puppet-fluentd/templates/filter.erb

<filter <%= @pattern %>>
<% @config.each do |key, val| -%>
  <%- if val.is_a?( Hash ) -%>
  <<%= key -%>>
  <%- val.each do |key2, val2| -%>
    <%= key2 -%> <%= val2 %>
  <%- end -%>
  </<%= key %>>
  <%- else -%>
  <%= key -%> <%= val %>
  <%- end -%>
<% end -%>
</filter>