Class: Banter::CLI

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/banter/cli.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#pidfile ⇒ Object

Returns the value of attribute pidfile.



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# File 'lib/banter/cli.rb', line 13

def pidfile
  @pidfile
end

#process_name ⇒ Object

Returns the value of attribute process_name.



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# File 'lib/banter/cli.rb', line 13

def process_name
  @process_name
end

#subscribers ⇒ Object

Returns the value of attribute subscribers.



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# File 'lib/banter/cli.rb', line 13

def subscribers
  @subscribers
end

Instance Method Details

#parse(args = ARGV) ⇒ Object

Method to support parsing of arguments passed through the command line



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# File 'lib/banter/cli.rb', line 16

def parse(args = ARGV)
  optparse = OptionParser.new do |opts|
    opts.banner = "Usage: bundle exec start_subscribers [options]"
    opts.on '-P', '--pidfile PATH', "path to pidfile" do |arg|
      @pidfile = arg
    end

    opts.on("-o", "--only [SUBSCRIBERS]", "comma separated name of subsriber classes that should be run") do |subscribers|
      @subscribers = subscribers.split(/\,/)
    end

    opts.on '-r', '--require [PATH|DIR]', "Location of Rails application with workers or file to require" do |arg|
      @require_path = arg
    end

    opts.on '-n', '--name [PROCESS_NAME]', "Name of the process" do |arg|
      @process_name = arg
    end

    opts.on '-v', '--version', "Print version and exit" do
      puts "Banter #{Banter::VERSION}"
      abort
    end
  end

  optparse.parse!(args)
end

#remove_pid ⇒ Object 



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# File 'lib/banter/cli.rb', line 65

def remove_pid
  return unless pidfile
  File.delete(pidfile) if File.exist?(pidfile)
end

#require_path ⇒ Object 



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# File 'lib/banter/cli.rb', line 51

def require_path
  @require_path || "."
end

#run ⇒ Object 



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# File 'lib/banter/cli.rb', line 44

def run
  change_process_name
  load_environment
  write_pidfile
  load_subscribers
end

#subscriber_classes ⇒ Array

Returns array of subscriber classes that will be executed by the CLI

Returns:

  • (Array) —

    returns array of subscriber classes that will be executed by the CLI



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# File 'lib/banter/cli.rb', line 57

def subscriber_classes
  if subscribers.present?
    subscribers.map(&:constantize)
  else
    Banter::Subscriber.class_variable_get(:@@registered_subscribers)
  end
end