Module: Sidekiq::HerokuAutoscale

Defined in:
lib/sidekiq/heroku_autoscale.rb,
lib/sidekiq/heroku_autoscale/process.rb,
lib/sidekiq/heroku_autoscale/version.rb,
lib/sidekiq/heroku_autoscale/heroku_app.rb,
lib/sidekiq/heroku_autoscale/middleware.rb,
lib/sidekiq/heroku_autoscale/queue_system.rb,
lib/sidekiq/heroku_autoscale/poll_interval.rb,
lib/sidekiq/heroku_autoscale/web_extension.rb,
lib/sidekiq/heroku_autoscale/scale_strategy.rb

Defined Under Namespace

Modules: WebExtension Classes: HerokuApp, Middleware, PollInterval, Process, QueueSystem, ScaleStrategy

Constant Summary collapse

VERSION = 
'0.0.1'

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.exception_handler ⇒ Object 



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# File 'lib/sidekiq/heroku_autoscale.rb', line 58

def exception_handler
  @exception_handler ||= lambda { |ex|
    p ex
    puts ex.backtrace
  }
end

Class Method Details

.app ⇒ Object 



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# File 'lib/sidekiq/heroku_autoscale.rb', line 13

def app
  @app
end

.init(options) ⇒ Object 



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# File 'lib/sidekiq/heroku_autoscale.rb', line 17

def init(options)
  options = options.transform_keys(&:to_sym)
  @app = HerokuApp.new(options)

  ::Sidekiq.logger.warn('Heroku platform API is not configured for Sidekiq::HerokuAutoscale') unless @app.live?

  # configure sidekiq queue server
  ::Sidekiq.configure_server do |config|
    config.on(:startup) do
      dyno_name = ENV['DYNO']
      next unless dyno_name

      process = @app.process_by_name(dyno_name.split('.').first)
      next unless process

      process.ping!
    end

    config.server_middleware do |chain|
      chain.add(Middleware, @app)
    end

    # for jobs that queue other jobs...
    config.client_middleware do |chain|
      chain.add(Middleware, @app)
    end
  end

  # configure sidekiq app client
  ::Sidekiq.configure_client do |config|
    config.client_middleware do |chain|
      chain.add(Middleware, @app)
    end
  end

  # immedaitely wake all processes during client launch
  @app.ping! unless ::Sidekiq.server?

  @app
end