| /** |
| * 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.client.util; |
| |
| import java.io.IOException; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.junit.Test; |
| import static org.junit.Assert.*; |
| |
| /** |
| * Tests for the YarnClientUtils class |
| */ |
| public class TestYarnClientUtils { |
| /** |
| * Test of getRMPrincipal(Configuration) method, of class YarnClientUtils |
| * when HA is not enabled. |
| * |
| * @throws java.io.IOException thrown if stuff breaks |
| */ |
| @Test |
| public void testGetRMPrincipalStandAlone_Configuration() throws IOException { |
| Configuration conf = new Configuration(); |
| |
| conf.set(YarnConfiguration.RM_ADDRESS, "myhost"); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, false); |
| |
| String result = YarnClientUtils.getRmPrincipal(conf); |
| |
| assertNull("The hostname translation did return null when the principal is " |
| + "missing from the conf: " + result, result); |
| |
| conf = new Configuration(); |
| |
| conf.set(YarnConfiguration.RM_ADDRESS, "myhost"); |
| conf.set(YarnConfiguration.RM_PRINCIPAL, "test/_HOST@REALM"); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, false); |
| |
| result = YarnClientUtils.getRmPrincipal(conf); |
| |
| assertEquals("The hostname translation did not produce the expected " |
| + "results: " + result, "test/myhost@REALM", result); |
| |
| conf.set(YarnConfiguration.RM_PRINCIPAL, "test/yourhost@REALM"); |
| |
| result = YarnClientUtils.getRmPrincipal(conf); |
| |
| assertEquals("The hostname translation did not produce the expected " |
| + "results: " + result, "test/yourhost@REALM", result); |
| } |
| |
| /** |
| * Test of getRMPrincipal(Configuration) method, of class YarnClientUtils |
| * when HA is enabled. |
| * |
| * @throws java.io.IOException thrown if stuff breaks |
| */ |
| @Test |
| public void testGetRMPrincipalHA_Configuration() throws IOException { |
| Configuration conf = new Configuration(); |
| |
| conf.set(YarnConfiguration.RM_ADDRESS, "myhost"); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, true); |
| |
| String result = YarnClientUtils.getRmPrincipal(conf); |
| |
| assertNull("The hostname translation did return null when the principal is " |
| + "missing from the conf: " + result, result); |
| |
| conf = new Configuration(); |
| |
| conf.set(YarnConfiguration.RM_ADDRESS + ".rm0", "myhost"); |
| conf.set(YarnConfiguration.RM_PRINCIPAL, "test/_HOST@REALM"); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, true); |
| conf.set(YarnConfiguration.RM_HA_IDS, "rm0"); |
| |
| result = YarnClientUtils.getRmPrincipal(conf); |
| |
| assertEquals("The hostname translation did not produce the expected " |
| + "results: " + result, "test/myhost@REALM", result); |
| |
| conf = new Configuration(); |
| |
| conf.set(YarnConfiguration.RM_ADDRESS + ".rm0", "myhost"); |
| conf.set(YarnConfiguration.RM_PRINCIPAL, "test/_HOST@REALM"); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, true); |
| |
| try { |
| result = YarnClientUtils.getRmPrincipal(conf); |
| fail("The hostname translation succeeded even though no RM ids were " |
| + "set: " + result); |
| } catch (IOException ex) { |
| // Expected |
| } |
| |
| conf = new Configuration(); |
| |
| conf.set(YarnConfiguration.RM_ADDRESS + ".rm0", "myhost"); |
| conf.set(YarnConfiguration.RM_PRINCIPAL, "test/_HOST@REALM"); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, true); |
| conf.set(YarnConfiguration.RM_HA_ID, "rm0"); |
| |
| result = YarnClientUtils.getRmPrincipal(conf); |
| |
| assertEquals("The hostname translation did not produce the expected " |
| + "results: " + result, "test/myhost@REALM", result); |
| |
| conf.set(YarnConfiguration.RM_PRINCIPAL, "test/yourhost@REALM"); |
| |
| result = YarnClientUtils.getRmPrincipal(conf); |
| |
| assertEquals("The hostname translation did not produce the expected " |
| + "results: " + result, "test/yourhost@REALM", result); |
| } |
| |
| /** |
| * Test of getRMPrincipal(Configuration) method, of class YarnClientUtils |
| * when HA is not enabled. |
| * |
| * @throws java.io.IOException thrown if stuff breaks |
| */ |
| @Test |
| public void testGetRMPrincipalStandAlone_String() throws IOException { |
| Configuration conf = new Configuration(); |
| |
| conf.set(YarnConfiguration.RM_ADDRESS, "myhost"); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, false); |
| |
| String result = YarnClientUtils.getRmPrincipal("test/_HOST@REALM", conf); |
| |
| assertEquals("The hostname translation did not produce the expected " |
| + "results: " + result, "test/myhost@REALM", result); |
| |
| result = YarnClientUtils.getRmPrincipal("test/yourhost@REALM", conf); |
| |
| assertEquals("The hostname translation did not produce the expected " |
| + "results: " + result, "test/yourhost@REALM", result); |
| |
| try { |
| result = YarnClientUtils.getRmPrincipal(null, conf); |
| fail("The hostname translation succeeded even though the RM principal " |
| + "was null: " + result); |
| } catch (IllegalArgumentException ex) { |
| // Expected |
| } |
| } |
| |
| /** |
| * Test of getRMPrincipal(Configuration) method, of class YarnClientUtils |
| * when HA is enabled. |
| * |
| * @throws java.io.IOException thrown if stuff breaks |
| */ |
| @Test |
| public void testGetRMPrincipalHA_String() throws IOException { |
| Configuration conf = new Configuration(); |
| |
| conf.set(YarnConfiguration.RM_ADDRESS + ".rm0", "myhost"); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, true); |
| conf.set(YarnConfiguration.RM_HA_IDS, "rm0"); |
| |
| String result = YarnClientUtils.getRmPrincipal("test/_HOST@REALM", conf); |
| |
| assertEquals("The hostname translation did not produce the expected " |
| + "results: " + result, "test/myhost@REALM", result); |
| |
| try { |
| result = YarnClientUtils.getRmPrincipal(null, conf); |
| fail("The hostname translation succeeded even though the RM principal " |
| + "was null: " + result); |
| } catch (IllegalArgumentException ex) { |
| // Expected |
| } |
| |
| conf = new Configuration(); |
| |
| conf.set(YarnConfiguration.RM_ADDRESS + ".rm0", "myhost"); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, true); |
| |
| try { |
| YarnClientUtils.getRmPrincipal("test/_HOST@REALM", conf); |
| fail("The hostname translation succeeded even though no RM ids were set"); |
| } catch (IOException ex) { |
| // Expected |
| } |
| |
| conf = new Configuration(); |
| |
| conf.set(YarnConfiguration.RM_ADDRESS + ".rm0", "myhost"); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, true); |
| conf.set(YarnConfiguration.RM_HA_ID, "rm0"); |
| |
| result = YarnClientUtils.getRmPrincipal("test/_HOST@REALM", conf); |
| |
| assertEquals("The hostname translation did not produce the expected " |
| + "results: " + result, "test/myhost@REALM", result); |
| |
| result = YarnClientUtils.getRmPrincipal("test/yourhost@REALM", conf); |
| |
| assertEquals("The hostname translation did not produce the expected " |
| + "results: " + result, "test/yourhost@REALM", result); |
| } |
| |
| /** |
| * Test of getRMPrincipal method of class YarnClientUtils. |
| * |
| * @throws IOException thrown when something breaks |
| */ |
| @Test |
| public void testGetYarnConfWithRmHaId() throws IOException { |
| Configuration conf = new Configuration(); |
| |
| conf.set(YarnConfiguration.RM_HA_ID, "rm0"); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, false); |
| |
| YarnConfiguration result = YarnClientUtils.getYarnConfWithRmHaId(conf); |
| |
| assertSameConf(conf, result); |
| assertEquals("RM_HA_ID was changed when it shouldn't have been: " |
| + result.get(YarnConfiguration.RM_HA_ID), "rm0", |
| result.get(YarnConfiguration.RM_HA_ID)); |
| |
| conf = new Configuration(); |
| |
| conf.set(YarnConfiguration.RM_HA_ID, "rm0"); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, true); |
| |
| result = YarnClientUtils.getYarnConfWithRmHaId(conf); |
| |
| assertSameConf(conf, result); |
| assertEquals("RM_HA_ID was changed when it shouldn't have been: " |
| + result.get(YarnConfiguration.RM_HA_ID), "rm0", |
| result.get(YarnConfiguration.RM_HA_ID)); |
| |
| conf = new Configuration(); |
| |
| conf.set(YarnConfiguration.RM_HA_IDS, "rm0,rm1"); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, true); |
| |
| result = YarnClientUtils.getYarnConfWithRmHaId(conf); |
| |
| assertSameConf(conf, result); |
| assertEquals("RM_HA_ID was not set correctly: " |
| + result.get(YarnConfiguration.RM_HA_ID), "rm0", |
| result.get(YarnConfiguration.RM_HA_ID)); |
| |
| conf = new Configuration(); |
| |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, true); |
| |
| try { |
| YarnClientUtils.getYarnConfWithRmHaId(conf); |
| fail("Allowed invalid HA configuration: HA is enabled, but no RM ID " |
| + "is set"); |
| } catch (IOException ex) { |
| // Expected |
| } |
| } |
| |
| /** |
| * Compare two configurations to see that they both have the same values. |
| * The YarnConfiguration.RM_HA_ID property is ignored, as it as expected to |
| * change and be tested external to this method. |
| * |
| * @param master the master Configuration |
| * @param copy the copy Configuration |
| */ |
| private void assertSameConf(Configuration master, YarnConfiguration copy) { |
| Set<String> seen = new HashSet<>(); |
| Iterator<Entry<String, String>> itr = master.iterator(); |
| |
| // Always ignore the RM_HA_ID, because we expect it to change |
| seen.add(YarnConfiguration.RM_HA_ID); |
| |
| while (itr.hasNext()) { |
| Entry<String, String> property = itr.next(); |
| String key = property.getKey(); |
| |
| if (!seen.add(key)) { |
| // Here we use master.get() instead of property.getValue() because |
| // they're not the same thing. |
| assertEquals("New configuration changed the value of " |
| + key, master.get(key), copy.get(key)); |
| } |
| } |
| |
| itr = copy.iterator(); |
| |
| while (itr.hasNext()) { |
| Entry<String, String> property = itr.next(); |
| String key = property.getKey(); |
| |
| if (!seen.contains(property.getKey())) { |
| assertEquals("New configuration changed the value of " |
| + key, copy.get(key), |
| master.get(key)); |
| } |
| } |
| } |
| } |