pleroma/lib/pleroma/application.ex
2019-09-09 18:53:08 +00:00

181 lines
5.1 KiB
Elixir

# 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.Config.TransferTask,
Pleroma.Emoji,
Pleroma.Captcha,
Pleroma.FlakeId,
Pleroma.ScheduledActivityWorker,
Pleroma.ActivityExpirationWorker
] ++
cachex_children() ++
hackney_pool_children() ++
[
Pleroma.Web.Federator.RetryQueue,
Pleroma.Stats,
%{
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]
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
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
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