97 lines
2.7 KiB
Elixir
97 lines
2.7 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Config.TransferTask do
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use Task
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alias Pleroma.ConfigDB
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alias Pleroma.Repo
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require Logger
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def start_link(_) do
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load_and_update_env()
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if Pleroma.Config.get(:env) == :test, do: Ecto.Adapters.SQL.Sandbox.checkin(Repo)
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:ignore
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end
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def load_and_update_env do
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with true <- Pleroma.Config.get(:configurable_from_database),
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true <- Ecto.Adapters.SQL.table_exists?(Repo, "config"),
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started_applications <- Application.started_applications() do
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# We need to restart applications for loaded settings take effect
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ConfigDB
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|> Repo.all()
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|> Enum.map(&update_env(&1))
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|> Enum.uniq()
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# TODO: some problem with prometheus after restart!
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|> Enum.reject(&(&1 in [:pleroma, nil, :prometheus]))
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|> Enum.each(&restart(started_applications, &1))
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end
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end
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defp update_env(setting) do
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try do
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key = ConfigDB.from_string(setting.key)
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group = ConfigDB.from_string(setting.group)
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value = ConfigDB.from_binary(setting.value)
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default = Pleroma.Config.Holder.config(group, key)
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merged_value =
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if can_be_merged?(default, value) do
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ConfigDB.merge_group(group, key, default, value)
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else
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value
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end
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:ok = Application.put_env(group, key, merged_value)
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if group != :logger do
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group
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else
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# change logger configuration in runtime, without restart
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if Keyword.keyword?(merged_value) and
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key not in [:compile_time_application, :backends, :compile_time_purge_matching] do
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Logger.configure_backend(key, merged_value)
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else
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Logger.configure([{key, merged_value}])
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end
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nil
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end
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rescue
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e ->
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Logger.warn(
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"updating env causes error, group: #{inspect(setting.group)}, key: #{
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inspect(setting.key)
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}, value: #{inspect(ConfigDB.from_binary(setting.value))}, error: #{inspect(e)}"
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)
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nil
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end
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end
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defp restart(started_applications, app) do
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with {^app, _, _} <- List.keyfind(started_applications, app, 0),
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:ok <- Application.stop(app) do
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:ok = Application.start(app)
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else
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nil ->
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Logger.warn("#{app} is not started.")
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error ->
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error
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|> inspect()
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|> Logger.warn()
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end
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end
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defp can_be_merged?(val1, val2) when is_list(val1) and is_list(val2) do
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Keyword.keyword?(val1) and Keyword.keyword?(val2)
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end
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defp can_be_merged?(_val1, _val2), do: false
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end
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