/** 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.mapreduce.security.token.delegation;
import java.io.IOException;
import java.security.PrivilegedExceptionAction;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.JobTracker;
import org.apache.hadoop.mapred.MiniMRCluster;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod;
import org.apache.hadoop.security.token.Token;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class TestDelegationTokenAuthMethod {
private MiniMRCluster cluster;
private JobConf config;
@Before
public void setup() throws Exception {
config = new JobConf();
cluster = new MiniMRCluster(0, 0, 1, "file:///", 1, null, null, null,
config);
}
private Token<DelegationTokenIdentifier> generateDelegationToken(
String owner, String renewer) {
DelegationTokenSecretManager dtSecretManager = cluster
.getJobTrackerRunner().getJobTracker()
.getDelegationTokenSecretManager();
DelegationTokenIdentifier dtId = new DelegationTokenIdentifier(new Text(
owner), new Text(renewer), null);
return new Token<DelegationTokenIdentifier>(dtId, dtSecretManager);
}
@Test
public void testDelegationToken() throws Exception {
final JobTracker jt = cluster.getJobTrackerRunner().getJobTracker();
final UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
ugi.setAuthenticationMethod(AuthenticationMethod.KERBEROS);
config.set(CommonConfigurationKeys.HADOOP_SECURITY_AUTHENTICATION,
"kerberos");
// Set configuration again so that job tracker finds security enabled
UserGroupInformation.setConfiguration(config);
ugi.doAs(new PrivilegedExceptionAction<Object>() {
public Object run() throws Exception {
try {
Token<DelegationTokenIdentifier> token = jt
.getDelegationToken(new Text(ugi.getShortUserName()));
jt.renewDelegationToken(token);
jt.cancelDelegationToken(token);
} catch (IOException e) {
e.printStackTrace();
throw e;
}
return null;
}
});
}
@Test
public void testGetDelegationTokenWithoutKerberos() throws Exception {
final JobTracker jt = cluster.getJobTrackerRunner().getJobTracker();
UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
ugi.setAuthenticationMethod(AuthenticationMethod.TOKEN);
config.set(CommonConfigurationKeys.HADOOP_SECURITY_AUTHENTICATION,
"kerberos");
// Set configuration again so that job tracker finds security enabled
UserGroupInformation.setConfiguration(config);
Assert.assertTrue(UserGroupInformation.isSecurityEnabled());
ugi.doAs(new PrivilegedExceptionAction<Object>() {
public Object run() throws Exception {
try {
Token<DelegationTokenIdentifier> token = jt
.getDelegationToken(new Text("arenewer"));
Assert.assertTrue(token != null);
Assert
.fail("Delegation token should not be issued without Kerberos authentication");
} catch (IOException e) {
// success
}
return null;
}
});
}
@Test
public void testRenewDelegationTokenWithoutKerberos() throws Exception {
final JobTracker jt = cluster.getJobTrackerRunner().getJobTracker();
UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
ugi.setAuthenticationMethod(AuthenticationMethod.TOKEN);
config.set(CommonConfigurationKeys.HADOOP_SECURITY_AUTHENTICATION,
"kerberos");
// Set configuration again so that job tracker finds security enabled
UserGroupInformation.setConfiguration(config);
Assert.assertTrue(UserGroupInformation.isSecurityEnabled());
final Token<DelegationTokenIdentifier> token = generateDelegationToken(
"owner", ugi.getShortUserName());
ugi.doAs(new PrivilegedExceptionAction<Object>() {
public Object run() throws Exception {
try {
jt.renewDelegationToken(token);
Assert
.fail("Delegation token should not be renewed without Kerberos authentication");
} catch (IOException e) {
// success
}
return null;
}
});
}
}