Red Hat init.d Script

["Rossi Andrea Modesto" <an.rossi@xxxxxxxx>]

Hi All,

i use this script on my RHEL5:

#!/bin/bash
#===============================================================================
#
#          FILE:  glusterfsd
#
#         USAGE:  service glusterfsd {start|stop|restart|reload}
#
#   DESCRIPTION: 
#       OPTIONS:
#  REQUIREMENTS:  ---
#          BUGS:  ---
#         NOTES:  ---
#        AUTHOR:  Andrea Modesto Rossi, an.rossi@xxxxxxxx
#       COMPANY:  Spike Reply
#       LICENSE:  GPL
#       VERSION:  1.0 rc1
#       CREATED:  14/12/2007 11:21:27 CEST
#      REVISION:  ---
#===============================================================================

# Get function from functions library
#. /etc/rc.d/init.d/functions

LOGGER="/usr/bin/logger"
BASE=glusterfsd
GLUSTERFSD="/sbin/$BASE"
GSERVER="/sbin/$BASE -f /etc/glusterfs/glusterfs-server.vol"


function log_fail()
{
    echo "FAILED,$1"
}

getpid()
{
       pid=
       if [ -f /var/run/$BASE.pid ]; then
               local line p
               read line < /var/run/$BASE.pid
               for p in $line ; do
                       [ -z "${p//[0-9]/}" -a -d "/proc/$p" ] && pid="$pid $p"
               done
       fi
       if [ -z "$pid" ]; then
               pid=`pidof -o $$ -o $PPID -o %PPID -x $1 || \
                       pidof -o $$ -o $PPID -o %PPID -x $BASE`
       fi
}

# A function to stop gluster
killgluster()
{
       killlevel="-9"
       getpid
       if [ ! -z $pid ] ; then

           kill $killlevel $pid
           if [ "$?" = 0 ]
               then
                echo "Stopping $BASE:                [ OK ]"
                $LOGGER -p daemon.info "Gluster process $pid has been killed"          
           else
                echo "Stopping $BASE:                [ FAILED ]"
                $LOGGER -p daemon.error "Failed: Gluster process $pid has not been killed"
          fi

       # Remove pid and lock file if any.
          if [ -f /var/run/$BASE.pid ] ; then
               rm -f /var/run/$BASE.pid && logger -p daemon.info "Remove $BASE.pid:"
          else
               echo "$BASE.pid not found" && logger -p daemon.error "Remove $BASE.pid:"
          fi

          if [ -f /var/lock/subsys/$BASE ] ; then
             rm -f /var/lock/subsys/$BASE && logger -p daemon.info "Remove $BASE lock file:"
          else
             echo "$BASE lock file not found" && logger -p daemon.error "Remove $BASE lock file:"
         fi

       else
         echo "Stopping $BASE:          [ FAILED ]"
       fi
}

# Start the service $BASE
start()
{    
       $LOGGER -p daemon.notice "Starting $BASE:"
       $GSERVER > /dev/null 2>&1
       if [ $? = 0 ]
        then
          touch /var/lock/subsys/$BASE
          $LOGGER -p daemon.info "Starting $BASE:               [ OK ]"
          echo "Starting $BASE:                [ OK ]"
        else
          $LOGGER -p daemon.error "Starting $BASE:              [ FAILED ]"
          echo "Starting $BASE:               [ FAILED ]"
       fi
}

# Stop the service $BASE
stop()
{
       killgluster
}

status()
{ 
       getpid
       if [ -z $pid ] ; then
          echo "$BASE is stopped."
       else
          echo "$BASE is running:               $pid"
       fi
}


if [ ! -f $LOGGER ] ; then
    log_fail "cannot find logger"
    exit 1
fi

if [ ! -f $GLUSTERFSD ] ; then
    log_fail "cannot find glusterfsd"
    exit 1
fi

case "$1" in

    'start')
        start
        ;;

    'stop')
        stop
        ;;

    'restart')
        stop
        start
        ;;

    'reload')
        stop
        start
        ;;

    'status')
        status
        ;;

    *)
        echo "Usage: $0 { start | stop | restart | reload | status }"
        exit 1
        ;;
esac

exit 0


--------------------------------------------------------------------
Andrea Modesto Rossi
Spike Reply S.r.l.
Via Castellanza, 11 - 20151 Milano
e-mail an.rossi@xxxxxxxx
www.reply.it
--------------------------------------------------------------------
--------------------------------------------------------------------

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