Module: Datadog::Tracing::Contrib::ActionCable::Instrumentation::ActionCableConnection

Defined in:
lib/datadog/tracing/contrib/action_cable/instrumentation.rb

Overview

When a new WebSocket is open, we receive a Rack request resource name “GET -1”. This module overrides the current Rack resource name to provide a meaningful name.

Instance Method Summary collapse

Instance Method Details

#on_open ⇒ Object 



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# File 'lib/datadog/tracing/contrib/action_cable/instrumentation.rb', line 13

def on_open
  Tracing.trace(Ext::SPAN_ON_OPEN) do |span, trace|
    begin
      span.resource = "#{self.class}#on_open"
      span.span_type = Tracing::Metadata::Ext::AppTypes::TYPE_WEB

      span.set_tag(Ext::TAG_ACTION, 'on_open')
      span.set_tag(Ext::TAG_CONNECTION, self.class.to_s)

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

      # Set the resource name of the trace
      trace.resource = span.resource
    rescue StandardError => e
      Datadog.logger.error("Error preparing span for ActionCable::Connection: #{e}")
    end

    super
  end
end