Module: NewRelic::Agent::Instrumentation::ViewComponent

Included in:
ViewComponent::Prepend
Defined in:
lib/new_relic/agent/instrumentation/view_component/instrumentation.rb

Defined Under Namespace

Modules: Chain, Prepend

Constant Summary collapse

INSTRUMENTATION_NAME = 
NewRelic::Agent.base_name(name)

Instance Method Summary collapse

Instance Method Details

#metric_name(identifier, component) ⇒ Object 



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# File 'lib/new_relic/agent/instrumentation/view_component/instrumentation.rb', line 28

def metric_name(identifier, component)
  "View/#{metric_path(identifier)}/#{component}"
end

#metric_path(identifier) ⇒ Object 



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# File 'lib/new_relic/agent/instrumentation/view_component/instrumentation.rb', line 32

def metric_path(identifier)
  return 'component' unless identifier

  if (parts = identifier.split('/')).size > 1
    parts[-2..-1].join('/') # Get filepath by assuming the Rails' structure: app/components/home/example_component.rb
  else
    NewRelic::Agent::UNKNOWN_METRIC
  end
end

#render_in_with_tracing(*args) ⇒ Object 



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# File 'lib/new_relic/agent/instrumentation/view_component/instrumentation.rb', line 9

def render_in_with_tracing(*args)
  NewRelic::Agent.record_instrumentation_invocation(INSTRUMENTATION_NAME)

  begin
    segment = NewRelic::Agent::Tracer.start_segment(
      name: metric_name(
        self.class.respond_to?(:identifier) ? self.class.identifier : nil,
        self.class.name
      )
    )
    yield
  rescue => e
    NewRelic::Agent.notice_error(e)
    raise
  ensure
    segment&.finish
  end
end