Module: Datadog::Tracing::Contrib::RestClient::RequestPatch::InstanceMethods

Defined in:
lib/datadog/tracing/contrib/rest_client/request_patch.rb

Overview

InstanceMethods - implementing instrumentation

Instance Method Summary collapse

Instance Method Details

#datadog_tag_request(uri, span) ⇒ Object 



32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
 
# File 'lib/datadog/tracing/contrib/rest_client/request_patch.rb', line 32

def datadog_tag_request(uri, span)
  span.resource = method.to_s.upcase

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

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

  # Tag as an external peer service
  span.set_tag(Tracing::Metadata::Ext::TAG_PEER_SERVICE, span.service)
  span.set_tag(Tracing::Metadata::Ext::TAG_PEER_HOSTNAME, uri.host)

  # Set analytics sample rate
  Contrib::Analytics.set_sample_rate(span, analytics_sample_rate) if analytics_enabled?

  span.set_tag(Tracing::Metadata::Ext::HTTP::TAG_URL, uri.path)
  span.set_tag(Tracing::Metadata::Ext::HTTP::TAG_METHOD, method.to_s.upcase)
  span.set_tag(Tracing::Metadata::Ext::NET::TAG_TARGET_HOST, uri.host)
  span.set_tag(Tracing::Metadata::Ext::NET::TAG_TARGET_PORT, uri.port)
end

#datadog_trace_request(uri) ⇒ Object 



53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
 
# File 'lib/datadog/tracing/contrib/rest_client/request_patch.rb', line 53

def datadog_trace_request(uri)
  span = Tracing.trace(
    Ext::SPAN_REQUEST,
    service: datadog_configuration[:split_by_domain] ? uri.host : datadog_configuration[:service_name],
    span_type: Tracing::Metadata::Ext::HTTP::TYPE_OUTBOUND
  )

  trace = Tracing.active_trace

  datadog_tag_request(uri, span)

  yield(span, trace).tap do |response|
    # Verify return value is a response
    # If so, add additional tags.
    if response.is_a?(::RestClient::Response)
      span.set_tag(Tracing::Metadata::Ext::HTTP::TAG_STATUS_CODE, response.code)
    end
  end
rescue ::RestClient::ExceptionWithResponse => e
  span.set_error(e) if Tracing::Metadata::Ext::HTTP::ERROR_RANGE.cover?(e.http_code)
  span.set_tag(Tracing::Metadata::Ext::HTTP::TAG_STATUS_CODE, e.http_code)

  raise e
  # rubocop:disable Lint/RescueException
rescue Exception => e
  # rubocop:enable Lint/RescueException
  span.set_error(e) if span

  raise e
ensure
  span.finish if span
end

#execute(&block) ⇒ Object 



20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/datadog/tracing/contrib/rest_client/request_patch.rb', line 20

def execute(&block)
  uri = URI.parse(url)

  return super(&block) unless Tracing.enabled?

  datadog_trace_request(uri) do |_span, trace|
    Tracing::Propagation::HTTP.inject!(trace, processed_headers) if datadog_configuration[:distributed_tracing]

    super(&block)
  end
end