opentelemetry-exporter-gcp-trace

import os from opentelemetry import trace from opentelemetry.sdk.resources import Resource from opentelemetry.sdk.trace import TracerProvider from opentelemetry.sdk.trace.export import BatchSpanProcessor from opentelemetry.exporter.gcp_trace import GcpTraceExporter from opentelemetry_resourcedetector_gcp import GcpResourceDetector # Configure GCP authentication: # This exporter uses Application Default Credentials (ADC). # Ensure GOOGLE_APPLICATION_CREDENTIALS environment variable points to a service account key # or run on a GCP environment (VM, Cloud Run, GKE, etc.) with appropriate permissions. # For example, to use a local service account file: # export GOOGLE_APPLICATION_CREDENTIALS="/path/to/your/service-account-key.json" # 1. Detect GCP resources automatically (highly recommended) # This helps populate project ID, instance ID, etc., which are crucial for Cloud Trace. resource = GcpResourceDetector().detect().merge( Resource.create({"service.name": "my-gcp-python-app"}) ) # 2. Set up the TracerProvider with the detected resource provider = TracerProvider(resource=resource) trace.set_tracer_provider(provider) # 3. Instantiate the GCP Trace Exporter exporter = GcpTraceExporter() # 4. Set up a BatchSpanProcessor to send traces efficiently # Spans are batched and sent asynchronously. span_processor = BatchSpanProcessor(exporter) provider.add_span_processor(span_processor) # 5. Get a tracer and create spans tracer = trace.get_tracer(__name__) with tracer.start_as_current_span("parent-operation-gcp"): print("Performing some work that will be traced in GCP...") with tracer.start_as_current_span("child-operation-db"): print("Simulating a database call...") with tracer.start_as_current_span("child-operation-api"): print("Simulating an external API call...") # 6. Crucially, shut down the provider to ensure all batched spans are exported # In short-lived scripts, this step is vital. In long-running services, it's typically # handled gracefully on application shutdown. provider.shutdown() print("Traces sent to Google Cloud Trace. Check your GCP project's Trace Explorer.")