/**
* 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.fs.viewfs;
import java.io.IOException;
import java.net.URISyntaxException;
import javax.security.auth.login.LoginException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileSystemTestHelper;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.MiniDFSNNTopology;
import org.apache.hadoop.security.UserGroupInformation;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
public class TestViewFileSystemHdfs extends ViewFileSystemBaseTest {
private static MiniDFSCluster cluster;
private static Path defaultWorkingDirectory;
private static Path defaultWorkingDirectory2;
private static Configuration CONF = new Configuration();
private static FileSystem fHdfs;
private static FileSystem fHdfs2;
private FileSystem fsTarget2;
Path targetTestRoot2;
@Override
protected FileSystemTestHelper createFileSystemHelper() {
return new FileSystemTestHelper("/tmp/TestViewFileSystemHdfs");
}
@BeforeClass
public static void clusterSetupAtBegining() throws IOException,
LoginException, URISyntaxException {
SupportsBlocks = true;
CONF.setBoolean(
DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY, true);
cluster =
new MiniDFSCluster.Builder(CONF).nnTopology(
MiniDFSNNTopology.simpleFederatedTopology(2))
.numDataNodes(2)
.build();
cluster.waitClusterUp();
fHdfs = cluster.getFileSystem(0);
fHdfs2 = cluster.getFileSystem(1);
defaultWorkingDirectory = fHdfs.makeQualified( new Path("/user/" +
UserGroupInformation.getCurrentUser().getShortUserName()));
defaultWorkingDirectory2 = fHdfs2.makeQualified( new Path("/user/" +
UserGroupInformation.getCurrentUser().getShortUserName()));
fHdfs.mkdirs(defaultWorkingDirectory);
fHdfs2.mkdirs(defaultWorkingDirectory2);
}
@AfterClass
public static void ClusterShutdownAtEnd() throws Exception {
cluster.shutdown();
}
@Override
@Before
public void setUp() throws Exception {
// create the test root on local_fs
fsTarget = fHdfs;
fsTarget2 = fHdfs2;
targetTestRoot2 = new FileSystemTestHelper().getAbsoluteTestRootPath(fsTarget2);
super.setUp();
}
@Override
@After
public void tearDown() throws Exception {
super.tearDown();
}
@Override
void setupMountPoints() {
super.setupMountPoints();
ConfigUtil.addLink(conf, "/mountOnNn2", new Path(targetTestRoot2,
"mountOnNn2").toUri());
}
// Overriden test helper methods - changed values based on hdfs and the
// additional mount.
@Override
int getExpectedDirPaths() {
return 8;
}
@Override
int getExpectedMountPoints() {
return 9;
}
@Override
int getExpectedDelegationTokenCount() {
return 2; // Mount points to 2 unique hdfs
}
@Override
int getExpectedDelegationTokenCountWithCredentials() {
return 2;
}
}