| /** |
| * 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.oozie.action.hadoop; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.filecache.DistributedCache; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.oozie.util.IOUtils; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStream; |
| import java.nio.charset.StandardCharsets; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * |
| */ |
| public class SharelibUtils { |
| |
| private static String findDir(String name) throws Exception { |
| return findDir(new File("foo").getAbsoluteFile().getParent(), name); |
| } |
| |
| private static String findDir(String baseDir, String name) throws Exception { |
| File dir = new File(baseDir, name).getAbsoluteFile(); |
| if (!dir.exists()) { |
| File parent = dir.getParentFile().getParentFile(); |
| if (parent != null) { |
| return findDir(parent.getAbsolutePath(), name); |
| } |
| else { |
| throw new RuntimeException("Sharelib dir not found: " + name); |
| } |
| } |
| return dir.getAbsolutePath(); |
| } |
| |
| private static String findClasspathFile(String sharelib) throws Exception { |
| String classpathFile = null; |
| String sharelibDir = findDir("sharelib"); |
| if (sharelibDir != null) { |
| File file = new File(new File(new File(sharelibDir, sharelib), "target"), "classpath"); |
| if (file.exists()) { |
| classpathFile = file.getAbsolutePath(); |
| } |
| else { |
| throw new RuntimeException("Sharelib classpath file for '" + sharelib + |
| "' not found, Run 'mvn generate-test-resources' from Oozie source root"); |
| } |
| } |
| return classpathFile; |
| } |
| |
| private static String[] getSharelibJars(String sharelib) throws Exception { |
| String classpathFile = findClasspathFile(sharelib); |
| BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(classpathFile), |
| StandardCharsets.UTF_8)); |
| String line = br.readLine(); |
| br.close(); |
| return line.split(System.getProperty("path.separator")); |
| } |
| |
| private static Path[] copySharelibJarsToFileSytem(String sharelib, FileSystem fs, Path targetDir) throws Exception { |
| String[] jars = getSharelibJars(sharelib); |
| List<Path> paths = new ArrayList<Path>(); |
| for (String jar : jars) { |
| if (jar.endsWith(".jar")) { |
| Path targetPath = new Path(targetDir, new File(jar).getName()); |
| InputStream is = new FileInputStream(jar); |
| OutputStream os = fs.create(targetPath); |
| IOUtils.copyStream(is, os); |
| paths.add(targetPath); |
| } |
| } |
| return paths.toArray(new Path[paths.size()]); |
| } |
| |
| public static void addToDistributedCache(String sharelib, FileSystem fs, Path targetDir, |
| Configuration conf) throws Exception { |
| Path[] paths = copySharelibJarsToFileSytem(sharelib, fs, targetDir); |
| for (Path path : paths) { |
| DistributedCache.addFileToClassPath(path, conf, fs); |
| } |
| } |
| |
| } |