1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Config.TransferTask do
13 @type env() :: :test | :benchmark | :dev | :prod
16 {:pleroma, :hackney_pools},
19 {:pleroma, :rate_limit},
21 {:pleroma, :streamer},
23 {:pleroma, :connections_pool},
27 @reboot_time_subkeys [
28 {:pleroma, Pleroma.Captcha, [:seconds_valid]},
29 {:pleroma, Pleroma.Upload, [:proxy_remote]},
30 {:pleroma, :instance, [:upload_limit]},
31 {:pleroma, :email_notifications, [:digest]},
32 {:pleroma, :oauth2, [:clean_expired_tokens]},
33 {:pleroma, Pleroma.ActivityExpiration, [:enabled]},
34 {:pleroma, Pleroma.ScheduledActivity, [:enabled]},
35 {:pleroma, :gopher, [:enabled]}
38 @reject [nil, :prometheus]
42 if Pleroma.Config.get(:env) == :test, do: Ecto.Adapters.SQL.Sandbox.checkin(Repo)
46 @spec load_and_update_env([ConfigDB.t()]) :: :ok | false
47 def load_and_update_env(deleted \\ [], restart_pleroma? \\ true) do
48 with true <- Pleroma.Config.get(:configurable_from_database),
49 true <- Ecto.Adapters.SQL.table_exists?(Repo, "config"),
50 started_applications <- Application.started_applications() do
51 # We need to restart applications for loaded settings take effect
53 in_db = Repo.all(ConfigDB)
55 with_deleted = in_db ++ deleted
57 reject_for_restart = if restart_pleroma?, do: @reject, else: [:pleroma | @reject]
61 |> Enum.map(&merge_and_update(&1))
63 # TODO: some problem with prometheus after restart!
64 |> Enum.reject(&(&1 in reject_for_restart))
66 # to be ensured that pleroma will be restarted last
68 if :pleroma in applications do
69 List.delete(applications, :pleroma) ++ [:pleroma]
74 Enum.each(applications, &restart(started_applications, &1, Pleroma.Config.get(:env)))
80 defp group_for_restart(:logger, key, _, merged_value) do
81 # change logger configuration in runtime, without restart
82 if Keyword.keyword?(merged_value) and
83 key not in [:compile_time_application, :backends, :compile_time_purge_matching] do
84 Logger.configure_backend(key, merged_value)
86 Logger.configure([{key, merged_value}])
92 defp group_for_restart(:tesla, _, _, _), do: :pleroma
94 defp group_for_restart(group, _, _, _) when group != :pleroma, do: group
96 defp group_for_restart(group, key, value, _) do
97 if pleroma_need_restart?(group, key, value) do
102 defp merge_and_update(setting) do
104 key = ConfigDB.from_string(setting.key)
105 group = ConfigDB.from_string(setting.group)
107 default = Pleroma.Config.Holder.config(group, key)
108 value = ConfigDB.from_binary(setting.value)
111 if Ecto.get_meta(setting, :state) == :deleted do
114 if can_be_merged?(default, value) do
115 ConfigDB.merge_group(group, key, default, value)
121 :ok = update_env(group, key, merged_value)
123 group_for_restart(group, key, value, merged_value)
127 "updating env causes error, group: " <>
128 inspect(setting.group) <>
130 inspect(setting.key) <>
132 inspect(ConfigDB.from_binary(setting.value)) <> " error: " <> inspect(error)
134 Logger.warn(error_msg)
140 @spec pleroma_need_restart?(atom(), atom(), any()) :: boolean()
141 def pleroma_need_restart?(group, key, value) do
142 group_and_key_need_reboot?(group, key) or group_and_subkey_need_reboot?(group, key, value)
145 defp group_and_key_need_reboot?(group, key) do
146 Enum.any?(@reboot_time_keys, fn {g, k} -> g == group and k == key end)
149 defp group_and_subkey_need_reboot?(group, key, value) do
150 Keyword.keyword?(value) and
151 Enum.any?(@reboot_time_subkeys, fn {g, k, subkeys} ->
152 g == group and k == key and
153 Enum.any?(Keyword.keys(value), &(&1 in subkeys))
157 defp update_env(group, key, nil), do: Application.delete_env(group, key)
158 defp update_env(group, key, value), do: Application.put_env(group, key, value)
160 defp restart(_, :pleroma, env), do: Restarter.Pleroma.restart_after_boot(env)
162 defp restart(started_applications, app, _) do
163 with {^app, _, _} <- List.keyfind(started_applications, app, 0),
164 :ok <- Application.stop(app) do
165 :ok = Application.start(app)
168 Logger.warn("#{app} is not started.")
177 defp can_be_merged?(val1, val2) when is_list(val1) and is_list(val2) do
178 Keyword.keyword?(val1) and Keyword.keyword?(val2)
181 defp can_be_merged?(_val1, _val2), do: false