jaeger-client

import os from jaeger_client import Config # Configure Jaeger client config = Config( config={ 'sampler': { 'type': 'const', 'param': 1, }, 'logging': True, 'local_agent': { 'reporting_host': os.environ.get('JAEGER_AGENT_HOST', 'localhost'), 'reporting_port': int(os.environ.get('JAEGER_AGENT_PORT', 6831)), }, }, service_name='my-python-app', validate=True, ) # Initialize tracer (it's recommended to do this once per application lifetime) tracer = config.initialize_tracer() # Create a root span with tracer.start_active_span('my-root-operation') as scope: scope.span.log_kv({'event': 'root_span_started'}) print(f"Root Span Trace ID: {scope.span.trace_id:x}") # Create a child span automatically inheriting from the active span with tracer.start_active_span('my-child-operation'): print("Doing some work in a child span...") scope.span.log_kv({'event': 'child_work_done'}) print("Spans created and ready to be flushed.") # It is crucial to close the tracer to ensure all buffered spans are flushed. # In a long-running application, this should be done during graceful shutdown. tracer.close()