Module: Datadog::Tracing::Contrib::Dalli::Instrumentation::InstanceMethods

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

Overview

InstanceMethods - implementing instrumentation

Instance Method Summary collapse

Instance Method Details

#request(op, *args) ⇒ Object 



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
 
# File 'lib/datadog/tracing/contrib/dalli/instrumentation.rb', line 19

def request(op, *args)
  Tracing.trace(Ext::SPAN_COMMAND) do |span|
    span.resource = op.to_s.upcase
    span.service = datadog_configuration[:service_name]
    span.span_type = Ext::SPAN_TYPE_COMMAND

    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_COMMAND)

    # Tag as an external peer service
    span.set_tag(Tracing::Metadata::Ext::TAG_PEER_SERVICE, span.service)
    span.set_tag(Tracing::Metadata::Ext::TAG_PEER_HOSTNAME, hostname)

    # 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(Tracing::Metadata::Ext::NET::TAG_TARGET_HOST, hostname)
    span.set_tag(Tracing::Metadata::Ext::NET::TAG_TARGET_PORT, port)

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

    cmd = Quantize.format_command(op, args)
    span.set_tag(Ext::TAG_COMMAND, cmd)

    super
  end
end