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,
19 {:pleroma, :rate_limit},
24 defp reboot_time_subkeys,
26 {:pleroma, Pleroma.Captcha, [:seconds_valid]},
27 {:pleroma, Pleroma.Upload, [:proxy_remote]},
28 {:pleroma, :instance, [:upload_limit]}
31 def start_link(restart_pleroma? \\ true) do
32 load_and_update_env([], restart_pleroma?)
33 if Config.get(:env) == :test, do: Ecto.Adapters.SQL.Sandbox.checkin(Repo)
37 @spec load_and_update_env([ConfigDB.t()], boolean()) :: :ok
38 def load_and_update_env(deleted_settings \\ [], restart_pleroma? \\ true) do
39 with {_, true} <- {:configurable, Config.get(:configurable_from_database)} do
40 # We need to restart applications for loaded settings take effect
43 (Repo.all(ConfigDB) ++ deleted_settings)
44 |> Enum.map(&merge_with_default/1)
45 |> Enum.split_with(fn {group, _, _, _} -> group in [:logger, :quack] end)
49 |> Enum.each(&configure/1)
51 started_applications = Application.started_applications()
53 reject = [nil, :postgrex]
56 if restart_pleroma? do
63 |> Enum.map(&update/1)
65 |> Enum.reject(&(&1 in reject))
66 |> maybe_set_pleroma_last()
67 |> Enum.each(&restart(started_applications, &1, Config.get(:env)))
71 {:configurable, false} -> Restarter.Pleroma.rebooted()
75 defp maybe_set_pleroma_last(apps) do
76 # to be ensured that pleroma will be restarted last
77 if :pleroma in apps do
79 |> List.delete(:pleroma)
80 |> List.insert_at(-1, :pleroma)
82 Restarter.Pleroma.rebooted()
87 defp merge_with_default(%{group: group, key: key, value: value} = setting) do
88 default = Config.Holder.default_config(group, key)
92 Ecto.get_meta(setting, :state) == :deleted -> default
93 can_be_merged?(default, value) -> ConfigDB.merge_group(group, key, default, value)
97 {group, key, value, merged}
100 # change logger configuration in runtime, without restart
101 defp configure({:quack, key, _, merged}) do
102 Logger.configure_backend(Quack.Logger, [{key, merged}])
103 :ok = update_env(:quack, key, merged)
106 defp configure({_, :backends, _, merged}) do
107 # removing current backends
108 Enum.each(Application.get_env(:logger, :backends), &Logger.remove_backend/1)
110 Enum.each(merged, &Logger.add_backend/1)
112 :ok = update_env(:logger, :backends, merged)
115 defp configure({_, key, _, merged}) when key in [:console, :ex_syslogger] do
117 if key == :console do
118 put_in(merged[:format], merged[:format] <> "\n")
124 if key == :ex_syslogger,
125 do: {ExSyslogger, :ex_syslogger},
128 Logger.configure_backend(backend, merged)
129 :ok = update_env(:logger, key, merged)
132 defp configure({_, key, _, merged}) do
133 Logger.configure([{key, merged}])
134 :ok = update_env(:logger, key, merged)
137 defp update({group, key, value, merged}) do
139 :ok = update_env(group, key, merged)
141 if group != :pleroma or pleroma_need_restart?(group, key, value), do: group
145 "updating env causes error, group: #{inspect(group)}, key: #{inspect(key)}, value: #{inspect(value)} error: #{inspect(error)}"
147 Logger.warn(error_msg)
153 defp update_env(group, key, nil), do: Application.delete_env(group, key)
154 defp update_env(group, key, value), do: Application.put_env(group, key, value)
156 @spec pleroma_need_restart?(atom(), atom(), any()) :: boolean()
157 def pleroma_need_restart?(group, key, value) do
158 group_and_key_need_reboot?(group, key) or group_and_subkey_need_reboot?(group, key, value)
161 defp group_and_key_need_reboot?(group, key) do
162 Enum.any?(reboot_time_keys(), fn {g, k} -> g == group and k == key end)
165 defp group_and_subkey_need_reboot?(group, key, value) do
166 Keyword.keyword?(value) and
167 Enum.any?(reboot_time_subkeys(), fn {g, k, subkeys} ->
168 g == group and k == key and
169 Enum.any?(Keyword.keys(value), &(&1 in subkeys))
173 defp restart(_, :pleroma, env), do: Restarter.Pleroma.restart_after_boot(env)
175 defp restart(started_applications, app, _) do
176 with {^app, _, _} <- List.keyfind(started_applications, app, 0),
177 :ok <- Application.stop(app) do
178 :ok = Application.start(app)
181 Logger.warn("#{app} is not started.")
190 defp can_be_merged?(val1, val2) when is_list(val1) and is_list(val2) do
191 Keyword.keyword?(val1) and Keyword.keyword?(val2)
194 defp can_be_merged?(_val1, _val2), do: false