Method wait

misc/python/materialize/teleport.py:49–73

(child, teleport_state, address)

        ui.say(f"starting Teleport proxy for '{app_name}'...")

        def wait(child, teleport_state, address):
            wait_start = time.time()

            while time.time() - wait_start < 2:
                child_terminated = child.poll()
                if child_terminated:
                    other_tshs = [
                        p.pid
                        for p in psutil.process_iter(["pid", "name"])
                        if p.name() == "tsh"
                    ]
                    ui.warn(dedent(f"""
                    Teleport proxy failed to start, 'tsh' process already running!
                        existing 'tsh' processes: {other_tshs}
                        exit code: {child_terminated}
                    """))
                    break

            # Timed out! Check if the process is running.
            child_pid_status = psutil.pid_exists(child.pid)
            if child_pid_status:
                # Record the PID, if the process started successfully.
                teleport_state.set_pid(app_name, child.pid)
                teleport_state.set_address(app_name, address)
                teleport_state.write()

        # Spawn a thread that will wait for the Teleport proxy to start, and
        # record it's PID, or warn that it failed to start.