{"ipPrefix": "192.168.0.*", "nodes": [ <% index = 1 -%> <%- @manager_ip.each do |ip| -%> <%- if index == @manager_ip.size -%> { "ip": "<%= ip -%>", "id": "<%= ip -%>", "tcpPort": 9876 } <%- else -%> { "ip": "<%= ip -%>", "id": "<%= ip -%>", "tcpPort": 9876 }, <%- end -%> <%- index = index + 1 -%> <%- end -%> ]}