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Contents
require 'ddtrace/ext/integration'
require 'ddtrace/ext/net'
require 'ddtrace/contrib/analytics'
require 'ddtrace/contrib/dalli/ext'
require 'ddtrace/contrib/dalli/quantize'
module Datadog
module Contrib
module Dalli
# Instruments every interaction with the memcached server
module Instrumentation
def self.included(base)
base.send(:prepend, InstanceMethods)
end
# InstanceMethods - implementing instrumentation
module InstanceMethods
def request(op, *args)
tracer.trace(Datadog::Contrib::Dalli::Ext::SPAN_COMMAND) do |span|
span.resource = op.to_s.upcase
span.service = datadog_configuration[:service_name]
span.span_type = Datadog::Contrib::Dalli::Ext::SPAN_TYPE_COMMAND
# Tag as an external peer service
span.set_tag(Datadog::Ext::Integration::TAG_PEER_SERVICE, span.service)
# Set analytics sample rate
if Contrib::Analytics.enabled?(datadog_configuration[:analytics_enabled])
Contrib::Analytics.set_sample_rate(span, datadog_configuration[:analytics_sample_rate])
end
span.set_tag(Datadog::Ext::NET::TARGET_HOST, hostname)
span.set_tag(Datadog::Ext::NET::TARGET_PORT, port)
cmd = Datadog::Contrib::Dalli::Quantize.format_command(op, args)
span.set_tag(Datadog::Contrib::Dalli::Ext::TAG_COMMAND, cmd)
super
end
end
private
def tracer
datadog_configuration[:tracer]
end
def datadog_configuration
Datadog.configuration[:dalli, "#{hostname}:#{port}"] || Datadog.configuration[:dalli]
end
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems