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RExec is a tool for executing ruby processes and code both locally and remotely.

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README.md

RExec

RExec stands for Remote Execute and provides support for executing processes both locally and remotely. It provides a number of different tools to assist with running Ruby code:

  • A framework to send Ruby code to a remote server for execution.
  • A framework for writing command line daemons (i.e. start, restart, stop, status).
  • A comprehensive Task class for launching tasks, managing input and output, exit status, etc.
  • Basic privilege management code for changing the processes owner.
  • A bunch of helpers for various different things (such as reading a file backwards).
  • daemon-exec executable for running regular shell tasks in the background.

For more information please see the project page.

Installation

Add this line to your application's Gemfile:

gem 'rexec'

And then execute:

$ bundle

Or install it yourself as:

$ gem install rexec

Usage

Comprehensive process management

RExec::Task provides a comprehensive wrapper for low level process execution and life-cycle management. You can easy spawn new child processes, background processes and execute Ruby code in a child instance.

Light weight bi-directional communication

The RExec::Connection provides a simple process based API for communicating with distant instances of Ruby. These can either be local or remote, such as over SSH.

Simple daemonization

The RExec::Daemon module provides the foundation to develop long-running background processes. Simply create a daemon class which inherits from RExec::Daemon::Base and you can have a fully featured background daemon with the standard command line interface, e.g. start, restart, status and stop.

Along with this, a executable is included called daemon-exec which allows for any standard shell script to be run as a background process.

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

License

Released under the MIT license.

Copyright, 2012, by Samuel G. D. Williams.

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.

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