#!/bin/sh
#
#	Evmsd OCF RA.
#
# Copyright (c) 2004 SUSE LINUX AG, Jo De Baer
#                    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:

: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs

# Parameter defaults

OCF_RESKEY_ignore_deprecation_default="false"

: ${OCF_RESKEY_ignore_deprecation=${OCF_RESKEY_ignore_deprecation_default}}

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

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

<longdesc lang="en">
Deprecation warning: EVMS is no longer actively maintained and should not be used. This agent is deprecated and may be removed from a future release. --
This is a Evmsd Resource Agent.
</longdesc>
<shortdesc lang="en">Controls clustered EVMS volume management
(deprecated)</shortdesc>

<parameters>
<parameter name="ignore_deprecation">
<longdesc lang="en">
If set to true, suppresses the deprecation warning for this agent.
</longdesc>
<shortdesc lang="en">Suppress deprecation warning</shortdesc>
<content type="boolean" default="${OCF_RESKEY_ignore_deprecation_default}" />
</parameter>
</parameters>

<actions>
<action name="start"        timeout="20s" />
<action name="stop"         timeout="20s" />
<action name="monitor"      timeout="20s" interval="10s" depth="0" />
<action name="meta-data"    timeout="5s" />
</actions>
</resource-agent>
END
}

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

evmsd_usage() {
	cat <<END
usage: $0 {start|stop|monitor|meta-data}

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

evmsd_start() {
	local PID=`pgrep evmsd`
	if [ -z $PID ] ; then
		nohup /sbin/evmsd &
		# Spin waiting for the server to come up.
    		# Let the CRM/LRM time us out if required
    		start_wait=1
    		while [ $start_wait = 1 ]; do
			if evmsd_monitor ; then
				sleep 1
				return $OCF_SUCCESS
			else
				sleep 1
			fi
    		done
	else
		# already running
		return $OCF_SUCCESS
	fi
}

evmsd_stop() {
	local PID=`pgrep evmsd`
	if [ -z $PID ] ; then
		# not running
		return $OCF_SUCCESS
	else
		/bin/kill -15 $PID
		sleep 1
		/bin/kill -9 $PID
		# Spin waiting for the server to go down.
    		# Let the CRM/LRM time us out if required
    		stop_wait=1
    		while [ $stop_wait = 1 ]; do
			if evmsd_monitor ; then
				sleep 1
			else
				return $OCF_SUCCESS
			fi
    		done
	fi
}

evmsd_monitor() {
	local PID=`pgrep evmsd`
	if [ -z $PID ] ; then
		return $OCF_NOT_RUNNING
	else
		return $OCF_SUCCESS
	fi
}

if [ "$__OCF_ACTION" = "meta-data" ]; then
    meta_data
    exit $OCF_SUCCESS
fi

# Be obnoxious, log deprecation warning on every invocation (unless
# suppressed by resource configuration).
ocf_deprecated

case $__OCF_ACTION in
start)		evmsd_start;;
stop)		evmsd_stop;;
monitor)	evmsd_monitor;;
usage|help)	evmsd_usage
		exit $OCF_SUCCESS
		;;
*)		evmsd_usage
		exit $OCF_ERR_UNIMPLEMENTED
		;;
esac
rc=$?
ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
exit $rc