Module: Instana::Instrumentation::ActiveJob

Defined in:
lib/instana/instrumentation/active_job.rb

Class Method Summary collapse

Class Method Details

.prepended(target) ⇒ Object



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# File 'lib/instana/instrumentation/active_job.rb', line 21

def self.prepended(target)
  target.around_enqueue do |job, block|
    tags = {
      activejob: {
        queue: job.queue_name,
        job: job.class.to_s,
        action: :enqueue,
        job_id: job.job_id
      }
    }

    ::Instana.tracer.in_span(:activejob, attributes: tags) do
      context = ::Instana.tracer.context
      job.arguments.append({
                             instana_context: context ? context.to_hash : nil
                           })

      block.call
    end
  end

  target.around_perform do |job, block|
    tags = {
      activejob: {
        queue: job.queue_name,
        job: job.class.to_s,
        action: :perform,
        job_id: job.job_id
      }
    }
    incoming_context = if job.arguments.is_a?(Array) && job.arguments.last.is_a?(Hash) && job.arguments.last.key?(:instana_context)
                         instana_context = job.arguments.last[:instana_context]
                         job.arguments.pop
                         instana_context ? ::Instana::SpanContext.new(trace_id: instana_context[:trace_id], span_id: instana_context[:span_id]) : nil
                       end
    Trace.with_span(OpenTelemetry::Trace.non_recording_span(incoming_context)) do
      ::Instana.tracer.in_span(:activejob, attributes: tags) do
        block.call
      end
    end
  end
end