pacemaker/cts/HBDummy.in

#!/bin/sh
#
#
#	Dummy Heartbeat RA. Does nothing but touch and remove a state file
#
# Copyright (c) 2015 Lars Ellenberg
#
# Based on LSBDummy,
# Copyright (c) 2010 Andrew Beekhof
#                    All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# Further, this software is distributed without any warranty that it is
# free of the rightful claim of any third person regarding infringement
# or the like.  Any license provided herein, whether implied or
# otherwise, applies only to this software file.  Patent licenses, if
# any, provided herein do not apply to combinations of this program with
# other software, or any other product whatsoever.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
#

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

desc="Dummy Heartbeat service"
. @OCF_ROOT_DIR@/resource.d/heartbeat/.ocf-directories
: ${HA_VARRUN=/tmp} # Backup in case .ocf-directories doesn't exist

#######################################################################

success()
{
	echo -ne "[  OK  ]\r"
}

failure()
{
	echo -ne "[FAILED]\r"
}

dummy_usage() {
	cat <<END
usage: $0 dummyarg1 dummyarg2 {start|stop|status}

Dummy Heartbeat resource
END
}

dummy_start() {
    echo -n "Starting $desc: "
    touch ${state}
    if [ -f ${state} ]; then
	success
	return 0
    fi

    failure
    return 1
}

dummy_stop() {
    echo -n "Stopping $desc: "
    rm -f ${state}
    if [ ! -f ${state} ]; then
	success
	return 0
    fi

    failure
    return 1
}

dummy_monitor() {
    if [ -f ${state} ]; then
	echo "Running OK"
	return 0
    fi
    echo "$desc is stopped"
    return 3
}

# Positional arguments. Action is last. D'oh.

case $# in
3)	dummy_arg_1=$1 dummy_arg_2=$2 action=$3 ;;
*)
	dummy_usage
	exit 1
	;;
esac

state="${HA_VARRUN}/Dummy-`basename $0`-"$dummy_arg_1"-"$dummy_arg_2".state"

case $action in
start)		dummy_start;;
stop)		dummy_stop;;
status)		dummy_monitor;;
*)		dummy_usage
		exit 1
		;;
esac
rc=$?
echo "`basename $0` $1 : $rc"
exit $rc