first commit

base/hadoop/2.8.1/files/namenode.sh

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+#!/bin/bash
+
+namedir=`echo $HDFS_CONF_dfs_namenode_name_dir | perl -pe 's#file://##'`
+
+if [ -z "$namedir" ]; then
+    echo 'please set HDFS_CONF_dfs_namenode_name_dir'
+    exit 2
+fi
+mkdir -p "$namedir"
+
+if [ ! -d "$namedir" ]; then
+  echo "Namenode name directory not found: $namedir"
+  exit 2
+fi
+
+if [ -z "$CLUSTER_NAME" ]; then
+  echo "Cluster name not specified"
+  exit 2
+fi
+
+if [ "`ls -A $namedir`" == "" ]; then
+  echo "Formatting namenode name directory: $namedir"
+  $HADOOP_PREFIX/bin/hdfs --config $HADOOP_CONF_DIR namenode -format $CLUSTER_NAME
+fi
+
+$HADOOP_PREFIX/bin/hdfs --config $HADOOP_CONF_DIR namenode