opentelemetry_tornado_web_app_instrumentation_quickstart.py

1import tornado.web
2import tornado.ioloop
3from opentelemetry.instrumentation.tornado import TornadoInstrumentor
4
5class MainHandler(tornado.web.RequestHandler):
6    def get(self):
7        self.write("Hello, OpenTelemetry!")
8
9def make_app():
10    return tornado.web.Application([
11        (r"/", MainHandler),
12    ])
13
14if __name__ == "__main__":
15    # The instrument() method should be called before the application is created
16    TornadoInstrumentor().instrument()
17    
18    app = make_app()
19    app.listen(8888)
20    print("Listening on http://localhost:8888")
21    tornado.ioloop.IOLoop.current().start()