#!/bin/sh
#
# 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
#. /usr/lib/ocf/resource.d/heartbeat/.ocf-shellfuncs

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

meta_data() {
	cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="L7vsd" version="1.0">
<version>1.0</version>

<longdesc lang="en">
This is a L7vsd Resource Agent.
</longdesc>
<shortdesc lang="en">L7vsd 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="" />
</parameter>

</parameters>

<actions>
<action name="start"        timeout="60" />
<action name="stop"         timeout="60" />
<action name="monitor"      timeout="60" interval="10" depth="0" start-delay="0" />
<action name="meta-data"    timeout="5" />
</actions>
</resource-agent>
END
}

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

l7vsd_usage() {
	cat <<END
usage: $0 {start|stop|monitor|meta-data}

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

###############################
# Resource start Method (dummy)
###############################
l7vsd_start() {
	l7vsd_monitor
	RET=$?
	if [[ $RET -eq $OCF_SUCCESS || $RET -eq $OCF_NOT_RUNNING ]];then
		touch ${OCF_RESKEY_state}
		return $OCF_SUCCESS
	else 
		return $OCF_ERR_GENERIC
  	fi
}

###############################
# Resource stop Method 
###############################
l7vsd_stop() {
    rm ${OCF_RESKEY_state}
    return $OCF_SUCCESS
}

###############################
# Logging Method
###############################
outputLog(){
	MODE=$1
	shift
	case $MODE in
		info)	RET=$1; shift;
			ocf_log $MODE "[$0 ${__OCF_ACTION}] OK;return=$RET" "$@";;
		err)	RET=$1; shift;
			ocf_log $MODE "[$0 ${__OCF_ACTION}] NG;return=$RET" "$@";;
	esac
}

###############################
# Resource Running Check Method
###############################
isRunning(){
	RET=0
	RET=`ps -ef | grep l7vsd | grep -v grep | grep -v less | grep -v vi | wc -l`
	return $RET
}

###############################
# Get Resource Status Method
###############################
l7vsd_status(){
	/etc/init.d/l7vsd status > /dev/null 2>&1
	#/usr/sbin/l7vsadm -l > /dev/null 2>&1
	RET=$?
	if [ $RET -eq 0 ]; then
		return $OCF_SUCCESS
	else
		MSG="l7vsd status ERROR!: $RET"
		outputLog err ${OCF_ERR_GENERIC} ${MSG}
		return $OCF_ERR_GENERIC
	fi
}

###############################
# Get Resource Monitor Method
###############################
l7vsd_monitor() {
	if [ -f ${OCF_RESKEY_state} ]; then
		break
	else
		return $OCF_NOT_RUNNING
	fi
	isRunning;
	RET=$?
	if [ $RET -eq 1 ]; then
		# l7vsd is running
		l7vsd_status
		if [ $? -eq $OCF_SUCCESS ]; then
			# status OK
			return $OCF_SUCCESS
		else
			break
		fi
	elif [ $RET -eq 0 ]; then
		MSG="l7vsd is not running."
		outputLog err ${OCF_NOT_RUNNING} ${MSG}
		return $OCF_NOT_RUNNING
	fi
	MSG="l7vsd does not work. (ps=$RET) "
	outputLog err ${OCF_ERR_GENERIC} ${MSG}
	return $OCF_ERR_GENERIC
}

: ${OCF_RESKEY_state=${HA_RSCTMP}/L7vsd-${OCF_RESOURCE_INSTANCE}.state}

case $__OCF_ACTION in
meta-data)	meta_data
		exit $OCF_SUCCESS ;;
start)		l7vsd_start;;
stop)		l7vsd_stop;;
monitor)	l7vsd_monitor;;
usage|help)	l7vsd_usage
		exit $OCF_SUCCESS
		;;
*)		l7vsd_usage
		exit $OCF_ERR_UNIMPLEMENTED
    
		;;
esac
rc=$?
ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc"
exit $rc
