#!/bin/sh
#
# iproute - OCF script 
#
#
# possible OCF parameters:
# OCF_RESKEY_network (required)
# OCF_RESKEY_router (required)
# OCF_RESKEY_type
# OCF_RESKEY_netmask 


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

#. /usr/lib/heartbeat/ocf-shellfuncs
. /usr/lib/ocf/resource.d/heartbeat/.ocf-shellfuncs

#######################################################################
debug="`date` : $*"
#######################################################################

: ${OCF_RESKEY_type="host"}

meta_data() {
cat <<END
<?xml version="1.0"?>
<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
<resource-agent name="iproute">
<version>0.1</version>

<longdesc lang="en">
Resource Agent for the linux routing table
</longdesc>
<shortdesc lang="en">iproute resource agent</shortdesc>

<parameters>

<parameter name="network" unique="0" required="1">
<longdesc lang="en">
The network to be routed
</longdesc>
<shortdesc lang="en">The network to be routed</shortdesc>
<content type="string" default="" />
</parameter>


<parameter name="router" unique="0" required="1">
<longdesc lang="en">
The gateway-ip the routed network should be routed to
</longdesc>
<shortdesc lang="en">The gateway-ip</shortdesc>
<content type="string" default="" />
</parameter>


<parameter name="netmask" unique="0" required="0">
<longdesc lang="en">
The netmask of the routed net
</longdesc>
<shortdesc lang="en">The netmask of the net</shortdesc>
<content type="string" default="" />
</parameter>


<parameter name="type" unique="0" required="0">
<longdesc lang="en">
Type of route, host or net. Default is host
</longdesc>
<shortdesc lang="en">Type of route, host or net</shortdesc>
<content type="string" default="" />
</parameter>

</parameters>

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



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

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

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

iproute_exit() {
	if [ $1 -ne 0 ]; then
		ocf_log info "DEBUG $OCF_RESKEY_network $OCF_RESKEY_router --> iproute_exit (ExitCode: $1) <--"
	fi
	exit $1
}

iproute_start() {
 
	iproute_monitor
	rc=$?

	if [ $rc == $OCF_SUCCESS ]; then
                ocf_log info "iproute $OCF_RESKEY_network/$OCF_RESKEY_netmask - $OCF_RESKEY_router already running"
                return $OCF_SUCCESS
        else
        	if [ "$OCF_RESKEY_netmask" = "" ] ; then
                	/sbin/route add -$OCF_RESKEY_type $OCF_RESKEY_network gw $OCF_RESKEY_router
                	rc=$?
		else
                	/sbin/route add -$OCF_RESKEY_type $OCF_RESKEY_network netmask $OCF_RESKEY_netmask gw $OCF_RESKEY_router
                	rc=$?
		fi
                if
                        [ $rc -ne 0 ]
                then
                        return $OCF_ERR_PERM
                else
                        return $OCF_SUCCESS
                fi
        fi

}

iproute_stop() {

	iproute_monitor
	rc=$?

	if [ $rc == $OCF_SUCCESS ]; then
		/sbin/route -n del -$OCF_RESKEY_type $OCF_RESKEY_network gw $OCF_RESKEY_router
	else
                ocf_log info "iproute $OCF_RESKEY_network/$OCF_RESKEY_netmask - $OCF_RESKEY_router already stopped"
		return $OCF_SUCCESS
        fi

}

iproute_monitor() {

        FIND_NET=`/sbin/route -n | grep $OCF_RESKEY_network`
        if [ "$FIND_NET" = "" ] ; then
                return $OCF_NOT_RUNNING
        else
                FIND_ROUTER=`echo $FIND_NET | grep $OCF_RESKEY_router`
                if [ "$FIND_ROUTER" = "" ] ; then
                        return $OCF_NOT_RUNNING
                else
                        return $OCF_SUCCESS
                fi
        fi

}

iproute_validate() {
	exit $OC_ERR_UNIMPLEMENTED
}


case $__OCF_ACTION in
meta-data)	meta_data
		exit $OCF_SUCCESS
		;;
start)		iproute_start
		iproute_exit $?
		;;
stop)		iproute_stop
		iproute_exit $?
		;;
monitor)	iproute_monitor
		iproute_exit $?
		;;
validate-all)	iproute_validate
		iproute_exit $?
		;;
usage|help)	iproute_usage
		exit $OCF_SUCCESS
		;;
*)		iproute_usage
		exit $OCF_ERR_UNIMPLEMENTED
		;;
esac