Class: Datadog::Tracing::Contrib::Shoryuken::Tracer

Inherits:
Object
  • Object
show all
Defined in:
lib/datadog/tracing/contrib/shoryuken/tracer.rb

Overview

Tracer is a Shoryuken server-side middleware which traces executed jobs

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Tracer

Returns a new instance of Tracer.



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# File 'lib/datadog/tracing/contrib/shoryuken/tracer.rb', line 11

def initialize(options = {})
  @shoryuken_service = options[:service_name] || configuration[:service_name]
  @error_handler = options[:error_handler] || configuration[:error_handler]
end

Instance Method Details

#call(worker_instance, queue, sqs_msg, body) ⇒ Object 



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# File 'lib/datadog/tracing/contrib/shoryuken/tracer.rb', line 16

def call(worker_instance, queue, sqs_msg, body)
  Tracing.trace(
    Ext::SPAN_JOB,
    service: @shoryuken_service,
    span_type: Tracing::Metadata::Ext::AppTypes::TYPE_WORKER,
    on_error: @error_handler
  ) do |span|
    span.set_tag(Contrib::Ext::Messaging::TAG_SYSTEM, Ext::TAG_MESSAGING_SYSTEM)

    span.set_tag(Tracing::Metadata::Ext::TAG_COMPONENT, Ext::TAG_COMPONENT)
    span.set_tag(Tracing::Metadata::Ext::TAG_OPERATION, Ext::TAG_OPERATION_JOB)

    # Set analytics sample rate
    if Contrib::Analytics.enabled?(configuration[:analytics_enabled])
      Contrib::Analytics.set_sample_rate(span, configuration[:analytics_sample_rate])
    end

    # Measure service stats
    Contrib::Analytics.set_measured(span)

    span.resource = resource(worker_instance, body)
    span.set_tag(Ext::TAG_JOB_ID, sqs_msg.message_id)
    span.set_tag(Ext::TAG_JOB_QUEUE, queue)
    span.set_tag(Ext::TAG_JOB_ATTRIBUTES, sqs_msg.attributes) if sqs_msg.respond_to?(:attributes)
    span.set_tag(Ext::TAG_JOB_BODY, body) if configuration[:tag_body]

    span.set_tag(Tracing::Metadata::Ext::TAG_KIND, Tracing::Metadata::Ext::SpanKind::TAG_CONSUMER)

    yield
  end
end