prometheus-async

import asyncio from prometheus_client import Gauge from prometheus_async.aio.web import start_http_server from prometheus_async.aio import time # Define a metric MY_GAUGE = Gauge('my_async_gauge', 'Description of my async gauge') @time(MY_GAUGE) async def some_async_function(): """An example async function that does some work.""" print("Running some_async_function...") MY_GAUGE.set(10) await asyncio.sleep(0.5) MY_GAUGE.set(20) print("some_async_function finished.") async def main(): # Start the Prometheus HTTP server in the background # It will expose metrics on http://localhost:8000/metrics by default server = await start_http_server(port=8000) print("Prometheus metrics server started on port 8000") # Run our async function await some_async_function() print("Application finished. Metrics server still running. Press Ctrl+C to exit.") # Keep the event loop running to allow the metrics server to serve requests await asyncio.Future() # This will run forever until cancelled if __name__ == "__main__": try: asyncio.run(main()) except KeyboardInterrupt: print("\nExiting.")