| /** |
| * 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.ozone.scm.pipeline; |
| |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.ozone.MiniOzoneCluster; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import javax.management.MBeanServer; |
| import javax.management.ObjectName; |
| import javax.management.openmbean.CompositeData; |
| import javax.management.openmbean.TabularData; |
| import java.io.IOException; |
| import java.lang.management.ManagementFactory; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.concurrent.TimeoutException; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| /** |
| * Test cases to verify the metrics exposed by SCMPipelineManager via MXBean. |
| */ |
| public class TestPipelineManagerMXBean { |
| |
| private MiniOzoneCluster cluster; |
| private static MBeanServer mbs; |
| |
| @Before |
| public void init() |
| throws IOException, TimeoutException, InterruptedException { |
| OzoneConfiguration conf = new OzoneConfiguration(); |
| cluster = MiniOzoneCluster.newBuilder(conf).build(); |
| cluster.waitForClusterToBeReady(); |
| mbs = ManagementFactory.getPlatformMBeanServer(); |
| } |
| |
| /** |
| * Verifies SCMPipelineManagerInfo metrics. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testPipelineInfo() throws Exception { |
| ObjectName bean = new ObjectName( |
| "Hadoop:service=SCMPipelineManager,name=SCMPipelineManagerInfo"); |
| |
| TabularData data = (TabularData) mbs.getAttribute(bean, "PipelineInfo"); |
| Map<String, Integer> datanodeInfo = cluster.getStorageContainerManager() |
| .getPipelineManager().getPipelineInfo(); |
| verifyEquals(data, datanodeInfo); |
| } |
| |
| private void verifyEquals(TabularData actualData, Map<String, Integer> |
| expectedData) { |
| if (actualData == null || expectedData == null) { |
| fail("Data should not be null."); |
| } |
| for (Object obj : actualData.values()) { |
| assertTrue(obj instanceof CompositeData); |
| CompositeData cds = (CompositeData) obj; |
| assertEquals(2, cds.values().size()); |
| Iterator<?> it = cds.values().iterator(); |
| String key = it.next().toString(); |
| String value = it.next().toString(); |
| long num = Long.parseLong(value); |
| assertTrue(expectedData.containsKey(key)); |
| assertEquals(expectedData.remove(key).longValue(), num); |
| } |
| assertTrue(expectedData.isEmpty()); |
| } |
| |
| @After |
| public void teardown() { |
| cluster.shutdown(); |
| } |
| } |