| /** |
| * 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.hdfs.server.datanode; |
| |
| import java.io.IOException; |
| |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hdfs.*; |
| import org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolClientSideTranslatorPB; |
| import org.apache.hadoop.hdfs.server.namenode.NameNode; |
| import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration; |
| import org.apache.hadoop.hdfs.server.protocol.DatanodeStorage; |
| import org.apache.hadoop.hdfs.server.protocol.StorageReport; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Mockito; |
| |
| import static org.hamcrest.core.Is.is; |
| import static org.junit.Assert.assertNotSame; |
| import static org.junit.Assert.assertThat; |
| import static org.mockito.Matchers.any; |
| import static org.mockito.Matchers.anyInt; |
| import static org.mockito.Matchers.anyLong; |
| |
| public class TestStorageReport { |
| public static final Log LOG = LogFactory.getLog(TestStorageReport.class); |
| |
| private static final short REPL_FACTOR = 1; |
| private static final StorageType storageType = StorageType.SSD; // pick non-default. |
| |
| private static Configuration conf; |
| private MiniDFSCluster cluster; |
| private DistributedFileSystem fs; |
| static String bpid; |
| |
| @Before |
| public void startUpCluster() throws IOException { |
| conf = new HdfsConfiguration(); |
| cluster = new MiniDFSCluster.Builder(conf) |
| .numDataNodes(REPL_FACTOR) |
| .storageTypes(new StorageType[] { storageType, storageType } ) |
| .build(); |
| fs = cluster.getFileSystem(); |
| bpid = cluster.getNamesystem().getBlockPoolId(); |
| } |
| |
| @After |
| public void shutDownCluster() throws IOException { |
| if (cluster != null) { |
| fs.close(); |
| cluster.shutdown(); |
| cluster = null; |
| } |
| } |
| |
| /** |
| * Ensure that storage type and storage state are propagated |
| * in Storage Reports. |
| */ |
| @Test |
| public void testStorageReportHasStorageTypeAndState() throws IOException { |
| |
| // Make sure we are not testing with the default type, that would not |
| // be a very good test. |
| assertNotSame(storageType, StorageType.DEFAULT); |
| NameNode nn = cluster.getNameNode(); |
| DataNode dn = cluster.getDataNodes().get(0); |
| |
| // Insert a spy object for the NN RPC. |
| DatanodeProtocolClientSideTranslatorPB nnSpy = |
| DataNodeTestUtils.spyOnBposToNN(dn, nn); |
| |
| // Trigger a heartbeat so there is an interaction with the spy |
| // object. |
| DataNodeTestUtils.triggerHeartbeat(dn); |
| |
| // Verify that the callback passed in the expected parameters. |
| ArgumentCaptor<StorageReport[]> captor = |
| ArgumentCaptor.forClass(StorageReport[].class); |
| |
| Mockito.verify(nnSpy).sendHeartbeat( |
| any(DatanodeRegistration.class), |
| captor.capture(), |
| anyLong(), anyLong(), anyInt(), anyInt(), anyInt()); |
| |
| StorageReport[] reports = captor.getValue(); |
| |
| for (StorageReport report: reports) { |
| assertThat(report.getStorage().getStorageType(), is(storageType)); |
| assertThat(report.getStorage().getState(), is(DatanodeStorage.State.NORMAL)); |
| } |
| } |
| } |