opentelemetry_gcp_cloud_trace_propagator_quickstart.py

1from opentelemetry import propagate
2from opentelemetry.propagate import set_global_textmap
3from opentelemetry.propagators.cloud_trace_propagator import (
4    CloudTraceFormatPropagator,
5)
6
7# Set the global propagator to use the Google Cloud Trace format.
8# This allows the application to read and write the 'X-Cloud-Trace-Context' header,
9# ensuring trace context is preserved across Google Cloud services.
10set_global_textmap(CloudTraceFormatPropagator())
11
12# Example of manual injection (usually handled automatically by instrumented libraries)
13carrier = {}
14propagate.inject(carrier)
15
16print(f"Propagator injected headers: {carrier}")