Class: Datadog::Tracing::Contrib::DelayedJob::Plugin

Inherits:
Delayed::Plugin
  • Object
show all
Defined in:
lib/datadog/tracing/contrib/delayed_job/plugin.rb

Overview

DelayedJob plugin that instruments invoke_job hook

Class Method Summary collapse

Class Method Details

.configuration ⇒ Object 



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# File 'lib/datadog/tracing/contrib/delayed_job/plugin.rb', line 80

def self.configuration
  Datadog.configuration.tracing[:delayed_job]
end

.flush(worker) {|worker| ... } ⇒ Object

Yields:

  • (worker) 


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# File 'lib/datadog/tracing/contrib/delayed_job/plugin.rb', line 74

def self.flush(worker, &block)
  yield worker

  Tracing.shutdown! if Tracing.enabled?
end

.instrument_enqueue(job, &block) ⇒ Object 



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# File 'lib/datadog/tracing/contrib/delayed_job/plugin.rb', line 46

def self.instrument_enqueue(job, &block)
  return yield(job) unless Tracing.enabled?

  Tracing.trace(
    Ext::SPAN_ENQUEUE,
    service: configuration[:client_service_name],
    resource: job_name(job)
  ) do |span|
    set_sample_rate(span)

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

    span.set_tag(Ext::TAG_QUEUE, job.queue) if job.queue
    span.set_tag(Ext::TAG_PRIORITY, job.priority)
    span.type = Tracing::Metadata::Ext::AppTypes::TYPE_WORKER

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

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

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

    yield job
  end
end

.instrument_invoke(job, &block) ⇒ Object 



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# File 'lib/datadog/tracing/contrib/delayed_job/plugin.rb', line 15

def self.instrument_invoke(job, &block)
  return yield(job) unless Tracing.enabled?

  Tracing.trace(
    Ext::SPAN_JOB,
    service: configuration[:service_name],
    resource: job_name(job),
    on_error: configuration[:on_error]
  ) do |span|
    set_sample_rate(span)

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

    span.set_tag(Ext::TAG_ID, job.id)
    span.set_tag(Ext::TAG_QUEUE, job.queue) if job.queue
    span.set_tag(Ext::TAG_PRIORITY, job.priority)
    span.set_tag(Ext::TAG_ATTEMPTS, job.attempts)
    span.type = Tracing::Metadata::Ext::AppTypes::TYPE_WORKER

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

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

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

    yield job
  end
end

.job_name(job) ⇒ Object 



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# File 'lib/datadog/tracing/contrib/delayed_job/plugin.rb', line 84

def self.job_name(job)
  # When DelayedJob is used through ActiveJob, we need to parse the payload differentely
  # to get the actual job name
  return job.payload_object.job_data['job_class'] if job.payload_object.respond_to?(:job_data)

  job.name
end

.set_sample_rate(span) ⇒ Object 



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# File 'lib/datadog/tracing/contrib/delayed_job/plugin.rb', line 92

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