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programmatic node startup in elixir
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| defmodule ExDistUtils do | |
| def start_distributed(appname) do | |
| unless Node.alive?() do | |
| local_node_name = generate_name(appname) | |
| {:ok, _} = Node.start(local_node_name) | |
| end | |
| cookie = Application.get_env(appname, :cookie) | |
| Node.set_cookie(cookie) | |
| end | |
| defp generate_name(appname) do | |
| machine = Application.get_env(appname, :machine, "localhost") | |
| hex = :erlang.monotonic_time() |> | |
| :erlang.phash2(256) |> | |
| Integer.to_string(16) | |
| String.to_atom("#{appname}-#{hex}@#{machine}") | |
| end | |
| end |
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