arunpandianp commented on code in PR #32503: URL: https://github.com/apache/beam/pull/32503#discussion_r1776125341
########## runners/google-cloud-dataflow-java/worker/src/main/java/org/apache/beam/runners/dataflow/worker/windmill/client/grpc/stubs/WindmillStubFactoryFactoryImpl.java: ########## @@ -0,0 +1,54 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 org.apache.beam.runners.dataflow.worker.windmill.client.grpc.stubs; + +import static org.apache.beam.runners.dataflow.worker.windmill.client.grpc.stubs.WindmillChannelFactory.remoteChannel; + +import com.google.auth.Credentials; +import java.util.function.Function; +import org.apache.beam.runners.dataflow.options.DataflowWorkerHarnessOptions; +import org.apache.beam.runners.dataflow.worker.windmill.WindmillServiceAddress; +import org.apache.beam.vendor.grpc.v1p60p1.io.grpc.ManagedChannel; + +public class WindmillStubFactoryFactoryImpl implements WindmillStubFactoryFactory { + + private final int windmillServiceRpcChannelAliveTimeoutSec; + private final Credentials gcpCredential; + + public WindmillStubFactoryFactoryImpl(DataflowWorkerHarnessOptions workerOptions) { + this.gcpCredential = workerOptions.getGcpCredential(); + this.windmillServiceRpcChannelAliveTimeoutSec = + workerOptions.getWindmillServiceRpcChannelAliveTimeoutSec(); + } + + @Override + public WindmillStubFactory makeWindmillStubFactory(boolean useIsolatedChannels) { + Function<WindmillServiceAddress, ManagedChannel> channelFactory = + serviceAddress -> remoteChannel(serviceAddress, windmillServiceRpcChannelAliveTimeoutSec); + ChannelCache channelCache = + ChannelCache.create( + serviceAddress -> + // IsolationChannel will create and manage separate RPC channels to the same + // serviceAddress via calling the channelFactory, else just directly return the + // RPC channel. + useIsolatedChannels Review Comment: Ack. ########## runners/google-cloud-dataflow-java/worker/src/test/java/org/apache/beam/runners/dataflow/worker/windmill/client/grpc/GrpcDispatcherClientTest.java: ########## @@ -0,0 +1,159 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 org.apache.beam.runners.dataflow.worker.windmill.client.grpc; + +import static org.junit.Assert.assertNotSame; +import static org.junit.Assert.assertSame; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; +import org.apache.beam.runners.dataflow.options.DataflowWorkerHarnessOptions; +import org.apache.beam.runners.dataflow.worker.streaming.config.StreamingGlobalConfig; +import org.apache.beam.runners.dataflow.worker.windmill.CloudWindmillServiceV1Alpha1Grpc.CloudWindmillServiceV1Alpha1Stub; +import org.apache.beam.runners.dataflow.worker.windmill.Windmill.UserWorkerRunnerV1Settings; +import org.apache.beam.runners.dataflow.worker.windmill.client.grpc.stubs.ChannelCachingStubFactory; +import org.apache.beam.runners.dataflow.worker.windmill.client.grpc.stubs.WindmillChannelFactory; +import org.apache.beam.runners.dataflow.worker.windmill.testing.FakeWindmillStubFactory; +import org.apache.beam.runners.dataflow.worker.windmill.testing.FakeWindmillStubFactoryFactory; +import org.apache.beam.sdk.options.PipelineOptionsFactory; +import org.apache.beam.vendor.grpc.v1p60p1.io.grpc.testing.GrpcCleanupRule; +import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.collect.ImmutableSet; +import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.collect.Lists; +import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.net.HostAndPort; +import org.junit.Rule; +import org.junit.Test; +import org.junit.experimental.runners.Enclosed; +import org.junit.runner.RunWith; +import org.junit.runners.JUnit4; +import org.junit.runners.Parameterized; +import org.junit.runners.Parameterized.Parameter; +import org.junit.runners.Parameterized.Parameters; + +@RunWith(Enclosed.class) +public class GrpcDispatcherClientTest { + + static class GrpcDispatcherClientTestBase { + + @Rule public final GrpcCleanupRule grpcCleanup = new GrpcCleanupRule(); + + final ChannelCachingStubFactory stubFactory = + new FakeWindmillStubFactory( + () -> + grpcCleanup.register( + WindmillChannelFactory.inProcessChannel("GrpcDispatcherClientTestChannel"))); + + static StreamingGlobalConfig getGlobalConfig(boolean useWindmillIsolatedChannels) { + return StreamingGlobalConfig.builder() + .setWindmillServiceEndpoints(ImmutableSet.of(HostAndPort.fromString("windmill:1234"))) + .setUserWorkerJobSettings( + UserWorkerRunnerV1Settings.newBuilder() + .setUseWindmillIsolatedChannels(useWindmillIsolatedChannels) + .build()) + .build(); + } + } + + @RunWith(JUnit4.class) + public static class RespectsJobSettingTest extends GrpcDispatcherClientTestBase { + + @Test + public void createsNewStubWhenIsolatedChannelsConfigIsChanged() { + DataflowWorkerHarnessOptions options = + PipelineOptionsFactory.as(DataflowWorkerHarnessOptions.class); + options.setExperiments( + Lists.newArrayList( + GrpcDispatcherClient.STREAMING_ENGINE_USE_JOB_SETTINGS_FOR_ISOLATED_CHANNELS)); + GrpcDispatcherClient dispatcherClient = + GrpcDispatcherClient.create(options, new FakeWindmillStubFactoryFactory(stubFactory)); + // Create first time with Isolated channels disabled + dispatcherClient.onJobConfig(getGlobalConfig(/*useWindmillIsolatedChannels=*/ false)); + CloudWindmillServiceV1Alpha1Stub stub1 = dispatcherClient.getWindmillServiceStub(); + CloudWindmillServiceV1Alpha1Stub stub2 = dispatcherClient.getWindmillServiceStub(); + assertSame(stub2, stub1); + + // Enable Isolated channels + dispatcherClient.onJobConfig(getGlobalConfig(/*useWindmillIsolatedChannels=*/ true)); + CloudWindmillServiceV1Alpha1Stub stub3 = dispatcherClient.getWindmillServiceStub(); + assertNotSame(stub3, stub1); + + CloudWindmillServiceV1Alpha1Stub stub4 = dispatcherClient.getWindmillServiceStub(); + assertSame(stub3, stub4); Review Comment: Fixed. -- This is an automated message from the Apache Git Service. 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