Module: Datadog::Contrib::Rails::Framework

Defined in:
lib/ddtrace/contrib/rails/framework.rb

Overview

Rails framework code, used to essentially:

  • handle configuration entries which are specific to Datadog tracing

  • instrument parts of the framework when needed

Class Method Summary collapse

Class Method Details

.set_database_service ⇒ Object 



47
48
49
50
51
52
53
54
55
56
 
# File 'lib/ddtrace/contrib/rails/framework.rb', line 47

def self.set_database_service
  return unless defined?(::ActiveRecord)

  config = Datadog.configuration[:rails]
  adapter_name = Utils.adapter_name
  config[:database_service] ||= "#{config[:service_name]}-#{adapter_name}"
  config[:tracer].set_service_info(config[:database_service], adapter_name, Ext::AppTypes::DB)
rescue => e
  Tracer.log.warn("Unable to get database config (#{e}), skipping ActiveRecord instrumentation")
end

.setup ⇒ Object

configure Datadog settings



23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
 
# File 'lib/ddtrace/contrib/rails/framework.rb', line 23

def self.setup
  config = Datadog.configuration[:rails]
  config[:service_name] ||= Utils.app_name
  tracer = config[:tracer]

  Datadog.configuration.use(
    :rack,
    tracer: tracer,
    service_name: config[:service_name],
    distributed_tracing: config[:distributed_tracing]
  )

  config[:controller_service] ||= config[:service_name]
  config[:cache_service] ||= "#{config[:service_name]}-cache"

  tracer.set_service_info(config[:controller_service], 'rails', Ext::AppTypes::WEB)
  tracer.set_service_info(config[:cache_service], 'rails', Ext::AppTypes::CACHE)
  set_database_service

  # By default, default service would be guessed from the script
  # being executed, but here we know better, get it from Rails config.
  tracer.default_service = config[:service_name]
end