| /* |
| * 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.yarn; |
| |
| import org.apache.flink.configuration.Configuration; |
| import org.apache.flink.yarn.configuration.YarnLogConfigUtil; |
| |
| import org.apache.hadoop.util.VersionInfo; |
| import org.apache.hadoop.yarn.client.api.YarnClient; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| |
| import java.io.DataOutputStream; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.Map; |
| |
| /** Utility class for Yarn tests. */ |
| public class YarnTestUtils { |
| |
| static boolean isHadoopVersionGreaterThanOrEquals(final int major, final int minor) { |
| final String[] splitVersion = VersionInfo.getVersion().split("\\."); |
| final int[] versions = Arrays.stream(splitVersion).mapToInt(Integer::parseInt).toArray(); |
| return versions[0] >= major && versions[1] >= minor; |
| } |
| |
| private YarnTestUtils() { |
| throw new UnsupportedOperationException("This class should never be instantiated."); |
| } |
| |
| public static YarnClusterDescriptor createClusterDescriptorWithLogging( |
| final String flinkConfDir, |
| final Configuration flinkConfiguration, |
| final YarnConfiguration yarnConfiguration, |
| final YarnClient yarnClient, |
| final boolean sharedYarnClient) { |
| final Configuration effectiveConfiguration = |
| configureLogFile(flinkConfiguration, flinkConfDir); |
| return new YarnClusterDescriptor( |
| effectiveConfiguration, |
| yarnConfiguration, |
| yarnClient, |
| YarnClientYarnClusterInformationRetriever.create(yarnClient), |
| sharedYarnClient); |
| } |
| |
| public static Configuration configureLogFile( |
| Configuration flinkConfiguration, String flinkConfDir) { |
| return YarnLogConfigUtil.setLogConfigFileInConfig(flinkConfiguration, flinkConfDir); |
| } |
| |
| /** |
| * Creates a series of files with the provided content in the specified directory. |
| * |
| * @param directory the directory in which to create the files. |
| * @param srcFiles a map of the relative path to the final file and its desired content. |
| */ |
| public static void generateFilesInDirectory(File directory, Map<String, String> srcFiles) |
| throws IOException { |
| |
| for (Map.Entry<String, String> src : srcFiles.entrySet()) { |
| File file = new File(directory, src.getKey()); |
| //noinspection ResultOfMethodCallIgnored |
| file.getParentFile().mkdirs(); |
| try (DataOutputStream out = new DataOutputStream(new FileOutputStream(file))) { |
| out.writeUTF(src.getValue()); |
| } |
| } |
| } |
| } |