getFileDescriptor() {
return io.istio.test.Echo.getDescriptor();
}
@java.lang.Override
public com.google.protobuf.Descriptors.ServiceDescriptor getServiceDescriptor() {
return getFileDescriptor().findServiceByName("EchoTestService");
}
}
private static final class EchoTestServiceFileDescriptorSupplier
extends EchoTestServiceBaseDescriptorSupplier {
EchoTestServiceFileDescriptorSupplier() {}
}
private static final class EchoTestServiceMethodDescriptorSupplier
extends EchoTestServiceBaseDescriptorSupplier
implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
private final String methodName;
EchoTestServiceMethodDescriptorSupplier(String methodName) {
this.methodName = methodName;
}
@java.lang.Override
public com.google.protobuf.Descriptors.MethodDescriptor getMethodDescriptor() {
return getServiceDescriptor().findMethodByName(methodName);
}
}
private static volatile io.grpc.ServiceDescriptor serviceDescriptor;
public static io.grpc.ServiceDescriptor getServiceDescriptor() {
io.grpc.ServiceDescriptor result = serviceDescriptor;
if (result == null) {
synchronized (EchoTestServiceGrpc.class) {
result = serviceDescriptor;
if (result == null) {
serviceDescriptor = result = io.grpc.ServiceDescriptor.newBuilder(SERVICE_NAME)
.setSchemaDescriptor(new EchoTestServiceFileDescriptorSupplier())
.addMethod(getEchoMethod())
.addMethod(getForwardEchoMethod())
.build();
}
}
}
return result;
}
}

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@ -0,0 +1,372 @@
/*
* Copyright 2022 The gRPC 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 io.grpc.testing.istio;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableMap;
import io.grpc.Context;
import io.grpc.Contexts;
import io.grpc.Grpc;
import io.grpc.InsecureChannelCredentials;
import io.grpc.InsecureServerCredentials;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.Metadata;
import io.grpc.Server;
import io.grpc.ServerCall;
import io.grpc.ServerCallHandler;
import io.grpc.ServerInterceptor;
import io.grpc.ServerInterceptors;
import io.grpc.ServerServiceDefinition;
import io.grpc.Status;
import io.grpc.StatusRuntimeException;
import io.grpc.stub.MetadataUtils;
import io.grpc.stub.StreamObserver;
import io.istio.test.Echo.EchoRequest;
import io.istio.test.Echo.EchoResponse;
import io.istio.test.Echo.ForwardEchoRequest;
import io.istio.test.Echo.ForwardEchoResponse;
import io.istio.test.Echo.Header;
import io.istio.test.EchoTestServiceGrpc;
import io.istio.test.EchoTestServiceGrpc.EchoTestServiceBlockingStub;
import io.istio.test.EchoTestServiceGrpc.EchoTestServiceImplBase;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.time.Duration;
import java.time.Instant;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* This class implements the Istio echo server functionality similar to
* https://github.com/istio/istio/blob/master/pkg/test/echo/server/endpoint/grpc.go .
* Please see Istio framework docs https://github.com/istio/istio/wiki/Istio-Test-Framework .
*/
public final class EchoTestServer {
private static final Logger logger = Logger.getLogger(EchoTestServer.class.getName());
static final Context.Key<String> CLIENT_ADDRESS_CONTEXT_KEY =
Context.key("io.grpc.testing.istio.ClientAddress");
static final Context.Key<String> AUTHORITY_CONTEXT_KEY =
Context.key("io.grpc.testing.istio.Authority");
static final Context.Key<Map<String,String>> REQUEST_HEADERS_CONTEXT_KEY =
Context.key("io.grpc.testing.istio.RequestHeaders");
private static final String REQUEST_ID = "x-request-id";
private static final String STATUS_CODE = "StatusCode";
private static final String HOST = "Host";
private static final String HOSTNAME = "Hostname";
private static final String REQUEST_HEADER = "RequestHeader";
private static final String IP = "IP";
public static final String GRPC_SCHEME = "grpc://";
@VisibleForTesting List<Server> servers;
/**
* Preprocess args, for two things:
* 1. merge duplicate flags. So "--grpc=8080 --grpc=9090" becomes
* "--grpc=8080,9090".
* 2. replace '-' to '_'. So "--istio-version=123" becomes
* "--istio_version=123" (so exclude the leading "--").
**/
@VisibleForTesting
static Map<String, List<String>> preprocessArgs(String[] args) {
HashMap<String, List<String>> argsMap = new HashMap<>();
for (String arg : args) {
String[] keyValue = arg.split("=", 2);
if (keyValue.length == 2) {
String key = keyValue[0];
String value = keyValue[1];
key = key.substring(0, 2) + key.substring(2).replace('-', '_');
List<String> oldValue = argsMap.get(key);
if (oldValue == null) {
oldValue = new ArrayList<>();
}
oldValue.add(value);
argsMap.put(key, oldValue);
}
}
return ImmutableMap.<String, List<String>>builder().putAll(argsMap).build();
}
/** Turn gRPC ports from a string list to an int list. */
@VisibleForTesting
static List<Integer> getGrpcPorts(Map<String, List<String>> args) {
List<String> grpcPorts = args.get("--grpc");
List<Integer> grpcPortsInt = new ArrayList<>(grpcPorts.size());
for (String port : grpcPorts) {
grpcPortsInt.add(Integer.parseInt(port));
}
return grpcPortsInt;
}
private static String determineHostname() {
try {
return InetAddress.getLocalHost().getHostName();
} catch (IOException ex) {
logger.log(Level.INFO, "Failed to determine hostname. Will generate one", ex);
}
// let's make an identifier for ourselves.
return "generated-" + new Random().nextInt();
}
/**
* The main application allowing this program to be launched from the command line.
*/
public static void main(String[] args) throws Exception {
Map<String, List<String>> processedArgs = preprocessArgs(args);
List<Integer> grpcPorts = getGrpcPorts(processedArgs);
String hostname = determineHostname();
EchoTestServer echoTestServer = new EchoTestServer();
echoTestServer.runServers(grpcPorts, hostname);
Runtime.getRuntime().addShutdownHook(new Thread(() -> {
try {
System.out.println("Shutting down");
echoTestServer.stopServers();
} catch (Exception e) {
logger.log(Level.SEVERE, "stopServers", e);
throw e;
}
}));
echoTestServer.blockUntilShutdown();
}
void runServers(List<Integer> grpcPorts, String hostname) throws IOException {
ServerServiceDefinition service = ServerInterceptors.intercept(
new EchoTestServiceImpl(hostname), new EchoTestServerInterceptor());
servers = new ArrayList<>(grpcPorts.size() + 1);
for (int port : grpcPorts) {
runServer(port, service);
}
}
void runServer(int port, ServerServiceDefinition service) throws IOException {
logger.log(Level.INFO, "Listening GRPC on " + port);
servers.add(Grpc.newServerBuilderForPort(port, InsecureServerCredentials.create())
.addService(service)
.build().start());
}
void stopServers() {
for (Server server : servers) {
server.shutdownNow();
}
}
void blockUntilShutdown() throws InterruptedException {
for (Server server : servers) {
if (!server.awaitTermination(5, TimeUnit.SECONDS)) {
System.err.println("Timed out waiting for server shutdown");
}
}
}
private static class EchoTestServerInterceptor implements ServerInterceptor {
@Override
public <ReqT, RespT> ServerCall.Listener<ReqT> interceptCall(ServerCall<ReqT, RespT> call,
final Metadata requestHeaders, ServerCallHandler<ReqT, RespT> next) {
final String methodName = call.getMethodDescriptor().getBareMethodName();
// we need this processing only for Echo
if (!"Echo".equals(methodName)) {
return next.startCall(call, requestHeaders);
}
final SocketAddress peerAddress = call.getAttributes()
.get(Grpc.TRANSPORT_ATTR_REMOTE_ADDR);
Context ctx = Context.current();
if (peerAddress instanceof InetSocketAddress) {
InetSocketAddress inetPeerAddress = (InetSocketAddress) peerAddress;
ctx = ctx.withValue(CLIENT_ADDRESS_CONTEXT_KEY,
inetPeerAddress.getAddress().getHostAddress());
}
ctx = ctx.withValue(AUTHORITY_CONTEXT_KEY, call.getAuthority());
Map<String, String> requestHeadersCopy = new HashMap<>();
for (String key : requestHeaders.keys()) {
if (!key.endsWith("-bin")) {
requestHeadersCopy.put(key,
requestHeaders.get(Metadata.Key.of(key, Metadata.ASCII_STRING_MARSHALLER)));
}
}
ctx = ctx.withValue(REQUEST_HEADERS_CONTEXT_KEY, requestHeadersCopy);
return Contexts.interceptCall(
ctx,
call,
requestHeaders,
next);
}
}
private static class EchoTestServiceImpl extends EchoTestServiceImplBase {
private final String hostname;
EchoTestServiceImpl(String hostname) {
this.hostname = hostname;
}
@Override
public void echo(EchoRequest request,
io.grpc.stub.StreamObserver<EchoResponse> responseObserver) {
EchoMessage echoMessage = new EchoMessage();
echoMessage.writeKeyValue(HOSTNAME, hostname);
echoMessage.writeKeyValue("Echo", request.getMessage());
String clientAddress = CLIENT_ADDRESS_CONTEXT_KEY.get();
if (clientAddress != null) {
echoMessage.writeKeyValue(IP, clientAddress);
}
Map<String, String> requestHeadersCopy = REQUEST_HEADERS_CONTEXT_KEY.get();
for (Map.Entry<String, String> entry : requestHeadersCopy.entrySet()) {
echoMessage.writeKeyValueForRequest(REQUEST_HEADER, entry.getKey(), entry.getValue());
}
echoMessage.writeKeyValue(STATUS_CODE, "200");
echoMessage.writeKeyValue(HOST, AUTHORITY_CONTEXT_KEY.get());
EchoResponse echoResponse = EchoResponse.newBuilder()
.setMessage(echoMessage.toString())
.build();
responseObserver.onNext(echoResponse);
responseObserver.onCompleted();
}
@Override
public void forwardEcho(ForwardEchoRequest request,
StreamObserver<ForwardEchoResponse> responseObserver) {
try {
responseObserver.onNext(buildEchoResponse(request));
responseObserver.onCompleted();
} catch (InterruptedException e) {
responseObserver.onError(e);
Thread.currentThread().interrupt();
} catch (Exception e) {
responseObserver.onError(e);
}
}
private ForwardEchoResponse buildEchoResponse(ForwardEchoRequest request)
throws InterruptedException {
ForwardEchoResponse.Builder forwardEchoResponseBuilder
= ForwardEchoResponse.newBuilder();
String rawUrl = request.getUrl();
if (!rawUrl.startsWith(GRPC_SCHEME)) {
throw new StatusRuntimeException(
Status.UNIMPLEMENTED.withDescription("protocol grpc:// required"));
}
rawUrl = rawUrl.substring(GRPC_SCHEME.length());
// May need to use xds security if urlScheme is "xds"
ManagedChannelBuilder<?> channelBuilder = Grpc.newChannelBuilder(
rawUrl, InsecureChannelCredentials.create());
ManagedChannel channel = channelBuilder.build();
List<Header> requestHeaders = request.getHeadersList();
Metadata metadata = new Metadata();
for (Header header : requestHeaders) {
metadata.put(Metadata.Key.of(header.getKey(), Metadata.ASCII_STRING_MARSHALLER),
header.getValue());
}
int count = request.getCount() == 0 ? 1 : request.getCount();
Duration durationPerQuery = Duration.ZERO;
if (request.getQps() > 0) {
durationPerQuery = Duration.ofNanos(
Duration.ofSeconds(1).toNanos() / request.getQps());
}
logger.info("qps=" + request.getQps());
logger.info("durationPerQuery=" + durationPerQuery);
EchoRequest echoRequest = EchoRequest.newBuilder()
.setMessage(request.getMessage())
.build();
Instant start = Instant.now();
logger.info("starting instant=" + start);
Duration expected = Duration.ZERO;
for (int i = 0; i < count; i++) {
Metadata currentMetadata = new Metadata();
currentMetadata.merge(metadata);
currentMetadata.put(
Metadata.Key.of(REQUEST_ID, Metadata.ASCII_STRING_MARSHALLER), "" + i);
EchoTestServiceBlockingStub stub
= EchoTestServiceGrpc.newBlockingStub(channel).withInterceptors(
MetadataUtils.newAttachHeadersInterceptor(currentMetadata))
.withDeadlineAfter(request.getTimeoutMicros(), TimeUnit.MICROSECONDS);
String response = callEcho(stub, echoRequest, i);
forwardEchoResponseBuilder.addOutput(response);
Instant current = Instant.now();
logger.info("after rpc instant=" + current);
Duration elapsed = Duration.between(start, current);
expected = expected.plus(durationPerQuery);
Duration timeLeft = expected.minus(elapsed);
logger.info("elapsed=" + elapsed + ", expected=" + expected + ", timeLeft=" + timeLeft);
if (!timeLeft.isNegative()) {
logger.info("sleeping for ms =" + timeLeft);
Thread.sleep(timeLeft.toMillis());
}
}
return forwardEchoResponseBuilder.build();
}
private String callEcho(EchoTestServiceBlockingStub stub,
EchoRequest echoRequest, int count) {
try {
EchoResponse echoResponse = stub.echo(echoRequest);
return echoResponse.getMessage();
} catch (Exception e) {
logger.log(Level.INFO, "RPC failed " + count, e);
}
return "";
}
}
private static class EchoMessage {
private final StringBuilder sb = new StringBuilder();
void writeKeyValue(String key, String value) {
sb.append(key).append("=").append(value).append("\n");
}
void writeKeyValueForRequest(String requestHeader, String key, String value) {
if (value != null) {
writeKeyValue(requestHeader, key + ":" + value);
}
}
void writeMessage(String message) {
sb.append(message);
}
@Override
public String toString() {
return sb.toString();
}
}
}

View File

@ -0,0 +1,193 @@
/*
* Copyright 2022 The gRPC 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 io.grpc.testing.istio;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import io.grpc.Grpc;
import io.grpc.InsecureChannelCredentials;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import io.grpc.Metadata;
import io.grpc.stub.MetadataUtils;
import io.istio.test.Echo.EchoRequest;
import io.istio.test.Echo.EchoResponse;
import io.istio.test.Echo.ForwardEchoRequest;
import io.istio.test.Echo.ForwardEchoResponse;
import io.istio.test.Echo.Header;
import io.istio.test.EchoTestServiceGrpc;
import java.io.IOException;
import java.time.Duration;
import java.time.Instant;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Unit tests for {@link EchoTestServer}.
*/
@RunWith(JUnit4.class)
public class EchoTestServerTest {
@Test
public void preprocessArgsTest() {
String[] splitArgs = TEST_ARGS.split(" ");
Map<String, List<String>> processedArgs = EchoTestServer.preprocessArgs(splitArgs);
assertEquals(processedArgs.keySet(), ImmutableSet.copyOf(EXPECTED_KEY_SET));
assertEquals(processedArgs.get("--server_first"), ImmutableList.of("16060", "16061"));
assertEquals(processedArgs.get("--bind_ip"), ImmutableList.of("18082"));
assertEquals(processedArgs.get("--bind_localhost"), ImmutableList.of("18084"));
assertEquals(processedArgs.get("--version"), ImmutableList.of("\"v1\""));
assertEquals(processedArgs.get("--grpc"), ImmutableList.of("\"17070\"", "\"17071\""));
assertEquals(processedArgs.get("--tls"), ImmutableList.of("18443", "19443"));
assertEquals(processedArgs.get("--cluster"), ImmutableList.of("\"cluster-0\""));
assertEquals(processedArgs.get("--key"), ImmutableList.of("/cert.key"));
assertEquals(processedArgs.get("--tcp"), ImmutableList.of("\"19090\"", "\"16060\"",
"\"19091\"","\"16061\"","\"19092\""));
assertEquals(processedArgs.get("--istio_version"), ImmutableList.of("3"));
assertEquals(processedArgs.get("--crt"), ImmutableList.of("/cert.crt"));
assertEquals(processedArgs.get("--metrics"), ImmutableList.of("15014"));
assertEquals(
processedArgs.get("--port"),
ImmutableList.of(
"\"18080\"",
"\"18085\"",
"\"18443\"",
"\"18081\"",
"\"19443\"",
"\"18082\"",
"\"18084\"",
"\"18083\"",
"\"8080\"",
"\"3333\""));
}
@Test
public void echoTest() throws IOException, InterruptedException {
EchoTestServer echoTestServer = new EchoTestServer();
echoTestServer.runServers(ImmutableList.of(0, 0), "test-host");
assertEquals(2, echoTestServer.servers.size());
int port = echoTestServer.servers.get(0).getPort();
assertNotEquals(0, port);
assertNotEquals(0, echoTestServer.servers.get(1).getPort());
ManagedChannelBuilder<?> channelBuilder =
Grpc.newChannelBuilderForAddress("localhost", port, InsecureChannelCredentials.create());
ManagedChannel channel = channelBuilder.build();
Metadata metadata = new Metadata();
metadata.put(Metadata.Key.of("header1", Metadata.ASCII_STRING_MARSHALLER), "value1");
metadata.put(Metadata.Key.of("header2", Metadata.ASCII_STRING_MARSHALLER), "value2");
EchoTestServiceGrpc.EchoTestServiceBlockingStub stub =
EchoTestServiceGrpc.newBlockingStub(channel)
.withInterceptors(MetadataUtils.newAttachHeadersInterceptor(metadata));
EchoRequest echoRequest = EchoRequest.newBuilder()
.setMessage("test-message1")
.build();
EchoResponse echoResponse = stub.echo(echoRequest);
String echoMessage = echoResponse.getMessage();
Set<String> lines = ImmutableSet.copyOf(echoMessage.split("\n"));
assertThat(lines).contains("RequestHeader=header1:value1");
assertThat(lines).contains("RequestHeader=header2:value2");
assertThat(lines).contains("Echo=test-message1");
assertThat(lines).contains("Hostname=test-host");
assertThat(lines).contains("Host=localhost:" + port);
assertThat(lines).contains("StatusCode=200");
echoTestServer.stopServers();
echoTestServer.blockUntilShutdown();
}
static final int COUNT_OF_REQUESTS_TO_FORWARD = 60;
@Test
public void forwardEchoTest() throws IOException {
EchoTestServer echoTestServer = new EchoTestServer();
echoTestServer.runServers(ImmutableList.of(0, 0), "test-host");
assertEquals(2, echoTestServer.servers.size());
int port1 = echoTestServer.servers.get(0).getPort();
int port2 = echoTestServer.servers.get(1).getPort();
ManagedChannelBuilder<?> channelBuilder =
Grpc.newChannelBuilderForAddress("localhost", port1, InsecureChannelCredentials.create());
ManagedChannel channel = channelBuilder.build();
ForwardEchoRequest forwardEchoRequest =
ForwardEchoRequest.newBuilder()
.setCount(COUNT_OF_REQUESTS_TO_FORWARD)
.setQps(100)
.setTimeoutMicros(2000_000L) // 2000 millis
.setUrl("grpc://localhost:" + port2)
.addHeaders(
Header.newBuilder().setKey("test-key1").setValue("test-value1").build())
.addHeaders(
Header.newBuilder().setKey("test-key2").setValue("test-value2").build())
.setMessage("forward-echo-test-message")
.build();
EchoTestServiceGrpc.EchoTestServiceBlockingStub stub =
EchoTestServiceGrpc.newBlockingStub(channel);
Instant start = Instant.now();
ForwardEchoResponse forwardEchoResponse = stub.forwardEcho(forwardEchoRequest);
Instant end = Instant.now();
List<String> outputs = forwardEchoResponse.getOutputList();
assertEquals(COUNT_OF_REQUESTS_TO_FORWARD, outputs.size());
for (int i = 0; i < COUNT_OF_REQUESTS_TO_FORWARD; i++) {
validateOutput(outputs.get(i), i);
}
long duration = Duration.between(start, end).toMillis();
assertThat(duration).isAtLeast(COUNT_OF_REQUESTS_TO_FORWARD * 10L);
}
private static void validateOutput(String output, int i) {
assertThat(output).contains("RequestHeader=x-request-id:" + i);
assertThat(output).contains("RequestHeader=test-key1:test-value1");
assertThat(output).contains("RequestHeader=test-key2:test-value2");
assertThat(output).contains("Hostname=test-host");
assertThat(output).contains("StatusCode=200");
assertThat(output).contains("Echo=forward-echo-test-message");
}
private static final String[] EXPECTED_KEY_SET = {
"--server_first",
"--bind_ip", "--istio_version", "--bind_localhost", "--version", "--grpc", "--tls",
"--cluster", "--key", "--tcp", "--crt", "--metrics", "--port"
};
private static final String TEST_ARGS =
"--metrics=15014 --cluster=\"cluster-0\" --port=\"18080\" --grpc=\"17070\" --port=\"18085\""
+ " --tcp=\"19090\" --port=\"18443\" --tls=18443 --tcp=\"16060\" --server_first=16060"
+ " --tcp=\"19091\" --tcp=\"16061\" --server_first=16061 --port=\"18081\""
+ " --grpc=\"17071\" --port=\"19443\" --tls=19443 --port=\"18082\" --bind_ip=18082"
+ " --port=\"18084\" --bind_localhost=18084 --tcp=\"19092\" --port=\"18083\""
+ " --port=\"8080\" --port=\"3333\" --version=\"v1\" --istio-version=3 --crt=/cert.crt"
+ " --key=/cert.key";
}

View File

@ -0,0 +1,202 @@
Apache License
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5. Submission of Contributions. Unless You explicitly state otherwise,
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6. Trademarks. This License does not grant permission to use the trade
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7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
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8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
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Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "{}"
replaced with your own identifying information. (Don't include
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Copyright 2016-2020 Istio 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
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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.

View File

@ -0,0 +1,58 @@
#!/bin/bash
# Copyright 2018 The gRPC 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.
# Update VERSION then in this directory run ./import.sh
set -e
BRANCH=master
# import VERSION from the istio repository
VERSION=cbee1999ad8b0f1ec790ec47f9ea33fed887f4a7
GIT_REPO="https://github.com/istio/istio.git"
GIT_BASE_DIR=istio
SOURCE_PROTO_BASE_DIR=istio/pkg
TARGET_PROTO_BASE_DIR=src/main/proto
# Sorted alphabetically.
FILES=(
test/echo/proto/echo.proto
)
pushd `git rev-parse --show-toplevel`/istio-interop-testing/third_party/istio
# clone the istio github repo in a tmp directory
tmpdir="$(mktemp -d)"
trap "rm -rf ${tmpdir}" EXIT
pushd "${tmpdir}"
git clone -b $BRANCH $GIT_REPO
trap "rm -rf $GIT_BASE_DIR" EXIT
cd "$GIT_BASE_DIR"
git checkout $VERSION
popd
cp -p "${tmpdir}/${GIT_BASE_DIR}/LICENSE" LICENSE
rm -rf "${TARGET_PROTO_BASE_DIR}"
mkdir -p "${TARGET_PROTO_BASE_DIR}"
pushd "${TARGET_PROTO_BASE_DIR}"
# copy proto files to project directory
for file in "${FILES[@]}"
do
mkdir -p "$(dirname "${file}")"
cp -p "${tmpdir}/${SOURCE_PROTO_BASE_DIR}/${file}" "${file}"
done
popd
popd

View File

@ -0,0 +1,93 @@
// Copyright Istio 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";
import "google/protobuf/wrappers.proto";
// Generate with protoc --go_out=. echo.proto -I /work/common-protos/ -I.
package proto;
option go_package="../proto";
option java_package = "io.istio.test";
option java_outer_classname = "Echo";
service EchoTestService {
rpc Echo (EchoRequest) returns (EchoResponse);
rpc ForwardEcho (ForwardEchoRequest) returns (ForwardEchoResponse);
}
message EchoRequest {
string message = 1;
}
message EchoResponse {
string message = 1;
}
message Header {
string key = 1;
string value = 2;
}
message ForwardEchoRequest {
int32 count = 1;
int32 qps = 2;
int64 timeout_micros = 3;
string url = 4;
repeated Header headers = 5;
string message = 6;
// Method for the request. Valid only for HTTP
string method = 9;
// If true, requests will be sent using h2c prior knowledge
bool http2 = 7;
// If true, requests will be sent using http3
bool http3 = 15;
// If true, requests will not be sent until magic string is received
bool serverFirst = 8;
// If true, 301 redirects will be followed
bool followRedirects = 14;
// If non-empty, make the request with the corresponding cert and key.
string cert = 10;
string key = 11;
// If non-empty, verify the server CA
string caCert = 12;
// If non-empty, make the request with the corresponding cert and key file.
string certFile = 16;
string keyFile = 17;
// If non-empty, verify the server CA with the ca cert file.
string caCertFile = 18;
// Skip verifying peer's certificate.
bool insecureSkipVerify = 19;
// List of ALPNs to present. If not set, this will be automatically be set based on the protocol
Alpn alpn = 13;
// Server name (SNI) to present in TLS connections. If not set, Host will be used for http requests.
string serverName = 20;
// Expected response determines what string to look for in the response to validate TCP requests succeeded.
// If not set, defaults to "StatusCode=200"
google.protobuf.StringValue expectedResponse = 21;
// If set, a new connection will be made to the server for each individual request. If false, an attempt
// will be made to re-use the connection for the life of the forward request. This is automatically
// set for DNS, TCP, TLS, and WebSocket protocols.
bool newConnectionPerRequest = 22;
// If set, each request will force a DNS lookup. Only applies if newConnectionPerRequest is set.
bool forceDNSLookup = 23;
}
message Alpn {
repeated string value = 1;
}
message ForwardEchoResponse {
repeated string output = 1;
}

View File

@ -4,6 +4,7 @@ pluginManagement {
id "com.android.library" version "4.2.0"
id "com.github.johnrengelman.shadow" version "7.1.2"
id "com.github.kt3k.coveralls" version "2.12.0"
id "com.google.cloud.tools.jib" version "3.2.1"
id "com.google.osdetector" version "1.7.0"
id "com.google.protobuf" version "0.8.18"
id "digital.wup.android-maven-publish" version "3.6.3"
@ -54,6 +55,7 @@ include ":grpc-bom"
include ":grpc-rls"
include ":grpc-authz"
include ":grpc-gcp-observability"
include ":grpc-istio-interop-testing"
project(':grpc-api').projectDir = "$rootDir/api" as File
project(':grpc-core').projectDir = "$rootDir/core" as File
@ -81,6 +83,7 @@ project(':grpc-bom').projectDir = "$rootDir/bom" as File
project(':grpc-rls').projectDir = "$rootDir/rls" as File
project(':grpc-authz').projectDir = "$rootDir/authz" as File
project(':grpc-gcp-observability').projectDir = "$rootDir/gcp-observability" as File
project(':grpc-istio-interop-testing').projectDir = "$rootDir/istio-interop-testing" as File
if (settings.hasProperty('skipCodegen') && skipCodegen.toBoolean()) {
println '*** Skipping the build of codegen and compilation of proto files because skipCodegen=true'