Simple Schedule

A simple scheduler DSL built around making the lovely rufus-scheduler a bit easier to use in certain situations.

Example

require 'simple_schedule'

class MyJob
  def perform
    puts "running my job!"
  end
end

module Schedule
  extend SimpleSchedule

  once_in '1s', MyJob
  every '5m', MyJob
end

Schedule.run

The available DSL methods are once_in, once_at, every, interval, and cron. For more information on each of these methods, please see the rufus-scheduler gem at https://github.com/jmettraux/rufus-scheduler

once_in and once_at are aliases for in and at in rufus-scheduler respectively.

How you start the schedule is up to you. It's meant to be run in its own process, so you may want to run your schedule in a long-running rake task that you run one and only one of.

Jobs are expected to either respond to the class methods perform_later or perform, or the instance method perform. We'll use them in that order, so this will just work with ActiveJobs, provided the job takes no arguments.

The reason this does not take lambdas is to encourage all work to be done in a background worker instead of in the scheduler. The scheduler's job is purely to enqueue work to be done elsewhere.