code.rb

  ruby_block 'Server.app' do
    block do
      require 'open3'
      require 'expect'
      # start the servercmd with IO pipes to its input and from its out&error combined
      cmd_in, cmd_out_err, thr = Open3.popen2e(servercmd, "setup")

      # Here's where you use the minimal ruby expect library
      cmd_out_err.expect 'Press Return to view the software license agreement.'
      cmd_in.puts ''

      cmd_out_err.expect '(y/N)'
      cmd_in.puts 'y'

      cmd_out_err.expect 'User name:'
      cmd_in.puts username

      cmd_out_err.expect 'Password:'
      cmd_in.puts user_pw

      cmd_out_err.read

      cmd_in.close
      cmd_out_err.close
    end
    action :run
  end