| /** |
| * 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.security; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.CommonConfigurationKeys; |
| import org.apache.hadoop.minikdc.MiniKdc; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| |
| import java.io.File; |
| |
| /** |
| * Verify UGI login from keytab. Check that the UGI is |
| * configured to use keytab to catch regressions like |
| * HADOOP-10786. |
| */ |
| public class TestUGILoginFromKeytab { |
| |
| private MiniKdc kdc; |
| private File workDir; |
| |
| @Rule |
| public final TemporaryFolder folder = new TemporaryFolder(); |
| |
| @Before |
| public void startMiniKdc() throws Exception { |
| // This setting below is required. If not enabled, UGI will abort |
| // any attempt to loginUserFromKeytab. |
| Configuration conf = new Configuration(); |
| conf.set(CommonConfigurationKeys.HADOOP_SECURITY_AUTHENTICATION, |
| "kerberos"); |
| UserGroupInformation.setConfiguration(conf); |
| workDir = folder.getRoot(); |
| kdc = new MiniKdc(MiniKdc.createConf(), workDir); |
| kdc.start(); |
| } |
| |
| @After |
| public void stopMiniKdc() { |
| if (kdc != null) { |
| kdc.stop(); |
| } |
| } |
| |
| /** |
| * Login from keytab using the MiniKDC and verify the UGI can successfully |
| * relogin from keytab as well. This will catch regressions like HADOOP-10786. |
| */ |
| @Test |
| public void testUGILoginFromKeytab() throws Exception { |
| UserGroupInformation.setShouldRenewImmediatelyForTests(true); |
| String principal = "foo"; |
| File keytab = new File(workDir, "foo.keytab"); |
| kdc.createPrincipal(keytab, principal); |
| |
| UserGroupInformation.loginUserFromKeytab(principal, keytab.getPath()); |
| UserGroupInformation ugi = UserGroupInformation.getLoginUser(); |
| Assert.assertTrue("UGI should be configured to login from keytab", |
| ugi.isFromKeytab()); |
| |
| // Verify relogin from keytab. |
| User user = ugi.getSubject().getPrincipals(User.class).iterator().next(); |
| final long firstLogin = user.getLastLogin(); |
| ugi.reloginFromKeytab(); |
| final long secondLogin = user.getLastLogin(); |
| Assert.assertTrue("User should have been able to relogin from keytab", |
| secondLogin > firstLogin); |
| } |
| |
| } |