[ {rabbit, [ <% if @cluster -%> {cluster_nodes, ['<%= @clustermembers.to_a.flatten.join("', '") %>']}, {tcp_listen_options, [binary, {packet, raw}, {reuseaddr, true}, {backlog, 128}, {nodelay, true}, {exit_on_close, false}, {keepalive, true}]} <% end -%>