Python OpenTracing instrumentation

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OpenTracing support is based on a deprecated specification. If you want to instrument your code with an open spec, use OpenTelemetry instead. Try the beta support for processing data from OpenTelemetry instrumentation in Datadog Tracing Libraries.

OpenTracing support is included in the ddtrace package. Use pip to install the required opentracing package:

pip install ddtrace[opentracing]

The OpenTracing convention for initializing a tracer is to define an initialization method that configures and instantiates a new tracer and overwrites the global opentracing.tracer reference:

import time
import opentracing
from ddtrace.opentracer import Tracer, set_global_tracer

def init_tracer(service_name):
    config = {
      "agent_hostname": "localhost",
      "agent_port": 8126,
    }
    tracer = Tracer(service_name, config=config)
    set_global_tracer(tracer)
    return tracer

def my_operation():
  span = opentracing.tracer.start_span("<OPERATION_NAME>")
  span.set_tag("<TAG_KEY>", "<TAG_VALUE>")
  time.sleep(0.05)
  span.finish()

init_tracer("<SERVICE_NAME>")
my_operation()

The tracer can now be used like in any other OpenTracing application. See opentracing.io for OpenTracing Python usage.