gistfile1.txt

defmodule Api.Discovery do
  require Logger

  def discover do
    # Attempt to connect to any other outside nodes.
    # This command makes use of the /opt/api/.hosts.erlang file
    hosts_path = Path.expand("/opt/api/.hosts.erlang")

    case File.exists?(hosts_path) do
      true ->
        Logger.info("Attempting to join cluster")
        :net_adm.world(:verbose)
      false ->
        Logger.warn("Couldn't find #{hosts_path} file - not joining cluster")
    end
  end
end