scratch_73

#!/usr/bin/env bash
# Boot script for Spark master
### BEGIN INIT INFO
# Provides:          spark-master
# Required-Start:    $all $network
# Required-Stop:     $all $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Spark-master
# Description:       Spark-master (http://hadoop.apache.org/)
### END INIT INFO

function print_usage() {
  echo "Usage: $0 start|stop|restart" >&2
}

# Check for root
if (( ${EUID} != 0 )); then
  echo "This must be run as root." >& 2
  exit 1
fi

if (( $# != 1 )); then
  print_usage
  exit 1
fi

case "$1" in
  start|stop)
    su hadoop -c "/home/hadoop/spark-install/sbin/start-master.sh"
    RETVAL=$?
    ;;
  restart)
    $0 stop
    $0 start
    RETVAL=$?
    ;;
  *)
    print_usage
    exit 1
    ;;
esac

exit ${RETVAL}