| /* |
| * 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.hadoop.yarn.server.resourcemanager.scheduler.fair.converter; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairSchedulerConfiguration; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.allocationfile.AllocationFileQueue; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.allocationfile.AllocationFileWriter; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.io.PrintStream; |
| import java.io.PrintWriter; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Helper methods for FS->CS converter testing. |
| * |
| */ |
| public class FSConfigConverterTestCommons { |
| public final static String TEST_DIR = |
| new File(System.getProperty("test.build.data", "/tmp")).getAbsolutePath(); |
| public final static String FS_ALLOC_FILE = |
| new File(TEST_DIR, "test-fair-scheduler.xml").getAbsolutePath(); |
| public final static String YARN_SITE_XML = |
| new File(TEST_DIR, "test-yarn-site.xml").getAbsolutePath(); |
| public final static String CONVERSION_RULES_FILE = |
| new File(TEST_DIR, "test-conversion-rules.properties").getAbsolutePath(); |
| public final static String OUTPUT_DIR = |
| new File(TEST_DIR, "conversion-output").getAbsolutePath(); |
| |
| private final ByteArrayOutputStream outContent = new ByteArrayOutputStream(); |
| private final ByteArrayOutputStream errContent = new ByteArrayOutputStream(); |
| private PrintStream originalOutStream; |
| private PrintStream originalErrStream; |
| |
| public FSConfigConverterTestCommons() { |
| saveOriginalStreams(); |
| replaceStreamsWithByteArrays(); |
| } |
| |
| public void setUp() throws IOException { |
| File d = new File(TEST_DIR, "conversion-output"); |
| if (d.exists()) { |
| FileUtils.deleteDirectory(d); |
| } |
| boolean success = d.mkdirs(); |
| assertTrue("Can't create directory: " + d.getAbsolutePath(), success); |
| } |
| |
| public void tearDown() { |
| deleteTestFiles(); |
| restoreStreams(); |
| } |
| |
| private void saveOriginalStreams() { |
| originalOutStream = System.out; |
| originalErrStream = System.err; |
| } |
| |
| private void replaceStreamsWithByteArrays() { |
| System.setOut(new PrintStream(outContent)); |
| System.setErr(new PrintStream(errContent)); |
| } |
| |
| private void restoreStreams() { |
| System.setOut(originalOutStream); |
| System.setErr(originalErrStream); |
| } |
| |
| ByteArrayOutputStream getErrContent() { |
| return errContent; |
| } |
| |
| ByteArrayOutputStream getStdOutContent() { |
| return outContent; |
| } |
| |
| public void deleteTestFiles() { |
| //Files may not be created so we are not strict here! |
| deleteFile(FS_ALLOC_FILE, false); |
| deleteFile(YARN_SITE_XML, false); |
| deleteFile(CONVERSION_RULES_FILE, false); |
| deleteFile(OUTPUT_DIR, false); |
| } |
| |
| private static void deleteFile(String f, boolean strict) { |
| boolean delete = new File(f).delete(); |
| if (strict && !delete) { |
| throw new RuntimeException("Can't delete test file: " + f); |
| } |
| } |
| |
| public static void setupFSConfigConversionFiles() throws IOException { |
| configureFairSchedulerXml(); |
| configureYarnSiteXmlWithFsAllocFileDefined(); |
| configureDummyConversionRulesFile(); |
| } |
| |
| public static void configureFairSchedulerXml() { |
| AllocationFileWriter.create() |
| .disableQueueMaxAMShareDefault() |
| .fairDefaultQueueSchedulingPolicy() |
| .addQueue(new AllocationFileQueue.Builder("root") |
| .schedulingPolicy("fair") |
| .weight(1.0f) |
| .fairSharePreemptionTimeout(100) |
| .minSharePreemptionTimeout(120) |
| .fairSharePreemptionThreshold(0.5f) |
| .build()) |
| .writeToFile(FS_ALLOC_FILE); |
| } |
| |
| public static void configureEmptyFairSchedulerXml() { |
| AllocationFileWriter.create() |
| .writeToFile(FS_ALLOC_FILE); |
| } |
| |
| public static void configureYarnSiteXmlWithFsAllocFileDefined() |
| throws IOException { |
| PrintWriter out = new PrintWriter(new FileWriter(YARN_SITE_XML)); |
| out.println("<?xml version=\"1.0\"?>"); |
| out.println("<property>"); |
| out.println("<name>" + FairSchedulerConfiguration.ALLOCATION_FILE + |
| "</name>"); |
| out.println("<value>" + FS_ALLOC_FILE + "</value>"); |
| out.println("</property>"); |
| out.close(); |
| } |
| |
| public static void configureEmptyYarnSiteXml() throws IOException { |
| PrintWriter out = new PrintWriter(new FileWriter(YARN_SITE_XML)); |
| out.println("<?xml version=\"1.0\"?>"); |
| out.println("<property></property>"); |
| out.close(); |
| } |
| |
| public static void configureDummyConversionRulesFile() throws IOException { |
| PrintWriter out = new PrintWriter(new FileWriter(CONVERSION_RULES_FILE)); |
| out.println("dummy_key=dummy_value"); |
| out.close(); |
| } |
| |
| public static void configureInvalidConversionRulesFile() throws IOException { |
| PrintWriter out = new PrintWriter(new FileWriter(CONVERSION_RULES_FILE)); |
| out.println("bla"); |
| out.close(); |
| } |
| |
| public static void configureEmptyConversionRulesFile() throws IOException { |
| PrintWriter out = new PrintWriter(new FileWriter(CONVERSION_RULES_FILE)); |
| out.close(); |
| } |
| } |