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|
# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Application.StartUpDependencies do
@moduledoc """
Starts common and config-dependent Pleroma dependencies.
"""
alias Pleroma.Config
alias Pleroma.Web.Endpoint
require Cachex.Spec
require Logger
@type config_path() :: {atom(), atom()} | {atom(), atom(), [atom()]}
@type relation() :: {config_path(), module()}
@spec start_all(Pleroma.Application.env()) ::
:ok | {:error, {:already_started, pid()} | :max_children | term()}
def start_all(env) do
with :ok <- start_common_deps(env),
:ok <- start_config_dependent_deps(env) do
:ok
end
end
@spec adapter_module() :: module()
def adapter_module do
if Application.get_env(:tesla, :adapter) == Tesla.Adapter.Gun do
Pleroma.Gun.GunSupervisor
else
Pleroma.HTTP.HackneySupervisor
end
end
@spec spec(module()) :: module() | {module(), keyword()}
def spec(Oban), do: {Oban, Config.get(Oban)}
def spec(Pleroma.Web.StreamerRegistry) do
{Registry,
[
name: Pleroma.Web.Streamer.registry(),
keys: :duplicate,
partitions: System.schedulers_online()
]}
end
def spec(child), do: child
@spec cachex_spec({String.t(), keyword()}) :: :supervisor.child_spec()
def cachex_spec({type, opts}) do
%{
id: String.to_atom("cachex_" <> type),
start: {Cachex, :start_link, [String.to_atom(type <> "_cache"), opts]},
type: :worker
}
end
defp start_common_deps(env) do
fun = fn child ->
DynamicSupervisor.start_child(Pleroma.Application.dynamic_supervisor(), spec(child))
end
[
Pleroma.Emoji,
Pleroma.Stats,
Pleroma.JobQueueMonitor,
{Majic.Pool, [name: Pleroma.MajicPool, pool_size: Config.get([:majic_pool, :size], 2)]},
%{
id: :web_push_init,
start: {Task, :start_link, [&Pleroma.Web.Push.init/0]},
restart: :temporary
}
]
|> add_cachex_deps()
|> maybe_add_init_internal_fetch_actor_task(env)
|> maybe_add_background_migrator(env)
|> start_while(fun)
end
defp start_config_dependent_deps(env) do
fun = fn child -> Pleroma.Application.ConfigDependentDeps.start_dependency(child) end
[
Pleroma.Web.Plugs.RateLimiter.Supervisor,
Oban,
Endpoint,
Pleroma.Gopher.Server
]
|> add_http_children(env)
|> maybe_add_streamer(env)
|> maybe_add_chat_child()
|> start_while(fun)
end
defp start_while(deps, fun) do
Enum.reduce_while(deps, :ok, fn child, acc ->
case fun.(child) do
{:ok, _} ->
{:cont, acc}
# consider this behavior is normal
:ignore ->
Logger.info("#{inspect(child)} is ignored.")
{:cont, acc}
error ->
Logger.error("Child #{inspect(child)} can't be started. #{inspect(error)}")
{:halt, error}
end
end)
end
@spec cachex_deps() :: [tuple()]
def cachex_deps do
captcha_clean_up_interval =
[Pleroma.Captcha, :seconds_valid]
|> Config.get!()
|> :timer.seconds()
[
{"used_captcha", expiration: Cachex.Spec.expiration(interval: captcha_clean_up_interval)},
{"user", expiration: cachex_expiration(25_000, 1000), limit: 2500},
{"object", expiration: cachex_expiration(25_000, 1000), limit: 2500},
{"rich_media",
expiration: Cachex.Spec.expiration(default: :timer.minutes(120)), limit: 5000},
{"scrubber", limit: 2500},
{"idempotency", expiration: cachex_expiration(21_600, 60), limit: 2500},
{"web_resp", limit: 2500},
{"emoji_packs", expiration: cachex_expiration(300, 60), limit: 10},
{"failed_proxy_url", limit: 2500},
{"banned_urls",
expiration: Cachex.Spec.expiration(default: :timer.hours(24 * 30)), limit: 5_000},
{"chat_message_id_idempotency_key",
expiration: cachex_expiration(:timer.minutes(2), :timer.seconds(60)), limit: 500_000}
]
end
defp add_cachex_deps(application_deps) do
cachex_deps()
|> Enum.reduce(application_deps, fn cachex_init_args, acc ->
[cachex_spec(cachex_init_args) | acc]
end)
end
defp cachex_expiration(default, interval) do
Cachex.Spec.expiration(default: :timer.seconds(default), interval: :timer.seconds(interval))
end
defp maybe_add_init_internal_fetch_actor_task(children, :test), do: children
defp maybe_add_init_internal_fetch_actor_task(children, _) do
[
%{
id: :internal_fetch_init,
start: {Task, :start_link, [&Pleroma.Web.ActivityPub.InternalFetchActor.init/0]},
restart: :temporary
}
| children
]
end
defp maybe_add_streamer(children, env) when env in [:test, :benchmark], do: children
defp maybe_add_streamer(children, _), do: [Pleroma.Web.Streamer.registry() | children]
defp maybe_add_background_migrator(children, env) when env in [:test, :benchmark], do: children
defp maybe_add_background_migrator(children, _) do
[Pleroma.Migrators.HashtagsTableMigrator | children]
end
defp add_http_children(children, :test) do
[Pleroma.HTTP.HackneySupervisor, Pleroma.Gun.GunSupervisor | children]
end
defp add_http_children(children, _), do: [adapter_module() | children]
defp maybe_add_chat_child(children) do
if Config.get([:chat, :enabled]) do
[Pleroma.Application.ChatSupervisor | children]
else
children
end
end
end
|
