nordugrid-arc-ldap-infosys 4.0.0-1 / etc / init.d / nordugrid-arc-slapd

#!/bin/bash
#
# Init file for the NorduGrid/ARC LDAP based Information System
#
# chkconfig: 2345 75 25
# description: NorduGrid/ARC Information system
#
# config: /etc/sysconfig/nordugrid
# config: /etc/sysconfig/nordugrid-arc-slapd
# config: /etc/arc.conf
#
######################################################################

### BEGIN INIT INFO
# Provides:          nordugrid-arc-slapd
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: NorduGrid/ARC Information system
# Description:       NorduGrid/ARC LDAP based Information System
### END INIT INFO

# Helper functions
if [ -r /etc/init.d/functions ]; then
    . /etc/init.d/functions
    log_success_msg() {
	echo -n "$@"
	success "$@"
	echo
    }
    log_warning_msg() {
	echo -n "$@"
	warning "$@"
	echo
    }
    log_failure_msg() {
	echo -n "$@"
	failure "$@"
	echo
    }
elif [ -r /lib/lsb/init-functions ]; then
    . /lib/lsb/init-functions
else
    echo "Error: Cannot source neither init.d nor lsb functions"
    exit 1
fi

RETVAL=0
prog=nordugrid-arc-slapd
RUN=yes

# sysconfig files
if [ -r /etc/sysconfig/nordugrid ]; then
    . /etc/sysconfig/nordugrid
elif [ -r /etc/default/nordugrid ]; then
    . /etc/default/nordugrid
fi
if [ -r /etc/sysconfig/$prog ]; then
    . /etc/sysconfig/$prog
elif [ -r /etc/default/$prog ]; then
    . /etc/default/$prog
fi

if [ "x$RUN" != "xyes" ]; then
    log_warning_msg "$prog disabled, please adjust the configuration to your"
    log_warning_msg "needs and then set RUN to 'yes' in /etc/default/$prog to enable it."
    exit 0
fi

[ -n "$ARC_LOCATION" ] && export ARC_LOCATION
[ -n "$ARC_CONFIG" ]   && export ARC_CONFIG

ARC_LOCATION=${ARC_LOCATION:-/usr}
if [ ! -d "$ARC_LOCATION" ]; then
    log_failure_msg "ARC_LOCATION ($ARC_LOCATION) not found"
    exit 1
fi

bdii_run_dir=/var/run/arc/bdii
slapd_pid_file=$bdii_run_dir/db/slapd.pid

# Debian does not have /var/lock/subsys
if [ -d /var/lock/subsys ]; then
    slapd_lock_file=${slapd_lock_file:-/var/lock/subsys/$prog}
else
    slapd_lock_file=${slapd_lock_file:-/var/lock/$prog}
fi

start () {
    if [ -r "${slapd_lock_file}" ]; then
	log_success_msg "$prog already started"
	RETVAL=0
	return ${RETVAL}
    fi

    ${ARC_LOCATION}/share/arc/create-slapd-config
    if [ ! $? = 0 ]; then
	log_failure_msg "Failed to create configuration for $prog"
	exit 1
    fi
    /bin/sh /var/run/arc/infosys/bdii-slapd.cmd

    touch ${slapd_lock_file}

    iterlimit=30
    while [ $iterlimit -ge 0 ] && ! [ -r ${slapd_pid_file} ]; do
	sleep 1
	iterlimit=$(expr $iterlimit - 1)
    done

    if ! [ -r "${slapd_pid_file}" ]; then
	log_failure_msg "$prog failed to start"
	rm -f ${slapd_lock_file}
	RETVAL=1
	return ${RETVAL}
    fi

    log_success_msg "$prog started"

    if [ -x "/etc/init.d/nordugrid-arc-bdii" ] ; then
	/etc/init.d/nordugrid-arc-bdii condrestart
    fi
}

stop () {
    if [ ! -r "${slapd_lock_file}" ]; then
	log_success_msg "$prog already stopped"
	RETVAL=0
	return ${RETVAL}
    fi

    if [ -r "${slapd_pid_file}" ]; then
	slapd_pid=$(cat ${slapd_pid_file})
	ps ${slapd_pid} >/dev/null 2>&1
	if [ ! $? = 0 ]; then
	    log_failure_msg "$prog pid file exists but the process died"
	    RETVAL=1
	    return ${RETVAL}
	fi
    else
	log_failure_msg "$prog process has no pid file"
	RETVAL=1
	return ${RETVAL}
    fi

    if [ -n "${slapd_pid}" ]; then
	kill -15 ${slapd_pid} 2>/dev/null
	ps ${slapd_pid} >/dev/null 2>&1
	if [ $? = 0 ]; then
	    sleep 2
	    ps ${slapd_pid} >/dev/null 2>&1
	    if [ $? = 0 ]; then
		kill -9 ${slapd_pid} 2>/dev/null
		sleep 2
		ps ${slapd_pid} >/dev/null 2>&1
		if [ $? = 0 ]; then
		    RETVAL=2
		else
		    rm -f {slapd_pid_file}
		fi
	    fi
	fi
    fi

    if [ ${RETVAL} = 2 ];  then
	log_failure_msg "Could not stop $prog with pid: $slapd_pid"
    else
	rm -f ${slapd_lock_file}
	log_success_msg "$prog stopped"
    fi

    return ${RETVAL}
}

status ()  {
    if [ ! -r "${slapd_lock_file}" ]; then
	log_success_msg "$prog is stopped"
	RETVAL=3
	return ${RETVAL}
    fi

    if [ -r ${slapd_pid_file} ]; then
	ps $(cat ${slapd_pid_file}) >/dev/null 2>&1
	if [ ! $? = 0 ]; then
	    log_failure_msg "$prog pid file exists but the process died"
	    RETVAL=1
	    return ${RETVAL}
	fi
    else
	log_failure_msg "$prog process has no pid file"
	RETVAL=1
	return ${RETVAL}
    fi

    log_success_msg "$prog is running"

    RETVAL=0
    return ${RETVAL}
}

case "$1" in
    start)
	start
	;;
    stop)
	stop
	;;
    restart | force-reload)
	stop
	# avoid race
	sleep 3
	start
	;;
    reload)
	;;
    status)
	status
	;;
    condrestart | try-restart)
	if [ -r ${slapd_lock_file} ]; then
	    stop
	    # avoid race
	    sleep 3
	    start
	fi
	;;
    *)
	echo "Usage: $0 {start|stop|restart|force-reload|reload|condrestart|try-restart|status}"
	exit 1
	;;
esac

exit $RETVAL