diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/client/YARNDelegationTokenIdentifier.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/client/YARNDelegationTokenIdentifier.java index 40ea858add..da6a8c54aa 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/client/YARNDelegationTokenIdentifier.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/security/client/YARNDelegationTokenIdentifier.java @@ -22,6 +22,7 @@ import java.io.DataOutputStream; import java.io.IOException; +import com.google.common.annotations.VisibleForTesting; import org.apache.hadoop.classification.InterfaceAudience.Private; import org.apache.hadoop.io.Text; import org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier; @@ -64,6 +65,11 @@ public synchronized void readFields(DataInput in) throws IOException { setMasterKeyId(builder.getMasterKeyId()); } + public synchronized void readFieldsInOldFormat(DataInput in) + throws IOException { + super.readFields(in); + } + private void setBuilderFields() { if (builder.getOwner() != null && !builder.getOwner().equals(getOwner().toString())) { @@ -97,6 +103,11 @@ public synchronized void write(DataOutput out) throws IOException { builder.build().writeTo((DataOutputStream) out); } + @VisibleForTesting + public synchronized void writeInOldFormat(DataOutput out) throws IOException { + super.write(out); + } + public YARNDelegationTokenIdentifierProto getProto() { setBuilderFields(); return builder.build(); diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/security/TestYARNTokenIdentifier.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/security/TestYARNTokenIdentifier.java index 130a65ed0d..82e194381a 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/security/TestYARNTokenIdentifier.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/security/TestYARNTokenIdentifier.java @@ -24,6 +24,7 @@ import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.CommonConfigurationKeysPublic; import org.apache.hadoop.io.DataInputBuffer; +import org.apache.hadoop.io.DataOutputBuffer; import org.apache.hadoop.io.Text; import org.apache.hadoop.security.HadoopKerberosName; import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; @@ -214,10 +215,20 @@ public void testContainerTokenIdentifier() throws IOException { Assert.assertEquals(ExecutionType.GUARANTEED, anotherToken.getExecutionType()); } - + @Test public void testRMDelegationTokenIdentifier() throws IOException { - + testRMDelegationTokenIdentifier(false); + } + + @Test + public void testRMDelegationTokenIdentifierOldFormat() throws IOException { + testRMDelegationTokenIdentifier(true); + } + + public void testRMDelegationTokenIdentifier(boolean oldFormat) + throws IOException { + Text owner = new Text("user1"); Text renewer = new Text("user2"); Text realUser = new Text("user3"); @@ -225,59 +236,63 @@ public void testRMDelegationTokenIdentifier() throws IOException { long maxDate = 2; int sequenceNumber = 3; int masterKeyId = 4; - - RMDelegationTokenIdentifier token = + + RMDelegationTokenIdentifier originalToken = new RMDelegationTokenIdentifier(owner, renewer, realUser); - token.setIssueDate(issueDate); - token.setMaxDate(maxDate); - token.setSequenceNumber(sequenceNumber); - token.setMasterKeyId(masterKeyId); - - RMDelegationTokenIdentifier anotherToken = new RMDelegationTokenIdentifier(); - - byte[] tokenContent = token.getBytes(); - DataInputBuffer dib = new DataInputBuffer(); - dib.reset(tokenContent, tokenContent.length); - anotherToken.readFields(dib); - dib.close(); + originalToken.setIssueDate(issueDate); + originalToken.setMaxDate(maxDate); + originalToken.setSequenceNumber(sequenceNumber); + originalToken.setMasterKeyId(masterKeyId); + + RMDelegationTokenIdentifier anotherToken + = new RMDelegationTokenIdentifier(); + + if (oldFormat) { + DataInputBuffer inBuf = new DataInputBuffer(); + DataOutputBuffer outBuf = new DataOutputBuffer(); + originalToken.writeInOldFormat(outBuf); + inBuf.reset(outBuf.getData(), 0, outBuf.getLength()); + anotherToken.readFieldsInOldFormat(inBuf); + inBuf.close(); + } else { + byte[] tokenContent = originalToken.getBytes(); + DataInputBuffer dib = new DataInputBuffer(); + dib.reset(tokenContent, tokenContent.length); + anotherToken.readFields(dib); + dib.close(); + } // verify the whole record equals with original record - Assert.assertEquals("Token is not the same after serialization " + - "and deserialization.", token, anotherToken); - - Assert.assertEquals("owner from proto is not the same with original token", - anotherToken.getOwner(), owner); - - Assert.assertEquals("renewer from proto is not the same with original token", - anotherToken.getRenewer(), renewer); - - Assert.assertEquals("realUser from proto is not the same with original token", - anotherToken.getRealUser(), realUser); - - Assert.assertEquals("issueDate from proto is not the same with original token", - anotherToken.getIssueDate(), issueDate); - - Assert.assertEquals("maxDate from proto is not the same with original token", - anotherToken.getMaxDate(), maxDate); - - Assert.assertEquals("sequenceNumber from proto is not the same with original token", - anotherToken.getSequenceNumber(), sequenceNumber); - - Assert.assertEquals("masterKeyId from proto is not the same with original token", - anotherToken.getMasterKeyId(), masterKeyId); - - // Test getProto - RMDelegationTokenIdentifier token1 = - new RMDelegationTokenIdentifier(owner, renewer, realUser); - token1.setIssueDate(issueDate); - token1.setMaxDate(maxDate); - token1.setSequenceNumber(sequenceNumber); - token1.setMasterKeyId(masterKeyId); - YARNDelegationTokenIdentifierProto tokenProto = token1.getProto(); + Assert.assertEquals( + "Token is not the same after serialization and deserialization.", + originalToken, anotherToken); + Assert.assertEquals( + "owner from proto is not the same with original token", + owner, anotherToken.getOwner()); + Assert.assertEquals( + "renewer from proto is not the same with original token", + renewer, anotherToken.getRenewer()); + Assert.assertEquals( + "realUser from proto is not the same with original token", + realUser, anotherToken.getRealUser()); + Assert.assertEquals( + "issueDate from proto is not the same with original token", + issueDate, anotherToken.getIssueDate()); + Assert.assertEquals( + "maxDate from proto is not the same with original token", + maxDate, anotherToken.getMaxDate()); + Assert.assertEquals( + "sequenceNumber from proto is not the same with original token", + sequenceNumber, anotherToken.getSequenceNumber()); + Assert.assertEquals( + "masterKeyId from proto is not the same with original token", + masterKeyId, anotherToken.getMasterKeyId()); + + // Test getProto + YARNDelegationTokenIdentifierProto tokenProto = originalToken.getProto(); // Write token proto to stream ByteArrayOutputStream baos = new ByteArrayOutputStream(); DataOutputStream out = new DataOutputStream(baos); tokenProto.writeTo(out); - // Read token byte[] tokenData = baos.toByteArray(); RMDelegationTokenIdentifier readToken = new RMDelegationTokenIdentifier(); @@ -287,7 +302,7 @@ public void testRMDelegationTokenIdentifier() throws IOException { // Verify if read token equals with original token Assert.assertEquals("Token from getProto is not the same after " + - "serialization and deserialization.", token1, readToken); + "serialization and deserialization.", originalToken, readToken); db.close(); out.close(); } diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java index 7cbeda3a3d..19297bc15e 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/FileSystemRMStateStore.java @@ -378,12 +378,10 @@ private void loadRMDTSecretManagerState(RMState rmState) throws Exception { } } else if (childNodeName.startsWith(DELEGATION_TOKEN_PREFIX)) { RMDelegationTokenIdentifierData identifierData = - new RMDelegationTokenIdentifierData(); - identifierData.readFields(fsIn); + RMStateStoreUtils.readRMDelegationTokenIdentifierData(fsIn); RMDelegationTokenIdentifier identifier = identifierData.getTokenIdentifier(); long renewDate = identifierData.getRenewDate(); - rmState.rmSecretManagerState.delegationTokenState.put(identifier, renewDate); if (LOG.isDebugEnabled()) { diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/LeveldbRMStateStore.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/LeveldbRMStateStore.java index 16ae1d3c19..a53083f9b2 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/LeveldbRMStateStore.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/LeveldbRMStateStore.java @@ -410,11 +410,10 @@ private int loadRMDTSecretManagerTokens(RMState state) throws IOException { private RMDelegationTokenIdentifierData loadDelegationToken(byte[] data) throws IOException { - RMDelegationTokenIdentifierData tokenData = - new RMDelegationTokenIdentifierData(); + RMDelegationTokenIdentifierData tokenData = null; DataInputStream in = new DataInputStream(new ByteArrayInputStream(data)); try { - tokenData.readFields(in); + tokenData = RMStateStoreUtils.readRMDelegationTokenIdentifierData(in); } finally { IOUtils.cleanup(LOG, in); } diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreUtils.java new file mode 100644 index 0000000000..9aef794041 --- /dev/null +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreUtils.java @@ -0,0 +1,69 @@ +/** +* 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.yarn.server.resourcemanager.recovery; + +import com.google.protobuf.InvalidProtocolBufferException; +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; +import org.apache.hadoop.classification.InterfaceAudience.Private; +import org.apache.hadoop.classification.InterfaceStability.Unstable; +import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier; +import org.apache.hadoop.yarn.security.client.YARNDelegationTokenIdentifier; +import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMDelegationTokenIdentifierData; + +import java.io.DataInputStream; +import java.io.IOException; + +/** + * Utility methods for {@link RMStateStore} and subclasses. + */ +@Private +@Unstable +public class RMStateStoreUtils { + + public static final Log LOG = LogFactory.getLog(RMStateStoreUtils.class); + + /** + * Returns the RM Delegation Token data from the {@link DataInputStream} as a + * {@link RMDelegationTokenIdentifierData}. It can handle both the current + * and old (non-protobuf) formats. + * + * @param fsIn The {@link DataInputStream} containing RM Delegation Token data + * @return An {@link RMDelegationTokenIdentifierData} containing the read in + * RM Delegation Token + */ + public static RMDelegationTokenIdentifierData + readRMDelegationTokenIdentifierData(DataInputStream fsIn) + throws IOException { + RMDelegationTokenIdentifierData identifierData = + new RMDelegationTokenIdentifierData(); + try { + identifierData.readFields(fsIn); + } catch (InvalidProtocolBufferException e) { + LOG.warn("Recovering old formatted token"); + fsIn.reset(); + YARNDelegationTokenIdentifier identifier = + new RMDelegationTokenIdentifier(); + identifier.readFieldsInOldFormat(fsIn); + identifierData.setIdentifier(identifier); + identifierData.setRenewDate(fsIn.readLong()); + } + return identifierData; + } +} diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java index 36b55e5192..9073910f15 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/ZKRMStateStore.java @@ -668,8 +668,7 @@ private void loadDelegationTokenFromNode(RMState rmState, String path) ByteArrayInputStream is = new ByteArrayInputStream(data); try (DataInputStream fsIn = new DataInputStream(is)) { RMDelegationTokenIdentifierData identifierData = - new RMDelegationTokenIdentifierData(); - identifierData.readFields(fsIn); + RMStateStoreUtils.readRMDelegationTokenIdentifierData(fsIn); RMDelegationTokenIdentifier identifier = identifierData.getTokenIdentifier(); long renewDate = identifierData.getRenewDate(); diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/RMDelegationTokenIdentifierData.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/RMDelegationTokenIdentifierData.java index 97b5c1cf28..8ba1df7dbb 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/RMDelegationTokenIdentifierData.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/RMDelegationTokenIdentifierData.java @@ -58,4 +58,12 @@ public RMDelegationTokenIdentifier getTokenIdentifier() throws IOException { public long getRenewDate() { return builder.getRenewDate(); } + + public void setIdentifier(YARNDelegationTokenIdentifier identifier) { + builder.setTokenIdentifier(identifier.getProto()); + } + + public void setRenewDate(long renewDate) { + builder.setRenewDate(renewDate); + } } diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMTokens.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMTokens.java index 06c1c425dd..0f085d6cb1 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMTokens.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMTokens.java @@ -36,7 +36,11 @@ import java.security.PrivilegedAction; import java.security.PrivilegedExceptionAction; +import com.google.protobuf.InvalidProtocolBufferException; +import org.apache.hadoop.io.DataOutputBuffer; import org.apache.hadoop.net.NetUtils; +import org.apache.hadoop.security.token.delegation.TestDelegationToken; +import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMDelegationTokenIdentifierData; import org.junit.AfterClass; import org.junit.Assert; @@ -352,6 +356,46 @@ public void testShortCircuitRenewCancelDifferentHostDifferentPort() false); } + @Test + public void testReadOldFormatFields() throws IOException { + RMDelegationTokenIdentifier token = new RMDelegationTokenIdentifier( + new Text("alice"), new Text("bob"), new Text("colin")); + token.setIssueDate(123); + token.setMasterKeyId(321); + token.setMaxDate(314); + token.setSequenceNumber(12345); + DataInputBuffer inBuf = new DataInputBuffer(); + DataOutputBuffer outBuf = new DataOutputBuffer(); + token.writeInOldFormat(outBuf); + outBuf.writeLong(42); // renewDate + inBuf.reset(outBuf.getData(), 0, outBuf.getLength()); + + RMDelegationTokenIdentifier identifier = null; + + try { + RMDelegationTokenIdentifierData identifierData = + new RMDelegationTokenIdentifierData(); + identifierData.readFields(inBuf); + fail("Should have thrown a " + + InvalidProtocolBufferException.class.getName() + + " because the token is not a protobuf"); + } catch (InvalidProtocolBufferException e) { + identifier = new RMDelegationTokenIdentifier(); + inBuf.reset(); + identifier.readFieldsInOldFormat(inBuf); + assertEquals(42, inBuf.readLong()); + } + + assertEquals("alice", identifier.getUser().getUserName()); + assertEquals(new Text("bob"), identifier.getRenewer()); + assertEquals("colin", identifier.getUser().getRealUser().getUserName()); + assertEquals(123, identifier.getIssueDate()); + assertEquals(321, identifier.getMasterKeyId()); + assertEquals(314, identifier.getMaxDate()); + assertEquals(12345, identifier.getSequenceNumber()); + + } + @SuppressWarnings("unchecked") private void checkShortCircuitRenewCancel(InetSocketAddress rmAddr, InetSocketAddress serviceAddr, diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestRMStateStoreUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestRMStateStoreUtils.java new file mode 100644 index 0000000000..889f74f9bf --- /dev/null +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestRMStateStoreUtils.java @@ -0,0 +1,81 @@ +/** + * 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.yarn.server.resourcemanager.recovery; + +import org.apache.hadoop.io.DataInputBuffer; +import org.apache.hadoop.io.DataOutputBuffer; +import org.apache.hadoop.io.Text; +import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier; +import org.apache.hadoop.yarn.server.resourcemanager.recovery.records.RMDelegationTokenIdentifierData; +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + +public class TestRMStateStoreUtils { + + @Test + public void testReadRMDelegationTokenIdentifierData() + throws Exception { + testReadRMDelegationTokenIdentifierData(false); + } + + @Test + public void testReadRMDelegationTokenIdentifierDataOldFormat() + throws Exception { + testReadRMDelegationTokenIdentifierData(true); + } + + public void testReadRMDelegationTokenIdentifierData(boolean oldFormat) + throws Exception { + RMDelegationTokenIdentifier token = new RMDelegationTokenIdentifier( + new Text("alice"), new Text("bob"), new Text("colin")); + token.setIssueDate(123); + token.setMasterKeyId(321); + token.setMaxDate(314); + token.setSequenceNumber(12345); + DataInputBuffer inBuf = new DataInputBuffer(); + if (oldFormat) { + DataOutputBuffer outBuf = new DataOutputBuffer(); + token.writeInOldFormat(outBuf); + outBuf.writeLong(42); // renewDate + inBuf.reset(outBuf.getData(), 0, outBuf.getLength()); + } else { + RMDelegationTokenIdentifierData tokenIdentifierData + = new RMDelegationTokenIdentifierData(token, 42); + byte[] data = tokenIdentifierData.toByteArray(); + inBuf.reset(data, 0, data.length); + } + + RMDelegationTokenIdentifierData identifierData + = RMStateStoreUtils.readRMDelegationTokenIdentifierData(inBuf); + assertEquals("Found unexpected data still in the InputStream", + -1, inBuf.read()); + + RMDelegationTokenIdentifier identifier + = identifierData.getTokenIdentifier(); + assertEquals("alice", identifier.getUser().getUserName()); + assertEquals(new Text("bob"), identifier.getRenewer()); + assertEquals("colin", identifier.getUser().getRealUser().getUserName()); + assertEquals(123, identifier.getIssueDate()); + assertEquals(321, identifier.getMasterKeyId()); + assertEquals(314, identifier.getMaxDate()); + assertEquals(12345, identifier.getSequenceNumber()); + assertEquals(42, identifierData.getRenewDate()); + } +}