1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2019 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},
24 @reboot_time_subkeys [
25 {:pleroma, Pleroma.Captcha, [:seconds_valid]},
26 {:pleroma, Pleroma.Upload, [:proxy_remote]},
27 {:pleroma, :instance, [:upload_limit]},
28 {:pleroma, :email_notifications, [:digest]},
29 {:pleroma, :oauth2, [:clean_expired_tokens]},
30 {:pleroma, Pleroma.ActivityExpiration, [:enabled]},
31 {:pleroma, Pleroma.ScheduledActivity, [:enabled]},
32 {:pleroma, :gopher, [:enabled]}
35 @reject [nil, :prometheus]
39 if Pleroma.Config.get(:env) == :test, do: Ecto.Adapters.SQL.Sandbox.checkin(Repo)
43 @spec load_and_update_env([ConfigDB.t()]) :: :ok | false
44 def load_and_update_env(deleted \\ [], restart_pleroma? \\ true) do
45 with true <- Pleroma.Config.get(:configurable_from_database),
46 true <- Ecto.Adapters.SQL.table_exists?(Repo, "config"),
47 started_applications <- Application.started_applications() do
48 # We need to restart applications for loaded settings take effect
50 in_db = Repo.all(ConfigDB)
52 with_deleted = in_db ++ deleted
54 reject_for_restart = if restart_pleroma?, do: @reject, else: [:pleroma | @reject]
58 |> Enum.map(&merge_and_update(&1))
60 # TODO: some problem with prometheus after restart!
61 |> Enum.reject(&(&1 in reject_for_restart))
63 # to be ensured that pleroma will be restarted last
65 if :pleroma in applications do
66 List.delete(applications, :pleroma) ++ [:pleroma]
71 Enum.each(applications, &restart(started_applications, &1, Pleroma.Config.get(:env)))
77 defp merge_and_update(setting) do
79 key = ConfigDB.from_string(setting.key)
80 group = ConfigDB.from_string(setting.group)
82 default = Pleroma.Config.Holder.config(group, key)
83 value = ConfigDB.from_binary(setting.value)
86 if Ecto.get_meta(setting, :state) == :deleted do
89 if can_be_merged?(default, value) do
90 ConfigDB.merge_group(group, key, default, value)
96 :ok = update_env(group, key, merged_value)
98 if group != :logger do
99 if group != :pleroma or pleroma_need_restart?(group, key, value) do
103 # change logger configuration in runtime, without restart
104 if Keyword.keyword?(merged_value) and
105 key not in [:compile_time_application, :backends, :compile_time_purge_matching] do
106 Logger.configure_backend(key, merged_value)
108 Logger.configure([{key, merged_value}])
116 "updating env causes error, group: " <>
117 inspect(setting.group) <>
119 inspect(setting.key) <>
121 inspect(ConfigDB.from_binary(setting.value)) <> " error: " <> inspect(error)
123 Logger.warn(error_msg)
129 @spec pleroma_need_restart?(atom(), atom(), any()) :: boolean()
130 def pleroma_need_restart?(group, key, value) do
131 group_and_key_need_reboot?(group, key) or group_and_subkey_need_reboot?(group, key, value)
134 defp group_and_key_need_reboot?(group, key) do
135 Enum.any?(@reboot_time_keys, fn {g, k} -> g == group and k == key end)
138 defp group_and_subkey_need_reboot?(group, key, value) do
139 Keyword.keyword?(value) and
140 Enum.any?(@reboot_time_subkeys, fn {g, k, subkeys} ->
141 g == group and k == key and
142 Enum.any?(Keyword.keys(value), &(&1 in subkeys))
146 defp update_env(group, key, nil), do: Application.delete_env(group, key)
147 defp update_env(group, key, value), do: Application.put_env(group, key, value)
149 defp restart(_, :pleroma, :test), do: Logger.warn("pleroma restarted")
151 defp restart(_, :pleroma, _), do: send(Restarter.Pleroma, :after_boot)
153 defp restart(started_applications, app, _) do
154 with {^app, _, _} <- List.keyfind(started_applications, app, 0),
155 :ok <- Application.stop(app) do
156 :ok = Application.start(app)
159 Logger.warn("#{app} is not started.")
168 defp can_be_merged?(val1, val2) when is_list(val1) and is_list(val2) do
169 Keyword.keyword?(val1) and Keyword.keyword?(val2)
172 defp can_be_merged?(_val1, _val2), do: false