1 /** 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 package org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt; 19 20 import org.apache.hadoop.security.UserGroupInformation; 21 import org.apache.hadoop.service.Service; 22 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; 23 import org.apache.hadoop.yarn.conf.YarnConfiguration; 24 import org.apache.hadoop.yarn.event.Dispatcher; 25 import org.apache.hadoop.yarn.server.resourcemanager.MockRM; 26 import org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore; 27 import org.apache.hadoop.yarn.util.ControlledClock; 28 import org.apache.hadoop.yarn.util.SystemClock; 29 import org.junit.Assert; 30 import org.junit.Test; 31 32 import static org.mockito.Mockito.mock; 33 34 public class TestAMLivelinessMonitor { 35 36 @Test(timeout = 10000) testResetTimer()37 public void testResetTimer() throws Exception { 38 YarnConfiguration conf = new YarnConfiguration(); 39 UserGroupInformation.setConfiguration(conf); 40 conf.set(YarnConfiguration.RECOVERY_ENABLED, "true"); 41 conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName()); 42 conf.setBoolean(YarnConfiguration.RM_WORK_PRESERVING_RECOVERY_ENABLED, true); 43 conf.setInt(YarnConfiguration.RM_AM_EXPIRY_INTERVAL_MS, 6000); 44 final ControlledClock clock = new ControlledClock(new SystemClock()); 45 clock.setTime(0); 46 MemoryRMStateStore memStore = new MemoryRMStateStore() { 47 @Override 48 public synchronized RMState loadState() throws Exception { 49 clock.setTime(8000); 50 return super.loadState(); 51 } 52 }; 53 memStore.init(conf); 54 final ApplicationAttemptId attemptId = mock(ApplicationAttemptId.class); 55 final Dispatcher dispatcher = mock(Dispatcher.class); 56 final boolean[] expired = new boolean[]{false}; 57 final AMLivelinessMonitor monitor = new AMLivelinessMonitor( 58 dispatcher, clock) { 59 @Override 60 protected void expire(ApplicationAttemptId id) { 61 Assert.assertEquals(id, attemptId); 62 expired[0] = true; 63 } 64 }; 65 monitor.register(attemptId); 66 MockRM rm = new MockRM(conf, memStore) { 67 @Override 68 protected AMLivelinessMonitor createAMLivelinessMonitor() { 69 return monitor; 70 } 71 }; 72 rm.start(); 73 // make sure that monitor has started 74 while (monitor.getServiceState() != Service.STATE.STARTED) { 75 Thread.sleep(100); 76 } 77 // expired[0] would be set to true without resetTimer 78 Assert.assertFalse(expired[0]); 79 rm.stop(); 80 } 81 } 82