From 3a8420b141c5186a02be702b59a3799ff65cf4f8 Mon Sep 17 00:00:00 2001
From: Mark Felder <feld@feld.me>
Date: Wed, 19 Jun 2024 14:29:44 -0400
Subject: [PATCH] Remove remaining vestiges of Logger support in
 ConfigDB/TransferTask

---
 lib/pleroma/config/transfer_task.ex           | 52 +------------------
 lib/pleroma/config_db.ex                      |  3 +-
 .../controllers/config_controller_test.exs    | 46 ----------------
 3 files changed, 3 insertions(+), 98 deletions(-)

diff --git a/lib/pleroma/config/transfer_task.ex b/lib/pleroma/config/transfer_task.ex
index 1210e2c9d..ffc95f144 100644
--- a/lib/pleroma/config/transfer_task.ex
+++ b/lib/pleroma/config/transfer_task.ex
@@ -13,13 +13,6 @@ defmodule Pleroma.Config.TransferTask do
 
   @type env() :: :test | :benchmark | :dev | :prod
 
-  @add_backend if Version.match?(System.version(), "< 1.15.0-rc.0"),
-                 do: &Logger.add_backend/1,
-                 else: &LoggerBackends.add/1
-  @remove_backend if Version.match?(System.version(), "< 1.15.0-rc.0"),
-                    do: &Logger.remove_backend/1,
-                    else: &LoggerBackends.remove/1
-
   defp reboot_time_keys,
     do: [
       {:pleroma, :hackney_pools},
@@ -51,14 +44,9 @@ defmodule Pleroma.Config.TransferTask do
     with {_, true} <- {:configurable, Config.get(:configurable_from_database)} do
       # We need to restart applications for loaded settings take effect
 
-      {logger, other} =
+      settings =
         (Repo.all(ConfigDB) ++ deleted_settings)
         |> Enum.map(&merge_with_default/1)
-        |> Enum.split_with(fn {group, _, _, _} -> group in [:logger] end)
-
-      logger
-      |> Enum.sort()
-      |> Enum.each(&configure/1)
 
       started_applications = Application.started_applications()
 
@@ -71,7 +59,7 @@ defmodule Pleroma.Config.TransferTask do
           [:pleroma | reject]
         end
 
-      other
+      settings
       |> Enum.map(&update/1)
       |> Enum.uniq()
       |> Enum.reject(&(&1 in reject))
@@ -109,42 +97,6 @@ defmodule Pleroma.Config.TransferTask do
     {group, key, value, merged}
   end
 
-  # change logger configuration in runtime, without restart
-  defp configure({_, :backends, _, merged}) do
-    # removing current backends
-    Enum.each(Application.get_env(:logger, :backends), @remove_backend)
-
-    Enum.each(merged, @add_backend)
-
-    :ok = update_env(:logger, :backends, merged)
-  end
-
-  defp configure({_, key, _, merged})
-       when key in [:console, Logger.Backends.Console, :ex_syslogger] do
-    backend =
-      case key do
-        :ex_syslogger -> {ExSyslogger, :ex_syslogger}
-        :console -> Logger.Backends.Console
-        Logger.Backends.Console -> Logger.Backends.Console
-        key -> key
-      end
-
-    merged =
-      if backend == Logger.Backends.Console do
-        put_in(merged[:format], merged[:format] <> "\n")
-      else
-        merged
-      end
-
-    Logger.configure_backend(backend, merged)
-    :ok = update_env(:logger, key, merged)
-  end
-
-  defp configure({_, key, _, merged}) do
-    Logger.configure([{key, merged}])
-    :ok = update_env(:logger, key, merged)
-  end
-
   defp update({group, key, value, merged}) do
     try do
       :ok = update_env(group, key, merged)
diff --git a/lib/pleroma/config_db.ex b/lib/pleroma/config_db.ex
index b605d2843..89d3050d6 100644
--- a/lib/pleroma/config_db.ex
+++ b/lib/pleroma/config_db.ex
@@ -165,8 +165,7 @@ defmodule Pleroma.ConfigDB do
       {:pleroma, :ecto_repos},
       {:mime, :types},
       {:cors_plug, [:max_age, :methods, :expose, :headers]},
-      {:swarm, :node_blacklist},
-      {:logger, :backends}
+      {:swarm, :node_blacklist}
     ]
 
     Enum.any?(full_key_update, fn
diff --git a/test/pleroma/web/admin_api/controllers/config_controller_test.exs b/test/pleroma/web/admin_api/controllers/config_controller_test.exs
index 7b65600de..dc12155f5 100644
--- a/test/pleroma/web/admin_api/controllers/config_controller_test.exs
+++ b/test/pleroma/web/admin_api/controllers/config_controller_test.exs
@@ -609,52 +609,6 @@ defmodule Pleroma.Web.AdminAPI.ConfigControllerTest do
              ]
     end
 
-    test "saving full setting if value is in full_key_update list", %{conn: conn} do
-      backends = Application.get_env(:logger, :backends)
-      on_exit(fn -> Application.put_env(:logger, :backends, backends) end)
-
-      insert(:config,
-        group: :logger,
-        key: :backends,
-        value: []
-      )
-
-      Pleroma.Config.TransferTask.load_and_update_env([], false)
-
-      assert Application.get_env(:logger, :backends) == []
-
-      conn =
-        conn
-        |> put_req_header("content-type", "application/json")
-        |> post("/api/pleroma/admin/config", %{
-          configs: [
-            %{
-              group: ":logger",
-              key: ":backends",
-              value: [":console"]
-            }
-          ]
-        })
-
-      assert json_response_and_validate_schema(conn, 200) == %{
-               "configs" => [
-                 %{
-                   "group" => ":logger",
-                   "key" => ":backends",
-                   "value" => [
-                     ":console"
-                   ],
-                   "db" => [":backends"]
-                 }
-               ],
-               "need_reboot" => false
-             }
-
-      assert Application.get_env(:logger, :backends) == [
-               :console
-             ]
-    end
-
     test "saving full setting if value is not keyword", %{conn: conn} do
       insert(:config,
         group: :tesla,