#!/bin/sh

echo "$1"

if [ "$1" != configure ]
then
  exit 0
fi

setup_hdfsadm_user() {
  if ! getent passwd hdfsadm >/dev/null; then
    useradd hdfsadm
    mkdir -p /home/hdfsadm/.ssh
    mkdir -p /var/log/hadoop
    ssh-keygen -t rsa -q -f /home/hdfsadm/.ssh/id_rsa -N ""
    cp /home/hdfsadm/.ssh/id_rsa.pub /home/hdfsadm/.ssh/authorized_keys
    chown hdfsadm:hdfsadm /var/log/hadoop
    chown -R hdfsadm:hdfsadm /home/hdfsadm/.ssh
    chown -R hdfsadm:hdfsadm /home/hdfsadm
    su -c "/opt/hadoop/bin/hadoop namenode -format" hdfsadm -
    su -c /opt/hadoop/bin/start-all.sh hdfsadm -
    echo "Please check via browsing following URLs:"
    echo "(1) http://localhost:50030 for Hadoop Map/Reduce Administration."
    echo "(2) http://localhost:50060 for Hadoop Task Tracker status"
    echo "(3) http://localhost:50070 for Hadoop Distributed File System status"
  fi
}

setup_hdfsadm_user