Handle munin_allow and nagios_allow variables as arrays

munin/manifests/init.pp

@@ -3,11 +3,18 @@
 #
 # === Global variables
 #
+#   $munin_allow:
+#       Array of IP addresses allowed to connect to munin-node.
+#
 #   $munin_tls:
 #       Enable and require TLS if set to "true".
 #
 class munin::node {
 
+    if !$munin_allow {
+        $munin_allow = [ "127.0.0.1" ]
+    }
+
     package { "munin-node":
         ensure => installed,
     }