1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Config.TransferTask do
14 @type env() :: :test | :benchmark | :dev | :prod
16 defp reboot_time_keys,
20 {:pleroma, :rate_limit},
25 defp reboot_time_subkeys,
27 {:pleroma, Pleroma.Captcha, [:seconds_valid]},
28 {:pleroma, Pleroma.Upload, [:proxy_remote]},
29 {:pleroma, :instance, [:upload_limit]}
32 def start_link(restart_pleroma? \\ true) do
33 load_and_update_env([], restart_pleroma?)
34 if Config.get(:env) == :test, do: Ecto.Adapters.SQL.Sandbox.checkin(Repo)
38 @spec load_and_update_env([ConfigDB.t()], boolean()) :: :ok
39 def load_and_update_env(deleted_settings \\ [], restart_pleroma? \\ true) do
40 with {_, true} <- {:configurable, Config.get(:configurable_from_database)} do
41 # We need to restart applications for loaded settings take effect
44 (Repo.all(ConfigDB) ++ deleted_settings)
45 |> Enum.map(&merge_with_default/1)
46 |> Enum.split_with(fn {group, _, _, _} -> group in [:logger, :quack] end)
50 |> Enum.each(&configure/1)
52 started_applications = Application.started_applications()
54 # TODO: some problem with prometheus after restart!
55 reject = [nil, :prometheus, :postgrex]
58 if restart_pleroma? do
65 |> Enum.map(&update/1)
67 |> Enum.reject(&(&1 in reject))
68 |> maybe_set_pleroma_last()
69 |> Enum.each(&restart(started_applications, &1, Config.get(:env)))
73 {:configurable, false} -> Restarter.Pleroma.rebooted()
77 defp maybe_set_pleroma_last(apps) do
78 # to be ensured that pleroma will be restarted last
79 if :pleroma in apps do
81 |> List.delete(:pleroma)
82 |> List.insert_at(-1, :pleroma)
84 Restarter.Pleroma.rebooted()
89 defp merge_with_default(%{group: group, key: key, value: value} = setting) do
90 default = Config.Holder.default_config(group, key)
94 Ecto.get_meta(setting, :state) == :deleted -> default
95 can_be_merged?(default, value) -> ConfigDB.merge_group(group, key, default, value)
99 {group, key, value, merged}
102 # change logger configuration in runtime, without restart
103 defp configure({:quack, key, _, merged}) do
104 Logger.configure_backend(Quack.Logger, [{key, merged}])
105 :ok = update_env(:quack, key, merged)
108 defp configure({_, :backends, _, merged}) do
109 # removing current backends
110 Enum.each(Application.get_env(:logger, :backends), &Logger.remove_backend/1)
112 Enum.each(merged, &Logger.add_backend/1)
114 :ok = update_env(:logger, :backends, merged)
117 defp configure({_, key, _, merged}) when key in [:console, :ex_syslogger] do
119 if key == :console do
120 put_in(merged[:format], merged[:format] <> "\n")
126 if key == :ex_syslogger,
127 do: {ExSyslogger, :ex_syslogger},
130 Logger.configure_backend(backend, merged)
131 :ok = update_env(:logger, key, merged)
134 defp configure({_, key, _, merged}) do
135 Logger.configure([{key, merged}])
136 :ok = update_env(:logger, key, merged)
139 defp update({group, key, value, merged}) do
141 :ok = update_env(group, key, merged)
143 if group != :pleroma or pleroma_need_restart?(group, key, value), do: group
147 "updating env causes error, group: #{inspect(group)}, key: #{inspect(key)}, value: #{inspect(value)} error: #{inspect(error)}"
149 Logger.warn(error_msg)
155 defp update_env(group, key, nil), do: Application.delete_env(group, key)
156 defp update_env(group, key, value), do: Application.put_env(group, key, value)
158 @spec pleroma_need_restart?(atom(), atom(), any()) :: boolean()
159 def pleroma_need_restart?(group, key, value) do
160 group_and_key_need_reboot?(group, key) or group_and_subkey_need_reboot?(group, key, value)
163 defp group_and_key_need_reboot?(group, key) do
164 Enum.any?(reboot_time_keys(), fn {g, k} -> g == group and k == key end)
167 defp group_and_subkey_need_reboot?(group, key, value) do
168 Keyword.keyword?(value) and
169 Enum.any?(reboot_time_subkeys(), fn {g, k, subkeys} ->
170 g == group and k == key and
171 Enum.any?(Keyword.keys(value), &(&1 in subkeys))
175 defp restart(_, :pleroma, env), do: Restarter.Pleroma.restart_after_boot(env)
177 defp restart(started_applications, app, _) do
178 with {^app, _, _} <- List.keyfind(started_applications, app, 0),
179 :ok <- Application.stop(app) do
180 :ok = Application.start(app)
183 Logger.warn("#{app} is not started.")
192 defp can_be_merged?(val1, val2) when is_list(val1) and is_list(val2) do
193 Keyword.keyword?(val1) and Keyword.keyword?(val2)
196 defp can_be_merged?(_val1, _val2), do: false