Class: Cron::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/app/jobs/cron/command.rb

Overview

Provide a friendly command structure for managing the cron server

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ Command

Initialize the command



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# File 'lib/app/jobs/cron/command.rb', line 20

def initialize(args)
  @options = { pid_dir: "#{root}/tmp/pids", log_dir: "#{root}/log", monitor: false }

  opts = OptionParser.new do |opt|
    opt.banner = "Usage: #{File.basename($PROGRAM_NAME)} [options] start|stop|restart|run"

    opt.on('-h', '--help', 'Show this message') do
      warn opt
      exit 1
    end
    opt.on('-e', '--environment=NAME', 'Specifies the environment to run this delayed jobs under (test/development/production).') do
      warn 'The -e/--environment option has been deprecated and has no effect. Use RAILS_ENV and see http://github.com/collectiveidea/delayed_job/issues/7'
    end
    opt.on('--pid-dir=DIR', 'Specifies an alternate directory in which to store the process ids.') do |dir|
      @options[:pid_dir] = dir
    end
    opt.on('--log-dir=DIR', 'Specifies an alternate directory in which to store the delayed_job log.') do |dir|
      @options[:log_dir] = dir
    end
    opt.on('-m', '--monitor', 'Start monitor process.') do
      @options[:monitor] = true
    end
    opt.on('--exit-on-complete', 'Exit when no more jobs are available to run. This will exit if all jobs are scheduled to run in the future.') do
      @options[:exit_on_complete] = true
    end
    opt.on('--daemon-options a, b, c', Array, 'options to be passed through to daemons gem') do |daemon_options|
      @daemon_options = daemon_options
    end
  end
  @args = opts.parse!(args) + (@daemon_options || [])
end

Instance Method Details

#daemonize ⇒ Object

Start the background loop



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# File 'lib/app/jobs/cron/command.rb', line 55

def daemonize
  dir = @options[:pid_dir]
  FileUtils.mkdir_p(dir) unless File.exist?(dir)

  Cron::JobTab.ensure_cron_tabs
  Daemons.run_proc('cron_server', dir: @options[:pid_dir], monitor: @options[:monitor], ARGV: @args) do
    loop { sleep Cron::Server.find_or_create_server.execute }
  end
end