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Contents
require 'ddtrace/ext/app_types'
require 'ddtrace/ext/http'
require 'ddtrace/contrib/active_model_serializers/events'
module Datadog
module Contrib
module ActiveModelSerializers
# Provides instrumentation for ActiveModelSerializers through ActiveSupport instrumentation signals
module Patcher
include Base
VERSION_REQUIRED = Gem::Version.new('0.9.0')
register_as :active_model_serializers
option :service_name, default: 'active_model_serializers'
option :tracer, default: Datadog.tracer do |value|
(value || Datadog.tracer).tap do |v|
# Make sure to update tracers of all subscriptions
Events.subscriptions.each do |subscription|
subscription.tracer = v
end
end
end
class << self
def patch
return patched? if patched? || !compatible?
# Subscribe to ActiveModelSerializers events
Events.subscribe!
# Set service info
configuration[:tracer].set_service_info(
configuration[:service_name],
'active_model_serializers',
Ext::AppTypes::WEB
)
@patched = true
end
def patched?
return @patched if defined?(@patched)
@patched = false
end
private
def configuration
Datadog.configuration[:active_model_serializers]
end
def compatible?
Gem.loaded_specs['active_model_serializers'] && Gem.loaded_specs['activesupport'] \
&& Gem.loaded_specs['active_model_serializers'].version >= VERSION_REQUIRED
end
end
end
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems