# 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.Config
alias Pleroma.ConfigDB
alias Pleroma.Repo
require Logger
- def start_link(_) do
- load_and_update_env()
- if Pleroma.Config.get(:env) == :test, do: Ecto.Adapters.SQL.Sandbox.checkin(Repo)
+ @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, :gopher, [:enabled]}
+ ]
+
+ 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
- with true <- Pleroma.Config.get(:configurable_from_database),
- true <- Ecto.Adapters.SQL.table_exists?(Repo, "config"),
- started_applications <- Application.started_applications() do
+ @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
- ConfigDB
- |> Repo.all()
- |> Enum.map(&update_env(&1))
- |> Enum.uniq()
+
+ {logger, other} =
+ (Repo.all(ConfigDB) ++ deleted_settings)
+ |> Enum.map(&merge_with_default/1)
+ |> Enum.split_with(fn {group, _, _, _} -> group in [:logger, :quack] end)
+
+ logger
+ |> Enum.sort()
+ |> Enum.each(&configure/1)
+
+ started_applications = Application.started_applications()
+
# TODO: some problem with prometheus after restart!
- |> Enum.reject(&(&1 in [:pleroma, nil, :prometheus]))
- |> Enum.each(&restart(started_applications, &1))
+ reject = [nil, :prometheus, :postgrex]
+
+ reject =
+ if restart_pleroma? do
+ reject
+ else
+ [:pleroma | reject]
+ end
+
+ 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)))
+
+ :ok
+ else
+ {:configurable, false} -> Restarter.Pleroma.rebooted()
end
end
- defp update_env(setting) do
- try do
- key = ConfigDB.from_string(setting.key)
- group = ConfigDB.from_string(setting.group)
- value = ConfigDB.from_binary(setting.value)
+ 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
- if group != :phoenix and key != :serve_endpoints do
- default = Pleroma.Config.Holder.config(group, key)
+ defp merge_with_default(%{group: group, key: key, value: value} = setting) do
+ default = Config.Holder.default_config(group, key)
- merged_value =
- if can_be_merged?(default, value) do
- ConfigDB.deep_merge(group, key, default, value)
- else
- value
- 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
- :ok = Application.put_env(group, key, merged_value)
+ {group, key, value, merged}
+ end
- if group != :logger do
- group
- else
- # 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
+ # 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 ->
- Logger.warn(
- "updating env causes error, group: #{inspect(setting.group)}, key: #{
- inspect(setting.key)
- }, value: #{inspect(ConfigDB.from_binary(setting.value))}, error: #{inspect(e)}"
- )
+ 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
- defp restart(started_applications, app) do
+ 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 -> Logger.warn(inspect(error))
+ nil ->
+ Logger.warn("#{app} is not started.")
+
+ error ->
+ error
+ |> inspect()
+ |> Logger.warn()
end
end
- defp can_be_merged?(val1, val2) when is_map(val1) and is_map(val2), do: true
-
defp can_be_merged?(val1, val2) when is_list(val1) and is_list(val2) do
Keyword.keyword?(val1) and Keyword.keyword?(val2)
end