we care about the first element of the array

diff --git a/modules/postgres/manifests/cluster/hba_entry.pp b/modules/postgres/manifests/cluster/hba_entry.pp
index 2b6ff62..b708fa9 100644 (file)
--- a/modules/postgres/manifests/cluster/hba_entry.pp
+++ b/modules/postgres/manifests/cluster/hba_entry.pp
@@ -43,17 +43,19 @@ define postgres::cluster::hba_entry (
     if $filtered.length != 1 {
       fail("Did not find exactly one cluster with port ${pg_port}")
     }
+    $cluster = $filtered[0]
   } elsif $pg_cluster and $pg_version {
     $filtered = $clusters.filter |$cluster| { $cluster['version'] == $pg_version and $cluster['cluster'] == $pg_cluster}
     if $filtered.length != 1 {
       fail("Did not find exactly one cluster ${pg_version}/${pg_cluster}")
     }
+    $cluster = $filtered[0]
   } else {
     fail('postgres::cluster::hba_entry needs either the port of both a pg version and cluster name')
   }
-  $real_port    = $filtered['port']
-  $real_version = $filtered['version']
-  $real_cluster = $filtered['cluster']
+  $real_port    = $cluster['port']
+  $real_version = $cluster['version']
+  $real_cluster = $cluster['cluster']
   if $pg_version and $pg_version != $real_version {
     fail("Inconsisten cluster version information: ${pg_version} != ${real_version}")
   }