#!/bin/bash
#
# /etc/init.d/storm-<%= @storm_service %>
#
# Startup script for storm-<%= @storm_service %>
#
# description: Starts and stops storm-<%= @storm_service %>
#
stormBin=<%= @storm_install_dir %>/bin/storm
stormSvc=<%= @storm_service %>
desc="Storm $stormSvc daemon"
outFile="/var/log/storm/storm-$stormSvc.out"

if ! [ -f $stormBin ]; then
  echo "storm binary not found."
  exit 5
fi

start() {
  echo "Starting $desc (storm-$stormSvc): "
  su <%= @storm_user %> -c "nohup $stormBin <%= @storm_service %> >>$outFile 2>&1 &"
  RETVAL=$?
  sleep 2
  return $RETVAL
}

stop() {
  echo "Shutting down $desc (storm-$stormSvc): "
  if [ $stormSvc == "ui" ]; then
    procname="storm.ui.core"
  else
    procname="storm.daemon.$stormSvc"
  fi

  pkill -f $procname
}

restart() {
  stop
  start
}

status() {
  if [ $stormSvc == "ui" ]; then
    pid=$(pgrep -f storm.ui.core)
  else
    pid=$(pgrep -f storm.daemon.$stormSvc)
  fi

  if [ -z $pid ]; then
    echo "storm-$stormSvc is NOT running."
    exit 1
  fi

  echo "storm-$stormSvc running with pid $pid"
  exit 0
}

case "$1" in
  start)   start;;
stop)    stop;;
restart) restart;;
status)  status;;
*)       echo "Usage: $0 {start|stop|restart}"
  RETVAL=2;;
esac
exit $RETVAL