Log error rather than exploding unhelpfully

diff --git a/modules/puppetmaster/lib/puppet/parser/functions/has_role.rb b/modules/puppetmaster/lib/puppet/parser/functions/has_role.rb
index a8f9fd3..64633ce 100644 (file)
--- a/modules/puppetmaster/lib/puppet/parser/functions/has_role.rb
+++ b/modules/puppetmaster/lib/puppet/parser/functions/has_role.rb
@@ -4,6 +4,10 @@ module Puppet::Parser::Functions
       role = args.shift
       roles = lookupvar('site::roles')
       fqdn = lookupvar('fqdn')
+      if not roles.include?(role)
+        error "Failed to look up missing role #{role}"
+        return False
+      end
       return roles[role].include?(fqdn)
     end
   end