# Pleroma: A lightweight social networking server # Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Application do import Cachex.Spec use Application @name Mix.Project.config()[:name] @version Mix.Project.config()[:version] @repository Mix.Project.config()[:source_url] @env Mix.env() def name, do: @name def version, do: @version def named_version, do: @name <> " " <> @version def repository, do: @repository def user_agent do info = "#{Pleroma.Web.base_url()} <#{Pleroma.Config.get([:instance, :email], "")}>" named_version() <> "; " <> info end # See http://elixir-lang.org/docs/stable/elixir/Application.html # for more information on OTP Applications def start(_type, _args) do Pleroma.Config.DeprecationWarnings.warn() setup_instrumenters() # Define workers and child supervisors to be supervised children = [ Pleroma.Repo, Pleroma.Scheduler, Pleroma.Config.TransferTask, Pleroma.Emoji, Pleroma.Captcha, Pleroma.FlakeId, Pleroma.Daemons.ScheduledActivityDaemon, Pleroma.Daemons.ActivityExpirationDaemon ] ++ cachex_children() ++ hackney_pool_children() ++ [ Pleroma.Stats, {Oban, Pleroma.Config.get(Oban)}, %{ id: :web_push_init, start: {Task, :start_link, [&Pleroma.Web.Push.init/0]}, restart: :temporary }, %{ id: :federator_init, start: {Task, :start_link, [&Pleroma.Web.Federator.init/0]}, restart: :temporary }, %{ id: :internal_fetch_init, start: {Task, :start_link, [&Pleroma.Web.ActivityPub.InternalFetchActor.init/0]}, restart: :temporary } ] ++ oauth_cleanup_child(oauth_cleanup_enabled?()) ++ streamer_child(@env) ++ chat_child(@env, chat_enabled?()) ++ [ Pleroma.Web.Endpoint, Pleroma.Gopher.Server ] # See http://elixir-lang.org/docs/stable/elixir/Supervisor.html # for other strategies and supported options opts = [strategy: :one_for_one, name: Pleroma.Supervisor] Supervisor.start_link(children, opts) end defp setup_instrumenters do require Prometheus.Registry if Application.get_env(:prometheus, Pleroma.Repo.Instrumenter) do :ok = :telemetry.attach( "prometheus-ecto", [:pleroma, :repo, :query], &Pleroma.Repo.Instrumenter.handle_event/4, %{} ) Pleroma.Repo.Instrumenter.setup() end Pleroma.Web.Endpoint.MetricsExporter.setup() Pleroma.Web.Endpoint.PipelineInstrumenter.setup() Pleroma.Web.Endpoint.Instrumenter.setup() end def enabled_hackney_pools do [:media] ++ if Application.get_env(:tesla, :adapter) == Tesla.Adapter.Hackney do [:federation] else [] end ++ if Pleroma.Config.get([Pleroma.Upload, :proxy_remote]) do [:upload] else [] end end defp cachex_children do [ build_cachex("used_captcha", ttl_interval: seconds_valid_interval()), build_cachex("user", default_ttl: 25_000, ttl_interval: 1000, limit: 2500), build_cachex("object", default_ttl: 25_000, ttl_interval: 1000, limit: 2500), build_cachex("rich_media", default_ttl: :timer.minutes(120), limit: 5000), build_cachex("scrubber", limit: 2500), build_cachex("idempotency", expiration: idempotency_expiration(), limit: 2500), build_cachex("web_resp", limit: 2500) ] end defp idempotency_expiration, do: expiration(default: :timer.seconds(6 * 60 * 60), interval: :timer.seconds(60)) defp seconds_valid_interval, do: :timer.seconds(Pleroma.Config.get!([Pleroma.Captcha, :seconds_valid])) defp build_cachex(type, opts), do: %{ id: String.to_atom("cachex_" <> type), start: {Cachex, :start_link, [String.to_atom(type <> "_cache"), opts]}, type: :worker } defp chat_enabled?, do: Pleroma.Config.get([:chat, :enabled]) defp oauth_cleanup_enabled?, do: Pleroma.Config.get([:oauth2, :clean_expired_tokens], false) defp streamer_child(:test), do: [] defp streamer_child(_) do [Pleroma.Web.Streamer] end defp oauth_cleanup_child(true), do: [Pleroma.Web.OAuth.Token.CleanWorker] defp oauth_cleanup_child(_), do: [] defp chat_child(:test, _), do: [] defp chat_child(_env, true) do [Pleroma.Web.ChatChannel.ChatChannelState] end defp chat_child(_, _), do: [] defp hackney_pool_children do for pool <- enabled_hackney_pools() do options = Pleroma.Config.get([:hackney_pools, pool]) :hackney_pool.child_spec(pool, options) end end end