# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Config.TransferTask do
use Task
- alias Pleroma.Web.AdminAPI.Config
+
+ alias Pleroma.Config
+ alias Pleroma.ConfigDB
+ alias Pleroma.Repo
+
+ require Logger
+
+ @type env() :: :test | :benchmark | :dev | :prod
+
+ @reboot_time_keys [
+ {:pleroma, :hackney_pools},
+ {:pleroma, :chat},
+ {:pleroma, Oban},
+ {:pleroma, :rate_limit},
+ {:pleroma, :markup},
+ {:pleroma, :streamer},
+ {:pleroma, :pools},
+ {:pleroma, :connections_pool}
+ ]
+
+ @reboot_time_subkeys [
+ {:pleroma, Pleroma.Captcha, [:seconds_valid]},
+ {:pleroma, Pleroma.Upload, [:proxy_remote]},
+ {:pleroma, :instance, [:upload_limit]},
+ {:pleroma, :email_notifications, [:digest]},
+ {:pleroma, :oauth2, [:clean_expired_tokens]},
+ {:pleroma, Pleroma.ActivityExpiration, [:enabled]},
+ {:pleroma, Pleroma.ScheduledActivity, [:enabled]},
+ {:pleroma, :gopher, [:enabled]}
+ ]
def start_link(_) do
load_and_update_env()
- if Pleroma.Config.get(:env) == :test, do: Ecto.Adapters.SQL.Sandbox.checkin(Pleroma.Repo)
+ 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)
+
+ # TODO: some problem with prometheus after restart!
+ reject_restart =
+ if restart_pleroma? do
+ [nil, :prometheus]
+ else
+ [:pleroma, nil, :prometheus]
+ end
+
+ started_applications = Application.started_applications()
+
+ (Repo.all(ConfigDB) ++ deleted_settings)
+ |> Enum.map(&merge_and_update/1)
+ |> Enum.uniq()
+ |> Enum.reject(&(&1 in reject_restart))
+ |> maybe_set_pleroma_last()
+ |> Enum.each(&restart(started_applications, &1, Config.get(:env)))
+
+ :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
- defp update_env(setting) do
+ defp group_for_restart(:logger, key, _, merged_value) do
+ # change logger configuration in runtime, without restart
+ if Keyword.keyword?(merged_value) and
+ key not in [:compile_time_application, :backends, :compile_time_purge_matching] do
+ Logger.configure_backend(key, merged_value)
+ else
+ Logger.configure([{key, merged_value}])
+ end
+
+ nil
+ end
+
+ defp group_for_restart(group, _, _, _) when group != :pleroma, do: group
+
+ defp group_for_restart(group, key, value, _) do
+ if pleroma_need_restart?(group, key, value), do: group
+ end
+
+ defp merge_and_update(setting) do
try do
- key =
- if String.starts_with?(setting.key, "Pleroma.") do
- "Elixir." <> setting.key
- else
- String.trim_leading(setting.key, ":")
- end
+ key = ConfigDB.from_string(setting.key)
+ group = ConfigDB.from_string(setting.group)
- group = String.to_existing_atom(setting.group)
+ default = Config.Holder.config(group, key)
+ value = ConfigDB.from_binary(setting.value)
- Application.put_env(
- group,
- String.to_existing_atom(key),
- Config.from_binary(setting.value)
- )
+ merged_value =
+ cond do
+ Ecto.get_meta(setting, :state) == :deleted -> default
+ can_be_merged?(default, value) -> ConfigDB.merge_group(group, key, default, value)
+ true -> value
+ end
+
+ :ok = update_env(group, key, merged_value)
- group
+ group_for_restart(group, key, value, merged_value)
rescue
- e ->
- require Logger
+ error ->
+ error_msg =
+ "updating env causes error, group: " <>
+ inspect(setting.group) <>
+ " key: " <>
+ inspect(setting.key) <>
+ " value: " <>
+ inspect(ConfigDB.from_binary(setting.value)) <> " error: " <> inspect(error)
+
+ Logger.warn(error_msg)
+
+ nil
+ end
+ end
+
+ @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
- Logger.warn(
- "updating env causes error, key: #{inspect(setting.key)}, error: #{inspect(e)}"
- )
+ 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 update_env(group, key, nil), do: Application.delete_env(group, key)
+ defp update_env(group, key, value), do: Application.put_env(group, key, value)
+
+ 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