#!/bin/bash

# THIS IS A DRAFT
# http://refspecs.linux-foundation.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html

function usage {
	echo "${0##*/} <drbd-resource> <start|monitor|stop>"
	exit 1
}

function fail {
	echo $@
	exit 1
}

[[ -z $2 ]] && usage

res=$1
action=$2

drbdadm status $res >/dev/null || fail DRBD resource $res not found

tmp=`drbdadm role $res`

if [[ $action = start ]]; then
	[[ $tmp = Primary ]] && exit 0
	drbdadm primary $res && echo started
elif [[ $action = monitor ]]; then
	[[ $tmp = Primary ]] && echo OK || exit 1
elif [[ $action = stop ]]; then
        [[ $tmp = Secondary ]] && exit 0
        drbdadm secondary $res && echo stopped
	# and check it becomes secondary?
else
	usage
fi