Method: Datadog::Tracing::Contrib::Rails::ExceptionMiddleware#call

Defined in:
lib/datadog/tracing/contrib/rails/middlewares.rb

#call(env) ⇒ Object 



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# File 'lib/datadog/tracing/contrib/rails/middlewares.rb', line 18

def call(env)
  @app.call(env)
# rubocop:disable Lint/RescueException
# Here we really want to catch *any* exception, not only StandardError,
# as we really have no clue of what is in the block,
# and it is user code which should be executed no matter what.
# It's not a problem since we re-raise it afterwards so for example a
# SignalException::Interrupt would still bubble up.
rescue Exception => e
  span = Tracing.active_span
  if !span.nil? && ActionPack::Utils.exception_is_error?(e)
    # By default, only 5XX exceptions are actually errors (e.g. don't flag 404s).
    # This can be changed by setting `DD_TRACE_HTTP_SERVER_ERROR_STATUSES` environment variable.
    # You can add custom errors via `config.action_dispatch.rescue_responses`
    span.set_error(e)

    # Some exception gets handled by Rails middleware before it can be set on Rack middleware
    # The rack span is the root span of the request and should make sure it has the full exception
    # set on it.
    env[Contrib::Rack::Ext::RACK_ENV_REQUEST_SPAN]&.set_error(e)
  end
  raise e
end