Effective Rails Instrumentation

Transcript

1. Effective Rails Instrumentation
2. André Luís Anastácio Desenvolvedor Twitter / Github - ndrluis
4. Belo Horizonte
6. Use New Relic, Papertrail e Rollbar.
7. Use New Relic, Papertrail e Rollbar. Duvidas?
11. Testar não é negociável
12. Mensurar/Instrumentar não deveria ser negociável
14. Exemplo E-commerce
15. class PaymentService def initialize(order) @order = order end def pay response = ExternalPaymentStuff.pay(order) if response.success? @order.pay! else fail SomePaymentError, response.error_message end end end
16. ActiveSupport::TaggedLogging
17. class PaymentService def initialize(order) @order = order end def pay logger.tagged(order_tag, client_tag) do response = ExternalPaymentStuff.pay(order) if response.success? order.pay! else logger.error(response.body) fail SomePaymentError, response.error_message end end end private attr_accessor :order def logger @logger ||= Rails.logger end def order_tag "ORDER ##{order.id}" end def client_tag "CLIENT ##{order.client_id}" end end
18. Serviço de Terceiros Rollbar
19. class PaymentService def initialize(order) @order = order end def pay response = ExternalPaymentStuff.pay(order) if response.success? order.pay! else Rollbar.error('PaymentError', response_body: response.body, order_id: order.id) fail SomePaymentError, response.error_message end end private attr_accessor :order end
24. Como escolher entre TaggedLogging e Rollbar?
25. Facilitar a reprodução do Erro
26. BONUS STAGE
27. BONUS STAGE Performance
34. Obrigado!