C0urante commented on code in PR #12828: URL: https://github.com/apache/kafka/pull/12828#discussion_r1025340543
########## connect/runtime/src/test/java/org/apache/kafka/connect/integration/RestForwardingIntegrationTest.java: ########## @@ -0,0 +1,256 @@ +/* + * 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.kafka.connect.integration; + +import org.apache.http.HttpHost; +import org.apache.http.HttpRequest; +import org.apache.http.HttpResponse; +import org.apache.http.client.methods.CloseableHttpResponse; +import org.apache.http.client.methods.HttpPost; +import org.apache.http.entity.StringEntity; +import org.apache.http.impl.client.CloseableHttpClient; +import org.apache.http.impl.client.HttpClients; +import org.apache.kafka.clients.CommonClientConfigs; +import org.apache.kafka.common.config.types.Password; +import org.apache.kafka.common.network.Mode; +import org.apache.kafka.common.utils.Utils; +import org.apache.kafka.connect.runtime.Herder; +import org.apache.kafka.connect.runtime.WorkerConfig; +import org.apache.kafka.connect.runtime.distributed.DistributedConfig; +import org.apache.kafka.connect.runtime.distributed.NotLeaderException; +import org.apache.kafka.connect.runtime.distributed.RequestTargetException; +import org.apache.kafka.connect.runtime.isolation.Plugins; +import org.apache.kafka.connect.runtime.rest.RestClient; +import org.apache.kafka.connect.runtime.rest.RestServer; +import org.apache.kafka.connect.runtime.rest.entities.ConnectorInfo; +import org.apache.kafka.connect.runtime.rest.entities.ConnectorType; +import org.apache.kafka.connect.runtime.rest.util.SSLUtils; +import org.apache.kafka.connect.util.Callback; +import org.apache.kafka.test.IntegrationTest; +import org.apache.kafka.test.TestSslUtils; +import org.apache.kafka.test.TestUtils; +import org.eclipse.jetty.util.ssl.SslContextFactory; +import org.junit.After; +import org.junit.Before; +import org.junit.Test; +import org.junit.experimental.categories.Category; +import org.junit.runner.RunWith; +import org.mockito.ArgumentCaptor; +import org.mockito.Mock; +import org.mockito.junit.MockitoJUnitRunner; + +import javax.net.ssl.SSLContext; +import java.io.IOException; +import java.net.URI; +import java.nio.charset.StandardCharsets; +import java.security.GeneralSecurityException; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.atomic.AtomicReference; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.ArgumentMatchers.anyBoolean; +import static org.mockito.Mockito.doAnswer; +import static org.mockito.Mockito.when; + +@RunWith(MockitoJUnitRunner.StrictStubs.class) +@SuppressWarnings("unchecked") +@Category(IntegrationTest.class) +public class RestForwardingIntegrationTest { + + private Map<String, Object> sslConfig; + @Mock + private Plugins plugins; + private RestClient followerClient; + private RestServer followerServer; + @Mock + private Herder followerHerder; + private RestClient leaderClient; + private RestServer leaderServer; + @Mock + private Herder leaderHerder; + + private SslContextFactory factory; + private CloseableHttpClient httpClient; + private Collection<CloseableHttpResponse> responses = new ArrayList<>(); + + @Before + public void setUp() throws IOException, GeneralSecurityException { + sslConfig = TestSslUtils.createSslConfig(false, true, Mode.SERVER, TestUtils.tempFile(), "testCert"); + } + + @After + public void tearDown() throws IOException { + for (CloseableHttpResponse response: responses) { + response.close(); + } + AtomicReference<Throwable> firstException = new AtomicReference<>(); + Utils.closeAllQuietly( + firstException, + "clientsAndServers", + httpClient, + followerServer != null ? followerServer::stop : null, + leaderServer != null ? leaderServer::stop : null, + factory != null ? factory::stop : null + ); + if (firstException.get() != null) { + throw new RuntimeException("Unable to cleanly close resources", firstException.get()); + } + } + + @Test + public void testRestForwardNoSsl() throws Exception { + // A cluster with no SSL configured whatsoever, using HTTP + testRestForwardToLeader(false, false, false); + } + + @Test + public void testRestForwardNoSslDualListener() throws Exception { + // A cluster configured with HTTPS listeners, but still advertising HTTP + testRestForwardToLeader(true, false, false); + } + + @Test + public void testRestForwardLeaderSsl() throws Exception { + // A heterogeneous cluster where the leader rolls to advertise HTTPS before the follower + testRestForwardToLeader(true, false, true); + } + + @Test + public void testRestForwardFollowerSsl() throws Exception { + // A heterogeneous cluster where the follower rolls to advertise HTTPS before the leader + testRestForwardToLeader(true, true, false); + } + @Test Review Comment: Nit: add a newline between test cases ```suggestion } @Test ``` -- This is an automated message from the Apache Git Service. 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