opentelemetry-instrumentation-click

from opentelemetry import trace from opentelemetry.sdk.resources import Resource from opentelemetry.sdk.trace import TracerProvider from opentelemetry.sdk.trace.export import ConsoleSpanExporter, SimpleSpanProcessor from opentelemetry.instrumentation.click import ClickInstrumentor import click import os # 1. Configure OpenTelemetry TracerProvider and Exporter # In a real application, you would typically use an OTLPSpanExporter # pointing to an OpenTelemetry Collector or an observability backend. resource = Resource.create({"service.name": "my-click-cli"}) provider = TracerProvider(resource=resource) span_processor = SimpleSpanProcessor(ConsoleSpanExporter()) provider.add_span_processor(span_processor) trace.set_tracer_provider(provider) # 2. Instrument Click ClickInstrumentor().instrument() # 3. Define a Click application @click.group() def cli(): """A simple CLI application.""" pass @cli.command() @click.option('--name', default='World', help='Name to greet.') def hello(name): """Greets the user.""" # Manual span creation to show how to add more detail with trace.get_current_tracer().start_as_current_span("say-hello-command"): click.echo(f"Hello, {name}!") @cli.command() @click.argument('num', type=int) def square(num): """Calculates the square of a number.""" with trace.get_current_tracer().start_as_current_span("calculate-square-command"): result = num * num click.echo(f"The square of {num} is {result}") if __name__ == '__main__': # To run this example: # 1. Save the code as `app.py`. # 2. Execute from your terminal: # python app.py hello --name OpenTelemetry # python app.py square 7 cli()