add param $devicescan_options to class smartd

used to pass arguments to the DEVICESCAN directive in smartd configuration file

manifests/defaults.pp

@@ -8,6 +8,7 @@
   $mail_to      = 'root'
   $schedule     = 'daily'	# other choices: once, diminishing
   $enable_monit = false
+  $devicescan_options = false
 
   case $::osfamily {
     'FreeBSD': {

manifests/init.pp

@@ -9,6 +9,7 @@
               $mail_to      = $smartd::defaults::mail_to,
               $schedule     = $smartd::defaults::schedule,
               $enable_monit = $smartd::defaults::enable_monit,
+              $devicescan_options = $smartd::defaults::devicescan_options,
              ) inherits smartd::defaults {
   case $ensure {
     'present': {

templates/smartd.conf

@@ -1,7 +1,7 @@
 # Managed by Puppet -- do not edit!
 DEFAULT -m <%= @mail_to %> -M <%= @schedule %>
 <% if @scan -%>
-DEVICESCAN
+DEVICESCAN <% if @devicescan_options %><%= @devicescan_options %><% end %>
 <% end -%>
 <% @devices.each do |device| -%>
 <%= device -%>