Class: Datadog::Tracing::Contrib::Que::Tracer

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

Overview

Tracer is a Que’s server-side middleware which traces executed jobs

Instance Method Summary collapse

Instance Method Details

#call(job) ⇒ Object 



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/datadog/tracing/contrib/que/tracer.rb', line 11

def call(job)
  trace_options = {
    service: configuration[:service_name],
    span_type: Tracing::Metadata::Ext::AppTypes::TYPE_WORKER,
    on_error: configuration[:error_handler]
  }

  Tracing.trace(Ext::SPAN_JOB, **trace_options) do |request_span|
    request_span.set_tag(Contrib::Ext::Messaging::TAG_SYSTEM, Ext::TAG_COMPONENT)

    request_span.resource = job.class.name.to_s

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

    request_span.set_tag(Ext::TAG_JOB_QUEUE, job.que_attrs[:queue])
    request_span.set_tag(Ext::TAG_JOB_ID, job.que_attrs[:id])
    request_span.set_tag(Ext::TAG_JOB_PRIORITY, job.que_attrs[:priority])
    request_span.set_tag(Ext::TAG_JOB_ERROR_COUNT, job.que_attrs[:error_count])
    request_span.set_tag(Ext::TAG_JOB_RUN_AT, job.que_attrs[:run_at])
    request_span.set_tag(Ext::TAG_JOB_EXPIRED_AT, job.que_attrs[:expired_at])
    request_span.set_tag(Ext::TAG_JOB_FINISHED_AT, job.que_attrs[:finished_at])
    request_span.set_tag(Ext::TAG_JOB_ARGS, job.que_attrs[:args]) if configuration[:tag_args]
    request_span.set_tag(Ext::TAG_JOB_DATA, job.que_attrs[:data]) if configuration[:tag_data]

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

    set_sample_rate(request_span)
    Contrib::Analytics.set_measured(request_span)

    yield
  end
end