class Sentry::Rails::LogSubscribers::ActionControllerSubscriber

end
config.rails.structured_logging.subscribers = { action_controller: Sentry::Rails::LogSubscribers::ActionControllerSubscriber }
config.rails.structured_logging = true
config.enable_logs = true
Sentry.init do |config|
# Enable structured logging for ActionController
@example Usage
request parameters, and performance metrics.
with relevant request information including controller, action, HTTP status,
This subscriber captures process_action.action_controller events and formats them
and logs them using Sentry’s structured logging system.
LogSubscriber for ActionController events that captures HTTP request processing

def extract_status(payload) 

def extract_status(payload)
  if payload[:status]
    payload[:status]
  elsif payload[:exception]
    case payload[:exception].first
    when "ActionController::RoutingError"
      404
    when "ActionController::BadRequest"
      400
    else
      500
    end
  end
end

def level_for_request(payload) 

def level_for_request(payload)
  status = payload[:status]
  # In Rails < 6.0 status is not set when an action raised an exception
  if status.nil? && payload[:exception]
    case payload[:exception].first
    when "ActionController::RoutingError"
      :warn
    when "ActionController::BadRequest"
      :warn
    else
      :error
    end
  elsif status.nil?
    :info
  elsif status >= 200 && status < 400
    :info
  elsif status >= 400 && status < 500
    :warn
  elsif status >= 500
    :error
  else
    :info
  end
end

def process_action(event)

Parameters:
  • event (ActiveSupport::Notifications::Event) -- The controller action event 
def process_action(event)
  return unless Sentry.initialized?
  payload = event.payload
  controller = payload[:controller]
  action = payload[:action]
  status = extract_status(payload)
  attributes = {
    controller: controller,
    action: action,
    duration_ms: duration_ms(event),
    method: payload[:method],
    path: payload[:path],
    format: payload[:format]
  }
  attributes[:status] = status if status
  if payload[:view_runtime]
    attributes[:view_runtime_ms] = payload[:view_runtime].round(2)
  end
  if payload[:db_runtime]
    attributes[:db_runtime_ms] = payload[:db_runtime].round(2)
  end
  if Sentry.configuration.send_default_pii && payload[:params]
    filtered_params = filter_sensitive_params(payload[:params])
    attributes[:params] = filtered_params unless filtered_params.empty?
  end
  level = level_for_request(payload)
  message = "#{controller}##{action}"
  log_structured_event(
    message: message,
    level: level,
    attributes: attributes
  )
end