Project

cloudist

0.05
No release in over 3 years
Low commit activity in last 3 years
Cloudist is a simple, highly scalable job queue for Ruby applications, it can run within Rails, DaemonKit or your own custom application. Refer to github page for examples
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 Dependencies

Development

~> 1.6.4
~> 1.2.8
~> 2.1.0
~> 2.4.0

Runtime

~> 0.8.1
>= 0
>= 0
~> 1.4
>= 0
 Project Readme

This was an experiment, it's no longer maintained. Go learn Elixir/Phoenix :)


Cloudist

Cloudist is a simple, highly scalable job queue for Ruby applications, it can run within Rails, DaemonKit or your own custom application. Cloudist uses AMQP (RabbitMQ mainly) for transport and provides a simple DSL for queuing jobs and receiving responses including logs, exceptions and job progress.

Cloudist can be used to distribute long running tasks such as encoding a video, generating PDFs, scraping site data or even just sending emails. Unlike other job queues (DelayedJob etc) Cloudist does not load your entire Rails stack into memory for every worker, and it is not designed to, instead it expects all the data your worker requires to complete a job to be sent in the initial job request. This means your workers stay slim and can scale very quickly and even run on EC2 micros outside your applications environment without any further configuration.

Installation

gem install cloudist

Or if your app has a Gemfile:

gem 'cloudist', '~> 0.4.4'

Usage

Refer to examples.

Configuration

The only configuration required to get going are the AMQP settings, these can be set in two ways:

  1. Using the AMQP_URL environment variable with value of amqp://username:password@localhost:5672/vhost

  2. Updating the settings hash manually:

Cloudist.settings = {:user => 'guest', :pass => 'password', :vhost => '/', :host => 'localhost', :port => 5672}

Now and what's coming

Cloudist was developed to provide the messaging layer used within TestPilot Continuous Integration service.

TestPilot still uses Cloudist heavily and a number of features will be merged in soon.

Acknowledgements

Portions of this gem are based on code from the following projects:

  • Heroku's Droid gem
  • Lizzy
  • Minion

Contributing to Cloudist

  • Check out the latest master to make sure the feature hasn't been implemented or the bug hasn't been fixed yet
  • Check out the issue tracker to make sure someone already hasn't requested it and/or contributed it
  • Fork the project
  • Start a feature/bugfix branch e.g. git checkout -b feature-my-awesome-idea or bugfix-this-does-not-work
  • Commit and push until you are happy with your contribution
  • Make sure to add tests for it. This is important so I don't break it in a future version unintentionally.
  • Please try not to mess with the Rakefile, version, or history. If you want to have your own version, or is otherwise necessary, that is fine, but please isolate to its own commit so I can cherry-pick around it.

Authors

IvanVanderbyl - Blog

Copyright

Copyright (c) 2011 Ivan Vanderbyl.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.