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title: About
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<div id="big_logo" class="well"><img src="/images/logo-long.png"></div>
Dynflow (**DYN**amic work**FLOW**) is a workflow engine
written in Ruby that allows to:
- Keep track of the progress of running processes
- Run the code asynchronously
- When something goes wrong, pause the process, optionally let user interact,
resume the process, skip some steps when needed
- Detect independent parts and run them concurrently
- Compose simple actions into more complex scenarios
- Extend the workflows from third-party libraries
- Keep consistency between local transactional database and
external services
- Suspend the long-running steps, not blocking the thread pool
- Cancel steps when possible
- Extend the actions behavior with middlewares
- Pick different adapters to provide: storage backend, transactions, or executor implementation
Dynflow has been developed to be able to support orchestration of services in the
[Katello](http://katello.org) and [Foreman](http://theforeman.org/) projects.
### Planned features
- Define the input/output interface between the building blocks
- Define rollback for the workflow
- Have multiple workers for distributing the load (in progress)
- Migration to [concurrent-ruby](http://concurrent-ruby.com) (in progress)
## Getting started
### Requirements
- Ruby MRI 1.9.3, 2.0, or 2.1.
- JRuby and Rubinius support is on the way.
### Installation
`gem install dynflow`
*TODO*
## Links
- [Github](https://github.com/dynflow/dynflow)
## Current status
## Authors
- [Ivan Nečas](https://github.com/iNecas)
- [Petr Chalupa](http://blog.pitr.ch)
Version data entries
87 entries across 87 versions & 1 rubygems