1 | /** |
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2 | * Licensed to the Apache Software Foundation (ASF) under one |
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3 | * or more contributor license agreements. See the NOTICE file |
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4 | * distributed with this work for additional information |
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5 | * regarding copyright ownership. The ASF licenses this file |
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6 | * to you under the Apache License, Version 2.0 (the |
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7 | * "License"); you may not use this file except in compliance |
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8 | * with the License. You may obtain a copy of the License at |
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9 | * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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11 | * |
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12 | * Unless required by applicable law or agreed to in writing, software |
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13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | * See the License for the specific language governing permissions and |
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16 | * limitations under the License. |
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17 | */ |
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18 | package org.apache.hadoop.fs.ftp; |
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19 | |
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20 | import java.net.URI; |
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21 | import junit.framework.TestCase; |
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22 | |
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23 | import org.apache.ftpserver.DefaultFtpServerContext; |
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24 | import org.apache.ftpserver.FtpServer; |
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25 | import org.apache.ftpserver.ftplet.Authority; |
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26 | import org.apache.ftpserver.ftplet.UserManager; |
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27 | import org.apache.ftpserver.listener.mina.MinaListener; |
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28 | import org.apache.ftpserver.usermanager.BaseUser; |
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29 | import org.apache.ftpserver.usermanager.WritePermission; |
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30 | import org.apache.hadoop.conf.Configuration; |
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31 | import org.apache.hadoop.hdfs.DFSTestUtil; |
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32 | import org.apache.hadoop.fs.FileSystem; |
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33 | import org.apache.hadoop.fs.FileUtil; |
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34 | import org.apache.hadoop.fs.Path; |
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35 | import org.apache.hadoop.mapred.JobConf; |
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36 | |
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37 | /** |
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38 | * Generates a bunch of random files and directories using class 'DFSTestUtil', |
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39 | * stores them on the FTP file system, copies them and check if all the files |
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40 | * were retrieved successfully without any data corruption |
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41 | */ |
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42 | public class TestFTPFileSystem extends TestCase { |
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43 | |
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44 | private Configuration defaultConf = new JobConf(); |
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45 | private FtpServer server = null; |
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46 | private FileSystem localFs = null; |
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47 | private FileSystem ftpFs = null; |
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48 | |
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49 | private Path workDir = new Path(new Path(System.getProperty( |
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50 | "test.build.data", "."), "data"), "TestFTPFileSystem"); |
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51 | |
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52 | Path ftpServerRoot = new Path(workDir, "FTPServer"); |
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53 | Path ftpServerConfig = null; |
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54 | |
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55 | private void startServer() { |
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56 | try { |
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57 | DefaultFtpServerContext context = new DefaultFtpServerContext(false); |
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58 | MinaListener listener = new MinaListener(); |
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59 | // Set port to 0 for OS to give a free port |
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60 | listener.setPort(0); |
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61 | context.setListener("default", listener); |
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62 | |
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63 | // Create a test user. |
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64 | UserManager userManager = context.getUserManager(); |
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65 | BaseUser adminUser = new BaseUser(); |
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66 | adminUser.setName("admin"); |
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67 | adminUser.setPassword("admin"); |
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68 | adminUser.setEnabled(true); |
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69 | adminUser.setAuthorities(new Authority[] { new WritePermission() }); |
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70 | |
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71 | Path adminUserHome = new Path(ftpServerRoot, "user/admin"); |
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72 | adminUser.setHomeDirectory(adminUserHome.toUri().getPath()); |
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73 | adminUser.setMaxIdleTime(0); |
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74 | userManager.save(adminUser); |
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75 | |
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76 | // Initialize the server and start. |
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77 | server = new FtpServer(context); |
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78 | server.start(); |
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79 | |
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80 | } catch (Exception e) { |
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81 | throw new RuntimeException("FTP server start-up failed", e); |
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82 | } |
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83 | } |
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84 | |
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85 | private void stopServer() { |
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86 | if (server != null) { |
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87 | server.stop(); |
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88 | } |
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89 | } |
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90 | |
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91 | @Override |
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92 | public void setUp() throws Exception { |
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93 | startServer(); |
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94 | defaultConf = new Configuration(); |
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95 | localFs = FileSystem.getLocal(defaultConf); |
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96 | ftpServerConfig = new Path(localFs.getWorkingDirectory(), "res"); |
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97 | MinaListener listener = (MinaListener) server.getServerContext() |
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98 | .getListener("default"); |
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99 | int serverPort = listener.getPort(); |
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100 | ftpFs = FileSystem.get(URI.create("ftp://admin:admin@localhost:" |
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101 | + serverPort), defaultConf); |
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102 | } |
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103 | |
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104 | @Override |
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105 | public void tearDown() throws Exception { |
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106 | localFs.delete(ftpServerRoot, true); |
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107 | localFs.delete(ftpServerConfig, true); |
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108 | localFs.close(); |
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109 | ftpFs.close(); |
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110 | stopServer(); |
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111 | } |
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112 | |
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113 | /** |
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114 | * Tests FTPFileSystem, create(), open(), delete(), mkdirs(), rename(), |
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115 | * listStatus(), getStatus() APIs. * |
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116 | * |
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117 | * @throws Exception |
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118 | */ |
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119 | public void testReadWrite() throws Exception { |
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120 | |
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121 | DFSTestUtil util = new DFSTestUtil("TestFTPFileSystem", 20, 3, 1024 * 1024); |
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122 | localFs.setWorkingDirectory(workDir); |
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123 | Path localData = new Path(workDir, "srcData"); |
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124 | Path remoteData = new Path("srcData"); |
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125 | |
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126 | util.createFiles(localFs, localData.toUri().getPath()); |
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127 | |
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128 | boolean dataConsistency = util.checkFiles(localFs, localData.getName()); |
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129 | assertTrue("Test data corrupted", dataConsistency); |
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130 | |
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131 | // Copy files and directories recursively to FTP file system. |
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132 | boolean filesCopied = FileUtil.copy(localFs, localData, ftpFs, remoteData, |
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133 | false, defaultConf); |
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134 | assertTrue("Copying to FTPFileSystem failed", filesCopied); |
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135 | |
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136 | // Rename the remote copy |
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137 | Path renamedData = new Path("Renamed"); |
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138 | boolean renamed = ftpFs.rename(remoteData, renamedData); |
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139 | assertTrue("Rename failed", renamed); |
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140 | |
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141 | // Copy files and directories from FTP file system and delete remote copy. |
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142 | filesCopied = FileUtil.copy(ftpFs, renamedData, localFs, workDir, true, |
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143 | defaultConf); |
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144 | assertTrue("Copying from FTPFileSystem fails", filesCopied); |
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145 | |
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146 | // Check if the data was received completely without any corruption. |
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147 | dataConsistency = util.checkFiles(localFs, renamedData.getName()); |
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148 | assertTrue("Invalid or corrupted data recieved from FTP Server!", |
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149 | dataConsistency); |
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150 | |
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151 | // Delete local copies |
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152 | boolean deleteSuccess = localFs.delete(renamedData, true) |
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153 | & localFs.delete(localData, true); |
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154 | assertTrue("Local test data deletion failed", deleteSuccess); |
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155 | } |
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156 | } |
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