#!/bin/bash
#
### BEGIN INIT INFO
# Provides:          mysql-ndb
# Required-Start:    $remote_fs $syslog mysql-ndb-mgm
# Required-Stop:     $remote_fs $syslog mysql-ndb-mgm
# Should-Start:      $network $named $time
# Should-Stop:       $network $named $time
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start and stop the mysql database cluster server daemon
# Description:       Controls the MySQL NDB Data Node daemon "ndbd".
### END INIT INFO
#
set -e
set -u
${DEBIAN_SCRIPT_DEBUG:+ set -v -x}

# Variables
SELF=$(cd $(dirname $0); pwd -P)/$(basename $0)
DAEMON=/usr/sbin/ndbd
CONF=/etc/mysql/my.cnf
export HOME=/etc/mysql/

# Safeguard (relative paths, core dumps..)
cd /
umask 077

# Exit *silently* if we're not supposed to be started.
#
# The Debian scripts should execute these scripts to stop and start
# the daemon when upgrading if it is started. On the other hand it should
# remain silently if the server has not even been configured.
# See /usr/share/doc/mysql-server-*/README.Debian for more information.
test -x $DAEMON || exit 0
if $DAEMON --help | grep -q '^ndb-connectstring.*No default value'; then exit 0; fi
. /lib/lsb/init-functions

#
# main()
#
case "${1:-''}" in
  'start')
	# Start daemon
        # Creatign a PID file does not work as the master process forks
        # a child with different PID and then terminates itself.
	log_daemon_msg "Starting MySQL NDB Data Node" "ndbd"
	if start-stop-daemon \
		--start \
		--exec $DAEMON \
		--user mysql
	then
	  log_end_msg 0
	else
	  log_end_msg 1
	  log_warning_msg "Please take a look at the syslog."
	  exit 1
	fi			  
	;;

  'start-initial')
        # Perform an initial start of ndbd
        log_daemon_msg "Initial start of MySQL NDB Data Node" "ndbd"
        if start-stop-daemon \
                --start \
                --exec $DAEMON \
                --user mysql \
                -- --initial
        then
          log_end_msg 0
        else
          log_end_msg 1
          log_warning_msg "Please take a look at the syslog."
          exit 1
        fi  
        ;;

  'stop')
	log_daemon_msg "Stopping MySQL NDB Data Node" "ndbd"	
	if start-stop-daemon \
		--stop \
		--oknodo \
		--exec $DAEMON
	then
	  log_end_msg 0
	else
	  log_end_msg 1
	  exit 1
        fi
	;;

  'restart'|'force-reload')
	set +e; $SELF stop; set -e
	$SELF start 
	;;

  *)
	echo "Usage: $SELF start|start-initial|stop|restart|force-reload"
	echo " * start-initial starts ndbd with '--initial'"
	exit 1
	;;
esac