audiblealarm.in

linux集群服务器软件代码包

#!/bin/sh
#
# Startup script for the Audible Alarm
#
# author: Kirk Lawson <[e-mail]> 
#         Horms <[e-mail]>
#
# description: sets an audiable alarm running by beeping at a set interval
# processname: alarm
# config: /etc/AudibleAlarm/AudibleAlarm.conf - not yet implemented
#
#	  OCF parameters are as below:
#		OCF_RESKEY_nodelist
#		
# Licence: GPL

#######################################################################
# Initialization:

# Source function library.
. @hb_libdir@/ocf-shellfuncs

#######################################################################
prefix=@prefix@
exec_prefix=@exec_prefix@
PIDFILE=@localstatedir@/run/heartbeat-bell
#For testing
#PIDFILE=/tmp/heartbeat-bell

# What host are we running on?
us=`uname -n`

usage() {
	echo "Usage: $0 {start|stop|restart|status|monitor}"
	echo "  The node list is an optional space delimited"
	echo "  list of hosts that should never sound the alarm."
	echo "$Id: AudibleAlarm.in,v 1.1 2004/12/20 16:19:37 sunjd Exp $";
}

meta_data() {
	cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="AudibleAlarm" version="0.9">
<version>1.0</version>

<longdesc lang="en">
Resource script for AudibleAlarm. It sets an audiable alarm running by beeping 
at a set interval. 
</longdesc>
<shortdesc lang="en">AudibleAlarm resource agent</shortdesc>

<parameters>
<parameter name="nodelist" unique="0">
<longdesc lang="en">
The node list that should never sound the alarm.
</longdesc>
<shortdesc lang="en">Node list</shortdesc>
<content type="string" default="" />
</parameter>
</parameters>

<actions>
<action name="start" timeout="10" />
<action name="stop" timeout="10" />
<action name="restart" timeout="10" />
<action name="status" depth="0" timeout="10" interval="10" start-delay="10" />
<action name="monitor" depth="0" timeout="10" interval="10" start-delay="10" />
<action name="meta-data" timeout="5" />
</actions>
</resource-agent>
END
}

audiablealarm_start () {
	ocf_log "info" "$0: Starting"
    	if [ -f $PIDFILE ]; then
        	PID=`head -n 1 $PIDFILE`
		ocf_log "info" "$0: Appears to already be running, killing [$PID]"
		kill $PID > /dev/null
	fi
	while [ 1 ]; do 
		sleep 1  #Sleep first, incase we bail out
		echo -ne "\a" > /dev/console 
		# Uncomment this line to cause floppy drive light
		# to flash (requires fdutils package).
		# /usr/bin/floppycontrol --pollstate > /dev/null
	done&
	if ! echo $! >  $PIDFILE; then
		ocf_log "info" "$0: Could not write to pid file \"$PIDFILE\", bailing"
		kill $!
		return 1
	fi

	return $?
}

audiablealarm_stop () {
	ocf_log "info" "$0: Shutting down"
  	if [ -f $PIDFILE ]; then
		PID=`head -n 1 $PIDFILE`
		# ocf_log "info" "$0: Appears to already be running, killing [$PID]"
		# commented by Phost, since the confusion in the log.
		kill $PID > /dev/null
		rm -f $PIDFILE
	fi

	return $?
}

audiablealarm_restart () {
	audiablealarm_stop 
	audiablealarm_start 

	return $?
}

audiablealarm_status () {
  	if [ -f $PIDFILE ]; then
		echo running
	else
		echo stopped
	fi

	return 0
}

if
  ( [ $# -eq 0 ] || [ $# -gt 1 ] )
then
  usage
  exit 1
fi

case "$1" in
   meta-data)		
	meta_data
	exit $OCF_SUCCESS
	;;
   start)
	for arg in "$OCF_RESKEY_nodelist"
 	  do
	    if [ "$us" = "$arg" ]; then
	      # We should not start because we are on a host
	      # listed in our argument list.
              exit 0
	    fi
	  done
	audiablealarm_start
	;;
  stop)
	audiablealarm_stop
	;;
  restart)
	audiablealarm_restart 
	;;
  status|monitor)
	audiablealarm_status 
	;;
  usage)
	usage 
	exit $OCF_SUCCESS
	;;

  *)
	usage
	exit $OCF_ERR_UNIMPLEMENTED
	;;
esac

exit $?