Module: Datadog::Tracing::Contrib::Elasticsearch::Patcher::Client

Defined in:
lib/datadog/tracing/contrib/elasticsearch/patcher.rb

Overview

Patches Elasticsearch::Transport::Client module

Instance Method Summary collapse

Instance Method Details

#datadog_configuration ⇒ Object 



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# File 'lib/datadog/tracing/contrib/elasticsearch/patcher.rb', line 135

def datadog_configuration
  Datadog.configuration.tracing[:elasticsearch]
end

#perform_request(*args) ⇒ Object

rubocop:disable Metrics/MethodLength rubocop:disable Metrics/AbcSize



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# File 'lib/datadog/tracing/contrib/elasticsearch/patcher.rb', line 39

def perform_request(*args)
  # `Client#transport` is the most convenient object both for this integration and the library
  # as users have shared access to it across all `elasticsearch` versions.
  service ||= Datadog.configuration_for(transport, :service_name) || datadog_configuration[:service_name]
  on_error = Datadog.configuration_for(transport, :on_error) || datadog_configuration[:on_error]

  method = args[0]
  path = args[1]
  params = args[2]
  body = args[3]
  full_url = URI.parse(path)
  url = full_url.path
  response = nil

  Tracing.trace(
    Datadog::Tracing::Contrib::Elasticsearch::Ext::SPAN_QUERY,
    service: service,
    on_error: on_error
  ) do |span|
    begin
      connection = transport.connections.first
      host = connection.host[:host] if connection
      port = connection.host[:port] if connection

      if datadog_configuration[:peer_service]
        span.set_tag(
          Tracing::Metadata::Ext::TAG_PEER_SERVICE,
          datadog_configuration[:peer_service]
        )
      end

      # Tag original global service name if not used
      if span.service != Datadog.configuration.service
        span.set_tag(Tracing::Contrib::Ext::Metadata::TAG_BASE_SERVICE, Datadog.configuration.service)
      end

      span.type = Datadog::Tracing::Contrib::Elasticsearch::Ext::SPAN_TYPE_QUERY

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

      span.set_tag(Contrib::Ext::DB::TAG_SYSTEM, Ext::TAG_SYSTEM)

      span.set_tag(Tracing::Metadata::Ext::TAG_PEER_HOSTNAME, host) if host

      # Set analytics sample rate
      if Contrib::Analytics.enabled?(datadog_configuration[:analytics_enabled])
        Contrib::Analytics.set_sample_rate(span, datadog_configuration[:analytics_sample_rate])
      end

      span.set_tag(Datadog::Tracing::Contrib::Elasticsearch::Ext::TAG_METHOD, method)
      tag_params(params, span)
      tag_body(body, span)
      span.set_tag(Datadog::Tracing::Contrib::Elasticsearch::Ext::TAG_URL, url)
      span.set_tag(Tracing::Metadata::Ext::NET::TAG_TARGET_HOST, host) if host
      span.set_tag(Tracing::Metadata::Ext::NET::TAG_TARGET_PORT, port) if port

      quantized_url = Datadog::Tracing::Contrib::Elasticsearch::Quantize.format_url(url)
      span.resource = "#{method} #{quantized_url}"
      Contrib::SpanAttributeSchema.set_peer_service!(span, Ext::PEER_SERVICE_SOURCES)
    rescue StandardError => e
      # TODO: Refactor the code to streamline the execution without ensure
      Datadog.logger.error(e.message)
      Datadog::Core::Telemetry::Logger.report(e)
    ensure
      # the call is still executed
      response = super

      if response && response.respond_to?(:status)
        span.set_tag(Tracing::Metadata::Ext::HTTP::TAG_STATUS_CODE, response.status)
      end
    end
  end
  response
end

#tag_body(body, span) ⇒ Object 



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# File 'lib/datadog/tracing/contrib/elasticsearch/patcher.rb', line 123

def tag_body(body, span)
  return unless body

  body = JSON.generate(body) unless body.is_a?(String)
  quantize_options = datadog_configuration[:quantize]
  quantized_body = Datadog::Tracing::Contrib::Elasticsearch::Quantize.format_body(
    body,
    quantize_options
  )
  span.set_tag(Datadog::Tracing::Contrib::Elasticsearch::Ext::TAG_BODY, quantized_body)
end

#tag_params(params, span) ⇒ Object 



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# File 'lib/datadog/tracing/contrib/elasticsearch/patcher.rb', line 116

def tag_params(params, span)
  return unless params

  params = JSON.generate(params) unless params.is_a?(String)
  span.set_tag(Datadog::Tracing::Contrib::Elasticsearch::Ext::TAG_PARAMS, params)
end