Synnefo

#!/bin/sh

### BEGIN INIT INFO

# Provides:		  snf-dispatcher

# Required-Start:	$remote_fs $syslog

# Required-Stop:	 $remote_fs $syslog

# Default-Start:	 2 3 4 5

# Default-Stop:	  0 1 6

# Short-Description: Synnefo dispatcher daemon

# Description:	   Dispatcher is a daemon for the synnefo middleware logic layer

### END INIT INFO

set -e

# /etc/init.d/snf-dispatcher: start and stop the dispatcher daemon

DAEMON=/usr/bin/snf-dispatcher

SNF_DSPTCH_OPTS=''

SNF_DSPTCH_DEFAULTS_FILE=/etc/default/snf-dispatcher

SNF_DSPTCH_RUNDIR=/var/run/synnefo

SNF_DSPTCH_PID_FILE=$SNF_DSPTCH_RUNDIR/snf_dispatcher.pid

test -x $DAEMON || exit 0

. /lib/lsb/init-functions

if [ -s $SNF_DSPTCH_DEFAULTS_FILE ]; then

	. $SNF_DSPTCH_DEFAULTS_FILE

	SNF_DSPTCH_OPTS=$SNF_DSPTCH_OPTS" -p $SNF_DSPTCH_PID_FILE"

	case "x$SNF_DSPTCH_ENABLE" in

	xtrue|xfalse)	;;

	*)		log_failure_msg "Value of SNF_DSPTCH_ENABLE in $SNF_DSPTCH_DEFAULTS_FILE must be either 'true' or 'false';"

			log_failure_msg "not starting dispatcher daemon."

			exit 1

			;;

	esac

fi

export PATH="${PATH:+$PATH:}/usr/sbin:/sbin"

dispatcher_start() {

	if start-stop-daemon --start --chuid $SNF_USER --exec $DAEMON -- $SNF_DSPTCH_OPTS; then

		rc=0

		sleep 1

		if ! kill -0 $(cat $SNF_DSPTCH_PID_FILE) >/dev/null 2>&1; then

			log_failure_msg "snf-dispatcher daemon failed to start"

			rc=1

		fi

	else

		rc=1

	fi

	if [ $rc -eq 0 ]; then

		log_end_msg 0

	else

		log_end_msg 1

		rm -f $SNF_DSPTCH_PID_FILE

	fi

} # dispatcher_start

case "$1" in

  start)

	# Ensure the directory containing the pidfile exists

	# and has the right permissions

        mkdir -p $SNF_DSPTCH_RUNDIR

        chown $SNF_USER $SNF_DSPTCH_RUNDIR

        chmod 0755 $SNF_DSPTCH_RUNDIR

	if "$SNF_DSPTCH_ENABLE"; then

		log_daemon_msg "Starting snf-dispatcher daemon" "snf-dispatcher"

		if [ -s $SNF_DSPTCH_PID_FILE ] && kill -0 $(cat $SNF_DSPTCH_PID_FILE) >/dev/null 2>&1; then

		log_progress_msg "apparently already running"

		log_end_msg 0

		exit 0

		fi

			dispatcher_start

		else

			[ "$VERBOSE" != no ] && log_warning_msg "snf-dispatcher daemon not enabled in $SNF_DSPTCH_DEFAULTS_FILE, not starting..."

	fi

	;;

  stop)

	log_daemon_msg "Stopping snf-dispatcher daemon" "snf-dispatcher"

	start-stop-daemon --stop --quiet --oknodo --pidfile $SNF_DSPTCH_PID_FILE

	log_end_msg $?

	rm -f $SNF_DSPTCH_PID_FILE

	;;

  restart)

	set +e

	if $SNF_DSPTCH_ENABLE; then

		log_daemon_msg "Restarting dispatcher daemon" "dispatcher"

		if [ -s $SNF_DSPTCH_PID_FILE ] && kill -0 $(cat $SNF_DSPTCH_PID_FILE) >/dev/null 2>&1; then

		start-stop-daemon --stop --quiet --oknodo --pidfile $SNF_DSPTCH_PID_FILE || true

		sleep 1

		else

		log_warning_msg "dispatcher daemon not running, attempting to start."

			rm -f $SNF_DSPTCH_PID_FILE

		fi

			dispatcher_start

		else

			[ "$VERBOSE" != no ] && log_warning_msg "dispatcher daemon not enabled in $SNF_DSPTCH_DEFAULTS_FILE, not starting..."

	fi

	;;

  status)

	status_of_proc -p $SNF_DSPTCH_PID_FILE "$DAEMON" dispatcher

	exit $?	# notreached due to set -e

	;;

  *)

	echo "Usage: /etc/init.d/snf-dispatcher {start|stop|restart|status}"

	exit 1

esac

exit 0