#!/bin/sh
#
#     openSUSE system startup script for chronyd
#     Copyright (C) 2010  Pascal Bleser <pascal.bleser@opensuse.org>
#          
#     This library is free software; you can redistribute it and/or modify it
#     under the terms of the GNU Lesser General Public License as published by
#     the Free Software Foundation; either version 2.1 of the License, or (at
#     your option) any later version.
#			      
#     This library is distributed in the hope that it will be useful, but
#     WITHOUT ANY WARRANTY; without even the implied warranty of
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#     Lesser General Public License for more details.
#      
#     You should have received a copy of the GNU Lesser General Public
#     License along with this library; if not, write to the Free Software
#     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307,
#     USA.
#
# /etc/init.d/chronyd
#   and its symbolic link
# /usr/sbin/rcchronyd
#
### BEGIN INIT INFO
# Provides:          chronyd
# Required-Start:    $syslog $remote_fs $network $time
# Should-Start:      $time ypbind
# Required-Stop:     $syslog $remote_fs $network $time
# Should-Stop:       ypbind
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: Chrony daemon providing system clock synchronization
# Description:       Start the chrony daemon to manage the system clock
### END INIT INFO

SERVICE=chronyd

# Check for missing binaries (stale symlinks should not happen)
# Note: Special treatment of stop for LSB conformance
CHRONYD_BIN=/usr/sbin/FOO
test -x "$CHRONYD_BIN" || { echo "$CHRONYD_BIN not installed"; 
	if [ "$1" = "stop" ]; then exit 0;
	else exit 5; fi; }

# Check for existence of needed config file and read it
CHRONYD_CONFIG="/etc/sysconfig/chronyd"
test -r "$CHRONYD_CONFIG" || { echo "$CHRONYD_CONFIG not existing";
	if [ "$1" = "stop" ]; then exit 0;
	else exit 6; fi; }

# Read config	
. "$CHRONYD_CONFIG"

CHRONYD_USER=chrony

. /etc/rc.status
rc_reset            # Reset status of this service

case "$1" in
    start)
        CHRONY_OPTIONS=""
        [ "$CHRONY_IPV4" = "yes" -a "$CHRONY_IPV6" = "no" ] && CHRONY_OPTIONS="$CHRONY_OPTIONS -4"
        [ "$CHRONY_IPV4" = "no" -a "$CHRONY_IPV6" = "yes" ] && CHRONY_OPTIONS="$CHRONY_OPTIONS -6"
        [ "$CHRONY_LOCK_IN_RAM" = "yes" ] && CHRONY_OPTIONS="$CHRONY_OPTIONS -m"
        echo -n "Starting $SERVICE "
        /sbin/startproc "$CHRONYD_BIN" -u "$CHRONYD_USER" $CHRONY_OPTIONS
        rc_status -v
	;;
    stop)
        echo -n "Shutting down $SERVICE "
        /sbin/killproc -TERM "$CHRONYD_BIN"
        rc_status -v
	;;
    try-restart|condrestart)
        if test "$1" = "condrestart"; then
            echo "${attn} Use try-restart ${done}(LSB)${attn} rather than condrestart ${warn}(RH)${norm}"
        fi
        $0 status
        if test $? = 0; then
            $0 restart
        else
            rc_reset	# Not running is not a failure.
        fi
        rc_status
	;;
    restart)
        $0 stop
        $0 start
        rc_status
	;;
    force-reload)
        echo -n "Reload service $SERVICE "
        $0 try-restart
        rc_status
	;;
    reload)
        rc_failed 3
        rc_status -v
	;;
    status)
        echo -n "Checking for service $SERVICE "
        /sbin/checkproc "$CHRONYD_BIN"
        rc_status -v
	;;
    probe)
        test /etc/chronyd.conf -nt /var/run/chronyd.pid && echo reload
	;;
    *)
        echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
        exit 1
	;;
esac
rc_exit