migration and warning for RemoteIp plug rename

priv/repo/migrations/20200919182636_remoteip_plug_rename.exs

@@ -0,0 +1,19 @@
+defmodule Pleroma.Repo.Migrations.RemoteipPlugRename do
+  use Ecto.Migration
+
+  import Ecto.Query
+
+  def up do
+    config =
+      from(c in Pleroma.ConfigDB, where: c.group == ^:pleroma and c.key == ^Pleroma.Plugs.RemoteIp)
+      |> Pleroma.Repo.one()
+
+    if config do
+      config
+      |> Ecto.Changeset.change(key: Pleroma.Web.Plugs.RemoteIp)
+      |> Pleroma.Repo.update()
+    end
+  end
+
+  def down, do: :ok
+end