Class: Datadog::Tracing::Contrib::Sidekiq::ClientTracer

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/datadog/tracing/contrib/sidekiq/client_tracer.rb

Overview

Tracer is a Sidekiq client-side middleware which traces job enqueues/pushes

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ ClientTracer

Returns a new instance of ClientTracer.



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# File 'lib/datadog/tracing/contrib/sidekiq/client_tracer.rb', line 17

def initialize(options = {})
  @sidekiq_service = options[:client_service_name] || configuration[:client_service_name]
end

Instance Method Details

#call(worker_class, job, queue, redis_pool) ⇒ Object

Client middleware arguments are documented here:

https://github.com/mperham/sidekiq/wiki/Middleware#client-middleware



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# File 'lib/datadog/tracing/contrib/sidekiq/client_tracer.rb', line 23

def call(worker_class, job, queue, redis_pool)
  resource = job_resource(job)

  Datadog::Tracing.trace(Ext::SPAN_PUSH, service: @sidekiq_service) do |span, trace_op|
    propagation.inject!(trace_op, job) if configuration[:distributed_tracing]

    span.resource = resource

    span.set_tag(Contrib::Ext::Messaging::TAG_SYSTEM, Ext::TAG_COMPONENT)

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

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

    # Set analytics sample rate
    if Contrib::Analytics.enabled?(configuration[:analytics_enabled])
      Contrib::Analytics.set_sample_rate(span, configuration[:analytics_sample_rate])
    end
    span.set_tag(Ext::TAG_JOB_ID, job['jid'])
    span.set_tag(Ext::TAG_JOB_QUEUE, job['queue'])
    span.set_tag(Ext::TAG_JOB_WRAPPER, job['class']) if job['wrapped']

    yield
  end
end