HDFS-8456. Introduce STORAGE_CONTAINER_SERVICE as a new NodeType. (Contributed by Arpit Agarwal)

hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-7240.txt

@@ -0,0 +1,9 @@
+  Breakdown of HDFS-7240 sub-tasks:
+
+    HDFS-8210. Ozone: Implement storage container manager. (Jitendra Pandey)
+
+    HDFS-8392. Ozone: DataNode support for multiple datasets. (Arpit Agarwal)
+
+    HDFS-8456. Ozone: Introduce STORAGE_CONTAINER_SERVICE as a new NodeType.
+    (Arpit Agarwal)
+

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/HdfsServerConstants.java

@@ -84,7 +84,8 @@ public interface HdfsServerConstants {
   enum NodeType {
     NAME_NODE,
     DATA_NODE,
-    JOURNAL_NODE
+    JOURNAL_NODE,
+    STORAGE_CONTAINER_SERVICE
   }
 
   /** Startup options for rolling upgrade. */

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/StorageInfo.java

@@ -262,4 +262,8 @@ public class StorageInfo {
     }
     return props;
   }
+
+  public NodeType getNodeType() {
+    return storageType;
+  }
 }

hadoop-hdfs-project/hadoop-hdfs/src/main/proto/HdfsServer.proto

@@ -187,6 +187,14 @@ message StorageInfoProto {
   required uint32 namespceID = 2;    // File system namespace ID
   required string clusterID = 3;     // ID of the cluster
   required uint64 cTime = 4;         // File system creation time
+
+    enum NodeTypeProto {
+    NAME_NODE = 1;
+    DATA_NODE = 2;
+    JOURNAL_NODE = 3;
+    STORAGE_CONTAINER_SERVICE = 4;
+  }
+  optional NodeTypeProto nodeType = 5;
 }
 
 /**