# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Config.TransferTask do
use Task
- alias Pleroma.Web.AdminAPI.Config
- def start_link(_) do
- load_and_update_env()
- if Pleroma.Config.get(:env) == :test, do: Ecto.Adapters.SQL.Sandbox.checkin(Pleroma.Repo)
+ alias Pleroma.Config
+ alias Pleroma.ConfigDB
+ alias Pleroma.Repo
+
+ require Logger
+
+ @type env() :: :test | :benchmark | :dev | :prod
+
+ defp reboot_time_keys,
+ do: [
+ {:pleroma, Oban},
+ {:pleroma, :rate_limit},
+ {:pleroma, :markup},
+ {:pleroma, :streamer}
+ ]
+
+ defp reboot_time_subkeys,
+ do: [
+ {:pleroma, Pleroma.Captcha, [:seconds_valid]},
+ {:pleroma, Pleroma.Upload, [:proxy_remote]},
+ {:pleroma, :instance, [:upload_limit]}
+ ]
+
+ def start_link(restart_pleroma? \\ true) do
+ load_and_update_env([], restart_pleroma?)
+ if Config.get(:env) == :test, do: Ecto.Adapters.SQL.Sandbox.checkin(Repo)
:ignore
end
- def load_and_update_env do
- if Pleroma.Config.get([:instance, :dynamic_configuration]) and
- Ecto.Adapters.SQL.table_exists?(Pleroma.Repo, "config") do
- for_restart =
- Pleroma.Repo.all(Config)
- |> Enum.map(&update_env(&1))
-
+ @spec load_and_update_env([ConfigDB.t()], boolean()) :: :ok
+ def load_and_update_env(deleted_settings \\ [], restart_pleroma? \\ true) do
+ with {_, true} <- {:configurable, Config.get(:configurable_from_database)} do
# We need to restart applications for loaded settings take effect
- for_restart
- |> Enum.reject(&(&1 in [:pleroma, :ok]))
- |> Enum.each(fn app ->
- Application.stop(app)
- :ok = Application.start(app)
- end)
- end
- end
+ {logger, other} =
+ (Repo.all(ConfigDB) ++ deleted_settings)
+ |> Enum.map(&merge_with_default/1)
+ |> Enum.split_with(fn {group, _, _, _} -> group in [:logger, :quack] end)
- defp update_env(setting) do
- try do
- key =
- if String.starts_with?(setting.key, "Pleroma.") do
- "Elixir." <> setting.key
+ logger
+ |> Enum.sort()
+ |> Enum.each(&configure/1)
+
+ started_applications = Application.started_applications()
+
+ reject = [nil, :postgrex]
+
+ reject =
+ if restart_pleroma? do
+ reject
else
- String.trim_leading(setting.key, ":")
+ [:pleroma | reject]
end
- group = String.to_existing_atom(setting.group)
+ other
+ |> Enum.map(&update/1)
+ |> Enum.uniq()
+ |> Enum.reject(&(&1 in reject))
+ |> maybe_set_pleroma_last()
+ |> Enum.each(&restart(started_applications, &1, Config.get(:env)))
- Application.put_env(
- group,
- String.to_existing_atom(key),
- Config.from_binary(setting.value)
- )
+ :ok
+ else
+ {:configurable, false} -> Restarter.Pleroma.rebooted()
+ end
+ end
+
+ defp maybe_set_pleroma_last(apps) do
+ # to be ensured that pleroma will be restarted last
+ if :pleroma in apps do
+ apps
+ |> List.delete(:pleroma)
+ |> List.insert_at(-1, :pleroma)
+ else
+ Restarter.Pleroma.rebooted()
+ apps
+ end
+ end
- group
+ defp merge_with_default(%{group: group, key: key, value: value} = setting) do
+ default =
+ if group == :pleroma do
+ Config.get([key], Config.Holder.default_config(group, key))
+ else
+ Config.Holder.default_config(group, key)
+ end
+
+ merged =
+ cond do
+ Ecto.get_meta(setting, :state) == :deleted -> default
+ can_be_merged?(default, value) -> ConfigDB.merge_group(group, key, default, value)
+ true -> value
+ end
+
+ {group, key, value, merged}
+ end
+
+ # change logger configuration in runtime, without restart
+ defp configure({:quack, key, _, merged}) do
+ Logger.configure_backend(Quack.Logger, [{key, merged}])
+ :ok = update_env(:quack, key, merged)
+ end
+
+ defp configure({_, :backends, _, merged}) do
+ # removing current backends
+ Enum.each(Application.get_env(:logger, :backends), &Logger.remove_backend/1)
+
+ Enum.each(merged, &Logger.add_backend/1)
+
+ :ok = update_env(:logger, :backends, merged)
+ end
+
+ defp configure({_, key, _, merged}) when key in [:console, :ex_syslogger] do
+ merged =
+ if key == :console do
+ put_in(merged[:format], merged[:format] <> "\n")
+ else
+ merged
+ end
+
+ backend =
+ if key == :ex_syslogger,
+ do: {ExSyslogger, :ex_syslogger},
+ else: key
+
+ Logger.configure_backend(backend, merged)
+ :ok = update_env(:logger, key, merged)
+ end
+
+ defp configure({_, key, _, merged}) do
+ Logger.configure([{key, merged}])
+ :ok = update_env(:logger, key, merged)
+ end
+
+ defp update({group, key, value, merged}) do
+ try do
+ :ok = update_env(group, key, merged)
+
+ if group != :pleroma or pleroma_need_restart?(group, key, value), do: group
rescue
- e ->
- require Logger
+ error ->
+ error_msg =
+ "updating env causes error, group: #{inspect(group)}, key: #{inspect(key)}, value: #{inspect(value)} error: #{inspect(error)}"
+
+ Logger.warn(error_msg)
+
+ nil
+ end
+ end
- Logger.warn(
- "updating env causes error, key: #{inspect(setting.key)}, error: #{inspect(e)}"
- )
+ defp update_env(group, key, nil), do: Application.delete_env(group, key)
+ defp update_env(group, key, value), do: Application.put_env(group, key, value)
+
+ @spec pleroma_need_restart?(atom(), atom(), any()) :: boolean()
+ def pleroma_need_restart?(group, key, value) do
+ group_and_key_need_reboot?(group, key) or group_and_subkey_need_reboot?(group, key, value)
+ end
+
+ defp group_and_key_need_reboot?(group, key) do
+ Enum.any?(reboot_time_keys(), fn {g, k} -> g == group and k == key end)
+ end
+
+ defp group_and_subkey_need_reboot?(group, key, value) do
+ Keyword.keyword?(value) and
+ Enum.any?(reboot_time_subkeys(), fn {g, k, subkeys} ->
+ g == group and k == key and
+ Enum.any?(Keyword.keys(value), &(&1 in subkeys))
+ end)
+ end
+
+ defp restart(_, :pleroma, env), do: Restarter.Pleroma.restart_after_boot(env)
+
+ defp restart(started_applications, app, _) do
+ with {^app, _, _} <- List.keyfind(started_applications, app, 0),
+ :ok <- Application.stop(app) do
+ :ok = Application.start(app)
+ else
+ nil ->
+ Logger.warn("#{app} is not started.")
+
+ error ->
+ error
+ |> inspect()
+ |> Logger.warn()
end
end
+
+ defp can_be_merged?(val1, val2) when is_list(val1) and is_list(val2) do
+ Keyword.keyword?(val1) and Keyword.keyword?(val2)
+ end
+
+ defp can_be_merged?(_val1, _val2), do: false
end
projects / akkoma / blobdiff