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.



17
18
19
 
# 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



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
 
# 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|
    if Tracing::Distributed::PropagationPolicy.enabled?(
      global_config: configuration,
      trace: trace_op
    )
      Sidekiq.inject(trace_op, job)
    end

    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