#! /bin/sh
### BEGIN INIT INFO
# Provides:          radosgw
# Required-Start:    $remote_fs $named $network $time
# Required-Stop:     $remote_fs $named $network $time
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: radosgw RESTful rados gateway
### END INIT INFO

PATH=/sbin:/bin:/usr/bin

. /lib/lsb/init-functions

# prefix for radosgw instances in ceph.conf
PREFIX='client.radosgw.'

# user to run radosgw as (it not specified in ceph.conf)
DEFAULT_USER='www-data'

# directory to write logs to
LOGDIR='/var/log/radosgw'

RADOSGW=`which radosgw`
if [ ! -x "$RADOSGW" ]; then
    exit 0
fi

# make sure log dir exists
if [ ! -d "$LOGDIR" ]; then
    mkdir -p $LOGDIR
fi

case "$1" in
    start)
	for name in `ceph-conf --list-sections $PREFIX`;
	do
	    auto_start=`ceph-conf -n $name 'auto start'`
	    if [ "$auto_start" = "no" ] || [ "$auto_start" = "false" ] || [ "$auto_start" = "0" ]; then
		continue
	    fi

            # is the socket defined?  if it's not, this instance shouldn't run as a daemon.
	    rgw_socket=`ceph-conf -n $name 'rgw socket path'`
	    if [ -z "$rgw_socket" ]; then
		continue
	    fi

            # mapped to this host?
	    host=`ceph-conf -n $name host`
	    if [ "$host" != `hostname` ]; then
		continue
	    fi

	    user=`ceph-conf -n $name user`
	    if [ -z "$user" ]; then
		user="$DEFAULT_USER"
	    fi

	    log_file=`ceph-conf -n $name log_file`
	    if [ -n "$log_file" ] && [ ! -e "$log_file" ]; then
		touch "$log_file"
		chown $user $log_file
	    fi

            echo "Starting $name..."
	    start-stop-daemon --start -u $user -x $RADOSGW -- -n $name
	done
        ;;
    reload)
	echo "Reloading $name..."
	start-stop-daemon --signal HUP -x $RADOSGW --oknodo
	;;
    restart|force-reload)
        $0 stop
        $0 start
        ;;
    stop)
        start-stop-daemon --stop -x $RADOSGW --oknodo
        ;;
    *)
        echo "Usage: $0 start|stop|restart" >&2
        exit 3
        ;;
esac