org.apache.hadoop.hdfs.server.namenode.web.resources.TestWebHdfsCreatePermissions.java Source code

Introduction

Here is the source code for org.apache.hadoop.hdfs.server.namenode.web.resources.TestWebHdfsCreatePermissions.java

Source

/**
 * 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.namenode.web.resources;

import java.net.HttpURLConnection;
import java.net.URL;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hdfs.DFSTestUtil;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols;
import org.apache.hadoop.hdfs.web.WebHdfsTestUtil;
import org.apache.log4j.Level;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

/**
 * Test WebHDFS files/directories creation to make sure it follows same rules
 * from dfs CLI for specifying files/directories permissions.
 */
public class TestWebHdfsCreatePermissions {
    static final Log LOG = LogFactory.getLog(TestWebHdfsCreatePermissions.class);
    {
        DFSTestUtil.setNameNodeLogLevel(Level.ALL);
    }

    private MiniDFSCluster cluster;

    @Before
    public void initializeMiniDFSCluster() throws Exception {
        final Configuration conf = WebHdfsTestUtil.createConf();
        this.cluster = new MiniDFSCluster.Builder(conf).build();
    }

    @After
    public void tearDown() throws Exception {
        if (cluster != null) {
            cluster.shutdown();
        }
    }

    private void testPermissions(int expectedResponse, String expectedPermission, String path, String... params)
            throws Exception {
        final String user = System.getProperty("user.name");
        final StringBuilder uri = new StringBuilder(cluster.getHttpUri(0));
        uri.append("/webhdfs/v1").append(path).append("?user.name=").append(user).append("&");
        for (String param : params) {
            uri.append(param).append("&");
        }
        LOG.info(uri.toString());
        try {
            URL url = new URL(uri.toString());
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("PUT");
            Assert.assertEquals(expectedResponse, conn.getResponseCode());

            NamenodeProtocols namenode = cluster.getNameNode().getRpcServer();
            FsPermission resultingPermission = namenode.getFileInfo(path).getPermission();
            Assert.assertEquals(expectedPermission, resultingPermission.toString());
        } finally {
            cluster.shutdown();
        }
    }

    @Test
    public void testCreateDirNoPermissions() throws Exception {
        testPermissions(HttpURLConnection.HTTP_OK, "rwxr-xr-x", "/path", "op=MKDIRS");
    }

    @Test
    public void testCreateDir777Permissions() throws Exception {
        testPermissions(HttpURLConnection.HTTP_OK, "rwxrwxrwx", "/test777", "op=MKDIRS&permission=777");
    }

    @Test
    public void testCreateFileNoPermissions() throws Exception {
        testPermissions(HttpURLConnection.HTTP_CREATED, "rw-r--r--", "/test-file", "op=CREATE");
    }

    @Test
    public void testCreateFile666Permissions() throws Exception {
        testPermissions(HttpURLConnection.HTTP_CREATED, "rw-rw-rw-", "/test-file", "op=CREATE&permission=666");
    }

}