1 files changed, 94 insertions, 0 deletions
diff --git a/restarter/lib/pleroma.ex b/restarter/lib/pleroma.ex
new file mode 100644
index 000000000..7f08c637c
--- /dev/null
+++ b/restarter/lib/pleroma.ex
@@ -0,0 +1,94 @@
+defmodule Restarter.Pleroma do
+  use GenServer
+
+  require Logger
+
+  @init_state %{need_reboot: false, rebooted: false, after_boot: false}
+
+  def start_link(_) do
+    GenServer.start_link(__MODULE__, [], name: __MODULE__)
+  end
+
+  def init(_), do: {:ok, @init_state}
+
+  def rebooted? do
+    GenServer.call(__MODULE__, :rebooted?)
+  end
+
+  def rebooted do
+    GenServer.cast(__MODULE__, :rebooted)
+  end
+
+  def need_reboot? do
+    GenServer.call(__MODULE__, :need_reboot?)
+  end
+
+  def need_reboot do
+    GenServer.cast(__MODULE__, :need_reboot)
+  end
+
+  def refresh do
+    GenServer.cast(__MODULE__, :refresh)
+  end
+
+  def restart(env, delay) do
+    GenServer.cast(__MODULE__, {:restart, env, delay})
+  end
+
+  def restart_after_boot(env) do
+    GenServer.cast(__MODULE__, {:after_boot, env})
+  end
+
+  def handle_call(:rebooted?, _from, state) do
+    {:reply, state[:rebooted], state}
+  end
+
+  def handle_call(:need_reboot?, _from, state) do
+    {:reply, state[:need_reboot], state}
+  end
+
+  def handle_cast(:rebooted, state) do
+    {:noreply, Map.put(state, :rebooted, true)}
+  end
+
+  def handle_cast(:need_reboot, %{need_reboot: true} = state), do: {:noreply, state}
+
+  def handle_cast(:need_reboot, state) do
+    {:noreply, Map.put(state, :need_reboot, true)}
+  end
+
+  def handle_cast(:refresh, _state) do
+    {:noreply, @init_state}
+  end
+
+  def handle_cast({:restart, :test, _}, state) do
+    Logger.warn("pleroma restarted")
+    {:noreply, Map.put(state, :need_reboot, false)}
+  end
+
+  def handle_cast({:restart, _, delay}, state) do
+    Process.sleep(delay)
+    do_restart(:pleroma)
+    {:noreply, Map.put(state, :need_reboot, false)}
+  end
+
+  def handle_cast({:after_boot, _}, %{after_boot: true} = state), do: {:noreply, state}
+
+  def handle_cast({:after_boot, :test}, state) do
+    Logger.warn("pleroma restarted")
+    state = %{state | after_boot: true, rebooted: true}
+    {:noreply, state}
+  end
+
+  def handle_cast({:after_boot, _}, state) do
+    do_restart(:pleroma)
+    state = %{state | after_boot: true, rebooted: true}
+    {:noreply, state}
+  end
+
+  defp do_restart(app) do
+    :ok = Application.ensure_started(app)
+    :ok = Application.stop(app)
+    :ok = Application.start(app)
+  end
+end