| /* |
| * 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.flink.test.runtime; |
| |
| import org.apache.flink.api.common.functions.FlatMapFunction; |
| import org.apache.flink.api.java.DataSet; |
| import org.apache.flink.api.java.ExecutionEnvironment; |
| import org.apache.flink.api.java.tuple.Tuple2; |
| import org.apache.flink.configuration.Configuration; |
| import org.apache.flink.configuration.JobManagerOptions; |
| import org.apache.flink.configuration.TaskManagerOptions; |
| import org.apache.flink.runtime.akka.AkkaUtils; |
| import org.apache.flink.runtime.testutils.MiniClusterResourceConfiguration; |
| import org.apache.flink.test.testdata.WordCountData; |
| import org.apache.flink.test.util.MiniClusterWithClientResource; |
| import org.apache.flink.test.util.TestBaseUtils; |
| import org.apache.flink.testutils.junit.category.AlsoRunWithSchedulerNG; |
| import org.apache.flink.util.Collector; |
| import org.apache.flink.util.NetUtils; |
| import org.apache.flink.util.TestLogger; |
| |
| import akka.actor.ActorSystem; |
| import org.junit.AssumptionViolatedException; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import java.io.IOException; |
| import java.net.Inet6Address; |
| import java.net.InetAddress; |
| import java.net.InetSocketAddress; |
| import java.net.NetworkInterface; |
| import java.net.ServerSocket; |
| import java.util.Enumeration; |
| import java.util.List; |
| |
| import scala.Some; |
| |
| import static org.junit.Assert.fail; |
| |
| /** |
| * Test proper handling of IPv6 address literals in URLs. |
| */ |
| @SuppressWarnings("serial") |
| @Category(AlsoRunWithSchedulerNG.class) |
| public class IPv6HostnamesITCase extends TestLogger { |
| |
| @Rule |
| public final MiniClusterWithClientResource miniClusterResource = new MiniClusterWithClientResource( |
| new MiniClusterResourceConfiguration.Builder() |
| .setConfiguration(getConfiguration()) |
| .setNumberTaskManagers(2) |
| .setNumberSlotsPerTaskManager(2) |
| .build()); |
| |
| private Configuration getConfiguration() { |
| final Inet6Address ipv6address = getLocalIPv6Address(); |
| if (ipv6address == null) { |
| throw new AssumptionViolatedException("--- Cannot find a non-loopback local IPv6 address that Akka/Netty can bind to; skipping IPv6HostnamesITCase"); |
| } |
| final String addressString = ipv6address.getHostAddress(); |
| log.info("Test will use IPv6 address " + addressString + " for connection tests"); |
| |
| Configuration config = new Configuration(); |
| config.setString(JobManagerOptions.ADDRESS, addressString); |
| config.setString(TaskManagerOptions.HOST, addressString); |
| config.setString(TaskManagerOptions.LEGACY_MANAGED_MEMORY_SIZE, "16m"); |
| return config; |
| } |
| |
| @Test |
| public void testClusterWithIPv6host() { |
| try { |
| |
| ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); |
| env.setParallelism(4); |
| |
| // get input data |
| DataSet<String> text = env.fromElements(WordCountData.TEXT.split("\n")); |
| |
| DataSet<Tuple2<String, Integer>> counts = text |
| .flatMap(new FlatMapFunction<String, Tuple2<String, Integer>>() { |
| @Override |
| public void flatMap(String value, Collector<Tuple2<String, Integer>> out) throws Exception { |
| for (String token : value.toLowerCase().split("\\W+")) { |
| if (token.length() > 0) { |
| out.collect(new Tuple2<String, Integer>(token, 1)); |
| } |
| } |
| } |
| }) |
| .groupBy(0).sum(1); |
| |
| List<Tuple2<String, Integer>> result = counts.collect(); |
| |
| TestBaseUtils.compareResultAsText(result, WordCountData.COUNTS_AS_TUPLES); |
| } |
| catch (Exception e) { |
| e.printStackTrace(); |
| fail(e.getMessage()); |
| } |
| } |
| |
| private Inet6Address getLocalIPv6Address() { |
| try { |
| Enumeration<NetworkInterface> e = NetworkInterface.getNetworkInterfaces(); |
| while (e.hasMoreElements()) { |
| NetworkInterface netInterface = e.nextElement(); |
| |
| // for each address of the network interface |
| Enumeration<InetAddress> ee = netInterface.getInetAddresses(); |
| while (ee.hasMoreElements()) { |
| InetAddress addr = ee.nextElement(); |
| |
| if (addr instanceof Inet6Address && (!addr.isLoopbackAddress()) && (!addr.isAnyLocalAddress())) { |
| // see if it is possible to bind to the address |
| InetSocketAddress socketAddress = new InetSocketAddress(addr, 0); |
| |
| try { |
| log.info("Considering address " + addr); |
| |
| // test whether we can bind a socket to that address |
| log.info("Testing whether sockets can bind to " + addr); |
| ServerSocket sock = new ServerSocket(); |
| sock.bind(socketAddress); |
| sock.close(); |
| |
| // test whether Akka's netty can bind to the address |
| log.info("Testing whether Akka can use " + addr); |
| int port = NetUtils.getAvailablePort(); |
| ActorSystem as = AkkaUtils.createActorSystem( |
| new Configuration(), |
| new Some<scala.Tuple2<String, Object>>(new scala.Tuple2<String, Object>(addr.getHostAddress(), port))); |
| as.terminate(); |
| |
| log.info("Using address " + addr); |
| return (Inet6Address) addr; |
| } |
| catch (IOException ignored) { |
| // fall through the loop |
| } |
| } |
| } |
| } |
| |
| return null; |
| } |
| catch (Exception e) { |
| return null; |
| } |
| } |
| } |