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#!/bin/sh
#
# Startup script for the Audible Alarm
#
# author: Kirk Lawson <lklawson@heapy.com>
# Horms <horms@vergenet.net>
#
# description: sets an audible 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
#
# License: GNU General Public License (GPL)
#######################################################################
# Source function library.
: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
#######################################################################
PIDFILE=${HA_VARRUN}/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|meta-data|validate-all}"
echo " The node list is an optional space delimited"
echo " list of hosts that should never sound the alarm."
}
meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="AudibleAlarm" version="1.0">
<version>1.0</version>
<longdesc lang="en">
Resource script for AudibleAlarm. It sets an audible alarm running by beeping
at a set interval.
</longdesc>
<shortdesc lang="en">Emits audible beeps at a configurable interval</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="10s" />
<action name="stop" timeout="10s" />
<action name="restart" timeout="10s" />
<action name="status" depth="0" timeout="10s" interval="10s" />
<action name="monitor" depth="0" timeout="10s" interval="10s" />
<action name="meta-data" timeout="5s" />
<action name="validate-all" timeout="5s" />
</actions>
</resource-agent>
END
}
audiblealarm_start () {
ocf_log info "$0: Starting"
if [ -f $PIDFILE ]; then
PID=`head -n 1 $PIDFILE`
if [ -n "$PID" ]; then
ocf_log info "$0: Appears to already be running, killing [$PID]"
kill $PID > /dev/null
fi
fi
# Use () to create a subshell to make the redirection be synchronized.
( while [ 1 ]; do
sleep 1 #Sleep first, incase we bail out
printf "\a" > /dev/console
# Uncomment this line to cause floppy drive light
# to flash (requires fdutils package).
# /usr/bin/floppycontrol --pollstate > /dev/null
#
# To avoid issues when called by lrmd, redirect stdout->stderr.
done &
if echo $! > $PIDFILE; then
:
else
ocf_log info "$0: Could not write to pid file \"$PIDFILE\", bailing"
kill $!
return $OCF_ERR_GENERIC
fi) >&2
return $?
}
audiblealarm_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.
if [ -n "$PID" ]; then
# Donnot remove PIDFILE in case the `kill` fails.
kill $PID > /dev/null && rm -f $PIDFILE
fi
fi
return $?
}
audiblealarm_restart () {
audiblealarm_stop
audiblealarm_start
return $?
}
audiblealarm_status () {
if [ -f $PIDFILE ]; then
PID=`head -n 1 $PIDFILE`
if [ -n "$PID" ]; then
echo running
return $OCF_SUCCESS
fi
fi
echo stopped
return $OCF_NOT_RUNNING
}
audiblealarm_validate_all () {
check_binary printf
echo "Validate OK"
return $OCF_SUCCESS
}
if [ $# -ne 1 ]; then
usage
exit $OCF_ERR_ARGS
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 $OCF_SUCCESS
fi
done
audiblealarm_start
;;
stop)
audiblealarm_stop
;;
restart)
audiblealarm_restart
;;
status|monitor)
audiblealarm_status
;;
validate-all)
audiblealarm_validate_all
;;
usage)
usage
exit $OCF_SUCCESS
;;
*)
usage
exit $OCF_ERR_ARGS
;;
esac
exit $?
|
