Module: Tremolo::ExceptionTracking

Defined in:
lib/tremolo/exception_tracking.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(controller) ⇒ Object 



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# File 'lib/tremolo/exception_tracking.rb', line 4

def self.included(controller)
  controller.rescue_from ::Exception,
    with: :track_exception_with_tremolo_and_raise
end

Instance Method Details

#backtrace_location(exception) ⇒ Object 



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# File 'lib/tremolo/exception_tracking.rb', line 19

def backtrace_location(exception)
  if exception.respond_to?(:backtrace_locations)
    if location = (exception.backtrace_locations || []).first

      {
        path: location.path,
        line: location.lineno
      }
    else
      {}
    end
  else
    {}
  end
end

#backtrace_tags(exception) ⇒ Object 



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# File 'lib/tremolo/exception_tracking.rb', line 13

def backtrace_tags(exception)
  {
    name: exception.class.name
  }.merge!(backtrace_location(exception))
end

#track_exception_with_tremolo(exception) ⇒ Object 



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# File 'lib/tremolo/exception_tracking.rb', line 9

def track_exception_with_tremolo(exception)
  tracker.increment('exception', backtrace_tags(exception))
end

#track_exception_with_tremolo_and_raise(exception) ⇒ Object 



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# File 'lib/tremolo/exception_tracking.rb', line 35

def track_exception_with_tremolo_and_raise(exception)
  track_exception_with_tremolo(exception)

  # re-raise the exception as normal
  raise exception
end