akkoma/lib/pleroma/http/adapter_helper/gun.ex
Alexander Strizhakov c17d83cd73
improvements and fixes for http requests
- fix for gun worker termination in some circumstances
- pool for http clients (ex_aws, tzdata)
- default pool timeouts for gun
- gun retries on gun_down messages
- s3 upload timeout if streaming enabled
2020-09-02 09:04:23 +03:00

78 lines
2 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.HTTP.AdapterHelper.Gun do
@behaviour Pleroma.HTTP.AdapterHelper
alias Pleroma.Config
alias Pleroma.Gun.ConnectionPool
alias Pleroma.HTTP.AdapterHelper
require Logger
@defaults [
connect_timeout: 5_000,
domain_lookup_timeout: 5_000,
tls_handshake_timeout: 5_000,
retry: 1,
retry_timeout: 1000,
await_up_timeout: 5_000
]
@spec options(keyword(), URI.t()) :: keyword()
def options(incoming_opts \\ [], %URI{} = uri) do
proxy =
[:http, :proxy_url]
|> Config.get()
|> AdapterHelper.format_proxy()
config_opts = Config.get([:http, :adapter], [])
@defaults
|> Keyword.merge(config_opts)
|> add_scheme_opts(uri)
|> AdapterHelper.maybe_add_proxy(proxy)
|> Keyword.merge(incoming_opts)
end
defp add_scheme_opts(opts, %{scheme: "http"}), do: opts
defp add_scheme_opts(opts, %{scheme: "https"}) do
Keyword.put(opts, :certificates_verification, true)
end
@spec get_conn(URI.t(), keyword()) :: {:ok, keyword()} | {:error, atom()}
def get_conn(uri, opts) do
case ConnectionPool.get_conn(uri, opts) do
{:ok, conn_pid} -> {:ok, Keyword.merge(opts, conn: conn_pid, close_conn: false)}
err -> err
end
end
@prefix Pleroma.Gun.ConnectionPool
def limiter_setup do
wait = Config.get([:connections_pool, :connection_acquisition_wait])
retries = Config.get([:connections_pool, :connection_acquisition_retries])
:pools
|> Config.get([])
|> Enum.each(fn {name, opts} ->
max_running = Keyword.get(opts, :size, 50)
max_waiting = Keyword.get(opts, :max_waiting, 10)
result =
ConcurrentLimiter.new(:"#{@prefix}.#{name}", max_running, max_waiting,
wait: wait,
max_retries: retries
)
case result do
:ok -> :ok
{:error, :existing} -> :ok
end
end)
:ok
end
end