From c17d83cd7330d5c874f647a5224a3a130ed88fb0 Mon Sep 17 00:00:00 2001 From: Alexander Strizhakov Date: Wed, 19 Aug 2020 10:22:59 +0300 Subject: [PATCH] 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 --- config/config.exs | 12 +++++--- lib/pleroma/gun/connection_pool/worker.ex | 35 ++++++++++++++++------- lib/pleroma/http/adapter_helper.ex | 16 +++++++---- lib/pleroma/http/adapter_helper/gun.ex | 18 ++++++------ lib/pleroma/http/ex_aws.ex | 2 ++ lib/pleroma/http/tzdata.ex | 4 +++ lib/pleroma/uploaders/s3.ex | 19 ++++++++---- 7 files changed, 70 insertions(+), 36 deletions(-) diff --git a/config/config.exs b/config/config.exs index 246712b9f..ea8869d48 100644 --- a/config/config.exs +++ b/config/config.exs @@ -740,19 +740,23 @@ config :pleroma, :pools, federation: [ size: 50, - max_waiting: 10 + max_waiting: 10, + timeout: 10_000 ], media: [ size: 50, - max_waiting: 10 + max_waiting: 10, + timeout: 10_000 ], upload: [ size: 25, - max_waiting: 5 + max_waiting: 5, + timeout: 15_000 ], default: [ size: 10, - max_waiting: 2 + max_waiting: 2, + timeout: 5_000 ] config :pleroma, :hackney_pools, diff --git a/lib/pleroma/gun/connection_pool/worker.ex b/lib/pleroma/gun/connection_pool/worker.ex index fec9d0efa..c36332817 100644 --- a/lib/pleroma/gun/connection_pool/worker.ex +++ b/lib/pleroma/gun/connection_pool/worker.ex @@ -83,17 +83,25 @@ def handle_call(:remove_client, {client_pid, _}, %{key: key} = state) do end) {ref, state} = pop_in(state.client_monitors[client_pid]) - Process.demonitor(ref) - - timer = - if used_by == [] do - max_idle = Pleroma.Config.get([:connections_pool, :max_idle_time], 30_000) - Process.send_after(self(), :idle_close, max_idle) + # DOWN message can receive right after `remove_client` call and cause worker to terminate + state = + if is_nil(ref) do + state else - nil + Process.demonitor(ref) + + timer = + if used_by == [] do + max_idle = Pleroma.Config.get([:connections_pool, :max_idle_time], 30_000) + Process.send_after(self(), :idle_close, max_idle) + else + nil + end + + %{state | timer: timer} end - {:reply, :ok, %{state | timer: timer}, :hibernate} + {:reply, :ok, state, :hibernate} end @impl true @@ -103,16 +111,21 @@ def handle_info(:idle_close, state) do {:stop, :normal, state} end + @impl true + def handle_info({:gun_up, _pid, _protocol}, state) do + {:noreply, state, :hibernate} + end + # Gracefully shutdown if the connection got closed without any streams left @impl true def handle_info({:gun_down, _pid, _protocol, _reason, []}, state) do {:stop, :normal, state} end - # Otherwise, shutdown with an error + # Otherwise, wait for retry @impl true - def handle_info({:gun_down, _pid, _protocol, _reason, _killed_streams} = down_message, state) do - {:stop, {:error, down_message}, state} + def handle_info({:gun_down, _pid, _protocol, _reason, _killed_streams}, state) do + {:noreply, state, :hibernate} end @impl true diff --git a/lib/pleroma/http/adapter_helper.ex b/lib/pleroma/http/adapter_helper.ex index 9ec3836b0..740e6e9ff 100644 --- a/lib/pleroma/http/adapter_helper.ex +++ b/lib/pleroma/http/adapter_helper.ex @@ -10,6 +10,7 @@ defmodule Pleroma.HTTP.AdapterHelper do @type proxy_type() :: :socks4 | :socks5 @type host() :: charlist() | :inet.ip_address() + @type pool() :: :federation | :upload | :media | :default alias Pleroma.Config alias Pleroma.HTTP.AdapterHelper @@ -44,14 +45,13 @@ def maybe_add_proxy(opts, proxy), do: Keyword.put_new(opts, :proxy, proxy) @spec options(URI.t(), keyword()) :: keyword() def options(%URI{} = uri, opts \\ []) do @defaults - |> put_timeout() |> Keyword.merge(opts) + |> put_timeout() |> adapter_helper().options(uri) end - # For Hackney, this is the time a connection can stay idle in the pool. - # For Gun, this is the timeout to receive a message from Gun. - defp put_timeout(opts) do + @spec pool_timeout(pool()) :: non_neg_integer() + def pool_timeout(pool) do {config_key, default} = if adapter() == Tesla.Adapter.Gun do {:pools, Config.get([:pools, :default, :timeout], 5_000)} @@ -59,9 +59,13 @@ defp put_timeout(opts) do {:hackney_pools, 10_000} end - timeout = Config.get([config_key, opts[:pool], :timeout], default) + Config.get([config_key, pool, :timeout], default) + end - Keyword.merge(opts, timeout: timeout) + # For Hackney, this is the time a connection can stay idle in the pool. + # For Gun, this is the timeout to receive a message from Gun. + defp put_timeout(opts) do + Keyword.put_new(opts, :timeout, pool_timeout(opts[:pool])) end def get_conn(uri, opts), do: adapter_helper().get_conn(uri, opts) diff --git a/lib/pleroma/http/adapter_helper/gun.ex b/lib/pleroma/http/adapter_helper/gun.ex index b4ff8306c..db0a298b3 100644 --- a/lib/pleroma/http/adapter_helper/gun.ex +++ b/lib/pleroma/http/adapter_helper/gun.ex @@ -5,6 +5,7 @@ defmodule Pleroma.HTTP.AdapterHelper.Gun do @behaviour Pleroma.HTTP.AdapterHelper + alias Pleroma.Config alias Pleroma.Gun.ConnectionPool alias Pleroma.HTTP.AdapterHelper @@ -14,7 +15,7 @@ defmodule Pleroma.HTTP.AdapterHelper.Gun do connect_timeout: 5_000, domain_lookup_timeout: 5_000, tls_handshake_timeout: 5_000, - retry: 0, + retry: 1, retry_timeout: 1000, await_up_timeout: 5_000 ] @@ -22,10 +23,11 @@ defmodule Pleroma.HTTP.AdapterHelper.Gun do @spec options(keyword(), URI.t()) :: keyword() def options(incoming_opts \\ [], %URI{} = uri) do proxy = - Pleroma.Config.get([:http, :proxy_url]) + [:http, :proxy_url] + |> Config.get() |> AdapterHelper.format_proxy() - config_opts = Pleroma.Config.get([:http, :adapter], []) + config_opts = Config.get([:http, :adapter], []) @defaults |> Keyword.merge(config_opts) @@ -37,8 +39,7 @@ def options(incoming_opts \\ [], %URI{} = uri) do defp add_scheme_opts(opts, %{scheme: "http"}), do: opts defp add_scheme_opts(opts, %{scheme: "https"}) do - opts - |> Keyword.put(:certificates_verification, true) + Keyword.put(opts, :certificates_verification, true) end @spec get_conn(URI.t(), keyword()) :: {:ok, keyword()} | {:error, atom()} @@ -51,11 +52,11 @@ def get_conn(uri, opts) do @prefix Pleroma.Gun.ConnectionPool def limiter_setup do - wait = Pleroma.Config.get([:connections_pool, :connection_acquisition_wait]) - retries = Pleroma.Config.get([:connections_pool, :connection_acquisition_retries]) + wait = Config.get([:connections_pool, :connection_acquisition_wait]) + retries = Config.get([:connections_pool, :connection_acquisition_retries]) :pools - |> Pleroma.Config.get([]) + |> Config.get([]) |> Enum.each(fn {name, opts} -> max_running = Keyword.get(opts, :size, 50) max_waiting = Keyword.get(opts, :max_waiting, 10) @@ -69,7 +70,6 @@ def limiter_setup do case result do :ok -> :ok {:error, :existing} -> :ok - e -> raise e end end) diff --git a/lib/pleroma/http/ex_aws.ex b/lib/pleroma/http/ex_aws.ex index e53e64077..2fe8beafc 100644 --- a/lib/pleroma/http/ex_aws.ex +++ b/lib/pleroma/http/ex_aws.ex @@ -11,6 +11,8 @@ defmodule Pleroma.HTTP.ExAws do @impl true def request(method, url, body \\ "", headers \\ [], http_opts \\ []) do + http_opts = Keyword.put(http_opts, :adapter, pool: :upload) + case HTTP.request(method, url, body, headers, http_opts) do {:ok, env} -> {:ok, %{status_code: env.status, headers: env.headers, body: env.body}} diff --git a/lib/pleroma/http/tzdata.ex b/lib/pleroma/http/tzdata.ex index 34bb253a7..7dd3352ff 100644 --- a/lib/pleroma/http/tzdata.ex +++ b/lib/pleroma/http/tzdata.ex @@ -11,6 +11,8 @@ defmodule Pleroma.HTTP.Tzdata do @impl true def get(url, headers, options) do + options = Keyword.put(options, :adapter, pool: :upload) + with {:ok, %Tesla.Env{} = env} <- HTTP.get(url, headers, options) do {:ok, {env.status, env.headers, env.body}} end @@ -18,6 +20,8 @@ def get(url, headers, options) do @impl true def head(url, headers, options) do + options = Keyword.put(options, :adapter, pool: :upload) + with {:ok, %Tesla.Env{} = env} <- HTTP.head(url, headers, options) do {:ok, {env.status, env.headers}} end diff --git a/lib/pleroma/uploaders/s3.ex b/lib/pleroma/uploaders/s3.ex index a13ff23b6..ed9794ca2 100644 --- a/lib/pleroma/uploaders/s3.ex +++ b/lib/pleroma/uploaders/s3.ex @@ -46,12 +46,19 @@ def put_file(%Pleroma.Upload{} = upload) do op = if streaming do - upload.tempfile - |> ExAws.S3.Upload.stream_file() - |> ExAws.S3.upload(bucket, s3_name, [ - {:acl, :public_read}, - {:content_type, upload.content_type} - ]) + op = + upload.tempfile + |> ExAws.S3.Upload.stream_file() + |> ExAws.S3.upload(bucket, s3_name, [ + {:acl, :public_read}, + {:content_type, upload.content_type} + ]) + + # set s3 upload timeout to respect :upload pool timeout + # timeout should be slightly larger, so s3 can retry upload on fail + timeout = Pleroma.HTTP.AdapterHelper.pool_timeout(:upload) + 1_000 + opts = Keyword.put(op.opts, :timeout, timeout) + Map.put(op, :opts, opts) else {:ok, file_data} = File.read(upload.tempfile)