-define site::sysctl ($key, $value, $target=Linux, $ensure = present) {
+define site::sysctl ($key='', $value='', $target=Linux, $ensure = present) {
include site
case $ensure {
- present: {}
+ present: { if ($key == "" or $value == "") { fail ( "Need to provide key and value" )} }
absent: {}
default: { fail ( "Unknown ensure value: '$ensure'" ) }
}