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,
18 {:pleroma, :hackney_pools},
21 {:pleroma, :rate_limit},
23 {:pleroma, :streamer},
25 {:pleroma, :connections_pool}
28 defp reboot_time_subkeys,
30 {:pleroma, Pleroma.Captcha, [:seconds_valid]},
31 {:pleroma, Pleroma.Upload, [:proxy_remote]},
32 {:pleroma, :instance, [:upload_limit]}
35 def start_link(restart_pleroma? \\ true) do
36 load_and_update_env([], restart_pleroma?)
37 if Config.get(:env) == :test, do: Ecto.Adapters.SQL.Sandbox.checkin(Repo)
41 @spec load_and_update_env([ConfigDB.t()], boolean()) :: :ok
42 def load_and_update_env(deleted_settings \\ [], restart_pleroma? \\ true) do
43 with {_, true} <- {:configurable, Config.get(:configurable_from_database)} do
44 # We need to restart applications for loaded settings take effect
47 (Repo.all(ConfigDB) ++ deleted_settings)
48 |> Enum.map(&merge_with_default/1)
49 |> Enum.split_with(fn {group, _, _, _} -> group in [:logger, :quack] end)
53 |> Enum.each(&configure/1)
55 started_applications = Application.started_applications()
57 # TODO: some problem with prometheus after restart!
58 reject = [nil, :prometheus, :postgrex]
61 if restart_pleroma? do
68 |> Enum.map(&update/1)
70 |> Enum.reject(&(&1 in reject))
71 |> maybe_set_pleroma_last()
72 |> Enum.each(&restart(started_applications, &1, Config.get(:env)))
76 {:configurable, false} -> Restarter.Pleroma.rebooted()
80 defp maybe_set_pleroma_last(apps) do
81 # to be ensured that pleroma will be restarted last
82 if :pleroma in apps do
84 |> List.delete(:pleroma)
85 |> List.insert_at(-1, :pleroma)
87 Restarter.Pleroma.rebooted()
92 defp merge_with_default(%{group: group, key: key, value: value} = setting) do
93 default = Config.Holder.default_config(group, key)
97 Ecto.get_meta(setting, :state) == :deleted -> default
98 can_be_merged?(default, value) -> ConfigDB.merge_group(group, key, default, value)
102 {group, key, value, merged}
105 # change logger configuration in runtime, without restart
106 defp configure({:quack, key, _, merged}) do
107 Logger.configure_backend(Quack.Logger, [{key, merged}])
108 :ok = update_env(:quack, key, merged)
111 defp configure({_, :backends, _, merged}) do
112 # removing current backends
113 Enum.each(Application.get_env(:logger, :backends), &Logger.remove_backend/1)
115 Enum.each(merged, &Logger.add_backend/1)
117 :ok = update_env(:logger, :backends, merged)
120 defp configure({_, key, _, merged}) when key in [:console, :ex_syslogger] do
122 if key == :console do
123 put_in(merged[:format], merged[:format] <> "\n")
129 if key == :ex_syslogger,
130 do: {ExSyslogger, :ex_syslogger},
133 Logger.configure_backend(backend, merged)
134 :ok = update_env(:logger, key, merged)
137 defp configure({_, key, _, merged}) do
138 Logger.configure([{key, merged}])
139 :ok = update_env(:logger, key, merged)
142 defp update({group, key, value, merged}) do
144 :ok = update_env(group, key, merged)
146 if group != :pleroma or pleroma_need_restart?(group, key, value), do: group
150 "updating env causes error, group: #{inspect(group)}, key: #{inspect(key)}, value: #{inspect(value)} error: #{inspect(error)}"
152 Logger.warn(error_msg)
158 defp update_env(group, key, nil), do: Application.delete_env(group, key)
159 defp update_env(group, key, value), do: Application.put_env(group, key, value)
161 @spec pleroma_need_restart?(atom(), atom(), any()) :: boolean()
162 def pleroma_need_restart?(group, key, value) do
163 group_and_key_need_reboot?(group, key) or group_and_subkey_need_reboot?(group, key, value)
166 defp group_and_key_need_reboot?(group, key) do
167 Enum.any?(reboot_time_keys(), fn {g, k} -> g == group and k == key end)
170 defp group_and_subkey_need_reboot?(group, key, value) do
171 Keyword.keyword?(value) and
172 Enum.any?(reboot_time_subkeys(), fn {g, k, subkeys} ->
173 g == group and k == key and
174 Enum.any?(Keyword.keys(value), &(&1 in subkeys))
178 defp restart(_, :pleroma, env), do: Restarter.Pleroma.restart_after_boot(env)
180 defp restart(started_applications, app, _) do
181 with {^app, _, _} <- List.keyfind(started_applications, app, 0),
182 :ok <- Application.stop(app) do
183 :ok = Application.start(app)
186 Logger.warn("#{app} is not started.")
195 defp can_be_merged?(val1, val2) when is_list(val1) and is_list(val2) do
196 Keyword.keyword?(val1) and Keyword.keyword?(val2)
199 defp can_be_merged?(_val1, _val2), do: false