chef/cookbooks/apache2/templates/default/mods/authopenid.load.erb
<% case node[:platform_family] -%>
<% when "arch" -%>
LoadModule authopenid_module /usr/lib/httpd/modules/mod_auth_openid.so
<% else -%>
LoadModule authopenid_module /usr/lib/apache2/modules/mod_auth_openid.so
<% end -%>