Module: OpenTelemetry::Instrumentation::RubyKafka::Patches::Consumer

Defined in:
lib/opentelemetry/instrumentation/ruby_kafka/patches/consumer.rb

Overview

The Consumer module contains the instrumentation patch for the Consumer class

Instance Method Summary collapse

Instance Method Details

#each_batch(min_bytes: 1, max_bytes: 10_485_760, max_wait_time: 1, automatically_mark_as_processed: true) ⇒ Object

rubocop:disable Metrics/AbcSize



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# File 'lib/opentelemetry/instrumentation/ruby_kafka/patches/consumer.rb', line 37

def each_batch(min_bytes: 1, max_bytes: 10_485_760, max_wait_time: 1, automatically_mark_as_processed: true) # rubocop:disable Metrics/AbcSize
  super do |batch|
    attributes = {
      'messaging.system' => 'kafka',
      'messaging.destination' => batch.topic,
      'messaging.destination_kind' => 'topic',
      'messaging.kafka.partition' => batch.partition,
      'messaging.kafka.offset_lag' => batch.offset_lag,
      'messaging.kafka.highwater_mark_offset' => batch.highwater_mark_offset,
      'messaging.kafka.message_count' => batch.messages.count
    }

    links = batch.messages.map do |message|
      span_context = OpenTelemetry::Trace.current_span(OpenTelemetry.propagation.extract(message.headers)).context
      OpenTelemetry::Trace::Link.new(span_context) if span_context.valid?
    end
    links.compact!

    tracer.in_span("#{batch.topic} process", attributes: attributes, links: links, kind: :consumer) do
      yield batch
    end
  end
end

#each_message(min_bytes: 1, max_bytes: 10_485_760, max_wait_time: 1, automatically_mark_as_processed: true) ⇒ Object 



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# File 'lib/opentelemetry/instrumentation/ruby_kafka/patches/consumer.rb', line 13

def each_message(min_bytes: 1, max_bytes: 10_485_760, max_wait_time: 1, automatically_mark_as_processed: true)
  super do |message|
    attributes = {
      'messaging.system' => 'kafka',
      'messaging.destination' => message.topic,
      'messaging.destination_kind' => 'topic',
      'messaging.kafka.partition' => message.partition,
      'messaging.kafka.offset' => message.offset
    }

    attributes['messaging.kafka.message_key'] = message.key if message.key

    parent_context = OpenTelemetry.propagation.extract(message.headers)
    span_context = OpenTelemetry::Trace.current_span(parent_context).context
    links = [OpenTelemetry::Trace::Link.new(span_context)] if span_context.valid?

    OpenTelemetry::Context.with_current(parent_context) do
      tracer.in_span("#{message.topic} process", links: links, attributes: attributes, kind: :consumer) do
        yield message
      end
    end
  end
end