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Raad - Totem

This gem allows you to easily create daemons (also known as servers, services, or background processes) in a project generated with Totem. Both MRI and Jruby are supported.

This is a fork of the Raad gem that is modified for Totem projects. All credit goes to the original project as they did all the hard work.

Changes from the original Raad v0.5.0:

  • Removal of log4j since Totem already has a built in logger.
  • Integration with Totem.
  • Change namespaces so as not to conflict with Raad if both gems are installed.
  • Removal of various command line options and use Totem defaults instead.

Installation

Add this line to your Totem project's Gemfile:

gem 'raad_totem', :require => 'raad_totem/shell_cmds/service'

And then execute:

$ bundle

Usage

Create a new service file service/hello_world_service.rb in the project root directory:

#!/usr/bin/env ruby

require_relative '../config/environment.rb'

require 'raad_totem'

class HelloWorldService
  def self.options_parser(parser, options)
    parser.separator('')
    parser.separator('App Options:')

    parser.on('-c', '--custom', 'Some custom option') {|val| options[:custom] = val }

    return parser
  end

  def start
    Totem.logger.info('Service start.')

    while !RaadTotem.stopped?
      Totem.logger.info('Hello World.')
      sleep 5
    end
  end

  def stop
    Totem.logger.info('Service stop.')
  end
end

Make sure you set executable permissions on your service file:

chmod +x service/hello_world_service.rb

You can run your service in the foreground (press ctrl+c to kill it and wait a few seconds):

./service/hello_world_service.rb start

You can also run your service in the background:

./service/hello_world_service.rb -d start

To stop the background service:

./service/hello_world_service.rb stop

By default, your service will log to a custom log in the log directory. It will also create a PID file in the tmp/pid directory.

To view all available options (including custom ones you define):

./service/hello_world_service.rb --help

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

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Easily create daemons in Totem projects (fork of Raad gem)

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