YARN-5594. Handle old RMDelegationToken format when recovering RM (rkanter)

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.DataOutput;
 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 abstract class YARNDelegationTokenIdentifier extends
     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 abstract class YARNDelegationTokenIdentifier extends
     builder.build().writeTo((DataOutputStream) out);
   }
 
+  @VisibleForTesting
+  public synchronized void writeInOldFormat(DataOutput out) throws IOException {
+    super.write(out);
+  }
+
   public YARNDelegationTokenIdentifierProto getProto() {
     setBuilderFields();
     return builder.build();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/security/TestYARNTokenIdentifier.java

@@ -24,6 +24,7 @@ import java.io.IOException;
 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;
@@ -217,6 +218,16 @@ public class TestYARNTokenIdentifier {
 
   @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");
@@ -226,58 +237,62 @@ public class TestYARNTokenIdentifier {
     int sequenceNumber = 3;
     int masterKeyId = 4;
 
-    RMDelegationTokenIdentifier token = 
+    RMDelegationTokenIdentifier originalToken =
         new RMDelegationTokenIdentifier(owner, renewer, realUser);
-    token.setIssueDate(issueDate);
+    originalToken.setIssueDate(issueDate);
-    token.setMaxDate(maxDate);
+    originalToken.setMaxDate(maxDate);
-    token.setSequenceNumber(sequenceNumber);
+    originalToken.setSequenceNumber(sequenceNumber);
-    token.setMasterKeyId(masterKeyId);
+    originalToken.setMasterKeyId(masterKeyId);
 
-    RMDelegationTokenIdentifier anotherToken = new RMDelegationTokenIdentifier();
+    RMDelegationTokenIdentifier anotherToken
+        = new RMDelegationTokenIdentifier();
 
-    byte[] tokenContent = token.getBytes();
+    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 " +
+    Assert.assertEquals(
-        "and deserialization.", token, anotherToken);
+        "Token is not the same after serialization and deserialization.",
-    
+        originalToken, anotherToken);
-    Assert.assertEquals("owner from proto is not the same with original token",
+    Assert.assertEquals(
-        anotherToken.getOwner(), owner);
+        "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",
+    Assert.assertEquals(
-        anotherToken.getRenewer(), renewer);
+        "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",
+    Assert.assertEquals(
-        anotherToken.getRealUser(), realUser);
+        "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",
+    Assert.assertEquals(
-        anotherToken.getIssueDate(), issueDate);
+        "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",
+    Assert.assertEquals(
-        anotherToken.getMaxDate(), maxDate);
+        "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",
+    Assert.assertEquals(
-        anotherToken.getSequenceNumber(), sequenceNumber);
+        "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",
+    Assert.assertEquals(
-        anotherToken.getMasterKeyId(), masterKeyId);
+        "masterKeyId from proto is not the same with original token",
+        masterKeyId, anotherToken.getMasterKeyId());
 
     // Test getProto
-    RMDelegationTokenIdentifier token1 = 
+    YARNDelegationTokenIdentifierProto tokenProto = originalToken.getProto();
-        new RMDelegationTokenIdentifier(owner, renewer, realUser);
-    token1.setIssueDate(issueDate);
-    token1.setMaxDate(maxDate);
-    token1.setSequenceNumber(sequenceNumber);
-    token1.setMasterKeyId(masterKeyId);
-    YARNDelegationTokenIdentifierProto tokenProto = token1.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 class TestYARNTokenIdentifier {
 
     // 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();
   }

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 @@ public class FileSystemRMStateStore extends RMStateStore {
           }
         } else if (childNodeName.startsWith(DELEGATION_TOKEN_PREFIX)) {
           RMDelegationTokenIdentifierData identifierData =
-              new RMDelegationTokenIdentifierData();
+              RMStateStoreUtils.readRMDelegationTokenIdentifierData(fsIn);
-          identifierData.readFields(fsIn);
           RMDelegationTokenIdentifier identifier =
               identifierData.getTokenIdentifier();
           long renewDate = identifierData.getRenewDate();
-
           rmState.rmSecretManagerState.delegationTokenState.put(identifier,
             renewDate);
           if (LOG.isDebugEnabled()) {

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 @@ public class LeveldbRMStateStore extends RMStateStore {
 
   private RMDelegationTokenIdentifierData loadDelegationToken(byte[] data)
       throws IOException {
-    RMDelegationTokenIdentifierData tokenData =
+    RMDelegationTokenIdentifierData tokenData = null;
-        new RMDelegationTokenIdentifierData();
     DataInputStream in = new DataInputStream(new ByteArrayInputStream(data));
     try {
-      tokenData.readFields(in);
+      tokenData = RMStateStoreUtils.readRMDelegationTokenIdentifierData(in);
     } finally {
       IOUtils.cleanup(LOG, in);
     }

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;
+  }
+}

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 @@ public class ZKRMStateStore extends RMStateStore {
       ByteArrayInputStream is = new ByteArrayInputStream(data);
       try (DataInputStream fsIn = new DataInputStream(is)) {
         RMDelegationTokenIdentifierData identifierData =
-            new RMDelegationTokenIdentifierData();
+            RMStateStoreUtils.readRMDelegationTokenIdentifierData(fsIn);
-        identifierData.readFields(fsIn);
         RMDelegationTokenIdentifier identifier =
             identifierData.getTokenIdentifier();
         long renewDate = identifierData.getRenewDate();

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 class RMDelegationTokenIdentifierData {
   public long getRenewDate() {
     return builder.getRenewDate();
   }
+
+  public void setIdentifier(YARNDelegationTokenIdentifier identifier) {
+    builder.setTokenIdentifier(identifier.getProto());
+  }
+
+  public void setRenewDate(long renewDate) {
+    builder.setRenewDate(renewDate);
+  }
 }

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.net.InetSocketAddress;
 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 class TestClientRMTokens {
         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,

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());
+  }
+}