HBASE-17648: HBase Table-level synchronization fails between two secured(kerberized) cluster

Signed-off-by: tedyu <yuzhihong@gmail.com>

hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/SyncTable.java

@@ -144,6 +144,12 @@ public class SyncTable extends Configured implements Tool {
       // would be nice to add an option for bulk load instead
     }
 
+    // Obtain an authentication token, for the specified cluster, on behalf of the current user
+    if (sourceZkCluster != null) {
+      Configuration peerConf =
+          HBaseConfiguration.createClusterConf(job.getConfiguration(), sourceZkCluster);
+      TableMapReduceUtil.initCredentialsForCluster(job, peerConf);
+    }
     return job;
   }