#!/bin/sh
#
#
#	Dummy OCF RA. Does nothing but wait a few seconds, can be
#	configured to fail occassionally.
#
# Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Brée
#                    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:

. ${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs

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

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

<longdesc lang="en">
This is a Dummy Resource Agent. It does absolutely nothing except 
keep track of whether its running or not.
Its purpose in life is for testing and to serve as a template for RA writers.
</longdesc>
<shortdesc lang="en">Dummy resource agent</shortdesc>

<parameters>
<parameter name="state" unique="1">
<longdesc lang="en">
Location to store the resource state in.
</longdesc>
<shortdesc lang="en">State file</shortdesc>
<content type="string" default="${HA_RSCTMP}/Dummy-{OCF_RESOURCE_INSTANCE}.state" />
</parameter>

</parameters>

<actions>
<action name="start"        timeout="90" />
<action name="stop"         timeout="100" />
<action name="monitor"      timeout="20" interval="10" depth="0" start-delay="0" />
<action name="reload"       timeout="90" />
<action name="migrate_to"   timeout="100" />
<action name="migrate_from" timeout="90" />
<action name="meta-data"    timeout="5" />
<action name="verify-all"   timeout="30" />
</actions>
</resource-agent>
END
}

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

# don't exit on TERM, to test that lrmd makes sure that we do exit
trap sigterm_handler TERM
sigterm_handler() {
	ocf_log info "They use TERM to bring us down. No such luck."
	return
}

dummy_usage() {
	cat <<END
usage: $0 {start|stop|monitor|migrate_to|migrate_from|validate-all|meta-data}

Expects to have a fully populated OCF RA-compliant environment set.
END
}

dummy_start() {
    dummy_monitor
    if [ $? =  $OCF_SUCCESS ]; then
	return $OCF_SUCCESS
    fi
    touch ${OCF_RESKEY_state}
}

dummy_stop() {
    dummy_monitor
    if [ $? =  $OCF_SUCCESS ]; then
	rm ${OCF_RESKEY_state}
    fi
    return $OCF_SUCCESS
}

dummy_monitor() {
	# Monitor _MUST!_ differentiate correctly between running
	# (SUCCESS), failed (ERROR) or _cleanly_ stopped (NOT RUNNING).
	# That is THREE states, not just yes/no.
	
	if [ -f ${OCF_RESKEY_state} ]; then
	    return $OCF_SUCCESS
	fi
	if false ; then
		return $OCF_ERR_GENERIC
	fi
	return $OCF_NOT_RUNNING
}

dummy_validate() {
    
    # Is the state directory writable? 
    state_dir=`dirname "$OCF_RESKEY_state"`
    touch "$state_dir/$$"
    if [ $? != 0 ]; then
	return $OCF_ERR_ARGS
    fi
    rm "$state_dir/$$"

    return $OCF_SUCCESS
}

: ${OCF_RESKEY_state=${HA_RSCTMP}/Dummy-${OCF_RESOURCE_INSTANCE}.state}

case $__OCF_ACTION in
meta-data)	meta_data
		exit $OCF_SUCCESS
		;;
start)		dummy_start;;
stop)		dummy_stop;;
monitor)	dummy_monitor;;
migrate_to)	ocf_log info "Migrating ${OCF_RESOURCE_INSTANCE} to ${OCF_RESKEY_CRM_meta_migrate_to}."
	        dummy_stop
		;;
migrate_from)	ocf_log info "Migrating ${OCF_RESOURCE_INSTANCE} to ${OCF_RESKEY_CRM_meta_migrated_from}."
	        dummy_start
		;;
reload)		ocf_log err "Reloading..."
	        dummy_start
		;;
validate-all)	dummy_validate;;
usage|help)	dummy_usage
		exit $OCF_SUCCESS
		;;
*)		dummy_usage
		exit $OCF_ERR_UNIMPLEMENTED
		;;
esac
rc=$?
ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
exit $rc

