#!/bin/sh

### BEGIN INIT INFO
# Provides:
# Required-Start: $remote_fs $network $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Glance API server
# Description: OpenStack Image Service (code-named Glance) API server
### END INIT INFO

SUFFIX=@suffix@
DESC="glance-$SUFFIX"
DAEMON="/usr/bin/glance-$SUFFIX"
CONFIG="/etc/glance/glance-$SUFFIX.conf"
PIDFILE="/var/run/glance-$SUFFIX.pid"

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/glance ]; then
        mkdir /var/log/glance
    fi

    echo -n "Starting $DESC..."

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

    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 $pid > /dev/null 2>&1 ; then
            echo "$DESC is running"
            return
        fi
    fi
    echo "$DESC is not running"
}

reset()
{
    . /etc/nova/openrc

    # Cleanup all glance images
    simple_delete "glance image-list --all-tenant" "glance image-delete" 1 "glance image"

    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 5
    fi

    [ ! -d /var/log/glance ] && mkdir /var/log/glance
    sudo -u postgres dropdb glance
    sudo -u postgres createdb glance
    glance-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