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Easy deployment for Elixir apps

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deli lib deli controllers systemctl.ex
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lib/deli/controllers/systemctl.ex 

defmodule Deli.Controllers.Systemctl do

  import Deli.Shell



  @behaviour Deli.Starter

  @behaviour Deli.Checker



  @impl Deli.Starter

  def restart_host(app, _target, host) do

    id = "#{app}@#{host}"

    IO.puts("restarting #{id}")

    cmd("ssh #{id} 'sudo systemctl restart #{app}'")

    IO.puts("restarted #{id}")

  end



  @impl Deli.Checker

  def check_service_status(app, host) do

    id = "#{app}@#{host}"

    status = "ssh #{id} 'systemctl status #{app}'" |> cmd_result



    if status =~ ~r/Active\: active \(running\)/ do

      IO.puts([IO.ANSI.green(), "running #{id}", IO.ANSI.reset()])

      true

    else

      IO.puts([IO.ANSI.red(), "not running #{id}", IO.ANSI.reset()])

      IO.puts(status)

      false

    end

  end

end