#!/usr/local/bin/bash

TEMP=`/usr/local/bin/getopt -o qDGQVN:U:v:i:l:r: --long version,help,resource:,node:,uname:,attr-value:,id:,update:,delete-attr,get-value,attr-id:,lifetime:,quiet \
     -n 'crm_master' -- "$@"`

if [ $? != 0 ] ; then echo "crm_master - A convenience wrapper for crm_attribute"; echo ""; crm_attribute -?; exit 1 ; fi

# Note the quotes around `$TEMP': they are essential!
eval set -- "$TEMP"

# Explicitly set the (usual default) lifetime, so the attribute gets set as a
# node attribute and not a cluster property.
options="--lifetime forever"

while true ; do
	case "$1" in
	    -N|--node|-U|--uname) options="$options $1 $2"; shift; shift;;
	    -v|--attr-value|--update|-i|--id|--attr-id|-l|--lifetime) options="$options $1 $2"; shift; shift;;
	    -Q|-q|--quiet|-D|--delete-attr|-G|--get-value|-V) options="$options $1"; shift;;
	    -r|--resource) OCF_RESOURCE_INSTANCE=$2; shift; shift;;
	    --version) crm_attribute --version; exit 0;;
	    --help) 
		echo "crm_master - A convenience wrapper for crm_attribute"; 
		echo ""; 
		echo "Set, update or delete a resource's promotion score"; 
		echo "";
		echo "This program should normally only be invoked from inside an OCF resource agent"
		echo ""; 
		echo "Usage: crm_master command [options]"; 
		echo "Options:"
		echo " --help 		This text"
		echo " --version 		Version information"
		echo " -V, --verbose 		Increase debug output"
		echo " -q, --quiet 		Print only the value on stdout"
		echo ""
		echo "Commands:"
		echo " -G, --query 		Query the current value of the attribute/option"
		echo " -v, --update=value	Update the value of the attribute/option"
		echo " -D, --delete 		Delete the attribute/option"
		echo ""
		echo "Additional Options:"
		echo " -N, --node=value	Set an attribute for the named node (instead of the current one)."
		echo " -l, --lifetime=value	Until when should the setting take affect."
		echo "	       		Valid values: reboot, forever"
		echo " -i, --id=value		(Advanced) The ID used to identify the attribute"
		exit 0;;
	    --) shift ; break ;;
	    *) echo "Unknown option: $1. See --help for details." exit 1;;
	esac
done

if [ -z "$OCF_RESOURCE_INSTANCE" ]; then
    echo "This program should normally only be invoked from inside an OCF resource agent"
    echo "To set the promotion/master score from the command line, please specify a resource ID with -r" 
    exit 1
fi

crm_attribute -n master-$OCF_RESOURCE_INSTANCE $options