mirror of
https://akkoma.dev/AkkomaGang/akkoma.git
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179 lines
5.2 KiB
Elixir
179 lines
5.2 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 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.Config
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alias Pleroma.ConfigDB
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alias Pleroma.Repo
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require Logger
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@type env() :: :test | :benchmark | :dev | :prod
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@reboot_time_keys [
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{:pleroma, :hackney_pools},
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{:pleroma, :chat},
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{:pleroma, Oban},
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{:pleroma, :rate_limit},
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{:pleroma, :markup},
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{:pleroma, :streamer},
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{:pleroma, :pools},
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{:pleroma, :connections_pool}
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]
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@reboot_time_subkeys [
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{:pleroma, Pleroma.Captcha, [:seconds_valid]},
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{:pleroma, Pleroma.Upload, [:proxy_remote]},
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{:pleroma, :instance, [:upload_limit]},
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{:pleroma, :email_notifications, [:digest]},
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{:pleroma, :oauth2, [:clean_expired_tokens]},
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{:pleroma, Pleroma.ActivityExpiration, [:enabled]},
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{:pleroma, Pleroma.ScheduledActivity, [:enabled]},
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{:pleroma, :gopher, [:enabled]}
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]
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def start_link(_) do
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load_and_update_env()
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if 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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@spec load_and_update_env([ConfigDB.t()], boolean()) :: :ok
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def load_and_update_env(deleted_settings \\ [], restart_pleroma? \\ true) do
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with {_, true} <- {:configurable, Config.get(:configurable_from_database)} do
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# We need to restart applications for loaded settings take effect
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# TODO: some problem with prometheus after restart!
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reject_restart =
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if restart_pleroma? do
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[nil, :prometheus]
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else
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[:pleroma, nil, :prometheus]
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end
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started_applications = Application.started_applications()
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(Repo.all(ConfigDB) ++ deleted_settings)
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|> Enum.map(&merge_and_update/1)
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|> Enum.uniq()
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|> Enum.reject(&(&1 in reject_restart))
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|> maybe_set_pleroma_last()
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|> Enum.each(&restart(started_applications, &1, Config.get(:env)))
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:ok
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else
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{:configurable, false} -> Restarter.Pleroma.rebooted()
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end
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end
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defp maybe_set_pleroma_last(apps) do
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# to be ensured that pleroma will be restarted last
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if :pleroma in apps do
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apps
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|> List.delete(:pleroma)
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|> List.insert_at(-1, :pleroma)
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else
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Restarter.Pleroma.rebooted()
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apps
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end
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end
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defp group_for_restart(:logger, key, _, merged_value) do
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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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defp group_for_restart(group, _, _, _) when group != :pleroma, do: group
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defp group_for_restart(group, key, value, _) do
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if pleroma_need_restart?(group, key, value), do: group
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end
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defp merge_and_update(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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default = Config.Holder.default_config(group, key)
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value = ConfigDB.from_binary(setting.value)
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merged_value =
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cond do
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Ecto.get_meta(setting, :state) == :deleted -> default
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can_be_merged?(default, value) -> ConfigDB.merge_group(group, key, default, value)
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true -> value
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end
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:ok = update_env(group, key, merged_value)
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group_for_restart(group, key, value, merged_value)
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rescue
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error ->
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error_msg =
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"updating env causes error, group: " <>
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inspect(setting.group) <>
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" key: " <>
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inspect(setting.key) <>
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" value: " <>
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inspect(ConfigDB.from_binary(setting.value)) <> " error: " <> inspect(error)
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Logger.warn(error_msg)
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nil
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end
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end
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@spec pleroma_need_restart?(atom(), atom(), any()) :: boolean()
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def pleroma_need_restart?(group, key, value) do
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group_and_key_need_reboot?(group, key) or group_and_subkey_need_reboot?(group, key, value)
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end
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defp group_and_key_need_reboot?(group, key) do
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Enum.any?(@reboot_time_keys, fn {g, k} -> g == group and k == key end)
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end
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defp group_and_subkey_need_reboot?(group, key, value) do
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Keyword.keyword?(value) and
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Enum.any?(@reboot_time_subkeys, fn {g, k, subkeys} ->
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g == group and k == key and
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Enum.any?(Keyword.keys(value), &(&1 in subkeys))
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end)
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end
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defp update_env(group, key, nil), do: Application.delete_env(group, key)
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defp update_env(group, key, value), do: Application.put_env(group, key, value)
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defp restart(_, :pleroma, env), do: Restarter.Pleroma.restart_after_boot(env)
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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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