| /* |
| * 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; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.hdds.protocol.proto.HddsProtos; |
| import org.apache.hadoop.hdds.scm.container.ContainerID; |
| import org.apache.hadoop.hdds.scm.container.ContainerInfo; |
| import org.apache.hadoop.hdds.scm.container.ContainerManager; |
| import org.apache.hadoop.hdds.scm.server.StorageContainerManager; |
| import org.apache.hadoop.ozone.MiniOzoneCluster; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.hdds.scm.container.placement.metrics.ContainerStat; |
| import org.junit.BeforeClass; |
| import org.junit.AfterClass; |
| import org.junit.Test; |
| import javax.management.MBeanServer; |
| import javax.management.ObjectName; |
| import java.io.IOException; |
| import java.lang.management.ManagementFactory; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Iterator; |
| import java.util.UUID; |
| import java.util.concurrent.ConcurrentMap; |
| import java.util.concurrent.TimeoutException; |
| |
| import javax.management.openmbean.CompositeData; |
| import javax.management.openmbean.TabularData; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| /** |
| * |
| * This class is to test JMX management interface for scm information. |
| */ |
| public class TestSCMMXBean { |
| |
| public static final Log LOG = LogFactory.getLog(TestSCMMXBean.class); |
| private static int numOfDatanodes = 1; |
| private static MiniOzoneCluster cluster; |
| private static OzoneConfiguration conf; |
| private static StorageContainerManager scm; |
| private static MBeanServer mbs; |
| |
| @BeforeClass |
| public static void init() throws IOException, TimeoutException, |
| InterruptedException { |
| conf = new OzoneConfiguration(); |
| cluster = MiniOzoneCluster.newBuilder(conf) |
| .setNumDatanodes(numOfDatanodes) |
| .build(); |
| cluster.waitForClusterToBeReady(); |
| scm = cluster.getStorageContainerManager(); |
| mbs = ManagementFactory.getPlatformMBeanServer(); |
| } |
| |
| @AfterClass |
| public static void shutdown() { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test |
| public void testSCMMXBean() throws Exception { |
| ObjectName bean = new ObjectName( |
| "Hadoop:service=StorageContainerManager," |
| + "name=StorageContainerManagerInfo," |
| + "component=ServerRuntime"); |
| |
| String dnRpcPort = (String)mbs.getAttribute(bean, |
| "DatanodeRpcPort"); |
| assertEquals(scm.getDatanodeRpcPort(), dnRpcPort); |
| |
| |
| String clientRpcPort = (String)mbs.getAttribute(bean, |
| "ClientRpcPort"); |
| assertEquals(scm.getClientRpcPort(), clientRpcPort); |
| |
| ConcurrentMap<String, ContainerStat> map = scm.getContainerReportCache(); |
| ContainerStat stat = new ContainerStat(1, 2, 3, 4, 5, 6, 7); |
| map.put("nodeID", stat); |
| TabularData data = (TabularData) mbs.getAttribute( |
| bean, "ContainerReport"); |
| |
| // verify report info |
| assertEquals(1, data.values().size()); |
| for (Object obj : data.values()) { |
| assertTrue(obj instanceof CompositeData); |
| CompositeData d = (CompositeData) obj; |
| Iterator<?> it = d.values().iterator(); |
| String key = it.next().toString(); |
| String value = it.next().toString(); |
| assertEquals("nodeID", key); |
| assertEquals(stat.toJsonString(), value); |
| } |
| |
| boolean inSafeMode = (boolean) mbs.getAttribute(bean, |
| "InSafeMode"); |
| assertEquals(scm.isInSafeMode(), inSafeMode); |
| |
| double containerThreshold = (double) mbs.getAttribute(bean, |
| "SafeModeCurrentContainerThreshold"); |
| assertEquals(scm.getCurrentContainerThreshold(), containerThreshold, 0); |
| } |
| |
| @Test |
| public void testSCMContainerStateCount() throws Exception { |
| |
| ObjectName bean = new ObjectName( |
| "Hadoop:service=StorageContainerManager," |
| + "name=StorageContainerManagerInfo," |
| + "component=ServerRuntime"); |
| TabularData data = (TabularData) mbs.getAttribute( |
| bean, "ContainerStateCount"); |
| Map<String, Integer> containerStateCount = scm.getContainerStateCount(); |
| verifyEquals(data, containerStateCount); |
| |
| // Do some changes like allocate containers and change the container states |
| ContainerManager scmContainerManager = scm.getContainerManager(); |
| |
| List<ContainerInfo> containerInfoList = new ArrayList<>(); |
| for (int i=0; i < 10; i++) { |
| containerInfoList.add(scmContainerManager.allocateContainer(HddsProtos |
| .ReplicationType.STAND_ALONE, HddsProtos.ReplicationFactor.ONE, |
| UUID.randomUUID().toString())); |
| } |
| long containerID; |
| for (int i=0; i < 10; i++) { |
| if (i % 2 == 0) { |
| containerID = containerInfoList.get(i).getContainerID(); |
| scmContainerManager.updateContainerState( |
| new ContainerID(containerID), HddsProtos.LifeCycleEvent.FINALIZE); |
| assertEquals(scmContainerManager.getContainer(new ContainerID( |
| containerID)).getState(), HddsProtos.LifeCycleState.CLOSING); |
| } else { |
| containerID = containerInfoList.get(i).getContainerID(); |
| scmContainerManager.updateContainerState( |
| new ContainerID(containerID), HddsProtos.LifeCycleEvent.FINALIZE); |
| scmContainerManager.updateContainerState( |
| new ContainerID(containerID), HddsProtos.LifeCycleEvent.CLOSE); |
| assertEquals(scmContainerManager.getContainer(new ContainerID( |
| containerID)).getState(), HddsProtos.LifeCycleState.CLOSED); |
| } |
| |
| } |
| |
| data = (TabularData) mbs.getAttribute( |
| bean, "ContainerStateCount"); |
| containerStateCount = scm.getContainerStateCount(); |
| |
| containerStateCount.forEach((k, v) -> { |
| if(k == HddsProtos.LifeCycleState.CLOSING.toString()) { |
| assertEquals((int)v, 5); |
| } else if (k == HddsProtos.LifeCycleState.CLOSED.toString()) { |
| assertEquals((int)v, 5); |
| } else { |
| // Remaining all container state count should be zero. |
| assertEquals((int)v, 0); |
| } |
| }); |
| |
| verifyEquals(data, containerStateCount); |
| |
| } |
| |
| |
| /** |
| * An internal function used to compare a TabularData returned |
| * by JMX with the expected data in a Map. |
| */ |
| 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()) { |
| // Each TabularData is a set of CompositeData |
| 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(); |
| int num = Integer.parseInt(value); |
| assertTrue(expectedData.containsKey(key)); |
| assertEquals(expectedData.remove(key).intValue(), num); |
| } |
| assertTrue(expectedData.isEmpty()); |
| } |
| } |