refactoring of datasealer conf file

manifests/datasealer.pp

 # If the datasealer file is not present, run datasealer_update.pl so it
 # gets created.
 
-class shibb_idp3::datasealer {
+class shibb_idp3::datasealer
+{
 
   # The datasealer_update.pl script is in the stanford-shibbolethidp3-tool
   # package.
@@ -12,7 +13,7 @@ class shibb_idp3::datasealer {
 
   # We need the datasealer master/slave configuration file.
   file { '/etc/shibboleth-idp/dist-datasealer.conf':
-    source  => "puppet:///modules/shibb_idp3/etc/shibboleth-idp/dist-datasealer.conf.${shibb_idp3::env}",
+    content => template('shibb_idp3/etc/shibboleth-idp/dist-datasealer.conf.erb'),
     require => Package['stanford-shibbolethidp3-tools'],
   }
 

manifests/init.pp

 class shibb_idp3(
   $env                = 'uat',
+  $pool_slaves        = [],
+  $pool_master        = undef,
   $ldap_host          = '',
   $mysql_support      = true,
 )
 {
 
+  if (!$pool_master) {
+    fail("missing datasealer pool master")
+  }
+
+  if (size($pool_slaves) == 0) {
+    fail("missing datasealer pool slave array")
+  }
+
   # $pool_fqdn will be the name to refer to the IDP pool and depends on
   # the environment:
   #   prod:  idp.stanford.edu

templates/etc/shibboleth-idp/dist-datasealer.conf.erb

+<%-
+  # This template expects the instance variables $pool_slaves and
+  # $pool_master, both parameters from shibb_idp3::datasealer.
+
+  pool_slaves_l         = scope['shibb_idp3::pool_slaves']
+  pool_slaves_formatted = pool_slaves_l.join(",")
+-%>
+MASTER = <%= scope['shibb_idp3::pool_master'] %>
+SLAVES = <%= pool_slaves_formatted %>