| /** |
| * 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.nodemanager.timelineservice; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import java.io.IOException; |
| import java.util.Iterator; |
| import java.util.Map.Entry; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity; |
| import org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric; |
| import org.apache.hadoop.yarn.client.api.impl.TimelineClientImpl; |
| import org.apache.hadoop.yarn.exceptions.YarnException; |
| import org.apache.hadoop.yarn.server.nodemanager.Context; |
| import org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container; |
| import org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestNMTimelinePublisher { |
| private static final String MEMORY_ID = "MEMORY"; |
| private static final String CPU_ID = "CPU"; |
| |
| @Test |
| public void testContainerResourceUsage() { |
| Context context = mock(Context.class); |
| @SuppressWarnings("unchecked") |
| final DummyTimelineClient timelineClient = new DummyTimelineClient(); |
| when(context.getNodeId()).thenReturn(NodeId.newInstance("localhost", 0)); |
| when(context.getHttpPort()).thenReturn(0); |
| NMTimelinePublisher publisher = new NMTimelinePublisher(context) { |
| public void createTimelineClient(ApplicationId appId) { |
| if (!getAppToClientMap().containsKey(appId)) { |
| getAppToClientMap().put(appId, timelineClient); |
| } |
| } |
| }; |
| publisher.init(new Configuration()); |
| publisher.start(); |
| ApplicationId appId = ApplicationId.newInstance(0, 1); |
| publisher.createTimelineClient(appId); |
| Container aContainer = mock(Container.class); |
| when(aContainer.getContainerId()).thenReturn(ContainerId.newContainerId( |
| ApplicationAttemptId.newInstance(appId, 1), |
| 0L)); |
| publisher.reportContainerResourceUsage(aContainer, 1024L, 8F); |
| verifyPublishedResourceUsageMetrics(timelineClient, 1024L, 8); |
| timelineClient.reset(); |
| |
| publisher.reportContainerResourceUsage(aContainer, 1024L, 0.8F); |
| verifyPublishedResourceUsageMetrics(timelineClient, 1024L, 1); |
| timelineClient.reset(); |
| |
| publisher.reportContainerResourceUsage(aContainer, 1024L, 0.49F); |
| verifyPublishedResourceUsageMetrics(timelineClient, 1024L, 0); |
| timelineClient.reset(); |
| |
| publisher.reportContainerResourceUsage(aContainer, 1024L, |
| (float) ResourceCalculatorProcessTree.UNAVAILABLE); |
| verifyPublishedResourceUsageMetrics(timelineClient, 1024L, |
| ResourceCalculatorProcessTree.UNAVAILABLE); |
| publisher.stop(); |
| } |
| |
| private void verifyPublishedResourceUsageMetrics( |
| DummyTimelineClient timelineClient, long memoryUsage, int cpuUsage) { |
| TimelineEntity[] entities = null; |
| for (int i = 0; i < 10; i++) { |
| entities = timelineClient.getLastPublishedEntities(); |
| if (entities != null) { |
| break; |
| } |
| try { |
| Thread.sleep(150L); |
| } catch (InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| } |
| } |
| int numberOfResourceMetrics = 0; |
| numberOfResourceMetrics += |
| (memoryUsage == ResourceCalculatorProcessTree.UNAVAILABLE) ? 0 : 1; |
| numberOfResourceMetrics += |
| (cpuUsage == ResourceCalculatorProcessTree.UNAVAILABLE) ? 0 : 1; |
| assertNotNull("entities are expected to be published", entities); |
| assertEquals("Expected number of metrics notpublished", |
| numberOfResourceMetrics, entities[0].getMetrics().size()); |
| Iterator<TimelineMetric> metrics = entities[0].getMetrics().iterator(); |
| while (metrics.hasNext()) { |
| TimelineMetric metric = metrics.next(); |
| Iterator<Entry<Long, Number>> entrySet; |
| switch (metric.getId()) { |
| case CPU_ID: |
| if (cpuUsage == ResourceCalculatorProcessTree.UNAVAILABLE) { |
| Assert.fail("Not Expecting CPU Metric to be published"); |
| } |
| entrySet = metric.getValues().entrySet().iterator(); |
| assertEquals("CPU usage metric not matching", cpuUsage, |
| entrySet.next().getValue()); |
| break; |
| case MEMORY_ID: |
| if (memoryUsage == ResourceCalculatorProcessTree.UNAVAILABLE) { |
| Assert.fail("Not Expecting Memory Metric to be published"); |
| } |
| entrySet = metric.getValues().entrySet().iterator(); |
| assertEquals("Memory usage metric not matching", memoryUsage, |
| entrySet.next().getValue()); |
| break; |
| default: |
| Assert.fail("Invalid Resource Usage metric"); |
| break; |
| } |
| } |
| } |
| |
| protected static class DummyTimelineClient extends TimelineClientImpl { |
| private TimelineEntity[] lastPublishedEntities; |
| |
| @Override |
| public void putEntitiesAsync(TimelineEntity... entities) |
| throws IOException, YarnException { |
| this.lastPublishedEntities = entities; |
| } |
| |
| public TimelineEntity[] getLastPublishedEntities() { |
| return lastPublishedEntities; |
| } |
| |
| public void reset() { |
| lastPublishedEntities = null; |
| } |
| } |
| } |