Module: Datadog::Tracing::Contrib::ActiveRecord::Events::SQL

Includes:
Datadog::Tracing::Contrib::ActiveRecord::Event
Defined in:
lib/datadog/tracing/contrib/active_record/events/sql.rb

Overview

Defines instrumentation for sql.active_record event

Constant Summary collapse

EVENT_NAME = 
'sql.active_record'
PAYLOAD_CACHE = 
'CACHE'

Class Method Summary collapse

Methods included from Datadog::Tracing::Contrib::ActiveRecord::Event

included

Class Method Details

.event_name ⇒ Object 



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# File 'lib/datadog/tracing/contrib/active_record/events/sql.rb', line 25

def event_name
  self::EVENT_NAME
end

.on_start(span, event, _id, payload) ⇒ Object 



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# File 'lib/datadog/tracing/contrib/active_record/events/sql.rb', line 33

def on_start(span, event, _id, payload)
  config = Utils.connection_config(payload[:connection], payload[:connection_id])
  settings = Datadog.configuration.tracing[:active_record, config]
  adapter_name = Contrib::Utils::Database.normalize_vendor(config[:adapter])
  service_name = if settings.service_name != Contrib::Utils::Database::VENDOR_DEFAULT
                   settings.service_name
                 else
                   adapter_name
                 end

  span.name = "#{adapter_name}.query"
  span.service = service_name
  span.resource = payload.fetch(:sql)
  span.type = Tracing::Metadata::Ext::SQL::TYPE

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

  if service_name != Datadog.configuration.service
    span.set_tag(Tracing::Contrib::Ext::Metadata::TAG_BASE_SERVICE, Datadog.configuration.service)
  end

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

  # Find out if the SQL query has been cached in this request. This meta is really
  # helpful to users because some spans may have 0ns of duration because the query
  # is simply cached from memory, so the notification is fired with start == finish.
  cached = payload[:cached] || (payload[:name] == PAYLOAD_CACHE)

  span.set_tag(Ext::TAG_DB_VENDOR, adapter_name)
  span.set_tag(Contrib::Ext::DB::TAG_INSTANCE, config[:database])
  span.set_tag(Ext::TAG_DB_NAME, config[:database])
  span.set_tag(Ext::TAG_DB_CACHED, cached) if cached
  span.set_tag(Tracing::Metadata::Ext::NET::TAG_TARGET_HOST, config[:host]) if config[:host]
  span.set_tag(Tracing::Metadata::Ext::NET::TAG_TARGET_PORT, config[:port]) if config[:port]
rescue StandardError => e
  Datadog.logger.error(e.message)
  Datadog::Core::Telemetry::Logger.report(e)
end

.span_name ⇒ Object 



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# File 'lib/datadog/tracing/contrib/active_record/events/sql.rb', line 29

def span_name
  Ext::SPAN_SQL
end