/etc/init.d/arc-datadelivery-service

#!/bin/bash
#
# Init file for the DataDelivery service
#

# chkconfig: 2345 87 13
# description: ARC DataDelivery service
# processname: arched

### BEGIN INIT INFO
# Provides:          arc-datadelivery-service
# Required-Start:    $local_fs $remote_fs
# Required-Stop:     $local_fs $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: ARC DataDelivery service
# Description:       ARC DataDelivery service
### END INIT INFO

# source function library
if [ -f /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 [ -f /lib/lsb/init-functions ]; then
    . /lib/lsb/init-functions
else
    echo "Error: Cannot source neither init.d nor lsb functions"
    exit 1
fi

add_library_path() {
    location="$1"
    if [ ! "x$location" = "x" ] ; then
        if [ ! "$location" = "/usr" ] ; then
            libdir="$location/lib"
            libdir64="$location/lib64"
            if [ -d "$libdir64" ] ; then
                if [ "x$LD_LIBRARY_PATH" = "x" ]; then
                    LD_LIBRARY_PATH="$libdir64"
                else
                    LD_LIBRARY_PATH="$libdir64:$LD_LIBRARY_PATH"
                fi
            fi
            if [ -d "$libdir" ] ; then
                if [ "x$LD_LIBRARY_PATH" = "x" ]; then
                    LD_LIBRARY_PATH="$libdir"
                else
                    LD_LIBRARY_PATH="$libdir:$LD_LIBRARY_PATH"
                fi
            fi
        fi
    fi
}

prog=arched
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/arc-datadelivery-service ]; then
    . /etc/sysconfig/arc-datadelivery-service
elif [ -r /etc/default/arc-datadelivery-service ]; then
    . /etc/default/arc-datadelivery-service
fi

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

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

# Needed to get pid file
readconfigvar() {
    fname=$1
    if [ ! -r "$fname" ]; then
        return
    fi
    bname="[$2]"
    vname=$3
    value=
    cat "$fname" | grep -e '^\[' -e "^${vname}[[:space:]]*=" | {
        while true; do
            read line
            if [ ! $? = 0 ] ; then
                return
            fi
            if [ "$line" = "$bname" ] ; then
                while true ; do
                    read line
                    if [ ! $? = 0 ] ; then
                        return
                    fi
                    lstart=`echo "$line" | head -c 1`
                    if [ "$lstart" = '[' ] ; then
                        return
                    fi
                    vlname=`echo "$line" | sed 's/=.*//;t;s/.*//'`
                    vlname=`eval "echo $vlname"`
                    if [ "$vlname" = "$vname" ] ; then
                        val=`echo "$line" | sed 's/[^=]*=//'`
                        eval "echo $val"
                        return
                    fi
                done
            fi
        done
    }
}

# ARC_CONFIG
if [ "x$ARC_CONFIG" = "x" ]; then
    if [ -r $ARC_LOCATION/etc/arc.conf ]; then
        ARC_CONFIG=$ARC_LOCATION/etc/arc.conf
    elif [ -r /etc/arc.conf ]; then
        ARC_CONFIG=/etc/arc.conf
    fi
fi

PID_FILE=`readconfigvar "$ARC_CONFIG" common pidfile`

if [ `id -u` = 0 ] ; then
    # Debian does not have /var/lock/subsys
    if [ -d /var/lock/subsys ]; then
        LOCKFILE=/var/lock/subsys/$prog-datadelivery-service
    else
        LOCKFILE=/var/lock/$prog-datadelivery-service
    fi
    if [ "x$PID_FILE" = "x" ]; then
        PID_FILE=/var/run/$prog-datadelivery-service.pid
    fi
else
    LOCKFILE=$HOME/$prog-datadelivery-service.lock
    if [ "x$PID_FILE" = "x" ]; then
        PID_FILE=$HOME/$prog-datadelivery-service.pid
    fi
fi

LOG_FILE=`readconfigvar "$ARC_CONFIG" common logfile`
if [ "x$LOG_FILE" = "x" ]; then
    LOG_FILE=/var/log/arc/datadelivery-service.log
fi

prepare() {

    CMD="$ARC_LOCATION/sbin/$prog"
    if [ ! -x "$CMD" ]; then
        log_failure_msg "Missing executable"
        exit 1
    fi

    if [ ! -r "$ARC_CONFIG" ]; then
        log_failure_msg "ARC configuration not found (usually /etc/arc.conf)"
        exit 1
    fi
    
    # check that at least service is defined
    grep -e '^\[datadelivery-service\]' $ARC_CONFIG 1>/dev/null 2>&1
    if [ $? -ne 0 ] ; then
        log_failure_msg "Data delivery service not defined in configuration"
        exit 1
    fi
    
    # check that if service is insecure no allowed_dns are defined
    SECURE=`readconfigvar "$ARC_CONFIG" common secure`
    ALLOWEDDN=`readconfigvar "$ARC_CONFIG" datadelivery-service allowed_dn`
    if [ "$SECURE" = "no" ]; then
        if [ "x$ALLOWEDDN" != "x" ]; then
            log_failure_msg "allowed_dn cannot be used with secure=no"
            exit 1
        fi
    fi

    # Assuming ini style config
    CMD="$CMD -i '$ARC_CONFIG' -p '$PID_FILE' -l '$LOG_FILE'"

    add_library_path "$GLOBUS_LOCATION"
    if [ "x$LD_LIBRARY_PATH" = "x" ]; then
        LD_LIBRARY_PATH=$ARC_LOCATION/lib
    else
        LD_LIBRARY_PATH=$ARC_LOCATION/lib:$LD_LIBRARY_PATH
    fi
    export LD_LIBRARY_PATH
}

start() {
    if [ "$RUN" != "yes" ] ; then
        echo "arc-datadelivery-service disabled, please adjust the configuration to your"
        echo "needs and then set RUN to 'yes' in /etc/default/arc-datadelivery-service to"
        echo "enable it."
        return 0
    fi

    echo -n "Starting $prog: "

    # Check if we are already running
    if [ -f $PID_FILE ]; then
        read pid < $PID_FILE
        if [ "x$pid" != "x" ]; then
            ps -p "$pid" -o comm 2>/dev/null | grep "^$prog$" 1>/dev/null 2>/dev/null
            if [ $? -eq 0 ] ; then
                log_success_msg "already running (pid $pid)"
                return 0
            fi
        fi
        rm -f "$PID_FILE" "$LOCKFILE"
    fi

    prepare

    eval "$CMD"
    RETVAL=$?

    if [ $RETVAL -eq 0 ]; then
        touch $LOCKFILE
        log_success_msg
    else
        log_failure_msg
    fi
    return $RETVAL
}

stop() {
    echo -n "Stopping $prog: "

    if [ -f "$PID_FILE" ]; then
        read pid < "$PID_FILE"
        if [ ! -z "$pid" ] ; then
            kill "$pid"
            RETVAL=$?
            if [ $RETVAL -eq 0 ]; then
                log_success_msg
            else
                log_failure_msg
            fi

            timeout=10; # enough time to kill any active processes
            while ( ps -p "$pid" -o comm 2>/dev/null | grep "^$prog$" 1>/dev/null 2>/dev/null ) && [ $timeout -ge 1 ] ; do
                sleep 1
                timeout=$(($timeout - 1))
            done

            [ $timeout -lt 1 ] && kill -9 "$pid" 1>/dev/null 2>&1
            rm -f "$PID_FILE" "$LOCKFILE"
        else
            RETVAL=1
            log_failure_msg "$prog shutdown - pidfile is empty"
        fi
    else
        RETVAL=0
        log_success_msg "$prog shutdown - already stopped"
    fi
    return $RETVAL
}

status() {
    if [ -f "$PID_FILE" ]; then
        read pid < "$PID_FILE"
        if [ "$pid" != "" ]; then
            if ps -p "$pid" > /dev/null; then
                echo "$1 (pid $pid) is running..."
                return 0
            fi
            echo "$1 stopped but pid file exists"
            return 1
        fi
    fi
    if [ -f $LOCKFILE ]; then
        echo "$1 stopped but lockfile exists"
        return 2
    fi
    echo "$1 is stopped"
    return 3
}

restart() {
    stop
    start
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    status)
        status $prog
        ;;
    restart | force-reload)
        restart
        ;;
    reload)
        ;;
    condrestart | try-restart)
        [ -f $LOCKFILE ] && restart || :
        ;;
    *)
        echo "Usage: $0 {start|stop|status|restart|force-reload|reload|condrestart|try-restart}"
        exit 1
        ;;
esac

exit $?
nordugrid-arc-datadelivery-service 4.0.0-1 / etc / init.d / arc-datadelivery-service
