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 



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# File 'lib/datadog/tracing/contrib/rest_client/request_patch.rb', line 34

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 



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# File 'lib/datadog/tracing/contrib/rest_client/request_patch.rb', line 55

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 



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# File 'lib/datadog/tracing/contrib/rest_client/request_patch.rb', line 22

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