attempt rabbitmq

config/config.exs

@@ -888,6 +888,8 @@
   url: "http://127.0.0.1:5000",
   api_key: nil
 
+config :pleroma, :queue, module: Pleroma.Broadway
+
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.
 import_config "#{Mix.env()}.exs"

lib/mix/tasks/pleroma/queue.ex

@@ -0,0 +1,18 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Mix.Tasks.Pleroma.Queue do
+  use Mix.Task
+
+  import Mix.Pleroma
+
+  def run(["queues"]) do
+    start_pleroma()
+
+    Pleroma.Config.get([Oban, :queues])
+    |> Keyword.keys()
+    |> Enum.join("\n")
+    |> shell_info()
+  end
+end

lib/pleroma/application.ex

@@ -68,11 +68,11 @@ def start(_type, _args) do
       ] ++
         cachex_children() ++
         http_children() ++
+        queue_children() ++
         [
           Pleroma.Stats,
           Pleroma.JobQueueMonitor,
           {Majic.Pool, [name: Pleroma.MajicPool, pool_size: Config.get([:majic_pool, :size], 2)]},
-          {Oban, Config.get(Oban)},
           Pleroma.Web.Endpoint
         ] ++
         elasticsearch_children() ++
@@ -267,4 +267,16 @@ defp http_children do
 
     [{Finch, config}]
   end
+
+  defp queue_children do
+    queue_module = Config.get([:queue, :module])
+
+    case queue_module do
+      Oban ->
+        [{Oban, Config.get(Oban)}]
+
+      Pleroma.Broadway ->
+        Pleroma.Broadway.children()
+    end
+  end
 end

lib/pleroma/broadway.ex

@@ -0,0 +1,93 @@
+defmodule Pleroma.Broadway do
+  use Broadway
+  alias Broadway.Message
+  require Logger
+
+  @queue "akkoma"
+
+  def start_link(_args) do
+    Broadway.start_link(__MODULE__,
+      name: __MODULE__,
+      producer: [
+        module:
+          {BroadwayRabbitMQ.Producer,
+           queue: @queue,
+           declare: [
+             durable: true,
+             auto_delete: false
+           ],
+            on_failure: :reject_and_requeue
+        }
+      ],
+      processors: [
+        default: [
+          concurrency: 10
+        ]
+      ],
+      batchers: [
+        default: [
+          batch_size: 10,
+          batch_timeout: 100,
+          concurrency: 10
+        ]
+      ]
+    )
+  end
+
+  @impl true
+  def handle_message(_, %Message{data: data} = message, _) do
+    with {:ok, data} <- Jason.decode(data),
+         {module, data} <- Map.pop(data, "__module__"),
+         module <- String.to_existing_atom(module),
+         :ok <- perform_message(module, data) do
+      Logger.debug("Received message: #{inspect(data)}")
+      message
+    else
+      err ->
+        IO.inspect(err)
+        Message.failed(message, err)
+    end
+  end
+
+  defp perform_message(module, args) do
+    IO.inspect(args)
+    case module.perform(%Oban.Job{args: args}) do
+      :ok ->
+        :ok
+
+      {:ok, _} ->
+        :ok
+
+      err ->
+        err
+    end
+  end
+
+  @impl true
+  def handle_batch(_, batch, _, _) do
+    batch
+  end
+
+  @impl true
+  def handle_failed(messages, _) do
+    Logger.error("Failed messages: #{inspect(messages)}")
+    messages
+  end
+
+  def topics do
+    Pleroma.Config.get([Oban, :queues])
+    |> Keyword.keys()
+  end
+
+  def children do
+    [Pleroma.Broadway]
+  end
+
+  def produce(topic, args) do
+    IO.puts("Producing message on #{topic}: #{inspect(args)}")
+    {:ok, connection} = AMQP.Connection.open()
+    {:ok, channel} = AMQP.Channel.open(connection)
+    AMQP.Basic.publish(channel, "", @queue, args)
+    AMQP.Connection.close(connection)
+  end
+end

lib/pleroma/workers/publisher_worker.ex

@@ -15,6 +15,7 @@ def backoff(%Job{attempt: attempt}) when is_integer(attempt) do
   @impl Oban.Worker
   def perform(%Job{args: %{"op" => "publish", "activity_id" => activity_id, "object_data" => nil}}) do
     activity = Activity.get_by_id(activity_id)
+    IO.inspect(activity)
     Federator.perform(:publish, activity)
   end
 

lib/pleroma/workers/worker_helper.ex

@@ -25,7 +25,10 @@ def sidekiq_backoff(attempt, pow \\ 4, base_backoff \\ 15) do
   defmacro __using__(opts) do
     caller_module = __CALLER__.module
     queue = Keyword.fetch!(opts, :queue)
+    queue_system = Config.get([:queue, :module])
 
+    case queue_system do
+      Oban ->
         quote do
           # Note: `max_attempts` is intended to be overridden in `new/2` call
           use Oban.Worker,
@@ -50,5 +53,27 @@ def timeout(_job) do
             Config.get([:workers, :timeout, queue_atom], :timer.minutes(1))
           end
         end
+
+      Pleroma.Broadway ->
+        quote do
+          @topic unquote(queue)
+          use Oban.Worker,
+            queue: unquote(queue),
+            max_attempts: 1
+
+          alias Oban.Job
+
+          def enqueue(op, params, worker_args \\ []) do
+            worker = to_string(__MODULE__)
+
+            params =
+              params
+              |> Map.put("__module__", worker)
+              |> Map.put("op", op)
+
+            Pleroma.Broadway.produce(unquote(queue), Jason.encode!(params))
+          end
+        end
+    end
   end
 end

mix.exs

@@ -190,6 +190,8 @@ defp deps do
        git: "https://akkoma.dev/AkkomaGang/mfm-parser.git",
        ref: "912fba81152d4d572e457fd5427f9875b2bc3dbe"},
       {:poison, ">= 0.0.0"},
+      {:broadway, "~> 1.0"},
+      {:broadway_rabbitmq, "~> 0.7"},
 
       ## dev & test
       {:ex_doc, "~> 0.22", only: :dev, runtime: false},