Module: Datadog::Tracing::Contrib::Mysql2::Instrumentation::InstanceMethods

Defined in:
lib/datadog/tracing/contrib/mysql2/instrumentation.rb

Overview

Mysql2::Client patch instance methods

Instance Method Summary collapse

Instance Method Details

#query(sql, options = {}) ⇒ Object 



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# File 'lib/datadog/tracing/contrib/mysql2/instrumentation.rb', line 22

def query(sql, options = {})
  service = Datadog.configuration_for(self, :service_name) || datadog_configuration[:service_name]
  on_error = Datadog.configuration_for(self, :on_error) || datadog_configuration[:on_error]

  Tracing.trace(Ext::SPAN_QUERY, service: service, on_error: on_error) do |span, trace_op|
    span.resource = sql
    span.span_type = Tracing::Metadata::Ext::SQL::TYPE

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

    span.set_tag(Tracing::Metadata::Ext::TAG_PEER_HOSTNAME, query_options[:host])

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

    span.set_tag(Ext::TAG_DB_NAME, query_options[:database])
    span.set_tag(Tracing::Metadata::Ext::NET::TAG_TARGET_HOST, query_options[:host])
    span.set_tag(Tracing::Metadata::Ext::NET::TAG_TARGET_PORT, query_options[:port])

    Contrib::SpanAttributeSchema.set_peer_service!(span, Ext::PEER_SERVICE_SOURCES)

    propagation_mode = Contrib::Propagation::SqlComment::Mode.new(comment_propagation)

    Contrib::Propagation::SqlComment.annotate!(span, propagation_mode)
    sql = Contrib::Propagation::SqlComment.prepend_comment(
      sql,
      span,
      trace_op,
      propagation_mode
    )

    super(sql, options)
  end
end