Class: Datadog::Trace::Listener

Inherits:
Object
  • Object
show all
Defined in:
lib/datadog/lambda/trace/listener.rb

Overview

TraceListener tracks tracing context information

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Listener

Returns a new instance of Listener.



21
22
23
24
25
26
27
28
29
 
# File 'lib/datadog/lambda/trace/listener.rb', line 21

def initialize
  XRay.recorder.configure(
    patch: %I[aws_sdk],
    context: Datadog::Trace::LambdaContext.new,
    streamer: Datadog::Trace::LambdaStreamer.new,
    emitter: Datadog::Trace::LambdaEmitter.new
  )
  Datadog::Trace.patch_http
end

Instance Method Details

#on_end ⇒ Object 



39
 
# File 'lib/datadog/lambda/trace/listener.rb', line 39

def on_end; end

#on_start(event:) ⇒ Object 



31
32
33
34
35
36
37
 
# File 'lib/datadog/lambda/trace/listener.rb', line 31

def on_start(event:)
  trace_context = Datadog::Trace.extract_trace_context(event)
  Datadog::Trace.trace_context = trace_context
  Datadog::Utils.logger.debug "extracted trace context #{trace_context}"
rescue StandardError => e
  Datadog::Utils.logger.error "couldn't read tracing context #{e}"
end