HDFS-15581. Access Controlled HttpFS Server. Contributed by Richard Ross.
This commit is contained in:
Kihwal Lee
parent
6b5d9e2334
commit
dfc2682213
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@ -107,8 +107,38 @@ import java.util.Set;
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@Path(HttpFSFileSystem.SERVICE_VERSION)
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@InterfaceAudience.Private
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public class HttpFSServer {
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enum AccessMode {
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READWRITE, WRITEONLY, READONLY;
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}
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private static Logger AUDIT_LOG = LoggerFactory.getLogger("httpfsaudit");
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private static final Logger LOG = LoggerFactory.getLogger(HttpFSServer.class);
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AccessMode accessMode = AccessMode.READWRITE;
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public HttpFSServer() {
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Configuration conf = HttpFSServerWebApp.get().getConfig();
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final String accessModeString = conf.get("httpfs.access.mode", "read-write").toLowerCase();
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if(accessModeString.compareTo("write-only") == 0)
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accessMode = AccessMode.WRITEONLY;
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else if(accessModeString.compareTo("read-only") == 0)
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accessMode = AccessMode.READONLY;
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else
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accessMode = AccessMode.READWRITE;
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}
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// First try getting a user through HttpUserGroupInformation. This will return
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// if the built-in hadoop auth filter is not used. Fall back to getting the
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// authenticated user from the request.
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private UserGroupInformation getHttpUGI(HttpServletRequest request) {
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UserGroupInformation user = HttpUserGroupInformation.get();
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if (user != null) {
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return user;
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}
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return UserGroupInformation.createRemoteUser(request.getUserPrincipal().getName());
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}
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/**
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* Executes a {@link FileSystemAccess.FileSystemExecutor} using a filesystem for the effective
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@ -219,6 +249,12 @@ public class HttpFSServer {
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@Context Parameters params,
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@Context HttpServletRequest request)
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throws IOException, FileSystemAccessException {
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// Restrict access to only GETFILESTATUS and LISTSTATUS in write-only mode
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if((op.value() != HttpFSFileSystem.Operation.GETFILESTATUS) &&
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(op.value() != HttpFSFileSystem.Operation.LISTSTATUS) &&
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accessMode == AccessMode.WRITEONLY) {
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return Response.status(Response.Status.FORBIDDEN).build();
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}
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UserGroupInformation user = HttpUserGroupInformation.get();
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Response response;
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path = makeAbsolute(path);
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@ -491,6 +527,10 @@ public class HttpFSServer {
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@Context Parameters params,
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@Context HttpServletRequest request)
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throws IOException, FileSystemAccessException {
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// Do not allow DELETE commands in read-only mode
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if(accessMode == AccessMode.READONLY) {
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return Response.status(Response.Status.FORBIDDEN).build();
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}
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UserGroupInformation user = HttpUserGroupInformation.get();
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Response response;
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path = makeAbsolute(path);
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@ -578,6 +618,10 @@ public class HttpFSServer {
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@Context Parameters params,
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@Context HttpServletRequest request)
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throws IOException, FileSystemAccessException {
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// Do not allow POST commands in read-only mode
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if(accessMode == AccessMode.READONLY) {
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return Response.status(Response.Status.FORBIDDEN).build();
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}
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UserGroupInformation user = HttpUserGroupInformation.get();
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Response response;
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path = makeAbsolute(path);
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@ -718,6 +762,10 @@ public class HttpFSServer {
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@Context Parameters params,
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@Context HttpServletRequest request)
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throws IOException, FileSystemAccessException {
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// Do not allow PUT commands in read-only mode
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if(accessMode == AccessMode.READONLY) {
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return Response.status(Response.Status.FORBIDDEN).build();
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}
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UserGroupInformation user = HttpUserGroupInformation.get();
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Response response;
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path = makeAbsolute(path);
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@ -323,4 +323,15 @@
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</description>
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</property>
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<property>
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<name>httpfs.access.mode</name>
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<value>read-write</value>
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<description>
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Sets the access mode for HTTPFS. If access is not allowed the FORBIDDED (403) is returned.
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Valid access modes are:
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read-write Full Access allowed
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write-only PUT POST and DELETE full Access. GET only allows GETFILESTATUS and LISTSTATUS
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read-only GET Full Access PUT POST and DELETE are FORBIDDEN
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</description>
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</property>
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</configuration>
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@ -0,0 +1,355 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.fs.http.server;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hdfs.DFSConfigKeys;
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import org.apache.hadoop.hdfs.MiniDFSCluster;
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import org.apache.hadoop.test.HTestCase;
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import org.apache.hadoop.test.HadoopUsersConfTestHelper;
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import org.apache.hadoop.test.TestDir;
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import org.apache.hadoop.test.TestDirHelper;
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import org.apache.hadoop.test.TestJetty;
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import org.apache.hadoop.test.TestJettyHelper;
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import org.junit.Assert;
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import org.junit.Test;
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import org.eclipse.jetty.server.Server;
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import org.eclipse.jetty.webapp.WebAppContext;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.io.Writer;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.text.MessageFormat;
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/**
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* This test class ensures that everything works as expected when
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* support with the access controlled HTTPFS file system.
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*/
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public class TestHttpFSAccessControlled extends HTestCase {
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private MiniDFSCluster miniDfs;
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private Configuration nnConf;
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/**
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* Fire up our own hand-rolled MiniDFSCluster. We do this here instead
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* of relying on TestHdfsHelper because we don't want to turn on ACL
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* support.
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*
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* @throws Exception
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*/
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private void startMiniDFS() throws Exception {
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File testDirRoot = TestDirHelper.getTestDir();
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if (System.getProperty("hadoop.log.dir") == null) {
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System.setProperty("hadoop." +
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"log.dir",
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new File(testDirRoot, "hadoop-log").getAbsolutePath());
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}
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if (System.getProperty("test.build.data") == null) {
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System.setProperty("test.build.data",
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new File(testDirRoot, "hadoop-data").getAbsolutePath());
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}
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Configuration conf = HadoopUsersConfTestHelper.getBaseConf();
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HadoopUsersConfTestHelper.addUserConf(conf);
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conf.set("fs.hdfs.impl.disable.cache", "true");
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conf.set("dfs.block.access.token.enable", "false");
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conf.set("dfs.permissions", "true");
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conf.set("hadoop.security.authentication", "simple");
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MiniDFSCluster.Builder builder = new MiniDFSCluster.Builder(conf);
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builder.numDataNodes(2);
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miniDfs = builder.build();
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nnConf = miniDfs.getConfiguration(0);
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}
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/**
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* Create an HttpFS Server to talk to the MiniDFSCluster we created.
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* @throws Exception
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*/
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private void createHttpFSServer() throws Exception {
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File homeDir = TestDirHelper.getTestDir();
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Assert.assertTrue(new File(homeDir, "conf").mkdir());
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Assert.assertTrue(new File(homeDir, "log").mkdir());
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Assert.assertTrue(new File(homeDir, "temp").mkdir());
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HttpFSServerWebApp.setHomeDirForCurrentThread(homeDir.getAbsolutePath());
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File secretFile = new File(new File(homeDir, "conf"), "secret");
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Writer w = new FileWriter(secretFile);
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w.write("secret");
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w.close();
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// HDFS configuration
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File hadoopConfDir = new File(new File(homeDir, "conf"), "hadoop-conf");
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if ( !hadoopConfDir.mkdirs() ) {
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throw new IOException();
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}
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String fsDefaultName =
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nnConf.get(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY);
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Configuration conf = new Configuration(false);
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conf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY, fsDefaultName);
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File hdfsSite = new File(hadoopConfDir, "hdfs-site.xml");
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OutputStream os = new FileOutputStream(hdfsSite);
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conf.writeXml(os);
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os.close();
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// HTTPFS configuration
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conf = new Configuration(false);
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conf.set("httpfs.hadoop.config.dir", hadoopConfDir.toString());
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conf.set("httpfs.proxyuser." +
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HadoopUsersConfTestHelper.getHadoopProxyUser() + ".groups",
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HadoopUsersConfTestHelper.getHadoopProxyUserGroups());
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conf.set("httpfs.proxyuser." +
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HadoopUsersConfTestHelper.getHadoopProxyUser() + ".hosts",
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HadoopUsersConfTestHelper.getHadoopProxyUserHosts());
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conf.set("httpfs.authentication.signature.secret.file",
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secretFile.getAbsolutePath());
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File httpfsSite = new File(new File(homeDir, "conf"), "httpfs-site.xml");
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os = new FileOutputStream(httpfsSite);
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conf.writeXml(os);
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os.close();
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ClassLoader cl = Thread.currentThread().getContextClassLoader();
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URL url = cl.getResource("webapp");
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if ( url == null ) {
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throw new IOException();
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}
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WebAppContext context = new WebAppContext(url.getPath(), "/webhdfs");
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Server server = TestJettyHelper.getJettyServer();
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server.setHandler(context);
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server.start();
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}
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/**
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* Talks to the http interface to get the json output of a *STATUS command
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* on the given file.
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*
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* @param filename The file to query.
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* @param message Failure message
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* @param command Command to test
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* @param expectOK Is this operation expected to succeed?
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* @throws Exception
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*/
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private void getCmd(String filename, String message, String command, boolean expectOK)
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throws Exception {
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String user = HadoopUsersConfTestHelper.getHadoopUsers()[0];
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String outMsg = message + " (" + command + ")";
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// Remove leading / from filename
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if ( filename.charAt(0) == '/' ) {
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filename = filename.substring(1);
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}
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String pathOps = MessageFormat.format(
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"/webhdfs/v1/{0}?user.name={1}&op={2}",
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filename, user, command);
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URL url = new URL(TestJettyHelper.getJettyURL(), pathOps);
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HttpURLConnection conn = (HttpURLConnection) url.openConnection();
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conn.setRequestMethod("GET");
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conn.connect();
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int resp = conn.getResponseCode();
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if ( expectOK ) {
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Assert.assertEquals( outMsg, HttpURLConnection.HTTP_OK, resp);
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} else {
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Assert.assertEquals(outMsg, HttpURLConnection.HTTP_FORBIDDEN, resp);
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}
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}
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/**
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* General-purpose http PUT command to the httpfs server.
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* @param filename The file to operate upon
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* @param message Failure message
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* @param command The command to perform (SETPERMISSION, etc)
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* @param params Parameters to command
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* @param expectOK Is this operation expected to succeed?
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*/
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private void putCmd(String filename, String message, String command,
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String params, boolean expectOK) throws Exception {
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String user = HadoopUsersConfTestHelper.getHadoopUsers()[0];
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String outMsg = message + " (" + command + ")";
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// Remove leading / from filename
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if ( filename.charAt(0) == '/' ) {
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filename = filename.substring(1);
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}
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String pathOps = MessageFormat.format(
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"/webhdfs/v1/{0}?user.name={1}{2}{3}&op={4}",
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filename, user, (params == null) ? "" : "&",
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(params == null) ? "" : params, command);
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URL url = new URL(TestJettyHelper.getJettyURL(), pathOps);
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HttpURLConnection conn = (HttpURLConnection) url.openConnection();
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conn.setRequestMethod("PUT");
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conn.connect();
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int resp = conn.getResponseCode();
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if ( expectOK ) {
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Assert.assertEquals(outMsg, HttpURLConnection.HTTP_OK, resp);
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} else {
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Assert.assertEquals(outMsg, HttpURLConnection.HTTP_FORBIDDEN, resp);
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}
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}
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/**
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* General-purpose http PUT command to the httpfs server.
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* @param filename The file to operate upon
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* @param message Failure message
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* @param command The command to perform (SETPERMISSION, etc)
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* @param params Parameters to command
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* @param expectOK Is this operation expected to succeed?
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*/
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private void deleteCmd(String filename, String message, String command,
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String params, boolean expectOK) throws Exception {
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String user = HadoopUsersConfTestHelper.getHadoopUsers()[0];
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String outMsg = message + " (" + command + ")";
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// Remove leading / from filename
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if ( filename.charAt(0) == '/' ) {
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filename = filename.substring(1);
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}
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String pathOps = MessageFormat.format(
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"/webhdfs/v1/{0}?user.name={1}{2}{3}&op={4}",
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filename, user, (params == null) ? "" : "&",
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(params == null) ? "" : params, command);
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URL url = new URL(TestJettyHelper.getJettyURL(), pathOps);
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HttpURLConnection conn = (HttpURLConnection) url.openConnection();
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conn.setRequestMethod("DELETE");
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conn.connect();
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int resp = conn.getResponseCode();
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if ( expectOK ) {
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Assert.assertEquals(outMsg, HttpURLConnection.HTTP_OK, resp);
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} else {
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Assert.assertEquals(outMsg, HttpURLConnection.HTTP_FORBIDDEN, resp);
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}
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}
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/**
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* General-purpose http POST command to the httpfs server.
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* @param filename The file to operate upon
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* @param message Failure message
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* @param command The command to perform (UNSETSTORAGEPOLICY, etc)
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* @param params Parameters to command"
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* @param expectOK Is this operation expected to succeed?
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*/
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private void postCmd(String filename, String message, String command,
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String params, boolean expectOK) throws Exception {
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String user = HadoopUsersConfTestHelper.getHadoopUsers()[0];
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String outMsg = message + " (" + command + ")";
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// Remove leading / from filename
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if ( filename.charAt(0) == '/' ) {
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filename = filename.substring(1);
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}
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String pathOps = MessageFormat.format(
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"/webhdfs/v1/{0}?user.name={1}{2}{3}&op={4}",
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filename, user, (params == null) ? "" : "&",
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(params == null) ? "" : params, command);
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URL url = new URL(TestJettyHelper.getJettyURL(), pathOps);
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HttpURLConnection conn = (HttpURLConnection) url.openConnection();
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conn.setRequestMethod("POST");
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conn.connect();
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int resp = conn.getResponseCode();
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if ( expectOK ) {
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Assert.assertEquals(outMsg, HttpURLConnection.HTTP_OK, resp);
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} else {
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Assert.assertEquals(outMsg, HttpURLConnection.HTTP_FORBIDDEN, resp);
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}
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}
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/**
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* Ensure that
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* <ol>
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* <li>GETFILESTATUS (GET) and LISTSTATUS (GET) work in all modes</li>
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* <li>GETXATTRS (GET) works in read-write and read-only but write-only throws an exception</li>
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* <li>SETPERMISSION (PUT) works in read-write and write only but read-only throws an exception</li>
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* <li>SETPERMISSION (POST) works in read-write and write only but read-only throws an exception</li>
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* <li>DELETE (DELETE) works in read-write and write only but read-only throws an exception</li>
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* </ol>
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*
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* @throws Exception
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*/
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@Test
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@TestDir
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@TestJetty
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public void testAcessControlledFS() throws Exception {
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final String testRwMsg = "Test read-write ";
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final String testRoMsg = "Test read-only ";
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final String testWoMsg = "Test write-only ";
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final String defUser1 = "default:user:glarch:r-x";
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final String dir = "/testAccess";
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final String pathRW = dir + "/foo-rw";
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final String pathWO = dir + "/foo-wo";
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final String pathRO = dir + "/foo-ro";
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final String setPermSpec = "744";
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final String snapshopSpec = "snapshotname=test-snap";
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startMiniDFS();
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createHttpFSServer();
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FileSystem fs = FileSystem.get(nnConf);
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fs.mkdirs(new Path(dir));
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OutputStream os = fs.create(new Path(pathRW));
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os.write(1);
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os.close();
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os = fs.create(new Path(pathWO));
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os.write(1);
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os.close();
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os = fs.create(new Path(pathRO));
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os.write(1);
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os.close();
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Configuration conf = HttpFSServerWebApp.get().getConfig();
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/* test Read-Write Mode */
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conf.setStrings("httpfs.access.mode", "read-write");
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getCmd(pathRW, testRwMsg + "GET", "GETFILESTATUS", true);
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getCmd(pathRW, testRwMsg + "GET", "LISTSTATUS", true);
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getCmd(pathRW, testRwMsg + "GET", "GETXATTRS", true);
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putCmd(pathRW, testRwMsg + "PUT", "SETPERMISSION", setPermSpec, true);
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postCmd(pathRW, testRwMsg + "POST", "UNSETSTORAGEPOLICY", null, true);
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deleteCmd(pathRW, testRwMsg + "DELETE", "DELETE", null, true);
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/* test Write-Only Mode */
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conf.setStrings("httpfs.access.mode", "write-only");
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getCmd(pathWO, testWoMsg + "GET", "GETFILESTATUS", true);
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getCmd(pathWO, testWoMsg + "GET", "LISTSTATUS", true);
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getCmd(pathWO, testWoMsg + "GET", "GETXATTRS", false);
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||||
putCmd(pathWO, testWoMsg + "PUT", "SETPERMISSION", setPermSpec, true);
|
||||
postCmd(pathWO, testWoMsg + "POST", "UNSETSTORAGEPOLICY", null, true);
|
||||
deleteCmd(pathWO, testWoMsg + "DELETE", "DELETE", null, true);
|
||||
|
||||
/* test Read-Only Mode */
|
||||
conf.setStrings("httpfs.access.mode", "read-only");
|
||||
getCmd(pathRO, testRoMsg + "GET", "GETFILESTATUS", true);
|
||||
getCmd(pathRO, testRoMsg + "GET", "LISTSTATUS", true);
|
||||
getCmd(pathRO, testRoMsg + "GET", "GETXATTRS", true);
|
||||
putCmd(pathRO, testRoMsg + "PUT", "SETPERMISSION", setPermSpec, false);
|
||||
postCmd(pathRO, testRoMsg + "POST", "UNSETSTORAGEPOLICY", null, false);
|
||||
deleteCmd(pathRO, testRoMsg + "DELETE", "DELETE", null, false);
|
||||
|
||||
conf.setStrings("httpfs.access.mode", "read-write");
|
||||
|
||||
miniDfs.shutdown();
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue