| /** |
| * 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; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.junit.Test; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| public class TestDatanodeLayoutUpgrade { |
| private static final String HADOOP_DATANODE_DIR_TXT = |
| "hadoop-datanode-dir.txt"; |
| private static final String HADOOP24_DATANODE = "hadoop-24-datanode-dir.tgz"; |
| private static final String HADOOP_56_DN_LAYOUT_TXT = |
| "hadoop-to-57-dn-layout-dir.txt"; |
| private static final String HADOOP_56_DN_LAYOUT = |
| "hadoop-56-layout-datanode-dir.tgz"; |
| |
| /** |
| * Upgrade from LDir-based layout to 32x32 block ID-based layout (-57) -- |
| * change described in HDFS-6482 and HDFS-8791 |
| */ |
| @Test |
| public void testUpgradeToIdBasedLayout() throws IOException { |
| TestDFSUpgradeFromImage upgrade = new TestDFSUpgradeFromImage(); |
| upgrade.unpackStorage(HADOOP24_DATANODE, HADOOP_DATANODE_DIR_TXT); |
| Configuration conf = new Configuration(TestDFSUpgradeFromImage.upgradeConf); |
| conf.set(DFSConfigKeys.DFS_DATANODE_DATA_DIR_KEY, |
| new File(System.getProperty("test.build.data"), |
| "dfs" + File.separator + "data").toURI().toString()); |
| conf.set(DFSConfigKeys.DFS_NAMENODE_NAME_DIR_KEY, |
| new File(System.getProperty("test.build.data"), |
| "dfs" + File.separator + "name").toURI().toString()); |
| upgrade.upgradeAndVerify(new MiniDFSCluster.Builder(conf).numDataNodes(1) |
| .manageDataDfsDirs(false).manageNameDfsDirs(false), null); |
| } |
| |
| /** |
| * Test upgrade from block ID-based layout 256x256 (-56) to block ID-based |
| * layout 32x32 (-57) |
| */ |
| @Test |
| public void testUpgradeFrom256To32Layout() throws IOException { |
| TestDFSUpgradeFromImage upgrade = new TestDFSUpgradeFromImage(); |
| upgrade.unpackStorage(HADOOP_56_DN_LAYOUT, HADOOP_56_DN_LAYOUT_TXT); |
| Configuration conf = new Configuration(TestDFSUpgradeFromImage.upgradeConf); |
| conf.set(DFSConfigKeys.DFS_DATANODE_DATA_DIR_KEY, |
| new File(System.getProperty("test.build.data"), "dfs" + File.separator |
| + "data").toURI().toString()); |
| conf.set(DFSConfigKeys.DFS_NAMENODE_NAME_DIR_KEY, |
| new File(System.getProperty("test.build.data"), "dfs" + File.separator |
| + "name").toURI().toString()); |
| upgrade.upgradeAndVerify(new MiniDFSCluster.Builder(conf).numDataNodes(1) |
| .manageDataDfsDirs(false).manageNameDfsDirs(false), null); |
| } |
| } |