| /** |
| * 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; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.yarn.conf.HAUtil; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.server.resourcemanager.HATestUtil; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import java.io.IOException; |
| |
| public class TestMiniYarnCluster { |
| |
| @Test |
| public void testTimelineServiceStartInMiniCluster() throws Exception { |
| Configuration conf = new YarnConfiguration(); |
| int numNodeManagers = 1; |
| int numLocalDirs = 1; |
| int numLogDirs = 1; |
| boolean enableAHS; |
| |
| /* |
| * Timeline service should not start if TIMELINE_SERVICE_ENABLED == false |
| * and enableAHS flag == false |
| */ |
| conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, false); |
| enableAHS = false; |
| try (MiniYARNCluster cluster = |
| new MiniYARNCluster(TestMiniYarnCluster.class.getSimpleName(), |
| numNodeManagers, numLocalDirs, numLogDirs, numLogDirs, |
| enableAHS)) { |
| |
| cluster.init(conf); |
| cluster.start(); |
| |
| //verify that the timeline service is not started. |
| Assert.assertNull("Timeline Service should not have been started", |
| cluster.getApplicationHistoryServer()); |
| } |
| |
| /* |
| * Timeline service should start if TIMELINE_SERVICE_ENABLED == true |
| * and enableAHS == false |
| */ |
| conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, true); |
| enableAHS = false; |
| try (MiniYARNCluster cluster = |
| new MiniYARNCluster(TestMiniYarnCluster.class.getSimpleName(), |
| numNodeManagers, numLocalDirs, numLogDirs, numLogDirs, |
| enableAHS)) { |
| cluster.init(conf); |
| |
| // Verify that the timeline-service starts on ephemeral ports by default |
| String hostname = MiniYARNCluster.getHostname(); |
| Assert.assertEquals(hostname + ":0", |
| conf.get(YarnConfiguration.TIMELINE_SERVICE_ADDRESS)); |
| |
| cluster.start(); |
| |
| //Timeline service may sometime take a while to get started |
| int wait = 0; |
| while(cluster.getApplicationHistoryServer() == null && wait < 20) { |
| Thread.sleep(500); |
| wait++; |
| } |
| //verify that the timeline service is started. |
| Assert.assertNotNull("Timeline Service should have been started", |
| cluster.getApplicationHistoryServer()); |
| } |
| /* |
| * Timeline service should start if TIMELINE_SERVICE_ENABLED == false |
| * and enableAHS == true |
| */ |
| conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, false); |
| enableAHS = true; |
| try (MiniYARNCluster cluster = |
| new MiniYARNCluster(TestMiniYarnCluster.class.getSimpleName(), |
| numNodeManagers, numLocalDirs, numLogDirs, numLogDirs, |
| enableAHS)) { |
| cluster.init(conf); |
| cluster.start(); |
| |
| //Timeline service may sometime take a while to get started |
| int wait = 0; |
| while(cluster.getApplicationHistoryServer() == null && wait < 20) { |
| Thread.sleep(500); |
| wait++; |
| } |
| //verify that the timeline service is started. |
| Assert.assertNotNull("Timeline Service should have been started", |
| cluster.getApplicationHistoryServer()); |
| } |
| } |
| |
| @Test |
| public void testMultiRMConf() throws IOException { |
| String RM1_NODE_ID = "rm1", RM2_NODE_ID = "rm2"; |
| int RM1_PORT_BASE = 10000, RM2_PORT_BASE = 20000; |
| Configuration conf = new YarnConfiguration(); |
| conf.set(YarnConfiguration.RM_CLUSTER_ID, "yarn-test-cluster"); |
| conf.setBoolean(YarnConfiguration.RECOVERY_ENABLED, true); |
| conf.setBoolean(YarnConfiguration.RM_HA_ENABLED, true); |
| conf.setBoolean(YarnConfiguration.AUTO_FAILOVER_ENABLED, false); |
| conf.set(YarnConfiguration.RM_HA_IDS, RM1_NODE_ID + "," + RM2_NODE_ID); |
| HATestUtil.setRpcAddressForRM(RM1_NODE_ID, RM1_PORT_BASE, conf); |
| HATestUtil.setRpcAddressForRM(RM2_NODE_ID, RM2_PORT_BASE, conf); |
| conf.setBoolean(YarnConfiguration.YARN_MINICLUSTER_FIXED_PORTS, true); |
| conf.setBoolean(YarnConfiguration.YARN_MINICLUSTER_USE_RPC, true); |
| |
| try (MiniYARNCluster cluster = |
| new MiniYARNCluster(TestMiniYarnCluster.class.getName(), |
| 2, 0, 1, 1)) { |
| cluster.init(conf); |
| Configuration conf1 = cluster.getResourceManager(0).getConfig(), |
| conf2 = cluster.getResourceManager(1).getConfig(); |
| Assert.assertFalse(conf1 == conf2); |
| Assert.assertEquals("0.0.0.0:18032", |
| conf1.get(HAUtil.addSuffix(YarnConfiguration.RM_ADDRESS, |
| RM1_NODE_ID))); |
| Assert.assertEquals("0.0.0.0:28032", |
| conf1.get(HAUtil.addSuffix(YarnConfiguration.RM_ADDRESS, |
| RM2_NODE_ID))); |
| Assert.assertEquals("rm1", conf1.get(YarnConfiguration.RM_HA_ID)); |
| |
| Assert.assertEquals("0.0.0.0:18032", |
| conf2.get(HAUtil.addSuffix(YarnConfiguration.RM_ADDRESS, |
| RM1_NODE_ID))); |
| Assert.assertEquals("0.0.0.0:28032", |
| conf2.get(HAUtil.addSuffix(YarnConfiguration.RM_ADDRESS, |
| RM2_NODE_ID))); |
| Assert.assertEquals("rm2", conf2.get(YarnConfiguration.RM_HA_ID)); |
| } |
| } |
| } |