cookbooks/mu-master/templates/default/dhclient-eth0.conf.erb
interface "eth0" {
# <%= @search_domains.join(", ") %>
<% if @search_domains.size > 0 %>
supersede domain-search <%= @search_domains.map{|dom| dom = '"'+dom+'"' }.join(", ") %>;
<% end %>
<% if node['ad']['dc_ips'].size > 0 %>
prepend domain-name-servers <%= node['ad']['dc_ips'].join(", ") %>;
<% end rescue NoMethodError %>
}