HDDS-10983. EC Key read corruption when the replica index of containe…

…r in DN mismatches (apache#6779)

(cherry picked from commit 769d09e)

hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/storage/BlockInputStream.java

@@ -116,7 +116,7 @@ public BlockInputStream(BlockID blockId, long blockLen, Pipeline pipeline,
       Token<OzoneBlockTokenIdentifier> token,
       XceiverClientFactory xceiverClientFactory,
       Function<BlockID, BlockLocationInfo> refreshFunction,
-      OzoneClientConfig config) {
+      OzoneClientConfig config) throws IOException {
     this.blockID = blockId;
     this.length = blockLen;
     setPipeline(pipeline);
@@ -133,7 +133,7 @@ public BlockInputStream(BlockID blockId, long blockLen, Pipeline pipeline,
                           Token<OzoneBlockTokenIdentifier> token,
                           XceiverClientFactory xceiverClientFactory,
                           OzoneClientConfig config
-  ) {
+  ) throws IOException {
     this(blockId, blockLen, pipeline, token,
         xceiverClientFactory, null, config);
   }
@@ -244,33 +244,28 @@ protected List<ChunkInfo> getChunkInfoList() throws IOException {
 
   @VisibleForTesting
   protected List<ChunkInfo> getChunkInfoListUsingClient() throws IOException {
-    final Pipeline pipeline = xceiverClient.getPipeline();
-
+    Pipeline pipeline = pipelineRef.get();
     if (LOG.isDebugEnabled()) {
-      LOG.debug("Initializing BlockInputStream for get key to access {}",
-          blockID.getContainerID());
-    }
-
-    DatanodeBlockID.Builder blkIDBuilder =
-        DatanodeBlockID.newBuilder().setContainerID(blockID.getContainerID())
-            .setLocalID(blockID.getLocalID())
-            .setBlockCommitSequenceId(blockID.getBlockCommitSequenceId());
-
-    int replicaIndex = pipeline.getReplicaIndex(pipeline.getClosestNode());
-    if (replicaIndex > 0) {
-      blkIDBuilder.setReplicaIndex(replicaIndex);
+      LOG.debug("Initializing BlockInputStream for get key to access {} with pipeline {}.",
+          blockID.getContainerID(), pipeline);
     }
 
     GetBlockResponseProto response = ContainerProtocolCalls.getBlock(
-        xceiverClient, VALIDATORS, blkIDBuilder.build(), tokenRef.get());
+        xceiverClient, VALIDATORS, blockID, tokenRef.get(), pipeline.getReplicaIndexes());
 
     return response.getBlockData().getChunksList();
   }
 
-  private void setPipeline(Pipeline pipeline) {
+  private void setPipeline(Pipeline pipeline) throws IOException {
     if (pipeline == null) {
       return;
     }
+    long replicaIndexes = pipeline.getNodes().stream().mapToInt(pipeline::getReplicaIndex).distinct().count();
+
+    if (replicaIndexes > 1) {
+      throw new IOException(String.format("Pipeline: %s has nodes containing different replica indexes.",
+          pipeline));
+    }
 
     // irrespective of the container state, we will always read via Standalone
     // protocol.

hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/storage/ChunkInputStream.java

@@ -26,6 +26,8 @@
 import org.apache.hadoop.fs.CanUnbuffer;
 import org.apache.hadoop.fs.Seekable;
 import org.apache.hadoop.hdds.client.BlockID;
+import org.apache.hadoop.hdds.protocol.DatanodeDetails;
+import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos;
 import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ChunkInfo;
 import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ContainerCommandRequestProto;
 import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ContainerCommandResponseProto;
@@ -60,6 +62,7 @@ public class ChunkInputStream extends InputStream
   private final ChunkInfo chunkInfo;
   private final long length;
   private final BlockID blockID;
+  private ContainerProtos.DatanodeBlockID datanodeBlockID;
   private final XceiverClientFactory xceiverClientFactory;
   private XceiverClientSpi xceiverClient;
   private final Supplier<Pipeline> pipelineSupplier;
@@ -290,13 +293,27 @@ protected synchronized void releaseClient() {
     }
   }
 
+  /**
+   * Updates DatanodeBlockId which based on blockId.
+   */
+  private void updateDatanodeBlockId(Pipeline pipeline) throws IOException {
+    DatanodeDetails closestNode = pipeline.getClosestNode();
+    int replicaIdx = pipeline.getReplicaIndex(closestNode);
+    ContainerProtos.DatanodeBlockID.Builder builder = blockID.getDatanodeBlockIDProtobufBuilder();
+    if (replicaIdx > 0) {
+      builder.setReplicaIndex(replicaIdx);
+    }
+    datanodeBlockID = builder.build();
+  }
+
   /**
    * Acquire new client if previous one was released.
    */
   protected synchronized void acquireClient() throws IOException {
     if (xceiverClientFactory != null && xceiverClient == null) {
-      xceiverClient = xceiverClientFactory.acquireClientForReadData(
-          pipelineSupplier.get());
+      Pipeline pipeline = pipelineSupplier.get();
+      xceiverClient = xceiverClientFactory.acquireClientForReadData(pipeline);
+      updateDatanodeBlockId(pipeline);
     }
   }
 
@@ -422,8 +439,8 @@ protected ByteBuffer[] readChunk(ChunkInfo readChunkInfo)
       throws IOException {
 
     ReadChunkResponseProto readChunkResponse =
-        ContainerProtocolCalls.readChunk(xceiverClient,
-            readChunkInfo, blockID, validators, tokenSupplier.get());
+        ContainerProtocolCalls.readChunk(xceiverClient, readChunkInfo, datanodeBlockID, validators,
+            tokenSupplier.get());
 
     if (readChunkResponse.hasData()) {
       return readChunkResponse.getData().asReadOnlyByteBufferList()

hadoop-hdds/client/src/main/java/org/apache/hadoop/ozone/client/io/BlockInputStreamFactory.java

@@ -27,6 +27,7 @@
 import org.apache.hadoop.hdds.security.token.OzoneBlockTokenIdentifier;
 import org.apache.hadoop.security.token.Token;
 
+import java.io.IOException;
 import java.util.function.Function;
 
 /**
@@ -52,6 +53,6 @@ BlockExtendedInputStream create(ReplicationConfig repConfig,
       Token<OzoneBlockTokenIdentifier> token,
        XceiverClientFactory xceiverFactory,
        Function<BlockID, BlockLocationInfo> refreshFunction,
-       OzoneClientConfig config);
+       OzoneClientConfig config) throws IOException;
 
 }

hadoop-hdds/client/src/main/java/org/apache/hadoop/ozone/client/io/BlockInputStreamFactoryImpl.java

@@ -32,6 +32,7 @@
 import org.apache.hadoop.io.ElasticByteBufferPool;
 import org.apache.hadoop.security.token.Token;
 
+import java.io.IOException;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.function.Function;
@@ -80,7 +81,7 @@ public BlockExtendedInputStream create(ReplicationConfig repConfig,
       Token<OzoneBlockTokenIdentifier> token,
       XceiverClientFactory xceiverFactory,
       Function<BlockID, BlockLocationInfo> refreshFunction,
-      OzoneClientConfig config) {
+      OzoneClientConfig config) throws IOException {
     if (repConfig.getReplicationType().equals(HddsProtos.ReplicationType.EC)) {
       return new ECBlockInputStreamProxy((ECReplicationConfig)repConfig,
           blockInfo, xceiverFactory, refreshFunction,

hadoop-hdds/client/src/main/java/org/apache/hadoop/ozone/client/io/ECBlockInputStream.java

@@ -175,7 +175,7 @@ protected int currentStreamIndex() {
    * stream if it has not been opened already.
    * @return BlockInput stream to read from.
    */
-  protected BlockExtendedInputStream getOrOpenStream(int locationIndex) {
+  protected BlockExtendedInputStream getOrOpenStream(int locationIndex) throws IOException {
     BlockExtendedInputStream stream = blockStreams[locationIndex];
     if (stream == null) {
       // To read an EC block, we create a STANDALONE pipeline that contains the
@@ -187,8 +187,8 @@ protected BlockExtendedInputStream getOrOpenStream(int locationIndex) {
           .setReplicationConfig(StandaloneReplicationConfig.getInstance(
               HddsProtos.ReplicationFactor.ONE))
           .setNodes(Arrays.asList(dataLocation))
-          .setId(PipelineID.valueOf(dataLocation.getUuid())).setReplicaIndexes(
-              ImmutableMap.of(dataLocation, locationIndex + 1))
+          .setId(PipelineID.valueOf(dataLocation.getUuid()))
+          .setReplicaIndexes(ImmutableMap.of(dataLocation, locationIndex + 1))
           .setState(Pipeline.PipelineState.CLOSED)
           .build();
 
@@ -239,6 +239,7 @@ protected Function<BlockID, BlockLocationInfo> ecPipelineRefreshFunction(
                   HddsProtos.ReplicationFactor.ONE))
           .setNodes(Collections.singletonList(curIndexNode))
           .setId(PipelineID.randomId())
+          .setReplicaIndexes(Collections.singletonMap(curIndexNode, replicaIndex))
           .setState(Pipeline.PipelineState.CLOSED)
           .build();
       blockLocationInfo.setPipeline(pipeline);

hadoop-hdds/client/src/test/java/org/apache/hadoop/hdds/scm/storage/DummyBlockInputStream.java

@@ -49,7 +49,7 @@ class DummyBlockInputStream extends BlockInputStream {
       Function<BlockID, BlockLocationInfo> refreshFunction,
       List<ChunkInfo> chunkList,
       Map<String, byte[]> chunks,
-      OzoneClientConfig config) {
+      OzoneClientConfig config) throws IOException {
     super(blockId, blockLen, pipeline, token,
         xceiverClientManager, refreshFunction, config);
     this.chunkDataMap = chunks;

hadoop-hdds/client/src/test/java/org/apache/hadoop/hdds/scm/storage/DummyBlockInputStreamWithRetry.java

@@ -56,7 +56,7 @@ final class DummyBlockInputStreamWithRetry
       List<ChunkInfo> chunkList,
       Map<String, byte[]> chunkMap,
       AtomicBoolean isRerfreshed, IOException ioException,
-      OzoneClientConfig config) {
+      OzoneClientConfig config) throws IOException {
     super(blockId, blockLen, pipeline, token,
         xceiverClientManager, blockID -> {
           isRerfreshed.set(true);

hadoop-hdds/client/src/test/java/org/apache/hadoop/hdds/scm/storage/TestBlockInputStream.java

@@ -360,7 +360,7 @@ private static ChunkInputStream throwingChunkInputStream(IOException ex,
   }
 
   private BlockInputStream createSubject(BlockID blockID, Pipeline pipeline,
-      ChunkInputStream stream) {
+      ChunkInputStream stream) throws IOException {
     OzoneClientConfig clientConfig = conf.getObject(OzoneClientConfig.class);
     clientConfig.setChecksumVerify(false);
     return new DummyBlockInputStream(blockID, blockSize, pipeline, null,

hadoop-hdds/client/src/test/java/org/apache/hadoop/ozone/client/io/TestBlockInputStreamFactoryImpl.java

@@ -33,11 +33,15 @@
 import org.apache.hadoop.hdds.scm.storage.BlockLocationInfo;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.Assertions;
+import org.mockito.Mockito;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
 
+import static org.mockito.ArgumentMatchers.any;
+
 /**
  * Tests for BlockInputStreamFactoryImpl.
  */
@@ -46,14 +50,16 @@ public class TestBlockInputStreamFactoryImpl {
   private OzoneConfiguration conf = new OzoneConfiguration();
 
   @Test
-  public void testNonECGivesBlockInputStream() {
+  public void testNonECGivesBlockInputStream() throws IOException {
     BlockInputStreamFactory factory = new BlockInputStreamFactoryImpl();
     ReplicationConfig repConfig =
         RatisReplicationConfig.getInstance(HddsProtos.ReplicationFactor.THREE);
 
     BlockLocationInfo blockInfo = createKeyLocationInfo(repConfig, 3,
         1024 * 1024 * 10);
-
+    Pipeline pipeline = Mockito.spy(blockInfo.getPipeline());
+    blockInfo.setPipeline(pipeline);
+    Mockito.when(pipeline.getReplicaIndex(any(DatanodeDetails.class))).thenReturn(1);
     OzoneClientConfig clientConfig = conf.getObject(OzoneClientConfig.class);
     clientConfig.setChecksumVerify(true);
     BlockExtendedInputStream stream =
@@ -66,7 +72,7 @@ public void testNonECGivesBlockInputStream() {
   }
 
   @Test
-  public void testECGivesECBlockInputStream() {
+  public void testECGivesECBlockInputStream() throws IOException {
     BlockInputStreamFactory factory = new BlockInputStreamFactoryImpl();
     ReplicationConfig repConfig =
         new ECReplicationConfig(3, 2);

hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/client/BlockID.java

@@ -23,30 +23,41 @@
 import java.util.Objects;
 
 /**
- * BlockID of Ozone (containerID + localID + blockCommitSequenceId).
+ * BlockID of Ozone (containerID + localID + blockCommitSequenceId + replicaIndex).
  */
 
 public class BlockID {
 
   private final ContainerBlockID containerBlockID;
   private long blockCommitSequenceId;
+  // null value when not set with private constructor.(This is to avoid confusion of replica index 0 & null value).
+  // This value would be only set when deserializing from ContainerProtos.DatanodeBlockID or copying from another
+  // BlockID object.
+  private final Integer replicaIndex;
 
   public BlockID(long containerID, long localID) {
-    this(containerID, localID, 0);
+    this(containerID, localID, 0, null);
   }
 
-  private BlockID(long containerID, long localID, long bcsID) {
+  private BlockID(long containerID, long localID, long bcsID, Integer repIndex) {
     containerBlockID = new ContainerBlockID(containerID, localID);
     blockCommitSequenceId = bcsID;
+    this.replicaIndex = repIndex;
+  }
+
+  public BlockID(BlockID blockID) {
+    this(blockID.getContainerID(), blockID.getLocalID(), blockID.getBlockCommitSequenceId(),
+        blockID.getReplicaIndex());
   }
 
   public BlockID(ContainerBlockID containerBlockID) {
-    this(containerBlockID, 0);
+    this(containerBlockID, 0, null);
   }
 
-  private BlockID(ContainerBlockID containerBlockID, long bcsId) {
+  private BlockID(ContainerBlockID containerBlockID, long bcsId, Integer repIndex) {
     this.containerBlockID = containerBlockID;
     blockCommitSequenceId = bcsId;
+    this.replicaIndex = repIndex;
   }
 
   public long getContainerID() {
@@ -65,6 +76,11 @@ public void setBlockCommitSequenceId(long blockCommitSequenceId) {
     this.blockCommitSequenceId = blockCommitSequenceId;
   }
 
+  // Can return a null value in case it is not set.
+  public Integer getReplicaIndex() {
+    return replicaIndex;
+  }
+
   public ContainerBlockID getContainerBlockID() {
     return containerBlockID;
   }
@@ -79,21 +95,32 @@ public String toString() {
   public void appendTo(StringBuilder sb) {
     containerBlockID.appendTo(sb);
     sb.append(" bcsId: ").append(blockCommitSequenceId);
+    sb.append(" replicaIndex: ").append(replicaIndex);
   }
 
   @JsonIgnore
   public ContainerProtos.DatanodeBlockID getDatanodeBlockIDProtobuf() {
+    ContainerProtos.DatanodeBlockID.Builder blockID = getDatanodeBlockIDProtobufBuilder();
+    if (replicaIndex != null) {
+      blockID.setReplicaIndex(replicaIndex);
+    }
+    return blockID.build();
+  }
+
+  @JsonIgnore
+  public ContainerProtos.DatanodeBlockID.Builder getDatanodeBlockIDProtobufBuilder() {
     return ContainerProtos.DatanodeBlockID.newBuilder().
         setContainerID(containerBlockID.getContainerID())
         .setLocalID(containerBlockID.getLocalID())
-        .setBlockCommitSequenceId(blockCommitSequenceId).build();
+        .setBlockCommitSequenceId(blockCommitSequenceId);
   }
 
   @JsonIgnore
-  public static BlockID getFromProtobuf(
-      ContainerProtos.DatanodeBlockID blockID) {
+  public static BlockID getFromProtobuf(ContainerProtos.DatanodeBlockID blockID) {
     return new BlockID(blockID.getContainerID(),
-        blockID.getLocalID(), blockID.getBlockCommitSequenceId());
+        blockID.getLocalID(),
+        blockID.getBlockCommitSequenceId(),
+        blockID.hasReplicaIndex() ? blockID.getReplicaIndex() : null);
   }
 
   @JsonIgnore
@@ -107,7 +134,7 @@ public HddsProtos.BlockID getProtobuf() {
   public static BlockID getFromProtobuf(HddsProtos.BlockID blockID) {
     return new BlockID(
         ContainerBlockID.getFromProtobuf(blockID.getContainerBlockID()),
-        blockID.getBlockCommitSequenceId());
+        blockID.getBlockCommitSequenceId(), null);
   }
 
   @Override
@@ -119,14 +146,14 @@ public boolean equals(Object o) {
       return false;
     }
     BlockID blockID = (BlockID) o;
-    return containerBlockID.equals(blockID.getContainerBlockID())
-        && blockCommitSequenceId == blockID.getBlockCommitSequenceId();
+    return this.getContainerBlockID().equals(blockID.getContainerBlockID())
+        && this.getBlockCommitSequenceId() == blockID.getBlockCommitSequenceId()
+        && Objects.equals(this.getReplicaIndex(), blockID.getReplicaIndex());
   }
 
   @Override
   public int hashCode() {
-    return Objects
-        .hash(containerBlockID.getContainerID(), containerBlockID.getLocalID(),
-            blockCommitSequenceId);
+    return Objects.hash(containerBlockID.getContainerID(), containerBlockID.getLocalID(),
+        blockCommitSequenceId, replicaIndex);
   }
 }