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HDFS-2809. Add test to verify that delegation tokens are honored after failover. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1623@1235495 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jitendra Nath Pandey 2012-01-24 21:06:27 +00:00
parent 0b2245a0f3
commit dea3164e00
2 changed files with 46 additions and 1 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
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@ -129,3 +129,5 @@ HDFS-2688. Add tests for quota tracking in an HA cluster. (todd)
HDFS-2804. Should not mark blocks under-replicated when exiting safemode (todd)
HDFS-2807. Service level authorizartion for HAServiceProtocol. (jitendra)
HDFS-2809. Add test to verify that delegation tokens are honored after failover. (jitendra and atm)

45
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHAStateTransitions.java
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@ -19,6 +19,8 @@
import static org.junit.Assert.*;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import org.apache.commons.logging.Log;
@ -31,13 +33,17 @@
import org.apache.hadoop.hdfs.DFSTestUtil;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.MiniDFSNNTopology;
import org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenIdentifier;
import org.apache.hadoop.hdfs.server.namenode.NameNode;
import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.test.GenericTestUtils;
import org.apache.hadoop.test.MultithreadedTestUtil.TestContext;
import org.apache.hadoop.test.MultithreadedTestUtil.RepeatingTestThread;
import org.apache.tools.ant.taskdefs.WaitFor;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;
@ -251,4 +257,41 @@ public void testLeasesRenewedOnTransition() throws Exception {
cluster.shutdown();
}
}
/**
* Test that delegation tokens continue to work after the failover.
*/
@Test
public void testDelegationTokensAfterFailover() throws IOException,
URISyntaxException {
Configuration conf = new Configuration();
MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
.nnTopology(MiniDFSNNTopology.simpleHATopology())
.numDataNodes(0)
.build();
try {
cluster.waitActive();
cluster.transitionToActive(0);
NameNode nn1 = cluster.getNameNode(0);
NameNode nn2 = cluster.getNameNode(1);
NameNodeAdapter.getDtSecretManager(nn1.getNamesystem()).startThreads();
String renewer = UserGroupInformation.getLoginUser().getUserName();
Token<DelegationTokenIdentifier> token = nn1.getRpcServer()
.getDelegationToken(new Text(renewer));
LOG.info("Failing over to NN 1");
cluster.transitionToStandby(0);
cluster.transitionToActive(1);
// Need to explicitly start threads because security is not enabled.
NameNodeAdapter.getDtSecretManager(nn2.getNamesystem()).startThreads();
nn2.getRpcServer().renewDelegationToken(token);
nn2.getRpcServer().cancelDelegationToken(token);
token = nn2.getRpcServer().getDelegationToken(new Text(renewer));
Assert.assertTrue(token != null);
} finally {
cluster.shutdown();
}
}
}