Module: OpenTelemetry::Instrumentation::ActiveJob::Patches::ActiveJobCallbacks

Defined in:
lib/opentelemetry/instrumentation/active_job/patches/active_job_callbacks.rb

Overview

Module to prepend to ActiveJob::Base for instrumentation.

Class Method Summary collapse

Class Method Details

.prepended(base) ⇒ Object

rubocop:disable Metrics/AbcSize, Metrics/MethodLength, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity



13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
 
# File 'lib/opentelemetry/instrumentation/active_job/patches/active_job_callbacks.rb', line 13

def self.prepended(base) # rubocop:disable Metrics/AbcSize, Metrics/MethodLength, Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
  base.class_eval do # rubocop:disable Metrics/BlockLength
    around_enqueue do |job, block|
      span_kind = job.class.queue_adapter_name == 'inline' ? :client : :producer
      span_name = "#{otel_config[:span_naming] == :job_class ? job.class : job.queue_name} send"
      span_attributes = job_attributes(job)
      otel_tracer.in_span(span_name, attributes: span_attributes, kind: span_kind) do
        OpenTelemetry.propagation.inject(job.metadata)
        block.call
      end
    end

    around_perform do |job, block| # rubocop:disable Metrics/BlockLength
      span_kind = job.class.queue_adapter_name == 'inline' ? :server : :consumer
      span_name = "#{otel_config[:span_naming] == :job_class ? job.class : job.queue_name} process"
      span_attributes = job_attributes(job).merge('messaging.operation' => 'process')

      extracted_context = OpenTelemetry.propagation.extract(job.metadata)
      OpenTelemetry::Context.with_current(extracted_context) do
        if otel_config[:propagation_style] == :child
          otel_tracer.in_span(span_name, attributes: span_attributes, kind: span_kind) do |span|
            span.set_attribute('messaging.active_job.executions', job.executions)
            block.call
          end
        else
          span_links = []
          if otel_config[:propagation_style] == :link
            span_context = OpenTelemetry::Trace.current_span(extracted_context).context
            span_links << OpenTelemetry::Trace::Link.new(span_context) if span_context.valid?
          end

          root_span = otel_tracer.start_root_span(span_name, attributes: span_attributes, links: span_links, kind: span_kind)
          OpenTelemetry::Trace.with_span(root_span) do |span|
            span.set_attribute('messaging.active_job.executions', job.executions)
            block.call
          rescue Exception => e # rubocop:disable Lint/RescueException
            span.record_exception(e)
            span.status = OpenTelemetry::Trace::Status.error("Unhandled exception of type: #{e.class}")
            raise e
          ensure
            root_span.finish
          end
        end
      end
    ensure
      # We may be in a job system (eg: resque) that forks and kills worker processes often.
      # We don't want to lose spans by not flushing any span processors, so we optionally force it here.
      OpenTelemetry.tracer_provider.force_flush if otel_config[:force_flush]
    end
  end
end