| /** |
| * 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.conf.OzoneConfiguration; |
| import org.apache.hadoop.hdds.scm.server.StorageContainerManager; |
| import org.apache.hadoop.ozone.MiniOzoneCluster; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| 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.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.concurrent.TimeoutException; |
| |
| import static org.apache.hadoop.hdds.scm.ScmConfigKeys.OZONE_SCM_STALENODE_INTERVAL; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| /** |
| * Class which tests the SCMNodeManagerInfo Bean. |
| */ |
| public class TestSCMNodeManagerMXBean { |
| public static final Log LOG = LogFactory.getLog(TestSCMMXBean.class); |
| private static int numOfDatanodes = 3; |
| 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(); |
| conf.set(OZONE_SCM_STALENODE_INTERVAL, "60000ms"); |
| cluster = MiniOzoneCluster.newBuilder(conf) |
| .setNumDatanodes(numOfDatanodes) |
| .build(); |
| cluster.waitForClusterToBeReady(); |
| scm = cluster.getStorageContainerManager(); |
| mbs = ManagementFactory.getPlatformMBeanServer(); |
| } |
| |
| @AfterClass |
| public static void cleanup() { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test |
| public void testDiskUsage() throws Exception { |
| ObjectName bean = new ObjectName( |
| "Hadoop:service=SCMNodeManager," |
| + "name=SCMNodeManagerInfo"); |
| |
| TabularData data = (TabularData) mbs.getAttribute(bean, "NodeInfo"); |
| Map<String, Long> datanodeInfo = scm.getScmNodeManager().getNodeInfo(); |
| verifyEquals(data, datanodeInfo); |
| } |
| |
| @Test |
| public void testNodeCount() throws Exception { |
| ObjectName bean = new ObjectName( |
| "Hadoop:service=SCMNodeManager," |
| + "name=SCMNodeManagerInfo"); |
| |
| TabularData data = (TabularData) mbs.getAttribute(bean, "NodeCount"); |
| Map<String, Integer> nodeCount = scm.getScmNodeManager().getNodeCount(); |
| Map<String, Long> nodeCountLong = new HashMap<>(); |
| nodeCount.forEach((k, v) -> nodeCountLong.put(k, new Long(v))); |
| verifyEquals(data, nodeCountLong); |
| } |
| |
| private void verifyEquals(TabularData actualData, Map<String, Long> |
| 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()); |
| } |
| |
| } |