# 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 use Application @name Mix.Project.config()[:name] @version Mix.Project.config()[:version] @repository Mix.Project.config()[:source_url] 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 import Cachex.Spec Pleroma.Config.DeprecationWarnings.warn() setup_instrumenters() # Define workers and child supervisors to be supervised children = [ # Start the Ecto repository %{id: Pleroma.Repo, start: {Pleroma.Repo, :start_link, []}, type: :supervisor}, %{id: Pleroma.Config.TransferTask, start: {Pleroma.Config.TransferTask, :start_link, []}}, %{id: Pleroma.Emoji, start: {Pleroma.Emoji, :start_link, []}}, %{id: Pleroma.Captcha, start: {Pleroma.Captcha, :start_link, []}}, %{ id: :cachex_used_captcha_cache, start: {Cachex, :start_link, [ :used_captcha_cache, [ ttl_interval: :timer.seconds(Pleroma.Config.get!([Pleroma.Captcha, :seconds_valid])) ] ]} }, %{ id: :cachex_user, start: {Cachex, :start_link, [ :user_cache, [ default_ttl: 25_000, ttl_interval: 1000, limit: 2500 ] ]} }, %{ id: :cachex_object, start: {Cachex, :start_link, [ :object_cache, [ default_ttl: 25_000, ttl_interval: 1000, limit: 2500 ] ]} }, %{ id: :cachex_rich_media, start: {Cachex, :start_link, [ :rich_media_cache, [ default_ttl: :timer.minutes(120), limit: 5000 ] ]} }, %{ id: :cachex_scrubber, start: {Cachex, :start_link, [ :scrubber_cache, [ limit: 2500 ] ]} }, %{ id: :cachex_idem, start: {Cachex, :start_link, [ :idempotency_cache, [ expiration: expiration( default: :timer.seconds(6 * 60 * 60), interval: :timer.seconds(60) ), limit: 2500 ] ]} }, %{id: Pleroma.FlakeId, start: {Pleroma.FlakeId, :start_link, []}}, %{ id: Pleroma.ScheduledActivityWorker, start: {Pleroma.ScheduledActivityWorker, :start_link, []} } ] ++ hackney_pool_children() ++ [ %{ id: Pleroma.Web.Federator.RetryQueue, start: {Pleroma.Web.Federator.RetryQueue, :start_link, []} }, %{ id: Pleroma.Web.OAuth.Token.CleanWorker, start: {Pleroma.Web.OAuth.Token.CleanWorker, :start_link, []} }, %{ id: Pleroma.Stats, start: {Pleroma.Stats, :start_link, []} }, %{ 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 } ] ++ streamer_child() ++ chat_child() ++ [ # Start the endpoint when the application starts %{ id: Pleroma.Web.Endpoint, start: {Pleroma.Web.Endpoint, :start_link, []}, type: :supervisor }, %{id: Pleroma.Gopher.Server, start: {Pleroma.Gopher.Server, :start_link, []}} ] # See http://elixir-lang.org/docs/stable/elixir/Supervisor.html # for other strategies and supported options opts = [strategy: :one_for_one, name: Pleroma.Supervisor] result = Supervisor.start_link(children, opts) :ok = after_supervisor_start() result 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 if Pleroma.Config.get(:env) == :test do defp streamer_child, do: [] defp chat_child, do: [] else defp streamer_child do [%{id: Pleroma.Web.Streamer, start: {Pleroma.Web.Streamer, :start_link, []}}] end defp chat_child do if Pleroma.Config.get([:chat, :enabled]) do [ %{ id: Pleroma.Web.ChatChannel.ChatChannelState, start: {Pleroma.Web.ChatChannel.ChatChannelState, :start_link, []} } ] else [] end end end 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 defp after_supervisor_start do with digest_config <- Application.get_env(:pleroma, :email_notifications)[:digest], true <- digest_config[:active] do PleromaJobQueue.schedule( digest_config[:schedule], :digest_emails, Pleroma.DigestEmailWorker ) end :ok end end