Module: ThreeScale::Backend::Rack

Defined in:
lib/3scale/backend/rack.rb,
lib/3scale/backend/rack/prometheus.rb,
lib/3scale/backend/rack/exception_catcher.rb,
lib/3scale/backend/rack/internal_error_catcher.rb

Defined Under Namespace

Classes: ExceptionCatcher, InternalErrorCatcher, Prometheus

Class Method Summary collapse

Class Method Details

.run(rack) ⇒ Object 



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# File 'lib/3scale/backend/rack.rb', line 14

def self.run(rack)
  rack.instance_eval do
    use Rack::InternalErrorCatcher if Backend.production?

    Backend::Logging::External.setup_rack self

    # Notice that this cannot be specified via config, it needs to be an
    # ENV because the metric server is started in Puma/Falcon
    # "before_fork" and the configuration is not loaded at that point.
    if ENV['CONFIG_LISTENER_PROMETHEUS_METRICS_ENABLED'].to_s.downcase.freeze == 'true'.freeze
      use Rack::Prometheus
    end

    loggers = Backend.configuration.request_loggers
    log_writers = Backend::Logging::Middleware.writers loggers
    use Backend::Logging::Middleware, writers: log_writers

    map "/internal" do
      require_relative "#{Backend::Util.root_dir}/app/api/api"

      internal_api = Backend::API::Internal.new(
        username: Backend.configuration.internal_api.user,
        password: Backend.configuration.internal_api.password,
        allow_insecure: !Backend.production?
      )

      use ::Rack::Auth::Basic do |username, password|
        internal_api.helpers.check_password username, password
      end if internal_api.helpers.credentials_set?

      run internal_api
    end

    run Backend::Listener.new
  end
end