Class: OpenTelemetry::Exporters::Datadog::Exporter

Inherits:
Object
  • Object
show all
Defined in:
lib/opentelemetry/exporters/datadog/exporter.rb,
lib/opentelemetry/exporters/datadog/exporter/span_encoder.rb

Overview

SpanExporter allows different tracing services to export recorded data for sampled spans in their own format.

To export data an exporter MUST be registered to the TracerProvider using a DatadogSpanProcessorr.

Defined Under Namespace

Classes: SpanEncoder

Constant Summary collapse

DEFAULT_AGENT_URL = 
'http://localhost:8126'
DEFAULT_SERVICE_NAME = 
'my_service'

Instance Method Summary collapse

Constructor Details

#initialize(service_name: nil, agent_url: nil, env: nil, version: nil, tags: nil) ⇒ Exporter

Returns a new instance of Exporter.



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# File 'lib/opentelemetry/exporters/datadog/exporter.rb', line 37

def initialize(service_name: nil, agent_url: nil, env: nil, version: nil, tags: nil)
  @shutdown = false
  @agent_url = agent_url || ENV.fetch('DD_TRACE_AGENT_URL', DEFAULT_AGENT_URL)
  @service = service_name || ENV.fetch('DD_SERVICE', DEFAULT_SERVICE_NAME)

  @env = env || ENV.fetch('DD_ENV', nil)
  @version = version || ENV.fetch('DD_VERSION', nil)
  @tags = tags || ENV.fetch('DD_TAGS', nil)

  @agent_writer = get_writer(@agent_url)

  @span_encoder = SpanEncoder.new
end

Instance Method Details

#export(spans) ⇒ Integer

Called to export sampled Spans.

Parameters:

  • spans (Enumerable<Span>) —

    the list of sampled Spans to be exported.

Returns:

  • (Integer) —

    the result of the export.



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# File 'lib/opentelemetry/exporters/datadog/exporter.rb', line 56

def export(spans)
  return FAILURE if @shutdown

  if @agent_writer
    datadog_spans = @span_encoder.translate_to_datadog(spans, @service, @env, @version, @tags)
    @agent_writer.write(datadog_spans)
    SUCCESS
  else
    OpenTelemetry.logger.debug('Agent writer not set')
    FAILURE
  end
end

#shutdown ⇒ Object

Called when TracerProvider#shutdown is called, if this exporter is registered to a TracerProvider object.



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# File 'lib/opentelemetry/exporters/datadog/exporter.rb', line 71

def shutdown
  @shutdown = true
end