#!/bin/sh

### BEGIN INIT INFO
# Provides:
# Required-Start: $remote_fs $network $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: Heat Servers
# Description: OpenStack Orchestration Service (code-named heat)
### END INIT INFO

SUFFIX="@suffix@"
CONFIG="/etc/heat/heat.conf" 
if [ -n "$SUFFIX" ]; then
    DAEMON="/usr/bin/heat-$SUFFIX"
    DESC="heat-$SUFFIX"
    PIDFILE="/var/run/heat-$SUFFIX.pid"
else
    DAEMON="/usr/bin/heat"
    DESC="heat"
    PIDFILE="/var/run/heat.pid"
fi

start() 
{
    if [ -e $PIDFILE ]; then
        PIDDIR=/proc/$(cat $PIDFILE)
        if [ -d ${PIDDIR} ]; then
            echo "$DESC already running."
            exit 1
        else
            echo "Removing stale PID file $PIDFILE"
            rm -f $PIDFILE
        fi
    fi

    if [ ! -d /var/log/heat ]; then
        mkdir /var/log/heat
    fi

    echo -n "Starting $DESC..."

    start-stop-daemon --start --quiet --background \
        --pidfile ${PIDFILE} --make-pidfile --exec ${DAEMON} \
	-- --config-file $CONFIG --log-dir=/var/log/heat

    if [ $? -eq 0 ]; then
        echo "done."
    else
        echo "failed."
    fi
}

stop() 
{
    echo -n "Stopping $DESC..."
    start-stop-daemon --stop --quiet --pidfile $PIDFILE
    if [ $? -eq 0 ]; then
        echo "done."
    else
        echo "failed."
    fi
    rm -f $PIDFILE
}

status()
{
    pid=`cat $PIDFILE 2>/dev/null`
    if [ -n "$pid" ]; then
        if ps -p $pid >&- ; then
            echo "$DESC is running"
            return
        fi
    fi
    echo "$DESC is not running"
}

reset()
{
    stop

    # This is to make sure postgres is configured and running
    if ! pidof postmaster > /dev/null; then
       /etc/init.d/postgresql-init
       /etc/init.d/postgresql start
       sleep 2
    fi

    [ ! -d /var/log/heat ] && mkdir /var/log/heat
    sudo -u postgres dropdb heat
    sudo -u postgres createdb heat
    heat-manage db_sync

    start
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart|force-reload|reload)
        stop
        start
        ;;
    status)
	status
        ;;
    reset)
	reset
        ;;
    *)
        echo "Usage: $0 {start|stop|force-reload|restart|reload|status|reset}"
        exit 1
        ;;
esac

exit 0