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Submit jobs to and receive jobs from other Laravel or Lumen instances

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Remote Queue

Submit jobs to and receive jobs from other Laravel or Lumen instances.

Build Status

Installation

composer require biigle/laravel-remote-queue

Laravel

The service provider is auto-discovered by Laravel.

Lumen

Add $app->register(Biigle\RemoteQueue\RemoteQueueServiceProvider::class); to bootstrap/app.php.

Usage

This package can be used to submit queued jobs to another Laravel or Lumen application, receive jobs from another application or both.

Receive jobs

By default, this package does not allow receiving of jobs from another application. To allow this, set the remote-queue.listen configuration to true. Tokens are used to authenticate incoming requests. A token is just some long random string in this case. Configure remote-queue.accept-tokens with all tokens that are accepted. All received jobs which are successfully authenticated are pushed to a "regular" queue of this application and processed by the queue worker.

Important: Make sure that the job class exists in both the submitting and receiving application.

Submit jobs

Jobs pushed to the remote queue are transmitted via HTTP and processed on another application. To use the remote queue, configure a queue connection in the queue.connections config to use the remote driver. Example:

[
   'driver' => 'remote',
   // Default queue of the remote host to push jobs to.
   'queue' => 'default',
   // The remote queue API endpoint of the remote host. Don't forget the trailing slash!
   'url' => 'http://192.168.100.100/api/v1/remote-queue/',
   // Token to use for authentication on the remote host.
   'token' => 'IoO2l7UKZfso5zQloF2XvAShEbAR5a9M8u+WBfg0HgI=',
   // Optional additional request options for the GuzzleHttp client.
   'request_options' => [],
]

You can now dispatch jobs to the remote queue connection just like any other connection.

use App\Jobs\MyJob;

MyJob::dispatch($data)->onConnection('remote');

Submit/Response Pattern

We developed this package to be able to process jobs on a remote machine with GPU. To return the computed results, we applied what we call the "submit/response" pattern.

In this pattern, this package is installed on both Laravel/Lumen instances (let's call them A and B). In instance A, the remote queue is configured to push jobs to instance B (the one with the GPU). In instance B, the remote queue is configured to push jobs to instance A. New GPU jobs are submitted from instance A to the remote queue on instance B. Once the results are computed, they are returned as a "response job" to the remote queue on instance A where the results can be further processed.

Configuration

You can override any of these configuration options of the remote-queue config either directly or via environment variables:

remote-queue.listen

Default: false Environment: REMOTE_QUEUE_LISTEN

Accept and process jobs sent to this application instance.

remote-queue.endpoint

Default: api/v1/remote-queue Environment: REMOTE_QUEUE_ENDPOINT

API endpoint to receive new jobs.

remote-queue.connection

Default: null Environment: REMOTE_QUEUE_CONNECTION

Use this queue connection to process received jobs. If null, the default connection is used.

remote-queue.accept_tokens

Default: [] Environment: REMOTE_QUEUE_ACCEPT_TOKENS

Accept jobs only if they provide one of these tokens. Specify tokens as comma separated list if you use the environment variable. One way to generate tokens is this command: head -c 32 /dev/urandom | base64.

remote-queue.accept_ips

Default: []

Accept requests only from the IP addresses of this whitelist. Leave empty to accept jobs from all IPs.

remote-queue.accept_jobs

Default: []

Accept only jobs of this whitelist of class names. Leave empty to accept all job classes.