Class: RailsAutoscaleAgent::Reporter

Inherits:
Object
  • Object
show all
Includes:
Logger, Singleton
Defined in:
lib/rails_autoscale_agent/reporter.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Logger

#logger

Class Method Details

.start(config, store) ⇒ Object 



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# File 'lib/rails_autoscale_agent/reporter.rb', line 14

def self.start(config, store)
  instance.start!(config, store) unless instance.started?
end

Instance Method Details

#start!(config, store) ⇒ Object 



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# File 'lib/rails_autoscale_agent/reporter.rb', line 18

def start!(config, store)
  @started = true
  @worker_adapters = config.worker_adapters.select(&:enabled?)
  @dyno_num = config.dyno.to_s.split('.').last.to_i

  if !config.api_base_url && !config.dev_mode?
    logger.info "Reporter not started: #{config.addon_name}_URL is not set"
    return
  end

  Thread.new do
    loop do
      register!(config, @worker_adapters) unless @registered

      # Stagger reporting to spread out reports from many processes
      multiplier = 1 - (rand / 4) # between 0.75 and 1.0
      sleep config.report_interval * multiplier

      # It's redundant to report worker metrics from every web dyno, so only report from web.1
      if @dyno_num == 1
        @worker_adapters.map do |adapter|
          report_exceptions(config) { adapter.collect!(store) }
        end
      end

      report_exceptions(config) { report!(config, store) }
    end
  end
end

#started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rails_autoscale_agent/reporter.rb', line 48

def started?
  @started
end