Module: StackServiceBase

Defined in:
lib/version.rb,
lib/stack-service-base.rb

Defined Under Namespace

Classes: Base

Class Method Summary collapse

Class Method Details

.rack_setup(app) ⇒ Object 



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# File 'lib/stack-service-base.rb', line 3

def rack_setup app
  # skip if called within Rspec task
  # TODO: warn if called not within Rspec task but with a wrong app class
  return unless app.respond_to? :use

  app.instance_eval do
    if ENV.fetch('PROMETHEUS_METRICS_EXPORT', 'true') == 'true'
      require 'stack-service-base/prometheus'

      # use Rack::Deflater
      use Prometheus::Middleware::Collector
      use Prometheus::Middleware::Exporter
    end
  end
end