opentelemetry_sdk_hello_world_tracing_with_console_export.py

1from opentelemetry import trace
2from opentelemetry.sdk.trace import TracerProvider
3from opentelemetry.sdk.trace.export import (
4    BatchSpanProcessor,
5    ConsoleSpanExporter,
6)
7
8# Sets the global default tracer provider
9provider = TracerProvider()
10
11# Creates a console exporter to print spans to stdout
12processor = BatchSpanProcessor(ConsoleSpanExporter())
13provider.add_span_processor(processor)
14
15# Sets the global default tracer provider
16trace.set_tracer_provider(provider)
17
18# Creates a tracer from the global tracer provider
19tracer = trace.get_tracer(__name__)
20
21def hello_world():
22    with tracer.start_as_current_span("hello-span"):
23        print("Hello world!")
24
25if __name__ == "__main__":
26    hello_world()