Class: Periskop::Rack::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/periskop/rack/middleware.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/periskop/rack/middleware.rb', line 10

def initialize(app, options = {})
  @app = app
  @pushgateway_address = options.fetch(:pushgateway_address)
  options[:collector] ||= Periskop::Client::ExceptionCollector.new
  @collector = options.fetch(:collector)

  @exporter =
    if @pushgateway_address
      @exporter = Periskop::Client::Exporter.new(@collector)
    end
end

Instance Attribute Details

#collector ⇒ Object

Returns the value of attribute collector.



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# File 'lib/periskop/rack/middleware.rb', line 8

def collector
  @collector
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/periskop/rack/middleware.rb', line 22

def call(env)
  begin
    response = @app.call(env)
  rescue Exception => ex
    report_push(env, ex)
    raise(ex)
  end

  maybe_ex = framework_exception(env)
  report_push(env, maybe_ex) if maybe_ex

  response
end