init script for flexlm

flexlm

#!/bin/bash
#
#	/etc/rc.d/init.d/flexlm
#
#	Manage the Intel license server
#
# chkconfig: 2345 90 10
# description: Start or stop the Intel flex license manager
#              There are two daemons: the master and the vendor.

### BEGIN INIT INFO
# ref: http://refspecs.linux-foundation.org/LSB_3.2.0/LSB-Core-generic/LSB-Core-generic/facilname.html
# Provides: flexlm
# Required-Start: $syslog
# Required-Stop: 
# Default-Start: 2345
# Default-Stop: 10
# Short-Description: Intel flex license manager daemons.
# Description:      Start or stop the master and vendor daemons to support Intel floating licenses.
### END INIT INFO


# exit codes
  # standard codes per
  # http://refspecs.freestandards.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
  rc_OK=0
  rc_dead_and_pid_file_exists=1
  rc_dead_and_lock_exists=2
  rc_not_running=3
  rc_unimplemented=3
  rc_unknown=4
  # app-specific codes (150-199)

prog=$(basename $0)

# Source function library.
. /etc/init.d/functions

# read the config file if it exists
config=/etc/sysconfig/flexlm
[ -r ${config} ] && . ${config}

# default values (if not defined in config)
basedir=${basedir:-/opt/intel/flexlm}
license_file=${basedir}/${license_file:-server.lic}
logdir=${logdir:-/var/log/flexlm}
log_file=${logdir}/${log_file:-lmgrd.intel.log}
masterd=${masterd:-lmgrd.intel}
vendord=${vendord:-INTEL}
pid_dir=/var/run/flexlm
user=${user:-svc_flexlm}

# programs
lmstat=${basedir}/lmstat

# functions

check_status() {
	# see implementation_notes document with this rpm
	$lmstat -c $license_file 2>&1 | grep 'not running' &> /dev/null && _rc=$rc_unknown || _rc=0

	if [ $_rc -eq 0 ]; then
	  # appear to be running, so check pid files
	  master_pid_expected=$(cat $pid_dir/masterd 2> /dev/null)
	  master_pid_actual=$(pidof $masterd 2> /dev/null)
	  if [[ $master_pid_expected != $master_pid_actual ]]; then
	    echo "master pid file is missing or stale" >&2
	    _rc=$rc_unknown
	  fi
	  vendor_pid_expected=$(cat $pid_dir/vendord 2> /dev/null)
	  vendor_pid_actual=$(pidof $vendord 2> /dev/null)
	  if [[ $vendor_pid_expected != $vendor_pid_actual ]]; then
	    echo "vendor pid file is missing or stale" >&2
	    _rc=$rc_unknown
	  fi
	else
	  # not running, so pid files should not exist
	  if [[ -r $pid_dir/masterd ]] || [[ -r $pid_dir/vendord ]]; then
	    echo "flexlm is dead and pid file exists" >&2
	    _rc=$rc_dead_and_pid_file_exists
	  fi
	fi

	return $_rc
}

start() {
	echo -n "Starting flexlm master and vendor daemons: "

	su -c "cd $basedir && $basedir/$masterd -c $license_file -l $log_file 2>&1" - $user >> $logdir/startup.errors
	echo $(pidof $masterd) > $pid_dir/masterd
	echo $(pidof $vendord) > $pid_dir/vendord

	# per http://refspecs.freestandards.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
	# this should return 0 if we are started, even on a service already running
	check_status
	_rc=$?

	[ $_rc -eq 0 ] && echo_success || echo_failure
	echo
	return $_rc
}	

stop() {
	echo -n "Stopping flexlm master and vendor daemons: "

	for pid in $(pidof $masterd); do
	  kill -9 $pid
	done

	for pid in $(pidof $vendord); do
	  kill -9 $pid
	done

	rm -f $pid_dir/masterd
	rm -f $pid_dir/vendord

	# per http://refspecs.freestandards.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/iniscrptact.html
	# we should return 0 if stopped, even if we were already stopped or not enabled
	check_status &> /dev/null && _rc=1 || _rc=0

	[ $_rc -eq 0 ] && echo_success || echo_failure
	echo
	return $_rc
}

status() {
        echo -n "Status of flexlm: "

	check_status
	_rc=$?

	[ $_rc -eq 0 ] && echo_success || echo_failure
	echo
	return $_rc
}

case "$1" in
    start)
	start
	;;
    stop)
	stop
	;;
    status)
	status
	;;
    restart)
    	stop
	start
	;;
    *)
	echo "Usage: flexlm {start|stop|status|restart}"
	exit $rc_unimplemented
	;;
esac
exit $?

See http://jumanjiman.github.com/blog/2011/10/30/deploying-intel-studio-xe for an explanation of this gist.

On my SLES11SP4 I had to use /lib/lsb/init-functions insted of /etc/init.d/functions.