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 



80
81
82
 
# 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) 


74
75
76
77
78
 
# 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 



46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
 
# 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.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 



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
44
 
# 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[:error_handler]
  ) 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.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 



84
85
86
87
88
89
90
 
# 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 



92
93
94
95
96
97
 
# 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